Tin brushing tool for circuit board full-automatic tin brushing equipment

Abstract

The utility model belongs to the technical field of tin brushing tools, and particularly relates to a tin brushing tool for circuit board full-automatic tin brushing equipment, which comprises a main body, vertical beams are mounted above the main body, cross beams are arranged on the vertical beams, tin brushing plates are mounted between the adjacent vertical beams in a matched manner, support beams are mounted right above the tin brushing plates, and the support beams are mounted on the main body. Slide ways are arranged at the two ends of the supporting beam, a tin brushing device is installed in the middle of the supporting beam, and an electric telescopic rod is installed in the tin brushing device. The connecting block is connected with the sliding rail through the sliding block, the position of the connecting block is properly adjusted through the limiting stopper according to the size of a circuit board, the protruding block and the groove are separated by pressing the top plate, the spring deforms and compresses, the inclination angle of the scraping plate is rotated, and the inclined scraping plate pushes mixed liquid containing tin slag to the two sides. And more and more liquid containing tin slag is prevented from gradually flowing to a tin brushing area and then being transferred to the circuit board together with clean metal tin, so that the situation that the produced circuit board cannot reach the use standard is prevented.

Description

Technical Field

[0001] The utility model belongs to the technical field of tin brushing tools and relates to a tin brushing tool for fully automatic tin brushing equipment for circuit boards. Background Art

[0002] A circuit board can be called a printed circuit board or a printed circuit board. A circuit board is composed of an integrated circuit, a quartz oscillator, a fine-tuning capacitor, and a printed circuit board. Circuit boards make circuits miniaturized and intuitive, and play an important role in the mass production of fixed circuits and the optimization of electrical appliance layouts. In electronic equipment, it is mainly used to connect various electronic components and plays the role of a structural support. In the production process, a machine is required to brush a layer of tin on the surface of the circuit board. At the current stage, tin brushing tools are often used instead of manual large-scale automated tin brushing, which not only saves labor costs but also improves work efficiency.

[0003] When brushing tin with the existing tin brushing tool, tin liquid retained from the last time will remain on both sides of the lower brush plate. At high temperature, the surface of tin will react with oxygen to produce "tin slag". Therefore, during the long-term tin brushing process, more and more tin will be deposited on both sides, and the tin slag will gradually flow to the tin brushing area, and will be transferred to the circuit board together with the clean metal tin, causing the production process to be unqualified. Utility Model Content

[0004] The utility model aims to solve the above problems and provides a tinning tool for a fully automatic tinning device for a circuit board.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A tin brushing tool for a fully automatic tin brushing device for a circuit board comprises a main body, a vertical beam is installed above the main body, a horizontal beam is placed on the vertical beam, and a tin brushing plate is installed between adjacent vertical beams, a support beam is installed directly above the tin brushing plate, slideways are provided at both ends of the support beam, a tin brushing device is installed in the middle of the support beam, an electric telescopic rod is installed in the tin brushing device, a No. 1 movable block is installed below the electric telescopic rod, a slide rail is provided on the No. 1 movable block, a brush plate is installed at the bottom of the No. 1 movable block, a No. 2 movable block is installed next to the No. 1 movable block, a connecting block is provided at the slide rail, and the The outer wall of the connecting block is provided with scale lines, and a notch is provided at the oblique upper part of the scale lines. A through hole is provided in the middle of the connecting block, and a groove is provided on the inner wall of the through hole. An adjuster is installed above the through hole, and a top plate is provided in the adjuster. A support rod is installed under the top plate, and a spring is sleeved on the outside of the support rod. A fixing block is installed at the bottom of the support rod, and a protrusion is installed on the outer wall of the fixing block. A limiter is installed at the notch, and a dial plate is provided on the top of the limiter, and a sliding rod is provided under the dial plate. A gasket is installed on the outer wall of the sliding rod, and a slider is installed at the bottom of the sliding rod, and a scraper is installed at the bottom of the fixed block.

[0007] In the above-mentioned tinning tooling for the fully automatic tinning equipment for circuit boards, the vertical beams and the horizontal beams are installed alternately up and down, and threaded holes are opened on both the vertical beams and the horizontal beams, and driving devices are installed at both ends of the support beams.

[0008] Two electric telescopic rods are installed side by side in the tin brushing device, and the electric telescopic rods are connected to the first movable block and the second movable block respectively.

[0009] The slide rails are symmetrically arranged on the first movable block, the scale lines are arranged at the upper edge of the through hole, and the grooves are arranged on the inner wall below the through hole.

[0010] The grooves are arranged at equal intervals, and the length of the grooves is smaller than that of the through holes.

[0011] A strip baffle is arranged on the outer wall of the top plate, and a triangular indicator mark is arranged at one end of the baffle. The length of the support rod is greater than the through hole, and the diameter of the spring is greater than the through hole.

[0012] The fixing block is inserted into the through hole, and the protrusion and the groove correspond to each other, and the size of the protrusion is smaller than the groove.

[0013] The slide bar and the shift plate are rotationally connected via a pin shaft, and the tail of the shift plate is set to be cylindrical, and the slide bar is eccentrically installed via the pin shaft and the cylindrical shape.

[0014] The sliding rod passes through the gasket, and one end of the gasket is connected to the inner wall of the notch.

[0015] The slider is inserted into the slide rail, and the slider and the slide rail are slidably installed. A rubber pad is installed on the outer wall of the slider.

[0016] Compared with the existing technology, the advantages of the utility model are:

[0017] In the utility model, the connecting block is slidably connected by a slider and a slide rail in an adjuster, and the position of the connecting block is appropriately adjusted by a limiter according to the size of the circuit board. At the same time, the protrusion and the groove are separated by pressing the top plate, the spring is deformed and compressed, and the inclination angle of the scraper is appropriately rotated. The inclined scraper pushes the mixed liquid containing tin slag to both sides each time tin is brushed, so that more and more liquid containing tin slag on both sides is prevented from gradually flowing to the tin brushing area, and then transferred to the circuit board together with the clean metal tin, so as to prevent the produced circuit board from failing to meet the use standard.

[0018] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0020] Figure 2 It is a structural schematic diagram of a tin brushing device in the utility model.

[0021] Figure 3 It is a top view schematic diagram of the tin brushing device in the utility model.

[0022] Figure 4 yes Figure 3 A magnified schematic diagram of center A.

[0023] Figure 5 It is a bottom schematic diagram of the connecting block in the utility model.

[0024] Figure 6 It is a structural schematic diagram of the regulator in the utility model.

[0025] Figure 7 It is a structural schematic diagram of the limiter in the utility model.

[0026] In the figure: 1. main body; 11. vertical beam; 12. horizontal beam; 13. tin brush plate; 2. support beam; 21. slideway; 3. tin brush device; 31. electric telescopic rod; 32. movable block No. 1; 33. slide rail; 34. brush plate; 35. movable block No. 2; 4. connecting block; 41. scale line; 42. notch; 43. through hole; 44. groove; 5. adjuster; 51. top plate; 52. support rod; 53. spring; 54. fixed block; 55. bump; 6. limiter; 61. dial plate; 62. slide rod; 63. gasket; 64. slider; 7. scraper. DETAILED DESCRIPTION

[0027] The utility model is further described below in conjunction with the accompanying drawings.

[0028] like Figure 1-7As shown, a tin brushing tool for a fully automatic tin brushing equipment for a circuit board comprises a main body 1, a vertical beam 11 is installed above the main body 1, a horizontal beam 12 is placed on the vertical beam 11, and a tin brushing plate 13 is installed between adjacent vertical beams 11, a support beam 2 is installed directly above the tin brushing plate 13, slideways 21 are provided at both ends of the support beam 2, a tin brushing device 3 is installed in the middle of the support beam 2, an electric telescopic rod 31 is installed in the tin brushing device 3, a movable block No. 1 32 is installed below the electric telescopic rod 31, a slide rail 33 is provided on the movable block No. 1 32, a brush plate 34 is installed at the bottom of the movable block No. 1 32, a movable block No. 2 35 is installed on the side of the movable block No. 1 32, a connecting block 4 is provided at the slide rail 33, and the outer wall of the connecting block 4 A scale line 41 is provided on it, and a notch 42 is provided at an oblique upper part of the scale line 41. A through hole 43 is provided in the middle of the connecting block 4, and a groove 44 is provided on the inner wall of the through hole 43. An adjuster 5 is installed above the through hole 43, and a top plate 51 is provided in the adjuster 5. A support rod 52 is installed below the top plate 51, and a spring 53 is sleeved on the outside of the support rod 52. A fixing block 54 is installed at the bottom of the support rod 52, and a protrusion 55 is installed on the outer wall of the fixing block 54. A limiter 6 is installed at the notch 42, and a dial plate 61 is provided at the top of the limiter 6, and a slide bar 62 is provided below the dial plate 61. A gasket 63 is installed on the outer wall of the slide bar 62, and a slider 64 is installed at the bottom of the slide bar 62, and a scraper 7 is installed at the bottom of the fixed block 54.

[0029] Combination Figure 1 , Figure 2 , Figure 3 As shown, the vertical beam 11 and the horizontal beam 12 are staggered up and down, and threaded holes are provided on both the vertical beam 11 and the horizontal beam 12, and driving devices are installed at both ends of the support beam 2. Two electric telescopic rods 31 are installed side by side in the tin brushing device 3, and the electric telescopic rods 31 are connected to the first movable block 32 and the second movable block 35 respectively.

[0030] Furthermore, the first movable block 32 and the second movable block 35 are installed side by side, one in front of the other. When brushing tin, the second movable block 35 will move downward to squeeze the brushing plate 13, so that the holes on the brushing plate 13 and the circuit board are more compatible, so that the tin can be transplanted to the circuit board through the stable holes. The vertical beam 11 and the horizontal beam 12 are provided with threaded holes, and the fixed position can be appropriately adjusted according to the model of the brushing plate 13. When brushing tin, it is necessary to brush from front to back through the brush plate 34, so the support beam 2 is pulled by the driving device to move along the slideway 21.

[0031] Combination Figure 2 , Figure 4 , Figure 5As shown, the slide rail 33 is symmetrically arranged on the first movable block 32, the scale line 41 is opened at the upper edge of the through hole 43, and the groove 44 is opened on the inner wall below the through hole 43. The grooves 44 are arranged at the same intervals, and the length of the groove 44 is smaller than the through hole 43. The fixed block 54 is inserted into the through hole 43, and the protrusion 55 and the groove 44 correspond to each other, and the size of the protrusion 55 is smaller than the groove 44. A strip baffle is arranged on the outer wall of the top plate 51, and a triangular indicator is arranged at one end of the baffle. The length of the support rod 52 is greater than the through hole 43, and the diameter of the spring 53 is greater than the through hole 43.

[0032] Furthermore, when using the adjuster 5, it is necessary to press the top plate 51 to deform and compress the spring 53, and then the fixing block 54 is disengaged from the through hole 43. After rotating to a suitable position, the spring 53 pushes the fixing block 54 upward to allow the protrusion 55 on its surface to be embedded in the groove 44. The bottom of the groove 44 acts as a limiter and cooperates with the spring 53 to prevent the fixing block 54 from falling off. When adjusting the angle of the scraper 7, the inclination angles of the scrapers 7 on both sides can be the same by using the triangular indicator and the scale line 41.

[0033] Combination Figure 3 , Figure 4 , Figure 7 As shown, the slide bar 62 and the dial plate 61 are rotatably connected via a pin shaft, and the tail of the dial plate 61 is set to be cylindrical, and the slide bar 62 is eccentrically installed with the cylinder via the pin shaft. The slide bar 62 passes through the gasket 63, and one end of the gasket 63 is connected to the inner wall of the notch 42. The slider 64 is inserted into the slide rail 33, and the slider 64 and the slide rail 33 are slidably installed, and a rubber pad is installed on the outer wall of the slider 64.

[0034] Furthermore, the slide rod 62 is eccentrically installed through the pin shaft and the tail of the dial plate 61. When the dial plate 61 is rotated, the larger cylindrical part of the tail of the dial plate 61 will abut against or leave the gasket 63 to achieve fixation with the slide rail 33. This setting is similar to the design of adjusting the seat height of a straight-moving bicycle. The position of the connecting block 4 on the slide rail 33 is appropriately adjusted through the limiter 6.

[0035] The working principle of the utility model is:

[0036] When brushing tin, the driving devices at both ends of the support beam 2 pull it to move forward and backward along the slide 21, and cooperate with the No. 1 movable block 32 below to brush tin. When the No. 1 movable block 32 is brushing tin, the No. 2 movable block 35 on one side will squeeze the tin brushing plate 13 downward in advance, so that the holes on the tin brushing plate 13 and the circuit board below are fully fitted.

[0037] When the connecting block 4, the adjuster 5 and the limiter 6 are used, when the paddle plate 61 is pushed outward or inward, since the paddle plate 61 and the slide rod 62 are eccentrically installed through a pin shaft, when the paddle plate 61 is pushed, the larger cylindrical part at the tail of the paddle plate 61 will abut against or move away from the gasket 63, so that the internal slider 64, the gasket 63 and the slide rod 62 interact with each other, so that the internal slider 64 abuts against or moves away from the slide rail 33, and the slider 64 and the paddle plate 61 cooperate with each other, so that the position of the connecting block 4 on the slide rail 33 can be adjusted as needed.

[0038] Press the top plate 51 downward, the spring 53 at the bottom deforms and compresses to generate elastic force, and the support rod 52 pushes the fixed block 54 downward until the fixed block 54 is out of the through hole 43, and then the protrusion 55 is pulled out of the groove 44, and the scraper 7 below can be properly rotated according to the actual area of ​​the circuit board to adjust its tilt angle. When it is adjusted to a suitable level, stop pressing the top plate 51, and under the action of the elastic force of the spring 53, the support rod 52 pulls the fixed block 54 upward to allow it to re-enter the through hole 43, and the protrusion 55 enters the groove 44. In the absence of external force, the elastic force of the spring 53 cooperates with the protrusion 55 and the groove 44, and the adjuster 5 will maintain this state, and the scraper 7 below will not shake. When adjusting the position of the scrapers 7 on both sides, the angles of the scrapers 7 at both ends can be kept the same according to the position of the scale line 41 pointed by the triangular indicator.

[0039] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways without departing from the spirit of the present invention.

[0040] Although this article uses more terms such as 1, main body; 11, vertical beam; 12, horizontal beam; 13, tin brush plate; 2, support beam; 21, slideway; 3, tin brush device; 31, electric telescopic rod; 32, movable block No. 1; 33, slide rail; 34, brush plate; 35, movable block No. 2; 4, connecting block; 41, scale line; 42, notch; 43, through hole; 44, groove; 5, adjuster; 51, top plate; 52, support rod; 53, spring; 54, fixed block; 55, bump; 6, limiter; 61, dial plate; 62, slide rod; 63, gasket; 64, slider; 7, scraper, etc., it does not exclude the possibility of using other terms. The use of these terms is only for more convenient description and explanation of the essence of the utility model. It is contrary to the spirit of the utility model to interpret them as any additional restrictions.

Claims

1. A tinning tool for a fully automatic tinning device for a circuit board, comprising a main body (1), characterized in that: A vertical beam (11) is installed above the main body (1), a horizontal beam (12) is placed on the vertical beam (11), and a tin brushing plate (13) is installed between adjacent vertical beams (11). A support beam (2) is installed directly above the tin brushing plate (13), slideways (21) are provided at both ends of the support beam (2), a tin brushing device (3) is installed in the middle of the support beam (2), an electric telescopic rod (31) is installed in the tin brushing device (3), a first movable block (32) is installed below the electric telescopic rod (31), a slide rail (33) is provided on the first movable block (32), a brushing plate (34) is installed at the bottom of the first movable block (32), a second movable block (35) is installed beside the first movable block (32), a connecting block (4) is provided at the slide rail (33), a scale line (41) is provided on the outer wall of the connecting block (4), and the scale line (41) A notch (42) is provided at the upper oblique position, a through hole (43) is provided in the middle of the connecting block (4), a groove (44) is provided on the inner wall of the through hole (43), an adjuster (5) is installed above the through hole (43), a top plate (51) is provided in the adjuster (5), a support rod (52) is installed below the top plate (51), a spring (53) is sleeved on the outside of the support rod (52), a fixing block (54) is installed at the bottom of the support rod (52), a convex block (55) is installed on the outer wall of the fixing block (54), a limiter (6) is installed at the notch (42), a dial plate (61) is provided at the top of the limiter (6), a slide bar (62) is provided below the dial plate (61), a gasket (63) is installed on the outer wall of the slide bar (62), a slider (64) is installed at the bottom of the slide bar (62), and a scraper (7) is installed at the bottom of the fixing block (54).

2. The tinning tool for the fully automatic tinning equipment of the circuit board according to claim 1 is characterized in that: The vertical beams (11) and the horizontal beams (12) are installed in an alternating manner up and down, and threaded holes are provided on both the vertical beams (11) and the horizontal beams (12). Driving devices are installed at both ends of the support beam (2).

3. The tinning tool for the fully automatic tinning equipment of the circuit board according to claim 2 is characterized in that: Two electric telescopic rods (31) are installed side by side in the tin brushing device (3), and the electric telescopic rods (31) are respectively connected to a first movable block (32) and a second movable block (35).

4. The tinning tool for the fully automatic tinning equipment of the circuit board according to claim 3 is characterized in that: The slide rail (33) is symmetrically arranged on the first movable block (32), the scale line (41) is opened at the upper edge of the through hole (43), and the groove (44) is opened on the inner wall below the through hole (43).

5. The tinning tool for fully automatic tinning equipment for circuit boards according to claim 4 is characterized in that: The grooves (44) are arranged at equal intervals, and the length of the grooves (44) is smaller than the through holes (43).

6. The tinning tool for fully automatic tinning equipment for circuit boards according to claim 5 is characterized in that: A strip baffle is provided on the outer wall of the top plate (51), and a triangular indicator mark is provided at one end of the baffle. The length of the support rod (52) is greater than the through hole (43), and the diameter of the spring (53) is greater than the through hole (43).

7. The tinning tool for fully automatic tinning equipment for circuit boards according to claim 6 is characterized in that: The fixing block (54) is inserted into the through hole (43), and the protrusion (55) and the groove (44) correspond to each other, and the size of the protrusion (55) is smaller than that of the groove (44).

8. The tinning tool for fully automatic tinning equipment for circuit boards according to claim 7 is characterized in that: The slide bar (62) and the shift plate (61) are rotatably connected via a pin shaft, and the tail of the shift plate (61) is set to be cylindrical, and the slide bar (62) is eccentrically installed via the pin shaft and the cylindrical shape.

9. The tinning tool for fully automatic tinning equipment for circuit boards according to claim 8 is characterized in that: The sliding rod (62) passes through the gasket (63), and one end of the gasket (63) is connected to the inner wall of the notch (42).

10. The tinning tool for fully automatic tinning equipment for circuit boards according to claim 9, characterized in that: The slider (64) is inserted into the slide rail (33), and the slider (64) and the slide rail (33) are slidably installed. A rubber pad is installed on the outer wall of the slider (64).

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