CN213105572U

CN213105572U - Cutter with adjustable length

Info

Publication number: CN213105572U
Application number: CN202021703399.7U
Authority: CN
Inventors: 顾峰; 赵一峰
Original assignee: Gufeng Industrial Co ltd
Current assignee: Gufeng Industrial Co ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-05-04
Anticipated expiration: 2030-08-14

Abstract

The utility model relates to a cutter with adjustable length, it includes handle of a knife and tool bit, the first groove that slides of opening decurrent is seted up to the handle of a knife, the notch department that the handle of a knife is located the first groove that slides rotates and is provided with the rotor, the rotation axis of rotor is parallel with the length direction in first groove that slides, set up the screw hole that communicates with first groove that slides on the rotor, the tool bit slides and sets up and is connected with the screw hole at first inslot that slides and through the screw thread, just the tool bit slides and sets up the section portion in first groove that slides and is many prismatic settings, just be provided with in the handle of a knife and is used for restricting rotor pivoted spacing subassembly. This application utilizes threaded connection between tool bit and the rotor under the effect of polygon prism and first sliding groove direction, through rotating the rotor, alright drive the tool bit and carry out the elevating movement for the handle of a knife, and then change the length of tool bit, need not to dismantle the handle of a knife and change the whole of cutter, save time and reduced the replacement cost promptly.

Description

Cutter with adjustable length

Technical Field

The application relates to the technical field of machining tools, in particular to a tool with adjustable length.

Background

A tool is a tool used for cutting machining in machine manufacturing, and is also called a cutting tool. Generally, a shank end of a machining tool is fixed to a machine tool to perform cutting.

However, because the movement of the machine tool is limited, according to different machined workpieces, the cutter with the same tool bit and different tool shank lengths needs to be replaced, so that the limitation of the movement of the machine tool is overcome.

The cutter in the related art generally comprises a cutter handle and a cutter head, wherein the cutter handle and the cutter head are integrally formed; when the cutters with different lengths need to be replaced, the cutter handles need to be disassembled, and then the whole cutters are replaced, so that time is consumed, the replacement cost is high, and the parts to be improved exist.

SUMMERY OF THE UTILITY MODEL

In order to save time and reduce the replacement cost, this application provides a cutter with adjustable length.

The application provides a cutter with adjustable length adopts following technical scheme:

the utility model provides a cutter with adjustable length, includes handle of a knife and tool bit, the first groove of sliding of opening decurrent is seted up to the handle of a knife, the notch department that the handle of a knife is located the first groove of sliding rotates and is provided with the rotor, the rotation axis of rotor is parallel with the length direction in the first groove of sliding, set up the screw hole that communicates mutually with the first groove of sliding on the rotor, the tool bit slides and sets up at the first inslot of sliding and is connected with the screw hole through the screw thread, just the tool bit slides and sets up the section portion that is the polygon prism setting at the first groove of sliding, just be provided with in the handle of a knife and be used for.

Through adopting above-mentioned technical scheme, in-service use, the user is through rotating the rotor for the rotor carries out the rotation at the tip of handle of a knife, under the effect of polygon prism and first glide slot direction, utilize threaded connection between tool bit and the rotor, drive the tool bit and carry out the elevating movement for the handle of a knife, change the length of tool bit, after adjusting, utilize spacing subassembly, the restriction rotor rotates, and then fixed tool bit, need not to dismantle the handle of a knife and change the whole of cutter, save time and reduced the replacement cost promptly.

Preferably, spacing subassembly includes the spacer pin, the second groove that slides that the opening is decurrent has been seted up in the handle of a knife, set up the adjustment tank that communicates with the second groove that slides on the handle of a knife, the spacer pin includes the regulation section and the grafting section that mutually perpendicular set up, the regulation section slides and sets up in the adjustment tank, the grafting section slides and sets up in the second groove that slides, some that the rotor is close to the handle of a knife are seted up and are formed the grafting hole of grafting complex with the spacer pin.

By adopting the technical scheme, in actual use, the adjusting section is lifted from the outer part of the cutter handle to drive the inserting section to be separated from the inserting hole on the rotating body, and then the rotating body can be rotated; when actual spacing is fixed, will adjust the section and slide along the direction that is close to the tool bit for the spliced eye of grafting section grafting on the rotor carries out spacing fixed, fixed simple convenient and fast to the circumference of rotor.

Preferably, the adjusting groove and the second groove of sliding are provided with two along the radial symmetry of handle of a knife, the spliced eye is provided with two along the radial symmetry of rotor, the spacer pin is provided with two, two the regulation section of spacer pin slides respectively and sets up in two adjusting grooves, two the grafting section of spacer pin all slides and sets up in two second grooves of sliding, and two the grafting section of spacer pin forms the cooperation of pegging graft with two spliced eyes respectively.

Through adopting above-mentioned technical scheme, with spacer pin, adjustment tank, second groove and the spliced eye of sliding, all correspond and be provided with two, improve the steadiness of rotor on the handle of a knife.

Preferably, the limiting assembly further comprises an elastic piece, and the elastic piece is arranged between the bottom wall of the second sliding groove far away from the cutter head and the end part of the insertion section far away from the cutter head.

By adopting the technical scheme, the automatic reset of the plug-in section of the limiting pin is realized by utilizing the elastic piece, and the stability of the plug-in section in the plug-in hole is improved.

Preferably, the elastic part is a compression spring, one end of the compression spring abuts against the bottom wall of the second sliding groove far away from the cutter head, and the other end of the compression spring abuts against the end part of the insertion section far away from the cutter head.

Through adopting above-mentioned technical scheme, set up the elastic component into compression spring for the effect of elasticity is received to the tip that the tool bit was kept away from to the grafting end of spacer pin, realizes automatic re-setting.

Preferably, the limiting assembly further comprises an adjusting ring body, the adjusting ring body is sleeved on the knife handle and forms sliding fit with the knife handle, and the adjusting sections of the limiting pins are fixedly arranged on the inner wall of the adjusting ring body.

Through adopting above-mentioned technical scheme, utilize one to adjust the ring body, can drive the regulation section of two spacer pins simultaneously and remove, and then drive two grafting ends simultaneously and break away from or peg graft in the spliced eye, convenient and fast.

Preferably, the outer wall of the adjusting ring body is provided with a boosting cambered surface.

Through adopting above-mentioned technical scheme, utilize the boosting cambered surface that sets up on adjusting the ring body outer wall, the person of being convenient for promotes and adjusts the ring body.

Preferably, the outer wall of the rotating body is provided with anti-skid lines.

Through adopting above-mentioned technical scheme, utilize the anti-skidding line on the rotor outer wall, improve the frictional force between user's hand and the rotor, convenient to use person rotates the rotor.

In summary, the present application includes at least one of the following beneficial technical effects:

under the guiding action of the polygon prism and the first sliding groove, the threaded connection between the tool bit and the rotating body is utilized, and the rotating body is rotated to drive the tool bit to move up and down relative to the tool shank, so that the length of the tool bit is changed, the tool shank does not need to be disassembled to replace the whole tool, and time is saved and the replacement cost is reduced;

by means of the adjusting ring body and the boosting cambered surface on the adjusting ring body, a user can conveniently drive the two inserting sections to simultaneously insert and fix the two inserting holes under the resistance of the compression spring;

drawings

Fig. 1 is a sectional view showing mainly the overall structure of the length-adjustable cutter according to this embodiment.

Reference numerals: 1. a knife handle; 11. a first sliding groove; 12. rotating the ring groove; 13. a second sliding groove; 14. an adjustment groove; 2. a cutter head; 21. a multi-edge section; 22. a threaded segment; 23. a cutting section; 3. a rotating body; 31. rotating the clamping block; 32. a threaded hole; 33. inserting holes; 4. a limiting component; 41. a spacing pin; 411. an adjustment section; 412. a plug section; 42. an elastic member; 43. an adjustment ring body; 431. and (4) boosting the arc surface.

Detailed Description

The present application is described in further detail below with reference to fig. 1.

The embodiment of the application discloses cutter with adjustable length. Referring to fig. 1, the length-adjustable cutter comprises a cutter handle 1 and a cutter head 2, wherein a first sliding groove 11 with a downward opening is formed in the cutter handle 1, a rotating body 3 is rotatably arranged at a notch of the first sliding groove 11 of the cutter handle 1, a rotating fixture block 31 is fixed on the rotating body 3 in a protruding manner, and a rotating ring groove 12 which is matched with the rotating fixture block 31 in a clamping and sliding manner is formed in the side wall, close to the cutter head 2, of the cutter handle 1, so that the rotating body 3 can rotate relative to the cutter handle 1; the rotating axis of the rotating body 3 is parallel to the length direction of the first sliding groove 11, anti-skid threads arranged in a grid mode are arranged on the outer wall of the rotating body 3, the function of increasing friction force is achieved, a threaded hole 32 communicated with the first sliding groove 11 is formed in the rotating body 3, the tool bit 2 sequentially comprises a multi-edge section 21, a threaded section 22 and a cutting section 23 in the direction away from the tool shank 1, the multi-edge section 21 of the tool bit 2 is arranged in the first sliding groove 11 in a sliding mode, and the diameter of the multi-edge section 21 is larger than that of the threaded section 22, so that the guiding effect is achieved; the threaded end of the tool bit 2 is connected with the threaded hole 32 through threads, and one side of the tool holder 1 close to the rotating body 3 is provided with a limiting component 4 for limiting the rotation of the rotating body 3.

In-service use, the user rotates rotor 3 through anti-skidding line, make rotor 3 carry out the rotation at the tip of handle of a knife 1, under the effect that many arriss section 21 and first groove 11 guide slideways that slide, utilize threaded connection between 2 screw thread sections 22 of tool bit and the rotor 3, it carries out the lifting movement to drive tool bit 2 for handle of a knife 1, and then change the length of tool bit 2, after the regulation, utilize spacing subassembly 4, restriction rotor 3 rotates, and then fixed tool bit 2, need not to dismantle the whole of handle of a knife 1 to the cutter and change, save time and reduced the replacement cost promptly.

The limiting assembly 4 comprises two limiting pins 41 and two elastic pieces 42, the two limiting pins 41 and the two elastic pieces 42 are symmetrically arranged in the radial direction of the tool shank 1, and since the connection relationship and the installation manner between the two limiting pins 41 and the two elastic pieces 42 and between the tool shank 1 and the tool bit 2 are the same, the explanation is given by taking one limiting pin 41 and one elastic piece 42 of the two limiting pins 41 and the two elastic pieces 42 as an example.

A second sliding groove 13 with a downward opening is formed in the tool shank 1, an adjusting groove 14 communicated with the second sliding groove 13 is formed in the tool shank 1, the adjusting groove 14 and the second sliding groove 13 are vertically arranged, the limiting pin 41 comprises an adjusting section 411 and an inserting section 412 which are mutually perpendicular, the adjusting section 411 is arranged in the adjusting groove 14 in a sliding mode, the inserting section 412 is arranged in the second sliding groove 13 in a sliding mode, and an inserting hole 33 which is matched with the limiting pin 41 in an inserting mode is formed in one side, close to the tool shank 1, of the rotating body 3; the elastic member 42 is a compression spring, one end of the compression spring abuts against the bottom wall of the second sliding groove 13 far away from the cutter head 2, and the other end of the compression spring abuts against the end of the insertion section 412 far away from the cutter head 2.

The limiting assembly 4 further comprises an adjusting ring body 43, the adjusting ring body 43 is sleeved on the tool holder 1 and forms sliding fit with the tool holder 1, the adjusting sections 411 of the two limiting pins 41 are fixed on the inner wall of the adjusting ring body 43, and a boosting cambered surface 431 is arranged on the outer wall of the adjusting ring body 43.

During actual limiting and fixing, the two adjusting sections 411 are slid along the direction close to the tool bit 2 by using the adjusting ring body 43, so that the inserting section 412 is inserted into the inserting hole 33 on the tool bit 2 to limit and fix the circumferential direction of the rotating body 3; when the position limitation is released, the adjusting ring body 43 with the boosting cambered surface 431 is utilized to lift the adjusting sections 411 of the two limiting pins 41 at the same time, so as to drive the inserting section 412 to be separated from the inserting hole 33 on the tool bit 2, and at the moment, the rotating body 3 can be rotated.

The implementation principle of the cutter with the adjustable length in the embodiment of the application is as follows:

in practical use, firstly, the adjusting ring body 43 with the boosting cambered surface 431 is utilized, the adjusting sections 411 of the two limiting pins 41 are lifted at the same time, the inserting section 412 is driven to be separated from the inserting hole 33 on the tool bit 2, at the moment, the rotating body 3 can be rotated, so that the rotating body 3 can rotate relative to the tool holder 1, under the guiding and sliding action of the multi-edge section 21 and the first sliding groove 11, the threaded connection between the threaded section 22 of the tool bit 2 and the rotating body 3 is utilized to drive the tool bit 2 to move up and down relative to the tool holder 1, further, the length of the tool bit 2 is changed, after the adjustment is completed, the adjusting ring body 43 is released, under the action of the elastic force of the two compression springs, the two adjusting sections 411 are simultaneously slid along the direction close to the tool bit 2, so that the inserting section 412 is inserted;

wherein, every time the rotor 3 rotates the round, two spliced eyes 33 on the rotor 3 just in time dock with the notch in two second sliding groove 13, for easy to assemble, handle of a knife 1 can be for the components of a whole that can function independently setting.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A length-adjustable cutting tool, characterized in that: including handle of a knife (1) and tool bit (2), the first groove (11) that slides of opening decurrent has been seted up in handle of a knife (1), notch department that handle of a knife (1) is located first groove (11) that slides rotates and is provided with rotor (3), the rotation axis of rotor (3) is parallel with the length direction in first groove (11) that slides, set up screw hole (32) that are linked together with first groove (11) that slides on rotor (3), tool bit (2) slide and set up and be connected with screw hole (32) in first groove (11) that slides and pass through the screw thread, just tool bit (2) slide and set up the section portion in first groove (11) that slides and be the setting of many prisms, just be provided with in handle of a knife (1) and be used for restricting rotor (3) pivoted spacing subassembly (4).

2. A length adjustable tool as claimed in claim 1, wherein: spacing subassembly (4) include spacer pin (41), set up opening second groove (13) that slides downwards in handle of a knife (1), set up adjustment tank (14) that are linked together with second groove (13) that slides on handle of a knife (1), spacer pin (41) are including regulation section (411) and grafting section (412) that mutually perpendicular set up, regulation section (411) slide and set up in adjustment tank (14), grafting section (412) slide and set up in second groove (13) that slides, rotor (3) are close to one side of handle of a knife (1) and are seted up and form grafting complex spliced eye (33) with spacer pin (41).

3. A length adjustable tool as claimed in claim 2, wherein: adjustment tank (14) and second groove (13) that slides are provided with two along the radial symmetry of handle of a knife (1), spliced eye (33) are provided with two along the radial symmetry of rotor (3), spacer pin (41) are provided with two, two adjusting section (411) of spacer pin (41) slide respectively and set up in two adjustment tank (14), two grafting section (412) of spacer pin (41) all slide and set up in two second groove (13), and two grafting section (412) of spacer pin (41) form the cooperation of pegging graft with two spliced eyes (33) respectively.

4. A length adjustable tool as claimed in claim 3, wherein: spacing subassembly (4) still include elastic component (42), elastic component (42) set up and keep away from between the diapire of tool bit (2) and the tip that cutting head (2) were kept away from in second groove (13) that slides with grafting section (412).

5. A length adjustable tool as claimed in claim 4, wherein: the elastic piece (42) is set to be a compression spring, one end of the compression spring is abutted on the bottom wall of the second sliding groove (13) far away from the cutter head (2), and the other end of the compression spring is abutted on the end part of the insertion section (412) far away from the cutter head (2).

6. A length adjustable tool as claimed in claim 5, wherein: spacing subassembly (4) still include adjusts ring body (43), adjust ring body (43) cover and establish on handle of a knife (1) and form the cooperation of sliding with handle of a knife (1), two regulation section (411) of spacer pin (41) all fix the setting on the inner wall of adjusting ring body (43).

7. A length adjustable tool as claimed in claim 6, wherein: and a boosting cambered surface (431) is arranged on the outer wall of the adjusting ring body (43).

8. A length adjustable tool as claimed in claim 1, wherein: and anti-skid grains are arranged on the outer wall of the rotating body (3).