CN220299757U - PCB stacking clamping device - Google Patents
PCB stacking clamping device Download PDFInfo
- Publication number
- CN220299757U CN220299757U CN202321833354.5U CN202321833354U CN220299757U CN 220299757 U CN220299757 U CN 220299757U CN 202321833354 U CN202321833354 U CN 202321833354U CN 220299757 U CN220299757 U CN 220299757U
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- Prior art keywords
- pcb
- supporting plate
- supporting
- screw rod
- obtuse angle
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- 230000002457 bidirectional effect Effects 0.000 claims abstract description 21
- 238000005452 bending Methods 0.000 claims description 27
- 229920001875 Ebonite Polymers 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 7
- 238000009826 distribution Methods 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 4
- 229910000679 solder Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a PCB stacking clamping device, which comprises a supporting plate, wherein corner supporting covers are fixed at the corner positions of the top end of the supporting plate, and screw rod bidirectional pushing structures are arranged at the top ends of the two corner supporting covers in the same X-axis direction; the four guide rods are arranged on the outer walls of the two sides of the supporting plate through sliding supporting pieces, the four guide rods are in symmetrical structures relative to the center point of the supporting plate, and protruding columns are integrally formed on one side of the top end of each guide rod. According to the utility model, by applying pressure at four corners, the PCB can be firmly and stably clamped in the clamping device, more uniform pressure distribution can be realized, and compared with the application of pressure on the upper surface and the lower surface of the PCB, the welding spots on the PCB are prevented from being subjected to additional stress to influence the welding quality and reliability, the PCB is effectively protected, and the welding spots and electric elements on the PCB are not damaged.
Description
Technical Field
The utility model relates to the technical field of PCB stacking, in particular to a PCB stacking clamping device.
Background
The clamping device is used for fixing and keeping the position of a PCB in the processes of processing, coding, printing or stacking and consists of a clamp, clamp clamping jaws, a fixed clamp seat, a clamping mechanism and the like, the clamping device is generally arranged at the tail end of a mechanical arm, the clamp clamping jaws can be adjusted to adapt to the PCBs with different sizes, the clamping device is used for ensuring that the PCBs keep accurate positioning in the whole process and prevent moving or deviating from a preset position through the locking position of the clamping mechanism, and the clamping device for square PCBs disclosed by the authorized bulletin No. CN212910215U comprises a base, a pair of fixed substrates distributed along the vertical direction are symmetrically arranged on the base, and the opposite sides of the pair of fixed substrates are respectively provided with a clamping substrate positioned on the same horizontal plane. A movable plate capable of moving up and down along the fixed substrate is arranged below the clamping substrate, a clamping space for clamping the PCB is limited between the movable plate and the clamping substrate, the PCB is mainly positioned between the movable plate and the clamping substrate in the technical scheme, and the PCB is clamped up and down by the two, namely the upper surface and the lower surface of the PCB are exerted with pressure, at the moment, the PCB is possibly influenced by mechanical stress and deformation, and the pressure in the clamping process can lead to the problems of welding spot fracture, component falling or lead fracture and the like caused by the fact that welding spots on the PCB are subjected to additional stress.
Disclosure of Invention
The utility model aims to provide a PCB stacking clamping device which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a PCB stacking clip holding apparatus comprising:
the corner supporting covers are fixed at the corner positions of the top ends of the supporting plates, and screw rod bidirectional pushing structures are arranged at the top ends of the two corner supporting covers in the same X-axis direction;
the four guide rods are arranged on the outer walls of the two sides of the supporting plate through sliding supporting pieces, the four guide rods are in symmetrical structures relative to the center point of the supporting plate, and convex columns are integrally formed on one side of the top end of each guide rod;
the obtuse angle bending arms are rotatably arranged at corner positions of the top ends of the supporting plates through rotating shafts, workpiece storage areas for placing the PCB are arranged on the top ends of the supporting plates between the four obtuse angle bending arms, and rectangular notch portions for allowing the convex columns to move are arranged at one ends of the surfaces of the obtuse angle bending arms.
Preferably, the bidirectional pushing structure of the screw rod comprises a linear evacuation shell arranged at the top ends of two corner supporting covers in the same X-axis direction and a rotary driving unit arranged on the outer wall of one side of the linear evacuation shell, wherein the bidirectional screw rod is internally arranged on the linear evacuation shell and is mutually connected with the output end of the rotary driving unit, nut pairs are arranged at thread positions at two ends of the surface of the bidirectional screw rod, and the bottom ends of the nut pairs are fixedly connected with one end of a guide rod.
Preferably, one end of the guide rod, which is far away from the center point of the supporting plate, is fixedly provided with a connecting block, and the top end of the connecting block extends to the inside of the linear vacuumizing shell and is fixedly connected with the bottom end of the nut pair.
Preferably, the rotary driving unit is a servo motor arranged on the outer wall of one side of the linear evacuation shell, and the output end of the servo motor is fixedly connected with one end of the bidirectional screw rod through a coupler.
Preferably, the sliding support piece is a convex plate fixed on the outer walls of two sides of the supporting plate and a guide sleeve fixed at the top end of the convex plate, and the guide rod is in sliding connection with the guide sleeve.
Preferably, the obtuse angle bending arm is made of a hard rubber member.
Compared with the prior art, the utility model has the beneficial effects that: this PCB stack sign indicating number clamping device is through being provided with the structure that mutually supports such as obtuse angle bending arm and guide arm, two guide arms of lead screw bidirectional push structure drive homonymy are close to each other or keep away from, because the self-locking function that lead screw bidirectional push structure self possessed, then obtuse angle bending arm, the gyration back angle of pivot can remain invariable, four obtuse angle bending arms can together rotate towards the central point position direction of layer board this moment, four obtuse angle bending arms can realize central location centre gripping's function to the PCB board on layer board top, through exerting pressure in four corners, can ensure that the PCB board obtains firm and stable centre gripping in clamping device, can realize comparatively even pressure distribution, and compare in exerting pressure to the upper and lower face of PCB board, avoid solder joint on the PCB board to receive extra stress and influence welded quality and reliability, effectively protect the PCB board, can not cause the damage to solder joint on the PCB board, electric elements.
Drawings
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is a schematic perspective view of the present utility model;
FIG. 3 is a schematic perspective view of the present utility model;
FIG. 4 is a schematic perspective view of the present utility model;
in the figure: 1. a supporting plate; 2. corner support covers; 3. linearly evacuating the shell; 301. a two-way screw rod; 4. a servo motor; 5. a convex plate; 501. a guide sleeve; 6. a rotating shaft; 7. an obtuse angle bending arm; 701. rectangular notch portions; 8. a guide rod; 801. a convex column; 9. and (5) connecting a block.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, an embodiment of the present utility model is provided: a PCB stacking clamping device can be integrally assembled at the tail end position of a five-axis robot arm or a six-axis robot arm, and is driven by a robot to clamp and stack a PCB, and comprises a supporting plate 1, the PCB to be stacked and clamped is taken out, the PCB is placed at the top end of the supporting plate 1, corner supporting covers 2 are fixed at the corner positions of the top end of the supporting plate 1, and screw rod bidirectional pushing structures are arranged at the top ends of the two corner supporting covers 2 in the same X-axis direction;
the four guide rods 8 are arranged on the outer walls of the two sides of the supporting plate 1 through sliding supporting pieces, the four guide rods 8 are in symmetrical structures relative to the center point of the supporting plate 1, and a convex column 801 is integrally formed on one side of the top end of each guide rod 8;
the obtuse angle bending arms 7 are rotatably arranged at the corner positions of the top ends of the supporting plates 1 through the rotating shafts 6, workpiece storage areas for placing the PCB are arranged at the top ends of the supporting plates 1 among the four obtuse angle bending arms 7, and rectangular notch parts 701 for the convex columns 801 to move are arranged at one end of the surfaces of the obtuse angle bending arms 7;
the two guide rods 8 on the same side are driven to be close to or far away from each other by the screw rod bidirectional pushing structure, and as the convex columns 801 which are inserted into the rectangular notch parts 701 are arranged at the top ends of the guide rods 8, the convex columns 801 can enable the obtuse angle bending arms 7 to rotate by taking the rotating shafts 6 as circle centers through the rectangular notch parts 701 in the moving process of the guide rods 8 and the convex columns 801, and due to the self-locking function of the screw rod bidirectional pushing structure, the angles after the obtuse angle bending arms 7 and the rotating shafts 6 are rotated can be kept constant;
the screw rod bidirectional pushing structure comprises a linear vacuumizing shell 3 arranged at the top ends of two corner supporting covers 2 in the same X-axis direction and a rotary driving unit arranged on the outer wall of one side of the linear vacuumizing shell 3, wherein a bidirectional screw rod 301 which is mutually connected with the output end of the rotary driving unit is arranged in the linear vacuumizing shell 3, the rotary driving unit is a servo motor 4 arranged on the outer wall of one side of the linear vacuumizing shell 3, the output end of the servo motor 4 is fixedly connected with one end of the bidirectional screw rod 301 through a coupler, a worker starts the two servo motors 4 to synchronously work, a motor controller or a PLC control panel can be additionally arranged to control the servo motors 4 to work, at the moment, the motor controller or the PLC control panel can control the motor to work according to the set direction, speed, angle and response time, at the moment, four obtuse angle bending arms 7 can simultaneously rotate towards the direction of the central point of the supporting plate 1, and then the four obtuse angle bending arms 7 can realize the function of center positioning and clamping on the PCB at the top end of the supporting plate 1;
nut pairs are arranged at the screw threads at the two ends of the surface of the bidirectional screw rod 301, and the bottom ends of the nut pairs are fixedly connected with one end of the guide rod 8;
a connecting block 9 is fixed at one end of the guide rod 8 far away from the center point of the supporting plate 1, and the top end of the connecting block 9 extends into the linear vacuumizing shell 3 and is fixedly connected with the bottom end of the nut pair;
the sliding support piece is a convex plate 5 fixed on the outer walls of the two sides of the supporting plate 1 and a guide sleeve 501 fixed at the top end of the convex plate 5, a guide rod 8 is in sliding connection with the guide sleeve 501, the bidirectional screw rod 301 is driven to rotate by the servo motor 4, the bidirectional screw rod 301 drives the connecting block 9, the guide rod 8 and the convex column 801 to move together by a nut pair, and in the process, the guide sleeve 501 improves the sliding stability of the guide rod 8 and ensures the linear movement precision of the guide rod 8 and the convex column 801;
the obtuse angle bending arm 7 is made of a hard rubber member, and the obtuse angle bending arm 7 made of the hard rubber member can reduce clamping damage to a circuit board;
when the four obtuse bending arms 7 apply pressure to the corners of the PCB, the four corners are the areas of the PCB that are most susceptible to damage or deformation, and by applying pressure at these corners, additional support and protection can be provided, reducing the risk of flexing or breakage of the edge areas.
When the device is used, first the device can be integrally assembled in the tail end position department of five robot arms or six robot arms, the device centre gripping and pile up neatly PCB board are driven by the robot, the staff takes out the PCB board of waiting pile up neatly, the centre gripping processing, make the PCB board place in the top of layer board 1, then the staff opens two servo motor 4 synchronous work, then drive two guide arms 8 of homonymy through the two-way propelling movement structure of lead screw in the straight line evacuation shell 3 and be close to each other or keep away from, install the projection 801 with rectangular notch portion 701 cartridge because of the top of guide arm 8, then guide arm 8, projection 801 is in the in-process of removal, the projection 801 accessible rectangle notch portion 701 makes obtuse angle bending arm 7 take place to rotate as the centre of a circle by pivot 6, four obtuse angle bending arm 7 can together rotate towards the central point position direction of layer board 1 at this moment, then four obtuse angle bending arm 7 can realize the centre positioning centre gripping's function to the PCB board on layer board 1 top, four corners of PCB board exert force promptly, through exerting pressure in four corners department, can ensure that the board obtains in clamping device and the flange stress can be realized evenly distributed on the PCB board or the PCB board is comparatively stable in the stability of the welding position or the stability of the PCB board, prevent that the PCB from deviating from the stability and the welding position from the stability is compared with the stability of the PCB board, the stability of the position is realized, and the stability of the PCB is realized, and the stability is protected on the PCB and the position is protected.
Claims (6)
1. A PCB stacking clip holding apparatus, comprising:
the two-way screw rod pushing structure is characterized by comprising a supporting plate (1), wherein corner supporting covers (2) are fixed at the corner positions of the top end of the supporting plate (1), and screw rod two-way pushing structures are arranged at the top ends of the two corner supporting covers (2) in the same X-axis direction;
the four guide rods (8) are arranged on the outer walls of the two sides of the supporting plate (1) through sliding supporting pieces, the four guide rods (8) are in symmetrical structures relative to the center point of the supporting plate (1), and convex columns (801) are integrally formed on one side of the top end of each guide rod (8);
the PCB comprises obtuse angle bending arms (7), wherein the obtuse angle bending arms (7) are rotatably arranged at corner positions at the top ends of supporting plates (1) through rotating shafts (6), the top ends of the supporting plates (1) between the four obtuse angle bending arms (7) are provided with workpiece storage areas for placing the PCB, and one ends of the surfaces of the obtuse angle bending arms (7) are provided with rectangular notch parts (701) for allowing protruding columns (801) to move.
2. A PCB stacking clip holding apparatus as defined in claim 1, wherein: the screw rod bidirectional pushing structure comprises a linear vacuumizing shell (3) arranged at the top ends of two corner supporting covers (2) in the same X-axis direction and a rotary driving unit arranged on the outer wall of one side of the linear vacuumizing shell (3), a bidirectional screw rod (301) which is mutually connected with the output end of the rotary driving unit is arranged in the linear vacuumizing shell (3), nut pairs are arranged at thread positions at two ends of the surface of the bidirectional screw rod (301), and the bottom ends of the nut pairs are fixedly connected with one end of a guide rod (8).
3. A PCB stacking clip holding apparatus as defined in claim 2 wherein: one end of the guide rod (8) far away from the center point of the supporting plate (1) is fixedly provided with a connecting block (9), and the top end of the connecting block (9) extends to the inside of the linear vacuumizing shell (3) and is fixedly connected with the bottom end of the nut pair.
4. A PCB stacking clip holding apparatus as defined in claim 2 wherein: the rotary driving unit is a servo motor (4) arranged on the outer wall of one side of the linear vacuumizing shell (3), and the output end of the servo motor (4) is fixedly connected with one end of the bidirectional screw rod (301) through a coupler.
5. A PCB stacking clip holding apparatus as defined in claim 1, wherein: the sliding support piece is a convex plate (5) fixed on the outer walls of two sides of the supporting plate (1), a guide sleeve (501) is fixed at the top end of the convex plate (5), and the guide rod (8) is in sliding connection with the guide sleeve (501).
6. A PCB stacking clip holding apparatus as defined in claim 1, wherein: the obtuse angle bending arm (7) is made of a hard rubber member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321833354.5U CN220299757U (en) | 2023-07-13 | 2023-07-13 | PCB stacking clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321833354.5U CN220299757U (en) | 2023-07-13 | 2023-07-13 | PCB stacking clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220299757U true CN220299757U (en) | 2024-01-05 |
Family
ID=89348159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321833354.5U Active CN220299757U (en) | 2023-07-13 | 2023-07-13 | PCB stacking clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220299757U (en) |
-
2023
- 2023-07-13 CN CN202321833354.5U patent/CN220299757U/en active Active
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