CN215177581U - Automatic detection device for depth of piston clamp spring groove - Google Patents
Automatic detection device for depth of piston clamp spring groove Download PDFInfo
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- CN215177581U CN215177581U CN202121520821.XU CN202121520821U CN215177581U CN 215177581 U CN215177581 U CN 215177581U CN 202121520821 U CN202121520821 U CN 202121520821U CN 215177581 U CN215177581 U CN 215177581U
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Abstract
The utility model relates to an automatic checkout device of piston jump ring groove degree of depth, its characterized in that: including servo motor module, laser detector, laser detection anchor clamps, work piece mounting fixture and gas detection device, servo motor module, laser detector, laser detection anchor clamps, work piece mounting fixture and gas detection device set up on unable adjustment base, the gas detection device sets up by work piece mounting fixture, laser detector's laser detection head is connected to servo motor module's drive output, work piece mounting fixture has spacing fixed knot to be constructed, laser detector is fixed to be set up in laser detection anchor clamps, the piston jump ring groove of its laser detection head subtend work piece, the reverberation that laser detector received forms the degree of depth detected signal in laser sensor piston jump ring groove, computer processor's signal input part is connected to laser sensor's signal output part, constitute the automated inspection structure of laser formula piston jump ring groove depth degree. The automatic detection device has the characteristics and the progress of mechanical automatic detection of product quality, low labor cost and the like.
Description
Technical Field
The utility model relates to an automatic checkout device of piston jump ring groove degree of depth. Belongs to the technical field of automobile and accessory manufacturing equipment.
Background
In the prior art, a piston needs nine processing procedures from a material to a finished product. And machining the piston pin hole at the station of the fourth machining procedure to form a clamp spring groove. The clamp spring groove is a groove for placing a clamp spring as the name implies. The piston snap spring belongs to one of the fastening pieces, and plays a role in preventing the piston pin from axially moving in a snap spring groove provided with a piston pin hole. In the prior art, the clamp spring groove is occasionally poor in size in the machining process, and special detection equipment is not provided, so that the product quality is controlled by adopting manual full-size detection, and a demander is also arranged for manual detection before the final cleaning procedure. Therefore, the piston jump ring groove production of the prior art has the following problems: (1) the manual detection is easy to generate errors, and the product quality is difficult to ensure. (2) Special manual detection needs to be added, and the labor cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems of easy error generation, difficult guarantee of product quality and the need of special manual detection, high labor cost and the like in the production of the piston clamp spring groove in the prior art, and providing an automatic detection device for the depth of the piston clamp spring groove, and the automatic detection device has the substantial characteristics of the projection such as the mechanical automatic detection product quality guarantee, the special manual detection without the need of the special manual detection, the low labor cost and the like and the obvious technical progress.
The purpose of the utility model can be achieved by adopting the following technical scheme:
the utility model provides an automatic checkout device of piston jump ring groove degree of depth which structural feature lies in: the laser detection device comprises a servo motor module, a laser detector, a laser detection clamp, a workpiece fixing clamp and a gas detection device, wherein the servo motor module, the laser detector, the laser detection clamp, the workpiece fixing clamp and the gas detection device are arranged on a fixing base; the air detection device is an air blowing and drying device and is arranged beside the workpiece fixing clamp so as to blow and dry the workpiece before the workpiece is fixed; the driving output end of the servo motor module is connected with a laser detecting head of the laser detector so as to drive the laser detecting head to reach a detection position; the workpiece fixing clamp is provided with a limiting and fixing structure so as to limit and fix the workpiece; the laser detector is fixedly arranged in the laser detection clamp, a laser detection head of the laser detector faces a piston clamp spring groove of a workpiece and emits and receives reverse light to the piston clamp spring groove, reflected light received by the laser detector forms a depth detection signal of the piston clamp spring groove in the laser sensor, a signal output end of the laser sensor is connected with a signal input end of a computer processor, the computer processor judges the depth of the piston clamp spring groove, and an automatic detection structure of the depth of the laser type piston clamp spring groove is formed.
The purpose of the utility model can also be achieved by adopting the following technical scheme:
furthermore, the computer processor is composed of a PLC control system or a computer chip with a central processing unit, a memory, a plurality of I/O ports and a single chip microcomputer.
Furthermore, laser detector includes laser detecting head and right angle prism, and the laser detecting head advances to piston pin hole department under the drive of servo motor module, and the light of laser detecting head penetrates at right angle prism directly and constitutes 90 light, measures the jump ring groove of piston pin hole inner wall.
Further, the fixed base is fixed in the marble platform to the stability of reinforcing detection.
Furthermore, the laser probe adopts small-spot type reflected light to detect, a laser emitting element emits a spot, the reflected light is refracted back to a light emitting element (a laser sensor) to receive detection data, the movement of the laser probe in the piston pin hole scans a clamp spring groove on the inner wall of the piston pin hole to form a two-dimensional profile of a concave shape (the clamp spring groove), and the data is fed back to a computer processor to calculate, analyze and judge the depth of the concave shape.
Furthermore, the servo motor module drives the laser detection head to complete the movement of the laser detection head in and out of the piston pin hole, the speed of the servo motor can be controlled, and the position precision is less than or equal to 0.01 mm.
Furthermore, the servo motor module is provided with a protection shell to prevent foreign matters, dust, moisture and the like from entering the servo motor and protect the motor.
Furthermore, the depth reference of the clamp spring groove is 0.72-0.77mm, and the reference distance of the laser probe is 7 mm. The tolerance of the clamp spring groove is 0.05mm, and the detection tolerance range is +/-0.0005 mm.
The utility model has the following outstanding substantive characteristics and technical progress:
1. the utility model relates to an automatic detection device for the depth of a piston clamp spring groove, which comprises a servo motor module, a laser detector, a laser detection clamp, a workpiece fixing clamp and a gas detection device, wherein the servo motor module, the laser detector, the laser detection clamp, the workpiece fixing clamp and the gas detection device are arranged on a fixed base; the air detection device is an air blowing and drying device and is arranged beside the workpiece fixing clamp so as to blow and dry the workpiece before the workpiece is fixed; the driving output end of the servo motor module is connected with a laser detecting head of the laser detector 2 so as to drive the laser detecting head to reach a detection position; the workpiece fixing clamp is provided with a limiting and fixing structure so as to limit and fix the workpiece; the laser detector is fixedly arranged in the laser detection clamp, a laser detection head of the laser detector faces a piston clamp spring groove of a workpiece, reflected light of the laser detector is transmitted to the laser sensor to form a depth detection signal of the piston clamp spring groove, and a signal output end of the laser sensor is connected with a signal input end of the computer processor so as to judge the depth of the piston clamp spring groove through the computer processor, thereby forming the automatic detection structure of the depth of the laser type piston clamp spring groove. Therefore, the problems that errors are easily generated in manual detection, product quality is difficult to guarantee, special manual detection needs to be added, labor cost is high and the like in piston clamp spring groove production in the prior art can be solved, and the piston clamp spring groove production machine has the substantial characteristics and technical progress that product quality is guaranteed in mechanical automatic detection, special manual detection does not need to be added, labor cost is low and the like.
2. The utility model discloses an use piston jump ring groove degree of depth automatic check out test set, realize that piston jump ring groove size examines entirely, guarantee jump ring groove shipment quality, reduce the number of asking personnel, reduce the labor cost.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic view of a partial structure at a in embodiment 1 of the present invention.
Fig. 3 is a schematic structural diagram of a laser detector according to embodiment 1 of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Specific example 1:
referring to fig. 1 to 3, the automatic detection device for the depth of the piston clamp spring groove according to the embodiment includes a servo motor module 1, a laser detector 2, a laser detection fixture 3, a workpiece fixing fixture 5 and an air detection device 6, wherein the servo motor module 1, the laser detector 2, the laser detection fixture 3, the workpiece fixing fixture 5 and the air detection device 6 are arranged on a fixing base 7; the gas detection device 6 is a blowing and drying device which is arranged beside the workpiece fixing clamp 5 to blow and dry the workpiece before the workpiece is fixed; the driving output end of the servo motor module 1 is connected with a laser probe 2-1 of the laser detector 2 so as to drive the laser probe 2-1 to reach a detection position; the workpiece fixing clamp 5 is provided with a limiting and fixing structure so as to limit and fix the workpiece; the laser detector 2 is fixedly arranged in the laser detection clamp 3, a laser detection head 2-1 of the laser detector faces a piston clamp spring groove of a workpiece and emits and receives reverse light to the piston clamp spring groove, reflected light received by the laser detector 2 forms a depth detection signal of the piston clamp spring groove in a laser sensor, a signal output end of the laser sensor is connected with a signal input end of a computer processor, the depth of the piston clamp spring groove is judged by the computer processor, and an automatic detection structure of the depth of the laser piston clamp spring groove is formed.
In this embodiment:
the computer processor is composed of a PLC control system or a single-chip microcomputer chip with a central processing unit, a memory and a plurality of I/O ports. The PLC control system can adopt a PLC control system of the conventional technology, and the single-chip microcomputer chip can adopt a single-chip microcomputer chip with a central processing unit, a storage and a plurality of I/O ports of the conventional technology.
The laser detector 2 comprises a laser detection head 2-1 and a right-angle prism 2-2, the laser detection head 2-1 is driven by the servo motor module 1 to move forward to the position of the piston pin hole, light of the laser detection head 2-1 is directly emitted to the right-angle prism 2-2 to form 90-degree light, and a clamp spring groove in the inner wall of the piston pin hole is measured.
The fixed base 7 is fixedly arranged in the marble platform 8 to enhance the stability of detection.
The laser probe 2-1 adopts small light spot type reflected light to detect, a laser emitting element emits light spots, the reflected light is refracted back to a light emitting element (a laser sensor) to receive detection data, the movement of the laser probe 2-1 in the piston pin hole scans a clamp spring groove on the inner wall of the piston pin hole to form a two-dimensional contour of a concave shape (the clamp spring groove), and the data is fed back to a computer processor to calculate, analyze and judge the depth of the concave shape.
The servo motor module 1 drives the laser probe 2-1 to complete the movement of the laser probe 2-1 in and out of the piston pin hole, the servo motor can control the speed, and the position precision is less than or equal to 0.01 mm.
The servo motor module 1 comprises a servo motor and a driving circuit, and is provided with a protective shell 4 to prevent foreign matters, dust, moisture and the like from entering the servo motor and protect the motor.
The depth reference of the jump ring groove is 0.72-0.77mm, and the reference distance of the laser probe is 7 mm. The tolerance of the clamp spring groove is 0.05mm, and the detection tolerance range is +/-0.0005 mm.
The laser detection head 2-1 can adopt a laser detection head of the conventional technology, the servo motor can adopt a servo motor of the conventional structure, and the drive circuit can adopt a servo motor drive circuit of the conventional technology.
Cycle setting (including robot motion): less than or equal to 6 seconds per machine, utilization rate: 99 percent.
The automatic detection method for the depth of the jump ring groove of the piston, which is related by the embodiment, is characterized by comprising the following steps:
1) an automatic detection device for the depth of the clamp spring groove is arranged in front of a boss milling station of a piston processing production line,
2) conveying a piston workpiece to be detected to a pedestal of the automatic jump ring groove depth detection device, and positioning and placing the piston workpiece;
3) moving a laser detector of the automatic detection device for the depth of the clamp spring groove to a pin hole of a piston workpiece, and adjusting the laser detector to align to the clamp spring groove in the pin hole;
4) taking the surface plane of the pin hole as a zero point, and carrying out depth detection on the clamp spring groove by using a laser detector to form a data signal for the depth detection of the clamp spring groove;
5) transmitting a data signal of the depth detection of the jump ring groove formed in the step 4) to a computer processor for processing, comparing a processing result with a numerical value of a depth range of the jump ring groove which is pre-arranged in the computer processor, displaying OK on a computer screen when the detection data is within the range of the numerical value, and displaying NG and giving an alarm when the detection data exceeds the range of the numerical value; and laser automatic detection of the depth of the clamp spring groove is realized.
Further, the depth range of the jump ring groove pre-arranged in the processor is 0.72-0.77mm, and the aperture of the pin hole of the piston workpiece is 18 mm.
Furthermore, a right-angle prism, a laser detection head and a laser sensor are arranged in the laser detector, laser emitted by the laser detection head is refracted through the prism to form right-angle laser rays to detect the depth of the clamp spring groove, the right-angle laser rays are reflected back to the laser sensor from the clamp spring groove, and a detection signal is output by the laser sensor to a computer processor for processing.
Furthermore, before laser detection, a robot firstly places the workpiece conveyed in the previous process on a special air-blowing and moisture-drying pedestal for air blowing to prevent water drops from remaining to influence the measurement precision. And then the piston product is conveyed to a workpiece placing special clamp of the detection pedestal by a robot.
The working principle of the present embodiment is described below:
1. the automatic detection device for the depth of the jump ring groove is arranged before a boss milling process of an automatic piston machining line. Firstly, a robot places a workpiece 9 conveyed by the previous procedure on a blowing and drying pedestal, air is blown by using an air detection device 6, and water vapor of the workpiece 9 is dried to prevent water droplet residue from influencing measurement precision. Then the piston product is conveyed to the workpiece 9 of the detection pedestal by the robot and is placed in the workpiece fixing clamp 5;
2. the workpiece fixing clamp 5 is completely matched with the on-line grabbing action of the robot, and the workpiece fixing clamp 5 is provided with an annular base and four limit stop blocks so as to accurately guide the robot to place the workpiece 9 at a measuring position and have the functions of guiding and positioning. The gas detection device 6 is arranged on the annular base of the workpiece fixing clamp 5;
3. the servo motor module 1 is utilized to drive the laser probe 2-1 to complete the movement of the laser probe 2-1 in and out of the piston pin hole, the servo motor of the servo motor module 1 controls the in-and-out speed of the laser probe 2-1, and the position precision is less than or equal to 0.01 mm; the servo motor module 1 is protected by the protection shell 4 to prevent foreign matters, dust, moisture and the like from entering the servo motor;
4. the servo motor of the servo motor module 1 controls the laser detection head 2-1 to move, the laser detection head 2-1 moves forward to the position of the piston pin hole under the driving of the servo motor, and light emitted by the laser detection head 2-1 is directly emitted to the right-angle prism 2-2 to form 90-degree light so as to measure a clamp spring groove in the inner wall of the piston pin hole;
5. the laser probe 2-1 adopts small light spot type reflected light to detect, a laser emitting element emits light spots, the reflected light is refracted back to a light emitting element (a laser sensor) to receive detection data, the movement of the laser probe 2-1 in the piston pin hole scans a clamp spring groove on the inner wall of the pin hole to form a two-dimensional profile of a concave shape (the clamp spring groove), and the data is fed back to a computer to calculate, analyze and judge the depth of the concave shape;
6. the depth reference of the clamp spring groove is 0.72-0.77mm, the reference distance of 2-1 of the laser probe is 7mm, the tolerance of the clamp spring groove is 0.05mm, the detection tolerance range is +/-0.0005 mm, and the precision of the laser probe can be suitable for measuring the depth of the clamp spring groove of the piston pin hole;
7. calculating the depth of the bottom of the concave groove (the clamp spring groove) by taking a straight line plane of the processed piston pin hole as a zero point to obtain a clamp spring groove depth actual performance;
8. the touch screen can be displayed by the computer, the data after the algorithm is transmitted to the computer for judgment, the result can be displayed on the touch screen, when the range value is in the qualified range, the computer screen displays OK, and the manipulator transmits the qualified product to the next process. And displaying NG when the range value is exceeded, giving an alarm, and conveying the defective products to a defective product placing area by a robot hand.
9. In order to ensure the stability of detection, the servo motor module 1-1 is arranged on a 00-level marble base 8 to form a stable supporting structure; laser detects anchor clamps 3, work piece mounting fixture 5, gas detection device 6 and servo motor module 1 and installs on unable adjustment base 7, and unable adjustment base 7 is installed again on 00 grades of marble platform 8. The structure can reduce and eliminate the influence caused by noise, vibration and the like in the environment and the precision loss generated by the robot in the motion process, and greatly improves the precision of product detection.
Through the effect that applicant used, can cut down 1 people/line/class of jump ring inspection person of asking, will add up and reduce the person of asking after the comprehensive implementation: 21 persons. The labor cost is reduced, and the labor cost is reduced.
Claims (6)
1. The utility model provides an automatic checkout device of piston jump ring groove degree of depth which characterized in that: the laser detection device comprises a servo motor module (1), a laser detector (2), a laser detection clamp (3), a workpiece fixing clamp (5) and an air detection device (6), wherein the servo motor module (1), the laser detector (2), the laser detection clamp (3), the workpiece fixing clamp (5) and the air detection device (6) are arranged on a fixing base (7); the gas detection device (6) is a blowing and drying device and is arranged beside the workpiece fixing clamp (5) to blow and dry the workpiece before the workpiece is fixed; the driving output end of the servo motor module (1) is connected with a laser detecting head (2-1) of the laser detector (2) so as to drive the laser detecting head (2-1) to reach a detection position; the workpiece fixing clamp (5) is provided with a limiting and fixing structure so as to limit and fix the workpiece; the laser detector (2) is fixedly arranged in the laser detection clamp (3), a laser detection head (2-1) of the laser detector faces a piston clamp spring groove of a workpiece and emits and receives reverse light to the piston clamp spring groove, reflected light received by the laser detector (2) forms a depth detection signal of the piston clamp spring groove on a laser sensor, a signal output end of the laser sensor is connected with a signal input end of a computer processor, the depth of the piston clamp spring groove is judged by the computer processor, and an automatic detection structure of the depth of the laser type piston clamp spring groove is formed.
2. The automatic detection device for the depth of the clamp spring groove of the piston according to claim 1, characterized in that: the computer processor is composed of a PLC control system or a computer chip with a central processing unit, a memory, a plurality of I/O ports and a single chip microcomputer.
3. The automatic detection device for the depth of the clamp spring groove of the piston according to claim 1, characterized in that: the laser detector (2) comprises a laser detecting head (2-1) and a right-angle prism (2-2), the laser detecting head (2-1) moves forward to the position of the piston pin hole under the driving of the servo motor module (1), light of the laser detecting head (2-1) is directly emitted to the right-angle prism (2-2) to form 90-degree light, and the clamp spring groove in the inner wall of the piston pin hole is measured.
4. The automatic detection device for the depth of the clamp spring groove of the piston according to claim 1, characterized in that: the fixed base (7) is fixedly arranged in the marble platform (8) to enhance the stability of detection; the servo motor module (1) is provided with a protective shell (4) to prevent foreign matters, dust, moisture and the like from entering the servo motor and protect the motor.
5. The automatic detection device for the depth of the clamp spring groove of the piston according to claim 1, characterized in that: servo motor module (1) is equipped with protection casing (4), in order to prevent foreign matter, dust, moisture etc. to get into servo motor, the protection motor, laser detecting head (2-1) adopts the reflected light detection of little facula type, launch the facula by laser emission component, return the reflected light reflection to light emitting component again and receive the detection data, the jump ring groove of piston pin downthehole wall is scanned out in the motion of laser detecting head (2-1) in the piston pin downthehole, form the two-dimensional profile in concave jump ring groove, data feedback to computer processor calculates, the analysis and judges concave degree of depth.
6. The automatic detection device for the depth of the clamp spring groove of the piston according to claim 1, characterized in that: the servo motor module (1) is provided with a protective shell (4) to prevent foreign matters, dust, moisture and the like from entering the servo motor and protect the motor; the servo motor module (1) drives the laser probe (2-1) to complete the movement of the laser probe (2-1) in and out of the piston pin hole, the servo motor can control the speed, and the position precision is less than or equal to 0.01 mm; the depth reference of the clamp spring groove is 0.72-0.77mm, and the reference distance of the laser probe is 7 mm; the tolerance of the clamp spring groove is 0.05mm, and the detection tolerance range is +/-0.0005 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121520821.XU CN215177581U (en) | 2021-07-06 | 2021-07-06 | Automatic detection device for depth of piston clamp spring groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121520821.XU CN215177581U (en) | 2021-07-06 | 2021-07-06 | Automatic detection device for depth of piston clamp spring groove |
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| Publication Number | Publication Date |
|---|---|
| CN215177581U true CN215177581U (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121520821.XU Active CN215177581U (en) | 2021-07-06 | 2021-07-06 | Automatic detection device for depth of piston clamp spring groove |
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| Country | Link |
|---|---|
| CN (1) | CN215177581U (en) |
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2021
- 2021-07-06 CN CN202121520821.XU patent/CN215177581U/en active Active
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