CN211968479U

CN211968479U - Device for continuously providing indwelling needle hose for assembling indwelling needle hose and funnel

Info

Publication number: CN211968479U
Application number: CN202020199106.XU
Authority: CN
Inventors: 闫如忠
Original assignee: Suzhou Zhengyukun Medical Equipment Co ltd
Current assignee: Jiangsu Zhiruibo Intelligent Technology Co.,Ltd.
Priority date: 2020-02-23
Filing date: 2020-02-23
Publication date: 2020-11-20
Anticipated expiration: 2030-02-23

Abstract

The invention provides a device for continuously providing a remaining needle hose for the assembly of the remaining needle hose and a funnel, which comprises: a vertical plate; the horizontal fixing plate is arranged on the vertical plate and is provided with a notch groove; the output shaft of the servo motor is extended downwards; the upper clamping mechanism is fixed on the horizontal fixing plate and is provided with an upper clamping hole; the sliding rail is arranged on the front surface of the vertical plate; the sliding block is arranged on the sliding rail and is provided with a screw hole, a screw rod is screwed in the screw hole, and the upper end of the screw rod is connected with the output shaft; the lower clamping mechanism fixed on the sliding block is provided with a lower clamping hole corresponding to the upper clamping hole. The device provided by the embodiment of the invention can accurately and continuously supply materials for the assembly process of the indwelling needle hose and the funnel, can accurately cut the length of the hose after assembly, prevents the phenomena of deviation of insertion and deviation of the head of the hose after cutting, and ensures the product quality.

Description

Device for continuously providing indwelling needle hose for assembling indwelling needle hose and funnel

Technical Field

The invention relates to the technical field of assembly of a remaining needle hose and a funnel, in particular to a device for continuously providing the remaining needle hose for assembly of the remaining needle hose and the funnel.

Background

At present, domestic enterprises mostly adopt manual assembly when producing and assembling the indwelling needle. Due to the fact that the number of the indwelling needle is various, when different material numbers are replaced for production, different assembling jigs need to be replaced, a large amount of manpower is used for production, and production efficiency is extremely low. In addition, the assembly of the indwelling needle hose and the root of the funnel is unstable, the reject ratio is high, and the manufacturing cost is high. In addition, because the diameter of the indwelling needle hose is too small, in the actual operation process, long-time manual operation can generate fatigue, the fatigue of personnel can cause the phenomenon that the hose is inserted to be deviated, and after actual manual production, a back-end process is required to be added to inspect whether the butt joint of the hose and the funnel is complete or not, so that the air leakage is detected, and the production cost of an enterprise is increased.

Disclosure of Invention

In view of the above, the present invention provides a device for continuously providing an indwelling needle hose for assembling the indwelling needle hose and a funnel, which can effectively solve the above problems.

In order to achieve the above object, the present invention provides the following technical solutions.

An apparatus for continuously providing an indwelling needle hose for assembly with a funnel, comprising:

a vertical plate having a front surface and a back surface opposite to each other;

the horizontal fixing plate is arranged at the upper part of the vertical plate and is positioned on the front side of the vertical plate;

the output shaft of the servo motor penetrates through the horizontal fixing plate and extends downwards;

the upper clamping mechanism is fixed on the horizontal fixing plate and is positioned on the front surface of the vertical plate, and is provided with an upper clamping hole for clamping a remaining needle hose;

the sliding rail is arranged on the front side of the vertical plate and is positioned below the horizontal fixing plate, and the sliding rail extends along the vertical direction;

the sliding block is arranged on the sliding rail, a screw hole penetrating through the upper surface and the lower surface of the sliding block is formed in the sliding block, a screw rod is screwed in the screw hole, and the upper end of the screw rod is connected with the output shaft;

and the lower clamping mechanism is fixed on the sliding block and is provided with a lower clamping hole, and the lower clamping hole corresponds to the upper clamping hole.

Preferably, the upper clamping mechanism includes:

the vertical fixing plate is arranged on the horizontal fixing plate;

the first air cylinder is arranged on the horizontal fixing plate and/or the vertical fixing plate, and an expansion rod of the first air cylinder penetrates through the vertical fixing plate to extend forwards;

the first outer fixing block is arranged on the front face of the vertical fixing plate, and a first fixing and clamping groove is formed in the surface, facing the vertical fixing plate, of the first outer fixing block;

the first inner moving block is arranged between the vertical fixing plate and the first outer fixing block and connected with a telescopic rod of the first cylinder; a first movable clamping groove corresponding to the first fixed clamping groove is formed in the surface of the first inner moving block;

the corresponding first fixed clamping groove and the corresponding first movable clamping groove can be spliced to form the upper clamping hole.

Preferably, the surface of the first outer fixing block facing the vertical fixing plate is recessed inwards to form a stroke groove, and the first fixing and clamping groove is formed in the bottom wall of the stroke groove; connecting wings are formed on two sides of the stroke groove, and the first outer fixing block is fixedly connected with the vertical fixing plate through the two connecting wings; the center of the bottom wall of the stroke groove is inwards sunken to form a guide groove, the center of the outer surface of the first inner moving block is outwards bulged to form a guide bulge, and the guide bulge is inserted into the guide groove; the first fixed clamping grooves are two and distributed on two sides of the guide groove.

Preferably, the first inner moving block is driven by the first cylinder to move in the stroke groove, so that the first inner moving block has a clamping working position in which the outer surface thereof is brought into abutment with the bottom wall of the stroke groove, and a release working position in which the outer surface thereof is separated from the bottom wall of the stroke groove;

when the first inner moving block is in a clamping working position, the first moving clamping groove and the first fixed clamping groove are spliced together, and the upper clamping hole is in a clamping state; when the first inner moving block is in a loosening working position, the first moving clamping groove is separated from the first fixed clamping groove, and the upper clamping hole is in an opening state;

when the upper clamping hole is in a clamping state, the indwelling needle hose can be clamped in the upper clamping hole and is fixed along the vertical direction; when the upper clamping hole is in an open state, the indwelling needle hose has the freedom degree of being pulled by the lower clamping mechanism in the up-down direction to move downwards.

Preferably, the lower clamping mechanism comprises:

the fixing piece is arranged on the sliding block;

the second cylinder is arranged on the fixed part and/or the sliding block, and a telescopic rod of the second cylinder penetrates through the fixed part and extends forwards;

the second outer fixing block is arranged on the front face of the fixing piece, and a second fixing clamping groove is formed in the surface, facing the fixing piece, of the second outer fixing block;

the second inner moving block is arranged between the fixing piece and the second outer fixing block and connected with a telescopic rod of the second cylinder; a second movable clamping groove corresponding to the second fixed clamping groove is formed in the surface of the second inner movable block;

the corresponding second fixed clamping groove and the second movable clamping groove can be spliced to form the lower clamping hole.

Preferably, the second inner moving block is driven by the second cylinder to move between the fixed member and the second outer fixed block, so that the second inner moving block has a clamping working position where the outer surface of the second inner moving block is attached to the outer surface of the second outer fixed block, and a releasing working position where the outer surface of the second inner moving block is separated from the outer surface of the second outer fixed block;

when the second inner moving block is in a clamping working position, the second moving clamping groove and the second fixed clamping groove are spliced together, and the lower clamping hole is in a clamping state; when the second inner moving block is in a loosening working position, the second moving clamping groove is separated from the second fixed clamping groove, and the lower clamping hole is in an opening state;

when the lower clamping hole is in a clamping state, the indwelling needle hose can be clamped in the lower clamping hole and is fixed along the up-down direction; when the lower clamping hole is in an open state, the indwelling needle hose has the freedom degree of relative movement with the lower clamping mechanism along the up-down direction.

Preferably, be equipped with the mechanism that cuts that is used for cutting off the needle hose of keeping somewhere on the slider, include: the cutting fixing plate is arranged on the sliding block, the third air cylinder is arranged on the cutting fixing plate, the guide fixing piece is connected with a telescopic rod of the third air cylinder, the blade clamping block is arranged on the guide fixing piece, and the cutting blade is fixed on the blade clamping block; the guide fixing piece is in contact with the outer surface of a cylinder sleeve of the third cylinder, and the extending direction of the edge of the cutting blade and the extending direction of the telescopic rod of the third cylinder form an acute angle.

Preferably, the device has a material pulling state, a return stroke state and a cutting state;

when the device is in a material pulling state, the servo motor drives the lower clamping mechanism to move downwards, and the upper clamping hole and the lower clamping hole are both in an opening state;

when the device is in a return stroke state, the servo motor drives the lower clamping mechanism to move upwards, the upper clamping hole is in a clamping state, and the lower clamping hole is in a loosening state;

when the device is in a fixed cutting state, the servo motor stops, the upper clamping hole is in a clamping state, the lower clamping hole is in a loosening state, and the third cylinder drives the cutting blade to move to cut off the hose of the remaining needle.

Preferably, a heating module is arranged on the horizontal fixing plate, a heating channel which is communicated up and down is arranged in the heating module, and the heating through hole corresponds to the upper clamping hole; the heating module includes:

the supporting column is fixed on the horizontal fixing plate;

the heating block is arranged on the supporting column, and a heating groove is formed in the outer surface of the heating block;

and the cover plate is arranged on the outer surface of the heating block, and the cover plate covers the heating groove to form the heating channel.

Preferably, a guide telescopic pipe is arranged between the upper clamping mechanism and the lower clamping mechanism, and the upper end and the lower end of the guide telescopic pipe are respectively communicated with the upper clamping hole and the lower clamping hole.

The device provided by the embodiment of the invention can accurately and continuously supply materials for the assembly process of the indwelling needle hose and the funnel, can accurately cut the length of the hose after assembly, prevents the phenomena of deviation of insertion, ellipse deviation of the head of the hose after cutting and hose flanging, and ensures the product quality.

Drawings

FIG. 1 is a left side perspective view of a device for continuously providing an indwelling needle hose for assembly with a funnel according to a non-limiting embodiment of the present invention;

FIG. 2 is a right side perspective view of a device for continuously providing an indwelling needle hose for assembly with a funnel according to a non-limiting embodiment of the present invention;

fig. 3 is a schematic perspective view of the heating module of fig. 1 and/or 2;

FIG. 4 is a schematic perspective view of the upper clamping mechanism of FIG. 1 and/or FIG. 2;

FIG. 4A is a schematic view of the enlarged structure of FIG. 4;

FIG. 5 is a schematic perspective view of the lower clamping mechanism of FIG. 1 and/or FIG. 2;

fig. 6A is a schematic perspective view of the left cutting mechanism in fig. 1 and/or fig. 2;

fig. 6B is a schematic perspective view of the right cutting mechanism in fig. 1 and/or fig. 2.

Detailed Description

As shown in fig. 1 to 6B, an embodiment of the present invention provides an apparatus for continuously providing a catheter for indwelling needle, which comprises:

the vertical plate 1 is provided with a front surface and a back surface which are opposite;

the horizontal fixing plate 2 is arranged at the upper part of the vertical plate 1 and is positioned on the front side of the vertical plate 1;

a servo motor 3 fixed on the horizontal fixing plate 2, wherein an output shaft of the servo motor 3 penetrates through the horizontal fixing plate 2 and extends downwards;

an upper clamping mechanism 4 fixed on the horizontal fixing plate 2 and positioned on the front surface of the vertical plate 1, wherein the upper clamping mechanism 4 is provided with an upper clamping hole (not shown) for clamping a hose of an indwelling needle;

a slide rail 5 arranged on the front surface of the vertical plate 1 and positioned below the horizontal fixing plate 2, wherein the slide rail 5 extends along the up-and-down direction;

a slide block 6 arranged on the slide rail 5, a screw hole penetrating through the upper surface and the lower surface of the slide block 6 is arranged in the slide block 6, a screw rod 8 is screwed in the screw hole, and the upper end of the screw rod 8 is connected with an output shaft;

and the lower clamping mechanism 7 is fixed on the sliding block 6, and the lower clamping mechanism 7 is provided with a lower clamping hole (not shown) which corresponds to the upper clamping hole.

As shown in fig. 1 and 2, the vertical plate 1 is disposed on the bottom plate 9, the back of the vertical plate 1 is provided with a reinforcing plate 12, and the left side and the rear side of the bottom plate 9 are respectively provided with an X-axis adjusting seat 10 and a Y-axis adjusting seat 11 for position calibration and quantification of the bottom plate 9, so that the whole device can be conveniently and accurately positioned and mounted.

And a reinforcing rib plate 13 is arranged between the lower surface of the horizontal fixing plate 2 and the front surface of the vertical plate 1 and is used for improving the stability and the connection strength of the horizontal fixing plate 2. As shown in fig. 4, a notch groove 201 is provided on the rear side of the horizontal fixing plate 2, the opening of the notch groove 201 faces the back direction of the vertical plate 1, and the servo motor 3 is fixedly fitted in the notch groove.

As shown in fig. 4A, the upper clamp mechanism 4 includes:

a vertical fixing plate 401 provided on the horizontal fixing plate 2;

a first cylinder 402 arranged on the horizontal fixing plate 2 and/or the vertical fixing plate 401, wherein the telescopic rod of the first cylinder 402 extends forwards through the vertical fixing plate 401; wherein, the vertical fixing plate 401 may be provided therein with a mounting hole penetrating through the front and rear surfaces thereof, and the first cylinder 402 may be fixedly embedded in the mounting hole;

a first outer fixing block 403 arranged on the front surface of the vertical fixing plate 401, wherein a first fixing clamping groove 4031 is arranged on the surface of the first outer fixing block 403 facing the vertical fixing plate 401;

a first inner moving block 404 arranged between the vertical fixing plate 401 and the first outer fixing block 403, wherein the first inner moving block 404 is connected with an expansion rod of the first cylinder 402; a first movable clamping groove 4041 corresponding to the first fixed clamping groove 4031 is formed in the surface of the first inner moving block 404;

wherein the corresponding first fixed clamping groove 4031 and first movable clamping groove 4041 can be spliced to form an upper clamping hole.

Further, the surface of the first outer fixing block 403 facing the vertical fixing plate 401 is recessed inward to form a stroke groove, and a first fixing clamp groove 4031 is provided on the bottom wall of the stroke groove. Connecting wings 405 are formed at both sides of the stroke groove, and the first outer fixing block 403 is fixedly connected with the vertical fixing plate 401 through the two connecting wings 405. The center of the bottom wall of the travel groove is recessed inwards to form a guide groove, and the center of the outer surface of the first inner moving block 404 is raised outwards to form a guide protrusion which is inserted into the guide groove. The number of the first fixing and clamping grooves 4031 is two, and the two first fixing and clamping grooves 4031 are distributed on two sides of the guide groove.

Therefore, the first inner moving block 404 is substantially in a convex structure, and the guide and the centering of the movement of the first inner moving block 404 are realized by the cooperation of the guide protrusions and the guide grooves, so that the first inner moving block 404 can stably move relative to the first outer fixing block 403.

The first inner moving block 404 is driven by the first cylinder 402 to move in the stroke groove, so that the first inner moving block 404 has a clamping operation position where its outer surface is brought into abutment with the bottom wall of the stroke groove, and a releasing operation position where its outer surface is separated from the bottom wall of the stroke groove.

When the first inner moving block 404 is in the clamping working position, the first moving clamping groove 4041 and the first fixed clamping groove 4031 are spliced together, and the upper clamping hole is in a clamping state; when the first inner moving block 404 is in the release operating position, the first moving clamping groove 4041 is separated from the first stationary clamping groove 4031 and the upper clamping hole is in an open state.

When the upper clamping hole is in a clamping state, the indwelling needle hose can be clamped in the upper clamping hole and is fixed along the up-down direction; when the upper holding hole is in an opened state, the indwelling needle hose has a degree of freedom to move downward being pulled in the up-down direction by the lower holding mechanism 7.

As shown in fig. 5, the lower clamp mechanism 7 includes:

a fixing member 701 provided on the slider 6; the fixture 701 is generally "concave" in shape, having a bottom wall and two parallel side walls extending rearwardly from the bottom wall;

a second cylinder 702 arranged on the fixing part 701 and/or the sliding block 6, wherein the telescopic rod of the second cylinder 702 penetrates through the fixing part 701 to extend forwards; wherein, the bottom wall of the fixing part 701 can be provided with a mounting hole penetrating through the front and back surfaces thereof, and the second cylinder 702 can be fixedly embedded in the mounting hole;

a second external fixing block 703 provided on the front surface of the fixing member 701, wherein a second fixing clamping groove (not shown) is provided on the surface of the second external fixing block 703 facing the fixing member 701;

a second inner moving block 704 arranged between the fixed member 701 and the second outer fixed block 703, the second inner moving block 704 being connected to the telescopic rod of the second cylinder 702; a second moving clamping groove (not shown) corresponding to the second fixed clamping groove is formed on the surface of the second inner moving block 704;

and the corresponding second fixed clamping groove and the second movable clamping groove can be spliced to form a lower clamping hole.

The second outer fixed block 703 and the second inner moving block 704 are substantially in the shape of a regular rectangular cuboid, and the second outer fixed block 703 can be fixedly connected with the fixed member 701 through a connecting plate 705 at the bottom. The second outer fixed block 703 is spaced apart from the fixed member 701 by a distance greater than the thickness of the second inner moving block 704, so that the second inner moving block 704 can move between the second outer fixed block 703 and the fixed member 701. In addition, a connecting plate 705 for fixing the second outer fixing block 703 to the fixing member 701 may support the second inner moving block 704 to move thereon.

The second inner moving block 704 is driven by the second cylinder 702 to move between the fixed member 701 and the second outer fixed block 703, so that the second inner moving block 704 has a clamping operation position where its outer surface is brought into abutment with the outer surface of the second outer fixed block 703, and a release operation position where its outer surface is separated from the outer surface of the second outer fixed block 703.

When the second inner moving block 704 is in the clamping working position, the second moving clamping groove and the second fixed clamping groove are spliced together, and the lower clamping hole is in a clamping state; when the second inner moving block 704 is in the release working position, the second moving clamping groove is separated from the second fixed clamping groove, and the lower clamping hole is in an open state;

when the lower clamping hole is in a clamping state, the indwelling needle hose can be clamped in the lower clamping hole and is fixed along the up-down direction; when the lower holding hole is in an open state, the indwelling needle hose has a degree of freedom of relative movement with the lower holding mechanism 7 in the up-down direction.

As shown in fig. 6A and 6B, the slider 6 is provided with a cutting mechanism 14 for cutting off the indwelling needle hose, and the cutting mechanism includes: a cutting fixing plate 1401 arranged on the slide block 6, a third cylinder 1402 arranged on the cutting fixing plate 1401, a guiding fixing member 1403 connected with the expansion link of the third cylinder 1402, a blade clamping block 1404 arranged on the guiding fixing member 1403, and a cutting blade 1405 fixed on the blade clamping block 1404. Wherein, the guiding fixing component 1403 is contacted with the outer surface of the cylinder sleeve of the third cylinder 1402, and the extending direction of the edge of the cutting blade 1405 and the extending direction of the telescopic rod of the third cylinder 1402 form an acute angle.

The guiding and fixing member 1403 is a vertical bending member, and includes a horizontal plate portion and a vertical plate portion, the telescopic rod of the third cylinder 1402 is connected to the vertical plate portion, and the horizontal plate portion contacts with the outer surface of the cylinder sleeve of the third cylinder 1402. Therefore, when the third cylinder 1402 drives the guiding fixing member 1403 to move, the horizontal plate portion is in contact with the outer surface of the cylinder sleeve of the third cylinder 1402, so that the guiding function can be achieved for the movement of the guiding fixing member 1403, and the cutting accuracy is guaranteed.

In addition, the extending direction of the edge of the cutting blade 1405 and the extending direction of the telescopic rod of the third cylinder 1402 form an acute angle, and when the third cylinder 1402 drives the cutting blade 1405 to move outwards, the depth of the cutting blade 1405 for cutting the remaining needle hose is gradually increased, so that the cutting-off is guaranteed, and simultaneously, the cut shape of the remaining needle hose keeps a better roundness, so that the subsequent insertion into the funnel can be smoothly performed, and the overall working efficiency is improved.

The device provided by the embodiment of the invention has a material pulling state, a return stroke state and a fixed cutting state; wherein:

when the device is in a material pulling state, the servo motor 3 drives the lower clamping mechanism 7 to move downwards, and the upper clamping hole and the lower clamping hole are both in an opening state;

when the device is in a return stroke state, the servo motor 3 drives the lower clamping mechanism 7 to move upwards, the upper clamping hole is in a clamping state, and the lower clamping hole is in a loosening state;

when the device is in a fixed cutting state, the servo motor 3 stops, the upper clamping hole is in a clamping state, the lower clamping hole is in a loosening state, and the third air cylinder 1402 drives the cutting blade 1405 to move to cut off the indwelling needle hose.

As shown in fig. 3, the horizontal fixing plate 2 is provided with a heating module 15, a heating channel penetrating up and down is provided in the heating module 15, and the heating through hole corresponds to the upper clamping hole. The heating module 15 includes:

the supporting column 1501 is fixed on the horizontal fixing plate 2; the number of the two is two;

a heating block 1502 arranged on the support column 1501, wherein a heating groove 1503 is arranged on the outer surface of the heating block 1502; the heating block 1502 may be a copper block that heats up after being energized; a multi-layer heat insulation fixing plate 1504 can be arranged between the heating block 1502 and the supporting column 1501 and is used for isolating heat conduction between the heating block 1502 and the supporting column 1501;

a cover 1505 is provided on the outer surface of the heating block 1502, and the cover 1505 covers the heating groove 1503 to form a heating channel.

The indwelling needle hose is in a roll shape before being assembled, so that the indwelling needle hose is in a natural bending shape after being unreeled, and is very inconvenient to assemble with the funnel. By arranging the heating module 15, the indwelling needle hose is softened and subjected to bending stress removal treatment by the heating module 15 before assembly, so that the indwelling needle hose can be straightened.

As shown in fig. 1 and 2, a guiding telescopic tube 16 is arranged between the upper clamping mechanism 4 and the lower clamping mechanism 7, and the upper end and the lower end of the guiding telescopic tube 16 are respectively communicated with the upper clamping hole and the lower clamping hole. The number of the guide extension tubes 16 is equal to the number of the upper clamping holes and the lower clamping holes, and the number of the guide extension tubes is two. By arranging the guide telescopic tube 16 between the upper clamping mechanism 4 and the lower clamping mechanism 7, the indwelling needle hose in the upper clamping hole can smoothly penetrate into the corresponding lower clamping hole.

The working principle of the device of the embodiment of the invention is as follows:

1. the indwelling needle hose is manually inserted into the heating channel of the heating module. At this time, the upper holding hole of the upper holding mechanism 4 is in a relaxed state, and the lower end of the indwelling needle hose smoothly passes through the upper holding hole and enters the corresponding guide extension tube 16.

2. The servo motor 3 drives the lower clamping mechanism 7 to move upwards, and at the moment, the lower clamping hole of the lower clamping mechanism 7 is in a release state. After the lower end of the indwelling needle hose penetrates into the lower clamping hole, the lower clamping hole is switched to a clamping state.

3. The servo motor 3 reversely rotates to drive the lower clamping mechanism 7 to move downwards, so that the remaining needle hose is drawn downwards, and the remaining needle hose and the funnel are assembled.

4. The upper clamping hole of the upper clamping mechanism 4 is switched to a clamping state, the lower clamping hole of the lower clamping mechanism 7 is switched to a loosening state, the servo motor 3 stops, the third cylinder 1402 drives the cutting blade 1405 to move to cut off the remaining needle hose, the fixed cutting is realized, and the assembly of a group of remaining needle hoses and the funnel is completed.

5. The steps are repeated, and the continuous feeding of the indwelling needle hose and the assembly of the indwelling needle hose and the funnel can be realized.

The above description is only a few embodiments of the present invention, and those skilled in the art can make various changes or modifications to the embodiments of the present invention according to the disclosure of the application document without departing from the spirit and scope of the present invention.

Claims

1. A device for continuously providing a catheter for indwelling needle in combination with a funnel, comprising:

2. The apparatus of claim 1, wherein the upper clamping mechanism comprises:

the vertical fixing plate is arranged on the horizontal fixing plate;

3. The device as claimed in claim 2, wherein the surface of the first outer fixing block facing the vertical fixing plate is recessed inwards to form a stroke groove, and the first fixing clamping groove is arranged on the bottom wall of the stroke groove; connecting wings are formed on two sides of the stroke groove, and the first outer fixing block is fixedly connected with the vertical fixing plate through the two connecting wings; the center of the bottom wall of the stroke groove is inwards sunken to form a guide groove, the center of the outer surface of the first inner moving block is outwards bulged to form a guide bulge, and the guide bulge is inserted into the guide groove; the first fixed clamping grooves are two and distributed on two sides of the guide groove.

4. The apparatus as claimed in claim 3, wherein said first inner moving block is moved in said travel groove by said first cylinder so that said first inner moving block has a clamping operating position with its outer surface abutting against said travel groove bottom wall and a release operating position with its outer surface spaced from said travel groove bottom wall;

5. The apparatus of claim 4, wherein the lower clamping mechanism comprises:

the fixing piece is arranged on the sliding block;

6. The apparatus as claimed in claim 5, wherein said second inner moving block is moved between said fixed member and said second outer fixed block by said second cylinder so that said second inner moving block has a clamping operating position in which an outer surface thereof is brought into abutment with an outer surface of said second outer fixed block and a release operating position in which an outer surface thereof is spaced from an outer surface of said second outer fixed block;

7. The apparatus of claim 6, wherein the slider is provided with a cutting mechanism for cutting off the indwelling needle hose, comprising: the cutting fixing plate is arranged on the sliding block, the third air cylinder is arranged on the cutting fixing plate, the guide fixing piece is connected with a telescopic rod of the third air cylinder, the blade clamping block is arranged on the guide fixing piece, and the cutting blade is fixed on the blade clamping block; the guide fixing piece is in contact with the outer surface of a cylinder sleeve of the third cylinder, and the extending direction of the edge of the cutting blade and the extending direction of the telescopic rod of the third cylinder form an acute angle.

8. The apparatus of claim 7, wherein the apparatus has a pulling state, a return state, and a shear state;

9. The device as claimed in claim 1, wherein a heating module is arranged on the horizontal fixing plate, a heating channel which is communicated up and down is arranged in the heating module, and the heating channel corresponds to the upper clamping hole; the heating module includes:

the supporting column is fixed on the horizontal fixing plate;

10. The device as claimed in claim 1, wherein a guiding telescopic tube is provided between the upper and lower clamping mechanisms, and the upper and lower ends of the guiding telescopic tube are respectively connected and communicated with the upper and lower clamping holes.