Electroplating tool jig for manufacturing circuit board

Abstract

The utility model discloses an electroplating tool jig for manufacturing a circuit board. The electroplating tool jig comprises a first motor; one end of the first linear moving device is connected with the first motor, and the first linear moving device is provided with a first moving block which can be driven by the first motor to do horizontal linear motion; the second linear moving device is coaxially connected with the first linear moving device and is provided with a second moving block, and the second moving block can be driven by a first motor to do horizontal linear motion which is synchronous with the first moving block but opposite to the first moving block in motion direction; the tops of the two telescopic devices are connected with the first moving block and the second moving block respectively; the two supporting devices are arranged at the bottoms of the two telescopic devices respectively and used for supporting the bottom area of the circuit board; and the two clamps are respectively arranged at the upper areas of the two telescopic devices and are used for clamping the top area of the circuit board. According to the utility model, adaptive adjustment of circuit boards with different widths and heights can be realized, the support device effectively disperses the stress of the clamp, and the failure rate of long-term use of the clamp can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board processing technical field especially relates to a circuit board manufacturing is electroplated frock fixture. BACKGROUND

[0002] Circuit board is indispensable component part in electronic equipment, it forms the circuit structure with certain function through the circuit pattern is transferred to printed circuit, thereby realizes the electrical connection between electronic components and parts, this circuit board adopts electronic printing technique to make, therefore is called "printed circuit board". Main function is to provide support, fixed and connected function for electronic components and parts, through different forms of circuit, electronic components and parts are connected with each other, so that electronic equipment can work normally.

[0003] Circuit board electroplating processing is to coat metal film on the surface of circuit board to realize electrical conductivity and protection. In the electroplating process, the fixture is essential for clamping the circuit board. However, the existing electroplating fixture has the following defects: (1) only the top of the board is clamped by the clamping structure, and the bottom of the board lacks a supporting structure, so the fixture is under great stress and is prone to failure after long-term use; (2) different sizes of circuit boards require different fixtures, which has poor applicability and increases production cost. Therefore, it is necessary to provide a new circuit board electroplating fixture. SUMMARY

[0004] The technical problem to be solved by the utility model is to provide a circuit board manufacturing electroplating fixture to solve the two defects described above.

[0005] The technical solution adopted by the utility model to solve its technical problem is to provide a circuit board manufacturing electroplating fixture, which comprises:

[0006] A first motor;

[0007] A first linear motion device connected to the first motor at one end; the first linear motion device is provided with a first moving block, which is driven by the first motor to move horizontally in a straight line;

[0008] A second linear motion device connected to the first linear motion device at one end away from the first motor; the second linear motion device is provided with a second moving block, which is driven by the first motor to move horizontally in a straight line synchronously with the first moving block but in the opposite direction;

[0009] Two telescopic devices, both of which are arranged vertically and have their tops connected to the first moving block and the second moving block respectively;

[0010] Two supporting devices are arranged at the bottom of the two telescopic devices respectively, and are used for supporting two ends of the bottom area of the circuit board respectively.

[0011] Two clamps are arranged at the upper area of the two telescopic devices respectively, and are used for clamping two ends of the top area of the circuit board respectively.

[0012] Further, the clamp comprises a backing plate, a clamping plate and a second motor.

[0013] The backing plate is fixed at the upper part of the telescopic device.

[0014] The clamping plate is arranged in cooperation with the backing plate and can rotate around a first axis to jointly clamp or release the circuit board with the backing plate.

[0015] The second motor is arranged beside the backing plate and is used for driving the clamping plate to rotate around the first axis.

[0016] Further, the telescopic device comprises a fixed body, a movable body and an adjusting bolt.

[0017] The fixed body is a hollow structure, and the top of the fixed body is connected with the first moving block or the second moving block.

[0018] The upper part of the movable body is inserted into the inner cavity of the fixed body and can move along the extension direction of the fixed body to change the length of the telescopic device.

[0019] The adjusting bolt is attached to the fixed body and can lock or unlock the movable body to limit or release the movement of the movable body relative to the fixed body.

[0020] Further, the supporting device comprises a fixed seat, a rotating plate and a third motor.

[0021] The top of the fixed seat is connected with the bottom of the movable body.

[0022] The rotating plate is arranged on the fixed seat, and the rotating plate can rotate around a second axis relative to the fixed seat to be parallel or perpendicular to the movable body.

[0023] The third motor is arranged beside the fixed seat and is used for driving the rotating plate to rotate around the second axis.

[0024] Further, the fixed seat is a hollow frame structure and is provided with a first shaft hole.

[0025] The rotating plate is arranged in the hollow frame of the fixed seat; the rotating plate is provided with a first rotating shaft fixed thereto, and the first rotating shaft is inserted into the first shaft hole; wherein the central axis of the first rotating shaft is the second axis;

[0026] The third motor is installed on the outer surface of the fixed seat; and the third motor is in transmission connection with the first rotating shaft, so as to drive the rotating plate to rotate around the second axis.

[0027] Further, one shaft seat is arranged on each side of the backing plate;

[0028] The clamping plate is arranged on the opposite side of the backing plate, and the clamping plate is provided with a second rotating shaft fixed thereto, and the two ends of the second rotating shaft are inserted into the second shaft holes of the two shaft seats respectively; wherein the central axis of the second rotating shaft is the first axis;

[0029] The second motor is installed on the mounting seat and is in transmission connection with the second rotating shaft through a gear transmission assembly; wherein the mounting seat is fixed beside the backing plate, and the gear transmission assembly is shielded.

[0030] Further, the areas of the backing plate and the clamping plate for clamping the circuit board are provided with rubber pads.

[0031] Further, the side surface of the movable body is provided with a strip-shaped limiting groove consistent with the extension direction of the movable body;

[0032] The adjusting bolt is threadedly connected to the side surface of the fixed body, and the end of the adjusting bolt away from the nut penetrates into the inner cavity of the fixed body and is embedded into the strip-shaped limiting groove and abuts against the movable body.

[0033] Further, the first linear movement device comprises a first lead screw shaft and a first nut seat, the first nut seat is sleeved on the first lead screw shaft through thread cooperation, and the first moving block is fixed with the first nut seat;

[0034] The second linear movement device comprises a second lead screw shaft and a second nut seat, the second nut seat is sleeved on the second lead screw shaft through thread cooperation, and the second moving block is fixed with the second nut seat;

[0035] Wherein, one end of the first lead screw shaft is connected with the output shaft of the first motor, and the first lead screw shaft is coaxially connected with the second lead screw shaft, and the screw rotation directions of the two are opposite.

[0036] Further, one end of the first lead screw shaft is installed on the first bearing seat through a first bearing, and the other end is connected with one end of the connecting shaft through a second coupling.

[0037] The connecting shaft is installed on the second bearing seat through a second bearing, and the other end of the connecting shaft is connected with one end of the second screw shaft through a third coupling;

[0038] The other end of the second screw shaft is installed on a third bearing seat through a third bearing;

[0039] The first motor, the first bearing seat, the second bearing seat and the third bearing seat are fixed on the rack.

[0040] Further, the first linear moving device further comprises a first guide rod, and the second linear moving device further comprises a second guide rod;

[0041] The two ends of the first guide rod are fixed with the first bearing seat and the second bearing seat respectively, and the first moving block is sleeved on the first guide rod in a sliding mode;

[0042] The two ends of the second guide rod are fixed with the second bearing seat and the third bearing seat respectively, and the second moving block is sleeved on the second guide rod in a sliding mode.

[0043] The utility model discloses the beneficial effect lies in:

[0044] The utility model discloses a first motor drive first linear moving device and second linear moving device, make two moving blocks drive two telescopic devices do opposite or back horizontal linear motion, can realize the adaptive adjustment to different width size circuit board, the length of telescopic device is adjustable, can realize the adaptive adjustment to different height size circuit board,

[0045] In addition, the support device and the clamp support and clamp the bottom and the top of the circuit board respectively, the support device effectively disperses the stress of the clamp, and the failure rate of the clamp during long-term use is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0046] Figure 1 It is the general structure diagram of electroplating tool jig for circuit board manufacturing provided by the utility model;

[0047] Figure 2 It is Figure 1 The front view of the utility model;

[0048] Figure 3 It is the local enlarged view of the clamp and the nearby area in Figure 1 The mounting seat is hidden in this drawing;

[0049] Figure 4 It is Figure 3 The explosion view of the utility model, and this drawing shows the mounting seat;

[0050] Figure 5is a display Figure 1 a partial enlarged view of the support device and the vicinity thereof;

[0051] Figure 6 is Figure 5 an exploded view of the support device and the vicinity thereof;

[0052] Figure 7 is Figure 1 a working state view of the support device and the vicinity thereof. DETAILED DESCRIPTION

[0053] The utility model will be further described in detail in combination with specific embodiments, but the implementation mode of the utility model is not limited thereto.

[0054] Referring to Figures 1 to 6 The utility model provides a kind of electroplating tooling jig for circuit board manufacturing, including first motor 100, first linear moving device 200, second linear moving device 300, two telescopic devices 400, two support devices 500 and two clamps 600.

[0055] One end of first linear moving device 200 is connected with first motor 100, and first moving block 210 is equipped thereon, and the first moving block 210 is driven to do horizontal linear motion by first motor 100.

[0056] One end of second linear moving device 300 is connected with the end of first linear moving device 200 away from first motor 100, and second moving block 310 is equipped thereon, and the second moving block 310 is also driven by first motor 100, and when moving, it does synchronous but opposite direction horizontal linear motion with first moving block 210.

[0057] Two telescopic devices 400 are arranged vertically, and top portion is connected with first moving block 210 and second moving block 310 respectively.

[0058] Two support devices 500 are arranged at the bottom of two telescopic devices 400 respectively, for supporting the two ends of circuit board bottom area.

[0059] Two clamps 600 are installed in the upper region of two telescopic devices 400 respectively, for clamping the two ends of circuit board top area.

[0060] In a preferred embodiment, referring to Figures 2 to 4The telescopic device 400 comprises a fixed body 410, a movable body 420 and an adjusting bolt 430. The fixed body 410 is a hollow structure, and the top thereof is connected with the first moving block 210 or the second moving block 310. The upper part of the movable body 420 is inserted into the inner cavity of the fixed body 410, and can move along the extension direction of the fixed body 410, so as to change the length of the telescopic device 400. The adjusting bolt 430 is attached to the fixed body 410, and is used for locking or unlocking the movable body 420, so as to limit or release the movement of the movable body 420 relative to the fixed body 410.

[0061] Further, referring to Figure 3 and Figure 4 , the side surface of the movable body 420 is provided with a strip-shaped limiting groove 421 consistent with the extension direction thereof. The adjusting bolt 430 is threadedly connected to the side surface of the fixed body 410, and the end of the adjusting bolt 430 away from the nut extends into the inner cavity of the fixed body 410 and can be embedded into the strip-shaped limiting groove 421 and abut against the movable body 420, so as to lock the movable body 420.

[0062] Preferably, the surface of the movable body 420 is provided with a scale (not shown in the figure), which is used for directly reflecting the distance between the support device 500 and the clamp 600, and the distance corresponds to the height dimension of the circuit board a. In use, according to the height of the circuit board a, the movable body 420 is adjusted, so that the distance between the support device 500 and the clamp 600 matches the height of the circuit board a. The scale can facilitate the worker to grasp the adjusted size in real time.

[0063] Therefore, the telescopic device 400 plays a role of adjusting the distance between the support device 500 and the clamp 600, so that the tooling jig of the utility model can be applicable to more height specifications of the circuit board a. In the adjustment, the adjusting bolt 430 is first loosened, then the movable body 420 is moved upward or downward, so that the movable body 420 is retracted or extended, and after the adjustment is adapted to the position, the adjusting bolt 430 is tightened.

[0064] In the adjustment process, the level can be abutted against the bottom of the support device 500, so as to determine whether the adjustment is horizontal, so as to avoid the inclination of the movable body 420.

[0065] In a preferred embodiment, referring to Figure 3 and Figure 4 , the clamp 600 comprises a backing plate 610, a clamping plate 620 and a second motor 630. The backing plate 610 is fixed to the upper part of the telescopic device 400. The clamping plate 620 is arranged in cooperation with the backing plate 610, can rotate around a first axis 6a, and cooperates with the backing plate 610 to realize clamping or releasing of the circuit board. The second motor 630 is installed beside the backing plate 610, and is used for driving the rotation of the clamping plate 620.

[0066] Further, referring to Figure 3 andFigure 4 Two shaft seats 640 are arranged on the two sides of the base plate 610. The clamping plate 620 is arranged on the opposite side of the base plate 610, and the clamping plate 620 is provided with a second rotating shaft 621 fixedly arranged thereon. The two ends of the second rotating shaft 621 are respectively inserted into the second shaft holes 641 of the two shaft seats 640. The central axis of the second rotating shaft 621 is the first axis 6a. The second motor 630 is installed on the mounting seat 650 and is in transmission connection with the second rotating shaft 621 through the gear transmission assembly 660. The mounting seat 650 is fixed on the side of the base plate 610 and covers the gear transmission assembly 660 to avoid external objects from touching the gear transmission assembly 660.

[0067] The second motor 630 can be a waterproof motor, for example, a motor with a protection level of IP67.

[0068] Generally, a needle bearing can be arranged in the second shaft hole 641, and the second rotating shaft 621 passes through the needle bearing to reduce the friction when the second rotating shaft 621 rotates and ensure the stability of the rotation.

[0069] In a preferred embodiment, referring to Figure 5 and Figure 6 The support device 500 includes a fixed seat 510, a rotating plate 520, and a third motor 530. The top of the fixed seat 510 is connected to the bottom of the movable body 420. The rotating plate 520 is installed on the fixed seat 510 and can rotate around the second axis 5a to realize the switching between the parallel and perpendicular states with the movable body 420. The third motor 530 is installed on the side of the fixed seat 510 and is used to drive the rotating plate 520 to rotate.

[0070] Further, referring to Figure 5 and Figure 6 The fixed seat 510 is a hollow frame structure, and the two sides thereof are provided with first shaft holes 511. The rotating plate 520 is arranged in the hollow frame of the fixed seat 510, and the rotating plate 520 is provided with a first rotating shaft 521 fixedly arranged thereon. The two ends of the first rotating shaft 521 are respectively inserted into the two first shaft holes 511. The central axis of the first rotating shaft 521 is the second axis 5a. The third motor 530 is installed on the outer surface of the fixed seat 510 and is in transmission connection with the first rotating shaft 521 to drive the rotating plate 520 to rotate.

[0071] The third motor 530 can be a waterproof motor, for example, a motor with a protection level of IP68.

[0072] Generally, a needle bearing can be arranged in the first shaft hole 511, and the first rotating shaft 521 passes through the needle bearing to reduce the friction when the first rotating shaft 521 rotates and ensure the stability of the rotation.

[0073] In a preferred embodiment, rubber pads 670 are provided on the areas of the clamping plate 610 and the clamp plate 620 that are used to clamp the circuit board a, so as to avoid rigid contact with the circuit board a during clamping and damage the circuit board a.

[0074] In a preferred embodiment, referring to Figure 1 and Figure 2 , the first linear moving device 200 comprises a first screw shaft 220 and a first nut seat 230. The first nut seat 230 is sleeved on the first screw shaft 220 by thread cooperation, and the first moving block 210 is fixed with the first nut seat 230.

[0075] The second linear moving device 300 comprises a second screw shaft 320 and a second nut seat 330. The second nut seat 330 is sleeved on the second screw shaft 320 by thread cooperation, and the second moving block 310 is fixed with the second nut seat 330.

[0076] Wherein, one end of the first screw shaft 220 is connected with the output shaft of the first motor 100, and the first screw shaft 220 is coaxially connected with the second screw shaft 320, and the rotation directions of the threads of the two are opposite.

[0077] Further, referring to Figure 1 , one end of the first screw shaft 220 is installed on the first bearing seat 820 through the first bearing 810, and is also connected with the output shaft of the first motor 100 through the first coupling 710, and the other end is connected with one end of the connecting shaft 730 through the second coupling 720.

[0078] The connecting shaft 730 is installed on the second bearing seat 840 through the second bearing 830, and the other end of the connecting shaft 730 is connected with one end of the second screw shaft 320 through the third coupling 740.

[0079] The other end of the second screw shaft 320 is installed on the third bearing seat 860 through the third bearing 850.

[0080] Wherein, the first motor 100, the first bearing seat 820, the second bearing seat 840 and the third bearing seat 860 are all fixed on the frame 870.

[0081] Further, referring to Figure 1 , the first linear moving device 200 further comprises a first guide rod 240, and the second linear moving device 300 further comprises a second guide rod 340.

[0082] Two ends of the first guide rod 240 are fixed with the first bearing seat 810 and the second bearing seat 840 respectively, and the first moving block 210 is sleeved on the first guide rod 240 slidingly.

[0083] Therefore, the first linear moving device 200 and the second linear moving device 300 play a role of adjusting the interval between the two clamps 600 and the two supporting devices 500, so that the tooling jig of the utility model can be applicable to more width specifications of the circuit board a. When adjusting, the first motor 100 drives the first lead screw shaft 220 and the second lead screw shaft 320 to rotate synchronously, since the screw thread rotation directions of the first lead screw shaft 220 and the second lead screw shaft 320 are opposite, therefore the first nut seat 230 and the second nut seat 330 will move towards or away from each other, so that under the driving of the first moving block 210 and the second moving block 310, the two telescopic devices 400 will also move towards or away from each other, thereby the interval between the two clamps 600 and the two supporting devices 500 can be adjusted.

[0084] The working principle of the utility model is as follows:

[0085] Before electroplating, the length of the telescopic device 400 is adjusted in advance, so that the interval between the supporting device 500 and the clamp 600 matches the height dimension of the circuit board a to be electroplated, and the interval between the two telescopic devices 400 is adjusted in advance, so that the interval between the two clamps 600 and the two supporting devices 500 matches the width dimension of the circuit board a to be electroplated; in the initial state, the two clamping plates 620 are close to the corresponding backing plates 610 respectively, and the two rotating plates 520 are hidden in the hollow frame bodies of the corresponding fixed seats 510 respectively;

[0086] During the electroplating process, the two second motors 630 are started first, to drive the two clamping plates 620 to rotate upwards around the first axis 6a, so that the two clamping plates 620 are perpendicular to the corresponding backing plates 610 respectively; then, the mechanical hand moves the circuit board a to be electroplated, so that the two ends of the top of the circuit board a are close to the two backing plates 610 respectively; subsequently, the two second motors 630 are started, to make the two clamping plates 620 rotate downwards around the first axis 6a, to clamp the two ends of the top of the circuit board a respectively; immediately, the two third motors 530 are started again, to make the two rotating plates 520 rotate upwards around the second axis 5a, to contact the bottom of the circuit board a, to support the bottom of the circuit board a, and the clamped state diagram is as shown in Figure 7As shown; then, the circuit board a can be settled into the electroplating tank by other lifting mechanisms connected with the rack 870 for electroplating; after electroplating, the lifting mechanisms lift the circuit board a, then the third motor 530 works to reset the two rotating plates 520, the second motor 630 works to release the circuit board a, the manipulator takes away the circuit board a and transfers it to the subsequent process.

[0087] The first motor 100 drives the first linear moving device 200 and the second linear moving device 300, so that the two moving blocks 210 and 310 drive the two telescopic devices 400 to move horizontally and linearly in opposite directions or in the same direction, the adaptability adjustment of circuit boards with different width sizes can be realized; the length of the telescopic device 400 is adjustable, the adaptability adjustment of circuit boards with different height sizes can be realized; in addition, the support device 500 and the clamp 600 support and clamp the bottom and the top of the circuit board respectively, the support device 500 effectively disperses the stress of the clamp 600, and the failure rate of the clamp 600 in long-term use is reduced.

[0088] The preferred embodiments of the utility model are described above only, and are not used for limiting the utility model, for the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A plating fixture for circuit board manufacturing, characterized in that, The utility model relates to a circuit board automatic clamping device, which comprises the following parts: a first motor (100); a first linear moving device (200) connected with the first motor (100) at one end; the first linear moving device (200) is provided with a first moving block (210) driven by the first motor (100) to move horizontally and linearly; a second linear moving device (300) connected with the first linear moving device (200) at one end away from the first motor (100); the second linear moving device (300) is provided with a second moving block (310) driven by the first motor (100) to move horizontally and linearly synchronously with the first moving block (210) but in the opposite direction; two telescopic devices (400) arranged vertically and connected with the first moving block (210) and the second moving block (310) at the top respectively; two supporting devices (500) arranged at the bottom of the telescopic devices (400) respectively; the two supporting devices (500) are used for supporting the two ends of the bottom area of the circuit board respectively; two clamps (600) mounted at the upper area of the telescopic devices (400) respectively; the two clamps (600) are used for clamping the two ends of the top area of the circuit board respectively.

2. The plating tool for manufacturing a circuit board according to claim 1, wherein The clamp (600) comprises a backing plate (610), a clamping plate (620) and a second motor (630); the backing plate (610) is fixed on the upper part of the telescopic device (400); the clamping plate (620) is arranged in cooperation with the backing plate (610) and can rotate around a first axis (6a) to clamp or release the circuit board together with the backing plate (610); the second motor (630) is installed beside the backing plate (610) and used for driving the clamping plate (620) to rotate around the first axis (6a).

3. The plating tool for manufacturing a circuit board according to claim 2, wherein The telescopic device (400) comprises a fixed body (410), a movable body (420) and an adjusting bolt (430); the fixed body (410) is a hollow structure, and the top thereof is connected with the first moving block (210) or the second moving block (310); the upper part of the movable body (420) is inserted into the inner cavity of the fixed body (410) and can move along the extension direction of the fixed body (410) to change the length of the telescopic device (400); the adjusting bolt (430) is attached to the fixed body (410) and can lock or unlock the movable body (420) to limit or release the movement of the movable body (420) relative to the fixed body (410).

4. The plating tool for manufacturing a circuit board according to claim 3, wherein The supporting device (500) comprises a fixed seat (510), a rotating plate (520) and a third motor (530); the top of the fixed seat (510) is connected with the bottom of the movable body (420); The rotating plate (520) is installed on the fixed seat (510), and the rotating plate (520) can rotate relative to the fixed seat (510) around a second axis (5a) to be parallel to or perpendicular to the movable body (420); The third motor (530) is installed on the side of the fixed seat (510) and is used to drive the rotating plate (520) to rotate around the second axis (5a).

5. The plating tool for manufacturing a circuit board according to claim 4, wherein The fixed seat (510) is a hollow frame structure, which is provided with a first shaft hole (511); The rotating plate (520) is arranged in the hollow frame of the fixed seat (510); the rotating plate (520) is provided with a first rotating shaft (521) fixed thereto, and the first rotating shaft (521) is inserted into the first shaft hole (511); wherein the central axis of the first rotating shaft (521) is the second axis (5a); The third motor (530) is installed on the outer surface of the fixed seat (510); and the third motor (530) is in transmission connection with the first rotating shaft (521), so as to drive the rotating plate (520) to rotate around the second axis (5a).

6. The electroplating tooling jig for manufacturing a circuit board according to claim 2, wherein Each side of the backing plate (610) is provided with an axle seat (640); The clamping plate (620) is arranged on the opposite side of the backing plate (610), and the clamping plate (620) is provided with a second rotating shaft (621) fixed thereto, and the two ends of the second rotating shaft (621) are respectively inserted into the second shaft holes (641) of the two axle seats (640); wherein the central axis of the second rotating shaft (621) is the first axis (6a); The second motor (630) is installed on the mounting seat (650) and is in transmission connection with the second rotating shaft (621) through a gear transmission assembly (660); wherein the mounting seat (650) is fixed on the side of the backing plate (610) and shields the gear transmission assembly (660).

7. The electroplating tooling fixture of claim 2 wherein: The areas of the backing plate (610) and the clamping plate (620) for clamping the circuit board are provided with rubber pads (670).

8. The electroplating tooling fixture of claim 3, wherein the electroplating tooling fixture is configured to be used in the manufacture of a circuit board. The side surface of the movable body (420) is provided with a strip-shaped limiting groove (421) consistent with the extension direction of the movable body (420); The adjusting bolt (430) is threadedly connected to the side surface of the fixed body (410), and the end of the adjusting bolt (430) away from the nut extends into the inner cavity of the fixed body (410) and is embedded into the strip-shaped limiting groove (421) and abuts against the movable body (420).

9. The plating tool for manufacturing a circuit board according to any one of claims 1 to 8, wherein The first linear movement device (200) comprises a first lead screw shaft (220) and a first nut seat (230), the first nut seat (230) is sleeved on the first lead screw shaft (220) through thread cooperation, and the first moving block (210) is fixed with the first nut seat (230); The second linear moving device (300) comprises a second screw shaft (320) and a second nut seat (330), the second nut seat (330) is sleeved on the second screw shaft (320) through thread cooperation, and the second moving block (310) is fixed with the second nut seat (330); Wherein, one end of the first screw shaft (220) is connected with the output shaft of the first motor (100), and the first screw shaft (220) and the second screw shaft (320) are coaxially connected, and the rotation directions of the threads of the two are opposite.

10. The plating tool for manufacturing a circuit board according to claim 9, wherein One end of the first screw shaft (220) is installed on the first bearing seat (820) through the first bearing (810), and is connected with the output shaft of the first motor (100) through the first coupling (710), and the other end is connected with one end of the connecting shaft (730) through the second coupling (720); The connecting shaft (730) is installed on the second bearing seat (840) through the second bearing (830), and the other end of the connecting shaft (730) is connected with one end of the second screw shaft (320) through the third coupling (740); The other end of the second screw shaft (320) is installed on the third bearing seat (860) through the third bearing (850); Wherein, the first motor (100), the first bearing seat (820), the second bearing seat (840) and the third bearing seat (860) are fixed on the rack (870).

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