CN213106537U

CN213106537U - Clamping device of circuit board

Info

Publication number: CN213106537U
Application number: CN202022068706.5U
Authority: CN
Inventors: 夏东
Original assignee: Sichuan Ruijiexin Electronic Co ltd
Current assignee: Sichuan Ruijiexin Electronic Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-05-04
Anticipated expiration: 2030-09-18

Abstract

The utility model provides a clamping device of circuit board, including base and workstation, the workstation rotate install in on the base, still including set up in clamping component on the workstation. The clamping assembly comprises an overturning part and two supporting parts, wherein the overturning part is distributed between the two supporting parts. The turnover part is rotatably arranged on the upper side of the workbench, and the supporting part is arranged on the upper end face of the workbench. The supporting part is matched with the overturning part and used for clamping the circuit board. The utility model discloses it is convenient to adjust, can realize the upset of circuit board under the prerequisite of not demolising the circuit board to can carry out the centre gripping location, positioning accuracy is high to the circuit board in four directions.

Description

Clamping device of circuit board

Technical Field

The utility model relates to a circuit board processing technology field particularly, relates to a clamping device of circuit board.

Background

The circuit board has multiple production and processing procedures and high technological requirements. In some of the processes, the circuit board needs to be clamped and positioned so as to facilitate the processing operation. Traditional circuit board clamping device function singleness is meeting need add man-hour to the circuit board two-sided, often need dismantle the circuit board after accomplishing one side processing, the centre gripping of relocating after the upset. This makes the machining efficiency low to easily make the circuit board impaired in the dismouting process repeatedly, influence the processingquality of circuit board.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model aims to provide a clamping device of circuit board, the device adjusts conveniently, can realize the upset of circuit board under the prerequisite of not demolising the circuit board to can carry out the centre gripping location to the circuit board in four directions, positioning accuracy is high.

The embodiment of the utility model discloses a realize through following technical scheme:

the clamping device for the circuit board comprises a base and a workbench, wherein the workbench is rotatably arranged on the base, and the clamping device further comprises a clamping assembly arranged on the workbench. The clamping assembly comprises an overturning part and two supporting parts, wherein the overturning part is distributed between the two supporting parts. The turnover part is rotatably arranged on the upper side of the workbench, and the supporting part is arranged on the upper end face of the workbench. The supporting part is matched with the overturning part and used for clamping the circuit board.

According to a preferred embodiment, the overturning part comprises a cross beam and a first screw rod, an extension block is arranged on the cross beam, and two ends of the extension block are provided with baffle plates. The extension block is provided with a first slotted hole, the extension direction of the first slotted hole is parallel to the axial direction of the cross beam, the first screw penetrates through the baffle and is in threaded connection with the baffle, the first end of the first screw is hinged with a pressing block, and the pressing block is distributed on the inner side of the baffle. Two guide rods are symmetrically arranged on the baffle plate relative to the first screw rod, the two guide rods penetrate through the baffle plate and are connected to the pressing block, and the axes of the two guide rods are parallel to the axis of the first screw rod.

According to a preferred embodiment, two support plates are symmetrically arranged on the workbench, and the end parts of the cross beam penetrate through the support plates and are rotatably connected with the support plates.

According to a preferred embodiment, the supporting part comprises a movable limiting block and a supporting block arranged on the upper end face of the workbench, a second slotted hole is formed in the supporting block, and a support is arranged on the side face, far away from the cross beam, of the supporting block. One end of the movable limiting block is slidably mounted in the second slotted hole. The extending direction of the second slotted hole is vertical to the extending direction of the first slotted hole. And a second screw rod is connected to the support in a threaded manner, penetrates through the support, and one end of the second screw rod extends into the second slot hole and is hinged to the movable limiting block.

According to a preferred embodiment, two fixed limiting blocks are symmetrically arranged on the side surface of the supporting block close to the cross beam. The baffle abuts against the fixed limiting block, so that the lower bottom surface of the first slotted hole and the upper end surface of the supporting block are located on the same horizontal plane.

According to a preferred embodiment, the pressing block is provided with a third slot, and the lower bottom surface of the third slot is on the same plane as the lower bottom surface of the first slot.

According to a preferred embodiment, the center of the lower end surface of the workbench is provided with an installation bulge, and the installation bulge is provided with a positioning rotating shaft. The upper end face of the base is provided with a sleeve seat, and a thrust bearing is arranged in the sleeve seat. The positioning rotating shaft is connected with the sleeve seat in a rotating mode through the thrust bearing.

According to a preferred embodiment, the worktable is provided with an upper positioning hole in a penetrating manner, the base is provided with a lower positioning hole at a position corresponding to the upper positioning hole, and the upper positioning hole and the lower positioning hole which are distributed correspondingly are connected through a positioning pin.

According to a preferred embodiment, the base is rectangular, and bolt holes are formed in four vertex angles of the base.

The utility model discloses technical scheme has following advantage and beneficial effect at least:

the utility model discloses the upset portion and the supporting part cooperation that set up can carry out the centre gripping location to the circuit board in four directions, and positioning accuracy is high, and the centre gripping is firm, and the skew can not take place for the course of working circuit board. And the turnover part can be turned over, so that the circuit board can be turned over without disassembling the circuit board, and the processing of two sides of the circuit board is realized. Simultaneously, the workstation can be for the base gyration, after overturning the circuit board and rotate 180 with the workstation, can make the circuit board get back to the position of initial processing, can continue to carry out further processing on same platform equipment, easy operation, convenient and practical.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic sectional view of the section a-a in fig. 2.

Icon: 1-base, 2-bolt hole, 3-workbench, 4-supporting block, 5-crossbeam, 6-extension block, 7-first slot hole, 8-baffle, 9-second slot hole, 10-pressing block, 11-third slot hole, 12-movable limiting block, 13-second screw rod, 14-bracket, 15-fixed limiting block, 16-guide rod, 17-limiting shaft shoulder, 18-first screw rod, 19-sleeve seat, 20-supporting plate, 21-mounting lug, 22-positioning rotating shaft, 23-thrust bearing, 24-lower positioning hole, 25-upper positioning hole and 26-positioning pin.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as a limitation of the present invention.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, a circuit board clamping device includes a base 1 and a worktable 3, the worktable 3 is rotatably mounted on the base 1, and the circuit board clamping device further includes a clamping assembly disposed on the worktable 3. The clamping assembly comprises an overturning part and two supporting parts, and the overturning part is distributed between the two supporting parts. The turning part is rotatably mounted on the upper side of the workbench 3, and the supporting part is arranged on the upper end face of the workbench 3. The supporting part is matched with the overturning part and used for clamping the circuit board. As shown in fig. 1, in the present embodiment, the base 1 and the table 3 are both rectangular parallelepiped, the longitudinal directions of the base 1 and the table 3 are identical, and the two support portions are symmetrically distributed in the longitudinal direction of the table 3.

As shown in fig. 1 and 3, the turning part includes a cross beam 5 having a cylindrical shape and a first screw 18, an extension block 6 having a rectangular parallelepiped shape is provided on the cross beam 5, and baffle plates 8 having a rectangular parallelepiped shape are provided at both ends of the extension block 6. As shown in fig. 1, the axial direction of the cross member 5 coincides with the width direction of the table 3. Two support plates 20 are symmetrically arranged on the workbench 3 along the width of the workbench, and the end part of the cross beam 5 penetrates through the support plates 20 and is rotatably connected with the support plates. In this embodiment, the ends of the cross member 5 are connected to the brackets 20 by bearings. The extension block 6 is provided with a first slotted hole 7, the extension direction of the first slotted hole 7 is parallel to the axial direction of the cross beam 5, a first screw 18 penetrates through the baffle 8 and is in threaded connection with the baffle 8, the first end of the first screw 18 is hinged with a pressing block 10, and the pressing block 10 is distributed on the inner side of the baffle 8. The first screw 18 is provided with a limiting shaft shoulder 17, and the limiting shaft shoulder 17 is positioned at the outer side of the baffle 8 and used for limiting the screwing depth of the first screw 18 and preventing the guide rod 16 and the first screw 18 from being separated from the baffle 8. Two guide rods 16 are symmetrically arranged on the baffle plate 8 about a first screw 18, the two guide rods 16 penetrate through the baffle plate 8 and are connected to the pressing block 10, and the axes of the two guide rods 16 are parallel to the axis of the first screw 18. In this embodiment, the pressing block 10 is provided with a third slot 11, and a lower bottom surface of the third slot 11 and a lower bottom surface of the first slot 7 are located on the same plane. Specifically, when the circuit board is clamped, one end of the circuit board is inserted into the first slot 7, then the first screw 18 is rotated to make the two pressing blocks 10 opposite to each other approach each other, and two sides of the circuit board adjacent to the first slot 7 are inserted into the third slot 11, and at this time, clamping and positioning of the circuit board in three directions can be achieved.

In this embodiment, the supporting portion includes a movable limiting block 12 and a supporting block 4 disposed on the upper end surface of the worktable 3, the supporting block 4 is provided with a second slot 9, and a bracket 14 is disposed on the side surface of the supporting block 4 away from the beam 5. One end of the movable limiting block 12 is slidably mounted in the second slot 9. The extending direction of the second slot 9 is perpendicular to the extending direction of the first slot 7. The bracket 14 is in threaded connection with a second screw 13, the second screw 13 penetrates through the bracket 14, and one end of the second screw 13 extends into the second slot hole 9 and is hinged to the movable limiting block 12. The second slot 9 is a T-shaped slot, and the shape of one end of the movable limiting block 12 installed in the second slot 9 is matched with the shape of the second slot 9. Specifically, the second screw 13 is rotated to enable the movable limiting block 12 to slide along the extending direction of the second slot 9. In this embodiment, two fixed limiting blocks 15 are symmetrically arranged on the side surface of the supporting block 4 close to the cross beam 5. The baffle 8 abuts against the fixed limiting block 15, so that the lower bottom surface of the first slotted hole 7 and the upper end surface of the supporting block 4 are on the same horizontal plane. Specifically, the staff is with the circuit board centre gripping behind upset portion, rotates upset portion and makes baffle 8 support to lean on to fixed stopper 15, and the one side relative rather than the one side that inserts in first slotted hole 7 of circuit board supports and supports to the up end of supporting shoe 4 this moment, rotates second screw 13 and makes activity stopper 12 support and support to the circuit board, realizes the tight location of clamp in four directions of circuit board this moment for circuit board positioning accuracy is high, and difficult emergence is removed in the course of working, has guaranteed the processingquality of circuit board. Meanwhile, after one surface of the circuit board is processed, the second screw 13 is unscrewed to separate the movable limiting block 12 from the circuit board, and then the turning part is rotated to enable the turning part to form a matching relation with another supporting part.

The central position of the lower end surface of the workbench 3 is provided with a cylindrical mounting bulge 21 in an integrated forming mode, and a positioning rotating shaft 22 is welded on the mounting bulge 21. The upper end surface of the base 1 is welded with a sleeve seat 19, and a thrust bearing 23 is installed in the sleeve seat 19. The positioning shaft 22 is rotatably connected to the sleeve holder 19 by a thrust bearing 23. An upper positioning hole 25 is arranged on the workbench 3 in a penetrating manner, a lower positioning hole 24 is arranged on the base 1 at a position corresponding to the upper positioning hole 25, and the upper positioning hole 25 and the lower positioning hole 24 which are correspondingly distributed are connected through a positioning pin 26. Specifically, when processing, the workbench 3 with the turnover part turned over can be rotated 180 degrees relative to the base 1 according to needs, so that the circuit board after turning over returns to the initial processing position for processing, and if the processing equipment used on the two sides of the circuit board is the same, the processing on the two sides of the circuit board by one equipment can be realized. The equipment investment is reduced, the equipment movement or the clamp movement is avoided, and the efficiency is improved. After the table 3 is rotated, positioning is achieved by the positioning pins 26 penetrating the upper positioning holes 25 and extending into the lower positioning holes 24. In this embodiment, the two lower positioning holes 24 are symmetrically distributed in the longitudinal direction of the base 1, and the two upper positioning holes 25 are symmetrically distributed in the longitudinal direction of the table 3. The oppositely distributed upper positioning hole 25 and the lower positioning hole 24 are coaxial.

As shown in fig. 1, bolt holes 2 are provided at four vertex angles of the base 1. For mounting the base 1 by means of bolts

The utility model discloses a theory of operation: when the circuit board is clamped, one end of the circuit board is inserted into the first slotted hole 7, then the first screw 18 is rotated to enable the two pressing blocks 10 opposite to each other to be close to each other, two sides of the circuit board adjacent to the first slotted hole 7 are inserted into the third slotted hole 11, then the overturning part is rotated to enable the baffle plate 8 to abut against the fixed limiting block 15, one side of the circuit board opposite to one side of the circuit board inserted into the first slotted hole 7 abuts against the upper end face of the supporting block 4, the second screw 13 is rotated to enable the movable limiting block 12 to abut against the circuit board, and clamping and positioning of the circuit board in four directions are achieved at the moment. After the one side of completion circuit board is processed, loosen second screw 13 and make activity stopper 12 break away from the circuit board, then rotate the upset portion make the upset portion with another supporting part form the cooperation relation can, rotate workstation 3 at last and make its rotatory 180 and fix a position with locating pin 26 and can carry out the processing of circuit board second face on same equipment.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A clamping device of circuit board which characterized in that: the clamping device comprises a base (1) and a workbench (3), wherein the workbench (3) is rotatably arranged on the base (1), and the clamping device also comprises a clamping component arranged on the workbench (3);

the clamping assembly comprises a turnover part and two supporting parts, and the turnover part is distributed between the two supporting parts;

the overturning part is rotatably arranged on the upper side of the workbench (3), and the supporting part is arranged on the upper end face of the workbench (3);

the supporting part is matched with the overturning part and used for clamping the circuit board.

2. A circuit board holding apparatus as claimed in claim 1, wherein: the turnover part comprises a cross beam (5) and a first screw (18), an extension block (6) is arranged on the cross beam (5), and baffles (8) are arranged at two ends of the extension block (6);

a first slotted hole (7) is formed in the extending block (6), the extending direction of the first slotted hole (7) is parallel to the axial direction of the cross beam (5), the first screw (18) penetrates through the baffle (8) and is in threaded connection with the baffle, a pressing block (10) is hinged to the first end of the first screw (18), and the pressing block (10) is distributed on the inner side of the baffle (8);

two guide rods (16) are symmetrically arranged on the baffle (8) relative to the first screw (18), the two guide rods (16) penetrate through the baffle (8) and are connected to the pressing block (10), and the axes of the two guide rods (16) are parallel to the axis of the first screw (18).

3. A circuit board holding apparatus as claimed in claim 2, wherein: two support plates (20) are symmetrically arranged on the workbench (3), and the end part of the cross beam (5) penetrates through the support plates (20) and is rotationally connected with the support plates.

4. A circuit board holding apparatus as claimed in claim 2, wherein: the supporting part comprises a movable limiting block (12) and a supporting block (4) arranged on the upper end face of the workbench (3), a second slotted hole (9) is formed in the supporting block (4), and a support (14) is arranged on the side face, far away from the cross beam (5), of the supporting block (4);

one end of the movable limiting block (12) is slidably arranged in the second slotted hole (9);

the extension direction of the second slotted hole (9) is vertical to the extension direction of the first slotted hole (7);

the support (14) is connected with a second screw rod (13) in a threaded mode, the second screw rod (13) penetrates through the support (14), and one end of the second screw rod (13) extends into the second slotted hole (9) and is hinged to the movable limiting block (12).

5. A circuit board holding apparatus as defined in claim 4, wherein: two fixed limiting blocks (15) are symmetrically arranged on the side surface of the supporting block (4) close to the cross beam (5);

the baffle (8) abuts against the fixed limiting block (15), so that the lower bottom surface of the first slotted hole (7) and the upper end surface of the supporting block (4) are located on the same horizontal plane.

6. A circuit board holding apparatus as claimed in claim 5, wherein: and a third slotted hole (11) is formed in the pressing block (10), and the lower bottom surface of the third slotted hole (11) and the lower bottom surface of the first slotted hole (7) are positioned on the same plane.

7. A circuit board holding apparatus as claimed in claim 1, wherein: a mounting bulge (21) is arranged at the center of the lower end face of the workbench (3), and a positioning rotating shaft (22) is arranged on the mounting bulge (21);

a sleeve seat (19) is arranged on the upper end surface of the base (1), and a thrust bearing (23) is arranged in the sleeve seat (19);

the positioning rotating shaft (22) is rotatably connected with the sleeve seat (19) through the thrust bearing (23).

8. A circuit board holding apparatus as claimed in claim 7, wherein: an upper positioning hole (25) penetrates through the workbench (3), a lower positioning hole (24) is arranged at the position, corresponding to the upper positioning hole (25), on the base (1), and the upper positioning hole (25) and the lower positioning hole (24) which are distributed correspondingly are connected through a positioning pin (26).

9. A circuit board holding apparatus as claimed in claim 8, wherein: the base (1) is cuboid, and bolt holes (2) are arranged at four vertex angles of the base (1).