A hose production air tightness testing equipment

Abstract

The utility model discloses a hose production air tightness detection device, comprising a fixed platform, a support column fixedly connected to the surface of the fixed platform, a bracket fixedly connected to the surface of the fixed platform, a plurality of hoses are sequentially placed in a conveying mechanism, the conveying mechanism is started to convey the hose to move horizontally, a positioning component is started to detect the moving position of the hose, when the hose moves to just below a detection box, a first electric push rod is started to push the detection box downward to be sleeved on the hose and the surface of the conveying mechanism, a sealing component is started to seal the hose, an air intake mechanism is started to inject nitrogen into the hose, and a nitrogen detector is started at the same time to detect the nitrogen leakage state of the hose, and the above actions can be repeated to continuously perform air tightness detection on the hose, thereby achieving the goal of facilitating continuous air tightness detection on a plurality of hoses and avoiding the problem that the production detection efficiency of the hose is greatly reduced due to the poor detection continuity of the hose by the existing detection equipment.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber hose production, in particular to an air tightness detection device for rubber hose production. Background Art

[0002] A hose is a type of tubular rubber product used to transport gas, liquid, slurry or granular materials. It consists of inner and outer rubber layers and a skeleton layer. The skeleton layer can be made of cotton fiber, various synthetic fibers, carbon fiber or asbestos, steel wire, etc.

[0003] After the production of the hose is completed, the hose needs to be tested for air tightness to detect the overall sealing of the hose. However, the existing air tightness testing equipment has poor detection continuity for hoses and it is difficult to perform continuous testing on multiple hoses, which greatly reduces the production and testing efficiency of the hose. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an air tightness detection device for hose production, which is used to solve the problems raised in the above background technology.

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

[0006] A hose production air tightness testing device comprises a fixed platform, a support column is fixedly connected to the surface of the fixed platform, a bracket is fixedly connected to the surface of the fixed platform, a first electric push rod is fixedly connected to the inner wall of the bracket, a test box is fixedly connected to the output end of the first electric push rod, a nitrogen detector is fixedly connected to the inner wall of the test box, a conveying mechanism is arranged on the front of the fixed platform, a sealing assembly is arranged inside the bracket, an air intake mechanism is arranged on the front of the bracket, and a positioning assembly is arranged on the top surface of the test box.

[0007] Preferably, the conveying mechanism consists of a servo motor, a transmission roller, a conveyor belt and a conveying seat, the servo motor is fixedly connected to the front side of the fixed platform, and the output end of the servo motor is rotatably connected to the inner wall of the fixed platform, the transmission roller is rotatably connected to the inner wall of the fixed platform, and the transmission roller is fixedly connected to the output end of the servo motor, the conveyor belt is meshed with the surface of the transmission roller, and the inner wall of the conveyor belt is slidably connected to the surface of the fixed platform, and the surface of the conveyor belt overlaps the bottom surface of the detection box, the conveying seat is fixedly connected to the surface of the conveyor belt, and the surface of the conveyor seat is slidably connected to the inner wall of the detection box.

[0008] Preferably, the sealing assembly consists of a second electric push rod and a sealing cover, the second electric push rod is fixedly connected to the inner wall of the bracket, and the sealing cover is fixedly connected to the output end of the second electric push rod.

[0009] Preferably, the air intake mechanism consists of an air pump, a bellows and an air intake pipe, the air pump is fixedly connected to the front side of the bracket, the air intake end of the bellows is fixedly connected to the air outlet end of the air pump, and the surface of the bellows is slidingly connected to the inner wall of the bracket, the air intake end of the air intake pipe is fixedly connected to the air outlet end of the bellows, and the surface of the air intake pipe is fixedly connected to the inner wall of the output end of the second electric push rod, and the surface of the air intake pipe is fixedly connected to the inner wall of the sealing cover.

[0010] Preferably, the positioning assembly consists of a fixing frame and a positioning camera, the fixing frame is fixedly connected to the top surface of the detection box, and the positioning camera is fixedly connected to the inner wall of the fixing frame.

[0011] Preferably, there are multiple nitrogen detectors, and all of the multiple nitrogen detectors are located inside the detection box.

[0012] Preferably, the conveying seat is in a "concave" shape, and is made of silicone material.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the hose production airtightness detection equipment puts multiple hoses into the conveying mechanism in turn, starts the conveying mechanism to convey the hose to move horizontally, starts the positioning component to detect the moving position of the hose, and when the hose moves to just below the detection box, starts the first electric push rod to push the detection box downward to sleeve on the surface of the hose and the conveying mechanism, starts the sealing component to seal the hose, starts the air intake mechanism to inject nitrogen into the hose, and simultaneously starts the nitrogen detector to detect the nitrogen leakage status of the hose, and repeats the above actions to perform continuous airtightness detection on the hose; the goal of facilitating continuous airtightness detection of multiple hoses is achieved, and the problem of greatly reduced production detection efficiency of the hose due to poor detection continuity of the existing detection equipment on the hose is avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the structural survey drawing of the utility model;

[0015] Figure 2 This is an enlarged view of the structure A of the utility model;

[0016] Figure 3 It is a right sectional view of the structure of the utility model;

[0017] Figure 4 This is an enlarged view of the structure B of the utility model;

[0018] Figure 5 It is the rear view of the structure of the utility model.

[0019] In the figure: 1. fixed platform; 2. support column; 3. bracket; 4. first electric push rod; 5. detection box; 6. nitrogen detector; 7. servo motor; 8. transmission roller; 9. conveyor belt; 10. conveying seat; 11. second electric push rod; 12. sealing cover; 13. air pump; 14. bellows; 15. air inlet pipe; 16. fixing frame; 17. positioning camera. DETAILED DESCRIPTION

[0020] 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 in 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.

[0021] Reference Figure 1-5 , a hose production air tightness detection equipment, including a fixed platform 1, a support column 2 is fixedly connected to the surface of the fixed platform 1, a bracket 3 is fixedly connected to the surface of the fixed platform 1, a first electric push rod 4 is fixedly connected to the inner wall of the bracket 3, a detection box 5 is fixedly connected to the output end of the first electric push rod 4, a nitrogen detector 6 is fixedly connected to the inner wall of the detection box 5, the number of nitrogen detectors 6 is multiple, and the multiple nitrogen detectors 6 are all located inside the detection box 5, which are used to detect nitrogen leakage status, thereby improving the detection accuracy. A conveying mechanism is arranged on the front of the fixed platform 1, and the conveying mechanism is composed of a servo motor 7, a transmission roller 8, a conveyor belt 9 and a conveying seat 10. The conveying seat 10 is "concave" in shape, and the conveying seat 10 is made of silicone material. The conveying seat 10 made of silicone material has stronger flexibility and is convenient for The conveying stability of the hose is improved by the deformation coordination conveyor belt 9, the servo motor 7 is fixedly connected to the front of the fixed platform 1, and the output end of the servo motor 7 is rotationally connected to the inner wall of the fixed platform 1, the transmission roller 8 is rotationally connected to the inner wall of the fixed platform 1, and the transmission roller 8 is fixedly connected to the output end of the servo motor 7, the conveyor belt 9 is meshed with the surface of the transmission roller 8, and the inner wall of the conveyor belt 9 is slidingly connected to the surface of the fixed platform 1, and the surface of the conveyor belt 9 overlaps the bottom surface of the detection box 5, the conveying seat 10 is fixedly connected to the surface of the conveyor belt 9, and the surface of the conveying seat 10 is slidingly connected to the inner wall of the detection box 5, which is used to convey multiple hoses to move horizontally, so as to facilitate continuity detection. A sealing component is arranged inside the bracket 3, an air intake mechanism is arranged on the front of the bracket 3, and a positioning component is arranged on the top surface of the detection box 5.

[0022] Specifically, the sealing assembly consists of a second electric push rod 11 and a sealing cover 12. The second electric push rod 11 is fixedly connected to the inner wall of the bracket 3, and the sealing cover 12 is fixedly connected to the output end of the second electric push rod 11, which is used to seal both ends of the hose to avoid nitrogen leakage and improve the stability of airtightness detection.

[0023] Specifically, the air intake mechanism consists of an air pump 13, a bellows 14 and an air intake pipe 15. The air pump 13 is fixedly connected to the front of the bracket 3, the air intake end of the bellows 14 is fixedly connected to the air outlet end of the air pump 13, and the surface of the bellows 14 is slidably connected to the inner wall of the bracket 3, the air intake end of the air intake pipe 15 is fixedly connected to the air outlet end of the bellows 14, and the surface of the air intake pipe 15 is fixedly connected to the inner wall of the output end of the second electric push rod 11, and the surface of the air intake pipe 15 is fixedly connected to the inner wall of the sealing cover 12, which is used to transport nitrogen into the hose, so as to facilitate automatic air tightness detection of the hose.

[0024] Specifically, the positioning assembly is composed of a fixing frame 16 and a positioning camera 17. The fixing frame 16 is fixedly connected to the top surface of the detection box 5, and the positioning camera 17 is fixedly connected to the inner wall of the fixing frame 16 for detecting the conveying position of the hose, thereby improving the detection accuracy.

[0025] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0026] When in use: put multiple hoses that need to be tested into the conveying seat 10 in turn, start the servo motor 7 to drive the transmission roller 8 to rotate along the inner wall of the fixed platform 1, and drive the conveying seat 10 and the hose to move horizontally through the meshing of the transmission roller 8 and the conveyor belt 9, start the positioning camera 17 to detect the moving position of the hose, and when the hose moves to the bottom of the detection box 5, start the first electric push rod 4 to push the detection box 5 to move downward and slide and connect with the surface of the hose and the surface of the conveying seat 10, start multiple second electric push rods 11 to cooperate with the expansion and contraction of the bellows 14 to push multiple sealing covers 12 to move and contact with both ends of the hose, so that the hose can be sealed, connect the air pump 13 to the nitrogen storage equipment, start the air pump 13 to suck nitrogen and inject it into the hose through the bellows 14 and the air inlet pipe 15, and start the nitrogen detector 6 at the same time to detect the nitrogen content inside the detection box 5, so as to detect the nitrogen leakage state of the hose, and repeat the above actions to perform continuous air tightness detection on the hose.

[0027] To summarize, the equipment for testing air tightness in production of hoses sequentially places a plurality of hoses into a conveying mechanism, starts the conveying mechanism to convey the hoses to move laterally, starts the positioning assembly to detect the moving position of the hoses, and when the hoses move to just below the detection box 5, starts the first electric push rod 4 to push the detection box 5 downward to sleeve onto the surfaces of the hoses and the conveying mechanism, starts the sealing assembly to seal the hoses, starts the air intake mechanism to inject nitrogen into the hoses, and simultaneously starts the nitrogen detector 6 to detect nitrogen leakage status of the hoses, and repeats the above actions to perform continuous air tightness testing on the hoses, thereby achieving the goal of facilitating continuous air tightness testing on a plurality of hoses and avoiding the problem that the production testing efficiency of the hoses is greatly reduced due to the poor detection continuity of the existing testing equipment, and is used to solve the problems raised in the above background technology.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hose production air tightness detection device, comprising a fixed platform (1), characterized in that: The surface of the fixed platform (1) is fixedly connected to a support column (2), the surface of the fixed platform (1) is fixedly connected to a bracket (3), the inner wall of the bracket (3) is fixedly connected to a first electric push rod (4), the output end of the first electric push rod (4) is fixedly connected to a detection box (5), the inner wall of the detection box (5) is fixedly connected to a nitrogen detector (6), the front of the fixed platform (1) is provided with a conveying mechanism, the inside of the bracket (3) is provided with a sealing component, the front of the bracket (3) is provided with an air intake mechanism, and the top surface of the detection box (5) is provided with a positioning component.

2. The hose production air tightness detection equipment according to claim 1 is characterized in that: The conveying mechanism comprises a servo motor (7), a transmission roller (8), a conveyor belt (9) and a conveying seat (10); the servo motor (7) is fixedly connected to the front of the fixed platform (1), and the output end of the servo motor (7) is rotatably connected to the inner wall of the fixed platform (1); the transmission roller (8) is rotatably connected to the inner wall of the fixed platform (1), and the transmission roller (8) is fixedly connected to the output end of the servo motor (7); the conveyor belt (9) is meshed with the surface of the transmission roller (8), and the inner wall of the conveyor belt (9) is slidably connected to the surface of the fixed platform (1), and the surface of the conveyor belt (9) overlaps the bottom surface of the detection box (5); the conveying seat (10) is fixedly connected to the surface of the conveyor belt (9), and the surface of the conveyor seat (10) is slidably connected to the inner wall of the detection box (5).

3. The hose production air tightness detection equipment according to claim 1 is characterized in that: The sealing assembly is composed of a second electric push rod (11) and a sealing cover (12); the second electric push rod (11) is fixedly connected to the inner wall of the bracket (3); and the sealing cover (12) is fixedly connected to the output end of the second electric push rod (11).

4. The hose production air tightness detection equipment according to claim 1, characterized in that: The air intake mechanism is composed of an air pump (13), a bellows (14) and an air intake pipe (15); the air pump (13) is fixedly connected to the front of the bracket (3); the air intake end of the bellows (14) is fixedly connected to the air outlet end of the air pump (13); the surface of the bellows (14) is slidably connected to the inner wall of the bracket (3); the air intake end of the air intake pipe (15) is fixedly connected to the air outlet end of the bellows (14); the surface of the air intake pipe (15) is fixedly connected to the inner wall of the output end of the second electric push rod (11); and the surface of the air intake pipe (15) is fixedly connected to the inner wall of the sealing cover (12).

5. The hose production air tightness detection equipment according to claim 1, characterized in that: The positioning assembly is composed of a fixing frame (16) and a positioning camera (17); the fixing frame (16) is fixedly connected to the top surface of the detection box (5); and the positioning camera (17) is fixedly connected to the inner wall of the fixing frame (16).

6. The hose production air tightness detection equipment according to claim 1, characterized in that: There are multiple nitrogen detectors (6), and the multiple nitrogen detectors (6) are all located inside the detection box (5).

7. The hose production air tightness detection equipment according to claim 2, characterized in that: The conveying seat (10) is in a "concave" shape, and the conveying seat (10) is made of a silicone material.

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