可以进网页版的棋牌⎛⎝cORai⎠⎞ Accurate operation mechanism of linear displacement sensor of mould locking cylinder - industry trends - Shenzhen easie Electric Co., Ltd

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Precise operation mechanism of linear displacement sensor for mold locking cylinder

Release date: June 24, 2019 Hits: 155

In the existing small and medium-sized injection molding machines, the straight line of the mold locking cylinder Displacement sensor There are no more than two approaches adopted by the organization.

One is to first lock the straight line Displacement sensor 20 (see Fig. 3) is fixed on the mold locking oil cylinder, and then the end of the mold locking linear displacement sensor is fixed on the thrust seat, so as to realize the counting of mold locking stroke by using the stretching and drawing counting characteristics of the pull rod type electronic ruler; Although this makes the mechanical structure simpler, there are some problems: firstly, because the linear displacement sensor and the thrust block are simply fixed mechanically, coupled with the upper and lower deviation of the linear displacement sensor installation, it is difficult to ensure the running level of the electronic ruler pull rod 40 and the piston rod of the mold locking cylinder, which easily leads to the jumping of the stroke number when the computer counts; In addition, due to the installation deviation of the operating mechanism itself, after the operating mechanism is used for many times, it will not only increase the error, but also lead to the failure of the electronic ruler if there is a large angle deviation between the rod of the electronic ruler and the piston rod of the mold locking cylinder after long-term operation.

The other is to fix the linear displacement sensor on one side of the tail plate, and then fix the end 42 (see Fig. 3) of the pull rod type electronic ruler on the moving second plate, and then pull the electronic ruler to count the electronic ruler through the movement of the second plate. This method not only has some common shortcomings with the previous method, but also has another disadvantage, that is, the counting form is transformed by the curve relationship between the second plate and the tail plate, and there is deviation in itself. The calculation formula can not accurately simulate the actual movement travel. Moreover, the current industrial PLC computer technology only relies on manual work It is more inaccurate to adjust to record several points to simulate, so this method is more unreliable than method one, and has been rarely used when conditions permit.

With the increasingly mature technology of injection molding machine industry, the accuracy requirements of products to be manufactured are also higher and higher. The existing electronic ruler operation mechanism of mold locking oil cylinder has been difficult to meet the accuracy requirements of product manufacturing.

Contents of utility model

The utility model provides a better way to improve the actual stroke and the electronics in the operation process of the mold locking mechanism in order to solve the problems existing in the running mechanism of the linear displacement sensor of the mold locking cylinder in the existing injection molding machine, such as the large error between the digital stroke of the computer and the actual stroke, the jumping when the computer digital travel is running, and the actual installation difficulty of the electronic ruler end The accurate matching degree of the stroke can better ensure the accuracy of the electronic ruler counting when the mold locking mechanism is running, and achieve the accurate operation mechanism of the electronic ruler of the mold locking cylinder to improve the overall operation accuracy of the machine itself.

The specific technical scheme adopted by the utility model to solve the above technical problems is: a precise operation mechanism of the electronic ruler of the mold locking oil cylinder, including an electronic ruler, which is characterized in that the electronic ruler is arranged on the electronic ruler support plate, the electronic ruler and the electronic ruler support plate are arranged in the mold locking oil cylinder, the electronic ruler rod is arranged at the tail end of the electronic ruler, and a conversion universal joint connecting rod is arranged between the electronic ruler and the electronic ruler pull rod, The tail plate thrust seat is arranged at the tail end of the electronic ruler pull rod, which is arranged on the tail plate of the mold locking mechanism, and a mold locking oil cylinder piston rod is arranged between the tail plate thrust seat and the mold locking mechanism tail plate. The position of the tail plate and the thrust seat of the mold locking mechanism is connected with the electronic ruler through the universal joint connecting rod, so as to better ensure the accuracy of manufacturing and installation, and finally ensure the accurate matching between the actual stroke and the electronic stroke during the operation of the mold locking mechanism; In order to achieve a greater extent to improve the precise matching degree between the actual stroke and the electronic stroke in the operation of the mold locking mechanism, better ensure the accuracy of the electronic ruler count during the operation of the mold locking mechanism, and improve the overall operation accuracy of the machine itself.

As an optimization, a composite bearing is arranged at the connection position between the front end of the electronic ruler pull rod and the tail plate of the mold locking mechanism. To a greater extent, the assembly accuracy and motion accuracy requirements between the pull rod and the template are ensured. The outer surface of the electronic ruler pull rod is provided with zinc coating. Improve the use precision and service life.

The utility model has the following beneficial effects: to a greater extent, it can improve the precise matching degree between the actual stroke and the electronic stroke during the operation of the mold locking mechanism, better ensure the counting accuracy of the electronic ruler during the operation of the mold locking mechanism, so as to improve the overall operation accuracy of the machine itself.

Description of drawings:

In the following, the utility model is further described in detail in combination with the drawings and the specific implementation mode.

Fig. 1 is the structural schematic diagram of the optimized implementation mode of the precise operation mechanism of the electronic ruler of the mold locking oil cylinder of the utility model.

 Precise operation mechanism of linear displacement sensor for mold locking cylinder

Figure 2 is a schematic diagram of the explosion structure of the precise operation mechanism of the electronic ruler of the mold locking oil cylinder of the utility model.

 Precise operation mechanism of linear displacement sensor for mold locking cylinder

Fig. 3 is a structural diagram of the electronic ruler mechanism of the mold locking oil cylinder in the prior art.

 Precise operation mechanism of linear displacement sensor for mold locking cylinder

 

Specific implementation mode

In the embodiment shown in Fig. 1 and Fig. 2, an accurate operation mechanism of the electronic ruler of the mold locking oil cylinder includes an electronic ruler 20, which is arranged on the electronic ruler support plate 11, the electronic ruler 20 and the electronic ruler support plate 11 are installed in the mold locking oil cylinder 10, the electronic ruler 20 is installed with an electronic ruler pull rod 40, the conversion universal joint connecting rod 30 is installed between the electronic ruler 20 and the electronic ruler pull rod 40, and the tail end of the electronic ruler rod 40 is installed The tail plate thrust seat 70 is installed on the tail plate 50 of the mold locking mechanism, and a mold locking cylinder piston rod 60 is installed between the tail plate thrust seat 70 and the mold locking mechanism tail plate 50. A composite bearing 41 is installed at the connection position between the front end of the electronic ruler pull rod 40 and the tail plate 50 of the mold locking mechanism. The outer surface of the electronic ruler pull rod 40 is provided with a zinc coating.

Although the terms of electronic ruler, electronic ruler rod, electronic ruler support plate, conversion universal joint link, tail plate of mold locking mechanism and composite bearing are used more frequently in this paper, the possibility of using other terms is not ruled out. These terms are only used to describe and explain the essence of the invention more conveniently; it is against the spirit of the invention to interpret them as any additional limitation.


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