CN212419306U - High-efficient die-cut mould of many drifts - Google Patents

Abstract

The utility model discloses a high-efficiency multi-punch punching die, which relates to the field of punching dies and aims to solve the problem that the workpiece is easily damaged in the die opening process of the existing punching die; the die-cut mould of high-efficient many drifts includes cover half and movable mould, still including setting up the drift that is close to cover half one end at the movable mould, the drift has two at least, die-cut mould is still including setting up towards punching a hole, setting the clamp plate between cover half and movable mould and running through the play groove that sets up on the clamp plate of movable mould one side at the cover half, the clamp plate slides along movable mould moving direction, it is relative to punch a hole, go out groove, drift one-to-one setting and follow movable mould moving direction. The utility model discloses at the die sinking in-process, can press the work piece and hold, leave cover half and work piece until the movable mould drives the drift, reduce the deformation in work piece and work piece processing hole.

Description

High-efficient die-cut mould of many drifts

Technical Field

The utility model belongs to the technical field of the technique of die-cut mould and specifically relates to a die-cut mould of high-efficient many drifts is related to.

Background

The mold lock is used for obtaining various molds and tools of required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production, wherein the stamping mold is a section stamping mold and is mainly used for punching.

The traditional Chinese patent with the application number of CN201921224309.3 discloses a porous stamping die for hardware processing, which comprises a shell, wherein a hydraulic cylinder is arranged on the top surface of the shell, an upper fixing block is arranged at the output end of the hydraulic cylinder, an upper die is arranged at the center of the bottom surface of the upper fixing block, a stamping head is arranged at the bottom surface of the upper die, two ends of the bottom surface of the upper fixing block are respectively provided with a buffer mechanism, a lower fixing block is arranged at the center of the bottom surface of the shell, and an ejection mechanism is arranged at the center; during the use, place hardware component's top surface at the bed die, start the pneumatic cylinder, the fixed block descends on the messenger to the punching press head on the mould descends on the messenger, and the punching press head inserts the punching press inslot, realizes the punching press to hardware component.

However, since the above patent is a multi-hole punching, after the punching is finished, the upper die and the punching head are lifted together, and the punching head is lifted out of the processing hole of the corresponding workpiece, because of the problem of die vibration or the material of the workpiece itself, the friction force between each processing hole and the punching head is different, when the upper die moves upwards, the workpiece is rocked at the lower die, and before the punching head does not completely leave the processing hole, the processing hole is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a die-cut mould of high-efficient many drifts exists, the utility model aims at providing a die sinking in-process can press the work piece and hold, driving the drift until the movable mould and leaving cover half and work piece, reduces the deformation in work piece and work piece processing hole.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a die-cut mould of high-efficient many drifts, includes cover half and movable mould, still including setting up the drift that is close to cover half one end at the movable mould, the drift has two at least, die-cut mould is still including setting up towards punching a hole, setting the clamp plate between cover half and movable mould and running through the play groove of setting on the clamp plate of movable mould one side at the cover half, the clamp plate slides along movable mould moving direction, it is relative to punch a hole, go out groove, drift one-to-one setting and follow movable mould moving direction.

By adopting the technical scheme, the workpiece is placed on the upper surface of the fixed die, the workpiece is positioned below the pressing plate, then the movable die moves towards the fixed die, and the punch penetrates through the groove and then is abutted into the punched hole, so that the workpiece can be punched; when the lower part of the punch moves to the end point, the movable die pushes the pressing plate, so that the pressing plate is extruded between the movable die and the workpiece and is pressed on the upper surface of the workpiece; when the movable mould leaves the cover half, the clamp plate is at first motionless, and the clamp plate is in the state of pressing the work piece, keeps away from cover half and work piece until the drift, and the clamp plate moves on again and leaves the work piece, thereby the utility model discloses can press the work piece and hold, drive the drift and leave cover half and work piece until the movable mould, reduce the deformation in work piece and work piece processing hole.

The utility model discloses a further set up to, the cover is equipped with the uide bushing on the movable mould periphery wall, the uide bushing slides along movable mould moving direction, the clamp plate sets up and is close to cover half one end at the uide bushing.

By adopting the technical scheme, when the movable die moves towards the fixed die, the movable die is guided by the guide sleeve, so that the movable die is prevented from deviating in the horizontal direction, and a punch is smoothly driven into a punched hole; meanwhile, the pressing plate is arranged on the guide sleeve, the guide sleeve guides the pressing plate while the guide between the guide sleeve and the movable die is not influenced, so that the punching, the groove discharging and the punching head are smoothly opposite to each other along the moving direction of the movable die, and the normal operation of punching is ensured.

The utility model discloses a further set up to, be provided with the guide way on the uide bushing perisporium, the guide way extends along movable mould moving direction, be provided with the guide block on the perisporium of movable mould, the guide block slides with the guide way and is connected.

Through adopting above-mentioned technical scheme, the guide block slides in the guide way, can realize the direction of vertical direction to the movable mould while, also can realize the spacing of circumference to the movable mould in the uide bushing for the movable mould removes more steadily.

The utility model discloses a further set up to, run through on the clamp plate and be provided with the balancing hole of keeping away from out the groove.

By adopting the technical scheme, the movable die and the peripheral wall are attached to and slide on the inner peripheral wall of the guide sleeve, and the pressing plate is arranged at the bottom end of the guide sleeve, so that the pressure intensity in the guide sleeve can be changed when the movable die moves, the balance hole is formed, the internal pressure intensity and the external pressure intensity of the guide sleeve can be balanced, and the movable die can smoothly slide in the guide sleeve.

The utility model discloses a further set up to, be provided with the reference column on the periphery wall of cover half.

By adopting the technical scheme, the fixed die is arranged on the workbench of the punching machine, and the workbench is provided with the limiting groove spliced with the positioning column, so that the fixed die is limited along the horizontal circumferential direction by utilizing the limiting between the positioning column and the limiting groove, and the fixed die is more stably fixed on the workbench of the punching machine.

The utility model discloses a further set up to, the one end that the clamp plate was kept away from to the uide bushing periphery wall is provided with even board, be provided with the locating hole on even the board periphery wall.

Through adopting above-mentioned technical scheme, the uide bushing can slide along vertical direction through even board and set up on the punching press head of punching machine to satisfy the vertical removal of uide bushing, can set up the guide bar of pegging graft with the locating hole on the workstation of punching machine moreover, when not influencing the uide bushing and remove, can realize horizontal circumference spacing to the uide bushing, make the uide bushing guide the movable mould more steadily.

The utility model discloses a further set up to, there is the cardboard movable mould towards the one end of cover half through the screw connection, form the card chamber between cardboard and the movable mould end wall, run through on the cardboard diapire be provided with the communicating draw-in groove in card chamber, the one end that the cover half was kept away from to the drift is provided with the fixture block, the fixture block is located the card intracavity, the fixture block along the movable mould moving direction's lateral wall respectively with movable mould end wall and cardboard butt, the drift is worn to establish in the draw-in groove, draw-in groove cell wall and drift lateral wall butt, the clamp plate passes through the connecting piece.

By adopting the technical scheme, the punch penetrates through the clamping groove, so that the fixture block is lapped on the fixture plate, then the fixture plate is fixed on the movable die, the fixture block can be limited in the clamping cavity, the punch and the movable die can be detachably connected, and punches with proper number and positions can be installed as required; meanwhile, the pressing plate is replaced by the connecting piece, so that the pressing plate works in cooperation with the punch.

The utility model discloses a further set up to, the connecting piece is close to the groove even of location on the cover half one end wall including sunken setting, the groove is even had two at least in the location, the connecting piece is still including setting up the fixed groove even on the clamp plate, fixed even groove and location even groove one-to-one setting, threaded connection has connecting bolt between fixed even groove and the location even groove, the one end that the clamp plate is close to the cover half is provided with the groove of stepping down, the groove of stepping down is located fixed even groove and communicates with each other all around and fixed even groove, connecting bolt's tiehead is located the inslot of stepping down.

Through adopting above-mentioned technical scheme, connecting bolt links groove and location even groove threaded connection with fixed, can realize being connected dismantled of clamp plate and uide bushing conveniently.

To sum up, the utility model discloses a beneficial technological effect does:

1. by arranging the pressing plate, when the lower part of the punch moves to the end point, the movable die pushes the pressing plate, so that the pressing plate is extruded between the movable die and the workpiece, and the pressing plate is pressed on the upper surface of the workpiece; when the movable die leaves the fixed die, the pressing plate is firstly not moved, the pressing plate is in a state of pressing and holding the workpiece until the punch is far away from the fixed die and the workpiece, and the pressing plate moves upwards to leave the workpiece, so that the workpiece can be pressed and held until the movable die drives the punch to leave the fixed die and the workpiece, and the deformation of the workpiece and a workpiece processing hole is reduced;

2. the utility model provides a drift can be dismantled with the movable mould and be connected, and the clamp plate can be dismantled with the uide bushing and be connected to can install the drift of suitable number and position as required.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 2 is a cross-sectional view of a fixed mold structure according to an embodiment of the present invention.

Fig. 3 is a cross-sectional view taken at a-a in fig. 1.

Fig. 4 is an exploded view of a structure embodying an embodiment of the present invention.

Fig. 5 is a cross-sectional view of a structure embodying the second embodiment of the present invention.

Reference numerals: 1. fixing a mold; 11. a positioning column; 2. moving the mold; 3. a punch; 4. punching; 5. pressing a plate; 51. discharging the mixture out of the groove; 6. a guide sleeve; 61. a balance hole; 62. connecting plates; 621. positioning holes; 63. a guide groove; 64. a guide block; 7. a connecting spring; 8. clamping a plate; 81. a card cavity; 82. a card slot; 83. a clamping block; 84. a connecting member; 841. positioning the connecting groove; 842. a fixed connecting groove; 843. a connecting bolt; 844. a yielding groove; 9. a work table; 91. a punch head 92, a base cylinder; 93. a guide bar; 94. a fixed seat; 95. a limiting groove; 96. a connecting rod; 97. and fixing the grooves.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

the utility model discloses a die-cut mould of high-efficient many drifts, as shown in fig. 1 and 2, including cover half 1 and movable mould 2, 2 top an organic whole of movable mould are connected with a connecting rod 96, and connecting rod 96's top threaded connection is on the punching press head 91 of punching machine, and cover half 1 is then fixed on the workstation 9 of punching machine, and movable mould 2 removes for cover half 1 along vertical direction.

As shown in fig. 2 and 3, the punching die of the present embodiment further includes four punches 3 integrally connected to one end of the movable die 2 close to the fixed die 1, the punches 3 are uniformly distributed at the bottom end of the movable die 2 (see fig. 4), the punching die further includes a punch 4 penetrating through the fixed die 1 and arranged at one side of the movable die 2, a press plate 5 vertically located between the fixed die 1 and the movable die 2 for sliding, and a slot 51 penetrating through the side wall of the press plate 5, the punch 4, the slot 51, and the punch 3 are arranged in a one-to-one correspondence and opposite to each other along the moving direction of the movable die 2; in the embodiment, the outer peripheral wall of the movable mold 2 is fitted and sleeved with a guide sleeve 6, the pressure plate 5 is integrated at one end of the guide sleeve 6 close to the fixed mold 1, and the pressure plate 5 is provided with balance holes 61 positioned at the inner sides of the four outlet grooves 51 in a penetrating manner; a connecting plate 62 is arranged at one end of the peripheral wall of the guide sleeve 6 far away from the pressure plate 5, two connecting springs 7 are fixedly connected between the top end of the connecting plate 62 and the punching head 91,

as shown in fig. 2 and 3, before the punching is started, a workpiece (not shown in the figure) is placed on the upper surface of the fixed die 1, the pressure plate 5 is positioned below the movable die 2, and the connecting spring 7 is in a natural state; after punching is started, the punching head 91 drives the guide sleeve 6 and the movable die 2 to move downwards together, in the process, the pressing plate 5 firstly contacts with a workpiece, then the punching head 91 continues to move, the movable die 2 slides along the inner peripheral wall of the guide sleeve 6 after the connecting spring 7 is compressed to the maximum extent, then the punch 3 passes through the outlet groove 51 and moves towards the punched hole 4 until the punch 3 punches the workpiece and enters the punched hole 4, at the moment, the movable die 2 moves to the lowest part, and the workpiece and the pressing plate 5 are pressed between the movable die 2 and the fixed die 1; then the punching head 91 moves upwards, in the initial stage, the connecting spring 7 is in a compressed state, the pressing plate 5 presses the workpiece until the punch 3 completely leaves the workpiece, the connecting spring 7 restores to a natural state, the punching head 91 continues to move, the pressing plate 5 does not leave the workpiece, and the punching 4 of the workpiece is completed.

As shown in fig. 1 and 2, a guide groove 63 is penetratingly formed on a peripheral wall of the guide sleeve 6 in the present embodiment, the guide groove 63 extends in a vertical direction of the movable mold 2, a guide block 64 is fixed on the peripheral wall of the movable mold 2, and the guide block 64 is slidably connected with the guide groove 63; when the movable mold 2 slides in the guide sleeve 6, the guide block 64 also slides in the guide groove 63, thereby further guiding the movable mold 2.

As shown in fig. 2, in order to make the guide sleeve 6 stably move in the vertical direction, thereby improving the moving stability of the movable mold 2, in the present embodiment, a base cylinder 92 is mounted on the table 9 of the press, an inverted L-shaped guide rod 93 is slidably provided in the vertical direction on the base cylinder 92, a positioning hole 621 penetrates in the horizontal direction on the vertical outer peripheral wall of the tie plate 62, and the horizontal end wall of the guide rod 93 is inserted into the positioning hole 621. When the guide sleeve 6 extends to move in the vertical direction, the guide rod 93 slides in the base cylinder 92, so that the movement of the guide sleeve 6 is not affected, and meanwhile, the guide rod 93 is inserted into the positioning hole 621, so that the guide sleeve 6 can be limited to shake on the horizontal axis, and the movement stability of the guide sleeve 6 can be improved.

As shown in fig. 2, in the present embodiment, the fixed mold 1 is clamped on the workbench 9 by two fixing seats 94, a fixing groove 97 is formed on a vertical peripheral wall of the fixed mold 1, the fixing seats 94 and the fixing groove 97 are clamped in a vertical direction, meanwhile, a positioning column 11 is arranged on the peripheral wall of the fixed mold 1, a limiting groove 95 which is horizontally inserted into the positioning column 11 is formed on the fixing seat 94, and the limiting groove 95 is inserted into the positioning column 11 to wipe off oil to realize limiting of the fixed mold 1 on the workbench 9 along the horizontal circumferential direction, so that the fixed mold 1 is stably fixed on the workbench 9.

Example two:

a high-efficiency multi-punch die cutting die, as shown in fig. 5, the second embodiment is different from the first embodiment in that: the movable mould 2 has cardboard 8 towards the one end of cover half 1 through the screw connection, has formed a card chamber 81 between cardboard 8 and the 2 end walls of movable mould, runs through on the 8 diapalls of cardboard and is provided with a plurality of and the communicating draw-in grooves 82 in card chamber 81, and the one end an organic whole that cover half 1 was kept away from to drift 3 is connected with fixture block 83. According to the requirement, the punch 3 is selected, the punch 3 correspondingly penetrates through the proper clamping groove 82, the groove wall of the clamping groove 82 is abutted against the side wall of the punch 3, the clamping block 83 is located in the clamping cavity 81, the clamping plate 8 is fixed on the movable die 2, the side wall of the clamping block 83 in the moving direction of the movable die 2 is respectively abutted against the end wall of the movable die 2 and the clamping plate 8, and therefore the proper punch 3 can be replaced on the movable die 2; in the present exemplary embodiment, a connecting element 84 is also provided between the pressure plate 5 and the guide sleeve 6, and after the punch 3 has been replaced, the pressure plate 5 with the appropriate recess 51 can be replaced by the connecting element 84, so that the pressure plate 5 works in conjunction with the punch 3.

As shown in fig. 5, the connecting member 84 includes a positioning connecting groove 841 which is relatively recessed and arranged on the end wall of the guide sleeve 6 near one end of the fixed mold 1, and a fixing connecting groove 842 which is recessed and arranged on the pressing plate 5, the fixing connecting groove 842 and the positioning connecting groove 841 are arranged in a one-to-one correspondence manner, a connecting bolt 843 is connected between the fixing connecting groove 842 and the positioning connecting groove 841 in a threaded manner, and meanwhile, an abdicating groove 844 is arranged at one end of the pressing plate 5 near the fixed mold 1. After a proper pressing plate 5 is selected, the positioning connecting groove 841 is opposite to the fixed connecting groove 842, and then the connecting bolt 843 is in threaded connection with the groove walls of the positioning connecting groove 841 and the fixed connecting groove 842, and meanwhile, the bolt head of the connecting bolt 843 is positioned in the abdicating groove 844, so that the pressing plate 5 can be replaced.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a die-cut mould of high-efficient many drifts, includes cover half (1) and movable mould (2), its characterized in that: still including setting up drift (3) that are close to cover half (1) one end in movable mould (2), drift (3) have two at least, die-cut mould is still including setting up in cover half (1) towards punching a hole (4) of movable mould (2) one side, setting up clamp plate (5) between cover half (1) and movable mould (2) and run through groove (51) of play that sets up on clamp plate (5), clamp plate (5) slide along movable mould (2) direction of movement, punch a hole (4), go out groove (51), drift (3) one-to-one setting and it is relative along movable mould (2) direction of movement.

2. A high efficiency multi-punch blanking die as set forth in claim 1, wherein: the cover is equipped with uide bushing (6) on movable mould (2) periphery wall, uide bushing (6) slide along movable mould (2) moving direction, clamp plate (5) set up the one end that is close to cover half (1) in uide bushing (6).

3. A high efficiency multi-punch blanking die as set forth in claim 2, wherein: the guide sleeve (6) is characterized in that a guide groove (63) is formed in the peripheral wall of the guide sleeve (6), the guide groove (63) extends along the moving direction of the movable die (2), a guide block (64) is arranged on the peripheral wall of the movable die (2), and the guide block (64) is connected with the guide groove (63) in a sliding mode.

4. A high efficiency multi-punch blanking die as set forth in claim 2, wherein: and a balance hole (61) far away from the outlet groove (51) is arranged on the pressure plate (5) in a penetrating way.

5. A high efficiency multi-punch blanking die as set forth in claim 1, wherein: and a positioning column (11) is arranged on the peripheral wall of the fixed die (1).

6. A high efficiency multi-punch blanking die as set forth in claim 2, wherein: one end of the peripheral wall of the guide sleeve (6), which is far away from the pressing plate (5), is provided with a connecting plate (62), and a positioning hole (621) is formed in the peripheral wall of the connecting plate (62).

7. A high efficiency multi-punch blanking die as set forth in claim 2, wherein: moving die (2) have cardboard (8) towards the one end of cover half (1) through the screw connection, form card chamber (81) between cardboard (8) and moving die (2) end wall, run through on cardboard (8) the diapire be provided with card chamber (81) communicating draw-in groove (82), the one end that cover half (1) was kept away from in drift (3) is provided with fixture block (83), fixture block (83) are located card chamber (81), fixture block (83) along moving die (2) moving direction's lateral wall respectively with moving die (2) end wall and cardboard (8) butt, drift (3) are worn to establish in draw-in groove (82), draw-in groove (82) cell wall and drift (3) lateral wall butt, clamp plate (5) are connected with uide bushing (6) through connecting piece (84).

8. A high efficiency multi-punch blanking die as set forth in claim 7, wherein: connecting piece (84) are close to location even groove (841) on cover half (1) one end wall including sunken setting in uide bushing (6), location even groove (841) has at least two, connecting piece (84) are still including setting up fixed even groove (842) on clamp plate (5), fixed even groove (842) and location even groove (841) one-to-one setting, threaded connection has connecting bolt (843) between fixed even groove (842) and location even groove (841), clamp plate (5) are close to the one end of cover half (1) and are provided with groove of stepping down (844), it communicates with each other all around and with fixed even groove (842) to step down groove (844) to be located fixed even groove (842), the bolt head of connecting bolt (843) is located groove of stepping down (844).

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