CN218566832U

CN218566832U - Semi-automatic sealing performance detection device for air pressure type heat preservation container

Info

Publication number: CN218566832U
Application number: CN202222690937.9U
Authority: CN
Inventors: 程明
Original assignee: Shanghai Wansheng Vacuum Flask & Vessel Co ltd
Current assignee: Shanghai Wansheng Vacuum Flask & Vessel Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-03-03
Anticipated expiration: 2032-10-13

Abstract

The semi-automatic tightness detection device for the air pressure type heat preservation container comprises a machine frame, a positioning mechanism, a pressing detection mechanism and an electric appliance control system. The positioning block is arranged on the cross beam. The pressing detection mechanism is provided with a stepping motor which is arranged on the top plate through a motor fixing block, and the top plate is fixed with the cross beam through a support column. The stepping motor drives the electric cylinder to move up and down. The pressing head is installed at the bottom of a screw rod of the electric cylinder, the gas measuring head is arranged in the positioning hole, a reset spring is arranged at the bottom of the gas measuring head, a measured product is placed in the positioning block, the bottom of the measured product is in a suspended state, and a water outlet of the measured product is in sealed butt joint with the gas measuring head. The electric cylinder presses down the pump body of the product to be detected, the gas measuring head is connected with the electric appliance control system through the pressure sensor, and the electric appliance control system realizes the tightness detection through pressurizing and pressure maintaining the pump body of the product to be detected. The utility model has the advantages that the simulation product tests under the in-service use state, improves the quality and the production efficiency of product and reduced manufacturing cost.

Description

Semi-automatic sealing detection device for air pressure type heat preservation container

Technical Field

The utility model relates to a heat preservation container check out test set, in particular to vapour-pressure type heat preservation container's semi-automatic leakproofness detection device.

Background

The air pressure type heat preservation container is designed according to the air compression principle. When the bottle is used, when the pressing device at the top is pressed, the air in the air pump can be pressed into the bottle liner through the hole of the bottle plug, so that the air in the bottle is compressed, and the water in the bottle automatically flows out from the drain pipe through the bottle nozzle. Therefore, the water outlet and the heat preservation performance of the product are directly influenced by the good and bad sealing performance of the air pressure heat preservation container, and the water outlet effect and the use feeling are directly related. Therefore, the detection of the sealing performance of the air pressure heat-insulating container in the production process is the most basic detection item for ensuring the quality of the air pressure heat-insulating container. At present, the tightness detection of the air pressure type heat preservation container is mainly based on pure manual detection, the detection precision of the traditional processing technology is poor, the labor intensity is high, the efficiency is low, and particularly, the defects which cannot be overcome exist in manual operation, for example, the detection of products is manual operation, the product quality is unstable due to human factors, and the control is not good for the uniform tolerance range of the products. Therefore, the market requires more innovative detection equipment and process to be put into production.

Disclosure of Invention

The utility model aims at providing a semi-automatic leakproofness detection device of vapour-pressure type heat preservation container to the not enough of existence among the prior art. The utility model discloses a semi-automatic leakproofness detection device of vapour-pressure type heat preservation container includes frame, positioning mechanism, pushes down detection mechanism and electrical apparatus control system. The positioning mechanism consists of an upright post, a cross beam, a positioning block, a top plate and a support column. The pressing detection mechanism consists of a gas measuring head, a return spring, an electric cylinder and a pressure sensor. It is characterized in that the positioning mechanism is arranged on the frame through a beam and a column. The gas measuring head of the pressing 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 return 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 the screw rod of the electric cylinder. The pressing head is positioned above the pressing cover plate or the pressing cover vertical stress central line on 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 pressed against the top of the air measuring head. When measuring, the step motor drives the electric cylinder to make the pressing head move downwards to 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 the pressure in the pump body of the tested pneumatic heat-insulating container. The tail part of the air measuring head is connected with a pressure sensor through an air pipe, and the pressure sensor is connected with an electric appliance control system circuit. The electrical appliance control system is arranged below the frame. The electric appliance 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 inside the tested air pressure type heat preservation container does not reach the preset pressure, the automatic alarm device of the electric appliance control system is started.

And an air outlet 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 60-90 degrees 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 air pressure type heat preservation container automatically keep a sealing state during measurement.

The positioning block is a cavity. The positioning block is made of nylon by profiling carving, and a positioning ring is arranged on the outer side of the positioning block. The stability of product can satisfy when detecting again can satisfy the demand that different size, specification model products trade the product fast.

The stepper motor has a speed regulation arrangement. When the pressing head descends to the maximum pressurizing of the tested product, the pressing head does not descend beyond the dead point any more, and the influence on the detection accuracy caused by the deformation of the product due to the pressing head is avoided.

And the lower surface of the top plate is provided with an original point induction switch and an upper limit induction switch. The motor fixing block and the top plate are provided with adjustable positioning, so that the detection requirements of air pressure type heat-insulating container products with different specifications and shapes are met.

The utility model has the advantages that solved the problem that manual operation intensity of labour is big, the detection precision is poor, especially the automatic test that the simulation product goes on under in-service use environment and state makes testing result and actual effect more be close, more accurate. The automatic detection device is matched with the automatic feeding and discharging of the manipulator, so that the automatic detection operation can be realized, the 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 view of the structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the pneumatic insulated container placed in the positioning block.

In the figure: the device comprises a frame 1, a positioning mechanism 2, a pressing-down detection mechanism 3, an electrical appliance control system 4, an alarm lamp 5, a crossbeam 6, a column 7, an air measuring head 8, a positioning block 9, a return spring 10, a stepping motor 11, an electric cylinder 12, a motor fixing block 13, a top plate 14, a support column 15, a pressing-down head 16, an air pipe 17, a pressure sensor 18, a positioning hole 19, an air pressure type heat-preservation container 20, a pump body 21, a water outlet 22 and a positioning ring 23.

Detailed Description

The embodiments of the present invention will be further explained with reference to the accompanying drawings:

referring to fig. 1 and 2, the present embodiment includes a rack 1, a positioning mechanism 2, a press-down detection mechanism 3, and an electrical appliance control system 4, where the positioning mechanism 2 is composed of a column 7, a beam 6, a positioning block 9, a top plate 14, and a support column 15. The pressing detection mechanism 3 is composed of a gas measuring 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 beam 6 and a column 7. The gas measuring head 8 of the press-down detection mechanism 3 is disposed 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 return spring 10, the central line of the gas measuring head 8 is provided with a gas 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 60-90 degrees of Shore hardness. A step is arranged in a 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 air measuring head 8 and the water outlet 22 of the air pressure type heat preservation container 20 automatically keep a sealing state. The pressing detection mechanism 3 is provided with a stepping motor 11 which is arranged on a top plate 14 through a motor fixing block 13. The top plate 14 is fixed to the cross member 6 via support posts 15. The stepping motor 11 drives the electric cylinder 12 to move up and down. The pressing ram 16 is mounted at the bottom of the lead screw of the electric cylinder 12. The pressing head 16 is located above the vertical stress central line of the pressing cover plate or the pressing cover on the top of the measured air pressure type heat preservation container 20. The top of the pneumatic thermal insulation container 20 of this embodiment is a press cover. The air pressure type heat preservation container 20 is placed in the positioning block 9, and the bottom of the air pressure type heat preservation container 20 is in a suspended state. The positioning block 9 is a cavity and is made of nylon by profiling carving. A positioning ring 23 is arranged outside the positioning block 9. The stability of product can satisfy when detecting again can satisfy the demand that different size, specification model products trade the product fast. The water outlet 22 of the tested air pressure type heat preservation container 20 is pressed against the top of the air measuring head 8. When measuring, the stepping motor 11 drives the electric cylinder 12 to make the pressing ram 16 downwards act on the pressing cover of the measured air pressure type heat preservation container 20. The tightness is detected by pressurizing and maintaining the pressure in the cylinder 21 of the pneumatic thermal insulation container 20 to be tested. The stepping motor 11 has a speed regulation setting, when the downward pressing head 16 moves downwards to the maximum pressurizing of the tested product, the downward pressing head 16 does not move downwards to exceed a dead point any more, and the influence on the detection accuracy caused by the deformation of the product due to the downward pressing head 16 is avoided. The tail part of the air measuring head 8 is connected with a pressure sensor 18 through an air pipe 17. The pressure sensor 18 is in circuit connection with the appliance control system 4. The appliance control system 4 is mounted below the rack 1. The alarm lamp 5 is connected with the electric appliance control system 4 through a circuit. The lower surface of roof 14 is equipped with initial point inductive switch and last spacing 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 heat preservation container product of different specifications, shape. The electrical appliance control system 4 is provided with a preset program, the upper limit pressure value or the leakage pressure value inside the measured air pressure type heat preservation container 20 does not reach the program preset pressure value, and the automatic alarm device of the electrical appliance control system 4 is started.

The operation of detecting the sealability of the air pressure type thermal insulation container using the detection apparatus of the present embodiment is:

when the detection is started, the shoulder of the pneumatic heat-insulating container 20 to be detected is placed in the positioning block 9, and the bottom of the pneumatic heat-insulating container 20 to be detected is in a suspended state. When the air pressure type heat preservation container 20 to be detected is put into the air pressure type heat preservation container 20, the water outlet of the air pressure type heat preservation container 20 to be detected is superposed with the semicircular spherical surface at the top of the air measuring head 8, and the water outlet 22 of the air pressure type heat preservation container 20 to be detected and the semicircular spherical surface at the top of the air measuring head 8 are in a sealing state under the action of the return spring 10. At this time, the monitoring device automatically performs the airtightness detection of the pneumatic thermal container 20 to be inspected based on the parameters set in advance according to the sealing requirements required for various products, and the airtightness detection is realized by pressurizing and maintaining the pressure of the pump body 21 of the pneumatic thermal container 20 to be inspected. Starting the detection device, wherein the stepping motor 11 works to drive the electric cylinder 12 to enable the pressing head 16 to descend, the pressing head 16 descends to a lower limit set parameter value, and the pressing detection mechanism 3 is enabled to carry out sealing detection on the pneumatic heat-preservation container 20 to be detected according to the sealing requirement required by a product by pressurizing and maintaining the pressure of the pump body 21 of the pneumatic heat-preservation container 20 to be detected for a period of time; after the tightness detection, the testing procedure of qualified products is finished, the pressing head 16 is pressed downwards to move upwards, the air pressure type heat preservation container 20 which is detected is taken down and put into the next process of the assembly line, the next air pressure type heat preservation container 20 to be detected is put into the next cycle of production, and the pressing detection mechanism 3 automatically alarms through the alarm lamp 5 of the electric control system 4 for unqualified products.

Claims

1. A semi-automatic tightness detector for pneumatic insulating container is composed of machine frame, locating unit consisting of vertical column, transverse beam, locating block, top plate and supporting column, pressing-down unit consisting of gas measuring head, restoring spring, electric cylinder and pressure sensor, and electric control system.

2. The apparatus of claim 1, wherein the gas measuring head has a gas outlet hole on a center line, the top of the gas measuring head is hemispherical, a step is disposed in the positioning hole of the positioning block, the gas measuring head is limited in the positioning hole by the step under the action of the return spring, and the gas measuring head and the water outlet of the thermal insulation container are automatically sealed during measurement.

3. The apparatus of claim 1, wherein the positioning block is a cavity, and a positioning ring is disposed outside the positioning block.

4. The apparatus of claim 1, wherein the stepping motor has a speed-adjusting device.

5. The semi-automatic tightness detection device of the air pressure type heat preservation container according to claim 1, characterized in that the lower surface of the top plate is provided with an origin point induction switch and an upper limit induction switch, and the motor fixing block and the top plate are provided with adjustable positioning.