Extension tube feeding mechanism

Abstract

The present invention discloses an extended tube feeding mechanism, including a feeding mechanism, a positioning and lifting mechanism, a feeding mechanism, a rotating mechanism and a needle guide mechanism, wherein the feeding mechanism includes a feeding frame, a feeding and straightening translation cylinder, a feeding and straightening guide clamp, a feeding transfer clamp, a flap, a rotating shaft and a flip translation cylinder, wherein the positioning and lifting mechanism includes a lifting cylinder, a lifting frame, a first guide pin, a positioning frame and a siliconized clamp, wherein the feeding mechanism includes a feeding seat, a first linear guide rail, a feeding and straightening cylinder, a feeding and moving plate, a servo linear module, a feeding and feeding seat and a feeding and feeding clamp, wherein the needle guide mechanism includes a needle guide seat, a second linear guide rail, a needle guide translation cylinder, a needle translation seat and a needle guide clamp. The present invention has a simple structure, adopts automatic control and conveying, effectively realizes the precise conveying of the extended tube, has a fast and stable feeding and assembly function, effectively saves human resources and improves production capacity.

Description

Technical Field

[0001] The invention relates to an extension tube feeding mechanism. Background Art

[0002] With the rise and development of indwelling needle products, the demand for indwelling needles in medical treatment is increasing due to their advanced functions and advantages. However, the production process of indwelling needle related products is relatively complex and demanding. At present, in the domestic institutions for assembling indwelling needle extension tube components, due to the characteristics of the product itself, the posture is different, the material separation and feeding are very unstable, and the extension tube material separation has always been a difficult problem to solve in this industry. Summary of the invention

[0003] The purpose of the present invention is to provide an extension tube feeding mechanism which has a simple structure, adopts automatic control and conveying, effectively realizes the precise conveying of the extension tube, has the function of fast and stable feeding and assembly, effectively saves human resources, and improves production capacity.

[0004] The technical solution of the present invention is to provide an extended tube feeding mechanism, including a feeding mechanism, a positioning and lifting mechanism, a feeding mechanism, a rotating mechanism and a needle guide mechanism, wherein the feeding mechanism, the positioning and lifting mechanism, the rotating mechanism and the needle guide mechanism are arranged in sequence, and the feeding mechanism includes a feeding rack, a feeding and straightening translation cylinder, a feeding and straightening guide clamp, a feeding and straightening transfer clamp, a flap, a rotating shaft and a flip translation cylinder, the feeding rack is arranged in a U-shaped structure and the connecting surfaces are arranged perpendicular to each other, the feeding and straightening translation cylinder is arranged horizontally at the inner bottom of the U-shaped structure of the feeding rack, the feeding and straightening guide clamp is arranged horizontally and is arranged on the feeding and straightening guide clamp through a feeding and straightening translation block. On the driving end of the positive translation cylinder, the flap is transversely arranged on both sides of the opening end of the material picking rack through a rotating shaft and performs a 180° flipping movement around the rotating shaft. The lower surface of the flap is transversely provided with a material picking transfer clamp corresponding to the material picking straightening guide clamp up and down. One end of the rotating shaft is protrudingly arranged on the outside of the material picking rack and a gear is correspondingly arranged. The flip translation cylinder is transversely arranged on the outer side wall of the material picking rack and the driving end is provided with a rack and gear meshing transmission. The positioning jacking mechanism includes a jacking cylinder, a jacking frame, a first guide pin, a positioning frame and a siliconized clamp. The jacking cylinder is longitudinally arranged and the upper piston end is provided with a jacking frame. The first guide pin is longitudinally arranged on the jacking frame. The positioning frame is arranged on one side of the lifting frame, and the siliconized clamping claw is horizontally arranged on the top of the positioning frame. The feeding mechanism includes a feeding seat, a first linear guide rail, a feeding translation cylinder, a feeding moving plate, a servo linear module, a feeding and picking seat and a feeding and picking clamping claw. The feeding seat is longitudinally arranged on one side of the positioning and lifting mechanism, and the first linear guide rail is horizontally arranged on the top of the feeding seat. The feeding translation cylinder is horizontally arranged on one side of the first linear guide rail and the piston end is fixed correspondingly to the feeding moving plate longitudinally arranged on the first linear guide rail. The servo linear module is longitudinally arranged on the surface of the feeding moving plate. The feeding and picking seat is arranged on the servo linear module and driven accordingly. The material picking clamp is longitudinally arranged on one side of the material loading and picking seat, the rotating mechanism includes a rotating disk and a second guide pin, the rotating disk is arranged on one side of the positioning and lifting mechanism and a second guide pin is longitudinally arranged on the surface, the needle supporting guide mechanism includes a needle supporting guide seat, a second linear guide rail, a needle supporting guide translation cylinder, a needle supporting translation seat and a needle supporting guide clamp, the needle supporting guide seat is arranged on one side of the rotating disk, the second linear guide rail is transversely arranged on the needle supporting guide seat, the needle supporting guide translation cylinder is transversely arranged on one side of the needle supporting guide seat and the piston end is fixed correspondingly to the needle supporting translation seat transversely arranged on the second linear guide, and the needle supporting guide clamp is transversely arranged on the needle supporting translation seat.

[0005] In a preferred embodiment of the present invention, a plurality of material picking and straightening guide clamps are arranged at intervals on the material picking translation block.

[0006] In a preferred embodiment of the present invention, the material taking transfer jaws are provided with a plurality of jaws corresponding one to one with the straightening guide jaws.

[0007] In a preferred embodiment of the present invention, a limiting guide wheel is correspondingly arranged on the outer side wall of the material taking rack below the rack.

[0008] In a preferred embodiment of the present invention, a plurality of first guide pins are arranged at intervals and correspond one to one with the material transfer clamps on the flap after turning over 180°.

[0009] In a preferred embodiment of the present invention, a plurality of siliconized clamping jaws are arranged at intervals and correspond one to one with the first guide pins.

[0010] In a preferred embodiment of the present invention, a plurality of the material loading and retrieving clamps are arranged at intervals and correspond one to one with the first guide pins.

[0011] In a preferred embodiment of the present invention, a plurality of second guide pins are arranged at intervals and correspond one to one with the material loading and retrieving clamps.

[0012] In a preferred embodiment of the present invention, the needle guide clamps are arranged in a plurality of intervally distributed manners corresponding to the second guide pins.

[0013] The present invention discloses an extension tube feeding mechanism, which has a simple structure, adopts automatic control and conveying, effectively realizes the precise conveying of the extension tube, has a fast and stable feeding and assembling function, effectively saves human resources, and improves production capacity. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a stereoscopic diagram of a preferred embodiment of an extension tube feeding mechanism of the present invention. DETAILED DESCRIPTION

[0015] The preferred embodiments of the present invention are described in detail below so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0016] The present invention is an extension tube feeding mechanism, such as Figure 1 As shown, it includes a material picking mechanism, a positioning and lifting mechanism, a feeding mechanism, a rotating mechanism and a needle supporting and guiding mechanism, and the material picking mechanism, the positioning and lifting mechanism, the rotating mechanism and the needle supporting and guiding mechanism are arranged in sequence.

[0017] The material picking mechanism includes a picking frame 1, a picking and straightening translation cylinder 2, a picking and straightening guide clamp 3, a picking and transferring clamp 4, a flap 5, a rotating shaft 6 and a flipping and translation cylinder 7. The picking frame 1 is arranged in a U-shaped structure and the connecting surfaces are arranged perpendicular to each other to facilitate the installation of various components. The picking and straightening translation cylinder 2 is horizontally arranged at the bottom of the inner side of the U-shaped structure of the picking frame 1 to provide a horizontal driving force. The picking and straightening guide clamp 3 is arranged in multiple horizontal intervals and is arranged on the driving end of the picking and straightening translation cylinder 2 through a picking and straightening translation block 8. The picking and straightening translation cylinder 2 drives the picking and straightening guide clamp 3 to move forward and clamp the straightening extension tube 9. The flap 5 is horizontally arranged on both sides of the opening end of the picking frame 1 through a rotating shaft 6 and performs a 180° flipping movement around the rotating shaft 5 to adjust the positions of various components on the flap 5. The lower surface of the flap 5 is provided with a plurality of material transfer jaws 4 arranged at intervals in a horizontal direction, corresponding to the material straightening guide jaws, so as to realize the material taking of each extension tube. One end of the rotating shaft 6 is protrudingly arranged on the outside of the material taking frame 1 and is correspondingly provided with a gear 10 for easy meshing. The flipping and translation cylinder 7 is arranged horizontally on the outer side wall of the material taking frame 1 and is provided with a rack 11 at the driving end to mesh with the gear 10 for transmission. The flipping and translation cylinder 7 is extended and retracted to drive the flap 5 to rotate. The extension and retraction distance of the flipping and translation cylinder 7 is calculated according to the stroke required for the flap 5 to flip 180°. A limit guide wheel 12 is correspondingly provided below the rack 11 on the outer side wall of the material taking frame 1 to ensure the stability of the horizontal movement of the rack 11.

[0018] The positioning and lifting mechanism includes a lifting cylinder 13, a lifting frame 14, a first guide pin 15, a positioning frame 16 and a siliconized clamp 17. The lifting cylinder 13 is arranged longitudinally and the lifting frame 14 is arranged at the upper piston end. The lifting frame 14 is lifted and lowered by the lifting cylinder 13. The lifting frame 4 is longitudinally provided with a plurality of first guide pins 15 distributed at intervals and arranged one-to-one with the material transfer clamp 4 on the flap 5 after 180° flipping, so that the first guide pin 15 can position and transfer the extension tube 9 on the material transfer clamp 4 respectively. The positioning frame 16 is arranged on one side of the lifting frame 14. The top of the positioning frame 16 is horizontally spaced and provided with a plurality of siliconized clamps 17 corresponding to the first guide pin 15. Before the extension tube 9 and the first guide pin 15 are inserted and positioned, the first guide pin 15 is first clamped by the siliconized clamp 17 for positioning, so as to facilitate the subsequent lifting of the first guide pin 15 into the extension tube 9.

[0019] The feeding mechanism includes a feeding seat 18, a first linear guide 19, a feeding translation cylinder 20, a feeding moving plate 21, a servo linear module 22, a feeding and picking seat 23 and a feeding and picking clamp 24. The feeding seat 18 is longitudinally arranged on one side of the positioning and lifting mechanism to facilitate the coordination of various components. The first linear guide 19 is transversely arranged on the top of the feeding seat 18 for the movement and positioning of the feeding moving plate 21. The feeding translation cylinder 20 is transversely arranged on one side of the first linear guide 19 and the piston end is fixed correspondingly to the feeding moving plate 21. The feeding translation cylinder 20 realizes the transverse movement of the feeding moving plate 21. The servo linear module 22 is longitudinally arranged on the surface of the feeding moving plate 21 to facilitate the transverse movement of the servo linear module 22. The feeding and picking seat 23 is arranged on the servo linear module 22 and driven accordingly to realize the longitudinal movement of the feeding and picking seat 23. A plurality of loading and fetching clamping claws 24 are arranged at intervals on one side of the loading and fetching seat, and are arranged one-to-one corresponding to the first guide pin 15 , so that the loading and fetching clamping claws 24 can clamp the extension tube 9 on the first guide pin 15 .

[0020] The rotating mechanism includes a rotating disk 25 and a second guide pin 26. The rotating disk 25 is arranged on the material dividing mechanism and is located on one side of the positioning and lifting mechanism. A plurality of second guide pins 26 are longitudinally spaced and arranged on the surface of the rotating disk 25 in one-to-one correspondence with the feeding and picking clamps 24. The feeding and picking clamps 24 insert the clamped extension tubes into the second guide pins 26 for transfer.

[0021] The needle guide mechanism includes a needle guide seat 27, a second linear guide rail 28, a needle guide translation cylinder 29, a needle guide translation seat 30 and a needle guide clamp 31. The needle guide seat 27 is arranged on one side of the rotating disk to facilitate the corresponding arrangement of various components. The second linear guide rail 28 is arranged horizontally on the needle guide seat 27, the needle guide translation cylinder 29 is arranged horizontally on one side of the needle guide seat 27, and the piston end is correspondingly fixed to the needle guide translation seat 30 arranged horizontally on the second linear guide rail 28, and the horizontal movement of the needle guide translation seat 30 is realized by the needle guide translation cylinder 29. A plurality of needle guide clamps 31 are arranged on the needle guide translation seat 30 at intervals and correspond to the second guide pin 26. When the extension tube 9 clamped by the feeding and picking clamp 24 is inserted into the second guide pin 26, the needle guide clamp 31 is driven by the needle guide translation cylinder 29 to straighten the second guide pin 26 to facilitate the accurate insertion of the extension tube 9.

[0022] The material picking frame 1, the material picking and straightening translation cylinder 2, the material picking and straightening guide clamp 3, the material picking transfer clamp 4, the flap 5, the rotating shaft 6 and the flip translation cylinder 7, the lifting cylinder 13, the lifting frame 14, the first guide pin 15, the positioning frame 16 and the siliconized clamp 17, the material loading seat 18, the first linear guide rail 19, the material loading and straightening cylinder 20, the material loading moving plate 21, the servo linear module 22, the material loading and picking seat 23 and the material loading and picking clamp 24, the rotating disk 25 and the second guide pin 26, the needle guide seat 27, the second linear guide rail 28, the needle guide translation cylinder 29, the needle translation seat 30 and the needle guide clamp 31

[0023] Working principle:

[0024] First, the material picking and straightening translation cylinder extends out, the material picking and straightening guide clamp clamps the straightening extension tube, the material picking transfer clamp clamps the extension tube, the material picking and straightening guide clamp opens, the material picking and straightening translation cylinder retracts, the flip translation cylinder extends out, and after the flap is flipped 180°, the siliconized clamp clamps the first guide pin to position it, the siliconized clamp opens, the lifting cylinder rises, and the first guide pin is inserted into the extension tube, the material picking transfer clamp opens, the flip translation cylinder retracts, the flap is reset, the servo linear module descends, the material loading and picking clamp clamps the extension tube, the servo linear module rises, the material loading translation cylinder retracts, the needle guide translation cylinder extends out, the needle guide clamp clamps the second guide pin to position it, the servo linear module descends, and the extension tube is inserted into the second guide pin, the needle guide clamp opens, the needle guide translation cylinder retracts, the servo linear module continues to descend, and finally the extension tube is inserted into the second guide pin and assembled to the color tee, thereby realizing the loading of the extension tube.

[0025] The present invention is an extension tube feeding mechanism, which has a simple structure, adopts automatic control and conveying, effectively realizes the precise conveying of the extension tube, has a fast and stable feeding and assembling function, effectively saves human resources, and improves production capacity.

[0026] The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be thought of by a person skilled in the art within the technical scope disclosed by the present invention without creative work should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope defined in the claims.

Claims

1. An extension tube feeding mechanism, characterized in that: It includes a material picking mechanism, a positioning and lifting mechanism, a feeding mechanism, a rotating mechanism and a needle guiding mechanism, which are arranged in sequence. The material picking mechanism includes a material picking rack, a material picking and straightening translation cylinder, a material picking and straightening guide clamp, a material picking and transfer clamp, a flap, a rotating shaft and a flipping and translation cylinder. The material picking rack is arranged in a U-shaped structure and the connecting surfaces are arranged perpendicular to each other. The material picking and straightening translation cylinder is horizontally arranged at the bottom inner side of the U-shaped structure of the material picking rack. The material picking and straightening guide clamp is horizontally arranged and is arranged on the driving end of the material picking and straightening translation cylinder through a material picking translation block. The flap is arranged through The rotating shaft is transversely arranged on both sides of the opening end of the material picking rack and performs a 180° flipping movement around the rotating shaft. The lower surface of the flap is transversely provided with a material picking transfer clamp corresponding to the material picking straightening guide clamp up and down. One end of the rotating shaft is protrudingly arranged on the outside of the material picking rack and a gear is correspondingly arranged. The flipping and translation cylinder is transversely arranged on the outer side wall of the material picking rack and the driving end is provided with a rack and gear meshing transmission. The positioning and lifting mechanism includes a lifting cylinder, a lifting frame, a first guide pin, a positioning frame and a siliconized clamp. The lifting cylinder is longitudinally arranged and the upper piston end is provided with a lifting frame. The first guide pin is longitudinally arranged on the lifting frame. The positioning frame is arranged on the lifting frame On one side, the siliconized clamp is horizontally arranged on the top of the positioning frame, and the feeding mechanism includes a feeding seat, a first linear guide rail, a feeding translation cylinder, a feeding moving plate, a servo linear module, a feeding and picking seat and a feeding and picking clamp. The feeding seat is longitudinally arranged on one side of the positioning and lifting mechanism, and the first linear guide rail is transversely arranged on the top of the feeding seat. The feeding translation cylinder is transversely arranged on one side of the first linear guide rail and the piston end is fixed correspondingly to the feeding moving plate longitudinally arranged on the first linear guide rail. The servo linear module is longitudinally arranged on the surface of the feeding moving plate. The feeding and picking seat is arranged on the servo linear module and driven accordingly. The feeding and picking clamp The needle guide mechanism is longitudinally arranged on one side of the material loading and picking seat, and the rotating mechanism includes a rotating disk and a second guide pin. The rotating disk is arranged on one side of the positioning and lifting mechanism and a second guide pin is longitudinally arranged on the surface. The needle guide mechanism includes a needle guide seat, a second linear guide rail, a needle guide translation cylinder, a needle guide translation seat and a needle guide clamp. The needle guide seat is arranged on one side of the rotating disk, and the second linear guide rail is transversely arranged on the needle guide seat. The needle guide translation cylinder is transversely arranged on one side of the needle guide seat and the piston end is fixed correspondingly to the needle guide seat transversely arranged on the second linear guide rail, and the needle guide clamp is transversely arranged on the needle guide seat; A plurality of material taking and straightening guide clamps are arranged at intervals on the material taking translation block, and a plurality of material taking and straightening guide clamps are arranged on the material taking transfer clamps, which correspond to the material taking and straightening guide clamps one by one.

2. The extension tube feeding mechanism according to claim 1, characterized in that: The outer side wall of the material taking rack is correspondingly provided with a limited position guide wheel below the rack.

3. The extension tube feeding mechanism according to claim 1, characterized in that: A plurality of first guide pins are arranged at intervals and correspond one to one with the material transfer clamps on the flap after turning over 180 degrees.

4. The extension tube feeding mechanism according to claim 1, characterized in that: The siliconized clamping jaws are arranged in a plurality and distributed at intervals and are arranged one-to-one corresponding to the first guide pins.

5. The extension tube feeding mechanism according to claim 1, characterized in that: The material loading and retrieving clamps are arranged in a plurality and distributed at intervals and are arranged one-to-one corresponding to the first guide pins.

6. The extension tube feeding mechanism according to claim 1, characterized in that: A plurality of the second guide pins are arranged at intervals and correspond to the material loading and taking clamping claws one by one.

7. The extension tube feeding mechanism according to claim 1, characterized in that: The needle guide clamps are arranged in a plurality of interval distributions and correspond to the second guide pins one by one.

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