CN220617926U - Pipe winding mechanism and pipe winding machine using same - Google Patents

Abstract

The utility model discloses a pipe winding mechanism and a pipe winding machine using the same. The pipe winding mechanism comprises a pipe winding turntable, wherein a spiral groove and a plurality of through grooves are formed in the top of the pipe winding turntable, and the through grooves are circumferentially distributed and transversely span the spiral groove; the support frame is provided with a plurality of rotary supporting pieces at the top, and the pipe winding turntable is arranged at the top of the rotary supporting pieces; the support disc is provided with a clamp through groove corresponding to the through groove, a pipe clamping through groove corresponding to the pipe clamping groove and is arranged at the bottom of the pipe winding turntable; and the rotary driving piece is in transmission connection with the pipe winding turntable. The utility model has the characteristics of coiling the pipe into a coil in a spiral form and the like.

Description

Pipe winding mechanism and pipe winding machine using same

Technical Field

The utility model relates to a pipe winding mechanism and a pipe winding machine using the same.

Background

Medical catheters may be used for infusion or for gas delivery. To reduce the space taken up by the length, medical catheters are often wound into loops.

When the medical catheter is wound, the traditional mode is manual winding. The working efficiency of manual winding is low. The existing medical catheter winding mode is mechanical winding, for example, a tensioning mechanism of a medical catheter winding device is disclosed in the specification of China patent (CN 203582150U), and comprises a rotary platform which is arranged on a rack and can drive a medical catheter to wind, the tensioning mechanism comprises a supporting platform on the rack and a tensioning force clamp which is arranged on the supporting platform, the tensioning force clamp is driven by a power source and drives two ends of the tensioning force clamp to open or close, a pressing wheel I and a pressing wheel II which can rotate freely are respectively arranged at two ends of the tensioning force clamp, and the two ends of the tensioning force clamp are driven by the power source to mutually approach to each other so that the wheel faces of the pressing wheel I and the pressing wheel II compress the medical catheter or mutually separate from each other so that the wheel faces loosen the medical catheter. After the tension clamp, the medical catheter has a certain pretightening force before the winding, and the medical catheter tube processed by the winding device is relatively tight and solid. However, the medical catheter through groove is made of rubber or silica gel, and is kept in a tight state for a long time, so that the medical catheter is easy to fatigue, plastic deformation is caused, and the medical catheter is not beneficial to use.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provides a pipe winding mechanism.

In order to achieve the above object of the present utility model, the following technical scheme is adopted:

the pipe winding mechanism comprises a pipe winding turntable, wherein a spiral groove and a plurality of through grooves are formed in the top of the pipe winding turntable, and the through grooves are circumferentially distributed and transversely span the spiral groove; the support frame is provided with a plurality of rotary supporting pieces at the top, and the pipe winding turntable is arranged at the top of the rotary supporting pieces; the support disc is provided with a clamp through groove corresponding to the through groove, a pipe clamping through groove corresponding to the pipe clamping groove and is arranged at the bottom of the pipe winding turntable; and the rotary driving piece is in transmission connection with the pipe winding turntable.

Further, the rotary support includes a bracket mounted to the support frame; and the roller is arranged on the bracket.

Further, the pipe winding mechanism further comprises a pipe clamping piece, a pipe clamping driving piece and a clamp component; a pipe clamping groove is formed in the outer ring of the spiral groove close to the end part; the pipe clamping piece is arranged in the pipe clamping groove; the pipe clamping driving piece is arranged at the bottom of the pipe clamping piece and is used for movably supporting the pipe clamping piece; wherein, each through groove is provided with one clip member, and the clip member is connected with the support disc.

Further, the pipe winding mechanism further comprises a supporting driving piece; a prop driver is mounted to the bottom of the clip member.

Further, the pipe winding mechanism further comprises a fixed block and a fixed disc; the fixed disc is sleeved on the supporting frame; the support frame is provided with a plurality of fixing blocks, and the fixing blocks support and fix the fixing disc.

Further, the clip member comprises a sliding guide body, wherein the sliding guide body is provided with a chute with two open ends, and two sides of the chute are provided with limit grooves; the sliding block is arranged on the side face of the sliding block and is slidably mounted in the sliding groove; the clamp is mounted on the top of the sliding block; the clamping columns are arranged on two sides of the clamp; and the limiting column is arranged at the top of the limiting block.

Further, the pipe clamping piece comprises a swing support, and a swing groove is formed in the swing support; the swinging piece is provided with one end which is arranged in the swinging groove and is connected with the swinging support in a penetrating way through a rotating shaft, torsion springs are arranged at two ends of the rotating shaft, the other end of the swinging piece extends out of the swinging support and is bent and extends downwards, and an inclined surface end is arranged on the end face of the swinging piece; and the pipe clamping claw is arranged at the top of the swinging piece.

Further, the pipe winding mechanism also comprises a pressure sensor, a lap number trigger piece and a controller; the pressure sensor is arranged on the end face of the spiral groove close to the pipe clamping groove; the number of turns sensor is vertically arranged at intervals relative to the bottom of the pipe winding turntable, and the number of turns trigger piece is arranged on the pipe winding turntable and used for triggering the number of turns sensor to count the number of turns; the pressure sensor, the lap number sensor and the lap number trigger piece are all electrically connected with the controller.

A pipe winding machine comprises the pipe winding mechanism.

Compared with the prior art, the utility model has the advantages that:

the utility model can realize automatic spiral winding and looping of the medical catheter; one end of the medical catheter is fixed at one end of the outer ring of the spiral groove, the rotation driving piece drives the tube winding turntable to rotate, the tube winding turntable drives the medical catheter to rotate and simultaneously presses the medical catheter downwards, the medical catheter is pressed into the spiral groove until the medical catheter is completely spirally wound into a circle, the rotation driving piece can be stopped, the rotation of the tube winding turntable is stopped, and the medical catheter wound into the circle in the spiral groove can be taken out.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.

FIG. 1 is a schematic view of a tube winding mechanism according to the present utility model;

FIG. 2 is a schematic view of another angle structure of the present utility model;

FIG. 3 is a schematic view of the structure of the pipe winding turntable mechanism of the present utility model without a turntable installed;

FIG. 4 is a schematic view of the connection between the turntable, the support frame and the rotary driving member of the pipe winding turntable mechanism of the present utility model;

FIG. 5 is a schematic view of the structure of a turntable of the pipe winding turntable mechanism of the present utility model;

FIG. 6 is a schematic view of the structure of a support disc of the tube-around turntable mechanism of the present utility model;

FIG. 7 is a schematic view of the structure of the clip member of the present utility model;

FIG. 8 is a schematic view of a pipe fitting structure of the present utility model;

the names and serial numbers of the components in the figure:

2 a pipe winding mechanism, 201-a pipe winding turntable, 202-a spiral groove, 203-a through groove, 204-a supporting frame, 205-a fixed block, 206-a rotary driving piece, 207-a supporting disk, 2071-a clamp through groove, 2072-a pipe clamping through groove, 2073-a through hole, 208-a rotary supporting piece, 2081-a roller, 2082-a bracket and 209-a pipe clamping groove;

5-clip members, 501-clips, 502-sliders, 503-sliding guides, 504-stoppers, 505-stopper grooves, 506-stopper posts, 507-clip posts;

6-supporting top driving piece, 601-telescopic piston rod;

7-pipe clamping pieces, 701-pipe clamping claws, 702-swinging pieces, 703-inclined plane ends, 704-rotating shafts, 705-torsion springs, 706-swinging grooves and 707-swinging supports;

8-clamp pipe driving piece, 9-turn number sensor, 10-fixed disk, 11-turn number trigger piece.

Detailed Description

In order to make the technical solutions of the present application better understood by those skilled in the art, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings and examples, and it is apparent that the described examples are only a part of examples of the present application, and all other examples obtained by those skilled in the art without making any inventive effort are intended to be within the scope of protection of the present application.

Example 1:

as shown in fig. 1 to 8, a tube winding mechanism according to the present utility model includes a tube winding turntable 201, a support frame 204, a support plate 207, and a rotation driving member 206. A spiral groove 202 and a plurality of through grooves 203 are formed at the top of the pipe coiling turntable 201, and the through grooves 203 are circumferentially distributed and transversely span the spiral groove 202; a plurality of rotation supporting pieces 208 are installed at the top of the supporting frame 204, and the pipe winding turntable 201 is installed at the top of the plurality of rotation supporting pieces 208; the supporting plate 207 is provided with a clamp through groove 2071 corresponding to the through groove 203, and a clamp through groove 2071 corresponding to the clamp pipe groove 209, and is arranged at the bottom of the pipe winding turntable 201; the rotary drive 206 is in driving connection with the pipe coiling turntable 201.

The working mode is as follows:

the rotation driving member 206 drives the pipe winding turntable 201 to rotate, and the pipe winding turntable 201 drives the spiral groove 202 thereon to rotate.

When the catheter needs to be coiled, as shown in fig. 1, 2 and 5, the catheter is fixed at the end part of the outer ring of the spiral groove 202, and rotates around the tube turntable 201, so that the catheter is pressed downwards while being driven to rotate, the catheter is pressed into the spiral groove, and the rotation of the tube turntable is stopped as the tube turntable rotates until the catheter is coiled; the spiral winding of the catheter into a loop is completed.

After the pipe rotating disc rotates, the guide pipe is pressed into the spiral groove to form a spiral winding of the guide pipe, the adjacent spiral rings are not in a tightening state, and deformation of the guide pipe caused by spiral winding is reduced.

In some alternative embodiments of the present disclosure, a structure of a rotary support is presented. As shown in fig. 3, the rotary support 208 includes a bracket 2082 and a roller 2081. The bracket 2082 is mounted to the support frame 204; the roller 2081 is rotatably mounted to a support 2082.

As shown in fig. 3, one rotational mounting structure for the roller 208: the roller is installed in the one end of pivot, and the other end of pivot is installed in support 2082, and the roller can rotate for the pivot. When the plurality of rollers support the tube winding turntable to rotate, the rollers are pushed to rotate when the tube winding turntable rotates, and the contact friction between the tube winding turntable and the rollers can be reduced because the rollers can rotate automatically.

In some alternative embodiments of the present disclosure, to facilitate gripping of a helically wound coiled catheter, as shown in fig. 1 and 2, a clamp fitting 7, a clamp tube driver 8, and a clamp member 5 are additionally provided. A pipe clamping groove 209 (shown in fig. 5) is formed at the outer ring of the spiral groove 202 near the end part; the pipe clamping piece 7 is installed in the pipe clamping groove 209; the pipe clamping driving piece 8 is arranged at the bottom of the pipe clamping piece 7; wherein each through slot 203 is fitted with a clip member 5, the clip member 5 being connected to a support plate 207.

As shown in fig. 7, a structure of the clip member is given. The clip member 5 includes a slide guide 503, a slider 502, a clip 501, a holding post 507, and a stopper post 506. The sliding guide body 503 is provided with a chute with two open ends, and two sides of the chute are provided with limit grooves 505; a limiting block 504 is arranged on the side surface of the sliding block 502, the sliding block 502 is slidably arranged in the sliding groove, and the limiting block 504 is slidably arranged in a limiting groove 505; the clip 501 is mounted on top of the slider 503; clamping columns 507 are arranged on two sides of the clamp 501; a stop post 506 is mounted on top of the stop block 504.

The clip 501 is movably mounted between the clamping posts 507. Once for each spiral winding turn, the clip holds the spiral wound catheter. Before the spiral winding is again performed, a new clamp is added between the two clamping posts 507, and the clamp clamps the catheter for the spiral winding. As the conduit rotates about the tube carousel, the conduit is forced into the helical groove and into the clip 501 which fits across the through groove.

The slider 502 is acted upon by an upward driving force, and the slider 502 slides upward along a slide groove in the slide guide 503. The driving force of the sliding block 502 is released, and the sliding block 502 moves downwards to reset along a sliding groove in the sliding guide body 503 under the action of self weight; and the two sides of the sliding block 502 are provided with limiting blocks 504, when the limiting blocks 504 are lapped at the bottom of the limiting groove 505, the sliding block 502 is suspended in the sliding groove under the action of the two limiting blocks.

In some alternative embodiments of the present disclosure, one configuration of the drive slider 502 is presented. As shown in fig. 1 and 2, the bottom of the clip member 5 is mounted with a roof driver 6.

The support driving member 6 may be a pneumatic cylinder structure. The top drive 6 is provided with a telescopic piston rod 61.

The supporting driving piece 6 drives the telescopic piston rod 61 to extend upwards until touching the sliding block 502, pushing the sliding block 502 to move upwards, moving to the extension stroke of the telescopic piston rod 61, moving the sliding block 502 upwards, and driving the clip 501 to move upwards by the sliding block 502, so that the spirally wound and looped guide pipe in the spiral groove can be conveniently taken out. After the spirally wound guide pipe is taken out, the supporting driving piece 6 drives the telescopic piston rod, the telescopic piston rod is contracted to a set contraction stroke, and the supporting driving piece 6 stops driving the telescopic piston rod to move downwards; in the process of moving down the telescopic piston rod, the sliding block 502 moves down along the sliding groove in the sliding guide body 503 under the action of dead weight, and the limiting blocks 504 which move down to the two sides of the sliding block 502 are lapped on the bottom of the limiting groove 505.

In some alternative embodiments of the present disclosure, a fixed block 205 and fixed disk 10 are added in order to provide a support platform for the mounting overhead drive, as shown in fig. 1 and 2. The fixed disk 10 is sleeved on the supporting frame 204; the support frame 204 is mounted with a plurality of fixing blocks 205, and the plurality of fixing blocks 205 support the fixing plate 10.

Two fixing blocks 205 are mounted on both sides of the support frame 204, the two fixing blocks 205 are mounted on the support frame 204 at intervals in parallel, and the tops of the four fixing blocks 205 are used for supporting the fixing plate 10.

The fixed disk 10 can be used for mounting the support drive 6 and the clamp tube drive 8.

In some alternative embodiments of the present disclosure, a structure of a pinch fitting is presented. As shown in fig. 8, the pipe clamping member 7 includes a swing support 707, a swing member 702, and a pipe clamping claw 701. Swing support 707 is provided with a swing groove 706; one end of the swinging member 702 is arranged in the swinging groove 706 and is connected with the swinging support 707 in a penetrating way through the rotating shaft 704, the two ends of the rotating shaft 704 are provided with torsion springs 705, the other end of the swinging member 702 extends out of the swinging support 707 and is bent and extends downwards, and the end face of the swinging member 702 is provided with an inclined surface end 703; the collet chuck jaw 701 is disposed on top of the swing member 702.

As shown in fig. 8, the top of the clamping jaw 701 is provided with an arc-shaped groove, which can be used for clamping the required coiled catheter. The collet fingers 701 extend into the helical groove 202 through the collet groove 209.

The clamp tube driving member 8 may be a pneumatic cylinder structure. The clamping tube driving piece is provided with a piston rod. The pipe clamping driving piece can set the reciprocating stroke of the piston rod according to the height of the pipe clamping piece.

The working mode is as follows:

the pipe clamping driving member 8 drives the piston rod to extend toward the inclined surface end 703 of the swinging member 702, when the piston rod pushes the inclined surface end 703, the piston rod pushes one end of the swinging member 702 arranged outside the swinging support 707 to swing through the inclined surface end 703, and the end positioned on the swinging support 707 swings toward the bottom of the swinging groove 706, and the pipe clamping claw 701 is arranged on one end of the swinging member 702 positioned on the swinging groove 706, so that the pipe clamping claw 701 swings toward the position close to the swinging support 707, the interval between the pipe clamping claw 701 and the corresponding side surface on the spiral groove is increased, and the pipe to be coiled is conveniently placed in the interval between the pipe clamping claw 701 and the spiral groove.

When the pipe clamping driving piece 8 drives the piston rod to move downwards to shrink and separate from the inclined surface end, the torsion spring 705 drives the rotating shaft 704 to rotate reversely, the rotating shaft 704 drives the swinging piece 702 to rotate reversely at one end of the swinging groove 706, and the pipe clamping claw 701 swings reversely; at this time, if a pipe is provided between the pipe clamping claw 701 and the spiral groove, the pipe clamping claw 701 clamps the pipe together with the side surface of the spiral groove.

In some alternative embodiments of the present disclosure, for ease of automatic control, a pressure sensor (not shown), a lap sensor 9, a lap trigger 11, and a controller are added. The pressure sensor is arranged on the end surface of the pressing groove 403 corresponding to the opening; the number of turns sensor 9 is vertically arranged at intervals relative to the bottom of the pipe winding turntable 201, and the number of turns trigger piece 11 is arranged on the pipe winding turntable 201 and used for triggering the number of turns sensor 9 to count the number of turns; the pressure sensor, the lap sensor 9 and the lap trigger 11 are all electrically connected with the controller.

As shown in fig. 1 and 2, one way of mounting the lap sensor 9, lap trigger 11 is given. The lap sensor 9 and the lap trigger 11 are spaced apart from each other. When the turn trigger 11 is rotated to the turn sensor 9 for the first time, the turn sensor 9 starts accumulating turns, and when the turn sensor 9 is rotated again next time, one turn is completed.

The controller is set with a rotation number and a time delay rotation time after the rotation is enough, for example, the rotation number is set to 2, and the time delay rotation time after the rotation is enough is 0.5 seconds, 1 second or 2 seconds. The number of turns is set to 3, and the time delay turning time after the turn is enough is 0.5 seconds, 1 second or 2 seconds, etc. Can be beneficial to the medical catheter to complete spiral winding and looping on the tube winding turntable. It will be appreciated that the swivel ring may be set according to the length of the medical catheter.

The pipe winding machine comprises the pipe winding mechanism of the embodiment.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being within the scope of the utility model, obvious variations or modifications may be made thereto.

Claims (9)

1. A winding mechanism, characterized in that: comprising

The top of the pipe winding turntable is provided with a spiral groove and a plurality of through grooves, and the through grooves are circumferentially distributed and transversely cross the spiral groove;

the support frame is provided with a plurality of rotary supporting pieces at the top, and the pipe winding turntable is arranged at the top of the rotary supporting pieces;

the support disc is provided with a clamp through groove corresponding to the through groove, a pipe clamping through groove corresponding to the pipe clamping groove and is arranged at the bottom of the pipe winding turntable; and

And the rotation driving piece is in transmission connection with the pipe winding turntable.

2. The tube winding mechanism of claim 1, wherein: the rotary support comprises

The bracket is mounted on the supporting frame;

the roller is rotatably arranged on the bracket.

3. The tube winding mechanism of claim 1, wherein: the pipe clamping device also comprises a pipe clamping piece, a pipe clamping driving piece and a clamping component;

a pipe clamping groove is formed in the outer ring of the spiral groove close to the end part;

the pipe clamping piece is arranged in the pipe clamping groove;

the pipe clamping driving piece is arranged at the bottom of the pipe clamping piece and is used for movably supporting the pipe clamping piece;

wherein, each through groove is provided with one clip member, and the clip member is connected with the support disc.

4. A tube winding mechanism according to claim 3, wherein: the device also comprises a supporting driving piece;

a prop driver is mounted to the bottom of the clip member.

5. The tube winding mechanism of claim 4, wherein: the device also comprises a fixed block and a fixed disc;

the fixed disc is sleeved on the supporting frame;

the support frame is provided with a plurality of fixing blocks, and the fixing blocks support and fix the fixing disc.

6. A tube winding mechanism according to claim 3, wherein: the clip member comprises

The sliding guide body is provided with a sliding groove with two open ends, and two sides of the sliding groove are provided with limit grooves;

the sliding block is arranged on the side face of the sliding block and is slidably mounted in the sliding groove;

the clamp is mounted on the top of the sliding block;

the clamping columns are arranged on two sides of the clamp; and

And the limiting column is arranged at the top of the limiting block.

7. A tube winding mechanism according to claim 3, wherein: the pipe clamping piece comprises

The swing support is provided with a swing groove;

the swinging piece is provided with one end which is arranged in the swinging groove and is connected with the swinging support in a penetrating way through a rotating shaft, torsion springs are arranged at two ends of the rotating shaft, the other end of the swinging piece extends out of the swinging support and is bent and extends downwards, and an inclined surface end is arranged on the end face of the swinging piece; and

And the pipe clamping claw is arranged at the top of the swinging piece.

8. A tube winding mechanism according to any one of claims 1-7, wherein: the device also comprises a pressure sensor, a lap trigger piece and a controller;

the pressure sensor is arranged on the end face of the spiral groove close to the pipe clamping groove;

the number of turns sensor is vertically arranged at intervals relative to the bottom of the pipe winding turntable, and the number of turns trigger piece is arranged on the pipe winding turntable and used for triggering the number of turns sensor to count the number of turns;

the pressure sensor, the lap number sensor and the lap number trigger piece are all electrically connected with the controller.

9. A bobbin winder, characterized in that: the tube winding machine comprises the tube winding mechanism of any one of claims 1-8.