CN218983416U

CN218983416U - PCD reamer for deep hole machining

Info

Publication number: CN218983416U
Application number: CN202223412614.XU
Authority: CN
Inventors: 陈军祥; 朱正丹; 陈杨
Original assignee: Ruike Weifeng Taizhou Intelligent Technology Co ltd
Current assignee: Ruike Weifeng Taizhou Intelligent Technology Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-05-09
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a PCD reamer for deep hole machining, which comprises the following components: reamer main part, reaming knife tackle and locking subassembly, reaming knife tackle slip cup joint in the surface of reamer main part, and the bottom of reamer main part is equipped with the reamer cutter head, and the surface of reamer cutter head is equipped with a plurality of locking pinholes that are close to the reamer cutter head bottom, and the reaming knife tackle includes guide disc seat and milling cone head, and the bottom surface of guide disc seat is equipped with a plurality of fixed lugs, mills the cone head and rotates to install in the surface of fixed lug, and the quantity of locking subassembly is a plurality of and be circumferencial direction evenly distributed. According to the utility model, through arranging the reaming cutter set structure, the reaming cutter set is sleeved on the surface of the reamer milling head to synchronously rotate along with the reamer main body to perform pre-reaming operation on a hole to be machined, and under the rotation of the reaming cutter set, the guide disc seat is in contact milling with the hole end surface, so that the hole end surface is provided with a plurality of concentric annular ribs, the reaming operation is performed on the hole end surface, and the reamer main body is positioned through the concentric annular ribs, so that the reamer main body is prevented from slipping on the hole end surface.

Description

PCD reamer for deep hole machining

Technical Field

The utility model relates to the technical field of PCD reamer, in particular to a PCD reamer for deep hole machining.

Background

In machining, hole machining is a common machining process, and the machining mode mainly comprises the following steps: drilling, milling, reaming, turning, boring and the like. When the hole to be machined is a deep hole and the hole diameter requirement is high, the existing mode generally adopts a plurality of cutters to finish the machining of the deep hole, namely, the drill bit is used for pre-expanding the hole, then the common milling cutter is used for reaming, and the cutter-yielding operation exists in the machining process, so that the manufacturing cost is increased and the efficiency is lower.

The existing PCD reamer cannot conduct reaming processing on the surface of a workpiece, so that the reamer cannot accurately enter a drilled hole to work, the hole still cannot meet the size requirement, the reamer is required to be used for marking the deep hole position through pre-reaming operation on the surface of the workpiece, the reamer is prevented from being guided in a deep space end face slipping and slipping processing area, and due to the fact that a plurality of cutters exist for processing, the operation efficiency is low, and the work is complex. In view of the above, the present utility model has been made in view of the above problems, and it is an object of the present utility model to provide a deep hole machining PCD reamer, which solves the problems and improves the practical value.

Disclosure of Invention

The present utility model aims to solve one of the technical problems existing in the prior art or related technologies.

The technical scheme adopted by the utility model is as follows: a deep hole machining PCD reamer comprising: reamer main part, reaming knife tackle and locking subassembly, reaming knife tackle slides and cup joints in the surface of reamer main part, the bottom of reamer main part is equipped with the reamer cutter head, the surface of reamer cutter head is equipped with a plurality of locking pinholes that are close to the reamer cutter head bottom, reaming knife tackle includes guide disc seat and milling cone head, the bottom surface of guide disc seat is equipped with a plurality of fixed lugs, milling cone head rotates and installs in the surface of fixed lug, locking subassembly's quantity is a plurality of and is circumferencial direction evenly distributed in the surface of guide disc seat, the reamer trepanning with reamer cutter head shape size looks adaptation has been seted up on the surface of guide disc seat, the surface of milling cone head is equipped with a plurality of PCD cutter heads.

The present utility model may be further configured in a preferred example to: the reamer main body and the reamer milling head are of an integrated structure, one end of the locking assembly is elastically abutted to the surface of the reamer main body, and the locking assembly is arranged in the direction perpendicular to the surface of the reamer set.

The present utility model may be further configured in a preferred example to: the locking assembly comprises a pin sleeve hole, a moving pin rod and a spring, wherein the spring is movably sleeved on the surface of the moving pin rod, the surface of the moving pin rod is provided with a cancellation, and two ends of the spring are respectively abutted against one side of an inner cavity of the pin sleeve hole and the cancellation surface.

The present utility model may be further configured in a preferred example to: the locking pin holes and the locking components are the same in number and in one-to-one correspondence, and the diameter of the moving pin rod is matched with the locking pin holes.

The present utility model may be further configured in a preferred example to: the fixed lugs and the milling cone head are obliquely arranged, and the bottom surface of the milling cone head is horizontally arranged.

The present utility model may be further configured in a preferred example to: the milling cone heads are of conical structures, a plurality of PCD milling heads are uniformly distributed on the surfaces of the milling cone heads in the circumferential annular direction, and the PCD milling heads are polycrystalline diamond material members.

The present utility model may be further configured in a preferred example to: and the surfaces of the milling cone head and the fixed lugs are provided with rotation damping.

The beneficial effects obtained by the utility model are as follows:

1. according to the utility model, through arranging the reaming cutter set structure, the reaming cutter set is sleeved on the surface of the reamer milling head to synchronously rotate along with the reamer main body to perform pre-reaming operation on a hole to be machined, and under the rotation of the reaming cutter set, the guide disc seat is in contact milling with the hole end surface, so that the hole end surface is provided with a plurality of concentric annular ribs, the reaming operation is performed on the hole end surface, and the reamer main body is positioned through the concentric annular ribs, so that the reamer main body is prevented from slipping on the hole end surface.

2. According to the reamer, the reamer set structure is formed by sliding and sleeving, the position of the reamer set is changed by sliding and sleeving the guide disc seat on the surface of the reamer main body, the reamer set can be kept on the surface of the reamer main body in reamer main body processing, and the reamer set is locked on the surface of the reamer main body to synchronously move by the locking assembly in reamer processing, so that reaming marking and deep hole processing are realized by using a single reamer.

Drawings

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

FIG. 2 is a schematic view of a reamer set according to an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of a reamer set according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a milling bit according to an embodiment of the present utility model;

fig. 5 is a schematic view of a reamer head according to an embodiment of the present utility model.

Reference numerals:

100. a reamer body; 110. a reamer milling head; 120. a locking pin hole;

200. a reaming cutter set; 210. a guide disc seat; 220. milling the cone head; 211. reamer sleeve holes; 212. a fixed ear; 221. PCD milling head;

300. a locking assembly; 310. a pin sleeve hole; 320. a motion pin; 330. and (3) a spring.

Detailed Description

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

A deep hole machining PCD reamer provided in accordance with some embodiments of the present utility model is described below with reference to the accompanying drawings.

1-5, the deep hole machining PCD reamer provided by the utility model comprises: reamer main part 100, reaming knife tackle 200 and locking subassembly 300, reaming knife tackle 200 sliding sleeve connects in the surface of reamer main part 100, the bottom of reamer main part 100 is equipped with reamer cutter head 110, reamer cutter head 110's surface is equipped with a plurality of locking pinhole 120 that are close to reamer cutter head 110 bottom, reaming knife tackle 200 includes guide disc seat 210 and milling cone head 220, guide disc seat 210's bottom surface is equipped with a plurality of fixed lugs 212, milling cone head 220 rotates and installs in the surface of fixed lugs 212, locking subassembly 300's quantity is a plurality of and be circumferencial direction evenly distributed in guide disc seat 210's surface, the reamer sleeve hole 211 with reamer cutter head 110 shape size looks adaptation is seted up on guide disc seat 210's surface, milling cone head 220's surface is equipped with a plurality of PCD cutter heads 221.

In this embodiment, the reamer body 100 and the reamer milling head 110 are integrally formed, one end of the locking assembly 300 elastically abuts against the surface of the reamer body 100, and the locking assembly 300 is arranged in a direction perpendicular to the surface of the reamer set 200.

Specifically, the reamer set 200 can be kept on the surface of the reamer body 100 during the processing of the reamer body 100 by changing the position of the reamer set 200 by sliding the guide disc 210 on the surface of the reamer body 100, and the reamer set 200 is locked on the surface of the reamer body 100 by the locking assembly 300 to synchronously move during the reaming processing, so that the reaming mark and deep hole processing are realized by using a single reamer.

In this embodiment, the locking assembly 300 includes a pin sleeve hole 310, a moving pin 320 and a spring 330, the spring 330 is movably sleeved on the surface of the moving pin 320, the surface of the moving pin 320 is provided with a cancellation pin, and two ends of the spring 330 are respectively abutted against one side of the inner cavity of the pin sleeve hole 310 and the cancellation surface.

In this embodiment, the number of locking pin holes 120 and locking assemblies 300 is the same and corresponds one to one, and the diameter of the kinematic pin 320 is sized to fit the locking pin holes 120.

Specifically, when one end of the moving pin 320 is pushed out by the spring 330 to abut against the surface of the reamer body 100, the reamer set 200 is kept on the surface of the reamer body 100, and when the reamer set 200 works, the position of the reamer set 200 is locked by the moving pin 320 and the locking pin hole 120.

In this embodiment, the fixing lugs 212 and the milling bit 220 are disposed obliquely, and the bottom surface of the milling bit 220 is disposed horizontally.

Specifically, the bottom surface of the milling bit 220 is in parallel contact with the workpiece surface, so that several concentric rings are milled on the end surface of the deep hole.

In this embodiment, the milling cone 220 has a conical structure, and the PCD milling heads 221 are uniformly distributed on the surface of the milling cone 220 in a circumferential annular direction, and the PCD milling heads 221 are polycrystalline diamond material members.

Specifically, milling of the end face of the deep hole is performed using the high india PCD cutter head 221, such that the end face is in a number of concentric ring structures for the operative positioning and guiding of the reamer cutter head 110.

In this embodiment, the surfaces of the milling bit 220 and the fixed lug 212 are provided with rotation damping, and the rotation of the milling bit 220 in the fixed lug 212 is utilized to replace different PCD milling heads 221 when the surface of the milling bit 220 contacts the surface of the workpiece during the rotation of the milling bit 220, so that the single PCD milling head 221 is prevented from being rapidly worn, meanwhile, friction is generated between the PCD milling head 221 and the surface of the workpiece through the rotation damping of the milling bit 220, milling is performed on the surface of the workpiece, and a plurality of concentric annular rings are depicted to guide the operation of the reamer milling head 110.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. A deep hole machining PCD reamer, comprising: reamer main part (100), reaming knife tackle (200) and locking subassembly (300), reaming knife tackle (200) slip cup joint in the surface of reamer main part (100), the bottom of reamer main part (100) is equipped with reamer cutter head (110), the surface of reamer cutter head (110) is equipped with a plurality of locking pinhole (120) that are close to reamer cutter head (110) bottom, reaming knife tackle (200) are including guide disc seat (210) and milling cone head (220), the bottom surface of guide disc seat (210) is equipped with a plurality of fixed lugs (212), milling cone head (220) rotate and install in the surface of fixed lug (212), the quantity of locking subassembly (300) is a plurality of and be circumferencial direction evenly distributed in the surface of guide disc seat (210), reamer sleeve hole (211) with reamer cutter head (110) shape size looks adaptation are seted up on the surface of guide disc seat (210), the surface of milling cone head (220) is equipped with a plurality of PCD (221).

2. The deep hole machining PCD reamer of claim 1, wherein the reamer body (100) and the reamer milling head (110) are of an integrally formed structure, one end of the locking assembly (300) is elastically abutted against the surface of the reamer body (100), and the locking assembly (300) is arranged in a direction perpendicular to the surface of the reamer set (200).

3. The deep hole machining PCD reamer of claim 1, wherein the locking assembly (300) comprises a pin sleeve hole (310), a moving pin rod (320) and a spring (330), the spring (330) is movably sleeved on the surface of the moving pin rod (320), the surface of the moving pin rod (320) is provided with offset, and two ends of the spring (330) are respectively abutted against one side of an inner cavity of the pin sleeve hole (310) and the offset surface.

4. A deep hole machining PCD reamer as claimed in claim 3, wherein the number of locking pin holes (120) and locking assemblies (300) is the same and corresponds one to one, and the diameter of the moving pin (320) is adapted to the locking pin holes (120).

5. The deep hole machining PCD reamer of claim 1, wherein the fixed ears (212) and the milling bit (220) are arranged obliquely, and the bottom surface of the milling bit (220) is arranged horizontally.

6. The deep hole machining PCD reamer of claim 1, wherein the milling cutter head (220) is of a conical structure, the PCD cutter heads (221) are uniformly distributed on the surface of the milling cutter head (220) in a circumferential annular direction, and the PCD cutter heads (221) are polycrystalline diamond material members.

7. The deep hole machining PCD reamer of claim 1, wherein the milling bit (220) and the surface of the fixed ear (212) are provided with rotational damping.