CN210172735U

CN210172735U - Special machining composite thread milling cutter

Info

Publication number: CN210172735U
Application number: CN201920931654.4U
Authority: CN
Inventors: Wenbin Mao; 毛文斌
Original assignee: Changzhou Bosheng Tianhong Tools Co Ltd
Current assignee: Changzhou Bosheng Tianhong Tools Co Ltd
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2020-03-24
Anticipated expiration: 2029-06-20

Abstract

The utility model discloses a compound thread milling cutter of special machining, including caudal peduncle, connection handle, reamer head, chip removal mouth and extending structure, the top of caudal peduncle is equipped with the connection handle, and the central point department of putting of connecting the handle bottom is equipped with extending structure to the central point department of putting on connection handle top is equipped with the reamer head, all be equipped with equidistant cutting edge on two lateral walls of reamer head, and all be equipped with the chip removal mouth on two lateral walls of reamer head bottom, the top of chip removal mouth extends to the outside of reamer head, the top of reamer head is equipped with the cutter head, and all is equipped with the chip groove on two lateral walls of cutter head bottom, and the top of chip groove extends to the outside of cutter head to be equipped with equidistant screw thread sword on the cutter head outer wall of chip groove top. The utility model discloses not only improved the milling effect when thread milling cutter uses, improved thread milling cutter's application scope, the phenomenon that appears damaging when having avoided thread milling cutter to use moreover.

Description

Special machining composite thread milling cutter

Technical Field

The utility model relates to a thread milling cutter technical field specifically is compound thread milling cutter of special machining.

Background

The thread milling is mainly operated on a three-axis linkage machine tool, is suitable for milling medium and small-diameter threads made of steel, cast iron and non-ferrous metal materials, has the characteristics of stable cutting and high durability, and is widely applied to various industries along with the continuous development of the society.

The thread milling cutters on the market are various in types and can basically meet the use requirements of people, but certain defects still exist, and the specific problems are as follows.

(1) The traditional thread milling cutter has a common milling effect, and is very inconvenient because a thread milling cutter is used for milling after a reamer head is used for finishing the processing of a hole during processing;

(2) the traditional thread milling cutter is difficult to adjust the distance between the connecting handle and the tail handle, is inconvenient to adjust the length according to the specific requirements of a machine tool, and often troubles people;

(3) the traditional thread milling cutter is difficult to cool the cutting edge, is easy to damage due to high temperature, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound thread milling cutter of special type machining to it mills the effect generally, is difficult to adjust the interval between connecting handle and the cylinder and is difficult to carry out refrigerated problem to the cutting edge to provide thread milling cutter in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the compound thread milling cutter of special machining, including caudal peduncle, connection handle, reamer head, chip removal mouth and extending structure, the top of caudal peduncle is equipped with the connection handle, and the central point department of putting of connection handle bottom is equipped with extending structure to the central point department of putting on connection handle top is equipped with the reamer head, all be equipped with equidistant cutting edge on two lateral walls of reamer head, and all be equipped with the chip removal mouth on two lateral walls of reamer head bottom, the top of chip removal mouth extends to the outside of reamer head, the top of reamer head is equipped with the cutter head, and all is equipped with the chip removal groove on two lateral walls of cutter head bottom, and the top of chip removal groove extends to the outside of cutter head to be equipped with equidistant screw thread sword on the cutter head outer wall of chip removal groove top.

Preferably, a liquid storage groove is formed in the center of the interior of the reamer head, a liquid injection through groove is formed in the connecting handle at the bottom end of the liquid storage groove, one end of the liquid injection through groove extends to the interior of the connecting handle, and two groups of overflow grooves are formed in two outer side walls of the liquid storage groove.

Preferably, the cutting edges are provided in six, and the six cutting edges are divided into two groups, and the adjacent cutting edges are symmetrical about the center line of the reamer head.

Preferably, the bottom mounting of milling cutter head has the connecting block, and all is equipped with fastening groove on two lateral walls of connecting block to the reamer top of connecting block position department is equipped with the mounting groove, all is equipped with the fastening block on two inside walls of mounting groove, and the fastening block is mutually supported with fastening groove.

Preferably, extending structure is from last to being equipped with flexible groove, stopper, screw thread post and screw cap down in proper order, the central point of connecting the handle bottom puts the department and is equipped with flexible groove, and the central point of flexible inslot portion puts the department and is equipped with the screw thread post, the bottom of screw thread post extend to the outside in flexible groove and with the top fixed connection of caudal peduncle.

Preferably, a limiting block is fixed inside the telescopic groove at the top end of the threaded column, and a threaded cap is fixed at the bottom end of the connecting handle on the surface of the threaded column.

Compared with the prior art, the beneficial effects of the utility model are that: the special machining composite thread milling cutter not only improves the milling effect when the thread milling cutter is used and the application range of the thread milling cutter, but also avoids the phenomenon of damage when the thread milling cutter is used;

(1) by arranging the chip groove, the milling cutter head, the threaded blade, the mounting groove, the fastening block, the fastening groove and the connecting block, the fastening block is firstly buckled into the fastening groove, the connecting block is fixed in the mounting groove, and the milling cutter head is quickly mounted at the top of the reaming cutter head, so that the processed object can be milled by the chip groove and the threaded blade, and the milling effect of the threaded milling cutter is improved when the threaded milling cutter is used;

(2) the thread column is rotated inside the thread cap and the telescopic groove by arranging the telescopic groove, the limiting block, the thread column and the thread cap, so that the tail handle is driven to descend, and the limiting block limits the descending force of the thread column so as to adjust the distance between the tail handle and the connecting handle, so that the application range of the thread milling cutter is enlarged;

(3) through being provided with liquid injection through groove, reservoir and overflow launder, lead to the inside of groove with the coolant liquid injection to the reservoir through annotating liquid, the inside coolant liquid of reservoir can overflow to the inside of overflow launder afterwards to cool off the cutting edge, thereby the phenomenon of damage appears when having avoided thread milling cutter to use.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 4 is a schematic view of the cross-sectional enlarged structure of the telescopic structure of the present invention.

In the figure: 1. a tail handle; 2. a connecting handle; 3. a reamer head; 4. a cutting edge; 5. a chip groove; 6. a milling head; 7. a threaded blade; 8. a chip removal port; 9. an overflow trough; 10. a liquid storage tank; 11. a liquid injection through groove; 12. a telescopic structure; 1201. a telescopic groove; 1202. a limiting block; 1203. a threaded post; 1204. a threaded cap; 13. mounting grooves; 14. a fastening block; 15. a fastening groove; 16. and (4) connecting the blocks.

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, the present invention provides an embodiment: the special machining composite thread milling cutter comprises a tail handle 1, a connecting handle 2, a reamer head 3, a chip removal port 8 and a telescopic structure 12, wherein the connecting handle 2 is arranged above the tail handle 1, the telescopic structure 12 is arranged at the central position of the bottom end of the connecting handle 2, the telescopic structure 12 is sequentially provided with a telescopic groove 1201, a limiting block 1202, a threaded column 1203 and a threaded cap 1204 from top to bottom, the telescopic groove 1201 is arranged at the central position of the bottom of the connecting handle 2, the threaded column 1203 is arranged at the central position inside the telescopic groove 1201, the bottom end of the threaded column 1203 extends to the outside of the telescopic groove 1201 and is fixedly connected with the top end of the tail handle 1, the limiting block 1202 is fixed inside the telescopic groove 1201 at the top end of the threaded column 1203, and the threaded cap 1204 is fixed at the bottom end of the connecting handle 2 on the surface of;

the threaded column 1203 is rotated in the threaded cap 1204 and the telescopic groove 1201 by rotating the threaded column 1203, so that the tail handle 1 is driven to descend, and meanwhile, the descending force of the threaded column 1203 is limited by the limiting block 1202, so that the distance between the tail handle 1 and the connecting handle 2 can be adjusted, and the threaded column 1203 is suitable for machine tools of different specifications;

a reaming head 3 is arranged at the center of the top end of the connecting handle 2, a liquid storage tank 10 is arranged at the center of the interior of the reaming head 3, a liquid injection through groove 11 is arranged in the connecting handle 2 at the bottom end of the liquid storage tank 10, one end of the liquid injection through groove 11 extends into the interior of the connecting handle 2, and two groups of overflow grooves 9 are arranged on two outer side walls of the liquid storage tank 10 so as to cool the cutting edge 4;

the two outer side walls of the reamer head 3 are provided with six cutting edges 4 at equal intervals, the six cutting edges 4 are divided into two groups, and the adjacent cutting edges 4 are symmetrical about the center line of the reamer head 3, so that the cutting effect of the thread milling cutter is improved;

the two outer side walls of the bottom of the reamer head 3 are provided with chip removal ports 8, the top ends of the chip removal ports 8 extend to the outside of the reamer head 3, a milling head 6 is arranged above the reamer head 3, the bottom end of the milling head 6 is fixed with a connecting block 16, the two outer side walls of the connecting block 16 are provided with fastening grooves 15, the top of the reamer head 3 at the position of the connecting block 16 is provided with a mounting groove 13, the two inner side walls of the mounting groove 13 are provided with fastening blocks 14, and the fastening blocks 14 are matched with the fastening grooves 15 so as to facilitate the rapid disassembly and assembly of the milling head 6;

and two outer side walls at the bottom of the milling cutter head 6 are provided with chip grooves 5, the top ends of the chip grooves 5 extend to the outside of the milling cutter head 6, and the outer wall of the milling cutter head 6 above the chip grooves 5 is provided with thread edges 7 at equal intervals.

The working principle is as follows: when the thread milling cutter is used, firstly, a hole is processed on an object through the reaming head 3 and the cutting edge 4, chips are discharged from the chip removal port 8, then the fastening block 14 is buckled into the fastening groove 15, the connecting block 16 is fixed in the mounting groove 13, the milling head 6 is quickly mounted at the top of the reaming head 3, so that the processed object can be milled through the thread blade 7, meanwhile, the chips are discharged through the chip removal groove 5, then, the threaded column 1203 is rotated in the threaded cap 1204 and the telescopic groove 1201 through rotation, the tail handle 1 is driven to descend, meanwhile, the descending force of the threaded column 1203 is limited through the limiting block 1202, so that the distance between the tail handle 1 and the connecting handle 2 is convenient to adjust, the threaded milling cutter is suitable for machine tools with different specifications, finally, cooling liquid is injected into the liquid storage tank 10 through the liquid injection through the through groove 11, and then the cooling liquid in the liquid storage tank 10 overflows to the overflow groove 9, so as to cool the cutting edge 4 and avoid the phenomenon that the cutting edge 4 is damaged due to high temperature, thereby completing the use of the thread milling cutter.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Compound thread milling cutter of special machining, including caudal peduncle (1), connecting handle (2), reamer head (3), chip removal mouth (8) and extending structure (12), its characterized in that: the top of caudal peduncle (1) is equipped with connecting handle (2), and the central point department of putting of connecting handle (2) bottom is equipped with extending structure (12) to the central point department of putting on connecting handle (2) top is equipped with reamer head (3), all be equipped with equidistant cutting edge (4) on two lateral walls of reamer head (3), and all be equipped with chip removal mouth (8) on two lateral walls of reamer head (3) bottom, the top of chip removal mouth (8) extends to the outside of reamer head (3), the top of reamer head (3) is equipped with milling cutter head (6), and all is equipped with chip groove (5) on two lateral walls of milling cutter head (6) bottom, and the top of chip groove (5) extends to the outside of milling cutter head (6) to be equipped with equidistant screw thread sword (7) on milling cutter head (6) outer wall of chip groove (5) top.

2. The special machining compound thread milling cutter according to claim 1, wherein: the hinge tool bit (3) is characterized in that a liquid storage groove (10) is formed in the center of the interior of the hinge tool bit, a liquid injection through groove (11) is formed in the connecting handle (2) at the bottom end of the liquid storage groove (10), one end of the liquid injection through groove (11) extends to the interior of the connecting handle (2), and two groups of overflow grooves (9) are formed in two outer side walls of the liquid storage groove (10).

3. The special machining compound thread milling cutter according to claim 1, wherein: the six cutting edges (4) are divided into two groups, and the adjacent cutting edges (4) are symmetrical about the center line of the reamer head (3).

4. The special machining compound thread milling cutter according to claim 1, wherein: the bottom mounting of milling cutter head (6) has connecting block (16), and all is equipped with fastening groove (15) on two lateral walls of connecting block (16) to reamer head (3) top of connecting block (16) position department is equipped with mounting groove (13), all is equipped with fastening block (14) on two inside walls of mounting groove (13), and fastening block (14) and fastening groove (15) are mutually supported.

5. The special machining compound thread milling cutter according to claim 1, wherein: extending structure (12) are from last to being equipped with flexible groove (1201), stopper (1202), screw thread post (1203) and screw cap (1204) down in proper order, the central point of connecting handle (2) bottom puts the department and is equipped with flexible groove (1201), and the inside central point of flexible groove (1201) puts the department and is equipped with screw thread post (1203), the bottom of screw thread post (1203) extend to the outside of flexible groove (1201) and with the top fixed connection of caudal peduncle (1).

6. The special machining compound thread milling cutter according to claim 5, wherein: a limiting block (1202) is fixed inside a telescopic groove (1201) at the top end of the threaded column (1203), and a threaded cap (1204) is fixed at the bottom end of the connecting handle (2) on the surface of the threaded column (1203).