Cold storage copper pipe sealing performance detection tool

Abstract

A cold storage copper pipe sealing performance detection tool relates to the technical field of straight copper pipe fitting detection devices and comprises a detection table, supporting frames are fixedly installed on the two sides of the upper end of the detection table and are in a rectangular frame shape, an air pump is arranged at the lower end of the left side of the detection table, and a first pushing plate and a second pushing plate are installed at the upper end of the detection table. Long-strip-shaped sliding rails are arranged on the inner side of the lower end of the supporting frame and the middle of the upper end of the detection table, so that after a plurality of copper pipes are placed on the placing frame, telescopic rods enter the inner sides of the two ends of the copper pipes respectively through movement of a pushing plate, and then rubber pads of sealing discs abut against and seal the two ends; a pressure sensor is installed at one end of the first telescopic rod, an air outlet is formed in the first telescopic rod, an air pipe is further installed at the lower end of the first telescopic rod, and after airflow is blown into the copper pipes, the numerical value change of the multiple pressure sensors is observed, so that whether the sealing performance of the multiple copper pipes is qualified or not is judged.

Description

Technical Field

[0001] The utility model relates to the technical field of straight copper pipe detection devices, and more specifically, to a cold storage copper pipe sealing detection tool. Background Art

[0002] Straight copper pipe fittings are a kind of copper tubular products that can be used to transmit liquids and gases. The heat exchanger absorbs heat through its heat absorbing sheet and transfers the heat to the copper pipe to exchange heat with the liquid in the copper pipe. After the production of straight copper pipe fittings is completed, it is generally necessary to test the air tightness of straight copper pipe fittings;

[0003] Existing copper tube sealing detection devices such as application number CN202321230258.1 are a straight copper tube sealing detection device, which includes a pressure sensor and the inner side of the first air intake pipe, and then the third cylinder is started to drive the second movable plate to move to squeeze and fix the straight copper tube, and at the same time the first air intake pipe and the pressure sensor are inserted into the straight copper tube, and then the gas enters the first air intake pipe from the second air intake pipe and then enters the straight copper tube, and the pressure change inside the straight copper tube is measured by the pressure sensor to detect the sealing of the copper tube, and the second cylinder is driven by the first cylinder to move left and right, and the second cylinder drives the piston rod to move downward to impact the straight copper tube, so that the defective part of the straight copper tube can be cracked, so that the defective straight copper tube can be better sorted out, so that the straight copper tube sealing detection device drives the second cylinder to move left and right through the first cylinder, and the second cylinder drives the piston rod to move downward to impact the straight copper tube, so that the defective part of the straight copper tube can be cracked, so that the defective straight copper tube can be better sorted out;

[0004] However, the existing copper tube detection device can only detect one copper tube at a time, and cannot detect copper tubes of different lengths at the same time, resulting in the inability to further improve the detection efficiency. Utility Model Content

[0005] The utility model aims to solve the technical problem that in the prior art, only one copper tube can be tested at a time and copper tubes of different lengths cannot be tested at the same time.

[0006] The purpose and effect of the utility model are achieved by the following specific technical means:

[0007] A cold storage copper tube sealing detection tool comprises a detection platform, support frames are fixedly installed on both sides of the upper end of the detection platform, the support frame is in the shape of a rectangular frame, an air pump is arranged at the lower left end of the detection platform, a first push plate and a second push plate are installed at the upper end of the detection platform, a long strip slide rail is arranged on the inner side of the lower end of the support frame and the middle part of the upper end of the detection platform, sliders entering the inner side of the slide rail are arranged on the upper and lower sides of the first push plate and the second push plate, a placement frame is installed between the upper end of the detection platform relative to the first push plate and the second push plate, and four arc placement grooves are arranged on the upper end of the placement frame A first mounting tube and a second mounting tube are respectively installed on the side opposite to the first pushing plate and the second pushing plate, a spring is placed inside the first telescopic rod and the second telescopic rod, the first mounting tube and the second mounting tube are sleeved and installed with the first telescopic rod and the second telescopic rod, the first sealing disk and the second sealing disk are connected to the outer side of the end of the first telescopic rod and the second telescopic rod extending outward, a pressure sensor is installed on one end of the first telescopic rod, an air outlet is provided inside the first telescopic rod, an air pipe is also installed at the lower end of the first telescopic rod, and the lower end of the air pipe is connected to the air pump.

[0008] Furthermore, the first push plate and the second push plate are both arranged at the lower end of the support frame.

[0009] Furthermore, a first driving rod and a second driving rod are installed inside the slide rails of the detection platform and the support frame.

[0010] Furthermore, threads are arranged on the outside of the first driving rod and the second driving rod, and the rotation directions of the threads on the left and right sides of the outside of the first driving rod and the second driving rod are arranged in opposite directions.

[0011] Furthermore, first gear teeth and second gear teeth arranged equidistantly around the circumference are provided on the outer sides of the middle ends of the first driving rod and the second driving rod, a first stepper motor is installed on the upper end of the support frame, and a second stepper motor is installed inside the lower end of the detection platform.

[0012] Furthermore, the output end of the first stepper motor is meshed and connected with the second gear teeth by means of a driving gear, and the output end of the second stepper motor is meshed and connected with the first gear teeth by means of a driving gear.

[0013] Furthermore, a sealing rubber cushion layer is provided on one side of the first sealing disk and the second sealing disk, and four of the first mounting tubes and the second mounting tubes are equidistantly arranged on the first push plate and the second push plate. Beneficial Effects

[0014] A cold storage copper tube sealing detection tool has the following beneficial effects:

[0015] 1. A long strip slide rail is arranged on the inner side of the lower end of the support frame of the cold storage copper tube sealing detection tool and the middle part of the upper end of the detection platform. The first push plate and the second push plate are provided with sliders entering the inner side of the slide rail on the upper and lower sides, so that the first push plate and the second push plate can be close to each other on the detection platform, and then a placement frame is installed between the first push plate and the second push plate through the upper end of the detection platform. Four arc placement grooves are arranged on the upper end of the placement frame. The first installation tube and the second installation tube are respectively installed on the opposite side of the first push plate and the second push plate. The first installation tube and the second installation tube are sleeved with the first telescopic rod and the second telescopic rod. The ends of the first telescopic rod and the second telescopic rod extending outward A first sealing disk and a second sealing disk are connected to the outside, a sealing rubber pad layer is provided on one side of the first sealing disk and the second sealing disk, four first mounting tubes and second mounting tubes are equidistantly arranged on the first pushing plate and the second pushing plate. When multiple copper tubes are placed on the placement rack, the pushing plate can be moved to move the telescopic rod into the inner sides of the two ends of the copper tube respectively, and then the rubber pad of the sealing disk will be tightly sealed through the two ends, and then a pressure sensor can be installed at one end of the first telescopic rod, an air outlet is provided inside the first telescopic rod, and an air pipe is also installed at the lower end of the first telescopic rod. After the airflow is blown into the inside of the copper tube, the value changes of multiple pressure sensors are observed to judge whether the sealing of multiple copper tubes is qualified.

[0016] 2. This kind of cold storage copper tube sealing detection tooling has springs placed inside the first telescopic rod and the second telescopic rod, and a limiting groove is arranged on the outer side of the telescopic rod. A limiting rod with one end in the limiting groove is installed on the mounting tube. When the first pushing plate and the second pushing plate are close to each other, the telescopic rod can be used to squeeze the spring and then retract into the mounting tube, so that the telescopic rod can be controlled to have different retraction lengths for copper tubes of different lengths, thereby simultaneously detecting copper tubes of different lengths.

[0017] 3. This kind of cold storage copper tube sealing detection tooling is equipped with a first driving rod and a second driving rod through the slide rails of the detection platform and the support frame. The first driving rod and the second driving rod penetrate the sliders on the upper and lower sides of the first push plate and the second push plate. The first driving rod and the second driving rod are provided with threads on the outside, and the external threads are engaged with the inner threads of the sliders of the push plate. When the driving rod rotates, the threads can be used to drive the push plate to move. The rotation directions of the threads on the left and right sides of the outside of the first driving rod and the second driving rod are opposite. When the stepping motor drives the driving rod to rotate, the two push plates can be driven to move closer to or away from each other. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The utility model is a schematic diagram of a cold storage copper tube sealing detection tooling.

[0019] Figure 2 It is a front sectional schematic diagram of the detection platform of the utility model.

[0020] Figure 3 For the utility model Figure 2 Enlarged schematic diagram at point A in the middle.

[0021] Figure 4 For the utility model Figure 2 Enlarged schematic diagram of point B in the middle.

[0022] Figure 1-4 In: 1-testing table, 2-support frame, 3-air pump, 4-first push plate, 5-second push plate, 6-first mounting tube, 7-first telescopic rod, 701-air outlet, 8-first sealing disk, 9-trachea, 10-first driving rod, 1001-first gear, 11-first stepping motor, 12-placing frame, 13-second sealing disk, 14-second telescopic rod, 15-second mounting tube, 16-second driving rod, 1601-second gear, 17-second stepping motor, 18-pressure sensor. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0024] Please refer to the diagram of the exploded structure and the planar structure of a cold storage copper tube sealing detection tooling in the attached drawings of the specification.

[0025] A cold storage copper tube sealing detection tool, comprising a detection platform 1, a support frame 2 is fixedly installed on both sides of the upper end of the detection platform 1, the support frame 2 is a rectangular frame, an air pump 3 is arranged at the lower end of the left side of the detection platform 1, a first push plate 4 and a second push plate 5 are installed at the upper end of the detection platform 1, the first push plate 4 and the second push plate 5 are both arranged at the lower end of the support frame 2, a long strip slide rail is arranged on the inner side of the lower end of the support frame 2 and the middle part of the upper end of the detection platform 1, and sliders entering the inner side of the slide rail are arranged on the upper and lower sides of the first push plate 4 and the second push plate 5;

[0026] In a specific implementation, the first driving rod 10 and the second driving rod 16 are installed inside the slide rails of the detection platform 1 and the support frame 2. The first driving rod 10 and the second driving rod 16 penetrate the sliders on the upper and lower sides of the first push plate 4 and the second push plate 5. The first driving rod 10 and the second driving rod 16 are provided with threads on the outside, and the threads on the inner side of the slider of the push plate are engaged with the external threads. When the driving rods rotate, the threads can be used to drive the push plate to move. The rotation directions of the threads on the left and right sides of the first driving rod 10 and the second driving rod 16 are opposite.

[0027] In a specific implementation, the first gear teeth 1001 and the second gear teeth 1601 arranged equidistantly on the circumference are arranged on the outer sides of the middle ends of the first driving rod 10 and the second driving rod 16, the first stepper motor 11 is installed on the upper end of the support frame 2, and the output end of the first stepper motor 11 is meshed and connected with the second gear teeth 1601 by means of a driving gear, the second stepper motor 17 is installed inside the lower end of the detection platform 1, and the output end of the second stepper motor 17 is meshed and connected with the first gear teeth 1001 by means of a driving gear, and a placement frame 12 is installed between the upper end of the detection platform 1 and the first push plate 4 and the second push plate 5, and four arc placement grooves are arranged on the upper end of the placement frame 12;

[0028] In a specific implementation, a first mounting tube 6 and a second mounting tube 15 are respectively installed on one side opposite to the first push plate 4 and the second push plate 5, a spring is placed inside the first telescopic rod 7 and the second telescopic rod 14, the first mounting tube 6 and the second mounting tube 15 are sleeved with the first telescopic rod 7 and the second telescopic rod 14, a limiting groove is arranged on the outside of the telescopic rod, a limiting rod with one end in the limiting groove is installed on the mounting tube, a first sealing disk 8 and a second sealing disk 13 are connected to the outside of one end of the first telescopic rod 7 and the second telescopic rod 14 extending outward, a sealing rubber cushion layer is arranged on one side of the first sealing disk 8 and the second sealing disk 13, and four first mounting tubes 6 and second mounting tubes 15 are equidistantly arranged on the first push plate 4 and the second push plate 5;

[0029] In a specific implementation, a pressure sensor 18 is installed at one end of the first telescopic rod 7 , an air outlet 701 is provided inside the first telescopic rod 7 , and an air pipe 9 is also installed at the lower end of the first telescopic rod 7 , and the lower end of the air pipe 9 is connected to the air pump 3 .

[0030] Working principle:

[0031] A first push plate 4 and a second push plate 5 are installed on the upper end of the detection table 1. The first push plate 4 and the second push plate 5 are both arranged at the lower end of the support frame 2. A long strip slide rail is arranged on the inner side of the lower end of the support frame 2 and the middle part of the upper end of the detection table 1. Slide blocks that enter the inner side of the slide rail are arranged on the upper and lower sides of the first push plate 4 and the second push plate 5, so that the first push plate 4 and the second push plate 5 can be close to each other on the detection table. Then, a placement frame 12 is installed between the first push plate 4 and the second push plate 5 at the upper end of the detection table 1. Four arc placement grooves are arranged on the upper end of the placement frame 12. The first installation tube 6 and the second installation tube 1 are respectively installed on the opposite side of the first push plate 4 and the second push plate 5. 5, the first installation tube 6 and the second installation tube 15 are sleeved with the first telescopic rod 7 and the second telescopic rod 14, the first telescopic rod 7 and the second telescopic rod 14 are connected to the first sealing disk 8 and the second sealing disk 13 on the outside of the end extending outward, and the first sealing disk 8 and the second sealing disk 13 are provided with a sealing rubber pad layer on one side, and the first installation tube 6 and the second installation tube 15 are evenly arranged on the first push plate 4 and the second push plate 5. When a plurality of copper tubes are placed on the placement rack 12, the push plate can be moved to move the telescopic rods into the inner sides of the two ends of the copper tubes respectively, and then the rubber pads of the sealing disks can be pressed against the two ends to seal, and then the first telescopic rod 7 can be installed with a sealing rubber pad on one end. The pressure sensor 18 is provided with an air outlet 701 inside the first telescopic rod 7, and an air pipe 9 is also installed at the lower end of the first telescopic rod 7. After the airflow is blown into the copper tube, the value changes of multiple pressure sensors 18 are observed to judge whether the sealing of multiple copper tubes is qualified. Then, springs are placed inside the first telescopic rod 7 and the second telescopic rod 14, and a limiting groove is set on the outer side of the telescopic rod. A limiting rod with one end in the limiting groove is installed on the installation tube. When the first push plate 4 and the second push plate 5 are close to each other, the telescopic rod can be used to squeeze the spring and then retract into the installation tube, so that the telescopic rod can be controlled to have different retraction lengths for copper tubes of different lengths, thereby adjusting the copper tubes of different lengths. Simultaneous detection is performed, wherein a first driving rod 10 and a second driving rod 16 are installed inside the slide rails of the detection platform 1 and the support frame 2, and the first driving rod 10 and the second driving rod 16 pass through the sliders on the upper and lower sides of the first push plate 4 and the second push plate 5, and the first driving rod 10 and the second driving rod 16 are provided with threads on the outside, and the external threads are engaged with the inner threads of the sliders of the push plates. When the driving rods are rotated, the threads can be used to drive the push plates to move, and the rotation directions of the threads on the left and right sides of the outside of the first driving rod 10 and the second driving rod 16 are oppositely set. When the stepping motor drives the driving rod to rotate, the two push plates can be driven to move closer to or away from each other.

Claims

1. A cold storage copper tube sealing detection tool, comprising a detection table (1), characterized in that: Support frames (2) are fixedly mounted on both sides of the upper end of the detection platform (1), and the support frames (2) are in the shape of a rectangular frame. An air pump (3) is arranged at the lower left end of the detection platform (1). A first push plate (4) and a second push plate (5) are mounted on the upper end of the detection platform (1). Long strip-shaped slide rails are arranged on the inner side of the lower end of the support frame (2) and the middle part of the upper end of the detection platform (1). Slide blocks that enter the inner side of the slide rails are arranged on the upper and lower sides of the first push plate (4) and the second push plate (5). A first driving rod (10) and a second driving rod (16) are mounted inside the slide rails of the detection platform (1) and the support frame (2). A placement frame (12) is installed between the upper end of the detection platform (1) and the first push plate (4) and the second push plate (5); a first installation tube (6) and a second installation tube (15) are installed on the opposite side of the first push plate (4) and the second push plate (5); a first telescopic rod (7) and a second telescopic rod (14) are respectively sleeved and installed inside the first installation tube (6) and the second installation tube (15); a spring is placed inside the first telescopic rod (7) and the second telescopic rod (14); a first sealing disk (8) and a second sealing disk (13) are respectively connected to the outer side of the ends of the first telescopic rod (7) and the second telescopic rod (14) extending outward; a pressure sensor (18) is installed on the upper end of the first telescopic rod (7); an air outlet (701) is provided inside the first telescopic rod (7); an air pipe (9) is also installed at the lower end of the first telescopic rod (7); and the lower end of the air pipe (9) is connected to the air pump (3).

2. A cold storage copper tube sealing detection tool as described in claim 1, characterized in that: The first driving rod (10) and the second driving rod (16) are provided with threads on the outside, and the rotation directions of the threads on the left and right sides of the first driving rod (10) and the second driving rod (16) are opposite.

3. A cold storage copper tube sealing detection tool as described in claim 1, characterized in that: The first drive rod (10) and the second drive rod (16) are respectively provided with first gear teeth (1001) and second gear teeth (1601) arranged equidistantly around the circumference on the outer sides of the middle ends thereof; a first stepper motor (11) is mounted on the upper end of the support frame (2); and a second stepper motor (17) is mounted inside the lower end of the detection platform (1).

4. A cold storage copper tube sealing detection tool as described in claim 1, characterized in that: The upper end of the placement rack (12) is provided with a plurality of arc placement grooves, and a plurality of the first installation tubes (6) and the second installation tubes (15) are equidistantly arranged on the first push plate (4) and the second push plate (5).

5. A cold storage copper tube sealing detection tool as described in claim 1, characterized in that: A sealing rubber cushion layer is provided on one side of the first sealing disc (8) and the second sealing disc (13).

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