CN219169775U

CN219169775U - Cutter fixing device

Info

Publication number: CN219169775U
Application number: CN202320247276.4U
Authority: CN
Inventors: 刘学
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-02-18
Filing date: 2023-02-18
Publication date: 2023-06-13
Anticipated expiration: 2033-02-18

Abstract

The embodiment of the utility model discloses a cutter fixing device, which comprises a cutter holder body, wherein the cutter holder body comprises a cutter mounting groove and a first hole; the cutter mounting groove is formed in the top wall of the cutter holder body and can be used for mounting a straight strip-shaped cutter; the first hole is formed in the middle of the tool holder body, and penetrates through the tool holder body. According to the cutter fixing device, the straight strip-shaped cutters can be installed through the cutter installation grooves, and then the cutter fixing device and the circular cutter fixing device can be detachably connected to the second rotating shaft of the second base through the first holes, so that the cutter fixing device and the circular cutter fixing device can be replaced on the second rotating shaft, the work flow is simplified, and the work efficiency is improved.

Description

Cutter fixing device

Technical Field

The utility model relates to the technical field of cutting, in particular to a device for mounting a cutting element.

Background

The machine tool is the most commonly used equipment in modern machine manufacturing, different types of cutters are needed for cutting materials by the machine tool, some materials are suitable for being cut by the circular cutter in a self-rotating mode, some materials are more suitable for being cut by the straight cutter, and at the moment, the straight cutter is fixed relative to the materials, and the materials rotate.

Referring to fig. 1, a conventional circular knife tool fixture includes a circular knife 100 (the circular knife 100 is a circular knife blade, and the whole text is the same) and a circular knife holder body 200; referring to fig. 2, a circular knife holder body includes a first circular fixing plate 210 and a second circular fixing plate 220; the circle center of the circular knife 100, the circle center of the first circular fixing plate 210 and the circle center of the second circular fixing plate 220 are respectively provided with a through hole; the circular knife fixing device is characterized by further comprising a first base 300, wherein the first base 300 is a part of a machine tool, a first rotating shaft 310 is fixedly connected to the upper part of the first base 300, the first rotating shaft 310 sequentially penetrates through the through hole of the first circular fixing plate 210, the through hole of the circular knife 100, the through hole of the second circular fixing plate 220 and the first nut 320, the first nut 320 is in bolt connection with the first rotating shaft 310, and finally the first nut 320 is tightly twisted, so that the first nut 320, the second circular fixing plate 220, the circular knife 100, the first circular fixing plate 210 and the first base 300 are sequentially tightly extruded towards the side wall of the first circular fixing plate 210, vibration generated by the operation of the circular knife fixing device cannot loosen the first nut 320 in a short time, namely, when the circular knife 100 can stably operate to cut materials in a long time, and the condition that the circular knife 100 loosens when the circular knife fixing device works and the cutting of the materials is not affected.

However, the existing circular knife holder body 200 generally can only install the circular knife 100, and cannot directly install the straight knife 400 after the circular knife 100 is detached from the circular knife holder body 200 (the straight knife 400 is in a straight strip shape, and the whole text is the same), while some materials can only be cut by the straight knife 400, and at this time, the materials need to be moved to a straight knife fixing device in a machine tool to cut, as shown in fig. 3, the straight knife fixing device comprises the straight knife 400, the straight knife holder 500 and the straight knife base 600; the straight blade holder 500 is fixedly provided with the straight blade 400, and the straight blade holder 500 is positioned above the straight blade base 600, and the straight blade base 600 is also a part of the machine tool. Therefore, when the round knife 100 is used to cut the material, if the round knife 400 is replaced to cut the material, the material needs to be transported to the front of the straight knife fixing device again to cut, which results in complicated working process and low working efficiency. It is therefore necessary to redesign a tool fixing device capable of mounting a straight-bar tool, which is movably coupled to the rotation shaft of the first base 300.

Disclosure of Invention

In view of the above, the present utility model provides a tool fixing device capable of mounting a straight bar-shaped tool, and the tool fixing device can be detachably connected with a second rotating shaft of a second base, so as to solve the problem that the tool fixing device of the circular tool in the prior art cannot mount the straight bar-shaped tool to cut materials.

A cutter fixing device comprises a cutter holder body, wherein the cutter holder body comprises a cutter mounting groove and a first hole;

the cutter mounting groove is formed in the top wall of the cutter holder body and can be used for mounting a straight strip-shaped cutter;

the first hole is formed in the middle of the tool holder body, and penetrates through the tool holder body.

Further, the tool mounting groove transversely penetrates through the top wall of the tool holder body.

Further, the tool holder body further comprises a second hole and a first fastener;

the second holes are radially distributed on one side wall of the cutter mounting groove, and each second hole penetrates through one side wall of the cutter mounting groove;

each of the second holes is connectable with one of the first fasteners.

Further, the tool holder body further comprises a third hole and a second fastener;

the third holes are formed in two sides of the first hole, and the directions of the two sides of the first hole are parallel to the penetrating direction of the cutter mounting groove;

the third holes penetrate through the tool holder body, and each third hole can be connected with one second fastening piece.

Further, at least one third hole is respectively arranged on two sides of the first hole, and the third holes on two sides are symmetrically distributed around the first hole.

Further, the tool apron body further comprises a fourth hole and a supporting rod;

the fourth holes are arranged on two sides of the bottom wall of the tool apron body, and the bottom wall is a side wall of the tool apron body away from the tool mounting groove;

one end of the supporting rod can extend into the fourth hole and is connected with the fourth hole.

Further, the inner side wall of the fourth hole is provided with inner spiral lines;

the outer side wall of the supporting rod is provided with outer spiral lines;

one end of the supporting rod can be connected with the inner side wall of the fourth hole through bolts.

Further, at least two fourth holes are formed, and each fourth hole is connected with one supporting rod.

Further, the support rod further comprises a plurality of third fastening pieces, each third fastening piece can be connected with one support rod through bolts, and one side wall, facing the corresponding fourth hole, of each third fastening piece can be abutted to the bottom wall of the tool apron body.

Further, the cutter mounting groove is a rectangular groove.

The implementation of the embodiment of the utility model has the following beneficial effects:

according to the cutter fixing device, the straight strip-shaped cutters can be installed through the cutter installation grooves, and then the cutter fixing device and the circular cutter fixing device can be detachably connected to the second rotating shaft of the second base through the first holes, so that the cutter fixing device and the circular cutter fixing device can be replaced on the second rotating shaft, the work flow is simplified, and the work efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a circular knife tool holder on a base in the prior art;

FIG. 2 is an exploded view of a circular knife holder body according to the background art;

FIG. 3 is a schematic structural view of a straight blade fixture in the background art;

FIG. 4 is a schematic structural view of the tool holder of the present application;

FIG. 5 is an exploded schematic view of the tool holder of the present application;

FIG. 6 is a bottom view of the holder body of the present application;

fig. 7 is a schematic view showing a structure in which the tool fixing device of the present application is mounted on the second base.

Reference numerals: 100. a circular knife; 200. a circular knife holder body; 210. a first circular fixing plate; 220. a second circular fixing plate; 300. a first base; 310. a first rotating shaft; 320. a first nut; 400. a straight knife; 500. a straight knife holder; 600. a straight blade base;

1. a cutter fixing device;

10. a tool apron body; 101. a cutter mounting groove; 102. a first hole; 103. a second hole; 104. a third hole; 105. a fourth hole;

20. a first fastener; 30. a second fastener; 40. a support rod; 50. a third fastener;

2. a second base; 201. a housing; 202. a second rotating shaft; 203. a second nut;

3. straight strip cutter.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In order to better understand the technical solutions of the present application, the following description will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings.

As an example, referring to fig. 4 and 7, a tool fixing device 1 includes a tool holder body 10, the tool holder body 10 including a tool mounting groove 101 and a first hole 102;

the cutter mounting groove 101 is formed in the top wall of the cutter holder body 10, and the cutter mounting groove 101 can be used for mounting the straight cutter 3;

the first hole 102 is disposed in the middle of the tool holder body 10, and the first hole 102 penetrates the tool holder body 10.

In the present embodiment, the tool mounting groove 101 is capable of mounting not only the straight-bar-shaped tool 3 but also other bar-like tools. The second base 2 is a part of a cutting machine, the second base 2 comprises a shell 201, a second rotating shaft 202 and a second nut 203, the shell 201 is fixedly connected to the top wall of the second base 2, the second rotating shaft 202 is fixedly connected to a side wall of the shell 201 perpendicular to the top wall of the second base 2, and the second rotating shaft 202 can be connected with the second nut 203 through bolts. The second shaft 202 is rotated by a driving force, and the second shaft 202 is controlled to rotate and stop by starting or stopping the driving by a start button.

When the circular knife fixing device in the prior art is used for cutting materials, the circular knife and the circular knife holder body are detached from the second rotating shaft 202 only when the circular knife and the circular knife holder body are required to be replaced by the straight knife 3, then the first hole 102 of the knife fixing device 1 is sleeved into the second rotating shaft 202, the second rotating shaft 202 is connected with the second nut 203 through bolts and is twisted tightly, the second nut 203, the knife fixing device 1 and the shell 201 are sequentially tightly extruded together, and then the straight knife 3 is installed in the knife installation groove 101, wherein the second nut 203 is preferably a self-locking nut, so that the second nut 203 is prevented from loosening in a short time due to vibration generated by the operation of the knife fixing device 1, the working efficiency of the knife fixing device 1 is affected, namely, the second nut 203 is not loosened when the knife fixing device 1 works, the knife holder body 10 is loosened and falls down on the second rotating shaft 202, and the efficiency and quality of the cutting materials of the knife fixing device 1 are affected.

Therefore, the tool fixing device 1 of the present application is detachably connected with the second rotating shaft 202 through the first hole 102, and can be quickly replaced with the circular tool fixing device in the prior art, so that the working process can be simplified, and the working efficiency can be improved.

As an example, referring to fig. 4, the tool mounting slot 101 extends transversely through the top wall of the tool holder body 10.

In the present embodiment, when the straight blade 3 is mounted in the blade mounting groove 101, the straight blade 3 can slide in the blade mounting groove 101 to adjust the length of the straight blade 3 extending from the blade mounting groove 101, so that the straight blade 3 can cut a material better.

As an example, referring to fig. 4 and 5, the tool holder body 10 further includes a second hole 103 and a first fastener 20;

the second holes 103 are several, the second holes 103 are uniformly distributed on one side wall of the tool mounting groove 101 in radial direction, and each second hole 103 penetrates through one side wall of the tool mounting groove 101;

each of the second holes 103 is connectable with one of the first fasteners 20.

In this embodiment, each of the second holes 103 is a threaded hole; the first fastening members 20 are preferably lockbolts, which can prevent the first fastening members 20 from being loosened and dropped due to vibration generated by the operation of the tool fixing device 1.

After the straight strip-shaped cutter 3 is placed in the cutter mounting groove 101, the first fastener 20 is rotated to enter the second hole 103, so that one end face of the first fastener 20 far away from the head of the bolt is tightly connected with the straight strip-shaped cutter 3, the first fastener 20, the straight strip-shaped cutter 3 and the inner side wall of the cutter mounting groove 101 are tightly extruded together, the first fastener 20 is prevented from loosening due to vibration generated by the operation of the cutter fixing device 1, the straight strip-shaped cutter 3 is loosened in the cutter mounting groove 101, and even falls, so that the working efficiency of the cutter fixing device 1 for cutting materials is affected.

As an example, referring to fig. 4 and 5, the tool holder body 10 further includes a third hole 104 and a second fastener 30;

the third holes 104 are disposed on two sides of the first hole 102, and the directions of two sides of the first hole 102 are parallel to the penetrating direction of the tool mounting groove 101;

the third holes 104 extend through the tool holder body 10, and each of the third holes 104 can be connected to one of the second fasteners 30.

In this embodiment, each third hole 104 is a threaded hole; the second fastener 30 is preferably a lockbolt, which prevents the second fastener 30 from being loosened and dropped by vibrations generated by the operation of the tool holder 1.

The second fastener 30 can be rotated into the third hole 104 such that an end face of the second fastener 30 remote from the bolt head abuts the housing 201 through the third hole 104. This arrangement enables the tool holder 1 to be more stably fixed to the housing 201, and greatly reduces the probability of loosening of the holder body 10 under vibrations generated when the tool holder 1 is operated.

As an embodiment, referring to fig. 4, at least one third hole 104 is disposed on each of two sides of the first hole 102, and the third holes 104 on two sides are symmetrically distributed around the first hole 102.

In this embodiment, two sides of the first hole 102 are respectively provided with a third hole 104, the first hole 102 is located in the middle of the tool holder body 10, and the distance from each third hole 104 to the first hole 102 is the same, when two third holes 104 are both connected with a second fastener 30 by bolts, the balance of the tool fixing device 1 can be improved, so that the tool fixing device 1 is more stable when working on the second base 2; if only one third hole 104 is bolted with one second fastener 30 and another third hole 104 is not bolted with one second fastener 30, the balance of the tool holder 1 when it is fixed to the second base 2 is reduced.

As an example, referring to fig. 5 and 6, the tool holder body 10 further includes a fourth hole 105 and a support rod 40;

the fourth holes 105 are formed on two sides of a bottom wall of the tool holder body 10, the bottom wall being a side wall of the tool holder body 10 away from the tool mounting groove 101;

one end of the support rod 40 can extend into the fourth hole 105 and be connected.

In this embodiment, the other end of the support rod 40 away from the fourth hole 105 is connected to the top wall of the second base 2, which is a side wall of the second base 2 facing the fourth hole 105.

The support bar 40 reduces the force generated during operation of the tool holder 1 towards the top wall of the second base 2.

As an example, referring to fig. 5 and fig. 6, the inner side wall of the fourth hole 105 is provided with an inner spiral pattern;

the outer side wall of the supporting rod 40 is provided with outer spiral lines;

one end of the support rod 40 can be connected with the inner side wall of the fourth hole 105 through bolts.

In this embodiment, the fourth holes 105 are all threaded holes, the supporting rods 40 are all screw shafts, and the depth of the threaded holes can be flush with the axis of the first hole 102, or even the threaded holes can penetrate from the bottom wall of the tool holder body 10 to the top wall of the tool holder body 10;

the length of the supporting rod 40 can be adjusted in the fourth hole 105 in a spiral manner, when one end of the supporting rod 40 is connected with the inner side wall of the fourth hole 105 in a bolt manner, the length of the supporting rod 40 needs to be adjusted in a spiral manner at the moment, so that the other end of the supporting rod 40 is just abutted against the top wall of the second base 2, and thus the supporting rod can be adapted to other machine tools which are similar machine tools provided with the second base 2 and have different sizes, when the rotating shafts of some machine tools are higher or lower than the height of the second rotating shaft 202, the length of the supporting rod 40 can be adjusted to be abutted against the top wall of the other machine tools, and if the cutter fixing device 1 cuts materials, and the second nut 203 loosens, the supporting rod 40 can be abutted against the top wall of the second base 2, so that the cutter fixing device 1 is prevented from rotating on the second rotating shaft 202, and cutting of the materials is affected.

As an example, referring to fig. 5 and 6, there are at least two fourth holes 105, and each of the fourth holes 105 is bolted to one support bar 40.

In this embodiment, the number of the fourth holes 105 is preferably two, and the fourth holes 105 are distributed on two sides of the bottom wall of the tool holder body 10, and each fourth hole 105 is bolted to one support rod 40. The two support bars 40 can better support the tool holder body 10 and better reduce the force generated by the tool fixing device 1 during operation towards the top wall of the second base 2.

As an example, referring to fig. 5, the support rod 40 further includes a plurality of third fastening members 50, each third fastening member 50 can be connected to one of the support rods 40 by a bolt, and a sidewall of each third fastening member 50 facing the corresponding fourth hole 105 can abut against the bottom wall of the tool holder body 10.

In this embodiment, the third fastener 50 is preferably a self-locking nut.

A third fastener 50 is first bolted to the support bar 40, and the third fastener 50 is located on a side of the third fastener 50 adjacent to the fourth hole 105. When one end of the supporting rod 40 is connected with the inner side wall of the fourth hole 105 through bolts, the length of the supporting rod is adjusted, and the other end of the supporting rod 40 is just abutted against the top wall of the second base 2, the third fastening piece 50 is tightly twisted, so that the third fastening piece is tightly attached to the bottom wall of the second base 2, and the supporting rod 40 is prevented from loosening when the cutter fixing device 1 works.

As an example, referring to fig. 4, the tool mounting groove 101 is a rectangular groove.

In this embodiment, the rectangular groove is convenient for placing the straight strip cutter 3, when the first fastening member 20 rotates into the second hole 103 and is twisted, the side wall of the straight strip cutter 3 facing away from the first fastening member 20 and the side wall of the cutter mounting groove 101, which is not provided with the second hole 103, are tightly attached together, so that the straight strip cutter 3 is better fixed.

In this embodiment, when the circular knife fixing device in the prior art is mounted on the second rotating shaft 202 of the second base 2, the second rotating shaft 202 is driven to rotate so as to drive the circular knife to rotate, and the material itself also rotates so as to cut the material; when the tool fixing device 1 of the present application is mounted on the second rotating shaft 202 of the second base 2, the second rotating shaft 202 is not driven to rotate, so that the tool fixing device 1 does not rotate, but the cutting of the material is performed by the rotation of the material itself and gradually approaching to the cutting edge of the straight strip-shaped tool 3.

It is apparent that the embodiments described above are only some embodiments of the present application, but not all embodiments, the preferred embodiments of the present application are given in the drawings, but not limiting the patent scope of the present application. This application may be embodied in many different forms, but rather, embodiments are provided in order to provide a more thorough understanding of the present disclosure. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing, or equivalents may be substituted for elements thereof. All equivalent structures made by the specification and the drawings of the application are directly or indirectly applied to other related technical fields, and are also within the protection scope of the application.

Claims

1. A tool fixing device, characterized by comprising a tool holder body (10), the tool holder body (10) comprising a tool mounting groove (101) and a first hole (102);

the cutter mounting groove (101) is formed in the top wall of the cutter holder body (10), and the cutter mounting groove (101) can be used for mounting a straight cutter (3);

the first hole (102) is formed in the middle of the tool holder body (10), and the first hole (102) penetrates through the tool holder body (10).

2. The tool holder according to claim 1, wherein,

the tool mounting groove (101) transversely penetrates through the top wall of the tool holder body (10).

3. The tool holder according to claim 2, wherein,

the tool holder body (10) further comprises a second hole (103) and a first fastener (20);

the second holes (103) are formed in a plurality, the second holes (103) are radially distributed on one side wall of the cutter mounting groove (101), and each second hole (103) penetrates through one side wall of the cutter mounting groove (101);

each of the second holes (103) is connectable to one of the first fasteners (20).

4. The tool holder according to claim 1, wherein,

the tool holder body (10) further comprises a third hole (104) and a second fastener (30);

the third holes (104) are formed in two sides of the first hole (102), and the directions of two sides of the first hole (102) are parallel to the penetrating direction of the cutter mounting groove (101);

the third holes (104) penetrate through the tool holder body (10), and each third hole (104) can be connected with one second fastener (30).

5. The tool holder according to claim 4, wherein,

at least one third hole (104) is respectively arranged on two sides of the first hole (102), and the third holes (104) on two sides are symmetrically distributed around the first hole (102).

6. The tool holder according to claim 1, wherein,

the tool apron body (10) further comprises a fourth hole (105) and a supporting rod (40);

the fourth holes (105) are arranged on two sides of the bottom wall of the tool apron body (10), and the bottom wall is a side wall of the tool apron body (10) far away from the tool mounting groove (101);

one end of the supporting rod (40) can extend into the fourth hole (105) and is connected with the fourth hole.

7. The tool holder according to claim 6, wherein,

the inner side wall of the fourth hole (105) is provided with inner spiral lines;

the outer side wall of the supporting rod (40) is provided with outer spiral lines;

one end of the supporting rod (40) can be connected with the inner side wall of the fourth hole (105) through bolts.

8. The tool holder according to claim 6, wherein,

at least two fourth holes (105) are arranged, and each fourth hole (105) is connected with one supporting rod (40).

9. The tool holder according to claim 6, wherein,

the support rod (40) further comprises a plurality of third fasteners (50), each third fastener (50) can be connected with one support rod (40) through bolts, and one side wall of each third fastener (50) facing the corresponding fourth hole (105) can be abutted with the bottom wall of the tool apron body (10).

10. The tool holder according to claim 1, wherein,

the cutter mounting groove (101) is a rectangular groove.