CN219244897U - Water tightness detection equipment for projection welding screw - Google Patents
Water tightness detection equipment for projection welding screw Download PDFInfo
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- CN219244897U CN219244897U CN202320322274.7U CN202320322274U CN219244897U CN 219244897 U CN219244897 U CN 219244897U CN 202320322274 U CN202320322274 U CN 202320322274U CN 219244897 U CN219244897 U CN 219244897U
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- negative pressure
- projection welding
- water tightness
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Abstract
The application provides a projection welding screw's water tightness check out test set, including workstation, hold-down mechanism, negative pressure observation box, strutting arrangement and camera, hold-down mechanism sets up on the workstation, and the negative pressure observation box is located the hold-down mechanism below, and strutting arrangement sets up one side of negative pressure observation box for support the work piece, the camera setting is in the negative pressure observation box, is used for observing the state of work piece when detecting, and hold-down mechanism is used for compressing tightly the projection welding screw of work piece on the negative pressure observation box. When the method is used for detecting the water tightness of the workpiece, the workpiece is pressed and sealed on the negative pressure observation box through the pressing mechanism at the position of the projection welding screw corresponding to the workpiece to be detected, and the workpiece is of a sheet metal structure and is relatively large in area, so that the workpiece is required to be supported by the supporting device, the workpiece is kept in a balanced state during detection, then the negative pressure observation box is vacuumized, and whether the position of the projection welding screw of the workpiece is air-leaking or not is acquired through the camera, so that the water tightness of the projection welding screw of the workpiece is judged.
Description
Technical Field
The application relates to the field of water tightness detection equipment, in particular to water tightness detection equipment for projection welding screws.
Background
When the automobile runs, the position is in a negative pressure state, and when the periphery of a projection welding screw on the automobile sheet metal is rainy, if welding gaps exist, rainwater can be sucked into the reinforcing plate, so that major potential safety hazards such as short circuit and burning of an electrical system are caused.
Therefore, water tightness detection is required around the projection welding screw on the automobile sheet metal.
Disclosure of Invention
The purpose of the application is to provide a water tightness detection device of projection welding screw.
In order to achieve the above object, the present application provides the following technical solutions:
the utility model provides a projection welding screw's water tightness check out test set, includes workstation, hold-down mechanism, negative pressure observation box, strutting arrangement and camera, hold-down mechanism sets up on the workstation, the negative pressure observation box is located the hold-down mechanism below, strutting arrangement sets up one side of negative pressure observation box for support the work piece, the camera setting is in the negative pressure observation box, is used for observing the state of work piece when detecting, hold-down mechanism is used for compressing tightly the projection welding screw of work piece on the negative pressure observation box.
In one possible implementation, the compressing mechanism includes a bracket, a rapid compressor and a solvent injection tube, the rapid compressor is mounted on the bracket, the solvent injection tube is disposed at a compressing end of the rapid compressor, and the rapid compressor can drive the solvent injection tube to do lifting motion.
In one possible implementation, the side surface of the solvent injection pipe is provided with an injection port, and the bottom of the solvent injection pipe is provided with a first sealing gasket.
In one possible implementation, the solvent injection tube is a transparent structure.
In one possible implementation manner, the negative pressure observation box comprises a box body, a box cover, a quick locking clamp and a vacuumizing device, wherein the box cover is locked on the box body through the quick locking clamp, the vacuumizing device is arranged at the bottom of the box body and is communicated with the box body, vacuumizing can be carried out in the box body, a connecting seat communicated with the interior of the box body is further arranged on the upper surface of the box cover, and the connecting seat can be connected with the pressing mechanism through a second sealing gasket.
In one possible implementation, the case and the cover are transparent structures.
In one possible implementation manner, the supporting device comprises a supporting seat, a supporting rod and a supporting spring, wherein the supporting rod is installed on the supporting seat and can do lifting motion on the supporting seat, and the supporting spring is sleeved on the supporting rod.
In one possible implementation manner, the upper end of the supporting rod is provided with a supporting head, and the upper end of the supporting head is a circular arc end.
In one possible implementation, the support head is a flexible structure.
The beneficial effects of this application are:
when the method is used for detecting the water tightness of the workpiece, the workpiece is pressed and sealed on the negative pressure observation box through the pressing mechanism at the position of the projection welding screw corresponding to the workpiece to be detected, and the workpiece is of a sheet metal structure and is relatively large in area, so that the workpiece is required to be supported by the supporting device, the workpiece is kept in a balanced state during detection, then the negative pressure observation box is vacuumized, and whether the position of the projection welding screw of the workpiece is air-leaking or not is acquired through the camera, so that the water tightness of the projection welding screw of the workpiece is judged.
Drawings
FIG. 1 is a schematic view of a workpiece according to an embodiment of the present disclosure;
FIG. 2 is a schematic perspective view of a water tightness detecting apparatus for projection welding screws according to an embodiment of the present application;
FIG. 3 is a top view of a projection welding screw water tightness detection apparatus according to one embodiment of the present application;
FIG. 4 is a cross-sectional view of FIG. 3 at A-A;
reference numerals illustrate:
1. a work table; 2. a compressing mechanism; 3. a negative pressure observation box; 4. a support device; 5. a camera;
21. a bracket; 22. a rapid compactor; 23. a solvent injection tube; 24. an injection port; 25. a first gasket;
31. a case; 32. a case cover; 33. a clamp is quickly locked; 34. a vacuum pumping device; 35. a second gasket;
41. a support base; 42. a support rod; 43. a support spring; 44. a support head;
Detailed Description
The terminology used in the description of the embodiments of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application, as will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the water tightness detection device for the projection welding screw on the workpiece sheet metal C of the embodiment can simulate a negative pressure state generated when an automobile runs, a welding seam of the screw B is positioned in a negative pressure observation box 3 in a negative pressure environment of-6 kbar through a pressing mechanism 2, a solvent capable of foaming is injected into the other side of the screw, pressure is maintained for a certain time, and a video signal is transmitted to a display 6 through a camera 5 integrated in the negative pressure observation box 3 to observe whether water bubbles are generated or not so as to verify that water permeates to the other side through the welding seam.
As shown in fig. 2, the water tightness detection device for the projection welding screw comprises a workbench 1, a pressing mechanism 2, a negative pressure observation box 3, a supporting device 4 and a camera 5, wherein the pressing mechanism 2 is arranged on the workbench 1, the negative pressure observation box 3 is positioned below the pressing mechanism 2, the supporting device 4 is arranged on one side of the negative pressure observation box 3 and used for supporting a workpiece, the camera 5 is arranged in the negative pressure observation box 3 and used for observing the state of the workpiece during detection, and the pressing mechanism 2 is used for pressing the projection welding screw of the workpiece on the negative pressure observation box 3. When the application detects the water tightness of the workpiece, the workpiece is pressed and sealed on the negative pressure observation box 3 through the pressing mechanism 2 corresponding to the projection welding screw to be detected, and the workpiece is of a sheet metal structure and has a large area, so that the workpiece is supported by the supporting device 4, the workpiece is kept in a balanced state during detection, then the negative pressure observation box 3 starts vacuumizing, and whether the projection welding screw of the workpiece is in air leakage or not is acquired through the camera 5, so that the water tightness of the projection welding screw of the workpiece is judged.
In the embodiment, the negative pressure box is formed by bonding thick-wall transparent acrylic plates, the highest negative pressure of-100 mbar can be born, the electric appliance control system uses Siemens PLC to control the action sequence of each part of the equipment, the pressure maintaining time can be accurately controlled, and the pressure value in the negative pressure box is kept constant when the set negative pressure value is reached.
As shown in fig. 4, in the present embodiment, the compressing mechanism 2 includes a bracket 21, a rapid compressor 22 and a solvent injection tube 23, the rapid compressor 22 is mounted on the bracket 21, the solvent injection tube 23 is disposed at a compressing end of the rapid compressor 22, and the rapid compressor 22 can drive the solvent injection tube 23 to move up and down.
As shown in fig. 4, in this embodiment, an injection port 24 is provided on a side surface of a solvent injection tube 23, a first sealing pad 25 is provided at a bottom of the solvent injection tube 23, the injection port 24 is provided to facilitate injection of liquid, the injected liquid falls into a welding position of a projection welding screw of a workpiece, after the equipment starts to work, whether bubbles are generated at the welding position of the workpiece is obtained through a camera 5, if bubbles are generated at the welding position, the workpiece is unqualified, and if the position is dry and no bubbles are generated, the workpiece is qualified.
As shown in fig. 4, in the present embodiment, the solvent injection pipe 23 has a transparent structure, and the transparent solvent injection pipe 23 is provided for the convenience of the camera 5 and observing the welding position of the workpiece.
As shown in fig. 4, in this embodiment, the negative pressure observation box 3 includes a box body 31, a box cover 32, a quick locking clamp 33 and a vacuumizing device 34, the box cover 32 is locked on the box body 31 by the quick locking clamp 33, the vacuumizing device 34 is arranged at the bottom of the box body 31, the vacuumizing device 34 is communicated with the box body 31, the box body 31 can be vacuumized, a connecting seat communicated with the interior of the box body 31 is further arranged on the upper surface of the box cover 32, and the connecting seat can be connected with the pressing mechanism 2 by a second sealing gasket 35.
The vacuumizing device is a vacuumizing pump.
As shown in fig. 4, in this embodiment, the case 31 and the case cover 32 are both transparent structures.
As shown in fig. 4, in the present embodiment, the supporting device 4 includes a supporting seat 41, a supporting rod 42, and a supporting spring 43, wherein the supporting rod 42 is mounted on the supporting seat 41 and can perform lifting movement on the supporting seat 41, and the supporting spring 43 is sleeved on the supporting rod 42.
As shown in fig. 4, in the present embodiment, the upper end of the support rod 42 is provided with a support head 44, and the upper end of the support head 44 is a circular arc end.
In this embodiment, the support head 44 is of flexible construction so as to prevent top damage to the workpiece.
In the description of the embodiments of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, indirectly connected through an intermediary, or may be in communication with each other between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to the specific circumstances.
The embodiments or implications herein must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the embodiments herein. In the description of the embodiments of the present application, the meaning of "a plurality" is two or more, unless specifically stated otherwise.
The terms first, second, third, fourth and the like in the description and in the claims of embodiments of the application and in the above-described figures, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented, for example, in sequences other than those illustrated or described herein. Furthermore, the terms "may include" and "have," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing embodiments are merely illustrative of the technical solutions of the embodiments of the present application, and are not limiting thereof. Although embodiments of the present application have been described in detail with reference to the foregoing embodiments, it will be appreciated by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments may be modified or some or all of the technical features may be replaced with equivalents. Such modifications and substitutions do not depart from the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.
Claims (9)
1. A water tightness detection device for projection welding screws is characterized in that: including workstation, hold-down mechanism, negative pressure observation box, strutting arrangement and camera, hold-down mechanism sets up on the workstation, the negative pressure observation box is located the hold-down mechanism below, strutting arrangement sets up one side of negative pressure observation box for support the work piece, the camera setting is in the negative pressure observation box for observe the state of work piece when detecting, hold-down mechanism is used for compressing tightly the projection welding screw of work piece on the negative pressure observation box.
2. The apparatus for water tightness detection of projection welding screws according to claim 1, wherein: the compressing mechanism comprises a bracket, a rapid compressor and a solvent injection pipe, wherein the rapid compressor is arranged on the bracket, the solvent injection pipe is arranged at the compressing end of the rapid compressor, and the rapid compressor can drive the solvent injection pipe to do lifting motion.
3. The water tightness detecting apparatus for projection welding screws according to claim 2, wherein: the side of solvent injection pipe is provided with the filling port, the bottom of solvent injection pipe is provided with first sealed pad.
4. A projection screw water tightness testing apparatus according to claim 3, wherein: the solvent injection tube is of a transparent structure.
5. The apparatus for water tightness detection of projection welding screws according to claim 1, wherein: negative pressure observation box includes box, case lid, quick locking clamp and evacuating device, the case lid passes through quick locking clamp locking on the box, evacuating device sets up in the bottom half, evacuating device and box intercommunication can carry out the evacuation in the box, the upper surface of case lid still is provided with the connecting seat with the inside intercommunication of box, the connecting seat can be connected with hold-down mechanism through the second is sealed to fill up.
6. The apparatus for water tightness detection of projection welding screws according to claim 5, wherein: the box body and the box cover are transparent structures.
7. The apparatus for water tightness detection of projection welding screws according to claim 1, wherein: the supporting device comprises a supporting seat, a supporting rod and a supporting spring, wherein the supporting rod is arranged on the supporting seat and can do lifting motion on the supporting seat, and the supporting spring is sleeved on the supporting rod.
8. The apparatus for water tightness detection of projection welding screws according to claim 7, wherein: the upper end of the supporting rod is provided with a supporting head, and the upper end of the supporting head is an arc end.
9. The apparatus for water tightness detection of projection welding screws according to claim 8, wherein: the support head is of a flexible structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320322274.7U CN219244897U (en) | 2023-02-27 | 2023-02-27 | Water tightness detection equipment for projection welding screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320322274.7U CN219244897U (en) | 2023-02-27 | 2023-02-27 | Water tightness detection equipment for projection welding screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219244897U true CN219244897U (en) | 2023-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320322274.7U Active CN219244897U (en) | 2023-02-27 | 2023-02-27 | Water tightness detection equipment for projection welding screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219244897U (en) |
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2023
- 2023-02-27 CN CN202320322274.7U patent/CN219244897U/en active Active
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