CN223841382U - An automatic airtightness testing device - Google Patents

Abstract

This utility model relates to the technical field of airtightness testing, and in particular to an automatic airtightness testing device, including a test frame, an airtightness instrument, and an interlocking assembly. The test frame has a test platform for placing the product under test. The interlocking assembly has an airtight cover and an interlocking cylinder. The airtight cover is fixed to the piston end of the interlocking cylinder, causing the interlocking cylinder to rotate and drive the airtight cover to move a certain distance, so that the open side of the airtight cover aligns with and covers the end face of the product under test. The airtight cover also has a test through-hole, which is connected to the airtightness instrument via a pipeline, allowing the airtightness instrument to perform airtightness testing on the end face inside the airtight cover. In summary, by incorporating multiple automated structures such as the airtight cover, interlocking assembly, lifting, and back-pushing mechanisms, effective sealing and multi-point airtightness testing of the product under test are achieved, improving testing efficiency, reducing costs, and enhancing adaptability.

Description

Automatic airtight test equipment

Technical Field

The utility model relates to the technical field of air tightness test, in particular to automatic air tightness test equipment.

Background

With the continuous increase of industrial production and product quality requirements, air tightness test is becoming more important in various fields, especially in the industries of automobiles, aviation, electronics, medical equipment and the like, and ensuring the tightness of products is directly related to the performance and safety of the products. For example, many devices and components require protection from leakage of gas or liquid to ensure proper use and to extend service life. Therefore, how to perform the air tightness test efficiently and accurately becomes a great technical challenge in the industry.

Existing tightness tests often rely on manual operations or simple equipment, which have significant drawbacks in terms of:

The test efficiency is low, and the traditional airtight test usually needs to be independently tested for each hole or part to be tested, so that the time is consumed, misoperation is easy to cause, and the overall test efficiency is reduced.

The cost is high, and the existing equipment is usually required to be provided with airtight test air nozzles with various sizes and models due to the large difference of shapes and sizes of different holes and parts. This diversified demand leads to an increase in the number of equipment and accessories, thereby increasing production and maintenance costs.

The adaptability is poor, the adaptability of the existing equipment is poor, the air tightness test of complex shapes is difficult to realize, and a specific testing device is often required to be customized, so that the cost and the time are further increased.

Therefore, it is necessary to provide an automatic airtight testing apparatus, which solves the defects of the prior art and promotes the development and application of airtight testing technology.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art and provides a technical scheme capable of solving the problems.

The utility model provides automatic airtight test equipment which comprises a test rack, an airtight instrument and an opposite-inserting assembly, wherein the test rack is provided with a test platform and is used for placing a product to be tested, the airtight instrument and the opposite-inserting assembly are respectively arranged on the test rack, the opposite-inserting assembly is provided with an airtight cover and an opposite-inserting cylinder, the airtight cover is fixedly connected to a piston end of the opposite-inserting cylinder, the opposite-inserting cylinder is enabled to operate, the airtight cover is driven to move for a certain distance, one side of an opening of the airtight cover is abutted to cover an end face to be tested of the product to be tested, and the airtight cover is further provided with a test through hole, and the test through hole and the airtight instrument form an air passage communication state through a pipeline, so that the airtight instrument can conduct airtight test on the end face to be tested in the airtight cover.

The utility model further provides a further scheme that the opposite-inserting assembly is further provided with an opposite-inserting support and a track adjusting assembly, the opposite-inserting support is fixedly connected to the testing machine frame, the track adjusting assembly is provided with an adjusting screw rod, an adjusting handle, an adjusting nut and an adjusting support, the adjusting screw rod is rotatably connected to the opposite-inserting support, the adjusting handle is fixedly connected to one end of the adjusting screw rod so as to rotate the adjusting screw rod, the adjusting nut is sleeved on the adjusting screw rod and in threaded transmission connection with the adjusting screw rod, and the adjusting support is in transmission connection with the adjusting nut and used for installing an opposite-inserting air cylinder.

As a further scheme of the utility model, the track adjusting assembly is also provided with an adjusting guide rail and an adjusting slide block which are matched with each other to form a linear motion system, the adjusting guide rail is fixedly connected with the opposite-inserting bracket, and the adjusting slide block is fixedly connected with the adjusting bracket, so that the adjusting bracket performs linear motion through the matching of the adjusting slide block and the adjusting guide rail.

The test platform is further provided with a jacking panel, a jacking bracket, a jacking air cylinder, a jacking guide shaft and a jacking bearing, wherein the jacking bracket is fixedly connected with the test frame, the jacking bearing and the jacking air cylinder are respectively fixedly connected with the jacking bracket, one end of the jacking guide shaft is fixedly connected with the jacking panel, the other end of the jacking guide shaft penetrates through the jacking bearing, so that a linear motion system is formed, and the piston end of the jacking air cylinder is in transmission connection with the jacking panel.

The utility model further provides a back pushing assembly, the back pushing assembly is provided with a back pushing panel, a back pushing support, a back pushing driving piece, a back pushing directional shaft and a back pushing bearing, the back pushing support is fixedly connected to the test rack, the back pushing bearing and the back pushing driving piece are fixedly connected to the back pushing support respectively, one end of the back pushing guide shaft is fixedly connected to the back pushing panel, the other end of the back pushing guide shaft penetrates through the back pushing bearing, and therefore a linear motion system is formed, and the driving end of the back pushing driving piece is connected to the back pushing panel in a transmission manner.

As a further scheme of the utility model, the test device further comprises a cantilever assembly and a clamping assembly, wherein the cantilever assembly is arranged on the test rack, and the clamping assembly is arranged on the driving end of the cantilever assembly.

The clamping assembly is further provided with a clamping support, a clamping motor, a first screw rod, a first clamping hand, a first nut, a second screw rod, a second clamping hand and a second nut, wherein two ends of the clamping support are respectively connected with the driving end of the cantilever assembly in a transmission mode, the clamping motor is arranged on the clamping support, the first screw rod and the second screw rod are respectively connected with the clamping support in a rotating mode, one end of the first screw rod is connected with an output shaft of the clamping motor in a transmission mode, the other end of the first screw rod is connected with the second screw rod in a transmission mode, so that the clamping motor drives the first screw rod and the second screw rod to synchronously rotate, the first clamping hand is fixedly connected with the first nut, the first nut is sleeved on the first screw rod and forms threaded transmission connection, the second clamping hand is fixedly connected with the second nut, the second nut is sleeved on the second screw rod and forms threaded transmission connection, and the spiral directions of the threaded structures of the first screw rod and the second screw rod are opposite to each other.

As a further scheme of the utility model, the clamping assembly is also provided with a clamping guide rail and a plurality of clamping sliding blocks, the clamping guide rail is fixedly connected with the clamping bracket, the clamping sliding blocks are respectively fixedly connected with the first clamping hand and the second clamping hand, and the clamping guide rail and the clamping sliding blocks are matched with each other to form a linear motion system.

As a further scheme of the utility model, the cantilever assembly is provided with a cantilever bracket, a cantilever guide rail, a cantilever sliding block and a cantilever driving piece, wherein the cantilever bracket is fixedly connected with the test rack, the cantilever guide rail is fixedly connected with the cantilever bracket, the cantilever sliding block is fixedly connected with the clamping bracket and is matched with the cantilever guide rail to form a linear motion system, and the driving end of the cantilever driving piece is in transmission connection with the clamping bracket so as to drive the clamping bracket to perform linear motion along the cantilever guide rail.

Compared with the prior art, the utility model has the beneficial effects that:

Therefore, the utility model provides automatic airtight testing equipment, which realizes effective sealing and multipoint airtight testing of products to be tested by arranging various automatic structures such as an airtight cover, an opposite-plug assembly, a jacking and back pushing mechanism and the like, and particularly realizes high-efficiency, accurate and automatic testing of products to be tested with multiple holes and multiple specifications. The testing efficiency is improved, the cost is reduced, the adaptability of the equipment to products with various shapes and sizes is enhanced, and the high standard requirement of modern industrial production on the air tightness test is met.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of the apparatus of the present utility model;

FIG. 2 is a schematic view of the structure of the insert assembly and track adjustment assembly of the present utility model;

FIG. 3 is a schematic view of the structure of the adjusting screw and the adjusting bracket of the present utility model;

FIG. 4 is a schematic diagram of the structure of the test platform of the present utility model;

FIG. 5 is a schematic view of the push-back assembly of the present utility model;

FIG. 6 is a schematic illustration of the structure of the cantilever assembly and the clamping assembly of the present utility model;

Fig. 7 is a schematic structural view of the clamping assembly of the present utility model.

Reference numerals and names in the drawings are as follows:

10 test rack, 11 conveying track, 12 airtight instrument, 20 test platform, 21 jacking panel, 22 jacking column, 23 jacking bracket, 24 jacking cylinder, 25 jacking guide shaft, 26 jacking bearing, 30 back pushing component, 31 back pushing panel, 32 back pushing bracket, 33 back pushing driving component, 34 back pushing shaft, 35 back pushing bearing, 40 opposite inserting component, 41 airtight cover, 42 sealing ring, 43 test through hole, 44 opposite inserting cylinder, 45 opposite inserting bracket, 50 track adjusting component, 51 adjusting screw, 52 adjusting handle, 53 adjusting nut, 54 adjusting bracket, 55 locking component, 56 locking spanner, 57 adjusting guide rail, 58 adjusting slide block, 60 cantilever component, 61 cantilever bracket, 62 cantilever guide rail, 63 cantilever slide block, 64 cantilever driving component, 65 clamping guide rail, 66 clamping slide block, 70 clamping component, 71 clamping bracket, 72 clamping motor, 73 first screw rod, 74 first screw rod, 75 first screw rod, 76 second screw rod, 77 second screw rod, 78 second screw rod, 80 product to be tested, 81 end face to be tested.

Detailed Description

The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 7, in an embodiment of the present utility model, an automatic airtight testing apparatus includes a testing rack 10, an airtight device 12 and an inserting assembly 40, wherein the testing rack 10 is provided with a testing platform 20 for placing a product 80 to be tested, the airtight device 12 and the inserting assembly 40 are respectively mounted on the testing rack 10, the inserting assembly 40 is provided with an airtight cover 41 and an inserting cylinder 44, the inserting cylinder 44 is mounted on the inserting assembly 40, the airtight cover 41 is fixedly connected to a piston end of the inserting cylinder 44, the inserting cylinder 44 is operated, the airtight cover 41 is driven to move a certain distance, one side of an opening of the airtight cover 41 is abutted against an end surface 81 to be tested of the product 80 to be tested, and the airtight cover 41 is further provided with a testing through hole 43, and the testing through hole 43 and the airtight device 12 form an air path communication state through a pipeline, so that the airtight device 12 performs an airtight test on the end surface 81 to be tested in the airtight cover 41.

Specifically, one side of the product 80 to be tested is usually provided with a plurality of holes to be tested for air tightness, and the holes are internally provided with various components penetrating through the inner space and the outer space of the product, such as connectors, switches and the like, so that the contact positions of the corresponding holes and the components are required to be tested for air tightness due to performance requirements such as water resistance. Because the holes and the parts are more and have different sizes and shapes, particularly some irregular holes and parts, the air tightness test is inconvenient, and the independent air tightness test for each hole is relatively complicated. The airtight test air nozzles with corresponding sizes are required to be respectively arranged, the model is too many, the cost is high, the test process is complex, and the test efficiency is affected. Therefore, by providing the airtight cover 41, the end face 81 to be tested of the product 80 to be tested is covered and butted integrally, so that the end face 81 to be tested can be subjected to corresponding airtight tests simultaneously.

Next, the opening of the airtight cover 41 is disposed at an end far from the opposite-plug assembly 40, and a sealing ring 42 is disposed on a sidewall of the opening, so that the sealing ring 42 can strengthen the tightness between the two when the opening of the airtight cover 41 can be abutted and covered on the end face 81 to be tested of the product 80 to be tested.

As shown in fig. 1 to 3, preferably, the inserting assembly 40 is further provided with an inserting bracket 45 and a track adjusting assembly 50, the inserting bracket 45 is fixedly connected to the test rack 10, the track adjusting assembly 50 is mounted on the inserting bracket 45 and is provided with an adjusting screw rod 51, an adjusting handle 52, an adjusting nut 53 and an adjusting bracket 54, the adjusting screw rod 51 is rotatably connected to the inserting bracket 45, the adjusting handle 52 is fixedly connected to one end of the adjusting screw rod 51 so as to rotate the adjusting screw rod 51, the adjusting nut 53 is sleeved on the adjusting screw rod 51 and forms a threaded transmission connection with the adjusting screw rod 51, the adjusting screw rod 51 rotates to drive the adjusting nut 53 to perform linear motion along the adjusting screw rod 51, and the adjusting bracket 54 is in transmission connection with the adjusting nut 53 and is used for mounting the inserting cylinder 44.

Specifically, in order to move the airtight cover 41 in the up-down direction, so as to adapt to different heights of the product 80 to be tested, a track adjusting assembly 50 may be further provided, the adjusting screw 51 may be rotated by using the adjusting handle 52, so as to drive the adjusting nut 53 to perform linear motion along the adjusting screw 51, and drive the adjusting bracket 54 to perform linear motion synchronously, so that the opposite air cylinder 44 and the airtight cover 41 may perform linear motion in the up-down direction. Since the up-down height of the counter insert assembly 40 is only required to be adjusted once after the replacement of the airtight cover 41 when testing different products 80 to be tested, the adjustment setting can be simply performed using the adjustment handle 52.

In addition, after adjustment, in the process of testing the product 80 to be tested of the same model, the adjusting screw 51 does not need to be adjusted again, so in order to lock the adjusting screw 51, the locking member 55 may be further mounted on the opposite-insertion bracket 45, and the adjusting screw 51 may be clamped by one end of the locking member 55, so that the clamping force of the locking member 55 is adjusted by the locking wrench 56, so that the adjusting screw 51 is locked.

As shown in fig. 2 and 3, the track adjusting assembly 50 is preferably further provided with an adjusting rail 57 and an adjusting slider 58 that cooperate with each other to form a linear motion system, the adjusting rail 57 is fixedly connected to the opposite bracket 45, and the adjusting slider 58 is fixedly connected to the adjusting bracket 54, so that the adjusting bracket 54 performs linear motion by cooperation of the adjusting slider 58 and the adjusting rail 57 with each other.

Specifically, in order to make the movement of the airtight cover 41 in the vertical direction smoother and smoother, the adjustment in the vertical direction is facilitated, and the adjustment can be further assisted by providing a linear guide module, that is, the adjustment guide 57 and the adjustment slider 58 can be combined to form a linear guide module in the prior art.

As shown in fig. 1 and 4, preferably, the test platform 20 is provided with a lifting panel 21, a lifting bracket 23, a lifting cylinder 24, a lifting guide shaft 25 and a lifting bearing 26, wherein the lifting bracket 23 is fixedly connected to the test rack 10, the lifting bearing 26 and the lifting cylinder 24 are fixedly connected to the lifting bracket 23 respectively, one end of the lifting guide shaft 25 is fixedly connected to the lifting panel 21, the other end of the lifting guide shaft is arranged through the lifting bearing 26 so as to form a linear motion system, and the piston end of the lifting cylinder 24 is in transmission connection with the lifting panel 21 so as to drive the lifting panel 21 to vertically move, thereby realizing the lifting operation of the test platform 20.

Specifically, in order to perform a vertical lifting movement operation on the product 80 to be tested, a corresponding lifting mechanism may be further provided, and the lifting cylinder 24 is used to drive the lifting panel 21 to perform a vertical movement. In order to test the products 80 to be tested in different shapes or sizes, the jacking panel 21 may be provided with corresponding jacking columns 22, preferably, one end of the jacking column 22 contacting the products 80 to be tested is provided with a wear-resistant and anti-slip contact material with certain flexibility, so that the support of the products 80 to be tested can be more stable, and meanwhile, the products 80 to be tested cannot be scratched. The jacking bearing 26 is preferably a flange type linear bearing, and is conveniently mounted on the jacking bracket 23, so that the jacking bearing and the jacking guide shaft 25 are matched with each other to form a linear motion system.

As shown in fig. 1 and 5, the device preferably further comprises a back pushing assembly 30, the back pushing assembly 30 is provided with a back pushing panel 31, a back pushing support 32, a back pushing driving piece 33, a back pushing guiding shaft 34 and a back pushing bearing 35, the back pushing support 32 is fixedly connected to the test rack 10, the back pushing bearing 35 and the back pushing driving piece 33 are fixedly connected to the back pushing support 32 respectively, one end of the back pushing guiding shaft 34 is fixedly connected to the back pushing panel 31, the other end of the back pushing guiding shaft penetrates through the back pushing bearing 35 so as to form a linear motion system, and the driving end of the back pushing driving piece 33 is in transmission connection with the back pushing panel 31 so as to drive the back pushing panel 31 to move transversely, so that a product 80 to be tested is subjected to back pushing operation.

Specifically, since the end face 81 to be measured of the product 80 to be measured is subjected to the thrust of the airtight cover 41, the opposite end of the end face 81 to be measured of the product 80 to be measured may be supported in order to secure the product 80 to be measured. A support plate (not shown) may simply be provided on the test rack 10 for support.

Secondly, in order to better adapt to the products 80 to be tested with different shapes and sizes, it is preferable that the back pushing assembly 30 is further provided, and the back pushing driving member 33 of the back pushing assembly 30 can be used to push the back pushing panel 31 to perform the back pushing operation on the other end of the products 80 to be tested, so that the products 80 to be tested are supported, and the airtight cover 41 is convenient to perform the sealing operation on the end face 81 to be tested. Wherein the back pushing driving member 33 is preferably arranged by an electric cylinder in the prior art, and the motor is used for driving the screw rod to perform linear motion.

As shown in fig. 1, 6 and 7, the test rack further preferably comprises a cantilever assembly 60 and a clamping assembly 70, wherein the cantilever assembly 60 is mounted on the test rack 10, and the clamping assembly 70 is mounted on the driving end of the cantilever assembly 60, so that the clamping assembly 70 is driven to move transversely.

Specifically, in order to clamp the product 80 to be tested, while not affecting the conveying path of the product 80 to be tested, a corresponding cantilever assembly 60 and a clamping assembly 70 may be provided to cooperate with each other to complete the clamping and releasing of the product 80 to be tested.

As shown in fig. 7, preferably, the clamping assembly 70 is provided with a clamping bracket 71, a clamping motor 72, a first screw rod 73, a first clamping hand 74, a first nut 75, a second screw rod 76, a second clamping hand 77 and a second nut 78, wherein two ends of the clamping bracket 71 are respectively connected with the driving end of the cantilever assembly 60 in a transmission manner, the clamping motor 72 is mounted on the clamping bracket 71, the first screw rod 73 and the second screw rod 76 are respectively connected with the clamping bracket 71 in a rotation manner, one end of the first screw rod 73 is connected with an output shaft of the clamping motor 72 in a transmission manner, the other end of the first screw rod 73 is connected with the second screw rod 76 in a transmission manner, so that the clamping motor 72 drives the first screw rod 73 and the second screw rod 76 to synchronously rotate, the first clamping hand 74 is fixedly connected with the first nut 75, the first nut 75 is sleeved on the first screw rod 73 and forms a threaded transmission connection, the second clamping hand 77 is fixedly connected with the second nut 78, the second nut 78 is sleeved on the second screw rod 76 and forms a threaded transmission connection, and the screw directions of the threads of the first screw rod 73 and the second screw rod 76 are opposite to each other, and when the first screw rod 73 and the second screw rod 76 rotate synchronously, the first screw rod 73 and the second screw rod 76 respectively drive the first screw rod 76 and the second screw rod 76 to synchronously rotate, and the first clamping hand 76 and the second clamping hand 76 to move relative to the first hand nut 80.

Specifically, in order to enable the first clamping hand 74 and the second clamping hand 77 to perform a clamping operation by moving relatively close to each other, the first screw 73 and the second screw 76 may be driven by two motors, for example, two motors are provided to drive the first screw 73 and the second screw 76 to rotate in opposite directions, so that the first nut 75 and the second nut 78 may move relatively close to each other, and further drive the first clamping hand 74 and the second clamping hand 77 to perform a clamping operation.

Secondly, it is preferable that the first screw 73 and the second screw 76 are also connected in a transmission manner to realize synchronous rotation in order to save one motor. The screw structures of the first screw 73 and the second screw 76 may be screw structures with opposite screw directions, so that the first screw 73 and the second screw 76 that realize synchronous rotation may also drive the first nut 75 and the second nut 78 to move relatively close to each other, so that the first clamping hand 74 and the second clamping hand 77 perform clamping operation.

As shown in fig. 7, preferably, the clamping assembly 70 is further provided with a clamping rail 65 and a plurality of clamping sliders 66, wherein the clamping rail 65 is fixedly connected to the clamping bracket 71, the plurality of clamping sliders 66 are fixedly connected to the first clamping hand 74 and the second clamping hand 77 respectively, and the clamping rail 65 and the clamping sliders 66 cooperate with each other to form a linear motion system.

Specifically, in order to improve the lateral movement stability of the first grip 74 and the second grip 77, a linear guide module may be provided, and the smoothness of movement may be improved by the cooperation of the grip guide 65 and the grip slider 66.

As shown in fig. 6 and 7, the cantilever assembly 60 is preferably provided with a cantilever bracket 61, a cantilever guide rail 62, a cantilever sliding block 63 and a cantilever driving member 64, wherein the cantilever bracket 61 is fixedly connected to the test rack 10, the cantilever guide rail 62 is fixedly connected to the cantilever bracket 61, the cantilever sliding block 63 is fixedly connected to a clamping bracket 71 and is matched with the cantilever guide rail 62 to form a linear motion system, and the driving end of the cantilever driving member 64 is in driving connection with the clamping bracket 71 so as to drive the clamping bracket 71 to perform linear motion along the cantilever guide rail 62.

Specifically, in order to prevent the first gripper 74 and the second gripper 77 from blocking the conveying of the product 80 to be tested, it is preferable to provide two sets of cantilever supports 61, and to slidingly connect two ends of the gripper support 71 to the two sets of cantilever supports 61, and then to operate the cantilever driving member 64, so as to drive the whole gripper assembly 70 to move along the cantilever supports 61, so that the first gripper 74 and the second gripper 77 move out of the conveying path of the product 80 to be tested. The cantilever driving member 64 is preferably configured by a rodless cylinder, so that the cantilever driving member is mounted on the cantilever support 61 at one side of the cantilever driving member, and the driving end of the sensorless cylinder is in driving connection with the clamping support 71, so as to drive the clamping support 71 to move along the cantilever support 61.

Next, in order to facilitate the mounting of the test equipment on an automated production line, a conveying rail 11 may be provided on the test rack 10, and the product 80 to be tested may be conveyed by a conveying jig (not shown).

The specific conveying process and testing process of the testing equipment are as follows, in the initial state, in order to make the conveying path on the conveying track 11 clear, the jacking cylinder 24 drives the jacking panel 21 to move downwards, and the jacking panel is kept at the bottom initial position. The push-back driving member 33 drives the push-back panel 31 to move away from the conveying rail 11, and is held at an initial position away from the conveying rail 11. The air-tight cover 41 is moved away from the conveying rail 11 by the air-tight cylinder 44, and is held at the initial position. The clamping motor 72 drives the first clamping hand 74 and the second clamping hand 77 to move away from each other, and drives the clamping bracket 71 to move away from the conveying track 11 through the cantilever driving member 64, so as to be kept at the initial position.

When a product 80 to be tested, which is parked on the conveying jig, is conveyed on the conveying rail 11, the cantilever driving member 64 drives the clamping bracket 71 to move above the conveying rail 11, and simultaneously the clamping motor 72 operates to drive the first clamping hand 74 and the second clamping hand 77 to approach each other, so as to realize the clamping operation of the product 80 to be tested. And then the spare conveying jig continues to be conveyed backwards, so that the position below the product 80 to be tested is yielded. The jacking cylinder 24 operates to drive the jacking panel 21 to be ejected upwards, so that the jacking columns 22 on the jacking panel 21 can be supported below the product 80 to be tested.

Subsequently, the plugging cylinder 44 of the plugging assembly 40 is operated to drive the airtight cover 41 to move towards the product 80 to be tested, so that the airtight cover 41 is abutted and covered on the end face 81 to be tested of the product 80 to be tested. Meanwhile, the back pushing driving piece 33 operates to drive the back pushing panel 31 to move towards the product 80 to be tested, so that the back pushing panel 31 is abutted against the other end of the product 80 to be tested, and thus the product 80 to be tested is supported. The airtight cover 41 can be firmly buckled on the end face 81 to be tested to realize sealing operation, and then the airtight instrument 12 can perform airtight test through the test through hole 43.

After the test is completed, the airtight cover 41, the push-back panel 31 and the lift-up panel 21 are respectively retracted to the initial positions, so that the conveying path portion of the conveying track 11 is emptied from the new position, the conveying jig can be conveyed from the previous position to the position below the product 80 to be tested, the clamping motor 72 runs reversely, the first clamping hand 74 and the second clamping hand 77 are separated from each other, the product 80 to be tested is released, and the product 80 to be tested is parked on the conveying jig from the new position and conveyed to the next position. The cantilever driving member 64 then drives the clamping assembly 70 back to the initial position as well, awaiting a new test run.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (9)

1. The automatic airtight test equipment is characterized by comprising a test rack (10), an airtight instrument (12) and an opposite inserting assembly (40), wherein the test rack (10) is provided with a test platform (20) for placing a product to be tested (80), the airtight instrument (12) and the opposite inserting assembly (40) are respectively arranged on the test rack (10), the opposite inserting assembly (40) is provided with an airtight cover (41) and an opposite inserting cylinder (44), the airtight cover (41) is fixedly connected to a piston end of the opposite inserting cylinder (44), the opposite inserting cylinder (44) is enabled to operate, the airtight cover (41) is driven to move for a certain distance, one side of an opening of the airtight cover (41) is abutted to cover an end face (81) to be tested of the product to be tested (80), the airtight cover (41) is further provided with a test through hole (43), and the test through hole (43) and the airtight instrument (12) form an air path communication state through a pipeline, so that the airtight instrument (12) can conduct airtight test on the end face (81) to be tested in the airtight cover (41).

2. The automatic airtight testing equipment according to claim 1, wherein the inserting assembly (40) is further provided with an inserting support (45) and a track adjusting assembly (50), the inserting support (45) is fixedly connected to the testing machine frame (10), the track adjusting assembly (50) is provided with an adjusting screw (51), an adjusting handle (52), an adjusting nut (53) and an adjusting support (54), the adjusting screw (51) is rotatably connected to the inserting support (45), the adjusting handle (52) is fixedly connected to one end of the adjusting screw (51) so as to rotate the adjusting screw (51), the adjusting nut (53) is sleeved on the adjusting screw (51) and forms threaded transmission connection with the adjusting screw (51), and the adjusting support (54) is in transmission connection with the adjusting nut (53) and is used for installing the inserting cylinder (44).

3. An automatic airtight testing apparatus according to claim 2, wherein said track adjusting assembly (50) is further provided with an adjusting rail (57) and an adjusting slider (58) which cooperate with each other to form a rectilinear motion system, said adjusting rail (57) being fixedly connected to the opposite-insertion bracket (45), said adjusting slider (58) being fixedly connected to the adjusting bracket (54), so that the adjusting bracket (54) performs a rectilinear motion by cooperation of the adjusting slider (58) and the adjusting rail (57) with each other.

4. The automatic airtight testing equipment according to claim 1, wherein the testing platform (20) is provided with a jacking panel (21), a jacking bracket (23), a jacking cylinder (24), a jacking guide shaft (25) and a jacking bearing (26), the jacking bracket (23) is fixedly connected to the testing frame (10), the jacking bearing (26) and the jacking cylinder (24) are fixedly connected to the jacking bracket (23) respectively, one end of the jacking guide shaft (25) is fixedly connected to the jacking panel (21), the other end of the jacking guide shaft is arranged on the jacking bearing (26) in a penetrating mode, and therefore a linear motion system is formed, and a piston end of the jacking cylinder (24) is in transmission connection with the jacking panel (21).

5. The automatic airtight testing device according to claim 1, further comprising a back pushing assembly (30), wherein the back pushing assembly (30) is provided with a back pushing panel (31), a back pushing support (32), a back pushing driving piece (33), a back pushing guide shaft (34) and a back pushing bearing (35), the back pushing support (32) is fixedly connected to the testing machine frame (10), the back pushing bearing (35) and the back pushing driving piece (33) are fixedly connected to the back pushing support (32) respectively, one end of the back pushing guide shaft (34) is fixedly connected to the back pushing panel (31), the other end of the back pushing guide shaft is arranged through the back pushing bearing (35) in a penetrating mode, and therefore a linear motion system is formed, and a driving end of the back pushing driving piece (33) is connected to the back pushing panel (31) in a driving mode.

6. An automatic airtight testing apparatus according to claim 1, further comprising a cantilever assembly (60) and a clamping assembly (70), the cantilever assembly (60) being mounted to the test rack (10), the clamping assembly (70) being mounted to the driving end of the cantilever assembly (60).

7. The automatic airtight testing apparatus according to claim 6, wherein the clamping assembly (70) is provided with a clamping bracket (71), a clamping motor (72), a first screw rod (73), a first clamping hand (74), a first nut (75), a second screw rod (76), a second clamping hand (77) and a second nut (78), both ends of the clamping bracket (71) are respectively connected with the driving end of the cantilever assembly (60) in a transmission manner, the clamping motor (72) is mounted on the clamping bracket (71), the first screw rod (73) and the second screw rod (76) are respectively connected with the clamping bracket (71) in a rotation manner, one end of the first screw rod (73) is connected with an output shaft of the clamping motor (72) in a transmission manner, the other end of the first screw rod is connected with the second screw rod (76) in a transmission manner, so that the clamping motor (72) drives the first screw rod (73) to rotate synchronously with the second screw rod (76), the first clamping hand (74) is fixedly connected with the first nut (75), the first nut (75) is sleeved on the first screw rod (73) to form a threaded transmission connection, the second clamping motor (77) is fixedly connected with the second nut (78) to form a second threaded connection, and the screw directions of the screw structures of the first screw rod (73) and the second screw rod (76) are opposite to each other.

8. An automatic airtight testing apparatus according to claim 7, wherein the clamping assembly (70) is further provided with a clamping rail (65) and a plurality of clamping sliders (66), the clamping rail (65) is fixedly connected to the clamping bracket (71), the plurality of clamping sliders (66) are fixedly connected to the first clamping hand (74) and the second clamping hand (77), respectively, and the clamping rail (65) and the clamping sliders (66) are matched with each other to form a linear motion system.

9. An automatic airtight testing apparatus according to claim 7, wherein the cantilever assembly (60) is provided with a cantilever holder (61), a cantilever guide rail (62), a cantilever slider (63) and a cantilever driving member (64), the cantilever holder (61) is fixedly connected to the testing frame (10), the cantilever guide rail (62) is fixedly connected to the cantilever holder (61), the cantilever slider (63) is fixedly connected to the clamping holder (71) and cooperates with the cantilever guide rail (62) to form a linear motion system, and the driving end of the cantilever driving member (64) is in driving connection with the clamping holder (71) so as to drive the clamping holder (71) to perform linear motion along the cantilever guide rail (62).