CN201320647Y - Fixture for thimble assembly discharge - Google Patents

Abstract

The utility model is suitable for the field of thimble processing jigs, and provides a jig for thimble assembly and discharge, including a base, an upper thimble plate, a lower thimble plate, and the upper thimble plate and the lower thimble plate, and can be used A guide post for adjusting the distance between the upper ejector plate and the lower ejector plate, the guide post is installed on the base. The utility model also includes a correction thimble, and the upper and lower thimble plates are respectively provided with correction thimble installation holes for installing the correction thimble. After adopting the above technical scheme, the thimble can be quickly and accurately placed in the thimble hole provided by the thimble assembly discharge jig of the utility model, and then the thimble assembly discharge jig is placed on the spark machine to discharge the thimble Processing without the need to fit the thimble on the heavier mold base and assemble the mold base together for electrical discharge machining, which shortens the processing time and improves the processing efficiency.

Description

A fixture for thimble assembly and discharge

technical field

The utility model belongs to the field of thimble processing jigs, in particular to a jig for thimble assembly and discharge which can be used in various specifications.

Background technique

Today's industrial production is developing in the direction of high precision and high efficiency, and the requirements for product quality are getting higher and higher, so the requirements for processing accuracy and processing efficiency of equipment are also increasing accordingly. At present, the EDM process of the thimble on the spark machine is to first fit the thimble on the mold base, and then assemble the mold base together for EDM. Although fitting the thimble behind the mold base can meet the technological requirements of electric discharge machining, but because the mold base is too heavy, generally weighing several hundred kilograms, it is not only not conducive to on-site processing, but also prolongs the processing time and affects the processing efficiency.

Utility model content

The purpose of this utility model is to provide a fixture for thimble assembly and discharge, which aims to solve the problem of prolonging the processing time caused by the need to fit the thimble on the mold base and assembling the mold base together with the discharge machining in the original thimble processing process. Problems that affect processing efficiency.

The utility model is achieved in this way, a jig for thimble assembly and discharge, including a base, an upper thimble plate, a lower thimble plate, and an upper thimble plate and a lower thimble plate, and the upper thimble plate and the lower thimble plate can be adjusted Guide pillars for the distance between the lower ejector plates, the guide pillars are installed on the base.

After adopting the above technical scheme, the thimble can be quickly and accurately placed in the thimble hole provided by the light-weight thimble assembly discharge jig, and then the thimble assembly discharge jig of the utility model is placed on the spark machine , EDM the thimble, without the need to fit the thimble on the heavier mold base and assemble the mold base together for EDM, thereby shortening the processing time and improving the processing efficiency.

Description of drawings

Fig. 1 is a three-dimensional schematic diagram of a jig for thimble assembly and discharge provided by an embodiment of the present invention.

Fig. 2 is a top view of a fixture for thimble assembly and discharge provided by the embodiment of the present invention.

Fig. 3 is a front view of a fixture for thimble assembly and discharge provided by the embodiment of the present invention.

Fig. 4 is a bottom view of a jig for thimble assembly and discharge provided by the embodiment of the present invention.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Please refer to Fig. 1, a fixture for thimble assembly and discharge of the present utility model includes an upper thimble plate 10, a lower thimble plate 20, a guide post 40 and a base 30, wherein the guide post 40 is installed on the base 30, and the The upper ejector plate 10 and the lower ejector plate 20 are movably installed on the guide post 40 , can move up and down on the guide post 40 and can be fixed on any desired position on the guide post 40 .

Please refer to Fig. 1 and Fig. 2, in this embodiment, four upper ejector plate guide post holes (not shown in the figure), several upper ejector plate tops for placing ejector pins 5 are provided on the upper ejector plate 10. Pinhole 12, the diameter of the thimble hole 12 of the upper thimble plate is divided into several types, and thimbles of different models and diameters can be placed respectively, thereby avoiding the need for different thimble assembly discharge jigs for processing different thimbles, saving Cost of production. The upper ejector plate 10 moves up and down on the guide post 40 through the upper ejector plate guide post hole.

Referring to Fig. 1, the lower thimble plate 20 is composed of a lower thimble panel 21 and a lower thimble pressing plate 22, and the lower thimble panel 21 and the lower thimble pressing plate 22 are connected with screws (not shown). Like the upper ejector plate 10, the lower ejector panel 21 is also provided with the position and diameter of the upper ejector plate guide post hole and the upper ejector plate ejector hole 12 corresponding to the position and diameter of the lower ejector panel guide post hole (not shown in the figure). ) and the thimble hole 24 of the lower thimble plate, therefore, the thimble can be vertically put into the upper thimble plate and the lower thimble panel; the lower thimble plate 22 is a flat plate, which is placed under the lower thimble panel 21 and connected Panel 21 is connected with several screws, and thimble 5 is placed on the lower thimble plate 22 after being inserted into lower thimble plate thimble hole 24 through upper thimble plate thimble hole 12, so thimble 5 can not come off from lower thimble panel 21. The lower thimble pressing plate 22 is also provided with guide post holes of the lower thimble pressing plate corresponding to the guide post holes of the lower thimble panel (not shown in the figure). The lower ejector plate 20 can move up and down on the guide post 40 through the guide post hole of the lower ejector panel and the guide post hole of the lower ejector plate. Of course, the lower thimble plate 20 can also only use the lower thimble panel 21, and the thimble hole 24 of the lower thimble plate on the lower thimble panel 21 is designed as a blind hole structure.

Referring to Fig. 1 and Fig. 4, described base 30 is made up of base plate 31 and briquetting block 32, and the both sides of described base plate 31 are respectively provided with the briquetting groove (not shown) of setting briquetting block 32, and this base plate 31 Also be provided with four bottom plate guide post holes (not shown in the figure) whose positions and diameters correspond to the upper and lower ejector plate guide post holes one by one; there are two pressing blocks 32, which are respectively placed on both sides of the bottom plate and provided with and connected with the base plate 31 with screws 33. The guide posts 40 are disposed in the base guide post holes provided on the base plate 31 . The purpose of providing two pressure blocks 32 under the bottom plate 31 is to prevent the guide post 40 from falling off from the bottom plate guide post hole of the bottom plate 31 .

Please refer to Fig. 1 and Fig. 3, described guide post 40 is cylindrical in shape, in the axial direction of described guide post 40, is provided with several guide post square slots 41 arranged in parallel at intervals, and described guide post square slot 41 is mainly used for The positioning of the upper ejector plate 10 and the lower ejector plate 20 on the guide post 40. Corresponding to the square groove 41 of the guide post, there are corresponding positioning parts on both sides of the upper ejector plate 10 and the lower ejector plate 20 respectively. The positioning parts in this embodiment are preferably screws, and the upper ejector plate screws 11 and the lower ejector plate Screws 23, the upper and lower thimble plate screws 11 and the lower thimble plate screws 23 can be respectively placed in the guide post square groove 41 through the screw holes (not shown) provided on both sides of the upper and lower thimble plates 10 and 20 middle. When the front ends of the upper and lower ejector plate screws 11,23 provided on the upper and lower ejector plates 10,20 are placed in the guide post square groove 41 provided on the guide post 40, the upper and lower ejector plates 10,20 can be positioned on the guide post 40.

Referring to Fig. 1, the upper thimble plate 10 and the lower thimble panel 21 are respectively provided with two correction thimble holes (not shown) for installing the correction thimble 6, and the diameter of the correction thimble hole is the same as The correction thimbles 6 are corresponding, and the positions of the correction thimble holes provided on the upper thimble plate 10 and the lower thimble panel 21 are corresponding. The correction thimble 6 is placed in the correction thimble hole, and the bottom end is placed on the lower thimble bottom plate 22 . Calibrating the thimble 6 enables the EDM machine to automatically determine the reference in the height direction of the thimble 5 when processing the thimble 5, which is fast and accurate, thereby eliminating the need to manually measure the reference in the height direction of the thimble, realizing the automation of the thimble EDM, and improving the processing efficiency and processing accuracy.

Please refer to Fig. 1, the working process of the utility model is as follows: firstly, align the references of the upper thimble plate 10 and the lower thimble panel 21, and successively load the thimble 5 to be processed and the correction thimble 6 into the upper thimble plate 10 and the lower thimble panel 21; then, fix the lower thimble panel 21 and the lower thimble plate pressing plate 22 with screws (not shown in the figure), and place the bottom end of the thimble 5 on the lower thimble plate pressing plate 22; Bottom plate 31, upper thimble plate 10 and lower thimble plate 20 are provided with guide post installation holes; Next, press block 32 is fixed on the bottom plate 31 with screw 33; Finally, come according to the actual length of thimble 5 Adjust upper thimble plate 10 , the height position of the lower ejector plate 20.

If the highest point of the thimble 5 is lower than the highest surface of the guide post 40, move the lower ejector plate 20 upwards until the highest point of the thimble 5 is higher than the highest surface of the guide post 40, and then rotate the screw 23 so that its front end is placed on the guide post 40. In the square slot 41, fix the lower ejector plate 20 horizontally on the guide post 6; then move the upper ejector plate 10 upward until it is lower than the proper position of the ejector pin 5, and then rotate the screw 11 to horizontally fix the upper ejector plate on the guide post 40 or more.

If the highest point of the thimble 5 is higher than the highest surface of the guide post 8, move the lower thimble plate 20 above the base 30, make the lower surface of the lower thimble pressing plate 22 contact the upper surface of the bottom plate 31, and rotate the screw 23 to make the lower thimble The ejector plate 20 is horizontally fixed on the guide post 40; then move the upper ejector plate 10 upward until it reaches a proper position lower than the ejector pin 5, and then rotate the screw 11 to horizontally fix the upper ejector plate on the guide post 40.

In the above embodiment, in order to prevent the spark machine from producing adverse effects on the thimble 5 , the height of the thimble 5 needs to be higher than the height of the guide post 40 .

When the EDM is performing discharge machining on the thimble 5, it senses the end face of the corrected thimble 6, and the EDM automatically corrects the height direction of the thimble 5 based on the end face of the corrected thimble 6, so that the EDM machine can process the thimble 5. The benchmark of the height direction of the thimble 5 is automatically determined, fast and accurate, so that manual measurement of the benchmark of the height direction of the thimble is unnecessary, the automation of the ejector EDM is realized, and the processing efficiency and precision are improved.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (8)

1, a kind of thimble group stands up the electricity tool, it is characterized in that: comprise base, go up ejector retainner plate, down ejector retainner plate and, be arranged between ejector retainner plate and the following ejector retainner plate, and can adjust the guide pillar of distance between ejector retainner plate and the following ejector retainner plate, described guide pillar is installed on the base.

2, thimble group as claimed in claim 1 stands up the electricity tool, it is characterized in that: described go up offers respectively on ejector retainner plate and the following ejector retainner plate and corresponding ejector retainner plate guide pillar hole and the following ejector retainner plate guide pillar hole of going up of described guide pillar diameter, and ejector retainner plate and following ejector retainner plate are placed on the described guide pillar by last ejector retainner plate guide pillar hole and the slip of following ejector retainner plate guide pillar hole and do on guide pillar by last ejector retainner plate guide pillar hole and following ejector retainner plate guide pillar hole and move up and down this on.

3, thimble group as claimed in claim 1 or 2 stands up the electricity tool, it is characterized in that: axially at described guide pillar, be interval with some guide pillar locating slots that are arranged in parallel, correspondence is provided with and can cooperates, be used for last ejector retainner plate and following ejector retainner plate the fixing keeper of activity on guide pillar with described guide pillar locating slot on described upward ejector retainner plate and the following ejector retainner plate.

4, thimble group as claimed in claim 3 stands up electricity and uses tool, it is characterized in that: described keeper is arranged at described ejector retainner plate and the following ejector retainner plate both sides of going up, and described guide pillar locating slot snaps in fixing guide pillar square groove for holding described keeper.

5, thimble group as claimed in claim 4 stands up electricity and uses tool, and it is characterized in that: described keeper is a screw.

6, thimble group as claimed in claim 1 stands up electricity and uses tool, it is characterized in that: described going up on ejector retainner plate and the following ejector retainner plate offers some centre holes of putting the different model thimble respectively.

7, thimble group as claimed in claim 1 stands up electricity and use tool, it is characterized in that: also comprise the correction thimble, on ejector retainner plate and the following ejector retainner plate, also correspondence is provided with the correction thimble installing hole that is used for installation correction thimble respectively on described.

8, thimble group as claimed in claim 1 stands up electricity and uses tool, it is characterized in that: described base is fixedly formed by base plate and briquetting combination, and described ejector retainner plate down is by thimble panel and the combination of following thimble pressing plate fixedly form down.

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