CN210023958U

CN210023958U - Flange guide bar type boring reamer for machining shell

Info

Publication number: CN210023958U
Application number: CN201920948045.XU
Authority: CN
Inventors: 谌志能
Original assignee: Jiangxi Bell Non Ferrous Metal Processing Co Ltd
Current assignee: Jiangxi Bell Non Ferrous Metal Processing Co Ltd
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-02-07
Anticipated expiration: 2029-06-21

Abstract

The utility model discloses a flanged guide strip type boring reamer is used in casing processing, including the cutter arbor, tool bit and exposed core, the utility model provides a flanged guide strip type boring reamer is used in casing processing, under the prerequisite that does not influence the boring reamer operation, at the cutter arbor, inside cooling tube structure that has set up of tool bit and exposed core, can make the effectual realization of tool bit in the reaming process by interior and outer discharge coolant liquid and further cool down, make whole reaming in-process can realize effectively, abundant, reliable cooling and lubrication, very big improvement the smooth and easy nature of reaming operation, reduce the deformation rate of cutter by a wide margin, thereby improve the precision of spot facing work, and can avoid the reaming piece to get into inside through setting up the filter screen, simultaneously at the drive effect of coolant liquid, strengthen the discharge of reaming piece, avoid producing the jam.

Description

Flange guide bar type boring reamer for machining shell

Technical Field

The utility model relates to a boring reamer processing technology field, concretely relates to casing processing is with flanged guide strip formula boring reamer.

Background

In the industries of automobile mechanical part machining and the like, high requirements are put on the hole machining precision of the shell, and the dimensional precision is required to be below H7. The reamer cutter and the main shaft in the prior art generate a large amount of heat during cutting, so that the hardness of a cutter head is reduced, the cutting force is deformed, the precision of the hole wall of the reamer cutter cannot meet the requirements of drawings generally, the reamer cutter in the prior art cannot achieve the optimal cooling effect, the cooling technology becomes the bottleneck of cutter use, and the common technology is difficult to directly inject cooling liquid into a cutting part and cannot achieve the ideal cooling effect.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to solve the technical problem that a flanged guide bar type boring reamer is used in the processing of casing is provided to solve the problem that the common technique is difficult to directly pour into the coolant liquid into the cutting department, can not reach the cooling effect of ideal.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a flanged guide bar type boring reamer for shell machining, which comprises a cutter bar, a cutter head and a clamping end, wherein the cutter head is positioned at the first end of the cutter bar, the clamping end is positioned at the second end of the cutter bar, the radius of one end of the cutter head close to the cutter bar is larger than that of the cutter bar, the radius of the cutter head is gradually reduced from one end close to the cutter bar to one end far away from the cutter bar, a plurality of cutting edges are welded on the outer wall of the cutter head and are uniformly distributed on the outer wall of the cutter head in a spiral mode, the central axes of the cutter bar, the cutter head and the clamping end are provided with communicated cooling pipelines, one end of the cooling pipeline close to the clamping end is open type, one end of the cooling pipeline close to the cutter head is sealed type, the outer wall of the cutter head is uniformly provided with a plurality of cooling, and the outer wall of the cutter head is covered with a filter screen at the position of each cooling hole.

The utility model discloses in the preferred technical scheme, the outer wall of cutter arbor is close a pot head of tool bit is equipped with the heat reflection board, the radius of heat reflection board equals the maximum radius of tool bit.

In the preferred technical solution of the present invention, the heat reflection plate is an aluminum-zinc plated steel plate.

The utility model discloses in the preferred technical scheme, the tool bit outer wall is equipped with the alloy gib block, the lateral wall of alloy gib block with the lateral wall of cutting edge is laminated mutually.

In a preferred embodiment of the present invention, an included angle formed between the cutting edge and the cutter head is 65 ° to 80 °.

The utility model discloses in the preferred technical scheme, the exposed core includes flange joint and flange joint handle, the flange joint handle is connected with the cutter arbor through flange joint.

The utility model has the advantages that:

the utility model provides a flanged guide strip type boring reamer is used in casing processing, under the prerequisite that does not influence the boring reamer operation, at the cutter arbor, the inside cooling tube structure that has set up of tool bit and exposed core, can make the effectual realization of tool bit in the reaming in-process by interior and outer discharge coolant liquid and then cooling down, make whole reaming in-process can realize effectively, fully, reliable cooling lubrication, very big improvement the smooth and easy nature of reaming operation, reduce the deformation rate of cutter by a wide margin, thereby improve the precision of spot facing work, and can avoid the reaming piece to get into inside through setting up the filter screen, simultaneously at the impetus of coolant liquid, strengthen the discharge of reaming piece, avoid producing the jam.

Drawings

Fig. 1 is a schematic structural view of a boring reamer of the present invention;

fig. 2 is a schematic structural diagram of the cutter head of the present invention.

In the figure: 1. a cutter bar; 11. a heat reflection plate; 2. a cutter head; 21. a cutting edge; 22. a cooling hole; 23. a filter screen; 24. alloy guide strips; 3. a clamping end; 31. a flange joint; 32. a flange joint handle; 4. and (6) cooling the pipeline.

Detailed Description

The technical solution in the embodiments of the present invention will be described in detail and removed from the accompanying drawings in the embodiments of the present invention, wherein the drawings are only for illustrative purposes, and only schematic drawings are shown, not physical drawings, and the patent is not to be construed as limited thereto; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The embodiments described herein are only some embodiments, not all embodiments, of the invention. 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.

Detailed description of the examples:

as shown in fig. 1 to 2, in an embodiment, a flanged guide bar type boring reamer for machining a housing is provided, which includes a cutter bar 1, a cutter head 2 and a clamping end 3, the cutter head 2 is located at a first end of the cutter bar 1, the clamping end 3 is located at a second end of the cutter bar 1, a radius of one end, close to the cutter bar 1, of the cutter head 2 is larger than that of the cutter bar 1, the radius of the cutter head 2 is gradually reduced from one end, close to the cutter bar 1, to one end, far away from the cutter bar 1, of the cutter head 2, a plurality of cutting edges 21 are welded to an outer wall of the cutter head 2, the plurality of cutting edges 21 are uniformly distributed on the outer wall of the cutter head 2 in a spiral manner, central axes of the cutter bar 1, the cutter head 2 and the clamping end 3 are provided with a cooling pipe 4 in communication, one end, close, the outer wall of the cutter head 2 is uniformly provided with a plurality of cooling holes 22, each cooling hole 22 is communicated with the cooling pipeline 4, and the outer wall of the cutter head 2 is covered with a filter screen 23 at the position of each cooling hole 22.

In this embodiment, the outer wall of cutter arbor 1 is close one end cover of tool bit 2 is equipped with heat reflection plate 11, heat reflection plate 11's radius equals the biggest radius of tool bit 2, heat reflection plate 11 adopts the aluminized zinc steel sheet, and heat reflection plate 11 can avoid the heat that the tool bit reaming in-process produced to carry out the heat transfer with the cutter arbor, avoids the coolant liquid because of the temperature rise for the heat transfer in the cutter arbor.

In this embodiment, the outer wall of the tool bit 2 is provided with an alloy guide strip 24, the side wall of the alloy guide strip 24 is attached to the side wall of the cutting edge 21, and an included angle formed between the cutting edge 21 and the tool bit 2 is 65-80 degrees; the guide strip can effectually strengthen cutting edge 21's intensity, has better supporting role simultaneously, avoids the reaming in-process cutting edge 21 to take place to compile to one side, guarantees the quality in processing hole.

In this embodiment, the clamping end 3 includes a flange joint 31 and a flange joint handle 32, the flange joint handle 32 is connected with the cutter bar 1 through the flange joint 31, the flange joint 31 is connected with an interface through hole of a machine tool, when the machine tool starts to work, the motor drives the flange joint 31 to rotate, so as to drive the cutter head to rotate to ream a machined hole.

While the present invention has been described with reference to preferred embodiments, those skilled in the art will appreciate that various changes, modifications, substitutions and alterations can be made to the features and embodiments without departing from the principles and spirit of the invention, and still fall within the scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims

1. The processing of casing is with taking flange gib formula boring reamer, its characterized in that: comprises a cutter bar (1), a cutter head (2) and a clamping end (3), wherein the cutter head (2) is arranged at the first end of the cutter bar (1), the clamping end (3) is arranged at the second end of the cutter bar (1), the radius of one end of the cutter head (2) close to the cutter bar (1) is larger than the radius of the cutter bar (1), the radius of the cutter head (2) is gradually reduced from one end close to the cutter bar (1) to the end far away from the cutter bar (1), the outer wall of the cutter head (2) is welded with a plurality of cutting edges (21), the cutting edges (21) are uniformly distributed on the outer wall of the cutter head (2) in a spiral mode, a cooling pipeline (4) communicated with each other is arranged on the central shaft of the cutter bar (1), the cutter head (2) and the clamping end (3), the cooling pipeline (4) is close to one end of the clamping end (3, the one end that cooling tube (4) are close to tool bit (2) is sealed, a plurality of cooling holes (22) have evenly been seted up to the outer wall of tool bit (2), each cooling hole (22) with cooling tube (4) are linked together, the outer wall of tool bit (2) is located each the position of cooling hole (22) covers has filter screen (23).

2. The flanged guide bar type boring reamer for machining the shell according to claim 1, which is characterized in that: the outer wall of cutter arbor (1) is close the pot head of tool bit (2) is equipped with heat reflection board (11), the radius of heat reflection board (11) equals the biggest radius of tool bit (2).

3. The flanged guide bar type boring reamer for machining the shell according to claim 2, is characterized in that: the heat reflection plate (11) is made of an aluminum-zinc plated steel plate.

4. The flanged guide bar type boring reamer for machining the shell according to claim 1, which is characterized in that: the outer wall of the tool bit (2) is provided with an alloy guide strip (24), and the side wall of the alloy guide strip (24) is attached to the side wall of the cutting edge (21).

5. The flanged guide bar type boring reamer for machining the shell according to claim 1, which is characterized in that: the included angle formed between the cutting edge (21) and the cutter head (2) is 65-80 degrees.

6. The flanged guide bar type boring reamer for machining the shell according to claim 1, which is characterized in that: the clamping end (3) comprises a flange joint (31) and a flange joint handle (32), and the flange joint handle (32) is connected with the cutter bar (1) through the flange joint (31).