Liquid coating equipment for circuit board processing

Abstract

The utility model discloses liquid coating equipment for circuit board processing, which relates to the field of circuit board processing and comprises a fixed plate, a fixed frame and a movable hanger plate, an electric push rod is arranged on the inner side of the top of the fixed plate, one end of the electric push rod is fixedly connected with a support plate, and a limiting assembly is arranged on the inner side of the support plate. The limiting assembly comprises a small motor, a limiting two-way screw, a chain wheel, a transmission chain, a sliding block and a connecting plate. According to the liquid coating equipment for circuit board processing, by arranging a limiting assembly, a rectangular clamping plate, an adjusting assembly and a second spring, a circuit board is limited, the situation that the liquid coating result is affected due to deviation in the subsequent liquid coating process is avoided, force is buffered when the circuit board is clamped, and the situation that the circuit board is damaged due to the large clamping force is avoided; and meanwhile, the descending inertia force is buffered, so that the surface of the circuit board is prevented from being damaged by the descending inertia force, and workers can conveniently use the liquid coating equipment.

Description

Technical Field

[0001] The utility model relates to the field of circuit board processing, in particular to liquid coating equipment for circuit board processing. Background Art

[0002] A circuit board, also known as a printed circuit board, is a support that connects electronic components and circuits together. It is used to realize functions such as layout design of complex circuits and electrical signal transmission in electrical and electronic equipment. When processing a circuit board, the surface of the circuit board needs to be coated with liquid, and the staff usually use liquid coating equipment for processing.

[0003] However, the current coating equipment still has some shortcomings. For example, a coating equipment for circuit board processing with application number 202223163280.7 has not yet fully considered the circuit board limiting structure of the coating equipment. In the process of using the coating equipment to process the circuit board during circuit board processing, if the coating equipment does not fully consider the circuit board limiting structure, the subsequent coating may be offset and the coating result may be affected, the coating process cannot be carried out smoothly, and it is inconvenient for the staff to use the coating equipment.

[0004] Therefore, it is urgent to improve this shortcoming. The utility model studies and improves the existing structure and shortcomings, and provides a coating device for circuit board processing. Utility Model Content

[0005] The purpose of the utility model is to provide a coating device for circuit board processing to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a coating device for circuit board processing, comprising a fixed plate, a fixed frame and a movable hanging plate, an electric push rod is arranged on the inner side of the top of the fixed plate, and one end of the electric push rod is fixedly connected to a support plate, and a limiting assembly is arranged on the inner side of the support plate, and the limiting assembly includes a small motor, a limiting bidirectional screw, a sprocket, a transmission chain, a sliding block and a connecting plate, the fixed frame is welded to the upper rear side of the fixed plate, and a telescopic part is arranged on the inner side of the fixed frame, and an adjusting assembly is arranged on the rear side of the telescopic part, and the adjusting assembly includes a driving motor, a limiting screw, a first connecting block, a second connecting block and a fixed cross plate, the movable hanging plate is arranged below the telescopic part, and a coating roller is arranged below the movable hanging plate.

[0007] Furthermore, a sliding block is welded on the bottom of the support plate, and a locking strip is welded on the inner side of the top of the fixed plate, and the sliding block is locked and slid above the fixed plate through the locking strip.

[0008] Furthermore, the small motor is arranged on one side of the support plate, and the output shaft of the small motor is fixedly connected to a limiting bidirectional screw through a coupling, and the number of the limiting bidirectional screws is two, and the end outer walls of the two limiting bidirectional screws are fixedly connected with sprockets, and the sprockets are arranged on the outer side of the support plate.

[0009] Furthermore, the outer side of the sprocket is rotatably connected to a transmission chain, and the outer sides of both ends of the limiting bidirectional screw are rotatably connected to sliding blocks, and the sliding blocks are slidably connected to the inner side of the support plate, and a connecting plate is welded to the top of the sliding block.

[0010] Furthermore, rectangular clamping plates are provided on both sides of the connecting plate, and the bottom of the rectangular clamping plates is slidably connected to the top of the supporting plate, and a connecting rod is fixedly connected between the rectangular clamping plates, and the connecting rod is connected through the connecting plate, and a first spring is provided on the outer side of one end of the connecting rod.

[0011] Furthermore, the drive motor is arranged on the outside of the fixed frame, and the output shaft of the drive motor is fixedly connected to the limit screw through a coupling, and the outside of the limit screw is rotatably connected to the first connecting block, and the second connecting blocks are welded on the upper and lower sides of the first connecting block.

[0012] Furthermore, the first connecting block and the second connecting block are both welded to the back of the telescopic member, and a fixed transverse plate is connected through the center of the second connecting block, and both ends of the fixed transverse plate are welded to the inner side wall of the fixed frame.

[0013] Furthermore, the four corners of the top of the movable hanging plate are welded with limiting rods, and the top end of the limiting rod is connected with the telescopic member through and through, and a second spring is arranged on the outside of the limiting rod, and the second spring is arranged at the bottom of the telescopic member.

[0014] The utility model provides a liquid coating device for circuit board processing, which has the following beneficial effects:

[0015] 1. The utility model is provided with a limit assembly and a rectangular clamping plate. When the circuit board is processed by the coating equipment, the connecting plate is used to move the rectangular clamping plate, so that the rectangular clamping plate limits the circuit board, which is convenient for the subsequent coating treatment of the circuit board, avoiding the displacement during the subsequent coating and affecting the coating result. When the circuit board is clamped, the force is buffered to avoid damage to the circuit board due to the large clamping force, and the circuit board is protected to a certain extent, which is convenient for the staff to process the circuit board later and the staff to use the coating equipment.

[0016] 2. The utility model is provided with an adjustment component and a second spring. When the circuit board is processed by the coating equipment, the movement of the first connecting block and the second connecting block drives the telescopic member to move, so that the coating range is more comprehensive. At the same time, when the telescopic member descends, the second spring is used for buffering to prevent the inertial force of the descent from damaging the surface of the circuit board. The structure is simple, and it is convenient for the staff to use the coating equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the appearance of a three-dimensional structure of a coating device for circuit board processing according to the utility model;

[0018] Figure 2 This is a three-dimensional bottom-up structural schematic diagram of a liquid coating device for circuit board processing according to the utility model;

[0019] Figure 3 This is a schematic diagram of the disassembled three-dimensional structure of a support plate-rectangular cardboard of a coating device for circuit board processing according to the utility model;

[0020] Figure 4 The utility model is a coating device for circuit board processing Figure 3 A schematic diagram of the structure enlargement in the middle;

[0021] Figure 5 The utility model is a schematic diagram of the disassembled three-dimensional structure of a telescopic part-liquid coating roller of a liquid coating device for circuit board processing.

[0022] In the figure: 1. fixed plate; 2. electric push rod; 3. support plate; 4. sliding block; 5. locking strip; 6. limit assembly; 601. small motor; 602. limit bidirectional screw; 603. sprocket; 604. transmission chain; 605. sliding block; 606. connecting plate; 7. rectangular clamping plate; 8. connecting rod; 9. first spring; 10. fixed frame; 11. telescopic part; 12. adjustment assembly; 1201. driving motor; 1202. limit screw; 1203. first connecting block; 1204. second connecting block; 1205. fixed horizontal plate; 13. movable hanging plate; 14. limit rod; 15. second spring; 16. coating roller. DETAILED DESCRIPTION

[0023] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0024] like Figure 1-Figure 4As shown, a coating device for circuit board processing comprises a fixed plate 1, a fixed frame 10 and a movable hanging plate 13, an electric push rod 2 is arranged on the inner side of the top of the fixed plate 1, and one end of the electric push rod 2 is fixedly connected to the support plate 3, a sliding block 4 is welded on the bottom of the support plate 3, and a snap-fit ​​strip 5 is welded on the inner side of the top of the fixed plate 1, and the sliding block 4 is snap-fitted and slid on the top of the fixed plate 1 through the snap-fit ​​strip 5, so as to facilitate the movement of the support plate 3 and facilitate the staff to place the circuit board, and a limiting assembly 6 is arranged on the inner side of the support plate 3, and the limiting assembly 6 comprises a small motor 601, a limiting bidirectional screw 602, a sprocket 603, a transmission chain 604, a sliding block 605 and a connecting plate 606, the small motor 601 is arranged on one side of the support plate 3, and the output shaft of the small motor 601 is fixedly connected to the limiting bidirectional screw 602 through a coupling, and the number of the limiting bidirectional screws 602 is two, and the two limiting bidirectional screws 602 are The outer wall of the end of the screw rod 602 is fixedly connected with a sprocket 603, and the sprocket 603 is arranged on the outer side of the support plate 3. The outer side of the sprocket 603 is rotatably connected with a transmission chain 604, and the outer sides of both ends of the limiting bidirectional screw rod 602 are rotatably connected with sliding blocks 605, and the sliding blocks 605 are engaged and slidably connected to the inner side of the support plate 3, and a connecting plate 606 is welded on the top of the sliding block 605 to limit the circuit board to avoid displacement during subsequent coating and affecting the coating result. Rectangular clamping plates 7 are arranged on both sides of the connecting plate 606, and the bottom of the rectangular clamping plate 7 is engaged and slidably connected with the top of the support plate 3, and a connecting rod 8 is fixedly connected between the rectangular clamping plates 7, and the connecting rod 8 is connected with the connecting plate 606 through, and at the same time, a first spring 9 is arranged on the outer side of one end of the connecting rod 8 to buffer the force when clamping the circuit board to avoid damage to the circuit board caused by a large clamping force, so as to facilitate the use of the coating equipment by the staff.

[0025] like Figure 1 , Figure 2 and Figure 5As shown, the fixed frame 10 is welded to the upper rear side of the fixed plate 1, and a telescopic member 11 is arranged on the inner side of the fixed frame 10, and an adjusting assembly 12 is arranged on the rear side of the telescopic member 11, and the adjusting assembly 12 includes a driving motor 1201, a limiting screw rod 1202, a first connecting block 1203, a second connecting block 1204 and a fixed cross plate 1205, the driving motor 1201 is arranged on the outer side of the fixed frame 10, and the output shaft of the driving motor 1201 is fixedly connected to the limiting screw rod 1202 through a coupling, and the outer side of the limiting screw rod 1202 is rotatably connected to the first connecting block 1203, and the second connecting block 1204 is welded on the upper and lower sides of the first connecting block 1203, and the first connecting block 1203 and The second connecting blocks 1204 are all welded to the back of the telescopic part 11, and the center of the second connecting blocks 1204 is connected with a fixed horizontal plate 1205, and the two ends of the fixed horizontal plate 1205 are welded to the inner wall of the fixed frame 10, so that the coating range is more comprehensive, and the movable hanging plate 13 is arranged below the telescopic part 11, and the top four corners of the movable hanging plate 13 are welded with limiting rods 14, and the top of the limiting rod 14 is connected with the telescopic part 11, and a second spring 15 is arranged on the outside of the limiting rod 14, and the second spring 15 is arranged at the bottom of the telescopic part 11, and the second spring 15 is used for buffering to prevent the downward inertia force from damaging the surface of the circuit board, and a coating roller 16 is arranged below the movable hanging plate 13.

[0026] In summary, the coating equipment for circuit board processing is based on Figure 1-Figure 5, in the process of using the coating equipment to process the circuit board during circuit board processing, first, the staff places the circuit board on the top of the support plate 3, and uses the small motor 601 in the limiting assembly 6 to drive the limiting bidirectional screw 602 to rotate, and uses the sprocket 603 and the transmission chain 604 to make the two limiting bidirectional screws 602 rotate synchronously, so that the sliding block 605 connected to the outer side of the limiting bidirectional screw 602 is synchronously moved. With the movement of the sliding block 605, the connecting plate 606 welded on the top of the sliding block 605 also moves along and gradually approaches the side of the circuit board. With the movement of the connecting plate 606, the rectangular clamping plate 7 set on the side of the connecting plate 606 is first in contact with the side of the circuit board, and the first spring 9 set on the outer side of one end of the connecting rod 8 is used to buffer the clamping force to prevent the side of the circuit board from being damaged by excessive pressure. When the circuit board is limited, the electric The push rod 2 moves the support plate 3 to the inner side of the fixed frame 10, and uses the telescopic part 11 to drive the coating roller 16 to move downward. At the same time, the adjusting component 12 is used to change the position of the telescopic part 11, and the driving motor 1201 is used to drive the limiting screw rod 1202 to rotate, so that the first connecting block 1203 rotates on the outside of the limiting screw rod 1202. Because the second connecting block 1204 welded on the upper and lower sides of the first connecting block 1203 passes through the outside of the fixed cross plate 1205, the first connecting block 1203 is restricted and will not twist, so that the first connecting block 1203 is moving horizontally, so that the telescopic part 11 also moves horizontally, so that the coating range is wider. In addition, during the coating process, the second spring 15 arranged on the outside of the limiting rod 14 at the top of the movable hanging plate 13 buffers the descending inertia force to avoid damage to the surface of the circuit board, which is convenient for the staff to use the coating equipment.

[0027] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A coating device for circuit board processing, comprising a fixed plate (1), a fixed frame (10) and a movable hanging plate (13), characterized in that: An electric push rod (2) is arranged on the inner side of the top of the fixing plate (1), and one end of the electric push rod (2) is fixedly connected to the support plate (3), and a limiting assembly (6) is arranged on the inner side of the support plate (3), and the limiting assembly (6) includes a small motor (601), a limiting bidirectional screw rod (602), a sprocket (603), a transmission chain (604), a sliding block (605) and a connecting plate (606), and the fixing frame (10) is welded to the upper rear side of the fixing plate (1). A telescopic member (11) is arranged on the inner side of the fixed frame (10), and an adjustment assembly (12) is arranged on the rear side of the telescopic member (11), and the adjustment assembly (12) comprises a driving motor (1201), a limiting screw rod (1202), a first connecting block (1203), a second connecting block (1204) and a fixed transverse plate (1205), the movable hanging plate (13) is arranged below the telescopic member (11), and a coating roller (16) is arranged below the movable hanging plate (13).

2. A coating device for circuit board processing according to claim 1, characterized in that: A sliding block (4) is welded to the bottom of the support plate (3), and a snap-fit ​​strip (5) is welded to the inner side of the top of the fixed plate (1), and the sliding block (4) snaps and slides above the fixed plate (1) via the snap-fit ​​strip (5).

3. The coating equipment for circuit board processing according to claim 1, characterized in that: The small motor (601) is arranged on one side of the support plate (3), and the output shaft of the small motor (601) is fixedly connected to a limiting bidirectional screw (602) via a coupling, and the number of the limiting bidirectional screws (602) is two, and the end outer walls of the two limiting bidirectional screws (602) are fixedly connected to a sprocket (603), and the sprocket (603) is arranged on the outer side of the support plate (3).

4. The coating device for circuit board processing according to claim 1, characterized in that: The outer side of the sprocket (603) is rotatably connected to a transmission chain (604), and the outer sides of both ends of the limiting bidirectional screw (602) are rotatably connected to sliding blocks (605), and the sliding blocks (605) are engaged and slidably connected to the inner side of the support plate (3), and a connecting plate (606) is welded to the top of the sliding block (605).

5. The coating device for circuit board processing according to claim 1, characterized in that: Rectangular clamping plates (7) are provided on both sides of the connecting plate (606), and the bottom of the rectangular clamping plate (7) is slidably connected to the top of the supporting plate (3), and a connecting rod (8) is fixedly connected between the rectangular clamping plates (7), and the connecting rod (8) is connected to the connecting plate (606) through, and a first spring (9) is provided on the outer side of one end of the connecting rod (8).

6. The coating equipment for circuit board processing according to claim 1, characterized in that: The drive motor (1201) is arranged on the outside of the fixed frame (10), and the output shaft of the drive motor (1201) is fixedly connected to the limit screw (1202) through a coupling, and the outside of the limit screw (1202) is rotatably connected to a first connecting block (1203), and the second connecting blocks (1204) are welded to the upper and lower sides of the first connecting block (1203).

7. The coating equipment for circuit board processing according to claim 1, characterized in that: The first connecting block (1203) and the second connecting block (1204) are both welded to the back of the telescopic member (11), and a fixed transverse plate (1205) is connected through the center of the second connecting block (1204), and both ends of the fixed transverse plate (1205) are welded to the inner wall of the fixed frame (10).

8. The coating equipment for circuit board processing according to claim 1, characterized in that: The four corners of the top of the movable hanging plate (13) are welded with limiting rods (14), and the top end of the limiting rod (14) is connected to the telescopic member (11), and a second spring (15) is arranged on the outside of the limiting rod (14), and the second spring (15) is arranged at the bottom of the telescopic member (11).

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