WO2020034199A1 - 一种pcb板夹具 - Google Patents

一种pcb板夹具 Download PDF

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Publication number
WO2020034199A1
WO2020034199A1 PCT/CN2018/101095 CN2018101095W WO2020034199A1 WO 2020034199 A1 WO2020034199 A1 WO 2020034199A1 CN 2018101095 W CN2018101095 W CN 2018101095W WO 2020034199 A1 WO2020034199 A1 WO 2020034199A1
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WO
WIPO (PCT)
Prior art keywords
plate
fixed
chute
movable
pcb board
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Application number
PCT/CN2018/101095
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English (en)
French (fr)
Inventor
叶金茂
张刚
郭玉栋
Original Assignee
南京协辰电子科技有限公司
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Application filed by 南京协辰电子科技有限公司 filed Critical 南京协辰电子科技有限公司
Publication of WO2020034199A1 publication Critical patent/WO2020034199A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form

Definitions

  • the invention relates to the technical field of PCB production, in particular to a PCB board fixture.
  • the print head When inkjetting the PCB, in order to obtain an accurate image, the print head must be close to the PCB board. Once the PCB board is tilted, the print head may be damaged; therefore, it is necessary to press and fix the PCB board around.
  • the general processing method is to use a clamp. It is compact, and the traditional fixture can only adapt to a specific size PCB board, which is not very convenient to use.
  • the technical problem to be solved by the present invention is to provide a PCB board fixture that can be applied to different sizes.
  • a PCB board jig includes a rectangular structure table, fixed first jigs are respectively provided on the first long side and the first short side adjacent to the table, and a plurality of movable jigs are respectively provided in the middle area of the table; the movable jigs can be respectively Change the position in a direction perpendicular to the first long side or the first short side of the table; the PCB board is placed on the table, and the four sides of the PCB board are respectively pressed and fixed by the fixed fixture and the movable fixture.
  • the table is provided with a first chute perpendicular to the first long side and a second chute perpendicular to the first short side, and each of the first chute and the second chute is provided with a movable movement, respectively. Fixture.
  • a plurality of the first chute is provided along the second long side
  • the second chute is provided along the second short side in an area close to the first long side
  • the first chute close to the second short side is from the first
  • the two long sides extend to the second chute closest to the second long side; the length of the first chute near the first short side and the second chute near the first long side gradually become longer.
  • the two chutes form a stepped layout.
  • the first long side and the first short side are respectively provided with a plurality of jig slots uniformly along the length direction
  • the fixing jig includes a fixed key cooperating with the jig slot, and the upper surface of the fixed key faces at least the working area of the table One side extends to form a fixed pressure plate, and the fixed key can move up and down along the clamp groove to change the position.
  • a movable plate is respectively arranged below the first long side and the first short side of the table, the movable plate is fixedly matched with a fixing jig, and the movable plate is vertically matched with the table in a vertical direction.
  • a pull plate is further provided below the table surface, the pull plate and the table surface move in a horizontal direction, and the pull plate and the movable plate move in an oblique direction.
  • the pull plate moves in a horizontal direction relative to the table surface, it can drive
  • the movable plate approaches or moves away from the bottom plate in a vertical direction.
  • a bottom plate fixedly connected to the first long side and the first short side is provided below the table surface, the bottom plate is movably matched with the movable plate in the vertical direction, and the pull plate is movably matched with the bottom plate in the horizontal direction.
  • the base plate is provided with a plurality of through holes, and a connecting rod is provided in the through hole. Both ends of the connecting rod are provided with internal threads, and a fixing clamp and a movable plate are screwed and fixed to the two ends of the connecting rod, respectively.
  • An oil-free bushing freely mating with the connecting rod in the vertical direction is fixed in the hole.
  • a plurality of guide posts arranged in the vertical direction are fixed on the bottom plate, and an oil-free bushing slidingly fitted with the guide posts is fixed on the movable plate.
  • the guide post includes a fixing bolt and a fixing rod, an end of the fixing rod is provided with an internal thread; a fixing hole is provided on the bottom plate, and the fixing bolt is connected to the fixing provided on the bottom surface of the bottom plate through the fixing hole from the upper surface of the bottom plate. Pole.
  • the end of the fixing rod is provided in a square shape
  • the fixing hole is provided as a counterbore on the upper and lower surfaces of the bottom plate
  • the nut of the fixing bolt is settled in the upper surface of the bottom plate
  • the counterbore on the lower surface of the bottom plate is provided as a fixed hole Square counterbore fitted at the end.
  • the pull plate is vertically arranged below the bottom plate and is located on the side of the movable plate.
  • the surface of the pull plate is provided with a plurality of horizontal grooves and inclined grooves.
  • the lower surface of the bottom plate is fixed with a plurality of guide seats at positions corresponding to the horizontal grooves.
  • the two sides of the plate are in abutment with the movable plate and the guide seat, respectively; the guide seat is fixed with a first bearing in a rolling fit with the horizontal groove;
  • a traction shaft is fixedly disposed on a side of the movable plate facing the pull plate, and a second bearing that is in rolling cooperation with the chute is fixedly disposed on the traction shaft.
  • the guide base has a cubic structure, and a recessed square guide groove is provided on the lower surface of the bottom plate, and the guide base is fixed in the guide groove.
  • the bottom plate is respectively fixed with a plurality of limiting pillars along both sides of the pulling plate, and the limiting pillars clamp and fix the pulling plate.
  • a cylinder is fixed at the end of the pull plate, and the power output end of the cylinder is fixedly connected to the pull plate, and the pull plate can follow the cylinder to move in a horizontal direction.
  • the movable clamp includes a fixed base and a clamping plate
  • the fixed base is fixed on the bottom of the table, and slideably cooperates with the first chute or the second chute
  • the clamping plate is fixed above the table and along the fixed base.
  • the vertical direction is cooperative, and the downward movement of the clamping plate can compress the PCB board.
  • a clamping portion is provided above the fixing base, the clamping portion has a connection block cooperating with the first chute or the second chute, and both sides of the connection block in the vertical sliding direction extend to form a clamping plate.
  • the fixing base is provided with a clamping plate slot that penetrates the clamping portion and the fixing seat in a vertical direction, and the clamping plate is connected with a lifting cylinder through the clamping plate slot;
  • the clamping plate includes a matching block that cooperates with the clamping plate slot, and the matching block is at least vertical
  • the two sides in the sliding direction and the direction toward the PCB board respectively extend to form a splint.
  • the splint groove has a length along the moving direction of the clamping portion, and the connection block and the splint groove slide along the length direction.
  • the fixed seat is an L-shaped structure, the top of which is slidingly fitted with the table top 1, and a telescopic cylinder is arranged on the side; the lift cylinder is fixed on a cylinder seat, and the power output end of the telescopic cylinder is fixedly connected to the cylinder seat; on the fixed seat A slide rail is provided along the sliding direction of the connecting block, and a slider is slidably disposed on the slide rail, and the slider is fixedly matched with the cylinder seat.
  • the clamping plate sinks down along the area swept by the connecting block to form a receiving groove.
  • the side of the clamping plate near the PCB board protrudes upward relative to the receiving groove to form a positioning plate.
  • the clamping plate is opposite to the mating block. It is extended to two sides in the vertical sliding direction, and the clamping plate extends to one side of the PCB board to form a movable pressing plate.
  • the receiving groove supports the bottom of the movable pressing plate.
  • a recessed settling groove is respectively provided on the surface of the table at the positions where the first chute and the second chute are provided.
  • PCB board fixture provides advantages of the PCB board fixture provided by the present invention are that PCB boards of various sizes can be conveniently fixed on the table surface through the cooperation of fixed fixtures and movable fixtures, and the four sides of the PCB board can be simultaneously fixed at the same time, which effectively solves the problem of inkjet printing.
  • the PCB board is lifted up; the horizontal movement of the pull plate drives the movable board to move vertically to control the fixed fixture to move up and down at the same time, which is convenient to control and has a good prospect for promotion.
  • FIG. 1 is a schematic diagram of a PCB board fixture provided by an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a table surface of a PCB board fixture provided by the first embodiment of the present invention
  • FIG. 3 is a schematic diagram of a fixing fixture of a PCB board fixture according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a bottom plate of a PCB board fixture provided with a movable plate and a pull plate according to an embodiment of the present invention
  • Figure 5 is an exploded view of Figure 4.
  • FIG. 6 is an exploded view of a connecting rod assembly of a PCB board fixture provided by an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of a guide base of a PCB board fixture provided by an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of a traction shaft of a PCB board fixture provided by an embodiment of the present invention.
  • FIG. 9 is an assembly exploded view of a guide post of a PCB board fixture provided by an embodiment of the present invention.
  • FIG. 10 is a schematic diagram of a movable fixture of a PCB board fixture according to the first embodiment of the present invention.
  • FIG. 11 is a schematic diagram of a clamping plate of a PCB board fixture according to the first embodiment of the present invention.
  • FIG. 12 is a schematic diagram of a board surface of a PCB board fixture provided in Embodiment 2 of the present invention.
  • FIG. 13 is a schematic diagram of a movable jig of a PCB board jig provided in a second embodiment of the present invention.
  • FIG. 14 is a side view of a movable jig of a PCB board jig provided in Embodiment 2 of the present invention.
  • a PCB board fixture includes a table top 1 having a rectangular structure.
  • the upper and lower positions in this application are described with the working surface of the table top 1 as the upper side;
  • One short side 12 is respectively provided with a fixed jig 2 and a plurality of movable jigs 3 are provided in the middle area of the table 1.
  • the movable jigs 3 can change positions in a direction perpendicular to the first long side 11 and the first short side 12, respectively;
  • the PCB board 4 is placed on the countertop 1, and the two sides of the PCB board 4 abut against the fixed jig 2 of the first long side 11 and the first short side 12, respectively, and the movable jig 3 is moved to abut the PCB board 4
  • the four sides of the PCB board 4 can be fixed on the table 1 so as to prevent the PCB board 4 from being warped during inkjet.
  • the countertop 1 is further provided with a first sliding groove 15 perpendicular to the first long side 11 and a second sliding groove 16 perpendicular to the first short side 12; the first sliding grooves 15 are arranged side by side along the second long side 13 A plurality of second chutes 16 are provided side by side along the second short side 14.
  • the second chute 16 is provided in a region of the second short side 14 near the first long side 11 and close to the second short side 14.
  • the first chute 15 extends from the second long side 13 to the second chute 16, and along the length direction of the second long side 13, the length of the first chute 15 close to the first short side 12 is gradually extended and also close to the first
  • the length of the second chute 16 of the long side 11 is gradually extended, so that the first chute 15 and the second chute 16 form a stepped layout.
  • Each of the first chute 15 and the second chute 16 is movably provided with a movable jig 3, and the movable jig 3 slides along the first chute 15 and the second chute 16 to change positions to meet different sizes of PCB boards 4. Usage needs.
  • the upper surface of the table top 1 is provided with a plurality of clamp grooves 17 along the first long side 11 and the first short side 12.
  • the fixed clamp 2 includes a fixed key 21 that cooperates with the clamp groove 17.
  • the upper surface of the fixed key 21 extends to at least one side of the working area of the table 1 to form a fixed pressing plate 22.
  • the fixed key 21 can slide along the fixture groove 17 to change the height relative to the table 1.
  • the fixed pressing plate 22 follows the fixed key 21 and moves downward to press the PCB. Plate 4; in order to ensure that the fixing fixture 2 can maintain balance when pressing the PCB board 4, the periphery of the fixing platen 22 exceeds the upper surface of the fixing key 21.
  • a bottom plate 5 is fixedly connected to the lower surface of the table top 1 along the first long side 11 and the first short side 12, respectively.
  • a bottom plate 5 is provided with a movable plate 6 that movably cooperates with the bottom plate 5 in the vertical direction.
  • a pull plate 7 that is movably mated with the bottom plate 5 in a horizontal direction, the pull plate 7 and the side of the movable plate 6 are movably mated in an oblique direction; the movable plate 6 is fixedly mated with the fixing fixture 2.
  • the horizontal movement of the pull plate 7 relative to the bottom plate 5 can drive the movable plate 6 to move in the vertical direction relative to the bottom plate 5, and the fixed fixture 2 can follow the movable plate 6 in the vertical direction.
  • the bottom plate 5 is fixed with a plurality of guide pillars 51 arranged in a vertical direction, and the movable plate 6 and the guide pillars 51 are slidingly fitted.
  • an oil-free bushing (not shown) is fixed on the movable plate.
  • the guide post 51 is slidably engaged with the oil-free bushing.
  • the bottom plate 5 is further provided with a through hole (not shown), and the movable plate 6 and the fixing fixture 2 are freely fixed through the through hole; specifically, a connecting rod 53 is provided in the through hole, and the connection Both ends of the rod 53 have internal threads, and the fixing clamp 2 and the movable plate 6 are fixedly connected to the connecting rod 53 by bolts (not shown), and the two ends of the connecting rod 53 are respectively abutted on the movable plate 6 and the fixing clamp 2 to be connected.
  • the rod 53 slidingly cooperates with an oil-free bushing (not shown) fixed in the through hole, so that when the movable plate 6 moves relative to the guide post 51, the fixed fixture 2 can be driven to move up and down along the fixture groove 17.
  • the pull plate 7 is disposed on the side of the movable plate 6.
  • the surface of the pull plate 7 is respectively provided with a plurality of horizontal grooves 71 and inclined grooves 72.
  • the lower surface of the bottom plate 5 is fixed with a plurality of guide seats 54. It is vertically arranged below the bottom plate 5, and the two sides of the pull plate 7 abut the movable plate 6 and the guide base 54 respectively.
  • the guide base 54 is provided with a bolt (not shown) facing the pull plate 7.
  • the bolt is fixed with a first bearing 541 that is in rolling engagement with the horizontal groove 71.
  • the pull plate 7 can be horizontally opposed to the bottom plate 5 through the horizontal groove 71. motion.
  • a lower surface of the bottom plate 5 is provided with a guide groove 542 for accommodating the guide base 54 in a recessed manner, thereby restricting the guide base 54 from swinging left and right.
  • the guide base 54 is a cubic structure, and the guide groove 542 is a square groove.
  • a side of the movable plate 6 facing the pull plate 7 is provided with a traction shaft 61, and a second bearing 611 that is in rolling cooperation with the chute 72 is fixed on the traction shaft 61.
  • the lower surface of the bottom plate 5 is along the pull plate 7, and a plurality of limiting posts 55 are provided on both sides.
  • the limit posts 55 clamp and fix the pull plate 7 to ensure that the pull plate 7 always moves in a state of the vertical bottom plate 5; Preventing the tilting of the pull plate 7 during the movement to prevent torque from affecting the service life of the bolts of the traction shaft 61 and the guide seat 54.
  • a limiting block 73 is protruded from a side of the pull plate 7 facing the bottom plate 5.
  • a limiting groove 57 is provided on the lower surface of the bottom plate 5 to cooperate with the limiting block 73.
  • the limiting block 73 can be arranged along the limiting groove. 57 slides, thereby further ensuring that the pull plate 7 remains vertical during the movement.
  • a cylinder 8 is fixed at the end of the pulling plate 7, and the power output end of the cylinder 8 is fixedly connected to the pulling plate 7.
  • the air cylinder 8 can drive the pulling plate 7 to move in the horizontal direction; the air cylinder 8 is connected to the vacuum equipment through a pipeline.
  • the guide post 51 includes a fixing bolt 511 and a fixing rod 512, and the end of the fixing rod is provided with an internal thread;
  • the base plate 5 is provided with a fixing hole 56 for fixing the guide post 5, and the fixing bolt 511 penetrates from the upper surface of the base plate 5.
  • the fixing rod 512 provided on the lower surface of the bottom plate 5 is connected through the fixing hole 56 to form a guide post 51.
  • the fixing hole 56 is provided with sink holes on the upper and lower surfaces of the bottom plate 5 so as to connect the nut of the fixing bolt 511 and the fixing rod 512. The ends are hidden in the bottom plate 5.
  • an end portion of the fixing rod 512 is set to a square shape, and a counterbored hole matched with the fixing rod 512 is also set to a square shape counterbore hole, which is convenient for tightening and fixing the fixing bolt 511.
  • the limiting post 55 may be provided in the same structure as the guide post 51.
  • the movable clamp 3 includes a fixed base 31 and a clamping plate 32; the fixed base 31 is fixed to the bottom of the table 1 and slideably cooperates with the first chute 15 and the second chute 16; the clamping plate 32 is provided It is above the countertop 1 and movably cooperates with the fixing base 31 in the vertical direction; the clamping plate member 32 can move downward to press the edge of the PCB board 4.
  • a clamping portion 33 is provided above the fixing base 31.
  • the clamping portion 33 has a connection block 331 cooperating with the first chute 15 and the second chute 16.
  • a clamping plate 332 is extended to the side.
  • the fixing seat 31 is provided with a clamping plate groove 311.
  • the clamping plate groove 311 penetrates the clamping portion 33 and the fixing seat 31 in a vertical direction.
  • the clamping plate 32 can move vertically relative to the fixing seat 31 along the clamping plate groove 311.
  • the splint member 32 includes mating blocks 321 mated with the splint grooves 311, and the mating blocks 321 extend to at least two sides in the vertical sliding direction of the fixing base 31 and to the direction of the PCB 4 to form a splint 322.
  • a lifting cylinder 34 is arranged below the fixing seat 31.
  • the power output end of the lifting cylinder 34 is fixedly connected to the mating block 321.
  • the clamping plate 32 can move in the vertical direction under the driving of the lifting cylinder 34.
  • the clamping plate 322 can be pressed against the edge of the PCB board 4. .
  • the PCB board 4 is placed on the countertop 1 so that both sides of the PCB board 4 abut the fixed keys 21 at the first long side 11 and the second long side 12 respectively; at the same time along the first slide slot 15 and the first
  • the two sliding grooves 16 slide the movable jig 3 so that the mating block 321 abuts the other two sides of the PCB board 4, and then moves the fixed jig 2 and the movable jig 3 to press the PCB board 4.
  • the lower surface of the PCB board 4 is pressed against the upper surface of the clamping plate 332.
  • the upper surface of the table 1 is provided with a lower groove along the first sliding groove 15 and the second sliding groove 16 respectively.
  • the recessed sinking groove 18 and the clamping plate 332 are received in the sinking groove 18 so that the upper surface of the clamping plate 332 is hidden under the surface of the table 1.
  • first sliding groove 15 and a second sliding groove 16 are provided on the table surface 1 along the length direction of the second long side 13 and the second short side 14 respectively;
  • the end points of the first chute 15 and the second chute 16 are extended to the diagonal of the table surface 1, so that the first chute 15 and the second chute 16 in a step-like layout are presented on the entire table surface 1.
  • the clamping plate 32 of the movable clamp 3 provided in this embodiment can also be movably matched with the clamping plate groove 311 in the sliding direction of the connection block 331.
  • the lifting cylinder 34 is fixed on the cylinder seat 341, and the cylinder seat 341 is fixed with The seat 31 is slidably fitted along the length direction of the clamping plate groove 311.
  • a slide rail 35 is fixed at the bottom of the fixing base 31, and the slide rail 35 is disposed along the length direction of the clamping plate groove 311.
  • a slide block 351 is slidably disposed on the slide rail 35, and the slide block 351 is fixedly matched with the cylinder seat 341.
  • the cylinder block 341 can follow the slider 351 and slide along the slide rail 35, thereby driving the lifting cylinder 34 to move.
  • the fixed seat 31 is fixedly provided with a telescopic cylinder 36 facing the lifting cylinder 34 along one side of the sliding direction.
  • the power output end of the telescopic cylinder 36 is fixedly connected to the cylinder seat 341.
  • the telescopic cylinder 36 drives the cylinder seat 341 to slide along the sliding seat. Rail 35 movement.
  • the fixing base 31 is provided in an L-shaped structure.
  • the top of the fixing base 31 is slidably connected to the table top 1, and the side is fixedly connected to the telescopic air cylinder 36.
  • the two sides of the PCB board 4 are abutted with the fixed keys 21 at the first long side 11 and the second long side 12, respectively, and then slide along the first sliding groove 15 and the second
  • the grooves 16 slide the movable clamps 3 respectively to fix the movable clamps 3 at a certain distance from the PCB board 4; the clamping plate 32 is lifted up by lifting the cylinder 34, and then the clamping plate 32 is moved along the clamping plate groove 311 by the expansion cylinder 36 Slide to the edge of the PCB board 4, and then raise the air cylinder 34 to drive the clamp plate 32 down, and the clamp plate 322 can be pressed tightly on the PCB board 4.
  • the distance between the PCB board 4 and the movable jig 3 is inconvenient to determine.
  • a side of the clamping plate 332 near the PCB board 4 is provided with a positioning plate 333 protruding upward.
  • the lifting cylinder 34 drives the clamping plate 322 to lower and compress the PCB board 4. At this time, the edge of the PCB board 4 and the edge of the positioning plate 333 can be placed overlapping.
  • both sides of the splint 322 will leave the upper surface of the clamping plate 332, and the failure of the clamping plate 322 to be supported by the clamping plate 332 will affect the life and use effect of the splint 322.
  • the thickness of the clamping plate 332 is further increased, and the thickness of the settling groove 18 also needs to be increased. Therefore, the strength of the cooperation between the first chute 15 and the second chute 16 and the movable jig 3 may be increased.
  • the clamping plate 332 sinks down to form an accommodation groove 334, so that the portion of the clamping plate 332 near the PCB board 4 is formed relative to the accommodation groove 334.
  • the positioning plate 333 protrudes upward.
  • the clamping plate 322 extends from both sides of the mating block 321 in the vertical sliding direction.
  • the clamping plate 322 extends to the PCB board 4 side to form a movable pressing plate 323 that cooperates with the positioning plate 333.
  • the edge of the PCB 4 is aligned with the edge of the receiving groove 334.
  • the movable pressing plate 323 presses the PCB 4 and the receiving groove 334 supports the bottom of the clamping plate 322 to prevent the movable pressing plate 323 from being deformed too much.

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Abstract

本发明公开了一种PCB板夹具，包括矩形结构的台面，所述台面相邻的第一长边和第一短边分别设置有固定夹具，台面中间区域分别设置有多个活动夹具；所述活动夹具能够分别沿垂直于台面第一长边或第一短边的方向改变位置；PCB板放置于台面上，PCB板四边分别被固定夹具、活动夹具压紧固定。本发明提供的一种PCB板夹具的优点在于：通过固定夹具和活动夹具的配合能够便捷的将各种尺寸的PCB板固定于台面上，且能够同时固定PCB板四边，有效解决在喷墨时PCB板翘起问题；通过拉板控制活动板实现固定夹具同时升降，控制方便，具有良好的推广前景。

Description

一种PCB板夹具 技术领域
本发明涉及PCB生产技术领域，尤其涉及一种PCB板夹具。
背景技术
在对PCB进行喷墨时，为了获得准确的图像，喷头要足够靠近PCB板，一旦PCB板有翘起，可能会损伤喷头；因此需要将PCB板四周压紧固定，一般的处理方式是用夹具压紧，而传统夹具只能适应特定尺寸的PCB板，使用起来不是很方便。
发明内容
本发明所要解决的技术问题在于提供一种能够适用不同尺寸的PCB板夹具。
本发明是通过以下技术方案解决上述技术问题的：
一种PCB板夹具，包括矩形结构的台面，所述台面相邻的第一长边和第一短边分别设置有固定夹具，台面中间区域分别设置有多个活动夹具；所述活动夹具能够分别沿垂直于台面第一长边或第一短边的方向改变位置；PCB板放置于台面上，PCB板四边分别被固定夹具、活动夹具压紧固定。
优选地，所述台面上设置有与第一长边垂直的第一滑槽以及与第一短边垂直的第二滑槽，每个第一滑槽和第二滑槽内分别设置有一个活动夹具。
优选地，所述第一滑槽沿第二长边设置有多个，第二滑槽沿第二短边设置于靠近第一长边的区域，靠近第二短边的第一滑槽从第二长边延伸到最靠近第二长边的第二滑槽处；靠近第一短边的第一滑槽与靠近第一长边的第二滑槽长度逐渐变长，第一滑槽和第二滑槽形成台阶型布局。
优选地，所述第一长边和第一短边分别沿长度方向均匀设置有多个夹具槽，所述固定夹具包括与夹具槽配合的固定键，所述固定键上表面至少向台面工作区域一侧延伸形成固定压板，所述固定键能够沿夹具槽上下运动改变位置。
优选地，所述台面第一长边和第一短边下方分别设置有一个活动板，所述活动板与固定夹具固定配合，活动板沿竖直方向与台面活动配合。
优选地，所述台面下方还设置有一拉板，所述拉板与台面沿水平方向活动配合，拉板与活动板沿斜向活动配合，所述拉板相对台面沿水平方向运动时，能够带动活动板沿竖直方向靠近或远离底板。
优选地，所述台面下方设置有与第一长边和第一短边固定连接的底板，底板与活动板沿竖直方向活动配合，拉板与底板沿水平方向活动配合。
优选地，所述底板上设置有多个通孔，通孔内设置有一连接杆，所述连接杆两端均设置有内螺纹，固定夹具和活动板分别与连接杆两端螺接固定；通孔内固定有与连接杆沿竖直方向自由配合的无油衬套。
优选地，所述底板上固定有多个沿竖直方向设置的导向柱，所述活动板上固定有与导向柱滑动配合的无油衬套。
优选地，所述导向柱包括固定螺栓和固定杆，固定杆端部设置有内螺纹；底板上设置有固定孔，所述固定螺栓从底板上表面穿过固定孔连接设置于底板下表面的固定杆。
优选地，所述固定杆端部设置为方形，所述固定孔在底板上下表面均设置为沉孔，固定螺栓的螺帽沉降在底板上表面内，底板下表面的沉孔设置为与固定杆端部配合的方形沉孔。
优选地，所述拉板竖直设置在底板下方，并位于活动板侧面，拉板表面设置有多个水平槽和斜槽；底板下表面与水平槽对应的位置固定有多个导向座，拉板两侧分别与活动板和导向座抵接；所述导向座上固定有与水平槽滚动配合的第一轴承；
活动板朝向拉板一侧固定设置有牵引轴，所述牵引轴上固定设置有与斜槽滚动配合的第二轴承。
优选地，所述导向座为立方体结构，底板下表面设置有一内凹的方形导向槽，导向座固定于导向槽内。
优选地，所述底板沿拉板两侧分别固定有多个限位柱，所述限位柱夹持固定所述拉板。
优选地，所述拉板端部固定有一气缸，气缸的动力输出端与拉板固定连接，拉板能够跟随气缸沿水平方向运动。
优选地，所述活动夹具包括固定座和夹板件，所述固定座固定于台面底部，并与第一滑槽或第二滑槽滑动配合，所述夹板件固定于台面上方并与固定座沿竖直方向活动配合，夹板件向下运动能够压紧PCB板。
优选地，所述固定座上方设置有一夹持部，所述夹持部具有与第一滑槽或第二滑槽配合的连接块，连接块上方向垂直滑动方向的两侧延伸形成夹持板；固定座上设置有一沿竖直方向贯穿夹持部和固定座的夹板槽，夹板件穿过夹板槽连接有一抬升气缸；所述夹板件包括与夹板槽配合的配合块，配合块至少向垂直滑动方向的两侧及朝向PCB板的方向分别延伸形成夹板。
优选地，所述夹板槽沿夹持部活动方向具有长度，连接块与夹板槽沿长度方向滑动配合。
优选地，所述固定座为L形结构，其顶部与台面1滑动配合，侧面设置有一伸缩气缸；抬升气缸固定于一气缸座上，伸缩气缸的动力输出端与气缸座固接；固定座上沿连接块滑动方向设置有一滑轨，滑轨上滑动设置有一滑块，所述滑块与气缸座固定配合。
优选地，所述夹持板沿连接块滑动路径扫过的区域向下沉降形成容置槽，夹持板靠近PCB板的 一侧相对于容置槽向上突出形成定位板，夹板相对于配合块向垂直滑动方向的两侧延伸设置，夹板向PCB板一侧延伸形成活动压板，所述活动压板与定位板顶部接触时，容置槽支撑活动压板底部。
优选地，所述台面上表面在设置有第一滑槽和第二滑槽的位置分别设置有下凹的沉降槽，活动夹具与第一滑槽或第二滑槽配合时，夹持板容置于沉降槽中。
本发明提供的一种PCB板夹具的优点在于：通过固定夹具和活动夹具的配合能够便捷的将各种尺寸的PCB板固定于台面上，且能够同时固定PCB板四边，有效解决在喷墨时PCB板翘起问题；通过拉板水平运动带动活动板竖直运动从而控制固定夹具同时升降，控制方便，具有良好的推广前景。
附图说明
图1是本发明的实施例所提供的一种PCB板夹具的示意图；
图2是本发明的实施例一所提供的PCB板夹具的台面的示意图；
图3是本发明的实施例所提供的PCB板夹具的固定夹具的示意图；
图4是本发明的实施例所提供的PCB板夹具的底板与活动板和拉板配合的示意图；
图5是图4的爆炸图；
图6是本发明的实施例所提供的PCB板夹具的连接杆装配爆炸图；
图7是本发明的实施例所提供的PCB板夹具的导向座的示意图；
图8是本发明的实施例所提供的PCB板夹具的牵引轴的示意图；
图9是本发明的实施例所提供的PCB板夹具的导向柱的装配爆炸图；
图10是本发明的实施例一所提供的PCB板夹具的活动夹具的示意图；
图11是本发明的实施例一所提供的PCB板夹具的夹板件的示意图；
图12是本发明的实施例二所提供的PCB板夹具的台面示意图；
图13是本发明的实施例二所提供的PCB板夹具的活动夹具的示意图；
图14是本发明额度实施例二所提供的PCB板夹具的活动夹具的侧视图。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚明白，以下结合具体实施例，并参照附图，对本发明作进一步的详细说明。
实施例一
如图1所示，一种PCB板夹具，包括矩形结构的台面1，本申请中的上下方位均以台面1的工作面为上方进行描述；所述台面相邻的第一长边11和第一短边12上分别设置有固定夹具2，台面1 中间区域设置有多个活动夹具3，所述活动夹具3能够分别沿垂直于第一长边11和第一短边12的方向改变位置；在工作时，将PCB板4放置于台面1上，PCB板4两边分别抵在第一长边11和第一短边12的固定夹具2上，并移动活动夹具3使其抵在PCB板4另外两边处，即可将PCB板4四边固定在台面1上，从而防止PCB板4在喷墨时发生翘起的情况。
所述台面1上还设置有与第一长边11垂直的第一滑槽15以及与第一短边12垂直的第二滑槽16；所述第一滑槽15沿第二长边13并排设置有多个，第二滑槽16沿第二短边14并排设置有多个，第二滑槽16设置于第二短边14靠近第一长边11的区域，靠近第二短边14的第一滑槽15从第二长边13延伸到第二滑槽16处，沿第二长边13的长度方向，靠近第一短边12的第一滑槽15长度逐渐延长，同样靠近第一长边11的第二滑槽16长度也逐渐延长；从而使第一滑槽15和第二滑槽16形成台阶型布局。
每个第一滑槽15和第二滑槽16内均活动设置有一个活动夹具3，通过活动夹具3沿第一滑槽15和第二滑槽16滑动改变位置来满足不同尺寸的PCB板4的使用需求。
结合图2和图3，台面1上表面沿所述第一长边11和第一短边12设置有多个夹具槽17，所述固定夹具2包括与夹具槽17配合的固定键21，所述固定键21上表面至少向台面1工作区域一侧延伸形成固定压板22，固定键21能够沿夹具槽17相对于台面1滑动改变高度；固定压板22跟随固定键21向下运动能够压紧PCB板4；为了确保固定夹具2在压紧PCB板4时能够保持平衡，固定压板22四周均超出固定键21的上表面。
参考图4和图5，台面1下表面沿第一长边11和第一短边12分别固定连接有一个底板5，底板5下方设置有一个与底板5沿竖直方向活动配合的活动板6，以及与底板5沿水平方向活动配合的拉板7，拉板7与活动板6的侧面沿斜向活动配合；所述活动板6与固定夹具2固定配合。所述拉板7相对底板5沿水平方向运动能够带动活动板6相对底板5沿竖直方向运动，固定夹具2能够跟随活动板6沿竖直方向运动。
所述底板5上固定有多个沿竖直方向设置的导向柱51，活动板6与导向柱51滑动配合，优选实施例中，在活动板上固定有无油衬套(图未示)，导向柱51与无油衬套滑动配合。
结合图6，所述底板5上还设置有一通孔(图未示)，活动板6与固定夹具2自由穿过通孔固定配合；具体地，通孔内设置有一连接杆53，所述连接杆53两端均具有内螺纹，固定夹具2和活动板6分别通过螺栓(图未示)与连接杆53固定连接，将连接杆53两端分别抵在活动板6和固定夹具2上，连接杆53与固定在通孔内的无油衬套(图未示)滑动配合，从而在活动板6相对于导向柱51活动时，能够带动固定夹具2沿夹具槽17上下运动。
结合图7，所述拉板7设置于活动板6侧面，拉板7表面分别设置有多个水平槽71和斜槽72， 所述底板5下表面固定有多个导向座54，拉板7竖直设置在底板5下方，拉板7两侧分别与活动板6和导向座54抵接。所述导向座54上设置有朝向拉板7的螺栓(图未示)，螺栓上固定有与水平槽71滚动配合的第一轴承541，拉板7能够通过水平槽71相对底板5沿水平方向运动。优选实施例中，底板5下表面内凹设置有容置导向座54的导向槽542，从而限制导向座54左右晃动。
本实施例中所述导向座54为立方体结构，所述导向槽542为方形凹槽。
参考图8，活动板6朝向拉板7的一侧设置有牵引轴61，牵引轴61上固定有与斜槽72滚动配合的第二轴承611，拉板7沿水平方向运动时，牵引轴61沿斜槽72运动，从而改变活动板6的高度。
所述底板5下表面沿拉板7，两侧还设置有多个限位柱55，所述限位柱55夹持固定拉板7，确保拉板7始终保持垂直底板5的状态进行运动；防止拉板7在运动过程中发生倾斜产生扭力影响牵引轴61和导向座54的螺栓的使用寿命。
再参考图5，所述拉板7朝向底板5的一侧突出设置有限位块73，底板5下表面设置有与限位块73配合的限位槽57，限位块73能够沿限位槽57滑动，从而进一步保证拉板7在运动过程中保持竖直状态。
拉板7端部固定有一个气缸8，气缸8的动力输出端与拉板7固定连接。气缸8能够驱动拉板7沿水平方向运动；气缸8通过管道连接真空设备。
参考图9，所述导向柱51包括固定螺栓511和固定杆512，固定杆端部设置有内螺纹；底板5上设置有固定导向柱5的固定孔56，固定螺栓511从底板5上表面穿过固定孔56连接设置于底板5下表面的固定杆512，从而形成导向柱51；所述固定孔56在底板5上下表面均设置沉孔，从而将固定螺栓511的螺帽和固定杆512的端部隐藏在底板5内。优选实施例中，所述固定杆512的端部设置为方形，与固定杆512配合的沉孔同样设置为方形沉孔，便于固定螺栓511拧紧固定。
所述限位柱55可以设置为与导向柱51相同的结构。
参考图10，所述活动夹具3包括固定座31、夹板件32；所述固定座31固定于台面1底部，与第一滑槽15和第二滑槽16滑动配合；所述夹板件32设置于台面1上方并与固定座31沿竖直方向活动配合；夹板件32能够向下运动压紧PCB板4的边缘。
所述固定座31上方设置有一夹持部33，所述夹持部33具有与第一滑槽15和第二滑槽16配合的连接块331，所述连接块331上方向垂直滑动方向的两侧延伸形成夹持板332，活动夹具3与第一滑槽15和第二滑槽16配合时，固定座31的上表面与台面1的下表面抵接，夹持部33的下表面与台面1的上表面抵接；连接块331能够沿第一滑槽15和第二滑槽16运动。
所述固定座31上设置有一夹板槽311，夹板槽311沿竖直方向贯穿夹持部33和固定座31，夹板件32能够沿夹板槽311相对于固定座31竖直运动。参考图11，所述夹板件32包括与夹板槽311配 合的配合块321，所述配合块321至少向固定座31垂直滑动方向的两侧及朝向PCB板4的方向延伸形成夹板322。固定座31下方设置有一抬升气缸34，抬升气缸34的动力输出端与配合块321固定连接，夹板件32能够在抬升气缸34驱动下沿竖直方向运动，夹板322能够压紧在PCB板4边缘。
在使用时，将PCB板4放置于台面1上，使PCB板4的两边分别与第一长边11和第二长边12处的固定键21抵接；同时沿第一滑槽15和第二滑槽16滑动活动夹具3，使配合块321与PCB板4的另外两边抵接，然后动作使固定夹具2和活动夹具3压紧PCB板4即可。
PCB板4的下表面会压在夹持板332的上表面，为了防止夹持板332将PCB板4抬起，台面1上表面沿第一滑槽15和第二滑槽16分别设置有下凹的沉降槽18，夹持板332容置于沉降槽18中，从而使夹持板332的上表面隐藏在台面1表面之下。
实施例二
参考图12，本实施例与实施例一的区别在于，在所述台面1上分别沿第二长边13和第二短边14的长度方向设置第一滑槽15和第二滑槽16；并将第一滑槽15和第二滑槽16的端点延伸到台面1的对角线，从而在整个台面1上呈现台阶状布局的第一滑槽15和第二滑槽16。
参考图13，本实施例提供的活动夹具3的夹板件32还能够与夹板槽311沿连接块331滑动方向活动配合，所述抬升气缸34固定于气缸座341上，所述气缸座341与固定座31沿夹板槽311长度方向滑动配合。
所述固定座31底部固定有一滑轨35，所述滑轨35沿夹板槽311长度方向设置。滑轨35上滑动设置有一滑块351，所述滑块351与气缸座341固定配合。气缸座341能够跟随滑块351沿滑轨35滑动，从而带动抬升气缸34运动。
所述固定座31沿滑动方向一侧固定设置有一朝向抬升气缸34的伸缩气缸36，所述伸缩气缸36的动力输出端固定连接所述气缸座341，所述伸缩气缸36驱动气缸座341沿滑轨35运动。
所述固定座31设置为L形结构，其顶部与台面1滑动连接，侧面与伸缩气缸36固定连接。
在使用本实施例提供的PCB板夹具时，将PCB板4的两边分别与第一长边11和第二长边12处的固定键21抵接后，沿第一滑槽15和第二滑槽16分别滑动活动夹具3，将活动夹具3固定在与PCB板4有一定距离的位置；向通过抬升气缸34将夹板件32顶起，然后通过伸缩气缸36动作将夹板件32沿夹板槽311滑动到PCB板4边缘，然后抬升气缸34带动夹板件32下降，夹板322紧压在PCB板4上即可。
在使用本实施例提供给的活动夹具3时，PCB板4与活动夹具3的距离不方便确定，优选实施例中，夹持板332靠近PCB板4的一侧设置有向上突出的定位板333，伸缩气缸36驱动配合块321运动到定位板333的边缘后，抬升气缸34驱动夹板322下降压紧PCB板4，此时将PCB板4的边缘 与定位板333的边缘重叠放置即可。
此时夹板322下落在定位板333上后，夹板322两侧会离开夹持板332的上表面，夹板322得不到夹持板332的支撑会影响夹板322寿命和使用效果。另外，夹持板332的厚度进一步增加，沉降槽18的厚度也需要增加，会因此第一滑槽15和第二滑槽16与活动夹具3的配合强度。
优选实施例中沿连接块331在夹板槽311滑动扫过的区域，夹持板332向下沉降形成容置槽334，从而使夹持板332靠近PCB板4的部分相对于容置槽334形成向上突出的定位板333，夹板322相对于配合块321向垂直滑动方向的两侧延伸设置，夹板322向PCB板4一侧延伸形成与定位板333配合的活动压板323。
在使用时将PCB板4的边缘与容置槽334的边缘对齐放置，活动压板323压住PCB板4，容置槽334支撑夹板322的底部从而防止活动压板323形变过大。
以上所述的具体实施例，对本发明的目的、技术方案和有益效果进行了进一步详细说明，应理解的是，以上所述仅为本发明的具体实施例而已，并不用于限制本发明，在不脱离本发明的精神和原则的前提下，本领域普通技术人员对本发明所做的任何修改、等同替换、改进等，均应落入本发明权利要求书确定的保护范围之内。

Claims (10)

  1. 一种PCB板夹具，其特征在于：包括矩形结构的台面，所述台面相邻的第一长边和第一短边分别设置有固定夹具，台面中间区域分别设置有多个活动夹具；所述活动夹具能够分别沿垂直于台面第一长边或第一短边的方向改变位置；PCB板放置于台面上，PCB板四边分别被固定夹具、活动夹具压紧固定。
  2. 根据权利要求1所述的一种PCB板夹具，其特征在于：所述台面上设置有与第一长边垂直的第一滑槽以及与第一短边垂直的第二滑槽，每个第一滑槽和第二滑槽内分别设置有一个活动夹具。
  3. 根据权利要求2所述的一种PCB板夹具，其特征在于：所述第一滑槽沿第二长边设置有多个，第二滑槽沿第二短边设置于靠近第一长边的区域，靠近第二短边的第一滑槽从第二长边延伸到最靠近第二长边的第二滑槽处；靠近第一短边的第一滑槽与靠近第一长边的第二滑槽长度逐渐变长，第一滑槽和第二滑槽形成台阶型布局。
  4. 根据权利要求1所述的一种PCB板夹具，其特征在于：所述第一长边和第一短边分别沿长度方向均匀设置有多个夹具槽，所述固定夹具包括与夹具槽配合的固定键，所述固定键上表面至少向台面工作区域一侧延伸形成固定压板，所述固定键能够沿夹具槽上下运动改变位置。
  5. 根据权利要求4所述的一种PCB板夹具，其特征在于：所述台面第一长边和第一短边下方分别固定有一底板，底板下方设置有与底板沿竖直方向活动配合并固定连接固定夹具的活动板，以及与底板沿水平方向配合的拉板，所述拉板与活动板的侧面沿斜向活动配合。
  6. 根据权利要求5所述的一种PCB板夹具，其特征在于：所述底板上设置有多个通孔，通孔内设置有一连接杆，所述连接杆两端均设置有内螺纹，固定夹具和活动板分别与连接杆两端螺接固定；通孔内固定有与连接杆沿竖直方向自由配合的无油衬套；
    所述底板上固定有多个沿竖直方向设置的导向柱，所述活动板上固定有与导向柱滑动配合的无油衬套；
    所述导向柱包括固定螺栓和固定杆，固定杆端部设置有内螺纹；底板上设置有固定孔，所述固定螺栓从底板上表面穿过固定孔连接设置于底板下表面的固定杆。
  7. 根据权利要求5所述的一种PCB板夹具，其特征在于：所述拉板竖直设置在底板下方，并位于活动板侧面，拉板表面设置有多个水平槽和斜槽；底板下表面与水平槽对应的位置固定有多个导向座，拉板两侧分别与活动板和导向座抵接；所述导向座上固定有与水平槽滚动配合的第一轴承；
    活动板朝向拉板一侧固定设置有牵引轴，所述牵引轴上固定设置有与斜槽滚动配合的第二轴承；
    所述底板沿拉板两侧分别固定有多个限位柱，所述限位柱夹持固定所述拉板；
    所述拉板端部固定有一气缸，气缸的动力输出端与拉板水平方向平行并与拉板水平方向的一端固定连接。
  8. 根据权利要求1所述的一种PCB夹具，其特征在于：所述活动夹具包括固定座和夹板件，所述固定座固定于台面底部，并与第一滑槽或第二滑槽滑动配合，所述夹板件固定于台面上方并与固定座沿竖直方向活动配合，夹板件向下运动能够压紧PCB板；
    所述固定座上方设置有一夹持部，所述夹持部具有与第一滑槽或第二滑槽配合的连接块，连接块上方向垂直滑动方向的两侧延伸形成夹持板；固定座上设置有一沿竖直方向贯穿夹持部和固定座的夹板槽，夹板件穿过夹板槽连接有一抬升气缸；所述夹板件包括与夹板槽配合的配合块，配合块至少向垂直滑动方向的两侧及朝向PCB板的方向分别延伸形成夹板。
  9. 根据权利要求8所述的一种PCB板夹具，其特征在于：所述夹板槽沿夹持部活动方向具有长度，连接块与夹板槽沿长度方向滑动配合；
    所述固定座为L形结构，其顶部与台面1滑动配合，侧面设置有一伸缩气缸；抬升气缸固定于一气缸座上，伸缩气缸的动力输出端与气缸座固接；固定座上沿连接块滑动方向设置有一滑轨，滑轨上滑动设置有一滑块，所述滑块与气缸座固定配合。
    所述夹持板沿连接块滑动路径扫过的区域向下沉降形成容置槽，夹持板靠近PCB板的一侧相对于容置槽向上突出形成定位板，夹板相对于配合块向垂直滑动方向的两侧延伸设置，夹板向PCB板一侧延伸形成活动压板，所述活动压板与定位板顶部接触时，容置槽支撑活动压板底部。
  10. 根据权利要求8或9所述的一种PCB板夹具，其特征在于：所述台面上表面在设置有第一滑槽和第二滑槽的位置分别设置有下凹的沉降槽，活动夹具与第一滑槽或第二滑槽配合时，夹持板容置于沉降槽中。
PCT/CN2018/101095 2018-08-13 2018-08-17 一种pcb板夹具 WO2020034199A1 (zh)

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