CN213499653U - Upper punch die for punching machine - Google Patents
Upper punch die for punching machine Download PDFInfo
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- CN213499653U CN213499653U CN202022075059.0U CN202022075059U CN213499653U CN 213499653 U CN213499653 U CN 213499653U CN 202022075059 U CN202022075059 U CN 202022075059U CN 213499653 U CN213499653 U CN 213499653U
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Abstract
The utility model discloses an upper punching die used in a punching machine, wherein a clamping piece is arranged between a punching head and an installation cavity; the locking and positioning mechanism is provided with a trigger device, the base is provided with an inductive switch, and when the locking and positioning mechanism is separated from the positioning hole, the trigger device is close to the inductive switch to output an abnormal induction signal and feed back the abnormal induction signal to a control system of the punching machine. Through being equipped with the fastener between installation cavity and drift, make the firm fixing of drift in the installation cavity, avoid the drift direction of punching a hole to change, guaranteed the accuracy and the direction accuracy of punching a hole. Meanwhile, a trigger device is arranged through the locking and positioning mechanism, an inductive switch is arranged on the base, when the upper stamping die needs to be detached, the locking and positioning mechanism is pressed downwards, the trigger device moves downwards and is conducted with the inductive switch in an inductive mode, the inductive switch transmits an inductive signal to the control system, and the control system controls equipment to stop working, so that the manual working safety is guaranteed, and the damage of the upper stamping die is avoided; just the utility model discloses install more convenient and quick.
Description
Technical Field
The utility model relates to a PCB board piercing press field technique especially indicates an upper punch die for in piercing press.
Background
With the progress of science and technology, the application of the PCB is more and more extensive, the PCB needs to be punched by a punching machine, and a mechanism for punching the PCB in the punching machine is an upper punching die.
The base on the upper punching die is matched with the positioning hole of the die positioning seat, the positioning holes are multiple, and because the sizes of workpieces punched by the punching die at each time are different, different upper punching dies need to be replaced.
When the upper die is manually disassembled and installed in different positioning holes, due to the fact that the upper die and the die positioning seat are not transparent, an assembler cannot judge whether the pin is completely aligned with the positioning holes or not and whether the pin is completely inserted into the positioning holes or not through human eyes. If the press is started without complete locking and positioning, the equipment may be damaged, and in severe cases, workers may be injured.
And the drift in the upper punch die is fixed in the installation cavity of base through the fixed mode of pegging graft, and after long-time the use, the drift probably takes place to rotate in the installation cavity to the direction of drift portion has been changed, and the direction of punching a hole that makes the punching on the PCB board changes, thereby leads to the product defective rate to improve.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides an upper punch die for a punching machine, which effectively solves the problem that the punch may rotate in the installation cavity and ensures the safety of production and processing.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an upper punch for punching machine is composed of a die locating seat with locating holes, a locking and locating mechanism on the base of upper punch and able to be elastically pressed, and a fixing unit for fixing the upper punch to said locating seat,
the upper surface and the lower surface of the base are provided with mounting cavities in a penetrating manner; a punch of the upper punching die is arranged in the mounting cavity, and a clamping piece for preventing the punch from rotating in the mounting cavity is arranged between the punch and the mounting cavity; the locking and positioning mechanism is provided with a trigger device, the corresponding base is provided with an inductive switch, the trigger device and the inductive switch can form a pair of inductors, when the locking and positioning mechanism is upwards inserted into the positioning hole, the trigger device is far away from the inductive switch and has no abnormal induction signal output, and when the locking and positioning mechanism is separated from the positioning hole, the trigger device is close to the inductive switch and outputs an abnormal induction signal to be fed back to a control system of the punching machine.
Preferably, sliding grooves for mounting the upper punching die are concavely arranged on the outer walls of the two sides of the base.
As a preferable scheme, the punch comprises a main body part and a punch part which are integrally formed and connected, the top end of the main body part is radially expanded to extend out to form an installation part, and a first clamping groove is concavely arranged on the outer wall of the installation part; the installation cavity comprises a first cavity, a second cavity and a third cavity which are sequentially communicated from top to bottom, the aperture of the first cavity is larger than that of the second cavity, the aperture of the second cavity is larger than that of the third cavity, the installation part is positioned in the first cavity, a second clamping groove is concavely arranged on the inner wall of the first cavity, the second clamping groove is opposite to the first clamping groove, and the clamping piece is inserted between the first clamping groove and the second clamping groove and is clamped and fixed; a gap is reserved between the outer wall of the upper end of the main body part and the inner wall of the second cavity; the outer wall of the lower end of the main body part is tightly inserted and fixed with the inner wall of the third cavity.
As a preferred scheme, the first clamping groove and the second clamping groove are both semicircular, correspondingly, the clamping piece is a cylindrical bolt, and the bolt is inserted into the first clamping groove and the second clamping groove to be clamped and fixed.
As a preferred scheme, the number of the punches is two, the number of the corresponding installation cavities is two, and the two punches are installed in the corresponding installation cavities and fixed; the punch head part of one punch head is cylindrical, and the punch head part of the other punch head is rectangular.
Preferably, a sealing plate is locked to the top surface of the base for sealing the top surface of the punch.
As a preferred scheme, the inductive switch is a hall sensor, and correspondingly, the trigger device is a magnet which is conducted with the hall sensor in a magnetic induction way; and the bottom surface of base is equipped with a safety cover to inductive switch, and inductive switch is located the safety cover.
As a preferred scheme, the locking and positioning mechanism comprises a main body, a pressure rod, a pressure spring and an installation rod; the top surface of the main body is provided with a pin which is exposed out of the top surface of the base; one end of the pressure lever is fixed on the main body, the other end of the pressure lever is exposed out of the side surface of the base, and the pressure lever is pressed downwards to drive the main body to move downwards; the lower end of the pressure spring abuts against the base, the upper end of the pressure spring abuts against the main body, and the pressure spring urges the main body to restore upwards; the mounting rod is arranged on the bottom surface of the main body and moves along with the main body, and a through groove for the mounting rod to pass through is arranged on the inner surface and the outer surface of the protective cover in a penetrating manner; the trigger device is arranged on the mounting rod and moves along with the mounting rod.
As a preferred scheme, the main body is cylindrical, the bottom surface of the main body is upwards concavely provided with a positioning groove, and the upper end of the pressure spring extends into the positioning groove and abuts against the inner wall of the positioning groove; correspondingly, a positioning column is convexly arranged on the inner wall of the base, and the lower end of the pressure spring is sleeved outside the positioning column for positioning.
As a preferred scheme, the outer end of the pressure lever is of an expanding structure convenient for being pressed by hands.
Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:
through being equipped with between installation cavity and drift and preventing the rotatory fastener of drift in the installation cavity, what make the drift firm fixes in the installation cavity, avoids the drift to punch a hole the direction and changes, has guaranteed the accuracy and the direction accuracy of punching a hole, avoids the appearance of product defective products. Meanwhile, a trigger device is arranged at the lower end of the locking and positioning mechanism, a corresponding inductive switch connected with the control system is arranged at the lower end of the base, when the upper stamping die needs to be detached, the locking and positioning mechanism is pressed down, the trigger device moves downwards along with the upper stamping die and is inductively conducted with the inductive switch, the inductive switch transmits an inductive signal to the control system, and the control system controls equipment to stop working, so that the manual working safety is ensured and the upper stamping die is prevented from being damaged; just the utility model discloses install more convenient and quick.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic view illustrating an upper punch of a preferred embodiment of the present invention mounted on a die positioning seat;
fig. 2 is another view of the upper punch of the preferred embodiment of the present invention mounted on the die positioning seat;
FIG. 3 is a perspective view of the preferred embodiment of the present invention;
fig. 4 is an exploded view of the preferred embodiment of the present invention;
fig. 5 is a cross-sectional view of a preferred embodiment of the invention.
The attached drawings indicate the following:
1. upper punch die 2 and die positioning seat
2a, positioning holes
10. Base 11 and mounting cavity
101. First chamber 102, second chamber
103. Third chamber 12, chute
13. Positioning column 20 and punch
21. Body part 22 and punch part
23. Mounting part 201 and first clamping groove
30. Locking positioning mechanism 31 and main body
311. Pin 32, compression bar
321. Expanding structure 33, pressure spring
34. Mounting rod 40, inductor
41. Inductive switch 42, trigger device
50. Clip 60 and closure plate
70. A protective cover 71, a through hole.
Detailed Description
Fig. 1 to 5 show the specific structure of the preferred embodiment of the present invention. As shown in fig. 1 and fig. 2, the upper punch 1 is slidably mounted on a die positioning seat 2, the die positioning seat 2 is provided with a positioning hole 2a, a base 10 of the upper punch 1 is provided with a locking and positioning mechanism 30 capable of being elastically pressed, and when the locking and positioning mechanism 30 is inserted into any one of the positioning holes 2a, the upper punch 1 is fixedly mounted on the die positioning seat 2.
The upper and lower surfaces of the base 10 are penetrated with a mounting cavity 11; and sliding grooves 12 for mounting the upper punching die are concavely arranged on the outer walls of the two sides of the base 10.
The punch 20 on the upper die 1 is arranged in the mounting cavity 101, and a clamping piece 50 for preventing the punch from rotating in the mounting cavity is arranged between the punch 20 and the mounting cavity 101. The clamping piece 50 prevents the punch 20 from rotating during punching, avoids the change of the punching direction and ensures the accuracy and the direction accuracy of punching. The punch 20 comprises a main body part 21 and a punch part 22 which are integrally formed and connected, the punch part 22 is exposed out of the bottom surface of the base 10, the punch part 22 can be in a cylindrical shape, a rectangular shape or other shapes, when the punch part 22 is in a cylindrical shape, the punch 20 is not required to be clamped and fixed by using the clamping piece 50, and when the punch part 22 is in other shapes, the punch 20 is required to be clamped and fixed by using the clamping piece 50.
The top end of the main body part 21 is extended radially to form an installation part 23, and a first clamping groove 201 is concavely arranged on the outer wall of the installation part 23; the mounting cavity 11 includes a first cavity 101, a second cavity 102 and a third cavity 103 which are sequentially communicated from top to bottom, an aperture of the first cavity 101 is larger than an aperture of the second cavity 102, an aperture of the second cavity 102 is larger than an aperture of the third cavity 103, and the mounting portion 23 is positioned in the first cavity 101, that is, a bottom surface of the mounting portion 23 abuts against a bottom surface of the first cavity 101 to form a limit position, so that the punch 20 is conveniently mounted. And the inner wall of the first cavity 101 is concavely provided with a second clamping groove 104, the second clamping groove 104 is opposite to the first clamping groove 201, and the clamping piece 50 is inserted between the first clamping groove 201 and the second clamping groove 104 for clamping and fixing. A gap is left between the outer wall of the upper end of the main body 21 and the inner wall of the second chamber 102. The outer wall of the lower end of the main body 21 is tightly fixed with the inner wall of the third cavity 103 in an inserting manner, so as to further prevent the punch 20 from rotating in the mounting cavity 11.
In this embodiment, the first slot 201 and the second slot 104 are both semicircular, and correspondingly, the clip 50 is a cylindrical plug, and the plug is inserted into the first slot 201 and the second slot 104 for clipping and fixing. In the present embodiment, there are two punches 20, and correspondingly, there are two mounting cavities 11, and the two punches 20 are mounted in the corresponding mounting cavities 11 and fixed. The punch portion 22 of one punch 20 is cylindrical, and the punch portion 22 of the other punch 20 is rectangular. The top surface of the base 10 is locked with a sealing plate 60 for the position of the punch, and the sealing plate 60 covers the top surface of the punch 20 to form an upper and lower limit for the punch 20.
The locking and positioning mechanism 30 can be elastically and flexibly arranged on the base 10 and is positioned beside the punch 20. The locking and positioning mechanism 30 includes a main body 31, a pressing rod 32, a pressing spring 33 and a mounting rod 34. The top surface of the main body 31 has a pin 311, the pin 311 exposes the top surface of the base 10, and the pin 311 is used for being mounted with the mounting seat. One end of the pressure lever 32 is fixed on the main body 31, the other end of the pressure lever 32 is exposed out of the side edge of the base 10, the pressure lever 32 is pressed downwards to drive the main body 31 to move downwards, in this embodiment, the outer end of the pressure lever 32 is an enlarged structure 321 convenient for pressing by a hand, so that the pressing force of the hand is facilitated.
The lower end of the compression spring 33 abuts against the base 10, the upper end of the compression spring 33 abuts against the main body 31, and the compression spring 33 urges the main body 31 to restore upwards, specifically, the main body 31 is cylindrical, the bottom surface of the main body 31 is provided with a positioning groove 301 in an upward concave manner, the upper end of the compression spring 33 extends into the positioning groove 301 and abuts against the inner wall of the positioning groove 301, the inner wall of the base 10 is provided with a positioning column 13 in a protruding manner, and the lower end of the compression spring 33 is sleeved outside the positioning column 13 for positioning, so that the compression spring 33 is positioned well. The mounting bar 34 is disposed on the bottom surface of the main body 31 and moves with the main body 31.
The locking and positioning mechanism 30 is provided with a trigger device 42, the corresponding base 10 is provided with an inductive switch 41, the trigger device 42 and the inductive switch 41 can form a pair of inductors 40, and when the locking and positioning mechanism 30 is inserted upwards into the positioning hole 2a, the trigger device 42 is far away from the inductive switch 41 and no abnormal inductive signal is output. When the locking and positioning mechanism 30 is released from the positioning hole 2a, the trigger device 42 is close to the inductive switch outlet 41 to output an abnormal induction signal which is fed back to the control system of the punching machine. Specifically, the trigger device 42 is disposed on the mounting bar 34 and moves with the mounting bar 34. In this embodiment, the inductive switch 41 is a hall sensor, and correspondingly, the trigger device 42 is a magnet, and the magnet is magnetically conducted with the hall sensor, but the inductive switch 41 and the trigger device 42 may be other sensors, and are not limited. And a protection cover 70 is disposed on the bottom surface of the base 10 for the inductive switch 41, the inductive switch 41 is disposed in the protection cover 70, and a through hole 71 for the lower end of the mounting rod 34 to pass through is formed on the upper and lower surfaces of the protection cover 70.
The utility model discloses a design focus lies in: at first, through being equipped with the fastener that prevents the drift rotatory in the installation cavity between installation cavity and drift, make the firm fixing of drift in the installation cavity, avoid the drift direction of punching a hole to change, guaranteed the accuracy and the direction accuracy of punching a hole, avoid the appearance of product defective products. Meanwhile, a trigger device is arranged at the lower end of the locking and positioning mechanism, a corresponding inductive switch connected with the control system is arranged at the lower end of the base, when the upper punching die needs to be detached, the locking and positioning mechanism is pressed down, the trigger device moves downwards along with the upper punching die and is conducted with the inductive switch in an inductive mode, the inductive switch transmits an inductive signal to the control system, and the control system controls equipment to stop working, so that the manual working safety is guaranteed, and the problem of industrial injury is avoided. Just the utility model discloses install more convenient and quick.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides an upper punch for among piercing press, this upper punch slidable installs in the mould positioning seat, has the locating hole on the mould positioning seat, has on the base of upper punch to be pressed elastic activity's locking positioning mechanism, realizes the fixed mounting of punch die on this mould positioning seat when locking positioning mechanism inserts arbitrary locating hole, its characterized in that:
the upper surface and the lower surface of the base are provided with mounting cavities in a penetrating manner; a punch of the upper punching die is arranged in the mounting cavity, and a clamping piece for preventing the punch from rotating in the mounting cavity is arranged between the punch and the mounting cavity; the locking and positioning mechanism is provided with a trigger device, the corresponding base is provided with an inductive switch, the trigger device and the inductive switch can form a pair of inductors, when the locking and positioning mechanism is upwards inserted into the positioning hole, the trigger device is far away from the inductive switch and has no abnormal induction signal output, and when the locking and positioning mechanism is separated from the positioning hole, the trigger device is close to the inductive switch and outputs an abnormal induction signal to be fed back to a control system of the punching machine.
2. The upper die for use in a punching machine according to claim 1, wherein: and sliding grooves for mounting the upper punching die are concavely arranged on the outer walls of the two sides of the base.
3. The upper die for use in a punching machine according to claim 1, wherein: the punch comprises a main body part and a punch part which are integrally formed and connected, the top end of the main body part is radially expanded to extend out to form an installation part, and a first clamping groove is concavely arranged on the outer wall of the installation part; the installation cavity comprises a first cavity, a second cavity and a third cavity which are sequentially communicated from top to bottom, the aperture of the first cavity is larger than that of the second cavity, the aperture of the second cavity is larger than that of the third cavity, the installation part is positioned in the first cavity, a second clamping groove is concavely arranged on the inner wall of the first cavity, the second clamping groove is opposite to the first clamping groove, and the clamping piece is inserted between the first clamping groove and the second clamping groove and is clamped and fixed; a gap is reserved between the outer wall of the upper end of the main body part and the inner wall of the second cavity; the outer wall of the lower end of the main body part is tightly inserted and fixed with the inner wall of the third cavity.
4. The upper die for use in a punching machine according to claim 3, wherein: the first clamping groove and the second clamping groove are both semicircular and correspond to each other, the clamping piece is a cylindrical bolt, and the bolt is inserted into the first clamping groove and the second clamping groove to be clamped and fixed.
5. The upper die for use in a punching machine according to claim 3, wherein: the number of the punches is two, the number of the punches corresponds to the number of the installation cavities, and the two punches are installed in the corresponding installation cavities and fixed; the punch head part of one punch head is cylindrical, and the punch head part of the other punch head is rectangular.
6. The upper die for use in a punching machine according to claim 1, wherein: and a sealing plate is locked on the top surface of the base aiming at the position of the punch and covers the top surface of the punch.
7. The upper die for use in a punching machine according to claim 1, wherein: the inductive switch is a Hall sensor, the corresponding trigger device is a magnet, and the magnet is conducted with the Hall sensor in a magnetic induction way; and the bottom surface of base is equipped with a safety cover to inductive switch, and inductive switch is located the safety cover.
8. The upper die for use in a punching machine according to claim 7, wherein: the locking and positioning mechanism comprises a main body, a pressure rod, a pressure spring and an installation rod; the top surface of the main body is provided with a pin which is exposed out of the top surface of the base; one end of the pressure lever is fixed on the main body, the other end of the pressure lever is exposed out of the side surface of the base, and the pressure lever is pressed downwards to drive the main body to move downwards; the lower end of the pressure spring abuts against the base, the upper end of the pressure spring abuts against the main body, and the pressure spring urges the main body to restore upwards; the mounting rod is arranged on the bottom surface of the main body and moves along with the main body, and a through groove for the mounting rod to pass through is arranged on the inner surface and the outer surface of the protective cover in a penetrating manner; the trigger device is arranged on the mounting rod and moves along with the mounting rod.
9. The upper die for use in a punching machine according to claim 8, wherein: the main body is cylindrical, the bottom surface of the main body is provided with a positioning groove in an upward concave manner, and the upper end of the pressure spring extends into the positioning groove and abuts against the inner wall of the positioning groove; correspondingly, a positioning column is convexly arranged on the inner wall of the base, and the lower end of the pressure spring is sleeved outside the positioning column for positioning.
10. The upper die for use in a punching machine according to claim 8, wherein: the outer end of the pressure lever is an expanding structure which is convenient for being pressed by hands.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022075059.0U CN213499653U (en) | 2020-09-21 | 2020-09-21 | Upper punch die for punching machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022075059.0U CN213499653U (en) | 2020-09-21 | 2020-09-21 | Upper punch die for punching machine |
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| Publication Number | Publication Date |
|---|---|
| CN213499653U true CN213499653U (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022075059.0U Active CN213499653U (en) | 2020-09-21 | 2020-09-21 | Upper punch die for punching machine |
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| Country | Link |
|---|---|
| CN (1) | CN213499653U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2020
- 2020-09-21 CN CN202022075059.0U patent/CN213499653U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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