CN114472943A

CN114472943A - Cutting tool

Info

Publication number: CN114472943A
Application number: CN202111325127.7A
Authority: CN
Inventors: 季海风
Original assignee: Taizhou Zhongchi Zhigu Technology Co ltd
Current assignee: Taizhou Zhongchi Zhigu Technology Co ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-05-13

Abstract

The invention discloses a cutting tool, which comprises a tool handle and a blocking mechanism, wherein the top of the tool handle is provided with a mounting groove, the bottom of the inner wall of the mounting groove is fixedly connected with a cushion block, the top of the cushion block is fixedly connected with a limiting column, a blade is arranged above the cushion block, the bottom of the blade is provided with a limiting hole, the blocking mechanism comprises a cavity, the inner wall of the cavity is provided with four movable through holes in an annular array, the inner cavities of the four movable through holes are all sleeved with movable blocks in a sliding mode, one sides of the four movable blocks are all fixedly connected with arc-shaped extrusion plates, the other sides of the four movable blocks are all fixedly connected with stress blocks, and extrusion blocks are arranged among the four stress blocks. The movable block, the arc-shaped extrusion plate, the stress block and the extrusion block are arranged, and the stress block is extruded by the extrusion block, so that the movable block drives the arc-shaped extrusion plate to move in the protruding clamping groove, the compaction between the limiting column and the limiting hole is ensured, the movable clamping device is suitable for all blades in a machining error interval, and the installation strength of the blades is improved.

Description

Cutting tool

Technical Field

The invention relates to the technical field of cutting tools, in particular to a cutting tool.

Background

Cutting tools are tools used in machining for cutting operations. Most knives are machine, but also hand-held. Since tools used in machine manufacturing are basically used for cutting metal materials, the term tool is to be understood as a metal cutting tool. The working part of the cutter is a part for generating and treating the cutting chips, and comprises a cutting edge, a structure for breaking or rolling up the cutting chips, a space for discharging or storing the cutting chips, a channel of cutting fluid and other structural elements.

At present cutting tool mainly comprises handle of a knife and blade, need install the blade on the handle of a knife earlier before using, at this in-process, because the spacing hole of blade bottom has the error interval of a processing, so there is the phenomenon loose when the spacing hole cup joints on the spacing post of handle of a knife in blade bottom, this will cause certain influence to the steadiness of blade installation to the installation intensity of blade has been reduced.

Disclosure of Invention

The present invention is directed to a cutting tool that solves the problems set forth above in the background.

In order to achieve the purpose, the invention provides the following technical scheme: a cutting tool comprises a tool handle and a blocking mechanism, wherein the top of the tool handle is provided with a mounting groove, the bottom of the inner wall of the mounting groove is fixedly connected with a cushion block, the top of the cushion block is fixedly connected with a limiting column, a blade is arranged above the cushion block, and the bottom of the blade is provided with a limiting hole;

stifled real mechanism includes the cavity, the cavity is seted up in the inside of spacing post, the inner wall of cavity is annular array and has seted up four movable through-hole, four the inner chamber of movable through-hole all slides and has cup jointed the movable block, four the equal fixedly connected with arc stripper plate in one side of movable block, four the equal fixedly connected with atress piece of opposite side of movable block, four be equipped with the extrusion piece between the atress piece, the top of extrusion piece is equipped with actuating mechanism.

Preferably, actuating mechanism includes the threaded rod, the bottom of threaded rod and the top fixed connection of extrusion piece, the threaded hole is seted up at the top of spacing post, the inner chamber of threaded hole and the outer wall threaded connection of threaded rod, the top fixedly connected with carousel of threaded rod, the bar auxiliary tank has been seted up at the top of carousel.

Preferably, the outer wall of spacing post is the annular array and has seted up four joint grooves, four the equal fixedly connected with rubber strip in both sides of arc stripper plate, four the arc stripper plate is all through the inner chamber activity joint in rubber strip and the corresponding joint groove in position.

Preferably, an embedding hole is formed in the top of the cutter handle, a locking hole is formed in the bottom of the inner wall of the embedding hole, a locking piece is arranged in an inner cavity of the embedding hole, a through hole is formed in the top of the locking piece, a locking bolt is arranged in the inner cavity of the through hole, and one end of the locking bolt is in threaded connection with the inner cavity of the locking hole.

Preferably, the top of blade has been seted up the round hole, round hole and spacing hole intercommunication, the inner chamber of round hole is equipped with the lug, the top fixedly connected with connecting rod of lug, the one end of connecting rod and the outer wall fixed connection of retaining member.

Preferably, rectangular channels are formed in the top and the bottom of the cutter handle, two attaching plates are arranged in inner cavities of the rectangular channels, and anti-skid grains are symmetrically formed in back vertical faces of the two attaching plates.

Preferably, one of them two first L templates of bilateral symmetry fixedly connected with of rigging board, wherein another two second L templates of bilateral symmetry fixedly connected with of rigging board, two the equal fixedly connected with back connecting plate in bottom of first L template, two the connecting plate before the equal fixedly connected with in top of second L template.

Preferably, the two sides of the knife handle are symmetrically provided with positioning holes, the two sides of the knife handle are symmetrically provided with first positioning bolts, and one ends of the two first positioning bolts sequentially penetrate through one sides of the front connecting plate and the rear connecting plate which correspond to the positions and are in threaded connection with the positioning holes which correspond to the positions.

Preferably, the top of the knife handle is provided with a knife placing groove, the bottom of the inner wall of the knife placing groove is fixedly connected with a fixing column, the outer wall of the fixing column is sleeved with a plurality of blades, and the top of the fixing column is provided with a locking hole.

Preferably, the top of the knife handle is provided with an annular groove, the annular groove is communicated with the knife placing groove, an inner cavity of the annular groove is provided with a sealing plate, the top of the sealing plate is provided with a T-shaped hole, the inner cavity of the T-shaped hole is provided with a second positioning bolt, and the bottom end of the second positioning bolt is in threaded connection with the inner cavity of the locking hole.

The invention has the technical effects and advantages that:

(1) the movable block, the arc-shaped extrusion plate, the stress block and the extrusion block are arranged, and the stress block is extruded by the extrusion block, so that the movable block drives the arc-shaped extrusion plate to move in the protruding clamping groove, the compaction between the limiting column and the limiting hole is ensured, the movable clamping device is suitable for all blades in a machining error interval, and the installation strength of the blades is improved;

(2) according to the invention, the locking piece, the connecting rod, the lug and the locking bolt are arranged, the locking bolt is matched with the locking hole to drive the locking piece to move downwards, and the locking piece moving downwards can downwards extrude the blade through the connecting rod and the lug, so that the mounting strength of the blade is further enhanced;

(3) according to the invention, the two attaching plates are respectively arranged at the top and the bottom of the cutting tool through the first positioning bolt, the first L-shaped plate, the second L-shaped plate, the rear connecting plate, the front connecting plate and the first positioning bolt by utilizing the arrangement of the two attaching plates, the first L-shaped plate, the second L-shaped plate, the rear connecting plate and the front connecting plate, so that the cutting tool is protected when being clamped, and the protection strength of the cutting tool is improved;

(4) according to the invention, the knife placing groove, the fixing column and the sealing plate are arranged, so that the knife handle can store the blade, and the convenience of blade storage is improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a front sectional structural schematic view of the blade of the present invention.

FIG. 3 is an enlarged view of a portion A of FIG. 2 according to the present invention.

FIG. 4 is a schematic view of a cross-sectional structure of a top surface of the spacing column according to the present invention.

FIG. 5 is an enlarged view of a portion B of FIG. 1 according to the present invention.

FIG. 6 is a side cross-sectional structural view of the present invention tool shank.

Fig. 7 is a schematic side sectional view of the fixing column according to the present invention.

In the figure: 1. a knife handle; 2. cushion blocks; 3. a limiting column; 4. a blade; 5. a limiting hole; 6. a cavity; 7. a movable through hole; 8. a movable block; 9. an arc-shaped extrusion plate; 10. a stress block; 11. extruding the block; 12. a threaded rod; 13. a turntable; 14. a rubber strip; 15. a circular hole; 16. a locking hole; 17. a locking member; 18. locking the bolt; 19. a bump; 20. a connecting rod; 21. attaching a plate; 22. a first L-shaped plate; 23. a second L-shaped plate; 24. a rear connecting plate; 25. a front connecting plate; 26. positioning holes; 27. a first positioning bolt; 28. fixing a column; 29. a closing plate; 30. and a second positioning bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a cutting tool as shown in figures 1-7, which comprises a tool handle 1 and a blocking mechanism, wherein the blocking mechanism is used for ensuring the tightness between a limiting hole 5 and a limiting column 3, the top of the tool handle 1 is provided with a mounting groove, the bottom of the inner wall of the mounting groove is fixedly connected with a cushion block 2, the cushion block 2 plays a role in bearing and placing the blade 4, the top of the cushion block 2 is fixedly connected with the limiting column 3, the blade 4 is arranged above the cushion block 2, the bottom of the blade 4 is provided with the limiting hole 5, and the limiting hole 5 and the limiting column 3 play a role in limiting the installation of the blade 4;

the plugging mechanism comprises a cavity 6, the cavity 6 is arranged inside the limiting column 3, the inner wall of the cavity 6 is provided with four movable through holes 7 in an annular array, the inner cavities of the four movable through holes 7 are all sleeved with movable blocks 8 in a sliding manner, one sides of the four movable blocks 8 are all fixedly connected with arc-shaped extrusion plates 9, the arc-shaped extrusion plates 9 are used for being attached to the inner wall of the limiting hole 5, the outer sides of the arc-shaped extrusion plates 9 can be provided with uniformly distributed friction lines for increasing the friction force between the outer walls of the limiting hole 5, the other sides of the four movable blocks 8 are all fixedly connected with stress blocks 10, the side surfaces of the stress blocks 10 facing the extrusion blocks 11 are inclined planes, chamfering processing is carried out at each corner, extrusion blocks 11 are arranged among the four stress blocks 10, the extrusion blocks 11 are arranged in an inverted frustum shape, the top of the extrusion blocks 11 is provided with a driving mechanism, and the driving mechanism is used for driving the extrusion blocks 11 to move in the vertical direction, the outer wall of the limiting column 3 is provided with four clamping grooves in an annular array, rubber strips 14 are fixedly connected to two sides of four arc-shaped extrusion plates 9, the arc-shaped extrusion plates 9 are clamped in the clamping grooves through the rubber strips 14 under normal conditions, the step that the blades 4 are sleeved on the limiting column 3 cannot be influenced, and the four arc-shaped extrusion plates 9 are movably clamped with inner cavities of the clamping grooves corresponding to the positions through the rubber strips 14;

the driving mechanism comprises a threaded rod 12, the bottom of the threaded rod 12 is fixedly connected with the top of the extrusion block 11, a threaded hole is formed in the top of the limiting column 3, the threaded rod 12 rotating in the threaded hole can move in the vertical direction, an inner cavity of the threaded hole is in threaded connection with the outer wall of the threaded rod 12, a rotary disc 13 is fixedly connected to the top of the threaded rod 12, a strip-shaped auxiliary groove is formed in the top of the rotary disc 13, a worker can conveniently drive the rotary disc 13 to rotate by using a flat screwdriver, and the rotary disc 13 is arranged in an inner cavity of the round hole 15;

the top of the knife handle 1 is provided with an embedding hole, the bottom of the inner wall of the embedding hole is provided with a locking hole 16, the inner wall of the locking hole 16 is provided with evenly distributed internal threads, the inner cavity of the embedding hole is provided with a locking part 17, the top of the locking part 17 is provided with a through hole, the inner cavity of the through hole is provided with a locking bolt 18, the locking bolt 18 is arranged in a T shape, so that along with the process that the locking bolt 18 enters the locking hole 16, the locking bolt 18 can apply a vertical downward acting force to the locking part 17, thereby driving the connecting rod 20 and the convex block 19 to complete the positioning work of the blade 4, wherein one end of the locking bolt 18 is in threaded connection with the inner cavity of the locking hole 16, the top of the blade 4 is provided with a round hole 15, the round hole 15 is communicated with the limiting hole 5, the inner cavity of the round hole 15 is provided with the convex block 19, the top of the convex block 19 is fixedly connected with the connecting rod 20, and one end of the connecting rod 20 is fixedly connected with the outer wall of the locking part 17;

rectangular grooves are formed in the top and the bottom of the tool handle 1, attachment plates 21 are arranged in inner cavities of the two rectangular grooves, anti-skid grains are symmetrically formed in back vertical surfaces of the two attachment plates 21 and used for enhancing clamping installation stability, two first L-shaped plates 22 are symmetrically and fixedly connected to two sides of one attachment plate 21, two second L-shaped plates 23 are symmetrically and fixedly connected to two sides of the other attachment plate 21, rear connecting plates 24 are fixedly connected to the bottoms of the two first L-shaped plates 22, the thickness of each rear connecting plate 24 is half of that of the corresponding first L-shaped plate 22, front connecting plates 25 are fixedly connected to the tops of the two second L-shaped plates 23, positioning holes 26 are symmetrically formed in two sides of the tool handle 1, first positioning bolts 27 are symmetrically arranged on two sides of the tool handle 1, and the first positioning bolts 27 and the positioning holes 26 are used for installation of the two attachment plates 21, one ends of the two first positioning bolts 27 sequentially penetrate through one sides of the front connecting plate 25 and the rear connecting plate 24 corresponding to the positions and are in threaded connection with the positioning holes 26 corresponding to the positions;

knife placing grooves are formed in the top of the knife handle 1, bottom fixedly connected with fixing columns 28 of the inner walls of the knife placing grooves are formed in the bottom, the fixing columns 28 are used for limiting blades 4, the outer walls of the fixing columns 28 are in sliding sleeve connection with the inner cavity of the round hole 15, a plurality of blades 4 are sleeved on the outer walls of the fixing columns 28, locking holes are formed in the top of the fixing columns 28, annular grooves are formed in the top of the knife handle 1, the annular grooves are communicated with the knife placing grooves, sealing plates 29 are arranged in the inner cavities of the annular grooves, T-shaped holes are formed in the top of the sealing plates 29, second positioning bolts 30 are arranged in the inner cavities of the T-shaped holes and are provided with second positioning bolts 30, the second positioning bolts 30 can drive the sealing plates 29 to seal the knife placing grooves, and the bottoms of the second positioning bolts 30 are in threaded connection with the inner cavities of the locking holes.

The working principle of the invention is as follows:

when the blade 4 needs to be assembled on the knife handle 1, the second positioning bolt 30 is firstly rotated to separate the sealing plate 29 from the annular groove, then the blade 4 is taken down from the fixed column 28, then the blade 4 is sleeved on the limiting column 3 through the limiting hole 5 arranged at the bottom of the blade 4, when the limiting hole 5 and the limiting column 3 are in a loose state, a flat screwdriver is used to rotate the rotary table 13 through the round hole 15, the rotation of the rotary table 13 can drive the threaded rod 12 to rotate, the threaded rod 12 rotating in the threaded hole can drive the extrusion block 11 to vertically move downwards, along with the movement of the extrusion block 11, the four stress blocks 10 can gradually do dispersed movement, at the moment, the four arc-shaped extrusion plates 9 can protrude out of the clamping grooves under the action of the corresponding movable blocks 8 and the stress blocks 10 and tightly fit with the inner wall of the limiting hole 5, when the spacing hole 5 and the limiting column 3 are relatively tight, the rotation is stopped and the flat screwdriver is taken out, then put retaining member 17 into the embedding hole, lug 19 need be placed in round hole 15 simultaneously, later place locking bolt 18 in the through-hole to accomplish the work of being connected of locking bolt 18 and locking hole 16, along with locking bolt 18's rotation, retaining member 17 can be through connecting rod 20 and lug 19 extrusion downwards and location blade 4, so far has accomplished the equipment work of blade 4 and handle of a knife 1.

Before the cutting tool is clamped and installed, the two attaching plates 21 are respectively placed in the two rectangular grooves in the top and the bottom of the tool holder 1, positioning work is completed through the first L-shaped plate 22, the second L-shaped plate 23, the rear connecting plate 24, the front connecting plate 25 and the first positioning bolt 27, and then clamping and installing work of the cutting tool can be continued.

Finally, it should be noted that: although the present invention 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 or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A cutting tool comprises a tool handle (1) and a blocking mechanism, and is characterized in that the top of the tool handle (1) is provided with a mounting groove, the bottom of the inner wall of the mounting groove is fixedly connected with a cushion block (2), the top of the cushion block (2) is fixedly connected with a limiting column (3), a blade (4) is arranged above the cushion block (2), and the bottom of the blade (4) is provided with a limiting hole (5);

stifled real mechanism includes cavity (6), the inside in spacing post (3) is seted up in cavity (6), the inner wall of cavity (6) is annular array and has seted up four movable through-hole (7), four the inner chamber of movable through-hole (7) all slides and has cup jointed movable block (8), four the equal fixedly connected with arc stripper plate (9) in one side of movable block (8), four the equal fixedly connected with atress piece (10) of opposite side of movable block (8), four be equipped with between atress piece (10) extrusion piece (11), the top of extrusion piece (11) is equipped with actuating mechanism.

2. The cutting tool as set forth in claim 1, characterized in that the driving mechanism comprises a threaded rod (12), the bottom of the threaded rod (12) is fixedly connected with the top of the extrusion block (11), the top of the limiting column (3) is provided with a threaded hole, the inner cavity of the threaded hole is in threaded connection with the outer wall of the threaded rod (12), the top of the threaded rod (12) is fixedly connected with a rotary table (13), and the top of the rotary table (13) is provided with a strip-shaped auxiliary groove.

3. The cutting tool according to claim 1, wherein the outer wall of the limiting column (3) is provided with four clamping grooves in an annular array, rubber strips (14) are fixedly connected to two sides of the four arc-shaped extrusion plates (9), and the four arc-shaped extrusion plates (9) are movably clamped with inner cavities of the clamping grooves corresponding to the positions through the rubber strips (14).

4. The cutting tool as set forth in claim 1, characterized in that an insertion hole is formed in the top of the tool holder (1), a locking hole (16) is formed in the bottom of the inner wall of the insertion hole, a locking member (17) is arranged in the inner cavity of the insertion hole, a through hole is formed in the top of the locking member (17), a locking bolt (18) is arranged in the inner cavity of the through hole, and one end of the locking bolt (18) is in threaded connection with the inner cavity of the locking hole (16).

5. The cutting tool as set forth in claim 1, characterized in that a circular hole (15) is formed at the top of the cutting insert (4), the circular hole (15) is communicated with the limiting hole (5), a convex block (19) is arranged in the inner cavity of the circular hole (15), a connecting rod (20) is fixedly connected to the top of the convex block (19), and one end of the connecting rod (20) is fixedly connected to the outer wall of the locking member (17).

6. The cutting tool according to claim 1, wherein rectangular grooves are formed in the top and the bottom of the tool shank (1), attachment plates (21) are arranged in inner cavities of the two rectangular grooves, and anti-skid patterns are symmetrically formed in back vertical surfaces of the two attachment plates (21).

7. The cutting tool according to claim 6, wherein two first L-shaped plates (22) are symmetrically and fixedly connected to two sides of one of the two attachment plates (21), two second L-shaped plates (23) are symmetrically and fixedly connected to two sides of the other attachment plate (21), a rear connecting plate (24) is fixedly connected to the bottoms of the two first L-shaped plates (22), and a front connecting plate (25) is fixedly connected to the tops of the two second L-shaped plates (23).

8. The cutting tool according to claim 1, wherein positioning holes (26) are symmetrically formed in two sides of the tool holder (1), first positioning bolts (27) are symmetrically formed in two sides of the tool holder (1), and one end of each of the two first positioning bolts (27) sequentially penetrates through one side of the front connecting plate (25) and one side of the rear connecting plate (24) corresponding to the corresponding position and is in threaded connection with the corresponding positioning hole (26).

9. The cutting tool as set forth in claim 1, characterized in that the top of the tool holder (1) is provided with a tool placing groove, the bottom of the inner wall of the tool placing groove is fixedly connected with a fixing column (28), the outer wall of the fixing column (28) is sleeved with a plurality of blades (4), and the top of the fixing column (28) is provided with a locking hole.

10. The cutting tool as set forth in claim 1, characterized in that the top of the tool holder (1) is provided with an annular groove, the annular groove is communicated with the tool holding groove, an inner cavity of the annular groove is provided with a closing plate (29), the top of the closing plate (29) is provided with a T-shaped hole, the inner cavity of the T-shaped hole is provided with a second positioning bolt (30), and the bottom end of the second positioning bolt (30) is in threaded connection with the inner cavity of the locking hole.