CN107470489A - The flexible avoiding device of pneumatic gripping and method for plate digital control punching press - Google Patents

The flexible avoiding device of pneumatic gripping and method for plate digital control punching press Download PDF

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Publication number
CN107470489A
CN107470489A CN201710764961.3A CN201710764961A CN107470489A CN 107470489 A CN107470489 A CN 107470489A CN 201710764961 A CN201710764961 A CN 201710764961A CN 107470489 A CN107470489 A CN 107470489A
Authority
CN
China
Prior art keywords
clamp
dovetail
fixed
punching press
articulated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710764961.3A
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Chinese (zh)
Inventor
石敏
王晓晖
杜章晖
杨序忠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan engineering science and technology research institute
Original Assignee
Wuhan engineering science and technology research institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan engineering science and technology research institute filed Critical Wuhan engineering science and technology research institute
Priority to CN201710764961.3A priority Critical patent/CN107470489A/en
Publication of CN107470489A publication Critical patent/CN107470489A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02Advancing work in relation to the stroke of the die or tool
    • B21D43/04Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
    • B21D43/10Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers
    • B21D43/11Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers for feeding sheet or strip material

Abstract

The present invention relates to a kind of flexible avoiding device of pneumatic gripping for plate digital control punching press, it includes the flexible assembly of three clamps, three supporting plates being fixed on side by side on skateboarding, the flexible assembly of a corresponding clamp is respectively provided with each supporting plate, each clamp stretches in assembly, the cylinder body of clamp telescopic cylinder is fixed in corresponding supporting plate, the cylinder piston of clamp telescopic cylinder is fixedly connected with the connection end of the corresponding head that is articulated and connected, the be articulated and connected connection end of frame is fixedly connected with the afterbody of corresponding clamp, the be articulated and connected hinged end of head is hinged with the hinged end of the corresponding frame that is articulated and connected, dovetail fixed strip in dovetail prismatic pair is fixed in corresponding supporting plate, dovetail movement bar in dovetail prismatic pair is fixed on the bottom of clamp.The present invention can realize that clamp is avoided so as to reach the purpose of full width face punching press in punching press program operation process, by any one in one group of clamp in ad-hoc location automatic retracted.

Description

The flexible avoiding device of pneumatic gripping and method for plate digital control punching press
Technical field
The present invention relates to numerical controlled machinery processing and its technical field of automation, and in particular to one kind is used for plate digital control punching press Pneumatic gripping stretch avoiding device and method.
Background technology
The digital stamping technology of sheet metal, it is one of technological means widely used in machine-building.Its numerical control device It is various, there are PLC system, embedded system, industrial computer system etc. and various system softwares and application program.But its machine Tool structure is similar, more by drive device (servomotor, stepper motor etc.), transmission device (feed screw nut pair, gear teeth Bar etc.) and guide rail slide block composition two dimensional surface kinematic system.Clamp is installed in the system, is clamped by clamp and is processed sheet material work Plane motion, the processed point on sheet material is delivered into stamping station (between upper lower punch), completes punch process.
In above-mentioned process, clamp is often the edge for clamping sheet material, in clamp holding position, because mould will be avoided Clamp, just having part sheet material can not be processed.To some processing for requiring edge punching, currently used is to shut down, transposition Put or change direction to clamp again, look for original point position again, then restart to process, efficiency is low.
The content of the invention
Stretched avoiding device and method it is an object of the invention to provide a kind of pneumatic gripping for plate digital control punching press, The apparatus and method can be returned automatically in punching press program operation process by any one in one group of clamp in ad-hoc location Contracting, realize that clamp is avoided so as to reach the purpose of full width face punching press.
Avoided in order to solve the above technical problems, a kind of pneumatic gripping for plate digital control punching press disclosed by the invention is flexible Device, it includes numerical-control feed frame, the cradle guide rail being arranged on numerical-control feed frame, is arranged on numerical-control feed frame and with sending The screw mandrel of bin guide rail parallel, the motor for being arranged on numerical-control feed frame and being rotated for drive screw and cradle guide rail are slided The dynamic guide rail slide block coordinated, the skateboarding being fixed at the top of guide rail slide block, the bottom of the skateboarding are fixed with nut, institute Nut is stated to be connected with wire rod thread, it is characterised in that:It also includes the flexible assembly of three clamps, is fixed on side by side on skateboarding Three supporting plates, a corresponding clamp is respectively provided with each supporting plate and is stretched assembly, each clamp assembly that stretches includes Clamp telescopic cylinder, the head that is articulated and connected, the frame that is articulated and connected, dovetail prismatic pair and clamp;
Each clamp stretches in assembly, the cylinder body of clamp telescopic cylinder be fixed on corresponding in supporting plate, clamp stretches gas The cylinder piston of cylinder is fixedly connected with the connection end of the corresponding head that is articulated and connected, the connection end for the frame that is articulated and connected and corresponding clamp Afterbody is fixedly connected, and the hinged end for the head that is articulated and connected is hinged with the hinged end of the corresponding frame that is articulated and connected, the swallow in dovetail prismatic pair Tail fixed strip is fixed in corresponding supporting plate, and the dovetail movement bar in dovetail prismatic pair is fixed on the bottom of clamp.
A kind of pneumatic gripping using said apparatus stretches preventing collision method, it is characterised in that it comprises the following steps:
Step 1:During sheet material clamping, control two clamp telescopic cylinders to stretch out, make and above-mentioned two clamp telescopic cylinder pair The clamp answered is in running order, turns into work clamp, and an other clamp telescopic cylinder keeps retracting, and makes above-mentioned other Clamp is in off working state corresponding to one clamp telescopic cylinder, turns into inoperative clamp;
Step 2:Two filing appliance pincers clamp sheet material, and carry out digital stamping to sheet material, and inoperative clamp does not clamp sheet material;
Step 3:During plate stamping, when plate stamping proceeds to the clamping zone of some work clamp, the work Clamp is driven by clamp telescopic cylinder and retracted, and is transformed to inoperative clamp, while original inoperative clamp is stretched gas by clamp Cylinder driving is stretched out, and is transformed to work clamp and is clamped sheet material continuation punching operation.
In the present invention under cylinder action, clamp ejection in part is in running order, and part clamp is retracted and is in inoperative State, work clamp replace rotation with inoperative clamp, and the clamping zone that can avoid clamp realizes the punch process in full width face.And The present invention is compact-sized, and control point is few, and manufacturing process is simple, and cost is cheap, and technical process is continuous, dependable performance.
Brief description of the drawings
Fig. 1 is main structure diagram of the present invention (removing cover plate and board bar);
Fig. 2 is side structure schematic view of the present invention;
Fig. 3 is cylinder piston in the present invention and clamp articulated structure schematic diagram;
Fig. 4 is dovetail prismatic pair structural representation in the present invention;
Fig. 5 is the machining sketch chart that clamp is not replaced in the present invention;
Fig. 6 is replaced the machining sketch chart after 1 time for clamp in the present invention;
Wherein, 1-numerical-control feed frame, 2-cradle guide rail, 3-guide rail slide block, 4-skateboarding, 5-supporting plate, 6-clamp telescopic cylinder, 7-cylinder piston, 8-locking nut, the 9-head that is articulated and connected, 10-holding screw, the 11-company of being hinged Connect frame, 12-dovetail prismatic pair, 12.1-dovetail fixed strip, 12.2-dovetail movement bar, 13-clamp, 14-board bar, 15-track base, 16-motor, 17-motor cabinet, 18-screw mandrel, 19-sheet material, 20-nut.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
The flexible avoiding device of the pneumatic gripping for plate digital control punching press of the present invention, as shown in figs. 1 to 6, it includes number Control cradle 1, be arranged on numerical-control feed frame 1 cradle guide rail 2, be arranged on numerical-control feed frame 1 and with cradle guide rail 2 Parallel screw mandrel 18, the motor 16 for being arranged on numerical-control feed frame 1 and being rotated for drive screw 18, slide with cradle guide rail 2 The dynamic guide rail slide block 3 coordinated, the skateboarding 4 for being fixed on the top of guide rail slide block 3, the bottom of the skateboarding 4 is provided with nut 20, the nut 20 is threadedly coupled with screw mandrel 18, it is characterised in that:It also includes the flexible assembly of three clamps, is fixed on side by side Three supporting plates 5 on skateboarding 4, a corresponding clamp is respectively provided with each supporting plate 5 and is stretched assembly, and each clamp is stretched Contracting assembly includes clamp telescopic cylinder 6, be articulated and connected the first 9, frame 11 that is articulated and connected, dovetail prismatic pair 12 and clamp 13 (three Clamp structure and size are identical);
Each clamp is stretched in assembly, and the cylinder body of clamp telescopic cylinder 6 is fixed in corresponding supporting plate 5, and clamp stretches The cylinder piston 7 of cylinder 6 is fixedly connected with corresponding first 9 connection end of being articulated and connected, the connection end for the frame 11 that is articulated and connected with it is corresponding The afterbody of clamp 13 be fixedly connected, first 9 hinged end of being articulated and connected is hinged with the corresponding hinged end for being articulated and connected frame 11, dovetail In prismatic pair 12 (dovetail prismatic pair 12 constrains all motions in addition to designated movement direction, and simple in construction, practical) Dovetail fixed strip 12.1 is fixed in corresponding supporting plate 5, and the dovetail movement bar 12.2 in dovetail prismatic pair 12 is fixed on clamp 13 bottom.
In above-mentioned technical proposal, the length of dovetail fixed strip 12.1 and dovetail movement bar 12.2 in the dovetail prismatic pair 12 It is twice of the stroke of the cylinder piston 7 in clamp telescopic cylinder 6, to ensure in the stroke range of clamp telescopic cylinder 6, Dovetail prismatic pair 12 can constrain the motion of clamp 13.2 times are taken mainly to ensure during mobile bar is movable, it is in office Meaning position, has more than half to be located in dovetail fixed strip, it is ensured that its stability.Fixed strip is longer, and stability is better, but Structure is bigger.
In above-mentioned technical proposal, fixed position of each clamp telescopic cylinder 6 in corresponding supporting plate 5 is identical, Ge Geyan It is identical that tail moves fixed position of the bar 12.2 in corresponding supporting plate 5.
In above-mentioned technical proposal, cylinder piston 7 and corresponding first 9 threaded connection that is articulated and connected, and by locking nut 8 and tightening The locking positioning of screw 10.
In above-mentioned technical proposal, the length of dovetail fixed strip 12.1 and dovetail movement bar 12.2 in the dovetail prismatic pair 12 It is 100mm, the stroke of the cylinder piston 7 in the clamp telescopic cylinder 6 is 50mm.
In above-mentioned technical proposal, board bar 14 is fixed with the numerical-control feed frame 1.The cradle guide rail 2 is by leading Rail chair 15 is arranged on numerical-control feed frame 1.The motor 16 is arranged on numerical-control feed frame 1 by motor cabinet 17.
In above-mentioned technical proposal, the cradle guide rail 2 has two, the screw mandrel 18 positioned at two cradle guide rails 2 it Between.
In above-mentioned technical proposal, clamp 13 can be driven and under the constraint of dovetail prismatic pair 12 by clamp telescopic cylinder 6 Translation.
Clamp 13 can follow skateboarding 4 and supporting plate 5 to move under the drive of the feed screw nut of numerical-control feed frame.
A kind of pneumatic gripping using said apparatus stretches preventing collision method, and it comprises the following steps:
Step 1:During 19 clamping of sheet material, two clamp telescopic cylinders 6 of control stretch out, and make and above-mentioned two clamp telescopic cylinder Clamp 13 is in running order corresponding to 6, turns into work clamp, and a clamp telescopic cylinder 6 in addition keeps retracting, and makes above-mentioned Clamp 13 corresponding to an other clamp telescopic cylinder 6 is in off working state, turns into inoperative clamp;
Step 2:Two filing appliance pincers clamp sheet material 19, and carry out digital stamping to sheet material 19, and inoperative clamp does not clamp Sheet material 19, and with sheet material edge keep certain distance (distance will ensure that inoperative clamp does not influence the punch process of sheet material, one As should be in more than 10mm);
Step 3:, should when the punching press of sheet material 19 proceeds to the clamping zone of some work clamp in the punching course of sheet material 19 Work clamp drives retraction by clamp telescopic cylinder 6, is transformed to inoperative clamp, while original inoperative clamp is stretched by clamp The driving of contracting cylinder 6 is stretched out, and is transformed to work clamp and is clamped the continuation punching operation of sheet material 19.The clamp that works is handed over inoperative clamp For rotation, the clamping zone that can avoid clamp realizes the punch process in full width face.
Said process is automatically performed by programme-control.
The content that this specification is not described in detail belongs to prior art known to professional and technical personnel in the field.

Claims (10)

  1. The avoiding device 1. a kind of pneumatic gripping for plate digital control punching press stretches, it includes numerical-control feed frame (1), is arranged on number Control the cradle guide rail (2) on cradle (1), be arranged on screw mandrel on numerical-control feed frame (1) and parallel with cradle guide rail (2) (18) motor (16) and cradle guide rail (2) for, being arranged on numerical-control feed frame (1) and being rotated for drive screw (18) are sliding The dynamic guide rail slide block (3) coordinated, the skateboarding (4) being fixed at the top of guide rail slide block (3), the bottom of the skateboarding (4) Nut (20) is fixed with, the nut (20) is threadedly coupled with screw mandrel (18), it is characterised in that:It also stretches including three clamps Assembly, three supporting plates (5) being fixed on side by side on skateboarding (4), folder corresponding to one is respectively provided with each supporting plate (5) The flexible assembly of pincers, each clamp stretches, and assembly includes clamp telescopic cylinder (6), the head that is articulated and connected (9), be articulated and connected frame (11), dovetail prismatic pair (12) and clamp (13);
    Each clamp is stretched in assembly, and the cylinder body of clamp telescopic cylinder (6) is fixed on corresponding supporting plate (5), and clamp stretches The cylinder piston (7) of cylinder (6) is fixedly connected with the connection end of the corresponding head that is articulated and connected (9), the connection of the frame that is articulated and connected (11) End is fixedly connected with the afterbody of corresponding clamp (13), the hinged end of the head that is articulated and connected (9) and the corresponding frame that is articulated and connected (11) Hinged end is hinged, and the dovetail fixed strip (12.1) in dovetail prismatic pair (12) is fixed on corresponding supporting plate (5), dovetail movement Dovetail movement bar (12.2) in secondary (12) is fixed on the bottom of clamp (13).
  2. The avoiding device 2. pneumatic gripping according to claim 1 for plate digital control punching press stretches, it is characterised in that:Institute It is clamp telescopic cylinder (6) to state the length of dovetail fixed strip (12.1) and dovetail movement bar (12.2) in dovetail prismatic pair (12) In twice of stroke of cylinder piston (7).
  3. The avoiding device 3. pneumatic gripping according to claim 1 for plate digital control punching press stretches, it is characterised in that:Respectively Fixed position of the individual clamp telescopic cylinder (6) on corresponding supporting plate (5) is identical, and each dovetail movement bar (12.2) is in corresponding branch Fixed position on fagging (5) is identical.
  4. The avoiding device 4. pneumatic gripping according to claim 1 for plate digital control punching press stretches, it is characterised in that:Gas Cylinder piston (7) is threadedly coupled with the corresponding head that is articulated and connected (9), and by locking nut (8) and holding screw (10) locking positioning.
  5. The avoiding device 5. pneumatic gripping according to claim 2 for plate digital control punching press stretches, it is characterised in that:Institute It is 100mm to state the length of dovetail fixed strip (12.1) and dovetail movement bar (12.2) in dovetail prismatic pair (12), the clamp The stroke of cylinder piston (7) in telescopic cylinder (6) is 50mm.
  6. The avoiding device 6. pneumatic gripping according to claim 1 for plate digital control punching press stretches, it is characterised in that:Institute State and board bar (14) is fixed with numerical-control feed frame (1).
  7. The avoiding device 7. pneumatic gripping according to claim 1 for plate digital control punching press stretches, it is characterised in that:Institute Cradle guide rail (2) is stated to be arranged on numerical-control feed frame (1) by track base (15).
  8. The avoiding device 8. pneumatic gripping according to claim 1 for plate digital control punching press stretches, it is characterised in that:Institute Motor (16) is stated to be arranged on numerical-control feed frame (1) by motor cabinet (17).
  9. The avoiding device 9. pneumatic gripping according to claim 1 for plate digital control punching press stretches, it is characterised in that:Institute Stating cradle guide rail (2) has two, and the screw mandrel (18) is between two cradle guide rails (2).
  10. The preventing collision method 10. a kind of pneumatic gripping using claim 1 described device stretches, it is characterised in that it includes as follows Step:
    Step 1:During sheet material (19) clamping, control two clamp telescopic cylinders (6) to stretch out, make and above-mentioned two clamp telescopic cylinder (6) clamp corresponding to (13) is in running order, turns into work clamp, and a clamp telescopic cylinder (6) in addition keeps retracting, Clamp (13) corresponding to an above-mentioned other clamp telescopic cylinder (6) is in off working state, turn into inoperative clamp;
    Step 2:Two filing appliance pincers clamp sheet material (19), and carry out digital stamping to sheet material (19), and inoperative clamp does not clamp Sheet material (19);
    Step 3:, should when sheet material (19) punching press proceeds to the clamping zone of some work clamp in sheet material (19) punching course The clamp that works is driven by clamp telescopic cylinder (6) retracts, and is transformed to inoperative clamp, while original inoperative clamp is by clamp Telescopic cylinder (6) driving is stretched out, and is transformed to work clamp and is clamped sheet material (19) continuation punching operation.
CN201710764961.3A 2017-08-30 2017-08-30 The flexible avoiding device of pneumatic gripping and method for plate digital control punching press Pending CN107470489A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710764961.3A CN107470489A (en) 2017-08-30 2017-08-30 The flexible avoiding device of pneumatic gripping and method for plate digital control punching press

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710764961.3A CN107470489A (en) 2017-08-30 2017-08-30 The flexible avoiding device of pneumatic gripping and method for plate digital control punching press

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CN107470489A true CN107470489A (en) 2017-12-15

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108687252A (en) * 2018-04-25 2018-10-23 湖北经济学院 A kind of Full-automatic telescopic clip control method
CN109261827A (en) * 2018-09-29 2019-01-25 杭州金浪机电有限公司 For billet material side stamping system
CN109290463A (en) * 2018-10-08 2019-02-01 杭州金浪机电有限公司 For conveying and clamping the feeder equipment of billet material

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108687252A (en) * 2018-04-25 2018-10-23 湖北经济学院 A kind of Full-automatic telescopic clip control method
CN108687252B (en) * 2018-04-25 2020-01-24 湖北经济学院 Full-automatic telescopic clamp control method
CN109261827A (en) * 2018-09-29 2019-01-25 杭州金浪机电有限公司 For billet material side stamping system
CN109290463A (en) * 2018-10-08 2019-02-01 杭州金浪机电有限公司 For conveying and clamping the feeder equipment of billet material

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