Surface etching equipment for printed circuit board production

Abstract

The utility model relates to the technical field of circuit boards, and discloses a surface etching device for printed circuit board production, which comprises a fixed plate, the output end of a first motor is fixedly connected with a two-way screw rod, and the top and the bottom of the outer ring of the two-way screw rod penetrate through and are in threaded connection with a first nut pair. Connecting blocks are fixedly connected to the front sides of the first nut pairs correspondingly, clamping plates are fixedly connected to the front sides of the connecting blocks correspondingly, supporting plates are arranged on the left side and the right side of one side of each clamping plate correspondingly, sliding blocks are fixedly connected to one sides of the supporting plates correspondingly, the sliding blocks penetrate through and are slidably connected with the clamping plates correspondingly, and fixing rods penetrate through and are in threaded connection with the front sides of the supporting plates correspondingly. The other end of each fixing rod is fixedly connected with a fixing block. According to the utility model, the circuit board is fixed through the first motor, the bidirectional screw rod, the first nut pair and the clamping plate, the limiting bolt is screwed out of the clamping plate, the supporting plates can be moved through the clamping plate, and the distance between the supporting plates can be adjusted according to the width of the circuit board.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit boards, in particular to surface etching equipment for producing printed circuit boards. Background Art

[0002] Printed circuit boards, also known as printed circuit boards, are providers of electrical connections for electronic components. The main advantage of using circuit boards is that they greatly reduce wiring and assembly errors, improve the level of automation and production labor rates. Printed circuit boards need to be etched on the surface during the production process, and etching equipment is required for etching printed circuit boards.

[0003] After searching, the existing Chinese patent announcement number is: CN219644223U, which provides a surface etching device for printed circuit board production. The patent is driven by a motor and cooperates with a first electric telescopic rod, a first fixed frame, a first transmission wheel, a first belt, a second transmission wheel, a second electric telescopic rod, a cleaning brush, a fan, a circuit board, a slide and a debris box, thereby realizing that the etching device has the function of cleaning the etched debris and collecting the debris when etching the surface of the printed circuit board. Through the drive of the motor and the cooperation of the third electric telescopic rod, the second fixed frame, the etching drill, the first gear, the second gear, the fixed rod, the connecting frame, the fourth electric telescopic rod, the third transmission wheel, the second belt, the fourth transmission wheel and the support rod, the circuit board is adjusted and etched with high efficiency. Through the drive of the motor and the first electric telescopic rod and the cooperation of the first transmission wheel, the second transmission wheel, the conveyor belt and the card slot, the circuit board is automatically transmitted out after etching and then collected.

[0004] Although the above patent can clean up the etched debris and collect the debris when etching the surface of the printed circuit board, the above-mentioned surface etching equipment for printed circuit board production still has the following problems: when the device is in use, it can only fix the top and bottom of the circuit board, which makes it easy to offset when etching the circuit board.

[0005] In view of the above problems, a surface etching device for producing a printed circuit board is proposed. Utility Model Content

[0006] The utility model aims to provide a surface etching device for producing a printed circuit board, which solves the problem that the device in the background art can only fix the top and bottom of the circuit board, resulting in easy deviation during etching of the circuit board.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a surface etching device for printed circuit board production, comprising a fixed plate, a first motor is fixedly connected to the top of the fixed plate, a bidirectional screw is fixedly connected to the output end of the first motor, a first nut pair is penetrated and threadedly connected to the top and bottom of the outer ring of the bidirectional screw, a connecting block is fixedly connected to the front side of the first nut pair, a clamp is fixedly connected to the front side of the connecting block, a support plate is provided on both the left and right sides of one side of the clamp, a slider is fixedly connected to one side of the support plate, and the slider penetrates and is slidably connected to the clamp, a fixing rod is penetrated and threadedly connected to the front side of the support plate, a fixing block is fixedly connected to the other end of the fixing rod, and an adjustment structure is provided at the bottom of the fixed plate;

[0008] By adopting the above technical solution, the circuit board is fixed by the first motor, the bidirectional screw rod, the first nut pair and the clamping plate, and then the clamping plate is fixed by the fixing rod and the fixing block.

[0009] As a further description of the above technical solution: the adjustment structure includes a bottom plate, a second motor is fixedly connected to the right side of the bottom plate, a threaded rod is fixedly connected to the output end of the second motor, a second nut pair is passed through the middle of the outer ring of the threaded rod and is threadedly connected, and the second nut pair is fixedly connected to the fixing plate;

[0010] By adopting the above technical solution, the second motor drives the threaded rod to rotate, so that the second nut pair drives the fixed plate to move.

[0011] As a further description of the above technical solution: the front end of the bottom plate is fixedly connected to a first electric push rod, the top of the first electric push rod is fixedly connected to a second electric push rod, the top of the second electric push rod is fixedly connected to a mounting block, and the rear side of the mounting block is provided with an etching drill bit;

[0012] By adopting the above technical solution, the height of the etching drill bit and the distance between the etching drill bit and the circuit board can be adjusted by the first electric push rod and the second electric push rod.

[0013] As a further description of the above technical solution: a slide groove is provided on the front side of the top of the bottom plate, and the second electric push rod can slide in the slide groove;

[0014] By adopting the above technical solution, the distance between the etching drill bit and the circuit board can be adjusted by sliding the second electric push rod in the slide groove.

[0015] As a further description of the above technical solution: a circuit board body is arranged between the top and the bottom of the clamping plate;

[0016] By adopting the above technical solution, the circuit board is placed between two clamping plates and the clamping plates are used to fix the circuit board.

[0017] As a further description of the above technical solution: the front side of the fixed plate is fixedly connected to a limit block, and the limit block is penetrated and rotatably connected to the bidirectional screw rod;

[0018] By adopting the above technical solution, the two clamping plates can be prevented from colliding with each other through the limit block.

[0019] As a further description of the above technical solution: a limit bolt is passed through and threadedly connected to the other side of the clamping plate, and the limit bolt is passed through and threadedly connected to the slider;

[0020] By adopting the above technical solution, by screwing the limit bolt out of the slider and the clamping plate, the support plate can be moved through the clamping plate, and the distance between the support plates can be adjusted according to the width of the circuit board.

[0021] As a further description of the above technical solution: evenly distributed limiting holes are opened on the other side of the clamping plate, and the limiting bolts can be screwed into the limiting holes.

[0022] By adopting the above technical solution, the slider can be fixed by screwing the limit bolt into the limit hole.

[0023] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0024] 1. The utility model provides a surface etching device for printed circuit board production, which fixes the circuit board through a first motor, a bidirectional screw rod, a first nut pair and a clamping plate, and then fixes the clamping plate through a fixing rod and a fixing block. By screwing the limit bolt out of the slider and the clamping plate, the support plate can be moved through the clamping plate, and the distance between the support plates can be adjusted according to the width of the circuit board.

[0025] 2. The utility model provides a surface etching device for printed circuit board production. The height of the etching drill bit and the distance between the etching drill bit and the circuit board can be adjusted by the first electric push rod and the second electric push rod. Then, the second motor drives the threaded rod to rotate, so that the second nut pair drives the fixed plate to move, thereby facilitating engraving at different positions of the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0027] Figure 2 This is a schematic diagram of the fixed plate structure of the utility model;

[0028] Figure 3 This is a schematic diagram of the splint structure of the utility model;

[0029] Figure 4 It is the right view of the utility model.

[0030] In the figure: 1. fixing plate; 2. first motor; 3. bidirectional screw rod; 4. clamping plate; 5. supporting plate; 6. circuit board body; 7. bottom plate; 8. first electric push rod; 9. second electric push rod; 10. mounting block; 11. second motor; 12. first nut pair; 13. limiting block; 14. connecting block; 15. sliding block; 16. limiting bolt; 17. limiting hole; 18. fixing rod; 19. fixing block; 20. etching drill bit; 21. threaded rod; 22. second nut pair; 23. slide groove. DETAILED DESCRIPTION

[0031] 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 in 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.

[0032] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.

[0033] Combination Figure 1 , Figure 2 and Figure 3 The utility model is a surface etching device for producing printed circuit boards, comprising a fixed plate 1, a first motor 2 is fixedly connected to the top of the fixed plate 1, a bidirectional screw 3 is fixedly connected to the output end of the first motor 2, a limit block 13 is fixedly connected to the front side of the fixed plate 1, and the limit block 13 penetrates and is rotatably connected to the bidirectional screw 3, a first nut pair 12 is penetrated and threadedly connected to the top and bottom of the outer ring of the bidirectional screw 3, a connecting block 14 is fixedly connected to the front side of the first nut pair 12, a clamping plate 4 is fixedly connected to the front side of the connecting block 14, a circuit board body 6 is arranged between the top and bottom of the clamping plate 4, and a support plate 5 is arranged on both the left and right sides of one side of the clamping plate 4. A slider 15 is fixedly connected to one side of the support plate 5, and the slider 15 is penetrated and slidably connected to the clamping plate 4, a fixing rod 18 is penetrated and threadedly connected to the front side of the support plate 5, and a fixing block 19 is fixedly connected to the other end of the fixing rod 18, the circuit board is placed between the two clamping plates 4, and then the bidirectional screw rod 3 is driven to rotate by the first motor 2, so that the first nut pair 12 drives the clamping plates 4 to approach each other, and then the clamping plates 4 are fixed by the fixing rod 18 and the fixing block 19, and the support plate 5 can be moved by the clamping plate 4 by unscrewing the limit bolt 16 out of the slider 15 and the clamping plate 4, and the distance between the support plates 5 can be adjusted according to the width of the circuit board.

[0034] Combination Figure 4The bottom of the fixed plate 1 is provided with an adjustment structure, which includes a bottom plate 7, a second motor 11 is fixedly connected to the right side of the bottom plate 7, a threaded rod 21 is fixedly connected to the output end of the second motor 11, a second nut pair 22 is passed through the middle of the outer ring of the threaded rod 21 and is threadedly connected, and the second nut pair 22 is fixedly connected to the fixed plate 1, a first electric push rod 8 is fixedly connected to the front end of the bottom plate 7, a second electric push rod 9 is fixedly connected to the top of the first electric push rod 8, a mounting block 10 is fixedly connected to the top of the second electric push rod 9, an etching drill bit 20 is arranged on the rear side of the mounting block 10, and a slide groove is provided on the front side of the top of the bottom plate 7 23, and the second electric push rod 9 can slide in the slide groove 23, the other side of the clamp plate 4 passes through and is threadedly connected with the limit bolt 16, and the limit bolt 16 passes through and is threadedly connected with the slider 15, and the other side of the clamp plate 4 is provided with evenly distributed limit holes 17, and the limit bolt 16 can be screwed into the limit hole 17, the height of the etching drill 20 and the distance between the etching drill 20 and the circuit board can be adjusted by the first electric push rod 8 and the second electric push rod 9, and then the threaded rod 21 is driven to rotate by the second motor 11, so that the second nut pair 22 drives the fixing plate 1 to move, so as to facilitate etching of different positions of the circuit board.

[0035] Working principle: When the utility model is in use, the circuit board is first placed between the two clamping plates 4, and then the bidirectional screw rod 3 is driven to rotate by the first motor 2, so that the first nut pair 12 drives the clamping plates 4 to approach each other, and then the clamping plates 4 are fixed by the fixing rod 18 and the fixing block 19, and the support plate 5 can be moved by the clamping plate 4 by screwing the limit bolt 16 out of the slider 15 and the clamping plate 4, and the distance between the support plates 5 can be adjusted according to the width of the circuit board. The height of the etching drill bit 20 and the distance between the circuit board can be adjusted by the first electric push rod 8 and the second electric push rod 9, and then the threaded rod 21 is driven to rotate by the second motor 11, so that the second nut pair 22 drives the fixing plate 1 to move, thereby facilitating etching of different positions of the circuit board.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A surface etching device for producing a printed circuit board, comprising a fixing plate (1), characterized in that: The top of the fixed plate (1) is fixedly connected to a first motor (2), the output end of the first motor (2) is fixedly connected to a bidirectional screw rod (3), the top and bottom of the outer ring of the bidirectional screw rod (3) are penetrated and threadedly connected to a first nut pair (12), the front side of the first nut pair (12) is fixedly connected to a connecting block (14), the front side of the connecting block (14) is fixedly connected to a clamping plate (4), a support plate (5) is provided on both the left and right sides of one side of the clamping plate (4), one side of the support plate (5) is fixedly connected to a sliding block (15), and the sliding block (15) is penetrated and slidably connected to the clamping plate (4), the front side of the support plate (5) is penetrated and threadedly connected to a fixing rod (18), the other end of the fixing rod (18) is fixedly connected to a fixing block (19), and an adjustment structure is provided at the bottom of the fixed plate (1).

2. A surface etching device for printed circuit board production according to claim 1, characterized in that: The adjustment structure comprises a base plate (7), a second motor (11) is fixedly connected to the right side of the base plate (7), a threaded rod (21) is fixedly connected to the output end of the second motor (11), a second nut pair (22) passes through the middle of the outer ring of the threaded rod (21) and is threadedly connected, and the second nut pair (22) is fixedly connected to the fixing plate (1).

3. A surface etching device for printed circuit board production according to claim 2, characterized in that: The front end of the base plate (7) is fixedly connected to a first electric push rod (8), the top of the first electric push rod (8) is fixedly connected to a second electric push rod (9), the top of the second electric push rod (9) is fixedly connected to a mounting block (10), and an etching drill bit (20) is arranged on the rear side of the mounting block (10).

4. A surface etching device for printed circuit board production according to claim 2, characterized in that: A slide groove (23) is provided on the front side of the top of the bottom plate (7), and the second electric push rod (9) can slide in the slide groove (23).

5. The surface etching equipment for printed circuit board production according to claim 1, characterized in that: A circuit board body (6) is arranged between the top and bottom of the clamping plate (4).

6. A surface etching device for printed circuit board production according to claim 1, characterized in that: The front side of the fixed plate (1) is fixedly connected to a limiting block (13), and the limiting block (13) penetrates and is rotatably connected to the bidirectional screw rod (3).

7. The surface etching equipment for printed circuit board production according to claim 1, characterized in that: A limit bolt (16) passes through the other side of the clamping plate (4) and is threadedly connected thereto, and the limit bolt (16) and the slider (15) pass through and are threadedly connected thereto.

8. The surface etching equipment for printed circuit board production according to claim 1, characterized in that: The other side of the clamping plate (4) is provided with evenly distributed limiting holes (17), and the limiting bolts (16) can be screwed into the limiting holes (17).

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