High-precision capillary tube blocking detection machine

Abstract

The utility model discloses a high-precision capillary tube blocking detection machine, belongs to the technical field of detection equipment, and aims to solve the problems that in order to adapt to high-precision capillary tubes with different diameters, a detection mold needs to be replaced by a detection mold with an adaptive inner diameter, then the detection mold is connected with a mold placement frame, and the overall replacement is relatively tedious when more detection is carried out at one time. Through an air blower, an inflation air bag, an adjusting mechanism and a sealing gasket, a worker enables a high-precision capillary tube to penetrate through the interior of a containing groove in a limiting plate to be connected with a containing groove in a mounting plate, by starting the air blower, air is conveyed into the inflation air bag through a flow guide plate B and an air guide pipeline, the inflation air bag is inflated, and the work efficiency is improved. High-precision capillary tubes with different diameters are clamped in the middle, the sealing effect on the top ends of the high-precision capillary tubes is achieved through cooperation with a sealing gasket, operation is easy and convenient, replacement one by one is not needed, and the installation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of detection equipment, in particular to a high-precision capillary tube blockage detection machine. Background Art

[0002] High-precision capillary tubes are energy-saving components in air-conditioning components, and the normal use of air-conditioning is inseparable from them. Since the capillary tubes have relatively thin internal channels, blockage problems often occur during processing. When the capillary tubes are blocked, the air-conditioning will have adverse reactions, affecting the life of the air-conditioning. Therefore, before the capillary tubes are installed on the air-conditioning, a blockage detection test is required to avoid adverse conditions. China Patent Authorization Announcement No. CN217155453U discloses a high-precision capillary tube blockage detection machine, which includes a machine, an air pump arranged on one side of the middle of the machine, a pressure-stabilizing tank arranged inside the middle of the machine, and a detection docking module arranged on the other side of the middle of the machine. The air pump and the pressure-stabilizing tank are connected. A mold placement rack is provided inside the lower part of the machine, and a number of detection molds compatible with capillaries of different apertures are provided on the mold placement rack. The detection docking module includes a mold clamping assembly, and the mold clamping assembly includes a joint compatible with the detection mold; the above-mentioned existing technical solution has the following shortcomings: the blockage detection machine can achieve blockage detection effect during use. In order to adapt to high-precision capillaries of different diameters, the detection mold needs to be replaced with a detection mold that adapts to the inner diameter, and then the detection mold is connected to the mold placement rack. When a large number of tests are performed at one time, the overall replacement is more cumbersome. In order to effectively improve work efficiency, it is necessary to design a high-precision capillary blockage detection machine to solve the above problems. Utility Model Content

[0003] The purpose of the present utility model is to provide a high-precision capillary tube blockage detection machine to solve the problem proposed in the above background technology that in order to adapt to high-precision capillaries of different diameters, the detection mold needs to be replaced with a detection mold that adapts to the inner diameter, and then the detection mold needs to be connected to the mold placement rack. When a large number of tests are performed at one time, the overall replacement is more cumbersome.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-precision capillary tube blockage detection machine, comprising a detection box, electric telescopic rods are fixed on both sides of the detection box, and the telescopic ends of the electric telescopic rods are fixedly connected to a top plate, the top of the top plate is provided with an adjustment mechanism, the bottom end of the top plate is provided with a guide plate A, and the bottom end of the guide plate A is fixedly provided with an air pipe, the top end of the guide plate A is fixedly connected with a sealing gasket, the interior of the detection box is fixedly connected to a limit plate and a mounting plate, the interior of the limit plate and the mounting plate are both provided with a placement groove, the interior of the limit plate and the mounting plate are both provided with a mounting groove, and the interior of the mounting groove is fixedly connected with an inflatable airbag, the mounting groove is located on the inner wall of the placement groove, Air guide ducts are provided inside the limiting plate and the mounting plate, and the air guide ducts are connected to the interior of the inflatable airbag. A guide plate B is fixed to one end of the detection box, and the interior of the guide plate B is connected to the air guide duct. A pressure relief door is provided at one end of the guide plate B. A blower is fixed to one end of the detection box, and the air outlet of the blower is connected to the interior of the guide plate B. A guide groove is provided inside the mounting plate, and the guide grooves are connected to the interior of the placement groove. The guide groove is located below the placement groove. The bottom end of the mounting plate is fixedly connected to the air outlet pipe, and a high-pressure pump is provided at the top of the guide plate A. An air pressure sensor is provided inside the mounting plate, and the interior of the air pressure sensor is connected to the interior of the guide groove.

[0005] Preferably, the adjustment mechanism includes a threaded rotating rod rotatably connected to the top of the top plate, the outer side of the threaded rotating rod is threadedly connected to an internal threaded plate, and a guide rod is fixed to the bottom end of the internal threaded plate, a guide groove is opened inside the top plate, and the guide rods all pass through the inside of the guide groove, and the bottom end of the guide rod is fixedly connected to the top of the guide plate A.

[0006] Preferably, the cross-sectional size of the guide rod is adapted to the cross-sectional size of the guide groove, and the outer side of the guide plate A is in contact with the inner wall of the detection box.

[0007] Preferably, the air outlet of the high-pressure pump is connected to the interior of the air supply pipe through the guide plate A, the outside of the air supply pipe is provided with a solenoid valve A, the outside of the air outlet pipe is provided with a solenoid valve B, the air outlet pipe is located below the guide groove, the air outlet pipe is connected to the interior of the placement groove through the guide groove, and the air supply pipe, the placement groove, the guide groove and the air outlet pipe are all on the same vertical plane.

[0008] Preferably, a receiving groove is provided inside the detection box, and the receiving groove is located below the guide groove, a control switch is fixed to the top of the receiving groove, a spring is fixedly connected to the bottom end of the receiving groove, and a connecting plate is fixed to the top of the spring, and a guide cover is fixed to the top of the connecting plate, and the guide cover is located directly below the outlet pipe.

[0009] Preferably, the cross-section of the air guide cover is set to be an inverted trapezoid, and the outer side of the air guide cover is in contact with the inner wall of the accommodating groove.

[0010] Preferably, an indicator light is fixed at one end of the detection box, and the indicator light is turned on by a control switch. A control panel is provided at one end of the detection box, and the control panel is located above the guide plate B. The information of the air pressure sensor is displayed through the control panel.

[0011] The technical solution provided by the present invention has the following beneficial effects compared with the prior art: through the guide plate B and the air guide pipe, gas is conveniently transported to the interior of the inflatable airbag, the inflatable airbag is inflated, and high-precision capillaries of different diameters are centrally clamped; by starting the electric telescopic rod and the detection box, the gas delivery pipe is smoothly inserted into the interior of the high-precision capillary; in conjunction with the guide plate A, the top of the high-precision capillary is sealed; the operation is simple and convenient, and there is no need to replace them one by one, which speeds up the installation efficiency; the air flow passes through the interior of the air outlet pipe and blows to the connecting plate, so that the connecting plate contacts the control switch, causing the indicator light to light up, indicating that the high-precision capillary meets the production requirements. For high-precision capillaries that do not light up, by closing the solenoid valve B and the solenoid valve A, the air pressure change of the high-precision capillary is detected by the air pressure sensor. When the air pressure change is not large, it indicates that the high-precision capillary is blocked. When the air pressure change is too large, it indicates that the air tightness of the high-precision capillary itself does not meet the production requirements, which facilitates the staff to classify the quality of the high-precision capillary. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0013] Figure 1 This is a schematic diagram of the formal cross-sectional structure of the utility model;

[0014] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 3 This is a schematic diagram of the three-dimensional structure of the mobile frame of the utility model;

[0016] Figure 4 This is a schematic diagram of the three-dimensional structure of the limit sleeve of the utility model.

[0017] Explanation of the reference numerals in the figure: 1. Adjustment mechanism; 101. Threaded rotating rod; 102. Internal threaded plate; 103. Guide rod; 104. Guide groove; 2. Top plate; 3. Electric telescopic rod; 4. Detection box; 5. Limit plate; 6. Mounting plate; 7. Air deflector; 8. Connecting plate; 9. Control switch; 10. Exhaust pipe; 11. Guide groove; 12. Air pressure sensor; 13. Inflatable airbag; 14. Placement groove; 15. Air supply pipe; 16. Guide plate A; 17. High-pressure pump; 18. Sealing gasket; 19. Spring; 20. Air guide duct; 21. Control panel; 22. Guide plate B; 23. Indicator light; 24. Blower; 25. Pressure relief door. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] In order to further understand the content of the present invention, the present invention is described in detail with reference to the accompanying drawings.

[0020] Combine Figure 1 、 Figure 3 and Figure 4The utility model is a high-precision capillary tube blockage detection machine, which includes a detection box 4, electric telescopic rods 3 are fixed on both sides of the detection box 4, and the telescopic ends of the electric telescopic rods 3 are fixedly connected to the top plate 2, the top of the top plate 2 is provided with an adjustment mechanism 1, the bottom end of the top plate 2 is provided with a guide plate A16, and the bottom end of the guide plate A16 is fixedly provided with an air pipe 15, the top of the guide plate A16 is fixedly connected with a sealing gasket 18, the interior of the detection box 4 is fixedly connected to a limit plate 5 and a mounting plate 6, the interior of the limit plate 5 and the mounting plate 6 are provided with a placement groove 14, the interior of the limit plate 5 and the mounting plate 6 are provided with a mounting groove, and the interior of the mounting groove is fixedly connected with an inflatable airbag 13, the mounting groove is located on the inner wall of the placement groove 14, the interior of the limit plate 5 and the mounting plate 6 are provided with a An air guide duct 20 is connected to the interior of the inflatable airbag 13. A guide plate B22 is fixed to one end of the detection box 4, and the interior of the guide plate B22 is connected to the air guide duct 20. A pressure relief door 25 is provided at one end of the guide plate B22. A blower 24 is fixed to one end of the detection box 4, and the air outlet of the blower 24 is connected to the interior of the guide plate B22. A guide groove 11 is provided inside the mounting plate 6, and the guide grooves 11 are connected to the interior of the placement groove 14. The guide grooves 11 are located below the placement groove 14. The bottom end of the mounting plate 6 is fixedly connected to the air outlet pipe 10, and a high-pressure pump 17 is provided at the top of the guide plate A16. An air pressure sensor 12 is provided inside the mounting plate 6, and the interior of the air pressure sensor 12 is connected to the interior of the guide groove 11.

[0021] The present invention will be further described below with reference to the embodiments. Example

[0022] Combine Figure 1 、 Figure 3 and Figure 4 The adjusting mechanism 1 includes a threaded rotating rod 101 rotatably connected to the top of the top plate 2, the outer side of the threaded rotating rod 101 is threadedly connected to the internal threaded plate 102, and the bottom end of the internal threaded plate 102 is fixed with a guide rod 103, the interior of the top plate 2 is provided with a guide groove 104, the guide rods 103 all pass through the interior of the guide groove 104, and the bottom end of the guide rod 103 is fixedly connected to the top of the guide plate A16; the cross-sectional size of the guide rod 103 is adapted to the cross-sectional size of the guide groove 104, and the guide rod 103 is fixed to the top of the guide plate A16. The outer side of the flow plate A16 fits with the inner wall of the detection box 4; the air outlet of the high-pressure pump 17 is connected to the inside of the air pipe 15 through the guide plate A16, and the outer side of the air pipe 15 is provided with a solenoid valve A, and the outer side of the air outlet pipe 10 is provided with a solenoid valve B. The air outlet pipe 10 is located below the guide groove 11, and the air outlet pipe 10 is connected to the inside of the placement groove 14 through the guide groove 11. The air supply pipe 15, the placement groove 14, the guide groove 11 and the air outlet pipe 10 are all on the same vertical plane.

[0023] In this embodiment, when it is necessary to test a batch of high-precision capillaries, the electric telescopic rod 3 is started to make the top plate 2 rise as a whole, and the staff passes the high-precision capillary through the interior of the placement groove 14 on the limit plate 5 and connects it with the placement groove 14 inside the mounting plate 6. By starting the blower 24, the gas is transported to the interior of the inflatable airbag 13 through the guide plate B22 and the air guide pipe 20, and the inflatable airbag 13 is inflated to achieve centering of high-precision capillaries of different diameters. Then, by starting the electric telescopic rod 3, the top plate 2 is lowered as a whole, so that the detection box 4 The top end of the top plate 2 is fitted with the bottom end of the top plate 2. By rotating the threaded rotating rod 101, under the action of the threaded connection, and under the guidance of the guide rod 103, the guide plate A16 is stably lowered, so that the gas pipe 15 is smoothly inserted into the interior of the high-precision capillary. With the help of the guide plate A16, a sealing effect on the top end of the high-precision capillary is achieved. The operation is simple and convenient, and there is no need to replace them one by one, which speeds up the installation efficiency. The gas pipe 15, the placement groove 14, the guide groove 11, the air outlet pipe 10 and the air pressure sensor 12 correspond to each other one by one, and their number can be adjusted according to actual conditions to achieve batch clamping detection. Example

[0024] Combine Figure 1 、 Figure 2 and Figure 4 A receiving groove is provided inside the detection box 4, and the receiving groove is located below the guide groove 11. A control switch 9 is fixed to the top of the receiving groove, and a spring 19 is fixedly connected to the bottom end of the receiving groove, and a connecting plate 8 is fixed to the top of the spring 19. A guide cover 7 is fixed to the top of the connecting plate 8, and the guide cover 7 is located directly below the outlet pipe 10; the cross-section of the guide cover 7 is set to an inverted trapezoid, and the outer side of the guide cover 7 is in contact with the inner wall of the receiving groove; an indicator light 23 is fixed at one end of the detection box 4, and the indicator light 23 is turned on by the control switch 9. A control panel 21 is provided at one end of the detection box 4, and the control panel 21 is located above the guide plate B22. The information of the air pressure sensor 12 is displayed through the control panel 21.

[0025] In this embodiment, when inspection is carried out, gas is input into the interior of the high-precision capillary through the high-pressure pump 17 and the guide plate A16. When the air flow passes smoothly through the interior of the high-precision capillary, the generated air flow passes through the interior of the air outlet pipe 10 and blows toward the connecting plate 8. Under the guiding action of the guide cover 7, the connecting plate 8 moves downward and contacts the control switch 9, so that the indicator light 23 lights up, indicating that the high-precision capillary meets the production requirements. For the high-precision capillary that does not light up, the solenoid valve B is closed through the control panel 21. After high-pressure gas is introduced, the solenoid valve A is closed, and the air pressure change of the high-precision capillary is detected by the air pressure sensor 12. When the air pressure change is not large, it indicates that the high-precision capillary is blocked. When the air pressure change is too large, it indicates that the air tightness of the high-precision capillary itself does not meet the production requirements. This facilitates the staff to classify the quality of the high-precision capillary, effectively improves the detection efficiency of the high-precision capillary, effectively improves the production efficiency of the high-precision capillary, and speeds up the work process.

[0026] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0027] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-precision capillary tube blockage detection machine, comprising a detection box (4), characterized in that: The detection box (4) is fixed with electric telescopic rods (3) on both sides, and the telescopic ends of the electric telescopic rods (3) are fixedly connected to the top plate (2), the top of the top plate (2) is provided with an adjustment mechanism (1), the bottom of the top plate (2) is provided with a guide plate A (16), and the bottom of the guide plate A (16) is fixedly provided with an air pipe (15), the top of the guide plate A (16) is fixedly connected with a sealing gasket (18), the interior of the detection box (4) is fixedly connected with a limit plate (5) and a mounting plate (6), the interior of the limit plate (5) and the mounting plate (6) are both provided with a placement groove (14), the interior of the limit plate (5) and the mounting plate (6) are both provided with a mounting groove, and the interior of the mounting groove is fixedly connected with an inflatable airbag (13), the mounting groove is located on the inner wall of the placement groove (14), the interior of the limit plate (5) and the mounting plate (6) are both provided with an air guide duct (20), and the air guide duct (20) is fixedly connected to the air guide duct (20). ) is connected to the interior of the inflatable airbag (13), a guide plate B (22) is fixed to one end of the detection box (4), the interior of the guide plate B (22) is connected to the air guide duct (20), a pressure relief door (25) is provided at one end of the guide plate B (22), a blower (24) is fixed to one end of the detection box (4), the air outlet of the blower (24) is connected to the interior of the guide plate B (22), and the interior of the mounting plate (6) is provided with A guide groove (11) is provided, and the guide grooves (11) are connected to the interior of the placement groove (14), the guide grooves (11) are located below the placement groove (14), the bottom end of the mounting plate (6) is fixedly connected to the air outlet pipe (10), the top end of the guide plate A (16) is provided with a high-pressure pump (17), the interior of the mounting plate (6) is provided with an air pressure sensor (12), and the interior of the air pressure sensor (12) is connected to the interior of the guide groove (11).

2. A high-precision capillary tube blockage detector according to claim 1, characterized in that: The regulating mechanism (1) comprises a threaded rotating rod (101) rotatably connected to the top of the top plate (2); the outer side of the threaded rotating rod (101) is threadedly connected to an inner threaded plate (102); and a guide rod (103) is fixed to the bottom end of the inner threaded plate (102); a guide groove (104) is provided inside the top plate (2); the guide rods (103) all pass through the inside of the guide groove (104); and the bottom end of the guide rod (103) is fixedly connected to the top end of the guide plate A (16).

3. The high-precision capillary tube blockage detector according to claim 2, characterized in that: The cross-sectional size of the guide rod (103) is adapted to the cross-sectional size of the guide groove (104), and the outer side of the guide plate A (16) is in contact with the inner wall of the detection box (4).

4. The high-precision capillary tube blockage detector according to claim 1, characterized in that: The air outlet of the high-pressure pump (17) is connected to the interior of the air supply pipe (15) through the guide plate A (16), the outer side of the air supply pipe (15) is provided with a solenoid valve A, the outer side of the air outlet pipe (10) is provided with a solenoid valve B, the air outlet pipe (10) is located below the guide groove (11), the air outlet pipe (10) is connected to the interior of the placement groove (14) through the guide groove (11), and the air supply pipe (15), the placement groove (14), the guide groove (11) and the air outlet pipe (10) are all on the same vertical plane.

5. The high-precision capillary tube blockage detector according to claim 4, characterized in that: The detection box (4) is provided with a receiving groove inside, and the receiving groove is located below the guide groove (11), a control switch (9) is fixed to the top of the receiving groove, a spring (19) is fixedly connected to the bottom of the receiving groove, and a connecting plate (8) is fixed to the top of the spring (19), and a guide cover (7) is fixed to the top of each connecting plate (8), and the guide cover (7) is located directly below the outlet pipe (10).

6. The high-precision capillary tube blockage detector according to claim 5, characterized in that: The cross-section of the air guide cover (7) is arranged to be in an inverted trapezoidal shape, and the outer side of the air guide cover (7) is in contact with the inner wall of the accommodating groove.

7. The high-precision capillary tube blockage detector according to claim 5, characterized in that: An indicator light (23) is fixed to one end of the detection box (4), and the indicator light (23) is turned on by a control switch (9). A control panel (21) is provided at one end of the detection box (4), and the control panel (21) is located above the guide plate B (22). Information from the air pressure sensor (12) is displayed via the control panel (21).

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