Sheet metal part machining flanging die

Abstract

The utility model discloses a flanging die for sheet metal part machining, and relates to the technical field of sheet metal part machining. The mold comprises a bottom plate, the top of the bottom plate is fixedly connected with a mold frame, the rear end of the top of the bottom plate is fixedly connected with a supporting column, and the top of the front face of the supporting column is fixedly connected with a top plate; an ejection assembly is arranged at the bottom of the top plate and comprises a connecting plate, the connecting plate is arranged at the bottom of the top plate, pressing rods are fixedly connected to the periphery of the bottom of the connecting plate, and contact blocks are fixedly connected to the bottom ends of the pressing rods. According to the sheet metal part flanging device, through driving of the second air cylinder, the two sides of the sheet metal part can be clamped by the inclined block on one side of the flanging roller while the flanging roller is used for flanging the sheet metal part, so that the sheet metal part is conveniently taken out from the surface of the lower die through the first air cylinder after the sheet metal part is flanged, and the sheet metal part can be conveniently taken out through resetting of the second air cylinder. The inclined block is separated from the sheet metal part, and the purpose of automatically taking out the sheet metal part is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of sheet metal processing, in particular to a sheet metal processing flanging die. Background Art

[0002] The flanging die in sheet metal processing is a die tool used for flanging operations during sheet metal processing. Flanging refers to bending the edge of a metal sheet into an angle or shape to increase its strength or improve its appearance. The flanging die is usually made of hard metal and has a specific shape and size. It can accurately form the edge of a metal sheet into the desired angle or shape through pressure or mechanical operation.

[0003] In the prior art, the flanging mold in sheet metal processing, after the sheet metal is stamped and flanged by the stamping mold, the flange of the sheet metal will be embedded in the two sides of the mold, which makes it cumbersome and inconvenient to operate when removing the sheet metal after the flange. Manual removal may cause the flange of the sheet metal to be worn, affecting the quality of sheet metal processing.

[0004] To this end, we provide a sheet metal flanging die to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a sheet metal flanging die, which solves the problem of the flanging die in sheet metal processing in the prior art that it is inconvenient to remove the sheet metal from the die after flanging through the cooperation of an ejection component and a limit component.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is a sheet metal processing flanging die, comprising a bottom plate, a die frame is fixedly connected to the top of the bottom plate, a pillar is fixedly connected to the rear end of the top of the bottom plate, and a top plate is fixedly connected to the top of the front of the pillar;

[0008] The top plate is provided with an ejection assembly at the bottom, and the ejection assembly includes a connecting plate, the connecting plate is provided at the bottom of the top plate, the bottom of the connecting plate is fixedly connected with pressure rods on all sides, the bottom end of the pressure rod is fixedly connected with a contact block, the inner cavity of the mold frame is fixedly connected with a rebound sleeve on all sides, the bottom of the inner cavity of the rebound sleeve is fixedly connected with a first spring, and the top of the first spring is fixedly connected with a rebound block;

[0009] The inner cavity of the mold frame is provided with a limiting assembly, and the limiting assembly includes a lower mold, and the lower mold is fixedly connected to the inner cavity of the mold frame. The bottom of the top plate is fixedly connected to a first cylinder, the bottom end of the first cylinder is fixedly connected to the top of the connecting plate, and the bottom of the connecting plate is fixedly connected to an upper mold.

[0010] The utility model is further configured such that brackets are fixedly connected to both sides of the top of the connecting plate, a second cylinder is fixedly connected to the top of the inner cavity of the bracket, a cross plate is fixedly connected to the bottom end of the second cylinder, and a flanging roller is fixedly connected to the bottom of the cross plate.

[0011] The utility model is further configured that a second spring is fixedly connected to the top of one side of the inner cavity of the flanging roller, and an inclined block is fixedly connected to one end of the second spring.

[0012] The utility model is further configured that a moving groove is opened on one side of the inner cavity of the rebound sleeve, an ejection plate is fixedly connected to one side of the rebound block, and one side of the ejection plate extends to the outside of the rebound sleeve through the inner cavity of the moving groove.

[0013] The utility model is further configured that sliding grooves are provided around the inner cavity of the lower mold, and one side of the ejection plate is slidably connected to the inner cavity of the sliding groove.

[0014] The utility model is further configured that circular holes are opened on both sides of the inner cavity of the connecting plate, and the bottom end of the second cylinder extends to the outside of the connecting plate through the inner cavity of the circular hole.

[0015] The utility model is further configured that a limiting groove is provided on the top of the front inner cavity of the pillar, the back of the connecting plate is fixedly connected to the limiting plate, and the rear end of the limiting plate is slidably connected to the inner cavity of the limiting groove.

[0016] The utility model is further configured that a square groove is opened on the top of one side of the inner cavity of the flanging roller, one side of the inner cavity of the square groove is fixedly connected to one end of the second spring, and the surface of the inclined block extends to the outside of the flanging roller through the inner cavity of the square groove.

[0017] The utility model has the following beneficial effects:

[0018] 1. The utility model is driven by the second cylinder so that the flanging roller can flanging the sheet metal part while the inclined block on one side of the flanging roller clamps the two sides of the sheet metal part, so that the sheet metal part can be taken out from the lower mold surface by the first cylinder after the sheet metal part is flanging. The inclined block is separated from the sheet metal part by resetting the second cylinder, so as to achieve the purpose of automatically taking out the sheet metal part.

[0019] 2. The utility model is driven by the first cylinder so that the upper mold can clamp the sheet metal on the top of the lower mold to facilitate flanging the sheet metal. The drive of the first cylinder can make the contact block at the bottom end of the pressure rod squeeze the rebound block, so that the ejector plate moves downward to avoid affecting the flanging of the flanging roller. After the flanging is completed, the first cylinder can make the ejector plate push the edge of the sheet metal upward, and cooperate with the clamping bevel block to take out the sheet metal.

[0020] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for describing the embodiments are briefly introduced below.

[0022] Figure 1 It is a structural stereogram of a sheet metal flanging die;

[0023] Figure 2 This is an exploded view of the top plate bottom structure and pillars in a sheet metal flanging die;

[0024] Figure 3 This is an exploded view of the internal structure of a flanging roller in a sheet metal flanging die;

[0025] Figure 4 A cross-sectional view of a die frame in a sheet metal flanging die;

[0026] Figure 5 This is an exploded view of the internal structure of a rebound sleeve in a sheet metal flanging die.

[0027] In the attached figure: 1, bottom plate; 2, mold frame; 3, pillar; 4, top plate; 5, connecting plate; 6, pressure rod; 7, contact block; 8, rebound sleeve; 9, first spring; 10, rebound block; 11, lower mold; 12, first cylinder; 13, upper mold; 14, bracket; 15, second cylinder; 16, cross plate; 17, flanging roller; 18, second spring; 19, inclined block; 20, ejector plate; 21, limit plate. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described below in conjunction with the drawings in the embodiments of the present invention. The described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Specific embodiment 1

[0030] See also Figure 1-5The utility model is a sheet metal processing flanging mold, including a bottom plate 1, a mold frame 2 is fixedly connected to the top of the bottom plate 1, a pillar 3 is fixedly connected to the rear end of the top of the bottom plate 1, and a top plate 4 is fixedly connected to the front top of the pillar 3; an ejection assembly is arranged at the bottom of the top plate 4, and the ejection assembly includes a connecting plate 5, which is arranged at the bottom of the top plate 4, and a pressure rod 6 is fixedly connected to the bottom of the connecting plate 5 around the bottom, and a contact block 7 is fixedly connected to the bottom end of the pressure rod 6, and a rebound sleeve 8 is fixedly connected to the inner cavity of the mold frame 2 around the inner cavity, and a first spring 9 is fixedly connected to the bottom of the inner cavity of the rebound sleeve 8, and a rebound block 10 is fixedly connected to the top of the first spring 9; a limiting assembly is arranged in the inner cavity of the mold frame 2, and the limiting assembly includes a lower mold 11, and the lower mold 11 is fixedly connected to the inner cavity of the mold frame 2, a first cylinder 12 is fixedly connected to the bottom of the top plate 4, and the bottom of the first cylinder 12 is fixedly connected to the top of the connecting plate 5, and an upper mold 13 is fixedly connected to the bottom of the connecting plate 5.

[0031] Specifically: when it is necessary to use the flanging mold, the bottom plate 1 can be first fixed in the area where the flanging is required. The lower mold 11 of the inner cavity of the mold frame 2 is located at the center of the inner cavity. There is a gap between the two sides of the lower mold 11 and the two sides of the inner cavity of the mold frame 2, so as to place the rebound sleeve 8 and provide a moving space for the flanging roller 17. The pillar 3 is located at the rear end of the top of the bottom plate 1 to provide support for the top plate 4. The top plate 4 and the connecting plate 5 are connected by the first cylinder 12. There are four pressure rods 6, which are respectively located around the bottom of the connecting plate 5. The surface of the pressure rod 6 is slidably connected to the inner cavity of the rebound sleeve 8, the bottom end of the first spring 9 is fixed to the bottom of the inner cavity of the rebound sleeve 8, and the top end is fixed to the bottom of the rebound block 10. The surface of the rebound block 10 slides in contact with the inner wall of the rebound sleeve 8 to limit the movement of the rebound block 10. The top end of the first cylinder 12 is fixed to the bottom of the top plate 4, and the bottom end is fixed to the top of the connecting plate 5. Specific embodiment 2

[0033] See also Figure 1-5On the basis of the specific embodiment 1, both sides of the top of the connecting plate 5 are fixedly connected with a bracket 14, the top of the inner cavity of the bracket 14 is fixedly connected with a second cylinder 15, the bottom of the second cylinder 15 is fixedly connected with a cross plate 16, the bottom of the cross plate 16 is fixedly connected with a flanging roller 17, the top of one side of the inner cavity of the flanging roller 17 is fixedly connected with a second spring 18, one end of the second spring 18 is fixedly connected with an inclined block 19, a moving groove is opened on one side of the inner cavity of the rebound sleeve 8, and a ejection plate 20 is fixedly connected to one side of the rebound block 10, and one side of the ejection plate 20 extends to the outside of the rebound sleeve 8 through the inner cavity of the moving groove , slide grooves are provided around the inner cavity of the lower mold 11, one side of the ejector plate 20 is slidably connected to the inner cavity of the slide groove, round holes are provided on both sides of the inner cavity of the connecting plate 5, the bottom end of the second cylinder 15 extends to the outside of the connecting plate 5 through the inner cavity of the round hole, a limiting groove is provided on the top of the front inner cavity of the pillar 3, and the back of the connecting plate 5 is fixedly connected to the limiting plate 21, and the rear end of the limiting plate 21 is slidably connected to the inner cavity of the limiting groove, a square groove is provided on the top of one side of the inner cavity of the flanging roller 17, and one side of the square groove inner cavity is fixedly connected to one end of the second spring 18, and the surface of the inclined block 19 extends to the outside of the flanging roller 17 through the inner cavity of the square groove.

[0034] Specifically: the bracket 14 is located on both sides of the top of the connecting plate 5, and a second cylinder 15 is fixedly connected to the top of the inner cavity of each bracket 14. The bottom end of the second cylinder 15 extends to the outside of the connecting plate 5 through the circular hole inner cavity. The length of the cross plate 16 is relatively long, so as to drive the flanging roller 17 to evenly flanging one side of the sheet metal part. The square groove inner cavity at the top of one side of the inner cavity of the flanging roller 17 is provided with a second spring 18 and an inclined block 19. One end of the second spring 18 is fixed to one side of the square groove inner cavity, and the other end is fixed to one side of the inclined block 19. The other side of the inclined block 19 extends to the outside of the flanging roller 17 through the square groove inner cavity.

[0035] A movable groove is provided on one side of the inner cavity of the four rebound sleeves 8, so that the ejection plate 20 can extend from the inner cavity of the rebound sleeve 8 to one side of the inner cavity of the lower mold 11. When the ejection plate 20 moves upward, it can drive the edge of the sheet metal to move upward, which is convenient for ejecting the sheet metal from the surface of the lower mold 11. One side of the ejection plate 20 is slidably connected to the inner cavity of the slide groove, and the slide groove has a limiting effect on the movement of the ejection plate 20. The inner cavity of the limiting groove is slidably connected to the rear end of the limiting plate 21, which can limit the movement of the connecting plate 5.

[0036] The working principle of the utility model is as follows: when the sheet metal part needs to be processed with the flanging die, the sheet metal part to be processed is first placed on the top of the lower die 11, and then the first cylinder 12 is started through the external controller, and the first cylinder 12 drives the connecting plate 5 to move downward, and the connecting plate 5 drives the upper die 13 to move, and the upper die 13 moves to the top of the lower die 11, so as to clamp and limit the sheet metal part. When the connecting plate 5 moves, the pressure rod 6 moves with it, and the pressure rod 6 drives the contact block 7 to squeeze the rebound block 10 in the inner cavity of the rebound sleeve 8, and the rebound block 10 squeezes the first spring 9 to shrink it, so that the rebound block 10 moves downward, and the rebound block 10 drives the ejection plate 20 to move downward, so that the sheet metal part can be limited and the ejection preparation of the sheet metal part after flanging can be performed;

[0037] When the first cylinder 12 drives the connecting plate 5 to move, it also drives the bracket 14 to move, the bracket 14 drives the second cylinder 15 to move, the second cylinder 15 drives the cross plate 16 to move, the cross plate 16 drives the flanging roller 17 to move, after the sheet metal part is limited, the second cylinder 15 can be started by the external controller, the second cylinder 15 drives the cross plate 16 to continue to move downward, the cross plate 16 drives the flanging roller 17 to move, the flanging roller 17 performs flanging work on the edge of the sheet metal part, and at the same time the flanging roller 17 drives the inclined block 19 to move, so that the inclined block 19 is closely fitted with the edge of the sheet metal part under the cooperation of the second spring 18, so that the flanging work can be completed;

[0038] After the flanging is completed, the first cylinder 12 is started to drive the connecting plate 5 to move in the opposite direction, so that the pressure rod 6 is separated from the rebound block 10, so that the first spring 9 drives the ejection plate 20 to move upward to eject the sheet metal. At the same time, the first cylinder 12 drives the flanging roller 17 to move when it moves, so that the inclined blocks 19 clamping both sides of the sheet metal drive the sheet metal to move upward, and the sheet metal is separated from the lower mold 11. At this time, the second cylinder 15 is started to reset the flanging roller 17, and the flanging roller 17 drives the inclined block 19 to move, so that one side of the inclined block 19 is separated from one side of the sheet metal, and the sheet metal can be taken out.

[0039] The standard parts used in the present invention can all be purchased from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. The control method is automatically controlled by a control unit. The control circuit of the control unit can be realized by simple programming by technicians in this field, which belongs to the common knowledge in this field. Therefore, the control method and circuit connection are no longer explained in detail in the present invention.

[0040] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model.

Claims

1. A sheet metal flanging die, comprising a base plate (1), characterized in that: The top of the bottom plate (1) is fixedly connected to a mold frame (2), the rear end of the top of the bottom plate (1) is fixedly connected to a support (3), and the top of the front of the support (3) is fixedly connected to a top plate (4); An ejection assembly is arranged at the bottom of the top plate (4), and the ejection assembly comprises a connecting plate (5), the connecting plate (5) is arranged at the bottom of the top plate (4), the bottom of the connecting plate (5) is fixedly connected with a pressure rod (6) on all sides, the bottom end of the pressure rod (6) is fixedly connected with a contact block (7), the inner cavity of the mold frame (2) is fixedly connected with a rebound sleeve (8) on all sides, the bottom of the inner cavity of the rebound sleeve (8) is fixedly connected with a first spring (9), and the top of the first spring (9) is fixedly connected with a rebound block (10); The inner cavity of the mold frame (2) is provided with a limit assembly, the limit assembly comprising a lower mold (11), the lower mold (11) is fixedly connected to the inner cavity of the mold frame (2), the bottom of the top plate (4) is fixedly connected to a first cylinder (12), the bottom end of the first cylinder (12) is fixedly connected to the top of the connecting plate (5), and the bottom of the connecting plate (5) is fixedly connected to an upper mold (13).

2. A sheet metal flanging die according to claim 1, characterized in that: Both sides of the top of the connecting plate (5) are fixedly connected to brackets (14), the top of the inner cavity of the bracket (14) is fixedly connected to a second cylinder (15), the bottom end of the second cylinder (15) is fixedly connected to a transverse plate (16), and the bottom of the transverse plate (16) is fixedly connected to a flanging roller (17).

3. A sheet metal flanging die according to claim 2, characterized in that: A second spring (18) is fixedly connected to the top of one side of the inner cavity of the flanging roller (17), and an inclined block (19) is fixedly connected to one end of the second spring (18).

4. A sheet metal flanging die according to claim 1, characterized in that: A movable groove is provided on one side of the inner cavity of the rebound sleeve (8), and an ejection plate (20) is fixedly connected to one side of the rebound block (10), and one side of the ejection plate (20) extends to the outside of the rebound sleeve (8) through the inner cavity of the movable groove.

5. A sheet metal flanging die according to claim 4, characterized in that: The inner cavity of the lower mold (11) is provided with sliding grooves all around, and one side of the ejection plate (20) is slidably connected to the inner cavity of the sliding groove.

6. The sheet metal flanging die according to claim 2, characterized in that: Circular holes are provided on both sides of the inner cavity of the connecting plate (5), and the bottom end of the second cylinder (15) extends to the outside of the connecting plate (5) through the inner cavity of the circular hole.

7. The sheet metal flanging die according to claim 1, characterized in that: A limiting groove is provided at the top of the front inner cavity of the pillar (3); the back of the connecting plate (5) is fixedly connected to the limiting plate (21); and the rear end of the limiting plate (21) is slidably connected to the inner cavity of the limiting groove.

8. The sheet metal flanging die according to claim 3, characterized in that: A square groove is provided at the top of one side of the inner cavity of the flanging roller (17), one side of the inner cavity of the square groove is fixedly connected to one end of the second spring (18), and the surface of the inclined block (19) extends through the inner cavity of the square groove to the outside of the flanging roller (17).

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