Positioning device for PCB processing

Abstract

The utility model discloses a positioning device for PCB (printed circuit board) processing, which comprises a base, two shells are slidably mounted on the base, a bidirectional driving mechanism is mounted on the base and used for driving the two shells to move reversely at the same time, a supporting plate is slidably mounted on the shells, and the supporting plate is used for driving the two shells to move reversely at the same time. The shell is provided with a linear driving mechanism for supporting the plate; during use, after the two shells are driven by the bidirectional driving mechanism to move reversely at the same time, the distance between the two shells can be adjusted, and then the supporting plate is driven by the linear driving mechanism to move, so that the position of the positioning pin can be adjusted to adapt to the positions of positioning holes in different PCBs (Printed Circuit Board); after the two positioning holes in the PCB are arranged on the corresponding positioning pins in a sleeving mode, the connecting base is rotated on the push rod of the air cylinder so that the pressing ring can be located over the positioning pins, then the air cylinder is started, the pressing ring can be arranged on the positioning pins in a sleeving mode, the PCB is pressed on the supporting plate, and operation is easy and convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to PCB board processing technical field, and specifically relates to a positioning device for PCB board processing. BACKGROUND

[0002] PCB is printed circuit board, also called printed wiring board, is important electronic component, is the support body of electronic components, is the carrier of electronic components electrical connection, and at present, at least two positioning holes are arranged on most PCB boards near the edge to facilitate positioning of the PCB board during production and installation of the PCB board.

[0003] Through the search, the patent with the announcement number CN220023199U discloses a positioning device for PCB board processing, which is accurate in positioning, high in automation, can be applied to PCB boards of different sizes and PCB boards of different layers, is high in universality, the first positioning column and the second positioning column can be designed to move up and down and left and right, and the efficiency of PCB board processing is greatly improved.

[0004] However, in the specific use process, since the first clamping assembly and the second clamping assembly for fixing and clamping the PCB board are fixedly installed at the two sides in the support table respectively, they cannot move along the track, so they can only fix and clamp the PCB boards within a certain size range, and when in use, due to the blocking of the clamping pieces in the vertical direction, the PCB board needs to be moved to between the two clamping pieces in the horizontal direction first, and then the positioning holes on the PCB board can be sleeved on the corresponding positioning columns, so that the operation is more troublesome and needs to be improved. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a positioning device for PCB board processing to solve the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme.

[0007] A positioning device for PCB board processing, comprising a base, two housings are slidably installed on the base, a bidirectional driving mechanism is installed on the base, the bidirectional driving mechanism is used for driving the two housings to move in opposite directions simultaneously, a supporting plate is slidably installed on the housing, a linear driving mechanism for the supporting plate is installed on the housing, a positioning pin is fixedly installed on the top of the supporting plate, a gas cylinder is fixedly installed on the bottom of the supporting plate, a connecting seat is rotatably installed on the push rod end of the gas cylinder through a bearing seat, a compression ring is fixedly connected to the outer wall of the connecting seat, and the inner diameter of the compression ring is greater than the outer diameter of the positioning pin.

[0008] As a further scheme of the utility model: the top of the supporting plate is fixedly provided with an arc-shaped vertical plate, a guide roller is fixedly connected to the outer wall of the connecting seat away from the compression ring, an arc-shaped vertical plate is provided with a guide groove matched with the guide roller, the guide roller passes through the guide groove, and the guide groove is used for driving the connecting seat, the compression ring and the guide roller to rotate relative to the cylinder during the up-down movement of the connecting seat.

[0009] As a further scheme of the utility model: the guide groove comprises a vertical groove and an inclined groove, and the bottom end of the inclined groove is communicated with the top end of the vertical groove.

[0010] As a further scheme of the utility model: the bidirectional driving mechanism comprises a bidirectional screw rod rotatably mounted in the base, two nuts are matched and sleeved on the outer wall of the bidirectional screw rod, the nuts are fixedly connected with the corresponding housings, a first servo motor is fixedly installed at the corresponding position of the outer wall of the base and the bidirectional screw rod, and the output shaft of the first servo motor is fixedly connected with one end of the bidirectional screw rod.

[0011] As a further scheme of the utility model: two guide rails are fixedly connected to the two sides of the bidirectional screw rod in the base in a symmetrical mode, two sliding blocks are slidably sleeved on the guide rails, and the sliding blocks are fixedly connected with the corresponding housings.

[0012] As a further scheme of the utility model: a silk block is slidably installed in the housing, the supporting plate is fixedly installed on the corresponding silk block, a second screw rod is rotatably installed in the housing, and the silk block is matched and sleeved on the second screw rod through a threaded hole.

[0013] As a further scheme of the utility model: a second servo motor is fixedly installed at one end of the housing, and the output shaft of the second servo motor is fixedly connected with one end of the second screw rod.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] In use, the interval between the two housings can be adjusted through the bidirectional driving mechanism, then the supporting plate is driven to move through the linear driving mechanism, the position of the positioning pin can be adjusted, the positions of the positioning holes on the PCB are matched, the two positioning holes on the PCB are sleeved on the corresponding positioning pins, the connecting seat is rotated on the push rod of the cylinder, the compression ring is located above the positioning pin, the cylinder is started, the compression ring is sleeved on the positioning pin, and the PCB is pressed on the supporting plate, so that the operation is simple and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structural schematic view of a positioning device for PCB processing.

[0017] Fig. 2 It is a kind of positioning device for PCB processing bearing seat structure schematic view.

[0018] Fig. 3 It is a kind of positioning device for PCB processing guide slot structure schematic view.

[0019] Wherein, base 1, guide rail 2, sliding block 3, two-way screw 4, nut 5, first servo motor 6, shell 7, second screw 8, second servo motor 9, silk block 10, supporting plate 11, positioning pin 12, air cylinder 13, bearing seat 14, connecting seat 15, compression ring 16, guide roller 17, arc vertical plate 18, vertical groove 19, inclined groove 20. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Please refer to Figs. 1-3 In the embodiments of the present application, a positioning device for PCB processing includes a base 1, two shells 7 are slidably installed on the base 1, a bidirectional driving mechanism is installed on the base 1, the bidirectional driving mechanism is used to drive the two shells 7 to move in opposite directions at the same time, a supporting plate 11 is slidably installed on the shell 7, a linear driving mechanism for the supporting plate 11 is installed on the shell 7, a positioning pin 12 is fixedly installed on the top of the supporting plate 11, an air cylinder 13 is fixedly installed on the bottom of the supporting plate 11, a connecting seat 15 is rotatably installed on the push rod end of the air cylinder 13 through a bearing seat 14, a compression ring 16 is fixedly connected to the outer wall of the connecting seat 15, and the inner diameter of the compression ring 16 is greater than the outer diameter of the positioning pin 12.

[0022] The above scheme is adopted, when in use, the spacing between the two shells 7 can be adjusted after the two shells 7 are driven to move in opposite directions at the same time by the bidirectional driving mechanism, then the supporting plate 11 is driven to move by the linear driving mechanism, the position of the positioning pin 12 can be adjusted, to adapt to the positions of the positioning holes on different PCBs, after the two positioning holes on the PCB are sleeved on the corresponding positioning pins 12, the connecting seat 15 is rotated on the push rod of the air cylinder 13, so that the compression ring 16 is located directly above the positioning pin 12, then the air cylinder 13 is started, the compression ring 16 can be sleeved on the positioning pin 12, and the PCB can be pressed tightly on the supporting plate 11, which is simple and convenient to operate.

[0023] Specifically combinedFigs. 1-3 In one embodiment of the utility model, the top of the supporting plate 11 is fixedly provided with an arc-shaped vertical plate 18, the connecting base 15 is fixedly connected with a guide roller 17 away from the outer wall of the compression ring 16, the arc-shaped vertical plate 18 is provided with a guide groove matched with the guide roller 17, the guide roller 17 passes through the guide groove, and the guide groove is used to drive the connecting base 15, the compression ring 16 and the guide roller 17 to rotate relative to the cylinder 13 during the up-and-down movement of the connecting base 15.

[0024] When the cylinder 13 pushes the connecting base 15 to move upwards, the guide roller 17 moves upwards along the vertical groove 19 to the inclined groove 20 first, at this time, the compression ring 16 moves above the positioning pin 12, then the guide roller 17 moves along the inclined groove 20, drives the connecting base 15 to rotate on the push rod of the cylinder 13, and drives the compression ring 16 to move to the outside of the positioning pin 12, at this time, the PCB board can be moved upwards to make the positioning hole of the PCB board separate from the positioning pin, after the next PCB board is installed, the cylinder 13 is started to drive the connecting base 15 to move downwards, the guide roller 17 can move along the inclined groove 20 to the vertical groove 19 and continue to move downwards along the vertical groove 19, so that the compression ring 16 is reset to be directly above the positioning pin 12 and is pressed downwards on the PCB board, and the use is more convenient.

[0025] Specifically combined Fig. 1 In one embodiment of the utility model, the bidirectional driving mechanism comprises a bidirectional screw rod 4 rotatably installed in the base 1, two nuts 5 are sleeved on the outer wall of the bidirectional screw rod 4 in a matched mode, the nuts 5 are fixedly connected with corresponding housings 7, a first servo motor 6 is fixedly installed at the corresponding position of the outer wall of the base 1 and the bidirectional screw rod 4, and the output shaft of the first servo motor 6 is fixedly connected with one end of the bidirectional screw rod 4.

[0026] The first servo motor 6 is started to drive the bidirectional screw rod 4 to rotate, so that the bidirectional screw rod 4 and the two nuts 5 are matched to drive the two housings 7 to move in opposite directions simultaneously.

[0027] Specifically combined Fig. 1 In one embodiment of the utility model, two guide rails 2 are fixedly connected on the two sides of the bidirectional screw rod 4 in the base 1 in a symmetrical mode, two sliding blocks 3 are sleeved on the guide rails 2 in a slidable mode, and the sliding blocks 3 are fixedly connected with corresponding housings 7.

[0028] Through the cooperation of the guide rail 2 and the sliding block 3, the stability of the movement of the two housings 7 can be effectively improved.

[0029] Specifically combined Fig. 1 And Fig. 2In an embodiment of the utility model, the shell 7 can be slidably installed with silk block 10, the supporting plate 11 is fixedly installed on corresponding silk block 10, the shell 7 is rotatably installed with second screw 8, silk block 10 is matched with sleeve joint on second screw 8 through screw hole, one end of shell 7 is fixedly installed with second servo motor 9, and the output shaft of second servo motor 9 is fixedly connected with one end of second screw 8.

[0030] By starting second servo motor 9 drive second screw 8 rotation, can use the thread cooperation of second screw 8 and silk block 10 drive silk block 10 moves in shell 7, to adjust the position of positioning pin 12.

[0031] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A positioning device for PCB processing, characterized in that: The utility model provides a kind of double-sided automatic positioning device, including base (1), two housings (7) are slidably mounted on the base (1), bidirectional drive mechanism is installed on the base (1), the bidirectional drive mechanism is used to drive two housings (7) simultaneously reverse movement, support plate (11) is slidably mounted on the housing (7), linear drive mechanism for support plate (11) is installed on the housing (7), the top of support plate (11) is fixedly installed with positioning pin (12), the bottom of support plate (11) is fixedly installed with air cylinder (13), the push rod end of air cylinder (13) is rotatably installed with connecting seat (15) by bearing seat (14), the outer wall of connecting seat (15) is fixedly connected with compression ring (16), the inner diameter of compression ring (16) is greater than the outer diameter of positioning pin (12).

2. The positioning device for processing PCB according to claim 1, characterized in that: The top of support plate (11) is fixedly installed with arc-shaped vertical plate (18), the outer wall of connecting seat (15) is fixedly connected with guide roller (17) away from compression ring (16), arc-shaped vertical plate (18) is provided with guide groove matched with guide roller (17), guide roller (17) passes through guide groove, guide groove is used to drive connecting seat (15), compression ring (16) and guide roller (17) relative rotation with air cylinder (13) during the process of moving up and down on connecting seat (15).

3. The positioning device for processing a PCB board according to claim 2, wherein: The guide groove includes vertical groove (19) and inclined groove (20) arranged through arc-shaped vertical plate (18), the bottom end of inclined groove (20) is communicated with the top end of vertical groove (19).

4. The positioning device for processing a PCB board according to claim 1, wherein: The bidirectional drive mechanism includes bidirectional screw (4) rotatably installed in base (1), the outer wall of bidirectional screw (4) is fitted with two nuts (5), the nut (5) is fixedly connected with the corresponding housing (7), the outer wall of base (1) is fixedly installed with first servo motor (6) at the corresponding place of bidirectional screw (4), the output shaft of first servo motor (6) is fixedly connected with one end of bidirectional screw (4).

5. The positioning device for processing a PCB board according to claim 1, wherein: Two guide rails (2) are fixedly connected symmetrically in base (1) on both sides of bidirectional screw (4), two sliding blocks (3) are slidably sleeved on the guide rail (2), and the sliding block (3) is fixedly connected with the corresponding housing (7).

6. The positioning device for processing a PCB board according to claim 1, wherein: The housing (7) slidably installs a silk block (10), the support plate (11) is fixedly installed on the corresponding silk block (10), and the housing (7) rotatably installs a second screw (8), and the silk block (10) is fitted and sleeved on the second screw (8) through a threaded hole.

7. The positioning device for processing a PCB board according to claim 6, wherein: One end of the housing (7) is fixedly installed with a second servo motor (9), and the output shaft of the second servo motor (9) is fixedly connected with one end of the second screw (8).

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