Jeans feeding and discharging device

Abstract

The invention relates to the technical field of jeans production, and discloses a jeans feeding and discharging device which comprises a feeding conveying mechanism and a circulating conveying mechanism, and the feeding conveying mechanism adsorbs and conveys jeans through cooperation of a breathable conveying belt and a suction fan; a clamping part and a sucking part in the positioning assembly cooperatively act to accurately clamp and unfold the waist of the jeans; the circulating conveying mechanism adopts an inflation mold system driven by a chain, and automatic mold sleeving, inflation opening, multi-station machining and discharging of jeans are achieved through positioning of a position sensor, adjustment of an electric push rod and control of an angle adjuster. The device solves the problems of low manual operation efficiency, inaccurate positioning, difficulty in flexible fabric treatment and the like through mechanical positioning, unfolding, conveying and mold matching, the automation degree and the production efficiency of jeans processing are remarkably improved, and the consistency of the processing quality is ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of jeans production, and particularly to a loading and unloading device for jeans. Background Art

[0002] In the production and processing of jeans, the loading and unloading operation is one of the key links affecting the overall production efficiency. Traditional jeans processing (such as quality inspection, printing and spraying, washing treatment, etc.) usually relies on manual labor to complete loading and unloading, that is, workers manually put the jeans on a mold or bracket, and then manually take them off after the processing is completed.

[0003] This mode has the following technical problems:

[0004] 1. Manual operation has low efficiency, which restricts the production rhythm. The waist of the jeans needs to be unfolded and put on the mold, but the manual operation speed is slow and it is difficult to match the high-efficiency rhythm of automated processing equipment. Moreover, workers need to bend down repeatedly and adjust the position of the jeans, resulting in a large labor intensity. Long-term operation is prone to fatigue, further reducing the production efficiency.

[0005] 2. Existing conveyor belts or manipulators are difficult to stably grasp the soft jeans fabric, especially when unfolding the waist, it is easy to slip or deform; and traditional fixed molds cannot adapt to jeans of different sizes or styles, and the molds need to be frequently replaced, increasing the downtime.

[0006] Therefore, we propose a loading and unloading device for jeans to solve the problems in the above background. Summary of the Invention

[0007] The present invention provides a loading and unloading device for jeans, which can solve the problem that in the prior art, the production and processing of jeans usually adopt manual loading and unloading operations, and the existing manipulators are difficult to apply to the complex operations of jeans loading, resulting in the loading and unloading operations of jeans affecting the overall production efficiency.

[0008] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0009] A device for loading and unloading jeans, comprising a conveying table. A positioning component is arranged at one end of the conveying table, and a circulating conveying mechanism is arranged outside the end of the conveying table. Automatic feeding can be carried out between the circulating conveying mechanism and the conveying table. Guide grooves are formed on both sides of the conveying table, and a first electric push rod is fixedly installed inside the guide grooves. The positioning component includes a support frame. The side of the support frame is fixedly connected to the telescopic end of the first electric push rod. A side groove is arranged inside the inner side of the guide groove, and the support frame is slidably connected inside the side groove. A clamping part is arranged at the end of the support frame close to the conveying table, and a suction part is arranged at the end of the support frame far from the conveying table. An inflatable mold for supporting the jeans is arranged on the circulating conveying mechanism. A conveying groove is arranged on the upper part of the conveying table, and a conveyor belt is installed inside the conveying groove. The conveyor belt is a breathable conveyor belt, and a suction fan is installed inside the conveyor belt. The suction fan generates suction on the surface of the conveyor belt through suction.

[0010] Preferably, the support frame is U-shaped, and its U-shaped opening end faces the conveyor belt. The clamping part includes two clamping plates. An adjustment groove is formed at one end of the support frame close to the conveyor belt, and a bidirectional lead screw is installed inside the adjustment groove. The two clamping plates are symmetrically installed on the bidirectional lead screw, and a stepping motor for driving the bidirectional lead screw to rotate is fixedly installed on the support frame.

[0011] Preferably, the suction part includes a suction plate for sucking the jeans fabric and an electric telescopic rod. The housing of the electric telescopic rod is fixedly installed in the middle of the support frame, and the suction plate is fixedly installed at the telescopic end of the electric telescopic rod, and the suction plate is located above the conveyor belt.

[0012] Preferably, the circulating conveying mechanism includes an annular top frame. A support rod is fixedly connected to the outside of the annular top frame. A chain is rotatably connected inside the annular top frame. Sprockets for driving the chain to rotate are arranged at both ends of the annular top frame. At least one driving motor for driving the sprocket to rotate is installed at one end of the annular top frame. A guide rail is arranged below the annular top frame. A plurality of guide wheels are arranged at equal intervals on the side of the chain close to the guide rail, and the guide wheels are slidably arranged inside the guide rail; a stabilizing disc is fixedly connected to the lower end of the guide wheel, and the stabilizing disc is slidably connected below the guide rail. A second electric push rod is fixedly installed on the side of the stabilizing disc far from the guide wheel, and the inflatable mold is installed at the telescopic end of the second electric push rod. An angle adjuster is installed between the inflatable mold and the second electric push rod.

[0013] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0014] The loading and unloading device for jeans of the present invention realizes efficient and automated loading and unloading operations for jeans through ingenious structural design, improving the production and processing efficiency. The conveyor belt provided on the conveyor table generates negative pressure through a suction fan, automatically adsorbs the jeans and stably places them on the conveyor belt. The positioning component in the loading conveyor mechanism identifies the position of the jeans through a position sensor, and then uses a stepper motor and a bidirectional lead screw to clamp the waist of the jeans with a clamping plate, while the electric telescopic rod lifts the upper fabric of the jeans through vacuum adsorption or magnetic attraction to form an asymmetric unfolded state. The electric push rod and the guide wheel system in the circulating conveyor mechanism ensure the smooth movement of the inflatable mold, and the position sensor accurately controls the placement position of the inflatable mold. The inflatable mold is moved to the front of the conveyor table through a sprocket and a chain, and then the height of the inflatable mold is adjusted by a second electric push rod to achieve precise mold fitting. The inflatable mold is inflated and expanded through a two-way air pump, so that it evenly expands the jeans under the action of elasticity, facilitating subsequent processing operations such as quality inspection, printing and spraying. The rotary motor connected to the inflatable mold can adjust the angle according to needs to meet different processing requirements. The entire device greatly improves the production and processing efficiency of jeans by virtue of the automated loading, unfolding, positioning and conveying processes, reduces manual intervention, and ensures the processing quality and consistency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0016] Figure 2 is a schematic diagram of the front side structure of the loading conveyor mechanism of the present invention;

[0017] Figure 3 For the present invention Figure 2 is an enlarged schematic diagram of the structure at A;

[0018] Figure 4 is a schematic diagram of the unfolded structure of the circulating conveyor mechanism of the present invention;

[0019] Figure 5 is a schematic cross-sectional view of the circulating conveyor mechanism of the present invention.

[0020] Wherein: 1. Loading conveyor mechanism; 2. Circulating conveyor mechanism; 11. Conveyor table; 12. Conveyor belt; 13. Support frame; 14. Guide groove; 15. First electric push rod; 16. Clamping plate; 17. Bidirectional lead screw; 18. Side groove; 19. Suction plate; 20. Electric telescopic rod; 21. Ring top frame; 22. Guide rail; 23. Chain; 24. Sprocket; 26. Guide wheel; 27. Stabilizing plate; 28. Second electric push rod; 29. Angle adjuster; 30. Inflatable mold; 31. Support rod; 32. Driving motor; 33. Position sensor. DETAILED DESCRIPTION OF THE INVENTION

[0021] The specific embodiments of the present invention are described in detail below, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.

[0022] Embodiment 1:

[0023] See also Figures 1-5 , the present invention provides a technical solution:

[0024] A jeans loading and unloading device comprises a loading and conveying mechanism 1 and a circulating conveying mechanism 2. The loading and conveying mechanism 1 comprises a conveying platform, one end of which is provided with a positioning assembly, a circulating conveying mechanism 2 is provided on the outer side of the end of the conveying platform, and materials can be automatically loaded between the circulating conveying mechanism 2 and the conveying platform. Guide grooves 14 are provided on both sides of the conveying platform, and a first electric push rod 15 is fixedly installed inside the guide groove 14. The positioning assembly comprises a support frame 13, the side of the support frame 13 is fixedly connected to the telescopic end of the first electric push rod 15, the inner side of the guide groove 14 is provided with a side groove 18, the support frame 13 is slidably connected inside the side groove 18, a clamping portion is provided at the end of the support frame 13 close to the conveying platform, and a suction portion is provided at the end of the support frame 13 away from the conveying platform, and an inflatable mold 30 for supporting jeans is provided on the circulating conveying mechanism 2. A conveying trough is arranged on the upper part of the conveying platform, and a conveying belt 12 is installed inside the conveying trough. The conveying belt 12 is a breathable conveying belt 12, and a suction fan is installed inside the conveying belt 12. The suction fan generates suction on the surface of the conveying belt 12 by sucking air.

[0025] In the above scheme, the jeans are conveyed by the conveyor belt 12, the waist of the jeans faces the conveying direction, the two sides of the waist of the jeans are placed on the two sides of the conveyor belt 12 and suspended inside the side groove 18, and the support frame 13 is equipped with a position sensor 33 facing the conveyor belt 12, and the position of the jeans is identified by the position sensor 33 installed on the support frame 13;

[0026] When the jeans are conveyed to the bottom of the support frame 13, the clamping parts on the support frame 13 are first started to clamp and fix the jeans at the waist on both sides of the side groove 18, and then the suction parts on the support frame 13 are started to suck up the upper side of the jeans, so as to open the waist of the jeans and facilitate the entry of the inflatable mold 30. Then the first electric push rod 15 pushes the support frame 13, and the clamping parts and suction parts on the support frame 13 are pushed toward the inflatable mold 30, so that the jeans are completely covered on the outside of the inflatable mold 30, so as to realize the loading of the jeans, and the jeans are covered on the inflatable mold 30. Then the inflatable mold 30 starts to inflate and expand, so as to open the jeans, which is beneficial to the inspection and testing of the jeans, as well as coloring and spraying, and other processing operations.

[0027] The cyclic transfer mechanism 2 drives the inflatable mold 30 to move. The inflatable mold 30 drives the opened jeans through multiple processes for processing. When the processing is completed, the inflatable mold 30 starts to exhaust and shrink, and the jeans sleeve falls off from the outside of the inflatable mold 30, completing the blanking. Through the above solution, the problem of troublesome manual feeding of jeans is solved, and the processing and production efficiency of jeans is improved.

[0028] The support frame 13 is U-shaped, and the U-shaped opening end faces the conveyor belt 12. The clamping part includes two clamping plates 16. An adjustment groove is opened at one end of the support frame 13 close to the conveyor belt 12. A bidirectional lead screw 17 is installed inside the adjustment groove. The two clamping plates 16 are symmetrically installed on the bidirectional lead screw 17. A stepping motor for driving the bidirectional lead screw 17 to rotate is fixedly installed on the support frame 13.

[0029] The bidirectional lead screw 17 is composed of two symmetric threaded rods welded together. When the stepping motor drives the bidirectional lead screw 17 to rotate, the two clamping plates 16 threadedly connected to the bidirectional lead screw 17 approach or move away from each other along the linear direction of the adjustment groove. When the two clamping plates 16 approach each other, one side of the waist of the jeans is clamped. By clamping the jeans simultaneously with the two clamping parts, positioning clamping is performed on it, facilitating the next step of jeans feeding operation.

[0030] The suction part includes a suction plate 19 for sucking the jeans fabric and an electric telescopic rod 20. The housing of the electric telescopic rod 20 is fixedly installed in the middle of the support frame 13. The suction plate 19 is fixedly installed at the telescopic end of the electric telescopic rod 20, and the suction plate 19 is located above the conveyor belt 12.

[0031] When both sides of the waist of the jeans are clamped and fixed, the suction part fits with one side of the upper part of the jeans and adsorbs it, lifting it upward, thereby opening the waist space of the jeans, which is beneficial for the entry of the inflatable mold 30 that inflates and expands. Then, the first electric push rod 15 pushes the support frame 13, advancing the clamping part and the suction part on the support frame 13 towards the inflatable mold 30, and completely covering the jeans outside the inflatable mold 30.

[0032] The suction plate 19 can adopt the method of vacuum adsorption. The suction plate 19 is set as a vacuum chuck and is connected to a vacuum pump. The electric telescopic rod 20 is used to push the suction plate 19 to fit with the upper side of the waist of the jeans on the conveyor belt 12. The vacuum pump is started, and the suction plate 19 fits and adsorbs with the upper side fabric of the waist of the jeans. The electric telescopic rod 20 starts to contract, and the upper side fabric of the waist of the jeans is lifted by the suction plate 19, thereby opening the waist of the jeans.

[0033] In another embodiment, the suction plate 19 can also adopt the method of vacuum adsorption. The suction plate 19 is set as a permanent magnet, which is attracted to the metal button on the upper part of the waist of the jeans. Thus, the upper side fabric of the waist of the jeans can also be lifted through the above steps, realizing the opening of the waist of the jeans for feeding operation.

[0034] In another embodiment, the cyclic transfer mechanism 2 includes an annular top frame 21. A support rod 31 is fixedly connected to the outside of the annular top frame 21. A chain 23 is rotatably connected inside the annular top frame 21. Sprockets 24 for driving the chain 23 to rotate are arranged at both ends of the annular top frame 21. At least one end of the annular top frame 21 is provided with a drive motor 32 for driving the sprocket 24 to rotate. A guide rail 22 is arranged below the annular top frame 21. A number of guide wheels 26 are equidistantly arranged on one side of the chain 23 close to the guide rail 22. The guide wheels 26 are slidably arranged inside the guide rail 22.

[0035] The drive motor 32 drives the sprocket 24 to rotate, the sprocket 24 drives the chain 23 to rotate cyclically inside the annular top frame 21, and guide wheels 26 are arranged at the bottom of the chain 23, and the guide wheels 26 can smoothly rotate and move inside the guide rail 22. At the same time, the guide rail 22 plays a certain role in supporting the movement of the guide wheels 26. The chain 23 drives a number of guide wheels 26 to rotate cyclically along the guide rail 22.

[0036] Further, a stabilizing plate 27 is fixedly connected to the lower end of the guide wheel 26. The stabilizing plate 27 is slidably connected below the guide rail 22. A second electric push rod 28 is fixedly installed on one side of the stabilizing plate 27 away from the guide wheel 26. The inflatable mold 30 is installed at the telescopic end of the second electric push rod 28. An angle adjuster 29 is installed between the inflatable mold 30 and the second electric push rod 28. Position sensors 33 for detecting the inflatable mold 30 are installed at both ends of the annular top frame 21. The annular top frame 21 is arranged parallel to the direction of the transfer table 11.

[0037] Further, the guide wheel 26 drives the stabilizing plate 27 to rotate. The stabilizing plate 27 slides below the guide rail 22, and its movement stability is strong, reducing the shaking during the movement. The stabilizing plate 27 drives the second electric push rod 28 and the inflatable mold 30 to move.

[0038] In another embodiment, the inflatable mold 30 includes an internal skeleton, the internal skeleton is a bionic bone, a rubber inflatable sleeve is sleeved outside the internal skeleton, and a two-way air pump for inflating or exhausting the rubber inflatable sleeve is installed on the internal skeleton.

[0039] In another embodiment, the annular top frame 21 is oval, a plurality of support rods 31 are provided and are evenly distributed, and the bottom of the support rod 31 is fixedly connected to the ground.

[0040] In another embodiment, the angle adjuster 29 includes a support block fixedly connected to the telescopic end of the second electric push rod 28. A stepping motor is installed inside the support block. A rotating seat is fixedly connected to the rotating shaft of the stepping motor. The rotating seat is U-shaped and rotatably arranged outside the support block. A stable support disk is fixedly connected to the side of the rotating seat away from the support block. A rotating motor is installed on the support disk, and the rotating motor drives the inflatable mold 30 to rotate.

[0041] When loading the jeans, the inflatable mold 30 close to the conveying table is moved to the front of the conveying table. The position of the inflatable mold 30 is detected by the position sensor 33. Commonly used for the position sensor 33 is a laser position sensor 33, and its internal circuit connection is a well-known prior art.

[0042] Then the angle adjuster 29 adjusts the direction of the inflatable mold 30 to make it parallel to the conveying direction of the conveyor belt 12 on the conveying table. The stepping motor drives the rotating seat to rotate, and the rotating seat drives the stable support disk and the connected inflatable mold 30 towards the conveying table. And at this time, the inflatable mold 30 is in a contracted state, which is convenient for loading the jeans.

[0043] The specific process of the above solution is as follows:

[0044] The jeans are conveyed and positioned and captured through the cooperation of the loading conveying mechanism 1 and the positioning assembly.

[0045] The breathable conveyor belt 12 generates negative pressure under the action of the suction fan, so that the laid jeans (waist facing forward) are adsorbed and fixed. The two sides of the waist hang in the side grooves 18, providing space for subsequent clamping.

[0046] Among them, the action process of the positioning assembly: The position sensor 33 on the support frame 13 identifies that the jeans reach the predetermined position. The bidirectional lead screw 17 is driven to rotate by the stepping motor, so that the two clamping plates 16 move towards each other along the adjustment groove, clamping the two sides of the waist of the jeans. Then the electric telescopic rod 20 pushes the suction plate 19 to press down and fit the upper fabric of the jeans, and the fabric is lifted through vacuum adsorption or magnetic attraction to form an open state. Thus, it replaces the operation of manually unfolding the waist of the jeans, accurately positions and mechanically opens the waist, creating conditions for the inflatable mold 30 to enter.

[0047] The loading of the jeans is realized through the linkage cooperation of the circulating conveying mechanism 2 and the inflatable mold 30.

[0048] The drive motor 32 drives the sprocket 24 to rotate, and the chain 23 moves cyclically along the elliptical annular top frame 21. The guide wheel 26 slides in the guide rail 22 to ensure the stable operation of the chain 23.

[0049] The position sensor 33 is used to detect whether the inflatable mold 30 has reached the front of the conveying platform. The stepper motor rotates the inflatable mold 30 through the rotating seat to make it parallel to the direction of the conveyor belt 12 for easy docking.

[0050] 1. Loading stage: The height of the inflatable mold 30 in the contracted state is adjusted by the second electric push rod 28, and the support frame 13 is pushed by the first electric push rod 15 to put the jeans on the outside of the mold.

[0051] 2. Inflation and shaping: The two-way air pump inflates the rubber sleeve to open the jeans for subsequent processing, such as quality inspection, printing and spraying, etc.

[0052] 3. Circular processing: Chain 23 drives the mold to move to each station, and the rotary motor can adjust the angle of the jeans to meet the needs of multiple processes.

[0053] 4. Material unloading stage: The inflatable mold 30 is exhausted and contracted, and the jeans fall off automatically; fully automatic cycle operation is realized, manual intervention is reduced, and processing efficiency and consistency are improved.

[0054] In the above steps, the clamping part cooperates with the suction part to fix the two sides of the jeans waist through the clamping plate 16, and the suction plate 19 is lifted on one side to form an asymmetric expansion to prevent the fabric from slipping.

[0055] The second electric push rod 28 controls the longitudinal displacement of the inflatable mold 30, accurately docking the conveyor platform, and the first electric push rod 15 pushes the support frame 13 to move horizontally to complete the jeans mold. In addition, the guide wheel 26 and the stabilizing plate 27 are combined to offset the shaking of the chain 23 to ensure the smooth movement of the mold.

[0056] Through the above scheme, the problem of low efficiency of manual feeding is solved, and the cumbersome manual operation is replaced by automated transmission, positioning, expansion and mold setting. The jeans are evenly stretched by the inflatable mold 30 to avoid wrinkles, which is conducive to detection and spraying uniformity. The circular conveying mechanism 2 is used to achieve continuous circulation, and the angle adjuster 29 can adjust the angle of the inflatable mold 30 to adapt to different processing angle requirements. The device realizes the mechanization of the entire process of jeans from automatic feeding, processing to unloading through the precise positioning and expansion functions of the feeding conveying mechanism 1, combined with the stable transportation of the circular conveying mechanism 2 and the flexible support of the inflatable mold 30.

[0057] The above disclosures are only several specific embodiments of the present invention. However, the embodiments of the present invention are not limited thereto. Any changes that can be conceived by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. A feeding device for jeans, comprising a conveying table, characterized in that: One end of the conveying table is provided with a positioning assembly. A circulating conveying mechanism (2) is arranged outside the end of the conveying table. The circulating conveying mechanism (2) and the conveying table cooperate to load jeans. Guide grooves (14) are formed on both sides of the conveying table. A first electric push rod (15) is fixedly installed inside the guide grooves (14). The positioning assembly includes a support frame (13). The side of the support frame (13) is fixedly connected to the telescopic end of the first electric push rod (15). An edge groove (18) is arranged inside the inner side of the guide groove (14). The support frame (13) is slidably connected inside the edge groove (18). A clamping part is arranged at the end of the support frame (13) close to the conveying table. A suction part is arranged at the end of the support frame (13) far from the conveying table. An inflatable mold (30) for supporting jeans is arranged on the circulating conveying mechanism (2).

2. The feeding device for jeans according to claim 1, wherein: A conveying groove is arranged on the upper part of the conveying table. A conveyor belt (12) is installed inside the conveying groove. The conveyor belt (12) is a breathable conveyor belt (12). A suction fan is installed inside the conveyor belt (12). The suction fan generates suction on the surface of the conveyor belt (12) through suction.

3. The feeding device for jeans according to claim 1, characterized in that: The support frame (13) is U-shaped, and its U-shaped opening end faces the conveyor belt (12). The clamping part includes two clamping plates (16). An adjustment groove is formed at one end of the support frame (13) close to the conveyor belt (12). A bidirectional lead screw (17) is installed inside the adjustment groove. The two clamping plates (16) are symmetrically installed on the bidirectional lead screw (17). A stepping motor for driving the bidirectional lead screw (17) to rotate is fixedly installed on the support frame (13).

4. The feeding and discharging device for jeans according to claim 3, characterized in that: The suction part includes a suction plate (19) for sucking the jean fabric and an electric telescopic rod (20). The housing of the electric telescopic rod (20) is fixedly installed in the middle of the support frame (13). The suction plate (19) is fixedly installed at the telescopic end of the electric telescopic rod (20), and the suction plate (19) is located above the conveyor belt (12).

5. The feeding device for jeans according to claim 1, characterized in that: The circulating conveying mechanism (2) includes an annular top frame (21). A support rod (31) is fixedly connected to the outside of the annular top frame (21). A chain (23) is rotatably connected inside the annular top frame (21). Sprockets (24) for driving the chain (23) to rotate are arranged at both ends of the annular top frame (21). At least one end of the annular top frame (21) is provided with a driving motor (32) for driving the sprocket (24) to rotate. A guide rail (22) is arranged below the annular top frame (21). A plurality of guide wheels (26) are arranged at equal intervals on the side of the chain (23) close to the guide rail (22). The guide wheels (26) are slidably arranged inside the guide rail (22).

6. The feeding device for jeans according to claim 5, characterized in that: A stabilizing plate (27) is fixedly connected to the lower end of the guide wheel (26). The stabilizing plate (27) is slidably connected below the guide rail (22). A second electric push rod (28) is fixedly installed on one side of the stabilizing plate (27) far from the guide wheel (26). The inflatable mold (30) is installed at the telescopic end of the second electric push rod (28). An angle adjuster (29) is installed between the inflatable mold (30) and the second electric push rod (28).

7. A denim loading and unloading device according to claim 1, characterized in that: The inflatable mold (30) includes an internal skeleton, which is a bionic bone. A rubber inflatable sleeve is sleeved outside the internal skeleton, and a two-way inflator for inflating or exhausting the rubber inflatable sleeve is installed on the internal skeleton.

8. The feeding device for jeans according to claim 6, characterized in that: The annular top frame (21) is oval, and a plurality of support rods (31) are provided and evenly distributed. The bottom of the support rod (31) is fixedly connected to the ground.

9. The feeding device for jeans according to claim 7, characterized in that: The angle adjuster (29) includes a support block fixedly connected to the telescopic end of the second electric push rod (28). A stepping motor is installed inside the support block. A rotating seat is fixedly connected to the rotating shaft of the stepping motor. The rotating seat is U-shaped and rotatably arranged outside the support block. A stable support disk is fixedly connected to the side of the rotating seat away from the support block. A rotary motor is installed on the support disk, and the rotary motor drives the inflatable mold (30) to rotate.

10. A denim loading and unloading device according to claim 9, characterized in that: Position sensors (33) for detecting the inflatable mold (30) are installed at both ends of the annular top frame (21), and the annular top frame (21) is arranged parallel to the direction of the transfer table (11).

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