CN210359283U

CN210359283U - Tool for machining deep groove of large-sized revolving body workpiece

Info

Publication number: CN210359283U
Application number: CN201920774946.1U
Authority: CN
Inventors: 庞章; 刘大春; 王学良; 张淇朋; 陈辉安; 廖忠源
Original assignee: Chongqing Qingling Auto Machine Parts Manufacturing Co ltd; Qingling Motors Group Co Ltd
Current assignee: Chongqing Qingling Auto Machine Parts Manufacturing Co ltd; Qingling Motors Group Co Ltd
Priority date: 2019-05-27
Filing date: 2019-05-27
Publication date: 2020-04-21
Anticipated expiration: 2029-05-27

Abstract

The utility model provides a cutter that is used for processing of large-scale solid of revolution work piece deep trouth, including the tool holder, with the tool bit that the tool holder is connected with install lathe tool on the tool bit is provided with the connecting portion that are used for being connected with the revolving knife rest on the tool holder, through constant head tank and location lug location between tool bit and the tool holder to through a plurality of first bolted connection, be provided with the mounting groove on the tool bit, the lathe tool sets up in the mounting groove, and is in through second bolt side direction locking on the tool bit, just tool bit and lathe tool all with the length direction of tool holder is perpendicular. The utility model discloses, the tool holder is used for supporting the tool head and the lathe tool, and can stretch into the supporting arm in the deep groove of the work piece as the lathe tool, so that the demand of deep groove processing can be satisfied; and set up location structure between cutter head and the cutter seat, be convenient for aim at and install, the lathe tool passes through second bolt detachably and connects on the cutter head to in the processing demand according to the difference changes the lathe tool type.

Description

Tool for machining deep groove of large-sized revolving body workpiece

Technical Field

The utility model belongs to the technical field of machining, concretely relates to cutter that is used for processing of large-scale solid of revolution work piece deep trouth.

Background

A brake is a component in a braking system that generates a braking force that resists movement or a tendency of movement of a vehicle. Automobile brakes, except for various retarders, are almost all friction brakes that generate braking torque by friction between a fixed member and a working surface of a rotating member. At present, friction brakes widely used in various automobiles are classified into drum type and disc type according to the difference of rotating elements. The differences between them are: the rotary element in the drum brake friction pair is a brake drum, and the cylindrical surface of the brake drum is used as a working surface; the rotating element in the disk brake friction pair is a disk-shaped brake disk, and the end surface of the disk-shaped brake disk is used as a working surface. The automobile is enabled to run stably, the braking distance of the automobile is directly affected by the quality of a finished product of the brake disc (drum), so that the brake disc (drum) usually has higher precision requirements, but the size of the brake disc (drum) is larger, especially the size of a heavy-load automobile brake disc (drum) is larger, and the processing quality is not easy to guarantee.

At present, when a rotary body workpiece such as a brake disc (drum) is machined, the workpiece is clamped on a vertical lathe by directly using a multi-jaw chuck, and then lathing is carried out. The existing machining tool can not meet the requirements for the deep groove and the special requirement machining surface of a large-scale revolving body workpiece.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned deficiencies of the prior art, an object of the present invention is to provide a tool for deep groove machining of large-sized revolving body workpieces.

In order to achieve the above objects and other related objects, the technical solution of the present invention is as follows:

the utility model provides a cutter that is used for processing of large-scale solid of revolution work piece deep trouth, includes the cutter saddle, the cutter head of being connected with the cutter saddle and installs cutter tool on the cutter head, be provided with the connecting portion that are used for being connected with the gyration knife rest on the cutter saddle, through constant head tank and location lug location between cutter head and the cutter saddle to through a plurality of first bolted connection, be provided with the mounting groove on the cutter head, the lathe tool sets up in the mounting groove, and is in through second bolt side direction locking cutter head is last, just cutter head and lathe tool all with the length direction of cutter saddle is perpendicular.

By adopting the structure, the cutter seat is connected with the rotary cutter frame, and is used for supporting the cutter head and the turning tool and used as a supporting arm for the turning tool to extend into the deep groove of the workpiece, so that the requirement of deep groove processing can be met; and set up location structure between cutter head and the cutter seat, be convenient for aim at and install, the lathe tool passes through second bolt detachably and connects on the cutter head to in the processing demand according to the difference changes the lathe tool type.

Optionally, the connecting portion includes a second positioning groove formed in the back surface of the tool seat and a plurality of bolt holes penetrating through the tool seat in the front-rear direction.

Optionally, the tool rest is provided with a sinking platform on the back, the second positioning groove is formed in the sinking platform, and the plurality of bolt holes are located on the periphery of the second positioning groove.

Optionally, the locating groove is formed in the upper surface of the cutter head, the locating lug is arranged on the lower surface of the cutter seat, connecting holes are correspondingly formed in the lower end surface of the cutter seat and the cutter head, the first bolt is installed from the lower portion of the cutter head, and the cutter seat and the cutter head are fastened through the connecting holes.

Optionally, the upper surface of the tool head is provided with a step for lateral positioning when connected with the tool seat.

Optionally, the cutter head is including being located cutter saddle below and stretching out with cutter saddle complex butt joint portion and side direction the installation department of cutter saddle, the mounting groove is seted up along the fore-and-aft direction on the installation department.

Optionally, the mounting groove is a stepped groove, the turning tool is supported on the step of the stepped groove, and the groove below the turning tool is vacant.

Optionally, the front part and the side surface of the cutter head are provided with inclined avoiding surfaces, one side of the installation part, which is horizontally loaded by the second bolt, is provided with a notch, and the side of the notch, which corresponds to the second bolt, is inserted into the notch is a vertical surface.

Optionally, the tool for machining the deep groove of the large-scale revolving body workpiece further comprises a cutting fluid channel which is connected to the tool base and is ejected out along the direction parallel to the turning tool, the cutting fluid channel comprises a first horizontal section and a first vertical section which are arranged on the tool base, and a second vertical section and a second horizontal section which are arranged on the tool head, the upper end of the first vertical section is connected with the first horizontal section, the upper end of the second vertical section is communicated with the first vertical section, and the second horizontal section is arranged in parallel with the mounting groove and communicated with the second vertical section.

Optionally, be provided with on the cutter seat with cutter seat integrated into one piece's reinforcing platform, first horizontal segment and vertical section setting are on reinforcing platform.

The utility model has the advantages that: the utility model discloses, the tool seat is connected to the revolving tool post, the tool seat is used for supporting the tool head and the lathe tool, and can be used as a supporting arm that the lathe tool can extend into the deep groove of the workpiece, so that the deep groove processing requirement can be met; and set up location structure between cutter head and the cutter seat, be convenient for aim at and install, the lathe tool passes through second bolt detachably and connects on the cutter head to in the processing demand according to the difference changes the lathe tool type.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a top view of FIG. 1;

fig. 3 is a side view of an embodiment of the invention;

FIG. 4 is a cross-sectional view of the step A-A of FIG. 2;

fig. 5 and 6 are exploded views of embodiments of the present invention.

Part number description:

1-a tool holder; 11-a reinforcing table; 12-bolt holes; 13-positioning the bump; 14-a second positioning groove; 2-a cutter head; 21-a positioning groove; 22-step; 23-mounting grooves; 24-a connection hole; 25-vertical plane; 26-a threaded hole; 27-a second bolt; 28-notch; 29-an avoidance plane; 3, turning a tool; 41-a first horizontal segment; 42-a first vertical section; 43-a second vertical section; 44-a second horizontal segment; 5-fabrication hole.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Examples

As shown in fig. 1 to 6, a cutter for processing deep grooves of large-scale revolving body workpieces comprises a cutter base 1, a cutter head 2 and a turning tool 3, wherein the cutter base 1 is used for installing the cutter head 2 and is connected with a revolving tool rest, the cutter base 1 is provided with a connecting part used for being connected with the revolving tool rest, the cutter head 2 is installed at the lower end of the cutter base 1, the turning tool 3 is installed on the cutter head 2, in order to facilitate positioning, a positioning groove 21 and a positioning bump 13 which are matched with each other are arranged between the cutter head 2 and the cutter base 1, and the cutter head 2 is connected with the cutter base 1 through a plurality of first bolts after being positioned. Wherein, be provided with mounting groove 23 on the cutter head 2, lathe tool 3 sets up in mounting groove 23 to wear to establish a plurality of second bolts 27 side direction locking on cutter head 2 through the side direction, just cutter head 2 and lathe tool 3 all with the length direction of cutter seat 1 is perpendicular, and the length direction of cutter seat 1 is in vertical direction,

cutter head

2 and 3 horizontal settings of lathe tool promptly.

When the tool holder is used, the tool holder 1 is connected with the rotary tool rest, is used for supporting the tool head 2 and the turning tool 3, and is used as a supporting arm for the turning tool 3 to extend into a deep groove of a workpiece, so that the deep groove processing requirement can be met; and set up location structure between cutter head 2 and the cutter seat 1, be convenient for aim at and install, lathe tool 3 passes through second bolt 27 detachably and connects on cutter head 2 to change lathe tool 3 type according to the processing demand of difference.

Specifically, the connecting portion includes a second positioning groove 14 formed in the rear surface of the tool block 1 and a plurality of bolt holes 12 penetrating the tool block 1 in the front-rear direction, so that the tool block 1 is connected to the rotary tool rest by bolts. Wherein the front and back direction is the direction of the turning tool 3 as the front and the direction departing from the turning tool 3 as the back.

For the convenience of installation, the back of the tool seat 1 is provided with a sunken platform, that is, the position is lower than other positions on the back, the second positioning groove 14 is arranged on the sunken platform, and the plurality of bolt holes 12 are located on the periphery of the second positioning groove 14.

In this embodiment, the positioning groove 21 is formed in the upper surface of the cutter head 2, the positioning protrusion 13 is arranged on the lower surface of the cutter base 1, the upper surface of the cutter head 2 is provided with a step 22 for transverse positioning when being connected with the cutter base 1, and the step 22 is perpendicular to the positioning groove 21; namely, the positioning in the horizontal direction (X direction and Y direction) is realized through the positioning groove 21 and the step 22; the lower end face of the cutter seat 1 and the cutter head 2 are correspondingly provided with connecting holes 24, the connecting holes 24 vertically penetrate through the cutter head 2, first bolts are installed below the cutter head 2, the cutter seat 1 and the cutter head 2 are fastened through the connecting holes 24, and the first bolts are omitted in the attached drawings.

Wherein, cutter head 2 includes integrated into one piece's butt joint portion and installation department, and butt joint portion lies in cutter seat 1 below and cooperates with cutter seat 1, and the installation department side direction stretches out cutter seat 1, mounting groove 23 set up along the fore-and-aft direction on the installation department. The mounting groove 23 is a stepped groove, the turning tool 3 is supported on the step 22 of the stepped groove, and the groove below the turning tool 3 is vacant.

In this example, the front part and the side surface of the tool head 2 are provided with inclined avoiding surfaces 29 in a material removing manner to prevent interference with a workpiece during machining, a notch 28 is arranged on the side of the mounting part, which is horizontally arranged with the second bolt 27, the notch 28 is a vertical surface 25 corresponding to the surface, into which the second bolt 27 is inserted, and a threaded hole 26 is formed in the direction perpendicular to the vertical surface 25 so as to facilitate mounting of the second bolt 27 for clamping the turning tool 3; and the second bolt 27 is prevented from exceeding the side surface of the tool head 2, and interference with the workpiece during machining is prevented.

In this example, the cutter further comprises a cutting fluid channel, and the cutting fluid is accessed by the cutter seat 1 and is sprayed out along the direction parallel to the turning tool 3; specifically, the cutting fluid passageway is including offering first horizontal segment 41 and first vertical segment 42 on tool holder 1 and offering second vertical segment 43 and second horizontal segment 44 on tool bit 2, first vertical segment 42 upper end with first horizontal segment 41 is connected, and second vertical segment 43 upper end is just right and the intercommunication with first vertical segment 42, second horizontal segment 44 and the communication of second vertical segment 43, and second horizontal segment 44 with mounting groove 23 parallel arrangement is located one side of lathe tool 3. The inlet of the first horizontal segment 41 is disposed in the second positioning groove 14, and when the first horizontal segment is connected to the rotary tool holder, the first horizontal segment can be connected to a configured cutting fluid supply pipeline, so that the tool holder 1 can conveniently receive the cutting fluid from the rotary tool holder to cool the tool.

In order to facilitate the machining of the cutting fluid channel, a fabrication hole 5 is horizontally formed in the tool base 1, and the fabrication hole 5 is used as a stop position of the first horizontal section 41 and the first vertical section 42; whether the machining is in place or not is judged conveniently, and the cutter seat 1 is prevented from being penetrated by the machining; the fabrication hole 5 needs to be closed when in use.

Be provided with on the cutter seat 1 with cutter seat 1 integrated into one piece's reinforcing platform 11 to reinforcing cutter seat 1's intensity, first horizontal segment 41 and vertical section setting are on reinforcing platform 11.

In this example, the tool illustration is a mounted tool. If a reverse knife needs to be installed, the knife head 2 can be turned over, namely the lower surface of the knife head 2 is used as the upper surface (provided with a positioning groove) and is connected with the knife seat. When the cutter is provided with the reverse cutter, the part which can not be processed by the positive cutter can be processed.

The utility model discloses, satisfy large-scale solid of revolution work piece deep trouth and special requirement, high rigidity, cutter interface can be changed the different grade type lathe tool and can be carried out special processing, improve the finished product quality. A positioning structure is arranged between the cutter seat and the cutter head, so that the requirement of the first bolt position degree hole is met, and the cutter seat and the cutter head are reliably communicated with a cutting fluid flow channel. The tool seat is matched with the large support surface of the tool head, and the tool seat is matched with the large support surface of the rotary tool rest and is respectively fixed through corresponding bolts; the integral rigidity of the cutter is ensured.

And the cooling cutting fluid flow channel is connected with the cutting fluid interface of the rotary tool rest and provides the cooling fluid for the machining tool. The wet type machining can be carried out in the machining process, cutting heat generated in the cutting process of the cutter is taken away, the temperature of the cutter is reduced, and the service life of the cutter blade is prolonged.

Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A cutter for processing deep grooves of large-scale revolving body workpieces is characterized in that: including the tool holder, the tool bit of being connected with the tool holder with install lathe tool on the tool bit, be provided with the connecting portion that are used for being connected with the revolving tool rest on the tool holder, fix a position through constant head tank and locating convex block between tool bit and the tool holder to through a plurality of first bolted connection, be provided with the mounting groove on the tool bit, the lathe tool sets up in the mounting groove, and is in through second bolt side direction locking on the tool bit, just tool bit and lathe tool all with the length direction of tool holder is perpendicular.

2. The tool for deep groove machining of large-scale rotary body workpieces as claimed in claim 1, wherein: the connecting portion are including offering the second constant head tank at the cutter seat back and running through along the fore-and-aft direction a plurality of bolt holes of cutter seat.

3. The tool for deep groove machining of large-scale rotary body workpieces as claimed in claim 2, wherein: the cutter seat back is provided with heavy platform, the second constant head tank sets up on heavy platform, and is a plurality of the bolt hole is located the second constant head tank periphery.

4. The tool for deep groove machining of large-scale rotary body workpieces as claimed in claim 1, wherein: the locating groove is formed in the upper surface of the cutter head, the locating convex block is arranged on the lower surface of the cutter seat, connecting holes are correspondingly formed in the lower end surface of the cutter seat and the cutter head, the first bolt is installed below the cutter head, and the cutter seat and the cutter head are fastened through the connecting holes.

5. The tool for deep groove machining of large-scale rotary body workpieces as claimed in claim 1, wherein: the upper surface of the cutter head is provided with a step for transverse positioning when the cutter head is connected with the cutter seat.

6. The tool for deep groove machining of large-scale rotary body workpieces according to any one of claims 1 to 5, wherein: the cutter head stretches out including being located cutter seat below and with cutter seat complex butt joint portion and side direction the installation department of cutter seat, the mounting groove is seted up along the fore-and-aft direction on the installation department.

7. The tool for deep groove machining of large-scale rotary body workpieces according to claim 6, wherein: the mounting groove is the ladder groove, the lathe tool supports on the step in ladder groove, and the groove of lathe tool below is vacant.

8. The tool for deep groove machining of large-scale rotary body workpieces according to claim 6, wherein: the front part and the side surface of the cutter head are provided with inclined avoiding surfaces, one side of the installation part, which is horizontally loaded by the second bolt, is provided with a notch, and the notch is a vertical surface corresponding to the inserted surface of the second bolt.

9. The tool for deep groove machining of large-scale rotary body workpieces according to any one of claims 1 to 5, wherein: the cutter for machining the deep groove of the large-scale revolving body workpiece further comprises a cutting fluid channel which is connected into the cutter seat and sprays cutting fluid along the direction parallel to the turning tool, the cutting fluid channel comprises a first horizontal section and a first vertical section which are arranged on the cutter seat and a second vertical section and a second horizontal section which are arranged on the cutter head, the upper end of the first vertical section is connected with the first horizontal section, the upper end of the second vertical section is communicated with the first vertical section, and the second horizontal section is arranged in parallel with the mounting groove and communicated with the second vertical section.

10. The tool for deep groove machining of large-scale rotary body workpieces according to claim 9, wherein: be provided with on the cutter seat with cutter seat integrated into one piece's enhancement platform, first horizontal segment and vertical section setting are on the platform that strengthens.