CN115055577A - Automatic positioning mechanism for upper punching die and punching machine - Google Patents
Automatic positioning mechanism for upper punching die and punching machine Download PDFInfo
- Publication number
- CN115055577A CN115055577A CN202210753239.0A CN202210753239A CN115055577A CN 115055577 A CN115055577 A CN 115055577A CN 202210753239 A CN202210753239 A CN 202210753239A CN 115055577 A CN115055577 A CN 115055577A
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- Prior art keywords
- punching needle
- positioning
- seat
- die seat
- positioning die
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/04—Centering the work; Positioning the tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
- B26F1/14—Punching tools; Punching dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
Abstract
The application belongs to the piercing press field, relates to an upper punch automatic positioning mechanism and piercing press, and this upper punch automatic positioning mechanism includes: the punching needle positioning die comprises a punching needle positioning die seat sliding chute, a driving assembly and a punching needle positioning die seat; the punching needle positioning die seat is provided with a punch, a sliding chute of the punching needle positioning die seat is provided with a plurality of positioning holes on one inner side wall of the sliding chute, and the plurality of positioning holes are arranged along the length direction of the sliding chute of the punching needle positioning die seat; an electric control pneumatic device is arranged on the punching needle positioning die seat; the driving component is provided with a driving connecting piece, and can control the driving connecting piece to move in the length direction of the sliding chute; the punching needle positioning die seat is connected in the chute in a sliding manner, and the driving connecting piece is connected with the punching needle positioning die seat; the driving assembly is used for controlling the punching needle positioning die seat to slide on the sliding groove of the punching needle positioning die seat, and the electric control pneumatic device is used for limiting or relieving the limit of the punching needle positioning die seat. The automatic upper punch die positioning mechanism has the characteristics of accurate positioning and capability of quickly adjusting the position of the upper punch die.
Description
Technical Field
The application relates to the technical field of punching machines, in particular to an upper punching die automatic positioning mechanism and a punching machine.
Background
When an upper die of a punching machine punches a workpiece, the position of a punch is often required to be adjusted or different punches are required to be replaced, and the positioning problem of the punch is involved when the position of the punch is adjusted or the punch is replaced. The existing punch is mostly positioned manually when the position of the punch is adjusted or the punch is replaced, the positioning efficiency is low, and operation errors are inevitably caused due to frequent positioning, so that the positioning is inaccurate, and the punching yield is influenced. Therefore, a new upper punch positioning technique is needed to solve this problem.
Disclosure of Invention
In view of this, the present application provides an upper punch automatic positioning mechanism and a punching machine, which are used to solve the problems of inaccurate upper punch positioning and low upper punch position adjustment efficiency in the punching machine in the prior art.
To achieve one or a part or all of the above or other objects, the present application provides an upper punch automatic positioning mechanism, including: the punching needle positioning die comprises a punching needle positioning die seat sliding chute, a driving assembly and a punching needle positioning die seat; the punching needle positioning die seat is provided with a punching head, wherein,
the punching needle positioning die seat sliding groove is provided with a plurality of positioning holes on one inner side wall of the sliding groove, and the positioning holes are arranged along the length direction of the punching needle positioning die seat sliding groove; an electric control pneumatic device is arranged on the punching needle positioning die seat; the driving assembly is provided with a driving connecting piece, and the driving assembly can control the driving connecting piece to move in the length direction of the sliding chute;
the punching needle positioning die seat is connected in the sliding groove in a sliding manner, and the driving connecting piece is connected with the punching needle positioning die seat;
the driving assembly is used for controlling the punching needle positioning die seat to slide on the punching needle positioning die seat sliding groove, and the electric control pneumatic device is used for being inserted into the positioning hole to limit the punching needle positioning die seat and being used for being pulled out to release the limit of the punching needle positioning die seat.
Further, the drive assembly includes: the motor, the ball screw and the ball screw nut; wherein the content of the first and second substances,
the driving connecting piece is the ball screw nut, the driving shaft of the motor is connected with the ball screw, and the ball screw nut is connected to the ball screw.
Further, the drive assembly further comprises: the motor fixing device comprises a fixing plate, a motor connecting seat, a first screw rod limiting block, a second screw rod limiting block, a first bearing and a second bearing; wherein the content of the first and second substances,
the motor is connected with the motor connecting seat, the fixing plate is connected to one outer side wall of the punching needle positioning die seat sliding groove, the motor connecting seat is arranged at one end of the fixing plate, the second lead screw limiting block is arranged at the other end of the fixing plate, and the first lead screw limiting block is arranged beside the motor connecting seat and is positioned between the second lead screw limiting block and the motor connecting seat;
the first screw rod limiting block is provided with a first through hole, and the second screw rod limiting block is provided with a second through hole; the first bearing is arranged in the first through hole, the second bearing is arranged in the second through hole, the ball screw is provided with a first connecting end and a second connecting end, the first connecting end penetrates through the first bearing to be connected with a driving shaft of the motor, and the second connecting end is connected with the second bearing.
Further, the drive assembly further comprises: the shaft coupling is arranged between the motor connecting seat and the first lead screw limiting block, a driving shaft of the motor is connected with one end of the shaft coupling, and the first connecting end is connected with the other end of the driving shaft.
Further, the punch pin positioning die holder further comprises: the electric control magnet sliding seat, the electric control magnet and the punching needle fixing block; the electropneumatic device comprises: an electric control lock and a positioning bolt;
the electric control magnet sliding seat is provided with a first connecting part and a second connecting part, a through hole is formed in the first connecting part, the ball screw penetrates through the through hole, and the ball screw nut is connected with the first connecting part; one end of the electric control magnet is connected with the second connecting part, and the other end of the electric control magnet is connected with the punching needle fixing block;
the electric control lock is arranged on the punching needle fixing block and is provided with a telescopic positioning bolt which is opposite to the positioning hole.
Further, the punching needle positioning die seat sliding groove further comprises: the first limiting plate and the second limiting plate; the punching needle positioning die seat sliding groove is provided with a first side wall and a second side wall, wherein,
the first limiting plate is connected to the top of the first side wall, the second limiting plate is connected to the top of the second side wall, and a structure that the first side wall is provided with a first limiting wall extending towards the inner side of the groove, and the second side wall is provided with a second limiting wall extending towards the inner side of the groove is formed;
the punch needle fixing block is provided with a first clamping groove and a second clamping groove, the first clamping groove is connected with the first limiting wall in a clamped mode, and the second clamping groove is connected with the second limiting wall in a clamped mode.
Further, the drive assembly further comprises: a first track and a second track; the electrically controlled magnet slide further comprises: a first slider and a second slider; wherein the content of the first and second substances,
the first rail and the second rail are both arranged on the fixing plate and are parallel to the ball screw; the first sliding block and the second sliding block are connected to one side, close to the fixed plate, of the first connecting portion, the first sliding block is connected to the first rail in a sliding mode, and the second sliding block is connected to the second rail in a sliding mode.
Further, the punching needle positioning die seat sliding groove further comprises: the graduated scale, it still includes the position inductor to dash needle positioning die seat, the graduated scale sets up on the first limiting plate, the position inductor sets up on the automatically controlled magnet slide.
Further, the electropneumatic device further comprises: a deflector rod; wherein the content of the first and second substances,
the punching needle fixing block is provided with a lock cavity, the lock cavity is provided with a first opening facing one side of the positioning hole and a second opening facing one side of the length direction of the sliding chute, the electric control lock is installed in the lock cavity, the positioning bolt penetrates through the lock cavity from the first opening to be connected with the electric control lock, and the deflector rod penetrates through the lock cavity from the second opening to be connected with the positioning bolt;
the shifting rod can shift the positioning bolt along the telescopic direction of the positioning bolt at the second opening.
To achieve one or a part or all of the above or other objects, the present application also proposes a punching machine including the above-described automatic upper die positioning mechanism.
The embodiment of the application has the following beneficial effects:
the application provides an upper punch die automatic positioning mechanism, through drive assembly, can the position of fast speed adjusting towards needle positioning die seat at towards needle positioning die seat spout, rethread electric control pneumatic means inserts the locating hole, can be fast to towards the needle fixed block spacing on towards needle positioning die seat spout, has the characteristics of the punch die position on the location accuracy and can the fast speed adjusting.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Wherein:
FIG. 1 is a front view of an automatic upper die positioning mechanism in an embodiment of the present application;
FIG. 2 is a right side view of the upper die automatic positioning mechanism in one embodiment of the present application;
FIG. 3 is a schematic cross-sectional view taken at C-C of FIG. 2;
FIG. 4 is an exploded view of the upper punch automatic positioning mechanism according to an embodiment of the present application;
FIG. 5 is an exploded view of the upper punch automatic positioning mechanism according to another embodiment of the present application;
FIG. 6 is an exploded view of the upper punch automatic positioning mechanism according to still another embodiment of the present application;
FIG. 7 is another perspective view of an exploded view of the structure of FIG. 6 of the present application;
FIG. 8 is an exploded view of the upper punch automatic positioning mechanism in yet another embodiment of the present application;
fig. 9 is another perspective view of the exploded view of the structure of fig. 7 of the present application.
Reference numerals are as follows:
1. a punching needle positioning die seat chute; 11. positioning holes; 12. a first limit plate; 13. a second limiting plate; 14. a graduated scale; 2. a drive assembly; 21. a motor; 22. a ball screw; 23. a ball screw nut; 24. a fixing plate; 21a, a motor connecting seat; 25. a first screw rod limiting block; 26. a second lead screw limiting block; 25a, a first bearing; 26a, a second bearing; 27. a coupling; 28. a first track; 29. a second track; 3. a punching needle positioning die seat; 31. a punch; 32. an electrically controlled pneumatic device; 321. an electrically controlled lock; 322. positioning a bolt; 323. a deflector rod; 33. an electrically controlled magnet slide; 331. a first connection portion; 3311. a first slider; 3312. a second slider; 332. a second connecting portion; 34. an electrically controlled magnet; 35. punching a needle fixing block; 351. a first card slot; 352. a second card slot; 36. a position sensor; 37. the scale looks back the prism.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.
Referring to fig. 1 to 6, a first embodiment of the present application provides an upper punch automatic positioning mechanism, including: the punching needle positioning die comprises a punching needle positioning die seat sliding chute 1, a driving assembly 2 and a punching needle positioning die seat 3; the punch pin positioning die holder 3 is provided with a punch 31, wherein,
the punching needle positioning die seat chute 1 is provided with a plurality of positioning holes 11 on one inner side wall of the chute, and the positioning holes 11 are arranged along the length direction of the punching needle positioning die seat chute 1; an electric control pneumatic device 32 is arranged on the punching needle positioning die seat 3; the driving component 2 is provided with a driving connecting piece, and the driving component 2 can control the driving connecting piece to move in the length direction of the sliding chute;
the punching needle positioning die seat 3 is connected in the chute in a sliding manner, and the driving connecting piece is connected with the punching needle positioning die seat 3;
the driving assembly 2 is used for controlling the punching needle positioning die base 3 to slide on the punching needle positioning die base sliding groove 1, and the electric control pneumatic device 32 is used for inserting the positioning hole 11 to limit the punching needle positioning die base 3 and is used for pulling out the positioning hole 11 to relieve the limit of the punching needle positioning die base 3.
In the present embodiment, the driving assembly 2 is a mechanism capable of linear driving, such as a linear motor 21, an electric push rod, an electric actuator, and a mechanism composed of the motor 21 and a ball screw 22 described in the embodiments described later in the present application, and the specific arrangement can be freely selected according to the control accuracy, the size of the punching machine, and the like. The driving component 2 can be fixed on the punching machine, and can also be fixed on the punching needle positioning die seat sliding groove 1. During operation, the main control device retracts the positioning bolt 322 of the electric control pneumatic device 32 firstly, and then the driving connecting piece on the driving assembly 2 is controlled to move, when the driving connecting piece moves, the driving connecting piece is connected with the punching needle positioning die seat 3, the punching needle positioning die seat 3 is driven, and then the driving connecting piece slides in the sliding groove 1 of the punching needle positioning die seat, when the driving connecting piece slides to a positioning position, the driving connecting piece stops moving, the punching needle positioning die seat 3 stops sliding at the same time, and then the main control device controls the electric control pneumatic device 32 to enable the positioning bolt 322 to be inserted into the positioning hole 11, so that the positioning of the punching needle positioning die seat 3 is realized, and the positioning of the punch 31 is realized.
To the above-mentioned upper punch automatic positioning mechanism, the present application also proposes a second embodiment, in which the driving assembly 2 includes: a motor 21, a ball screw 22, and a ball screw nut 23; wherein the content of the first and second substances,
the driving connecting piece is a ball screw nut 23, the driving shaft of the motor 21 is connected with the ball screw 22, and the ball screw nut 23 is connected on the ball screw 22.
In the embodiment, the driving assembly 2 is a device including a motor 21, a ball screw 22 and a ball screw nut 23, and since a lot of balls roll between a screw shaft of the ball screw 22 and the ball screw nut 23, the device can obtain a high transmission efficiency, which can generally reach 90-96%. Meanwhile, the ball screw 22 and the ball screw nut 23 use ball movement, so that the static friction force is small, the starting torque is extremely small, the creeping phenomenon cannot occur, and the accurate micro feeding can be guaranteed.
To the above upper punch automatic positioning mechanism, the present application also proposes a third embodiment, in which the driving assembly 2 further includes: the fixing plate 24, the motor connecting seat 21a, a first screw rod limiting block 25, a second screw rod limiting block 26, a first bearing 25a and a second bearing 26 a; wherein the content of the first and second substances,
the motor 21 is connected with a motor connecting seat 21a, the fixing plate 24 is connected on one outer side wall of the punching needle positioning die seat sliding chute 1, the motor connecting seat 21a is arranged at one end of the fixing plate 24, the second lead screw limiting block 26 is arranged at the other end of the fixing plate 24, and the first lead screw limiting block 25 is arranged beside the motor connecting seat 21a and is positioned between the second lead screw limiting block 26 and the motor connecting seat 21 a;
the first lead screw limiting block 25 is provided with a first through hole, and the second lead screw limiting block 26 is provided with a second through hole; the first bearing 25a is disposed in the first through hole, the second bearing 26a is disposed in the second through hole, the ball screw 22 has a first connection end passing through the first bearing 25a to connect with the driving shaft of the motor 21 and a second connection end connected with the second bearing 26 a.
In this embodiment, the driving assembly 2 is fixed by the fixing plate 24 to the outer side wall of the fixed block sliding groove. When the connection is carried out, the fixing plate 24 is connected to the outer side wall of the fixed block chute, the motor connecting seat 21a, the first screw rod limiting block 25, the second screw rod limiting block 26, the first bearing 25a and the second bearing 26a are arranged on the fixing plate 24, the first bearing 25a is arranged in the first through hole, the second bearing 26a is arranged in the second through hole, the motor 21 is fixed on the motor connecting seat 21a, the ball screw 22 is sleeved with the ball screw nut 23, and the first connection end of the ball screw 22 passes through the first bearing 25a to be connected with the driving shaft of the motor 21, the second connection end is connected with the second bearing 26a, the first connection end of the ball screw 22 is connected with the driving shaft of the motor 21, thus, the motor 21 can drive the ball screw 22 to rotate between the first screw stopper 25 and the second screw stopper 26, and the ball screw nut 23 can reciprocate on the ball screw 22. In some embodiments, the first connection end and the second connection end may be configured as a double flat shaft or a D-shaped shaft, and the first bearing 25a and the second bearing 26a are connected by the double flat shaft or the D-shaped shaft, so that the connection portion is prevented from slipping during rotation, and the connection is firmer.
To the above upper punch automatic positioning mechanism, the present application further proposes a fourth embodiment, in which the driving assembly 2 further includes: the coupling 27 is arranged between the motor connecting seat 21a and the first lead screw limiting block 25, the driving shaft of the motor 21 is connected with one end of the coupling 27, and the first connecting end is connected with the other end of the driving shaft.
In this embodiment, the coupling 27 is provided to compensate or relieve the additional load between the two components caused by the relative displacement between the driving shaft of the motor 21 and the ball screw 22, eliminate the inertia of the radial force, and perform buffering and vibration damping functions to protect the prime mover and the working machine from damage or damage, such as using a quincunx coupling or a spring coupling. In addition, a rigid coupling can be used, the relative displacement can be strictly controlled by the rigid coupling, and the device has the advantages of light weight, ultralow inertia and high sensitivity (high precision).
To above-mentioned upper punch automatic positioning mechanism, this application has still provided the fifth embodiment, and wherein, towards needle positioning die seat 3 still includes: an electric control magnet sliding seat 33, an electric control magnet 34 and a punching needle fixing block 35; the electropneumatic device 32 comprises: an electrically controlled lock 321 and a positioning latch 322;
the electrically controlled magnet sliding base 33 has a first connecting portion 331 and a second connecting portion 332, the first connecting portion 331 has a through hole, the ball screw 22 passes through the through hole and the ball screw nut 23 is connected to the first connecting portion 331; one end of the electric control magnet 34 is connected with the second connecting part 332, and the other end is connected with the punching needle fixing block 35;
the electric control lock 321 is arranged on the punch pin fixing block 35 and is provided with a telescopic positioning bolt 322 which is opposite to the positioning hole 11.
In this embodiment, the electrically controlled magnet slide 33 may be an L-shaped bracket, and the first connecting portion 331 and the second connecting portion 332 are respectively one end and the other end of the L-shaped bracket, so as to achieve the function of connecting the ball screw nut 23 and the punch pin fixing block 35. The electric control magnet 34 can be fixedly connected with the electric control magnet sliding seat 33, and the connection of the punching needle fixing block 35 is magnetic connection, so that the advantage that the magnetic connection is controllable is that only the magnetic force of the electric control magnet 34 needs to be relieved when the punching needle fixing block 35 is detached, and the quick detachment effect can be achieved when the punching needle fixing block 35 is replaced. When the upper punch automatic positioning mechanism works, the L-shaped support moves along with the ball screw nut 23, the electric control magnet 34 connected to the L-shaped support also moves simultaneously, the electric control magnet 34 sucks the punch pin fixing block 35 to slide, and finally the punch pin fixing block is inserted into the positioning hole 11 through the positioning bolt 322, so that the upper punch automatic positioning is realized.
To above-mentioned upper punch automatic positioning mechanism, this application has still provided the sixth embodiment, and wherein, towards needle positioning die seat spout 1 still includes: a first limit plate 12 and a second limit plate 13; the punch pin positioning die holder chute 1 has a first sidewall and a second sidewall, wherein,
the first limiting plate 12 is connected to the top of the first side wall, the second limiting plate 13 is connected to the top of the second side wall, and a structure that the first side wall is provided with a first limiting wall extending towards the inner side of the groove, and the second side wall is provided with a second limiting wall extending towards the inner side of the groove is formed;
the punch pin fixing block 35 has a first engaging groove 351 and a second engaging groove 352, the first engaging groove 351 is engaged with the first limiting wall, and the second engaging groove 352 is engaged with the second limiting wall.
To the above upper punch automatic positioning mechanism, the present application also proposes a seventh embodiment, wherein the driving assembly 2 further includes: a first rail 28 and a second rail 29; electrically controlled magnet slide 33 further comprises: a first block 3311 and a second block 3312; wherein the content of the first and second substances,
the first rail 28 and the second rail 29 are both arranged on the fixing plate 24 and are parallel to the ball screw 22; the first and second sliders 3311 and 3312 are connected to the first connecting portion 331 at a side close to the fixing plate 24, the first slider 3311 is slidably connected to the first rail 28, and the second slider 3312 is slidably connected to the second rail 29.
In the sixth to seventh embodiments, by providing the first limiting wall and the second limiting wall, and then by engaging the first engaging groove 351 with the first limiting wall, and engaging the second engaging groove 352 with the second limiting wall, it is possible to avoid the shock of the needle punching fixing block 35 in the chute 1 of the needle punching positioning mold base, and at the same time, provide the first rail 28, the second rail 29, the first slider 3311 and the second slider 3312, the first slider 3311 is slidably connected to the first rail 28, and the second slider 3312 is slidably connected to the second rail 29, so as to balance the stress on the ball screw nut 23, so that the stress on the entire upper punch automatic positioning mechanism is more reasonable, and the control accuracy of the entire upper punch automatic positioning mechanism is enhanced. Referring to fig. 4 and 6, the first rail 28 and the second rail 29 may be rails independent of the fixing plate 24, and fixed to the fixing plate 24 by screws or the like. Referring to fig. 5, 8 and 9, the first rail 28 and the second rail 29 may be formed at both sides of the fixing plate 24, that is, grooves may be formed at both sides.
To above-mentioned upper punch automatic positioning mechanism, this application has still provided the eighth embodiment, and wherein, punch needle positioning die seat spout 1 still includes: the graduated scale 14 and the punch needle positioning die holder 3 further comprise a position sensor 36, the graduated scale 14 is arranged on the first limiting plate, and the position sensor 36 is arranged on the electric control magnet sliding seat 33.
In this embodiment, the arrangement of the graduated scale 14 and the position sensor 36 is a way to achieve precise positioning, that is, the main control device obtains the position of the punch pin positioning mold base 3 through the position sensor 36, and determines whether the position reaches a preset position, and when the preset position is reached, controls the electric control lock 321 to push the positioning pin 322 to insert into the positioning hole 11 to fix the punch pin positioning mold base 3. In some application scenarios, the position sensor may sense the position by acquiring the stroke of the ball screw 22, and in combination with the foregoing embodiment, the advantage of the position sensor disposed on the electrically controlled magnet slide 33 is that: because the punch pin fixing block 35 is usually disassembled, and the electrically controlled magnet sliding seat 33 and the ball screw 22 do not have relative displacement, the position sensor does not need to be corrected again when the punch pin fixing block 35 is replaced. In other application scenarios, the position sensor may achieve positioning by acquiring a value of 14 bits of the scale, and except for acquiring the value of 14 bits of the scale, other working processes are similar to those in the above exemplary application scenario and are not described again. In addition, since the positioning hole 11 can not be seen by naked eyes, the scale 14 can be manually operated, and can be used as a standby scheme to meet the emergency work requirement when the position sensor fails. The scale 14 may also be in the form of a reverse printed scale which the worker can look through the inverse viewing prism 37.
In view of the above upper punch automatic positioning mechanism, the present application further provides a ninth embodiment, wherein the electric control pneumatic device 32 further includes: a deflector rod 323; wherein the content of the first and second substances,
the punching needle fixing block 35 is provided with a lock cavity, the lock cavity is provided with a first opening facing one side of the positioning hole 11 and a second opening facing one side of the length direction of the sliding chute, the electric control lock 321 is installed in the lock cavity, the positioning bolt 322 penetrates through the lock cavity from the first opening to be connected with the electric control lock 321, and the deflector rod 323 penetrates through the lock cavity from the second opening to be connected with the positioning bolt 322;
the driving lever 323 can drive the positioning pin 322 along the extension direction of the positioning pin 322 at the second opening.
In this embodiment, the shifting lever 323 is provided to manually position the punch pin fixing block 35 or manually release the positioning of the punch pin fixing block 35, so that manual detachment is achieved when the upper die automatic positioning mechanism fails.
The tenth embodiment of the present application further provides a punching machine, which includes the above-mentioned automatic upper die positioning mechanism.
It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and the embodiments are provided so that this disclosure will be thorough and complete. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields, and all the equivalent structures are within the protection scope of the present application.
Claims (10)
1. The utility model provides an upper punch automatic positioning mechanism which characterized in that: the method comprises the following steps: the punching needle positioning die comprises a punching needle positioning die seat sliding chute, a driving assembly and a punching needle positioning die seat; the punching needle positioning die seat is provided with a punching head, wherein,
the punching needle positioning die seat sliding groove is provided with a plurality of positioning holes on one inner side wall of the sliding groove, and the positioning holes are arranged along the length direction of the punching needle positioning die seat sliding groove; an electric control pneumatic device is arranged on the punching needle positioning die seat; the driving assembly is provided with a driving connecting piece, and the driving assembly can control the driving connecting piece to move in the length direction of the sliding chute;
the punching needle positioning die seat is connected in the sliding groove in a sliding manner, and the driving connecting piece is connected with the punching needle positioning die seat;
the driving assembly is used for controlling the punching needle positioning die seat to slide on the punching needle positioning die seat sliding groove, and the electric control pneumatic device is used for being inserted into the positioning hole to limit the punching needle positioning die seat and being used for being pulled out to release the limit of the punching needle positioning die seat.
2. The automatic upper die positioning mechanism according to claim 1, wherein: the drive assembly includes: the motor, the ball screw and the ball screw nut; wherein the content of the first and second substances,
the driving connecting piece is the ball screw nut, the driving shaft of the motor is connected with the ball screw, and the ball screw nut is connected to the ball screw.
3. The automatic upper die positioning mechanism according to claim 2, wherein: the drive assembly further includes: the device comprises a fixing plate, a motor connecting seat, a first screw rod limiting block, a second screw rod limiting block, a first bearing and a second bearing; wherein the content of the first and second substances,
the motor is connected with the motor connecting seat, the fixing plate is connected to one outer side wall of the punching needle positioning die seat sliding groove, the motor connecting seat is arranged at one end of the fixing plate, the second lead screw limiting block is arranged at the other end of the fixing plate, and the first lead screw limiting block is arranged beside the motor connecting seat and is positioned between the second lead screw limiting block and the motor connecting seat;
the first screw rod limiting block is provided with a first through hole, and the second screw rod limiting block is provided with a second through hole; the first bearing is arranged in the first through hole, the second bearing is arranged in the second through hole, the ball screw is provided with a first connecting end and a second connecting end, the first connecting end penetrates through the first bearing to be connected with a driving shaft of the motor, and the second connecting end is connected with the second bearing.
4. The automatic upper die positioning mechanism according to claim 3, wherein: the drive assembly further includes: the shaft coupling is arranged between the motor connecting seat and the first lead screw limiting block, a driving shaft of the motor is connected with one end of the shaft coupling, and the first connecting end is connected with the other end of the driving shaft.
5. The automatic upper die positioning mechanism according to claim 3, wherein: the punch pin positioning die holder further comprises: the electric control magnet sliding seat, the electric control magnet and the punching needle fixing block; the electropneumatic device comprises: an electric control lock and a positioning bolt;
the electric control magnet sliding seat is provided with a first connecting part and a second connecting part, a through hole is formed in the first connecting part, the ball screw penetrates through the through hole, and the ball screw nut is connected with the first connecting part; one end of the electric control magnet is connected with the second connecting part, and the other end of the electric control magnet is connected with the punching needle fixing block;
the electric control lock is arranged on the punching needle fixing block and is provided with a telescopic positioning bolt which is opposite to the positioning hole.
6. The automatic upper die positioning mechanism according to claim 5, wherein: the punching needle positioning die seat sliding groove further comprises: the device comprises a first limiting plate and a second limiting plate; the punching needle positioning die seat sliding groove is provided with a first side wall and a second side wall, wherein,
the first limiting plate is connected to the top of the first side wall, the second limiting plate is connected to the top of the second side wall, and a structure that the first side wall is provided with a first limiting wall extending towards the inner side of the groove, and the second side wall is provided with a second limiting wall extending towards the inner side of the groove is formed;
the punch needle fixing block is provided with a first clamping groove and a second clamping groove, the first clamping groove is connected with the first limiting wall in a clamped mode, and the second clamping groove is connected with the second limiting wall in a clamped mode.
7. The automatic upper die positioning mechanism according to claim 6, wherein: the drive assembly further includes: a first track and a second track; the electrically controlled magnet slide further comprises: a first slider and a second slider; wherein the content of the first and second substances,
the first rail and the second rail are both arranged on the fixing plate and are parallel to the ball screw; the first sliding block and the second sliding block are connected to one side, close to the fixed plate, of the first connecting portion, the first sliding block is connected to the first rail in a sliding mode, and the second sliding block is connected to the second rail in a sliding mode.
8. The automatic upper die positioning mechanism according to claim 6, wherein: the punching needle positioning die seat sliding groove further comprises: the graduated scale, it still includes the position inductor to dash needle positioning die seat, the graduated scale sets up on the first limiting plate, the position inductor sets up on the automatically controlled magnet slide.
9. The automatic upper die positioning mechanism according to claim 5, wherein: the electropneumatic device further comprises: a deflector rod; wherein the content of the first and second substances,
the punching needle fixing block is provided with a lock cavity, the lock cavity is provided with a first opening facing one side of the positioning hole and a second opening facing one side of the length direction of the sliding chute, the electric control lock is installed in the lock cavity, the positioning bolt penetrates through the lock cavity from the first opening to be connected with the electric control lock, and the deflector rod penetrates through the lock cavity from the second opening to be connected with the positioning bolt;
the shifting rod can shift the positioning bolt along the telescopic direction of the positioning bolt at the second opening.
10. A punching machine is characterized in that: the punch machine includes the upper punch automatic positioning mechanism according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210753239.0A CN115055577A (en) | 2022-06-29 | 2022-06-29 | Automatic positioning mechanism for upper punching die and punching machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210753239.0A CN115055577A (en) | 2022-06-29 | 2022-06-29 | Automatic positioning mechanism for upper punching die and punching machine |
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| CN202210753239.0A Pending CN115055577A (en) | 2022-06-29 | 2022-06-29 | Automatic positioning mechanism for upper punching die and punching machine |
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