Gear detection system for clothes hanger and detection method thereof

Abstract

The invention relates to the technical field of gear detection, in particular to a gear detection system for a clothes hanger and a detection method thereof. The invention provides a gear detection system for a clothes hanger. The gear detection system comprises a rack; the feeding part is fixed to the machine frame, and the feeding part is suitable for carrying workpieces; the detection part is fixed on the rack, and the detection part is suitable for detecting a workpiece; the transmission part is fixed on one side of the detection part, and the transmission part is suitable for driving a workpiece to rotate in the detection part in the circumferential direction; when the transmission part drives the workpiece to rotate in the circumferential direction, the movable end of the detection part is suitable for driving the workpiece to move up and down in a reciprocating mode. And when the workpiece is unqualified, the outer wall of the workpiece is separated from the movable end of the transmission part, and the transmission part cannot drive the workpiece to rotate synchronously.

Description

Technical Field

[0001] The present invention relates to the technical field of gear detection, and in particular to a gear detection system and a detection method for a clothes drying rack. Background Art

[0002] The electric clothes drying rack has a motor inside, which drives the gear to rotate, thereby driving the winding wheel to rotate forward and reverse, so as to drive the pull rope to rise or fall.

[0003] After the gear is processed and formed, it needs to be precision tested to ensure that the rack size on the outer wall of the gear meets the production requirements.

[0004] In the related art, visual inspection is mostly used to inspect gears. However, as to whether the thickness of the rack on the outer wall of the gear is qualified, traditional visual inspection cannot detect whether the thickness of each rack is qualified, and the unqualified rack thickness is divided into the upper surface thickness of the rack being smaller or the lower bottom surface thickness of the rack being smaller.

[0005] Therefore, how to solve the problem of determining that the thickness of the upper surface or lower bottom surface of the gear rack is unqualified during the detection process is a technical problem that urgently needs to be solved in this field. Summary of the invention

[0006] The object of the present invention is to provide a gear detection system and a detection method for a clothes drying rack.

[0007] In order to solve the above technical problems, the present invention provides a gear detection system for a clothes drying rack, comprising: frame; A detection part, the detection part is fixed on the frame, and the detection part is suitable for detecting whether the workpiece is qualified; A transmission part, the transmission part is fixed to one side of the detection part, and the transmission part is suitable for driving the workpiece to rotate circumferentially in the detection part; Wherein, when the transmission part drives the workpiece to rotate circumferentially, the movable end of the detection part is suitable for driving the workpiece to move reciprocally up and down; The outer wall of the workpiece is separated from the movable end of the transmission part, and the transmission part cannot drive the workpiece to rotate synchronously, so the workpiece is judged to be unqualified.

[0008] Preferably, the detection part comprises: a positioning ring, the positioning ring is horizontally fixed on the frame, and the workpiece is suitable for being placed in the positioning ring; A support plate, wherein the support plate is fixed in the positioning ring; A positioning shaft, the positioning shaft is rotatably arranged in the positioning ring, and the workpiece is suitable for being sleeved on the outer wall of the positioning shaft; A lifting component is sleeved on the outer wall of the positioning shaft, the lifting component is linked with the positioning shaft, and the lifting component is suitable for driving the workpiece to move reciprocally up and down.

[0009] Preferably, a closed-loop groove is provided in the circumferential direction on the outer wall of the positioning shaft, one section of the closed-loop groove rises in a spiral along the outer wall of the positioning shaft, and the other section of the closed-loop groove descends in a spiral along the outer wall of the positioning shaft.

[0010] Preferably, the lifting assembly comprises: a lifting ring, the lifting ring is sleeved on the outer wall of the positioning shaft, and the lifting ring is suitable for abutting against the bottom wall of the workpiece; A linkage block fixed to the inner wall of the lifting ring, wherein the linkage block is slidably arranged in the closed-loop groove; Wherein, when the positioning shaft rotates circumferentially, it is suitable for driving the lifting ring to move reciprocally up and down along the outer wall of the positioning shaft.

[0011] Preferably, an oil storage cylinder is fixed at the lower end of the support plate, the interior of the oil storage cylinder is hollow, and the oil storage cylinder is suitable for storing grease; the oil storage cylinder is arranged directly below the positioning shaft.

[0012] Preferably, the lifting assembly further comprises: a connecting column, the connecting column is vertically fixed to the lower end of the lifting ring, and the connecting column is suitable for passing through the supporting plate; And a piston disc fixed at the lower end of the connecting column, the piston disc is slidably matched with the oil storage cylinder, and the piston disc is suitable for moving up and down in the oil storage cylinder.

[0013] Preferably, a sponge strip is fixed circumferentially to the inner wall of the positioning ring, the sponge strip is connected to the oil storage cylinder, and the rack on the outer wall of the workpiece is suitable for squeezing the sponge strip to deform.

[0014] Preferably, the support plate is provided with a plurality of flow channels in the radial direction, and the flow channels are suitable for connecting the sponge strip and the oil storage cylinder.

[0015] Preferably, the transmission part comprises: a driving motor, wherein a driving gear disc is sleeved on the end of the rotating shaft of the driving motor; A positioning plate, the positioning plate is vertically fixed on the frame, and the positioning plate is arranged on the outside of the positioning ring; A linkage shaft, the linkage shaft being movably arranged on the positioning plate; A driven gear disc is sleeved on the outer wall of the linkage shaft, the driven gear disc is meshed with the driving gear disc, and the driven gear disc is suitable for driving the workpiece to rotate circumferentially.

[0016] Preferably, a notch is provided on the positioning ring, and a detection plate is slidably disposed in the notch. The detection plate is in an arc shape and is suitable for abutting against a rack on an outer wall of a workpiece.

[0017] Preferably, a conical block is fixed to the lower end of the lifting ring, and the conical block is suitable for squeezing the middle part of the supporting plate to be concave downward.

[0018] On the other hand, the present invention also provides a detection method for a gear detection system for a clothes drying rack, comprising the following steps: The movable end of the feeding part clamps the workpiece, and after the workpiece is horizontally moved to the detection part, the movable end of the clamping part is suitable for fixing the workpiece on the outer wall of the positioning shaft; When the workpiece slides vertically downward along the outer wall of the positioning shaft, the rack on the outer wall of the workpiece is suitable for meshing with the driven gear disc; The driving motor drives the driven gear disc to rotate, and the driven gear disc is suitable for driving the workpiece to rotate synchronously; the workpiece is suitable for driving the positioning shaft to rotate synchronously in the circumferential direction; During the circumferential rotation of the positioning shaft, the lifting ring is adapted to be driven to slide vertically up and down along the outer wall of the positioning shaft; The lifting ring can synchronously drive the workpiece to make it slide vertically up and down along the outer wall of the positioning shaft; When the thickness of the outer wall of the workpiece is unqualified, the rack on the outer wall of the workpiece is separated from the driven gear disc. At this time, the driven gear disc cannot drive the workpiece to continue to rotate. A damper is arranged at the lower end of the positioning shaft. After the driven gear disc is separated from the rack on the outer wall of the workpiece, the damper at the lower end of the positioning shaft is suitable for overcoming the inertia of the workpiece rotation, that is, after the workpiece is separated from the driven gear disc, the workpiece will not rotate. When the length of the rack on the outer wall of the workpiece exceeds a preset value, the rack on the outer wall of the workpiece can push the detection plate to make the detection plate detach from the notch.

[0019] The beneficial effect of the present invention is that a gear detection system for a clothes drying rack of the present invention can detect whether the thickness of the rack on the outer wall of the workpiece is qualified through the cooperation of the detection part and the driven gear plate, and during the rotation of the workpiece, the detection plate can also detect whether the length of the rack on the outer wall of the workpiece is too long, thereby improving work efficiency.

[0020] Other features and advantages of the present invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practicing the present invention.

[0021] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 is a stereogram of a preferred embodiment of a gear detection system for a clothes drying rack of the present invention; Figure 2 is a three-dimensional diagram of the detection part and the transmission part of the present invention; Figure 3 is a perspective view of the lifting assembly of the present invention; Figure 4 is an internal cross-sectional view of a detection unit of the present invention; Figure 5 It is a sectional front view of the detection part of the present invention.

[0024] In the figure: 1. Frame; 2. Loading part; 3. Detection unit; 31. Positioning ring; 32. Support plate; 33. Positioning shaft; 330. Closed-loop groove; 34. Lifting assembly; 341. Lifting ring; 342. Connecting column; 343. Linkage block; 344. Piston plate; 35. Oil storage cylinder; 36. Sponge strip; 37. Detection plate; 4. Transmission part; 41. Positioning plate; 42. Linkage shaft; 43. Driven gear plate. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] like Figures 1 to 5As shown, some embodiments provide a gear detection system for a clothes drying rack, comprising: a frame 1; a loading part 2, the loading part 2 is fixed on the frame 1, and the loading part 2 is suitable for carrying workpieces; the loading part 2 comprises: a horizontal moving pair and a clamping claw, the horizontal moving pair is fixed on the frame 1, the clamping claw is fixed on the movable end of the horizontal moving pair, the horizontal moving pair is suitable for driving the clamping claw to move horizontally, and the clamping claw is suitable for clamping the workpiece to move horizontally, so as to sleeve the workpiece on the outer wall of the positioning shaft 33. The workpiece described in the present invention is a gear. The gear described in the present invention is a driving gear used in an electric clothes drying rack, the motor drives the gear to rotate, and the gear synchronously drives the winding wheel in the electric clothes drying rack to rotate forward and reverse.

[0027] The detection part 3 is fixed on the frame 1, and the detection part 3 is suitable for detecting whether the workpiece is qualified; the transmission part 4 is fixed on one side of the detection part 3, and the transmission part 4 is suitable for driving the workpiece to rotate circumferentially in the detection part 3; wherein, when the transmission part 4 drives the workpiece to rotate circumferentially, the movable end of the detection part 3 is suitable for driving the workpiece to move up and down reciprocatingly; the outer wall of the workpiece is separated from the movable end of the transmission part 4, and the transmission part 4 cannot drive the workpiece to rotate synchronously, and the workpiece is judged to be unqualified. Through the cooperation of the detection part 3 and the driven gear disc 43, it is possible to detect whether the thickness of the rack on the outer wall of the workpiece is qualified, and during the rotation of the workpiece, it is also possible to detect whether the length of the rack on the outer wall of the workpiece is too long, thereby improving work efficiency.

[0028] Reference Figure 2 The detection part 3 includes: a positioning ring 31, which is horizontally fixed on the frame 1, and the workpiece is suitable for being placed in the positioning ring 31; the inner diameter of the positioning ring 31 is larger than the diameter of the workpiece, and after the workpiece is sleeved on the outer wall of the positioning shaft 33, when the workpiece rotates circumferentially in the positioning ring 31, the rack on the outer wall of the workpiece will not contact the inner wall of the positioning ring 31. A support plate 32, which is fixed in the positioning ring 31; the support plate 32 has a certain elasticity, that is, when the lifting component 34 moves downward to abut against the support plate 32, the lifting component 34 is suitable for squeezing the support plate 32 to be concave and deformed downward; a positioning shaft 33, which is rotatably arranged in the positioning ring 31, and the workpiece is suitable for being sleeved on the outer wall of the positioning shaft 33; the axis of the positioning shaft 33 coincides with the center of the circle of the positioning ring 31. The lifting assembly 34 is sleeved on the outer wall of the positioning shaft 33 , the lifting assembly 34 is linked with the positioning shaft 33 , and the lifting assembly 34 is suitable for driving the workpiece to move reciprocally up and down.

[0029] Reference Figure 3 and Figure 4The outer wall of the positioning shaft 33 is provided with a closed-loop groove 330 along the circumferential direction, one section of the closed-loop groove 330 spirally rises along the outer wall of the positioning shaft 33, and the other section of the closed-loop groove 330 spirally descends along the outer wall of the positioning shaft 33. The lifting assembly 34 comprises: a lifting ring 341, which is sleeved on the outer wall of the positioning shaft 33 and is suitable for abutting against the bottom wall of the workpiece; a linkage block 343 fixed on the inner wall of the lifting ring 341, and the linkage block 343 is slidably arranged in the closed-loop groove 330; wherein, when the positioning shaft 33 rotates circumferentially, it is suitable for driving the lifting ring 341 to reciprocate up and down along the outer wall of the positioning shaft 33. When the linkage block 343 moves in the closed-loop groove 330, it is suitable for driving the lifting ring 341 to move vertically up and down reciprocatingly along the outer wall of the positioning shaft 33; a fixed groove is axially provided on the outer wall of the positioning shaft 33, and a fixed block matched with the fixed groove is fixed on the inner wall of the workpiece, and the fixed block is suitable for moving vertically up and down in the fixed groove. When the driven gear plate 43 drives the workpiece to rotate, the workpiece is suitable for driving the positioning shaft 33 to rotate synchronously; when the positioning shaft 33 rotates axially, it is suitable for driving the lifting ring 341 to move vertically up and down reciprocatingly along the outer wall of the positioning shaft 33; and the up and down reciprocating movement of the lifting ring 341 is suitable for driving the workpiece to move synchronously up and down. The stroke of the lifting ring 341 driving the workpiece to move up and down is equal to the thickness of the workpiece; when the lifting ring 341 moves to the highest point, the lower bottom surface of the rack on the outer wall of the workpiece abuts against the driven gear disc 43; and when the lifting ring 341 moves to the lowest point, the upper surface of the rack on the outer wall of the workpiece abuts against the driven gear disc 43; when the thickness of the rack on the outer wall of the workpiece is small, when the lifting ring 341 drives the workpiece to move vertically up and down, the rack on the outer wall of the workpiece is separated from the driven gear disc 43, and at this time, the driven gear disc 43 cannot drive the workpiece to continue to rotate circumferentially. A damper is provided at the bottom of the positioning shaft 33. When the external force driving the workpiece to rotate disappears, the damper is suitable for overcoming the inertia of the workpiece, that is, after the driven gear disc 43 is separated from the rack on the outer wall of the workpiece, the workpiece will not continue to rotate.

[0030] Reference Figure 4 In order to apply grease to the rack on the outer wall of the workpiece, an oil storage cylinder 35 is fixed to the lower end of the support plate 32. The oil storage cylinder 35 is hollow inside and is suitable for storing grease. The oil storage cylinder 35 is arranged directly below the positioning shaft 33.

[0031] Preferably, the lifting assembly 34 further includes: a connecting column 342, which is vertically fixed at the lower end of the lifting ring 341 and is suitable for passing through the supporting plate 32; the connecting column 342 and the positioning shaft 33 are parallel to each other; and a piston plate 344 fixed at the lower end of the connecting column 342, the piston plate 344 is slidably adapted to the oil storage cylinder 35, and the piston plate 344 is suitable for moving up and down in the oil storage cylinder 35. When the piston plate 344 moves vertically up and down in the oil storage cylinder 35, it is suitable for pushing the grease in the oil storage cylinder 35 to flow toward the sponge strip 36.

[0032] Reference Figure 4 A sponge strip 36 is fixed circumferentially on the inner wall of the positioning ring 31, and the sponge strip 36 is connected to the oil storage cylinder 35. The rack on the outer wall of the workpiece is suitable for squeezing the sponge strip 36 to deform. The support plate 32 is provided with a plurality of flow channels in the radial direction, and the flow channels are suitable for connecting the sponge strip 36 and the oil storage cylinder 35. When the piston plate 344 moves vertically upward in the oil storage cylinder 35, the piston plate 344 is suitable for pushing the grease in the oil storage cylinder 35 so that the grease flows along the flow channel to the sponge strip 36. The sponge strip 36 is in an arc shape, and the inner diameter of the sponge strip 36 is smaller than the outer diameter of the workpiece. No sponge strip 36 is provided at the inner wall of the positioning ring 31 corresponding to the notch.

[0033] In order to detect whether the length of the rack on the outer wall of the workpiece is too large, a notch is provided on the positioning ring 31, and a detection plate 37 is slidably arranged in the notch. The detection plate 37 is in an arc shape and is suitable for abutting against the rack on the outer wall of the workpiece. When the workpiece rotates circumferentially with the positioning shaft 33 as the axis, the rack on the outer wall of the workpiece is suitable for abutting against the inner wall of the detection plate 37; and when the length of the rack on the outer wall of the workpiece is too large, the rack on the outer wall of the workpiece is suitable for pushing the detection plate 37 to move outward.

[0034] In order to facilitate the recovery of excess grease, a conical block is fixed at the lower end of the lifting ring 341, and the conical block is suitable for squeezing the middle of the support plate 32 downward. A reflux hole is provided at the support plate 32 corresponding to the oil storage cylinder 35. When the conical block squeezes the support plate 32 downward, the excess grease on the support plate 32 is suitable for flowing into the oil storage cylinder 35 through the reflux hole. When the piston plate 344 moves vertically upward in the oil storage cylinder 35, the grease in the oil storage cylinder 35 is suitable for flowing outward to the sponge strip 36 through the flow channel; an elastic sheet is provided at the bottom wall of the support plate 32 corresponding to the reflux hole, and the elastic sheet is suitable for preventing the grease in the oil storage cylinder 35 from being sprayed outward to the support plate 32 through the reflux hole.

[0035] Reference Figure 2 and Figure 4The transmission part 4 includes: a driving motor, which is fixed on the frame 1, and a driving gear is sleeved on the end of the rotating shaft of the driving motor; a positioning plate 41, which is vertically fixed on the frame 1 and arranged on the outer side of the positioning ring 31; a linkage shaft 42, which is movably arranged on the positioning plate 41; a driven gear 43, which is sleeved on the outer wall of the linkage shaft 42, and the driven gear 43 is meshed with the driving gear, and the driven gear 43 is suitable for driving the workpiece to rotate circumferentially.

[0036] Some embodiments provide a detection method for a clothes drying rack gear detection system. A specific detection method for a clothes drying rack gear detection system is as follows: The movable end of the feeding part 2 clamps the workpiece, and after the workpiece is horizontally moved to the detection part 3, the movable end of the clamping part is suitable for fixing the workpiece on the outer wall of the positioning shaft 33; When the workpiece slides vertically downward along the outer wall of the positioning shaft 33, the rack on the outer wall of the workpiece is adapted to mesh with the driven gear disc 43; The driving motor drives the driven gear disc 43 to rotate, and the driven gear disc 43 is suitable for driving the workpiece to rotate synchronously; the workpiece is suitable for driving the positioning shaft 33 to rotate synchronously in the circumferential direction; During the circumferential rotation of the positioning shaft 33 , it is suitable for driving the lifting ring 341 to slide vertically up and down along the outer wall of the positioning shaft 33 ; The lifting ring 341 can synchronously drive the workpiece to make it slide vertically up and down along the outer wall of the positioning shaft 33; When the thickness of the outer wall of the workpiece is unqualified, the rack of the outer wall of the workpiece is separated from the driven gear plate 43. At this time, the driven gear plate 43 cannot drive the workpiece to continue to rotate; and a damper is provided at the lower end of the positioning shaft 33. After the driven gear plate 43 is separated from the rack of the outer wall of the workpiece, the damper at the lower end of the positioning shaft 33 is suitable for overcoming the inertia of the workpiece rotation, that is, after the workpiece is separated from the driven gear plate 43, the workpiece will not rotate; When the length of the rack on the outer wall of the workpiece exceeds a preset value, the rack on the outer wall of the workpiece can push the detection plate 37 to make the detection plate 37 detach from the notch.

[0037] In the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0039] Based on the above ideal embodiments of the present invention, the relevant staff can make various changes and modifications without departing from the technical concept of the present invention through the above description. The technical scope of the present invention is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A gear detection system for a clothes drying rack, characterized in that: include: Rack(1); A detection part (3), the detection part (3) being fixed on the frame (1), and the detection part (3) being suitable for detecting whether a workpiece is qualified; A transmission part (4), the transmission part (4) being fixed on one side of the detection part (3), the transmission part (4) being suitable for driving the workpiece to rotate circumferentially within the detection part (3); When the transmission part (4) drives the workpiece to rotate circumferentially, the movable end of the detection part (3) is suitable for driving the workpiece to move reciprocally up and down; The outer wall of the workpiece is separated from the movable end of the transmission part (4), and the transmission part (4) is unable to drive the workpiece to rotate synchronously, so the workpiece is judged to be unqualified.

2. A clothes drying rack gear detection system as claimed in claim 1, characterized in that: The detection part (3) comprises: a positioning ring (31), the positioning ring (31) being horizontally fixed on the frame (1), and the workpiece being suitable for being placed in the positioning ring (31); A support plate (32), wherein the support plate (32) is fixed inside the positioning ring (31); A positioning shaft (33), the positioning shaft (33) being rotatably disposed in the positioning ring (31), and the workpiece being adapted to be sleeved on an outer wall of the positioning shaft (33); A lifting component (34) is sleeved on the outer wall of the positioning shaft (33), the lifting component (34) is linked with the positioning shaft (33), and the lifting component (34) is suitable for driving the workpiece to move reciprocally up and down.

3. A clothes drying rack gear detection system as claimed in claim 2, characterized in that: The outer wall of the positioning shaft (33) is provided with a closed-loop groove (330) along the circumferential direction, one section of the closed-loop groove (330) rises in a spiral along the outer wall of the positioning shaft (33), and the other section of the closed-loop groove (330) descends in a spiral along the outer wall of the positioning shaft (33).

4. A clothes drying rack gear detection system as claimed in claim 3, characterized in that: The lifting assembly (34) comprises: a lifting ring (341), the lifting ring (341) being sleeved on the outer wall of the positioning shaft (33), the lifting ring (341) being suitable for abutting against the bottom wall of the workpiece; A linkage block (343) fixed to the inner wall of the lifting ring (341), wherein the linkage block (343) is slidably disposed in the closed-loop groove (330); When the positioning shaft (33) rotates circumferentially, it is suitable for driving the lifting ring (341) to move reciprocally up and down along the outer wall of the positioning shaft (33).

5. A clothes drying rack gear detection system as claimed in claim 4, characterized in that: An oil storage cylinder (35) is fixed to the lower end of the support plate (32); the interior of the oil storage cylinder (35) is hollow and suitable for storing grease; the oil storage cylinder (35) is arranged directly below the positioning shaft (33).

6. A clothes drying rack gear detection system as claimed in claim 5, characterized in that: The lifting assembly (34) further comprises: a connecting column (342), wherein the connecting column (342) is vertically fixed to the lower end of the lifting ring (341), and the connecting column (342) is suitable for passing through the supporting plate (32); and a piston disc (344) fixed to the lower end of the connecting column (342), wherein the piston disc (344) is slidably matched with the oil storage cylinder (35), and the piston disc (344) is suitable for moving up and down in the oil storage cylinder (35).

7. A clothes drying rack gear detection system as claimed in claim 6, characterized in that: A sponge strip (36) is fixed circumferentially to the inner wall of the positioning ring (31); the sponge strip (36) is in communication with the oil storage cylinder (35); and the rack on the outer wall of the workpiece is suitable for squeezing the sponge strip (36) to deform.

8. A clothes drying rack gear detection system as claimed in claim 7, characterized in that: The support plate (32) is provided with a plurality of flow channels in a radial direction, wherein the flow channels are suitable for connecting the sponge strip (36) and the oil storage cylinder (35).

9. A clothes drying rack gear detection system as claimed in claim 8, characterized in that: The transmission part (4) comprises: a driving motor, a driving gear disc being sleeved on the end of the rotating shaft of the driving motor; A positioning plate (41), the positioning plate (41) being vertically fixed on the frame (1), and the positioning plate (41) being arranged on the outside of the positioning ring (31); A linkage shaft (42), the linkage shaft (42) being arranged on the positioning plate (41) in a liftable manner; A driven toothed disc (43) is sleeved on the outer wall of the linkage shaft (42), the driven toothed disc (43) is meshed with the driving toothed disc, and the driven toothed disc (43) is suitable for driving the workpiece to rotate in a circumferential direction.

10. A clothes drying rack gear detection system as claimed in claim 9, characterized in that: The positioning ring (31) is provided with a notch, and a detection plate (37) is slidably arranged in the notch. The detection plate (37) is in an arc shape, and the detection plate (37) is suitable for abutting against a rack on the outer wall of a workpiece.

11. A clothes drying rack gear detection system as claimed in claim 10, characterized in that: A conical block is fixed to the lower end of the lifting ring (341), and the conical block is suitable for squeezing the middle of the support plate (32) to be concave downward.

12. A detection method for a gear detection system, characterized in that: Using a clothes drying rack gear detection system as claimed in any one of claims 1 to 11 comprises the following steps: The movable end of the feeding part (2) clamps the workpiece, and after the workpiece is horizontally moved to the detection part (3), the movable end of the clamping part is suitable for fixing the workpiece on the outer wall of the positioning shaft (33); When the workpiece slides vertically downward along the outer wall of the positioning shaft (33), the rack on the outer wall of the workpiece is adapted to mesh with the driven gear disc (43); The driving motor drives the driven gear disc (43) to rotate, and the driven gear disc (43) is suitable for driving the workpiece to rotate synchronously; the workpiece is suitable for driving the positioning shaft (33) to rotate synchronously in the circumferential direction; During the circumferential rotation of the positioning shaft (33), the lifting ring (341) is adapted to be driven to slide vertically up and down along the outer wall of the positioning shaft (33); The lifting ring (341) can synchronously drive the workpiece to make it slide vertically up and down along the outer wall of the positioning shaft (33); When the thickness of the outer wall of the workpiece is unqualified, the rack on the outer wall of the workpiece is disengaged from the driven gear plate (43), and at this time, the driven gear plate (43) cannot drive the workpiece to continue rotating; and a damper is provided at the lower end of the positioning shaft (33). After the driven gear plate (43) is disengaged from the rack on the outer wall of the workpiece, the damper at the lower end of the positioning shaft (33) is suitable for overcoming the inertia of the workpiece rotation, that is, after the workpiece is disengaged from the driven gear plate (43), the workpiece will not rotate; When the length of the rack on the outer wall of the workpiece exceeds a preset value, the rack on the outer wall of the workpiece can push the detection plate (37) so that the detection plate (37) is separated from the notch.

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