CN117928854A - Semi-automatic tightness detection device and process for pneumatic heat preservation container - Google Patents
Semi-automatic tightness detection device and process for pneumatic heat preservation container Download PDFInfo
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- CN117928854A CN117928854A CN202211251161.9A CN202211251161A CN117928854A CN 117928854 A CN117928854 A CN 117928854A CN 202211251161 A CN202211251161 A CN 202211251161A CN 117928854 A CN117928854 A CN 117928854A
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- heat preservation
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- pressing
- positioning
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- 238000001514 detection method Methods 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000004321 preservation Methods 0.000 title claims description 45
- 238000003825 pressing Methods 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 238000009413 insulation Methods 0.000 claims description 13
- 230000033228 biological regulation Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims 2
- 210000001503 joint Anatomy 0.000 abstract 1
- 230000001939 inductive effect Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 241001411320 Eriogonum inflatum Species 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
- G01M3/3281—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators removably mounted in a test cell
- G01M3/329—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators removably mounted in a test cell for verifying the internal pressure of closed containers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
A semi-automatic tightness detection device and process for a pneumatic heat-preserving container comprises a frame, a positioning mechanism, a pressing detection mechanism and an electric appliance control system. The air measuring head of the pressing detection mechanism is arranged in the positioning hole, the electric cylinder presses down the pump body of the tested product, so that the water outlet of the tested product is in sealing butt joint with the air measuring head, the air measuring head is connected with the electric appliance control system through the pressure sensor, and the electric appliance control system realizes tightness detection by pressurizing and maintaining the pump body of the tested product. The process of the invention is as follows: the product to be detected is placed into a positioning block to start equipment, and then a pressing head is pressed down to enable a water outlet of the product to be detected and a gas measuring head to be in a sealing state; and (3) detecting the tightness of the detected product according to the set parameters, taking down the detected product after the detection is completed, and entering the next round of detection. The invention has the advantages of saving labor, improving detection precision, reducing production cost and improving product quality and production efficiency.
Description
Technical Field
The invention relates to a thermal insulation container detection device and a process, in particular to a semi-automatic tightness detection device and a process for a pneumatic thermal insulation container.
Background
The pneumatic heat preservation container is designed according to the air compression principle. When the bottle is used, when the press at the top is pressed, air in the air pump can be pressed into the bottle liner through the hole of the bottle stopper, so that the air in the bottle is compressed, and water in the bottle automatically flows out from the drain pipe through the bottle mouth. Therefore, the tightness of the air pressure heat preservation container directly influences the water outlet and heat preservation performance of the product, and is directly related to the water outlet effect and the use feeling. Therefore, the detection of the sealing performance of the air pressure heat preservation container in the production process is the most basic detection item for ensuring the quality of the air pressure heat preservation container. The tightness detection of the prior pneumatic heat-preserving container mainly depends on purely manual detection, the traditional processing technology has the defects of poor detection precision, high labor intensity and low efficiency, and particularly, the manual operation has a plurality of defects which cannot be overcome, for example, the detection of the product is manual operation, the product quality is unstable and the uniform tolerance range of the product is not well controlled due to human factors. So the market requires more innovative detection equipment and technology to put into production.
Disclosure of Invention
The invention aims at overcoming the defects existing in the prior art and provides a semi-automatic tightness detection device and a semi-automatic tightness detection process for a pneumatic heat preservation container. The semi-automatic tightness detection device of the pneumatic heat preservation container comprises a frame, a positioning mechanism, a pressing detection mechanism and an electrical appliance control system. The positioning mechanism consists of a stand column, a cross beam, a positioning block, a top plate and a support column. The pressing detection mechanism consists of a gas measuring head, a reset spring, an electric cylinder and a pressure sensor. The positioning mechanism is characterized in that the positioning mechanism is arranged on the frame through a beam and an upright post. The gas measuring head of the downward pressure detection mechanism is arranged in a positioning hole of a positioning block, and the positioning block is arranged on the cross beam. The bottom of the gas measuring head is provided with a reset spring. The pressing detection mechanism is provided with a stepping motor which is arranged on the top plate through a motor fixing block. The top plate is fixed with the cross beam through the support column. The stepping motor drives the cylinder to move up and down. The lower pressing head is arranged at the bottom of the screw rod of the electric cylinder. The pressing head is positioned above the pressing cover plate or the vertical stress center line of the pressing cover at the top of the tested air pressure type heat preservation container. The tested air pressure type heat preservation container is placed in the positioning block, and the bottom of the tested air pressure type heat preservation container is in a suspended state. The water outlet of the tested air pressure type heat preservation container is propped against the top of the air measuring head. When measuring, the stepping motor drives the electric cylinder to make the downward pressing head act on the pressing cover plate or the pressing cover of the tested air pressure type heat preservation container. The tightness detection is carried out by pressurizing and maintaining pressure in the pump body of the tested air pressure type heat preservation container. The head and tail parts of the measuring gas are connected with a pressure sensor through a gas pipe, and the pressure sensor is connected with an electric appliance control system circuit. The electrical control system is arranged below the frame. The electrical control system is provided with a preset program. The alarm lamp is connected with the electric appliance control system circuit. When the upper limit pressure value or the leakage pressure value in the detected air pressure type heat preservation container cannot reach the program preset pressure, an automatic alarm device of the electric appliance control system is started.
An air outlet hole is arranged on the central line of the air measuring head. The top of the gas measuring head is hemispherical, and the gas measuring head is made of silica gel. The hardness is between 60 and 90 degrees of Shore hardness. The positioning hole of the positioning block is internally provided with a step, the gas measuring head is limited in the positioning hole by the step under the action of the reset spring, and the gas measuring head and the water outlet of the pneumatic heat preservation container automatically keep a sealing state during measurement.
The positioning block is a cavity. The positioning block is made of profiling carving, is made of nylon, and is provided with a positioning ring at the outer side. The product stability during detection can be met, and the requirement of quick product replacement of products with different sizes and specifications can be met.
The stepper motor has a speed regulation setting. When the downward pressing head descends to the maximum pressing of the tested product, the downward pressing head does not descend to exceed the dead point any more, and the influence on the accuracy of detection due to deformation of the product caused by the downward pressing of the upward pressing head is avoided.
An origin inductive switch and an upper limit inductive switch are arranged on the lower surface of the top plate. The motor fixing block and the top plate are provided with adjustable positioning, so that the detection requirements of pneumatic heat preservation container products with different specifications and shapes are met.
The invention also provides a detection process of the semi-automatic tightness detection device using the pneumatic heat preservation container, which comprises the following steps:
A. Placing the to-be-detected pneumatic heat-preserving container in a positioning block, enabling the bottom of the to-be-detected pneumatic heat-preserving container to be in a suspended state, enabling the water outlet of the pneumatic heat-preserving container to coincide with the semicircular spherical surface of the top of the measuring head, and pressing a start button;
B. The detection device is started, the stepping motor works to enable the downward pressing head to descend to the lower limit set parameter value, and the measured water outlet of the pneumatic heat preservation container and the semicircular spherical surface at the top of the measuring head are positioned between
Sealing state;
C. At the moment, the equipment automatically performs tightness detection on the detected air pressure type heat preservation container according to the set parameters
Measuring, namely pressurizing and maintaining pressure to a pump body of the tested air pressure type heat preservation container to realize tightness detection; D. and after the tightness detection is finished, taking down the air pressure type heat preservation container which is already finished to be detected, putting the air pressure type heat preservation container into the next working procedure of the assembly line, putting the air pressure type heat preservation container to be detected into the next round of circulation production.
The invention has the advantages of solving the problems of high labor intensity of manual operation and poor detection precision, in particular to the automatic test of the simulation product under the actual use environment and state, so that the detection result is closer and more accurate to the actual use effect. The automatic feeding and discharging device is matched with the automatic feeding and discharging of the manipulator, so that automatic detection operation is realized, operators are saved, the production cost is reduced, and the quality and the production efficiency of products are improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the pneumatic thermal insulation container placed in the positioning block.
In the figure: the device comprises a frame 1, a positioning mechanism 2, a pressing detection mechanism 3, an electrical control system 4, a warning lamp 5, a cross beam 6, a stand column 7, an 8-volume air head 9, a positioning block 10, a reset spring 11, a stepping motor 12, a motor fixing block 13, a top plate 14, a support column 15, a pressing head 16, an air pipe 17, a pressure sensor 18, a positioning hole 19, a 20 pneumatic heat preservation container 21, a pump body 22, a water outlet 23 and a positioning ring.
Detailed Description
Embodiments of the invention are further described below with reference to the accompanying drawings:
Referring to fig. 1 and 2, the embodiment comprises a frame 1, a positioning mechanism 2, a pressing detection mechanism 3 and an electrical appliance control system 4, wherein the positioning mechanism 2 consists of a stand column 7, a cross beam 6, a positioning block 9, a top plate 14 and a support column 15. The pressing detection mechanism 3 consists of a gas metering head 8, a return spring 10, an electric cylinder 12 and a pressure sensor 18. The positioning mechanism 2 is arranged on the frame 1 through a cross beam 6 and an upright post 7. The gas measuring head 8 of the pressing detection mechanism 3 is arranged in the positioning hole 19 of the positioning block 9. The positioning block 9 is mounted on the cross beam 6. The bottom of the gas measuring head 8 is provided with a reset spring 10, the central line of the gas measuring head 8 is provided with an air outlet, the top of the gas measuring head 8 is hemispherical, the gas measuring head 8 is made of silica gel, and the hardness is between 60 and 90 degrees of Shore hardness. A step is arranged in the positioning hole 19 of the positioning block 9, and the gas measuring head 8 is limited in the positioning hole 19 by the step under the action of the return spring 10. During measurement, the sealing state is automatically maintained between the air measuring head 8 and the water outlet 22 of the air pressure type heat preservation container 20. The push-down detecting mechanism 3 is provided with a stepping motor 11 mounted on a top plate 14 via a motor fixing block 13. The top plate 14 is fixed to the cross beam 6 via support columns 15. The stepping motor 11 drives the cylinder 12 to move up and down. The lower pressing head 16 is mounted at the bottom of the screw of the electric cylinder 12. The hold down ram 16 is positioned above the vertical force center line of the press plate or press cover on top of the pneumatic thermal container 20 being tested. The top of the air pressure type thermal insulation container 20 of the present embodiment is a press cover. The pneumatic heat preservation container 20 is placed in the positioning block 9, and the bottom of the pneumatic heat preservation container 20 is in a suspended state. The positioning block 9 is a cavity body and is made of nylon by profiling engraving. The outer side of the positioning block 9 is provided with a positioning ring 23. The product stability during detection can be met, and the requirement of quick product replacement of products with different sizes and specifications can be met. The water outlet 22 of the tested air pressure type heat preservation container 20 is propped against the top of the air measuring head 8. When measuring, the stepping motor 11 drives the electric cylinder 12 to make the pressing head 16 move down to act on the pressing cap of the measured air pressure type thermal insulation container 20. The tightness is detected by pressurizing and holding pressure on the pump body 21 of the air pressure type heat preservation container 20 to be measured. The stepper motor 11 has a speed regulation setting, when the downward pressing head 16 descends to the maximum pressure of the tested product, the downward pressing head 16 does not descend to exceed the dead point any more, and the influence on the detection accuracy caused by the deformation of the product due to the downward pressing of the excessive head 16 is avoided. The tail part of the gas measuring head 8 is connected with a pressure sensor 18 through a gas pipe 17. The pressure sensor 18 is electrically connected to the appliance control system 4. The electrical control system 4 is installed below the frame 1. The alarm lamp 5 is in circuit connection with the electrical control system 4. The lower surface of roof 14 is equipped with origin inductive switch and last limit inductive switch, is equipped with adjustable location on motor fixed block 13 and the roof 14, satisfies the detection demand of the vapour-pressure type thermal insulation container product of different specifications, shape. The electrical control system 4 is provided with a preset program, the upper limit pressure value or the leakage pressure value inside the tested pneumatic heat preservation container 20 cannot reach the preset pressure value of the program, and an automatic alarm device of the electrical control system 4 is started.
The detection process of the semi-automatic tightness detection device using the pneumatic heat preservation container of the embodiment comprises the following steps:
A. the shoulder of the air pressure type thermal insulation container 20 to be detected is placed in the positioning block 9, so that the bottom of the air pressure type thermal insulation container 20 to be detected is in a suspended state, and the water outlet and the gas metering of the air pressure type thermal insulation container 20 to be detected
The semicircular spherical surfaces at the top of the head 8 are overlapped, and a starting button is pressed;
B. the detection device is started, the stepping motor 11 works to enable the downward pressing head 16 to descend to the lower limit set parameter value, and the water outlet 22 of the detected pneumatic heat preservation container 20 and the top of the gas measuring head 8 are semicircular
The spherical surfaces are in a sealing state;
C. at this time, the monitoring device automatically detects the tightness of the air pressure type thermal insulation container 20 to be detected according to the parameters set in advance according to the sealing requirements required by various products, and the air pressure type thermal insulation container to be detected is used for detecting the tightness of the air pressure type thermal insulation container
Pressurizing and maintaining pressure of the pump body 21 of the container 20 to realize tightness detection;
D. After the tightness detection is finished, the pneumatic heat-preserving container 20 which is already finished in detection is taken down, and is put into the next working procedure of the assembly line, and the next pneumatic heat-preserving container 20 to be detected is put into the next round of circulation production.
Claims (6)
1. A semi-automatic tightness detection device of a pneumatic heat-preserving container comprises a frame, a positioning mechanism, a pressing detection mechanism and an electric appliance control system, wherein the positioning mechanism consists of a stand column, a cross beam, a positioning block, a top plate and a supporting column, the pressing detection mechanism consists of a gas measuring head, a reset spring, an electric cylinder and a pressure sensor, and is characterized in that the positioning mechanism is arranged on the frame through the cross beam and the stand column, the gas measuring head of the pressing detection mechanism is arranged in a positioning hole of the positioning block, the positioning block is arranged on the cross beam, the bottom of the gas measuring head is provided with the reset spring, the pressing detection mechanism is provided with a stepping motor which is arranged on the top plate through a motor fixing block, the top plate is fixed with the cross beam through the supporting column, the stepping motor drives the electric cylinder to move up and down, the pressing head is arranged at the bottom of a screw rod of the electric cylinder, the pressing head is positioned above the vertical stress center line of a pressing cover plate or the pressing cover at the top of the detected pneumatic heat-preserving container, the detected heat-preserving container is arranged in the positioning block, the bottom of the detected heat-preserving container is in a suspended state, a water outlet of the detected pneumatic heat-preserving container is in contact with the top of the gas measuring head, the tail part of the detected gas measuring head is connected with the pressure sensor through a gas pipe, the control system is connected with the pressure sensor, and the electric appliance control system is connected with the electric appliance, and the frame.
2. The semi-automatic tightness detection device of the pneumatic heat preservation container according to claim 1, wherein an air outlet hole is formed in the central line of the air measuring head, the top of the air measuring head is hemispherical, a step is arranged in a positioning hole of the positioning block, and the air measuring head is limited in the positioning hole by the step under the action of a reset spring. And during measurement, the sealing state is automatically maintained between the measuring gas head and the water outlet of the heat preservation container.
3. The semi-automatic tightness detection device of the pneumatic heat preservation container according to claim 1, wherein the positioning block is a cavity, and a positioning ring is arranged on the outer side of the positioning block.
4. The apparatus for detecting the semi-automatic tightness of a pneumatic type thermal insulation container according to claim 1, wherein the stepping motor is provided with a speed regulation device.
5. The semi-automatic tightness detection device of the pneumatic heat preservation container according to claim 1, wherein an origin induction switch and an upper limit induction switch are arranged on the lower surface of the top plate, and adjustable positioning is arranged on the motor fixing block and the top plate.
6. The process of the semi-automatic tightness detection device using the pneumatic heat preservation container product comprises the following process steps:
A. Placing the air pressure type heat preservation container to be detected in a positioning block, enabling the bottom of the air pressure type heat preservation container to be detected to be in a suspended state, enabling the water outlet of the air pressure type heat preservation container to be detected to coincide with the semicircular spherical surface of the top of the measuring head, and pressing a start button;
B. starting the detection device, and enabling the stepping motor to work so that the downward pressing head descends to a lower limit set parameter value, so that a sealing state is formed between the water outlet of the detected air pressure type heat preservation container and the semicircular spherical surface at the top of the measuring head;
C. at the moment, the device automatically detects the tightness of the detected air pressure type heat preservation container according to the set parameters, and the tightness detection is realized by pressurizing and maintaining the pressure in the pump body of the detected air pressure type heat preservation container;
D. after the tightness detection is finished, the pneumatic heat-preserving container which is already finished in detection is taken down, put into a production line to be shifted to the next procedure, and put into the next product to be detected again to enter the next round of detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211251161.9A CN117928854A (en) | 2022-10-13 | 2022-10-13 | Semi-automatic tightness detection device and process for pneumatic heat preservation container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211251161.9A CN117928854A (en) | 2022-10-13 | 2022-10-13 | Semi-automatic tightness detection device and process for pneumatic heat preservation container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117928854A true CN117928854A (en) | 2024-04-26 |
Family
ID=90749383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211251161.9A Pending CN117928854A (en) | 2022-10-13 | 2022-10-13 | Semi-automatic tightness detection device and process for pneumatic heat preservation container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117928854A (en) |
-
2022
- 2022-10-13 CN CN202211251161.9A patent/CN117928854A/en active Pending
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