Automobile plastic part air tightness detection tool

Abstract

The utility model belongs to the technical field of plastic part air tightness detection, and particularly relates to an automobile plastic part air tightness detection tool which comprises a fixed platform. The top of the fixed platform is fixedly connected with a sliding rail. Transmission equipment is fixedly connected to the bottom of the fixed platform; a first threaded rotating column is rotationally connected to the top of the transmission equipment; the first threaded rotary column is arranged on the inner side of the sliding rail; a sliding plate is slidably connected to the inner side of the sliding rail; the first threaded rotary column is in threaded connection with the sliding plate; during working, the sliding plate drives the PE pipeline to enter the inner side of the detection equipment through the inner side of the expansion slot, so that air tightness detection of the automobile plastic part can be performed; according to the whole device, the situation that detection errors of the PE pipeline are increased due to the fact that air pressure in the PE pipeline floats easily when detection liquid enters the PE pipeline through the two ends of the PE pipeline is reduced; a threaded plate is matched with a second threaded rotating column, so that the rotating condition of the second threaded rotating column is reduced; and the sealing effect of the sealing column on the PE pipeline is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of air tightness detection of plastic parts, in particular to an air tightness detection tool for automobile plastic parts. Background Art

[0002] Automotive plastic parts include bumpers, trims, PE pipes and functional parts. By conducting air tightness tests on automotive plastic parts, the occurrence of leakage during long-term operation of automotive plastic parts is reduced.

[0003] In the current existing technology, the air tightness testing tool for automobile plastic parts is often composed of moving components, fixed components and air tightness testing components. After the automobile plastic parts are fixed by the fixed components, the automobile plastic parts are moved to the inside of the air tightness testing equipment through the moving components, and then the air tightness testing work can be carried out.

[0004] In the existing automobile plastic parts air tightness testing tool, when the PE pipe is tested for air tightness, part of the testing liquid enters the PE pipe through both ends of the PE pipe, which can easily cause the air pressure inside the PE pipe to fluctuate, thereby increasing the detection error of the PE pipe; therefore, an automobile plastic parts air tightness testing tool is proposed to address the above problem. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background technology, the utility model proposes an air tightness detection tool for automobile plastic parts.

[0006] The technical solution adopted by the utility model to solve its technical problems is as follows: the utility model is a kind of automobile plastic parts air tightness detection tool, comprising a fixed platform; a slide rail is fixedly connected to the top of the fixed platform; a transmission device is fixedly connected to the bottom of the fixed platform; a first threaded rotating column is rotatably connected to the top of the transmission device; the first threaded rotating column is arranged on the inner side of the slide rail; a slide plate is slidably connected to the inner side of the slide rail; the first threaded rotating column and the slide plate are threadedly connected; a pair of storage columns are fixedly connected to the side of the slide plate away from the fixed platform; a pair of storage columns are fixedly connected to sealing columns at one end close to each other; a pair of storage columns are fixedly connected to the bottom of the fixed platform; a pair of storage columns are fixedly connected to the ... The columns are rotatably connected to the second threaded rotating column at one end away from each other; the inner side of the storage column is rotatably connected to the threaded plate; the threaded plate and the second threaded rotating column are threadedly connected; a pair of the second threaded rotating columns are fixedly connected to a gear at one end close to each other; a pair of spring columns are fixedly connected to the inner wall of the storage column; a pair of spring columns are fixedly connected to a rack at one end close to each other; a pair of racks are meshed with the gear; a pair of racks are fixedly connected to a support plate at one end close to each other; the support plate is arranged on the inner side of the sealing column; an expansion slot is provided through the top of the fixed platform; a detection device is fixedly connected to the bottom of the fixed platform.

[0007] Preferably, the side walls of the slide board away from the slide rail are fixedly connected to a fixed sleeve plate; the side walls of the slide board are fixedly connected to a pair of third threaded rotating cylinders; a fixed plate is sleeved on the outer side of the pair of third threaded rotating cylinders; a pair of threaded sleeve columns are rotatably connected to the inner side of the fixed plate; the pair of third threaded rotating cylinders and the threaded sleeve columns are threadedly connected.

[0008] Preferably, a drainage trough is provided on the outer side wall of the detection device; a collecting box is fixedly connected to the bottom of the fixed platform; the top of the collecting box is on the same horizontal line as the inner bottom of the drainage trough; and a drainage valve is provided at one end of the collecting box away from the slide.

[0009] Preferably, a protective soft plate is fixedly connected to one end of the fixing plate away from the sliding plate; the protective soft plate is arranged on the inner side of the fixing sleeve plate.

[0010] Preferably, a pair of the storage columns are fixedly connected to each other at one end with a sealing sleeve column; and the pair of the sealing sleeve columns are sleeved on the outer side wall of the second threaded rotating column.

[0011] Preferably, a base plate is fixedly connected to the bottom of the skateboard.

[0012] Preferably, a pair of support arms are fixedly connected to the side walls of the slide plate; and the tops of the support arms are connected to the bottom of the fixed sleeve plate.

[0013] Beneficial effects of the utility model:

[0014] 1. The utility model provides an automobile plastic parts air tightness detection tool. When the transmission device is started, the transmission device drives the slide plate to move downward through the first threaded rotating column, and finally the slide plate drives the PE pipe to enter the inner side of the detection device through the inner side of the expansion slot, so that the automobile plastic parts air tightness detection can be performed; the overall device reduces the detection liquid from entering the PE pipe through the two ends of the PE pipe, which easily causes the air pressure inside the PE pipe to float, thereby increasing the detection error of the PE pipe; the threaded plate and the second threaded rotating column cooperate with each other, thereby reducing the rotation of the second threaded rotating column; and the sealing effect of the sealing column on the PE pipe is improved.

[0015] 2. The utility model provides an air tightness detection tool for automobile plastic parts. The movable threaded sleeve column cooperates with the third threaded rotating column to reduce the shaking of the PE pipe when it is fixed on the inner side of the fixed sleeve plate. The overall device improves the stability of the PE pipe after the PE pipe enters the inner side of the detection equipment for sealing, and reduces the increase of bubbles and errors caused by shaking of the PE pipe when it is detected on the inner side of the detection equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0017] In the attached picture:

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

[0019] Figure 2 yes Figure 1 A magnified image of point A;

[0020] Figure 3 It is a three-dimensional diagram of the detection equipment in the utility model;

[0021] Figure 4 It is a three-dimensional diagram of the sealing column in the utility model;

[0022] Figure 5 yes Figure 4 Enlarged view of point B.

[0023] Legend:

[0024] 1. Fixed platform; 11. Slide rail; 12. Transmission equipment; 13. First threaded rotating column; 14. Slide plate; 15. Storage column; 16. Sealing column; 17. Second threaded rotating column; 18. Threaded plate; 19. Gear; 110. Spring column; 111. Rack; 112. Support plate; 113. Expansion slot; 114. Detection equipment; 2. Fixed sleeve plate; 21. Third threaded rotating column; 22. Fixed plate; 23. Threaded sleeve column; 3. Drain trough; 31. Collection box; 32. Drain valve; 4. Protective soft board; 5. Sealing sleeve column; 6. Bottom plate; 7. Support arm. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Specific examples are given below.

[0027] See also Figure 1 - Figure 5The utility model provides an automobile plastic parts air tightness detection tool, comprising a fixed platform 1; a slide rail 11 is fixedly connected to the top of the fixed platform 1; a transmission device 12 is fixedly connected to the bottom of the fixed platform 1; a first threaded rotating column 13 is rotatably connected to the top of the transmission device 12; the first threaded rotating column 13 is arranged on the inner side of the slide rail 11; a slide plate 14 is slidably connected to the inner side of the slide rail 11; the first threaded rotating column 13 and the slide plate 14 are threadedly connected; a pair of storage columns 15 are fixedly connected to the side of the slide plate 14 away from the fixed platform 1; a sealing column 16 is fixedly connected to the end of the pair of storage columns 15 close to each other; a pair of storage columns 15 are fixedly connected to the end away from each other A second threaded rotating column 17 is rotatably connected; a threaded plate 18 is rotatably connected to the inner side of the storage column 15; the threaded plate 18 and the second threaded rotating column 17 are threadedly connected; a pair of the second threaded rotating columns 17 are fixedly connected to a gear 19 at one end close to each other; a pair of spring columns 110 are fixedly connected to the inner wall of the storage column 15; a pair of the spring columns 110 are fixedly connected to a rack 111 at one end close to each other; a pair of the racks 111 are meshed with the gear 19; a pair of the racks 111 are fixedly connected to a support plate 112 at one end close to each other; the support plate 112 is arranged on the inner side of the sealing column 16; an expansion slot 113 is provided through the top of the fixed platform 1; The bottom of the fixed platform 1 is fixedly connected with a detection device 114; when working, after the PE pipe is placed on the inner side of the slide plate 14, the inner sides of both ends of the PE pipe are fitted with the outer side walls of a pair of sealing columns 16, and by rotating a pair of second threaded rotating columns 17, the second threaded rotating columns 17 drive a pair of racks 111 and a support plate 112 to approach each other through a gear 19, and finally a pair of support plates 112 support the inner side walls of the sealing columns 16, so that the outer side walls of the sealing columns 16 are deformed, so that the outer side walls of the sealing columns 16 are fitted with the inner side walls of the PE pipe, and the PE pipe is sealed by the cooperation of the pair of sealing columns 16; the sealing column 16 is sealed After completion, start the transmission device 12, and the transmission device 12 drives the slide plate 14 to move downward through the first threaded rotating column 13, and finally the slide plate 14 drives the PE pipe through the inner side of the expansion slot 113 to enter the inner side of the detection device 114, so that the air tightness detection of automobile plastic parts can be carried out; the overall device reduces the detection liquid from entering the PE pipe through both ends of the PE pipe, which easily causes the internal air pressure of the PE pipe to fluctuate, thereby increasing the detection error of the PE pipe; the threaded plate 18 and the second threaded rotating column 17 cooperate with each other to reduce the rotation of the second threaded rotating column 17; and the sealing effect of the sealing column 16 on the PE pipe is improved.

[0028] like Figure 2As shown, the side wall of the slide plate 14 away from the slide rail 11 is fixedly connected with a fixed sleeve plate 2; the side wall of the slide plate 14 is fixedly connected with a pair of third threaded rotating columns 21; a fixed plate 22 is sleeved on the outer side of the pair of third threaded rotating columns 21; a pair of threaded sleeve columns 23 are rotatably connected to the inner side of the fixed plate 22; the pair of third threaded rotating columns 21 and the threaded sleeve column 23 are threadedly connected; during operation, after the PE pipe is placed on the inner side of the fixed plate 22 and the fixed sleeve plate 2, the fixed plate 22 is operated to move away from the slide plate 14, and finally the fixed plate 22 cooperates with the fixed sleeve plate 2 to fix the PE pipe, and the moving threaded sleeve column 23 cooperates with the third threaded rotating column 21, which reduces the shaking of the PE pipe when it is fixed on the inner side of the fixed sleeve plate 2; the overall device improves the stability of the PE pipe after the PE pipe enters the inner side of the detection equipment 114 for sealing, and reduces the increase of bubbles and errors caused by shaking when the PE pipe is detected on the inner side of the detection equipment 114.

[0029] like Figure 3 As shown, a drainage groove 3 is provided on the outer wall of the detection device 114; a collecting box 31 is fixedly connected to the bottom of the fixed platform 1; the top of the collecting box 31 is on the same horizontal line as the inner bottom of the drainage groove 3; the collecting box 31 is connected to the end away from the slide plate 14 and is provided with a drainage valve 32; during operation, when the slide plate 14 enters the inner side of the detection device 114, the liquid inside the detection device 114 enters the inner side of the collecting box 31 through the inner side of the drainage groove 3, thereby achieving the effect of collecting the detection liquid and reducing the occurrence of a high waste rate of the detection liquid; and the liquid inside the collecting box 31 can be discharged to the outside through the drainage valve 32.

[0030] like Figure 2 As shown, the fixed plate 22 is fixedly connected with a protective soft plate 4 at one end away from the slide plate 14; the protective soft plate 4 is arranged on the inner side of the fixed sleeve plate 2; during operation, the fixed plate 22 moves, driving the protective soft plate 4 to move together, and finally the protective soft plate 4 fits together with the outer surface of the PE pipe, and because the protective soft plate 4 itself is made of elastic material, the protective soft plate 4 reduces the fixed plate 22 from fitting together with the PE pipe for a long time, resulting in high wear.

[0031] like Figure 4 As shown, a pair of the storage columns 15 are fixedly connected to each other with a sealing sleeve column 5 at one end; the pair of the sealing sleeve columns 5 are sleeved on the outer side wall of the second threaded rotating column 17;

[0032] During operation, when the storage column 15 enters the inner side of the detection device 114, the sealing sleeve column 5 can block the liquid, thereby reducing the occurrence of the detection liquid entering the interior of the storage column 15 through the connection between the second threaded rotating column 17 and the storage column 15; and improving the cleanliness of the inside of the storage column 15.

[0033] like Figure 1 As shown, the bottom of the slide plate 14 is fixedly connected to a bottom plate 6; when working, the bottom plate 6 enters the inner side of the detection device 114 together with the slide plate 14. Since the bottom end of the bottom plate 6 is conical, the bottom plate 6 reduces the bubbles generated by the slide plate 14 entering the inner side of the detection device 114, thereby improving the stability of the PE pipe during detection.

[0034] like Figure 3 As shown, a pair of support arms 7 are fixedly connected to the side walls of the slide plate 14; the top of the support arm 7 is interconnected with the bottom of the fixed sleeve 2; when working, the support arm 7 can support the fixed sleeve 2, thereby reducing the load at the connection between the fixed sleeve 2 and the slide plate 14, and improving the stability of the fixed sleeve 2 when working for a long time.

[0035] Working principle: When working, after placing the PE pipe on the inner side of the slide plate 14, the inner sides of both ends of the PE pipe are fitted with the outer side walls of a pair of sealing columns 16, and by rotating a pair of second threaded rotating columns 17, the second threaded rotating columns 17 drive a pair of racks 111 and a support plate 112 to approach each other through a gear 19, and finally a pair of support plates 112 support the inner side walls of the sealing columns 16, so that the outer side walls of the sealing columns 16 are deformed, so that the outer side walls of the sealing columns 16 and the inner side walls of the PE pipe are fitted with each other, and the PE pipe is sealed by the cooperation of the pair of sealing columns 16; after the sealing of the sealing column 16 is completed, the transmission device 12 is started, and the transmission device 12 drives the first threaded rotating column 13 to drive the transmission device 12 to drive ... first threaded rotating column 13 to drive the transmission device 12 to drive the first threaded rotating column 13 to drive the first threaded rotating column 13 to drive the first threaded rotating column The movable slide plate 14 moves downward, and finally the slide plate 14 drives the PE pipe to enter the inner side of the detection device 114 through the inner side of the expansion slot 113, so that the air tightness detection of automobile plastic parts can be carried out; the overall device reduces the detection liquid from entering the PE pipe through both ends of the PE pipe, which easily causes the internal air pressure of the PE pipe to float, thereby increasing the detection error of the PE pipe; the threaded plate 18 cooperates with the second threaded rotating column 17 to reduce the rotation of the second threaded rotating column 17; the sealing effect of the sealing column 16 on the PE pipe is improved; after the PE pipe is placed on the inner side of the fixed plate 22 and the fixed sleeve plate 2, the fixed plate 22 is operated to move away from the slide plate 14, and finally The fixed plate 22 cooperates with the fixed sleeve plate 2 to fix the PE pipe, and the movable threaded sleeve column 23 cooperates with the third threaded rotating column 21 to reduce the shaking of the PE pipe when it is fixed on the inner side of the fixed sleeve plate 2; the overall device improves the stability of the PE pipe after the PE pipe enters the inner side of the detection device 114 for sealing, and reduces the increase of bubbles and errors caused by shaking when the PE pipe is detected on the inner side of the detection device 114; when the slide plate 14 enters the inner side of the detection device 114, the liquid inside the detection device 114 enters the inner side of the collection box 31 through the inner side of the drainage groove 3, thereby achieving the effect of collecting the detection liquid and reducing The waste rate of detection liquid is high; and the liquid inside the collection box 31 can be discharged to the outside through the drain valve 32; during the movement of the fixed plate 22, the protective soft plate 4 is driven to move together, and finally the protective soft plate 4 is in contact with the outer surface of the PE pipe, and because the protective soft plate 4 itself is made of elastic material, the protective soft plate 4 reduces the long-term contact between the fixed plate 22 and the PE pipe, resulting in high wear; when the storage column 15 enters the inside of the detection device 114, the sealing sleeve column 5 can block the liquid, thereby reducing the detection liquid from entering the inside of the storage column 15 through the connection between the second threaded rotating column 17 and the storage column 15; the cleanliness of the inside of the storage column 15 is improved;The bottom plate 6 enters the inner side of the detection device 114 together with the slide plate 14. Since the bottom end of the bottom plate 6 is conical, the bottom plate 6 reduces the bubbles generated by the slide plate 14 entering the inner side of the detection device 114, thereby improving the stability of the PE pipe during detection; the support arm 7 can support the fixed sleeve 2, thereby reducing the load at the connection between the fixed sleeve 2 and the slide plate 14, and improving the stability of the fixed sleeve 2 during long-term operation. ;

[0036] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A tool for testing the air tightness of automobile plastic parts, comprising a fixed platform (1); Features: The top of the fixed platform (1) is fixedly connected to a slide rail (11); the bottom of the fixed platform (1) is fixedly connected to a transmission device (12); the top of the transmission device (12) is rotatably connected to a first threaded rotating column (13); the first threaded rotating column (13) is arranged on the inner side of the slide rail (11); the inner side of the slide rail (11) is slidably connected to a slide plate (14); the first threaded rotating column (13) and the slide plate (14) are threadedly connected; a pair of storage columns (15) are fixedly connected to the side of the slide plate (14) away from the fixed platform (1); the pair of storage columns (15) are fixedly connected to a sealing column (16) at one end close to each other; the pair of storage columns (15) are rotatably connected to a second threaded rotating column (17) at one end away from each other; the inner side of the storage columns (15) is rotatably connected to the second threaded rotating column (17); the inner side of the storage columns (15) is rotatably connected to the first threaded rotating column (13); the first threaded rotating column (13) and the slide plate (14) are threadedly connected; the side of the slide plate (14) away from the fixed platform (1) is fixedly connected to a pair of storage columns (15); the sealing column (16) is fixedly connected to the end of the pair of storage columns (15) away from each other; the second threaded rotating column (17) is rotatably connected to the second threaded rotating column (17); the inner side of the storage columns (15) is rotatably connected to the first threaded rotating column (13); the first threaded rotating column (13) and the slide plate (14) are threadedly connected to the first threaded rotating column (13); the first threaded rotating column (13) and the slide plate (14) are threadedly connected to the first threaded rotating column (17); the inner side of the storage columns (1 A threaded plate (18) is connected; the threaded plate (18) and the second threaded rotating column (17) are threadedly connected; a pair of the second threaded rotating columns (17) are fixedly connected to a gear (19) at one end close to each other; a pair of spring columns (110) are fixedly connected to the inner wall of the storage column (15); a pair of the spring columns (110) are fixedly connected to a rack (111) at one end close to each other; a pair of the racks (111) are meshed with the gear (19); a pair of the racks (111) are fixedly connected to a support plate (112) at one end close to each other; the support plate (112) is arranged on the inner side of the sealing column (16); an expansion slot (113) is provided through the top of the fixed platform (1); and a detection device (114) is fixedly connected to the bottom of the fixed platform (1).

2. The air tightness testing tool for automobile plastic parts according to claim 1, Features: The side wall of the slide plate (14) away from the slide rail (11) is fixedly connected to a fixed sleeve plate (2); the side wall of the slide plate (14) is fixedly connected to a pair of third threaded rotating columns (21); a fixed plate (22) is sleeved on the outer side of the pair of third threaded rotating columns (21); a pair of threaded sleeve columns (23) are rotatably connected on the inner side of the fixed plate (22); the pair of third threaded rotating columns (21) and the threaded sleeve columns (23) are threadedly connected.

3. The air tightness testing tool for automobile plastic parts according to claim 1, Features: The outer wall of the detection device (114) is provided with a drainage groove (3); the bottom of the fixed platform (1) is fixedly connected with a collection box (31); the top of the collection box (31) and the inner bottom of the drainage groove (3) are on the same horizontal line; the end of the collection box (31) away from the slide plate (14) is connected with a drainage valve (32).

4. The air tightness testing tool for automobile plastic parts according to claim 2, Features: A protective soft plate (4) is fixedly connected to one end of the fixed plate (22) away from the slide plate (14); the protective soft plate (4) is arranged on the inner side of the fixed sleeve plate (2).

5. The air tightness testing tool for automobile plastic parts according to claim 1, Features: A pair of the storage columns (15) are both fixedly connected with a sealing sleeve column (5) at one end thereof; the pair of the sealing sleeve columns (5) are both sleeved on the outer side wall of the second threaded rotating column (17).

6. The air tightness testing tool for automobile plastic parts according to claim 1, Features: The bottom of the slide plate (14) is fixedly connected to a bottom plate (6).

7. The air tightness testing tool for automobile plastic parts according to claim 2, Features: A pair of support arms (7) are fixedly connected to the side walls of the slide plate (14); the tops of the support arms (7) are connected to the bottom of the fixed sleeve plate (2).

Images