CN218748046U - Hollow hose cutting device - Google Patents

Abstract

The utility model provides a cavity hose cutting device, including the installation face, the higher authority fixedly connected with pipe placement machine of installation face constructs and cuts the mechanism, and pipe placement machine constructs including the stopper and places the piece, and the stopper with place between the piece relative side be equipped with first pipe channel and second pipe channel respectively, and the axle center of first pipe channel and second pipe channel aligns, the stopper with place and be equipped with between the piece and cut the joint-cutting, cut the mechanism and include the connecting block, the connecting block is equipped with the blade, the connecting block sets up in the stopper with place the piece above, the blade is located cuts the joint-cutting in and the blade with cut a joint sliding connection, the pipe terminal surface warp when having solved and cutting the cavity hose, cuts the terminal surface unevenness or has the slope, cuts the problem that the terminal surface exists the hair, reduces the defective rate of goods.

Description

Hollow hose cutting device

Technical Field

The utility model relates to a medical instrument and preparation field especially relate to cavity hose cutting device.

Background

Catheters of various materials, especially plastic catheters, are frequently used in the production or experimental procedures of medical devices. The conduit is generally divided into a rigid pipe and a flexible hose according to the material, the rigid pipe mainly supports the conduit of an external force by depending on the strength of the pipe body material, and the deformation of the conduit is very small under the external force load; the flexible tube, on the contrary, deforms significantly under external force loads.

According to the requirements of the production process of medical appliance products, catheters are frequently required to be cut into specific sizes for use according to different use scenes in the production process. The traditional cutting method generally uses a standardized cutting blade to cut, the cutting can damage the end face of a especially flexible pipe cutting conduit, the end face of the conduit after cutting is deformed, the end face is uneven or inclined, broken filaments exist after cutting, and the like.

Therefore, a cutting device with a relatively complex structure is designed, for example, a utility model patent with an authorization publication number of CN 217318135U provides a catheter cutting device, which comprises a cutting platform and a cutting mechanism, and is characterized in that the cutting platform is provided with a rolling component which can rotate a catheter placed on the cutting platform; the cutting mechanism cuts the conduit when the conduit rotates. The patent needs to insert a mandrel into a catheter to form a hard whole, the catheter inserted into the mandrel is placed in the middle of a rolling assembly to limit the radial movement of the rolling assembly, and the catheter inserted into the mandrel rotates in the circumferential direction under the action of unidirectional cutting force of a cutting blade to cut; although the cutting method of the patent solves the problems that the cut end face is not flat and burrs exist after cutting, the guide pipe inserted into the mandrel is limited in radial movement only and is not limited in axial movement, so that the guide pipe is likely to axially shift in the cutting process, and the cut section is spirally inclined; in addition, the cutting mechanism of the patent structure is too complex in design, the adjustment operation of the position of the blade is complex, the time is wasted during the actual operation, and the actual production and the processing are inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide cavity hose cutting device, can solve when cutting the cavity hose pipe end face deformation, cut the terminal surface unevenness or have the slope, cut the problem that there is the broken filament in the terminal surface.

Therefore, the utility model adopts the following technical proposal:

hollow hose cutting device, including the installation face, the higher authority fixedly connected with pipe placement mechanism of installation face with cut the mechanism, pipe placement mechanism includes the stopper and places the piece, the stopper with place the piece and be equipped with first pipe channel and second pipe channel respectively, first pipe channel with the axle center of second pipe channel aligns, the stopper with place and be equipped with between the piece and cut the joint, cut the mechanism and include the connecting block, the connecting block is equipped with the blade, the connecting block set up in the stopper with place the higher authority of piece, the blade is located cut just in the joint with cut joint sliding connection, hollow hose cutting device is equipped with limit structure, limit structure is located the stopper is kept away from cut one side of joint.

On the basis of adopting above-mentioned technical scheme, the utility model discloses still can adopt following further technical scheme, or to these further technical scheme combined use:

the limiting structure comprises a limiting plate.

The limiting structure comprises a limiting plate, the limiting plate is fixedly connected with a supporting column, the diameter of the supporting column is matched with the inner diameter of the hollow hose, the length of the supporting column is equal to the width of the limiting block, and the diameter of the first conduit channel is larger than that of the supporting column.

The support column includes that three axle center is the same, the cross-section is sectorial bracing piece, two all set up the space stop seam between the bracing piece, the center of support column forms the plug and props the hole, the limiting plate is equipped with the plug hole that runs through, the plug hole with the axle center in plug props the hole is aimed at.

The cutting device is characterized in that a reset mechanism is arranged on one side of the connecting block and comprises a reset spring and a reset stop block, the bottom surface of the reset stop block is fixedly connected with the upper surface of the mounting surface, the reset spring is arranged between the reset stop block and the connecting block, the cutting direction of the connecting block is the stretching direction of the reset spring, the connecting block is positioned at one end of the cutting seam, and the blade of the connecting block does not fall off the cutting seam.

One side of the cutting seam is provided with a movement mechanism, the movement mechanism comprises a guide rail and a guide rail sliding block, the guide rail is fixedly connected to the upper surface of the mounting surface, the guide rail is connected with the guide rail sliding block in a sliding mode, the sliding direction of the guide rail sliding block is parallel to the cutting seam, and a connecting guide pillar is fixedly connected between the guide rail sliding block and the connecting block.

Guide rail sliding grooves are formed in two sides of the guide rail and are parallel to the cutting seams, and sliding shafts matched with the guide rail sliding grooves are arranged in the sliding grooves of the guide rail sliding blocks.

The limiting block with place the piece in be equipped with a plurality of different diameters respectively first pipe passageway with the second pipe passageway, the diameter of second pipe passageway and the external diameter phase-match of the hollow hose that needs cut, just first pipe passageway with the quantity one-to-one correspondence of second pipe passageway, the diameter is the same first pipe passageway with the axle center alignment of second pipe passageway.

The cutting edge of the blade is gradually inclined downwards back to the cutting direction, and the inclination angle between the cutting edge of the blade and the mounting surface is 30-60 degrees.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

1. the problems that the end face of the conduit deforms when the hollow hose is cut, the cut end face is not flat or inclined, and broken filaments exist on the cut end face are solved, and the reject ratio of products is reduced;

2. the cutting device is reasonable in structure, convenient to use, simple in cutting process, easy to operate, and capable of greatly reducing the working difficulty and improving the working efficiency;

3. the application range is wide, and the hollow catheter is suitable for hollow catheters with various sizes;

4. the design that semi-automatization formula was cut can improve the cutting efficiency and the effect of cutting of product.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a three-dimensional schematic view of the motion mechanism of the present invention;

fig. 3 is a three-dimensional schematic view of the placement mechanism of the present invention;

fig. 4 is a side view of the cutting mechanism and the reset mechanism of the present invention;

fig. 5 is a three-dimensional schematic view of the cutting mechanism and the resetting mechanism of the present invention;

fig. 6 is a three-dimensional schematic view of a limiting plate and a supporting pillar according to the present invention;

fig. 7 is a schematic sectional view of a part of the structure of one embodiment of the present invention.

Detailed Description

In order that those skilled in the art will better understand the technical solution of the present invention, the following description of the preferred embodiments of the present invention is given in conjunction with the specific examples, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar functional elements throughout, but it should be understood that the drawings are for illustrative purposes only and are not to be construed as limiting the present invention; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that some well-known structures in the drawings and their description may be omitted, and the positional relationship depicted in the drawings is for illustrative purposes only and should not be construed as limiting the present invention.

The present invention will be further described with reference to the drawings and examples, which should not be construed as a limitation to the present invention.

Reference is made to the accompanying drawings. The utility model provides a hollow hose cutting device, including the mounting plane, the mounting plane is bottom plate 10, fixedly connected with pipe placement mechanism 1 and cutting mechanism 4 on bottom plate 10, pipe placement mechanism 1 includes stopper 12 and places piece 13, stopper 12 with place piece 13 and be equipped with first pipe passageway 121 and second pipe passageway 131 respectively, first pipe passageway 121 with the axle center of second pipe passageway 131 aligns, stopper 12 with place and be equipped with cutting seam 5 between piece 13, cutting mechanism 4 includes connecting block 41, connecting block 41 is equipped with blade 43, connecting block 41 set up in stopper 12 with place piece 13 above, blade 43 is located in cutting seam 5 and blade 43 with cutting seam 5 sliding connection, hollow hose cutting device is equipped with limit structure, limit structure is located stopper 12 keeps away from one side of cutting seam 5; the width of the cutting line 5 is larger than the thickness of the blade 43, and the blade 43 can move smoothly in the cutting line 5, and the cutting line 5 can guide the blade 43.

The limit structure may include only the limit plate 11.

The limiting structure comprises a limiting plate 11, the limiting plate 11 is fixedly connected with a supporting column 113, the diameter of the supporting column 113 is matched with the inner diameter of the hollow hose, the length of the supporting column 113 is equal to the width of the limiting block 12, the diameter of the first conduit channel 121 is larger than the diameter of the supporting column 113, and the width of the limiting block 12 is the maximum length of the hollow hose obtained by cutting.

The supporting column 113 comprises three supporting rods with the same axis and fan-shaped sections, a spacing seam is arranged between the two supporting rods, a mandrel supporting hole is formed in the center of the supporting column 113, the limiting plate 11 is provided with a penetrating mandrel hole 111, and the mandrel hole 111 is aligned with the axis of the mandrel supporting hole; when the hollow hose cutting device is used, a core rod and a core shaft can be used in a matched manner, wherein the size of the core rod is matched with that of a core rod supporting hole, namely, the core rod is inserted into the core rod supporting hole of the supporting column 113 through the core rod hole 111, the supporting column 113 is outwards supported from the inside, so that the outer diameter of the supporting column 113 is enlarged, and the diameter of the core shaft is equal to the inner diameter of a hollow hose to be cut.

A reset mechanism 3 is arranged on one side of the connecting block 41, the reset mechanism 3 comprises a reset spring 31 and a reset stop 32, the bottom surface of the reset stop 32 is fixedly connected with the upper surface of the bottom plate 10, the reset spring 31 is arranged between the reset stop 32 and the connecting block 41, the cutting direction of the connecting block 41 is the stretching direction of the reset spring 31, when the reset spring 31 is not subjected to external force, the connecting block 41 is positioned at one end of the cutting seam 5, and the blade 43 of the connecting block 41 does not fall off the cutting seam 5; the return spring 31 is an extension spring, and the initial position of the connecting block 41 may be limited by the length of the return spring 31, or the initial position of the connecting block 41 may be limited by a limiting structure such as a baffle.

One side of the cutting seam 5 is provided with a movement mechanism 2, the movement mechanism 2 comprises a guide rail 21 and a guide rail sliding block 22, the guide rail 21 is fixedly connected to the upper surface of the bottom plate 10, the guide rail 21 is slidably connected with the guide rail sliding block 22, the sliding direction of the guide rail sliding block 22 is parallel to the cutting seam 5, and a connecting guide post 23 is fixedly connected between the guide rail sliding block 22 and the connecting block 41.

Guide rail sliding grooves 212 are formed in two sides of the guide rail 21, the guide rail sliding grooves 212 are parallel to the cutting seams 5, and sliding shafts 221 matched with the guide rail sliding grooves 212 are arranged in the sliding grooves of the guide rail sliding blocks 22.

The limiting block 12 and the placing block 13 are respectively provided with a plurality of first conduit channels 121 and second conduit channels 131 with different diameters, the diameter of the second conduit channels 131 is matched with the outer diameter of a hollow hose to be cut, the first conduit channels 121 correspond to the second conduit channels 131 in number one by one, and the axes of the first conduit channels 121 and the second conduit channels 131 with the same diameter are aligned.

The cutting edge of the blade 43 is inclined downwards back to the cutting direction, and the inclination angle between the blade and the bottom plate 10 is 30-60 degrees.

The thickness of the blade 43 is 0.1 mm-1 mm, the width of the cutting groove 5 is 1 mm-2 mm, the width of the cutting groove 5 is matched with the thickness of the blade 43, and the blade 43 slides in the cutting groove 5 without friction.

The fixing mode of the components can adopt one or more of various modes such as screws, pin hinges, pressing and the like.

The utility model discloses cavity hose cutting device, including following embodiment:

in the initial state, the connecting block 41 is located on one side of the cutting line 5 and the blade 43 of the connecting block 41 does not just fall off the cutting line 5, and the connecting block 41 is not subjected to external force.

Inserting a mandrel matched with the inner diameter of a hollow hose to be cut into the hollow hose from one end of the hollow hose until the end surfaces of the hollow hose and the mandrel are aligned to form a whole, sequentially penetrating the whole formed by the hollow hose and the mandrel through a second conduit channel 131 and a first conduit channel 121 matched with the outer diameter of the hollow hose and penetrating out of a limiting block 12 by a section of length, inserting a supporting column 113 with a proper size into one end of the section of the hollow hose inwards, determining the insertion length according to the required cutting length, completely inserting the supporting column 113 into the hollow hose to obtain the maximum cutting length, placing the supporting column 113 into the corresponding first conduit channel 121 until the limiting block 11 is flatly attached to the limiting block 12, and at the moment, returning the part of the hollow conduit penetrating out of the limiting block 12 into the first conduit channel 121 along with the supporting column 112, and (3) inserting a core rod matched with the core rod supporting hole of the supporting column 113 into the core rod hole 111, so as to change the outer diameter of the supporting column 113 to a certain extent, so that the supporting column 113 supports the inside of the hollow conduit as much as possible, withdrawing the core rod with the inner diameter of the hollow hose, enabling one end of the withdrawn core rod to pass through the first conduit channel 121 and the cutting slit 5 until the withdrawn core rod is withdrawn into the second conduit channel 131, applying external force to the connecting block 4, enabling the connecting block to move along the cutting slit 5, enabling the blade 43 to pass through the hollow hose between the supporting column 113 and the core rod, realizing cutting of the hollow hose, taking out the supporting column 113 and the core rod thereof, and taking off the cut section of the hollow hose outside the supporting column 113, thereby obtaining a cut sample with a fixed length.

Can set up reset spring 31 in one side of connecting block 4, connecting block 4 accomplishes once and cuts the sample, can realize automatic re-setting.

The connecting block 4 is connected with the guide rail slide block 22 through the connecting guide post 23, and the guide rail slide block 22 is forced to slide on the guide rail 21, so that the connecting block 4 can be driven to move.

Only the limiting block 11 can be selected to be arranged, the supporting column 113 is not arranged, the hollow hose placed into the mandrel directly sequentially penetrates through the second conduit channel 131 and the first conduit channel 121 matched with the outer diameter of the hollow hose, the limiting block 11 and the limiting block 12 are flatly attached, external force is applied to the connecting block 4, the hollow hose moves along the cutting seam 5, the blade 43 is enabled to cross the hollow hose in the cutting seam, the mandrel is rotated for one circle, cutting of the hollow hose can be completed, and a cut sample with a fixed length is obtained.

According to the description and the drawings of the present invention, the person skilled in the art can easily make or use the hollow hose cutting device of the present invention, and can produce the positive effects described in the present invention.

It is to be understood that the terms "comprises" and "comprising," and any variations thereof, in the description and claims of the invention and the above-described drawings are intended to cover non-exclusive inclusions. The terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two mechanisms, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "the inside", "the horizontal", "the end", "the length", "the outer end", "the left", "the right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the mechanism or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, should not be construed as limiting the present invention. The terms "first" and "second" are also used for brevity of description only and do not indicate or imply relative importance.

Furthermore, variations to the disclosed embodiments can be understood and effected by those skilled in the art in practicing the claimed invention, from a study of the drawings, the disclosure, and the appended claims. Furthermore, in the claims, the specification, the words "comprise", "comprising", and the like, do not exclude other elements or steps, and non-plural nouns do not exclude plural forms thereof.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, i.e. all equivalent changes and modifications made according to the present invention are covered by the scope of the claims of the present invention, which is not illustrated herein.

Claims (9)

1. Cavity hose cutting device, its characterized in that: the pipe cutting device comprises a mounting surface, a pipe placing mechanism (1) and a cutting mechanism (4) are fixedly connected to the upper surface of the mounting surface, the pipe placing mechanism (1) comprises a limiting block (12) and a placing block (13), the limiting block (12) and the placing block (13) are respectively provided with a first pipe channel (121) and a second pipe channel (131), the axes of the first pipe channel (121) and the second pipe channel (131) are aligned, a cutting seam (5) is arranged between the limiting block (12) and the placing block (13), the cutting mechanism (4) comprises a connecting block (41), the connecting block (41) is provided with a blade (43), the connecting block (41) is arranged on the limiting block (12) and the placing block (13), the blade (43) is located in the cutting seam (5) and the blade (43) is in sliding connection with the cutting seam (5), the hollow hose cutting device is provided with a limiting structure, and the limiting structure is located on one side, far away from the limiting block (12), of the cutting seam (5).

2. The hollow hose cutting apparatus of claim 1, wherein: the limiting structure comprises a limiting plate (11).

3. The hollow hose cutting apparatus of claim 1, wherein: limiting structure includes limiting plate (11), limiting plate (11) fixedly connected with support column (113), the diameter of support column (113) matches with the internal diameter of cavity hose, the length of support column (113) equals the width of stopper (12), the diameter of first pipe passageway (121) is greater than the diameter of support column (113).

4. A hollow hose cutting device as claimed in claim 3, wherein: support column (113) include that three axle center is the same, the cross-section is sectorial bracing piece, two all set up the space stop between the bracing piece, the center of support column (113) forms the plug and props the hole, limiting plate (11) are equipped with core rod hole (111) that run through, core rod hole (111) with the axle center in plug props the hole is aimed at.

5. The hollow hose cutting apparatus of claim 1, wherein: the cutting device is characterized in that a reset mechanism (3) is arranged on one side of the connecting block (41), the reset mechanism (3) comprises a reset spring (31) and a reset stop block (32), the bottom surface of the reset stop block (32) is fixedly connected with the upper surface of the mounting surface, the reset spring (31) is arranged between the reset stop block (32) and the connecting block (41), the cutting direction of the connecting block (41) is the stretching direction of the reset spring (31), the connecting block (41) is located at one end of the cutting seam (5), and the blade (43) of the connecting block (41) does not fall off the cutting seam (5).

6. The hollow hose cutting apparatus of claim 1, wherein: one side of the cutting seam (5) is provided with a movement mechanism (2), the movement mechanism (2) comprises a guide rail (21) and a guide rail sliding block (22), the guide rail (21) is fixedly connected to the upper surface of the mounting surface, the guide rail (21) is in sliding connection with the guide rail sliding block (22), the sliding direction of the guide rail sliding block (22) is parallel to the cutting seam (5), and a connecting guide post (23) is fixedly connected between the guide rail sliding block (22) and the connecting block (41).

7. The hollow hose cutting apparatus of claim 6, wherein: guide rail sliding grooves (212) are formed in two sides of the guide rail (21), the guide rail sliding grooves (212) are parallel to the cutting seams (5), and sliding shafts (221) matched with the guide rail sliding grooves (212) are arranged in the sliding grooves of the guide rail sliding blocks (22).

8. The hollow hose cutting apparatus of claim 1, wherein: the limiting block (12) and the placing block (13) are internally provided with a plurality of first conduit channels (121) and second conduit channels (131) with different diameters respectively, the diameters of the second conduit channels (131) are matched with the outer diameters of hollow hoses to be cut, the first conduit channels (121) correspond to the second conduit channels (131) in number one by one, and the axes of the first conduit channels (121) and the second conduit channels (131) with the same diameters are aligned.

9. The hollow hose cutting apparatus of claim 1, wherein: the cutting edge of the blade (43) is gradually inclined downwards back to the cutting direction, and the inclination angle between the cutting edge and the mounting surface is 30-60 degrees.

Images