CN214819130U

CN214819130U - Punching needle parallel assembly positioning mechanism of punching machine

Info

Publication number: CN214819130U
Application number: CN202120346389.0U
Authority: CN
Inventors: 李招兰
Original assignee: Shenzhen Ruirong Automation Co ltd
Current assignee: Shenzhen Ruirong Automation Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-11-23
Anticipated expiration: 2031-02-05

Abstract

The utility model discloses a parallel assembly positioning mechanism of punching needle of piercing press, it is including punching needle file and two punching needles, the punching needle jack of having seted up two vertical settings on the punching needle file, punching needle jack with punching needle one-to-one, just it inserts and locates to punch in the needle jack, the lower extreme of punching the needle is formed with and punches the syringe needle head, the upper end of punching the needle is formed with the punching needle cap, the diameter of punching the syringe needle cap is greater than the diameter of punching the needle, first location tangent plane has been seted up to the edge of punching the syringe needle cap, the open-top department of punching the syringe needle jack is formed with the upper end opening, upper end open-ended inner wall is formed with second location tangent plane, it locates to punch the syringe needle cap card in the upper end opening, just first location tangent plane with the second location tangent plane closely laminates. The utility model discloses can guarantee to dash accurate counterpoint of needle, easily assemble simultaneously, need not manual regulation.

Description

Punching needle parallel assembly positioning mechanism of punching machine

Technical Field

The utility model relates to a piercing press especially relates to a parallel assembly positioning mechanism of punching needle of piercing press.

Background

In the prior art, a PCB board punching processing device generally comprises a lower die mechanism and an upper die mechanism, wherein the lower die mechanism is used for bearing and positioning a PCB board, and the upper die mechanism is used for bearing a punching pin. 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.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to prior art's not enough, provide one kind and can guarantee to dash the accurate counterpoint of needle, easily assemble simultaneously, need not the parallel assembly positioning mechanism of punching needle of the piercing press of manual regulation.

In order to solve the technical problem, the utility model adopts the following technical scheme.

A punching needle parallel assembly positioning mechanism of a punching machine comprises a punching needle seat and two punching needles, wherein the punching needle seat is provided with two vertically arranged punching needle jacks, the punching needle jacks correspond to the punching needles in a one-to-one mode, the punching needles are inserted into the punching needle jacks, a punching needle head is formed at the lower ends of the punching needles, a punching needle cap is formed at the upper end of the punching needles, the diameter of the punching needle cap is larger than that of the punching needles, a first positioning tangent plane is arranged at the edge of the punching needle cap, an upper end opening is formed at the top opening of the punching needle jacks, a second positioning tangent plane is formed at the inner wall of the upper end opening, the punching needle cap is clamped in the upper end opening, and the first positioning tangent plane is tightly attached to the second positioning tangent plane.

Preferably, the side part of the punching needle head is provided with a punching needle section, and the punching needle section corresponds to the first positioning section one by one.

Preferably, the top surface of the punching needle seat is provided with a groove, and the punching needle jack is arranged at the bottom of the groove.

Preferably, a pressing plate is fixed in the groove and is pressed on the top of the needle punching cap.

Preferably, the punch needle is cylindrical, and the diameter of the punch needle head is smaller than that of the punch needle.

The utility model discloses an among the parallel assembly positioning mechanism of towards needle of piercing press the edge of towards needle cap has seted up first location tangent plane, is in simultaneously upper end open-ended inner wall sets up second location tangent plane, is installing when towards the needle, will towards the needle cap insert locate in the upper end opening, and make first location tangent plane with the inseparable block of second location tangent plane, through first location tangent plane with the cooperation of second location tangent plane makes towards the needle can only insert with only direction towards the needle jack, and then guarantees towards the needle accurate counterpoint, simultaneously, the utility model discloses need not the manual regulation position when the installation is towards the needle, consequently change in the assembly, satisfied the technological requirement betterly.

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 present invention will be described in more detail with reference to the accompanying drawings and examples.

Example one

The embodiment provides a punching needle parallel assembly positioning mechanism of a punching machine, which is shown in a combined figure 5 and a figure 6, the punching needle structure comprises a punching needle base 2 and two punching needles 6, wherein two vertically arranged punching needle jacks 60 are arranged on the punching needle base 2, the punching needle jacks 60 correspond to the punching needles 6 one by one, and the punching needle 6 is inserted into the punching needle insertion hole 60, a punching needle head 61 is formed at the lower end of the punching needle 6, a punch needle cap 62 is formed at the upper end of the punch needle 6, the diameter of the punch needle cap 62 is larger than that of the punch needle 6, a first positioning section 620 is arranged at the edge of the punch needle cap 62, an upper end opening 63 is formed at the opening at the top of the punch needle jack 60, a second positioning section 630 is formed on the inner wall of the upper end opening 63, the needle punching cap 62 is clamped in the upper end opening 63, and the first positioning section 620 is tightly attached to the second positioning section 630.

In the structure, towards needle cap 62's edge seted up first location tangent plane 620, be in simultaneously the inner wall of upper end opening 63 sets up second location tangent plane 630, is installing towards needle 6 time, will towards needle cap 62 inserts and locates in the upper end opening 63, and make first location tangent plane 620 with the inseparable block of second location tangent plane 630, through first location tangent plane 620 with the cooperation of second location tangent plane 630 makes towards needle 6 can only insert with only direction towards needle jack 60, and then guarantees towards the accurate counterpoint of needle, simultaneously, the utility model discloses need not the manual regulation position when the installation is towards the needle, consequently change in the assembly, better satisfied the technological requirement.

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.

Example two

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 moving up and down is arranged at the side part of the punch holder 2 in a penetrating manner, 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 above principle, the utility model discloses a quick adjustment and accurate location of towards needle seat position better satisfy the high accuracy processing requirement, can prevent effectively that the condition such as work piece from scrapping from taking place.

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 III

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.

Among the above-mentioned mechanism, wash and seted up air flue 23 in the needle file 2, adjust as needs wash during the transverse position of needle file 2, can to inject compressed air in the air flue 23, compressed air via wash the 24 blowout of gas pocket of 2 both sides of needle file, wash needle file 2 with be full of the air in the clearance of transverse sliding groove 10, make wash needle file 2 and be the air supporting state, pull under this state wash needle file 2, can effectively reduce wash needle file 2 with friction between the transverse sliding groove 10 compares prior art, the utility model discloses the greatly reduced wash the friction between needle file and the last die holder, effectively improved the life and the wholeness ability 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.

The above is only the embodiment of the present invention, and is not intended to limit the present invention, and all modifications, equivalent replacements or improvements made within the technical scope of the present invention should be included within the protection scope of the present invention.

Claims

1. The punching needle parallel assembly positioning mechanism of the punching machine is characterized by comprising a punching needle seat (2) and two punching needles (6), wherein the punching needle seat (2) is provided with two vertically arranged punching needle jacks (60), the punching needle jacks (60) correspond to the punching needles (6) one by 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 that of the punching needle (6), a first positioning tangent plane (620) is formed 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 on the inner wall of the upper end opening (63), and the punching needle cap (62) is clamped in the upper end opening (63), and the first positioning tangent plane (620) is tightly jointed with the second positioning tangent plane (630).

2. The parallel assembling and positioning mechanism for punching pin of punching machine according to claim 1, characterized in that the side of the punching pin head (61) is provided with a punching pin section (610), and the punching pin section (610) is corresponding to the first positioning section (620) one by one.

3. The parallel assembling and positioning mechanism for the punching needle of the punching machine according to claim 1, characterized in that the top surface of the punching needle seat (2) is provided with a groove (64), and the punching needle insertion hole (60) is arranged at the bottom of the groove (64).

4. The parallel pin-punching assembly positioning mechanism of punching machine according to claim 3, characterized in that a pressing plate (65) is fixed in said groove (64), and said pressing plate (65) is pressed on the top of said pin-punching cap (62).

5. The punch pin parallel fitting positioning mechanism of the punching machine according to claim 1, wherein the punch pin (6) is cylindrical, and the diameter of the punch pin head (61) is smaller than the diameter of the punch pin (6).