A device for testing the airtightness of a temperature control box.

Abstract

This utility model relates to the field of temperature control box testing technology, and discloses a device for testing the airtightness of temperature control box processing. It includes a housing, a moving mechanism installed within the housing, and a gas supply mechanism. The moving mechanism includes a moving stage; it also includes a clamping mechanism fixed to the top surface of the moving stage. The clamping mechanism includes a support block fixed to the moving stage, a support platform fixed to the support block, and a motor installed inside the support block. Two parallel sliding rails are provided on the support platform. The output end of the motor is rotatably connected to one end of a connecting rod. This utility model solves the problems of complex clamping and adjustment and low automation in the prior art by synchronously controlling the two clamping blocks through a motor-driven linkage mechanism. It achieves rapid and automatic centering clamping of the workpiece. Combined with the detachable clamping blocks, it has strong versatility and significantly improves testing efficiency.

Description

Technical Field

[0001] This utility model relates to the field of temperature control box testing technology, and in particular to a device for testing the airtightness of temperature control box processing. Background Technology

[0002] As a core component in various temperature control devices, the sealing performance of the temperature control box directly affects the stable operation of internal components and the overall lifespan of the product. Therefore, rigorous airtightness testing during the production and processing of temperature control boxes is an indispensable step to ensure product quality.

[0003] In the existing airtightness testing process, the temperature control box to be tested must first be stably fixed on the testing platform. Currently, the commonly used fixing methods are manual clamps or simple universal clamping devices. Operators need to manually adjust the position of the clamps and apply locking force to fix temperature control boxes from different batches.

[0004] However, this method, which relies on manual operation or structural fixation, has significant drawbacks. Firstly, manual clamping is inefficient, and the uniformity of clamping force and the accuracy of positioning are difficult to guarantee. Inconsistent testing conditions due to operational differences can easily affect the reliability of test results. Secondly, when different sizes or models of temperature control boxes need to be tested on the production line, existing fixtures often require cumbersome readjustments or even complete replacement. This greatly reduces the flexibility and testing efficiency of the production line, failing to meet the efficient and flexible testing requirements of modern production.

[0005] Therefore, this utility model proposes a device for detecting the airtightness of temperature control box processing to overcome the shortcomings of the prior art. Utility Model Content

[0006] In view of the problems existing in the airtightness testing device for temperature control box processing, such as the cumbersome method of fixing the temperature control box before airtightness testing, low degree of automation, and difficulty in compatibility with workpieces of different sizes leading to low testing efficiency, this utility model aims to provide an improved temperature control box processing airtightness testing device that can effectively solve the above problems.

[0007] This utility model provides a device for testing the airtightness of a temperature control box, comprising: a housing, a moving mechanism installed inside the housing, and an air supply mechanism. The moving mechanism includes an electric slide rail and a moving platform. A sliding block is provided on the electric slide rail, and the sliding block is fixedly connected to the bottom of the moving platform. A clamping mechanism is also fixed to the top surface of the moving platform.

[0008] The clamping mechanism includes a support block fixed to the movable platform, a support platform fixed to the support block, and a motor installed inside the support block. Two parallel sliding rails are provided on the support platform. The output end of the motor passes upward through the support platform and is rotatably connected to one end of a connecting rod. One end of each of the two arc-shaped rods is connected to the other end of the connecting rod. Two movable blocks are slidably connected within the two sliding rails, and each movable block is connected to the other end of one of the arc-shaped rods. Two clamping blocks are fixedly connected to the two movable blocks.

[0009] Furthermore, the motor, the connecting rod, the two arc-shaped rods, the two moving blocks, and the two clamping blocks are combined through a transmission connection, enabling the two clamping blocks to move synchronously towards or away from each other by a single power source, thereby automating the centering clamping and release of the temperature control box placed on the moving platform.

[0010] Preferably, to improve the versatility and convenience of the device, the movable block is provided with a connecting groove, and the clamping block is provided with a connecting block adapted to the connecting groove, the connecting block being slidably installed in the connecting groove; the device also includes a fixing bolt, which passes through the connecting block to detachably fix the clamping block to the movable block. This structure allows for the quick replacement of clamping blocks of different specifications to accommodate temperature control boxes of varying shapes and sizes, greatly enhancing the applicability of the equipment and reducing adjustment time caused by production line changes.

[0011] Preferably, to ensure the stability and accuracy of the moving stage during movement, the moving mechanism further includes at least one guide post fixed inside the housing, and a guide block that slides with the guide post is fixedly connected to the moving stage. The guide post provides a stable guiding reference for the linear movement of the moving stage, effectively suppressing any shaking or deflection that may occur during movement, and ensuring that the temperature control box can be accurately transported to the testing station.

[0012] Preferably, the gas delivery mechanism includes a sealing cover, which is fixed to the moving stage and covers the clamping mechanism. The sealing cover moves integrally with the moving stage and the clamped temperature control box, forming the basic part of forming a sealed detection space. This integrated design simplifies the overall structure and ensures the constant relative position between the sealing cover and the temperature control box.

[0013] Preferably, the gas delivery mechanism further includes a sealing box and a cylinder. The cylinder is fixed to the outer casing, and its output end passes through the outer casing and connects to the sealing box. When the temperature control box is delivered to its position, the cylinder, acting as an actuator, provides stable and strong downward pressure, driving the sealing box and the sealing cover to quickly press together and form a reliable seal, thus creating the necessary conditions for subsequent inflation testing.

[0014] Preferably, the gas supply mechanism further includes an air pump and a gas supply pipe, with both ends of the gas supply pipe connected to the air pump and the sealing box, respectively. The air pump serves as a pressure source, providing the required pressure of gas for airtightness testing, and the gas is precisely delivered to the sealing box through the gas supply pipe, forming a complete gas supply circuit.

[0015] Preferably, to ensure that the detection gas is applied evenly to the surface of the temperature control box, a vent plate is fixedly connected to the bottom of the sealed box, and the vent plate has several through holes. After the gas enters the sealed box through the gas supply pipe, it will be dispersed and evenly enter the interior of the sealed cover through the through holes on the vent plate, avoiding interference from excessive local pressure on the detection results and improving the accuracy of the detection.

[0016] Preferably, the connecting rod is rotatably connected to the two arc-shaped rods. This connection method is key to achieving motion conversion, ensuring that the rotational motion of the connecting rod can be smoothly converted into the oscillation of the two arc-shaped rods, thereby precisely driving the moving block to produce symmetrical linear reciprocating motion. This is the structural foundation for the reliable operation of the entire clamping mechanism.

[0017] This utility model has the following beneficial effects:

[0018] 1. This utility model solves the problem of complex adjustment and difficulty in automatically adapting to workpieces of different sizes in the prior art by setting up a clamping mechanism driven by a single motor and synchronously driving two clamping blocks to move towards or away from each other via a linkage mechanism. It achieves the technical effect of fast, stable and automatic centering clamping of workpieces, and improves the detection efficiency.

[0019] 2. This utility model solves the problem of poor versatility and inability to quickly replace clamping components to adapt to new product models caused by the integrated clamping components of existing clamping devices by setting a slidable and detachable connection structure between the moving block and the clamping block. It achieves the technical effect of quickly replacing the clamping block to match different workpieces and enhances the applicability of the device.

[0020] 3. This utility model integrates the moving mechanism for horizontal positioning, the clamping mechanism for automatic clamping, and the gas supply mechanism for sealing and inflation into an integrated linkage system, which solves the problems of scattered processes, low automation, and cumbersome operation in the existing testing process. It achieves the effect of full-process automation from workpiece positioning to testing completion, and improves the overall efficiency and reliability of testing. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of a temperature control box processing airtightness testing device proposed in this utility model;

[0022] Figure 2 This is a schematic diagram of the moving stage part of the temperature control box processing airtightness testing device proposed in this utility model;

[0023] Figure 3 This is a schematic diagram of the sealing box part of a temperature control box processing airtightness testing device proposed in this utility model;

[0024] Figure 4 This is a schematic diagram of the moving stage part of the temperature control box processing airtightness testing device proposed in this utility model;

[0025] Figure 5 This is a schematic diagram of the clamping block structure of a temperature control box processing airtightness testing device proposed in this utility model;

[0026] Figure 6 This is a schematic diagram of the internal structure of the clamping block of a temperature control box processing airtightness testing device proposed in this utility model.

[0027] Legend:

[0028] 1. Outer shell; 2. Air supply mechanism; 201. Air pump; 202. Cylinder; 203. Air supply pipe; 204. Sealing box; 205. Vent plate; 206. Sealing cover; 3. Moving mechanism; 301. Electric slide rail; 302. Guide column; 303. Sliding block; 304. Guide block; 305. Moving platform; 4. Clamping mechanism; 401. Support block; 402. Motor; 403. Support platform; 404. Sliding rail; 405. Moving block; 406. Clamping block; 407. Connecting rod; 408. Arc rod; 409. Connecting block; 410. Connecting groove; 411. Fixing bolt. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0030] Example:

[0031] Please refer to Figures 1 to 6 This utility model provides a device for detecting the airtightness of temperature control box processing, which aims to solve the problem that the existing clamping mechanism 4 has a simple structure and is inconvenient to adjust, making it difficult to be compatible with workpieces of different sizes, resulting in low detection efficiency.

[0032] like Figure 1 As shown, the temperature control box processing airtightness testing device includes a housing 1, which serves as the mounting base and protective structure for the entire device; the device also includes a moving mechanism 3 installed inside the housing 1, which is used to carry and move the temperature control box to be tested horizontally; the device also includes a gas supply mechanism 2, which is used to seal the temperature control box to be tested and fill it with gas for airtightness testing.

[0033] Specifically, such as Figure 1 and Figure 2 As shown, the moving mechanism 3 includes an electric slide rail 301 fixed inside the housing 1, and a sliding block 303 is provided on the electric slide rail 301. The sliding block 303 is fixedly connected to the bottom of the moving platform 305. In order to ensure the smoothness of movement, the moving mechanism 3 also includes at least one guide post 302 fixed inside the housing 1, and a guide block 304 that slides with the guide post 302 is correspondingly fixedly connected on the moving platform 305.

[0034] Reference Figure 1 , Figure 2 and Figure 4 The device also includes a clamping mechanism 4 fixed to the top surface of the moving platform 305; the clamping mechanism 4 includes a support block 401 fixed to the moving platform 305, a support platform 403 fixedly connected to the support block 401, and two parallel sliding rails 404 provided on the support platform 403; the clamping mechanism 4 also includes a motor 402, which is installed inside the support block 401, and the output end of the motor 402 passes upward through the support platform 403; the clamping mechanism 4 further includes a connecting rod 407, one end of which is rotatably connected to the output end of the motor 402, and one end of each of the two arc-shaped rods 408 is rotatably connected to the other end of the connecting rod 407;

[0035] The clamping mechanism 4 also includes two moving blocks 405, which are slidably connected to the two sliding rails 404 respectively, and each moving block 405 is connected to the other end of an arc-shaped rod 408. The clamping mechanism 4 also includes two clamping blocks 406, which are fixedly connected to the two moving blocks 405 respectively. When the motor 402 rotates, it drives the two arc-shaped rods 408 to rotate synchronously through the connecting rod 407. The rotation of the arc-shaped rods 408 then pushes the two moving blocks 405 to slide in a straight line in opposite directions or away from each other in the sliding rails 404. Since the clamping blocks 406 are fixedly connected to the moving blocks 405, the two clamping blocks 406 also move synchronously, thereby realizing the automatic centering clamping or loosening of the temperature control box.

[0036] Reference Figure 1 and Figure 3 The gas delivery mechanism 2 includes a sealing cover 206, which is fixed on the moving platform 305 and covers the clamping mechanism 4, and moves together with the moving platform 305.

[0037] To achieve airtightness testing of the temperature control box, this embodiment establishes a specific structural fit and operational relationship between the gas delivery mechanism 2 and the sealing cover 206 supported on the moving mechanism 3; please refer to the following for details. Figure 1 and Figure 3 The core sealing and inflation structure will be described in detail below:

[0038] The gas delivery mechanism 2 also includes a cylinder 202 fixed on the outer shell 1. The output end of the cylinder 202 passes through the outer shell 1 and is connected to the sealing box 204, thereby driving the sealing box 204 to move up and down reciprocally inside the outer shell 1. The gas delivery mechanism 2 also includes an air pump 201 and a gas delivery pipe 203. The two ends of the gas delivery pipe 203 are respectively connected to the air pump 201 and the sealing box 204, and are used to deliver detection gas into the sealing box 204. A vent plate 205 is fixedly connected to the bottom of the sealing box 204. Several through holes are opened on the vent plate 205. After the gas enters the sealing box 204, it can be discharged downward evenly through the through holes on the vent plate 205.

[0039] During testing, when the moving mechanism 3 moves the moving stage 305 and the sealing cover 206 fixed thereon to directly below the cylinder 202, the cylinder 202 is activated and pushes the sealing box 204 downward until the lower edge of the sealing box 204 is tightly pressed against the upper edge of the sealing cover 206, thereby sealing the temperature control box in a closed testing space. This pressing and sealing structure achieved through vertical movement ensures the reliable establishment of the testing environment.

[0040] Based on the above embodiments, the present invention may further include the following preferred technical solutions:

[0041] As a preferred embodiment, to facilitate replacement to accommodate workpieces of different sizes and improve the versatility of the device, please refer to... Figure 4 The movable block 405 has a connecting groove 410, and the clamping block 406 is provided with a corresponding connecting block 409 that is adapted to the connecting groove 410. The connecting block 409 is slidably installed in the connecting groove 410. The device also includes a fixing bolt 411, which passes through the connecting block 409 to detachably fix the clamping block 406 to the movable block 405.

[0042] As another preferred embodiment, to further improve the stability of the mobile station 305 during movement and prevent it from shifting or shaking, please refer to... Figure 1 The moving mechanism 3 also includes at least one guide post 302 fixed inside the housing 1, and a guide block 304 that slides with the guide post 302 is fixedly connected to the moving stage 305.

[0043] As another preferred embodiment, in order to construct the basic enclosed space for airtightness testing, please refer to... Figure 1 and Figure 3 The gas delivery mechanism 2 includes a sealing cover 206, which is fixed on the moving platform 305 and covers the clamping mechanism 4.

[0044] As another preferred embodiment, in order to achieve automatic and reliable sealing of the detection space, please refer to... Figure 1 and Figure 3 The gas delivery mechanism 2 also includes a sealing box 204 and a cylinder 202. The cylinder 202 is fixed to the outer shell 1, and the output end of the cylinder 202 passes through the outer shell 1 and is connected to the sealing box 204.

[0045] In another preferred embodiment, in order to deliver pressurized gas into the sealed detection space, the gas delivery mechanism 2 also includes a gas pump 201 and a gas delivery pipe 203, with the two ends of the gas delivery pipe 203 connected to the gas pump 201 and the sealed box 204, respectively.

[0046] In another preferred embodiment, in order to allow gas to enter the interior of the sealing cover 206 evenly, a vent plate 205 is fixedly connected to the bottom of the sealing box 204, and the vent plate 205 has several through holes.

[0047] As another preferred embodiment, in order to ensure that the power of the motor 402 can be smoothly transmitted to the arc-shaped rod 408, the connecting rod 407 is rotatably connected to the two arc-shaped rods 408.

[0048] The working principle of this novel airtightness testing device for temperature control boxes is as follows:

[0049] When an airtightness test is required, the temperature control box is first placed on the moving platform 305 of the moving mechanism 3. Then, the motor 402 in the clamping mechanism 4 is started. The output end of the motor 402 drives the connecting rod 407 to rotate. Since the connecting rod 407 is rotatably connected to two arc rods 408, the rotation of the connecting rod 407 will drive the two arc rods 408 to move synchronously. The arc rods 408 then push the moving blocks 405 connected to each other to slide towards each other in the two sliding rails 404 opened in the support platform 403. The two clamping blocks 406 fixedly connected to the moving blocks 405 then clamp the temperature control box synchronously. After clamping is completed, the electric slide rail 301 in the moving mechanism 3 is started. The electric slide rail 301 drives the sliding block 303 to move, thereby driving the moving platform 305 fixedly connected to it to move as a whole. During the movement, the guide block 304 on the moving platform 305 slides along the guide post 302 fixed in the outer shell 1, providing guidance for the smooth movement of the moving platform 305.

[0050] When the moving stage 305 moves the fixed sealing cover 206 to the preset detection position, the cylinder 202 in the gas supply mechanism 2 is activated. The output end of the cylinder 202 fixed on the outer shell 1 pushes the sealing box 204 downward through the outer shell 1 until the sealing box 204 and the sealing cover 206 are pressed together to form a sealed detection space. Subsequently, the air pump 201 is activated, and the gas is transported into the sealing box 204 through the gas supply pipe 203 and enters the sealing cover 206 through the vent plate 205 at the bottom of the sealing box 204, so as to achieve uniform pressure on the outside of the temperature control box for airtightness detection.

[0051] When it is necessary to replace the clamping block 406 to adapt to different models of temperature control boxes, first loosen the fixing bolt 411, and then slide the clamping block 406 out along the mating direction of the connecting groove 410 on its connecting block 409 and the moving block 405 to complete the disassembly; when installing a new clamping block 406, align the connecting block 409 of the new clamping block 406 with the connecting groove 410 and slide it in, and finally lock it in place with the fixing bolt 411.

[0052] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A device for detecting the airtightness of a temperature control box, comprising: Outer shell (1); The moving mechanism (3) is installed inside the housing (1). The moving mechanism (3) includes an electric slide rail (301) and a moving platform (305). The electric slide rail (301) is provided with a sliding block (303), and the sliding block (303) is fixedly connected to the bottom of the moving platform (305). Gas transmission mechanism (2); The device is characterized in that it further includes a clamping mechanism (4) fixed to the top surface of the movable stage (305), the clamping mechanism (4) comprising: A support block (401) is fixed to the movable platform (305); A support platform (403) is fixed on the support block (401), and two parallel sliding rails (404) are provided on the support platform (403). A motor (402) is installed inside the support block (401), and the output end of the motor (402) passes upward through the support platform (403). A connecting rod (407) is rotatably connected at one end to the output end of the motor (402); Two arc-shaped rods (408) are connected at one end to the other end of the connecting rod (407); Two movable blocks (405) are slidably connected to the two sliding rails (404) respectively, and each of the movable blocks (405) is connected to the other end of an arc-shaped rod (408); And two clamping blocks (406), which are fixedly connected to the two moving blocks (405) respectively.

2. The airtightness testing device for temperature control box processing according to claim 1, characterized in that, The movable block (405) is provided with a connecting groove (410), and the clamping block (406) is provided with a connecting block (409) that is adapted to the connecting groove (410). The connecting block (409) is slidably installed in the connecting groove (410). The device also includes a fixing bolt (411), which passes through the connecting block (409) to detachably fix the clamping block (406) to the movable block (405).

3. The airtightness testing device for temperature control box processing according to claim 1, characterized in that, The moving mechanism (3) also includes at least one guide post (302) fixed inside the housing (1), and a guide block (304) that slides with the guide post (302) is fixedly connected to the moving platform (305).

4. The airtightness testing device for temperature control box processing according to claim 1, characterized in that, The gas delivery mechanism (2) includes a sealing cover (206), which is fixed on the moving platform (305) and covers the clamping mechanism (4).

5. The airtightness testing device for temperature control box processing according to claim 4, characterized in that, The gas delivery mechanism (2) also includes a sealing box (204) and a cylinder (202). The cylinder (202) is fixed on the outer shell (1). The output end of the cylinder (202) passes through the outer shell (1) and is connected to the sealing box (204).

6. The airtightness testing device for temperature control box processing according to claim 5, characterized in that, The gas delivery mechanism (2) also includes an air pump (201) and an air delivery pipe (203), the two ends of which are connected to the air pump (201) and the sealing box (204) respectively.

7. The airtightness testing device for temperature control box processing according to claim 5, characterized in that, The bottom of the sealed box (204) is fixedly connected to a vent plate (205), and the vent plate (205) has several through holes.

8. The airtightness testing device for temperature control box processing according to claim 1, characterized in that, The connecting rod (407) is rotatably connected to the two arc-shaped rods (408).

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