Glue residue removing device and glue residue removing method for circuit board processing

Abstract

The invention relates to the field of circuit board processing, in particular to a glue residue removing device and a glue residue removing method for circuit board processing. Comprising a slag removal box, a box cover is installed at the top of the slag removal box, two sets of second handles are symmetrically installed at the top of the box cover, a first motor is arranged over the box cover, the output end of the first motor penetrates through the box cover and then is in transmission connection with a connecting rod, and a fixing column is installed at the output end of the connecting rod; a plurality of second motors are installed on the outer wall of the fixing column at equal intervals in an annular array mode, the output end of each second motor is in transmission connection with a connecting rod, a fixing assembly is installed at the output end of each connecting rod, and each fixing assembly comprises an installation block; a sliding groove is formed in the edge of the side wall, away from the connecting rod, of the mounting block, and a set of lead screws are arranged in the sliding groove. According to the embodiment, the flexibility is improved, and the working quality of glue residue removal is improved through impact and penetration at different angles.

Description

Technical Field

[0001] The invention belongs to the technical field of circuit board processing, and particularly relates to a desmearing device and a desmearing method for circuit board processing. Background Art

[0002] A circuit board, also known as a printed circuit board, is a basic structure used to support electronic components. Glue residue is a paste-like substance produced during the drilling process, which is mainly formed by glass epoxy resin softening and melting at high temperature.

[0003] After searching, in the prior art, Chinese patent announcement number: CN215613531U, authorization announcement date: 2022-01-25, discloses a deslagging device for display control panel processing, including a main body, the main body is a control panel deslagging device, the interior of the main body is provided with a deslagging cylinder and a water inlet pipe, the interior of the main body is fixedly connected with a filter box, the top of the filter box is connected with a sealing cover, the inner bottom wall of the filter box is fixedly connected with a filter element, the sealing cover is connected to the filter element through a liquid inlet pipe, and the side surface of the liquid inlet pipe is The main body is fixedly connected to the inside of the sealing cover, the bottom end of the liquid inlet pipe is fixedly connected to the inlet of the filter element, the slag removal cylinder is connected to the liquid inlet pipe through the liquid discharge pipe, the inside of the slag removal cylinder is connected to the inside of the liquid inlet pipe through the liquid discharge pipe, a water pump is fixedly connected to the inside of the main body, the water pump is connected to the slag removal cylinder through the liquid outlet pipe, the bottom end of the liquid outlet pipe is fixedly connected to the water outlet of the water pump, the top end of the liquid outlet pipe is fixedly connected to the front side of the slag removal cylinder, the water inlet pipe is connected to the water pump through the three-way pipe, and the bottom end of the water inlet pipe is fixedly connected to the top end of the three-way pipe. The above embodiment solves the problem that the filter element of the existing glue residue removal equipment is not easy to clean.

[0004] However, the device still has the following defects: the above embodiment is not flexible. If it is not flexible, the circuit board will be impacted and penetrated at different angles when moving and rotating in the device, which will cause some glue residue to remain, thereby reducing the quality of the glue residue removal work. Summary of the invention

[0005] In view of the above problems, the present invention provides a desmearing device and desmearing method for circuit board processing, comprising a desmearing box, a box cover is installed on the top of the desmearing box, two sets of second handles are symmetrically installed on the top of the box cover, a first motor is arranged directly above the box cover, the output end of the first motor passes through the box cover and is connected to a connecting rod after transmission, a fixing column is installed on the output end of the connecting rod, a plurality of sets of second motors are installed on the outer wall of the fixing column in a circular array at equal intervals, the output end of each set of the second motors is connected to a connecting rod through transmission, and a set of fixing components is installed on the output end of each set of the connecting rods;

[0006] The fixing assembly includes a mounting block, a sliding groove is provided at the edge of a side wall of the mounting block away from the connecting rod, a group of screw rods are arranged in the sliding groove, a third motor is arranged at one end of the mounting block, two groups of first mounting plates are symmetrically arranged at one end of the mounting block away from the connecting rod, a group of storage grooves is provided on one side wall of each group of the first mounting plates, and a group of limiting railings are arranged in each group of the storage grooves.

[0007] Furthermore, the two ends of the screw rod are rotatably connected to the inner walls on both sides of the mounting block, and the output end of the third motor passes through the mounting block and is transmission-connected to the screw rod, one group of the first mounting plates is installed on one end of a side wall of the mounting block away from the slide groove, and the other group of the first mounting plates is installed on the slider.

[0008] Furthermore, a transparent observation window is embedded in one side wall of the slag removal box, a control panel is installed at the bottom of one side wall of the slag removal box close to the transparent observation window, a filter box is installed at the bottom of the slag removal box, a movable groove is horizontally opened at the top of one side wall of the filter box, a filter assembly is arranged in the filter box, and a first handle is installed after one end of the filter assembly passes through the movable groove.

[0009] Furthermore, two groups of card slots are symmetrically opened on one side wall of the filter box close to the movable slot, and both groups of card slots are connected to the movable slot. Two groups of card blocks are symmetrically installed at both ends of the filter component, and each group of card blocks is movably connected to one of the groups of card slots.

[0010] Furthermore, the filter assembly includes a filter plate, a filter groove is formed on the top of the filter plate, a filter net is arranged in the filter groove, the filter net is installed on the bottom of the inner wall of the filter plate, and the bottom of the filter net and the bottom of the filter plate are located on the same straight line.

[0011] Furthermore, an electric door machine is installed at the bottom center of the slag removal box, an empty slot is opened at the top center of the filter box, and a feed box is installed at the top of one side wall of the slag removal box.

[0012] Furthermore, a transport pipe is connected to the top center of a side wall of the filter box close to the feed box, and the other end of the transport pipe is connected to the outer wall of the feed box. An air pump is fixedly sleeved on the transport pipe, and the air pump is installed on the feed box.

[0013] Furthermore, one end of the bottom of the feed box away from the slag removal box is connected to a discharge pipe, a first electric valve is fixedly sleeved on the discharge pipe, and one end of the bottom of the feed box close to the slag removal box is connected to a conveying pipe, the other end of the conveying pipe is connected to the outer wall of the slag removal box.

[0014] Furthermore, a second electric valve is fixedly sleeved on the outer wall of the delivery pipe, and an electronic flow meter is fixedly sleeved on the outer wall of the delivery pipe, and the electronic flow meter is located directly below the second electric valve.

[0015] The beneficial effects of the present invention are:

[0016] 1. The first motor drives the connecting rod to rotate while driving the fixed column to rotate. The fixed column drives the second motor to rotate while driving the fixed component to rotate. The second motor drives the connecting rod to rotate while driving the fixed component to rotate. The fixed component moves and rotates in the slag removal box, which improves flexibility. Impact and penetration at different angles improve the work quality of glue slag removal.

[0017] 2. Pull the second handle to drive the box cover to rise and withdraw it from the slag removal box, so that the fixed components and the slag removal box can be cleaned, which improves the convenience and work efficiency.

[0018] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures pointed out in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It shows a schematic structural diagram of a desmearing device according to an embodiment of the present invention;

[0021] Figure 2 A cross-sectional schematic diagram of a desmear device according to an embodiment of the present invention is shown;

[0022] Figure 3 A schematic diagram of the structure of a fixing column according to an embodiment of the present invention is shown;

[0023] Figure 4 A schematic cross-sectional view of a fixing assembly according to an embodiment of the present invention is shown;

[0024] Figure 5 An enlarged view of portion A according to an embodiment of the present invention is shown.

[0025] In the figure: 1. slag removal box; 2. transparent observation window; 3. control panel; 4. filter box; 5. moving slot; 6. filter assembly; 61. filter plate; 62. filter slot; 63. filter net; 7. first handle; 8. card slot; 9. card block; 10. feed box; 11. transport pipe; 12. air pump; 13. discharge pipe; 14. first electric valve; 15. transport pipe; 16. second electric valve; 17. electronic flow meter; 18. box cover; 19. second handle; 20. first motor; 21. connecting rod; 22. fixing column; 23. second motor; 24. connecting rod; 25. fixing assembly; 251. mounting block; 252. slide slot; 253. screw rod; 254. third motor; 255. slider; 256. first mounting plate; 257. storage slot; 258. limit railing; 26. electric door machine; 27. empty slot. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] The embodiment of the present invention provides a desmearing device and a desmearing method for circuit board processing, including a desmearing box 1, exemplarily, as shown in FIG. Figure 1 and Figure 2 As shown, a transparent observation window 2 is embedded on one side wall of the slag removal box 1, a control panel 3 is installed at the bottom of one side wall of the slag removal box 1 near the transparent observation window 2, a filter box 4 is installed at the bottom of the slag removal box 1, a movable groove 5 is horizontally opened on the top of one side wall of the filter box 4, a filter assembly 6 is arranged in the filter box 4, one end of the filter assembly 6 passes through the movable groove 5 and a first handle 7 is installed thereafter, two groups of card slots 8 are symmetrically opened on one side wall of the filter box 4 near the movable groove 5, both groups of the card slots 8 are connected to the movable groove 5, two groups of card blocks 9 are symmetrically installed at both ends of the filter assembly 6, and each group of the card blocks 9 is movably connected to one group of the card slots 8.

[0028] The filter assembly 6 includes a filter plate 61, a filter groove 62 is formed on the top of the filter plate 61, a filter screen 63 is arranged in the filter groove 62, and the filter screen 63 is installed on the bottom of the inner wall of the filter plate 61, and the bottom of the filter screen 63 is located on the same straight line as the bottom of the filter plate 61.

[0029] For example, Figure 2 and Figure 5As shown, an electric door machine 26 is installed at the bottom center of the slag removal box 1, an empty slot 27 is opened at the top center of the filter box 4, a feed box 10 is installed at the top of one side wall of the slag removal box 1, and a transport pipe 11 is connected to the top center of one side wall of the filter box 4 close to the feed box 10, and the other end of the transport pipe 11 is connected to the outer wall of the feed box 10, and an air pump 12 is fixedly sleeved on the transport pipe 11, and the air pump 12 is installed on the feed box 10. The end away from the slag removal box 1 is connected to a discharge pipe 13, and a first electric valve 14 is fixedly sleeved on the discharge pipe 13. The bottom end of the feed box 10 close to the slag removal box 1 is connected to a conveying pipe 15, and the other end of the conveying pipe 15 is connected to the outer wall of the slag removal box 1, and a second electric valve 16 is fixedly sleeved on the outer wall of the conveying pipe 15. An electronic flow meter 17 is fixedly sleeved on the outer wall of the conveying pipe 15, and the electronic flow meter 17 is located directly below the second electric valve 16.

[0030] For example, Figure 1 , Figure 2 and Figure 3 As shown, a box cover 18 is installed on the top of the slag removal box 1, and two groups of second handles 19 are symmetrically installed on the top of the box cover 18. A first motor 20 is arranged directly above the box cover 18, and the output end of the first motor 20 passes through the box cover 18 and is transmission-connected with a connecting rod 21, and a fixing column 22 is installed on the output end of the connecting rod 21. A plurality of groups of second motors 23 are installed on the outer wall of the fixing column 22 in a circular array at equal intervals, and the output end of each group of the second motors 23 is transmission-connected with a connecting rod 24, and a group of fixing components 25 are installed on the output end of each group of the connecting rods 24.

[0031] For example, Figure 2 and Figure 4 As shown, the fixing assembly 25 includes a mounting block 251, and a slide groove 252 is provided at the edge of a side wall of the mounting block 251 away from the connecting rod 24, and a group of screw rods 253 are arranged in each of the slide grooves 252, and both ends of the screw rods 253 are rotatably connected to the inner walls of both sides of the mounting block 251, and a third motor 254 is arranged at one end of the mounting block 251, and the output end of the third motor 254 passes through the mounting block 251 and is transmission-connected to the screw rod 253, and two groups of first mounting plates 256 are symmetrically arranged at one end of the mounting block 251 away from the connecting rod 24, one group of the first mounting plates 256 is installed at one end of a side wall of the mounting block 251 away from the slide groove 252, and the other group of the first mounting plates 256 is installed on the slider 255, and a group of storage grooves 257 are opened on one side wall of each group of the first mounting plates 256, and a group of limiting railings 258 are arranged in each group of the storage grooves 257.

[0032] Working principle: Pull the second handle 19 to drive the box cover 18 to rise and withdraw from the slag removal box 1, place the circuit board in one of the groups of storage slots 257, the third motor 254 drives the screw rod 253 to rotate and drives the slider 255 to move, the slider 255 drives the first mounting plate 256 to move, the two groups of first mounting plates 256 are merged, the circuit board is fixed, and after several circuit boards are placed and fixed, the equipment is restored, and the heated potassium permanganate solution is poured into the feed box 10, and the amount is set through the control panel 3. The potassium permanganate solution enters the slag removal box 1 through the conveying pipe 15. After the electronic flow meter 17 detects that the set amount has been transported, it sends information to the second electric valve 16, and the second electric valve 16 stops transporting the potassium permanganate solution. The first motor 20 drives the connecting rod 21 to rotate and drives the fixed column 22 to rotate, and the fixed column 22 drives When the second motor 23 is driven to rotate, the fixed component 25 is driven to rotate. When the second motor 23 drives the connecting rod 24 to rotate, the fixed component 25 is driven to rotate. The fixed component 25 moves and rotates in the slag removal box 1. After the glue residue removal work is completed, the electric door machine 26 is opened, and the potassium permanganate solution and the glue residue enter the filter box 4 through the electric door machine 26 and the empty slot 27. The potassium permanganate solution falls on the bottom of the filter box 4 through the filter net 63, and the glue residue remains on the top of the filter net 63. The first handle 7 is pulled to drive the filter component 6 to move and be drawn out of the filter box 4 for cleaning. The air pump 12 is started, and the potassium permanganate solution at the bottom of the filter box 4 enters the feed box 10 through the transport pipe 11. The second handle 19 is pulled to drive the box cover 18 to rise and be drawn out of the slag removal box 1, so that the fixed component 25 and the slag removal box 1 can be cleaned.

[0033] The first motor 20 drives the connecting rod 21 to rotate and drives the fixed column 22 to rotate at the same time. The fixed column 22 drives the second motor 23 to rotate and drives the fixed component 25 to rotate at the same time. The second motor 23 drives the connecting rod 24 to rotate and drives the fixed component 25 to rotate. The fixed component 25 moves and rotates in the slag removal box 1, which improves flexibility. Impacts and penetrations at different angles improve the work quality of removing glue slag.

[0034] The second handle 19 is pulled to drive the box cover 18 to rise and be withdrawn from the slag removal box 1, so that the fixing assembly 25 and the inside of the slag removal box 1 can be cleaned, thereby improving the convenience and the work efficiency.

[0035] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein; and these modifications or substitutions do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A desmearing device and desmearing method for circuit board processing, comprising a desmearing box (1), characterized in that: A box cover (18) is installed on the top of the slag removal box (1), and two groups of second handles (19) are symmetrically installed on the top of the box cover (18). A first motor (20) is arranged directly above the box cover (18), and the output end of the first motor (20) passes through the box cover (18) and is connected to a connecting rod (21) in a transmission manner. A fixing column (22) is installed on the output end of the connecting rod (21), and a plurality of groups of second motors (23) are installed on the outer wall of the fixing column (22) in a circular array at equal intervals, and the output end of each group of the second motors (23) is connected to a connecting rod (24) in a transmission manner, and the output end of each group of the connecting rods (24) is installed with a group of fixing components (25); The fixing assembly (25) comprises a mounting block (251), a sliding groove (252) is provided at an edge of a side wall of the mounting block (251) away from the connecting rod (24), a group of screw rods (253) are arranged in each of the sliding grooves (252), a third motor (254) is arranged at one end of the mounting block (251), two groups of first mounting plates (256) are symmetrically arranged at one end of the mounting block (251) away from the connecting rod (24), a group of storage grooves (257) is provided on a side wall of each group of the first mounting plates (256), and a group of limiting railings (258) are arranged in each group of the storage grooves (257).

2. The desmearing device for circuit board processing according to claim 1, characterized in that: The two ends of the screw rod (253) are rotatably connected to the inner walls of the mounting block (251) on both sides; the output end of the third motor (254) passes through the mounting block (251) and is transmission-connected to the screw rod (253); one group of the first mounting plates (256) is mounted on one end of a side wall of the mounting block (251) away from the slide groove (252); and another group of the first mounting plates (256) is mounted on the slider (255).

3. The desmearing device for circuit board processing according to claim 1, characterized in that: A transparent observation window (2) is embedded in one side wall of the slag removal box (1); a control panel (3) is installed at the bottom of a side wall of the slag removal box (1) close to the transparent observation window (2); a filter box (4) is installed at the bottom of the slag removal box (1); a movable groove (5) is horizontally opened at the top of one side wall of the filter box (4); a filter assembly (6) is arranged in the filter box (4); and a first handle (7) is installed after one end of the filter assembly (6) passes through the movable groove (5).

4. The desmearing device for circuit board processing according to claim 3, characterized in that: Two groups of card slots (8) are symmetrically provided on a side wall of the filter box (4) close to the movable slot (5), and the two groups of card slots (8) are both connected to the movable slot (5). Two groups of card blocks (9) are symmetrically installed at both ends of the filter assembly (6), and each group of card blocks (9) is movably engaged in one of the groups of card slots (8).

5. The desmearing device for circuit board processing according to claim 3, characterized in that: The filter assembly (6) comprises a filter plate (61), a filter groove (62) is provided on the top of the filter plate (61), a filter screen (63) is provided in the filter groove (62), the filter screen (63) is mounted on the bottom of the inner wall of the filter plate (61), and the bottom of the filter screen (63) is located on the same straight line as the bottom of the filter plate (61).

6. The desmearing device for circuit board processing according to claim 5, characterized in that: An electric door machine (26) is installed at the bottom center of the slag removal box (1), an empty slot (27) is opened at the top center of the filter box (4), and a feed box (10) is installed at the top of one side wall of the slag removal box (1).

7. The desmearing device for circuit board processing according to claim 6, characterized in that: A transport pipe (11) is connected to the top center of a side wall of the filter box (4) close to the feed box (10), and the other end of the transport pipe (11) is connected to the outer wall of the feed box (10). An air pump (12) is fixedly sleeved on the transport pipe (11), and the air pump (12) is installed on the feed box (10).

8. The desmearing device for circuit board processing according to claim 7, characterized in that: The end of the bottom of the feed box (10) away from the slag removal box (1) is connected to a discharge pipe (13), and a first electric valve (14) is fixedly sleeved on the discharge pipe (13). The end of the bottom of the feed box (10) close to the slag removal box (1) is connected to a conveying pipe (15), and the other end of the conveying pipe (15) is connected to the outer wall of the slag removal box (1).

9. The desmearing device for circuit board processing according to claim 8, characterized in that: A second electric valve (16) is fixedly sleeved on the outer wall of the delivery pipe (15), and an electronic flow meter (17) is fixedly sleeved on the outer wall of the delivery pipe (15), wherein the electronic flow meter (17) is located directly below the second electric valve (16).

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