CN216828694U

CN216828694U - High-precision boring cutter

Info

Publication number: CN216828694U
Application number: CN202122714460.9U
Authority: CN
Inventors: 刘利民; 杨春云; 任鹏飞
Original assignee: Xiangyang Jinxiangyuan Machinery Co ltd
Current assignee: Xiangyang Jinxiangyuan Machinery Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-06-28
Anticipated expiration: 2031-11-08

Abstract

The utility model relates to the technical field of boring devices and discloses a high-precision boring cutter which comprises a cutter shell, wherein a cutter die holder is fixedly connected inside the cutter shell, a cutter core is inserted inside the cutter die holder, a spring is fixedly connected to the inner top wall of the cutter die holder, threaded holes are formed in the cutter core, the number of the threaded holes is six, and the six threaded holes are grouped in pairs. The utility model has the following advantages and effects: with the one end of locking ring threaded connection at the U type ring, make locking ring and the die holder contact, can fix the tool core in the inside of die holder, the in-process of boring, the blade stretches into the production pressure to the inside of machined part, piston rod and piston fixed connection, the piston rod will carry out piston motion in the inside of piston cylinder this moment, thereby can cushion pressure, play the protection to tool core and cutter arbor, and then make this device not only be convenient for install the tool core, also can protect the tool core simultaneously.

Description

High-precision boring cutter

Technical Field

The utility model relates to the technical field of boring devices, in particular to a high-precision boring cutter.

Background

The boring cutter is one kind of boring cutter, generally a round handle, and a square cutter rod is also used for a larger workpiece, and the most common occasions are inner hole machining, hole expanding, profiling and the like.

Most of the existing boring cutters are of rigid structures, so that the existing boring cutters are inconvenient to install in the installation process, and the cutter cores are easy to break under great pressure due to high hardness in the use process, so that the existing boring cutters need to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-precision boring cutter which has the effects of convenience in installation and capability of buffering a cutter core.

The technical purpose of the utility model is realized by the following technical scheme: a high-precision boring cutter comprises a cutter shell, a cutter base is fixedly connected inside the cutter shell, a cutter core is inserted inside the cutter base, the inner top wall of the knife die holder is fixedly connected with a spring, threaded holes are formed in the knife core, the number of the threaded holes is six, every two of the six threaded holes form a group, wherein the inner part of one group of the threaded holes is inserted with a U-shaped ring, the outer surface of the U-shaped ring is connected with a locking ring in a threaded manner, one end of the knife core is sleeved with a connecting part, a knife bar is inserted in the connecting part, one end of the knife bar is fixedly connected with a piston cylinder, a piston rod is inserted in the piston cylinder, one end of the piston rod is fixedly connected with a piston, and the piston extends to the inside of the piston cylinder, the other end of the piston rod is fixedly connected with the cutter core, and one end of the cutter bar is fixedly connected with the blade.

By adopting the technical scheme, the cutter core is inserted into the cutter holder by an operator, then the U-shaped ring is inserted into the cutter core and the cutter holder through the threaded holes, the number of the threaded holes is six, the six threaded holes are divided into three groups, the operator inserts the U-shaped ring into any group of threaded holes to adjust the length of the cutter core in the cutter holder, the spring is contacted with the cutter core at the moment and is compressed, then the operator connects the locking ring at one end of the U-shaped ring in a threaded manner to enable the locking ring to be contacted with the cutter holder, so that the cutter core can be fixed in the cutter holder, in the boring process, the blade stretches into the inside of a workpiece to generate pressure, the piston rod is fixedly connected with the piston, the piston rod can perform piston motion in the piston cylinder at the moment, so that the pressure can be buffered, and the protection of the cutter core and the cutter bar is achieved, and then make this device not only be convenient for install the sword core, also can protect the sword core simultaneously.

The utility model is further configured as follows: a gap is formed between the knife shell and the knife die holder, a connecting rod is fixedly connected inside the gap, a motor box is arranged on one side of the connecting rod, a bolt is connected to the inner thread of the connecting rod, and the bolt extends into the motor box.

Through adopting above-mentioned technical scheme, the staff installs the one side of connecting rod with the motor case, with bolt threaded connection to the inside of connecting rod for the bolt extends to the inside of motor case, can fix the motor case.

The utility model is further provided with: the inside of motor case is provided with the motor, the output fixedly connected with flabellum of motor.

By adopting the technical scheme, in the boring process, a worker starts the motor, so that the motor drives the fan blades to rotate to generate wind, boring chips can be blown away, the boring quality is ensured, and meanwhile, the temperature of the fan blades can be reduced.

The utility model is further provided with: the inner wall fixedly connected with soundproof cotton of motor case, just soundproof cotton's thickness is 0.5 centimetres.

Through adopting above-mentioned technical scheme, the motor is at the during operation, keeps apart the noise that the motor produced in the inside of motor case through soundproof cotton, prevents noise pollution.

The utility model is further provided with: the other end fixedly connected with sleeve of sword shell, telescopic one end fixedly connected with installation department.

Through adopting above-mentioned technical scheme, the installation department is installed to the inside of boring apparatus, and the blade extends to the outside of boring apparatus.

The utility model is further configured as follows: the both sides of sword shell all are seted up flutedly, just U type ring extends to the inside of recess.

Through adopting above-mentioned technical scheme, the U type ring will extend to the inside of recess after installing the inside to die holder and refill, prevents that the U type ring is outwards outstanding.

The utility model has the beneficial effects that:

1. according to the utility model, through the arrangement among the cutter shell, the cutter base, the cutter core, the spring, the threaded holes, the U-shaped ring, the locking ring, the connecting part, the cutter bar, the piston cylinder, the piston rod, the piston and the blade, a worker inserts the cutter core into the cutter base, then inserts the U-shaped ring into the cutter core and the cutter base through the threaded holes, the number of the threaded holes is six, the six threaded holes are divided into three groups, the worker inserts the U-shaped ring into any group of threaded holes, so that the length of the cutter core in the cutter base can be adjusted, at the moment, the spring is in contact with the cutter core, the spring is compressed, then the worker connects the locking ring at one end of the U-shaped ring in a threaded manner, so that the locking ring is in contact with the cutter base, the cutter core can be fixed in the interior of the cutter base, the blade stretches into a workpiece to generate pressure during boring, and the piston rod is fixedly connected with the piston, the piston rod can carry out piston motion in the piston cylinder, so that pressure can be buffered, the knife core and the knife bar can be protected, the knife core can be conveniently installed by the device, and meanwhile the knife core can be protected.

2. According to the utility model, through the arrangement of the connecting rod, the motor box, the bolt, the motor, the fan blade and the soundproof cotton, a worker installs the motor box to one side of the connecting rod, the bolt is connected to the inside of the connecting rod in a threaded manner, so that the bolt extends to the inside of the motor box, the motor box can be fixed, in the boring process, the worker starts the motor, the motor drives the fan blade to rotate to generate wind, further boring debris can be blown away, the boring quality is ensured, meanwhile, the temperature of the fan blade can also be reduced, when the motor works, noise generated by the motor is isolated in the motor box through the soundproof cotton, and noise pollution is prevented.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a schematic view of the internal structure of the knife housing of the present invention;

FIG. 3 is a side view of the U-shaped ring of the present invention;

FIG. 4 is an enlarged schematic view of the structure of the utility model shown at A in FIG. 2.

In the figure, 1, a knife shell; 2. a knife die holder; 3. a cutter core; 4. a spring; 5. a threaded hole; 6. a U-shaped ring; 7. locking a ring; 8. a connecting portion; 9. a cutter bar; 10. a piston cylinder; 11. a piston rod; 12. a piston; 13. a blade; 14. a connecting rod; 15. a motor case; 16. a bolt; 17. a motor; 18. a fan blade; 19. sound insulation cotton; 20. a sleeve; 21. an installation part; 22. and (4) a groove.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

Referring to fig. 1-4, a high-precision boring cutter comprises a cutter shell 1, a cutter holder 2 is fixedly connected inside the cutter shell 1, a cutter core 3 is inserted inside the cutter holder 2, a spring 4 is fixedly connected to the inner top wall of the cutter holder 2, threaded holes 5 are formed inside the cutter core 3, the number of the threaded holes 5 is six, every two of the six threaded holes 5 form a group, a U-shaped ring 6 is inserted inside one group of the threaded holes 5, a locking ring 7 is connected to the outer surface of the U-shaped ring 6 in a threaded manner, a connecting part 8 is sleeved at one end of the cutter core 3, a cutter bar 9 is inserted inside the connecting part 8, a piston cylinder 10 is fixedly connected to one end of the cutter bar 9, a piston rod 11 is inserted inside the piston cylinder 10, a piston 12 is fixedly connected to one end of the piston rod 11, the piston 12 extends into the piston cylinder 10, the other end of the piston rod 11 is fixedly connected to the cutter core 3, and a blade 13 is fixedly connected to one end of the cutter bar 9, the working personnel insert the cutter core 3 into the cutter holder 2, then insert the U-shaped ring 6 into the cutter core 3 and the cutter holder 2 through the threaded holes 5, the number of the threaded holes 5 is six, the six threaded holes 5 are divided into three groups, the working personnel insert the U-shaped ring 6 into any group of threaded holes 5, the length of the cutter core 3 in the cutter holder 2 can be adjusted, at the moment, the spring 4 is contacted with the cutter core 3, the spring 4 is compressed, then the working personnel connect the locking ring 7 at one end of the U-shaped ring 6 in a threaded manner, so that the locking ring 7 is contacted with the cutter holder 2, the cutter core 3 can be fixed in the cutter holder 2, during the boring process, the blade 13 extends into the interior of a workpiece to generate pressure, the piston rod 11 is fixedly connected with the piston 12, at the moment, the piston rod 11 performs piston movement in the piston cylinder 10, and therefore the pressure can be buffered, the protection to the cutter core 3 and the cutter bar 9 is achieved, so that the device is not only convenient for mounting the cutter core 3, but also capable of protecting the cutter core 3, a gap is arranged between the cutter shell 1 and the cutter holder 2, a connecting rod 14 is fixedly connected inside the gap, one side of the connecting rod 14 is provided with a motor box 15, the inner thread of the connecting rod 14 is connected with a bolt 16, the bolt 16 extends into the motor box 15, a worker mounts the motor box 15 to one side of the connecting rod 14 and connects the bolt 16 into the connecting rod 14 in a threaded manner, so that the bolt 16 extends into the motor box 15, the motor box 15 can be fixed, the motor 17 is arranged inside the motor box 15, the output end of the motor 17 is fixedly connected with a fan blade 18, the worker starts the motor 17 during the boring process, so that the motor 17 drives the fan blade 18 to rotate to generate wind, and further blow away boring debris, guarantee the boring quality, also can cool down the processing to blade 13 simultaneously, the inner wall fixedly connected with soundproof cotton 19 of motor case 15, and soundproof cotton 19's thickness is 0.5 centimetres, motor 17 is at the during operation, the noise that produces motor 17 through soundproof cotton 19 is kept apart in the inside of motor case 15, prevent noise pollution, the other end fixedly connected with sleeve 20 of sword shell 1, the one end fixedly connected with installation department 21 of sleeve 20, installation department 21 is installed to the inside of boring apparatus, blade 13 extends to the outside of boring apparatus, recess 22 is all seted up to the both sides of sword shell 1, and U type ring 6 extends to the inside of recess 22, U type ring 6 is after installing to the inside of sword die holder 2 and refill 3, will extend to the inside of recess 22, prevent that U type ring 6 is outwards outstanding.

In the utility model, an operator inserts a cutter core 3 into a cutter holder 2, then inserts a U-shaped ring 6 into the cutter core 3 and the cutter holder 2 through threaded holes 5, the number of the threaded holes 5 is six, the six threaded holes 5 are divided into three groups, the operator inserts the U-shaped ring 6 into any group of threaded holes 5, the length of the cutter core 3 in the cutter holder 2 can be adjusted, at the moment, a spring 4 is contacted with the cutter core 3, the spring 4 is compressed, then the operator connects a locking ring 7 at one end of the U-shaped ring 6 in a threaded manner, so that the locking ring 7 is contacted with the cutter holder 2, the cutter core 3 can be fixed in the cutter holder 2, during boring, a blade 13 extends into a workpiece to generate pressure, a piston rod 11 is fixedly connected with a piston 12, and at the moment, the piston rod 11 performs piston movement in a piston cylinder 10, thereby can cushion pressure, play the protection to sword core 3 and cutter arbor 9, and then make this device not only be convenient for install sword core 3, also can protect sword core 3 simultaneously, the staff installs motor case 15 to one side of connecting rod 14, with the inside of 16 threaded connection of bolt to connecting rod 14, make bolt 16 extend to the inside of motor case 15, can fix motor case 15, the in-process of boring, staff's starter motor 17, make motor 17 drive flabellum 18 rotate and produce wind, and then can blow away the boring piece, guarantee the boring quality, also can cool down the processing to blade 13 simultaneously, motor 17 is at the during operation, keep apart in motor case 15's inside through soundproof cotton 19 the noise that produces motor 17, prevent noise pollution.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high accuracy boring cutter, includes tool case (1), its characterized in that: the knife comprises a knife shell (1), a knife die holder (2) is fixedly connected to the inside of the knife die holder (2), a knife core (3) is inserted into the inside of the knife die holder (2), a spring (4) is fixedly connected to the inner top wall of the knife die holder (2), a threaded hole (5) is formed in the knife core (3), the number of the threaded holes (5) is six, every two of the six threaded holes (5) form a group, a U-shaped ring (6) is inserted into the inside of the threaded hole (5), a locking ring (7) is connected to the outer surface of the U-shaped ring (6) in a threaded manner, a connecting portion (8) is sleeved at one end of the knife core (3), a knife bar (9) is inserted into the inside of the connecting portion (8), a piston cylinder (10) is fixedly connected to one end of the knife bar (9), a piston rod (11) is inserted into the inside of the piston cylinder (10), and a piston (12) is fixedly connected to one end of the piston rod (11), and the piston (12) extends to the inside of the piston cylinder (10), the other end of the piston rod (11) is fixedly connected with the cutter core (3), and one end of the cutter bar (9) is fixedly connected with a blade (13).

2. The high-precision boring tool as claimed in claim 1, wherein: be provided with the clearance between tool case (1) and the die holder (2), the inside fixedly connected with connecting rod (14) in clearance, one side of connecting rod (14) is provided with motor case (15), the inside threaded connection of connecting rod (14) has bolt (16), just bolt (16) extend to the inside of motor case (15).

3. The high-precision boring tool as claimed in claim 2, wherein: the motor box is characterized in that a motor (17) is arranged inside the motor box (15), and fan blades (18) are fixedly connected to the output end of the motor (17).

4. The high-precision boring tool as claimed in claim 2, wherein: the inner wall fixedly connected with soundproof cotton (19) of motor case (15), just soundproof cotton (19)'s thickness is 0.5 centimetres.

5. The high-precision boring tool as claimed in claim 4, wherein: the other end fixedly connected with sleeve (20) of sword shell (1), the one end fixedly connected with installation department (21) of sleeve (20).

6. The high-precision boring tool as claimed in claim 5, wherein: grooves (22) are formed in the two sides of the cutter shell (1), and the U-shaped rings (6) extend into the grooves (22).