Helium detection tool with automatic blocking function

Abstract

The utility model discloses a helium detection tool with an automatic blocking function. The helium detection tool comprises a bottom plate, supporting columns, a mounting plate, a blocking plate, a movable plate, a fixed part, a first gas transmission head, a first driving device, a fourth driving device, a fifth driving device and a sensor, one end of the supporting column is connected to the bottom plate, the other end of the supporting column is mounted on the mounting plate, the blocking plate is vertically movably mounted on the mounting plate, and the fourth driving device is used for driving the blocking plate to vertically move; the moving plate is installed on the bottom plate in a front-back moving mode and used for placing a to-be-detected workpiece, the fifth driving device is used for driving the moving plate to move front and back, and the fixing piece is used for fixing the moving plate. The helium detection tool with the automatic blocking function is provided according to the content, and solves the problems that in a helium detection tool in the prior art, a worker needs to block a plurality of blocking pieces into a plurality of gas outlets or a plurality of gas outlets one by one, so that the blocking sealing efficiency is low, and the detection efficiency is low.

Description

Technical Field

[0001] The utility model relates to the technical field of air tightness detection of die-casting workpieces, in particular to a helium detection tool with an automatic blocking function. Background Art

[0002] During the manufacturing process, die-casting workpieces may have various defects, such as pores, cracks, inclusions, etc. These defects will seriously affect the quality and service life of die-casting parts. Airtightness testing can detect these defects and repair them in time to ensure the quality and reliability of the product. People usually use helium with testing tools to perform airtightness testing on die-casting workpieces.

[0003] However, the helium inspection tooling in the prior art requires employees to plug multiple plugging pieces into multiple air outlets or multiple air outlets one by one, resulting in low plugging and sealing efficiency, thereby resulting in low inspection efficiency. Utility Model Content

[0004] The purpose of the utility model is to propose a helium inspection tool with an automatic blocking function, which solves the problem that the helium inspection tool in the prior art requires employees to block multiple blocking pieces in multiple air holes or multiple air outlets one by one, resulting in low blocking and sealing efficiency, thereby causing low detection efficiency.

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

[0006] A helium inspection tool with an automatic blocking function, comprising a base plate, a support column, a mounting plate, a blocking plate, a moving plate, a fixing part, a first gas delivery head, a first driving device, a fourth driving device, a fifth driving device and a sensor;

[0007] One end of the support column is connected to the bottom plate, and the other end of the support column is mounted on the mounting plate. The blocking plate can be mounted on the mounting plate in an up-and-down manner, and the fourth driving device is used to drive the blocking plate to move up and down;

[0008] The movable plate can be moved forward and backward and is installed on the bottom plate, the movable plate is used to place the workpiece to be inspected, the fifth driving device is used to drive the movable plate to move forward and backward, and the fixing member is used to fix the movable plate;

[0009] The first driving device is arranged on the left side of the movable plate, the first gas supply head is installed at the output end of the first driving device, the first driving device is used to drive the first gas supply head to move left and right, the first gas supply head is used to deliver helium to the workpiece to be inspected, the sensor is installed on the bottom plate, the end of the sensor can be against the movable plate, and the sensor is connected to the fourth driving device.

[0010] Furthermore, a buffer block is provided on the top surface of the blocking plate, and the buffer block can abut against the bottom surface of the mounting plate.

[0011] Specifically, it also includes a guide rod, one end of which is mounted on the mounting plate in an up-and-down movable manner, and the other end of the guide rod is connected to the blocking plate.

[0012] Preferably, it further comprises a positioning member, wherein the positioning member is mounted on the top surface of the bottom plate, and the positioning member can abut against the movable plate.

[0013] In some embodiments, the positioning member is provided with a clamping groove, and the rear side of the movable plate is provided with a clamping protrusion, and the clamping protrusion can be clamped in the clamping groove.

[0014] Further, the fixing member includes a first sliding bar, a main body and a stop bar;

[0015] The bottom of the main body is connected to the first sliding bar, the top of the main body is connected to the baffle, the main body can be attached to the front side of the movable plate, the baffle can be attached to the top surface of the movable plate, the bottom plate is provided with a first sliding groove, and the first sliding bar is slidably installed in the first sliding groove.

[0016] Specifically, the bottom plate is provided with a second slide groove, the bottom surface of the movable plate is provided with a second sliding bar, and the second sliding bar is slidably installed in the second slide groove.

[0017] Preferably, it also includes a positioning pin, and the top of the movable plate is provided with a plurality of mounting holes, the plurality of mounting holes are evenly distributed along the top surface of the movable plate, and the positioning pin is detachably mounted on the mounting hole.

[0018] In some embodiments, a second gas delivery head, a third gas delivery head, a second driving device and a third driving device are further included;

[0019] The second driving device is arranged at the rear side of the bottom plate, and the second gas delivery head is installed at the output end of the second driving device, and the second driving device is used to drive the second gas delivery head to move forward and backward, and the second gas delivery head is used to deliver helium to the workpiece to be inspected;

[0020] The third driving device is arranged above the bottom plate, and the third gas delivery head is installed at the output end of the third driving device. The third driving device is used to drive the third gas delivery head to move up and down, and the third gas delivery head is used to deliver helium to the workpiece to be inspected.

[0021] Compared with the prior art, one of the above technical solutions has the following beneficial effects:

[0022] Through the base plate, support columns, mounting plate, blocking plate, movable plate, fixing parts, first gas delivery head, first driving device, fourth driving device, fifth driving device and sensor, after the movable plate is moved into position, the blocking plate is automatically blocked through sensor feedback, and multiple air holes and outlets are blocked at one time without manual blocking one by one, which is convenient and quick, thereby achieving the effect of improving the detection efficiency of helium inspection tooling. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a structural schematic diagram of a helium inspection tooling in one embodiment of the utility model;

[0024] Figure 2 This is a schematic diagram of the structure of a moving plate and a positioning member in one embodiment of the utility model;

[0025] Figure 3 This is a schematic structural diagram of a fixing member in one embodiment of the utility model;

[0026] Among them: bottom plate 1, first slide groove 11, second slide groove 12, support column 2, mounting plate 3, blocking plate 4, buffer block 41, guide rod 42, movable plate 5, card-mounted protrusion 51, second sliding bar 52, mounting hole 53, fixing member 6, first sliding bar 61, main body 62, baffle 63, first gas delivery head 71, second gas delivery head 72, third gas delivery head 73, first drive device 81, second drive device 82, third drive device 83, fourth drive device 84, sensor 9, positioning member 10, card-mounted groove 101, positioning pin 102. DETAILED DESCRIPTION

[0027] 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.

[0028] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "left", "right", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside", "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.

[0029] In one embodiment of the present invention, Figure 1-3As shown, a helium detection tool with automatic blocking function includes a base plate 1, a support column 2, a mounting plate 3, a blocking plate 4, a movable plate 5, a fixing member 6, a first gas delivery head 71, a first driving device 81, a fourth driving device 84, a fifth driving device and a sensor 9; one end of the support column 2 is connected to the base plate 1, and the other end of the support column 2 is mounted on the mounting plate 3; the blocking plate 4 can be moved up and down and mounted on the mounting plate 3, and the fourth driving device 84 is used to drive the blocking plate 4 to move up and down; the movable plate 5 can be moved forward and backward and mounted on the base plate 1, and the movable plate 5 is used to The workpiece to be inspected is placed, the fifth driving device is used to drive the movable plate 5 to move forward and backward, and the fixing member 6 is used to fix the movable plate 5; the first driving device 81 is arranged on the left side of the movable plate 5, and the first gas supply head 71 is installed at the output end of the first driving device 81, and the first driving device 81 is used to drive the first gas supply head 71 to move left and right, and the first gas supply head 71 is used to deliver helium to the workpiece to be inspected, and the sensor 9 is installed on the bottom plate 1, and the end of the sensor 9 can be against the movable plate 5, and the sensor 9 is connected to the fourth driving device 84.In this embodiment, the sensor 9 is a touch sensor, the first driving device 81 and the fourth driving device 84 are cylinders respectively, the first driving device 81 is installed on the left side of the bottom plate 1, the output end of the first driving device 81 is installed with the first gas supply head 71, the first gas supply head 71 is connected to an external helium gas source, the fourth driving device 84 is installed on the mounting plate 3, the output end of the fourth driving device 84 is installed with the blocking plate 4, the bottom of the blocking plate 4 is provided with a blocking column and a blocking plate corresponding to the gas outlet and the gas outlet of the workpiece to be inspected. Specifically, the number of the fourth driving device 4 and the blocking plate 4 is two respectively, the fifth driving device is installed on the bottom plate 1, the fifth driving device is a motor screw structure, the moving plate 5 is installed on the screw, when working, the workpiece to be inspected is placed on the moving plate 5, the fifth driving device moves the moving plate 5 backward through the motor screw structure until the moving plate 5 touches the sensor 9, the fifth driving device stops working, and fixes the moving plate 5 with the fixing member 6 so that it cannot move, and the sensor 9 feeds back a signal to the first The fourth driving device 84 drives the blocking plate 4 to move downward until the blocking plate 4 blocks the exit hole and the exit port of the workpiece to be inspected, and then the first driving device 81 drives the first gas delivery head 71 to move rightward, and the first gas delivery head 71 is inserted into the inspection hole of the workpiece to be inspected. The external helium gas source delivers helium to the inside of the workpiece to be inspected through the first gas delivery head 71 and maintains the pressure. At this time, the change of air pressure can be observed by the air pressure equipment to determine whether the air tightness meets the requirements. After the inspection is completed, the pressure is released and the helium is discharged, so that the first gas delivery head 71 and the blocking plate 4 Reset, and remove the fixing part 6, the fifth driving device drives the workpiece to reset, so that the employee can take out the workpiece easily; the present application uses the base plate 1, the support column 2, the mounting plate 3, the blocking plate 4, the movable plate 5, the fixing part 6, the first gas supply head 71, the first driving device 81, the fourth driving device 84, the fifth driving device and the sensor 9, so that after the movable plate 5 is moved into place, the blocking plate 4 is automatically blocked through feedback from the sensor 9, and multiple air holes and outlets are blocked at one time, without the need for manual blocking one by one, which is convenient and quick, and achieves the effect of improving the detection efficiency of the helium detection tooling.

[0030] like Figure 1As shown, the top surface of the blocking plate 4 is provided with a buffer block 41, and the buffer block 41 can abut against the bottom surface of the mounting plate 3. In this embodiment, four buffer blocks 41 are respectively provided on the top surface of each blocking plate 4, and the four buffer blocks 41 are respectively located at the four end corners of the blocking plate 4. When the fourth driving device 84 drives the blocking plate 4 to move upward and reset, the buffer block 41 on the top surface of the blocking plate 4 can abut against the bottom surface of the mounting plate 3. The buffer block 41 can play a buffering role to prevent the blocking plate 4 from directly colliding with the mounting plate 3 and being damaged or displaced, thereby affecting the blocking accuracy.

[0031] like Figure 1 As shown, it also includes a guide rod 42, one end of which can be moved up and down and installed on the mounting plate 3, and the other end of the guide rod 42 is connected to the blocking plate 4. In this embodiment, two guide rods 42 are respectively connected to the top surface of each blocking plate 4, and the guide rods 42 play a guiding role. The guide rods 42 can ensure the movement accuracy of the blocking plate 4 and prevent the movement from being offset.

[0032] like Figure 1-2 As shown, it also includes a positioning member 10, which is installed on the top surface of the bottom plate 1, and the positioning member 10 can abut against the movable plate 5. In this embodiment, the positioning member 10 is an L-shaped structure. When working, the fifth driving device drives the movable plate 5 to move backward until the movable plate 5 abuts against the positioning member 10, and then the movable plate 5 moves into position and can touch the sensor 9. By setting the positioning member 10, not only can the movable plate 5 be quickly positioned, but also the movable plate 5 can be prevented from colliding with the sensor 9 and being damaged, thereby achieving the effect of increasing the service life of the sensor 9.

[0033] like Figure 1-2 As shown, the positioning member 10 is provided with a clamping groove 101, and the rear side of the movable plate 5 is provided with a clamping protrusion 51, and the clamping protrusion 51 can be clamped in the clamping groove 101. In this embodiment, the number of the clamping groove 101 and the number of the clamping protrusion 51 are two, respectively. When the movable plate 5 is blocked by the positioning member 10, the two clamping protrusions 51 are respectively clamped in the corresponding clamping groove 101, so as to prevent the movable plate 5 from vibrating or shaking in the height direction and deviating, thereby affecting the blocking accuracy of the subsequent blocking plate 4.

[0034] like Figure 1-3As shown, the fixing member 6 includes a first sliding bar 61, a main body 62 and a baffle 63; the bottom of the main body 62 is connected to the first sliding bar 61, the top of the main body 62 is connected to the baffle 63, the main body 62 can be attached to the front side of the movable plate 5, the baffle 63 can be attached to the top surface of the movable plate, the bottom plate 1 is provided with a first sliding groove 11, and the first sliding bar 61 is slidably installed in the first sliding groove 11. In this embodiment, the first slide groove 11 and the first sliding bar 61 are both T-shaped structures, and the first sliding bar 61, the main body 62 and the baffle 63 are an integrally formed structure. During operation, when the movable plate 5 moves into position, the fixing member 6 moves to the left along the length direction of the first slide groove 11 through the first sliding bar 61 until the fixing member 6 moves into position. At this time, the rear side surface of the main body 62 is attached to the front side surface of the movable plate 5, so that the movable plate 5 cannot move forward and backward, and the bottom surface of the baffle 63 is attached to the top surface of the movable plate 5, so that the movable plate 5 cannot shake up and down and be dislocated. Preferably, the positioning member 10 is arranged at the left rear of the bottom plate 1, and the fixing member 6 is arranged at the right front of the bottom plate 1, that is, the positioning member 10 and the fixing member 6 are arranged diagonally, and by positioning and fixing the two corners of the movable plate 5, it is ensured that the movable plate 5 cannot move and shake and vibrate and deviate, which is conducive to improving the accuracy of subsequent blockage and ensuring the detection accuracy of the helium inspection tooling.

[0035] like Figure 1-2 As shown, the bottom plate 1 is provided with a second slide groove 12, and the bottom surface of the movable plate 5 is provided with a second slide bar 52, and the second slide bar 52 is slidably mounted in the second slide groove 12. In this embodiment, the number of the second slide groove 12 and the second slide bar 52 are two, respectively, and the movable plate 5 can move forward and backward smoothly through the two second slide grooves 12 and the two second slide bars 52, and the second slide groove 12 also plays a guiding role, thereby ensuring the movement accuracy of the movable plate 5.

[0036] like Figure 1-2 As shown, it also includes a positioning pin 102, and the top of the movable plate 5 is provided with a plurality of mounting holes 53, and the plurality of mounting holes 53 are evenly distributed along the top surface of the movable plate 5, and the positioning pin 102 can be detachably mounted on the mounting hole 53. In this embodiment, the positioning pin 102 and the mounting hole 53 are detachably mounted using a threaded structure, and when the workpiece to be inspected is placed on the movable plate 5, the workpiece to be inspected is specifically limited and positioned by the positioning pins 102 at a plurality of corresponding positions, thereby fixing the workpiece to be inspected, and further, the positioning pin 102 can be detachably mounted on the mounting hole 53, so that the movable plate 5 can be placed with workpieces to be inspected of different shapes and structures, thereby achieving the effect of improving the versatility of the helium inspection tooling.

[0037] like Figure 1-2 As shown, it also includes a second gas delivery head 72, a third gas delivery head 73, a second drive device 82 and a third drive device 83; the second drive device 82 is arranged on the rear side of the base plate 1, and the second gas delivery head 72 is installed at the output end of the second drive device 82, and the second drive device 82 is used to drive the second gas delivery head 72 to move forward and backward, and the second gas delivery head 72 is used to deliver helium to the workpiece to be inspected; the third drive device 83 is arranged above the base plate 1, and the third gas delivery head 73 is installed at the output end of the third drive device 83, and the third drive device 83 is used to drive the third gas delivery head 73 to move up and down, and the third gas delivery head 73 is used to deliver helium to the workpiece to be inspected. In this embodiment, the second driving device 82 and the third driving device 83 are both cylinders. The second driving device 82 is installed on the rear side of the base plate 1, and the third driving device 83 is installed on the mounting plate 3. The second gas supply head 72 and the third gas supply head 73 are respectively connected to an external helium gas source. By arranging the first driving device 81, the second driving device 82, the third driving device 83, the first gas supply head 71, the second gas supply head 72 and the third gas supply head 73, the helium inspection tool can be adapted to the corresponding inspection ports from the left and right directions, the front and back directions, and the up and down directions to deliver helium, so that the helium inspection tool is suitable for different workpieces to be inspected, thereby achieving the effect of improving the versatility of the helium inspection tool.

[0038] 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.

[0039] 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 helium inspection tool with automatic blocking function, characterized in that: It includes a bottom plate, a support column, a mounting plate, a blocking plate, a moving plate, a fixing part, a first gas delivery head, a first driving device, a fourth driving device, a fifth driving device and a sensor; One end of the support column is connected to the bottom plate, and the other end of the support column is mounted on the mounting plate. The blocking plate can be mounted on the mounting plate in an up-and-down manner, and the fourth driving device is used to drive the blocking plate to move up and down; The movable plate can be moved forward and backward and is installed on the bottom plate, the movable plate is used to place the workpiece to be inspected, the fifth driving device is used to drive the movable plate to move forward and backward, and the fixing member is used to fix the movable plate; The first driving device is arranged on the left side of the movable plate, the first gas supply head is installed at the output end of the first driving device, the first driving device is used to drive the first gas supply head to move left and right, the first gas supply head is used to deliver helium to the workpiece to be inspected, the sensor is installed on the bottom plate, the end of the sensor can be against the movable plate, and the sensor is connected to the fourth driving device.

2. The helium detection tool with automatic blocking function according to claim 1, characterized in that: A buffer block is provided on the top surface of the blocking plate, and the buffer block can abut against the bottom surface of the mounting plate.

3. The helium detection tool with automatic blocking function according to claim 1, characterized in that: It also includes a guide rod, one end of which is mounted on the mounting plate and can be moved up and down, and the other end of the guide rod is connected to the blocking plate.

4. The helium detection tool with automatic blocking function according to claim 1, characterized in that: It also includes a positioning member, which is installed on the top surface of the bottom plate and can be against the movable plate.

5. The helium detection tool with automatic blocking function according to claim 4, characterized in that: The positioning piece is provided with a clamping groove, and the rear side of the movable plate is provided with a clamping protrusion, and the clamping protrusion can be clamped in the clamping groove.

6. The helium detection tool with automatic blocking function according to claim 1, characterized in that: The fixing member comprises a first sliding bar, a main body and a blocking bar; The bottom of the main body is connected to the first sliding bar, the top of the main body is connected to the baffle, the main body can be attached to the front side of the movable plate, the baffle can be attached to the top surface of the movable plate, the bottom plate is provided with a first sliding groove, and the first sliding bar is slidably installed in the first sliding groove.

7. The helium detection tool with automatic blocking function according to claim 1, characterized in that: The bottom plate is provided with a second slide groove, the bottom surface of the movable plate is provided with a second slide bar, and the second slide bar is slidably installed in the second slide groove.

8. The helium inspection tool with automatic blocking function according to claim 1, characterized in that: It also includes a positioning pin. The top of the movable plate is provided with a plurality of mounting holes. The plurality of mounting holes are evenly distributed along the top surface of the movable plate. The positioning pin can be detachably mounted on the mounting hole.

9. The helium inspection tool with automatic blocking function according to claim 1, characterized in that: It also includes a second gas delivery head, a third gas delivery head, a second drive device and a third drive device; The second driving device is arranged at the rear side of the bottom plate, and the second gas delivery head is installed at the output end of the second driving device, and the second driving device is used to drive the second gas delivery head to move forward and backward, and the second gas delivery head is used to deliver helium to the workpiece to be inspected; The third driving device is arranged above the bottom plate, and the third gas delivery head is installed at the output end of the third driving device. The third driving device is used to drive the third gas delivery head to move up and down, and the third gas delivery head is used to deliver helium to the workpiece to be inspected.

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