Coating machine for PCB (Printed Circuit Board)

Abstract

The utility model relates to the technical field of board coating machines, in particular to a coating machine for a PCB (Printed Circuit Board). The device comprises a machine body, a guide device is arranged on the surface of the machine body, the guide device comprises two fixing rods, the two fixing rods are fixedly connected with the surface of the machine body, a sliding rail is slidably connected to the arc face of each fixing rod, a guide plate is fixedly connected to one side of each sliding rail, and the guide plate is fixedly connected to the other side of each fixing rod. An elliptical plate is fixedly connected to the end, away from the machine body, of the fixing rod, an insertion rod is slidably inserted into the elliptical plate, a gear is fixedly connected to one end of the insertion rod, the gear is meshed with the toothed plate, the sliding rail is slidably connected with the surface of the machine body, a sliding hole is formed in one side of the guide plate, and a round rod is slidably connected to the inner wall of the sliding hole. The problems that it is difficult to guarantee that the PCBs advance in the consistent direction all the time in a manual pushing mode, the positions of the PCBs shift frequently, and coating work is interrupted frequently are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plate coating machine especially relates to a coating machine for PCB. BACKGROUND

[0002] In modern electronic manufacturing industry, printed circuit board (PCB) is an important component of various electronic equipment, and coating machine is mainly used for uniformly coating protective film, solder resist layer and other functional coating on the surface of PCB. These coatings not only improve the oxidation resistance and corrosion resistance of PCB, but also effectively reduce the risk of short circuit and electric leakage of circuit, thereby improving the reliability of the whole product.

[0003] A Chinese patent application CN202321271572.4 discloses a kind of coating equipment of PCB board, and its technical scheme points are: when the PCB board of different thickness needs to be coated, rotating adjusting screw makes lifting plate lift, and then the spacing between pressure roller and conveying roller is adjusted, so that the coating equipment can coat the PCB board of different thickness;The setting of threaded sleeve can increase the thickness of lifting plate, and then improve the moving distance of lifting plate;In addition, threaded sleeve increases the contact area between lifting plate and adjusting screw, improves the stability of the connection between lifting plate and adjusting screw;Coating is under the action of drainage plate It can be coated on the entire pressure roller, and then improve the effect of coating of pressure roller on PCB board.

[0004] In traditional PCB coating operation, PCB is usually manually pushed by artificial, however, the manual pushing mode is difficult to ensure that PCB always travels in consistent direction, resulting in frequent deviation of its position, leading to frequent interruption of coating work, and workers have to stop the operation in hand repeatedly, and re-adjust the position of PCB, thereby causing the output in unit time to be greatly reduced, which seriously affects production efficiency;Therefore, a kind of coating machine for PCB is proposed for the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings that the manual pushing mode is difficult to ensure that PCB always travels in consistent direction in prior art, resulting in frequent deviation of its position, leading to frequent interruption of coating work, and a kind of coating machine for PCB is proposed.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of coating machine for PCB, including machine body, the surface of the machine body is equipped with guiding device, the guiding device includes two fixed rods, two The fixed rod is fixedly connected with the surface of machine body, the circular arc surface of the fixed rod is slidably connected with slide rail, one side of the slide rail is fixedly connected with guide plate, the end of the fixed rod away from machine body is fixedly connected with oval plate, the oval plate is slidably inserted with inserting rod, one end of the inserting rod is fixedly connected with gear, the gear is engaged with toothed plate, the surface of the slide rail is slidably connected with machine body.

[0007] The effect achieved by the above components is that by setting the guiding device, the position of the PCB is guided, avoiding the manual pushing of the PCB by the staff during processing, which is difficult to ensure the consistency of the pushing direction every time, and is easy to cause the position deviation of the PCB during transmission, affecting the accuracy and quality of coating.

[0008] Preferably, one side of the guide plate is provided with a sliding hole, the inner wall of the sliding hole is slidably connected with a circular rod, the circular arc surface of the circular rod is fixedly connected with a rectangular plate, one end of the circular rod is fixedly connected with a rotating wheel, and the circular arc surface of the rotating wheel is fixedly connected with a plurality of limiting pads.

[0009] The effect achieved by the above components is that by the close cooperation of the rotating wheel and the limiting pad, uniform and stable pressure can be provided on the moving path of the PCB, preventing warping deformation due to local stress, and ensuring that the PCB always remains flat, providing a good foundation for subsequent processing procedures.

[0010] Preferably, one side of the guide plate is fixedly connected with a semicircular plate, a lead screw is threadedly inserted in the semicircular plate, and one end of the lead screw is rotatably connected with the rectangular plate.

[0011] The effect achieved by the above components is that the rotating lead screw rotates in the semicircular plate, the lead screw drives the rectangular plate to move, and the rectangular plate drives the circular rod to slide on the inner wall of the sliding hole, so as to adjust the position of the limiting pad according to the PCB of different thickness.

[0012] Preferably, one side of the guide plate is fixedly connected with an inclined plate, and the size of the circular rod is matched with the size of the sliding hole.

[0013] The effect achieved by the above components is that by setting the inclined plate, the staff can easily slide the PCB along the inclined plate into the specified transmission position.

[0014] Preferably, one end of the inserting rod is fixedly connected with a handle, and the circular arc surface of the handle is provided with a plurality of anti-skid grooves.

[0015] The effect achieved by the above components is that rotating the handle drives the insertion rod to rotate in the elliptical plate, the insertion rod drives the gear to rotate, and the gear drives the toothed plate to move, so that the staff can stably rotate the insertion rod and accurately control the distance of the toothed plate moving driven by the gear.

[0016] Preferably, the surface of the machine body is provided with a supporting device, the supporting device comprises two mounting plates, both of which are fixedly connected with the surface of the machine body, one side of both of the mounting plates close to each other is fixedly connected with a long rod, the arc surface of the long rod is rotatably connected with two connecting plates, one side of both of the connecting plates close to each other is fixedly connected with a setting rod, the arc surface of the setting rod is rotatably connected with an auxiliary wheel, the surface of the mounting plate is fixedly connected with a mounting block, a clamping rod is slidably inserted in the mounting block, one end of the clamping rod is fixedly connected with a placing plate, the arc surface of one end of the clamping rod, the arc surface of both sides of the connecting plate, and the surface of the connecting plate are provided with clamping holes.

[0017] The effect achieved by the above components is that the supporting device is provided to temporarily support the coated PCB board for the staff to take, avoid the staff to bend down or stretch the body excessively when taking the just coated PCB board due to the low position or unstable state of the PCB board, thereby reducing the physical burden of the staff and reducing the risk of PCB board damage caused by improper operation.

[0018] Preferably, the arc surface of the clamping rod is sleeved with a spring, both ends of the spring are fixedly connected with the mounting block and the placing plate.

[0019] The effect achieved by the above components is that one side of the connecting plate is extruded with the clamping rod until the clamping rod is aligned with the clamping hole of the connecting plate, and the spring drives the clamping rod to automatically insert into the clamping hole of the connecting plate to limit the position of the auxiliary wheel.

[0020] In summary, the beneficial effects of the present utility model are:

[0021] 1. In the present utility model, the guiding device is provided to guide the position of the PCB board, avoid the staff to manually push the PCB board for processing, and it is difficult to ensure that the direction of each push is completely consistent, which may cause the position of the PCB board to deviate in the transmission process, affecting the accuracy and quality of coating.

[0022] 2. In the present utility model, the supporting device is provided to temporarily support the coated PCB board for the staff to take, avoid the staff to bend down or stretch the body excessively when taking the just coated PCB board due to the low position or unstable state of the PCB board, thereby reducing the physical burden of the staff and reducing the risk of PCB board damage caused by improper operation. Attached Figure Description

[0023] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0024] Figure 2 This is a schematic diagram of the structure of this utility model from another angle;

[0025] Figure 3 This is a schematic diagram of the guiding device in this utility model;

[0026] Figure 4 This is a partial structural schematic diagram of the guiding device in this utility model;

[0027] Figure 5 This is a schematic diagram of the protective device in this utility model;

[0028] Figure 6 This is a partial structural diagram of the protective device in this utility model.

[0029] Legend: 1. Body; 2. Guiding device; 201. Fixing rod; 202. Slide rail; 203. Guide plate; 204. Gear plate; 205. Elliptical plate; 206. Insert rod; 207. Gear; 208. Sliding hole; 209. Round rod; 210. Rectangular plate; 211. Rotary wheel; 212. Limiting pad; 213. Semicircular plate; 214. Lead screw; 215. Handle; 3. Protective device; 31. Mounting plate; 32. Long rod; 33. Connecting plate; 34. Setting rod; 35. Auxiliary wheel; 36. Mounting block; 37. Locking rod; 38. Placement plate; 39. Spring. Detailed Implementation

[0030] Reference Figure 1 and Figure 2 As shown, this utility model provides a technical solution: a PCB coating machine, including a machine body 1. The surface of the machine body 1 is provided with a guiding device 2. By setting the guiding device 2, the position of the PCB board is guided, avoiding the problem of workers manually pushing the PCB board for processing. Because it is difficult to ensure that the direction of pushing the PCB board is completely consistent each time, it is easy to cause the position of the PCB board to shift during the transmission process, affecting the accuracy and quality of coating. The surface of the machine body 1 is provided with a support device. By setting the support device, the coated PCB board is temporarily supported, making it convenient for workers to pick up. This avoids the need for workers to bend over or overstretch their bodies when picking up the freshly coated PCB board because the PCB board is too low or in an unstable state, thereby reducing the physical burden on workers and reducing the risk of PCB board damage due to improper operation.

[0031] The specific settings and functions of the guiding device 2 and the protection device 3 will be described below.

[0032] Referring to Figure 3 and Figure 4 , in the embodiment: the guiding device 2 comprises two fixed rods 201, both of which are fixedly connected with the surface of the machine body 1, and the circular arc surface of the fixed rod 201 is slidingly connected with a sliding rail 202, one side of the sliding rail 202 is fixedly connected with a guiding plate 203, and the end of the fixed rod 201 away from the machine body 1 is fixedly connected with an elliptical plate 205, an insertion rod 206 is slidingly inserted into the elliptical plate 205, one end of the insertion rod 206 is fixedly connected with a gear 207, the gear 207 is engaged with a toothed plate 204, the sliding rail 202 is slidingly connected with the surface of the machine body 1, one side of the guiding plate 203 is provided with a sliding hole 208, the inner wall of the sliding hole 208 is slidingly connected with a circular rod 209, the circular arc surface of the circular rod 209 is fixedly connected with a rectangular plate 210, one end of the circular rod 209 is fixedly connected with a rotating wheel 211, the circular arc surface of the rotating wheel 211 is fixedly connected with a plurality of limiting pads 212, through the close cooperation of the rotating wheel 211 and the limiting pads 212, uniform and stable pressure can be provided on the moving path of the PCB board, preventing it from being warped and deformed due to local stress, and ensuring that the PCB board always remains flat, providing a good foundation for subsequent processing procedures, one side of the guiding plate 203 is fixedly connected with a semicircular plate 213, a lead screw 214 is threadedly inserted into the semicircular plate 213, one end of the lead screw 214 is rotatably connected with the rectangular plate 210, the lead screw 214 rotates in the semicircular plate 213, the lead screw 214 drives the rectangular plate 210 to move, and the rectangular plate 210 drives the circular rod 209 to slide on the inner wall of the sliding hole 208, so as to facilitate the staff to adjust the position of the limiting pads 212 according to the different thicknesses of the PCB board, one side of the guiding plate 203 is fixedly connected with an inclined plate 216, the size of the circular rod 209 is matched with the size of the sliding hole 208, through the setting of the inclined plate 216, the staff can easily slide the PCB board along the inclined plate 216 into the designated transmission position, one end of the insertion rod 206 is fixedly connected with a handle 215, and the circular arc surface of the handle 215 is provided with a plurality of anti-skid grooves. Rotating the handle 215 drives the insertion rod 206 to rotate in the elliptical plate 205, the insertion rod 206 drives the gear 207 to rotate, the gear 207 drives the toothed plate 204 to move, so as to facilitate the staff to stably rotate the insertion rod 206 and accurately control the moving distance of the toothed plate 204 driven by the gear 207.

[0033] Referring to Figure 5 and Figure 6As shown, specifically, the support device includes two mounting plates 31, both of which are fixedly connected to the surface of the body 1, and the side close to each other of the two mounting plates 31 is fixedly connected with a long rod 32, the arc surface of the long rod 32 is rotatably connected with two connecting plates 33, the side close to each other of the two connecting plates 33 is fixedly connected with a setting rod 34, the arc surface of the setting rod 34 is rotatably connected with an auxiliary wheel 35, the surface of the mounting plate 31 is fixedly connected with a mounting block 36, the mounting block 36 is slidably inserted with a clamping rod 37, one end of the clamping rod 37 is fixedly connected with a placing plate 38, the end of the clamping rod 37 is arc-shaped, the two sides of the connecting plate 33 are arc-shaped, the surface of the connecting plate 33 is provided with a clamping hole, the arc surface of the clamping rod 37 is sleeved with a spring 39, and both ends of the spring 39 are fixedly connected with the mounting block 36 and the placing plate 38. The side of the connecting plate 33 is extruded with the clamping rod 37 until the clamping rod 37 is aligned with the clamping hole of the connecting plate 33, and the spring 39 drives the clamping rod 37 to automatically insert into the clamping hole of the connecting plate 33 to limit the position of the auxiliary wheel 35.

[0034] Working principle, when the staff coats the PCB board, first adjust the position of the guide plate 203 according to the width of the PCB board, and adjust the height of the limiting pad 212 according to the thickness of the PCB board, rotate the handle 215 to drive the inserting rod 206 to rotate in the oval plate 205, the inserting rod 206 drives the gear 207 to rotate, the gear 207 drives the toothed plate 204 to move, the toothed plate 204 drives the sliding rail 202 to slide on the surface of the body 1, the sliding rail 202 drives the guide plate 203 to move, the guide plate 203 drives the inclined plate 216, after the width adjustment, rotate the lead screw 214 to rotate and move in the semicircular plate 213, the lead screw 214 drives the rectangular plate 210 to move, the rectangular plate 210 drives the round rod 209 to move, the round rod 209 drives the rotating wheel 211 to move, finally push the PCB board along the inclined plate 216 and move forward, then continuously move forward between the two guide plates 203, when the PCB board moves and slightly rubs with the limiting pad 212, the limiting pad 212 drives the rotating wheel 211 to rotate at this time, through the close cooperation of the rotating wheel 211 and the limiting pad 212, uniform and stable pressure can be provided on the moving path of the PCB board, preventing it from being warped due to local stress, ensuring that the PCB board always remains flat, providing a good foundation for subsequent processing procedures, and the PCB board continuously moves forward until the coating work is completed.

[0035] When the staff needs to temporarily support the PCB board, rotate the connecting plate 33 on the arc surface of the long rod 32 at this time, the connecting plate 33 is extruded with the clamping rod 37, the clamping rod 37 slides in the mounting block 36, at this time the spring 39 is in a stretched state, until the clamping rod 37 is aligned with the clamping hole of the connecting plate 33, the spring 39 drives the clamping rod 37 to slide in the mounting block 36, automatically inserts into the clamping hole of the connecting plate 33, and limits the position of the auxiliary wheel 35.

[0036] In the description of the utility model, it is to explain that, unless another explicit stipulation and limit, term " install " " link " " connection " should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electric connection, can be direct connection, also can pass through intermediate medium indirectly link, can be two element inside communication, for ordinary skilled person in the art, can understand the concrete meaning of above -mentioned term in the utility model through concrete case.

Claims

1. A coater for PCB board comprising a machine body (1), characterized in that: The surface of the machine body (1) is provided with a guide device (2), the guide device (2) comprises two fixed rods (201), two fixed rods (201) are fixedly connected with the surface of the machine body (1), the circular surface of the fixed rod (201) is slidably connected with a slide rail (202), one side of the slide rail (202) is fixedly connected with a guide plate (203), one end of the fixed rod (201) away from the machine body (1) is fixedly connected with an elliptical plate (205), the elliptical plate (205) is slidably inserted with a plug rod (206), one end of the plug rod (206) is fixedly connected with a gear (207), the gear (207) is engaged with a toothed plate (204), and the slide rail (202) is slidably connected with the surface of the machine body (1).

2. The coating machine for PCBs according to claim 1, characterized in that: One side of the guide plate (203) is provided with a sliding hole (208), the inner wall of the sliding hole (208) is slidably connected with a round rod (209), the circular surface of the round rod (209) is fixedly connected with a rectangular plate (210), one end of the round rod (209) is fixedly connected with a rotating wheel (211), and the circular surface of the rotating wheel (211) is fixedly connected with a plurality of limiting pads (212).

3. The coating machine for PCBs according to claim 1, characterized in that: One side of the guide plate (203) is fixedly connected with a semicircular plate (213), the semicircular plate (213) is threadedly inserted with a lead screw (214), and one end of the lead screw (214) is rotatably connected with the rectangular plate (210).

4. The coating machine for PCBs according to claim 2, characterized in that: One side of the guide plate (203) is fixedly connected with an inclined plate (216), and the size of the round rod (209) is matched with the size of the sliding hole (208).

5. The coating machine for PCBs according to claim 1, characterized in that: One end of the plug rod (206) is fixedly connected with a handle (215), and the circular surface of the handle (215) is provided with a plurality of anti-skid grooves.

6. The coating machine for PCBs according to claim 1, characterized in that: The surface of the machine body (1) is provided with a supporting device, the supporting device comprises two mounting plates (31), two mounting plates (31) are fixedly connected with the surface of the machine body (1), one side of two mounting plates (31) close to each other is fixedly connected with a long rod (32), the circular surface of the long rod (32) is rotatably connected with two connecting plates (33), one side of two connecting plates (33) close to each other is fixedly connected with a setting rod (34), the circular surface of the setting rod (34) is rotatably connected with an auxiliary wheel (35), the surface of the mounting plate (31) is fixedly connected with a mounting block (36), the mounting block (36) is slidably inserted with a clamping rod (37), one end of the clamping rod (37) is fixedly connected with a placing plate (38), one end of the clamping rod (37) is a circular surface, both sides of the connecting plate (33) are circular surfaces, and the surface of the connecting plate (33) is provided with a clamping hole.

7. The coating machine for PCBs according to claim 6, characterized in that: The circular surface of the clamping rod (37) is sleeved with a spring (39), and both ends of the spring (39) are fixedly connected with the mounting block (36) and the placing plate (38).

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