Punch forming ejection device for high-precision automobile stamping part machining

Abstract

The utility model discloses a punch forming ejection device for machining high-precision automobile stamping parts. The punch forming ejection device comprises a frame body and a lower die plate. A stamping groove is formed in the middle of the lower die plate, and a cavity communicated with the stamping groove is formed in the frame body. Two first baffles are connected into the cavity in a sliding mode. The inner sides of the two first baffles are clamped, and the upper ends of the two first baffles are attached to the bottom of the lower die plate. The lower end of the first baffle is connected with a top plate; the diameter of the top plate is not greater than the width of the stamping groove; the lower end of the top plate is connected with a supporting rod; the supporting rod is in sliding connection with the cavity; the side face of the supporting rod is connected with a rack. The outer side of the rack is connected with a gear meshed with the rack. According to the utility model, the top plate at the upper end of the supporting rod moves upwards to eject a formed workpiece in the stamping groove, so that the workpiece moves upwards vertically, the frictional wear of the side surface of the workpiece caused by deviation is reduced, and the production precision of the workpiece is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile stamping parts processing, in particular to a stamping forming ejection device for processing high-precision automobile stamping parts. Background Art

[0002] In the processing of high-precision automotive stamping parts, the sheet metal needs to be stamped to form the required sheet metal shape; in the existing technology, after the stamping is completed, the workpiece needs to be manually removed from the mold, which is very inconvenient and not conducive to improving the efficiency of continuous stamping of workpieces. In addition, the direction of force during manual removal is difficult to determine, resulting in the workpiece removal direction and the stamping groove easily deviating, causing the outer wall of the workpiece to rub against the mold during removal, resulting in wear and tear, resulting in a decrease in the accuracy of the workpiece. Utility Model Content

[0003] The purpose of the utility model is to solve the problems in the prior art and to propose a stamping and ejecting device for processing high-precision automobile stamping parts.

[0004] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0005] A stamping ejection device for processing high-precision automotive stamping parts includes a frame and a lower template; a stamping groove is provided in the middle of the lower template, and a cavity communicating with the stamping groove is provided in the frame; two first baffles are slidably connected in the cavity; the inner sides of the two first baffles are clamped and the upper ends are arranged to fit the bottom of the lower template; the lower ends of the first baffles are connected to a top plate; the top plate is arranged at the lower end of the stamping groove and has a diameter not greater than the width of the stamping groove; the lower end of the top plate is connected to a support rod; the support rod is slidably connected to the cavity; and a rack is connected to the side of the support rod; the outer side of the rack is connected to a meshing gear; the support rod is driven to move up and down in the cavity by the rotation of the gear.

[0006] Preferably, both ends of the two first baffles are connected to connecting blocks; a connecting rod is connected between the two connecting blocks on the same side; one end of the connecting rod is fixedly connected to one of the connecting blocks; the other end of the connecting rod passes through the other connecting block and is fixedly connected to the second baffle; a symmetrical cam is rotatably connected between the second baffle and the adjacent first baffle; the two first baffles are squeezed and clamped together by the symmetrical cams.

[0007] Preferably, a spring is sleeved on the connecting rod; both ends of the spring are respectively in contact with the inner sides of the two connecting blocks; and the two first baffles move outwards due to the elastic force of the spring.

[0008] Preferably, the length difference between the major axis and the minor axis of the symmetrical cam is not less than the diameter length of the top plate; and the upper end of the symmetrical cam is connected to motor 1.

[0009] Preferably, a shaft is fixedly connected in the middle of the gear; one end of the shaft passes through the frame and is connected to motor 2.

[0010] Preferably, a clamping block is connected to the inner side of one of the first baffles; a clamping slot matching the clamping block is provided on the inner side of the other first baffle; the two first baffles are clamped together by the clamping block; and the front and rear sides of the two first baffles are connected to guide plates; the two first baffles are slidably clamped to the inside of the cavity through the guide plates.

[0011] Preferably, the upper end of the frame is connected to an upper template; the upper template matches the lower template and the upper end is connected to cylinder 1.

[0012] Preferably, a push plate is slidably connected to the frame; and one end of the push plate away from the lower template is connected to cylinder 2.

[0013] Compared with the prior art, the present invention provides a stamping and ejecting device for high-precision automotive stamping parts processing, which has the following beneficial effects:

[0014] The punching and ejecting device for high-precision automobile stamping parts processing is characterized in that a first baffle is slidably arranged on the inside of a frame, and a top plate is arranged at the lower end of the first baffle. During punching and forming, the two first baffles clamp the opening at the bottom of the lower template so that the punching and forming can be carried out normally. Then, the two first baffles are moved in opposite directions to the outside by rotating the symmetrical cam, so that the top plate can move upward from the bottom. By rotating the gear and moving the rack upward, the top plate at the upper end of the support rod moves upward to eject the workpiece formed in the punching groove, so that the workpiece moves vertically upward, reducing friction and wear on the side of the workpiece due to offset and increasing the accuracy of workpiece production. The workbench is then pushed out by the push plate, which facilitates the collection of the formed workpiece and eliminates the need for workers to manually disassemble the workpiece inside the lower mold, effectively improving the stamping efficiency, reducing the workload of workers, and making it easier to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure inside the cavity of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the utility model when used inside a cavity;

[0019] Figure 5 It is a structural schematic diagram of the rear side of the utility model.

[0020] In the figure: 10, frame; 11, lower template; 12, stamping groove; 13, upper template; 14, cylinder 1; 20, cavity; 21, first baffle; 22, connecting block; 23, connecting rod; 24, second baffle; 25, symmetrical cam; 26, spring; 27, motor 1; 31, top plate; 32, support rod; 33, rack; 34, gear; 35, shaft; 36, motor 2; 41, block; 42, slot; 43, guide plate; 51, push plate; 52, cylinder 2. DETAILED DESCRIPTION

[0021] The following will refer to Figure 1-5 , the specific implementation method of the punching and ejecting device for processing medium and high precision automobile stamping parts of the utility model is introduced, including a frame 10 and a lower template 11; a punching groove 12 is provided in the middle of the lower template 11, and an upper template 13 is connected to the upper end of the frame 10; the upper template 13 matches the lower template 11 and the upper end is connected to a cylinder 14.

[0022] The frame 10 is provided with a cavity 20 that communicates with the stamping groove 12; two first baffles 21 are slidably connected in the cavity 20; the two first baffles 21 are clamped on the inner sides and the upper ends are arranged to fit the bottom of the lower template 11; the lower end of the first baffle 21 is connected to a top plate 31; the top plate 31 is arranged at the lower end of the stamping groove 12 and the diameter is not greater than the width of the stamping groove 12; the lower end of the top plate 31 is connected to a support rod 32; the support rod 32 is slidably connected to the cavity 20; and the side of the support rod 32 is connected to a rack 33; the outer side of the rack 33 is connected to a meshing gear 34; the support rod 32 is driven by the rotation of the gear 34 to move up and down in the cavity 20; the middle of the gear 34 is fixedly connected to a shaft rod 35; one end of the shaft rod 35 passes through the frame 10 and is connected to motor 2 36. During stamping, the two first baffles 21 clamp the opening at the bottom of the lower template 11 so that stamping can be carried out normally. After the first baffle 21 is moved away, the gear 34 is rotated to drive the rack 33 to move upward, so that the top plate 31 at the upper end of the support rod 32 moves upward to eject the formed workpiece in the stamping groove 12.

[0023] To facilitate the movement of the two first baffles 21, connecting blocks 22 are connected to both ends of the two first baffles 21; a connecting rod 23 is connected between the two connecting blocks 22 on the same side; one end of the connecting rod 23 is fixedly connected to one of the connecting blocks 22; the other end of the connecting rod 23 passes through the other connecting block 22 and is fixedly connected to the second baffle 24; a symmetrical cam 25 is rotatably connected between the second baffle 24 and the adjacent first baffle 21; the two first baffles 21 are squeezed and clamped by the symmetrical cam 25 to block the upper end of the cavity 20.

[0024] A spring 26 is sleeved on the connecting rod 23; the ends of the spring 26 respectively abut the inner sides of the two connecting blocks 22. The two first baffles 21 are moved outward by the elastic force of the spring 26. After stamping, the symmetrical cam 25 is rotated to release the first baffles 21, causing the two first baffles 21 to rebound and separate due to the spring 26. The difference between the major and minor axes of the symmetrical cam 25 is no less than the diameter of the ejector plate 31, ensuring that the spacing between the two first baffles 21 is no less than the diameter of the ejector plate 31, allowing for smooth ejection. The upper end of the symmetrical cam 25 is connected to a motor 27.

[0025] In order to make the two first baffles 21 tightly abut against each other after moving, a clamping block 41 is connected to the inner side of one of the first baffles 21; a clamping groove 42 matching the clamping block 41 is provided on the inner side of the other first baffle 21; the two first baffles 21 are clamped together by the clamping block 41; and to facilitate the limited movement of the two first baffles 21, guide plates 43 are connected to the front and rear sides of the two first baffles 21; the two first baffles 21 are slidably clamped to the inside of the cavity 20 through the guide plates 43.

[0026] In order to facilitate the ejection of the workpiece after ejection, a push plate 51 is slidably connected to the frame 10; the end of the push plate 51 away from the lower template 11 is connected to a second cylinder 52.

[0027] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A stamping and ejecting device for processing high-precision automobile stamping parts, comprising a frame (10) and a lower template (11); a stamping groove (12) is provided in the middle of the lower template (11), characterized in that: The frame (10) is provided with a cavity (20) communicating with the punching groove (12); two first baffles (21) are slidably connected in the cavity (20); the inner sides of the two first baffles (21) are clamped and the upper ends are arranged to fit the bottom of the lower template (11); the lower ends of the first baffles (21) are connected to a top plate (31); the top plate (31) is arranged at the lower end of the punching groove (12) and has a diameter not greater than the width of the punching groove (12); the lower end of the top plate (31) is connected to a support rod (32); the support rod (32) is slidably connected to the cavity (20); and a rack (33) is connected to the side of the support rod (32); the outer side of the rack (33) is connected to a meshing gear (34); the support rod (32) is driven to move up and down in the cavity (20) by the rotation of the gear (34).

2. A stamping and ejecting device for high-precision automotive stamping parts processing according to claim 1, characterized in that: Both ends of the two first baffles (21) are connected to a connecting block (22); a connecting rod (23) is connected between the two connecting blocks (22) on the same side; one end of the connecting rod (23) is fixedly connected to one of the connecting blocks (22); the other end of the connecting rod (23) passes through the other connecting block (22) and is fixedly connected to a second baffle (24); a symmetrical cam (25) is rotatably connected between the second baffle (24) and the adjacent first baffle (21); and the two first baffles (21) are pressed and clamped together by the symmetrical cam (25).

3. A stamping and ejecting device for high-precision automobile stamping parts processing according to claim 2, characterized in that: A spring (26) is sleeved on the connecting rod (23); both ends of the spring (26) respectively abut against the inner sides of the two connecting blocks (22); and the two first baffles (21) move outwards due to the elastic force of the spring (26).

4. A stamping and ejecting device for high-precision automobile stamping parts processing according to claim 2, characterized in that: The difference in length between the major axis and the minor axis of the symmetrical cam (25) is not less than the diameter of the top plate (31); and the upper end of the symmetrical cam (25) is connected to a motor 1 (27).

5. The punching and ejecting device for high-precision automobile stamping parts processing according to claim 1, characterized in that: A shaft (35) is fixedly connected in the middle of the gear (34); one end of the shaft (35) passes through the frame (10) and is connected to a second motor (36).

6. A stamping and ejecting device for high-precision automobile stamping parts processing according to claim 1, characterized in that: A clamping block (41) is connected to the inner side of one of the first baffles (21); a clamping slot (42) matching the clamping block (41) is provided on the inner side of the other first baffle (21); the two first baffles (21) are clamped together via the clamping block (41); and the front and rear sides of the two first baffles (21) are both connected to guide plates (43); the two first baffles (21) are slidably clamped to the interior of the cavity (20) via the guide plates (43).

7. A stamping and ejecting device for high-precision automobile stamping parts processing according to claim 1, characterized in that: The upper end of the frame (10) is connected to an upper template (13); the upper template (13) matches the lower template (11) and the upper end is connected to a cylinder 1 (14).

8. The punching and ejecting device for high-precision automobile stamping parts processing according to claim 1, characterized in that: The frame (10) is also slidably connected to a push plate (51); the end of the push plate (51) away from the lower template (11) is connected to a second cylinder (52).

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