WO2017124602A1

WO2017124602A1 - Plain-end chamfering cutter machine

Info

Publication number: WO2017124602A1
Application number: PCT/CN2016/074417
Authority: WO
Inventors: 徐伟; 张建军; 张昊羽; 胡宜新; 吴正东; 赵东
Original assignee: 江苏双友智能装备科技股份有限公司
Priority date: 2016-01-22
Filing date: 2016-02-24
Publication date: 2017-07-27
Also published as: RU2685450C1; CN105562721A

Abstract

A plain-end chamfering cutter machine comprises a cutter disk (1) symmetrically mounted with a cutter device and a counterweight block (19). The structure of the cutter device includes: a base plate (7) fixed to the cutter disc (1), mounted with linear guide rails (20) respectively on two sides thereof and with a movable base (3) by means of the linear guide rails (20), and symmetrically provided with holes in a middle portion thereof, wherein disc springs (18) are respectively mounted in the holes, and the disc spring (18) has a guide rod (10) mounted to its middle portion, a top portion of the guide rod (10) is mounted with a guide block (9), and a preload bolt (8) is mounted on a top portion of the guide block (9). The movable base (3) is slidable along the linear guide rails (20) and provided with a T-shaped recess, and the movable base (3) is mounted with a slidable base (12) thereon by means of a fastening block (11). A beveling tool base (4) is mounted to an upper portion of the slidable base (12), and is provided with a beveling tool bit (13). An abutting wheel (15) is mounted at a lower portion of the slidable base (12) by means of a shaft (17), and is fastened tightly by means of a compression screw (16). The slidable base (12) on one side of the abutting wheel (15) is provided with a wire brush (2). Also mounted at the lower portion of the slidable base (12) is a root face tool base (5), and a root face tool bit (6) is mounted on the root face tool base (5). The cutter device performs cutting with better quality.

Description

Specification Name of Invention: A Flat Head Chamfer Cutting Device Technical Field

[0001] The present invention relates to the field of steel pipe manufacturing technology, and more particularly to a flat head chamfer cutting device.

Background technique

[0002] The beveling of the pipe end is an important process in the production line of steel pipes, and the form of the groove is also increasingly diversified. Commonly, there is a combination of a single slope and a blunt edge, a combination of a composite groove and a blunt edge, and a flat end processing of the pipe end. technical problem

[0003] In the prior art, two cutting tools are usually mounted on the machining method by using a cutter head pair, one of which is mounted on a floating ramp with a lever type floating wheel, and a fixed cutter is mounted upward. Processing blunt edges. The floating amount of the floating structure of the lever type structure is small, the positioning of the cutter and the floating rod is not accurate, and the feed is performed by the operator while observing, which is not conducive to automatic cutting. In addition, the oppositely placed groove cutter is far away from the blunt edge cutter, and the adjustment knife is inconvenient to operate. Since the blade is mounted on the arbor and the thick-walled steel pipe is machined, the shank vibration groove is prone to corrugation due to the large cutting force.

Problem solution

Technical solution

[0004] The present applicant has provided a flat-head chamfer cutting device for the disadvantages of the above-mentioned prior art production techniques, thereby improving work efficiency and improving work reliability.

[0005] The technical solution adopted by the present invention is as follows:

[0006] A flat head chamfer cutting device includes a cutter head, and the cutter disc is symmetrically mounted with a cutting device and a balance block, and the cutter device has the following structure: a bottom plate fixed on the cutter head, and two bottom plates A linear guide rail is respectively mounted on the end, and a floating seat is mounted on the bottom plate by a linear guide rail, and a middle portion of the bottom plate is symmetrically bored, and a hole-shaped spring is respectively mounted in the hole, and a guide rod is installed in the middle of the disc spring. a guide block is mounted on the top of the guide rod, and a pre-tightening screw is mounted on the top of the guide block; the floating seat slides along the linear guide rail, and the floating seat is provided with a τ-shaped groove, and the floating seat is locked by a block is mounted with a sliding seat, a grooved seat is mounted on an upper portion of the sliding seat, a grooved blade is mounted on the grooved seat, a wheel is mounted on the lower part of the sliding seat through the shaft, and is locked by a pressing screw, Mounted on the sliding seat on the side of the wheel The wire brush is also provided with a blunt edge seat on the lower part of the sliding seat, and a blunt edge blade is mounted on the blunt side knife seat.

[0007] A further technical solution thereof is:

[0008] the cutter head has a disc-shaped structure;

[0009] the bottom plate is locked on the cutter head by a fastener;

[0010] the circumferential surface of the wheel is provided with a tapered surface;

[0011] the wire brush is located on the left side of the wheel;

[0012] The grooved blade is a composite grooved blade, and the structure thereof comprises: a composite grooved blade body, the composite grooved blade body is formed into a square body structure, wherein the part has a first mounting hole, and the composite groove The first edge of the blade body is a first cutting edge, and the first cutting edge has a horizontally disposed second cutting edge through the rounded corner, and the first cutting edge and the second cutting edge are each a first concave Arc structure

[0013] The grooved blade is a single grooved blade, and the structure is: comprising a single grooved blade body, the single grooved blade body growing square body structure, wherein the second grooved hole is installed, the single grooved blade The upper and lower ends of the body are respectively provided with a third cutting edge, and the third cutting edge is formed into a second concave arc structure.

Advantageous effects of the invention

Beneficial effect

[0014] The beneficial effects of the present invention are as follows:

[0015] The invention has the advantages of compact structure, reasonable operation, convenient operation, simple manufacture and low cost. By setting the two cutting tools on the same side, the adjustment is convenient; the insert is mounted on the seat instead of the shank, and the cutting rigidity is good; the new floating seat provided has a large floating amount, the linear guide has good guiding followability, and the cutting wall thickness is good. For thick-walled steel pipes of 50.8 mm or more, the cutting quality is significantly improved.

Brief description of the drawing

DRAWINGS

1 is a front view of the present invention.

2 is a side view (full cross-sectional view) of FIG. 1.

3 is a full cross-sectional view taken along line A-A of FIG. 1.

4 is a front elevational view of the composite grooved blade body of the present invention.

5 is a full cross-sectional view taken along line B-B of FIG. 4.

[0021] FIG. 6 is a front elevational view of a single bevel blade of the present invention. 7 is a full cross-sectional view taken along line CC of FIG. 6.

[0023] wherein: 1, the cutter head; 2, the wire brush; 3, the floating seat; 4, the grooved knife seat; 5, the blunt edge knife seat; 6, the blunt edge blade; 7, the bottom plate; 8, the pre-tightening screw; 9. Guide block; 10, guide rod; 11, locking block; 12, sliding seat; 13, grooved blade; 1301, compound groove blade body; 1302, first mounting hole; 1303, first cutting edge; , the first concave arc structure; 1305, the second cutting edge; 14, the steel pipe; 15, the wheel; 1 6, the compression screw; 17, the shaft; 18, the disc spring; 19, the balance block; Guide rail; 21, single groove blade body; 22, third cutting edge; 23, second mounting hole; 24, second concave arc structure.

Embodiments of the invention

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS [0024] Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

[0025] As shown in FIG. 1, FIG. 2 and FIG. 3, the flat head chamfer cutting device of the embodiment includes a cutter head 1. The cutter head 1 is symmetrically mounted with a cutting device and a balance block 19, and the cutting device structure is: The bottom plate 7 fixed on the cutter head 1 is respectively provided with a linear guide rail 20 at both ends of the bottom plate 7, and a floating seat 3 is mounted on the bottom plate 7 through the linear guide rail 20. The bottom portion of the bottom plate 7 is also symmetrically bored, and the holes are respectively mounted in a dish shape. a spring 18, a guide spring 10 is mounted in the middle of the disc spring 18, a guide block 9 is mounted on the top of the guide rod 10, and a pre-tightening screw 8 is mounted on the top of the guide block 9; the floating seat 3 slides along the linear guide 20, on the floating seat 3 There is a T-shaped groove, a sliding seat 12 is mounted on the floating seat 3 through the locking block 11, a grooved seat 4 is mounted on the upper portion of the sliding seat 12, and a grooved blade 13 is mounted on the grooved seat 4, which is located on the sliding seat The lower part of the seat 12 is mounted on the wheel 15 via the shaft 17, and is locked by the pressing screw 16, and the wire brush 2 is mounted on the sliding seat 12 on the side of the wheel 15, and the blunt side seat 5 is also installed in the lower part of the sliding seat 12, blunt Blunt edge on side knife seat 5 6 pieces.

The cutter head 1 has a disk-shaped structure.

[0027] The bottom plate 7 is locked to the cutter head 1 by fasteners.

[0028] A tapered surface is provided on the circumferential surface of the wheel 15.

[0029] The wire brush 2 is located on the left side of the wheel 15. The function of the wire brush 2 is to remove the residual iron filings on the inner wall of the steel pipe 14, and to prevent the wheel 15 from rolling on the iron filings, causing abnormal cutting.

[0030] As shown in FIG. 4 and FIG. 5, the grooved blade 13 is a composite grooved blade, and the structure thereof comprises: a composite grooved blade body 1301, and a composite grooved blade body 1301 has a rectangular structure, wherein the grooved body has the first structure. The mounting hole 1302, the diagonal line of the compound grooved blade body 1301 is a first cutting edge 1303, and the first cutting edge 1303 is rounded. The second cutting edge 1305 is horizontally disposed, and the first cutting edge 1303 and the second cutting edge 1305 are each formed into a first concave arc structure 1304.

[0031] As shown in FIG. 6 and FIG. 7, the grooved blade 13 is a single grooved blade, and has the following structure: a single grooved blade body 21, a single grooved blade body 21, and a rectangular structure. The hole 23, the upper and lower ends of the single grooved blade body 21 are respectively provided with a third cutting edge 22, and the third cutting edge 22 is formed into a second concave circular arc structure 24.

[0032] The present invention can replace a composite bevel blade with two cutting edges into a single cutting edge insert, and replace the grooved tool holder 4 of its size to process a single ramp opening.

[0033] The present invention uses only a single bevel blade 13, replaces the bevel seat 4 of its size, and removes the blunt blade holder 5 and the blunt edge blade 6 for flat end processing.

[0034] The grooved blade 13 of the present invention is a blade that can be used for double station exchange, saving blade costs.

[0035] The floating seat 3 of the present invention is internally provided with a pre-tightening screw 8, a disc spring 18, and a guide rod 10. The pre-tightening screw 8 maintains the disc spring 18 with a certain pre-tightening force, and compresses and releases the disc spring 18 under the guidance of the guide rod 10, so that the floating seat 3 floats along the linear linear guide 20 and is mounted on the floating seat 3 The slider 12 then floats.

[0036] The sliding seat 12 of the present invention can be adjusted and displaced on the floating seat 3 to cut steel pipes of different specifications.

, the locking block 11 is locked when it is in place.

[0037] The grooved blade holder 4 of the present invention is provided with a grooved blade 13 and a blunt edge holder 5 is attached to the rear of the grooved holder 4 for blunt edge cutting. The blunt edge seat 5 can be rotated, tightened after adjustment.

[0038] The weight 19 of the present invention is balanced calculation for balancing the weight of the cutting device and is symmetrically mounted on a rectangular block at the other end of the cutter head 1.

[0039] The actual operation process is as follows: Under the action of the power, the wheel 15 enters the inner wall of the steel pipe 14 along its own taper surface, and the 吋-shaped spring 18 is compressed, and the wheel 15 is pressed against the inner wall of the steel pipe 14, passing through The bevel blade 13 cuts the groove of the steel pipe 14, and the blunt edge blade 6 cuts the blunt edge of the steel pipe 14. The operation is convenient and fast, and the work efficiency is high.

Claims

Claim

[Claim 1] A flat head chamfer cutting device, comprising: a cutter head (1), the cutter head (1)

The cutting device and the balance block (19) are symmetrically mounted, and the cutting device has the following structure: a bottom plate (7) fixed to the cutter head (1), and linear guides are respectively installed at two ends of the bottom plate (7) (20), the bottom plate (7) is mounted with a floating seat (3) through a linear guide rail (20), and the bottom plate (7) is also symmetrically bored in the middle portion, and the disc springs are respectively installed in the holes (18) a guide rod (10) is mounted in the middle of the disc spring (18), the guide rod

(10) The top mounting guide block (9) is mounted on the top of the guide block (9) with the pre-tightening screw (8); the floating seat (3) slides along the linear guide (20), the floating seat

(3) The upper jaw has a T-shaped groove, and the floating seat (3) is mounted with a sliding seat (12) through a locking block (11), and a grooved seat is mounted on the upper part of the sliding seat (12) (4) ), the grooved blade (13) is mounted on the groove holder (4), and the wheel (15) is mounted on the lower part of the sliding seat (12) through the shaft (17) and locked by the pressing screw (16). The wheel

(15) Install a wire brush (2) on the sliding seat (12) on one side, a blunt edge seat (5) on the lower part of the sliding seat (12), and a blunt edge on the blunt edge seat (5) Blade (6).

[Claim 2] A flat head chamfer cutting device according to claim 1, wherein: the cutter head

(1) A disc-shaped structure.

[Claim 3] A flat head chamfer cutting device according to claim 1, wherein: said bottom plate

(7) Lock on the cutter head (1) with the fasteners.

[Claim 4] A flat head chamfer cutting apparatus according to claim 1, wherein: said wheel

(15) A tapered surface is provided on the circumferential surface.

[Claim 5] A flat head chamfer cutting apparatus according to claim 1, wherein: the wire brush (2) is located on the left side of the wheel (15).

[Claim 6] A flat head chamfer cutting device according to claim 1, wherein: the grooved blade (13) is a composite grooved blade, and the structure is: comprising a composite grooved blade body (1301) The composite grooved blade body (1301) has a rectangular structure, wherein the first portion has a first mounting hole (1302), and the diagonal portion of the composite grooved blade body (1301) is first a cutting edge (1303), the first cutting edge (1303) has a horizontally disposed second cutting edge (1305) through a rounded corner, and the first cutting edge (1303) and the second cutting edge (1305) are both formed The first concave arc structure (1304).

[Claim 7] A flat-end chamfer cutting device according to claim 1, wherein: the grooved blade (13) is a single grooved blade, and the structure is: comprising a single grooved blade body (21) The single grooved blade body (21) has a rectangular body structure in which the second mounting hole (23) is disposed, and the upper and lower ends of the single grooved blade body (21) are respectively provided with a third cutting edge (22) The third cutting edge (22) is formed into a second concave arc structure (24).