CN-117049150-B - Full-automatic medical flexible feeding device for braided sheath tube core rod

CN117049150BCN 117049150 BCN117049150 BCN 117049150BCN-117049150-B

Abstract

The invention discloses a flexible feeding device for full-automatic medical braided sheath tube core rods, which comprises a feeding mechanical arm and a braiding machine main body positioned at the left side of the feeding mechanical arm, wherein mechanical claws for clamping the sheath tube core rods are arranged on the feeding mechanical arm, sliding guide rails which are arranged at equal intervals are fixedly arranged on the braiding machine main body, sliding seats are fixedly arranged on the sliding guide rails, a bearing block is fixedly arranged at the top of each sliding seat, a round block is rotatably connected to the top of each bearing block, and a braided conveying seat is fixedly arranged on the braiding machine main body. According to the invention, the sheath core rod is supported in a multi-section manner and combined with a rotary and translational movement mode, so that the structural stability of the sheath core rod with a certain flexibility can be kept, meanwhile, the sheath core rod is positioned in the sheath core rod through hole after feeding, the sheath core rod is limited and restrained, the feeding stability of the sheath core rod is ensured, the braiding processing is convenient, and the braiding quality of the medical braided sheath core rod is improved.

Inventors

SONG XIAOBO
ZHANG LI
QIAO ZHIYUAN

Assignees

宁波琳盛高分子材料有限公司

Dates

Publication Date: 20260505
Application Date: 20230817

Claims (3)

1. The flexible feeding device for the full-automatic medical braided sheath tube core rod comprises a feeding mechanical arm (1) and a braiding machine main body (2) positioned on the left side of the feeding mechanical arm (1), wherein a mechanical claw (3) for clamping a sheath tube core rod is arranged on the feeding mechanical arm (1), and the flexible feeding device is characterized in that sliding guide rails (4) which are equidistantly arranged are fixedly arranged on the braiding machine main body (2), sliding seats (5) are fixedly arranged on the sliding guide rails (4), a bearing block (6) is fixedly arranged at the top of the sliding seat (5), a round block (7) is rotationally connected to the top of the bearing block (6), a braided conveying seat (8) is fixedly arranged on the braiding machine main body (2), a positioning conveying block (9) is rotationally connected to the top of the braided conveying seat (8), and a sheath tube core rod through hole (10) is formed in the positioning conveying block (9). A synchronizing rod (71) is connected between two adjacent circular blocks (7), a first driving motor (72) is fixedly installed on the bearing block (6) on the front side, an output shaft of the first driving motor (72) is fixedly connected with the circular block (7) on the front side, an electric push rod (11) is fixedly installed on the braiding machine main body (2), the right end of the electric push rod (11) is fixedly connected with the sliding seat (5), a connecting rod (91) is fixedly installed between two adjacent positioning conveying blocks (9), a second driving motor (92) is fixedly installed on the braiding conveying seat (8) on the front side, and an output shaft of the second driving motor (92) is fixedly connected with the positioning conveying blocks (9); a receiving groove (73) is formed in the top of the round block (7), a positioning groove (74) is formed in the inner bottom wall of the receiving groove (73), and a pushing mechanism (75) is fixedly arranged in the positioning groove (74); The bearing groove (73) is an arc groove, the radian of the inner wall of the bearing groove (73) is attached to the positioning conveying block (9), the diameter of the positioning groove (74) is slightly larger than the diameter of a medical braided sheath tube core rod to be fed, and the bearing groove (73) and the inner wall of the positioning groove (74) are arranged smoothly; the pushing mechanism (75) comprises a miniature push rod (751) fixedly arranged at the inner side of the positioning groove (74), the top of the miniature push rod (751) is rotatably connected with a top wheel (752), and the side edge of the top wheel (752) is inwards recessed; The braiding transport seat (8) is provided with a rotation hole (81), the positioning transport block (9) is rotationally connected to the inner side of the rotation hole (81), the right side of the positioning transport block (9) protrudes out of the surface of the braiding transport seat (8), and the protruding structure is matched with the receiving groove (73); a conveying motor (12) is fixedly arranged on the bearing block (6) on the back surface, an adjusting wheel (13) is fixedly arranged on the conveying motor (12), a friction increasing sleeve is sleeved on the adjusting wheel (13), and the top of the friction increasing sleeve is slightly higher than the top wheel (752); Two position sensors (14) are slidably mounted on the braiding machine main body (2), the two position sensors (14) are respectively located on one side of the front face and one side of the back face of the braiding machine main body (2), a PLC (programmable logic controller) 15 for correcting and positioning is mounted on the braiding machine main body (2), and the two position sensors (14) and the conveying motor (12) are electrically connected with the PLC (15).
2. The flexible feeding device for the full-automatic medical braided sheath tube core rod, which is disclosed in claim 1, is characterized in that the number of the sheath tube core rod through holes (10) is two for each positioning and conveying block (9), the shape of the sheath tube core rod through holes (10) is U-shaped, the inner walls of the sheath tube core rod through holes (10) are smoothly arranged, and the diameter of the sheath tube core rod through holes (10) is equal to or slightly larger than the diameter of a sheath tube core rod to be processed.
3. The flexible feeding device for the full-automatic medical braided sheath tube core rod, which is disclosed in claim 1, is characterized in that universal wheels (16) and fixed lug plates (17) which are uniformly distributed are fixedly arranged at the bottom of the braiding machine main body (2), and mounting holes are formed in the fixed lug plates (17).

Description

Full-automatic medical flexible feeding device for braided sheath tube core rod Technical Field The invention relates to the technical field of medical braided sheath core rod feeding, in particular to a full-automatic medical braided sheath core rod flexible feeding device. Background A medical braided sheath core rod is an instrument used in the medical field. The medical braided sheath core rod is usually made of soft materials such as polyethylene or polyurethane, has good elasticity and durability, is commonly used for the perfusion and guiding operation of medical instruments such as guide wires, catheters and the like, and has the main function of serving as a carrier for introducing various medical instruments into the human body, and simultaneously providing support and stability. In the medical braided sheath core rod feeding process, the following problems may exist; the feeding is inaccurate, the feeding precision is not high enough and the product requirement cannot be met due to equipment faults, error accumulation, material stacking non-uniformity and the like, and the produced sheath tube core rod is non-uniform in size or unstable in quality; If the clamping device is unreasonably designed or fails, the situation of deflection, sliding or swinging and the like of materials in the feeding process can be caused, and the quality and consistency of the sheath core rod can be influenced; And the mode of manual feeding is adopted in part, the feeding efficiency is low, the manual input cost is high, and the feeding and positioning of the medical braided sheath core rod are inaccurate, so that the product quality is not too high. Disclosure of Invention Aiming at the problems in the prior art, the invention aims to provide a flexible feeding device for a full-automatic medical braided sheath core rod, so as to overcome the problems in the background technology. In order to achieve the above purpose, the present invention adopts the following technical scheme. The flexible feeding device for the full-automatic medical braided sheath tube core rod comprises a feeding mechanical arm and a braiding machine main body positioned on the left side of the feeding mechanical arm, wherein mechanical claws for clamping the sheath tube core rod are arranged on the feeding mechanical arm, sliding guide rails which are arranged at equal intervals are fixedly arranged on the braiding machine main body, sliding seats are fixedly arranged on the sliding guide rails, a bearing block is fixedly arranged at the top of the sliding seat, a round block is rotationally connected to the top of the bearing block, a braided conveying seat is fixedly arranged on the braiding machine main body, a positioning conveying block is rotationally connected to the top of the braided conveying seat, and sheath tube core rod through holes are formed in the positioning conveying block; the synchronous rod is connected between two adjacent circular blocks, the first driving motor is fixedly installed on the bearing block, the output shaft of the first driving motor is fixedly connected with the circular block on the front side, the electric push rod is fixedly installed on the braiding machine main body, the right end of the electric push rod is fixedly connected with the sliding seat, the connecting rod is fixedly installed between two adjacent positioning conveying blocks, the second driving motor is fixedly installed on the braiding conveying seat on the front side, and the output shaft of the second driving motor is fixedly connected with the positioning conveying block. As a further description of the above technical solution: The top of circular piece has seted up the accepting groove, the constant head tank has been seted up to the interior bottom wall of accepting groove, the inside fixed mounting of constant head tank has pushing mechanism. As a further description of the above technical solution: The supporting groove is an arc groove, the radian of the inner wall of the supporting groove is attached to the positioning conveying block, the diameter of the positioning groove is slightly larger than the diameter of a tubular core rod of the medical braided sheath to be fed, and the supporting groove and the inner wall of the positioning groove are arranged smoothly. As a further description of the above technical solution: the pushing mechanism comprises a miniature push rod fixedly arranged on the inner side of the positioning groove, the top of the miniature push rod is rotationally connected with a top wheel, and the side edge of the top wheel is inwards recessed. As a further description of the above technical solution: The braiding conveying seat is provided with a rotating hole, the locating conveying block is rotationally connected to the inner side of the rotating hole, the right side of the locating conveying block protrudes out of the surface of the locating conveying block, and the protruding structure is matched with t