CN213916153U

CN213916153U - Boring cutter with eccentric cutter handle

Info

Publication number: CN213916153U
Application number: CN202022235419.9U
Authority: CN
Inventors: 商燕飞
Original assignee: Haka Changzhou Precision Machinery Co ltd
Current assignee: Haka Changzhou Precision Machinery Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-08-10
Anticipated expiration: 2030-10-09

Abstract

A boring cutter with an eccentric cutter handle comprises a cutter handle, a mounting section, a connecting section, a cutter rod, a cutting edge, a bolt, a threaded hole, a hollow layer, a mounting groove, a sealing gasket, a sealing cover, a sealing groove and a buffer gasket, wherein the cutter rod is arranged at one end of the cutter handle, the cutting edge is arranged at the bottom end of the cutter rod, the connecting groove is arranged in one end of the mounting section, a through hole is formed in the mounting section, the threaded hole is formed in one side of the cutter handle and corresponds to the through hole, a buffer ring is arranged on the inner wall of the connecting groove, the other end of the cutter handle is arranged in the connecting groove, the hollow layer is arranged in the cutter handle, the mounting groove is formed in the right side of the cutter handle, the sealing cover is arranged in the mounting groove, the sealing gasket is arranged at the bottom end of the sealing cover, the connecting section is arranged on the right side of the mounting section, the fixing groove is formed in the mounting section, the damping device has strong elasticity and strong absorption capacity on the damping force, so that when in use, the influence of the vibration of the tool holder on the machining size and the roughness is avoided, and the machining size is better guaranteed.

Description

Boring cutter with eccentric cutter handle

Technical Field

The utility model relates to a boring cutter technical field specifically is a boring cutter with eccentric handle of a knife.

Background

Traditional turn-milling composite cutter handle includes lathe bed, headstock, main shaft axle center, handle of a knife and cutter, and general traditional handle of a knife is connected on the main shaft, and traditional equipment handle of a knife design is littleer, and the center department that the cutter was connected in the handle of a knife bottom rotates and polishes the work piece, and the boring cutter is one kind of boring cutter, is applied to each machining equipment in, and it is more to use in machining equipment, and the kind of boring cutter is also diversified, is applicable to and processes different materials.

For example, the patent publication "CN 201621111446.2" is named as: the patent of "a floating eccentric shank configuration", which discloses "includes a shank and a joint for mounting a tool; the tool shank comprises a mounting section and a connecting section matched with a main shaft of a machine tool, the mounting section is provided with a mounting channel for mounting the joint, two sides of the mounting channel are provided with axially symmetrical insertion grooves, one end of each insertion groove penetrates through the end face of the mounting section, and the other end of each insertion groove is provided with a radial clamping and embedding groove; the mounting section is provided with a telescopic thrust screw, the thrust screw is positioned on the side wall of the bottom end of the mounting channel, and when the connector is clamped and fixed in the tool handle, the free end of the thrust screw can abut against the end face of the connector; at least three telescopic floating screws are arranged at the mounting opening of the mounting section, the floating screws are uniformly distributed along the radial direction of the outer side of the mounting section, and the distances of the free ends of the floating screws inserted into the mounting section are equal; the head part of the joint is provided with a pair of positioning pins which can be embedded into the embedding grooves through the insertion grooves; the joint is inserted into the tool shank, radial floating is carried out by adopting the fit of the shaft hole clearance between the mounting section and the joint, and the joint is axially fixed with the thrust screw through the positioning pin, in the floating eccentric knife handle structure, a chamfer angle alpha is arranged between the mounting section and the connecting section, the chamfer angle alpha is an angle degree, in the floating eccentric knife handle structure, the joint is of a Morse taper structure with a flat tail, the flat tail of the joint is provided with a dismounting hole, in the floating eccentric knife handle structure, the end surface of the joint head is provided with an arc-shaped notch, in the floating eccentric knife handle structure, a first radial included angle gamma is formed between the central line of the arc-shaped notch and the central axis of the positioning pin, and a second radial included angle omega is formed between the central line of the end surface of the insertion groove and the end surface of the thrust screw, and the first radial included angle gamma and the second radial included angle omega are both degrees'.

However, when the existing boring tool with the eccentric shank is used, if the tool is clamped with the shank tightly, the situation that the tool is not easy to disassemble or is slightly abraded can occur, the tool is too tight or too loose when used and installed next time, the tool is not favorable for long-term use of the tool, and the tool shank can vibrate to influence the service life of the tool.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a boring cutter with eccentric handle, which is simple in structure and strong in practicability.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a boring cutter with eccentric handle of a knife, includes handle of a knife, installation section, linkage segment, cutter arbor, cutting edge, bolt, screw hole, empty core layer, mounting groove, sealed pad, closing cap, spread groove and cushion, handle of a knife one end is provided with the cutter arbor, and the cutter arbor bottom is provided with the cutting edge, the inside spread groove that is provided with of installation segment one end is provided with the through-hole on the installation section, handle of a knife one side is provided with the screw hole, and the screw hole is corresponding with the through-hole, be provided with the cushion on the spread groove inner wall, the handle of a knife other end sets up inside the spread groove, the inside empty core layer that is provided with in handle of a knife right side, be provided with the closing cap in the mounting groove, the closing cap bottom is provided with sealed pad, the installation segment right side is provided with the linkage segment, is provided with the fixed slot on the installation segment.

In order to realize better connection, the utility model discloses the improvement has, mounting groove and closing cap looks adaptation, be provided with the recess on the closing cap, the inside screw that is provided with of recess, the screw passes the closing cap and is connected with the mounting groove.

In order to realize better sealing, the utility model discloses the improvement has, hollow layer communicates with each other with the mounting groove, sealed pad is corresponding with hollow layer.

In order to realize better shock attenuation, the utility model discloses the improvement has, hollow in situ portion is provided with absorbing material, shock-absorbing material adopts the soft material of polyurethane.

In order to improve the life of handle of a knife, the utility model discloses the improvement has, the blotter is connected with spread groove inner wall looks adaptation and adoption glue, the blotter adopts the elastic rubber material.

In order to realize better fixed, the utility model discloses the improvement has, be provided with the bolt on the through-hole, the bolt passes the through-hole and is connected with the screw hole.

In order to realize better dismantlement, the utility model discloses the improvement has, the cutting edge design is the detachable form.

(III) advantageous effects

Compared with the prior art, the utility model provides a boring cutter with eccentric handle of a knife possesses following beneficial effect:

the boring cutter with the eccentric handle is characterized in that one end of the handle is arranged in the connecting groove, a threaded hole arranged at one end of the handle corresponds to a through hole on the connecting groove, a bolt penetrates through the through hole to be connected with the threaded hole, the handle is connected with the mounting section, the fixity and the disassembly of the cutter can be improved and facilitated by adopting the bolt connection, a buffer cushion is arranged on the inner wall of the connecting groove, the buffer cushion is matched with the inner wall of the connecting groove and is connected by adopting glue, the buffer cushion is made of elastic rubber, when the handle penetrates through the connecting groove, the handle can be more tightly connected with the connecting groove by the elasticity of the buffer cushion, the condition that the handle is worn for a long time in the connecting groove is avoided, the cutter is too tight or too loose when being used and mounted next time, the long-term use of the cutter is not facilitated, during the use, pack absorbing material to hollow layer intussuseption in mounting groove department, damping material adopts the soft material of polyurethane, the back has been filled, seal through the closing cap with mounting groove looks adaptation, the rethread screw is connected the closing cap, the sealed pad that sets up in the closing cap bottom can avoid damping material to leak, improve the leakproofness, damping device has elasticity reinforce, the absorbing capacity to the impact force is strong, when using like this, avoid the handle of a knife to produce the influence of vibration to machining dimension and roughness, make the machining dimension obtain better assurance.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the disassembled structure of FIG. 1 according to the present invention;

fig. 3 is a schematic view of a partial enlarged structure at a in fig. 2 according to the present invention;

FIG. 4 is a schematic diagram of the external structure of FIG. 1 according to the present invention;

in the figure: 1. a knife handle; 2. an installation section; 3. a connecting section; 4. fixing grooves; 5. a cutter bar; 6. a blade; 7. a bolt; 8. a through hole; 9. a threaded hole; 10. a hollow layer; 11. mounting grooves; 12. a gasket; 13. sealing the cover; 14, a screw; 15. a groove; 16. connecting grooves; 17. a cushion pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a boring cutter with an eccentric shank comprises a shank 1, a mounting section 2, a connecting section 3, a cutter bar 5, a cutting edge 6, a bolt 7, a threaded hole 9, a hollow layer 10, a mounting groove 11, a sealing gasket 12, a sealing cover 13, a connecting groove 16 and a buffer gasket 17, wherein the cutter bar 5 is arranged at one end of the shank 1, the cutting edge 6 is arranged at the bottom end of the cutter bar 5, the cutting edge 6 is designed to be detachable, the connecting groove 16 is arranged inside one end of the mounting section 2, a through hole 8 is arranged on the mounting section 2, the bolt 7 is arranged on the through hole 8, the threaded hole 9 is arranged at one side of the shank 1, the threaded hole 9 corresponds to the through hole 8, the bolt 7 passes through the through hole 8 to be connected with the threaded hole 9, the buffer gasket 17 is arranged on the inner wall of the connecting groove 16, the buffer 17 is matched with the inner wall of the connecting groove 16 and is connected with glue, and the buffer 17 is made of elastic rubber, the other end of the handle of a knife 1 sets up inside spread

groove

16, 1 inside hollow layer 10 that is provided with of handle of a knife, hollow layer 10 communicates with each other with mounting groove 11, sealed 12 corresponding with hollow layer 10, the inside absorbing material that is provided with of hollow layer 10, shock-absorbing material adopts the soft material of polyurethane, the inside mounting groove 11 that is provided with in 1 right side of handle of a knife, be provided with closing cap 13 in the mounting groove 11, closing cap 13 bottom is provided with sealed 12, mounting groove 11 and closing cap 13 looks adaptation, be provided with recess 15 on the closing cap 13, the inside screw 14 that is provided with of recess 15, screw 14 passes closing cap 13 and is connected with

mounting groove

11, 2 right sides in installation section are provided with linkage segment 3, are provided with fixed slot 4 on the installation section 2.

To sum up, the working principle and the working process of the boring cutter with the eccentric cutter handle are that when the boring cutter with the eccentric cutter handle is used, one end of the cutter handle 1 is arranged inside the connecting groove 16, the threaded hole 9 arranged at one end of the cutter handle 1 corresponds to the through hole 8 on the connecting groove 16, the bolt 7 penetrates through the through hole 8 to be connected with the threaded hole 9, so that the cutter handle 1 is connected with the mounting section 2, the fixing property and the convenient disassembly of the cutter can be improved by adopting the connection of the bolt 7, the buffer cushion 17 arranged on the inner wall of the connecting groove 16 is matched with the inner wall of the connecting groove 16 and is connected by glue, the buffer cushion 17 is made of elastic rubber materials, when the cutter handle 1 penetrates through the connecting groove 16, the elasticity of the buffer cushion 17 can enable the cutter handle 1 to be connected with the connecting groove 16 more tightly, the situation that the inside of the connecting groove 16 is abraded for a long time to cause the next use and installation of the cutter to be too tight or too loose, be unfavorable for the permanent use of cutter, the life of handle of a knife 1 has been improved, hollow layer 10 at the inside hollow layer 10 that sets up of handle of a knife 1, hollow layer 10 communicates with each other with mounting groove 11, in the use, 11 department at mounting groove fills absorbing material to hollow layer 10 intussuseption, damping material adopts the soft material of polyurethane, fill the back, seal through closing cap 13 with 11 looks adaptations of mounting groove, rethread screw 14 is connected closing cap 13, sealing gasket 12 that sets up in closing cap 13 bottom can avoid damping material to leak, improve the leakproofness, damping device has elasticity strong, it is strong to the absorptive capacity of impact force, when using like this, avoid handle of a knife 1 to produce the influence of vibration to machining dimension and roughness, make the machining dimension obtain better assurance.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a boring cutter with eccentric handle of a knife which characterized in that: comprises a knife handle (1), a mounting section (2), a connecting section (3), a knife rod (5), a cutting edge (6), a bolt (7), a threaded hole (9), a hollow layer (10), a mounting groove (11), a sealing gasket (12), a sealing cover (13), a connecting groove (16) and a buffer gasket (17), wherein the knife rod (5) is arranged at one end of the knife handle (1), the cutting edge (6) is arranged at the bottom end of the knife rod (5), the connecting groove (16) is arranged in one end of the mounting section (2), a through hole (8) is arranged on the mounting section (2), the threaded hole (9) is arranged at one side of the knife handle (1), the threaded hole (9) corresponds to the through hole (8), the buffer gasket (17) is arranged on the inner wall of the connecting groove (16), the other end of the knife handle (1) is arranged in the connecting groove (16), the hollow layer (10) is arranged in the knife handle (1), the mounting groove (11) is arranged in the right side of the knife handle (1), be provided with closing cap (13) in mounting groove (11), closing cap (13) bottom is provided with sealed pad (12), installation section (2) right side is provided with linkage segment (3), is provided with fixed slot (4) on installation section (2).

2. The boring tool with the eccentric shank according to claim 1, wherein: mounting groove (11) and closing cap (13) looks adaptation, be provided with recess (15) on closing cap (13), recess (15) inside is provided with screw (14), screw (14) pass closing cap (13) and are connected with mounting groove (11).

3. The boring tool with the eccentric shank according to claim 1, wherein: the hollow layer (10) is communicated with the mounting groove (11), and the sealing gasket (12) corresponds to the hollow layer (10).

4. The boring tool with the eccentric shank according to claim 1, wherein: the hollow layer (10) is internally provided with a damping material, and the damping material is made of a soft polyurethane material.

5. The boring tool with the eccentric shank according to claim 1, wherein: buffer pad (17) and spread groove (16) inner wall looks adaptation and adopt glue to connect, buffer pad (17) adopt the elastic rubber material.

6. The boring tool with the eccentric shank according to claim 1, wherein: the bolt (7) is arranged on the through hole (8), and the bolt (7) penetrates through the through hole (8) to be connected with the threaded hole (9).

7. The boring tool with the eccentric shank according to claim 1, wherein: the cutting edge (6) is designed in a detachable manner.