Sealing structure of continuous vacuum formic acid furnace

By setting groove fixing blocks and fixing protruding blocks on the side wall of the hatch cover of the vacuum formic acid furnace, and using limiting components and sliding cooperation, the problem of poor sealing of the vacuum formic acid furnace is solved, significantly improving the sealing effect and ensuring the welding process High vacuum environment in the medium improves welding quality.

CN222187740UActive Publication Date: 2024-12-17KUNSHAN TUOGU ELECTRONICS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420962192.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-07
Publication Date
2024-12-17
Estimated Expiration
2034-05-07

AI Technical Summary

Technical Problem

The sealing effect at the connection of the existing continuous vacuum formic acid furnace is poor, which affects the welding effect.

Method used

By providing groove fixing blocks and fixed projections on the side walls of the pretreatment area, constant temperature area, return area and cooling area of ​​the hatch cover, and using structures such as limiting components, slide chutes and limiting rods, the first pair is realized. The sliding fit and limit of the connector and the second docking pipe enhance the sealing effect.

Benefits of technology

The sealing effect of the continuous vacuum formic acid furnace is significantly improved, ensuring a high vacuum environment during welding, reducing bubble generation, and improving welding quality.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222187740U_ABST
    Figure CN222187740U_ABST
Patent Text Reader

Abstract

The utility model relates to a sealing structure of a continuous vacuum formic acid furnace. The hatch cover comprises a hatch cover body. A pretreatment area, a constant-temperature area, a backflow area, a vacuum area and a cooling area are mounted at the bottom of the cabin cover; a first butt joint pipe is arranged on the side wall of the pretreatment area; a second butt joint pipe is arranged in the middle of the side wall of the constant-temperature area; the first butt joint pipe corresponds to the second butt joint pipe in position; a groove fixing block is fixedly connected to the outer side wall of the first butt joint pipe. The groove fixing blocks are evenly distributed on the outer side wall of the first butt joint pipe. The middle of each groove fixing block is in sliding fit with a fixing protruding block. According to the step, through arrangement of a groove fixing block and a fixing protruding block, sealing can be conducted when the first butt joint pipe and the second butt joint pipe are in butt joint through sliding fit between the groove fixing block and the fixing protruding block, and sealing between the groove fixing block and the fixing protruding block can be more stable through a limiting assembly; and the sealing effect of the sealing structure of the continuous vacuum formic acid furnace is further enhanced.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of formic acid furnace sealing, in particular to a continuous vacuum formic acid furnace sealing structure. Background Art

[0002] With the rapid development of science and technology, the size of electronic component packaging is getting smaller and smaller. The vacuum formic acid furnace is a professional welding equipment, which is mainly used to achieve void-free vacuum welding. The vacuum formic acid furnace creates a high vacuum environment and uses formic acid as a welding medium to greatly reduce bubbles in the welding process, thereby reducing the generation of welding voids.

[0003] In the prior art, in order to complete the welding integration of electronic components with vacuum formic acid furnace, a continuous vacuum formic acid furnace is required.

[0004] During long-term use and observation, it was found that the sealing effect of the joints of the existing continuous vacuum formic acid furnace was poor, which would affect its welding effect. Utility Model Content

[0005] Therefore, the technical problem to be solved by the utility model is to overcome the problem in the prior art that the sealing effect of the connection of the existing continuous vacuum formic acid furnace is poor, which will affect its welding effect.

[0006] In order to solve the above technical problems, the utility model provides a continuous vacuum formic acid furnace sealing structure, including a hatch cover; a pretreatment zone, a constant temperature zone, a reflow zone, a vacuum zone and a cooling zone are installed at the bottom of the hatch cover; a first butt joint pipe is arranged on the side wall of the pretreatment zone; a second butt joint pipe is arranged in the middle of the side wall of the constant temperature zone; the first butt joint pipe and the second butt joint pipe are in corresponding positions; a groove fixing block is fixedly connected to the outer wall of the first butt joint pipe; the groove fixing blocks are evenly distributed on the outer wall of the first butt joint pipe; a fixed protruding block is slidably matched in the middle of each group of the groove fixing blocks; the fixed protruding block is fixedly connected to the outer wall of the second butt joint pipe; a limiting component is arranged inside the groove fixing block and the fixed protruding block; in this step, by setting the groove fixing block and the fixed protruding block, the sliding match between them can be utilized to make the first butt joint pipe and the second butt joint pipe sealed when docking, and the limiting component can make the seal between the groove fixing block and the fixed protruding block more stable, thereby further enhancing the sealing effect of the continuous vacuum formic acid furnace sealing structure.

[0007] In one embodiment of the utility model, the limit assembly includes a limit rod; a slide groove is provided in the middle of each group of the groove fixing blocks and the fixed protruding blocks; a limit groove is provided in the middle of the fixed protruding block; the limit groove is connected to the slide groove; the middle of the slide groove is slidably matched with the limit rod; the limit groove and the end of the limit rod are slidably matched; the setting of the limit rod in this step can use the slide groove and the limit groove to limit the groove fixing block and the fixed protruding block combined together, so that the groove fixing block and the fixed protruding block are not easy to separate, the sealing effect is more stable, and the limiting effect of the sealing structure of the continuous vacuum formic acid furnace is further enhanced.

[0008] In one embodiment of the utility model, the end of the limit rod is fixedly connected to a fixing rod; the top of the fixing rod is fixedly connected to a control block; the middle of the slide groove is slidably matched with a sealing block; the middle of the sealing block passes through the limit rod; the limit rod and the sealing block are slidably matched; this step can control the position and rotation direction of the limit rod through the setting of the control block, further enhancing the control effect of the sealing structure of the continuous vacuum formic acid furnace.

[0009] In one embodiment of the utility model, the side wall of the control block is provided with an anti-skid pad; the anti-skid pad is evenly distributed on the side wall of the control block; this step can enhance the contact area of ​​the control block and increase the friction force through the provision of the anti-skid pad, thereby further enhancing the anti-skid effect of the sealing structure of the continuous vacuum formic acid furnace.

[0010] In one embodiment of the utility model, the outer walls of the pretreatment zone and the constant temperature zone are fixedly connected with fixing frames; the fixing frames are evenly distributed on the outer walls of the pretreatment zone and the constant temperature zone; each group of the fixing frames is fixedly connected with a slide frame at the end; a sliding plate is slidably matched in the middle of the slide frame; a brush is arranged on the inner wall of the sliding plate; the brush is evenly distributed on the inner wall of the sliding plate; in this step, through the arrangement of the brush, the sliding plate that slides in the middle of the slide frame can be used to clean the impurities on the outer walls of the groove fixed block and the fixed protrusion block, thereby further enhancing the impurity cleaning effect of the sealing structure of the continuous vacuum formic acid furnace.

[0011] In one embodiment of the utility model, a control frame is fixedly connected to the outer side wall of the sliding plate; the control frame is arranged between the two sets of slide frames; this step can make the cleaning direction of the brush easier to control through the arrangement of the control frame, further enhancing the control portability effect of the continuous vacuum formic acid furnace sealing structure.

[0012] In one embodiment of the utility model, a thermometer is fixedly connected to the outer wall of the reflow zone; the output end of the thermometer is arranged on the inner wall of the reflow zone; this step can detect the reflow temperature inside the reflow zone through the setting of the thermometer, further enhancing the reflow temperature detectability of the continuous vacuum formic acid furnace sealing structure.

[0013] In one embodiment of the utility model, the outer walls of the pretreatment zone, constant temperature zone, reflow zone, vacuum zone and cooling zone are all fixedly connected with pressure gauges; the detection end of the pressure gauge is arranged inside the fixed protruding block; this step can perform real-time detection of the sealing effect of the groove fixed block and the fixed protruding block through the setting of the pressure gauge, further enhancing the sealing detection effect of the sealing structure of the continuous vacuum formic acid furnace.

[0014] The above technical solution of the utility model has the following advantages compared with the prior art:

[0015] The utility model discloses a continuous vacuum formic acid furnace sealing structure. By setting a groove fixing block and a fixed protruding block, the sliding cooperation between them can be utilized to seal the first butt joint pipe and the second butt joint pipe when they are butted. The limiting component can make the sealing between the groove fixing block and the fixed protruding block more stable, thereby further enhancing the sealing effect of the continuous vacuum formic acid furnace sealing structure.

[0016] The utility model discloses a continuous vacuum formic acid furnace sealing structure, through the setting of the limiting rod, can use the sliding groove and the limiting groove to limit the groove fixing block and the fixed protruding block that are combined together, so that the groove fixing block and the fixed protruding block are not easy to separate, so that the sealing effect is more stable, and the limiting effect of the continuous vacuum formic acid furnace sealing structure is further enhanced. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to make the content of the utility model more clearly understood, the utility model is further described in detail below based on specific embodiments of the utility model in combination with the accompanying drawings.

[0018] Figure 1 It is a three-dimensional diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the first butt joint structure of the utility model;

[0020] Figure 3 It is a schematic diagram of the limit rod structure of the utility model;

[0021] Figure 4 It is a schematic diagram of the brush structure of the utility model;

[0022] Explanation of the reference numerals in the drawings in the specification: 1. Hatch cover; 11. Pretreatment zone; 12. Constant temperature zone; 13. Reflux zone; 14. Vacuum zone; 15. Cooling zone; 16. First butt joint tube; 17. Second butt joint tube; 18. Groove fixing block; 19. Fixed protruding block; 2. Slide groove; 21. Limiting groove; 22. Limiting rod; 3. Fixing rod; 31. Control block; 32. Sealing block; 4. Anti-slip pad; 5. Fixing frame; 51. Slide frame; 52. Sliding plate; 53. Brush; 6. Control frame; 7. Thermometer; 8. Barometer. DETAILED DESCRIPTION

[0023] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0024] Reference Figures 1 to 3 As shown, a continuous vacuum formic acid furnace sealing structure described in an embodiment of the utility model comprises a hatch cover 1; a pretreatment zone 11, a constant temperature zone 12, a reflow zone 13, a vacuum zone 14 and a cooling zone 15 are installed at the bottom of the hatch cover 1; a first butt joint tube 16 is arranged on the side wall of the pretreatment zone 11; a second butt joint tube 17 is arranged in the middle of the side wall of the constant temperature zone 12; the first butt joint tube 16 and the second butt joint tube 17 are located correspondingly; a groove fixing block 18 is fixedly connected to the outer wall of the first butt joint tube 16; the groove fixing blocks 18 are evenly distributed on the outer wall of the first butt joint tube 16; a fixed protruding block 19 is slidably matched in the middle of each group of the groove fixing blocks 18; the fixed protruding block 19 is fixedly connected to the outer wall of the second butt joint tube 17; the groove fixing block 18 and the fixed protruding block 19 are arranged inside Limiting assembly; when working, the electronic components to be processed are processed in an integrated manner through the pretreatment zone 11, the constant temperature zone 12, the reflow zone 13, the vacuum zone 14 and the cooling zone 15, and the first butt joint tube 16 and the second butt joint tube 17 can be butted and sealed by the sliding cooperation between the groove fixing block 18 and the fixed protruding block 19, and the sealing between the groove fixing block 18 and the fixed protruding block 19 can be made more stable by using the limiting assembly; in this step, the first butt joint tube 16 and the second butt joint tube 17 can be sealed when they are butt jointed by using the sliding cooperation between them, and the sealing between the groove fixing block 18 and the fixed protruding block 19 can be made more stable by using the limiting assembly, thereby further strengthening the sealing effect of the sealing structure of the continuous vacuum formic acid furnace.

[0025] Reference Figures 1 to 3As shown, the limiting assembly includes a limiting rod 22; a slide groove 2 is provided in the middle of each group of the groove fixing block 18 and the fixed protruding block 19; a limiting groove 21 is arranged in the middle of the fixed protruding block 19; the limiting groove 21 is connected to the slide groove 2; the middle of the slide groove 2 is slidably matched with the limiting rod 22; the limiting groove 21 and the end of the limiting rod 22 are slidably matched; when working, the limiting rod 22 can use the slide groove 2 and the limiting groove 21 to limit and fix the groove fixing block 18 and the fixed protruding block 19 that are combined together, so that the groove fixing block 18 and the fixed protruding block 19 are not easy to separate, so that the sealing effect is more stable; the setting of the limiting rod 22 in this step can use the slide groove 2 and the limiting groove 21 to limit the groove fixing block 18 and the fixed protruding block 19 that are combined together, so that the groove fixing block 18 and the fixed protruding block 19 are not easy to separate, so that the sealing effect is more stable, and the limiting effect of the sealing structure of the continuous vacuum formic acid furnace is further strengthened.

[0026] Reference Figure 3 As shown, the end of the limit rod 22 is fixedly connected to a fixing rod 3; the top of the fixing rod 3 is fixedly connected to a control block 31; a sealing block 32 is slidably matched in the middle of the slide groove 2; the middle of the sealing block 32 passes through the limit rod 22; the limit rod 22 and the sealing block 32 are slidably matched; when working, the control block 31 and the fixing rod 3 can be used to control the rotation direction and pulling of the limit rod 22, so that the limiting of the groove fixing block 18 and the fixed protruding block 19 is more active; this step can control the position and rotation direction of the limit rod 22 through the setting of the control block 31, further enhancing the control effect of the sealing structure of the continuous vacuum formic acid furnace.

[0027] Reference Figure 3 As shown, the side wall of the control block 31 is provided with an anti-skid pad 4; the anti-skid pad 4 is evenly distributed on the side wall of the control block 31; during operation, the contact area of ​​the control block 31 can be increased by the anti-skid pad 4 evenly distributed on the side wall of the control block 31, thereby increasing its friction; in this step, the contact area of ​​the control block 31 can be enhanced by the provision of the anti-skid pad 4, thereby increasing its friction, and further enhancing the anti-skid effect of the sealing structure of the continuous vacuum formic acid furnace.

[0028] Reference Figure 4As shown, the outer walls of the pretreatment zone 11 and the constant temperature zone 12 are fixedly connected with a fixing frame 5; the fixing frames 5 are evenly distributed on the outer walls of the pretreatment zone 11 and the constant temperature zone 12; each group of the fixing frames 5 is fixedly connected with a slide frame 51 at the end; a sliding plate 52 is slidably matched in the middle of the slide frame 51; a brush 53 is arranged on the inner wall of the sliding plate 52; the brush 53 is evenly distributed on the inner wall of the sliding plate 52; during operation, the brush 53 can be used to clean the impurities on the outer walls of the groove fixing block 18 and the fixed protruding block 19 through the sliding plate 52 slidably matched in the middle of the slide frame 51; in this step, the sliding plate 52 slidably matched in the middle of the slide frame 51 can be used to clean the impurities on the outer walls of the groove fixing block 18 and the fixed protruding block 19, thereby further enhancing the impurity cleaning effect of the sealing structure of the continuous vacuum formic acid furnace.

[0029] Reference Figure 4 As shown, the outer wall of the sliding plate 52 is fixedly connected with a control frame 6; the control frame 6 is arranged between the two sets of slide frames 51; when working, the sliding of the sliding plate 52 can be made more portable through the control frame 6, and its cleaning direction is easier to control; this step can make the cleaning direction of the brush 53 easier to control through the setting of the control frame 6, further enhancing the control portability effect of the continuous vacuum formic acid furnace sealing structure.

[0030] Reference Figure 1 As shown, a thermometer 7 is fixedly connected to the outer wall of the reflow zone 13; the output end of the thermometer 7 is arranged on the inner wall of the reflow zone 13; when working, the reflow temperature inside the reflow zone 13 can be detected in real time through the thermometer 7; this step can detect the reflow temperature inside the reflow zone 13 through the setting of the thermometer 7, further enhancing the reflux temperature detectability of the sealing structure of the continuous vacuum formic acid furnace.

[0031] Reference Figure 1 As shown, the outer walls of the pretreatment zone 11, the constant temperature zone 12, the reflow zone 13, the vacuum zone 14 and the cooling zone 15 are all fixedly connected with a pressure gauge 8; the detection end of the pressure gauge 8 is arranged inside the fixed protruding block 19; when working, the air tightness inside the fixed protruding block 19 can be detected in real time through the pressure gauge 8 to ensure the sealing effect between the groove fixed block 18 and the fixed protruding block 19; this step can detect the sealing effect of the groove fixed block 18 and the fixed protruding block 19 in real time through the setting of the pressure gauge 8, further strengthening the sealing detection effect of the sealing structure of the continuous vacuum formic acid furnace.

[0032] Working principle: During operation, the electronic components to be processed are processed in an integrated manner through the pretreatment zone 11, the constant temperature zone 12, the reflow zone 13, the vacuum zone 14 and the cooling zone 15. The sliding cooperation between the groove fixing block 18 and the fixed protruding block 19 can make the first butt joint 16 and the second butt joint 17 butt joint for sealing. The limiting assembly can make the sealing between the groove fixing block 18 and the fixed protruding block 19 more stable. The groove fixing block 18 and the fixed protruding block 19 that are combined together by the slide groove 2 and the limiting groove 21 can be limited and fixed by the limiting rod 22, so that the groove fixing block 18 and the fixed protruding block 19 are not easy to separate, so that the sealing effect is more stable. The limiting rod 22 can be controlled by the control block 31 and the fixing rod 3. The rotation direction and pulling control make it more active to limit the groove fixing block 18 and the fixed protruding block 19. The anti-slip pad 4 evenly distributed on the side wall of the control block 31 can increase the contact area of ​​the control block 31, thereby increasing its friction. The sliding plate 52 that slides in the middle of the slide frame 51 can use a brush 53 to clean the impurities on the outer wall of the groove fixing block 18 and the fixed protruding block 19. The control frame 6 can make the sliding of the sliding plate 52 more portable and make the cleaning direction easier to control. The thermometer 7 can be used to detect the reflux temperature inside the reflux zone 13 in real time, and the barometer 8 can be used to detect the air tightness inside the fixed protruding block 19 in real time to ensure the sealing effect between the groove fixing block 18 and the fixed protruding block 19.

[0033] Obviously, the above embodiments are merely examples for the purpose of clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the scope of protection of the invention of the utility model.

Claims

1. A continuous vacuum formic acid furnace sealing structure, comprising a hatch cover (1); characterized in that: The bottom of the hatch cover (1) is provided with a pretreatment zone (11), a constant temperature zone (12), a reflow zone (13), a vacuum zone (14) and a cooling zone (15); the side wall of the pretreatment zone (11) is provided with a first butt joint tube (16); the middle part of the side wall of the constant temperature zone (12) is provided with a second butt joint tube (17); the first butt joint tube (16) and the second butt joint tube (17) are positioned correspondingly; the outer side wall of the first butt joint tube (16) is fixedly connected with a groove fixing block (18); the groove fixing blocks (18) are evenly distributed on the outer side wall of the first butt joint tube (16); the middle part of each group of the groove fixing blocks (18) is slidably matched with a fixed protruding block (19); the fixed protruding block (19) is fixedly connected to the outer side wall of the second butt joint tube (17); and limiting components are provided inside the groove fixing block (18) and the fixed protruding block (19).

2. The continuous vacuum formic acid furnace sealing structure according to claim 1, characterized in that: The limiting assembly comprises a limiting rod (22); a slide groove (2) is provided in the middle of each group of the groove fixing block (18) and the fixing protruding block (19); a limiting groove (21) is provided in the middle of the fixing protruding block (19); the limiting groove (21) is connected with the slide groove (2); the limiting rod (22) is slidably matched in the middle of the slide groove (2); the limiting groove (21) and the end of the limiting rod (22) are slidably matched.

3. The continuous vacuum formic acid furnace sealing structure according to claim 2, characterized in that: The end of the limiting rod (22) is fixedly connected to a fixing rod (3); the top of the fixing rod (3) is fixedly connected to a control block (31); the middle of the sliding groove (2) is slidably matched with a sealing block (32); the middle of the sealing block (32) passes through the limiting rod (22); the limiting rod (22) and the sealing block (32) are slidably matched.

4. The continuous vacuum formic acid furnace sealing structure according to claim 3, characterized in that: The side wall of the control block (31) is provided with an anti-skid pad (4); the anti-skid pad (4) is evenly distributed on the side wall of the control block (31).

5. The continuous vacuum formic acid furnace sealing structure according to claim 4, characterized in that: The outer walls of the pretreatment zone (11) and the constant temperature zone (12) are fixedly connected with fixed frames (5); the fixed frames (5) are evenly distributed on the outer walls of the pretreatment zone (11) and the constant temperature zone (12); the ends of each group of the fixed frames (5) are fixedly connected with a slide frame (51); a sliding plate (52) is slidably matched in the middle of the slide frame (51); a brush (53) is provided on the inner wall of the sliding plate (52); the brush (53) is evenly distributed on the inner wall of the sliding plate (52).

6. The continuous vacuum formic acid furnace sealing structure according to claim 5, characterized in that: A control frame (6) is fixedly connected to the outer side wall of the sliding plate (52); the control frame (6) is arranged between the two sets of slideway frames (51).

7. The continuous vacuum formic acid furnace sealing structure according to claim 6, characterized in that: A thermometer (7) is fixedly connected to the outer wall of the reflow zone (13); and an output end of the thermometer (7) is arranged on the inner wall of the reflow zone (13).

8. The continuous vacuum formic acid furnace sealing structure according to claim 7, characterized in that: The outer walls of the pretreatment zone (11), the constant temperature zone (12), the reflow zone (13), the vacuum zone (14) and the cooling zone (15) are all fixedly connected with a pressure gauge (8); the detection end of the pressure gauge (8) is arranged inside the fixed protruding block (19).