CN111256602A - Piston ring-inlaying detection system - Google Patents

Abstract

The invention relates to the field of piston ring inlaying detection, in particular to a piston ring inlaying detection system which comprises a feeding device, a thickness detection device, an outer diameter detection device, a rotary conveying device, an inner diameter detection device, a defective product storage device and a qualified product storage device, wherein the feeding device is used for feeding a piston ring; the inner diameter detection device, the defective product storage device and the qualified product storage device are circumferentially arranged outside the rotary conveying device; the automatic feeding of the piston ring is realized through the matching of the ring-embedding temporary storage device, the active feeding device and the feeding follow-up device in the feeding device, the automation degree of the feeding process is high, the piston ring-embedding can be conveyed quantitatively, and the feeding efficiency is improved; the piston ring embedding detection is performed for multiple times through optical measurement equipment, a linear laser measurement device and other equipment, so that the accuracy of the piston ring embedding detection is improved; the problems that in the prior art, the piston ring embedding detection equipment is few in function, low in intelligent degree, complex in operation and low in system detection speed are solved.

Description

Piston ring-inlaying detection system

Technical Field

The invention relates to the field of piston ring embedding detection, in particular to a piston ring embedding detection system.

Background

The piston ring is widely applied to engines and other equipment, the detection process of a plurality of domestic piston rings mainly depends on manpower, the piston rings are manually taken, a handheld instrument detects all parameters of the piston rings, including the inner and outer diameters of the rings, the thickness and the surface quality of the rings, the manual detection precision is lower, the detection process is time-consuming and labor-consuming, the detection efficiency is low, and due to errors, the accuracy is poor, and a few piston ring-embedding detection devices mostly depend on imported foreign detection devices, so that the price is high, the piston ring-inlaying detection equipment has less functions, low intelligent degree, complex operation and lower system detection speed, and because there is very big artificial measurement error among the manual detection process, can make the testing result accuracy lower, during the measurement, only carry out single measurement, can not detect comprehensively to the whole situation of piston ring carrier.

Disclosure of Invention

The invention mainly aims to provide a piston ring-inlaying detection system, which solves the problems that in the prior art, piston ring-inlaying detection equipment has few functions, low intelligent degree, complex operation and low system detection speed, and in the manual detection process, due to the existence of large manual measurement errors, the detection result is low in accuracy, and during measurement, only single measurement is performed, and the detection of the whole condition of a piston ring-inlaying is incomplete.

In order to achieve the purpose, the invention adopts the following technical scheme:

a piston ring-inlaying detection system comprises a feeding device, a thickness detection device, an outer diameter detection device, a rotary conveying device, an inner diameter detection device, a defective product storage device and a qualified product storage device; the inner diameter detection device, the defective product storage device and the qualified product storage device are circumferentially arranged outside the rotary conveying device;

the feeding device comprises a support frame fixed on the mounting table, an embedded ring temporary storage device arranged at the upper end of the support frame, a sliding rail positioned below the embedded ring temporary storage device, an active feeding device and a feeding follow-up device, wherein the active feeding device and the feeding follow-up device are arranged in a matched manner with the sliding rail;

the thickness detection device and the outer diameter detection device are positioned beside the sliding rail, and the thickness detection device comprises an integral thickness detection part and a flange thickness detection part;

the integral thickness detection part is positioned right above the sliding rail and comprises a connecting rod, a blank holder strip and a detection measuring head, the blank holder strip is movably connected to the bracket through the connecting rod, the upper end of the detection measuring head is fixed on the bracket, the lower end of the detection measuring head is in contact with the upper end of the blank holder strip, and a spring is arranged on the connecting rod;

the flange thickness detection part corresponds to the outer edge of the piston insert ring in position and comprises two detection measuring heads which are vertically symmetrical, and the detection measuring heads are arranged on the bracket;

the outer diameter detection device comprises three groups of detection measuring heads which are symmetrically arranged, the three groups of detection measuring heads of the outer diameter detection device are horizontally arranged on the bracket, and the positions of the three groups of detection measuring heads respectively correspond to the three outer peripheral surfaces of the piston embedding ring;

the rotary conveying device is fixed on the mounting table and comprises a rotary motor and a plurality of clamping devices connected with the rotary motor, the rotary motor drives the clamping devices to rotate, and each clamping device comprises a clamping cylinder and a clamping claw connected with the clamping cylinder;

the inner diameter detection device comprises an inner hole measuring platform and a pressing device positioned on the inner hole measuring platform; the pressing device is installed above the inner hole measuring platform through the supporting frame and comprises a pressing cylinder and a pressing plate connected below the pressing cylinder.

Further, inlay ring temporary storage device including inlaying the solid fixed ring of ring and installing the guide post on inlaying the solid fixed ring of ring, the guide post annular is installed on inlaying the solid fixed ring of ring, and the piston is inlayed the ring and is located between the guide post.

Furthermore, the active feeding device comprises a driving device and a feeding sliding block connected with the driving device, and the front end of the feeding sliding block is provided with a heightening cushion block; the driving device drives the feeding slide block to move along the slide rail.

Furthermore, feed the servo-device and include follow-up plate and connect the reset spring in follow-up plate one end, reset spring one end is connected with follow-up plate, and the other end is fixed at the tip of slide rail, and follow-up plate's height is unanimous with increasing the cushion, and follow-up plate moves along the slide rail under the promotion of feeding the slider.

Furthermore, the front end of the feeding sliding block is provided with an adjusting block, the adjusting block protrudes out of the front end of the feeding sliding block, and the front end of the adjusting block is arc-shaped; the follower plate is provided with a groove, and the shape of the groove is adapted to the adjusting block.

Furthermore, the inner hole measuring platform is provided with a plurality of strip holes which are annularly arranged on the inner hole measuring platform, a plurality of block gauges are installed below the strip holes, and the block gauges are provided with ruby measuring heads which move in the strip holes under the driving of the block gauges, so that the purpose of measuring the inner diameter is realized.

Further, flaw article storage device and certified products storage device all fix on the mount table through the chassis, and flaw article storage device and certified products storage device all include fixed foundation ring, the annular install stopping device on fixed foundation ring and the spacing post that the annular was fixed on fixed foundation ring, and fixed foundation ring lower extreme has elevating gear, has lift platform on the elevating gear, and lift platform size is less than fixed foundation ring internal diameter.

Furthermore, the stopping device comprises a fixed seat, a guide pillar horizontally arranged on the fixed seat and a stopping block movably connected to the guide pillar, the stopping block is provided with an inclined plane, and the guide pillar is provided with a return spring.

Further, still include optical measurement equipment, optical measurement equipment installs in rotatory feeding device one side with internal diameter detection device equidistance, and it includes glass board, detection camera and camera support, and the glass board is fixed on the mount table through fixed frame, and detection camera passes through camera support mounting in the glass board top, and optical measurement equipment still installs the shade outward.

Further, still include sharp laser measuring device, sharp laser measuring device installs in rotary conveying device one side with internal diameter detection device equidistance, it includes laser detection platform, laser sensor and driving motor, driving motor passes through the base to be fixed on the mount table, driving motor connects laser sensor, last the opening of laser detection platform has rectangular form laser hole, driving motor drive laser sensor seesaw, detect the interior outer footpath that is located piston inlay ring on the laser detection platform, still be fixed with the slip track on the base, laser sensor is along slip track seesaw.

The invention has the following beneficial effects:

(1) the piston ring-inlaying detection system is provided with the feeding device, automatic feeding of the piston ring-inlaying is realized through the matching of the ring-inlaying temporary storage device, the active feeding device and the feeding follow-up device in the feeding device, the automation degree of the feeding process is high, the piston ring-inlaying can be conveyed quantitatively, and the working efficiency is improved;

(2) the piston ring-inlaying detection system is provided with optical measurement equipment and a linear laser measurement device, and the piston ring-inlaying detection is carried out for multiple times through the optical measurement equipment and the linear laser measurement device, so that the accuracy of the piston ring-inlaying detection is improved;

(3) this piston inlays ring detecting system's loading attachment, degree detection device, external diameter detection device, rotary conveyor, internal diameter detection device, defective goods storage device and certified products storage device and forms a detection assembly line, can the all-round measurement of the parameter of ring thickness, internal and external diameter etc. is inlayed to the efficient completion piston, and detection efficiency is high, and the accuracy is good.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a perspective view of the overall structure of the present invention;

FIG. 3 is one of the schematic structural diagrams of the feeding device;

FIG. 4 is a second schematic view of the feeding device;

FIG. 5 is a schematic view of a feed follower configuration;

FIG. 6 is a schematic structural diagram of a thickness measuring device;

FIG. 7 is a schematic view of a piston insert ring structure;

FIG. 8 is a second schematic view of the thickness detecting device;

FIG. 9 is a schematic structural view of an outer diameter detecting device;

FIG. 10 is a schematic view of a rotary conveyor;

FIG. 11 is a schematic view of the inner diameter detecting means;

FIG. 12 is a schematic view of a defective storage device and a non-defective storage device;

FIG. 13 is a second schematic view of the defective product storage device and the non-defective product storage device;

FIG. 14 is a schematic view of an optical measuring device;

FIG. 15 is a schematic view of a linear laser measuring device;

in the figure: 1. a rotary conveying device; 11. a rotating electric machine; 12. a clamping cylinder; 13. a gripper jaw; 2. a feeding device; 21. a ring-inlaid temporary storage device; 211. a ring-inlaid fixing ring; 212. a piston is inlaid in a ring; 213. a guide post; 22. a slide rail; 23. a feeding follower; 231. a return spring; 232. a follower plate; 24. an active feeding device; 241. a feed slide block; 242. heightening cushion blocks; 243. an adjusting block; 25. a support frame; 3. a thickness detection device; 31. a support; 32. an entire thickness detection unit; 33. a flange thickness detection unit; 34. a connecting rod; 35. edge pressing strips; 36. detecting a measuring head; 37. a spring; 4. an outer diameter detection device; 5. an optical measuring device; 51. detecting a camera; 52. a glass plate; 53. a camera support; 54. a light blocking cover; 6. a linear laser measuring device; 61. a support frame; 62. an inner bore measuring platform; 63. a pressing cylinder; 64. pressing a plate; 65. a ruby probe; 7. a linear laser measuring device; 71. a base; 72. a drive motor; 73. a sliding track; 74. a laser sensor; 75. a laser detection platform; 751. laser holes; 8. defective product storage means; 81. a chassis; 82. fixing the bottom ring; 83. a limiting column; 84. a fixed seat; 85. a backstop block; 86. a guide post; 9. a qualified product storage device; 10. and (7) mounting a table.

Detailed Description

The invention will be further explained with reference to the drawings.

Example 1

As shown in fig. 1 to 12, the piston ring-setting detection system according to the present invention includes a feeding device 2, a thickness detection device 3, an outer diameter detection device 4, a rotary conveying device 1, an inner diameter detection device 6, a defective product storage device 8, and a defective product storage device 9; the device is fixed on the mounting table, the inner diameter detection device, the defective product storage device and the qualified product storage device are circumferentially arranged outside the rotary conveying device, the piston ring is conveyed to the thickness detection device and the outer diameter detection device from the feeding device, and after detection is finished, the piston ring is sequentially conveyed to the inner diameter detection device through the rotary conveying device and then conveyed to the qualified product storage device or the defective product storage device according to a detection result;

as shown in fig. 3, the feeding device includes a supporting frame 25 fixed on the mounting table 1, an insert ring temporary storage device 21 mounted at the upper end of the supporting frame 25, a slide rail 22 located below the insert ring temporary storage device 21, an active feeding device 24 mounted in cooperation with the slide rail 22, and a feeding follower 23;

as shown in fig. 4, the ring-inlaying temporary storage device comprises an inlaying ring fixing ring 211 and guide posts 213 mounted on the inlaying ring fixing ring, the guide posts are annularly mounted on the inlaying ring fixing ring, the inlaying ring 212 is located between the guide posts, the inlaying ring fixing ring is mounted on a fixing support, the inlaying rings are limited between the guide posts through the guide posts and the inlaying ring fixing ring, the upper ends of the guide posts are obliquely cut, the obliquely cut parts are close to one side of the circle center of the inlaying ring fixing ring, and the piston can be conveniently and smoothly placed in the inlaying ring fixing ring.

The active feeding device comprises a driving device and a feeding slide block 241 connected with the driving device, and the front end of the feeding slide block is provided with a heightening cushion block 242; the driving device drives the feeding sliding block to move along the sliding rail, the driving device comprises a motor and a lead screw, and can also be other driving devices, and the feeding sliding block is provided with a threaded hole matched with the lead screw. When the motor is started, the lead screw rotates to drive the feeding slide block to move forward along the slide rail, and the feeding follow-up device is pushed to move back and forth.

As shown in fig. 5, the feeding follower device includes a follower plate 232 and a return spring 231 connected to one end of the follower plate, one end of the return spring is connected to the follower plate, the other end of the return spring is fixed to the end of the slide rail, the height of the follower plate is consistent with that of the heightening cushion block, the follower plate moves along the slide rail under the pushing of the feeding slide block, and the lower end of the follower plate and the lower end of the feeding slide block are both provided with guide grooves matched with the slide rail, so as to ensure that the follower plate and the feeding slide block slide. The feeding follow-up device is positioned at the lower end of the inlaid ring fixing ring in an initial state, and the follow-up plate supports the piston inlaid ring to prevent the piston inlaid ring from falling; the feeding slide block moves to push the follow-up plate to retreat, the piston ring originally supported by the follow-up plate falls onto the feeding slide block, and the falling position is positioned behind the heightening cushion block; the motor reverses afterwards, and the lead screw drives and feeds the slider and retreat, and the piston that drops on feeding the slider inlays the ring and retreats along with feeding the slider, is carried detection device in, because reset spring's reset action, the follower plate resets and inlays the solid fixed ring bottom of ring, supports remaining piston and inlays the ring, prevents to continue to drop.

The front end of the feeding slide block 241 is provided with an adjusting block 243, the adjusting block protrudes out of the front end of the feeding slide block, and the front end of the adjusting block is arc-shaped; the follower plate has a recess 233 formed therein, the recess being shaped to accommodate the adjustment block. In the process that the feeding sliding block pushes the follow-up plate, the adjusting block enters the groove and is in seamless fit with the follow-up plate, so that the piston ring can be stably transited from the follow-up plate to the feeding sliding block, and the dropping process is more stable; the heightening cushion block is provided with an arc-shaped tangent plane, so that the piston embedding ring is convenient to position, and the piston embedding ring is prevented from falling in the conveying process, so that the conveying process is stable.

The drive arrangement opens, the drive feeds the slider and advances along the slide rail, after drive arrangement contact follower plate, continue to promote the follower plate and move forward, the reset spring shrink of follower plate back connection, originally inlay the ring by the piston that the follower plate supported and drop to feeding on the slider, at this moment, the motor reversal, the lead screw drives and feeds the slider and retreat, under the effect that increases the cushion, the piston inlays the ring and retreats along with feeding the slider, carry following detection area, the follower plate also resets under reset spring's effect and inlays the solid fixed ring below of ring, continue to support remaining piston and inlay the ring, prevent to continue to drop, the piston inlays the ring and moves along with feeding the slider, through thickness detection device and external diameter detection device.

As shown in fig. 8, the thickness detection device and the outer diameter detection device are located beside the slide rail, and the thickness detection device includes an integral thickness detection portion 32 and a flange thickness detection portion 33.

The integral thickness detection part is positioned right above the sliding rail, the integral thickness detection part comprises a connecting rod 34, a blank holder strip 35 and a detection measuring head 36, the blank holder strip is movably connected to the support 31 through the connecting rod, a spring 37 is arranged on the connecting rod, the blank holder strip and the connecting rod can move up and down along the support and reset under the action of the spring, the upper end of the detection measuring head is fixed on the support, and the lower end of the detection measuring head is contacted with the upper end of the blank holder; the piston insert ring passes through the blank holder strip, the blank holder strip is jacked up upwards under the action of the piston insert ring, the blank holder strip moves upwards along the connecting rod, and the spring is compressed; the monitoring probe detects the thickness of the piston insert ring, the piston insert ring continues to be conveyed backwards, the blank holder strip resets under the action of the spring, one blank holder strip is used for detecting the overall thickness of the piston insert ring, and the other blank holder strip is used for giving certain pressure to the piston insert ring in the detection process to prevent the dislocation of the piston insert ring.

The flange thickness detection part (33) corresponds to the outer edge position of the piston insert ring (212) and comprises two detection measuring heads (36) which are vertically symmetrical, and the detection measuring heads (36) are arranged on the bracket (31); the flange thickness detection part is used for detecting the flange thickness of the piston insert ring;

as shown in fig. 9, the outer diameter detection device (4) includes three sets of detection probes (36) symmetrically installed, the three sets of detection probes (36) of the outer diameter detection device (4) are horizontally installed on the bracket (31), and the positions of the three sets of detection probes (36) respectively correspond to the three outer peripheral surfaces of the piston insert ring (212); the outer diameters corresponding to the three circumferential surfaces of the piston insert ring are an upper outer diameter, a flange outer diameter and a lower outer diameter respectively, and two sides of the detection part of the two groups of detection measuring heads corresponding to the upper outer diameter and the lower outer diameter are provided with oblique planes, so that the detection measuring heads can accurately contact the upper outer diameter and the lower outer diameter conveniently.

As shown in fig. 10, the rotary conveying device 1 is fixed on the mounting table, and includes a rotary motor 11 and a plurality of clamping devices connected to the rotary motor, the rotary motor drives the clamping devices to rotate, and the clamping devices include a clamping cylinder 12 and a clamping claw 13 connected to the clamping cylinder; the clamping cylinder controls the clamping claws to open and close, the piston inlaid ring reaches the clamping position, the clamping cylinder controls the clamping claws to close, the piston inlaid ring is clamped, and the rotating motor rotates to drive the piston inlaid ring to be conveyed to the next detection position.

As shown in fig. 11, the inner diameter detection device includes an inner bore measuring platform 62 and a compression device located on the inner bore measuring platform; the pressing device is arranged above the inner hole measuring platform through a supporting frame 61 and comprises a pressing cylinder 63 and a pressing plate 64 connected below the pressing cylinder; the inner hole measuring platform is provided with a plurality of strip holes which are annularly arranged on the inner hole measuring platform, a plurality of block gauges are arranged below the strip holes, the block gauges are provided with ruby measuring heads 65, and the ruby measuring heads move in the strip holes under the driving of the block gauges, so that the purpose of measuring the inner diameter is realized; the block gauge is a product which is very suitable for detecting the inner diameter and the size of a part with an inner cavity, provides a simple and accurate measuring result, and belongs to the prior art; after the piston ring is conveyed to the inner hole measuring platform, the pressing cylinder controls the pressing plate to press down, the piston ring is pressed, and the block gauge drives the ruby measuring head to move along the strip hole of the inner hole measuring platform, so that the inner diameter size of the piston ring is detected.

As shown in fig. 12 and 13, the defective product storage device and the qualified product storage device are both fixed on the mounting table through the underframe 81, the defective product storage device and the qualified product storage device both include a fixed bottom ring 82, a retaining device annularly installed on the fixed bottom ring, and a limit post 83 annularly fixed on the fixed bottom ring, the lower end of the fixed bottom ring is provided with a lifting device 88, the lifting device is provided with a lifting platform 87, and the size of the lifting platform is smaller than the inner diameter of the fixed bottom ring. The backstop device comprises a fixed seat 84, a guide post 86 horizontally arranged on the fixed seat and a backstop block 85 movably connected onto the guide post, wherein the backstop block is provided with an inclined surface and a return spring, a piston ring after multiple detection is finally conveyed to a defective product storage device or a lifting platform corresponding to a qualified product storage device, the lifting device drives a lifting platform and the piston ring on the lifting platform to ascend, the backstop block is outwards pushed under the action of the inclined surface, when the piston ring reaches the top of the backstop block, the lifting platform descends, the backstop block returns under the action of the return spring, and the piston ring is embedded and supported.

This ring detecting system is inlayed to piston's loading attachment material loading with certain time interval, the incessant disconnected forward conveying of ring is inlayed to the piston, and outer diameter detection device, thickness detection device and internal diameter detection device move simultaneously, detect the piston that carries to target in place and inlay the ring, great improvement detection efficiency.

The qualification judgment of the piston ring insert is realized by comparing each data with target data after detection, the movement of each component, the control of detection, the transmission of detection results, the comparison of data and the like are all controlled and completed by a control system, and the specific control process is not described in detail in the application.

Example 2

As shown in fig. 14, the present embodiment is different from embodiment 1 in that the piston insert ring detection system further includes an optical measurement device 5, the optical measurement device is a CCD optical measurement device, the optical measurement device is installed on one side of the rotary conveying device at equal distance from the inner diameter detection device, and is located in front of the defective product storage device and the non-defective product storage device, the optical measurement device includes a glass plate 52, a detection camera 51 and a camera support 53, the glass plate is fixed on the mounting table through a fixing frame, the detection camera is installed above the glass plate through the camera support, a light blocking cover 54 is installed outside the optical measurement device, the piston insert ring is conveyed onto the glass plate by the rotary conveying device, the detection camera on the glass plate directly detects the thickness and the inner and outer diameters of the piston insert ring, and conveys the detection result to a background control system, the piston insert ring is repeatedly detected by using different instruments, the accuracy of the piston ring can be ensured, and the result is more accurate.

Example 3

As shown in fig. 15, the difference between this embodiment and embodiments 1 and 2 is that the piston ring-insert detecting system further includes a linear laser measuring device 7, the linear laser measuring device is installed on one side of the rotary conveyor at equal distance from the inner diameter detecting device, and located in front of the defective product storing device and the non-defective product storing device, and includes a laser detecting platform 75, a laser sensor 74 and a driving motor 72, the driving motor is fixed on the mounting table through a base 71, the driving motor is connected with the laser sensor, the laser detecting platform is provided with an elongated laser hole 751, the driving motor drives the laser sensor to move back and forth, and detects the inner and outer diameters of the ring-insert located on the laser detecting platform, the base is further fixed with a sliding rail 73, and the laser sensor moves back and forth along the sliding rail.

The piston ring is conveyed to the laser detection platform by the rotary conveying device, the driving motor drives the laser sensor to move forwards along the sliding track, the inner diameter, the outer diameter and the thickness of the piston ring are measured by a laser measurement mode, and a detection result can be directly conveyed to the background control system.

In the description of the present invention, it should be noted that the terms "front end", "rear end", "left and right", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "communicating" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Of course, the foregoing is only a preferred embodiment of the invention and should not be taken as limiting the scope of the embodiments of the invention. The present invention is not limited to the above examples, and equivalent changes and modifications made by those skilled in the art within the spirit and scope of the present invention should be construed as being included in the scope of the present invention.

Claims (10)

1. The piston ring-inlaying detection system is characterized by comprising a feeding device (2), a thickness detection device (3), an outer diameter detection device (4), a rotary conveying device (1), an inner diameter detection device (6), a defective product storage device (8) and a qualified product storage device (9); the inner diameter detection device (6), the defective product storage device (8) and the qualified product storage device (9) are circumferentially arranged outside the rotary conveying device (1);

the feeding device (2) comprises a support frame (25) fixed on the mounting table (10), an inlaid ring temporary storage device (21) mounted at the upper end of the support frame (25), a slide rail (22) positioned below the inlaid ring temporary storage device (21), an active feeding device (24) and a feeding follow-up device (23), wherein the active feeding device is mounted in a matched manner with the slide rail (22);

the thickness detection device (3) and the outer diameter detection device (4) are positioned at the side of the sliding rail (22), and the thickness detection device (3) comprises an integral thickness detection part (32) and a flange thickness detection part (33);

the integral thickness detection part (32) is positioned right above the sliding rail (22) and comprises a connecting rod (34), a blank holder strip (35) and a detection measuring head (36), the blank holder strip (35) is movably connected to the support (31) through the connecting rod (34), the upper end of the detection measuring head (36) is fixed on the support, the lower end of the detection measuring head is in contact with the upper end of the blank holder strip (35), and a spring (37) is arranged on the connecting rod (34);

the flange thickness detection part (33) corresponds to the outer edge position of the piston insert ring (212) and comprises two detection measuring heads (36) which are vertically symmetrical, and the detection measuring heads (36) are arranged on the bracket (31);

the outer diameter detection device (4) comprises three groups of detection measuring heads (36) which are symmetrically arranged, the three groups of detection measuring heads (36) of the outer diameter detection device (4) are horizontally arranged on the bracket (31), and the positions of the three groups of detection measuring heads (36) respectively correspond to the three outer peripheral surfaces of the piston embedding ring (212);

the rotary conveying device (1) is fixed on the mounting table (10) and comprises a rotary motor (11) and a plurality of clamping devices connected with the rotary motor (11), the rotary motor (11) drives the clamping devices to rotate, and each clamping device comprises a clamping cylinder (12) and a clamping claw (13) connected with the clamping cylinder (12);

the inner diameter detection device (6) comprises an inner hole measuring platform (62) and a pressing device positioned on the inner hole measuring platform (62); the pressing device is installed above the inner hole measuring platform (62) through a supporting frame (61), and comprises a pressing cylinder (63) and a pressing plate (64) connected below the pressing cylinder (63).

2. The piston insert ring detection system according to claim 1, wherein the insert ring temporary storage device (21) comprises insert ring fixing rings (211) and guide posts (213) mounted on the insert ring fixing rings (211), the guide posts (213) are annularly mounted on the insert ring fixing rings (211), and the piston insert ring (212) is located between the guide posts (213).

3. The piston insert ring detection system according to claim 1, wherein the active feed device (24) comprises a drive device and a feed slider (241) connected with the drive device, and the front end of the feed slider (241) is provided with a heightening pad (242); the driving device drives the feeding slide block (241) to move along the slide rail (22).

4. The piston insert ring detection system according to claim 1, wherein the feeding follower (23) comprises a follower plate (232) and a return spring (231) connected to one end of the follower plate (232), one end of the return spring (231) is connected to the follower plate (232), the other end of the return spring is fixed to the end of the slide rail (22), the height of the follower plate (232) is consistent with that of the heightening pad block (242), and the follower plate (232) moves along the slide rail (22) under the pushing of the feeding slider (241).

5. The piston insert ring detection system according to claim 3, wherein the front end of the feeding slide block (241) is provided with an adjusting block (243), the adjusting block (243) protrudes out of the front end of the feeding slide block (241), and the front end of the adjusting block (243) is in a circular arc shape; the follow-up plate (232) is provided with a groove (233), and the shape of the groove (233) is matched with the adjusting block (243).

6. The piston ring insert detection system according to claim 1, wherein the inner bore measurement platform (62) is provided with a plurality of elongated holes, the elongated holes are annularly arranged on the inner bore measurement platform (62), a plurality of gauge blocks are installed below the elongated holes, each gauge block is provided with a ruby measuring head (65), and the ruby measuring head (65) is driven by the gauge block to move in the elongated hole, so that the purpose of measuring the inner diameter is achieved.

7. The piston ring inserting detection system according to claim 1, wherein the defective product storage device (8) and the qualified product storage device (9) are fixed on the mounting table (10) through an underframe (81), the defective product storage device (8) and the qualified product storage device (9) each comprise a fixed bottom ring (82), a stopping device annularly mounted on the fixed bottom ring (82) and a limiting column (83) annularly fixed on the fixed bottom ring (82), the lower end of the fixed bottom ring (82) is provided with a lifting device (88), the lifting device is provided with a lifting platform (87), and the size of the lifting platform (87) is smaller than the inner diameter of the fixed bottom ring (82).

8. The piston ring detection system according to claim 7, wherein the retaining device comprises a fixed seat (84), a guide post (86) horizontally mounted on the fixed seat (84), and a retaining block (85) movably connected to the guide post (86), the retaining block is provided with an inclined surface, and the guide post (86) is provided with a return spring.

9. The piston ring insert detection system according to claim 1, further comprising an optical measurement device (5), wherein the optical measurement device (5) is installed on one side of the rotary material conveying device at equal distance from the inner diameter detection device (6), and comprises a glass plate (52), a detection camera (51) and a camera bracket (53), the glass plate is fixed on the installation table (10) through a fixed frame, the detection camera is installed above the glass plate through the camera bracket, and a light blocking cover (54) is installed outside the optical measurement device (5).

10. The piston ring insert detecting system according to claim 1, further comprising a linear laser measuring device (7) installed at one side of the rotary conveying device (1) at an equal distance from the inner diameter detecting device (6), the laser detection device comprises a laser detection platform (75), a laser sensor (74) and a driving motor (72), wherein the driving motor (72) is fixed on an installation platform (10) through a base (71), the driving motor (72) is connected with the laser sensor (74), a long-strip-shaped laser hole (751) is formed in the laser detection platform (75), the driving motor (72) drives the laser sensor (74) to move back and forth, the inner diameter and the outer diameter of a piston embedding ring (212) on the laser detection platform (75) are detected, a sliding track (73) is further fixed on the base (71), and the laser sensor (74) moves back and forth along the sliding track (73).

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