CN211218281U - Stamping die suitable for sheet metal component punches a hole - Google Patents

Stamping die suitable for sheet metal component punches a hole Download PDF

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Publication number
CN211218281U
CN211218281U CN201922128253.8U CN201922128253U CN211218281U CN 211218281 U CN211218281 U CN 211218281U CN 201922128253 U CN201922128253 U CN 201922128253U CN 211218281 U CN211218281 U CN 211218281U
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China
Prior art keywords
sheet metal
metal component
hole
mould
stamping die
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CN201922128253.8U
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Chinese (zh)
Inventor
杨琳
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Shanghai Changqing Sheet Metal Case Manufacturing Co ltd
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Shanghai Changqing Sheet Metal Case Manufacturing Co ltd
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Abstract

The utility model relates to a stamping die suitable for sheet metal component punches a hole belongs to the technical field of panel beating processing equipment, and it includes mould and lower mould, be provided with a plurality of reference columns that supply the sheet metal component location on the lower mould, still seted up a plurality of punching a hole on the lower mould, it is connected with the drift to go up the correspondence position of punching a hole, it has the movable groove to open in the last mould, the inslot cunning that moves is connected with removes the double-screw bolt, the one end that removes the double-screw bolt and keep away from last mould is connected with the material returned board, the material returned board corresponds the drift position and sets up the hole of wearing out that supplies the drift to wear out, centre gripping elastic component between material returned board and the last mould, the. The utility model discloses have and after punching a hole to the sheet metal component, be difficult for appearing the effect that the sheet metal component adsorbs on the drift.

Description

Stamping die suitable for sheet metal component punches a hole
Technical Field
The utility model belongs to the technical field of the technique of sheet metal processing equipment and specifically relates to a stamping die suitable for sheet metal component punches a hole.
Background
The sheet metal is a comprehensive cold machining process for sheet metal, and the sheet metal part is a product machined by the sheet metal process. The sheet metal component often sets up the through-hole, generally adopts punch press and cut-out press to come the through-hole.
The existing punching die generally comprises an upper die plate and a lower die plate, wherein a punch is arranged on the bottom surface of the upper die plate, a blanking hole matched with the punch is formed in the lower die plate, a sheet metal part is arranged on the lower die plate, the punch is driven by the descending of the upper die plate to impact the sheet metal part, a through hole is formed in the sheet metal part, and punched waste materials are output through the blanking hole.
The traditional Chinese patent with publication number CN208643800U discloses a sheet metal punching device, which comprises a base, wherein the front and the rear of the top of the base are respectively provided with a first sliding groove, the left and the right of the top of the base are respectively provided with a second sliding groove, the insides of the first sliding groove and the second sliding groove are respectively connected with a first sliding plate in a sliding manner, the top of the first sliding plate is fixedly connected with a support, a long rod is movably inserted between the left support and the right support, a support plate is movably sleeved outside the long rod and positioned between the two supports, the inside of the support plate is provided with a first through hole corresponding to the long rod, a short rod penetrating through the support plate is movably inserted between the front support and the rear support, both ends of the long rod and the short rod and positioned outside the supports are respectively connected with a baffle plate in a threaded manner, the inside of the support plate is provided with a second through hole corresponding to, the inside of the first sliding groove and two sides of the support are connected with two sliding plates II in a sliding mode, the top of each sliding plate II is fixedly connected with a clamping seat, the top of each clamping seat is connected with a bolt II penetrating through the top wall of the clamping seat in a threaded mode, the bottom of each bolt II is fixedly connected with an anti-slip pad, and the inside of each sliding plate I and the inside of each sliding plate II are fixedly connected with fastening devices.
The above prior art solutions have the following drawbacks: when punching a hole to the sheet metal component, the sheet metal component has the back of punching a hole and adsorbs on the drift and not separate with the drift, causes the follow-up condition that can not continuously punch a hole to the sheet metal component to the punching efficiency to the sheet metal component has been reduced.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, one of the purposes of the utility model is to provide a have and punch a hole the back to the sheet metal component, be difficult for appearing the stamping die that the sheet metal component adsorbs on the drift.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a stamping die suitable for sheet metal component punches a hole, includes mould and lower mould, be provided with a plurality of reference columns that supply the sheet metal component location on the lower mould, still seted up a plurality of punches a hole on the lower mould, it is connected with the drift to go up the position that punches a hole that corresponds, it has seted up the movable groove to go up in the mould, the movable groove internal slipping is connected with the removal double-screw bolt, the one end that the last mould was kept away from to the removal double-screw bolt is connected with the material returned board, the material returned board corresponds the drift position and sets up the hole of wearing out that supplies the drift to wear out, centre gripping elastic component between material returned board and the last.
Through adopting above-mentioned technical scheme, when punching a hole to the sheet metal component, the sheet metal component is fixed a position under the effect of reference column, so that can be accurate to the position that needs punched a hole process of punching a hole, at the in-process that punches a hole, because the material returned board is connected with the removal double-screw bolt, so that the material returned board can be shortened and go up the mould distance by the compression in stamping process, thereby expose the drift and punch a hole, and compress the elastic component when punching a hole, make after punching a hole, the material returned board is pushed out under the effect of elastic component, thereby form the effect of popping out the sheet metal component, realize that the sheet metal component is difficult for and the condition that the adhesion appears in the mould, the efficiency of punching a hole to the sheet metal component has.
The present invention may be further configured in a preferred embodiment as: the section of the movable groove is in a spline hole shape, and one end, far away from the end connected with the stripper plate, of the movable stud is fixedly provided with a sliding lug matched with the movable groove.
By adopting the technical scheme, the movable stud is connected with the movable groove in a sliding manner, and the end part of the movable stud is provided with the sliding lug matched with the movable groove, so that only sliding occurs between the movable stud and the movable groove in the punching process, rotation is not easy to occur, and a guide effect on the stripper plate is achieved.
The present invention may be further configured in a preferred embodiment as: the stripper plate is characterized in that a connecting column is fixedly arranged at one end, facing the movable stud, of the stripper plate, the section of the connecting column is in a step shape, a jack for inserting the connecting column is formed in one end, facing the connecting column, of the movable stud, and the movable stud is connected with the connecting column through a nut.
By adopting the technical scheme, the section of the connecting column is in the shape of a ladder, and after the end part of the connecting column is inserted into the insertion hole of the movable stud, the movable stud and the stripper plate are fixedly connected under the action of the nut, so that the stripper plate is convenient to disassemble and assemble, and the elastic part is further convenient to disassemble and assemble.
The present invention may be further configured in a preferred embodiment as: an ejection spring is arranged between one end of the movable stud fixedly provided with the sliding lug and the cover plate.
Through adopting above-mentioned technical scheme, set up ejecting spring between removal double-screw bolt and apron, ejecting spring atress compression when punching a hole, after punching a hole, the material returned plate resets under ejecting spring and elastic component's combined action, realizes popping out the effect of sheet metal component to as for the sheet metal component is difficult for the adhesion on the material returned plate.
The present invention may be further configured in a preferred embodiment as: the stripper plate is provided with a plurality of limiting holes along the circumference, the limiting holes are internally provided with reset springs, one ends of the reset springs are connected with the bottom wall of the positioning groove, and the other ends of the reset springs are connected with one side of the positioning sheet.
Through adopting above-mentioned technical scheme, one side towards the lower mould sets up the spacer on the material returning plate to the spacer is in the periphery of wearing the hole, so that when punching a hole to the sheet metal component, the spacer at first contacts with the sheet metal component, and reset spring atress compression when punching a hole, the spacer plays the effect of pressing to the position of punching a hole simultaneously, make the position of punching a hole be difficult for appearing receiving the punching press to turn over the phenomenon of rolling over, and under the effect of spacer, make the sheet metal component be difficult for the adhesion more on the material returning plate.
The present invention may be further configured in a preferred embodiment as: and a cushion pad is pasted on one side of the positioning plate, which is far away from the side connected with the return spring.
Through adopting above-mentioned technical scheme, under the effect of blotter, when realizing punching a hole, the spacer is difficult for causing the damage to the sheet metal component.
The present invention may be further configured in a preferred embodiment as: the elastic piece is made of a beef tendon material.
Through adopting above-mentioned technical scheme, the cowhells material has good elastic deformation ability to make after punching a hole, the elastic component possesses the ability of popping down the sheet metal component.
The present invention may be further configured in a preferred embodiment as: one side of lower mould still is connected with adjusts the seat, it is connected with spacing clamp splice to slide on adjusting the seat.
Through adopting above-mentioned technical scheme, the spacing clamp splice that slides on adjusting the seat can grasp the part that the sheet metal component was not put down the mould for the perk is difficult for appearing when receiving the punching press in the sheet metal component, and realizes carrying out the centre gripping to the sheet metal component of unidimensional not.
The present invention may be further configured in a preferred embodiment as: the slide has been seted up to the both sides of adjusting the seat, spacing clamp splice cross-section is the type of falling U, the corresponding slide position of spacing clamp splice both sides inner wall is provided with the slider of being connected with the slide slides, the locking screw that is used for locking spacing clamp splice position is all worn to be equipped with in spacing clamp splice both sides.
Through adopting above-mentioned technical scheme, the position on adjusting the seat is carried out according to the size of sheet metal component that spacing clamp splice can be convenient, conveniently carries out the centre gripping to not unidimensional sheet metal component to under locking screw's effect, realize the locking to spacing clamp splice, so that can realize good centre gripping to the sheet metal component, difficult appearance is not hard up.
The present invention may be further configured in a preferred embodiment as: and an elastic pad is adhered to one side of the limiting clamping block facing the lower die.
Through adopting above-mentioned technical scheme, be difficult for causing the centre gripping damage to the sheet metal component under the effect of elastic component.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the movable double-screw bolt is connected with the stripper plate, the movable double-screw bolt slides in the movable groove of the upper die, and the elastic piece is arranged between the stripper plate and the upper die, so that when the sheet metal part is punched, the distance between the stripper plate and the upper die is shortened, the punch is exposed to realize punching of the sheet metal part, and the elastic piece is compressed, so that when the upper die is moved away, the stripper plate is ejected under the action of the elastic piece to push the sheet metal part down, and the effect that the sheet metal part is not easy to adhere to the stripper plate is achieved;
2. through the regulation seat that is located lower mould one side and with adjust under the spacing clamp splice effect that the seat slided and is connected, realize carrying out the centre gripping to not unidimensional sheet metal component, the difficult perk condition of sheet metal component when reaching to punch a hole.
Drawings
Fig. 1 is a schematic view of the overall structure of the present embodiment.
FIG. 2 is a schematic cross-sectional view showing the connection of the movable stud to the connecting post.
Fig. 3 is an exploded view showing a connection manner of the upper mold and the stripper plate.
FIG. 4 is a schematic cross-sectional view of a spacer.
In the figure, 1, an upper die; 11. a punch; 12. a movable groove; 2. a lower die; 21. a positioning column; 22. punching; 3. moving the stud; 31. sliding the lug; 32. a jack; 33. a nut; 4. a material returning plate; 41. connecting columns; 42. positioning a groove; 43. positioning plates; 44. a limiting hole; 45. a return spring; 46. a cushion pad; 47. an outlet hole is formed; 5. an elastic member; 6. a cover plate; 7. ejecting a spring; 8. an adjusting seat; 81. a slideway; 9. a limiting clamping block; 91. a slider; 92. locking the screw; 93. an elastic pad.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Refer to fig. 1, for the utility model discloses a stamping die suitable for sheet metal component punches a hole, including last mould 1 and lower mould 2, it can move towards or keep away from lower mould 2 to go up mould 1, realize compound die and die sinking, lower mould 2 is provided with a plurality of reference columns 21 towards one side of last mould 1, a plurality of 22 that punch a hole have still been seted up on lower mould 2, the sheet metal component that needs 22 that punch a hole is through placing on lower mould 2, and reserve the hole that has with reference column 21 block on the sheet metal component, when realizing that the sheet metal component places on lower mould 2, the position that the sheet metal component needs the blanking hole is corresponded to the 22 that punches a hole, it is connected with removal double-screw bolt 3 to slide in the four corners department of going up mould 1.
Referring to fig. 1, one side of lower mould 2 is connected with adjusts seat 8, slide 81 has been seted up along length direction to the both sides of adjusting seat 8, it is connected with spacing clamp splice 9 to slide in adjusting seat 8, spacing clamp splice 9 cross-section is the type of falling U, the position that spacing clamp splice 9 corresponds the inner wall and corresponds slide 81 is provided with slider 91, realize that spacing clamp splice 9 can slide along adjusting seat 8 according to not unidimensional sheet metal component, reach the effect of carrying out the centre gripping to the sheet metal component, spacing clamp splice 9 is stained with cushion 93 towards one side of lower mould 2, so that be difficult for causing the centre gripping damage to the sheet metal component, threaded connection's locking screw 92 is worn to be equipped with to the both sides of spacing clamp splice 9, when realizing needing the location at spacing clamp splice 9, be difficult for appearing the removal under locking effect.
Referring to fig. 1 and 3, an elastic member 5 is arranged between an upper die 1 and a stripper plate 4, the elastic member 5 in this embodiment is a block supported by a tendon material, a punch 11 with one end connected with the upper die 1 penetrates through the elastic member 5, the punch 11 corresponds to a punched hole 22, a punching hole 47 for the punch 11 to penetrate out is formed in the stripper plate 4 corresponding to the punch 11, so that the sheet metal part is punched 22 when die assembly is performed, and the distance between the stripper plate 4 and the upper die 1 is gradually shortened and the elastic member 5 is compressed when the punch 22 is performed; when the die is opened, the stripper plate 4 is reset under the elastic action of the elastic piece 5, and the sheet metal part is separated from the stripper plate 4 in the resetting process.
Referring to fig. 2 and 3, a movable groove 12 for sliding the movable stud 3 is formed in the position of the upper die 1 corresponding to the movable stud 3, the section of the movable groove 12 is in a spline hole shape, namely, a circular hole is formed in the middle, four rectangular holes are arrayed on the circumference of the circular hole, a sliding lug 31 matched with the movable groove 12 is correspondingly arranged at one end of the movable stud 3 located in the movable groove, so that the movable stud 3 is not easy to rotate relatively after being placed in the movable groove 12 and can only slide relatively, so that the movable stud 3 slides along the movable groove 12 to drive the stripper plate 4 to move in the die assembly process, a cover plate 6 for plugging the movable groove 12 is arranged at one end of the upper die 1 away from the elastic piece 5, the cover plate 6 is fixedly connected with the upper die 1 through bolts, an ejection spring 7 is further arranged between one end of the movable stud 3 provided with the sliding lug 31 and the cover plate 6, and the ejection spring 7 is used for realizing die opening, the stripper plate 4 is pushed to eject, so that the sheet metal part is not easy to adhere to the stripper plate 4.
Referring to fig. 2, an insertion hole 32 is formed in one end, away from the ejection spring 7, of the movable stud 3, a connection column 41 inserted into the movable stud 3 is arranged on one side, facing the movable stud 3, of the stripper plate 4, the section of the connection column 41 is stepped, the end portion of the connection column 41 is inserted into the insertion hole 32, the outer diameter of the connection column 41 is the same as that of the movable stud 3, threads are arranged on the part, not inserted into the movable stud 3, of the connection column 41 and the outer wall of the movable stud 3, the connection column 41 is connected with the movable stud 3 through a nut 33, the part, connected with the nut 33, of the connection column 41 is inserted into the movable stud 3, so that the stripper plate 4 and the movable stud 3 can be conveniently disassembled and assembled, and the elastic part 5.
Referring to fig. 4, a positioning groove 42 is further formed in one side of the stripper plate 4, which is away from the elastic element 5, the positioning groove 42 is communicated with a through hole 47 and is located at the outer edge of the through hole 47, a plurality of limiting holes 44 are circumferentially arrayed on the bottom wall of the positioning groove 42, a return spring 45 is arranged in each limiting hole 44, one end of each return spring 45 is fixedly connected with the bottom wall of each limiting hole 44, the other end of each return spring 45 is connected with a positioning piece 43, the shape of each positioning piece 43 is matched with that of each positioning groove 42, each positioning piece initially penetrates out of the positioning groove 42 under the action of each return spring 45, and a cushion 46 is attached to one side; when the die is assembled, the cushion pad 46 protects the edges of the portions of the sheet metal parts needing to be punched 22 from being easily deformed by pressure, and the sheet metal parts are enabled to be more difficultly adhered to the stripper plate 4 under the action of the positioning sheet 43.
The implementation principle of the embodiment is as follows: the movable groove 12 is formed in the upper die 1, so that the movable stud 3 can slide in the movable groove 12, one end of the movable stud 3 is connected with the stripper plate 4 through the nut 33 and is convenient to disassemble and assemble, so that the elastic part 5 can be conveniently arranged between the stripper plate 4 and the upper die 1, when the die is closed, the movable stud 3 is pressed in the movable groove 12 to slide, the elastic part 5 is compressed, the positioning plate 43 is compressed into the positioning groove 42, the stripper plate 4 is reset under the elastic action of the elastic part 5 when the die is opened, and the sheet metal part is not easy to adhere to the stripper plate 4 under the action of the positioning plate 43 and the elastic part 5; under the clamping effect of the limiting clamping block 9, the sheet metal part is positioned and clamped, so that the sheet metal part is not easy to be pressed and tilted when the sheet metal part is punched by the punching die 22.
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 (10)

1. The utility model provides a stamping die suitable for sheet metal component punches a hole, includes mould (1) and lower mould (2), its characterized in that: be provided with reference column (21) of a plurality of confession sheet metal component location on lower mould (2), still seted up a plurality of (22) that punch a hole on lower mould (2), it has drift (11) to go up mould (1) correspondence punch a hole (22) position connection, it has movable groove (12) to open in last mould (1), the internal sliding of movable groove (12) is connected with and removes double-screw bolt (3), the one end that removes double-screw bolt (3) and keep away from last mould (1) is connected with material returned board (4), material returned board (4) correspond drift (11) position and set up the hole (47) of wearing out that supplies drift (11) to wear out, centre gripping elastic component (5) between material returned board (4) and last mould (1), drift (11) are worn to establish in elastic component (5), it is connected with apron (6) to go up one side that mould (1) deviates.
2. The stamping die suitable for sheet metal component punching of claim 1, characterized in that: the section of the movable groove (12) is in a spline hole shape, and one end, far away from the end connected with the stripper plate (4), of the movable stud (3) is fixedly provided with a sliding lug (31) matched with the movable groove (12).
3. The stamping die suitable for sheet metal component punching of claim 2, characterized in that: the stripper plate (4) is provided with a connecting column (41) towards one end of the movable stud (3), the section of the connecting column (41) is in a step shape, one end of the movable stud (3) towards the connecting column (41) is provided with a jack (32) for the connecting column (41) to be inserted, and the movable stud (3) is connected with the connecting column (41) through a nut (33).
4. The stamping die suitable for sheet metal component punching of claim 3, characterized in that: an ejection spring (7) is arranged between one end of the movable stud (3) fixedly provided with the sliding lug (31) and the cover plate (6).
5. The stamping die suitable for sheet metal component punching of claim 1, characterized in that: the stripper plate (4) is provided with a through hole (47) deviating from the periphery of one side of the elastic part (5), a positioning groove (42) is formed in the periphery of the other side of the stripper plate, a positioning sheet (43) is arranged in the positioning groove (42), a plurality of limiting holes (44) are arranged in the bottom wall of the positioning groove (42) along the circumference, a reset spring (45) is arranged in the limiting holes (44), one end of the reset spring (45) is connected with the bottom wall of the positioning groove (42), and the other end of the reset spring is connected with one side of the.
6. The stamping die suitable for sheet metal component punching of claim 5, characterized in that: a buffer pad (46) is pasted on one side of the positioning sheet (43) which deviates from the side connected with the return spring (45).
7. The stamping die suitable for sheet metal component punching of claim 1, characterized in that: the elastic piece (5) is made of a beef tendon material.
8. The stamping die suitable for sheet metal part punching according to any one of claims 1 to 7, wherein: one side of lower mould (2) still is connected with adjusts seat (8), it is connected with spacing clamp splice (9) to adjust seat (8) gliding.
9. The stamping die suitable for sheet metal component punching of claim 8, characterized in that: slide (81) have been seted up to the both sides of adjusting seat (8), spacing clamp splice (9) cross-section is the type of falling U, spacing clamp splice (9) both sides inner wall corresponds slide (81) position and is provided with slider (91) of being connected with slide (81) slide, locking screw (92) that are used for locking spacing clamp splice (9) position are all worn to be equipped with in spacing clamp splice (9) both sides.
10. The stamping die suitable for sheet metal component punching of claim 9, characterized in that: and one side of the limiting clamping block (9) facing the lower die (2) is adhered with an elastic pad (93).
CN201922128253.8U 2019-11-30 2019-11-30 Stamping die suitable for sheet metal component punches a hole Active CN211218281U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922128253.8U CN211218281U (en) 2019-11-30 2019-11-30 Stamping die suitable for sheet metal component punches a hole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922128253.8U CN211218281U (en) 2019-11-30 2019-11-30 Stamping die suitable for sheet metal component punches a hole

Publications (1)

Publication Number Publication Date
CN211218281U true CN211218281U (en) 2020-08-11

Family

ID=71927614

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922128253.8U Active CN211218281U (en) 2019-11-30 2019-11-30 Stamping die suitable for sheet metal component punches a hole

Country Status (1)

Country Link
CN (1) CN211218281U (en)

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