Drawing die for producing automobile rear wheel cover inner plate

Abstract

The utility model discloses a drawing die for producing an inner plate of an automobile rear wheel cover, which comprises a base, a lower die and an upper die, the base is connected with a fixed plate through a buffer mechanism, the inside of the fixed plate is fixedly connected with the bottom of a third spring, the upper end of the third spring is fixedly connected with a moving block, the inside of the fixed plate is fixedly connected with a stepping motor, and the moving block is fixedly connected with the moving block. The front end of the stepping motor is fixedly connected with the rotating disc, the surface of the rotating disc is fixedly connected with the rotating block, and the upper mold, the ejector block, the lower mold and the moving block are arranged, so that when the device is used, a workpiece is placed above the fixing plate, the hydraulic rod is started to drive the upper mold to descend, and after the ejector block below the upper mold makes contact with the surface of the workpiece, the upper mold continues to descend; and the workpiece drives the moving block to descend, a third spring below the moving block shrinks, and after the moving block moves to the same height as the fixed plate, the automobile rear wheel cover inner plate is drawn and formed through a top block below the upper die, the lower die and the moving blocks on the two sides.

Description

Technical Field

[0001] The utility model relates to the technical field of drawing dies for inner plates of rear wheel covers of automobiles, in particular to a drawing die for producing inner plates of rear wheel covers of automobiles. Background Art

[0002] Nowadays, molds are important tools in industrial manufacturing. They are used in industrial production to obtain various molds and tools for the required products by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods. In automobile manufacturing, molds are needed to make automobile parts for automobile production. The existing devices still have some defects; for example;

[0003] For example, a drawing die for the inner panel of a rear wheel cover of an automobile with announcement number CN206028477U, when used, includes a lower die base and an upper die base arranged relatively to each other, the upper surface of the lower die base is provided with a lower die punch and a pressure edge lifting platform which is arranged around the outer periphery of the lower die punch and can be lifted and lowered in a vertical direction, and the lower surface of the upper die base is provided with an upper die concave die which is compatible with the lower die punch.

[0004] The above device has some problems. The device is relatively cumbersome to use, has poor drawing effect on the workpiece, and is inconvenient to adjust during the drawing process of the workpiece during use.

[0005] Therefore, we propose a drawing die device for producing the inner plate of the rear wheel cover of an automobile in order to solve the above-mentioned problems. Utility Model Content

[0006] The utility model aims to provide a drawing die for producing the inner plate of the rear wheel cover of an automobile, so as to solve the problems of poor drawing effect and inconvenient adjustment during use proposed in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a drawing die for producing the inner plate of the rear wheel cover of an automobile, comprising a base, a lower die and an upper die;

[0008] The base is connected to the fixed plate through a buffer mechanism, and the interior of the fixed plate is fixedly connected to the bottom of the third spring, and the upper end of the third spring is fixedly connected to the moving block, the interior of the fixed plate is fixedly connected to the stepping motor, and the front end of the stepping motor is fixedly connected to the turntable, and the surface of the turntable is fixedly connected to the rotating block, the rotating block is arranged in the first groove inside the long plate, and the tail of the long plate is hinged to the fixed plate, and the front end of the long plate is provided with a second groove, a moving shaft is arranged in the second groove, and the moving shaft is fixedly connected to the top plate, and the top plate is slidably connected to the fixed plate, and the top of the top plate is fixedly connected to the bottom of the lower mold;

[0009] The top of the fixed plate is fixedly connected to the fixed frame, and the inside of the fixed frame is fixedly connected to the hydraulic rod, and the bottom of the hydraulic rod is fixedly connected to the upper mold, the inside of the upper mold is connected to the rotating rod through a rotating mechanism, and the bottom of the rotating rod is slidingly connected to the inside of the threaded rod, and the threaded rod is threadedly connected to the inside of the upper mold, and the lower end of the threaded rod is rotatably connected to the top block.

[0010] As a preferred technical solution of the utility model, the buffer mechanism includes a first spring, a connecting plate, a connecting rod, a second spring, and a fixed plate. The first spring is fixedly connected to the inside of the base, and the front end of the first spring is fixedly connected to the connecting plate, and the top of the connecting plate is fixedly connected to the connecting rod, the top of the connecting rod is fixedly connected to the second spring, and the second spring is fixedly connected to the inside of the fixed plate.

[0011] As a preferred technical solution of the utility model, the connecting rods are symmetrically arranged about the center of the connecting plate, and second springs are connected above the connecting rods, and the upper ends of the second springs are connected to the inside of the fixing plate.

[0012] As a preferred technical solution of the utility model, the rotating mechanism includes a first motor, a first gear, a second gear, a rotating shaft, and a rotating rod. The first motor is fixedly connected to the inside of the upper mold, and the front end of the first motor is fixedly connected to the first gear, and the first gear and the second gear are meshed, the second gear and the rotating shaft are fixedly connected, and the rotating shaft and the rotating rod are fixedly connected.

[0013] As a preferred technical solution of the utility model, the rotating shaft is connected to the interior of the upper mold through bearings, and the bearings are arranged in an array about the surface of the rotating shaft, and the rotating rod is a square rod.

[0014] As a preferred technical solution of the utility model, the top blocks are symmetrically arranged about the center of the upper mold, and threaded rods are connected above the top blocks.

[0015] As a preferred technical solution of the present utility model, the third springs are symmetrically arranged about the center of the fixed plate, and a moving block is connected above the third springs, and the third springs are made of high-strength material.

[0016] Compared with the prior art, the utility model has the following beneficial effects: the drawing die for producing the inner plate of the rear wheel cover of an automobile is

[0017] An upper mold, a top block, a lower mold and a moving block are provided. When in use, after the workpiece is placed above the fixed plate, the hydraulic rod is started to drive the upper mold to descend, so that the top block below the upper mold contacts the surface of the workpiece and then continues to descend, so that the workpiece drives the moving block to descend, so that the third spring below the moving block contracts, and the moving block moves to the same height as the fixed plate. At this time, the inner plate of the rear wheel cover of the automobile is drawn into shape by the top block below the upper mold and the lower mold plus the moving blocks on both sides.

[0018] A rotating rod, a threaded rod, a turntable and a top plate are provided. When in use, the first motor inside the upper mold can be started to drive the first gear to rotate. Since the first gear and the second gear are meshed, the second gear drives the rotating shaft to rotate, and the rotating shaft drives the rotating rod to rotate, so that the rotating rod drives the threaded rod to rotate and slides inside the threaded rod, so that the lower end of the threaded rod rotates inside the top block, and at this time drives the top block to move. By adjusting the top block, the depths of both sides of the workpiece during the drawing process are different. At the same time, when in use, the turntable is driven to rotate by the stepper motor, so that the turntable drives the long plate to be adjusted, and the long plate drives the top plate to be adjusted, so that the upper lower mold is adjusted, so that the middle position of the workpiece is adjusted during the drawing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the main cross-sectional structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the connecting rod structure of the utility model;

[0021] Figure 3 For the utility model Figure 1 The enlarged structural diagram at A in the middle;

[0022] Figure 4 This is a schematic diagram of the turntable structure of the utility model.

[0023] In the figure: 1. base; 2. first spring; 3. connecting plate; 4. connecting rod; 5. second spring; 6. fixed plate; 7. third spring; 8. moving block; 9. stepping motor; 10. turntable; 11. rotating block; 12. first groove; 13. second groove; 14. moving shaft; 15. top plate; 16. lower mold; 17. fixed frame; 18. hydraulic rod; 19. upper mold; 20. first motor; 21. first gear; 22. second gear; 23. rotating shaft; 24. rotating rod; 25. threaded rod; 26. top block; 27. long plate. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-4, the utility model provides a technical solution, a drawing die for producing the inner plate of the rear wheel cover of an automobile, comprising a base 1, a lower die 16 and an upper die 19;

[0026] The base 1 is connected to the fixed plate 6 through a buffer mechanism, and the buffer mechanism includes a first spring 2, a connecting plate 3, a connecting rod 4, a second spring 5, and a fixed plate 6. The first spring 2 is fixedly connected to the inside of the base 1, and the front end of the first spring 2 is fixedly connected to the connecting plate 3, and the top of the connecting plate 3 is fixedly connected to the connecting rod 4, the top of the connecting rod 4 is fixedly connected to the second spring 5, and the second spring 5 is fixedly connected to the inside of the fixed plate 6. The connecting rod 4 is symmetrically arranged about the center of the connecting plate 3, and the top of the connecting rod 4 is connected to the second spring 5, and the upper end of the second spring 5 is connected to the inside of the fixed plate 6, and the inside of the fixed plate 6 is fixedly connected to the bottom of the third spring 7, and the third spring 7 is symmetrically arranged about the center of the fixed plate 6. A moving block 8 is connected to the top of the third spring 7, and the third spring 7 is made of high-strength material, and the upper end of the third spring 7 is fixedly connected to the moving block 8, the inside of the fixed plate 6 is fixedly connected to the stepper motor 9, and the front end of the stepper motor 9 is fixedly connected to the turntable 10, and the surface of the turntable 10 is fixedly connected to the rotating block 11, the rotating block 11 is arranged in the first groove 12 inside the long plate 27, and the tail of the long plate 27 is hinged to the fixed plate 6, and the front end of the long plate 27 is provided with a second groove 13, and a moving shaft 14 is provided in the second groove 13, and the moving shaft 14 is fixedly connected to the top plate 15, and the top plate 15 is slidably connected to the fixed plate 6, and the top of the top plate 15 is fixedly connected to the bottom of the lower mold 16;

[0027] After the workpiece is placed above the fixed plate 6, the hydraulic rod 18 is started to drive the upper mold 19 to descend, so that the top block 26 under the upper mold 19 contacts the surface of the workpiece, and then continues to descend, so that the workpiece drives the moving block 8 to descend, so that the third spring 7 under the moving block 8 is contracted, and the moving block 8 is moved to the same height of the fixed plate 6. At this time, the inner plate of the rear wheel cover of the automobile is drawn and formed by the top block 26 under the upper mold 19 and the lower mold 16 plus the moving blocks 8 on both sides. At the same time, when in use, the fixed plate 6 moves downward, so that the second spring 5 inside the fixed plate 6 drives the connecting rod 4 to move, and the connecting rod 4 slides inside the fixed plate 6, and at the same time drives the lower connecting plate 3 to slide inside the base 1, and at the same time, the first spring 2 inside the base 1 is contracted to buffer the upper fixed plate 6, which is more effective in use;

[0028] The upper part of the fixed plate 6 is fixedly connected to the fixed frame 17, and the interior of the fixed frame 17 is fixedly connected to the hydraulic rod 18, and the lower part of the hydraulic rod 18 is fixedly connected to the upper mold 19. The interior of the upper mold 19 is connected to the rotating rod 24 through a rotating mechanism. The rotating mechanism includes a first motor 20, a first gear 21, a second gear 22, a rotating shaft 23, and a rotating rod 24. The first motor 20 is fixedly connected to the interior of the upper mold 19, and the front end of the first motor 20 is fixedly connected to the first gear 21, and the first gear 21 is meshed with the second gear 22. The second gear 22 is fixedly connected to the rotating shaft 23, and the rotating shaft 23 is fixedly connected to the rotating rod 24. The rotating shaft 23 is connected to the interior of the upper mold 19 through a bearing, and the bearing is arranged in an array on the surface of the rotating shaft 23. The rotating rod 24 is a square rod, and the lower part of the rotating rod 24 is slidably connected to the interior of the threaded rod 25, and the threaded rod 25 is threadedly connected to the interior of the upper mold 19, and the lower end of the threaded rod 25 is rotatably connected to the top block 26. The top block 26 is symmetrically arranged about the center of the upper mold 19, and the top of the top block 26 is connected with the threaded rod 25;

[0029] At the same time, when in use, the first motor 20 inside the upper mold 19 can be started to drive the first gear 21 to rotate. Since the first gear 21 and the second gear 22 are meshed, the second gear 22 drives the rotating shaft 23 to rotate, so that the rotating shaft 23 drives the rotating rod 24 to rotate, and the rotating rod 24 drives the threaded rod 25 to rotate. At the same time, the threaded rod 25 slides inside, so that the lower end of the threaded rod 25 rotates inside the top block 26, and at this time drives the top block 26 to move. By adjusting the top block 26, the two sides of the workpiece during the drawing process The depth is different. At the same time, during use, the stepper motor 9 can be started to drive the turntable 10 to rotate, so that the rotating block 11 on the surface of the turntable 10 rotates, and the rotating block 11 moves in the first groove 12 inside the long plate 27, driving the tail of the long plate 27 to adjust through the hinge shaft. At the same time, the second groove 13 in front of the long plate 27 drives the moving shaft 14 to move, so that the moving shaft 14 mobilizes the top plate 15 for adjustment, and the top plate 15 drives the upper lower mold 16 to adjust, so that the middle position of the workpiece is adjusted during the drawing process.

[0030] Working principle: When using the drawing die for producing the inner panel of the rear wheel cover of an automobile, after placing the workpiece above the fixed plate 6, start the hydraulic rod 18 to drive the upper mold 19 to descend, so that the top block 26 below the upper mold 19 contacts the surface of the workpiece, and then continues to descend, so that the workpiece drives the moving block 8 to descend, so that the third spring 7 below the moving block 8 contracts, and the moving block 8 moves to the same height of the fixed plate 6. At this time, the inner panel of the rear wheel cover of the automobile is drawn and formed by the top block 26 below the upper mold 19 and the lower mold 16 plus the moving blocks 8 on both sides. At the same time, when in use, the fixed plate 6 moves downward, so that the second spring 5 inside the fixed plate 6 drives the connecting rod 4 to move, and the connecting rod 4 slides inside the fixed plate 6, and at the same time drives the lower connecting plate 3 to slide inside the base 1, and at the same time, the first spring 2 inside the base 1 contracts to buffer the upper fixed plate 6, which is more effective. At the same time, when in use, the first motor 20 inside the upper mold 19 can be started to drive the first gear 21 rotates, and due to the meshing of the first gear 21 and the second gear 22, the second gear 22 drives the rotating shaft 23 to rotate, so that the rotating shaft 23 drives the rotating rod 24 to rotate, so that the rotating rod 24 drives the threaded rod 25 to rotate and slides inside the threaded rod 25, so that the lower end of the threaded rod 25 rotates inside the top block 26, and at this time drives the top block 26 to move. By adjusting the top block 26, the depths of the two sides of the workpiece during the drawing process are different. At the same time, during use, the stepping motor 9 can be started to drive the turntable 10 to rotate, so that the rotating block 11 on the surface of the turntable 10 rotates, so that the rotating block 11 moves in the first groove 12 inside the long plate 27, driving the tail of the long plate 27 to adjust through the hinge shaft. At the same time, the second groove 13 in front of the long plate 27 drives the moving shaft 14 to move, so that the moving shaft 14 mobilizes the top plate 15 for adjustment, so that the top plate 15 drives the upper lower mold 16 to adjust, so that the middle position of the workpiece is adjusted during the drawing process.

[0031] Thereby completing a series of tasks, the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[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. A drawing die for producing an inner plate of a rear wheel housing of an automobile, comprising a base (1), a lower die (16) and an upper die (19); Features: The base (1) is connected to the fixed plate (6) through a buffer mechanism, and the interior of the fixed plate (6) is fixedly connected to the bottom of the third spring (7), and the upper end of the third spring (7) is fixedly connected to the moving block (8), the interior of the fixed plate (6) is fixedly connected to the stepping motor (9), and the front end of the stepping motor (9) is fixedly connected to the turntable (10), and the surface of the turntable (10) is fixedly connected to the rotating block (11), the rotating block (11) is arranged in a first groove (12) inside the long plate (27), and the tail of the long plate (27) is hinged to the fixed plate (6), and the front end of the long plate (27) is provided with a second groove (13), a moving shaft (14) is provided in the second groove (13), and the moving shaft (14) is fixedly connected to the top plate (15), and the top plate (15) is slidably connected to the fixed plate (6), and the top of the top plate (15) is fixedly connected to the bottom of the lower mold (16); The upper portion of the fixed plate (6) is fixedly connected to the fixed frame (17), and the interior of the fixed frame (17) is fixedly connected to the hydraulic rod (18), and the lower portion of the hydraulic rod (18) is fixedly connected to the upper mold (19), the interior of the upper mold (19) is connected to the rotating rod (24) via a rotating mechanism, and the lower portion of the rotating rod (24) is slidably connected to the interior of the threaded rod (25), and the threaded rod (25) is threadedly connected to the interior of the upper mold (19), and the lower end of the threaded rod (25) is rotatably connected to the top block (26).

2. The drawing die for producing the inner plate of the rear wheel cover of an automobile according to claim 1, characterized in that: The buffer mechanism comprises a first spring (2), a connecting plate (3), a connecting rod (4), a second spring (5), and a fixing plate (6); the first spring (2) is fixedly connected to the inside of the base (1), the front end of the first spring (2) is fixedly connected to the connecting plate (3), the top of the connecting plate (3) is fixedly connected to the connecting rod (4), the top of the connecting rod (4) is fixedly connected to the second spring (5), and the second spring (5) is fixedly connected to the inside of the fixing plate (6).

3. The drawing die for producing the inner plate of the rear wheel cover of an automobile according to claim 2, characterized in that: The connecting rods (4) are symmetrically arranged about the center of the connecting plate (3), and the tops of the connecting rods (4) are connected to second springs (5), and the upper ends of the second springs (5) are connected to the inside of the fixing plate (6).

4. The drawing die for producing the inner plate of the rear wheel cover of an automobile according to claim 1, characterized in that: The rotating mechanism comprises a first motor (20), a first gear (21), a second gear (22), a rotating shaft (23), and a rotating rod (24); the first motor (20) is fixedly connected to the interior of the upper mold (19); the front end of the first motor (20) is fixedly connected to the first gear (21); the first gear (21) is meshed with the second gear (22); the second gear (22) is fixedly connected to the rotating shaft (23); and the rotating shaft (23) is fixedly connected to the rotating rod (24).

5. The drawing die for producing the inner plate of the rear wheel cover of an automobile according to claim 4, characterized in that: The rotating shaft (23) is connected to the interior of the upper mold (19) via a bearing, and the bearings are arranged in an array about the surface of the rotating shaft (23), and the rotating rod (24) is a square rod.

6. The drawing die for producing the inner plate of the rear wheel cover of an automobile according to claim 5, characterized in that: The top block (26) is symmetrically arranged about the center of the upper mold (19), and a threaded rod (25) is connected above the top block (26).

7. The drawing die for producing the inner plate of the rear wheel cover of an automobile according to claim 1, characterized in that: The third springs (7) are symmetrically arranged about the center of the fixed plate (6), and a moving block (8) is connected above the third springs (7), and the third springs (7) are made of a high-strength material.

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