Automatic material returning mechanism for hardware stamping

Abstract

The utility model relates to the field of hardware stamping, in particular to an automatic material returning mechanism for hardware stamping, which comprises a base, a fixed plate is arranged above the base, the fixed plate is connected with the base through a vertical rod, a lifting plate is arranged on the vertical rod, a top block is slidably arranged at the upper part of the base, and a mounting plate is arranged at the lower part of the base. In the working process, after machining is completed, the two third connecting plates are driven by the elastic pieces to move along with upward movement of the lifting plate, the lower ends of the third connecting plates drive the second sliding blocks to move through the fixing shafts, the second sliding blocks drive the first sliding blocks to slide on the guide rods through the second connecting plates, and the second sliding blocks drive the second sliding blocks to slide on the guide rods through the second connecting plates. When the first sliding block moves, one end of the first connecting plate is driven to move along with the first sliding block, the first connecting plate drives the push plate to move upwards and ejects the ejector block, the ejector block retreats the workpiece from the machining position, pure mechanical work is achieved, and therefore the effects of being simple in structure and low in maintenance cost are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hardware stamping technical field, concretely is a kind of automatic material returning mechanism for hardware stamping. BACKGROUND

[0002] Hardware stamping is a kind of processing technology widely used in manufacturing, by die to metal plate is applied pressure, it occurs plastic deformation, to obtain the shape and size required, in hardware stamping process, automatic material returning mechanism plays a vital role.

[0003] After searching, the Chinese patent with publication number CN220697952U discloses a kind of hardware stamping device of automatic material returning, material is adsorbed on material returning plate by vacuum pump cooperation suction cup, to prevent it from slipping and displacement in material returning process, by being provided with fixed mechanism, by supporting plate cooperation electric push rod and clamping plate are clamped and fixed to lower mould, to prevent it from shaking and tilting and affect the effect of material returning in material returning process.

[0004] But the effect of pushing material is realized by electric push rod and other electrical components in prior art, the internal structure of component is complex, when fault occurs, it needs professional maintenance personnel to spend a lot of time to check and replace faulty component, in order to solve the problem of long maintenance time and high maintenance cost in prior art, by the transmission between pure machinery, push top plate to lift, to realize automatic pushing material while simple structure, reach the effect that staff is conveniently maintained and equipment maintenance cost is reduced, therefore new scheme needs to be proposed to solve this problem. UTILITY MODEL CONTENT

[0005] In view of the above background art, the prior art has the deficiencies and defects that professional maintenance personnel need to spend a lot of time to check and replace faulty component, resulting in long maintenance time and high maintenance cost.

[0006] The utility model discloses a kind of automatic material returning mechanism for hardware stamping, including base, fixed plate is provided in the upper of base, the fixed plate is connected between the base by vertical rod, vertical rod is provided with lifting plate, top block is slidably arranged on the upper portion of base, installation plate is provided in the lower portion of base, guide rod is provided on the installation plate, sliding block one is provided on the guide rod, lifting assembly is arranged between the sliding block one and the top block, transmission assembly is arranged between the lifting plate and the installation plate.

[0007] Further, the lifting assembly includes push plate, the push plate is arranged between the top block and the guide rod, the push plate is inserted with the top block, the push plate is connected between the sliding block one by connecting plate one.

[0008] Further, the transmission assembly comprises a slider two, the slider two is slidably arranged on the mounting plate, a driving member is arranged between the slider two and the mounting plate, and the slider two is connected with the slider one through a connecting plate two.

[0009] Further, the driving member comprises a connecting plate three, one end of the connecting plate three is provided with an elastic member between the lifting plate, the other end of the connecting plate three is provided with a fixed shaft, one end of the fixed shaft is arranged on the slider two, and the mounting plate is provided with a guide groove, and the fixed shaft is slidably arranged in the guide groove.

[0010] Further, the elastic member comprises a sleeve, the sleeve is rotatably connected with the connecting plate three at the lower end, the sleeve is slidably provided with a vertical plate at the upper end, the vertical plate is arranged on the lifting plate at the upper end, and the sleeve is provided with a spring between the vertical plate.

[0011] Further, the mounting plate is provided with a guide plate, the guide plate is provided with a limiting groove at the upper end, the top block is provided with a limiting block, and the limiting block is slidably arranged in the limiting groove.

[0012] Further, the push plate is provided with a groove, and the guide plate is slidably arranged in the groove.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1、 the utility model discloses in the working process when processing is completed, and the two connecting plate threes are followed with the removal of the elastic member along with the upward movement of the lifting plate, and the lower end of the connecting plate three drives the slider two to move through the fixed shaft, and the slider two drives the slider one to slide on the guide rod through the connecting plate two, and the slider one moves along with the one end of the connecting plate one to move, and the connecting plate one drives the push plate to move upwards, and the top block is lifted, and the top block removes the workpiece from the machining position, realizes pure mechanical work, thereby the equipment structure is simple, and the effect of low maintenance cost is obtained.

[0015] 2、 the utility model discloses through setting up the limiting block, guide plate and other components, and the mutual cooperation between the limiting block component and the guide plate in the working process, thereby when the push plate drives the top block to move, the top block drives the limiting block to slide in the limiting groove, realizes the guidance of moving direction, and after the push plate and the top block are separated, the lowering position of the top block is limited through the limiting groove, and the moving direction and position of the push plate are limited through the guide plate, thereby the stability in the working process of the device is improved. DRAWINGS

[0016] The drawings explained here are used to provide further understanding of the present application, and constitute a part of the present application, and the illustrative embodiments of the present application and the explanation thereof are used to explain the present application, and do not constitute improper limitation to the present application. In the drawings:

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

[0018] Figure 2 This is a partial structural diagram of the present invention;

[0019] Figure 3 This is an exploded view of the present invention;

[0020] Figure 4 This is a cross-sectional view of the sleeve and vertical plate of this utility model.

[0021] In the diagram: 1. Base; 2. Vertical rod; 3. Fixing plate; 4. Lifting plate; 5. Mounting plate; 6. Guide rod; 7. Top block; 8. Push plate; 9. Connecting plate one; 10. Slider one; 11. Connecting plate two; 12. Slider two; 13. Connecting plate three; 14. Fixing shaft; 15. Guide groove; 16. Sleeve; 17. Vertical plate; 18. Spring; 19. Guide plate; 20. Limiting groove; 21. Limiting block. Detailed Implementation

[0022] The following illustrations will reveal several embodiments of the present invention. For clarity, many physical details will be described in the following description. However, it should be understood that these physical details should not be used to limit the present invention. That is, in some embodiments of the present invention, these physical details are not essential. Furthermore, for the sake of simplicity, some conventional structures and components will be shown in a simple schematic manner in the illustrations.

[0023] Please see Figure 1 , Figure 2 The automatic unloading mechanism for metal stamping of this utility model includes a base 1, a fixed plate 3 above the base 1, the fixed plate 3 and the base 1 connected by a vertical rod 2, a lifting plate 4 on the vertical rod 2, a lower mold at the upper end of the base 1, an upper mold at the lower end of the lifting plate 4, a hydraulic telescopic rod between the lifting plate 4 and the fixed plate 3, a top block 7 slidably mounted on the upper part of the base 1, an mounting plate 5 at the lower part of the base 1, a guide rod 6 on the mounting plate 5, a slider 10 on the guide rod 6, the slider 10 slidably mounted with the mounting plate 5, a lifting assembly between the slider 10 and the top block 7, and a transmission assembly between the lifting plate 4 and the mounting plate 5.

[0024] like Figure 2 , Figure 3As shown, the lifting assembly includes a push plate 8, which is disposed between the top block 7 and the guide rod 6. The push plate 8 is inserted into the top block 7, and the push plate 8 is connected to the slider 10 through a connecting plate 9. The two ends of the connecting plate 9 are rotatably connected to the slider 10 and the push plate 8, respectively. The guide rod 6 guides and restricts the movement direction and position of the slider 10 to prevent the slider 10 from rotating or deviating, thereby improving the stability of the slider 10 during operation.

[0025] See Figure 2 As shown, the transmission assembly includes a second slider 12, which is slidably mounted on the mounting plate 5. A driving component is provided between the second slider 12 and the mounting plate 5. The second slider 12 and the first slider 10 are connected by a second connecting plate 11, and the two ends of the second connecting plate 11 are rotatably connected to the second slider 12 and the first slider 10, respectively.

[0026] In this embodiment, the driving component includes a connecting plate 3 13. One end of the connecting plate 3 13 is provided with an elastic element between it and the lifting plate 4. The other end of the connecting plate 3 13 is equipped with a fixed shaft 14. One end of the fixed shaft 14 is rotatably mounted on the slider 2 12. A guide groove 15 is provided on the mounting plate 5. The fixed shaft 14 and the guide groove 15 are slidably arranged. Through the mutual cooperation between the guide groove 15 and the fixed shaft 14, the movement direction of the slider 2 12 is guided and restricted.

[0027] like Figure 4 As shown, the elastic element includes a sleeve 16, the lower end of which is rotatably connected to the connecting plate 13. A vertical plate 17 is slidably mounted on the upper end of the sleeve 16, and the upper end of the vertical plate 17 is mounted on the lifting plate 4. A spring 18 is provided between the sleeve 16 and the vertical plate 17. When the lifting plate 4 moves downward, it drives the vertical plate 17 to move downward. The vertical plate 17 drives the sleeve 16 to move downward through the spring 18. The sleeve 16 drives the slider 12 to move through the connecting plate 13. When the slider 12 moves to the top, as the lifting plate 4 moves downward, the lifting plate 4 drives the vertical plate 17 to compress the spring 18, thereby realizing the cooperation between the upper mold and the lower mold.

[0028] Combination Figure 2 , Figure 3 As shown, a guide plate 19 is provided on the mounting plate 5, and a limiting groove 20 is provided on the upper end of the guide plate 19. A limiting block 21 is provided on the top block 7. The limiting block 21 is slidably disposed with the limiting groove 20. When the push plate 8 drives the top block 7 to move upward, the top block 7 drives the limiting block 21 to slide within the limiting groove 20, thereby guiding the movement direction and position of the top block 7 and improving the stability of the top block 7. When the push plate 8 moves downward and drives the top block 7 to move accordingly, the top block 7 blocks the limiting block 21 under the action of the limiting groove 20, thereby limiting the descent height of the top block 7.

[0029] In this embodiment, the push plate 8 is provided with a groove, and the guide plate 19 is slidably disposed with the groove. The push plate 8 moves while sliding on the guide plate 19. The guide plate 19 guides and restricts the movement direction of the push plate 8, thereby improving the stability of the push plate 8 during operation.

[0030] The implementation principle is as follows: During processing, the sheet metal is placed in the lower mold, and the lifting plate 4 is moved downward by the hydraulic telescopic rod. The lifting plate 4 drives the upper mold to move accordingly. Through the cooperation between the upper and lower molds, the sheet metal is stamped into the specified shape. The lifting plate 4 is moved upward by the hydraulic telescopic rod. The lifting plate 4 drives the vertical plate 17 to move. The vertical plate 17 drives the sleeve 16 to move accordingly. The sleeve 16 drives the upper end of the connecting plate 13 to move accordingly. The lower end of the connecting plate 13 drives the fixed shaft 14 to slide in the guide groove 15. At the same time, it drives the slider 12 to move accordingly. The slider 12 drives one end of the connecting plate 11 to move. The other end of the connecting plate 11 drives the slider 10 to slide on the guide rod 6. The slider 10 drives the push plate 8 to move upward through the connecting plate 9. The upper end of the push plate 8 inserts into the top block 7 and pushes the top block 7 to move upward. The top block 7 automatically ejects the workpiece in the lower mold.

[0031] The above description is merely an embodiment of this utility model and is not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of this utility model should be included within the scope of the claims of this utility model.

Claims

1. An automatic material return mechanism for hardware stamping, comprising a base (1), characterized in that: The base (1) is provided with a fixed plate (3), the fixed plate (3) and the base (1) are connected through a vertical rod (2), the vertical rod (2) is provided with a lifting plate (4), the base (1) is provided with a top block (7) on the upper portion, the base (1) is provided with a mounting plate (5) on the lower portion, the mounting plate (5) is provided with a guide rod (6), the guide rod (6) is provided with a sliding block (10), the lifting assembly is arranged between the sliding block (10) and the top block (7), and the transmission assembly is arranged between the lifting plate (4) and the mounting plate (5).

2. The automatic material return mechanism for hardware stamping according to claim 1, characterized in that: The lifting assembly comprises a push plate (8), the push plate (8) is arranged between the top block (7) and the guide rod (6), the push plate (8) is inserted with the top block (7), and the push plate (8) is connected with the sliding block (10) through a connecting plate (9).

3. The automatic material return mechanism for hardware stamping according to claim 1, characterized in that: The transmission assembly comprises a sliding block (12), the sliding block (12) is slidably arranged on the mounting plate (5), the driving member is arranged between the sliding block (12) and the mounting plate (5), and the sliding block (12) is connected with the sliding block (10) through a connecting plate (11).

4. The automatic material return mechanism for hardware stamping according to claim 3, characterized in that: The driving member comprises a connecting plate (13), one end of the connecting plate (13) is provided with an elastic member between the lifting plate (4), the other end of the connecting plate (13) is provided with a fixed shaft (14), one end of the fixed shaft (14) is arranged on the sliding block (12), the mounting plate (5) is provided with a guide groove (15), and the fixed shaft (14) is slidably arranged in the guide groove (15).

5. The automatic material return mechanism for hardware stamping according to claim 4, characterized in that: The elastic member comprises a sleeve (16), the sleeve (16) is rotatably connected with the connecting plate (13), the sleeve (16) is slidably provided with a vertical plate (17) on the upper end, the vertical plate (17) is arranged on the lifting plate (4) on the upper end, and the sleeve (16) is provided with a spring (18) between the vertical plate (17).

6. The automatic material return mechanism for hardware stamping according to claim 2, characterized in that: The mounting plate (5) is provided with a guide plate (19), the guide plate (19) is provided with a limiting groove (20) on the upper end, the top block (7) is provided with a limiting block (21), and the limiting block (21) is slidably arranged in the limiting groove (20).

7. The automatic material return mechanism for hardware stamping according to claim 6, characterized in that: The push plate (8) is provided with a groove, and the guide plate (19) is slidably arranged in the groove.

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