CN215153513U

CN215153513U - Engraver cutter mounting structure

Info

Publication number: CN215153513U
Application number: CN202121387828.9U
Authority: CN
Inventors: 朱佳新; 朱东; 朱秋宇
Original assignee: Guangxi Xiangdong Electronic Technology Co ltd
Current assignee: Guangxi Xiangdong Electronic Technology Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2021-12-14
Anticipated expiration: 2031-06-22

Abstract

The utility model discloses an engraver cutter mounting structure belongs to engraver technical field. The cutting tool comprises a cutting tool and a fixed seat, wherein the cutting tool comprises a fixed end and a cutting end, a first mounting hole is formed in the fixed end, a placing groove is formed in the fixed seat, a screw hole is formed in the placing groove, and the fixed end of the cutting tool is arranged in the placing groove; the method is characterized in that: the middle part of the cushion block is provided with a second mounting hole, the outer edge of the second mounting hole is provided with an annular bulge embedded with the first mounting hole, and two opposite sides of the cushion block are provided with inserting rods; one end of the fastener is abutted against the cushion block, the other end of the fastener is provided with a screw rod, and the screw rod penetrates through the first mounting hole and the second mounting hole and is screwed in the screw hole; slots are arranged on two sides of the placing groove, and the end parts of the inserting rods are inserted into the slots. The technical problems that the traditional engraving machine adopts simple bolts to fix the cutter, so that the acting force of the cutter is not uniform, the stress of the cutter is easy to concentrate, and the service life of the cutter is shortened are solved.

Description

Engraver cutter mounting structure

Technical Field

The utility model relates to an engraver technical field especially relates to an engraver cutter mounting structure.

Background

The traditional carving machine tool bit part generally comprises a tool, a driver for driving the tool to move at high frequency, and a connecting base for fixedly connecting the driver and a carving machine body; the cutter is provided with a mounting hole, the cutter mounting structure generally comprises a driver end part provided with a placing groove, the placing groove is internally provided with a screw hole and a bolt for fixing the cutter, the cutter is placed in the placing groove during mounting, the bolt penetrates through the mounting hole and is arranged in the screw hole, and the cutter can be mounted by screwing; although the cutter mounting structure and the operation method are simple and convenient, the problems exist, the fastening bolt is directly contacted with the cutter, the contact surface of the bolt and the cutter is small, the acting force on the cutter is not uniform, the stress of the cutter is easy to concentrate, the cutter is easy to break when the cutter moves at high frequency, and the service life of the cutter is greatly shortened. The number of times that the cutter needs to be replaced by the same workload is increased, so that the cost is increased, the working strength of operators is increased, and the engraving efficiency of the engraving machine is greatly influenced.

Disclosure of Invention

The utility model aims at providing an above-mentioned problem, provide a engraver cutter mounting structure, solve traditional engraver and adopt simple bolt to fix the cutter, and cause the cutter effort inhomogeneous, cutter stress easily concentrates, causes the technical problem that cutter life shortens.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

a mounting structure of a carving machine cutter comprises a cutter and a fixed seat, wherein the cutter comprises a fixed end and a cutting end, a first mounting hole is formed in the fixed end, one end of the fixed seat is fixedly connected with a driver, a placing groove matched with the fixed end of the cutter is formed in the other end of the fixed seat, a screw hole is formed in the placing groove, and the fixed end of the cutter is mounted in the placing groove; the middle part of the cushion block is provided with a second mounting hole, the outer edge of the second mounting hole is provided with an annular bulge embedded with the first mounting hole, and two opposite sides of the cushion block are provided with inserting rods; one end of the fastener is abutted against the cushion block, the other end of the fastener is provided with a screw rod, and the screw rod penetrates through the first mounting hole and the second mounting hole and is screwed in the screw hole; slots are formed in the two sides of the placing groove, and the end portions of the inserting rods are inserted into the slots.

Furthermore, an inclined inner wall is arranged in the placing groove, and the inclined inner wall is far away from the screw hole; and an inclined outer wall which is abutted against the inclined inner wall is arranged on the outer side of the inserting end of the inserting rod.

Furthermore, two opposite sides of the inserted bar are provided with binding surfaces, and when the end part of the inserted bar is inserted into the slot, the binding surfaces are bound with the cutter in a pressing way.

Furthermore, the inserted link is made of spring steel.

Further, the outer end of the fastener is provided with a dismounting groove.

Further, the assembling and disassembling groove is a straight groove, a cross groove, a flower-shaped groove or a polygonal groove.

Due to the adoption of the technical scheme, the beneficial effects of the utility model are that:

1. when the utility model is used, the fixed end of the cutter is clamped into the placing groove, and the end parts of the two insert rods of the cushion block are inserted into the slots, so that the cutter mounting surface is completely attached to the cushion block, and the annular bulge is embedded into the first mounting hole; then, a screw rod of a fastener penetrates through the first mounting hole and the second mounting hole and is screwed in the screw hole; in the using process, the cushion block and the cutter form multi-surface and multi-part contact, so that stress concentration caused by connection of a single bolt and the cutter is avoided; by arranging the cushion block, the fastener is not in direct contact with the cutter, and the cutter is not easy to be damaged in the process of assembling and disassembling the fastener; the insert rod is arranged, so that the cushion block can be prevented from rotating, and a large contact surface between the cushion block and the cutter can be ensured. Based on the above, the utility model provides a traditional engraver adopts simple bolt to fix the cutter, and causes the cutter effort inhomogeneous, and cutter stress is easily concentrated, causes the technical problem that cutter life shortens.

2. The utility model discloses a set up the slope inner wall in the standing groove and be provided with the slope outer wall in the outside of the grafting end of inserted bar, the inserted bar inserts the standing groove, and the slope inner wall offsets with the slope outer wall, and the inserted bar inboard offsets with the cutter lateral wall, increases the area of contact of cutter, is provided with the binding face simultaneously and further improves the cutter contact surface, further dispersion fastening stress, reduces cutter stress concentration.

3. The utility model adopts spring steel, when the fastener is loosened, the contact force between the inserted bar and the cutter is automatically reduced, which is convenient for taking out the cushion block; the outer end of the fastener is provided with the dismounting groove, and the dismounting groove is positioned for using a tool straight screwdriver, a cross screwdriver and a flower-shaped and polygonal columnar tool.

Drawings

FIG. 1 is a three-dimensional structure diagram of the present invention;

FIG. 2 is a cross-sectional structural view of the present invention;

FIG. 3 is a three-dimensional structure diagram of the cutting tool of the present invention;

FIG. 4 is a three-dimensional structure diagram of the fixing base of the present invention;

FIG. 5 is a three-dimensional structure diagram of the cushion block of the present invention;

in the attached drawing, 1-cutter, 2-fixed seat, 3-cushion block, 4-fastener, 11-fixed end, 12-cutting end, 13-first mounting hole, 21-placing groove, 22-screw hole, 23-slot, 24-inclined inner wall, 31-second mounting hole, 32-annular protrusion, 33-inserted rod, 34-inclined outer wall, 35-binding face, 41-screw rod and 42-dismounting groove.

Detailed Description

The following describes the embodiments of the present invention with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "up", "down", "vertical", "horizontal", "top", "bottom", "inner", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. 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 present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1 to 5, a mounting structure of a carving machine tool includes a tool 1, a fixing seat 2, a cushion block 3 and a fastening piece 4, wherein the tool 1 includes a fixing end 11 and a cutting end 12, the fixing end 11 is provided with a first mounting hole 13, one end of the fixing seat 2 is fixedly connected with a driver, the other end is provided with a placing groove 21 matched with the fixing end 11 of the tool 1, a screw hole 22 is arranged in the placing groove 21, and the fixing end 11 of the tool 1 is arranged in the placing groove 21; a second mounting hole 31 is formed in the middle of the cushion block 3, an annular bulge 32 embedded with the first mounting hole 13 is formed in the outer edge of the second mounting hole 31, and inserting rods 33 are arranged on two opposite sides of the cushion block 3; one end of the fastener 4 is abutted against the cushion block 3, the other end of the fastener is provided with a screw rod 41, and the screw rod 41 penetrates through the first mounting hole 13 and the second mounting hole 31 and is screwed in the screw hole 22; the two sides of the placing groove 21 are provided with slots 23, and the end part of the inserted rod 33 is inserted in the slots 23.

In this embodiment, the placing groove 21 is provided with an inclined inner wall 24, and the inclined inner wall 24 is far away from the screw hole 22; an outer inclined wall 34 is provided outside the insertion end of the insertion rod 33 to abut against the inner inclined wall 24. The opposite sides of the two inserting rods 33 are provided with binding surfaces 35, and when the end parts of the inserting rods 33 are inserted into the slots 23, the binding surfaces 35 are pressed and bound with the cutter 1. Through setting up slope inner wall 24 and being provided with slope outer wall 34 in the outside of the grafting end of inserted bar 33 in standing groove 21, inserted bar 33 inserts standing groove 21, and slope inner wall 24 offsets with slope outer wall 34, and the inserted bar 33 inboard offsets with cutter 1 lateral wall, increases cutter 1's area of contact, is provided with binding face 35 simultaneously and further improves cutter 1 contact surface, further disperses fastening stress, reduces cutter 1 stress concentration.

In this embodiment, the insertion rod 33 is made of spring steel. The outer end of the fastener 4 is provided with a removal groove 42. The disassembly groove 42 is a straight groove, a cross groove, a flower-shaped groove or a polygonal groove. The inserted link 33 is made of spring steel, and when the fastening piece 4 is loosened, the contact force between the inserted link 33 and the cutter 1 is automatically reduced, so that the cushion block 3 can be conveniently taken out; the outer end of the fastener 4 is provided with a dismounting groove 42, and the tool is used for a straight screwdriver, a cross screwdriver, a flower-shaped or polygonal column-shaped tool.

When the tool is used, the fixed end 11 of the tool 1 is clamped into the placing groove 21, the end parts of the two inserting rods 33 of the cushion block 3 are inserted into the inserting grooves 23, the mounting surface of the tool 1 is completely attached to the cushion block 3, and the annular bulge 32 is embedded into the first mounting hole 13; then the screw rod 41 of the fastener 4 passes through the first mounting hole 13 and the second mounting hole 31 and is screwed into the screw hole 22; in the using process, the cushion block 3 and the cutter 1 form multi-surface and multi-part contact, so that stress concentration caused by connection of a single bolt and the cutter 1 is avoided; by arranging the cushion block 3, the fastener 4 is not in direct contact with the cutter 1, and the cutter 1 is not easily damaged in the process of assembling and disassembling the fastener 4; the inserted rod 33 is arranged, so that the cushion block 3 can be prevented from rotating, and a large contact surface between the cushion block 3 and the cutter 1 can be ensured. Based on the above, the utility model provides a traditional engraver adopts simple bolt to fix cutter 1, and causes to be inhomogeneous to cutter 1 effort, and cutter 1 stress is easily concentrated, causes the technical problem that cutter 1 life shortens.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims

1. A mounting structure of a carving machine cutter comprises a cutter and a fixed seat, wherein the cutter comprises a fixed end and a cutting end, a first mounting hole is formed in the fixed end, one end of the fixed seat is fixedly connected with a driver, a placing groove matched with the fixed end of the cutter is formed in the other end of the fixed seat, a screw hole is formed in the placing groove, and the fixed end of the cutter is mounted in the placing groove; the method is characterized in that: the middle part of the cushion block is provided with a second mounting hole, the outer edge of the second mounting hole is provided with an annular bulge embedded with the first mounting hole, and two opposite sides of the cushion block are provided with inserting rods; one end of the fastener is abutted against the cushion block, the other end of the fastener is provided with a screw rod, and the screw rod penetrates through the first mounting hole and the second mounting hole and is screwed in the screw hole; slots are formed in the two sides of the placing groove, and the end portions of the inserting rods are inserted into the slots.

2. The engraver knife mounting structure of claim 1, wherein: an inclined inner wall is arranged in the placing groove, and the inclined inner wall is far away from the screw hole; and an inclined outer wall which is abutted against the inclined inner wall is arranged on the outer side of the inserting end of the inserting rod.

3. The engraver knife mounting structure of claim 2, wherein: two one side that the inserted bar is in opposite directions all is provided with binding face, when the inserted bar tip is pegged graft in the slot, binding face with the cutter pressfitting pastes mutually.

4. The engraver knife mounting structure of claim 3, wherein: the inserted bar is made of spring steel.

5. The engraver knife mounting structure of claim 1, wherein: the outer end of the fastener is provided with a dismounting groove.

6. The engraver knife mounting structure of claim 5, wherein: the assembling and disassembling groove is a straight groove, a cross groove, a flower-shaped groove or a polygonal groove.