CN218487385U

CN218487385U - Novel flexible tapping knife handle

Info

Publication number: CN218487385U
Application number: CN202222591722.1U
Authority: CN
Inventors: 王辉
Original assignee: Bestool Tool Manufacturing Co ltd
Current assignee: Bestool Tool Manufacturing Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-02-17
Anticipated expiration: 2032-09-29

Abstract

The application provides a novel flexible tapping knife handle which comprises a first clamping piece and a second clamping piece, wherein a first opening is formed in one side of the first clamping piece, and a first groove is formed in the first opening; a first through hole is formed through the first groove; the second clamping piece is provided with a first part and a second part, the second part can extend into the first clamping piece from the first opening, the second part is provided with a second through hole, and the second through hole is communicated with the first through hole to form a first space; a first connecting piece is arranged in the first space and used for connecting the first clamping piece and the second clamping piece; the first connecting piece is sleeved with a flexible assembly which can be used for providing buffer force for the second clamping piece to move in the first clamping piece; in this scheme, this structure can ensure that the effect of flexible tapping is reached when second holder centre gripping cutter processing machined part makes novel flexible tapping handle of a knife processes out high quality screw hole.

Description

Novel flexible tapping knife handle

Technical Field

The application relates to the technical field of numerical control machine tool components, in particular to a novel flexible tapping knife handle.

Background

At present, when the engineering machinery industry is processing the central processing screw hole, generally adopt radial drill, machining efficiency is low, and the quality of screw hole is poor after the processing, also has the producer to carry out the rigidity tapping on the digit control machine tool, because rigidity tapping main shaft positioning accuracy is high, the processing work piece needs to have good rigidity, otherwise can produce the processing resilience phenomenon, leads to the indiscriminate tooth of screw hole, breaks the screw tap even, consequently urgently needs a flexible tapping structure on the market.

Disclosure of Invention

In view of the above-mentioned deficiencies or inadequacies in the prior art, the present application is directed to a novel flexible threading tool shank comprising:

the clamping device comprises a first clamping piece, a second clamping piece and a clamping mechanism, wherein one side of the first clamping piece is provided with a first opening, a first groove is formed in the first clamping piece, and the opening direction of the first groove faces the side of the first opening; a first through hole is formed in the first groove in a penetrating mode, and the axis direction of the first through hole is the first direction;

a second clamp having a first portion and a second portion along a second direction, the second direction perpendicular to the first direction; the second part can extend into the first clamping piece from the first opening, a second through hole is formed in the second part, the axis direction of the second through hole is the first direction, and the second through hole is communicated with the first through hole to form a first space;

one end of the first connecting piece can extend into the first space and is used for connecting the first clamping piece and the second clamping piece;

the flexible assembly is arranged in the first space and sleeved outside the first connecting piece, and the flexible assembly is used for providing buffering force for the second clamping piece to move in the first clamping piece.

According to the technical scheme provided by the embodiment of the application, the inner wall of the first through hole is provided with a first boss and a second boss along the first direction, and the first space is formed between the second through hole and the end faces, close to the end faces, of the first boss and the second boss relatively.

According to the technical scheme provided by the embodiment of the application, the flexible assembly is a rubber sleeve, and the outer wall of the flexible assembly is abutted to the inner wall of the second through hole.

According to the technical scheme provided by the embodiment of the application, the first connecting piece is provided with a first end and a second end along the first direction, the outer wall of the second end is in threaded connection with the inner wall of the flexible assembly, the first end is provided with a third boss, and the outer diameter of the third boss is smaller than the inner diameter of the first through hole and larger than the inner diameter of the first boss.

According to the technical scheme provided by the embodiment of the application, a first gap is formed between the first part close to the second end and the end face of the first clamping piece, and a circle of first sealing piece is sleeved outside the first gap.

According to the technical scheme provided by the embodiment of the application, the first sealing element is made of aluminum.

According to the technical scheme that this application embodiment provided, have many rings of second recesses on the outer wall of first end is kept away from to the second portion, each be equipped with the second sealing member in the second recess, second sealing member outer wall with first recess inner wall butt, the second sealing member is used for sealed dustproof.

According to the technical scheme provided by the embodiment of the application, the clamping device further comprises a cooling assembly, and the cooling assembly is used for reducing the temperature of the first clamping piece and the second clamping piece when the workpieces are machined.

According to the technical scheme provided by the embodiment of the application, a first channel is arranged in the first clamping piece, a second channel communicated with the first channel is arranged in the second clamping piece, and the first channel is communicated with the second channel to form a water path of the cooling assembly.

According to the technical scheme provided by the embodiment of the application, the first clamping piece is provided with a third through hole, the third through hole is communicated with the first groove, when the second part of the second clamping piece extends into the first groove, the air in the first groove is extruded to be discharged from the third through hole

In summary, the present application provides a novel flexible tapping knife handle, which includes a first clamping member and a second clamping member, wherein one side of the first clamping member has a first opening, and a first groove is formed in the first opening; a first through hole is formed through the first groove; the second clamping piece is provided with a first part and a second part, the second part can extend into the first clamping piece from the first opening, the second part is provided with a second through hole, and the second through hole is communicated with the first through hole to form a first space; a first connecting piece is arranged in the first space and used for connecting the first clamping piece and the second clamping piece; the first connecting piece is sleeved with a flexible assembly which can be used for providing buffer force for the second clamping piece to move in the first clamping piece; in this scheme, this structure can ensure that the effect of flexible tapping is reached when second holder centre gripping cutter processing machined part, makes novel flexible tapping handle of a knife processes out high quality screw hole.

Drawings

FIG. 1 is an exploded view of a novel flexible tapping tool shank provided in an embodiment of the present application;

FIG. 2 is a schematic structural view of a novel flexible tapping tool shank provided by the embodiment of the present application;

fig. 3 is a partial cross-sectional view of a first connecting member connecting a first clamping member and a second clamping member according to an embodiment of the present disclosure.

The text labels in the figures are represented as:

1. a first clamping member; 101. a first opening; 102. a first groove; 103. a first through hole; 104. An interface; 131. a first boss; 132. a second boss; 2. a second clamping member; 201. a first part; 202. a second section; 203. a second through hole; 204. a clamping port; 205. a jackscrew hole; 3. a first connecting member; 301. a first end; 302. a second end; 311. a third boss; 4. a flexible component; 5. a first seal member; 6. a second groove; 601. a second seal member; 7. a second water inlet; 8. a third through hole; 9. a third seal.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As mentioned in the background art, to the problem among the prior art, this application has proposed a novel flexible tapping handle of a knife, as shown in fig. 1, include:

the clamping device comprises a first clamping piece 1, wherein one side of the first clamping piece 1 is provided with a first opening 101, a first groove 102 is arranged in the first clamping piece 1, and the opening direction of the first groove 102 faces to the side of the first opening 101; a first through hole 103 is arranged through the first groove 102, and the axial direction of the first through hole 103 is a first direction; optionally, the first clamping member 1 is an adapter handle, the other side of the adapter handle is a standard universal interface 104, and the first direction is a vertical direction; during machining, the adapter handle can be arranged on a machine tool through the interface 104, and the adapter handle is in rigid connection with the machine tool;

a second clamping member 2, said second clamping member 2 having a first portion 201 and a second portion 202 along a second direction, said second direction being perpendicular to said first direction; the second portion 202 can extend into the first clamping member 1 from the first opening 101, the second portion 202 is provided with a second through hole 203, the axial direction of the second through hole 203 is the first direction, and the second through hole 203 is communicated with the first through hole 103 to form a first space; optionally, the second clamping member 2 is a hydraulic tool shank special for a tap, the second direction is a horizontal direction, and the second portion 202 is located on the right side of the first portion 201; in certain specific scenarios, the outer diameter of the second portion 202 is smaller than the outer diameter of the first portion 201 and smaller than the inner diameter of the first groove 102, when the first portion 201 extends into the first groove 102 but the outer wall thereof does not contact the inner wall of the first groove 102; the left end of the cutter handle is provided with a clamping port 204 for clamping a tap machining threaded hole; a jackscrew hole 205 is formed in the side wall of the first part 201, a jackscrew matched with the jackscrew hole 205 is arranged in the jackscrew hole 205, and after one end of the screw tap extends into the clamping port 204, the jackscrew can be screwed down to fix the position of the screw tap in the tool holder, so that the displacement of the screw tap in the tool holder is limited;

one end of the first connecting piece 3 can extend into the first space and is used for connecting the first clamping piece 1 and the second clamping piece 2; optionally, the first connecting piece 3 is a T-bolt;

the flexible assembly 4 is arranged in the first space and sleeved outside the first connecting piece 3, and the flexible assembly 4 is used for providing a buffer force for the second clamping piece 2 to move in the first clamping piece 1; in this scheme, flexible subassembly 4 covers are located outside the first connecting piece 3, connect the switching handle with the structure of handle of a knife can ensure the handle of a knife centre gripping reach the effect of flexible tapping during screw tap processing screw hole, make novel flexible tapping handle of a knife processes out high quality screw hole.

Further, a first boss 131 and a second boss 132 are arranged on the inner wall of the first through hole 103 along the first direction, and the first space is formed between the second through hole 203 and the end surfaces of the first boss 131 and the second boss 132 which are relatively close to the end surfaces; in some specific scenarios, the first boss 131 and the second boss 132 are disposed on two sides of the second through hole 203 in the vertical direction, and the inner diameter of the second through hole 203 is larger than the inner diameter of the first boss 131.

Further, the flexible assembly 4 is a rubber sleeve, and the outer wall of the flexible assembly 4 is abutted against the inner wall of the second through hole 203; in certain specific situations, in order to achieve a good tapping effect, the adapter handle is not in contact with the handle in the axial direction, and the outer diameter of the rubber sleeve is larger than the inner diameters of the first boss 131 and the second boss 132, so that the first boss 131 and the second boss 132 can limit the displacement of the rubber sleeve in the vertical direction; the rubber sleeve is sleeved outside the first connecting piece 3, and because the rubber sleeve has elasticity, the telescopic range of about 1mm in the elastic range can be axially provided for the knife handle, so that the knife handle can achieve the flexible tapping effect.

Further, as shown in fig. 3, the first connecting member 3 has a first end 301 and a second end 302 along the first direction, an outer wall of the second end 302 is screwed with an inner wall of the flexible assembly 4, the first end 301 is provided with a third boss 311, and an outer diameter of the third boss 311 is smaller than an inner diameter of the first through hole 103 and larger than an inner diameter of the first boss 131; under certain specific situations, the third boss 311 is arranged at the top end of the first through hole 103, the bottom surface of the third boss is abutted to the end, away from the second boss 132, of the first boss 131, the outer wall of the second end 302 of the third boss is in threaded connection with the inner wall of the rubber sleeve, so that the vertical movement of the bolt can be limited, and the problem that the bolt is thrown out of the first space due to high-speed rotation in the machining process of the tool holder, so that the adapter handle is separated from the tool holder is avoided.

Further, as shown in fig. 2, a first gap is formed between the end of the first portion 201 close to the second portion 202 and the end surface of the first clamping member 1, and a ring of first sealing member 5 is sleeved outside the first gap; optionally, the first sealing element 5 is made of aluminum; in certain specific scenarios, the length from the inner wall of the second through hole 203 close to the first portion 201 side to the first portion 201 is slightly larger than the length from the inner wall of the first through hole 103 close to the handle side to the end face of the adapter handle close to the handle side, so that the first gap is formed between the end face of the first portion 201 close to the second portion 202 and the end face of the adapter handle; the inner wall of the first groove 102 is in non-contact connection with the outer wall of the second part 202 and is provided with a second gap which is communicated with the first gap; the first sealing element 5 can prevent scrap iron and oil dirt generated when the tool handle is used for machining a threaded hole from entering the second gap through the first gap to damage the tool handle, so that the service life of the tool handle is prolonged; in addition, the first gap can be shielded by the first seal member 5 for aesthetic purposes.

Furthermore, a plurality of circles of second grooves 6 are formed in the outer wall of the second portion 202, which is far away from the first portion 201, a second sealing element is arranged in each second groove 6, the outer wall of the second sealing element 601 abuts against the inner wall of the first groove 102, and the second sealing element 601 is used for sealing and preventing dust; under certain specific situations, the outer wall of the end, far away from the first portion 201, of the second portion 202 is provided with two circles of second grooves 6 in a distributed and arranged mode along the horizontal direction, the second sealing element 601 is a rubber ring, the diameter of the rubber ring is larger than the depth of the second grooves 6 in the vertical direction, and the rubber ring can seal the second gap, so that scrap iron and oil stains generated when the tool shank is used for machining a threaded hole are prevented from entering the second gap to damage the tool shank and the adapter shank.

Further, the device also comprises a cooling assembly, wherein the cooling assembly is used for reducing the temperature of the first clamping piece 1 and the second clamping piece 2 when the workpieces are machined; under certain specific situations, iron chips and oil stains are generated when the cutter handle clamps the screw tap to machine the threaded hole, high temperature is generated, the cooling assembly can flush the screw tap and the threaded hole through water discharged from the center of the clamping opening 204 in the machining process, and the quality of the threaded hole is prevented from being influenced by the iron chips and the oil stains; meanwhile, the cooling assembly can also cool the cutter handle.

Further, the first clamping piece 1 is internally provided with a first channel, the second clamping piece 2 is internally provided with a second channel communicated with the first channel, and the first channel and the second channel are communicated to form a water path of the cooling assembly; optionally, the first channel is disposed in a side wall of the adapter handle, and has a first water inlet and a first water outlet, and the interface 104 of the adapter handle is the first water inlet; the second channel is arranged in the side wall of the cutter handle and is provided with a second water inlet 7 and a second water outlet, after the cutter handle is connected with the adapter handle, the first water outlet is communicated with the second water inlet 7, and the clamping port 204 of the cutter handle is the second water outlet; in addition, two third sealing parts 9 are arranged in the handle, the outer rings of the third sealing parts 9 are abutted to the inner wall of the second part 202 and can shield the second water inlet 7, and the third sealing parts 9 can be used for sealing the water channel to avoid water leakage.

Further, the first clamping member 1 is provided with a third through hole 8, the third through hole 8 is communicated with the first groove 102, and when the second part 202 of the second clamping member 2 extends into the first groove 102, air in the first groove 102 is squeezed and discharged from the third through hole 8; in some specific situations, the first groove 102 is not communicated with the interface 104, and the third through hole 8 is disposed on the sidewall of the first groove 102 away from the first opening 101, so as to prevent the second portion 202 of the tool handle from being inserted into the first groove 102 due to an excessive air pressure in the first groove 102.

The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are no specific structures which are objectively limitless due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the technical features mentioned above can be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention in other instances, which may or may not be practiced, are intended to be within the scope of the present application.

Claims

1. The utility model provides a novel flexible tapping handle of a knife which characterized in that includes:

the clamping device comprises a first clamping piece (1), wherein one side of the first clamping piece (1) is provided with a first opening (101), a first groove (102) is formed in the first clamping piece (1), and the opening direction of the first groove (102) faces to the side of the first opening (101); a first through hole (103) is formed through the first groove (102), and the axis direction of the first through hole (103) is a first direction;

a second clamp (2), the second clamp (2) having a first portion (201) and a second portion (202) along a second direction, the second direction being perpendicular to the first direction; the second part (202) can extend into the first clamping piece (1) from the first opening (101), a second through hole (203) is formed in the second part (202), the axial direction of the second through hole (203) is the first direction, and the second through hole (203) is communicated with the first through hole (103) to form a first space;

one end of the first connecting piece (3) can extend into the first space and is used for connecting the first clamping piece (1) and the second clamping piece (2);

the flexible assembly (4) is arranged in the first space and sleeved outside the first connecting piece (3), and the flexible assembly (4) is used for providing buffering force for the second clamping piece (2) to move in the first clamping piece (1).

2. The novel flexible tapping knife handle of claim 1, characterized in that: a first boss (131) and a second boss (132) are arranged on the inner wall of the first through hole (103) along the first direction, and a first space is formed between the second through hole (203) and the end faces, close to the opposite ends, of the first boss (131) and the second boss (132).

3. The novel flexible tapping knife handle of claim 1, characterized in that: the flexible assembly (4) is a rubber sleeve, and the outer wall of the flexible assembly (4) is abutted to the inner wall of the second through hole (203).

4. The novel flexible tapping knife handle of claim 2, characterized in that: the first connecting piece (3) is provided with a first end (301) and a second end (302) along the first direction, the outer wall of the second end (302) is in threaded connection with the inner wall of the flexible assembly (4), the first end (301) is provided with a third boss (311), and the outer diameter of the third boss (311) is smaller than the inner diameter of the first through hole (103) and larger than the inner diameter of the first boss (131).

5. The novel flexible tapping knife handle of claim 1, characterized in that: a first gap is formed between the end, close to the second portion (202), of the first portion (201) and the end face of the first clamping piece (1), and a ring of first sealing piece (5) is sleeved outside the first gap.

6. The novel flexible tapping knife handle of claim 5, characterized in that: the first sealing element (5) is made of aluminum.

7. The novel flexible tapping knife handle of claim 1, characterized in that: the outer wall of the second part (202) far away from the first part (201) is provided with a plurality of circles of second grooves (6), a second sealing element is arranged in each second groove (6), the outer wall of the second sealing element (601) is abutted to the inner wall of the first groove (102), and the second sealing element (601) is used for sealing and preventing dust.

8. The novel flexible tapping knife handle of claim 1, characterized in that: the workpiece machining device further comprises a cooling assembly, and the cooling assembly is used for reducing the temperature of the first clamping piece (1) and the second clamping piece (2) when machining workpieces.

9. The novel flexible tapping knife handle of claim 8, characterized in that: the first clamping piece (1) is internally provided with a first channel, the second clamping piece (2) is internally provided with a second channel communicated with the first channel, and the first channel and the second channel are communicated to form a water path of the cooling assembly.

10. The novel flexible tapping knife handle of claim 1, characterized in that: the first clamping piece (1) is provided with a third through hole (8), the third through hole (8) is communicated with the first groove (102), and when the second portion (202) of the second clamping piece (2) extends into the first groove (102), air in the first groove (102) is extruded to be discharged from the third through hole (8).