An automatic lock sleeve assembling machine

Abstract

This invention relates to an automatic screw-locking sleeve assembly machine, comprising a disc base, a shaft fixed at one end at the center of the upper end of the disc base, a turntable located above the disc base and rotatably mounted on the shaft, a plurality of clamping devices evenly distributed in a ring around the turntable axis, a fixed disc located above the turntable and fixedly mounted on the shaft, a first feeding device and a second feeding device fixedly mounted on the fixed disc, a rotating device, a first gear coaxial with the turntable and fixedly mounted thereon, a first motor fixedly mounted on the disc base, a second gear fixedly mounted on the output shaft of the first motor and meshing with the first gear, and a driving device fixedly mounted on the fixed disc; the driving device is used to drive the clamping devices to clamp and fix air conditioning parts, the first feeding device is used to feed the screw sleeve, the second feeding device is used to feed the air conditioning parts, and the rotating device is used to clamp and rotate the screw sleeve to realize the assembly of the screw sleeve and the air conditioning parts.

Description

Technical Field

[0001] This invention relates to the field of mechanical automation, and more specifically to an automatic screw-locking sleeve assembly machine. Background Technology

[0002] After the production of air conditioning parts (such as threaded connectors) is completed, protective sleeves are often installed on their threaded parts to prevent damage to the threads during transportation. However, the following problems exist in the current assembly process of air conditioning parts and sleeves: Clamping and positioning are difficult and the centering accuracy is poor: Air conditioner parts come in various shapes and sizes. Existing clamping devices often require manual placement of the parts in the center and adjustment of a specific angle, which is cumbersome and cannot quickly adapt to parts of different specifications. This results in the subsequent screw sleeves not being accurately aligned, leading to a high assembly failure rate. The overall automated production line is not smooth: there is a lack of effective synchronous drive and connection design between various processes (feeding, clamping, twisting, unloading), which makes it difficult to achieve efficient and stable fully automated assembly production. Summary of the Invention

[0003] The summary section of this application is intended to provide a brief overview of the concepts, which will be described in detail in the detailed description section below. This summary section is not intended to identify key or essential features of the claimed technical solutions, nor is it intended to limit the scope of the claimed technical solutions.

[0004] To address the technical problems mentioned in the background section, some embodiments of this application provide an automatic screw-locking sleeve assembly machine, including a disc base, a shaft fixed at one end at the center of the upper end of the disc base, a turntable located above the disc base and rotatably sleeved on the shaft, a plurality of clamping devices evenly distributed in a ring around the turntable axis, a fixed plate located above the turntable and fixedly sleeved on the shaft, a first feeding device fixed on the fixed plate, a second feeding device located on one side of the first feeding device and fixed on the fixed plate, and a second feeding device located on the first feeding device. On the other side, a rotating device is mounted on a fixed disk, a first gear is coaxial with the turntable and fixed thereon, a first motor is fixed on a disc base, a second gear is fixedly sleeved on the output shaft of the first motor and meshes with the first gear, and a driving device is fixed on the fixed disk; the driving device is used to drive the clamping device to clamp and fix the air conditioning parts, the first feeding device is used to feed the screw sleeve, the second feeding device is used to feed the air conditioning parts, and the rotating device is used to clamp and rotate the screw sleeve to realize the assembly of the screw sleeve and the air conditioning parts.

[0005] Furthermore, the clamping device includes a clamping seat fixedly mounted on the turntable, multiple through holes evenly distributed in a ring around the clamping seat axis, multiple connecting shafts slidably mounted in the multiple through holes, multiple clamping blocks fixedly sleeved on the upper ends of the multiple connecting shafts, a guide disk coaxial with the clamping seat and rotatably mounted thereon, multiple sliding holes corresponding one-to-one with the multiple through holes and mounted on the guide disk, multiple racks corresponding one-to-one with the multiple sliding holes and fixedly mounted on the guide disk, multiple third gears fixedly sleeved on the multiple connecting shafts and meshing with the multiple racks, a first torsion spring fixed at both ends on the connecting shafts and the third gears respectively, a second torsion spring fixed at both ends on the guide disk and the turntable, and multiple spring telescopic rods fixedly mounted on the turntable.

[0006] Furthermore, the clamping device also includes a take-up reel coaxial with and fixed on the guide disc, a fixed plate fixed on the turntable, a pull rope with one end passing through the fixed plate and the other end wound around the take-up reel, a clamping plate fixed at one end of the pull rope, and a first spring sleeved on one end of the pull rope and fixed at both ends to the fixed plate and the clamping plate respectively.

[0007] Furthermore, the first feeding device and the second feeding device have the same structure; the first feeding device includes a hollow tube fixedly mounted on a fixed plate, a material guide rail connected to the hollow tube and fixedly mounted at its upper end, a first cylinder located directly above the hollow tube and fixedly mounted on the fixed plate, four sliding grooves located at the lower end of the hollow tube and equidistantly distributed in a ring around the axis of the hollow tube, four sliding rods respectively slidably mounted on the four sliding grooves, four driven rollers respectively rotatably mounted on the lower ends of the four sliding rods, four extension rods corresponding one-to-one with the four sliding rods and fixedly mounted on one end thereto, and a second spring fixedly mounted on the extension rods and the hollow tube at both ends respectively.

[0008] Furthermore, the rotating device includes a rotating seat rotatably mounted on a fixed disk, a fourth gear fixedly sleeved on the upper end of the rotating seat, a second motor and a second cylinder fixedly mounted on the fixed disk, a fifth gear fixedly sleeved on the output shaft of the second motor and meshing with the fourth gear, a lower pressure rod coaxial with the rotating seat and movably mounted thereon, a moving column coaxial with the lower pressure rod and slidably mounted at its lower end, a third spring fixed at both ends on the moving column and the lower pressure rod respectively, multiple grippers rotatably mounted on the moving column as its axis, multiple rubber blocks fixed at the lower ends of the multiple grippers respectively, and a third torsion spring fixed at both ends on the moving column and the grippers respectively; the telescopic end of the second cylinder is rotatably connected to the upper end of the lower pressure rod.

[0009] Furthermore, the driving device includes a bracket fixed on a fixed plate, a third cylinder fixed through and at the lower end of the bracket, a movable rod with one end movably disposed at the telescopic end of the third cylinder, a C-shaped locking block fixed at the other end of the movable rod, and a fourth spring with its two ends respectively fixed at the telescopic end of the third cylinder and the C-shaped locking block.

[0010] The beneficial effects of this invention are: High degree of automation, improving efficiency and consistency: The rotary indexing (first motor, first gear, second gear) drives multiple clamping devices to pass through the second feeding device (for air conditioning parts), the first feeding device (for screw sleeves), and the rotating device (for screw assembly) in sequence, realizing fully automated assembly line operation; the various devices (drive device, first feeding device, second feeding device, rotating device) are coordinated and controlled, with clear action rhythm, reducing manual intervention and ensuring consistent assembly quality for each product.

[0011] Clamping device: self-aligning, compatible with various specifications of air conditioning parts, no precise positioning required. The drive device pulls the pull rope → take-up reel → guide plate rotates → multiple connecting shafts move closer to each other through multiple sliding holes. At the same time, the rack and pinion cooperate with the third gear to make the clamping block move and rotate at the same time. This process can automatically push air conditioning parts of any position and angle to the center and rotate and clamp them synchronously, without the need for manual alignment.

[0012] Strongly secures without damaging the workpiece: The combined motion of the clamping blocks (translation + rotation) can conform to the shape of the accessory. Combined with the elastic pre-tension of the first torsion spring, the second torsion spring and the spring telescopic rod, it can firmly clamp the part while avoiding hard impact.

[0013] High versatility: Through the sliding range of the coupling in the through hole and the adaptive rotation of the rack and pinion, it can adapt to a variety of air conditioning parts within a certain size range, and there is no need to change the clamps when changing products.

[0014] Feeding Device: A stable and anti-jamming screw sleeve feeding system is employed. The first and second feeding devices utilize a first cylinder pushing mechanism combined with four driven rollers for elastic clamping. The first cylinder pushes the screw sleeve downwards within the hollow tube. The lowest screw sleeve is clamped by the four driven rollers and fitted onto the telescopic end of the spring telescopic rod. As the turntable rotates, the screw sleeve is moved out by the spring telescopic rod, and the driven rollers adaptively open (the second spring compresses), completing a continuous three-step "push-clamp-move" action. This avoids the problems of screw sleeves squeezing against each other or falling off in traditional material channels. The spring telescopic rod serves both as a temporary carrier for the screw sleeves and as a spring-loaded component to lift the finished product after assembly, facilitating subsequent material removal.

[0015] Rotating Mechanism: Floating centering + elastic tightening protects threads. When the lowering rod descends, the moving column first contacts the threaded sleeve, compressing the spring extension rod to generate a reverse thrust. Continued downward pressure compresses the third spring, causing relative displacement between the lowering rod and the moving column, thus pushing multiple grippers inward. This process achieves self-adaptive centering and clamping of the threaded sleeve, with the clamping force controlled by the spring, preventing damage to the sleeve surface. During tightening, the second motor drives the rotating seat to rotate the grippers, while the lowering rod continues to press down, allowing the sleeve to rotate while assembling with the air conditioning component. Because the entire rotating mechanism has axial floating (third spring) and radial centering capabilities, even with minor deviations in the threads of the sleeve or component, it can be smoothly screwed in, avoiding thread damage caused by rigid tightening. After assembly, the lowering rod rises, and the grippers automatically reset and disengage from the sleeve under the action of the third torsion spring, without lifting the workpiece.

[0016] Drive mechanism: The third cylinder pulls the clamping plate through the C-shaped clamping block, causing the clamping device to move; when the clamping block has clamped the air conditioning part (the guide plate stops rotating), the pull rope stops moving and the clamping plate stops. At this time, the telescopic end of the third cylinder continues to move but will produce relative displacement with the moving rod. The fourth spring design avoids applying excessive tension to the clamping mechanism and damaging the part or mechanism, while also allowing the third cylinder to be adapted to clamping strokes of different sizes of parts.

[0017] The overall structure is compact and the operation is continuous and reliable: all devices are integrated on a coaxial layout consisting of a disc base, a turntable, and a fixed disc, which maximizes space utilization; each rotation of the turntable (the distance between adjacent clamping devices) completes the processing of one station. The three main stations (air conditioning parts loading, screw sleeve loading, and screw assembly) work in conjunction, resulting in a fast production cycle; the finally assembled air conditioning parts are equipped with protective screw sleeves, which effectively prevents subsequent thread wear or collisions and improves product quality. Attached Figure Description

[0018] The accompanying drawings, which form part of this application, are used to provide a further understanding of the application and to make other features, objects, and advantages of the application more apparent. The illustrative embodiments and descriptions of this application are used to explain the application and do not constitute an undue limitation of the application.

[0019] Furthermore, throughout the accompanying drawings, the same or similar reference numerals denote the same or similar elements. It should be understood that the drawings are schematic, and the elements are not necessarily drawn to scale.

[0020] In the attached diagram: Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 for Figure 1 Enlarged view of point A in the image; Figure 3 for Figure 1 Enlarged view of point D in the image; Figure 4 This is a front view of the present invention; Figure 5 for Figure 4 The structural cross-sectional view of line AA in the diagram; Figure 6 for Figure 5 Enlarged view of point C in the image; Figure 7 for Figure 4 A partial sectional view of the BB line in the diagram; Figure 8 for Figure 4 A partial sectional view of the CC line in the diagram; Figure 9 for Figure 4 A structural cross-sectional view of the DD line in the diagram; Figure 10 for Figure 9 Enlarged view of point B in the image; Figure 11 for Figure 4 A partial sectional view of the EE line in the diagram.

[0021] The annotations in the attached figures are explained as follows: 1. Disc base; 2. Shaft; 3. Turntable; 4. Clamping device; 41. Clamping seat; 42. Through hole; 43. Coupling shaft; 44. Clamping block; 45. Guide disc; 46. Sliding hole; 47. Rack; 48. Third gear; 49. First torsion spring; 410. Second torsion spring; 420. Take-up reel; 430. Fixing plate; 440. Pull rope; 450. Clamping plate; 460. First spring; 470. Spring telescopic rod; 5. Fixing disc; 6. First feeding device; 61. Hollow tube; 62. Material guide rail; 63. First cylinder; 64. Slide groove; 65. Slide rod; 66. 67. Driven roller; 68. Extension rod; 7. Second spring; 89. Second feeding device; 80. Rotating device; 81. Rotating seat; 82. Fourth gear; 83. Second motor; 84. Second cylinder; 85. Fifth gear; 86. Pressing rod; 87. Moving column; 88. Third spring; 89. Gripper; 810. Rubber block; 820. Third torsion spring; 9. First gear; 10. First motor; 11. Second gear; 12. Drive device; 121. Bracket; 122. Third cylinder; 123. Moving rod; 124. C-shaped locking block; 125. Fourth spring. Detailed Implementation

[0022] Embodiments of this disclosure will now be described in more detail with reference to the accompanying drawings. While some embodiments of this disclosure are shown in the drawings, it should be understood that this disclosure can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of this disclosure. It should be understood that the accompanying drawings and embodiments of this disclosure are for illustrative purposes only and are not intended to limit the scope of protection of this disclosure.

[0023] It should also be noted that, for ease of description, only the parts relevant to the invention are shown in the accompanying drawings. Unless otherwise specified, the embodiments and features described in this disclosure can be combined with each other.

[0024] It should be noted that the concepts of "first" and "second" mentioned in this disclosure are used only to distinguish different devices, modules or units, and are not used to limit the order of functions performed by these devices, modules or units or their interdependencies.

[0025] It should be noted that the terms "a" and "a plurality of" used in this disclosure are illustrative rather than restrictive, and those skilled in the art should understand that, unless otherwise expressly indicated in the context, they should be understood as "one or more".

[0026] This disclosure will now be described in detail with reference to the accompanying drawings and embodiments.

[0027] Reference Figures 1-11 As shown, the automatic screw-locking sleeve assembly machine of the present invention includes a disc base 1, a shaft 2 fixed at one end at the center of the upper end of the disc base 1, a turntable 3 located above the disc base 1 and rotatably sleeved on the shaft 2, a plurality of clamping devices 4 equidistantly distributed in a ring on the turntable 3 around the axis of the turntable 3, a fixed plate 5 located above the turntable 3 and fixedly sleeved on the shaft 2, a first feeding device 6 fixed on the fixed plate 5, a second feeding device 7 located on one side of the first feeding device 6 and fixed on the fixed plate 5, and a rotating device 7 located on the other side of the first feeding device 6 and mounted on the fixed plate 5. The device includes a rotating device 8, a first gear 9 coaxial with and fixed on the turntable 3, a first motor 10 fixed on the disc base 1, a second gear 11 fixedly sleeved on the output shaft of the first motor 10 and meshing with the first gear 9, and a driving device 12 fixed on the fixed disc 5. The driving device 12 is used to drive the clamping device 4 to clamp and fix the air conditioning parts, the first feeding device 6 is used to feed the screw sleeve, the second feeding device 7 is used to feed the air conditioning parts, and the rotating device 8 is used to clamp and rotate the screw sleeve to realize the assembly of the screw sleeve and the air conditioning parts. First, the air conditioning parts are fed through the second feeding device 7. After feeding, the first motor 10 is started, causing the second gear 11 to rotate, which in turn drives the first gear 9 to rotate. The first gear 9 drives the turntable 3 to rotate one increment, which is the distance between adjacent clamping devices 4. The turntable 3 rotates to the first feeding device 6, where the screw sleeve is fed. Then, the first motor 10 drives the turntable 3 to rotate one increment, moving the screw sleeve and air conditioning parts to the rotating device 8. The driving device 12 drives the clamping device 4, which clamps and fixes the air conditioning parts. The rotating device 8 is then started, clamping and rotating the screw sleeve. Finally, the screw sleeve and air conditioning parts are assembled. Assembling the screw sleeve protects the threads on the air conditioning parts.

[0028] Further, the clamping device 4 includes a clamping seat 41 fixedly mounted on the turntable 3, a plurality of through holes 42 equidistantly and annularly distributed around the axis of the clamping seat 41, a plurality of connecting shafts 43 slidably disposed within the plurality of through holes 42, a plurality of clamping blocks 44 fixedly sleeved on the upper ends of the plurality of connecting shafts 43, a guide plate 45 coaxial with the clamping seat 41 and rotatably mounted thereon, a plurality of sliding holes 46 corresponding one-to-one with the plurality of through holes 42 and disposed on the guide plate 45, and a plurality of sliding holes 46 corresponding one-to-one with the plurality of sliding holes 46. The device includes multiple racks 47 fixedly mounted on the guide plate 45, multiple third gears 48 fixedly mounted on multiple connecting shafts 43 and meshing with the racks 47, a first torsion spring 49 fixed at both ends on the connecting shafts 43 and the third gears 48, a second torsion spring 410 fixed at both ends on the guide plate 45 and the turntable 3, and multiple spring telescopic rods 470 fixed on the turntable 3; a spring telescopic rod is fixed on the turntable corresponding to the center position of each clamping device. The clamping device 4 also includes a take-up reel 420 coaxial with and fixed on the guide plate 45, a fixing plate 430 fixed on the turntable 3, a pull rope 440 with one end passing through the fixing plate 430 and the other end wound around the take-up reel 420, a clamping plate 450 fixed at one end of the pull rope 440, and a first spring 460 sleeved at one end of the pull rope 440 and fixed at both ends on the fixing plate 430 and the clamping plate 450 respectively. Start the drive device 12, drive the clamping plate 450 to move away from the fixed plate 430, pull one end of the pull rope 440 to move, the first spring 460 extends, after the pull rope 440 is pulled, it drives the take-up reel 420 to rotate, causing the take-up reel 420 to drive the guide plate 45 to rotate, causing the second torsion spring 410 to twist. Through the multiple sliding holes 46 on the guide plate 45, multiple connecting shafts 43 move along the multiple through holes 42 respectively. The multiple connecting shafts 43 move closer to each other. At the same time, through the rack 47 and the third gear 48, the connecting shafts 43 move and rotate at the same time, so that the multiple clamping blocks 44 move closer to each other. The air conditioning components are rotated, and multiple clamping blocks 44 move and rotate synchronously to clamp and fix the air conditioning components, and center the air conditioning components for easy subsequent assembly with the screw sleeve. During the rotation of the connecting shaft 43, the first torsion spring 49 self-adaptively torsional. Through the above settings, air conditioning components of various specifications can be clamped and fixed, and the fixing of air conditioning components is quick. Through the setting of the clamping block 44, the air conditioning components can be pushed to self-adaptively rotate and move during the clamping process, that is, it is not necessary to place the air conditioning components in the exact center of the clamping device 4, nor is it necessary to consider the angle of the air conditioning components, making the overall fixing operation convenient, firm, and highly versatile.

[0029] Furthermore, the first feeding device 6 and the second feeding device 7 have the same structure; the first feeding device 6 includes a hollow tube 61 that is fixedly mounted on the fixed plate 5, a material guide rail 62 that is connected to the hollow tube 61 and fixedly mounted at its upper end, a first cylinder 63 that is located directly above the hollow tube 61 and fixedly mounted on the fixed plate 5, four sliding grooves 64 that are located at the lower end of the hollow tube 61 and are equidistantly distributed in a ring around the axis of the hollow tube 61, four sliding rods 65 that are slidably mounted on the four sliding grooves 64, four driven rollers 66 that are rotatably mounted on the lower ends of the four sliding rods 65, four extension rods 67 that correspond one-to-one with the four sliding rods 65 and are fixedly mounted on one end thereto, and a second spring 68 that is fixedly mounted on the extension rods 67 and the hollow tube 61 at both ends respectively; Multiple threaded sleeves are placed on the material guide rail 62 and inside the hollow tube 61. The first cylinder 63 is activated, and the telescopic rod of the first cylinder 63 extends, pushing the threaded sleeve at the top of the hollow tube 61 downward. This threaded sleeve pushes the threaded sleeves in the remaining hollow tubes 61 downward, finally pushing the threaded sleeve at the bottom of the hollow tube 61 to the four driven rollers 66. Through the arrangement of four sliding rods 65, four driven rollers 66, four extension rods 67, and four corresponding second springs 68, the four driven rollers 66 can clamp the bottom threaded sleeve, and at the same time, the threaded sleeve is fitted onto the telescopic end of the spring telescopic rod 470. When the turntable 3 rotates, it drives the spring telescopic rod 470 to rotate together, thereby driving the threaded sleeve to revolve together, so that the threaded sleeve moves out from the four driven rollers 66. The four extension rods 67 and the four driven rollers 66 move in an adaptive manner, and the second springs 68 extend and retract in an adaptive manner, completing the feeding of the threaded sleeve.

[0030] Further, the rotating device 8 includes a rotating seat 81 rotatably mounted on the fixed disk 5, a fourth gear 82 fixedly sleeved on the upper end of the rotating seat 81, a second motor 83 and a second cylinder 84 fixedly mounted on the fixed disk 5, a fifth gear 85 fixedly sleeved on the output shaft of the second motor 83 and meshing with the fourth gear 82, a lower pressure rod 86 coaxial with the rotating seat 81 and movably mounted thereon, a moving column 87 coaxial with the lower pressure rod 86 and slidably mounted at its lower end, a third spring 88 fixed at both ends of the moving column 87 and the lower pressure rod 86 respectively, a plurality of grippers 89 rotatably mounted on the moving column 87 as its axis, a plurality of rubber blocks 810 fixed at the lower ends of the plurality of grippers 89 respectively, and a third torsion spring 820 fixed at both ends of the moving column 87 and the grippers 89 respectively; the telescopic end of the second cylinder 84 is rotatably connected to the upper end of the lower pressure rod 86. The second cylinder 84 is activated, causing the lowering rod 86 to descend. This moves the moving column 87 at the lower end of the lowering rod 86, bringing it into contact with the screw sleeve. As the moving column 87 continues to descend, the spring telescopic rod 470 is compressed, generating a reverse thrust on the screw sleeve. When this reverse thrust exceeds the elastic force of the third spring 88, the third spring 88 is compressed, causing displacement between the moving column 87 and the lowering rod 86. The lowering rod 86 pushes one end of the multiple grippers 89, causing them to rotate. The other ends of the grippers 89 then exert a force against the screw sleeve, clamping and fixing it, and centering it so that it is directly above the air conditioning component. The lowering rod 86 continues to descend, and simultaneously the second motor 83 is activated. 3 drives the fifth gear 85 to rotate, which in turn drives the fourth gear 82 to rotate. The fourth gear 82 then drives the lowering rod 86 to rotate, ultimately causing the screw sleeve to rotate. This causes the screw sleeve to descend and rotate simultaneously, eventually screwing it into the air conditioning component, completing the assembly of the air conditioning component and the screw sleeve. This setup can accommodate the rotation of screw sleeves of various specifications. Once the screw sleeve and air conditioning component are assembled, the second cylinder 84 simply drives the lowering rod 86 to rise and reset, disengaging the screw sleeve from the rotating device 8. After the clamping device 4 releases its grip on the air conditioning component, the assembled air conditioning component and screw sleeve rise together via the spring telescopic rod 470, facilitating subsequent material handling. The subsequent material handling can be performed using a robotic arm.

[0031] Furthermore, the drive device 12 includes a bracket 121 fixed on the fixed plate 5, a third cylinder 122 fixed through and fixed at the lower end of the bracket 121, a moving rod 123 movably disposed at one end at the telescopic end of the third cylinder 122, a C-shaped locking block 124 fixed at the other end of the moving rod 123, and a fourth spring 125 fixed at both ends on the telescopic end of the third cylinder 122 and the C-shaped locking block 124 respectively. The third cylinder 122 is activated, pulling the C-shaped locking block 124 away from the fixed plate 430. The C-shaped locking block 124 engages with the clamping plate 450 and moves the clamping plate 450 together, thereby pulling one end of the pull rope 440. Through the setting of the moving rod 123 and the fourth spring 125, the moving rod 123 moves adaptively and the fourth spring 125 extends adaptively. That is, when the clamping block 44 clamps the air conditioner accessory, the guide plate 45 stops rotating, causing the take-up reel 420 to stop rotating, and finally the pull rope 440 stops unwinding. That is, the clamping plate 450 stops moving, and the moving rod 123 and the C-shaped locking block 124 stop moving. When the third cylinder 122 continues to drive, the extension end of the third cylinder 122 and the moving rod 123 generate relative displacement. Thus, the driving device 12 can cooperate with the clamping device 4 to clamp and fix air conditioner accessories of various specifications.

[0032] The above description is merely a selection of preferred embodiments of this disclosure and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of the invention involved in the embodiments of this disclosure is not limited to technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the above-described inventive concept. For example, technical solutions formed by substituting the above-described features with (but not limited to) technical features with similar functions disclosed in the embodiments of this disclosure.

Claims

1. An automatic screw-locking sleeve assembly machine, characterized in that: The device includes a disc base, a shaft fixed at one end at the center of the upper end of the disc base, a turntable located above the disc base and rotatably sleeved on the shaft, multiple clamping devices evenly distributed in a ring around the turntable axis, a fixed plate located above the turntable and fixedly sleeved on the shaft, a first feeding device fixedly mounted on the fixed plate, a second feeding device located on one side of the first feeding device and fixedly mounted on the fixed plate, a rotating device located on the other side of the first feeding device and mounted on the fixed plate, a first gear coaxial with the turntable and fixedly mounted thereon, a first motor fixedly mounted on the disc base, a second gear fixedly sleeved on the output shaft of the first motor and meshing with the first gear, and a driving device fixedly mounted on the fixed plate. The driving device is used to drive the clamping devices to clamp and fix the air conditioning parts, the first feeding device is used to feed the screw sleeve, the second feeding device is used to feed the air conditioning parts, and the rotating device is used to clamp and rotate the screw sleeve to achieve the assembly of the screw sleeve and the air conditioning parts.

2. The automatic screw-locking sleeve assembly machine according to claim 1, characterized in that: The clamping device includes a clamping seat fixedly mounted on a turntable, multiple through holes evenly distributed in a ring around the clamping seat axis, multiple connecting shafts slidably mounted in the multiple through holes, multiple clamping blocks fixedly sleeved on the upper ends of the multiple connecting shafts, a guide disk coaxial with the clamping seat and rotatably mounted thereon, multiple sliding holes corresponding one-to-one with the multiple through holes and mounted on the guide disk, multiple racks corresponding one-to-one with the multiple sliding holes and fixedly mounted on the guide disk, multiple third gears fixedly sleeved on the multiple connecting shafts and meshing with the multiple racks, a first torsion spring fixed at both ends on the connecting shafts and the third gears respectively, a second torsion spring fixed at both ends on the guide disk and the turntable, and multiple spring telescopic rods fixedly mounted on the turntable.

3. The automatic screw-locking sleeve assembly machine according to claim 2, characterized in that: The clamping device further includes a take-up reel coaxial with and fixed on the guide plate, a fixed plate fixed on the turntable, a pull rope with one end passing through the fixed plate and the other end wrapped around the take-up reel, a clamping plate fixed at one end of the pull rope, and a first spring sleeved at one end of the pull rope and fixed at both ends to the fixed plate and the clamping plate respectively.

4. The automatic screw-locking sleeve assembly machine according to claim 1, characterized in that: The first feeding device and the second feeding device have the same structure; the first feeding device includes a hollow tube fixedly mounted on a fixed plate, a material guide rail connected to the hollow tube and fixedly mounted at its upper end, a first cylinder located directly above the hollow tube and fixedly mounted on the fixed plate, four sliding grooves located at the lower end of the hollow tube and equidistantly distributed in a ring around the axis of the hollow tube, four sliding rods respectively slidably mounted on the four sliding grooves, four driven rollers respectively rotatably mounted on the lower ends of the four sliding rods, four extension rods corresponding one-to-one with the four sliding rods and fixedly mounted at one end thereon, and a second spring fixedly mounted at both ends on the extension rods and the hollow tube respectively.

5. An automatic screw-locking sleeve assembly machine according to claim 1, characterized in that: The rotating device includes a rotating seat rotatably mounted on a fixed disk, a fourth gear fixedly sleeved on the upper end of the rotating seat, a second motor and a second cylinder fixedly mounted on the fixed disk, a fifth gear fixedly sleeved on the output shaft of the second motor and meshing with the fourth gear, a lower pressure rod coaxial with the rotating seat and movably mounted therethrough, a moving column coaxial with the lower pressure rod and slidably mounted at its lower end, a third spring fixed at both ends on the moving column and the lower pressure rod respectively, multiple grippers rotatably mounted on the moving column as its axis, multiple rubber blocks fixed at the lower ends of the multiple grippers respectively, and a third torsion spring fixed at both ends on the moving column and the grippers respectively; the telescopic end of the second cylinder is rotatably connected to the upper end of the lower pressure rod.

6. An automatic screw-locking sleeve assembly machine according to claim 1, characterized in that: The driving device includes a bracket fixed on a fixed plate, a third cylinder fixed through and at the lower end of the bracket, a movable rod with one end movably located at the telescopic end of the third cylinder, a C-shaped locking block fixed at the other end of the movable rod, and a fourth spring with its two ends fixed to the telescopic end of the third cylinder and the C-shaped locking block, respectively.

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