Sheet metal part stamping and bending die

Abstract

The utility model discloses a stamping and bending die for sheet metal parts in the technical field of bending dies, which comprises a base, a top frame and a lower die, the top frame is fixedly arranged at the top of the base, the lower die is fixedly arranged on the top surface of the base, a stamping part is arranged at the top of the top frame, two movable cavities are arranged in the base, and the two movable cavities are communicated with each other. The two movable cavities are symmetrical about the lower mold, movable rods are movably arranged in the movable cavities, and the two ends of each movable rod extend out of the base and are rotationally provided with gear rods; when the movable rod is started to move upwards to drive the gear rod to move upwards synchronously, the toothed plate drives the gear rod to rotate at the moment, so that the correction plate is controlled to move and correct the position of the sheet metal part, airflow in the movable cavity is pushed into the blowing pipe along with the upward movement of the movable rod, and then the blowing pipe sprays airflow to blow the sheet metal part. The possibility that sundries are attached to the surface of the sheet metal part to affect the bending effect is reduced, and therefore the bending effect of the sheet metal part is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of bending die, especially to a sheet metal stamping and bending die. BACKGROUND

[0002] Sheet metal parts refer to metal plates that are processed by stamping, bending, folding, welding and other processes to make various shapes and sizes of metal components or parts. Sheet metal parts usually have complex shapes such as curved surfaces, concave and convex surfaces, etc. During processing and production, the size accuracy and shape accuracy of sheet metal parts need to be ensured by bending dies. Bending dies have good repeatability, can maintain the consistency of sheet metal parts of the same shape and size, and ensure stable product quality. They are one of the important processes commonly used in sheet metal processing.

[0003] The existing patent (publication number: CN219074148U) discloses a stamping die for bending sheet metal parts, which belongs to the technical field of stamping dies. It includes a base, a fixed box fixedly arranged on the upper end of the base, a vertical plate fixedly arranged on the upper end of the base, a connecting plate arranged above the fixed box, and an installation plate fixedly arranged on the lower end of the connecting plate. It can push up the stamping plate body to facilitate the operator's purpose of unloading by setting a push rod. However, this technical solution still has shortcomings, as follows:

[0004] The device directly places the sheet metal part on the die for stamping during use. However, when the position of the sheet metal part is deviated or there are impurities attached to the surface of the sheet metal part, the stamping device may affect the stamping effect when stamping the sheet metal part. Therefore, we propose a sheet metal stamping and bending die to solve the above-mentioned problems. SUMMARY

[0005] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] Therefore, the utility model aims to provide a sheet metal stamping and bending die, which can solve the problem that the existing device directly places the sheet metal part on the die for stamping during use. However, when the position of the sheet metal part is deviated or there are impurities attached to the surface of the sheet metal part, the stamping device may affect the stamping effect when stamping the sheet metal part.

[0007] In order to solve the above technical problems, the utility model provides a sheet metal part stamping and bending die adopts the following technical scheme: including base, top frame and lower die, the top frame is fixedly arranged at the top of base, the lower die is fixedly arranged on the top surface of base, the top of top frame is provided with stamping part, the inside of base is provided with two movable cavities, two movable cavities are symmetrical about lower die, movable rod is movably arranged in movable cavity, the both ends of movable rod are provided with gear rod which rotates and sets out of base, the gear rod is provided with correction plate which is screwed, the top surface of base is fixedly provided with the gear plate corresponding with gear rod, the gear plate is engaged with gear rod, the top surface of base is fixedly inserted with blow -off pipe, the lower end of blow -off pipe is communicated with movable cavity.

[0008] By adopting the above technical scheme, first, the sheet metal part is placed on the lower die, then the movable rod is started to move upwards to drive the gear rod to move upwards synchronously, at this time, the gear rod is rotated by the gear plate to control the correction plate to move and correct the position of the sheet metal part, and the airflow in the movable cavity is pushed into the blow -off pipe as the movable rod moves upwards, then the sheet metal part is blown by the airflow sprayed through the blow -off pipe.

[0009] Optionally, the top surface of the lower die is provided with a plurality of round holes, and a plurality of top rods are movably inserted into the round holes.

[0010] By adopting the above technical scheme, the top rod is installed through the round hole.

[0011] Optionally, one end of the top rod inserted into the round hole is connected to the inner bottom wall of the round hole through a spring, and the plurality of top rods are divided into two groups, and the length of the top rods close to the blow -off pipe is twice the length of the other group of top rods.

[0012] By adopting the above technical scheme, when the stamping part is separated from the sheet metal part, the top rod is pushed upwards by the spring to push the sheet metal part upwards, and the two groups of top rods are completely stretched out to form an inclined angle.

[0013] Optionally, the stamping part comprises a cylinder and a stamping block, the cylinder is fixedly arranged on the top of the top frame, and the extending end of the cylinder passes through the top frame and is fixedly connected with the stamping block.

[0014] By adopting the above technical scheme, the stamping block is moved by the cylinder, and the stamping block is lowered to cooperate with the lower die to bend the sheet metal part.

[0015] Optionally, the movable rod comprises two vertical plates, a horizontal plate and an electric push rod, the horizontal plate is movably arranged in the movable cavity, the two vertical plates are fixedly arranged at the two ends of the horizontal plate, the extending end of the electric push rod is inserted into the movable cavity and fixedly connected with the horizontal plate, and the top of the horizontal plate extends out of the base.

[0016] By adopting the technical scheme, the horizontal plate and the two vertical plates are conveniently moved up and down by the electric push rod, the gear rod is moved up synchronously when the vertical plate is moved up, and the gear rod is conveniently rotated by the toothed plate.

[0017] Optionally, the gear rod comprises a transmission gear and a reciprocating screw rod, the reciprocating screw rod is rotatably inserted at one end of the horizontal plate extending out of the base, the gear rod is fixedly sleeved at one end of the reciprocating screw rod penetrating through the horizontal plate, and the transmission gear is engaged with the toothed plate.

[0018] By adopting the technical scheme, the transmission gear and the reciprocating screw rod are rotated by the toothed plate when the gear rod is moved up along with the vertical plate.

[0019] Optionally, the correction plate is threadedly sleeved at two ends of the two reciprocating screw rods, and a plurality of rubber strips are fixedly arranged on the side of the correction plate facing the lower die.

[0020] By adopting the technical scheme, the correction plate is reciprocated along the axial direction of the reciprocating screw rod when the reciprocating screw rod is rotated, so that the position of the sheet metal part is corrected by the correction plate.

[0021] Optionally, the blowing pipe comprises a nozzle and an air guide pipe, the lower end of the air guide pipe is inserted into the base and communicates with the movable cavity, the nozzle is fixedly arranged at the upper end of the air guide pipe, and the air injection end of the nozzle is bent towards the lower die.

[0022] By adopting the technical scheme, the air flow in the movable cavity is pushed into the air guide pipe when the horizontal plate is moved up by the electric push rod, and the air flow is injected by the nozzle to conveniently blow off the sundries on the surface of the sheet metal part.

[0023] In summary, the utility model has at least one of the following beneficial effects:

[0024] When the movable rod is started to move up to drive the gear rod to move up synchronously, the gear rod is rotated by the toothed plate at this time, so that the correction plate is controlled to move and correct the position of the sheet metal part, and the air flow in the movable cavity is pushed into the blowing pipe when the movable rod moves up, and the air flow is injected by the blowing pipe to blow off the sheet metal part, so as to reduce the possibility that the sundries attached to the surface of the sheet metal part affect the bending effect of the sheet metal part, and thus the bending effect of the sheet metal part is better.

[0025] When the stamping part is separated from the sheet metal part, the top rod is pushed up by the spring to push the sheet metal part up, and the two groups of top rods present an inclination angle after being completely extended, so that the sheet metal part is conveniently slid out of the lower die to realize the material return of the sheet metal part. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0027] Fig. 1 It is a three-dimensional structure schematic view of the present application;

[0028] Fig. 2 It is a local three-dimensional structure expansion section view of the present application;

[0029] Fig. 3 It is a local three-dimensional structure section view of the present application.

[0030] The figure mark explanation: 1, base; 2, top frame; 3, lower mould; 31, round hole; 32, ejector rod; 33, spring; 4, stamping part; 41, air cylinder; 42, stamping block; 5, movable cavity; 6, movable rod; 61, vertical plate; 62, horizontal plate; 63, electric push rod; 7, gear rod; 71, transmission gear; 72, reciprocating screw rod; 8, correction plate; 81, rubber strip; 9, toothed plate; 10, purge pipe; 101, nozzle; 102, air guide pipe. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings Figs. 1-3 The present application will be further described in detail.

[0032] Embodiment one, refer to Figs. 1-3 In the present embodiment, in order to solve the problem that the existing device directly places the sheet metal part on the mould for stamping when in use, however, when the position of the sheet metal part is deviated or the surface of the sheet metal part is attached with sundries, the stamping device is easy to affect the stamping effect when stamping the sheet metal part, the present application discloses a sheet metal part stamping and bending mould,

[0033] It comprises base 1, top frame 2 and lower mould 3, the top frame 2 is fixedly arranged at the top of the base 1, the lower mould 3 is fixedly arranged on the top surface of the base 1, the top of the top frame 2 is provided with stamping part 4, the stamping part 4 comprises air cylinder 41 and stamping block 42, the air cylinder 41 is fixedly arranged at the top of the top frame 2, the protruding end of the air cylinder 41 passes through the top frame 2 and is fixedly connected with the stamping block 42, the air cylinder 41 is convenient for pushing the stamping block 42 to move, and the stamping block 42 is cooperated with the lower mould 3 to bend the sheet metal part when moving downward.

[0034] The inside of the base 1 is provided with two movable cavities 5, the two movable cavities 5 are symmetrical about the lower die 3, a movable rod 6 is movably arranged in the movable cavity 5, both ends of the movable rod 6 extend out of the base 1 and are rotatably provided with a gear rod 7, the movable rod 6 comprises two vertical plates 61, a horizontal plate 62 and an electric push rod 63, the horizontal plate 62 is movably arranged in the movable cavity 5, the two vertical plates 61 are fixedly arranged at both ends of the horizontal plate 62, the extending end of the electric push rod 63 is inserted into the movable cavity 5 and is fixedly connected with the horizontal plate 62, the top of the horizontal plate 62 extends out of the base 1, the horizontal plate 62 and the two vertical plates 61 are moved up and down by the electric push rod 63, when the vertical plate 61 moves up, the gear rod 7 moves synchronously.

[0035] A correction plate 8 is threadedly sleeved on the gear rod 7, a toothed plate 9 corresponding to the gear rod 7 is fixedly arranged on the top surface of the base 1, the toothed plate 9 is engaged with the gear rod 7, when the movable rod 6 moves up, the gear rod 7 moves up synchronously, at this time, the gear rod 7 is rotated by the toothed plate 9, thereby controlling the correction plate 8 to move and correcting the position of the sheet metal part.

[0036] A blowing pipe 10 is fixedly inserted on the top surface of the base 1, the lower end of the blowing pipe 10 communicates with the movable cavity 5, the blowing pipe 10 comprises a nozzle 101 and an air guide pipe 102, the lower end of the air guide pipe 102 is inserted into the base 1 and communicates with the movable cavity 5, the nozzle 101 is fixedly arranged at the upper end of the air guide pipe 102, the jet end of the nozzle 101 is curved towards the direction of the lower die 3, as the movable rod 6 moves up, the airflow in the movable cavity 5 is pushed into the blowing pipe 10, and then the airflow is jetted through the blowing pipe 10 to blow the sheet metal part.

[0037] The specific working principle is: first, the sheet metal part is placed on the lower die 3, then the movable rod 6 is started to move up to drive the gear rod 7 to move up synchronously, at this time, the gear rod 7 is rotated by the toothed plate 9, thereby controlling the correction plate 8 to move and correcting the position of the sheet metal part, and as the movable rod 6 moves up, the airflow in the movable cavity 5 is pushed into the blowing pipe 10, and then the airflow is jetted through the blowing pipe 10 to blow the sheet metal part, so as to reduce the possibility that the attachment of sundries on the surface of the sheet metal part affects the bending effect, finally, the stamping part 4 is started to cooperate with the lower die 3 to bend the sheet metal part.

[0038] Embodiment two, refer to Figs. 2-3 , based on the same concept as the above embodiment one, the sheet metal part stamping and bending die further comprises:

[0039] A plurality of round holes 31 are formed on the top surface of the lower die 3, a plurality of top rods 32 are movably inserted into the plurality of round holes 31, the round holes 31 facilitate the installation of the top rods 32.

[0040] The end of the top rod 32 inserted into the round hole 31 is connected with the inner bottom wall of the round hole 31 through the spring 33, a plurality of top rods 32 are divided into two groups, the length of the top rod 32 close to the blowing pipe 10 is twice the length of the other group of top rods 32, when the stamping part 4 is separated from the sheet metal part, the top rod 32 is pushed up by the spring 33 and pushes the sheet metal part up, and after the two groups of top rods 32 are completely stretched out, an inclined angle is formed, so that the sheet metal part is conveniently slid out of the lower mold 3, so as to realize the material returning of the sheet metal part.

[0041] The specific working principle is: through the round hole 31, the top rod 32 is conveniently installed, when the stamping part 4 is separated from the sheet metal part, the top rod 32 is pushed up by the spring 33 and pushes the sheet metal part up, and after the two groups of top rods 32 are completely stretched out, an inclined angle is formed, so that the sheet metal part is conveniently slid out of the lower mold 3, so as to realize the material returning of the sheet metal part.

[0042] Embodiment three, refer to Figs. 2-3 , based on the same idea as the above embodiment one, the sheet metal part stamping and bending die further comprises:

[0043] The gear rod 7 comprises a transmission gear 71 and a reciprocating screw rod 72, the reciprocating screw rod 72 is rotatably inserted into one end of the horizontal plate 62 extending out of the base 1, the gear rod 7 is fixedly sleeved on one end of the reciprocating screw rod 72 penetrating through the horizontal plate 62, the transmission gear 71 is engaged with the toothed plate 9, when the gear rod 7 is moved up along with the vertical plate 61, the transmission gear 71 and the reciprocating screw rod 72 are rotated through the toothed plate 9, and the correction plate 8 is reciprocated along the axial direction of the reciprocating screw rod 72 with the rotation of the reciprocating screw rod 72.

[0044] The two ends of the correction plate 8 are respectively threadedly sleeved on the two reciprocating screw rods 72, and a plurality of rubber strips 81 are fixedly arranged on the side of the correction plate 8 facing the lower mold 3, when the reciprocating screw rod 72 is rotated, the correction plate 8 is reciprocated along the axial direction of the reciprocating screw rod 72, so that the position of the sheet metal part is corrected through the correction plate 8, and the possibility of the sheet metal part being pinched by the correction plate 8 is reduced through the rubber strips 81.

[0045] The specific working principle is: when the gear rod 7 is moved up along with the vertical plate 61, the transmission gear 71 and the reciprocating screw rod 72 are rotated through the toothed plate 9, and the correction plate 8 is reciprocated along the axial direction of the reciprocating screw rod 72 with the rotation of the reciprocating screw rod 72, so that the position of the sheet metal part is corrected through the correction plate 8, and the possibility of the sheet metal part being pinched by the correction plate 8 is reduced through the rubber strips 81.

[0046] The above are all preferred embodiments of the present application, not limited to the protection scope of the present application, therefore: all equivalent changes made according to the structure, shape and principle of the present application should be covered in the protection scope of the present application.

Claims

1. A stamping and bending die for sheet metal parts, comprising a base (1), a top frame (2) and a lower die (3), characterized in that: The top frame (2) is fixedly arranged on the top of the base (1), the lower mold (3) is fixedly arranged on the top surface of the base (1), the top of the top frame (2) is provided with a punching part (4), the inside of the base (1) is provided with two movable cavities (5), the two movable cavities (5) are symmetrical about the lower mold (3), the movable cavities (5) are movably provided with movable rods (6), the two ends of the movable rods (6) are arranged outside the base (1) and rotatably provided with gear rods (7), the gear rods (7) are threadedly sleeved with correction plates (8), the top surface of the base (1) is fixedly provided with toothed plates (9) corresponding to the gear rods (7), the toothed plates (9) are engaged with the gear rods (7), the top surface of the base (1) is fixedly inserted with a blowing pipe (10), and the lower end of the blowing pipe (10) is communicated with the movable cavities (5).

2. The stamping and bending die for a sheet metal member according to claim 1, characterized in that: The top surface of the lower mold (3) is provided with a plurality of round holes (31), and the plurality of round holes (31) are movably inserted with top rods (32).

3. The stamping and bending die for a sheet metal part according to claim 2, characterized in that: The end of the top rod (32) inserted into the round hole (31) is connected with the inner bottom wall of the round hole (31) through the spring (33), and the plurality of top rods (32) are divided into two groups, and the length of the top rod (32) close to the blowing pipe (10) is twice the length of the other group of top rods (32).

4. The stamping and bending die for a sheet metal member according to claim 1, characterized in that: The punching part (4) comprises a gas cylinder (41) and a punching block (42), the gas cylinder (41) is fixedly arranged on the top of the top frame (2), and the protruding end of the gas cylinder (41) penetrates through the top frame (2) and is fixedly connected with the punching block (42).

5. The stamping and bending die for a sheet metal part according to claim 1, characterized in that: The movable rod (6) comprises two vertical plates (61), a horizontal plate (62) and an electric push rod (63), the horizontal plate (62) is movably arranged in the movable cavity (5), the two vertical plates (61) are fixedly arranged at the two ends of the horizontal plate (62), the protruding end of the electric push rod (63) is inserted into the movable cavity (5) and is fixedly connected with the horizontal plate (62), and the top of the horizontal plate (62) protrudes out of the base (1).

6. The stamping and bending die for a sheet metal part according to claim 5, characterized in that: The gear rod (7) comprises a transmission gear (71) and a reciprocating screw rod (72), the reciprocating screw rod (72) is rotatably inserted at one end of the horizontal plate (62) protruding out of the base (1), the gear rod (7) is fixedly sleeved on one end of the reciprocating screw rod (72) penetrating through the horizontal plate (62), and the transmission gear (71) is engaged with the toothed plate (9).

7. The stamping and bending die for a sheet metal part according to claim 6, characterized in that: The two ends of the correction plate (8) are threadedly sleeved on the two reciprocating screw rods (72), respectively, and a plurality of rubber strips (81) are fixedly arranged on the side of the correction plate (8) facing the lower mold (3).

8. The stamping and bending die for a sheet metal part according to claim 1, characterized in that: The blowing pipe (10) comprises a nozzle (101) and an air guide pipe (102), the lower end of the air guide pipe (102) is inserted into the base (1) and communicated with the movable cavity (5), the nozzle (101) is fixedly arranged on the upper end of the air guide pipe (102), and the jet end of the nozzle (101) is bent towards the direction of the lower mold (3).

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