CN118218458A - Mould flanging device - Google Patents

Abstract

The invention discloses a die flanging device, which comprises a movable die; the top of the fixed die is provided with a fixed cover, the bottom of the positioning column penetrates through the fixed cover in a sliding manner and stretches into the side wall of the fixed die, one side of the fixed cover is provided with a pressing plate in a sliding manner, two ends of the pressing plate are fixedly provided with connecting plates, one end, far away from the pressing plate, of the connecting plates is provided with a limiting mechanism, and a transmission mechanism is arranged between the pressing plate and the fixed die; during the use, insert the square board that corresponds with the one end of work piece, promote square board and remove to fixed lid, and then make spout and short board cooperation drive L board and fly leaf remove, and square board removes and makes the baffle downwardly moving through tooth's socket and gear cooperation, then when second gag lever post and spacing hole separation, connecting plate and pressure strip downwardly moving accomplish the fixed of compressing tightly to the work piece, first gag lever post then can carry out spacingly to the connecting plate with spacing hole cooperation, thereby make the pressure strip remain stable throughout to the fixed of compressing tightly of work piece.

Description

Mould flanging device

Technical Field

The invention relates to the technical field of die processing, in particular to a die flanging device.

Background

Flanging is a processing method for bending or hemming the edge of a workpiece, and a die flanging device has wide application prospect in a plurality of industries and applications, and can be used in the industries and applications requiring bending or hemming of metal or other materials.

Chinese patent publication No.: CN219851567U discloses a mould flanging device mould flanging bending device, including bed die and last mould, the inside of last mould slides a plurality of connecting rods, and the both ends that a plurality of connecting rods kept away from run through last mould, and two longitudinal connecting rod bottom joint welding has the clamp plate that is used for compressing tightly the work piece surface.

According to the device, when the upper die is matched with the lower die to form the flanging bending of the workpiece, larger pressure is needed at the moment, and when the upper die is matched with the lower die completely, the pressure of the pressing plate on the workpiece is largest under the action of the spring, so that when the upper die is just matched with the lower die, the workpiece is likely to slide or even fall under the lower pressure due to the rigidity of the pressing plate and the smaller pressure of the pressing plate.

Therefore, it is necessary to provide a die flanging device to solve the above technical problems.

Disclosure of Invention

The invention aims to provide a die flanging device for solving the problems in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the die flanging device comprises a movable die and a fixed die, wherein the movable die is arranged above the fixed die; the bottom of the movable die is fixedly provided with a positioning column, the top of the fixed die is provided with a fixed cover, the bottom of the positioning column penetrates through the fixed cover in a sliding manner and stretches into the side wall of the fixed die, one side of the fixed cover is provided with a compression plate in a sliding manner, two ends of the compression plate are fixedly provided with connecting plates, one end of each connecting plate, which is far away from the compression plate, stretches into the side wall of the fixed die in a sliding manner, the connecting plates are elastically connected with the inner wall of the fixed die, one end, which is far away from the compression plate, of each connecting plate is provided with a limiting mechanism, and a transmission mechanism is arranged between each compression plate and the fixed die;

When the transmission mechanism moves towards the fixed cover, the limiting mechanism is driven to move towards the fixed cover, and then the connecting plate drives the pressing plate to move towards the fixed die.

As a further scheme of the invention: the transmission mechanism comprises a square plate; the square board slides and sets up the one end that is close to the pressure strip at fixed lid, and square board sets up the below at the pressure strip, the bottom center of square board is provided with the spout, the one end sliding connection who is close to fixed lid in the spout has the short board, the one end that the spout was kept away from to the short board is connected with stop gear, and the one end that the spout was kept away from to the short board and the inner wall slip laminating of cover half, and when square board moved to fixed lid, through the cooperation of spout and short board, drive stop gear moved to fixed lid.

As a further scheme of the invention: the bottom of square board slides and is provided with the support bar, and the support bar is provided with the multiunit at the top array of cover half, the top of cover half is provided with the supporting slot with multiunit support bar one-to-one slip adaptation, the bottom of support bar is provided with along central symmetry with stop gear sliding fit's mating groove, when stop gear removes to fixed lid for the support bar moves down and the bottom separation of square board, when stop gear moves to the direction of keeping away from fixed lid, makes the support bar upwards move and the bottom slip laminating of square board.

As a further scheme of the invention: the limiting mechanism comprises a movable plate; the movable plate is close to the one end fixedly connected with L board of short board, the one end that the movable plate was kept away from to the L board is slided the laminating with the bottom of supporting slot, and the top fixedly connected with of L board and cooperation groove sliding fit's kicking block, be used for movable plate and gliding spacing groove of L board has been seted up to the lateral wall of cover half.

As a further scheme of the invention: the top of cover half is provided with the constant head tank that is used for connecting plate gliding, the both ends fixedly connected with second gag lever post of fly leaf, the second gag lever post sets up in the fly leaf one side that is close to the connecting plate, the second gag lever post slides and inlays to be established in the inner wall of cover half, and the one end that the fly leaf was kept away from to the second gag lever post slides and stretch into in the constant head tank, the one end that the pressure strip was kept away from to the connecting plate is provided with spacing hole, spacing hole and second gag lever post sliding fit.

As a further scheme of the invention: the connecting plate is kept away from the one end below of pressure strip and is provided with the baffle, and all fixedly between baffle and the connecting plate, between the bottom of baffle and constant head tank is provided with the spring, and the baffle slides the laminating with the inner wall of constant head tank.

As a further scheme of the invention: the lower part of second gag lever post is provided with first gag lever post, first gag lever post elastic sliding sets up in the lateral wall of cover half, and in the one end that first gag lever post is close to the connecting plate slides and stretches into the constant head tank, the one end that first gag lever post is close to the connecting plate and spacing hole sliding fit.

As a further scheme of the invention: the inner wall of the fixed die is provided with a resistance block in a sliding manner, the resistance block is arranged below the positioning column, and the bottom of the positioning column is provided with a resistance groove which is matched with the resistance block in a sliding manner.

As a further scheme of the invention: the top of cover half is provided with the transmission groove along central symmetry, the transmission inslot internal rotation is connected with around the spool, around the peripheral fixed gear that is provided with of one end of spool, around the spool one end of keeping away from the gear around the book have the third stay cord, the third stay cord is kept away from the bottom fixed connection of the lateral wall that one end of spool slided through the cover half and baffle, the bottom of square plate is provided with along central symmetry with gear drive complex tooth's socket.

As a further scheme of the invention: the two sides of one end of the square plate, which is close to the positioning column, are fixedly connected with a trigger plate, the top of the fixed die is provided with an air groove, the air groove is arranged at one end of the trigger plate, which is far away from the square plate, the piston plate is elastically connected with one end of the air groove, which is far away from the trigger plate, the side wall of one end of the air groove, which is elastically connected with a limiting block, the limiting block is symmetrically arranged along the center of the air groove, one end of the limiting block, which is close to the air groove, is in sliding fit with one side of the piston plate, which is close to the trigger plate, and one side of stopper near the trigger plate still slides the laminating with the tip of trigger plate, one side fixed connection that the trigger plate was kept away from to the piston plate is provided with first stay cord, the tip fixed connection of piston plate and trigger plate is walked around to first stay cord, be provided with the gas pocket with the air pocket intercommunication in the lateral wall of cover half, and the one end opening that the air pocket kept away from the air pocket is located between two adjacent support bars of group.

Compared with the prior art, the invention has the beneficial effects that: through the cooperation of gland plate, the connecting plate, square plate, the fly leaf, the second gag lever post, first gag lever post, when using, the square plate inserts corresponding to the one end of work piece, promote square plate and remove to fixed lid, and then make spout and short board cooperation drive L board and fly leaf remove, and square plate removes and make the baffle downwardly moving through tooth's socket and gear cooperation, afterwards when second gag lever post and spacing hole separation, the connecting plate is fixed with the clamp plate downwardly moving completion to the compress tightly of work piece, first gag lever post then can carry out spacingly to the connecting plate with spacing hole cooperation, thereby make the clamp plate remain stable throughout to the compress tightly of work piece, avoid pressing the work piece alone through the spring effect, when punching press, the work piece between the clamp plate can take place the perk, thereby make the work piece upper end uneven, influence the quality that the work piece was bent, simultaneously through the cooperation of square plate and air pocket, after square plate moves to fixed lid, through the cooperation of trigger plate and stopper, let the piston plate remove to the gas pocket, with the gas in the air pocket follow the gas pocket is discharged, accomplish and clear up the cover between the support bar, it has the impurity that has had the processing to exist immediately before or just falling down.

Drawings

Fig. 1 is a schematic view of a front three-dimensional structure of the present invention.

Fig. 2 is a schematic structural view of a compacting plate according to the present invention.

Fig. 3 is a schematic structural view of a middle section of a fixed mold in the present invention.

Fig. 4 is a schematic structural view of the piston plate in the present invention.

Fig. 5 is a schematic diagram of the structure at a in fig. 4 according to the present invention.

Fig. 6 is a schematic diagram of the structure at B in fig. 4 in the present invention.

Fig. 7 is a schematic structural view of a support bar according to the present invention.

Fig. 8 is a schematic view of the structure of fig. 7 at C in the present invention.

Fig. 9 is a schematic structural view of a first stop lever and a second stop lever according to the present invention.

Fig. 10 is a schematic view of the structure of the gear in the present invention.

FIG. 11 is a schematic view of a tooth slot according to the present invention.

In the figure: 1. a movable mold; 101. positioning columns; 2. a fixed mold; 201. a fixed cover; 202. an air tank; 3. a compacting plate; 301. a connecting plate; 4. a support bar; 401. a support groove; 402. a mating groove; 5. a square plate; 501. a chute; 6. a top block; 7. an L plate; 8.a short plate; 9. a trigger plate; 10. a first pull rope; 11. a piston plate; 12. a limiting block; 13. air holes; 14. a gear; 141. a transmission groove; 15. a movable plate; 16. a resistance groove; 17. a resistance block; 18. a second pull rope; 19. a first stop lever; 20. a second limit rod; 21. a partition plate; 22. a third pull rope; 23. tooth slots.

Detailed Description

Referring to fig. 1-11, in an embodiment of the present invention, a mold flanging device includes a movable mold 1 and a fixed mold 2, wherein the movable mold 1 is disposed above the fixed mold 2; the fixed reference column 101 that is provided with in bottom of movable mould 1, the top installation of cover half 2 is provided with fixed lid 201, the bottom of reference column 101 slides and passes fixed lid 201 and stretch into in the lateral wall of cover half 2, one side of fixed lid 201 slides and is provided with pressure strip 3, the fixed connecting plate 301 that is provided with in the both ends of pressure strip 3, the one end that pressure strip 3 was kept away from to connecting plate 301 slides and stretches into in the lateral wall of cover half 2, and elastic connection between connecting plate 301 bottom and the cover half 2 inner wall, the one end that pressure strip 3 was kept away from to connecting plate 301 is provided with stop gear, be provided with drive mechanism between pressure strip 3 and the cover half 2.

During the use, under initial condition, movable mould 1 and cover half 2 separation, the top of cover half 2 is kept away from to clamp plate 3, and drive mechanism is in the below of clamp plate 3, when need carry out the turn-ups to the work piece and bend, insert the one end of work piece with corresponding drive mechanism, the below of clamp plate 3, when drive mechanism is pushed to fixed lid 201 by the work piece and remove later, drive mechanism drive stop gear removes to the direction of fixed lid 201, make clamp plate 3 to cover half 2 promptly the downward movement accomplish the work piece and fix, make work piece one end all by fixed, avoid simply fixed both ends, when movable mould 1 and cover half 2 compound die later, the middle part of work piece takes place the perk limit because not being spacing, cause the skew problem that the work piece probably takes place, start movable mould 1 to cover half 2 remove after the work piece is fixed and bend the work can.

Referring to fig. 1-4, 6, 8 and 11, the transmission mechanism preferably comprises a square plate 5; the square plate 5 is arranged at one end of the fixed cover 201, which is close to the pressing plate 3, through a spring or an elastic column in a sliding manner, and the square plate 5 is arranged below the pressing plate 3, so that when a workpiece is inserted, the end of the workpiece corresponds to the end of the square plate 5 and then pushes the end of the square plate 5 into the pressing plate 3, at the moment, the square plate 5 can be pushed by the workpiece to slide in the fixed cover 201, the sliding groove 501 is arranged at the center of the bottom of the square plate 5, one end, which is close to the fixed cover 201, of the sliding groove 501 is slidably connected with the short plate 8, initially, namely, when one end, which is far away from the fixed cover 201, of the square plate 5 is close to one end, which is far away from the fixed cover 201, of the pressing plate 3, of the square plate 5 is close to one end, which is close to the fixed cover 201, of the sliding groove 501, after the square plate 5 moves into the fixed cover 201, the end, which is far away from the fixed cover 201, is attached to the short plate 8, then when the square plate 5 is completely contracted in the fixed cover 201, the sliding plate 501 is pushed by the sliding groove 501, the end, one end, which is far away from the sliding plate 8, of the short plate 301 is connected with the limiting mechanism, and at the limiting mechanism, at the initial time, the limiting mechanism is pushed by the workpiece, so that the end, the short plate 3 is pushed by the workpiece, and the short plate 201, and the end is kept away from the fixed cover, and the limiting mechanism, and the end, which is located in the fixed cover, and the end, which is located by the fixed cover, and the limiting mechanism, and the end, which is.

Referring to fig. 2, 3, 7 and 9, preferably, the bottom of the square plate 5 is slidably provided with a supporting bar 4, the supporting bar 4 is initially protruded from the top of the fixed die 2 and attached to the bottom of the square plate 5, so that when a workpiece is inserted, the bottom of the workpiece is supported by the supporting bar 4, friction with the top of the fixed die 2 is reduced, impurities possibly existing at the bottom of the workpiece are prevented from accumulating on the top of the fixed die 2 after the workpiece rubs with the top of the fixed die 2, a plurality of groups of supporting bars 4 are arranged at the top of the fixed die 2 in an array, the top of the fixed die 2 is provided with supporting grooves 401 in one-to-one correspondence with the plurality of groups of supporting bars 4, the bottom of the supporting bars 4 is symmetrically provided with matching grooves 402 in sliding fit with a limiting mechanism along the center, when the limiting mechanism moves towards the fixed cover 201, the supporting bars 4 are enabled to be separated and contracted in the supporting grooves 401 from the bottom of the square plate 5, and when the limiting mechanism moves towards the direction away from the fixed cover 201, the supporting bars 4 are enabled to move upwards and are attached to the bottom of the square plate 2 in a sliding manner, so that the supporting bars 4 have functions of automatically extending and contracting, and subsequent flanging of the workpiece are prevented from being affected.

Referring to fig. 3, 7, 8 and 9, the limiting mechanism preferably includes a movable plate 15; the one end fixedly connected with L board 7 that the fly leaf 15 is close to short board 8, the one end that the fly leaf 15 was kept away from to L board 7 is laminated with the bottom slip of supporting groove 401, and the top fixedly connected with of L board 7 and cooperation groove 402 sliding fit's kicking block 6, be provided with the inclined plane towards support bar 4 on the kicking block 6, be provided with through spring post elastic connection between support bar 4 and the supporting groove 401, when L board 7 removes to fixed lid 201 like this, support bar 4 moves down under the effect of spring post for kicking block 6 cooperates with cooperation groove 402, and when L board 7 kept away from fixed lid 201 and remove, through the cooperation of inclined plane on the kicking block 6 and cooperation groove 402, promote support bar 4 upward movement, the spacing groove that is used for fly leaf 15 and L board 7 gliding is seted up to the lateral wall of cover half 2.

Preferably, a positioning groove for sliding the connecting plate 301 is formed in the top of the fixed die 2, two ends of the movable plate 15 are fixedly connected with second limiting rods 20, the second limiting rods 20 are arranged on one side, close to the connecting plate 301, of the movable plate 15, the second limiting rods 20 are slidably embedded in the inner wall of the fixed die 2, one end, far away from the movable plate 15, of each second limiting rod 20 is slidably extended into the positioning groove, one end, far away from the pressing plate 3, of the connecting plate 301 is provided with limiting holes, and the limiting holes are in sliding fit with the second limiting rods 20; a first limiting rod 19 is arranged below the second limiting rod 20, two sides of the first limiting rod 19 are elastically and slidably arranged in the side wall of the fixed die 2 through springs, one end, close to the connecting plate 301, of the first limiting rod 19 slidably stretches into a positioning groove, one end, stretching into the positioning groove, of the first limiting rod 19 is provided with an inclined surface facing the pressing plate 3, and one end, close to the connecting plate 301, of the first limiting rod 19 is slidably matched with the limiting hole; during the use, in initial condition, the second gag lever post 20, first gag lever post 19 all stretches into the constant head tank, and the one end that fly leaf 15 was kept away from to second gag lever post 20 stretches into the spacing downthehole relative position with connecting plate 301 and carry out the restriction, thereby guarantee to compress tightly the board 3 when the work piece inserts, can down remove the problem that tightly laminating work piece leads to the work piece removal difficulty behind the top atress, after the work piece inserts and promotes square board 5 and remove, square board 5 makes fly leaf 15 remove to fixed lid 201 through the cooperation of supporting groove 401 and short board 8, L board 7, fly leaf 15 removes and lets second gag lever post 20 and L board 7 remove, let support bar 4 and compressing tightly board 3 descend in step, even make support bar 4 shrink in supporting groove 401, second gag lever post 20 removes with spacing downthehole separation, then compressing tightly board 3 moves down and compresses tightly fixedly with the work piece, and connecting plate 301 moves down, can carry out sliding fit with the end of first gag lever post 19, then continue to remove and make spacing hole and the end cooperation of first gag lever post 19, let the connecting plate 301 be spacing again, and then guarantee the stability of compressing tightly board 3.

Referring to fig. 9, preferably, a partition plate 21 is disposed below one end of the connecting plate 301 away from the compacting plate 3, and springs are fixedly disposed between the partition plate 21 and the connecting plate 301, and between the partition plate 21 and the bottom of the positioning groove, and the partition plate 21 is in sliding fit with the inner wall of the positioning groove.

Referring to fig. 3-4, 6 and 9-10, preferably, a transmission groove 141 is symmetrically arranged at the top of the fixed mold 2 along the center, a winding shaft is rotatably connected in the transmission groove 141, a gear 14 is fixedly arranged at the periphery of one end of the winding shaft, a third pull rope 22 is wound at one end of the winding shaft far away from the gear 14, one end of the third pull rope 22 far away from the winding shaft slides through the side wall of the fixed mold 2 and is fixedly connected with the bottom of the partition plate 21, when the winding shaft rotates, the third pull rope 22 is wound, and tooth grooves 23 in transmission fit with the gear 14 are symmetrically arranged at the bottom of the square plate 5 along the center; the inner wall of the fixed die 2 is provided with a resistance block 17 in a sliding manner, the top of the resistance block 17 is provided with an annular convex column, the top of the resistance block 17 is protruded to be made of silica gel, the resistance block 17 is arranged below the positioning column 101, the bottom of the positioning column 101 is provided with a resistance groove 16 which is in sliding fit with the resistance block 17, so that after the positioning column 101 moves downwards, the resistance groove 16 is in sliding fit with the resistance block 17, the convex column stretches into the resistance groove 16, annular grooves are formed in the top ends of the resistance groove 16 and the resistance block 17, and therefore when the positioning column 101 moves upwards, the resistance block 17 is driven to move upwards, and after the resistance block 17 moves to a limiting position, deformation of the convex column at the top of the resistance block 17 is separated from the resistance groove 16 along with continued movement of the positioning column 101.

When the device is specifically used, in an initial state, springs on the upper side and the lower side of the partition plate 21 are in a normal state, the second limiting rod 20 stretches into the limiting hole to limit the connecting plate 301, and one end of the first limiting rod 19 stretches into the positioning groove; when a workpiece is inserted between the pressing plate 3 and the fixed die 2, the square plate 5 moves towards the fixed cover 201, the tooth grooves 23 and the gear 14 are meshed for transmission, at the moment, the gear 14 rotates to drive the third stay cord 22 to be wound around the scroll, the partition plate 21 moves downwards, the spring below the partition plate 21 is compressed, the spring above the partition plate is stretched, when the square plate 5 moves into the fixed cover 201 completely, the L plate 7 and the movable plate 15 are pushed to move synchronously through the matching of the sliding groove 501 and the short plate 8, the top block 6 and the matching groove 402 are matched, the supporting bar 4 moves and contracts in the supporting groove 401, meanwhile, the second limiting rod 20 is separated from the limiting hole, at the moment, the connecting plate 301 moves downwards to be in sliding fit with the first limiting rod 19 under the action of the spring above the partition plate 21, then the first limiting rod 19 stretches into the limiting hole to limit the limiting hole, thereby accomplish spacing fixed to the work piece, can let movable mould 1 move the compound die to the cover half 2 and accomplish the processing of turning over the work piece afterwards, make reference column 101 move down and let resistance groove 16 and resistance piece 17 cooperation, after accomplishing the turn-ups work, let movable mould 1 and cover half 2 remove the separation, reference column 101 moves away from cover half 2, can drive resistance piece 17 and reciprocate at this moment, resistance piece 17 upwards moves and draws first gag lever post 19 to keep away from spacing hole through second stay cord 18, then connecting plate 301 moves upwards under the effect of spring and resets, then square board 5 moves under the elastic action that corresponds and resets, square board 5 moves and resets and drive gear 14 through tooth groove 23 and move and reset at this moment, gear 14 moves and resets and scatter third stay cord 22, and then make baffle 21 move and reset, and square board 5 still drives short board 8 through spout 501 and move and reset, and then make movable board 15 move, the L-shaped plate 7 and the second limiting rod 20 are moved to reset, so that the next use is convenient, and when the resistance block 17 moves to the limiting position, the L-shaped plate is separated from the resistance groove 16, and then the first limiting rod 19 and the resistance block 17 are moved to reset.

Referring to fig. 3-5 and 7-8, preferably, two sides of one end of the square plate 5 close to the positioning column 101 are fixedly connected with a trigger plate 9, the top of the fixed mold 2 is provided with an air groove 202, the air groove 202 is arranged at one end of the trigger plate 9 far away from the square plate 5, one end of the air groove 202 far away from the trigger plate 9 is elastically connected with a piston plate 11 through a spring, in the initial state that the square plate 5 stretches out of the fixed cover 201, the piston plate 11 is positioned at one end of the air groove 202 far away from the trigger plate 9, and when the square plate 5 moves and contracts in the fixed cover 201, the piston plate 11 can move towards the square plate 5 under the action of the spring column, so that the air in the air groove 202 is discharged to the outside, one end side wall of the air groove 202 far away from the trigger plate 9 is elastically connected with a limiting block 12 through the spring, and the limiting block 12 is symmetrically arranged along the center of the air groove 202, one end of the limiting block 12 close to the air groove 202 is in sliding fit with one side of the piston plate 11 close to the trigger plate 9, at the beginning, the side wall of the limiting block 12 protruding out of the fixed die 2 limits one side of the piston plate 11 close to the square plate 5, one side of the limiting block 12 close to the trigger plate 9 is also in sliding fit with the end part of the trigger plate 9, one end of the limiting block 12 close to the trigger plate 9 is provided with an inclined plane, thus the trigger plate 9 can separate the limiting block 12 from the piston plate 11 by extruding the limiting block 12 into the side wall of the fixed die 2 through the inclined plane, the limiting of the piston plate 11 is relieved, meanwhile, the problem of blocking with the limiting block 12 can not occur when the piston plate 11 moves and resets is solved, so that the side of the piston plate 11 far away from the trigger plate 9 is fixedly connected with a first pull rope 10, the first pull rope 10 bypasses the end part of the piston plate 11 and the trigger plate 9, the corner of the air groove 202 close to the limiting block 12 is provided with a fixed column, the first pull rope 10 bypasses the fixed column and is fixedly connected with the trigger plate 9, so when the trigger plate 9 moves in the direction away from the fixed cover 201, the first pull rope 10 can drive the piston plate 11 to move and reset, when the trigger plate 9 moves towards the piston plate 11, the first pull rope 10 provides conditions for the piston plate 11 to move towards the square plate 5, thereby realizing the effect of automatic reset of the piston plate 11, the air holes 13 communicated with the air groove 202 are arranged in the side wall of the fixed die 2, when the piston plate 11 moves towards the square plate 5, air between the piston plate 11 and the air groove 202 is sprayed out through the air holes 13, one end opening of the air holes 13 away from the air groove 202 is positioned between two groups of adjacent support bars 4, and the sprayed air is used for cleaning the space between the two groups of support bars 4, so that the surface of the fixed die 2 is guaranteed to be clean when the workpiece is turned, and impurities on the workpiece are prevented from falling on the position of the fixed die 2 corresponding to the pressing plate 3 when the workpiece is placed or turned, and then stacking is carried out, so that the processing quality of the workpiece is influenced.

Claims (10)

1. The die flanging device comprises a movable die and a fixed die, wherein the movable die is arranged above the fixed die; the fixed die is characterized in that a positioning column is fixedly arranged at the bottom of the movable die, a fixed cover is arranged at the top of the fixed die, the bottom of the positioning column penetrates through the fixed cover in a sliding mode and stretches into the side wall of the fixed die, a compression plate is arranged on one side of the fixed cover in a sliding mode, connecting plates are fixedly arranged at two ends of the compression plate, one end, far away from the compression plate, of the connecting plates stretches into the side wall of the fixed die in a sliding mode, the connecting plates are elastically connected with the inner wall of the fixed die, a limiting mechanism is arranged at one end, far away from the compression plate, of the connecting plates, and a transmission mechanism is arranged between the compression plate and the fixed die; when the transmission mechanism moves towards the fixed cover, the limiting mechanism is driven to move towards the fixed cover, and then the connecting plate drives the pressing plate to move towards the fixed die.

2. A die flanging apparatus according to claim 1, wherein the transmission mechanism comprises a square plate; the square board slides and sets up the one end that is close to the pressure strip at fixed lid, and square board sets up the below at the pressure strip, the bottom center of square board is provided with the spout, the one end sliding connection who is close to fixed lid in the spout has the short board, the one end that the spout was kept away from to the short board is connected with stop gear, and the one end that the spout was kept away from to the short board and the inner wall slip laminating of cover half, and when square board moved to fixed lid, through the cooperation of spout and short board, drive stop gear moved to fixed lid.

3. The flanging device for the die as claimed in claim 2, wherein the bottom of the square plate is slidably provided with supporting bars, a plurality of groups of supporting bars are arranged at the top of the fixed die in an array, supporting grooves which are slidably matched with the supporting bars in a one-to-one correspondence manner are arranged at the top of the fixed die, matching grooves which are slidably matched with the limiting mechanisms are symmetrically arranged at the bottoms of the supporting bars along the center, the supporting bars are enabled to move downwards to be separated from the bottoms of the square plate when the limiting mechanisms move towards the fixed cover, and the supporting bars are enabled to move upwards to be in sliding fit with the bottoms of the square plate when the limiting mechanisms move towards the direction away from the fixed cover.

4. A die flanging apparatus according to claim 3, wherein the limiting mechanism comprises a movable plate; the movable plate is close to the one end fixedly connected with L board of short board, the one end that the movable plate was kept away from to the L board is slided the laminating with the bottom of supporting slot, and the top fixedly connected with of L board and cooperation groove sliding fit's kicking block, be used for movable plate and gliding spacing groove of L board has been seted up to the lateral wall of cover half.

5. The flanging device for the die as claimed in claim 4, wherein the top of the fixed die is provided with a positioning groove for sliding the connecting plate, two ends of the movable plate are fixedly connected with second limiting rods, the second limiting rods are arranged on one side, close to the connecting plate, of the movable plate, the second limiting rods are slidably embedded in the inner wall of the fixed die, one end, far away from the movable plate, of each second limiting rod is slidably extended into the positioning groove, one end, far away from the pressing plate, of each connecting plate is provided with a limiting hole, and the limiting holes are slidably matched with the second limiting rods.

6. The flanging device for die as in claim 5, wherein a partition plate is disposed below one end of the connecting plate far away from the compacting plate, springs are fixedly disposed between the partition plate and the connecting plate and between the partition plate and the bottom of the positioning groove, and the partition plate is in sliding fit with the inner wall of the positioning groove.

7. The flanging device for dies according to claim 5, wherein a first stop lever is provided below the second stop lever, the first stop lever is elastically slidably disposed in a side wall of the fixed die, one end of the first stop lever, which is close to the connecting plate, slidably extends into the positioning groove, and one end of the first stop lever, which is close to the connecting plate, slidably fits with the stop hole.

8. The mold flanging device according to claim 7, wherein a resistance block is slidably provided in an inner wall of the stationary mold, the resistance block is provided below a positioning column, and a resistance groove slidably fitted with the resistance block is provided at a bottom of the positioning column.

9. The flanging device for the die as claimed in claim 6, wherein the top of the fixed die is provided with a transmission groove along the central symmetry, the transmission groove is rotationally connected with a winding shaft, a gear is fixedly arranged at the periphery of one end of the winding shaft, a third pull rope is wound at one end of the winding shaft far away from the gear, the third pull rope is far away from one end of the winding shaft and slides through the side wall of the fixed die to be fixedly connected with the bottom of the partition plate, and tooth grooves matched with the gear are symmetrically arranged at the bottom of the square plate along the central symmetry.

10. The flanging device for the die, according to claim 3, wherein the trigger plate is fixedly connected to two sides of one end of the square plate, which is close to the positioning column, the air groove is formed in the top of the fixed die and is arranged at one end of the trigger plate, which is far away from the square plate, the piston plate is elastically connected to one end of the air groove, which is far away from the trigger plate, of the air groove, the limiting block is elastically connected to one end side wall of the air groove, the limiting block is symmetrically arranged along the center of the air groove, one end of the limiting block, which is close to the air groove, is in sliding fit with one side of the piston plate, which is close to the trigger plate, and one side of the limiting block is also in sliding fit with the end of the trigger plate, one side of the piston plate, which is far away from the trigger plate, is fixedly connected with the first pull rope, the air hole, which is communicated with the air groove, is arranged in the side wall of the fixed die, is bypassed by the piston plate, and one end opening, which is far from the air groove, is located between two adjacent groups of supporting bars.