CN112757379A - A porous locate mode upper die mechanism for piercing press - Google Patents

A porous locate mode upper die mechanism for piercing press Download PDF

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Publication number
CN112757379A
CN112757379A CN202110161531.9A CN202110161531A CN112757379A CN 112757379 A CN112757379 A CN 112757379A CN 202110161531 A CN202110161531 A CN 202110161531A CN 112757379 A CN112757379 A CN 112757379A
Authority
CN
China
Prior art keywords
positioning
upper die
seat
punch
positioning column
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110161531.9A
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Chinese (zh)
Inventor
韦振宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Rongchuang Precision Automation Equipment Co ltd
Original Assignee
Shenzhen Rongchuang Precision Automation Equipment Co ltd
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Filing date
Publication date
Application filed by Shenzhen Rongchuang Precision Automation Equipment Co ltd filed Critical Shenzhen Rongchuang Precision Automation Equipment Co ltd
Priority to CN202110161531.9A priority Critical patent/CN112757379A/en
Publication of CN112757379A publication Critical patent/CN112757379A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26FPERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/02Perforating by punching, e.g. with relatively-reciprocating punch and bed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01Means for holding or positioning work
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/20Cutting beds

Abstract

The invention discloses a porous positioning type upper die mechanism for a punching machine, which comprises an upper die base, wherein a transverse sliding groove is formed in the bottom of the upper die base, a punch pin seat is arranged in the transverse sliding groove, a positioning plate is fixed in the transverse sliding groove, a plurality of positioning holes are formed in the positioning plate, the plurality of positioning holes extend along the length direction of the transverse sliding groove, a vertically arranged positioning column is arranged on the punch pin seat in a penetrating mode and is in sliding fit with the positioning column, a positioning pin capable of being in inserting fit with the positioning hole is formed in the top of the positioning column, a spring is arranged at the bottom of the positioning column, a pull rod capable of moving up and down is arranged on the side portion of the punch pin seat in a penetrating mode, one end of the pull rod is inserted into the side portion of the positioning column, the other end of. The invention is beneficial to realizing the quick and accurate positioning of the position of the punching needle, can meet the high-precision processing requirement and prevent the scrapping of workpieces.

Description

A porous locate mode upper die mechanism for piercing press
Technical Field
The invention relates to a punching machine, in particular to a multi-hole positioning type upper die mechanism for the punching machine.
Background
Among the prior art, PCB board processing equipment that punches a hole generally comprises lower die mechanism and upper die mechanism, lower die mechanism wherein is used for bearing and fixes a position the PCB board, upper die mechanism is used for bearing towards the needle, because the position of punching a hole on the different PCB boards is different, so before the processing of punching a hole, generally can relate to towards needle translation and positioning adjustment, current regulative mode is to slide towards the needle file to the assigned position after, will dash the needle file location in this position, this kind of regulative mode is because of lacking accurate locate function, lead to towards the positioning accuracy of needle not enough, can not satisfy the die-cut processing requirement of high accuracy, and take place the condition such as work piece scrapping very easily.
Disclosure of Invention
The invention aims to solve the technical problem of providing a multi-hole positioning type upper die mechanism for a punching machine, which is beneficial to realizing the quick and accurate positioning of the position of a punching needle, can meet the high-precision machining requirement and prevent the scrapping of workpieces.
In order to solve the technical problems, the invention adopts the following technical scheme.
A multi-hole positioning type upper die mechanism for a punching machine comprises an upper die base, wherein a transverse sliding groove is formed in the bottom of the upper die base, a punch pin base is arranged in the transverse sliding groove and is in sliding fit with the punch pin base, a positioning plate is fixed in the transverse sliding groove, a plurality of positioning holes are formed in the positioning plate and extend along the length direction of the transverse sliding groove, a positioning column which is vertically arranged is arranged on the punch pin base in a penetrating mode and is in sliding fit with the punch pin base, a positioning pin which can be in inserting fit with the positioning hole is formed in the top of the positioning column, a spring is arranged at the bottom of the positioning column, the positioning column is driven to ascend by the elastic force applied by the spring so as to enable the positioning pin to be inserted into the positioning hole in the corresponding position, a pull rod which can move up and down is arranged on the side portion of the punch pin base in a penetrating mode, when the pull rod is pulled downwards, the positioning column is driven to move downwards, so that the positioning pin is separated from the positioning hole.
Preferably, the bottom of the upper die base is fixed with two upper die pressing plates, lateral sliding grooves are respectively formed in two sides of the punch pin base, edges of the two upper die pressing plates are respectively clamped in the two lateral sliding grooves, and the upper die pressing plates are in sliding fit with the lateral sliding grooves.
Preferably, the bottom of the needle punching seat is provided with a fixed seat, the fixed seat is positioned below the positioning column, and the spring clamp is arranged between the positioning column and the fixed seat.
Preferably, an inductive switch seat is installed at the bottom of the fixed seat, an inductive switch is arranged in the inductive switch seat, a triggering end of the inductive switch is arranged opposite to the bottom of the positioning column, and when the positioning column is driven by the pull rod to move downwards, the positioning column triggers the inductive switch so that the inductive switch generates an electric signal.
Preferably, two punching needles which are vertically arranged are fixed on the punching needle seat.
Preferably, lateral tangent planes are respectively formed on two sides of the positioning pin.
Preferably, the end of the pull rod is formed with a knob handle.
In the multi-hole positioning type upper die mechanism for the punching machine, the positioning plate with the plurality of positioning holes is arranged on the inner side of the transverse sliding groove, the positioning column capable of moving up and down is arranged on the punch pin seat, when a user needs to adjust the transverse position of the punch pin seat, the pull rod is only required to be pressed down, so that the pull rod drives the positioning column to move downwards, the positioning pin is separated from the positioning holes, and the punch pin seat can freely slide along the transverse sliding groove at the moment. When the transverse sliding groove slides to a corresponding position, the positioning column is driven to rise by the aid of elastic force applied by the spring, so that the positioning pin is inserted into the positioning hole in the corresponding position, and the punching needle seat is positioned in the transverse sliding groove. Based on the principle, the invention realizes the quick adjustment and the accurate positioning of the position of the punching needle seat, better meets the high-precision processing requirement and can effectively prevent the situations of workpiece scrapping and the like.
Drawings
FIG. 1 is a perspective view of an upper die mechanism of a punch;
FIG. 2 is a first exploded view of the punch mechanism of the punching machine;
FIG. 3 is a second exploded view of the punch mechanism of the punching machine;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is a first structural view of the punch pin and the punch pin seat;
fig. 6 is a second structural diagram of the punch pin and the punch pin seat.
Detailed Description
The invention is described in more detail below with reference to the figures and examples.
Example one
The embodiment provides a porous positioning type upper die mechanism for a punching machine, which is shown in fig. 1 to 6, and comprises an upper die base 1, wherein a transverse sliding groove 10 is formed in the bottom of the upper die base 1, a punch holder 2 is arranged in the transverse sliding groove 10 and is in sliding fit with the punch holder, a positioning plate 11 is fixed in the transverse sliding groove 10, a plurality of positioning holes 12 are formed in the positioning plate 11, the plurality of positioning holes 12 extend along the length direction of the transverse sliding groove 10, a positioning column 3 vertically arranged is arranged on the punch holder 2 in a penetrating manner and is in sliding fit with the punch holder, a positioning pin 30 capable of being in inserting fit with the positioning holes 12 is formed at the top of the positioning column 3, a spring is arranged at the bottom of the positioning column 3, the positioning column 3 is driven to rise by the elastic force exerted by the spring so that the positioning pin 30 is inserted into the positioning hole 12 at the corresponding position, a pull rod 4 capable of, one end of the pull rod 4 is inserted into the side part of the positioning column 3, the other end of the pull rod 4 extends to the outer side of the punch needle seat 2, and when the pull rod 4 is stirred downwards, the positioning column 3 is driven to move downwards, so that the positioning pin 30 is separated from the positioning hole 12.
In the structure, the positioning plate 11 with the positioning holes 12 is arranged on the inner side of the transverse sliding groove 10, the positioning column 3 capable of moving up and down is arranged on the punch pin base 2, when a user needs to adjust the transverse position of the punch pin base 2, the pull rod 4 is only required to be pressed down, so that the pull rod 4 drives the positioning column 3 to move downwards, the positioning pin 30 is separated from the positioning holes 12, and the punch pin base 2 can freely slide along the transverse sliding groove 10 at the moment. When the transverse sliding chute 10 slides to a corresponding position, the positioning column 3 is driven to rise by the elastic force exerted by the spring, so that the positioning pin 30 is inserted into the positioning hole 12 at the corresponding position, and the punch needle seat 2 is positioned in the transverse sliding chute 10. Based on the principle, the invention realizes the quick adjustment and the accurate positioning of the position of the punching needle seat, better meets the high-precision processing requirement and can effectively prevent the situations of workpiece scrapping and the like.
In order to limit the punch pin seat 2, in this embodiment, two upper pressing plates 5 are fixed at the bottom of the upper die seat 1, lateral sliding grooves 20 are respectively formed in two sides of the punch pin seat 2, edges of the two upper pressing plates 5 are respectively clamped in the two lateral sliding grooves 20, and the upper pressing plates 5 are in sliding fit with the lateral sliding grooves 20.
As a preferable structure, a fixing seat 21 is arranged at the bottom of the punch needle seat 2, the fixing seat 21 is located below the positioning column 3, and the spring is clamped between the positioning column 3 and the fixing seat 21.
Further, inductive switch seat 22 is installed to the bottom of fixing base 21, be equipped with inductive switch in the inductive switch seat 22, inductive switch's trigger end with the bottom of reference column 3 sets up relatively, works as pull rod 4 orders about when reference column 3 downstream, reference column 3 triggers inductive switch, so that inductive switch produces an electric signal.
In the above structure, when the user presses the pull rod 4, the inductive switch may be triggered, and the controller of the punching machine may determine the sliding/positioning state of the punch holder 2 according to the electrical signal sent by the inductive switch, so as to perform other corresponding control.
Furthermore, two punching needles 6 which are vertically arranged are fixed on the punching needle seat 2.
In order to facilitate the insertion fit with the positioning holes, in the present embodiment, lateral cut surfaces 31 are respectively formed on two sides of the positioning pin 30.
In order to facilitate manual operation, in the present embodiment, a knob handle 40 is formed at an end of the pull rod 4.
Example two
In practical application, an upper die base mechanism of a punching machine is generally that a transverse sliding groove is formed in the bottom of an upper die base, and then a punching needle base is placed in the transverse sliding groove, and the sliding fit of the punching needle base and the transverse sliding groove is guaranteed. But because of the mutual contact of the opposite sides of the two, the contact position of the two can take place the touching when sliding, and then cause great friction, not only influence the sliding property of towards the needle file, can cause upper die base and towards the needle file to take place wearing and tearing moreover, and then influence the wholeness ability of equipment.
To this end, the present embodiment provides an air-floating sliding type upper die mechanism of a punching machine, which can reduce friction between a punch needle holder and an upper die holder and further improve service life and overall performance, and is shown in fig. 1 to 4, and includes the upper die holder 1, a horizontal chute 10 is provided at the bottom of the upper die holder 1, a punch needle holder 2 and a sliding fit of the punch needle holder and the horizontal chute 10 are provided in the horizontal chute 10, an air passage 23 for injecting compressed air is provided in the punch needle holder 2, a plurality of air holes 24 are respectively provided at two sides of the punch needle holder 2, the air holes 24 are communicated with the air passage 23, and the compressed air injected in the air passage 23 is injected outwards through the air holes 24 and is filled in a gap between the punch needle holder 2 and the horizontal chute 10.
In the mechanism, the air passage 23 is formed in the punch needle seat 2, when the transverse position of the punch needle seat 2 needs to be adjusted, compressed air can be injected into the air passage 23 and is sprayed out through the air holes 24 on the two sides of the punch needle seat 2, and the gap between the punch needle seat 2 and the transverse chute 10 is filled with air, so that the punch needle seat 2 is in an air floating state, the punch needle seat 2 is pulled in the air floating state, the friction between the punch needle seat 2 and the transverse chute 10 can be effectively reduced, compared with the prior art, the mechanism greatly reduces the friction between the punch needle seat and the upper die seat, and effectively prolongs the service life and the overall performance of equipment.
In order to further reduce the contact surface between the punch pin seat and the upper die seat, in this embodiment, the inner side wall of the transverse sliding groove 10 is provided with two transverse step grooves 13 which are parallel to each other.
Correspondingly, the outer side wall of the punch needle seat 2 is provided with a vertical step groove 25.
As an optimal mode, transverse sliding groove 10 internal fixation has locating plate 11, wear to be equipped with on the drift seat 2 be used for with locating plate 11 grafting complex reference column 3, reference column 3 can be relative drift seat 2 is movable from top to bottom, fixing base 21 is installed to the bottom of drift seat 2, inductive switch seat 22 is installed to the bottom of fixing base 21, be equipped with inductive switch in the inductive switch seat 22, inductive switch's trigger end with the bottom of reference column 3 sets up relatively, works as when reference column 3 downstream, reference column 3 triggers inductive switch, so that inductive switch produces an electric signal, the controller of piercing press is according to this electric signal control air flue 23 is linked together with compressed air's air supply.
Based on the electric signal sent by the inductive switch, the controller of the punching machine can automatically control the air passage 23 to be communicated with the air source when the user drives the positioning column 3 to be separated from the positioning plate 11, so that the on-off state of compressed air can be automatically controlled, and the automatic supply requirement of the compressed air is well met.
In order to facilitate connection of an air source, in this embodiment, an end cover 26 is fixed at an end of the syringe base 2 and is in sealing fit with the end cover 26, the end cover 26 covers an opening of the air passage 23, and an air source connector 27 is arranged on the end cover 26.
EXAMPLE III
In practical application, in order to bear the punch needle and drive the punch needle to move horizontally, the punch needle needs to be installed on the punch needle seat, the punch needle vertically penetrates through the punch needle seat in the existing installation mode, and meanwhile, the punch needle head is ensured to be aligned with the position to be processed. The existing punching needle head and the profile of the punching needle knife edge are not complete circles, and the side part of the punching needle head can be provided with a tangent plane, so that the orientation of the tangent plane needs to be adjusted when the punching needle head is assembled, so that the punching needle head is aligned with the punching knife edge up and down.
To this end, the present embodiment provides a punching needle parallel assembly positioning mechanism of a punching machine, which can ensure accurate alignment of a punching needle, is easy to assemble, and does not need manual adjustment, and as shown in fig. 5 and 6, the punching needle parallel assembly positioning mechanism includes a punching needle holder 2 and two punching needles 6, the punching needle holder 2 is provided with two vertically arranged punching needle jacks 60, the punching needle jacks 60 correspond to the punching needles 6 one to one, the punching needles 6 are inserted into the punching needle jacks 60, a punching needle head 61 is formed at the lower end of the punching needle 6, a punching needle cap 62 is formed at the upper end of the punching needle 6, the diameter of the punching needle cap 62 is larger than the diameter of the punching needles 6, a first positioning tangent plane 620 is provided at the edge of the punching needle cap 62, an upper end opening 63 is formed at the top opening of the punching needle jack 60, a second positioning tangent plane 630 is formed at the inner wall of the upper end opening 63, the punching needle cap 62 is clamped in the upper end opening 63, and the first positioning section 620 is closely attached to the second positioning section 630.
In the structure, the edge of the punch pin cap 62 is provided with the first positioning tangent plane 620, the inner wall of the upper end opening 63 is provided with the second positioning tangent plane 630, when the punch pin 6 is installed, the punch pin cap 62 is inserted into the upper end opening 63, the first positioning tangent plane 620 is tightly clamped with the second positioning tangent plane 630, and the punch pin 6 can only be inserted into the punch pin jack 60 in the only direction through the matching action of the first positioning tangent plane 620 and the second positioning tangent plane 630, so that the accurate alignment of the punch pin is ensured.
As a preferable mode, the side of the punch needle head 61 is provided with a punch needle section 610, and the punch needle section 610 corresponds to the first positioning section 620 one by one. Based on the structure, the punching needle head can be accurately aligned with the punching knife edge.
Preferably, a groove 64 is formed in the top surface of the punch needle holder 2, and the punch needle insertion hole 60 is formed in the bottom of the groove 64.
In order to tightly press the needle punching cap 62, in the present embodiment, a pressing plate 65 is fixed in the groove 64, and the pressing plate 65 is pressed on the top of the needle punching cap 62.
Preferably, the punch pin 6 is cylindrical, and the diameter of the punch pin 61 is smaller than that of the punch pin 6.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the technical scope of the present invention should be included in the scope of the present invention.

Claims (7)

1. The porous positioning type upper die mechanism for the punching machine is characterized by comprising an upper die base (1), wherein a transverse sliding groove (10) is formed in the bottom of the upper die base (1), a punch pin seat (2) is arranged in the transverse sliding groove (10) and is in sliding fit with the punch pin seat, a positioning plate (11) is fixed in the transverse sliding groove (10), a plurality of positioning holes (12) are formed in the positioning plate (11), the positioning holes (12) extend along the length direction of the transverse sliding groove (10), a positioning column (3) which is vertically arranged is arranged on the punch pin seat (2) in a penetrating mode and is in sliding fit with the punch pin seat, a positioning pin (30) which can be in inserting fit with the positioning holes (12) is formed in the top of the positioning column (3), a spring is arranged at the bottom of the positioning column (3), and the positioning column (3) is driven to rise by the elasticity, the positioning pin (30) is inserted into the positioning hole (12) in the corresponding position, a pull rod (4) capable of moving up and down penetrates through the side portion of the punch needle seat (2), one end of the pull rod (4) is inserted into the side portion of the positioning column (3), the other end of the pull rod (4) extends towards the outer side of the punch needle seat (2), and the positioning column (3) is driven to move downwards when the pull rod (4) is stirred downwards so that the positioning pin (30) is separated from the positioning hole (12).
2. The porous positioning type upper die mechanism for the punching machine according to claim 1, wherein two upper pressing plates (5) are fixed at the bottom of the upper die holder (1), lateral sliding grooves (20) are respectively formed on two sides of the punch pin base (2), edges of the two upper pressing plates (5) are respectively clamped in the two lateral sliding grooves (20), and the upper pressing plates (5) are in sliding fit with the lateral sliding grooves (20).
3. The multi-hole positioning type upper die mechanism for the punching machine according to claim 1, wherein a fixed seat (21) is arranged at the bottom of the punch needle seat (2), the fixed seat (21) is positioned below the positioning column (3), and the spring is clamped between the positioning column (3) and the fixed seat (21).
4. The multi-hole positioning type upper die mechanism for the punching machine is characterized in that an induction switch seat (22) is installed at the bottom of the fixed seat (21), an induction switch is arranged in the induction switch seat (22), an triggering end of the induction switch is arranged opposite to the bottom of the positioning column (3), and when the pull rod (4) drives the positioning column (3) to move downwards, the positioning column (3) triggers the induction switch so that the induction switch generates an electric signal.
5. The multihole positioning upper die mechanism for a punching machine according to claim 1, wherein two vertically arranged punching pins (6) are fixed to the punch holder (2).
6. The multibore positioning type upper die mechanism for a punching machine according to claim 1, wherein the positioning pins (30) are formed with lateral cut surfaces (31) on both sides thereof, respectively.
7. Multihole positioning upper die mechanism for a punching machine according to claim 1, characterized in that the end of the tie rod (4) is formed with a knob handle (40).
CN202110161531.9A 2021-02-05 2021-02-05 A porous locate mode upper die mechanism for piercing press Pending CN112757379A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110161531.9A CN112757379A (en) 2021-02-05 2021-02-05 A porous locate mode upper die mechanism for piercing press

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110161531.9A CN112757379A (en) 2021-02-05 2021-02-05 A porous locate mode upper die mechanism for piercing press

Publications (1)

Publication Number Publication Date
CN112757379A true CN112757379A (en) 2021-05-07

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Application Number Title Priority Date Filing Date
CN202110161531.9A Pending CN112757379A (en) 2021-02-05 2021-02-05 A porous locate mode upper die mechanism for piercing press

Country Status (1)

Country Link
CN (1) CN112757379A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113353719A (en) * 2021-06-01 2021-09-07 广东拓斯达科技股份有限公司 Connecting wire transfer mechanism
CN115055577A (en) * 2022-06-29 2022-09-16 深圳市荣创精密自动化设备有限公司 Automatic positioning mechanism for upper punching die and punching machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113353719A (en) * 2021-06-01 2021-09-07 广东拓斯达科技股份有限公司 Connecting wire transfer mechanism
CN113353719B (en) * 2021-06-01 2022-09-16 广东拓斯达科技股份有限公司 Connecting wire transfer mechanism
CN115055577A (en) * 2022-06-29 2022-09-16 深圳市荣创精密自动化设备有限公司 Automatic positioning mechanism for upper punching die and punching machine

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