Printed circuit board fixing nail bed

Abstract

The utility model belongs to the technical field of printed circuit boards, and particularly relates to a printed circuit board fixing nail bed which comprises a nail bed body, a telescopic mechanism comprises a sleeve, a movable rod is movably inserted into the bottom end of the sleeve, a push rod is fixedly arranged at the top end of the movable rod, a positioning pin is fixedly arranged at the top end of the push rod, and the positioning pin is fixedly arranged at the bottom end of the sleeve. An L-shaped guide hole is formed in one side of the circumferential surface of the sleeve, a guide column is fixedly arranged on one side of the circumferential surface of the movable rod, the guide column is slidably inserted into the L-shaped guide hole, a spring is fixedly arranged at the top end of the movable rod, and the top end of the spring is fixedly arranged at the top end of the interior of the sleeve; an operation board is fixedly arranged at the bottom end of the movable rod, a plurality of sets of arc-shaped grooves are formed in the circumferential face of the operation board in an annular array mode, through cooperation of the multiple sets of telescopic mechanisms, a worker can adjust the telescopic mechanisms at different positions according to circuit boards of different specifications and sizes, and the application range of the printed circuit board fixing nail bed is widened.

Description

Technical Field

[0001] The utility model belongs to the technical field of printed circuit boards, in particular to a printed circuit board fixing nail bed. Background Art

[0002] Circuit boards, also known as printed circuit boards or PCBs, can be found in every electronic device in the world today. Printed circuit board assembly, also known as "populating" or "populating bare printed circuit boards" is a complex process involving many different stages. The solder mask printing of the circuit board is generally divided into two sides. When one side is printed, the other side needs to be supported by a nail bed for printing.

[0003] A Chinese patent with publication number CN217116519U discloses a fixed nail bed for printed circuit boards, including a frame and a movable nail seat, wherein a transmission mechanism is arranged inside the frame, wherein the transmission mechanism includes a sliding groove, wherein a slider is slidably mounted on the inner wall of the sliding groove, and a connecting block is fixedly connected to the end of the slider away from the sliding groove, and the movable nail seat drives the fixed block to move synchronously through the movable base, and the fixed block drives the transmission belt to rotate, and the transmission belt is transmitted through the rotating wheel to drive the other movable nail seat to move in the relative direction, and when the two fixed blocks are both in contact with the positioning blocks, the circuit board on the movable nail seat located in the printing working area is printed and processed, and at the same time, the circuit board on the other movable nail seat can be disassembled and reassembled, and after printing is completed, the movable nail seat is pushed again to move the circuit board to be printed to the printing processing area, thereby achieving the effect of continuous operation and improving production efficiency.

[0004] The above-mentioned fixed nail bed for printed circuit boards also has the following problems during use: it is unable to achieve positioning of circuit boards of different styles; the above-mentioned fixed nail bed can only be applied to circuit boards of specific styles; different nail beds need to be processed for circuit boards of different styles, which increases production costs and inventory pressure; the above-mentioned fixed nail bed for printed circuit boards does not effectively solve these problems; therefore, a fixed nail bed for printed circuit boards is proposed to address the above-mentioned problems. Utility Model Content

[0005] In order to make up for the shortcomings of the existing fixed nail bed for printed circuit boards and solve the problem that the nail bed cannot achieve the positioning of circuit boards of different styles, the above-mentioned fixed nail bed can only be used for circuit boards of specific styles. For circuit boards of different styles, different nail beds need to be processed, which increases the production cost and inventory pressure. A fixed nail bed for printed circuit boards is proposed.

[0006] The technical solution adopted by the utility model to solve its technical problems is as follows: a printed circuit board fixing nail bed described in the utility model comprises a nail bed, the bottom end of the nail bed is in a rectangular array and is fixedly provided with an array telescopic mechanism, the telescopic mechanism comprises a sleeve, the top end of the sleeve is fixedly provided at one side of the bottom end of the nail bed, the bottom end of the sleeve is in a through shape, a movable rod is movably inserted into the bottom end of the sleeve, a push rod is fixedly provided at the top end of the movable rod, an array of holes is correspondingly provided on the nail bed according to the array telescopic mechanism, the push rod slides and is arranged in the corresponding hole, a positioning pin is fixedly provided at the top end of the push rod, an L-shaped guide hole is opened on one side of the circumferential surface of the sleeve, and the horizontal hole of the L-shaped guide hole is located at the top end of the vertical hole, a guide column is fixedly provided on one side of the circumferential surface of the movable rod, and the guide column is slidably inserted into the L-shaped guide hole, and through the cooperation of the array telescopic mechanism, the staff can adjust the telescopic mechanism at different positions according to circuit boards of different specifications and sizes, thereby improving the application scope of the printed circuit board fixing nail bed.

[0007] Preferably, a spring is fixedly provided at the top end of the movable rod, and the top end of the spring is fixedly provided at the inner top end of the sleeve. The spring is sleeved on the periphery of the push rod and does not contact the push rod. Through the cooperation of the elastic potential energy of the spring, the push rod is fixed when it is moved up and locked, and it is more convenient to release it when it is moved down.

[0008] Preferably, an operating disk is fixedly provided at the bottom end of the movable rod, and a plurality of arc-shaped grooves are provided in a ring array on the circumferential surface of the operating disk. The cooperation of the operating disk makes it more convenient for the user to operate the telescopic mechanism, and the arc-shaped grooves increase friction.

[0009] Preferably, supporting legs are fixedly provided at the four corners of the bottom end of the nail bed, a base is fixedly provided at the bottom end of the supporting legs, and the central axis of the base is consistent with the central axis of the nail bed, so that the stability of the nail bed is improved through the cooperation of the base.

[0010] Preferably, a rubber pad is fixedly provided at the bottom end of the base. Through the cooperation of the rubber pad, the vibration and noise generated during use can be absorbed, the risk of tilting and shaking can be reduced, and the stability of the fixed nail bed can be enhanced.

[0011] Preferably, a tool box is fixedly arranged on one side of the top of the base. Through the arrangement of the tool box, the staff can place the tools in the tool box for convenience and practicality.

[0012] Beneficial effects of the utility model:

[0013] The utility model provides a printed circuit board fixing nail bed. In order to make the printed circuit board fixing nail bed meet the positioning of circuit boards of different styles, the staff operates the telescopic mechanism at the corresponding position according to the size specification of the processed circuit board, the staff presses the operation panel, the operation panel drives the movable rod to move, the movable rod drives the push rod to move up, the push rod drives the positioning pin to move up, and at the same time the movable rod drives the guide column to move in the L-shaped guide hole. When the guide column moves to the horizontal hole position of the L-shaped guide hole, the staff rotates the operation panel, the operation panel drives the movable rod to rotate, the movable rod drives the guide column to rotate, so that the guide column rotates to the horizontal hole of the L-shaped guide hole, so that the position of the movable rod is fixed, and then the positions of the push rod and the positioning pin are fixed. In the same way, the telescopic mechanism at the corresponding position is adjusted, and then the printed circuit board is placed on the positioning pin on the adjusted telescopic mechanism through the positioning holes at the four corners of the printed circuit board, so that the positioning pin is inserted into the positioning hole, the printed circuit board is fixed, and then the printed circuit board can be processed. Through the cooperation of the array telescopic mechanism, the staff can adjust the telescopic mechanisms at different positions according to circuit boards of different specifications and sizes, thereby improving the application range of the printed circuit board fixing nail bed. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0015] Figure 1 It is a top view of the whole;

[0016] Figure 2 It is the overall bottom view;

[0017] Figure 3 It is a three-dimensional enlarged structural diagram of the telescopic mechanism;

[0018] Figure 4 It is a three-dimensional enlarged view of the cross-sectional structure of the telescopic mechanism;

[0019] Legend:

[0020] 1. Nail bed; 2. Sleeve; 3. Movable rod; 4. Push rod; 5. Positioning pin; 6. L-shaped guide hole; 7. Guide column; 8. Spring; 9. Operating panel; 10. Arc groove; 11. Support leg; 12. Base; 13. Rubber pad; 14. Tool box; A. Telescopic mechanism. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Specific examples are given below.

[0023] See also Figure 1-Figure 4 The utility model discloses a printed circuit board fixing nail bed, comprising a nail bed 1, wherein the bottom end of the nail bed 1 is in a rectangular array and is fixedly provided with an array telescopic mechanism A, wherein the telescopic mechanism A comprises a sleeve 2, wherein the top end of the sleeve 2 is fixedly provided at one side of the bottom end of the nail bed 1, wherein the bottom end of the sleeve 2 is in a through shape, wherein a movable rod 3 is movably inserted through the bottom end of the sleeve 2, wherein a push rod 4 is fixedly provided at the top end of the movable rod 3, wherein the nail bed 1 is provided with an array of holes corresponding to the array telescopic mechanism A, wherein the push rod 4 slides and penetrates the corresponding holes, wherein the top end of the push rod 4 is fixedly provided with a fixed A positioning pin 5 is provided on one side of the circumferential surface of the sleeve 2, and the horizontal hole of the L-shaped guide hole 6 is located at the top of the vertical hole. A guide column 7 is fixedly provided on one side of the circumferential surface of the movable rod 3, and the guide column 7 is slidably inserted into the L-shaped guide hole 6. A spring 8 is fixedly provided on the top of the movable rod 3, and the top of the spring 8 is fixedly provided on the inner top of the sleeve 2. The spring 8 is sleeved on the periphery of the push rod 4 and does not contact the push rod 4. An operating disk 9 is fixedly provided on the bottom end of the movable rod 3, and an array of arc grooves 10 are provided in a ring array on the circumferential surface of the operating disk 9.

[0024] The four corners of the bottom end of the nail bed 1 are fixedly provided with supporting legs 11, and the bottom end of the supporting legs 11 is fixedly provided with a base 12, and the central axis of the base 12 is consistent with the central axis of the nail bed 1, and the bottom end of the base 12 is fixedly provided with a rubber pad 13, and the top side of the base 12 is fixedly provided with a tool box 14. During work, in order to make the printed circuit board fixed nail bed meet the positioning of circuit boards of different styles, the staff first places the base 12 in the working area, and the rubber pad 13 can absorb the vibration and noise generated during use, reduce the risk of tilting and shaking, thereby enhancing the stability of the fixed nail bed and improving the processing accuracy of the printed circuit board. Then, according to the size specifications of the processed circuit board, the telescopic mechanism A at the corresponding position is operated, and the staff presses the operating disk 9, and the operating disk 9 drives the movable rod 3 to move, and the movable rod 3 drives the push rod 4 to move up, and the push rod 4 drives the positioning pin 5 to move up, and at the same time, the movable rod 3 drives the guide The guide column 7 moves in the L-shaped guide hole 6. When the guide column 7 moves to the horizontal hole position of the L-shaped guide hole 6, the staff rotates the operating disk 9, and the operating disk 9 drives the movable rod 3 to rotate, and the movable rod 3 drives the guide column 7 to rotate, so that the guide column 7 is rotated to the horizontal hole of the L-shaped guide hole 6, so that the position of the movable rod 3 is fixed, and then the positions of the push rod 4 and the positioning pin 5 are fixed. In the same way, the telescopic mechanism A at the corresponding position is adjusted, and then the printed circuit board is placed on the positioning pin 5 on the adjusted telescopic mechanism A through the positioning holes at its four corners, and the positioning pin 5 is inserted into the positioning hole to fix the printed circuit board. The printed circuit board can then be processed, and the staff can place the processing tools in the tool box 14 for easy use next time. Through the cooperation of the array telescopic mechanism A, the staff can adjust the telescopic mechanism A at different positions according to circuit boards of different specifications and sizes, thereby improving the application range of the printed circuit board fixing nail bed.

[0025] Working principle: In order to make the printed circuit board fixing nail bed meet the positioning of different styles of circuit boards, the staff first places the base 12 in the working area. The rubber pad 13 can absorb the vibration and noise generated during use and reduce the risk of tilting and shaking, thereby enhancing the stability of the fixed nail bed and improving the processing accuracy of the printed circuit board. Then, according to the size specifications of the processed circuit board, the telescopic mechanism A at the corresponding position is operated. The staff presses the operating disk 9, and the operating disk 9 drives the movable rod 3 to move, and the movable rod 3 drives the push rod 4 to move up, and the push rod 4 drives the positioning pin 5 to move up. At the same time, the movable rod 3 drives the guide column 7 to move in the L-shaped guide hole 6. When the guide column 7 moves to the horizontal hole position of the L-shaped guide hole 6, the staff rotates the operating disk 9, and the operating disk 9 with The movable rod 3 is moved to rotate, and the movable rod 3 drives the guide column 7 to rotate, so that the guide column 7 rotates to the horizontal hole located at the L-shaped guide hole 6, so that the position of the movable rod 3 is fixed, and then the positions of the push rod 4 and the positioning pin 5 are fixed. In the same way, the telescopic mechanism A at the corresponding position is adjusted, and then the printed circuit board is placed on the positioning pin 5 on the adjusted telescopic mechanism A through the positioning holes at its four corners, and the positioning pin 5 is inserted into the positioning hole to fix the printed circuit board. The printed circuit board can then be processed, and the staff can place the processing tools in the tool box 14 for easy use next time. Through the cooperation of the array telescopic mechanism A, the staff can adjust the telescopic mechanism A at different positions according to circuit boards of different specifications and sizes, thereby improving the application range of the printed circuit board fixing nail bed.

[0026] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0027] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A nail bed for fixing printed circuit boards, Features: The invention comprises a nail bed (1), wherein the bottom end of the nail bed (1) is fixedly provided with an array telescopic mechanism (A) in a rectangular array, wherein the telescopic mechanism (A) comprises a sleeve (2), wherein the top end of the sleeve (2) is fixedly provided on one side of the bottom end of the nail bed (1), wherein the bottom end of the sleeve (2) is in a through shape, wherein a movable rod (3) is movably inserted through the bottom end of the sleeve (2), wherein a push rod (4) is fixedly provided on the top end of the movable rod (3), wherein an array of holes is correspondingly provided on the nail bed (1) according to the array telescopic mechanism (A), wherein the push rod (4) slides and penetrates the corresponding hole, wherein a positioning pin (5) is fixedly provided on the top end of the push rod (4), wherein an L-shaped guide hole (6) is provided on one side of the circumferential surface of the sleeve (2), wherein the horizontal hole of the L-shaped guide hole (6) is located at the top end of the vertical hole, wherein a guide column (7) is fixedly provided on one side of the circumferential surface of the movable rod (3), wherein the guide column (7) is slidably inserted into the L-shaped guide hole (6) and provided.

2. A printed circuit board fixing nail bed according to claim 1, Features: A spring (8) is fixedly arranged at the top end of the movable rod (3), and the top end of the spring (8) is fixedly arranged at the inner top end of the sleeve (2). The spring (8) is sleeved on the periphery of the push rod (4) and does not contact the push rod (4).

3. A printed circuit board fixing nail bed according to claim 1, Features: An operating disk (9) is fixedly arranged at the bottom end of the movable rod (3), and a plurality of arc-shaped grooves (10) are arranged in a circular array on the circumferential surface of the operating disk (9).

4. A printed circuit board fixing nail bed according to claim 1, Features: Support legs (11) are fixedly arranged at the four corners of the bottom end of the nail bed (1), a base (12) is fixedly arranged at the bottom end of the support leg (11), and the central axis of the base (12) is consistent with the central axis of the nail bed (1).

5. A printed circuit board fixing nail bed according to claim 4, Features: A rubber pad (13) is fixedly arranged at the bottom end of the base (12).

6. A printed circuit board fixing nail bed according to claim 5, Features: A tool box (14) is fixedly arranged on one side of the top end of the base (12).

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