A PCB drilling machine with a circulating water-cooled moving magnet linear motor

Abstract

The present invention provides a circulating water-cooled moving magnet linear motor for a PCB drilling machine, which relates to the technical field of linear motors and includes a linear motor body. The linear motor body is installed on the upper surface of a connecting table, and a water-cooling mechanism for cooling the linear motor body is installed between the inside of the linear motor body and the connecting table. In the process of the linear motor body working in the present invention, the heat inside the linear motor body is absorbed and guided by a heat conduction plate and transmitted to the inside of a heat dissipation plate, and then the heat inside the heat dissipation plate is carried away by the circulating flow of water, so as to cool the inside of the linear motor body, keep the temperature inside the linear motor body stable all the time, make the permanent magnet mover always maintain a stable state during the moving process, drive the raw material to move better, and at the same time make it more convenient for the PCB drilling machine to process the raw material.

Description

Technical Field

[0001] The present invention relates to the technical field of linear motors, and more particularly, to a circulating water-cooled moving magnet linear motor for a PCB drilling machine. Background Art

[0002] A PCB drilling machine is a machine used in the drilling process of PCB processing. Small holes must be drilled on the PCB board before inserting components so that the pins of the components can be inserted, or to conduct the circuits on different layers up and down (VIA). As the integration level of PCB boards is getting higher and higher, the requirement for the hole diameter is getting "smaller". The current hole diameter is at the 0.1 mm level. During the use of a PCB drilling machine, generally a linear motor is used to drive the raw material to move, improving the accuracy of the raw material movement and making it more convenient for the PCB drilling machine to perform the drilling work. However, during the long-term operation of the linear motor, high temperature will be generated between the permanent magnet mover and the permanent magnet stator inside the linear motor, affecting the air-gap magnetic field between the permanent magnet mover and the permanent magnet stator, causing the position of the permanent magnet stator to shift during the process of driving the raw material to move, resulting in a decrease in the accuracy of the raw material movement position, and thus greatly reducing the drilling accuracy of the PCB drilling machine for the raw material. Summary of the Invention

[0003] In view of the deficiencies of the prior art, the present invention provides a circulating water-cooled moving magnet linear motor for a PCB drilling machine.

[0004] To achieve the above object, the technical solution adopted by the present invention is as follows:

[0005] A circulating water-cooled moving magnet linear motor for a PCB drilling machine, including a linear motor body. The linear motor body is installed on the upper surface of a connecting table, and the linear motor body is used to drive the raw material to move;

[0006] A placement plate for placing the raw material is installed at the upper end of the linear motor body;

[0007] A water-cooling mechanism for cooling the linear motor body is installed between the inside of the linear motor body and the connecting table.

[0008] Preferably, the linear motor body includes a chassis. The chassis is installed on the surface of the connecting table. A placement groove is provided at the lower end inside the chassis, and a moving groove is provided at the upper end of the chassis;

[0009] A number of permanent magnet stators are installed inside the placement groove, and there is a gap between the permanent magnet stators. Coils are installed at the upper ends of the permanent magnet stators.

[0010] Preferably, a mover frame is movably installed inside the moving groove, and a placement plate is installed at the upper end of the mover frame;

[0011] A permanent magnet mover is installed at the lower end inside the mover frame, and the permanent magnet mover and the permanent magnet stator repel each other magnetically;

[0012] Auxiliary grooves are respectively provided on the front and rear sides inside the moving groove. First connecting frames are respectively installed on the front and rear sides of the mover frame. The first connecting frames are respectively movably installed inside the auxiliary grooves. Roller wheels for assisting the mover frame to move are respectively movably installed at the lower ends of the first connecting frames, and the roller wheels are in mutual fit with the auxiliary grooves.

[0013] Preferably, the water cooling mechanism includes a flow groove which is provided at the lower end inside the chassis and is parallel to the placement groove;

[0014] A water storage tank is installed on the lower surface of the connecting platform, and the water storage tank is connected to the flow groove.

[0015] Preferably, a number of first grooves are respectively provided penetrating between the flow groove and the placement groove, and the first grooves correspond to each other one by one;

[0016] A number of heat conducting plates are respectively installed inside the placement groove, and the heat conducting plates are respectively located between the permanent magnet stators. Both ends of the heat conducting plates are respectively penetrated and installed inside the first grooves and the flow groove and are connected to the heat dissipation plates.

[0017] Preferably, first sealing grooves are respectively provided on both sides inside the first grooves. Sealing blocks are respectively fixedly installed on both sides of one end of the heat conducting plate located inside the first groove, and the sealing blocks are snap-fitted inside the first sealing grooves;

[0018] A number of auxiliary holes are respectively provided penetrating through the surface of the heat dissipation plate.

[0019] Preferably, a first water storage cavity and a second water storage cavity are respectively provided at the front and rear ends inside the water storage tank. A first connecting pipe and a second connecting pipe for controlling the circulating flow of water are respectively penetrated and installed between the first water storage cavity, the second water storage cavity and the flow groove.

[0020] Preferably, a regulating plate is installed inside the first water storage cavity. Through holes are respectively provided penetrating through both sides of the regulating plate. Auxiliary rods are respectively movably penetrated through the inside of the through holes. The auxiliary rods are fixedly installed inside the first water storage cavity. Second sealing grooves are respectively provided inside the through holes. Sealing rings are respectively installed inside the second sealing grooves, and the sealing rings are in mutual fit with the auxiliary rods.

[0021] Preferably, one end of the lower surface of the connecting platform is fixedly installed with a mounting frame. A push rod is movably installed inside the front end of the mounting frame. One end of the push rod movably penetrates through one side of the water storage tank and is connected to the regulation plate;

[0022] A second groove is provided at the upper end of the push rod. A number of first teeth are installed inside the second groove. A first gear is movably installed inside the front end of the mounting frame. The first gear is meshed with the first teeth. The first gear is connected to the output end of the motor. The motor is installed on the rear side of the mounting frame through a fixing frame.

[0023] Preferably, the end of the push rod away from the regulation plate is connected to the second connecting frame;

[0024] A rotating rod is movably penetrated and installed inside the second water storage cavity. The upper end of the rotating rod is connected to the rotating frame. A number of heat dissipation frames for assisting the water flow to dissipate heat are fixedly installed on the outer side of the rod body of the rotating frame;

[0025] The lower end of the rotating rod is connected to the second gear. The second gear is parallel to the lower end rod body of the second connecting frame. A number of second teeth are fixedly installed on the rear side of the lower end rod body of the second connecting frame. The second teeth are meshed with the second gear.

[0026] 1. During the operation of the linear motor body in the present invention, the heat inside the linear motor body is absorbed and guided by the heat conducting plate and transmitted to the inside of the heat dissipation plate, and then the heat inside the heat dissipation plate is taken away by the circulating flow of the water, so as to cool the inside of the linear motor body, keep the inside of the linear motor body at a stable temperature all the time, make the permanent magnet mover always maintain a stable state during the moving process, enable it to better drive the raw material to move, and at the same time make it more convenient for the PCB drilling machine to process the raw material.

[0027] 2. In the present invention, through the cooperation of the push rod and the regulation plate, the water flow is squeezed or attracted to realize the circulating flow of the water flow, so that the water flow can better cool the inside of the linear motor body. And during the movement of the push rod, the push rod will drive the rotating rod and the heat dissipation plate to rotate through the second connecting frame, so that the heat dissipation plate stirs the water flow inside the second water storage cavity, improves the heat dissipation efficiency inside the water flow, enables the water flow to discharge the heat more quickly, and thus enables the water flow to better cool the inside of the linear motor body. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of a circulating water-cooled moving magnet linear motor for a PCB drilling machine according to the present invention;

[0029] Figure 2 This is the front view structural schematic diagram of a circulating water-cooled moving magnet linear motor for a PCB drilling machine according to the present invention;

[0030] Figure 3 This is the side view structural schematic diagram of a circulating water-cooled moving magnet linear motor for a PCB drilling machine according to the present invention;

[0031] Figure 4 This is a circulating water-cooled moving magnet linear motor for a PCB drilling machine according to the present invention Figure 2 The sectional structural schematic diagram at A-A in;

[0032] Figure 5 This is a circulating water-cooled moving magnet linear motor for a PCB drilling machine according to the present invention Figure 3 The sectional structural schematic diagram at B-B in;

[0033] Figure 6 This is a circulating water-cooled moving magnet linear motor for a PCB drilling machine according to the present invention Figure 2 The sectional structural schematic diagram at C-C in;

[0034] Figure 7 This is a circulating water-cooled moving magnet linear motor for a PCB drilling machine according to the present invention Figure 3 The sectional structural schematic diagram at D-D in;

[0035] Figure 8 This is a circulating water-cooled moving magnet linear motor for a PCB drilling machine according to the present invention Figure 3 The sectional structural schematic diagram at E-E in;

[0036] Figure 9 This is a circulating water-cooled moving magnet linear motor for a PCB drilling machine according to the present invention Figure 3 The sectional structural schematic diagram at F-F in;

[0037] Figure 10 This is a circulating water-cooled moving magnet linear motor for a PCB drilling machine according to the present invention Figure 4 The enlarged structural schematic diagram at G in;

[0038] Figure 11 This is a circulating water-cooled moving magnet linear motor for a PCB drilling machine according to the present invention Figure 4 The enlarged structural schematic diagram at H in;

[0039] Figure 12 This is a circulating water-cooled moving magnet linear motor for a PCB drilling machine according to the present invention Figure 7 The enlarged structural schematic diagram at I in;

[0040] Figure 13 For a PCB drilling machine of the present invention, a circulating water-cooled moving magnet linear motor Figure 7 The enlarged structural schematic diagram at position J in

[0041] Figure 14 For a PCB drilling machine of the present invention, a circulating water-cooled moving magnet linear motor Figure 9 The enlarged structural schematic diagram at position K in

[0042] In the figure: 1. Linear motor body; 101. Underframe; 102. Placing groove; 103. Moving groove; 104. Permanent magnet stator; 105. Coil; 106. Rotor frame; 107. Auxiliary groove; 108. Permanent magnet rotor; 109. First connecting frame; 110. Roller; 2. Connecting table; 3. Water cooling mechanism; 301. Flow groove; 302. Heat conducting plate; 303. Heat dissipation plate; 304. Auxiliary hole; 305. Water storage tank; 306. First water storage cavity; 307. Second water storage cavity; 308. First connecting pipe; 309. Second connecting pipe; 310. Regulation plate; 311. Auxiliary rod; 312. First groove; 313. First sealing groove; 314. Sealing block; 315. Push rod; 316. Second groove; 317. First tooth; 318. First gear; 319. Mounting frame; 320. Motor; 321. Second connecting frame; 322. Second gear; 323. Second tooth; 324. Rotating rod; 325. Rotating frame; 326. Heat dissipation frame; 327. Through hole; 328. Second sealing groove; 329. Sealing ring; 4. Placing plate. Detailed implementation manners

[0043] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0044] As Figure 1 shown, a PCB drilling machine with a circulating water-cooled moving magnet linear motor includes a linear motor body 1. The linear motor body 1 is installed on the upper surface of the connecting table 2, and the linear motor body 1 is used to drive the raw material to move; a placing plate 4 for placing the raw material is installed at the upper end of the linear motor body 1; a water cooling mechanism 3 for cooling the linear motor body 1 is installed between the inside of the linear motor body 1 and the connecting table 2.

[0045] As Figure 4 And Figure 5As shown in the figure, the linear motor body 1 includes a chassis 101. The chassis 101 is installed on the surface of the connecting table 2. A placement groove 102 is provided at the lower end inside the chassis 101, and a moving groove 103 is provided at the upper end of the chassis 101. Inside the placement groove 102, a number of permanent magnet stators 104 are installed, and there are intervals between the permanent magnet stators 104. A coil 105 is installed at the upper end of the permanent magnet stator 104.

[0046] The user generates an air-gap magnetic field through the coil 105, the permanent magnet stator 104, and the permanent magnet mover 108, and the permanent magnet mover 108 drives the raw materials to perform feeding, processing, and discharging operations through the placement plate 4, which is more simple and convenient.

[0047] As Figure 4 And Figure 10 As shown in the figure, inside the moving groove 103, a mover frame 106 is movably installed. A placement plate 4 is installed at the upper end of the mover frame 106. A permanent magnet mover 108 is installed at the lower end inside the mover frame 106, and the permanent magnet mover 108 and the permanent magnet stator 104 are magnetically repulsive. Auxiliary grooves 107 are respectively provided on the front and rear sides inside the moving groove 103. First connecting frames 109 are respectively installed on the front and rear sides of the mover frame 106. The first connecting frames 109 are respectively movably installed inside the auxiliary grooves 107. Roller wheels 110 for assisting the mover frame 106 to move are respectively movably installed at the lower ends of the first connecting frames 109, and the roller wheels 110 are in mutual contact with the auxiliary grooves 107.

[0048] During the process that the permanent magnet mover 108 controls the mover frame 106 and the placement plate 4 to move through the change of the air-gap magnetic field, through the cooperation between the roller wheels 110 and the auxiliary grooves 107, the stability of the permanent magnet mover 108 during movement is improved, and at the same time, the moving speed of the permanent magnet mover 108 is also increased, so that the raw materials remain stable during movement or processing, and situations such as deviation are avoided.

[0049] As Figure 5 As shown in the figure, the water cooling mechanism 3 includes a flow groove 301. The flow groove 301 is provided at the lower end inside the chassis 101, and the flow groove 301 is parallel to the placement groove 102. A water storage tank 305 is installed on the lower surface of the connecting table 2, and the water storage tank 305 is connected to the flow groove 301.

[0050] The water cooling mechanism 3 is used to perform circulating water cooling on the inside of the linear motor body 1, to avoid the high temperature generated between the coil 105 and the permanent magnet stator 104 during the long-term working process of the linear motor body 1 from interfering with the air-gap magnetic field, resulting in situations such as deviation during the movement of the permanent magnet mover 108 through the air-gap magnetic field, and causing the movement accuracy of the permanent magnet mover 108 to decrease. Thus, the linear motor body 1 is better protected, and the linear motor body 1 can more stably transport the raw materials.

[0051] As Figure 4 , Figure 5 and Figure 13 shown, between the flow tank 301 and the placement tank 102, a number of first grooves 312 are respectively penetrated, and the first grooves 312 correspond to each other one by one; a number of heat conducting plates 302 are respectively installed inside the placement tank 102, and the heat conducting plates 302 are respectively located between the permanent magnet stators 104. Both ends of the heat conducting plate 302 are respectively penetrated and installed inside the first groove 312 and the flow tank 301 and are connected to the heat dissipation plate 303.

[0052] The heat conducting plate 302 is used to absorb and guide the heat generated when the permanent magnet stator 104 and the coil 105 work. Then the heat conducting plate 302 transfers the heat to the inside of the heat dissipation plate 303, and then the heat contained in the heat dissipation plate 303 is taken away by the water flow, so as to cool the space between the heat conducting plate 302 and the placement tank 102, avoid the generation of high temperature between the permanent magnet stator 104 and the coil 105, and keep the temperature inside the linear motor body 1 stable all the time.

[0053] As Figure 4 and Figure 13 shown, on both sides of the inside of the first groove 312, first sealing grooves 313 are respectively provided. On both sides of one end of the heat conducting plate 302 located inside the first groove 312, sealing blocks 314 are respectively fixedly installed, and the sealing blocks 314 are snap-fitted inside the first sealing grooves 313; a number of auxiliary holes 304 are respectively penetrated on the surface of the heat dissipation plate 303.

[0054] Through the cooperation of the sealing block 314 and the first sealing groove 313, the water flow inside the flow tank 301 is isolated, so that the water flow cannot enter the inside of the placement tank 102 through the first groove 312, thus better protecting the linear motor body 1 and avoiding situations such as electric shock and short circuit.

[0055] Then the auxiliary holes 304 are used to increase the speed of the water flow taking away the heat inside the heat dissipation plate 303 and improve the cooling effect inside the placement tank 102.

[0056] As Figure 8 and Figure 9 shown, at the front and rear ends inside the water storage tank 305, a first water storage cavity 306 and a second water storage cavity 307 are respectively provided. A first connecting pipe 308 and a second connecting pipe 309 for controlling the circulating flow of the water flow are respectively penetrated and installed between the first water storage cavity 306 and the second water storage cavity 307 and the flow tank 301.

[0057] At the beginning, the water flow is inside the first water storage cavity 306. At this time, there is no water flow inside the second water storage cavity 307. Then, through the push of the regulation plate 310, the water flow enters the inside of the flow groove 301 through the first connecting pipe 308. Then, through the flow of the water flow, the heat inside the heat dissipation plate 303 is carried away, thereby cooling the inside of the placement groove 102. Then the water flow will enter the inside of the second water storage cavity 307 through the second connecting pipe 309;

[0058] Then when all the water flow inside the first water storage cavity 306 enters the inside of the second water storage cavity 307, the regulation plate 310 will move backward, making the pressure inside the first water storage cavity 306 less than that inside the flow groove 301 and the second water storage cavity 307. At this time, the water flow will flow into the inside of the first water storage cavity 306 through the pressure difference, thus forming a water flow circulation cooling, which is more simple and convenient.

[0059] As Figure 7 shown in Figure 14 As shown in the figure, inside the first water storage cavity 306, a regulation plate 310 is installed. Through holes 327 are respectively provided through both sides of the regulation plate 310. Inside the through holes 327, auxiliary rods 311 are respectively movably installed through. The auxiliary rods 311 are fixedly installed inside the first water storage cavity 306. Second sealing grooves 328 are respectively provided inside the through holes 327. Inside the second sealing grooves 328, sealing rings 329 are respectively installed, and the sealing rings 329 are in mutual contact with the auxiliary rods 311.

[0060] The working process of the regulation plate 310 and the first water storage cavity 306 is similar to the use process of a syringe. By pushing the regulation plate 310 into the inside of the first water storage cavity 306, the water flow is pushed into the inside of the flow groove 301 and the second water storage cavity 307. Then when the regulation plate 310 is pulled outward, the water flow is re-sucked into the inside of the first water storage cavity 306 through the pressure difference, thus realizing the circulating flow cooling work of the water flow;

[0061] Then the auxiliary rods 311 are used to assist the regulation plate 310 in moving, so that the regulation plate 310 can avoid deviation and other situations during the moving process, and better ensure the sealing performance between the regulation plate 310 and the inner wall of the first water storage cavity 306. Then the sealing rings 329 are used to block and seal the water flow, avoiding water flow leakage through the through holes 327 and unstable pressure difference, so as to more conveniently carry out the circulating cooling work of the water cooling mechanism 3.

[0062] As Figure 5 shown in Figure 7 and Figure 12As shown in the figure, one end of the lower surface of the connecting platform 2 is fixedly installed with a mounting frame 319. A push rod 315 is movably installed inside the front end of the mounting frame 319. One end of the push rod 315 movably penetrates through one side of the water storage tank 305 and is connected to the regulating plate 310; a second groove 316 is provided at the upper end of the push rod 315, and a number of first teeth 317 are installed inside the second groove 316. A first gear 318 is movably installed inside the front end of the mounting frame 319. The first gear 318 is meshed with the first teeth 317, and the first gear 318 is connected to the output end of the motor 320. The motor 320 is installed on the rear side of the mounting frame 319 through a fixing frame.

[0063] The motor 320 drives the first gear 318 to rotate, so that the first gear 318 drives the push rod 315 to move into the first water storage chamber 306 through the first teeth 317, causing the push rod 315 to drive the regulating plate 310 to squeeze and push the water flow, allowing the water flow to enter the flow groove 301 and the second water storage chamber 307.

[0064] Then, when it is necessary to make the water flow return to the first water storage chamber 306 again, the motor 320 drives the first gear 318 to rotate in the reverse direction, so that the first gear 318 drives the push rod 315 to move outwards through the first teeth 317, causing the push rod 315 to drive the regulating plate 310 to move, making the pressure between the regulating plate 310 and the first water storage chamber 306 less than that inside the flow groove 301 and the second water storage chamber 307. Then the water flow will flow in the reverse direction and return to the first water storage chamber 306 again.

[0065] Such as Figure 3 、 Figure 7 And Figure 11 As shown in the figure, one end of the push rod 315 away from the regulating plate 310 is connected to the second connecting frame 321; a rotating rod 324 is movably penetrated through the second water storage chamber 307. The upper end of the rotating rod 324 is connected to the rotating frame 325. A number of heat dissipation frames 326 for assisting the water flow to dissipate heat are fixedly installed on the outer side of the rod body of the rotating frame 325; the lower end of the rotating rod 324 is connected to the second gear 322. The second gear 322 is parallel to the lower end rod body of the second connecting frame 321. A number of second teeth 323 are fixedly installed on the rear side of the lower end rod body of the second connecting frame 321. The second teeth 323 are meshed with the second gear 322.

[0066] When the push rod 315 moves, the push rod 315 will drive the second connecting frame 321 to move with it, so that the second connecting frame 321 drives the second gear 322 and the rotating rod 324 to rotate through the second tooth 323, and the rotating rod 324 drives the rotating frame 325 and the heat dissipation frame 326 to rotate, so that the heat dissipation frame 326 can stir the water flow, improve the dissipation efficiency of the heat contained in the water flow, and allow the water flow to discharge the heat more quickly and more conveniently.

[0067] The working principle of this kind of moving magnet linear motor with circulating water cooling for PCB drilling machine:

[0068] When in use, the user first places the raw material on the surface of the placement plate 4, and then drives the placement plate 4 to move through the linear motor body 1. At the same time, during the operation of the linear motor body 1, the motor 320 drives the first gear 318 to rotate, so that the first gear 318 drives the push rod 315 to move toward the inside of the first water storage chamber 306 through the first tooth 317, so that the push rod 315 drives the regulating plate 310 to squeeze and push the water flow, allowing the water flow to enter the flow groove 301 and the second water storage chamber 307. At the same time, the heat conducting plate 302 absorbs and guides the heat generated by the permanent magnet stator 104 and the coil 105 during operation, and then the heat conducting plate 302 transfers the heat to the inside of the heat sink 303, allowing the flowing water flow to take away the heat contained in the heat sink 303.

[0069] Then, when the water flows into the second water storage chamber 307, the second connecting frame 321 moves along with the push rod 315, so that the second connecting frame 321 drives the second gear 322 and the rotating rod 324 to rotate through the second teeth 323, and the rotating rod 324 drives the rotating frame 325 and the heat dissipation frame 326 to rotate, so that the heat dissipation frame 326 stirs the water flow, thereby improving the efficiency of heat dissipation in the water flow;

[0070] Then, when it is necessary to make the water flow back to the first water storage chamber 306, the motor 320 drives the first gear 318 to rotate in the opposite direction, so that the first gear 318 drives the push rod 315 to move outward through the first tooth 317, and the push rod 315 drives the control plate 310 to move, so that the pressure between the control plate 310 and the first water storage chamber 306 is less than the pressure inside the flow groove 301 and the second water storage chamber 307, and the water will flow in the opposite direction and return to the first water storage chamber 306, forming a repeated circulation of water flow, so that the water flow can cool the linear motor body 1 more quickly.

[0071] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, rather than limitations on the implementation manners of the present invention. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is impossible to list all the implementation manners here. Any obvious changes or modifications derived from the technical solutions of the present invention still fall within the protection scope of the present invention.

Claims

1. A circulating water-cooled moving magnet linear motor for a PCB drilling machine, comprising a linear motor body (1), characterized in that: The linear motor body (1) is installed on the upper surface of the connection table (2), and the linear motor body (1) is used to drive the raw material to move; A placement plate (4) for placing the raw material is installed at the upper end of the linear motor body (1); A water cooling mechanism (3) for cooling the linear motor body (1) is installed between the inside of the linear motor body (1) and the connection table (2). The water cooling mechanism (3) includes a flow groove (301). The flow groove (301) is arranged at the lower end inside the chassis (101), and the flow groove (301) is parallel to the placement groove (102); A water storage tank (305) is installed on the lower surface of the connection table (2). The water storage tank (305) is connected to the flow groove (301). The front and rear ends inside the water storage tank (305) are respectively provided with a first water storage cavity (306) and a second water storage cavity (307). A first connecting pipe (308) and a second connecting pipe (309) for controlling the circulating flow of water are respectively installed through the first water storage cavity (306) and the second water storage cavity (307) and the flow groove (301). A regulating plate (310) is installed inside the first water storage cavity (306). Through holes (327) are respectively arranged through both sides of the regulating plate (310). Auxiliary rods (311) are respectively installed through the inside of the through holes (327) in a movable manner. The auxiliary rods (311) are fixedly installed inside the first water storage cavity (306). Second sealing grooves (328) are respectively arranged inside the through holes (327). Sealing rings (329) are respectively installed inside the second sealing grooves (328), and the sealing rings (329) are in contact with the auxiliary rods (311). One end of the lower surface of the connection table (2) is fixedly installed with a mounting frame (319). A push rod (315) is movably installed inside the front end of the mounting frame (319). One end of the push rod (315) movably penetrates through one side of the water storage tank (305) and is connected to the regulating plate (310); A second groove (316) is arranged at the upper end of the push rod (315). A number of first teeth (317) are installed inside the second groove (316). A first gear (318) is movably installed inside the front end of the mounting frame (319). The first gear (318) is meshed with the first teeth (317). The first gear (318) is connected to the output end of the motor (320). The motor (320) is installed at the rear side of the mounting frame (319) through a fixing frame. One end of the push rod (315) away from the regulating plate (310) is connected to a second connecting frame (321); A rotating rod (324) is movably installed through the inside of the second water storage cavity (307). The upper end of the rotating rod (324) is connected to a rotating frame (325). A number of heat dissipation frames (326) for assisting the water flow to dissipate heat are fixedly installed on the outer side of the rod body of the rotating frame (325); The lower end of the rotating rod (324) is connected to the second gear (322). The second gear (322) is parallel to the lower rod body of the second connecting frame (321). A number of second teeth (323) are fixedly installed on the rear side of the lower rod body of the second connecting frame (321). The second teeth (323) are meshed with the second gear (322).

2. A circulating water-cooled moving magnet linear motor for a PCB drilling machine according to claim 1, characterized in that: The linear motor body (1) includes a chassis (101). The chassis (101) is installed on the surface of the connecting platform (2). A placement groove (102) is provided at the lower end inside the chassis (101). A moving groove (103) is provided at the upper end of the chassis (101). A number of permanent magnet stators (104) are installed inside the placement groove (102), and there are intervals between the permanent magnet stators (104). A coil (105) is installed at the upper end of the permanent magnet stator (104).

3. A circulating water-cooled moving magnet linear motor for a PCB drilling machine according to claim 2, characterized in that: A mover frame (106) is movably installed inside the moving groove (103). A placement plate (4) is installed at the upper end of the mover frame (106). A permanent magnet mover (108) is installed at the lower end inside the mover frame (106). The permanent magnet mover (108) is magnetically repulsive to the permanent magnet stator (104). Auxiliary grooves (107) are respectively provided on the front and rear sides inside the moving groove (103). First connecting frames (109) are respectively installed on the front and rear sides of the mover frame (106). The first connecting frames (109) are respectively movably installed inside the auxiliary grooves (107). Roller wheels (110) for assisting the mover frame (106) to move are respectively movably installed at the lower ends of the first connecting frames (109). The roller wheels (110) are in mutual contact with the auxiliary grooves (107).

4. A circulating water-cooled moving magnet linear motor for a PCB drilling machine according to claim 1, characterized in that: A number of first grooves (312) are respectively penetrated between the flow groove (301) and the placement groove (102), and the first grooves (312) correspond to each other one by one. A number of heat conducting plates (302) are respectively installed inside the placement groove (102), and the heat conducting plates (302) are respectively located between the permanent magnet stators (104). Both ends of the heat conducting plate (302) are respectively penetrated and installed inside the first groove (312) and the flow groove (301) and are connected to the heat dissipation plate (303).

5. A circulating water-cooled moving magnet linear motor for a PCB drilling machine according to claim 4, characterized in that: First sealing grooves (313) are respectively provided on both sides inside the first groove (312). Sealing blocks (314) are respectively fixedly installed on both sides of one end of the heat conducting plate (302) located inside the first groove (312). The sealing blocks (314) are snap-fitted inside the first sealing grooves (313). A number of auxiliary holes (304) are respectively penetrated on the surface of the heat dissipation plate (303).

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