Punch forming device for automobile sheet metal stamping part

Abstract

The invention relates to the technical field of automobile sheet metal machining, and discloses an automobile sheet metal stamping part punch forming device which comprises a workbench, a supporting frame is fixedly connected to the upper surface of the workbench, and two hydraulic push rods are fixedly connected to the upper surface of the supporting frame; the output ends of the two hydraulic push rods both extend to the lower portion of the supporting frame and are fixedly connected with a connecting plate, a forming die head is installed on the lower surface of the connecting plate, two fixing plates are fixedly connected to the lower surface of the workbench, a threaded rod is rotationally connected between the two fixing plates, the surface of the threaded rod is sleeved with a threaded sleeve in a threaded mode, and the threaded sleeve is fixedly connected with the supporting frame. A sliding rod is fixedly connected between the two fixing plates, the surface of the sliding rod is slidably sleeved with a sliding sleeve, when the device is used, circulating non-stop stamping operation can be achieved, the stop waiting time is shortened, the efficiency is improved, meanwhile, metal plates can be limited and fixed, and the stamping effect is guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of automobile sheet metal processing, in particular to a stamping forming device for automobile sheet metal stamping parts. Background Art

[0002] Sheet metal is a thin metal plate. When processing automotive sheet metal parts, a mold installed on a press is usually used to apply pressure to the sheet metal parts to cause separation or plastic deformation, thereby obtaining sheet metal parts of the desired shape and size.

[0003] A stamping and forming device for automobile sheet metal processing with a search announcement number of CN 220717507 U includes a bracket, a driving cylinder is installed on the top of the bracket, the output end of the driving cylinder penetrates into the inside of the bracket and is fixedly connected to a connecting plate, the bottom of the connecting plate is detachably connected to an upper mold, a lower mold is arranged inside the bracket, the lower mold is detachably connected to the bracket, and the upper mold is adapted to the lower mold. The installation between the connecting plate and the upper mold is completed by providing a bayonet pin and a slot, and the device can be quickly installed and fixed under the action of a telescopic rod and a reset spring, and the inclined surface provided with the bayonet pin can contact the upper mold to achieve quick installation.

[0004] However, the above device still has some shortcomings during use. After the sheet metal parts are stamped and formed, it takes a long time to stop and wait. The staff is required to take out the formed sheet metal parts and then place new sheet metal parts for stamping. The process wastes time and is inefficient. At the same time, the sheet metal cannot be limited and fixed during stamping, which is prone to sliding, affecting the stamping quality. In addition, the rapid installation and disassembly of the mold is achieved by cooperating with the pin and the slot, which is not stable enough and is prone to shaking. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a stamping and forming device for automobile sheet metal stamping parts, which solves the problem that after the sheet metal parts are stamped and formed, the machine needs to stop and wait for a long time. The staff needs to take out the formed sheet metal parts and then place new sheet metal parts for stamping, which wastes time and is inefficient. At the same time, the sheet metal cannot be limited and fixed during stamping, which is prone to sliding and affecting the stamping quality. In addition, the mold is quickly installed and disassembled by cooperating with the pin and the slot, which is not stable enough and is prone to shaking.

[0006] The present invention provides the following technical solution: a stamping forming device for automobile sheet metal stamping parts, comprising a workbench, the upper surface of the workbench is fixedly connected to a support frame, the upper surface of the support frame is fixedly connected to two hydraulic push rods, the output ends of the two hydraulic push rods extend to the bottom of the support frame and are fixedly connected to a connecting plate, the lower surface of the connecting plate is installed with a forming die head, the lower surface of the workbench is fixedly connected to two fixed plates, a screw is rotatably connected between the two fixed plates, the surface of the screw is threadedly sleeved with a screw sleeve, a sliding rod is fixedly connected between the two fixed plates, the surface of the sliding rod is slidably sleeved with a sliding sleeve, the top ends of the screw sleeve and the sliding sleeve extend to the top of the workbench and are fixedly connected to a lower mold, the upper surface of the lower mold is provided with two molding grooves, and clamping components are arranged inside the two molding grooves.

[0007] Preferred technical solution 1: Two movable grooves are provided on the upper surface of the workbench, and both the screw sleeve and the sliding sleeve can move inside the movable grooves.

[0008] Preferred technical solution 2: A driving motor is fixedly connected to the surface of one of the fixing plates, and an output end of the driving motor passes through the connected fixing plates and is fixedly connected to the screw rod.

[0009] Preferred technical solution three: the clamping assembly includes threaded grooves opened on the two side walls inside the forming groove, the two threaded grooves are threadedly sleeved with screw rods, and the two screw rods are rotatably installed with clamps at one end located inside the forming groove, and the two side walls inside the forming groove are opened with limiting grooves, and the two limiting grooves are slidably sleeved with limiting rods, and the two limiting rods are fixedly connected to the two clamps respectively.

[0010] Preferred technical solution four: two threaded sleeves are rotatably mounted on the lower surface of the connecting plate, and two threaded rods are fixedly connected to the upper surface of the forming die head, and the threaded rods can be threadedly sleeved with the threaded sleeves.

[0011] Preferred technical solution five: Slide blocks are fixedly connected to the four corners of the lower surface of the lower mold, and two slide grooves are provided on the upper surface of the workbench. The four slide blocks can slide inside the two slide grooves respectively.

[0012] Preferred technical solution six: The four corners of the lower surface of the workbench are fixedly connected with support columns, and the bottom end of each support column is fixedly connected with an anti-slip pad.

[0013] Preferred technical solution seven: an outer end of each of the limit rods is fixedly connected to a limit disk, an outer end of each of the lead screws is fixedly connected to a rotating disk, and the limit rods and the lead screws do not interfere with each other with the support frame.

[0014] Compared with the prior art, the present invention provides a stamping and forming device for automobile sheet metal stamping parts, which has the following beneficial effects: when in use, the raw material is placed inside the two forming grooves in the lower mold, and then the screw rod is rotated to drive the clamping plate to clamp and fix the material to avoid shaking during the stamping process, and then the screw rod is driven to rotate by the driving motor, thereby driving the screw sleeve and the lower mold to move, so that one of the forming grooves is located below the forming die head, and then the forming die head is driven downward by the extension of the hydraulic push rod, and the raw material inside is stamped and formed by cooperating with the forming groove, and then the lower mold is driven to move by the rotation of the driving motor. The molded product is moved to one side of the molding die head, and the other molding groove is moved to the bottom of the molding die head to continue stamping and molding. At the same time, the screw rod is rotated in the opposite direction to drive the clamping plate to move, and the lock on the product is released. Then the molded product can be taken out, and new materials are put in for clamping and fixing. Then the lower mold is driven by the driving motor to move, and the stamping operation is repeated. It is convenient and fast, and effectively reduces the downtime waiting time during the process. At the same time, when the molding die head needs to be disassembled, replaced or repaired, the molding die head can be separated from the connecting plate by rotating the threaded sleeve, and it can be quickly disassembled for easy replacement or maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view of the present invention; Figure 2 is a side view of the present invention; Figure 3 A bottom view of the present invention; Figure 4 This is a disassembled diagram of the workbench and lower mold structure of the present invention; Figure 5 This is a disassembled diagram of the lower mold and the clamping assembly structure of the present invention; Figure 6 This is a disassembled diagram of the support frame and the molding die structure of the present invention.

[0016] In the figure: 1. workbench; 2. support frame; 3. hydraulic push rod; 4. connecting plate; 5. forming die head; 6. fixed plate; 7. screw; 8. screw sleeve; 9. slide rod; 10. slide sleeve; 11. lower mold; 12. forming groove; 13. movable groove; 14. drive motor; 15. clamping assembly; 16. threaded groove; 17. screw rod; 18. clamping plate; 19. limit groove; 20. limit rod; 21. threaded sleeve; 22. threaded rod; 23. slider; 24. slide groove; 25. support column. DETAILED DESCRIPTION

[0017] See also Figure 1-6 , Embodiment 1: A stamping forming device for automobile sheet metal stamping parts comprises a workbench 1, the upper surface of the workbench 1 is fixedly connected to a support frame 2, the upper surface of the support frame 2 is fixedly connected to two hydraulic push rods 3, the output ends of the two hydraulic push rods 3 extend to the bottom of the support frame 2 and are fixedly connected to a connecting plate 4, a forming die head 5 is installed on the lower surface of the connecting plate 4, two fixed plates 6 are fixedly connected to the lower surface of the workbench 1, a screw rod 7 is rotatably connected between the two fixed plates 6, a screw sleeve 8 is threadedly sleeved on the surface of the screw rod 7, a sliding rod 9 is fixedly connected between the two fixed plates 6, the surface of the sliding rod 9 is slidably sleeved on a sliding sleeve 10, the top ends of the screw sleeve 8 and the sliding sleeve 10 extend to the top of the workbench 1 and are fixedly connected to a lower mold 11, two molding grooves 12 are provided on the upper surface of the lower mold 11, and clamping components 15 are provided inside the two molding grooves 12.

[0018] Embodiment 2: The difference between this embodiment and embodiment 1 is that two movable grooves 13 are provided on the upper surface of the workbench 1, and both the screw sleeve 8 and the sliding sleeve 10 can move inside the movable grooves 13, so as to facilitate the movement of the screw sleeve 8 and the sliding sleeve 10.

[0019] Embodiment 3: The difference between this embodiment and embodiment 1 is that a driving motor 14 is fixedly connected to the surface of one of the fixed plates 6, and the output end of the driving motor 14 passes through the connected fixed plates 6 and is fixedly connected to the screw 7. The rotation of the driving motor 14 can automatically drive the lower mold 11 to move, thereby facilitating the cyclic stamping operation.

[0020] Embodiment 4: The difference between this embodiment and embodiment 1 lies in that, the clamping assembly 15 comprises a threaded groove 16 provided on the inner side walls of the forming groove 12, the inner parts of the two threaded grooves 16 are both threadedly sleeved with screw rods 17, the two screw rods 17 are both rotatably mounted with clamping plates 18 at one end located inside the forming groove 12, the inner side walls of the forming groove 12 are both provided with limiting grooves 19, the inner parts of the two limiting grooves 19 are both slidably sleeved with limiting rods 20, the two limiting rods 20 are respectively fixedly connected with the two clamping plates 18, so as to facilitate the clamping and fixing of the material inside the forming groove 12 and avoid shaking during the stamping process.

[0021] Embodiment 5: The difference between this embodiment and embodiment 1 is that, two threaded sleeves 21 are rotatably mounted on the lower surface of the connecting plate 4, and two threaded rods 22 are fixedly connected to the upper surface of the molding die head 5. The threaded rods 22 can be threadedly connected with the threaded sleeves 21, so as to facilitate the rapid installation and disassembly of the molding die head 5 and facilitate replacement or maintenance.

[0022] Embodiment 6: The difference between this embodiment and embodiment 1 is that, the four corners of the lower surface of the lower mold 11 are fixedly connected with sliders 23, and two slide grooves 24 are provided on the upper surface of the workbench 1. The four sliders 23 can slide inside the two slide grooves 24 respectively, so that the lower mold 11 moves more smoothly and stably.

[0023] Embodiment 7: The difference between this embodiment and embodiment 1 is that, the four corners of the lower surface of the workbench 1 are fixedly connected with support columns 25, and the bottom end of each support column 25 is fixedly connected with an anti-slip pad to support the whole and make it more stable.

[0024] Embodiment 8: The difference between this embodiment and embodiment 1 lies in that, the outer end of each limit rod 20 is fixedly connected to a limit disk, and the outer end of each screw rod 17 is fixedly connected to a rotating disk, and the limit rod 20 and the screw rod 17 do not interfere with each other with the support frame 2, so that the user can operate conveniently.

[0025] In summary, when the stamping and forming device for automobile sheet metal stamping parts is used, the raw material is placed inside the two forming grooves 12 in the lower die 11, and then the screw rod 17 is rotated to drive the clamping plate 18 to clamp and fix the material to avoid shaking during the stamping process, and then the screw rod 7 is driven to rotate by the driving motor 14, thereby driving the screw sleeve 8 and the lower die 11 to move, so that one of the forming grooves 12 is located below the forming die head 5, and then the forming die head 5 is driven to move downward by the extension of the hydraulic push rod 3, and the raw material inside is stamped and formed by cooperating with the forming groove 12, and then the lower die 11 is driven to move by the rotation of the driving motor 14 to make the forming The final product moves to one side of the molding die 5, so that the other molding groove 12 moves to the bottom of the molding die 5 to continue stamping and molding. At the same time, the screw rod 17 is rotated in the opposite direction to drive the clamping plate 18 to move, and the lock of the product is released. Then the molded product can be taken out, and new materials are put in for clamping and fixing. Then, the lower mold 11 is driven by the driving motor 14 to move, and the stamping operation is repeated. It is convenient and fast, and the downtime waiting time during the process is effectively reduced. At the same time, when the molding die 5 needs to be disassembled, replaced or repaired, the molding die 5 can be separated from the connecting plate 4 by rotating the threaded sleeve 21, and it can be quickly disassembled for easy replacement or maintenance.

Claims

1. A stamping and forming device for automobile sheet metal stamping parts, comprising a workbench (1), characterized in that: The upper surface of the workbench (1) is fixedly connected to a support frame (2), and two hydraulic push rods (3) are fixedly connected to the upper surface of the support frame (2). The output ends of the two hydraulic push rods (3) extend to the bottom of the support frame (2) and are fixedly connected to a connecting plate (4). A molding die head (5) is installed on the lower surface of the connecting plate (4). The lower surface of the workbench (1) is fixedly connected to two fixed plates (6). A screw rod (7) is rotatably connected between the two fixed plates (6). The surface of the screw rod (7) is threadedly sleeved with a screw sleeve (8). A sliding rod (9) is fixedly connected between the two fixed plates (6). The surface of the sliding rod (9) is slidably sleeved with a sliding sleeve (10). The top ends of the screw sleeve (8) and the sliding sleeve (10) extend to the top of the workbench (1) and are fixedly connected to a lower mold (11). Two molding grooves (12) are provided on the upper surface of the lower mold (11), and clamping components (15) are provided inside the two molding grooves (12).

2. The stamping forming device for automobile sheet metal stamping parts according to claim 1, characterized in that: The upper surface of the workbench (1) is provided with two movable grooves (13), and both the screw sleeve (8) and the sliding sleeve (10) can move inside the movable grooves (13).

3. The stamping forming device for automobile sheet metal stamping parts according to claim 1, characterized in that: A driving motor (14) is fixedly connected to the surface of one of the fixing plates (6), and an output end of the driving motor (14) passes through the connected fixing plate (6) and is fixedly connected to the screw rod (7).

4. The stamping forming device for automobile sheet metal stamping parts according to claim 1, characterized in that: The clamping assembly (15) comprises a threaded groove (16) formed on two side walls inside the molding groove (12), the inside of the two threaded grooves (16) are both threadedly sleeved with screw rods (17), one end of the two screw rods (17) located inside the molding groove (12) are both rotatably mounted with clamping plates (18), the inner side walls of the molding groove (12) are both formed with limiting grooves (19), the inside of the two limiting grooves (19) are both slidably sleeved with limiting rods (20), and the two limiting rods (20) are respectively fixedly connected to the two clamping plates (18).

5. The stamping and forming device for automobile sheet metal stamping parts according to claim 1, characterized in that: Two threaded sleeves (21) are rotatably mounted on the lower surface of the connecting plate (4), and two threaded rods (22) are fixedly connected to the upper surface of the forming die head (5), wherein the threaded rods (22) can be threadedly sleeved with the threaded sleeves (21).

6. The stamping forming device for automobile sheet metal stamping parts according to claim 1, characterized in that: The four corners of the lower surface of the lower mold (11) are fixedly connected with sliders (23), and the upper surface of the workbench (1) is provided with two slide grooves (24), and the four sliders (23) can slide inside the two slide grooves (24) respectively.

7. The stamping and forming device for automobile sheet metal stamping parts according to claim 1, characterized in that: The four corners of the lower surface of the workbench (1) are fixedly connected to support columns (25), and the bottom end of each support column (25) is fixedly connected to an anti-slip pad.

8. The stamping forming device for automobile sheet metal stamping parts according to claim 4, characterized in that: One outer end of each of the limit rods (20) is fixedly connected to a limit disk, and one outer end of each of the lead screws (17) is fixedly connected to a rotating disk. The limit rods (20) and the lead screws (17) do not interfere with each other with the support frame (2).

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