CN-224216248-U - Air tightness detection equipment

Abstract

The utility model discloses air tightness detection equipment which comprises a pressing mechanism, a feeding mechanism and a detection mechanism, wherein the pressing mechanism comprises a pressing upper die and a pressing lower die, the pressing upper die comprises a driving structure, a first pressing plate, a second pressing plate and a plurality of adjusting structures, the second pressing plate is arranged between the first pressing plate and the pressing lower die, a pressing area is formed between the second pressing plate and the pressing lower die, the adjusting structures are distributed at intervals along the edge of the second pressing plate and are respectively connected with the first pressing plate and the second pressing plate and are used for adjusting the distance between the first pressing plate and the second pressing plate, the driving structure is in driving connection with the first pressing plate, the first pressing plate can drive the second pressing plate to be close to or far away from the pressing area through the adjusting structures under the driving of the driving structure, the feeding mechanism is arranged on one side of the pressing mechanism and is used for feeding and discharging the pressing area, and the detection mechanism is arranged on one side of the pressing area and is used for detecting air tightness of workpieces in the pressing area. The utility model has better air tightness detection effect.

Inventors

• ZHOU LINGCONG

Assignees

• 桂林领益制造有限公司

Dates

Publication Date

20260508

Application Date

20250527

Claims (10)

1. 1. An air tightness detection device, characterized by comprising: The pressing mechanism comprises a pressing upper die and a pressing lower die, the pressing upper die comprises a driving structure, a first pressing plate, a second pressing plate and a plurality of adjusting structures, the second pressing plate is arranged between the first pressing plate and the pressing lower die, a pressing area is formed between the second pressing plate and the pressing lower die, the adjusting structures are distributed at intervals along the edge of the second pressing plate, the adjusting structures are respectively connected with the first pressing plate and the second pressing plate and are used for adjusting the distance between the first pressing plate and the second pressing plate, the driving structure is in driving connection with the first pressing plate, and under the driving of the driving structure, the first pressing plate can drive the second pressing plate to be close to or far away from the pressing area through the adjusting structures; The feeding mechanism is arranged on one side of the pressing mechanism and is used for feeding and discharging the pressing area; The detection mechanism is arranged on one side of the pressing area and is used for detecting the air tightness of the workpiece in the pressing area.
2. 2. The air tightness testing apparatus according to claim 1, wherein said adjusting structure comprises an adjusting bolt and an elastic connecting member, said adjusting bolt comprising a head portion and a rod portion connected, said rod portion slidably penetrating said second pressing plate and being screwed to said first pressing plate, an upper end of said head portion being abutted against said second pressing plate, said elastic connecting member being connected to said first pressing plate and said second pressing plate, respectively, and for providing an elastic force for holding said second pressing plate against an upper end of said head portion.
3. 3. The air tightness detection device according to claim 2, wherein the elastic connecting piece is a spring, the spring is sleeved on the rod portion, and the upper end and the lower end of the spring are respectively abutted against the first pressing plate and the second pressing plate.
4. 4. The air tightness detection device according to claim 2, wherein the pressing mechanism further comprises a pressure sensor, the pressure sensor is arranged between the output end of the driving structure and the first pressing plate and is used for detecting the pressure between the output end of the driving structure and the first pressing plate, and the pressure sensor is electrically connected with the driving structure.
5. 5. The air tightness detection device according to claim 1, wherein the feeding mechanism comprises a mechanical arm, a mounting frame and an adsorption structure, the adsorption structure is used for adsorbing a workpiece, two opposite ends of the mounting frame in the horizontal direction are respectively connected with an execution end of the mechanical arm and the adsorption structure, and the mechanical arm is used for driving the mounting frame to horizontally move so that the adsorption structure enters or leaves the pressing area.
6. 6. The air tightness testing apparatus of claim 5 wherein said mounting bracket is rotatably connected to an actuating end of said robotic arm about a vertical axis.
7. 7. The air tightness detection device according to claim 1, further comprising a conveying belt, wherein the conveying belt is arranged on one side of the pressing mechanism and is used for conveying workpieces, an upper material loading area and a lower material loading area are arranged on the conveying belt, and the feeding mechanism can achieve transfer of the workpieces between the upper material loading area and the lower material loading area and the pressing area.
8. 8. The air tightness detecting apparatus according to claim 7, wherein said conveyor belt is further provided with a correction area, said correction area being located on a front side of said loading and unloading area in a conveying direction of said conveyor belt, and a correction mechanism for correcting a workpiece on said conveyor belt in a width direction of said conveyor belt is provided in said correction area.
9. 9. The apparatus according to claim 8, wherein the correction mechanism includes two correction members, a correction passage for allowing the passage of the workpiece is formed between the two correction members, and the correction passage is funnel-shaped with a cross-sectional dimension gradually decreasing in a conveying direction of the conveying belt.
10. 10. The air tightness detection device according to claim 7, comprising a plurality of pressing mechanisms arranged side by side along the conveying direction of the conveying belt, wherein a workstation is arranged on one side of the pressing mechanisms away from the conveying belt.

Description

Air tightness detection equipment Technical Field The utility model relates to the technical field of air tightness detection, in particular to air tightness detection equipment. Background The air tightness detection equipment generally comprises an upper pressing die and a lower pressing die, when air tightness detection is needed, a worker presses the upper pressing die on the product by placing the product on the lower pressing die, so that a closed cavity is formed inside the product, then a certain pressure gas is filled in the cavity and is kept for a period of time to reach a stable state, an air source is cut off, the pressure in the cavity is kept constant, then a pressure sensor is used for recording a pressure value in real time, so that air tightness of the product is detected, but if the upper pressing die and the lower pressing die are not in a parallel state, the sealing performance of the cavity formed among the upper pressing die, the lower pressing die and the product is poor, and the air tightness test result is affected. Disclosure of utility model The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the air tightness detection equipment with good air tightness detection effect. According to the air tightness detection device, the air tightness detection device comprises a pressing mechanism, a feeding mechanism and a detection mechanism, wherein the pressing mechanism comprises a pressing upper die and a pressing lower die, the pressing upper die comprises a driving structure, a first pressing plate, a second pressing plate and a plurality of adjusting structures, the second pressing plate is arranged between the first pressing plate and the pressing lower die, a pressing area is formed between the second pressing plate and the pressing lower die, the adjusting structures are distributed at intervals along the edge of the second pressing plate, the adjusting structures are respectively connected with the first pressing plate and the second pressing plate and are used for adjusting the distance between the first pressing plate and the second pressing plate, the driving structure is in driving connection with the first pressing plate, the first pressing plate can drive the second pressing plate to be close to or far away from the pressing area through the adjusting structures under the driving of the driving structure, the feeding mechanism is arranged on one side of the pressing mechanism and is used for feeding and discharging the pressing area, and the detection mechanism is arranged on one side of the pressing area and is used for detecting air tightness of workpieces in the pressing area. According to the embodiment of the utility model, the air tightness detection equipment has at least the following technical effects: In the air tightness detection equipment, a workpiece is placed in a pressing area of a pressing lower die and a pressing upper die through a feeding mechanism, the pressing lower die is used for bearing the workpiece, then a driving structure of the pressing upper die drives a first pressing plate to move downwards so as to drive a second pressing plate to approach the pressing lower die and press the workpiece, a closed cavity is formed among the second pressing plate, the workpiece and the pressing lower die, and then the air tightness of a product is detected through a detection mechanism. The first pressing plate and the second pressing plate are connected through the plurality of adjusting structures, and the relative distance between the edges of the first pressing plate and the edges of the second pressing plate are adjusted through the adjusting structures, so that the second pressing plate and the pressing lower die are in a parallel state, the second pressing plate, the pressing lower die and the workpiece are well attached, the sealing performance of a cavity formed among the pressing upper die, the pressing lower die and the workpiece is good, and the detection effect of the air tightness detection device is good. According to some embodiments of the utility model, an air tightness detecting apparatus includes an adjusting bolt and an elastic connecting member, the adjusting bolt includes a head portion and a rod portion connected to each other, the rod portion slidably penetrates through the second pressing plate and is in threaded connection with the first pressing plate, an upper end of the head portion abuts against the second pressing plate, and the elastic connecting member is connected with the first pressing plate and the second pressing plate respectively and is used for providing elastic force for keeping the second pressing plate abutting against the upper end of the head portion. According to the air tightness detection device provided by some embodiments of the utility model, the elastic connecting piece is a spring, the spring is sleeved on the rod pa