CN216609125U

CN216609125U - Level cutting tool

Info

Publication number: CN216609125U
Application number: CN202122460845.7U
Authority: CN
Inventors: 李雪瑞; 李锋; 张帆; 朱豪杰; 朱方舟
Original assignee: Jianyuan Medical Technology Wuxi Co ltd
Current assignee: Jianyuan Medical Technology Wuxi Co ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-05-27
Anticipated expiration: 2031-10-13

Abstract

The utility model discloses a leveling cutting tool, which comprises a positioning block, wherein a positioning jack is formed on the positioning block, and the positioning jack comprises two straight hole sections, the inner ends of which keep a gap; the cutter assembly is movably arranged on the positioning block and comprises a cutter and an operating part, the cutter is perpendicular to the axis of the positioning insertion hole, the thickness of the cutter is equal to the distance between the gaps of the two straight hole sections, and the cutter is opposite to the gap; the cutting edge of the cutter can move to the gap from the outer side of the gap to cut off the articles positioned in the gap; the operating component is connected with the cutter and extends out of the positioning block. This scheme is cut through making the cutter in the clearance department of two straight hole sections, and the material of cutting position both sides all has the straight hole section to provide support and injectd for the material of cutting position both sides is difficult for taking place to warp when the cutting, thereby effectively avoids because the problem that the cutting position that deformation caused changes, can improve the roughness of cutting plane effectively, improves the cutting quality.

Description

Level cutting tool

Technical Field

The utility model relates to the field of medical instrument processing equipment, in particular to a flat cutting tool.

Background

In the sacculus pipe course of working, involve and need cut into the segment with polymer plastic tubing so that use, current cutting method makes polymer plastic tubing stretch out outside the hole, cuts through the cutter that is located the hole outside, and the problem of cutting like this lies in that the roughness at the both ends of the plastic tubing that the cutting obtained is relatively poor, has reduced the quality of cutting.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving the above problems of the prior art and to providing a flat cutting tool.

The purpose of the utility model is realized by the following technical scheme:

a flat cutting tool comprising

The positioning block is provided with a positioning jack, and the positioning jack comprises two straight hole sections with gaps kept at the inner ends;

the cutter assembly is movably arranged on the positioning block and comprises a cutter and an operating part, the cutter is perpendicular to the axis of the positioning insertion hole, the thickness of the cutter is equal to the distance between the gaps of the two straight hole sections, and the cutter is opposite to the gap; the cutting edge of the cutter can move to the gap from the outer side of the gap to cut off the articles in the gap; the operating component is connected with the cutter and extends out of the positioning block.

Preferably, the positioning block includes a first member and a second member assembled as a whole, at least one of the first member and the second member has a mounting hole, and a quick-change element having a straight hole section is detachably disposed in the mounting hole.

Preferably, the cutter is located in the inner cavity of the positioning block and has an inclined cutting edge, the vertex of the cutting edge is higher than the vertex of the positioning insertion hole, the bottom point of the cutting edge is not higher than the bottom point of the positioning insertion hole, the operating part is linearly movably arranged on the positioning block and has an operating handle extending out of the top of the positioning block.

Preferably, the cutter is detachably mounted on the operating member.

Preferably, the operating member is slidably disposed on a linear guide rail in the positioning block, and the linear guide rail extends horizontally and in a direction perpendicular to an axis of the positioning insertion hole.

Preferably, the operating component is connected with a reset mechanism, and the reset mechanism stores force when the operating component drives the cutter to move towards the object and cut and drives the operating component to reset when the external force applied to the operating component is released.

Preferably, canceling release mechanical system includes fixed pin, the loose pin and the extension spring of setting on operating unit that the position is fixed, form highly equivalent joint groove on fixed pin and the loose pin, the both ends of extension spring are cup jointed the joint groove department of fixed pin and loose pin.

Preferably, a supporting block is arranged beside the feed port of the positioning insertion hole, and a guide groove corresponding to the feed port of the positioning insertion hole is formed in the top surface of the supporting block.

Preferably, a material receiving box is arranged below the discharge hole of the positioning insertion hole.

Preferably, the positioning block and the material receiving box are arranged on a base, and a positioning groove for limiting the material receiving box is formed in the base.

The technical scheme of the utility model has the advantages that:

this scheme is cut through making the cutter in the clearance department of two straight hole sections, and the material of cutting position both sides all has the straight hole section to provide support and injectd for the material of cutting position both sides is difficult for taking place to warp when the cutting, thereby effectively avoids because the problem that the cutting position that deformation caused changes, can improve the roughness of cutting plane effectively, improves the cutting quality.

The locating piece of this scheme adopts a plurality of component equipment modes to be convenient for carry out the installation of cutter unit spare, and simultaneously, two straight hole sections can set up on quick-change, and quick-change is connected with two component quick detach, can adapt to the cutting requirement of the material of different shapes and size.

The operating unit of this scheme connects canceling release mechanical system, can automatic re-setting after the cutting, need not artificial intervention, is favorable to improving operating efficiency.

The locating piece outside of this scheme sets up the supporting shoe, forms the guide way on the supporting shoe and treats the cutting material and lead to and be favorable to reducing the outside influence of waiting to cut the material to the material in the location jack.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is an enlarged view of area A of FIG. 1;

FIG. 3 is a perspective view of the present invention;

FIG. 4 is a perspective view of the present invention with the material receiving box and the first member removed (the movable pin is not connected to the tension spring in the drawing);

FIG. 5 is an end view of the present invention with the pod and first member removed.

Detailed Description

Objects, advantages and features of the present invention will be illustrated and explained by the following non-limiting description of preferred embodiments. The embodiments are merely exemplary for applying the technical solutions of the present invention, and any technical solution formed by replacing or converting the equivalent thereof falls within the scope of the present invention claimed.

It is noted that the terms "first," "second," "third," "fourth," and the like (if any) in the description and in the claims of the present disclosure are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the disclosed embodiments of the utility model are capable of operation in other sequences than described of the embodiments. Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Example 1

The flat cutting tool disclosed herein for cutting elongated or tubular cuttable materials (e.g., plastics, rubbers, etc.) into small pieces is described with reference to the accompanying drawings, which are shown in fig. 1 and 2, and include

The positioning block 100 is provided with a positioning insertion hole 110, and the positioning insertion hole 110 can be a circular hole or a square hole or other feasible hole shapes according to different outer profiles of materials to be cut; the positioning insertion hole 110 comprises two straight hole sections, the inner ends of which keep a gap 130, and the hole shapes and the sizes of the straight hole sections are consistent;

the cutter assembly 200 is movably arranged on the positioning block 100 and comprises a cutter 210 and an operating part 220, the cutter 210 is perpendicular to the axis 120 of the positioning insertion hole 110, the thickness of the cutter 210 is equal to the distance between the gaps 130 of the two straight hole sections, and the cutter 210 is opposite to the gaps 130; the cutting edge 211 of the cutter 210 can move from the outer side of the gap 130 to cut off the articles in the gap 130; the operating member 220 is connected to the cutting knife 210 and protrudes outside the positioning block 100.

This scheme is through making cutter 210 cut in the clearance 130 department of two straight hole sections, and the material of cutting position both sides all has the straight hole section to provide support and injectd for the material of cutting position both sides is difficult for taking place to warp when the cutting, thereby effectively avoids because the problem that the cutting position that deformation caused changes, can improve the roughness of cutting plane effectively, improves the cutting quality.

As shown in fig. 1 and fig. 2, the positioning block 100 may be a block body having an inner cavity 140, and the shape of the block body may be designed according to different requirements, and in this embodiment, the block body is preferably a round rectangular parallelepiped. The locating block 100 may be a member, such as drilled or injection molded. The positioning block 100 may include a first member 150 and a second member 160 integrally assembled to each other, and the first member 150 and the second member 160 may be integrally formed in a plate shape and coupled to each other by bolts or screws perpendicular to the first member 150 and the second member 160. A boss 151 is formed at the top of the inner side of the first member 150, a mounting groove 162 is formed on the inner side of the second member 160, the mounting groove 162 is opposite to the boss 151, and the depth of the mounting groove 162 is greater than the thickness of the boss 151, so that a long hole 170 is formed at the top of the assembled positioning block 100 to facilitate the movement of the operating part 220.

As shown in fig. 2, a protrusion 152 located below the boss 151 is formed on the inner side surface of the first member 150, and a through hole extending to the outer side surface of the first member 150 is coaxially formed at the protrusion 152, and the through hole is the first straight section 111 of the positioning insertion hole 110. The second member 160 is formed with a mounting hole 161 coaxial with the through hole, the mounting hole 161 may be a screw hole and a counter bore, the mounting hole 161 is mounted with a quick-change piece 170, the quick-change piece 170 is bolt-shaped and is screwed with the mounting hole 161, the inner end of the quick-change piece 170 is adjacent to the inner end of the protrusion 152 and maintains the gap 130, the quick-change piece 170 is formed with a hole coaxial with the through hole at the protrusion and having the same shape and size, and the hole is the second straight hole section 112 of the positioning insertion hole 110.

Of course, in another embodiment, the second member 160 may be directly formed with the same structure as the protrusion 152 of the first member 150; alternatively, the first member 150 has the same structure as the mounting hole 161 of the second member 160 and the quick-change element 170, and the structure of the quick-change element 170 on both the first member and the second member can be designed by changing different quick-change elements 170 so that the straight hole segments can have different shapes and sizes to meet the cutting requirements of materials with different sizes and patterns.

As shown in fig. 3 and 4, the operating member 220 extends from the inner cavity 140 of the positioning block 100 to above the top surface of the positioning block 100 through the elongated hole 170 at the top of the positioning block 100, and is linearly movably disposed on the positioning block 100 along the elongated hole 170, and a portion of the operating member that extends above the top of the positioning block 100 is provided with an operating handle 221, and a width of the operating handle 221 is greater than a thickness of the cutter mounting portion 222 of the operating member 220 for manual operation.

As shown in fig. 4, the cutter mounting portion 222 is a vertically arranged plate, the thickness of which is equal to the width of the elongated hole 170, a cutter mounting groove 223 is formed on one side surface thereof, the cutter mounting groove 223 is rectangular and inclined, one side of the cutter mounting groove 223 is open (i.e., the cutter mounting groove is close to a U shape) and the opening faces downward, a positioning projection 224 corresponding to the position of the positioning hole on the cutter and a screw hole 225 corresponding to the position of the fixing notch on the cutter are provided in the cutter mounting groove 223, and the cutter is detachably mounted in the cutter mounting groove 223 by a screw or bolt and nut passing through the fixing notch and the screw hole 225.

As shown in fig. 4 and 5, the cutting knife 210 is a rectangular blade, when the cutting knife 210 is installed in the cutting knife installation groove 223, the cutting edge 211 of the cutting knife extends from the opening of the cutting knife installation groove 223 to the outside of the cutting knife installation part, because the cutting knife installation groove 223 is inclined, the cutting knife 210 has an inclined cutting edge 211, the vertex 212 of the cutting edge 211 is higher than the vertex of the positioning insertion hole 110, the bottom point 213 of the cutting edge 211 is not higher than the bottom point of the positioning insertion hole 110, when the operating part 220 is located at the right end of the elongated hole 170, the cutting edge 211 of the cutting knife 210 is located at the outside of the positioning insertion hole 110, and no blockage is generated for the insertion of the material; when the operating member 220 moves from the right end to the left end of the elongated hole 170, the cutting edge 211 moves to the gap 130 between the two straight hole sections for cutting.

As shown in fig. 5, in order to ensure that the linear movement of the cutting knife 210 does not cause a positional deviation, the operating member 220 is slidably disposed on a linear guide 230 in the positioning block 100, and the linear guide 230 extends horizontally and in a direction perpendicular to the axis 120 of the positioning insertion hole 110. At this time, the operating member 220 further includes a sliding connection portion 226 located at the lower end of the mounting portion of the cutting blade 210, the sliding connection portion 226 is connected to a sliding block 227 slidably disposed on the linear guide 230, and the sliding connection portion 226 may be a small block having a length much smaller than that of the mounting portion of the cutting blade 210.

As shown in fig. 4, in order to ensure the supporting performance and facilitate the connection and installation of other structures, the sliding connection portion 226 is approximately a rectangular block, the length direction of the block is consistent with the extending direction of the linear guide 230, the length of the block is equivalent to the length of the mounting portion of the cutter 210, the width of the block is slightly smaller than the width of the positioning block, the cutter 210 is adjacent to the center line of the sliding connection portion 226 in the width direction, and an avoiding groove 228 is formed on the top surface of the sliding connection portion 226 in order to avoid interference with the cutter 210. In addition, a strip-shaped notch (not shown) is formed in the second member below the installation notch to facilitate the installation of the linear guide 230 and the sliding connection portion and to avoid interference with the linear movement of the sliding connection portion.

As shown in fig. 4, after the operating unit 220 moves to the left to cut, the operating unit 220 needs to be reset to cut again, which usually needs to be manually performed by an operator, in order to reduce labor intensity, the operating unit 220 is connected to a reset mechanism 240, and the reset mechanism 240 stores power when the operating unit 220 drives the cutter 210 to move towards the object to cut and drives the operating unit 220 to reset when the external force applied to the operating unit 220 is released.

As shown in fig. 5, the reset mechanism 240 includes a fixed pin 241 having a fixed position, a movable pin 242 provided on the operating member 220, and a tension spring 243, the fixed pin 241 may be fixed to the right side of the mounting groove 162 and may be fixed to the second member, or may be provided on a base described below, the movable pin 242 may be fixed to the escape groove of the sliding connection portion 226 and extend below the sliding connection portion 226, the fixed pin 241 and the movable pin 242 may form a catching groove 244 having a height corresponding to each other, and both ends of the tension spring 243 may be connected to the catching grooves 244 of the fixed pin 241 and the movable pin 242.

As shown in fig. 1 and fig. 3, in order to better ensure the cutting quality, it is better to limit the material to be cut outside the positioning block 100 to prevent the material from being deformed to form the material in the positioning slot, a supporting block 300 is disposed beside the feeding hole of the positioning socket 110, and a guiding groove 310 corresponding to the position of the feeding hole of the positioning socket 110 is formed on the top surface of the supporting block 300.

As shown in fig. 1 and 4, the cut materials need to be collected in a centralized manner, and therefore, a material receiving box 400 is arranged below the discharge hole of the positioning insertion hole 110, and a holding handle 410 is arranged on the material receiving box 400. Meanwhile, in actual use, the positioning block 100 and the material receiving box may be disposed on a base 500, a positioning groove 510 for defining the material receiving box is formed on the base 500, and the linear guide 230 and the supporting block 300 are also disposed on the base 500. Of course, the base 500 is not necessary, and the positioning block 100, the material receiving box, and the supporting block 300 may be placed on any work bench, and in this case, the linear guide 230 may be fixed to the positioning block 100.

When the flat cutting tool of the scheme is used, the material to be cut with the size equivalent to that of the positioning insertion hole is inserted into the flat cutting tool

Example 2

The present embodiment is similar to embodiment 1 in overall structure, and the difference is that: in this embodiment, the cutter 210 is rotated to realize cutting, at this time, referring to fig. 5, the lower right corner of the mounting portion of the cutter 210 is pivotally connected to the positioning block 100, the operating handle 221 can be disposed at the upper left corner of the mounting portion of the cutter 210, the working principle of this embodiment is similar to that of a guillotine, and details are not repeated here.

The utility model has various embodiments, and all technical solutions formed by adopting equivalent transformation or equivalent transformation are within the protection scope of the utility model.

Claims

1. Level cutting means, its characterized in that: comprises that

2. The flat cutting tool of claim 1, wherein: the positioning block comprises a first component and a second component which are assembled into a whole, at least one of the first component and the second component is provided with a mounting hole, and a quick-change piece with a straight hole section is detachably arranged in the mounting hole.

3. The flat cutting tool of claim 1, wherein: the cutter is located in the inner cavity of the positioning block and is provided with an inclined cutting edge, the vertex of the cutting edge is higher than the vertex of the positioning insertion hole, the bottom point of the cutting edge is not higher than the bottom point of the positioning insertion hole, the operating part can be arranged on the positioning block in a linear moving mode and is provided with an operating handle extending out of the top of the positioning block.

4. The flat cutting tool of claim 3, wherein: the cutter is detachably mounted on the operating member.

5. The flat cutting tool of claim 3, wherein: the operating component is arranged on a linear guide rail in the positioning block in a sliding mode, the linear guide rail extends horizontally, and the extending direction of the linear guide rail is perpendicular to the axis of the positioning insertion hole.

6. The flat cutting tool of claim 1, wherein: the operation component is connected with a reset mechanism, and the reset mechanism stores force when the operation component drives the cutter to move towards an object and cuts and drives the operation component to reset when external force borne by the operation component is released.

7. The flat cutting tool of claim 6, wherein: the reset mechanism comprises a fixed pin with a fixed position, a movable pin arranged on the operating part and a tension spring, wherein the fixed pin and the movable pin are provided with clamping grooves with the same height, and the two ends of the tension spring are sleeved at the clamping grooves of the fixed pin and the movable pin.

8. The flat cutting tool according to any of claims 1-7, wherein: and a supporting block is arranged beside the feed port of the positioning insertion hole, and a guide groove corresponding to the feed port of the positioning insertion hole is formed on the top surface of the supporting block.

9. The flat cutting tool of claim 8, wherein: and a material receiving box is arranged below the discharge hole of the positioning insertion hole.

10. The flat cutting tool of claim 9, wherein: the positioning block and the material receiving box are arranged on the base, and a positioning groove for limiting the material receiving box is formed in the base.