CN219054170U - Projection welding product detects frock - Google Patents
Projection welding product detects frock Download PDFInfo
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- CN219054170U CN219054170U CN202320144672.4U CN202320144672U CN219054170U CN 219054170 U CN219054170 U CN 219054170U CN 202320144672 U CN202320144672 U CN 202320144672U CN 219054170 U CN219054170 U CN 219054170U
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Abstract
The utility model provides a projection welding product detection tool which is used for detecting a projection welding workpiece, and comprises a vertically arranged workpiece supporting cylinder, a sensor assembly adjacent to the workpiece supporting cylinder and an oblique sliding rail; the sensor assembly is connected with a control circuit of the workpiece supporting cylinder; the top of the cylinder rod of the workpiece supporting cylinder is provided with a workpiece placing position; when the projection welding workpiece is placed at the workpiece placing position and the cylinder rod is in the propping state, the part to be detected of the projection welding workpiece is closely adjacent to the detection part of the sensor assembly; when the detection part judges that the projection welding workpiece is qualified, the cylinder rod is retracted to enable the workpiece to be placed and displaced below the inclined slide rail, so that the projection welding workpiece at the workpiece placement position is transferred to the inclined slide rail for removal; the utility model can detect the missing welding defect of the projection welding piece and can avoid the occurrence of the welding defect problems of the missing welding, multiple welding and the like of most of projection welding pieces with simple shapes.
Description
Technical Field
The utility model relates to the technical field of tools, in particular to a projection welding product detection tool.
Background
In the prior art, the detection of the projection welding direct supply piece in the existing domestic automobile body manufacturing plate can only implement simple logarithmic leakage prevention by means of counting equipment on a projection welding machine.
However, this solution has the disadvantage that:
1. the method cannot accurately prevent leakage, and only log confirmation (log confirmation: welding touch screen welding count number/welding single piece number=single piece projection welding standard piece number) can be carried out after each batch of welding is finished, if the number is found, the batch is not required to be completely eliminated, and the labor and the effort are wasted.
2. The problems of the type and the position of the wrong nut and bolt can not be prevented.
The present utility model addresses the shortcomings of the prior art by providing a solution.
Disclosure of Invention
The utility model provides a projection welding product detection tool which can detect the missing welding defect of a projection welding part and can avoid the occurrence of the welding defect problems of the missing welding, multiple welding and the like of most of projection welding parts with simple shapes.
The utility model adopts the following technical scheme.
The utility model provides a projection welding product detects frock for detect projection welding work piece, detect the frock including the work piece support cylinder of vertical setting, still include sensor assembly, the oblique slip track adjacent with work piece support cylinder; the sensor assembly is connected with a control circuit of the workpiece supporting cylinder; the top of the cylinder rod of the workpiece supporting cylinder is provided with a workpiece placing position; when the projection welding workpiece is placed at the workpiece placing position and the cylinder rod is in the propping state, the part to be detected of the projection welding workpiece is closely adjacent to the detection part of the sensor assembly; when the detection part judges that the projection welding workpiece is qualified, the cylinder rod is retracted to enable the workpiece to be placed and displaced below the inclined sliding rail, and the projection welding workpiece at the workpiece placement position is transferred to the inclined sliding rail to be moved out.
The detection part of the sensor assembly is a laser sensor supported by a sensor bracket.
The part to be detected of the projection welding workpiece is a projection welding bolt; when the projection welding workpiece is placed on the workpiece placing position and the cylinder rod is in the propping state, the position of the projection welding bolt of the projection welding workpiece is 1-2mm away from the laser sensor, and when the laser sensor detects that the projection welding bolt exists at the position of the projection welding bolt, the detection part judges that the projection welding workpiece is qualified.
The workpiece placement position is used for fixing and supporting the projection welding workpiece and comprises a main locating pin, an auxiliary locating pin and a supporting block which are matched with the projection welding workpiece in shape; the main locating pin, the auxiliary locating pin and the supporting block are connected with the cylinder connecting plate at the top of the cylinder rod through a plurality of fasteners.
The fastener is a bolt.
When the detecting part judges that the projection welding workpiece is unqualified, the cylinder rod maintains a propping state, so that the detection procedure identifies that the projection welding workpiece at the current workpiece placement position is a workpiece in a missing welding state.
The control circuit of the workpiece supporting cylinder comprises a relay; the relay is connected with an electromagnetic valve for controlling the action of the workpiece supporting cylinder.
The lower end of the inclined sliding rail is positioned at a container for receiving the projection welding workpiece.
The projection welding workpiece is a projection welding direct supply piece in a plate for manufacturing an automobile body.
The utility model can avoid the problems of the wrong welding, the missing welding, the multiple welding and the like of most of the convex weldments.
In the utility model, the workpiece placement position is used for fixing and supporting the projection welding workpiece and comprises a main positioning pin, an auxiliary positioning pin and a supporting block which are matched with the projection welding workpiece in shape; the main locating pin, the auxiliary locating pin and the supporting block are connected with the cylinder connecting plate at the top of the cylinder rod through a plurality of fasteners, so that the workpiece placement position can be flexibly customized according to different shapes of projection welding workpieces, and the height position of the workpiece placement position when the cylinder rod is in a top extension state is changed, so that a laser sensor can directly monitor whether the projection welding bolts are normally welded or not, and the projection welding device is more flexible in application and has better compatibility.
Drawings
The utility model is described in further detail below with reference to the attached drawings and detailed description:
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram of the operation of the present utility model;
in the figure: 1-a workpiece support cylinder; 2-a sensor holder; 3-a laser sensor; 4-projection welding the workpiece; 5-a main locating pin; 6-auxiliary locating pins; 7-a cylinder connecting plate; 8-oblique sliding tracks; 9-cylinder rod; 11-projection welding the part of the workpiece to be detected.
Detailed Description
As shown in the figure, a projection welding product detection tool is used for detecting a projection welding workpiece 4, and comprises a vertically arranged workpiece supporting cylinder 1, a sensor assembly adjacent to the workpiece supporting cylinder and an inclined sliding rail 8; the sensor assembly is connected with a control circuit of the workpiece supporting cylinder; the top of the cylinder rod 9 of the workpiece supporting cylinder is provided with a workpiece placing position; when the projection welding workpiece is placed at the workpiece placement position and the cylinder rod is in the ejection state, the part 11 to be detected of the projection welding workpiece is closely adjacent to the detection part of the sensor assembly; when the detection part judges that the projection welding workpiece is qualified, the cylinder rod is retracted to enable the workpiece to be placed and displaced below the inclined sliding rail, and the projection welding workpiece at the workpiece placement position is transferred to the inclined sliding rail to be moved out.
The detection part of the sensor assembly is a laser sensor 3 supported by a sensor holder 2.
The part to be detected of the projection welding workpiece is a projection welding bolt; when the projection welding workpiece is placed on the workpiece placing position and the cylinder rod is in the propping state, the position of the projection welding bolt of the projection welding workpiece is 1-2mm away from the laser sensor, and when the laser sensor detects that the projection welding bolt exists at the position of the projection welding bolt, the detection part judges that the projection welding workpiece is qualified.
The workpiece placement position is used for fixing and supporting the projection welding workpiece and comprises a main locating pin 5, a secondary locating pin 6 and a supporting block which are matched with the projection welding workpiece in shape; the main locating pin, the auxiliary locating pin and the supporting block are connected with a cylinder connecting plate 7 at the top of the cylinder rod through a plurality of fasteners.
The fastener is a bolt.
When the detecting part judges that the projection welding workpiece is unqualified, the cylinder rod maintains a propping state, so that the detection procedure identifies that the projection welding workpiece at the current workpiece placement position is a workpiece in a missing welding state.
The control circuit of the workpiece supporting cylinder comprises a relay; the relay is connected with an electromagnetic valve for controlling the action of the workpiece supporting cylinder.
The lower end of the inclined sliding rail is positioned at a container for receiving the projection welding workpiece.
The projection welding workpiece is a projection welding direct supply piece in a plate for manufacturing an automobile body.
Examples:
in this example, a detection tool is first manufactured to fix a workpiece support cylinder (a double-guide-rod cylinder), the cylinder is fixed on the detection tool by 4M 8 bolts, two inclined slide bars are installed above the cylinder to serve as inclined detection tracks (inclined slide bars of about 75 degrees), and when the double-guide-rod cylinder is retracted, the projection weldment is guided to fall in a specified direction (the projection weldment is placed in front of the detection tool in a frame-connecting manner).
The work piece is placed and is put for making corresponding main and auxiliary locating pin and supporting shoe according to the molding of protruding weldment, and supporting shoe and main and auxiliary locating pin connect on the cylinder connecting plate, and cylinder connecting plate is in the same place by 4 bolted connection with the cylinder.
The workpiece supporting cylinder selects a double-guide-rod cylinder capable of moving up and down by a distance of 150mm and is used for ensuring that the cylinder rod can accurately execute up-down horizontal pushing and retracting.
When the projection welding workpiece is positioned at the detection position, a sensor detection bracket is additionally arranged on the side surface of the projection welding bolt which corresponds to the projection welding workpiece and is required to be detected for installing a sensor, a mounting hole on the detection bracket can be drilled according to the tolerance of phi 13mm plus or minus 0.5 so as to facilitate the sensor to pass through, the sensor passes through the mounting hole and is fastened by an M12 nut, and the sensor is adjusted to be flush with the projection welding bolt (under the condition that the projection welding workpiece is lifted in place by a cylinder) and is separated from the gap of 1-2mm of the sensor to detect the projection welding bolt.
The workpiece supporting cylinder is in a jacking state under the condition that a workpiece to be detected is not placed, and an operator places the projection welding workpiece on the main positioning pin and the auxiliary positioning pin for detection; after the corresponding nut and bolt is detected by the laser sensor, a signal is sent to the 24V relay after the delay of 1-3 seconds, the relay is electrified to obtain the signal, the signal is transmitted to the electromagnetic valve, the electromagnetic valve controls the air cylinder to make descending motion so as to drive the whole pneumatic connecting plate to descend, and the projection welding workpiece is supported by the sliding rod in the descending process of the pneumatic connecting plate and slides down into the part frame towards the lower part.
If an operator places a projection welding workpiece on a main locating pin and a secondary locating pin for detection, a laser sensor does not detect a bolt, then the sensor cannot send a signal to a 24V relay, the 24V relay cannot be electrified to transmit the signal to an electromagnetic valve under the condition that the signal is not received, the electromagnetic valve cannot control an air cylinder to do retraction motion under the condition that the signal is not received, and the whole pneumatic connecting plate cannot descend, so that the operator can identify that the projection welding workpiece is in a welding leakage state, the defect projection welding workpiece is still on a detection tool, and the operator can manually take the defect projection welding workpiece off and place the defect projection welding workpiece in a defective product box.
Claims (9)
1. A projection welding product detects frock for detect projection welding work piece, its characterized in that: the detection tool comprises a vertically arranged workpiece supporting cylinder, and further comprises a sensor assembly and an inclined slide rail which are adjacent to the workpiece supporting cylinder; the sensor assembly is connected with a control circuit of the workpiece supporting cylinder; the top of the cylinder rod of the workpiece supporting cylinder is provided with a workpiece placing position; when the projection welding workpiece is placed at the workpiece placing position and the cylinder rod is in the propping state, the part to be detected of the projection welding workpiece is closely adjacent to the detection part of the sensor assembly; when the detection part judges that the projection welding workpiece is qualified, the cylinder rod is retracted to enable the workpiece to be placed and displaced below the inclined sliding rail, and the projection welding workpiece at the workpiece placement position is transferred to the inclined sliding rail to be moved out.
2. The projection welding product detection tool according to claim 1, wherein: the detection part of the sensor assembly is a laser sensor supported by a sensor bracket.
3. The projection welding product detection tool according to claim 2, wherein: the part to be detected of the projection welding workpiece is a projection welding bolt; when the projection welding workpiece is placed on the workpiece placing position and the cylinder rod is in the propping state, the position of the projection welding bolt of the projection welding workpiece is 1-2mm away from the laser sensor, and when the laser sensor detects that the projection welding bolt exists at the position of the projection welding bolt, the detection part judges that the projection welding workpiece is qualified.
4. The projection welding product detection tool according to claim 1, wherein: the workpiece placement position is used for fixing and supporting the projection welding workpiece and comprises a main locating pin, an auxiliary locating pin and a supporting block which are matched with the projection welding workpiece in shape; the main locating pin, the auxiliary locating pin and the supporting block are connected with the cylinder connecting plate at the top of the cylinder rod through a plurality of fasteners.
5. The projection welding product detection tool as claimed in claim 4, wherein: the fastener is a bolt.
6. The projection welding product detection tool according to claim 1, wherein: when the detecting part judges that the projection welding workpiece is unqualified, the cylinder rod maintains a propping state, so that the detection procedure identifies that the projection welding workpiece at the current workpiece placement position is a workpiece in a missing welding state.
7. The projection welding product detection tool according to claim 1, wherein: the control circuit of the workpiece supporting cylinder comprises a relay; the relay is connected with an electromagnetic valve for controlling the action of the workpiece supporting cylinder.
8. The projection welding product detection tool according to claim 1, wherein: the lower end of the inclined sliding rail is positioned at a container for receiving the projection welding workpiece.
9. The projection welding product detection tool according to claim 1, wherein: the projection welding workpiece is a projection welding direct supply piece in a plate for manufacturing an automobile body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320144672.4U CN219054170U (en) | 2023-02-07 | 2023-02-07 | Projection welding product detects frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320144672.4U CN219054170U (en) | 2023-02-07 | 2023-02-07 | Projection welding product detects frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219054170U true CN219054170U (en) | 2023-05-23 |
Family
ID=86363560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320144672.4U Active CN219054170U (en) | 2023-02-07 | 2023-02-07 | Projection welding product detects frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219054170U (en) |
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2023
- 2023-02-07 CN CN202320144672.4U patent/CN219054170U/en active Active
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