Pressure testing device for injection tube production

By combining an infrared sensor and a telescopic cylinder, the rotation of the injection tube and the control of its internal air pressure are achieved, solving the problem of incomplete surface pressure testing of the injection tube in existing technologies and improving testing accuracy and intelligence.

CN223597426UActive Publication Date: 2025-11-25WANDEFU (SHANGHAI) NEW MATERIALS CO LTD
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Patent Information

Application Number
CN202520252384.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2025-11-25
Estimated Expiration
2035-02-17

AI Technical Summary

Technical Problem

Existing pressure testing equipment for injection tube production can only perform pressure tests on a certain location on the surface of the injection tube, making it difficult to achieve comprehensive pressure application and deformation testing, resulting in poor test results.

Method used

A pressure testing device for injection tube production was designed. By installing an infrared sensor and a telescopic cylinder, the rotational movement and internal air pressure control of the injection tube are realized. Combined with a PLC controller, intelligent testing is carried out. The infrared sensor monitors deformation and the electronic digital pressure gauge monitors the air pressure value in real time, realizing comprehensive deformation testing and intelligent quantitative pressure application.

Benefits of technology

It enables comprehensive deformation testing of the injection tube surface, improving testing accuracy and applicability, and enhancing the ease of operation and intelligent control capabilities of the testing device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a pressure testing device for injection tube production, which comprises a base, a fixing frame is welded at one end of the base, an infrared sensor is mounted on the fixing frame through a screw, and a PLC (programmable logic controller) is mounted on the outer side wall of the base. By installing the stepping motor and the like, when the device is used, the stepping motor installed in the base is started to drive the top frame connected with the output end of the stepping motor to rotate, and then the injection tube fixed between the upper test seat and the lower test seat can be driven to rotate; therefore, the outer surface of the injection tube fixed between the upper testing seat and the lower testing seat can sequentially pass through the infrared sensors on the fixing frame, when the surface of an object deforms due to pressure, the infrared radiation characteristic of the object changes, and the infrared sensors monitor the deformation by detecting the changes. And through the rotating injection tube, comprehensive deformation test on the surface of the injection tube product can be realized, and the test precision is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to injection pipe production test technical field, concretely is a pressure testing device for injection pipe production. BACKGROUND

[0002] Chemical injection pipe completes production and processing on the assembly line, in order to ensure that the weld is not a problem, often need to use injection pipe production pressure testing device, it can carry out pressure test to ensure product quality, however, this kind of testing device specific utilization still there are some defects.

[0003] Such as the pressure pipe production pressure testing device disclosed in application No. 202323548346.9, including the chassis, and setting up the hydraulic machine, the pressing plate, the main control ware and the material withdrawal assembly on the chassis, the piston rod lower end of the hydraulic machine is provided with the pressure head, the bottom of the pressure head is provided with the pressure sensor, the pressing plate is provided with the rectangular hole along its thickness direction, the side of the pressing plate is provided with the accommodating cavity, the adjusting mechanism is provided in the accommodating cavity, the infrared sensor is provided on the adjusting mechanism, the utility model discloses a pressure sensor is arranged at the bottom of the pressure head, the data obtained is returned to the main control ware, and the deformation amount of the plate material obtained by the infrared sensor is also transmitted to the main control ware, the data analysis of force value and deformation amount is compared with the established parameter, so that whether the plate material is qualified is detected, and the material is withdrawn through the material withdrawal assembly, the device is fast in continuous test speed and high in automation degree, but it still has the problems that it can only test the pressure of the surface of the injection pipe at a certain position, and it is not easy to realize the comprehensive test of the surface of the injection pipe, which leads to the poor test effect of the device, and based on this, a new type of pressure testing device for injection pipe production is proposed. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a pressure testing device for injection pipe production to solve the problems in the background art.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: A pressure test device for injection pipe production, including the base, one end of the base is welded with the fixing frame, the infrared sensor is installed on the fixed frame through the screw, the outside wall of the base is installed with PLC controller, the inside of the base is installed with the stepping motor, the output of the stepping motor is connected with the top frame, the top frame is provided with the reserved opening matched with the infrared sensor, both sides of the top frame top are all fixed with the telescopic air cylinder, the output of telescopic air cylinder is connected with the drive casing, the drive casing is installed with the air pump, the output of air pump is provided with the air pipe spare, the electronic digital pressure gauge and the inflation cannula are installed in proper order on the air pipe spare, the bottom of drive casing is fixed with the upper test seat matched with the inflation cannula, the lower test seat is fixed on the top frame below the upper test seat.

[0006] Preferably, the bottom of the base and the fixing frame is uniformly clamped with the antiskid rubber support.

[0007] Preferably, the bottom of the top frame is uniformly provided with the guide sliding block, and the guide sliding block is provided with two.

[0008] Preferably, the top of the base is provided with the annular guide sliding groove in sliding connection with the guide sliding block, so that the stability of the top frame rotating movement is improved.

[0009] Preferably, the outer side wall of the upper test seat and the lower test seat is vulcanizedly connected with the silica gel sealing layer, and the input end of the air pump is provided with the filter cloth layer.

[0010] Preferably, the both sides of one end of the drive casing are welded with the vertical sliding block, and the top frame is provided with the vertical sliding cavity in sliding connection with the vertical sliding block, so that the stability effect of the telescopic air cylinder driving the drive casing to rise and fall is improved.

[0011] Preferably, the telescopic air cylinder is sequentially welded with the first positioning clamping block and the second positioning clamping block matched with the top frame and the drive casing, the first positioning clamping block and the top frame are provided with screws, and the second positioning clamping block and the drive casing are provided with screws, so that the telescopic air cylinder can be conveniently disassembled and maintained on the top frame and the drive casing.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. The pressure testing device for injection pipe production optimizes its performance by installing the upper test seat, etc., the step motor installed in the base is started, the top frame connected to the output end of the step motor is driven to rotate, which can drive the rotation of the injection pipe fixed between the upper test seat and the lower test seat, so that the outer surface of the injection pipe fixed between the upper test seat and the lower test seat will pass through the infrared sensor on the fixing frame in turn, when the surface of the object is deformed due to pressure, the infrared radiation characteristics will change, the infrared sensor detects these changes to monitor the deformation, and the rotating injection pipe can realize comprehensive deformation test of the surface of the injection pipe product, and improve the test precision.

[0014] 2. The pressure testing device for injection pipe production is provided with telescopic air cylinders, so that when the device is actually operated, the user can insert the injection pipe product into the lower test seat, then start the two telescopic air cylinders to drive the driving shell to lift, so that the upper test seat presses the upper surface of the injection pipe, at this time the upper test seat and the lower test seat can realize clamping and fixing of the injection pipe product, then the air pump is started, the gas is filled into the inside of the injection pipe through the gas outlet pipe and the inflation cannula, at the same time, the electronic digital pressure gauge will monitor the gas pressure value in real time, and send the data to the PLC controller, which is convenient for intelligent control of the gas pressure value in the injection pipe, so as to realize intelligent quantitative and comprehensive pressure operation in the injection pipe, which is beneficial to subsequent injection pipe pressure test, enhances the applicability, and facilitates test operation.

[0015] 3. The pressure testing device for injection pipe production optimizes its structure by installing the driving shell, on the one hand, the user can use the clamping structure between the first positioning clamping block and the top frame, cooperate with the locking and fixing effect of the screw, realize positioning and disassembly of the telescopic air cylinder and the top frame, and on the other hand, the user can use the clamping structure between the second positioning clamping block and the driving shell, cooperate with the locking and fixing effect of the screw, realize positioning and disassembly of the telescopic air cylinder and the driving shell, on the other hand, by using the sliding connection between the vertical sliding block on the driving shell and the vertical sliding cavity on the top frame, the stability effect of the telescopic air cylinder driving the driving shell up and down is improved, and by uniformly arranging the guide sliding block on the bottom of the top frame and arranging the annular guide sliding groove on the top of the base and slidingly connected with the guide sliding block, the stability of the top frame rotating is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings described herein are used to provide further understanding of the present application, constitute a part of the present application, the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application. In the drawings:

[0017] Figure 1It is the front view structural schematic diagram of the utility model;

[0018] Figure 2 It is the side view structural schematic diagram of the utility model;

[0019] Figure 3 It is the base plan view structural schematic diagram of the utility model;

[0020] Figure 4 It is the front view structural schematic diagram of the telescopic air cylinder split state of the utility model.

[0021] In the drawing: 1, fixed frame;2, anti-skid rubber support foot;3, guide sliding block;4, base;5, stepping motor;6, top frame;7, lower test seat;8, upper test seat;9, inflation insertion tube;10, electronic digital pressure gauge;11, air pump;12, telescopic air cylinder;13, vertical sliding cavity;14, vertical sliding block;15, drive housing;16, PLC controller;17, reserved opening;18, air outlet pipe;19, annular guide sliding groove;20, first positioning clamping block;21, second positioning clamping block;22, infrared sensor. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides an embodiment: a pressure test device for injection tube production, including base 4, one end of base 4 is welded with fixed frame 1, infrared sensor 22 is installed on fixed frame 1 through screw, the outer side wall of base 4 is installed with PLC controller 16;

[0024] Stepping motor 5 is installed in the inside of base 4, the output of stepping motor 5 is connected with top frame 6, and top frame 6 is provided with the reserved opening 17 matched with infrared sensor 22;

[0025] Both sides of the top of top frame 6 are fixed with telescopic air cylinder 12, the output of telescopic air cylinder 12 is connected with drive housing 15, air pump 11 is installed on drive housing 15, and the output of air pump 11 is provided with air outlet pipe 18, and electronic digital pressure gauge 10 and inflation insertion tube 9 are sequentially installed on air outlet pipe 18;

[0026] The bottom end of drive housing 15 is fixed with the upper test seat 8 matched with inflation insertion tube 9, and the lower test seat 7 is fixed on the top frame 6 below the upper test seat 8;

[0027] In use, the step motor 5 installed inside the base 4 is started to drive the top frame 6 connected to the output end to rotate, which can drive the injection pipe fixed between the upper test seat 8 and the lower test seat 7 to rotate, so that the outer surface of the injection pipe fixed between the upper test seat 8 and the lower test seat 7 can pass the infrared sensor 22 on the fixed frame 1 in turn. When the surface of the object is deformed due to pressure, the infrared radiation characteristics will change, and the infrared sensor 22 can monitor the deformation by detecting these changes. Through the rotating injection pipe, comprehensive deformation testing of the surface of the injection pipe product can be achieved, and the testing accuracy is improved.

[0028] The bottom of the base 4 and the fixed frame 1 is uniformly clamped with anti-skid rubber feet 2;

[0029] The bottom of the top frame 6 is uniformly provided with a guide sliding block 3, and the guide sliding block 3 is provided with two;

[0030] The top of the base 4 is provided with an annular guide sliding groove 19 which is slidingly connected with the guide sliding block 3;

[0031] In use, the sliding guide structure formed by the guide sliding block 3 and the guide sliding block 3 improves the stability of the step motor 5 installed inside the base 4 when driving the top frame 6 to rotate;

[0032] The outer side wall of the upper test seat 8 and the lower test seat 7 is vulcanized with a silica gel sealing layer, and the input end of the air pump 11 is provided with a filter cloth layer;

[0033] The two sides of one end of the drive housing 15 are welded with vertical sliding blocks 14, and the top frame 6 is provided with a vertical sliding cavity 13 which is slidingly connected with the vertical sliding blocks 14;

[0034] In use, the sliding connection between the vertical sliding blocks 14 on the drive housing 15 and the vertical sliding cavity 13 on the top frame 6 improves the smoothness of the telescopic air cylinder 12 when driving the drive housing 15 to move up and down;

[0035] The telescopic air cylinder 12 is sequentially welded with a first positioning clamping block 20 and a second positioning clamping block 21 which are matched with the top frame 6 and the drive housing 15, and the first positioning clamping block 20 and the top frame 6 are provided with screws, and the second positioning clamping block 21 and the drive housing 15 are provided with screws;

[0036] In use, the user can use the clamping structure between the first positioning clamping block 20 and the top frame 6, and the locking and fixing effect of the screws to realize the positioning and disassembly of the telescopic air cylinder 12 and the top frame 6, and the user can use the clamping structure between the second positioning clamping block 21 and the drive housing 15, and the locking and fixing effect of the screws to realize the positioning and disassembly of the telescopic air cylinder 12 and the drive housing 15.

[0037] The embodiment of the application in use: the user can be inserted into the lower test seat 7 on the syringe product, and then start two telescopic cylinders 12, drive the shell 15 lifting, so that the upper test seat 8 compression syringe upper surface, the upper test seat 8 and the lower test seat 7 can realize the clamping of the syringe product, then the air pump 11 start, through the gas pipe 18 and inflation cannula 9 into the syringe gas inside;

[0038] At the same time, the electronic digital pressure gauge 10 will monitor the pressure value in real time, and send the data to the PLC controller 16, which is convenient for intelligent control of the pressure value in the syringe, so as to realize the intelligent quantitative and comprehensive pressure operation in the syringe, which is beneficial to the subsequent syringe pressure test and enhances the applicability and facilitates the test operation;

[0039] At the same time, the step motor 5 installed in the base 4 is started, and the top frame 6 connected to the output end is rotated, which can drive the rotation of the syringe fixed between the upper test seat 8 and the lower test seat 7, so that the outer surface of the syringe fixed between the upper test seat 8 and the lower test seat 7 will pass through the infrared sensor 22 on the fixed frame 1 in turn, when the surface of the object is deformed due to pressure, the infrared radiation characteristics will change, and the infrared sensor 22 detects the changes to monitor the deformation, and through the rotating syringe, the comprehensive deformation test of the surface of the syringe product can be realized, and the test precision is improved;

[0040] In addition, on the one hand, the user can use the clamping structure between the first positioning block 20 and the top frame 6, cooperate with the locking effect of the screw, realize the positioning and disassembly of the telescopic cylinder 12 and the top frame 6, and the user can use the clamping structure between the second positioning block 21 and the drive shell 15, cooperate with the locking effect of the screw, realize the positioning and disassembly of the telescopic cylinder 12 and the drive shell 15;

[0041] On the other hand, by using the sliding connection between the vertical sliding block 14 on the drive shell 15 and the vertical sliding cavity 13 on the top frame 6, the stability effect of the telescopic cylinder 12 driving the drive shell 15 up and down is improved, and by uniformly arranging the guide sliding block 3 on the bottom of the top frame 6 and arranging the annular guide sliding groove 19 on the top of the base 4 and slidingly connected with the guide sliding block 3, the stability of the top frame 6 rotating is improved by using the sliding guide structure.

[0042] In order to make the purposes, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be clearly and completely described below with reference to specific embodiments of the present application and corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of the present application.

[0043] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, rather than limit them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand: they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A pressure testing device for syringe production, characterized by, It comprises a base (4), One end of the base (4) is welded with a fixing frame (1), an infrared sensor (22) is installed on the fixing frame (1) through screws, and a PLC controller (16) is installed on the outer wall of the base (4), A stepping motor (5) is installed in the base (4), the output end of the stepping motor (5) is connected with a top frame (6), and a reserved opening (17) matched with the infrared sensor (22) is arranged on the top frame (6), The two sides of the top of the top frame (6) are fixed with telescopic air cylinders (12), the output end of the telescopic air cylinder (12) is connected with a drive shell (15), a gas pump (11) is installed on the drive shell (15), the output end of the gas pump (11) is provided with an air outlet pipe (18), and an electronic digital pressure gauge (10) and an inflation cannula (9) are installed on the air outlet pipe (18) in sequence, The bottom end of the drive shell (15) is fixed with an upper test seat (8) matched with the inflation cannula (9), and a lower test seat (7) is fixed on the top frame (6) below the upper test seat (8).

2. The pressure testing device for syringe production according to claim 1, wherein Wherein: The bottom of the base (4) and the fixing frame (1) is uniformly clamped with anti-skid rubber feet (2).

3. The pressure testing device for syringe production according to claim 1, wherein Wherein: The bottom of the top frame (6) is uniformly provided with a guide sliding block (3), and the guide sliding block (3) is provided with two.

4. The pressure testing device for syringe production according to claim 3, wherein Wherein: The top of the base (4) is provided with an annular guide sliding groove (19) in sliding connection with the guide sliding block (3).

5. The pressure testing device for syringe production according to claim 1, wherein Wherein: The outer side wall of the upper test seat (8) and the lower test seat (7) is vulcanized with a silica gel sealing layer, and the input end of the gas pump (11) is provided with a filter cloth layer.

6. The pressure testing device for syringe production according to claim 1, wherein Wherein: The two sides of one end of the drive shell (15) are welded with vertical sliding blocks (14), and the top frame (6) is provided with vertical sliding cavities (13) in sliding connection with the vertical sliding blocks (14).

7. The pressure testing device for syringe production according to claim 1, wherein Wherein: The telescopic air cylinder (12) is sequentially welded with a first positioning clamping block (20) and a second positioning clamping block (21) matched with the top frame (6) and the drive shell (15), screws are arranged between the first positioning clamping block (20) and the top frame (6), and screws are arranged between the second positioning clamping block (21) and the drive shell (15).

Citation Information

Patent Citations

  • Pressure testing device for pressure pipe production

    CN221782038U