CN216502819U

CN216502819U - Pipe thread processing blade disc

Info

Publication number: CN216502819U
Application number: CN202121057675.1U
Authority: CN
Inventors: 赵宗强; 赵忠辉
Original assignee: Hangzhou Sinabo Intelligent Electromechanical Technology Co ltd
Current assignee: Hangzhou Sinabo Intelligent Electromechanical Technology Co ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2022-05-13
Anticipated expiration: 2031-05-17

Abstract

The utility model discloses a pipe thread machining cutter disc which comprises a cutter disc body and a rotating shaft connected with the cutter disc body, wherein a plurality of moving blocks capable of moving along the radial direction of the cutter disc body are connected to the cutter disc body, cutters used for cutting threads are connected to the moving blocks, the pipe thread machining cutter disc further comprises a driving part, the driving part comprises a push rod, the push rod is located on a central axis of the cutter disc body, one end of the push rod is provided with a push block matched with the moving blocks, the push block is provided with inclined guide blocks, the moving blocks are provided with inclined guide grooves matched with the inclined guide blocks, and the inclined guide blocks are connected in the inclined guide grooves in a sliding mode. According to the utility model, the radial movement of the moving block is driven by the inclined plane sliding mechanism, the structure is simple and reliable, and the problem that the traditional gear rack driving mechanism is easily damaged by chips is effectively avoided.

Description

Pipe thread processing blade disc

Technical Field

The utility model relates to the technical field of pipe thread machining, in particular to a cutter head for machining pipe threads.

Background

The existing pipe threading machine is provided with a pipe thread processing cutter head. The existing pipe thread machining cutter disc comprises a cutter disc body, the cutter disc body is connected with a rotating shaft on a pipe thread machine, a plurality of moving blocks capable of moving along the radial direction of the cutter disc are arranged on the cutter disc body, a cutter is arranged on the moving blocks, a thread cutting edge used for cutting pipe threads is arranged on the cutter, and a driving mechanism used for driving the moving blocks to move is further arranged on the pipe thread machining cutter disc. Before the pipe thread is machined, the moving block moves to the position on the radial outer side, when one end of a pipe moves to the center of the pipe thread cutter head, the moving block moves towards the radial inner side of the cutter head body, so that a cutter on the moving block is in contact with the outer surface of the pipe, then the rotating shaft drives the pipe thread machining cutter head to rotate, and therefore the pipe thread is machined on the outer surface of the pipe.

In the existing pipe thread machining cutter head, a driving mechanism is usually a gear rack mechanism, and a moving block is driven to move radially through the gear rack mechanism. The rack and pinion structure is comparatively accurate, and the current pipe thread processing blade disc can produce a large amount of cuttings in actual machining process, and the cuttings can get into the rack and pinion mechanism easily, can wear and tear the profile of gear or rack, causes the damage to rack and pinion.

Disclosure of Invention

The utility model aims to solve the problems that in the existing pipe thread machining cutter head, a driving mechanism is generally a gear and rack mechanism, the gear and rack structure is relatively precise, a large amount of cutting scraps can be generated in the actual machining process of the pipe thread machining cutter head, the cutting scraps can easily enter the gear and rack mechanism, the tooth profile of a gear or a rack can be abraded, and the gear and the rack are damaged, and the pipe thread machining cutter head can effectively solve the problems.

The purpose of the utility model is realized by the following technical scheme: the utility model provides a pipe thread processing blade disc, including blade disc body and the pivot that links to each other with the blade disc body, be connected with the movable block that a plurality of can be along blade disc body radial movement on the blade disc body, be connected with the cutter that is used for cutting screw thread on the movable block, still include driver part, driver part includes the push rod, the push rod is located the center axis of blade disc body, the one end of push rod is provided with the top ejector pad with movable block matched with, be provided with oblique guide block on the top ejector pad, be provided with on the movable block with oblique guide block assorted oblique guide way, oblique guide block sliding connection is in oblique guide way.

In the utility model, the push rod is connected with a telescopic driving device (such as an air cylinder and an electric push rod), and the push rod moves axially under the driving of the telescopic driving device. The inclined guide block on the pushing block is connected in an inclined guide groove on the moving block in a sliding mode, so that an inclined plane sliding mechanism is formed between the pushing block and the moving block. When the push rod moves, the pushing block at one end of the push rod is driven to move, and when the pushing block moves, the moving block is driven to move radially through the inclined plane sliding mechanism. According to the utility model, the radial movement of the moving block is driven by the inclined plane sliding mechanism, the structure is simple and reliable, and the problem that the traditional gear rack driving mechanism is easily damaged by chips is effectively avoided.

Preferably, the cutter head body is provided with a guide groove for guiding the moving block, the guide groove is arranged along the radial direction of the cutter head body, and the moving block is slidably connected in the guide groove.

Preferably, the guide grooves are arranged on the cutter head body in a circular array.

Preferably, four guide grooves are provided.

Preferably, the rotating shaft is of a hollow structure, and the push rod penetrates through the rotating shaft.

Preferably, the tool is provided with thread cutting edges on both sides thereof, respectively. The both sides of cutter are provided with the screw thread cutting edge respectively, and when the screw thread cutting edge of one side took place wearing and tearing after work one section, can change the position of cutter both sides, carry out work through the screw thread cutting edge of opposite side to the life of cutter has effectively been improved.

Preferably, the cutter is provided with a through hole, the moving block is provided with a threaded hole, the cutter is fixed on the moving block through a bolt, and the bolt penetrates through the through hole in the cutter and is connected with the threaded hole in the moving block.

The utility model has the beneficial effects that: according to the utility model, the radial movement of the moving block is driven by the inclined plane sliding mechanism, the structure is simple and reliable, and the problem that the traditional gear rack driving mechanism is easily damaged by chips is effectively avoided.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a schematic structural view of the present invention with the cutter head body and the main shaft removed.

Fig. 4 is a structural schematic diagram of the cutter head body.

Fig. 5 is a schematic structural view of the driving part.

Fig. 6 is a schematic structural diagram of the moving block.

Fig. 7 is a schematic view of the structure of the cutter.

In the figure: 1. the cutter head comprises a cutter head body, 2, a rotating shaft, 3, a moving block, 4, a cutter, 5, a push rod, 6, a pushing block, 7, a guide groove, 8, an inclined guide block, 9 and an inclined guide groove.

Detailed Description

The utility model is further described by the following detailed description in conjunction with the accompanying drawings.

Example 1:

as shown in fig. 1 to 7, a cutter head for machining a pipe thread includes a cutter head body 1, a rotating shaft 2 connected to the cutter head body 1, and a driving member. The rotating shaft 2 is connected with the center of the cutter head body 1. The cutter head body 1 is disc-shaped. Four guide grooves 7 are arranged on the cutter head body 1. The guide groove 7 is provided along the radial direction of the cutter head body 1. Four guide grooves 7 are arranged on the cutter head body 1 in a circular array. A moving block 3 is slidably connected to the guide groove 7. The moving block 3 is movable in the radial direction of the cutter head body 1.

The drive means comprise a push rod 5. The push rod 5 is positioned on the central axis of the cutter head body 1. The rotating shaft 2 is a hollow structure, and the push rod 5 penetrates through the rotating shaft 2. One end of the push rod 5 is provided with four pushing blocks 6. The four pushing blocks 6 are respectively connected with the four moving blocks 3. An inclined guide block 8 is arranged on the pushing block 6, an inclined guide groove 9 matched with the inclined guide block 8 is arranged on the moving block 3, and the inclined guide block 8 is connected in the inclined guide groove 9 in a sliding mode.

The moving block 3 is connected with a cutter 4 for cutting threads, and two sides of the cutter 4 are respectively provided with a thread cutting edge. The cutter 4 is provided with a through hole, the moving block 3 is provided with a threaded hole, the cutter 4 is fixed on the moving block 3 through a bolt, and the bolt penetrates through the through hole in the cutter and is connected with the threaded hole in the moving block. The both sides of cutter are provided with the screw thread cutting edge respectively, and when the screw thread cutting edge of one side took place wearing and tearing after work one section, can change the position of cutter both sides, carry out work through the screw thread cutting edge of opposite side to the life of cutter has effectively been improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a pipe thread processing blade disc, includes blade disc body and the pivot that links to each other with the blade disc body, is connected with the movable block that a plurality of can be along the radial movement of blade disc body on the blade disc body, is connected with the cutter that is used for cutting screw thread on the movable block, its characterized in that: still include driver part, driver part includes the push rod, and the push rod is located the center axis of blade disc body, and the one end of push rod is provided with the top ejector pad with movable block matched with, is provided with oblique guide block on the top ejector pad, be provided with on the movable block with oblique guide block assorted oblique guide way, oblique guide block sliding connection is in oblique guide way.

2. The pipe threading cutter head of claim 1, wherein the cutter head body is provided with a guide groove for guiding the moving block, the guide groove is arranged along a radial direction of the cutter head body, and the moving block is slidably connected in the guide groove.

3. A pipe threading cutter head according to claim 2, wherein said guide slots are provided in a circular array on the cutter head body.

4. A pipe threading cutter head according to claim 2 wherein there are four of said guide slots.

5. The cutter head for machining a pipe thread of claim 1, wherein the rotating shaft is hollow, and the push rod passes through the rotating shaft.

6. A pipe threading cutter head according to claim 1 or 2 or 3 or 4 or 5 wherein said cutter is provided with thread cutting edges on each side.

7. The cutterhead for processing pipe threads as claimed in claim 6, wherein the cutter is provided with through holes, the moving block is provided with threaded holes, the cutter is fixed to the moving block by bolts, and the bolts pass through the through holes in the cutter and are connected with the threaded holes in the moving block.