CN210432069U

CN210432069U - Clamp for PCB laser engraving tool

Info

Publication number: CN210432069U
Application number: CN201921049173.7U
Authority: CN
Inventors: 李攀; 胡亚涛; 王攀峰; 周俊杰; 朴炫昌
Original assignee: Simmtech Electronics Xi'an Co ltd
Current assignee: Simmtech Electronics Xi'an Co ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-04-28
Anticipated expiration: 2029-07-05

Abstract

The utility model provides a PCB circuit board anchor clamps for laser engraving frock relates to the technical field of circuit board preparation. It includes that the roof sets up along the horizontal direction puts the flitch to and the rigid coupling is in the support body of putting flitch bottom, its characterized in that: the material placing plate comprises a material placing plate, a material placing plate and a first rotating driving piece, wherein the material placing plate is provided with a plurality of right side edges, the two groups of right side edges are fixed clamping pieces arranged on the material placing plate, the other group of right side edges of the material placing plate is movable clamping pieces respectively arranged on the other group of right side edges of the material placing plate, each group of fixed clamping pieces comprises a movable block arranged on the material placing plate and faces the other group of fixed clamping pieces in the horizontal direction, the movable block slides on one side of each fixed clamping piece, the. The utility model discloses have can be fast convenient with the tight beneficial effect of PCB circuit board clamp.

Description

Clamp for PCB laser engraving tool

Technical Field

The utility model belongs to the technical field of the technique of circuit board preparation and specifically relates to a PCB circuit board anchor clamps for laser engraving frock are related to.

Background

With the rapid development of electronic technology, PCB circuit boards are widely used in various fields, most electronic devices include corresponding PCB circuit boards, which are important electronic components and have the advantages of high density and high reliability. In the process of processing the PCB, the PCB needs to be subjected to laser engraving to realize the drilling process of the PCB.

Chinese patent with publication number CN204305466U discloses a PCB circuit board engraver, it includes the lathe bed, fixedly connected with deck plate on the lathe bed, sliding connection has the working plate on the deck plate, be equipped with the fixing device who is used for fixed PCB circuit board position on the working plate, fixing device is including setting up fixed plate on the working plate, be equipped with the tight structure of clamp that is used for pressing from both sides tight PCB circuit board on the fixed plate, press from both sides tight structure and include the hem, the hem by the fixed plate is kept away from the one end of working plate extends the formation, be equipped with the screw hole on the hem, screw hole female screw-thread fit has the threaded rod, the threaded rod is close to the one end fixedly connected with of PCB circuit board and is used for pressing. When needing to drill, on placing the working plate with the PCB circuit board earlier to guarantee that locating plate and PCB circuit board correspond, later rotate the threaded rod until locating plate and PCB circuit board butt together, the restriction of rethread working plate makes the PCB circuit board be in a state of being pressed from both sides tightly by locating plate and working plate all the time, thereby realizes the location to the PCB circuit board.

The above prior art solutions have the following drawbacks: after placing the PCB circuit board with pressing from both sides the material subassembly and when pressing from both sides the PCB circuit board tightly, need be twisted the threaded rod by the operating personnel manual in order to with locating plate and PCB circuit board butt, lead to the operating efficiency slower.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a PCB circuit board anchor clamps for laser engraving frock, it has the effect that can be fast convenient press from both sides the PCB circuit board tightly.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a PCB circuit board anchor clamps for laser engraving frock, includes that the roof sets up along the horizontal direction puts the flitch to and the rigid coupling is in the support body of putting the flitch bottom, still include two sets of set up in put the flitch and say the fixed holder on a set of just right both sides limit, and set up respectively in put the flitch activity holder on another a set of just right both sides limit, every group fixed holder all including set up on putting the flitch and along the horizontal direction towards another a set of the movable block that fixed holder one side slided, with the first actuating cylinder that the movable block is connected rotates connect in the flitch is pressed on the movable block, and with the first driving piece that rotates that the flitch is connected.

Through adopting above-mentioned technical scheme, when the sculpture PCB circuit board, place the PCB circuit board on putting the flitch, four limit portions of PCB circuit board are fixed by two sets of fixed holders and two sets of activity holders respectively again, when fixed holder was fixed with the limit portion of PCB circuit board, the first actuating cylinder in arbitrary group's fixed holder drove the movable block and moves towards another group's fixed holder one side, meanwhile, first rotation driving piece drives and presses the flitch to rotate towards PCB circuit board roof and compress tightly PCB circuit board roof until pressing the flitch, two sets of fixed holders alright compress tightly the corresponding limit portion of PCB circuit board. Through setting up first actuating cylinder and driving the movable block and move towards another group of fixed holder one side, for keeping away from another group of fixed holder for the initial position of each movable block and pressure flitch promptly, can avoid the clamp material subassembly to place the in-process PCB circuit board on putting the flitch with the PCB circuit board and press flitch and movable block to take place to interfere, can compress tightly PCB circuit board limit portion fast convenient through setting up pressure flitch and first rotation driving piece, its operating efficiency is higher.

The utility model discloses further set up to: first rotation driving piece including rotate connect in the movable block roof and with the rotor plate of pressure flitch rigid coupling, and set up in the movable block is kept away from put flitch one side and the second driving cylinder of being connected with the rotor plate, the piston rod axis of second driving cylinder sets up along vertical direction, the tailpiece of the piston rod portion rigid coupling of second driving cylinder has first guide holder, first guide holder lateral wall seted up along being on a parallel with the first guide way that the direction of motion of movable block set up, the rotor plate lateral wall rotate be connected with slide connect in first guide block in the first guide way.

Through adopting above-mentioned technical scheme, when first rotation driving piece drives the pressure flitch and rotates, the second driving cylinder drives first guide holder upward movement, and first guide block slides along first guide way during first guide holder motion, alright drive rotor plate rotate along the movable block during first guide block motion, alright drive pressure flitch rotate towards PCB circuit board roof when the rotor plate rotates along the movable block, alright and compress tightly the PCB circuit board. Through setting up the second actuating cylinder and drive the rotor plate and press the flitch to rotate, its operation is rapid, can be fast convenient compress tightly the PCB circuit board.

The utility model discloses further set up to: each group of movable clamping pieces are connected with the material placing plate in a sliding mode along the direction perpendicular to the moving direction of the movable blocks, and the two side walls, parallel to the moving direction of the movable blocks, of the material placing plate are fixedly connected with third driving cylinders connected with the movable clamping pieces.

Through adopting above-mentioned technical scheme, the same width of length of PCB circuit board is different, can drive two sets of movable holders by two third actuating cylinders and move towards relative direction, alright press from both sides the PCB circuit board of different width tightly. The third driving cylinder is arranged to adapt to PCB circuit boards with different widths, and the PCB circuit board has high universality.

The utility model discloses further set up to: the movable clamping piece comprises a sliding block which is connected with the side wall of the material placing plate in a sliding mode along the direction of motion of the movable block, the sliding block is fixedly connected with a piston rod of the third driving cylinder, the sliding block is fixedly connected with a rotating seat, two ends of the sliding block are respectively connected with a driving shaft which is rotatably connected with the rotating seat, a barrier strip fixedly connected with the driving shaft, and a second rotating driving piece which is arranged on the sliding block and connected with two ends of the driving shaft respectively.

Through adopting above-mentioned technical scheme, when the activity holder was fixed with the PCB circuit board, two third driving cylinders drove two sliding blocks and move towards relative one side, meanwhile, the second rotated the driving piece and drove the drive shaft and rotate towards PCB circuit board one side, alright drive blend stop rotate towards PCB circuit board one side when the drive shaft rotates, when the third driving cylinder drove the blend stop rotate to with PCB circuit board side butt alright press from both sides the PCB circuit board tightly, this kind of driving method simple structure, the operation is stable, and the operation is convenient fast.

The utility model discloses further set up to: the second rotates the driving piece include one end with the connecting rod of drive shaft tip rigid coupling, with the second guide block that the connecting rod other end rotates to be connected, along being on a parallel with the direction of motion of sliding block slide connect in the second guide holder of sliding block lateral wall, and with the fourth driving cylinder that the second guide holder is connected, the second guide holder roof runs through along vertical direction and has seted up the confession the second guide way that the second guide block slided.

Through adopting above-mentioned technical scheme, when the second rotated driving piece drove the drive shaft and rotates, the fourth drive cylinder drove the motion of second guide holder along the direction of motion that is on a parallel with the sliding block, and the second guide holder drove the second guide block along the second guide way and slides along the direction of motion that is on a parallel with the sliding block, and meanwhile connecting rod one end rotates along the second guide block, and the other end drove the drive shaft and rotates along rotating the seat. The driving mode is simple in structure and stable in operation, and the fourth driving cylinder is used for driving the driving shaft and the stop block to rotate so as to fix the PCB simply, conveniently and quickly.

The utility model discloses further set up to: the material placing plate side wall is provided with guide assemblies which are arranged in one-to-one correspondence with the sliding blocks, each guide assembly comprises a linear slide rail which is fixedly connected to the material placing plate side wall along the movement direction parallel to the sliding blocks, and a linear slide block which is connected with the linear slide rail in a sliding manner and is fixedly connected with the sliding blocks along the movement direction parallel to the sliding blocks.

Through adopting above-mentioned technical scheme, the sliding block drives linear slide block for the sliding block during the motion and slides along linear slide rail, can make the motion of sliding block more smooth and easy through setting up linear slide rail and linear slide block, can be more quick convenient press from both sides the PCB circuit board tightly.

The utility model discloses further set up to: the top wall of the material placing plate is provided with a plurality of avoiding holes in a penetrating mode, and the bottom wall of the material placing plate is provided with vacuum suckers corresponding to the avoiding holes.

Through adopting above-mentioned technical scheme, when placing the PCB circuit board on putting the flitch, vacuum chuck will dodge downthehole evacuation for dodge downthehole atmospheric pressure and be less than external atmospheric pressure, alright fix the PCB circuit board. Further fix the PCB circuit board through setting up vacuum chuck, alright be fixed more firmly with the PCB circuit board.

The utility model discloses further set up to: a protective layer is arranged on one side wall of the material pressing plate, which can be in contact with the PCB.

By adopting the technical scheme, the condition that the PCB is scratched by the pressing plate can be avoided.

To sum up, the utility model discloses a beneficial technological effect does:

1. the PCB can be quickly and conveniently fixed by arranging the fixed clamping piece and the movable clamping piece;

2. the first driving piece is arranged to drive the movable block to move, so that the PCB circuit board and the material pressing plate can be prevented from interfering when the PCB circuit board is placed on the material placing plate;

3. the third driving cylinder is arranged to drive the movable clamping piece to move, so that the movable clamping piece is applicable to PCB circuit boards with the same length and different widths, and has high universality.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention, and is intended to show the structure of the first viewing angle of the present invention.

Fig. 2 is a schematic structural diagram of a second view angle of the present invention, which is intended to show the installation position of the suction cup.

Fig. 3 is a schematic structural view of a first viewing angle of the fixing clip of the present invention.

Fig. 4 is a schematic structural view of a second viewing angle of the fixing clip of the present invention.

Fig. 5 is a partially enlarged schematic view of a portion a in fig. 1, and is intended to show a first view angle structure of the movable clamp according to the present invention.

Fig. 6 is a schematic structural view of a second view angle of the movable clamping member of the present invention.

In the figure, 1, a material placing plate; 11. avoiding holes; 12. a vacuum chuck; 2. a frame body; 3. fixing the clamping piece; 31. a movable block; 32. a first drive cylinder; 33. a material pressing plate; 34. a mounting seat; 35. a limiting seat; 351. a sliding hole; 352. a slide bar; 4. a movable clamping member; 41. a sliding block; 42. a rotating seat; 43. a drive shaft; 44. blocking strips; 5. a first rotary drive member; 51. a rotating plate; 52. a second drive cylinder; 53. a hinged seat; 54. a first guide seat; 55. a first guide groove; 56. a first guide block; 6. a third drive cylinder; 7. a guide assembly; 71. a linear slide rail; 72. a linear slider; 8. a second rotary drive member; 81. a connecting rod; 82. a second guide block; 83. a second guide seat; 84. a fourth drive cylinder; 85. a second guide groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a PCB circuit board anchor clamps for laser engraving frock, including the roof along the flitch 1 of putting that the horizontal direction set up, weld in the support body 2 of putting flitch 1 bottom, two sets of setting in putting the fixed holder 3 on 1 arbitrary group just right both sides limit of flitch to and set up respectively in putting 1 another group just right both sides limit of flitch movable holder 4.

Referring to fig. 1 and 2, the top wall of the material placing plate 1 is provided with a plurality of avoiding holes 11 along the vertical direction, and the bottom wall of the material placing plate 1 is provided with a plurality of vacuum chucks 12 corresponding to the avoiding holes 11.

Referring to fig. 3 and 4, each set of fixed clamping members 3 includes a movable block 31 disposed on the material placing plate 1 and sliding towards one side of the other set of fixed clamping members 3 along the horizontal direction, a first driving cylinder 32 connected to the movable block 31, a material pressing plate 33 rotatably connected to the movable block 31, and a first rotating driving member 5 connected to the material pressing plate 33, wherein a protective layer (not shown in the figure) is disposed on a side wall of the material pressing plate 33, which can contact with the PCB, and the protective layer is a silicone pad in this embodiment and is connected to the material pressing plate 33 through glue; first actuating cylinder 32 is the biax cylinder, and it has the mount pad 34 of L shape to put flitch 1 diapire welding, and first actuating cylinder 32 and mount pad 34 fixed connection, the welding has spacing seat 35 on the mount pad 34, runs through along the direction of motion that is on a parallel with movable block 31 on the spacing seat 35 and has seted up the hole 351 that slides, slides along the direction of motion that is on a parallel with movable block 31 and one end and the welded slide bar 352 of movable block 31 lateral wall in the hole 351 that slides.

Referring to fig. 3 and 4, the first rotary driving member 5 includes a rotating plate 51 rotatably connected to the top wall of the movable block 31 and welded to the material pressing plate 33, and a second driving cylinder 52 disposed on one side of the movable block 31 away from the material placing plate 1 and connected to the rotating plate 51, the top wall of the movable block 31 is fixedly connected to hinge seats 53 at two ends of the rotating plate 51 through screws, two ends of the rotating plate 51 are rotatably connected to the hinge seats 53, the second driving cylinder 52 is a dual-axis cylinder, and the axis of a piston rod of the second driving cylinder 52 is disposed along a vertical direction. A C-shaped first guide seat 54 is fixedly connected to the end of the piston rod of the second driving cylinder 52, a first guide groove 55 arranged in parallel to the moving direction of the movable block 31 is formed in two opposite side walls of the first guide seat 54, and a first guide block 56 connected in a sliding manner in the first guide groove 55 is rotatably connected to the side wall of the rotating plate 51.

Referring to fig. 5 and 6, each group of movable clamping members 4 is connected with the material placing plate 1 in a sliding manner along a moving direction perpendicular to the movable block 31, two side walls of the material placing plate 1 parallel to the moving direction of the movable block 31 are fixedly connected with third driving cylinders 6 connected with the movable clamping members 4, and the third driving cylinders 6 are pen-shaped cylinders. The side wall of the material placing plate 1 is provided with a guide assembly 7 which is arranged corresponding to the movable clamping piece 4 one by one, the guide assembly 7 comprises a linear slide rail 71 which is fixedly connected to the side wall of the material placing plate 1 along the moving direction parallel to the movable clamping piece 4 through screws, and a linear slide block 72 which is connected with the linear slide rail 71 in a sliding manner and is connected with the movable clamping piece along the moving direction parallel to the sliding block 41, in this embodiment, the linear slide rail 71 and the linear slide block 72 are both selected from a silver-coated linear slide rail series, and the specific model of the linear slide rail 71 and the linear slide rail 71 is not specifically described in this.

Referring to fig. 5 and 6, the movable clamping member 4 includes sliding blocks 41 respectively fixedly connected to the linear sliding blocks 72 and fixedly connected to the piston rods of the third driving cylinders 6, rotating seats 42 respectively welded to the sliding blocks 41, driving shafts 43 respectively rotatably connected to the rotating seats 42 at both ends, barrier ribs 44 fixedly connected to the driving shafts 43, and second rotary driving members 8 respectively disposed on the sliding blocks 41 and connected to both ends of the driving shafts 43.

Referring to fig. 5 and 6, the second rotary driving element 8 includes a connecting rod 81 having one end fixedly connected to the end of the driving shaft 43, a second guide block 82 rotatably connected to the other end of the connecting rod 81, a second guide seat 83 slidably connected to the side wall of the sliding block 41 along a direction parallel to the moving direction of the sliding block 41, and a fourth driving cylinder 84 connected to the second guide seat 83, the fourth driving cylinder 84 is a double-shaft cylinder, and a second guide groove 85 for allowing the second guide block 82 to slide is vertically formed through the top wall of the second guide seat 83.

The implementation principle of the embodiment is as follows: when the PCB is placed on the material placing plate 1, the PCB is fixed by the fixed clamping piece 3 and the movable clamping piece 4 respectively.

When the fixed holder 3 fixes the PCB circuit board, each first driving cylinder 32 drives the movable block 31 to move towards one side of another set of fixed holder 3, meanwhile, the second driving cylinder 52 drives the first guide seat 54 to move upwards along the vertical direction, the first guide seat 54 can drive the first guide block 56 to slide along the first guide groove 55 during moving, the first guide block 56 slides along the first guide groove 55, one end of the rotating plate 51 rotates along the hinged seat 53, the other end rotates along the first guide block 56, the rotating plate 51 can drive the pressure plate 33 to rotate towards one side of the PCB circuit board during rotating, and the PCB circuit board can be compressed tightly.

When the fixed clamping members 3 release the PCB, the first driving cylinder 32 drives the movable block 31 to move towards the side far away from the other set of fixed clamping members 3, and at the same time, the second driving cylinder 52 drives the first guiding seat 54 to move downwards, so that the PCB can be released.

When the movable clamping piece 4 fixes the PCB, each third driving cylinder 6 drives the sliding block 41 and the linear sliding block 72 to move towards one side of another set of movable clamping piece 4 along the linear sliding rail 71, meanwhile, the fourth driving cylinder 84 drives the second guide seat 83 to slide towards the side far away from the PCB, when the second guide block 82 slides, the second guide block 82 slides along the second guide groove 85, when the second guide block 82 slides along the second guide groove 85, one end of the connecting rod 81 rotates along the second guide block 82 and the other end drives the driving shaft 43 to rotate along the rotating seat 42, when the driving shaft 43 rotates, the blocking strip 44 can be driven to rotate towards one side of the PCB, when the third driving cylinder 6 drives the sliding block 41 to move the blocking strip 44 to contact with the side edge of the PCB, the movable clamping piece 4 can fix the PCB.

When the movable clamping piece 4 loosens the PCB circuit board, the third driving cylinder 6 drives the sliding block 41 to move towards the side far away from the other set of movable clamping piece 4, and meanwhile, the fourth driving cylinder 84 drives the second guide seat 83 to slide towards the side close to the PCB circuit board, so that the PCB circuit board can be loosened.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a PCB circuit board anchor clamps for laser engraving frock, includes that the roof sets up along the horizontal direction puts flitch (1) to and rigid coupling in support body (2) of putting flitch (1) bottom, its characterized in that: still including two sets of set up in put flitch (1) arbitrary group fixed holder (3) on just right both sides limit, and set up respectively in put movable holder (4) on flitch (1) another group just right both sides limit, every group fixed holder (3) all including set up on putting flitch (1) and along the horizontal direction towards another a set of movable block (31) that fixed holder (3) one side slided, with first actuating cylinder (32) that movable block (31) are connected rotate connect in pressure flitch (33) on movable block (31), and with first rotation driving piece (5) that pressure flitch (33) are connected.

2. The clamp for the PCB circuit board laser engraving tooling of claim 1, wherein: first rotation driving piece (5) including rotate connect in movable block (31) roof and with rotor plate (51) of pressure flitch (33) rigid coupling, and set up in movable block (31) are kept away from put flitch (1) one side and second driving cylinder (52) of being connected with rotor plate (51), the piston rod axis of second driving cylinder (52) sets up along vertical direction, the tailpiece of the piston rod portion rigid coupling of second driving cylinder (52) has first guide holder (54), first guide holder (54) lateral wall seted up along being on a parallel with first guide way (55) that the direction of motion of movable block (31) set up, rotor plate (51) lateral wall rotate be connected with slide connect in first guide block (56) in first guide way (55).

3. The clamp for the PCB circuit board laser engraving tooling of claim 1, wherein: every group activity holder (4) all along the perpendicular to the direction of motion of movable block (31) with put flitch (1) and slide and connect, put flitch (1) and be on a parallel with the equal rigid coupling of both sides wall of movable block (31) direction of motion have with third actuating cylinder (6) that activity holder (4) are connected.

4. The clamp for the PCB circuit board laser engraving tooling of claim 3, wherein: the activity holder (4) including along the perpendicular to the direction of motion of movable block (31) slide connect in put flitch (1) lateral wall and respectively with sliding block (41) of the piston rod rigid coupling of third actuating cylinder (6), respectively with rotating seat (42) of sliding block (41) rigid coupling, both ends respectively with rotate drive shaft (43) that seat (42) rotated and are connected, with blend stop (44) of drive shaft (43) rigid coupling, and set up respectively in on sliding block (41) and with second rotation driving piece (8) that drive shaft (43) both ends are connected.

5. The clamp for the PCB circuit board laser engraving tooling of claim 4, wherein: the second rotates driving piece (8) include one end with connecting rod (81) of drive shaft (43) tip rigid coupling, with connecting rod (81) other end rotates second guide block (82) of connecting, along being on a parallel with the direction of motion of sliding block (41) slide connect in second guide holder (83) of sliding block (41) lateral wall, and with fourth drive cylinder (84) that second guide holder (83) are connected, second guide holder (83) roof runs through along vertical direction and has seted up the confession second guide way (85) that second guide block (82) slided.

6. The clamp for the PCB circuit board laser engraving tooling of claim 4, wherein: put flitch (1) lateral wall be provided with direction subassembly (7) that sliding block (41) one-to-one set up, direction subassembly (7) including along being on a parallel with the direction of motion rigid coupling of sliding block (41) in put linear slide rail (71) of flitch (1) lateral wall, along being on a parallel with the direction of motion of sliding block (41) with linear slide rail (71) slide connect and with linear slider (72) of sliding block (41) rigid coupling.

7. The clamp for the PCB circuit board laser engraving tooling of claim 1, wherein: put flitch (1) roof and run through and seted up a plurality of holes of dodging (11), put flitch (1) diapire be provided with dodge vacuum chuck (12) that hole (11) correspond.

8. The clamp for the PCB circuit board laser engraving tooling of claim 1, wherein: a protective layer is arranged on one side wall of the material pressing plate (33) which can be contacted with the PCB.