Tool for detecting air tightness of water channel by using helium

Abstract

A tool for detecting the airtightness of a water channel through helium comprises a supporting table, a guide column, a movable plate, a workbench, a profiling placement base, a blocking assembly, a first pressing assembly, a second pressing assembly, a first blocking assembly, a second blocking assembly, a gas transmission head, a first driving part and a sixth driving part. One end of the guide column is installed on the top face of the supporting table, the moving plate is movably installed at the other end of the guide column, and the sixth driving part is used for driving the moving plate to move up and down. The utility model provides the tool for detecting the air tightness of the water channel by using the helium according to the content, and solves the problems that a water channel air tightness tool in the prior art can only detect one water channel every time, the detection efficiency is low, and when a workpiece to be detected is pressed and fixed, the detection efficiency is low. And defects such as indentations or recesses can be generated on the surface of the to-be-detected workpiece.

Description

Technical Field

[0001] The utility model relates to the technical field of air tightness detection of water channels of die castings, in particular to a tool for detecting air tightness of water channels with helium. Background Art

[0002] During the manufacturing process, die-cast workpieces may have various defects, such as pores, cracks, inclusions, etc. These defects will seriously affect the quality and service life of die-cast parts, especially die-cast workpieces with internal water channel structures. Therefore, it is necessary to use airtightness detection tooling to detect the airtightness of the internal water channel.

[0003] However, the water channel air tightness tooling in the prior art can only inspect one water channel at a time, resulting in low inspection efficiency. In addition, when the workpiece to be inspected is pressed and fixed, defects such as indentations or depressions may occur on the surface of the workpiece to be inspected. Utility Model Content

[0004] The utility model aims to provide a tool for detecting the air tightness of a water channel with helium, which solves the problem that the air tightness tool for a water channel in the prior art can only detect one water channel each time, the detection efficiency is low, and when the workpiece to be inspected is pressed and fixed, defects such as indentations or depressions may be generated on the surface of the workpiece to be inspected.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A tool for detecting the air tightness of a waterway with helium, comprising a support platform, a guide column, a movable plate, a workbench, a contoured placement seat, a blocking component, a first pressing component, a second pressing component, a first blocking component, a second blocking component, a gas delivery head, a first driving part and a sixth driving part;

[0007] One end of the guide column is mounted on the top surface of the support platform, the movable plate is movably mounted on the other end of the guide column, and the sixth driving part is used to drive the movable plate to move up and down;

[0008] The workbench is installed on the top surface of the support table, and the contour placement seat is installed on the top surface of the workbench. The contour placement seat is used to place the workpiece to be inspected. The contour placement seat is provided with a gas delivery hole, a gas delivery connector and a gas delivery channel. The gas delivery hole is connected to the gas delivery connector through the gas delivery channel. The gas delivery hole is used to communicate with the first water channel of the workpiece to be inspected, and the gas delivery connector is used to connect to an external helium gas source;

[0009] The blocking assembly is used to prevent the workpiece to be inspected from being crushed, the first clamping assembly is installed on the moving plate, the second clamping assembly is installed on the workbench, the first clamping assembly and the second clamping assembly are respectively used to clamp and fix the workpiece to be inspected, the first blocking assembly is used to block the end of the first water channel of the workpiece to be inspected, and the second blocking assembly is used to block the end of the second water channel of the workpiece to be inspected;

[0010] The first driving part is installed on the workbench, and the gas delivery head is installed at the output end of the first driving part. The first driving part is used to drive the gas delivery head to move left and right, and the gas delivery head is used to deliver helium to the second water channel of the workpiece to be inspected.

[0011] Further, the first pressing assembly includes a fixed seat, a moving rod, a connecting seat, a connecting block, a first pressing head, a limiting piece and an elastic member;

[0012] The fixing seat is installed on the bottom surface of the moving plate, one end of the moving rod is installed on the fixing seat so as to be movable up and down, and one end of the moving rod passes through the moving plate and protrudes from the top surface of the moving plate, and the other end of the moving rod is connected to the top of the connecting seat;

[0013] The top of the connecting block is connected to the bottom of the connecting seat, the bottom of the connecting block is connected to the first pressing head, the elastic member is sleeved on the outer circumference of the moving rod, one end of the elastic member abuts against the fixing seat, and the other end of the elastic member abuts against the connecting seat;

[0014] The limiting piece is installed at the other end of the moving rod, the limiting piece is located above the moving plate, and the limiting piece can be against the top surface of the moving plate.

[0015] Specifically, the fixing seat is provided with a first groove, the connecting seat is provided with a second groove, and two ends of the elastic member are respectively located in the first groove and the second groove.

[0016] Preferably, the second pressing assembly comprises a second pressing head, a third pressing head, a second driving part and a third driving part;

[0017] A second mounting seat is provided on the top surface of the workbench, and the second mounting seat is located on the right side of the contoured placement seat. The second driving unit and the third driving unit are respectively installed on the second mounting seat. The second clamping head is installed at the output end of the second driving unit, and the third clamping head is installed at the output end of the third driving unit.

[0018] In some embodiments, the second clamping assembly further includes a second support block and a third support block;

[0019] The second support block and the third support block are respectively installed on the top surface of the workbench, the second support block is located below the second clamping head, and the top surface of the second support block is in contact with the bottom surface of the second clamping head, and the third support block is located below the third clamping head, and the top surface of the third support block is in contact with the bottom surface of the third clamping head.

[0020] Further, the first plugging assembly includes a first plug and a fourth driving part;

[0021] A first mounting seat is provided on the top surface of the workbench, and the first mounting seat is located on the left side of the contour placement seat. The fourth driving unit and the first driving unit are respectively installed on the first mounting seat. The output end of the fourth driving unit is installed with the first plug, and the first plug is used to plug the end of the first water channel.

[0022] The second plugging assembly includes a second plug and a fifth driving part;

[0023] A third mounting seat is provided on the top surface of the workbench, and the third mounting seat is located behind the contoured placement seat. The fifth driving unit is installed on the third mounting seat, and the output end of the fifth driving unit is installed with the second plug, which is used to abut against the end of the second water channel.

[0024] Specifically, the blocking assembly includes a blocking sleeve and a blocking rod;

[0025] The blocking sleeve is installed on the top surface of the workbench, and the blocking rod is installed on the bottom surface of the moving plate, and the blocking rod is directly opposite to the inside of the blocking sleeve.

[0026] In some embodiments, the contoured placement seat is provided with a contoured positioning groove.

[0027] Furthermore, it also includes a sealing cover, and the front side of the contoured placement seat is provided with two gas supply connectors, and the sealing cover is installed on the gas supply connectors.

[0028] Compared with the prior art, one of the above technical solutions has the following beneficial effects:

[0029] Through the support platform, guide pillars, movable plate, workbench, contoured placement seat, gas delivery hole, gas delivery joint, gas delivery channel, first blocking component, second blocking component, gas delivery head, first driving part and sixth driving part; the air tightness of two waterways in the die-cast workpiece can be detected at the same time, which is convenient and quick, and is conducive to improving the detection efficiency of the tooling, and the first clamping component and the second clamping component are respectively clamped and fixed from the up and down directions and the left and right directions to prevent the workpiece from shifting during the detection process and leaking and releasing pressure, thereby ensuring the accuracy of the tooling air tightness detection, and further, through the blocking component, it can prevent the movable plate from continuously pressing down and damaging the workpiece to be inspected, such as causing various defects such as indentations and depressions. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a schematic diagram of the structure of a tool for detecting the air tightness of a water channel with helium according to one embodiment of the utility model;

[0031] Figure 2 This is a schematic structural diagram of a second clamping assembly in one embodiment of the utility model;

[0032] Figure 3 This is a schematic diagram of the structure of the gas delivery hole in one embodiment of the utility model;

[0033] Figure 4 This is a schematic structural diagram of a blocking rod in one embodiment of the utility model;

[0034] Figure 5 This is a schematic structural diagram of a first groove in one embodiment of the utility model;

[0035] Figure 6 This is a schematic diagram of the structure of the second groove of one embodiment of the utility model;

[0036] Among them: support platform 11, guide column 12, movable plate 13, workbench 2, first mounting seat 21, second mounting seat 22, third mounting seat 23, contour placement seat 3, gas delivery hole 31, gas delivery joint 32, contour positioning groove 33, blocking component 4, blocking sleeve 41, blocking rod 42, first clamping component 5, fixed seat 51, first groove 511, movable rod 52, connecting seat 53, second groove 531, connecting block 54, first clamping head 55, limiting piece 56, second clamping component 6, second clamping head 62, third clamping head 63, second driving part 64, third driving part 65, second support block 66, third support block 67, first blocking component 7, first plugging head 71, fourth driving part 72, second blocking component 8, second plugging head 81, fifth driving part 82, gas delivery head 9, first driving part 101, sealing cover 102. DETAILED DESCRIPTION

[0037] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0038] In the description of the present utility model, it is necessary to understand that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "left", "right", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside", "inner side", "outer side", "inner end", "outer end", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features, which are used to distinguish and describe the features, without distinction of order or importance. In the description of the present utility model, unless otherwise specified, "multiple" means more than two.

[0039] In one embodiment of the present invention, Figure 1-6As shown, a tool for helium gas detection of waterway air tightness comprises a support platform 11, a guide column 12, a movable plate 13, a workbench 2, a contoured placement seat 3, a blocking component 4, a first clamping component 5, a second clamping component 6, a first blocking component 7, a second blocking component 8, a gas delivery head 9, a first driving unit 101 and a sixth driving unit; one end of the guide column 12 is mounted on the top surface of the support platform 11, the movable plate 13 is movably mounted on the other end of the guide column 12, and the sixth driving unit is used to drive the movable plate 13 to move up and down; the top surface of the support platform 11 is mounted with the workbench 2, the top surface of the workbench 2 is mounted with the contoured placement seat 3, the contoured placement 3 is used to place a workpiece to be inspected, the contoured placement seat 3 is provided with a gas delivery hole 31, a gas delivery joint 32 and a gas delivery channel, the gas delivery hole 31 is connected to the gas delivery channel through the gas delivery channel The gas connector 32, the gas delivery hole 31 is used to communicate with the first water channel of the workpiece to be inspected, and the gas delivery connector 32 is used to connect to an external helium gas source; the blocking component 4 is used to prevent the workpiece to be inspected from being crushed, the first clamping component 5 is installed on the movable plate 13, and the second clamping component 6 is installed on the workbench 2, the first clamping component 5 and the second clamping component 6 are respectively used to clamp and fix the workpiece to be inspected, the first blocking component 7 is used to block the end of the first water channel of the workpiece to be inspected, and the second blocking component 8 is used to block the end of the second water channel of the workpiece to be inspected; the first driving part 101 is installed on the workbench 2, and the gas delivery head 9 is installed at the output end of the first driving part 101, the first driving part 101 is used to drive the gas delivery head 9 to move left and right, and the gas delivery head 9 is used to deliver helium to the second water channel of the workpiece to be inspected.In this embodiment, the number of the guide pillars 12 is four, and the four guide pillars 12 are respectively arranged at the four end corners of the support platform 11, the second clamping assembly 6 is installed on the top surface of the right side of the workbench 2, the sixth driving part is arranged above the movable plate 13, and the output end of the sixth driving part is connected to the top surface of the movable plate 13, the sixth driving part is a cylinder, and the interior of the workpiece to be inspected is respectively provided with a first water channel and a second water channel, and the two water channels are not connected to each other, the first driving part 101 is a cylinder, the gas delivery head 8 is connected to an external helium gas source, the gas delivery hole 31 is vertically arranged, the gas delivery connector 32 is arranged on the front side of the contoured placement seat 3, and the gas delivery hole 31 is vertically arranged. The air hole 31 is connected with the air supply joint 32 through the air supply channel inside the profiling placement seat 3. When working, the sixth driving unit drives the movable plate 13 to reset so that it is located at a high position, and then the workpiece to be inspected is placed on the profiling placement seat 3, and one end of the first water channel of the workpiece to be inspected is connected to the air supply hole 31 of the profiling placement seat 3. The output shaft of the first driving unit 101 is extended to insert the air supply head 9 into one end of the second water channel of the workpiece to be inspected, and the other end of the first water channel is blocked by the first blocking component 7, and the other end of the second water channel is blocked by the second blocking component 8. Then the sixth driving unit drives the movable plate 13 to move downward until the movable plate 13 is The limit component 4 blocks and cannot move. At this time, the first clamping component 5 has clamped and fixed the top of the workpiece to be inspected, and then the right side of the workpiece to be inspected is clamped and fixed by the second clamping component 6. After the workpiece to be inspected is fixed, two external helium gas sources respectively transport helium to the gas supply head 9 and the gas supply connector 3. The helium enters the second water channel from the gas supply head 9 and enters the first water channel from the gas supply hole 31. After the helium fills the first water channel and the second water channel, the pressure is maintained for a set time, and then the change in air pressure can be observed by an external air pressure device to determine whether the air tightness meets the requirements; the present application is through a support table 11, a guide column 12, a movable plate 13, a workbench 2, and a contoured placement seat 3 , air delivery hole 31, air delivery connector 32, air delivery channel, first blocking component 7, second blocking component 8, air delivery head 9, first driving unit 101 and sixth driving unit; the air tightness of two waterways in the die-cast workpiece can be detected simultaneously, which is convenient and quick, and is beneficial to improving the detection efficiency of the tooling, and the first clamping component 5 and the second clamping component 6 are respectively clamped and fixed from the up and down directions and the left and right directions to prevent the workpiece from shifting during the detection process and leaking and releasing pressure, thereby ensuring the accuracy of the air tightness detection of the tooling, and further, through the blocking component 4, it can prevent the moving plate 13 from being continuously pressed down to damage the workpiece to be inspected, such as causing various defects such as indentations and depressions.

[0040] like Figure 1 and Figure 4-6As shown, the first clamping assembly 5 includes a fixed seat 51, a moving rod 52, a connecting seat 53, a connecting block 54, a first clamping head 55, a limiting plate 56 and an elastic member; the fixed seat 51 is installed on the bottom surface of the moving plate 13, one end of the moving rod 52 can be installed on the fixed seat 51 movably up and down, and one end of the moving rod 52 passes through the moving plate 13 and protrudes from the top surface of the moving plate 13, and the other end of the moving rod 52 is connected to the top of the connecting seat 53; the top of the connecting block 54 is connected to the bottom of the connecting seat 53, and the bottom of the connecting block 54 is connected to the first clamping head 55, the elastic member is sleeved on the outer periphery of the moving rod 52, one end of the elastic member abuts against the fixed seat 51, and the other end of the elastic member abuts against the connecting seat 53; the limiting plate 56 is installed on the other end of the moving rod 52, the limiting plate 56 is located above the moving plate 13, and the limiting plate 56 can abut against the top surface of the moving plate 13. In the present embodiment, the number of the first clamping assemblies 5 is four, that is, when the movable plate 13 is pressed down, the top of the workpiece to be inspected is clamped by four groups of the first clamping assemblies 5 to ensure the stability of the clamping. Specifically, the fixed seat 51 is installed on the bottom surface of the movable plate 13, one end of the movable rod 52 can be moved up and down and installed inside the fixed seat 51, and one end of the movable rod 52 passes through the movable plate 13 and protrudes from the top surface of the movable plate 13, the other end of the movable rod 52 is connected to the top of the connecting seat 53, the top of the connecting block 54 is connected to the bottom of the connecting seat 53, and the bottom of the connecting block 54 is connected to the clamping 55, the first clamping head 55 is made of rubber, the elastic member is a spring, and the elastic member is sleeved on the outer periphery of the movable rod 52, one end of the elastic member abuts against the fixed seat 51, and the other end of the elastic member abuts against When the connecting seat 53 is working, the sixth driving part drives the movable plate 13 to move downward. When the first clamping head 55 contacts the top of the workpiece to be inspected, the movable rod 52 is lifted up and moves upward, and the elastic member is compressed until the movable plate 13 is blocked by the blocking component 4 and cannot continue to move downward. At this time, the elastic member is at the maximum compression, that is, the elastic force is the maximum. The workpiece to be inspected is firmly pressed by the elastic force generated by the four groups of elastic members. After the air tightness is detected, the sixth driving part drives the movable plate 13 to move upward and reset. At this time, the movable rod 52 moves downward and resets under the elastic force of the elastic member until the bottom surface of the limiting piece 56 abuts against the top surface of the movable plate 13. Then, the movable plate 52 automatically resets to its position, which is convenient and quick. Through the above-mentioned elastic structure, this embodiment can avoid the first clamping head 55 directly and rigidly pressing the workpiece to be inspected. The elastic member can play a buffering role to avoid the workpiece to be inspected from being crushed.

[0041] like Figure 5-6As shown, the fixing seat 51 is provided with a first groove 511, the connecting seat 53 is provided with a second groove 531, and the two ends of the elastic member are respectively located in the first groove 511 and the second groove 531. In this embodiment, the first groove 51 is recessed upwardly on the bottom surface of the fixing seat 51, and the second groove 531 is recessed on the top surface of the connecting seat 53, so that the two ends of the elastic member are respectively placed in the first groove 511 and the second groove 531, thereby improving the installation stability of the elastic member, and preventing it from twisting and bending, thereby ensuring the stability and reliability of its operation.

[0042] like Figure 1-2 As shown, the second clamping assembly 6 includes a second clamping head 62, a third clamping head 63, a second drive unit 64 and a third drive unit 65; the top surface of the workbench 2 is provided with a second mounting seat 22, the second mounting seat 22 is located on the right side of the profiling placement seat 3, the second drive unit 64 and the third drive unit 65 are respectively mounted on the second mounting seat 22, the output end of the second drive unit 64 is mounted with the second clamping head 62, and the output end of the third drive unit 65 is mounted with the third clamping head 63. In this embodiment, the second drive unit 64 and the third drive unit 65 are both cylinders, and the second clamping head 62 is located in front of the third clamping head 63. When working, after the workpiece to be inspected is placed on the profiling placement seat 3, the output shafts of the second drive unit 64 and the third drive unit 65 extend out, so that the second clamping head 62 and the third clamping head 63 move to the left and press on the right side of the tooling to be inspected, and cooperate with the profiling placement seat 3 to clamp and fix the workpiece to be inspected in the left and right directions, which is convenient and quick.

[0043] like Figure 1-2 As shown, the second clamping assembly 6 also includes a second support block 66 and a third support block 67; the second support block 66 and the third support block 67 are respectively installed on the top surface of the workbench 2, the second support block 66 is located below the second clamping head 62, and the top surface of the second support block 66 is in contact with the bottom surface of the second clamping head 62, the third support block 67 is located below the third clamping head 63, and the top surface of the third support block 67 is in contact with the bottom surface of the third clamping head 63. In this embodiment, the second support block 66 and the third support block 67 are respectively provided at the bottom of the second clamping head 62 and the third clamping head 63, the second support block 66 and the third support block 67 play the role of supporting and guiding, and ensure that the second clamping head 62 and the third clamping head 63 always move in the horizontal direction.

[0044] like Figure 1-2As shown, the first blocking component 7 includes a first plug 71 and a fourth driving part 72; a first mounting seat 21 is provided on the top surface of the workbench 2, the first mounting seat 21 is located on the left side of the contoured placement seat 3, the fourth driving part 72 and the first driving part 101 are respectively installed on the first mounting seat 21, the output end of the fourth driving part 72 is installed with the first plug 71, the first plug 71 is used to block the end of the first water channel; the second blocking component 8 includes a second plug 81 and a fifth driving part 82; a third mounting seat 23 is provided on the top surface of the workbench 2, the third mounting seat 23 is located behind the contoured placement seat 3, the fifth driving part 82 is installed on the third mounting seat 23, the output end of the fifth driving part 82 is installed with the second plug 81, the second plug 81 is used to resist the end of the second water channel. In this embodiment, the fourth driving part 72 and the fifth driving part 82 are both cylinders. When working, the output ends of the fourth driving part 72 and the fifth driving part 82 extend out, so that the first plug 71 moves to the right and blocks the end of the first water channel, and the second plug 81 moves forward and blocks the end of the second water channel, which is convenient and quick.

[0045] like Figure 1-2 and Figure 4 As shown, the blocking assembly 4 includes a blocking sleeve 41 and a blocking rod 42; the blocking sleeve 41 is mounted on the top surface of the workbench 2, and the blocking rod 42 is mounted on the bottom surface of the moving plate 13, and the blocking rod 42 is directly opposite to the inside of the blocking sleeve 41. In this embodiment, the number of the blocking assemblies 4 is four, specifically, the four blocking sleeves 41 are respectively mounted on the top surface of the workbench 2, and the four blocking sleeves 41 are located at the four end corners of the workbench 2, and the four blocking rods 42 are mounted on the bottom surface of the moving plate 13. When working, the sixth driving part drives the moving plate 13 to move downward, so that the four blocking rods 42 move downward until the four blocking rods 42 are respectively inserted into the bottom surfaces of the corresponding four blocking sleeves 41, and then the moving plate 13 cannot continue to move downward, thereby achieving the purpose of position limiting blocking, thereby preventing the first clamping assembly 5 from crushing the workpiece to be inspected.

[0046] like Figure 2-3 As shown, the profiling placement seat 3 is provided with a profiling positioning groove 33. In this embodiment, when the workpiece to be inspected is placed on the profiling placement seat 3, the workpiece to be inspected can be quickly positioned and placed through the profiling positioning groove 33, which is conducive to improving the placement efficiency of the workpiece to be inspected.

[0047] like Figure 1-3As shown, it also includes a sealing cover 102, and two gas delivery connectors 32 are provided on the front side of the contoured placement seat 3, and the sealing cover 102 is installed on the gas delivery connector 32. In this embodiment, the number of the gas delivery connectors 32 and the gas delivery channels are two, and each of the gas delivery connectors 32 is connected to the gas delivery hole 31 through a corresponding gas delivery channel. Two gas delivery connectors 32 and two gas delivery channels are provided, and one group can be used as a spare, and the spare gas delivery connector 32 needs to be installed with a sealing cover 102 for sealing.

[0048] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0049] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A tool for detecting the air tightness of a waterway with helium, characterized in that: It includes a support platform, a guide column, a movable plate, a workbench, a contoured placement seat, a blocking component, a first pressing component, a second pressing component, a first blocking component, a second blocking component, a gas delivery head, a first driving part and a sixth driving part; One end of the guide column is mounted on the top surface of the support platform, the movable plate is movably mounted on the other end of the guide column, and the sixth driving part is used to drive the movable plate to move up and down; The workbench is installed on the top surface of the support table, and the contour placement seat is installed on the top surface of the workbench. The contour placement seat is used to place the workpiece to be inspected. The contour placement seat is provided with a gas delivery hole, a gas delivery connector and a gas delivery channel. The gas delivery hole is connected to the gas delivery connector through the gas delivery channel. The gas delivery hole is used to communicate with the first water channel of the workpiece to be inspected, and the gas delivery connector is used to connect to an external helium gas source; The blocking assembly is used to prevent the workpiece to be inspected from being crushed, the first clamping assembly is installed on the moving plate, the second clamping assembly is installed on the workbench, the first clamping assembly and the second clamping assembly are respectively used to clamp and fix the workpiece to be inspected, the first blocking assembly is used to block the end of the first water channel of the workpiece to be inspected, and the second blocking assembly is used to block the end of the second water channel of the workpiece to be inspected; The first driving part is installed on the workbench, and the gas delivery head is installed at the output end of the first driving part. The first driving part is used to drive the gas delivery head to move left and right, and the gas delivery head is used to deliver helium to the second water channel of the workpiece to be inspected.

2. The tooling for detecting the air tightness of a water channel with helium according to claim 1, characterized in that: The first pressing assembly includes a fixed seat, a moving rod, a connecting seat, a connecting block, a first pressing head, a limiting piece and an elastic member; The fixing seat is installed on the bottom surface of the moving plate, one end of the moving rod is installed on the fixing seat so as to be movable up and down, and one end of the moving rod passes through the moving plate and protrudes from the top surface of the moving plate, and the other end of the moving rod is connected to the top of the connecting seat; The top of the connecting block is connected to the bottom of the connecting seat, the bottom of the connecting block is connected to the first pressing head, the elastic member is sleeved on the outer circumference of the moving rod, one end of the elastic member abuts against the fixing seat, and the other end of the elastic member abuts against the connecting seat; The limiting piece is installed at the other end of the moving rod, the limiting piece is located above the moving plate, and the limiting piece can be against the top surface of the moving plate.

3. The tooling for detecting the air tightness of a water channel with helium according to claim 2, characterized in that: The fixing seat is provided with a first groove, the connecting seat is provided with a second groove, and two ends of the elastic member are respectively located in the first groove and the second groove.

4. The tool for detecting air tightness of a water channel with helium according to claim 1, characterized in that: The second pressing assembly includes a second pressing head, a third pressing head, a second driving part and a third driving part; A second mounting seat is provided on the top surface of the workbench, and the second mounting seat is located on the right side of the contoured placement seat. The second driving unit and the third driving unit are respectively installed on the second mounting seat. The second clamping head is installed at the output end of the second driving unit, and the third clamping head is installed at the output end of the third driving unit.

5. The tool for detecting the air tightness of a water channel with helium according to claim 4, characterized in that: The second clamping assembly also includes a second support block and a third support block; The second support block and the third support block are respectively installed on the top surface of the workbench, the second support block is located below the second clamping head, and the top surface of the second support block is in contact with the bottom surface of the second clamping head, and the third support block is located below the third clamping head, and the top surface of the third support block is in contact with the bottom surface of the third clamping head.

6. The tool for detecting the air tightness of a water channel with helium according to claim 1, characterized in that: The first plugging assembly includes a first plug and a fourth driving part; A first mounting seat is provided on the top surface of the workbench, and the first mounting seat is located on the left side of the contour placement seat. The fourth driving unit and the first driving unit are respectively installed on the first mounting seat. The output end of the fourth driving unit is installed with the first plug, and the first plug is used to plug the end of the first water channel. The second plugging assembly includes a second plug and a fifth driving part; A third mounting seat is provided on the top surface of the workbench, and the third mounting seat is located behind the contoured placement seat. The fifth driving unit is installed on the third mounting seat, and the output end of the fifth driving unit is installed with the second plug, which is used to abut against the end of the second water channel.

7. The tool for detecting the air tightness of a water channel with helium according to claim 1, characterized in that: The blocking assembly comprises a blocking sleeve and a blocking rod; The blocking sleeve is installed on the top surface of the workbench, and the blocking rod is installed on the bottom surface of the moving plate, and the blocking rod is directly opposite to the inside of the blocking sleeve.

8. The tool for detecting the air tightness of a water channel with helium according to claim 1, characterized in that: The contour placement seat is provided with a contour positioning groove.

9. The tool for detecting the air tightness of a water channel with helium according to claim 1, characterized in that: It also includes a sealing cover. The front side of the contoured placement seat is provided with two gas delivery connectors, and the sealing cover is installed on the gas delivery connectors.

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