CN220196363U - Cemented carbide cutter for turning - Google Patents

Abstract

The utility model discloses a hard alloy cutter for turning, which comprises the following components: the main body assembly comprises a cutter body and a first cutter head; the replacing assembly comprises two groups of identical threaded holes formed in the upper side and the lower side of the cutter body, a screw rod connected in the threaded holes, a second cutter head connected on the screw rod below, a rotating shaft connected in the middle of the cutter body and a U-shaped fixing frame rotatably connected on the rotating shaft; and the stabilizing component is connected with the outer side of the U-shaped fixing frame. Through the use of mutually supporting of change subassembly and main part subassembly that sets up, set up tool bit and blade into two parts, through screw rod and threaded connection, when the knife tip wearing and tearing, can directly change the tool bit, practiced thrift the cost to a certain extent, on the other hand adds a set of tool bit at the blade other end, can be when a set of tool bit damages, rotates out another set of tool bit and uses, can avoid unable timely change tool bit, and then influence the condition emergence of production.

Description

Cemented carbide cutter for turning

Technical Field

The utility model relates to the field of metal cutting, in particular to a hard alloy cutter for turning.

Background

The existing metal processing cutting tool is usually a hard alloy tool, the hard alloy tool is mainly formed by taking integral hard alloy as a matrix and carrying out finish machining through a plurality of production procedures, and the hard alloy tool has a series of excellent performances of high hardness, wear resistance, better strength and toughness, heat resistance, corrosion resistance and the like.

However, the following drawbacks still exist in practical use:

when the cutter cuts off feeding, the cutting force at the moment of cutting off the included angle of the workpiece is reduced to be zero, and the cutter rest generates a forward-punching phenomenon. Therefore, the cutter head part is extremely easy to wear and even collapse, the whole cutter needs to be replaced, the cost is high, a large amount of resources are wasted, and on the other hand, if the cutter cannot be replaced in time, production lag is caused, and the production efficiency is affected.

Therefore, we provide a cemented carbide insert for use in turning to solve the above problems.

Disclosure of Invention

Therefore, the utility model aims to provide the hard alloy cutter for turning, the cutter head and the cutter body are arranged into two parts through the mutual matching of the arranged replacement component and the main body component, and the cutter head can be directly replaced when the cutter tip is worn or broken through the screw rod and the screw thread, so that the cost is saved to a certain extent, on the other hand, the other end of the cutter body is additionally provided with one group of cutter heads, and when one group of cutter heads are damaged, the other group of cutter heads can be rotated for use, so that the condition that the cutter heads cannot be replaced in time and the production is influenced can be avoided.

In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:

a cemented carbide insert for use in turning, comprising:

the main body assembly comprises a cutter body and a first cutter head;

the replacing assembly comprises two groups of identical threaded holes formed in the upper side and the lower side of the cutter body, a screw rod connected in the threaded holes, a second cutter head connected on the screw rod below, a rotating shaft connected in the middle of the cutter body and a U-shaped fixing frame rotatably connected on the rotating shaft;

and the stabilizing component is connected with the outer side of the U-shaped fixing frame.

As a preferable scheme of the hard alloy cutter used for turning, the first cutter head and the second cutter head are connected in threaded holes at the upper end and the lower end of the cutter body through screws.

As a preferable scheme of the hard alloy cutter for turning, the main body assembly further comprises a cutter point arranged at the top end of the first cutter head and a chip rolling groove arranged at the side edge of the top end of the first cutter head.

As a preferable scheme of the cemented carbide tool for turning according to the present utility model, the second tool bit is the same as the first tool bit, and the same tool tip and chip rolling groove are provided.

Specifically, the cutter body is fixed on the cutter frame, the cutter frame is moved forward, the cutter tip at the front end of the cutter head is aligned with the metal surface to be cut, the equipment is started, the metal steel pipe rotates, the cutter tip cuts the steel pipe to form, steel scraps cut from the steel pipe are rolled down through the scraps rolling groove, and therefore the steel scraps are prevented from adhering to the steel pipe to influence cutting operation.

As a preferable mode of the cemented carbide insert for turning according to the present utility model, the stabilizing assembly includes a first fixing block connected to the insert body, and a second fixing block connected to a lower end of the first fixing block.

As a preferable scheme of the hard alloy cutter for turning, the stabilizing assembly further comprises a first through hole formed in the first fixed block and a second through hole formed in the second fixed block.

As a preferable scheme of the hard alloy cutter for turning, the first through hole is attached to the outer sides of the first cutter head and the cutter body, and the second through hole is attached to the outer side of the U-shaped fixing frame.

Compared with the prior art, the utility model has the advantages that:

1. according to the utility model, through the arranged replacement assembly, the upper end and the lower end of the cutter body are respectively connected with the first cutter head and the second cutter head through the screw rod and the screw threads, when the cutter tip is worn or broken, the cutter heads can be directly replaced, so that the cost is saved to a certain extent, on the other hand, when one group of cutter heads is damaged, the other group of cutter heads are rotated for use, so that the condition that the cutter heads cannot be replaced in time, and further the production is influenced can be avoided.

2. According to the utility model, the first fixing block and the second fixing block are sleeved on the cutter head and the U-shaped fixing frame through the arranged stabilizing assembly and are completely attached to the outer side, so that after the cutter holder is used for fixing the cutter, the cutter body cannot shake, the connecting part of the cutter head and the cutter body is wrapped by the first fixing block, the connecting strength of the cutter body and the cutter head can be enhanced, and the looseness phenomenon of the cutter head in the using process can be avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following detailed description of the embodiments of the present utility model will be given with reference to the accompanying drawings, which are to be understood as merely some embodiments of the present utility model, and from which other drawings can be obtained by those skilled in the art without inventive faculty. Wherein:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a replacement assembly according to the present utility model;

FIG. 3 is an exploded view of the replacement assembly of the present utility model;

FIG. 4 is a block diagram of a stabilizing assembly according to the present utility model;

FIG. 5 is another angular schematic view of the stabilizing assembly of the present utility model.

In the figure: 11. a first cutter head; 12. a knife tip; 13. a scrap rolling groove; 14. a blade body; 21. a U-shaped fixing frame; 22. a rotating shaft; 23. a screw; 24. a threaded hole; 25. a second cutter head; 31. a first fixed block; 32. a second fixed block; 33. a first through hole; 34. and a second through hole.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

In the following detailed description of the embodiments of the present utility model, the cross-sectional view of the device structure is not partially enlarged to a general scale for the convenience of description, and the schematic is merely an example, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

The utility model provides a hard alloy cutter for turning, which comprises a cutter body and a cutter head, wherein the cutter head is provided with a cutter head and a cutter head, and the cutter head is provided with a cutter head and a cutter head which are connected with the cutter head through a connecting: through the use of mutually supporting of change subassembly and main part subassembly that sets up, set up tool bit and blade into two parts, through screw rod and threaded connection, when the knife tip wearing and tearing, can directly change the tool bit, practiced thrift the cost to a certain extent, on the other hand adds a set of tool bit at the blade other end, can be when a set of tool bit damages, rotates out another set of tool bit and uses, can avoid unable timely change tool bit, and then influence the condition emergence of production.

Example 1:

fig. 1-3 are schematic views showing the overall structure of an embodiment of a cemented carbide insert for use in turning according to the present utility model, comprising: a body assembly and a replacement assembly.

The main body component comprises a cutter body 14, a first cutter head 11, a cutter point 12 arranged at the top end of the first cutter head 11 and a scrap rolling groove 13 arranged at the side edge of the top end of the first cutter head 11;

the replacement assembly comprises two groups of identical threaded holes 24 formed on the upper side and the lower side of the cutter body 14, a screw rod 23 connected in the threaded holes 24, a second cutter head 25 connected on the lower screw rod 23, a rotating shaft 22 connected in the middle of the cutter body 14 and a U-shaped fixing frame 21 rotatably connected on the rotating shaft 22;

the first cutter head 11 and the second cutter head 25 are connected in threaded holes 24 at the upper end and the lower end of the cutter body 14 through threaded rods 23;

the second cutter head 25 is identical to the first cutter head 11 and is provided with the same cutter tip 12 and the chip winding groove 13.

Use of replacement components:

when the tool tip 12 is worn or broken, the tool body 14 can be rotated, the rotating shaft 22 rotates around the U-shaped fixing frame 21, the second tool bit 25 below the tool body 14 is rotated out and clamped in the tool rest again, the tool can be used, after the work is finished, the first tool bit 11 is rotated, the screw 23 is rotated out of the threaded hole 24, the new first tool bit 11 is replaced, so that the tool bit can be used next time, the condition that the tool bit cannot be replaced in time, and the production is influenced can be avoided, the tool body 14 and the tool bit are separated through the connection mode of the threaded hole 24 and the screw 23, and the production cost is saved to a certain extent only by replacing the tool bit.

Example 2:

this embodiment further includes a stabilizing assembly on the basis of embodiment 1, as shown in fig. 4-5:

the stabilizing assembly comprises a first fixing block 31 connected to the cutter body 14, a second fixing block 32 connected to the lower end of the first fixing block 31, a first through hole 33 formed in the first fixing block 31, a second through hole 34 formed in the second fixing block 32, wherein the first through hole 33 is attached to the outer sides of the first cutter head 11 and the cutter body 14, and the second through hole 34 is attached to the outer side of the U-shaped fixing frame 21.

Use of a stabilizing assembly:

the first cutter head 11 sequentially passes through the second through holes 34 and the first through holes 33, the second fixing block 32 is wrapped outside the U-shaped fixing frame 21, the first fixing block 31 is wrapped at the lower sections of the cutter body 14 and the first cutter head 11, the whole cutter is fixed in the cutter rest, the cutter body 14 can not shake after the cutter rest is fixed, the first fixing block 31 wraps the joint of the cutter head and the cutter body 14, the connection strength of the cutter body 14 and the cutter head can be enhanced, and the loosening phenomenon of the cutter head can not occur in the use process.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (7)

1. A cemented carbide insert for use in turning, comprising:

the main body assembly comprises a cutter body (14) and a first cutter head (11);

the replacing assembly comprises two groups of identical threaded holes (24) formed in the upper side and the lower side of the cutter body (14), a screw rod (23) connected in the threaded holes (24), a second cutter head (25) connected on the lower screw rod (23), a rotating shaft (22) connected in the middle of the cutter body (14) and a U-shaped fixing frame (21) rotatably connected on the rotating shaft (22);

and the stabilizing component is connected with the outer side of the U-shaped fixing frame (21).

2. Cemented carbide insert for use in turning according to claim 1, wherein the first insert head (11) and the second insert head (25) are connected by means of a screw (23) in threaded bores (24) in the upper and lower ends of the insert body (14).

3. A cemented carbide insert for use in turning according to claim 1, wherein the body assembly further comprises a nose (12) provided at the top end of the first insert (11), and a chip pocket (13) provided at the side edge of the top end of the first insert (11).

4. A cemented carbide insert for use in turning according to claim 3, wherein the second insert head (25) is identical to the first insert head (11) and is provided with identical nose (12) and chip pockets (13).

5. A cemented carbide insert for use in turning according to claim 1, wherein the stabilizing assembly comprises a first fixed block (31) attached to the insert body (14), and a second fixed block (32) attached to the lower end of the first fixed block (31).

6. A cemented carbide insert for use in turning according to claim 5, wherein the stabilizing assembly further comprises a first through hole (33) opening in the first fixed block (31), a second through hole (34) opening in the second fixed block (32).

7. Cemented carbide insert for use in turning according to claim 6, wherein the first through hole (33) is attached to the outside of the first insert head (11) and the insert body (14) and the second through hole (34) is attached to the outside of the U-shaped holder (21).