CN215391888U

CN215391888U - Spinning cutter

Info

Publication number: CN215391888U
Application number: CN202023058090.XU
Authority: CN
Inventors: 邝忠胜
Original assignee: Kaiping Lipu Sanitary Co ltd
Current assignee: Kaiping Lipu Sanitary Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2022-01-04
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses a spinning cutter, which comprises a cutter holder, a plurality of cutter heads and a swing rod, wherein the lower end of the swing rod is in swing fit with the cutter holder, the lower end of the swing rod is distributed along the outer circumference of the cutter holder, the upper end of the swing rod is a free end, and the cutter heads are arranged at the upper end of the swing rod; the axis of the swing rod and the upper surface of the tool apron form an acute angle, and the middle of the upper surface of the tool apron is provided with a pull rod for limiting the upper end of the swing rod.

Description

Spinning cutter

Technical Field

The utility model relates to the technical field of spinning forming, in particular to a spinning cutter.

Background

Spinning is a special forming method. The spinning method can be used for finishing the processes of deep drawing, flanging, necking, bulging, curling and the like of the rotating bodies with various shapes. And spinning the surface of the pipe fitting by using a spinning cutter. According to the prior art, the spinning cutter has poor processing effect.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the defects of the prior art are overcome, and the spinning cutter with a good machining effect is provided.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

a spinning cutter comprises a cutter holder, a plurality of cutter heads and a swing rod, wherein the lower end of the swing rod is in swing fit with the cutter holder, the lower end of the swing rod is distributed along the outer circumference of the cutter holder, the upper end of the swing rod is a free end, and the cutter heads are arranged at the upper end of the swing rod; the axis of the swing rod and the upper surface of the tool apron form an acute angle, and a pull rod for limiting the upper end of the swing rod is arranged in the middle of the upper surface of the tool apron.

After adopting the structure, compared with the prior art, the utility model has the following advantages: establish tool bit and pendulum rod, the tool bit is established on the pendulum rod, and the blade holder is rotatory in the processing, drives the pendulum rod and rotates, and tool bit and pipe fitting upper surface contact carry out spinning processing to the pipe fitting upper surface, and the pendulum rod carries out angle of adjustment in real time to the degree of pipe fitting processing, carries out spinning to the pipe fitting upper surface better, and the pull rod carries on spacingly to the pendulum rod when the processing is effectual, makes the wobbling angle of pendulum rod at certain extent, and the reliability is high.

Preferably, the tool rest further comprises a tool bar, wherein the tool bar is arranged on the bottom surface of the tool rest and is generally fixed on the turntable, and the tool bar is driven to rotate by the rotation of the turntable, so that the tool rest is driven to rotate.

Preferably, the tool bit is rotationally matched on the oscillating bar, and the tool bit rotates when doing circular motion along the surface of the pipe fitting, so that the spinning effect is good.

Preferably, the cutter head is internally provided with a bearing, and the cutter head is rotationally matched on the swing rod through the bearing, so that the structure is simple.

Preferably, an open slot is formed in the outer side face of the upper end of the cutter holder, a pin is arranged in the open slot, and the lower end of the swing rod is in running fit with the pin, so that the structure is simple, and the reliability is high.

Preferably, the upper end of the pull rod is sleeved with a limiting cover, the pull rod is provided with a limiting sleeve in a sliding fit mode, the limiting cover is located above the limiting sleeve, a first annular bulge is arranged on the outer circumference of the upper end of the limiting sleeve, and the upper end of the swing rod is movably arranged between the limiting cover and the first annular bulge, so that the upper end of the swing rod swings between the limiting cover and the first annular bulge, and the spinning quality is ensured.

Preferably, the tool rest further comprises a pressure relief spring, the pressure relief spring is sleeved at the lower end of the pull rod and located below the limiting sleeve, the pressure relief spring is arranged on the tool apron, the swing rod can push the limiting sleeve to be in sliding fit on the pull rod in the machining process, and the limiting sleeve compresses the pressure relief spring so that the pressure relief spring relieves the pressure of the limiting sleeve.

Preferably, the outer circumference of the lower end of the limiting sleeve is provided with a second annular bulge, the pressure relief spring abuts against the bottom surface of the second annular bulge, and the reliability is high.

Preferably, the number of the tool bits is two, the tool bits are symmetrical about the center of the tool apron, the cost is low, and the spinning processing effect is good.

Drawings

FIG. 1 is an exploded view of the spinning tool of the present invention;

FIG. 2 is a front view of the spinning tool of the present invention;

FIG. 3 is a top view of the spinning tool of the present invention;

fig. 4 is a perspective view of the spinning tool of the present invention.

The tool comprises a tool apron 1, a tool apron 2, a tool bit 3, a swing rod 4, a pull rod 5, a tool bar 6, an open slot 7, a pin 8, a limiting cover 9, a limiting sleeve 10, a first annular bulge 11, a pressure relief spring 12 and a second annular bulge.

Detailed Description

The utility model is further described with reference to the following figures and detailed description.

As shown in fig. 1, the utility model provides a spinning cutter, which comprises a cutter holder 1, a plurality of cutter heads 2 and swing rods 3, wherein the lower ends of the swing rods 3 are in swing fit with the cutter holder 1, the lower ends of the swing rods 3 are distributed along the outer circumference of the cutter holder 1, the upper ends of the swing rods 3 are free ends, and the cutter heads 2 are arranged at the upper ends of the swing rods 3; the pipe fitting spinning machine has the advantages that the tool bit 2 and the swing rod 3 are arranged, the tool bit 2 is arranged on the swing rod 3, the tool bit 1 rotates to drive the swing rod 3 to rotate during machining, the tool bit 2 is in contact with the upper surface of a pipe fitting to spin the upper surface of the pipe fitting, the swing rod 3 adjusts the angle in real time according to the machining degree of the pipe fitting, the upper surface of the pipe fitting is spun better, the machining effect is good, meanwhile, the swing rod 3 is limited by the pull rod 4, the swinging angle of the swing rod 3 is within a certain range, and the reliability is high. Specifically, the axis of the swing rod 3 is intersected with the axis of the tool apron 1, and the swing rod 3 swings up and down.

As shown in fig. 4, it further includes a knife bar 5, the knife bar 5 is disposed on the bottom surface of the knife holder 1, the knife bar 5 is generally fixed on the turntable, and the turntable rotates to drive the knife bar 5 to rotate, thereby driving the knife holder 1 to rotate.

The tool bit 2 is rotationally matched on the swing rod 3, the tool bit 2 rotates along the surface of the pipe fitting in a circular motion, and the spinning effect is good.

The tool bit 2 is internally provided with a bearing, and the tool bit 2 is rotationally matched on the swing rod 3 through the bearing, so that the structure is simple.

As shown in fig. 1, an open slot 6 is formed in the outer side surface of the upper end of the cutter holder 1, a pin 7 is arranged in the open slot 6, and the lower end of the swing rod 3 is in running fit with the pin 7, so that the structure is simple, and the reliability is high.

As shown in fig. 4, the upper end cover of the pull rod 4 is provided with a limit cover 8, the pull rod 4 is provided with a limit sleeve 9 in a sliding fit manner, the limit cover 8 is positioned above the limit sleeve 9, a first annular bulge 10 is arranged on the outer circumference of the upper end of the limit sleeve 9, and the upper end of the swing rod 3 is movable between the limit cover 8 and the first annular bulge 10, so that the upper end of the swing rod 3 swings between the limit cover 8 and the first annular bulge 10, thereby ensuring the quality of spinning processing.

It still includes pressure release spring 11, pressure release spring 11 cover be located stop collar 9 below at 4 lower extremes of pull rod and pressure release spring 11, pressure release spring 11 establish on blade holder 1, at the in-process of processing, pendulum rod 3 can promote stop collar 9 sliding fit on pull rod 4, stop collar 9 compresses pressure release spring 11 for pressure release spring 11 carries out the pressure release to stop collar 9.

The outer circumference of the lower end of the limiting sleeve 9 is provided with a second annular bulge 12, the pressure relief spring 11 abuts against the bottom surface of the second annular bulge 12, the reliability is high, and specifically, the outer ring diameter of the second annular bulge 12 is larger than that of the first annular bulge 10.

As shown in fig. 2 and 3, the number of the tool bits 2 is two, and the tool bits 2 are symmetrical with respect to the center of the tool holder 1, so that the cost is low and the spinning effect is good.

Specifically, the principle of the utility model is that a tool bit 2 and a swing rod 3 are arranged, the tool bit 2 is arranged on the swing rod 3, the tool apron 1 rotates to drive the swing rod 3 to rotate during machining, the tool bit 2 is in contact with the upper surface of a pipe fitting to spin the upper surface of the pipe fitting, the swing rod 3 adjusts the angle in real time according to the machining degree of the pipe fitting, the upper surface of the pipe fitting is spun better, the machining effect is good, meanwhile, the pull rod 4 limits the swing rod 3, the swing angle of the swing rod 3 is enabled to be within a certain range, and the reliability is high.

The action process is as follows: firstly, fixing a cutter bar 5 on a turntable, and clamping a pipe fitting on equipment; rotating the turntable, wherein the turntable drives the tool apron 1 to rotate, the turntable feeds at the same time, and the upper end of the swing rod 3 abuts against the lower surface of the limiting cover 8 due to centrifugal force; thirdly, the tool bit 2 performs spinning on the surface of the pipe fitting, and the tool bit 2 rotates automatically; and fourthly, the turntable continues to feed, the upper end of the swing rod 3 swings towards the upper surface of the first annular bulge 10, and the tool bit 2 performs spinning on the surface of the pipe fitting.

On the basis of the above-described aspects, if various changes or modifications to the present invention are made without departing from the spirit and scope of the present invention, it is intended that the present invention also include these changes and modifications if they fall within the scope of the claims and the equivalent technical scope of the present invention.

Claims

1. A spinning cutter, includes blade holder (1), its characterized in that: the tool is characterized by further comprising a plurality of tool bits (2) and swing rods (3), wherein the lower ends of the swing rods (3) are in swing fit with the tool apron (1), the lower ends of the swing rods (3) are distributed along the outer circumference of the tool apron (1), the upper ends of the swing rods (3) are free ends, and the tool bits (2) are arranged at the upper ends of the swing rods (3); the axis of the swing rod (3) and the upper surface of the tool apron (1) form an acute angle, and a pull rod (4) for limiting the upper end of the swing rod (3) is arranged in the middle of the upper surface of the tool apron (1).

2. The spinning tool of claim 1, wherein: the tool rest further comprises a tool bar (5), and the tool bar (5) is arranged on the bottom surface of the tool rest (1).

3. The spinning tool of claim 1, wherein: the tool bit (2) is rotationally matched on the swing rod (3).

4. The spinning tool of claim 3, wherein: the tool bit (2) is internally provided with a bearing, and the tool bit (2) is rotatably matched on the swing rod (3) through the bearing.

5. The spinning tool of claim 1, wherein: the outer side surface of the upper end of the cutter holder (1) is provided with an open slot (6), a pin (7) is arranged in the open slot (6), and the lower end of the swing rod (3) is in running fit with the pin (7).

6. The spinning tool of claim 1, wherein: pull rod (4) upper end cover be equipped with spacing lid (8), pull rod (4) go up sliding fit and have stop collar (9), stop collar (8) be located stop collar (9) top, the outer circumference of stop collar (9) upper end be equipped with first annular arch (10), pendulum rod (3) upper end activity between stop collar (8) and first annular arch (10).

7. The spinning tool of claim 6, wherein: it still includes pressure release spring (11), pressure release spring (11) cover in pull rod (4) lower extreme and pressure release spring (11) be located stop collar (9) below, pressure release spring (11) establish on blade holder (1).

8. The spinning tool of claim 7, wherein: and a second annular bulge (12) is arranged on the outer circumference of the lower end of the limiting sleeve (9), and the pressure relief spring (11) abuts against the bottom surface of the second annular bulge (12).

9. The spinning tool of claim 1, wherein: the number of the tool bits (2) is two, and the tool bits (2) are centrosymmetric relative to the tool apron (1).