Welding sealing performance detection equipment

Abstract

The utility model relates to welding sealing performance detection equipment which comprises a working frame, a working table is arranged in the working frame, a carrier table, a pressing mechanism, a sealing mechanism and a helium detector are arranged on the working table, a helium pump is arranged in the working frame, and a first air pipe and a plurality of carriers are arranged in the carrier table. The first air pipe is communicated with the carriers, the pressing mechanism is connected with the helium detector, the carriers and the pressing mechanism form a first closed cavity, the sealing mechanism comprises a plurality of sealing assemblies, each sealing assembly comprises a lifting air cylinder and a sealing part, the air cylinders are fixedly installed at the bottom end of the workbench, and the sealing parts are fixedly installed at the bottom end of the workbench. The driving end of the air cylinder penetrates through the bottom of the carrier table to be connected with the sealing part, a groove for containing the bottom of the product is formed in the sealing part, and the air cylinder drives the sealing part to move upwards to contain the bottom of the product and form a second closed cavity with the lower end of the product in the carrier. The detection equipment is high in detection accuracy, and the detection efficiency of the equipment is also improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air tightness detection equipment, in particular to welding airtightness detection equipment. Background Art

[0002] The product is made up of multiple welded parts, and a sealing test device is needed to detect whether there are leaks or gaps between the multiple parts. Due to the irregular and complex structure of the product, the sealing test device in the prior art is prone to problems such as poor detection accuracy when performing sealing tests on the product, and cannot meet the requirements of high detection accuracy. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a welding sealing detection device, which not only has high detection accuracy but also improves the detection efficiency of the device.

[0004] The technical solution adopted by the utility model to solve the technical problem is: a welding sealing detection device, comprising a working frame, a working table is arranged in the working frame, a carrier table, a pressing mechanism, a sealing mechanism and a helium detector are arranged on the working table, a helium pump is arranged in the working frame, the helium pump is located below the working table, the carrier table is installed on the working table, a first air pipe for connecting with the helium pump and a plurality of carriers for fixing products are arranged in the carrier table, the first air pipe is respectively connected with a plurality of carriers, a first sealing ring is arranged in the carrier, the pressing mechanism is connected with the helium detector, the pressing mechanism is used to seal and press the product in the carrier, so that the upper end of the product in the carrier and the pressing mechanism form a first closed cavity, the sealing mechanism is located in the carrier table, and the sealing mechanism is used to seal the bottom of the carrier,

[0005] The sealing mechanism includes several sealing components, which include a lifting cylinder and a sealing part. The cylinder is fixedly installed at the bottom end of the workbench, and the driving end of the cylinder passes through the bottom of the carrier platform to be connected with the sealing part. The sealing part is located below the carrier, and a groove for accommodating the bottom of the product is provided on the sealing part. The cylinder drives the sealing part to move upward to accommodate the bottom of the product and form a second closed cavity with the lower end of the product in the carrier.

[0006] The above-mentioned welding sealing detection equipment, by setting a carrier platform, a pressing mechanism and a sealing mechanism, forms a first closed cavity between the carrier of the carrier platform and the pressing mechanism, and forms a second closed cavity between the sealing mechanism and the carrier of the carrier platform. The helium detector is connected to the vacuum pump in the prior art. The vacuum pump evacuates the first closed cavity through the helium detector, so that the product is sealed in the carrier and the pressing mechanism, and then helium is introduced into the second closed cavity through the helium pump. The helium detector performs helium detection on the first sealed cavity. If the product has welding leaks and seam leaks, helium will enter the first closed cavity from the second closed cavity, and the helium detector will feedback the detection results. Among them, the cylinder of the sealing mechanism drives the sealing part to seal the bottommost part of the irregular product, so that a second closed cavity is formed between the sealing part and the carrier. The welding sealing detection equipment not only improves the accuracy of the detection, but also improves the detection efficiency of the equipment.

[0007] In one of the embodiments, the pressing mechanism of the welding sealing detection equipment includes a support frame, a pressure plate, a horizontal driving mechanism and a lifting driving mechanism. The horizontal driving mechanism is installed on the workbench, and the horizontal driving mechanism is located on one side of the carrier platform. One end of the support frame is connected to the driving end of the horizontal driving mechanism, and the other end of the support frame is slidably matched with the workbench through a sliding assembly. The lifting driving mechanism is installed on the top of the support frame, and the driving end of the lifting driving mechanism passes through the support frame and is connected to the pressure plate. The pressure plate and the support frame are connected through a guide assembly. The horizontal driving mechanism is used to drive the support frame to drive the pressure plate to move horizontally to the top of the carrier platform, and the lifting driving mechanism is used to drive the pressure plate to move downward to seal and press the product on the carrier.

[0008] In one of the embodiments, a second air pipe for connecting to a helium detector and a plurality of contoured grooves that are sealed with a carrier are provided on a pressure plate of the welding sealing detection equipment, the second air pipe is respectively connected to the plurality of contoured grooves, a second sealing ring is provided in the contoured groove, and when the pressure plate and the carrier are pressed together, the first sealing ring and the second sealing ring are sealed and pressed together.

[0009] In one of the embodiments, the first sealing ring and the second sealing ring of the welding sealing detection equipment are silicone pads respectively.

[0010] In one embodiment, the horizontal driving mechanism of the welding sealing detection equipment is a linear module, and the lifting driving mechanism is an electric cylinder.

[0011] In one of the embodiments, the guide assembly of the welding sealing detection device includes four guide columns, the four guide columns are respectively connected to the support frame through guide sleeves, and the four guide columns are respectively fixedly connected to the pressure plate.

[0012] In one of the embodiments, an air outlet component for blowing air to the carrier platform is disposed on one side of the carrier platform of the welding sealing detection equipment, and an air suction component used in conjunction with the air outlet component is disposed on the top of the working frame.

[0013] The beneficial effects of this application are:

[0014] The present application provides a welding sealing detection device, which forms a first closed cavity between the products of multiple carriers on the carrier platform through a pressing mechanism, and forms a second closed cavity between the products of multiple carriers through a sealing mechanism. The helium detector is connected to the vacuum pump in the prior art, and the vacuum pump evacuates the first closed cavity through the helium detector, so that the product is sealed in the carrier and the pressing mechanism, and then helium is introduced into the second closed cavity through the helium pump. The helium detector performs helium detection on the first sealed cavity. If the product has welding leaks and seam leaks, helium will enter the first closed cavity from the second closed cavity, and the helium detector will feedback the detection results. Among them, the cylinder of the sealing mechanism drives the sealing part to seal the bottommost part of the irregular product, so that a second closed cavity is formed between the sealing part and the carrier. The welding sealing detection device not only improves the accuracy of the detection, but also improves the detection efficiency of the equipment.

[0015] The device also improves the sealing performance between the carrier and the pressure plate by setting silicone pads in multiple carriers and contoured grooves. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of a welding sealing detection device according to an embodiment of the present application;

[0017] Figure 2 A schematic diagram of a carrier platform of a welding sealing detection device according to an embodiment of the present application from one perspective;

[0018] Figure 3 A schematic diagram of another perspective of a carrier platform of a welding sealing detection device according to an embodiment of the present application;

[0019] Figure 4 A schematic diagram of a sealing mechanism and a carrier platform of a welding sealing detection device according to an embodiment of the present application;

[0020] Figure 5 A schematic diagram of a sealing mechanism and product of a welding sealing detection device according to an embodiment of the present application;

[0021] Figure 6 A schematic diagram of a pressing mechanism of a welding sealing detection device according to an embodiment of the present application;

[0022] Figure 7 A schematic diagram of a pressing plate of a welding sealing detection device according to an embodiment of the present application;

[0023] in:

[0024] 1. Workbench; 2. Carrier platform; 21. First air pipe; 22. Carrier; 221. First sealing ring; 3. Pressing mechanism; 31. Support frame; 32. Pressing plate; 33. Horizontal driving mechanism; 34. Lifting driving mechanism; 35. Guide assembly; 321. Second air pipe; 322. Contoured groove; 323. Second sealing ring; 351. Guide column; 352. Guide sleeve; 4. Sealing mechanism; 41. Sealing assembly; 411. Cylinder; 412. Sealing part; 5. Helium detector; 7. Air outlet assembly; 8. Air suction assembly; 9. Work frame. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0026] like Figure 1-Figure 3 As shown, an embodiment of the present application provides a welding sealing detection device, including a working frame 9, a workbench 1 is arranged in the working frame 9, a carrier platform 2, a pressing mechanism 3, a sealing mechanism 4 and a helium detector 5 are arranged on the workbench 1, a helium pump is arranged in the working frame 9, the helium pump is located below the workbench 1, the carrier platform 2 is installed on the workbench 1, a first air pipe 21 for connecting to the helium pump and a plurality of carriers 22 for fixing products are arranged in the carrier platform 2, the first air pipe 21 is respectively connected to a plurality of carriers 22, a first sealing ring 221 is arranged in the carrier 22, the pressing mechanism 3 is connected to the helium detector 5, the pressing mechanism 3 is used to seal and press the product in the carrier 22, so that the upper end of the product in the carrier 22 and the pressing mechanism 3 form a first closed cavity, the sealing mechanism 4 is located in the carrier platform 2, and the sealing mechanism 4 is used to seal the bottom of the carrier 22.

[0027] like Figure 4 and Figure 5 As shown, the sealing mechanism 4 includes a plurality of sealing components 41, and the sealing component 41 includes a lifting cylinder 411 and a sealing portion 412. The cylinder 411 is fixedly installed at the bottom end of the workbench 1, and the driving end of the cylinder 411 passes through the bottom of the carrier platform 2 and is connected to the sealing portion 412. The sealing portion 412 is located below the carrier 22, and a groove for accommodating the bottom of the product is provided on the sealing portion 412. The cylinder 411 drives the sealing portion 412 to move upward to accommodate the bottom of the product and form a second closed cavity with the lower end of the product in the carrier 22.

[0028] Specifically, six carriers 22 for fixing products are arranged on the carrier platform 2, and six contoured grooves 322 are arranged on the pressing plate 32 of the pressing mechanism 3. The six contoured grooves 322 are respectively sealed and pressed with the upper ends of the six carriers 22 to form a first closed cavity. The sealing mechanism 4 is provided with six sealing components 41, and the sealing components 41 are respectively adapted to the six carriers 22. The cylinder 411 of the sealing component 41 is installed at the bottom of the carrier platform 2, and the driving end of the cylinder 411 passes through the bottom of the carrier platform 2 and is connected to the sealing part 412. The cylinder 411 drives the sealing part 412 to move upward, so that the bottommost part of the product extends into the groove of the sealing part 412, and the sealing part 412 seals the bottom of the carrier 22, so that the sealing part 412 and the lower end of the product of the carrier 22 form a second closed cavity. Among them, the sealing part 412 includes a cylindrical base and a cylindrical sealing column. The base is fixedly connected to the sealing column. The sealing column is made of soft rubber. A groove for accommodating the bottom of the product is provided in the sealing column. The bottom of the product passes through the carrier 22 and is located outside the carrier 22. The cylinder 411 drives the base to drive the sealing column to move upward and seal with the carrier 22, so that the bottom of the product extends into the sealing column.

[0029] Equipment testing process: first, put the six products into the six carriers 22 of the carrier platform 2 in turn, and press the pressing mechanism 3 on the carrier platform 2, so that a first closed cavity is formed between the carrier 22 and the contoured groove 322, and then the cylinder 411 drives the sealing part 412 to press on the bottom end of the carrier 22, so that a second closed cavity is formed between the carrier 22 and the sealing part 412. The helium detector 5 is connected to the vacuum pump in the prior art, and the vacuum pump evacuates the first closed cavity through the helium detector 5, so that the product is sucked tightly between the first closed cavity and the second closed cavity, and then the helium pump inflates the second closed cavity through the first air pipe 21. If there is a weld leak or a seam leak in the product welding, helium will enter the first closed cavity from the product, and the helium detector 5 detects the helium and feeds back the test results.

[0030] In the above structure, by providing the carrier platform 2, the pressing mechanism 3 and the sealing mechanism 4, a first closed cavity is formed between the carrier 22 of the carrier platform 2 and the pressing mechanism 3. The cylinder 411 of the sealing mechanism 4 drives the sealing part 412 to seal the bottom end of the irregular product, so that a second closed cavity is formed between the sealing part 412 and the carrier 22. The welding sealing detection equipment not only improves the detection accuracy, but also improves the detection efficiency of the equipment.

[0031] like Figure 6As shown, in one embodiment, the pressing mechanism 3 of the welding sealing detection equipment includes a supporting frame 31, a pressing plate 32, a horizontal driving mechanism 33 and a lifting driving mechanism 34. The horizontal driving mechanism 33 is installed on the workbench 1, and the horizontal driving mechanism 33 is located on one side of the carrier platform 2. One end of the supporting frame 31 is connected to the driving end of the horizontal driving mechanism 33, and the other end of the supporting frame 31 is slidably matched with the workbench 1 through a sliding assembly. The lifting driving mechanism 34 is installed on the top of the supporting frame 31, and the driving end of the lifting driving mechanism 34 passes through the supporting frame 31 and is connected to the pressing plate 32. The pressing plate 32 is connected to the supporting frame 31 through a guide assembly 35. The horizontal driving mechanism 33 is used to drive the supporting frame 31 to drive the pressing plate 32 to move horizontally to the top of the carrier platform 2, and the lifting driving mechanism 34 is used to drive the pressing plate 32 to move downward to seal and press the product on the carrier 22.

[0032] Specifically, the pressing plate 32 and the lifting drive mechanism 34 are respectively installed on the support frame 31. The initial position of the support frame 31 is located above the side of the carrier 2. When the product is placed on the carrier 22 of the carrier 2, the horizontal drive mechanism 33 drives the support frame 31 to drive the pressing plate 32 and the lifting drive mechanism 34 to move horizontally to the top of the carrier 2. Then the lifting drive mechanism 34 drives the pressing plate 32 to move downward and press on the carrier 2, so that the 6 contour grooves 322 on the pressing plate 32 and the 6 carriers 22 of the carrier 2 are sealed and pressed respectively. The sliding assembly includes a slide groove and a slide rail. The other end of the support frame is provided with a slide groove, and the workbench 1 is provided with a slide rail. The slide groove and the slide rail are slidably matched.

[0033] This arrangement makes it easy for the staff to place the product into the carrier 22 of the carrier platform 2 , and also makes it easy to drive the pressing plate 32 to seal and close the carrier 22 .

[0034] like Figure 7 As shown, in one embodiment, a second air pipe 321 for connecting to a helium detector 5 and a plurality of contoured grooves 322 that are sealed with the carrier 22 are provided on the pressing plate 32 of the welding sealing detection equipment. The second air pipe 321 is respectively connected to the plurality of contoured grooves 322. A second sealing ring 323 is provided in the contoured groove 322. When the pressing plate 32 and the carrier 2 are pressed together, the first sealing ring 221 and the second sealing ring 323 are sealed and pressed together.

[0035] Specifically, the helium detector 5 is connected to the vacuum pump in the prior art, and the helium detector 5 is connected to the second air pipe 321 on the pressing plate 32, and the second air pipe 321 is communicated with the six contour grooves 322 respectively, and the inner ring of the contour groove 322 is provided with a second sealing ring 323. When the pressing plate 32 and the carrier platform 2 are pressed together, the six contour grooves 322 are pressed together with the six carriers 22 respectively, wherein the second sealing ring 323 in the contour groove 322 is pressed together with the first sealing ring 221 of the carrier 22 to seal the product. When the vacuum pump evacuates the contour groove 322 through the helium detector 5 and the second air pipe 321, so that the product is sealed between the carrier 22 and the contour groove 322, the helium detector 5 can perform helium detection on the first closed cavity between the carrier 22 and the contour groove 322.

[0036] This arrangement facilitates evacuating the first sealed cavity and detecting whether there is helium leakage.

[0037] like Figure 2 and Figure 7 As shown, in one embodiment, the first sealing ring 221 and the second sealing ring 323 of the welding sealing detection device are respectively silicone pads. The first sealing ring 221 and the second sealing ring 323 use silicone pads to enhance the sealing between the carrier 22 and the contoured groove 322.

[0038] like Figure 6 As shown, in one embodiment, the horizontal drive mechanism 33 of the welding sealing detection equipment is a linear module, and the lifting drive mechanism 34 is an electric cylinder. The setting of the linear module facilitates driving the support frame 31 to drive the pressing plate 32 and the electric cylinder to move horizontally. The setting of the electric cylinder facilitates driving the pressing plate 32 to move downward to press the carrier 2.

[0039] like Figure 6 As shown, in one embodiment, the guide assembly 35 of the welding sealing detection device includes four guide columns 351, and the four guide columns 351 are respectively connected to the support frame 31 through guide sleeves 352, and the four guide columns 351 are respectively fixedly connected to the pressing plate 32. One end of the four guide columns 351 is fixedly connected to the four end corners of the pressing plate 32, and the guide columns 351 are respectively connected to the supporting frame 31 through guide sleeves 352. Two adjacent guide columns 351 are connected by a fixed plate, and a limited position portion is set on the fixed plate. This setting facilitates the electric cylinder to drive the pressing plate 32 to move up and down along the supporting frame 31.

[0040] like Figure 1 As shown, in one embodiment, an air outlet assembly 7 for blowing air to the carrier platform 2 is provided on one side of the carrier platform 2 of the welding sealing detection equipment, and an air suction assembly 8 for use with the air outlet assembly 7 is provided on the top of the working frame 9.

[0041] Specifically, the air outlet assembly 7 includes a support frame and an air outlet portion, the air outlet portion is installed on the support frame, a plurality of air outlets are arranged on the air outlet portion, and the air outlet portion is connected to the air inlet device in the prior art. The air inlet device takes air into the air outlet portion, and the air outlet portion blows air to the carrier platform 2. The air suction assembly 8 includes an air suction pipe and an air suction device, and the air suction pipe is located above the carrier platform 2 and is used to suck helium in the air. When the pressure plate 32 and the carrier platform 2 are detached, in order to prevent residual helium on the carrier platform 2, the air outlet assembly 7 blows the residual helium on the carrier platform 2, and then the helium is sucked away by the air suction assembly 8. This arrangement facilitates the processing of residual helium.

[0042] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A welding seal detection device, characterized in that: The invention comprises a working frame (9), wherein a working table (1) is arranged in the working frame (9), a carrier table (2), a pressing mechanism (3), a sealing mechanism (4) and a helium detector (5) are arranged on the working table (1), a helium pump is arranged in the working frame (9), the helium pump is located below the working table (1), the carrier table (2) is installed on the working table (1), and a first air pipe (21) for connecting with the helium pump and a plurality of carriers (22) for fixing products are arranged in the carrier table (2), The first air pipe (21) is respectively connected to a plurality of carriers (22), a first sealing ring (221) is arranged in the carrier (22), the pressing mechanism (3) is connected to the helium detector (5), the pressing mechanism (3) is used to seal and press the product in the carrier (22), so that the upper end of the product in the carrier (22) and the pressing mechanism (3) form a first closed cavity, the sealing mechanism (4) is located in the carrier platform (2), and the sealing mechanism (4) is used to seal the bottom of the carrier (22), The sealing mechanism (4) comprises a plurality of sealing components (41), wherein the sealing components (41) comprise a cylinder (411) capable of lifting and lowering movement and a sealing portion (412), wherein the cylinder (411) is fixedly mounted at the bottom end of the workbench (1), wherein the driving end of the cylinder (411) passes through the bottom of the carrier platform (2) and is connected to the sealing portion (412), wherein the sealing portion (412) is located below the carrier (22), and wherein a groove for accommodating the bottom of the product is provided on the sealing portion (412), wherein the cylinder (411) drives the sealing portion (412) to move upward to accommodate the bottom of the product and to form a second closed cavity with the lower end of the product in the carrier (22).

2. The welding sealing detection equipment according to claim 1, characterized in that: The pressing mechanism (3) comprises a supporting frame (31), a pressing plate (32), a horizontal driving mechanism (33) and a lifting driving mechanism (34). The horizontal driving mechanism (33) is installed on the workbench (1). The horizontal driving mechanism (33) is located on one side of the carrier platform (2). One end of the supporting frame (31) is connected to the driving end of the horizontal driving mechanism (33). The other end of the supporting frame (31) is slidably matched with the workbench (1) through a sliding assembly. The lifting driving mechanism (34) is installed on the top of the supporting frame (31). The driving end of the lifting driving mechanism (34) passes through the supporting frame (31) and is connected to the pressing plate (32). The pressing plate (32) is connected to the supporting frame (31) through a guide assembly (35). The horizontal driving mechanism (33) is used to drive the supporting frame (31) to drive the pressing plate (32) to move horizontally to the top of the carrier platform (2). The lifting driving mechanism (34) is used to drive the pressing plate (32) to move downward to seal and press the product on the carrier (22).

3. The welding sealing detection equipment according to claim 2, characterized in that: The pressing plate (32) is provided with a second air pipe (321) for connecting to a helium detector (5) and a plurality of contoured grooves (322) that are sealed with the carrier (22); the second air pipe (321) is respectively connected to the plurality of contoured grooves (322); a second sealing ring (323) is provided in the contoured groove (322); when the pressing plate (32) and the carrier platform (2) are pressed together, the first sealing ring (221) and the second sealing ring (323) are sealed and pressed together.

4. The welding sealing detection equipment according to claim 3, characterized in that: The first sealing ring (221) and the second sealing ring (323) are respectively silicone pads.

5. The welding sealing detection equipment according to claim 2, characterized in that: The horizontal drive mechanism (33) is a linear module, and the lifting drive mechanism (34) is an electric cylinder.

6. The welding sealing detection equipment according to claim 2, characterized in that: The guide assembly (35) comprises four guide columns (351), the four guide columns (351) are respectively connected to the support frame (31) via guide sleeves (352), one end of the four guide columns (351) is respectively fixedly connected to the pressure plate (32), and one end of two adjacent guide columns (351) are fixedly connected.

7. The welding sealing detection equipment according to claim 1, characterized in that: An air outlet component (7) for blowing air onto the carrier platform (2) is disposed on one side of the carrier platform (2), and an air intake component (8) for use in conjunction with the air outlet component (7) is disposed on the top of the working frame (9).

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