Ejecting device of automatic pneumatic punching machine

Abstract

The utility model discloses an automatic pneumatic punching machine ejecting device which comprises a mounting box, a connecting sleeve is fixedly connected to the inner bottom wall of the mounting box, a telescopic rod is slidably connected to the inner side of the top end of the connecting sleeve, the top end of the telescopic rod penetrates through the top of the mounting box, and a top plate is connected to the top end of the telescopic rod. The bottom of the mounting box is fixedly connected with a connecting plate, and the inner side of the connecting plate is slidably connected with a bottom plate. The connecting block is in threaded connection with the connecting groove, so that the connecting stability of the top plate and the telescopic rod is guaranteed, a worker can conveniently mount and dismount the top plate, the sliding block is slidably connected to the inner side of the limiting frame, and then the fixing bolt is rotated, so that the bottom end of the fixing bolt abuts against the outer wall of the limiting frame; and therefore, the stability of the mounting box at the mounting position is guaranteed, a worker can conveniently mount and dismount the mounting box, and the working efficiency of the worker is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ejection devices, in particular to an automatic pneumatic punch ejection device. Background Art

[0002] A punch press is a stamping press. Stamping production is mainly for plates. Through the mold, it can make blanking, punching, forming, drawing, trimming, etc. It is widely used in various fields. When the punch press is used, a ejector device is used, but the existing ejector device still has certain defects when used.

[0003] The defects of the ejector device in the prior art are:

[0004] At present, patent document CN216330330U discloses an automatic pneumatic punch ejector. The automatic pneumatic punch ejector comprises a base, a pillar, a top beam, a cylinder, an upper die, a lower die, a guide groove, an ejector and a material taking device. The upper surface of the base is fixedly installed with pillars on both sides, the top of the pillar is fixedly installed with a top beam, and the middle of the lower surface of the top beam is fixedly installed with a cylinder. The automatic pneumatic punch ejector, through the ejector, after the punching is completed, the upper die moves upward under the action of the cylinder, the drive motor is started to rotate the cam, drive the swing rod to rotate, the swing rod drives the push rod to move up and down under the action of the limit slide block, the push rod drives the demoulding pin on the ejector plate to move upward, and the material is ejected by demoulding. By movably connecting the reducer at the output end of the drive motor, after the punching is completed, the cam just pushes the demoulding pin to eject the material, thereby achieving the effect of automatic ejection.

[0005] When the ejection device in the above document is in use, the ejection pin on the ejector plate is driven upward by the push rod to eject the material from the mold, and a reducer is movably connected to the output end of the driving motor so that after the stamping is completed, the cam just pushes the ejection pin to eject the material, thereby achieving the effect of automatic ejection. However, when in use, it is difficult for the staff to install and disassemble the ejection device, and the subsequent maintenance of the ejection device by the staff is cumbersome, which reduces the work efficiency of the staff. Utility Model Content

[0006] The utility model aims to provide an automatic pneumatic punching machine ejecting device to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solution: an automatic pneumatic punching machine ejecting device, comprising an installation box, an inner bottom wall of the installation box is fixedly connected to a connecting sleeve, a telescopic rod is slidably connected to the inner side of the top end of the connecting sleeve, and the top end of the telescopic rod passes through the top of the installation box, the top end of the telescopic rod is connected to a top plate, the bottom of the installation box is fixedly connected to a connecting plate, and the inner side of the connecting plate is slidably connected to a bottom plate.

[0008] Preferably, a guide rail is fixedly connected to the inner side wall of the installation box, and a connecting groove is provided on the top of the installation box.

[0009] Preferably, a first return spring is fixedly connected to the inner bottom wall of the connecting sleeve, and the top end of the first return spring is connected to the bottom end of the telescopic rod.

[0010] Preferably, the outer wall of the telescopic rod is fixedly connected with a support plate, and both ends of the support plate are slidably connected to the inner side of the guide rail.

[0011] Preferably, a second return spring is fixedly connected to the inner bottom wall of the installation box, and the top end of the second return spring is connected to the bottom of the support plate.

[0012] Preferably, a connecting groove is provided on the top of the telescopic rod, a connecting block is fixedly connected to the bottom of the top plate, and the connecting block is threadedly connected to the connecting groove.

[0013] Preferably, the top of the base plate is fixedly connected to a limiting frame, the bottom of the connecting plate is fixedly connected to a slider, and the slider is slidably connected to the inner side of the limiting frame, a fixing bolt is threadedly installed on the outer wall of the connecting plate, and the bottom end of the fixing bolt rests on the outer wall of the limiting frame.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model ensures the stability of the connection between the top plate and the telescopic rod by threading the connecting block and the connecting groove, and is convenient for the staff to install and disassemble the top plate. The slider is slidably connected to the inner side of the limit frame, and then the fixing bolt is rotated so that the bottom end of the fixing bolt is against the outer wall of the limit frame, thereby ensuring the stability of the installation box in the installation position, and is convenient for the staff to install and disassemble the installation box, thereby improving the work efficiency of the staff.

[0016] 2. The utility model can drive the telescopic rod to slide on the inner side of the connecting sleeve through the elastic force of the first return spring, so that the telescopic rod drives the top plate to push out the material, and then connects with the bottom of the support plate through the top end of the second return spring. The elastic force of the second return spring drives the telescopic rod to reset through the support plate, thereby increasing the force of the top plate to push out. The two ends of the support plate are slidably connected to the inner side of the guide rail to ensure the stability of the telescopic rod when sliding. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the main structure of the material ejecting device of the utility model;

[0019] Figure 3 This is a schematic diagram of the push plate structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the bottom plate structure of the utility model;

[0021] Figure 5 It is a schematic cross-sectional structure diagram of the main body of the ejecting device of the utility model.

[0022] In the figure: 1. installation box; 2. fitting groove; 3. connecting sleeve; 4. telescopic rod; 5. reset spring; 6. guide rail; 7. support plate; 8. second reset spring; 9. connecting groove; 10. top plate; 11. connecting block; 12. connecting plate; 13. sliding block; 14. fixing bolt; 15. bottom plate; 16. limit frame. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figures 1 to 5 , an automatic pneumatic punch ejector device;

[0025] It includes an installation box 1, the inner bottom wall of the installation box 1 is fixedly connected with a connecting sleeve 3, the inner side of the top end of the connecting sleeve 3 is slidably connected with a telescopic rod 4, and the top end of the telescopic rod 4 passes through the top of the installation box 1, the top end of the telescopic rod 4 is connected with a top plate 10, the bottom of the installation box 1 is fixedly connected with a connecting plate 12, and the inner side of the connecting plate 12 is slidably connected with a bottom plate 15.

[0026] When the punch ejecting device is in use, the bottom plate 15 is fixed at the installation position, and the connecting plate 12 is slidably connected to the bottom plate 15 to ensure the stability of the installation box 1 during use. The telescopic rod 4 slides on the top of the connecting sleeve 3, and the connecting sleeve 3 drives the top plate 10 to move, so that the top plate 10 can eject the material after punching.

[0027] Reference Figure 1 , Figure 2 and Figure 5The inner side wall of the installation box 1 is fixedly connected with a guide rail 6, a connecting groove 9 is opened on the top of the installation box 1, the inner bottom wall of the connecting sleeve 3 is fixedly connected with a first return spring 5, and the top end of the first return spring 5 is connected to the bottom end of the telescopic rod 4, the outer wall of the telescopic rod 4 is fixedly connected with a support plate 7, and the two ends of the support plate 7 are slidably connected to the inner side of the guide rail 6, the inner bottom wall of the installation box 1 is fixedly connected with a second return spring 8, and the top end of the second return spring 8 is connected to the bottom of the support plate 7.

[0028] When the punch press punches the material, the telescopic rod 4 can slide to the inner side of the connecting sleeve 3 through the force of the top plate 10, and slide to the inner side of the connecting groove 9 through the top plate 10, so as to ensure the stability of the top plate 10. After punching, the elastic force of the first return spring 5 can drive the telescopic rod 4 to slide on the inner side of the connecting sleeve 3, so that the telescopic rod 4 drives the top plate 10 to push out the material, and then connects with the bottom of the support plate 7 through the top end of the second return spring 8, and drives the telescopic rod 4 to reset through the support plate 7 through the elastic force of the second return spring 8, so as to increase the ejection force of the top plate 10, and slides on the inner side of the guide rail 6 through the two ends of the support plate 7, so as to ensure the stability of the telescopic rod 4 when sliding.

[0029] Reference Figure 1 , Figure 3 and Figure 4 A connecting groove 9 is provided at the top of the telescopic rod 4, a connecting block 11 is fixedly connected to the bottom of the top plate 10, and the connecting block 11 is threadedly connected to the connecting groove 9, a limiting frame 16 is fixedly connected to the top of the bottom plate 15, a slider 13 is fixedly connected to the bottom of the connecting plate 12, and the slider 13 is slidably connected to the inner side of the limiting frame 16, a fixing bolt 14 is installed through a thread on the outer wall of the connecting plate 12, and the bottom end of the fixing bolt 14 is against the outer wall of the limiting frame 16.

[0030] The connecting block 11 is threadedly connected to the connecting groove 9 to ensure the stability of the connection between the top plate 10 and the telescopic rod 4, and it is convenient for the staff to install and disassemble the top plate 10. The slider 13 is slidably connected to the inner side of the limit frame 16, and then the fixing bolt 14 is rotated so that the bottom end of the fixing bolt 14 is against the outer wall of the limit frame 16, thereby ensuring the stability of the installation box 1 in the installation position and it is convenient for the staff to install and disassemble the installation box 1.

[0031] Working principle: when the punch press ejecting device is used, the bottom plate 15 is fixed in the installation position. When the punch press punches the material, the telescopic rod 4 is driven by the top plate 10 to slide to the inner side of the connecting sleeve 3, and then slides to the inner side of the connecting groove 9 through the top plate 10, so as to ensure the stability of the top plate 10. After punching, the elastic force of the first return spring 5 can drive the telescopic rod 4 to slide on the inner side of the connecting sleeve 3, so that the telescopic rod 4 drives the top plate 10 to eject the material, and then the top end of the second return spring 8 is connected to the bottom of the support plate 7, and the elastic force of the second return spring 8 is passed. The telescopic rod 4 is reset by the support plate 7, thereby increasing the force of the top plate 10 to be ejected. The two ends of the support plate 7 are slidably connected to the inner side of the guide rail 6 to ensure the stability of the telescopic rod 4 when sliding. The connecting block 11 is threadedly connected to the connecting groove 9 to ensure the stability of the connection between the top plate 10 and the telescopic rod 4, and it is convenient for the staff to install and disassemble the top plate 10. The slider 13 is slidably connected to the inner side of the limit frame 16, and then the fixing bolt 14 is rotated so that the bottom end of the fixing bolt 14 is against the outer wall of the limit frame 16, thereby ensuring the stability of the installation box 1 in the installation position.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An automatic pneumatic punching machine ejecting device, comprising a mounting box (1), characterized in that: The inner bottom wall of the installation box (1) is fixedly connected to a connecting sleeve (3), the inner side of the top end of the connecting sleeve (3) is slidably connected to a telescopic rod (4), and the top end of the telescopic rod (4) passes through the top of the installation box (1), the top end of the telescopic rod (4) is connected to a top plate (10), the bottom of the installation box (1) is fixedly connected to a connecting plate (12), and the inner side of the connecting plate (12) is slidably connected to a bottom plate (15).

2. The automatic pneumatic punching device according to claim 1, characterized in that: The inner side wall of the installation box (1) is fixedly connected with a guide rail (6), and the top of the installation box (1) is provided with a connection groove (9).

3. The automatic pneumatic punching device according to claim 1, characterized in that: A first return spring (5) is fixedly connected to the inner bottom wall of the connecting sleeve (3), and the top end of the first return spring (5) is connected to the bottom end of the telescopic rod (4).

4. The automatic pneumatic punching device according to claim 1, characterized in that: The outer wall of the telescopic rod (4) is fixedly connected to a support plate (7), and both ends of the support plate (7) are slidably connected to the inner side of the guide rail (6).

5. The automatic pneumatic punching device according to claim 1, characterized in that: A second return spring (8) is fixedly connected to the inner bottom wall of the installation box (1), and the top end of the second return spring (8) is connected to the bottom of the support plate (7).

6. The automatic pneumatic punching device according to claim 1, characterized in that: A connecting groove (9) is provided on the top of the telescopic rod (4), a connecting block (11) is fixedly connected to the bottom of the top plate (10), and the connecting block (11) is threadedly connected to the connecting groove (9).

7. The automatic pneumatic punching device according to claim 1, characterized in that: The top of the bottom plate (15) is fixedly connected to a limiting frame (16), the bottom of the connecting plate (12) is fixedly connected to a slider (13), and the slider (13) is slidably connected to the inner side of the limiting frame (16), and a fixing bolt (14) is installed through a thread on the outer wall of the connecting plate (12), and the bottom end of the fixing bolt (14) is against the outer wall of the limiting frame (16).

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