CN217595676U

CN217595676U - Flanging die

Info

Publication number: CN217595676U
Application number: CN202221279310.8U
Authority: CN
Inventors: 顾浩; 顾锦蕾
Original assignee: Qingdao Wanyuan Metal Products Co ltd
Current assignee: Qingdao Wanyuan Metal Products Co ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2022-10-18
Anticipated expiration: 2032-05-25

Abstract

The application relates to the technical field of machining, in particular to a flanging die. This application includes mould assembly and lower mould assembly, it includes first cylinder, second connecting plate and last moulding-die spare to go up mould assembly, first cylinder with second connecting plate upper wall is connected, second connecting plate lower wall is connected go up moulding-die spare, it is equipped with the third recess to go up moulding-die spare lower part, the first spring of third recess internal connection, die plate is connected to first spring sub-unit. According to the application, the upper pressing die piece moves downwards under the action of the first cylinder, the multiple workpieces are subjected to die pressing treatment, the lower portion of the lower die assembly is connected with the second spring and the guide post, the guide post can stretch into the support frame, and in the process of downward pressing of the upper pressing die piece, the second spring can be compressed, so that the impact force of the upper pressing die piece on a workpiece is reduced, and the workpiece is prevented from being broken by the upper pressing die piece.

Description

Flanging die

Technical Field

The application relates to the technical field of machining, in particular to a flanging die.

Background

The flanging process is a processing process for turning the outer edge of the plate into a whole edge by using a die and a process for punching the outer edge into a vertical state, and is widely applied to the processing processes of automobile manufacturing, mechanical equipment outer plates and the like.

Some workpieces require flanging to a particular shape, such as a stepped shape, see the stepped workpiece of FIG. 1. In the prior art, a flanging die comprises an upper die component, a lower die component and a positioning component, wherein the positioning component is arranged on the lower die component, a workpiece is conveyed to the positioning component by a conveying piece, the positioning component positions the workpiece, the lower die component is fixed, and then the upper die component with a specific shape matched with a step shape is used for die pressing. The workpiece is mostly flat metal plate before being pressed, and the stepped bent workpiece is obtained after being pressed.

In view of the above-described related art, the inventors believe that, in the case of the step-shaped burring, the upper die assembly moves downward by the air cylinder, and both ends of the step portion, which are close to the bent end portion of the workpiece and are far from the bent end portion of the workpiece, are subjected to a large shearing force, so that the step portion of the workpiece may be broken during the press molding.

SUMMERY OF THE UTILITY MODEL

In order to alleviate the cracked problem of work piece emergence, this application provides a turn-ups mould.

The application provides a turn-ups mould adopts following technical scheme:

the utility model provides a flanging die, includes mould assembly and lower mould assembly, mould assembly includes first cylinder, second connecting plate and last moulding-die spare, first cylinder with second connecting plate upper wall is connected, second connecting plate lower wall is connected go up the moulding-die spare, it is equipped with the third recess to go up moulding-die spare lower part, the first spring of third recess internal connection, the cope match-die plate board is connected to first spring sub-unit.

Through adopting above-mentioned technical scheme, the inside first spring that sets up of third recess, first cylinder downstream drives the cope match-plate pattern downstream, and when cope match-plate pattern and work piece butt, the compression of first spring goes up the mould spare and continues downstream, carries out the moulding-die to the work piece.

Optionally, the device further comprises a support frame, a second spring and a lower die assembly, wherein the lower die assembly is connected with the support frame in a sliding manner, the upper portion of the support frame is connected with the second spring, and the upper portion of the second spring is connected with the lower die assembly.

Through adopting above-mentioned technical scheme, lower mould subassembly sub-unit connection second spring, go up mould subassembly downstream and lower mould subassembly butt in, the second spring can downstream, makes the pressure reduction of mould subassembly to the work piece on going up, avoids the work piece to be pressed absolutely.

Optionally, the lower die assembly is provided with a guide post, the support frame is provided with a guide hole, and the guide post is inserted into the guide hole and connected with the support frame in a sliding manner.

Through adopting above-mentioned technical scheme, set up guide post and guiding hole, can play the guide effect to the motion of second spring.

Optionally, the lower portion of the support frame is connected with a second cylinder, and the side wall of the support frame is connected with a connecting frame in a sliding manner along the axial direction of the second cylinder.

Through adopting above-mentioned technical scheme, the second cylinder makes lower mould subassembly upward movement when the work piece needs the moulding-die, just descends when not needing the moulding-die.

Optionally, the lower die assembly comprises two first fixed blocks, two second fixed blocks and two second pressing modules, the second pressing module and the second fixed blocks are connected between the two first fixed blocks, the side wall of one side of the second pressing module is connected with the first pressing module, and a second groove is formed between the first pressing module and the second pressing module.

By adopting the technical scheme, the second pressing module and the first pressing module are arranged to press the workpiece into a desired shape, and the second fixing block is arranged to position the workpiece.

Optionally, a chamfer is arranged at the upper end of the side wall of one side of the second pressing module, and a fillet is arranged at the upper end of the side wall of one side of the first pressing module.

Through adopting above-mentioned technical scheme, correspond the setting with lower mould assembly's chamfer and fillet.

Optionally, the lower end of the inner wall of one side of the upper die pressing part is provided with a fillet, and the lower end of the side wall of one side of the upper die pressing plate is provided with a chamfer.

By adopting the technical scheme, the chamfer and the fillet are arranged for pressing the workpiece into a required shape.

Optionally, go up the upper positioning groove in the mould subassembly sub-unit connection, reference column down is connected to the backup pad upper wall down, lower reference column outer wall cover is equipped with the third spring, down the reference column can stretch into inside the last constant head tank.

Through adopting above-mentioned technical scheme, set up constant head tank and reference column, play the guide effect.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the upper die assembly moves downwards under the action of the first cylinder, the multiple workpieces are subjected to die pressing treatment, the lower part of the lower die assembly is connected with a second spring and a guide post, the guide post can extend into the support frame, and the second spring can be compressed in the process of pressing the upper die assembly downwards, so that the impact force of the upper die assembly on the workpiece is reduced, and the workpiece is prevented from being broken by the upper die assembly;

2. the lower part of the upper die part is provided with a bump, the lower part of the upper die part is provided with a third groove, a first spring is arranged in the third groove, the lower part of the first spring is connected with an upper die plate, when the upper die part moves downwards, the upper die plate is abutted against the second die block, the first spring is compressed, and the upper die part can continue to move downwards; during bending, one end of the step part, which is far away from the bending end part, is bent first, the other end of the step part is bent again, and the bending part is not simultaneously subjected to shearing force on two sides, so that the phenomenon of breakage is not easy to occur;

3. and a second groove is formed in the upper part of the second pressing module, and the lug on the upper pressing module can extend into the second groove.

Drawings

Fig. 1 is a front view of a burring workpiece.

Fig. 2 is an overall schematic view of a flanging die.

FIG. 3 is a cross-sectional view of an upper mold assembly of the flanging mold showing the internal structure.

FIG. 4 is a schematic view of a flanging die lower assembly.

Fig. 5 is a sectional view showing the main structure of a flanging die positioning assembly.

Description of reference numerals: 1. a work table; 11. an upper support plate; 12. a lower support plate; 2. an upper die assembly; 21. a first cylinder; 22. a first connecting plate; 23. a second connecting plate; 24. a die assembly; 241. pressing the mold part; 242. a first spring; 243. pressing the template upwards; 244. a bump; 245. a third groove; 3. a lower die assembly; 31. a positioning assembly; 311. a first fixed block; 312. a first groove; 313. a support block; 314. pressing the mold piece; 3141. a second groove; 3142. a first press module; 3143. a second press module; 315. a second fixed block; 32. a lifting assembly; 321. a fixing plate; 322. a guide post; 323. a second spring; 324. a support frame; 325. a second cylinder; 326. a connecting frame; 327. a fourth groove; 4. a workpiece; 41. a step portion; 5. a transmission member; 6. an upper positioning groove; 7. a lower positioning column; 8. and a third spring.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

Referring to fig. 1, the burring work 4 needs to be bent in a step shape, and a portion having both ends bent is a step portion 41.

The embodiment of the application discloses a flanging die.

Referring to fig. 2, the flanging die comprises a workbench 1, an upper die assembly 2 and a lower die assembly 3, wherein the workbench 1 is arranged in a C shape, the lower wall of an upper supporting plate 11 of the workbench 1 is connected with the upper die assembly 2, the upper die assembly 2 comprises a first cylinder 21, a first connecting plate 22 and a die assembly 24, the first cylinder 21 is arranged perpendicular to the upper wall of the upper supporting plate 11, the piston end of the first cylinder 21 extends into the upper supporting plate 11 and is vertically connected with the upper wall of the first connecting plate 22, the lower wall of the first connecting plate 22 is vertically connected with a second connecting plate 23, and the lower wall end of the second connecting plate 23 is vertically connected with the die assembly 24; the lower part of the upper die component 2 is provided with a lower die component 3, and the lower die component 3 is vertically connected to the upper wall of a lower supporting plate 12; go up backup pad 11 and 12 level settings of bottom suspension fagging, go up backup pad 11 lower wall tip and connect four and go up constant head tank 6 perpendicularly, go up constant head tank 6 inside vertical lower reference column 7 that is equipped with, lower reference column 7 lower extreme is connected 12 upper walls of bottom suspension fagging perpendicularly, and 7 overcoat of lower reference column are equipped with third spring 8, 8 upper ends of third spring and last reference column lower extreme butt.

Referring to fig. 3, the die assembly 24 includes an upper die member 241 and an upper die plate 243, the upper die member 241 is provided with a third groove 245, the bottom of the third groove 245 of the upper die member 241 is vertically connected with a first spring 242, the lower end of the first spring 242 is connected with the upper die plate 243, the upper die plate 243 can slide in the third groove 245, the lower end of the side wall of the upper die plate 243 near one side of the first cylinder 21 is provided with a chamfer, the side wall of the upper die plate 243 abuts against the inner wall of the upper die member 241, the lower end of the side wall of the lower portion of the upper die member 241 far away from the first cylinder 21 is connected with a lug 244, the lower end of the inner wall of the upper die member 241 near the lug 244 is provided with a fillet, the lower end of the side of the upper die member 241 is horizontal to the lower end of the upper die plate 243, the lower end of the upper die plate 243 extends out of the lower end of the other side of the upper die member 241, when the upper die member 241 moves downwards, the upper die member 241 abuts against the workpiece 4, the first spring 242 compresses, the upper die member 241 can continue to move downwards, and the upper die member 241 can press the workpiece 4.

Referring to fig. 4, the lower mold assembly 3 includes a lifting assembly 32 and a positioning assembly 31, the lifting assembly 32 is connected to an upper wall of the lower support plate 12, the lifting assembly 32 includes a support frame 324, a connecting frame 326 and guide posts 322, the upper wall of the lower support plate 12 is vertically connected to two connecting frames 326, the connecting frames 326 are disposed in parallel, the two connecting frames 326 are slidably connected to the support frame 324, a fourth groove 327 is formed at a lower portion of the support frame 324, a second air cylinder 325 is connected to an inner portion of the fourth groove 327, a piston end of the second air cylinder 325 is vertically connected to an upper inner wall of the support frame 324, the support frame 324 is provided with four guide holes in a vertical direction, the lower wall of the fixing plate 321 is vertically connected to the four guide posts 322, the four guide posts 322 extend into the guide holes of the support frame 324, the guide posts 322 can move up and down relative to the support frame 324, an upper end of the guide post 322 is horizontally connected to the fixing plate 321, and the second spring 323 is vertically connected between the fixing plate 321 and the support frame 324.

When the flanging process is carried out on the workpiece 4, the piston end of the second cylinder 325 moves upwards, and the whole structure connected with the support frame 324 moves upwards; when the mold does not work, the second cylinder 325 moves downwards, and the whole structure connected to the support frame 324 moves downwards.

The upper wall of the fixing plate 321 is provided with two first fixing blocks 311, a first groove 312 is arranged between the two first fixing blocks 311, the section of the first groove 312 is the same as that of the workpiece 4, a supporting block 313 is arranged in the first groove 312, the workpiece 4 is placed on the upper wall of the supporting block 313, and the side walls, opposite to the two positioning blocks, are abutted against the side walls of the workpiece 4 to limit the workpiece 4.

Referring to fig. 5, an end surface of the supporting block 313 along the length direction is connected with the lower die block 314, the lower die block 314 includes a first die block 3142 and a second die block 3143, a side wall of the second die block 3143 is connected with the end surface of the supporting block 313, a chamfer is arranged on an upper end of a side wall of the second die block 3143 far away from the supporting block 313, a side wall of the second die block 3143 far away from the supporting block 313 is connected with the first die block 3142, an upper wall of the second die block 3143 is horizontal to a lower end of the chamfer of the first die block 3142, a second groove 3141 is arranged between the first die block 3142 and the second die block 3143, and an upper end of an inner wall of the first die block 3142 near the second die block 3143 is provided with a round angle.

Referring to fig. 4 and 5, a side wall of one side of the second die block 3143 abuts against a side wall of the first fixed block 311, the other side of the second fixed block 315 is connected to the second fixed block 315, an upper wall of the second fixed block 315 is horizontal to the first fixed block 311, the other side of the second fixed block 315 abuts against an inner wall of the other first fixed block 311, the second fixed block 315 is higher than the supporting block 313, so that when the workpiece 4 moves to the supporting block 313, the workpiece 4 is limited, the lower die block 314 is arranged corresponding to the upper die block 241, the protrusion 244 can extend into the second groove 3141, the upper die block 241 moves downward to abut against the workpiece 4, a downward force is formed on the lower die block 314, the fixed plate 321 moves downward, the guide post 322 slides downward in the support frame 324, the second spring 323 is compressed, and a buffer effect is achieved on an impact force of the upper die block.

The implementation principle of the flanging die in the embodiment of the application is as follows: the workpiece 4 is conveyed to the supporting plate by the transmission part 5, the protruding end of the workpiece 4 moves to the upper end of the lower pressing module 314, the second fixing block 315 supports the sunken position of the workpiece 4, the workpiece 4 can not move any more, the upper die assembly 2 moves downwards under the action of the first air cylinder 21, the upper pressing module 241 presses the workpiece 4 downwards, and the workpiece 4 is positioned above the lower pressing module 314. During bending, one end of the step portion 41, which is far away from the bending end portion, is bent first, and the other end is bent again, so that the bending portion is not simultaneously subjected to shearing forces on two sides, and the fracture phenomenon is not easy to occur. When the upper die member 241 presses the workpiece 4 downward, the lower die assembly 3 also exerts an upward force on the workpiece 4, so that the protruding end of the workpiece 4 is molded into the shape of the surfaces of the upper die member 241 and the lower die member 314, and the second spring 323 is compressed when the upper die member 241 presses downward, thereby acting as a relief against the downward thrust of the upper die assembly 2.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a turn-ups mould which characterized in that: including last mould subassembly (2) and lower mould subassembly (3), it includes first cylinder (21), second connecting plate (23) and goes up die assembly (241) to go up mould subassembly (2), first cylinder (21) with second connecting plate (23) upper wall is connected, second connecting plate (23) lower wall is connected go up die assembly (241), it is equipped with third recess (245) to go up die assembly (241) lower part, first spring (242) of third recess (245) in-connection, die plate (243) are connected to first spring (242) lower part.

2. The flanging die of claim 1, characterized in that: still include support frame (324), second spring (323) and lower mould subassembly (3), lower mould subassembly (3) with support frame (324) slide and are connected, support frame (324) upper portion is connected second spring (323), lower mould subassembly (3) are connected on second spring (323) upper portion.

3. The flanging die of claim 2, characterized in that: lower mould subassembly (3) are equipped with guide post (322), support frame (324) are equipped with the guiding hole, guide post (322) insert the guiding hole with support frame (324) slide and are connected.

4. The flanging die of claim 3, characterized in that: the second cylinder (325) is connected to support frame (324) lower part, support frame (324) lateral wall is equipped with link (326) along second cylinder (325) axial sliding connection.

5. The flanging die of any one of claims 1-4, wherein: the lower die assembly (3) comprises a first fixing block (311), a second fixing block (315) and a second pressing module (3143), the number of the first fixing block (311) is two, the second pressing module (3143) and the second fixing block (315) are connected between the two first fixing blocks (311), the first pressing module (3142) is connected with the side wall of one side of the second pressing module (3143), and a second groove (3141) is formed between the first pressing module (3142) and the second pressing module (3143).

6. The flanging die of claim 5, characterized in that: the upper end of the side wall of one side of the second pressing module (3143) is provided with a chamfer, and the upper end of the side wall of one side of the first pressing module (3142) is provided with a fillet.

7. The flanging die of claim 5, characterized in that: the lower end of the inner wall of one side of the upper die part (241) is provided with a fillet, and the lower end of the side wall of one side of the upper die plate (243) is provided with a chamfer.