PCB clamping device

Abstract

The utility model provides a PCB clamping device, and relates to the technical field of PCB clamping, the PCB clamping device comprises a driving mechanism, the driving mechanism is slidably connected with two clamping mechanisms, each clamping mechanism comprises a connecting piece connected with the driving mechanism, the connecting piece is connected with a clamping plate, the two sides of the bottom of each clamping plate are fixedly connected with bottom plates, and the bottom plates are fixedly connected with the driving mechanism. The outer surfaces of the two bottom plates are both sleeved with protective sleeves, the two bottom plates are both provided with second bolts, and the bottom plates are connected with protective rollers through the second bolts. According to the application, through the arrangement of the protective sleeve and the protective roller, isolation between the PCB and the clamping plate and between the PCB and the bottom plate is realized, rigid contact between the clamping plate and the PCB and between the bottom plate and the PCB in the use process is reduced, and damage to the PCB is further reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to PCB board clamping technical field, specifically, relate to a kind of PCB board clamping device. BACKGROUND

[0002] In electronic manufacturing industry, the clamping and conveying of PCB board (printed circuit board) is a crucial link. As the basic component of electronic equipment, the quality of PCB board directly affects the performance and reliability of the final product, however, in the traditional PCB board clamping device, since the jaw directly contacts with PCB board, unnecessary damage to PCB board is often caused during clamping and conveying, which not only reduces the product pass rate, but also increases production cost and maintenance difficulty. Therefore, we improve it and propose a kind of PCB board clamping device. SUMMARY

[0003] The utility model aims at: the problem that jaw directly contacts with PCB board and is easy to cause damage to PCB board.

[0004] In order to realize the above-mentioned utility model purposes, the utility model provides a kind of PCB board clamping device to improve the above-mentioned problems.

[0005] The application is as follows:

[0006] A kind of PCB board clamping device, including drive mechanism, two clamping mechanisms are slidably connected on the drive mechanism, the clamping mechanism includes connecting piece connected with drive mechanism, the connecting piece is connected with clamping plate, the bottom of the clamping plate is fixedly connected with bottom plate on both sides, the outer surface of two bottom plates is all covered with protective sleeve, second bolt is arranged on two bottom plates, and bottom plate is connected with protection roller by second bolt.

[0007] As the preferred technical scheme of the application, the drive mechanism includes support plate connected with connecting piece, one side of the support plate is provided with two mounting seats, a lead screw is connected between the two mounting seats through a bearing, and a motor is installed on one of the mounting seats.

[0008] As the preferred technical scheme of the application, the support plate is fixedly provided with a mounting plate, and the mounting plate is provided with a plurality of mounting holes.

[0009] As the preferred technical scheme of the application, the connecting piece includes two connecting plates located on both sides of the support plate, a plurality of first bolts are connected between the two connecting plates, a plurality of rollers are sleeved on the outer surfaces of the first bolts, and the rollers are slidably connected with the outer surfaces of the support plate.

[0010] The side of one of the connecting plates is provided with a transmission block which is screwed on the outer surface of the screw rod.

[0011] The side of the other connecting plate is provided with a pneumatic cylinder, the piston rod of which is connected with an L-shaped plate, and the L-shaped plate is connected with a pressing member.

[0012] The pressing member comprises a support seat fixed on one side of the limiting block, a connecting rod is connected on the support seat, the bottom end of the connecting rod is fixedly connected with a connecting pipe, the connecting pipe is provided with a third bolt, and the connecting pipe is connected with a pressing wheel through the third bolt at both ends.

[0013] The outer surface of the connecting rod is fixedly sleeved with a limiting block, and the side of the limiting block is slidably connected with the side of the L-shaped plate.

[0014] The end of the third bolt, the second bolt and the first bolt is provided with a nut.

[0015] The outer surface of the connecting rod is sleeved with a spring, and the spring is located between the support seat and the limiting block.

[0016] Compared with the prior art, the PCB board clamping device has the following beneficial effects:

[0017] In the scheme of the present application:

[0018] In order to solve the problem that the existing technology directly contacts the PCB board with the clamping jaw, which is easy to cause damage to the PCB board, the protective sleeve and the protective roller are arranged to realize the isolation between the PCB board and the clamping plate and the bottom plate, reduce the rigid contact between the clamping plate and the bottom plate and the PCB board in the use process, and further reduce the damage to the PCB. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The PCB board clamping device provided by the present application is shown in the structure diagram;

[0020] Figure 2 The PCB board clamping device provided by the present application is shown in the structure diagram;

[0021] Figure 3 The PCB board clamping device provided by the present application is shown in the structure diagram;

[0022] Figure 4 The structure diagram of the pneumatic cylinder of the PCB board clamping device provided by the present application is shown.

[0023] Indicated in the drawing:

[0024] 1, drive mechanism; 101, support plate; 102, mounting seat; 103, motor; 104, screw; 105, mounting plate; 2, connecting plate; 201, first bolt; 202, roller; 203, transmission block; 204, clamping plate; 205, bottom plate; 206, protective sleeve; 207, second bolt; 208, protective roller; 3, air cylinder; 301, L-shaped plate; 302, support seat; 303, connecting rod; 304, limiting block; 305, spring; 306, connecting pipe; 307, third bolt; 308, pressure roller. DETAILED DESCRIPTION

[0025] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor shall belong to the scope of protection of the present application.

[0026] As described in the background, in the conventional PCB clamping device, since the clamping jaw directly contacts with the PCB, unnecessary damage to the PCB often occurs during clamping and conveying, which not only reduces the product qualification rate, but also increases the production cost and maintenance difficulty.

[0027] In order to solve this technical problem, the present application provides a PCB clamping device.

[0028] Specifically, please refer to Figures 1-4 , the PCB clamping device specifically comprises:

[0029] The drive mechanism 1 is slidably connected with two clamping mechanisms, the clamping mechanism comprises a connecting piece connected with the drive mechanism 1, the connecting piece is connected with a clamping plate 204, the bottom of the clamping plate 204 is fixedly connected with two bottom plates 205, the outer surfaces of the two bottom plates 205 are sleeved with protective sleeves 206, the two bottom plates 205 are provided with second bolts 207, and the bottom plates 205 are connected with protective rollers 208 through the second bolts 207.

[0030] The PCB clamping device provided by the present application realizes the isolation between the PCB and the clamping plate 204 and the bottom plate 205 through the protective sleeve 206 and the protective roller 208, reduces the rigid contact between the clamping plate 204 and the bottom plate 205 and the PCB during use, and further reduces the damage to the PCB.

[0031] In order to enable personnel in the technical field to better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings.

[0032] It should be noted that the embodiments in the present application and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0033] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0034] Embodiment 1, please refer to Figures 1-4 A PCB clamping device, comprising a driving mechanism 1, two clamping mechanisms are slidably connected on the driving mechanism 1, the clamping mechanism comprises a connecting piece connected with the driving mechanism 1, the connecting piece is connected with a clamping plate 204, the bottom of the clamping plate 204 is fixedly connected with two bottom plates 205, the outer surfaces of the two bottom plates 205 are sleeved with protective sleeves 206, the two bottom plates 205 are provided with second bolts 207, and the bottom plates 205 are connected with protective rollers 208 through the second bolts 207; the protective sleeves 206 and the protective rollers 208 are arranged, the isolation between the PCB and the clamping plate 204 and the bottom plate 205 is realized, the rigid contact between the clamping plate 204 and the bottom plate 205 and the PCB in the use process is reduced, and the damage of the PCB is reduced.

[0035] Further, as shown in Figures 1-4 The driving mechanism 1 comprises a support plate 101 connected with the connecting piece, one side of the support plate 101 is provided with two mounting seats 102, the two mounting seats 102 are connected with a lead screw 104 through a bearing, one of the mounting seats 102 is provided with a motor 103, the output shaft of the motor 103 is fixedly connected with one end of the lead screw 104, the mounting seat 102 can support the motor 103 and the lead screw 104, and the motor 103 can drive the lead screw 104 to rotate.

[0036] Further, as shown in Figure 1 The support plate 101 is fixedly provided with a mounting plate 105, a plurality of mounting holes are arranged on the mounting plate 105, the mounting holes can be used to mount the mounting plate 105 on a mechanical hand or a linear module, the movement of the present application is realized, and the carrying of the PCB is completed.

[0037] Embodiment 2, the PCB clamping device provided in embodiment 1 is further optimized, specifically, as shown in Figure 3As shown, the connecting piece includes two connecting plates 2 located on both sides of the support plate 101, and a plurality of first bolts 201 are connected between the two connecting plates 2. The outer surface of the first bolt 201 is sleeved with a roller 202, and the roller 202 is in sliding connection with the outer surface of the support plate 101. One of the connecting plates 2 is fixedly connected with the top end of the clamping plate 204. The arrangement of the roller 202 makes the movement of the connecting plate 2 more stable.

[0038] Further, as shown in Figure 3 , the side surface of one of the connecting plates 2 is provided with a transmission block 203, which is threadedly connected to the outer surface of the lead screw 104. During rotation of the lead screw 104, the corresponding connecting plate 2 can be moved through the transmission block 203, thereby moving the clamping plate 204.

[0039] In embodiment 3, the PCB clamping device provided in embodiment 1 or 2 is further optimized, specifically, as shown in Figure 3 and Figure 4 , the side surface of the other connecting plate 2 is provided with a pneumatic cylinder 3, the piston rod of which is connected with an L-shaped plate 301, and the L-shaped plate 301 is connected with a pressing piece. The pneumatic cylinder 3 can drive the pressing piece to move up and down through the L-shaped plate 301, so as to press and fix the PCB during the carrying process.

[0040] Further, as shown in Figure 3 and Figure 4 , the pressing piece includes a support seat 302 fixedly installed on one side of a limiting block 304, and a connecting rod 303 is connected through the support seat 302. The bottom end of the connecting rod 303 is fixedly connected with a connecting pipe 306, and the connecting pipe 306 is provided with a third bolt 307. The two ends of the connecting pipe 306 are connected with a pressing wheel 308 through the third bolt 307. The protective sleeve 206, the pressing wheel 308 and the protective roller 208 can be made of rubber, so as to protect the PCB during use.

[0041] Further, as shown in Figure 3 and Figure 4 , the outer surface of the connecting rod 303 is fixedly sleeved with a limiting block 304, and the side surface of the limiting block 304 is in sliding connection with the side surface of the L-shaped plate 301. The limiting block 304 and the L-shaped plate 301 limit each other, so that the limiting block 304 cannot rotate, thereby avoiding the rotation of the connecting rod 303 causing the pressing wheel 308 to be deviated.

[0042] Further, the end of the third bolt 307, the second bolt 207 and the first bolt 201 is provided with a nut, and the pressing wheel 308 and the protection roller 208 can be replaced after the nut is unscrewed, and the protective sleeve 206 is directly sleeved on the bottom plate 205, when the protective sleeve 206 is replaced, the original protective sleeve 206 is cut off by using a cutter, and the new protective sleeve 206 is directly sleeved on the outer surface of the bottom plate 205, if necessary, the bottom plate 205 and the protective sleeve 206 can be supplemented and fixed by dripping glue.

[0043] Further, as shown in Figure 3 and Figure 4 The outer surface of the connecting rod 303 is sleeved with a spring 305, and the spring 305 is located between the supporting seat 302 and the limiting block 304, and the spring 305 can buffer the damage of the pressing wheel 308 contacting the PCB, and further reduce the impact force on the circuit board.

[0044] The use process of the PCB clamping device is as follows:

[0045] For the convenience of understanding, A is used to represent the PCB in the application, and is marked in the figure, the motor 103 drives the two clamping plates 204 to approach each other through the screw rod 104, so that the two clamping plates 204 drive the protection roller 208 to clamp the PCB, and the bottom of the PCB is supported by the protection roller 208, and the cylinder 3 drives the connecting rod 303, the connecting pipe 306 and the pressing wheel 308 and other components to descend through the L-shaped plate 301, so that the pressing wheel 308 presses the top of the PCB, to realize further fixation of the PCB, when the PCB moves to the corresponding position, the cylinder 3 drives the pressing wheel 308 to rise, and the motor 103 drives the screw rod 104 to rotate reversely, so that the two clamping plates 204 are away from each other, and the PCB can be released.

[0046] In the utility model, unless another definite provision and limitation, the terms "installation", "connection", "connection", "fixation" and the like terms should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integral; can be mechanical connection, also can be electric connection or each other can communicate; can be directly connected, also can be indirectly connected through intermediate medium, can be two elements inside the communication or two element interaction relationship, unless another definite limitation. For ordinary skilled in the art, the above-mentioned terms can be understood according to the specific meaning of the utility model.

[0047] Obviously, the above-described embodiments are only a part of the embodiments of the present application, rather than all the embodiments, and the preferred embodiments of the present application are given in the drawings, but do not limit the patent scope of the present application. The present application can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Although the present application 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 specific embodiments, or equivalently replace some of the technical features. Any equivalent structure made by using the content of the present application specification and drawings, directly or indirectly used in other related technical fields, is also within the patent protection scope of the present application.

Claims

1. A PCB clamping device, characterized by, The utility model provides a kind of double-sided clamping mechanism, including driving mechanism (1), two clamping mechanisms are slidably connected on the driving mechanism (1), the clamping mechanism includes the connecting piece connected with driving mechanism (1), the connecting piece is connected with clamping plate (204), the bottom of clamping plate (204) is fixedly connected with bottom plate (205) on both sides, the outer surface of two bottom plates (205) is sleeved with protective sleeve (206), second bolt (207) is arranged on two bottom plates (205), and bottom plate (205) is connected with protective roller (208) by second bolt (207).

2. The PCB clamping device of claim 1, wherein, The driving mechanism (1) includes a support plate (101) connected with the connecting piece, one side of the support plate (101) is provided with two mounting seats (102), a screw rod (104) is connected between the two mounting seats (102) through a bearing, and one of the mounting seats (102) is provided with a motor (103), and the output shaft of the motor (103) is fixedly connected with one end of the screw rod (104).

3. The PCB clamping device of claim 2, wherein, The support plate (101) is fixedly provided with a mounting plate (105), and the mounting plate (105) is provided with a plurality of mounting holes.

4. The PCB clamping device of claim 3, wherein, The connecting piece includes two connecting plates (2) located on both sides of the support plate (101), a plurality of first bolts (201) are connected between the two connecting plates (2), a roller (202) is sleeved on the outer surface of the first bolt (201), the roller (202) is slidably connected with the outer surface of the support plate (101), and one of the connecting plates (2) is fixedly connected with the top end of the clamping plate (204).

5. The PCB clamping device of claim 4, wherein, One side of one of the connecting plates (2) is provided with a transmission block (203), and the transmission block (203) is threadedly connected with the outer surface of the screw rod (104).

6. The PCB clamping device of claim 5, wherein, One side of the other connecting plate (2) is provided with a pneumatic cylinder (3), the piston rod of the pneumatic cylinder (3) is connected with an L-shaped plate (301), and the L-shaped plate (301) is connected with a pressing piece.

7. The PCB clamping device of claim 6, wherein, The pressing piece includes a support seat (302) fixedly installed on one side of a limiting block (304), a connecting rod (303) is connected through the support seat (302), a connecting pipe (306) is fixedly connected with the bottom end of the connecting rod (303), a third bolt (307) is arranged on the connecting pipe (306), and a pressing wheel (308) is connected with both ends of the connecting pipe (306) through the third bolt (307).

8. The PCB clamping device of claim 7, wherein, The outer surface of the connecting rod (303) is fixedly sleeved with the limiting block (304), and the side surface of the limiting block (304) is slidably connected with the side surface of the L-shaped plate (301).

9. The PCB clamping device of claim 8, wherein, The end of the third bolt (307), the second bolt (207) and the first bolt (201) is provided with a nut.

10. The PCB clamping device of claim 9, wherein, The outer surface of the connecting rod (303) is sleeved with a spring (305), and the spring (305) is located between the support seat (302) and the limiting block (304).

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