CN216359345U

CN216359345U - Feeding length feedback mechanism of metal corrugated pipe cutting machine

Info

Publication number: CN216359345U
Application number: CN202122972066.5U
Authority: CN
Inventors: 潘欢钦
Original assignee: Zhejiang Dongwang Stainless Steel Industry Co ltd
Current assignee: Zhejiang Dongwang Stainless Steel Industry Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-04-22
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses a feeding length feedback mechanism of a metal corrugated pipe cutting machine, which comprises a workbench, wherein a transmission device and a cutting device are arranged on the workbench, the transmission device of the cutting device comprises a plurality of clamping pieces, a length feedback device is arranged between the clamping pieces, the length feedback device comprises a counting corrugated wheel, an encoder is arranged above the counting corrugated wheel, a riding wheel is arranged on one side of the counting corrugated wheel, and a gap is formed between the encoder and the riding wheel, so that the cutting precision of the device is greatly improved, the cutting process can be accurately controlled, the waste of materials is avoided, the production industry layout of a factory is optimized, the cutting efficiency can be improved by nearly one time, and the economic benefit of an enterprise is greatly improved.

Description

Feeding length feedback mechanism of metal corrugated pipe cutting machine

Technical Field

The utility model belongs to the field of metal cutting, and particularly relates to a feeding length feedback mechanism of a metal corrugated pipe cutting machine.

Background

At present, when a lathe is used for cutting a workpiece, a long steel pipe workpiece is clamped on a lathe spindle to rotate along with the spindle, a cutting knife is fed for cutting, the cutting position of the workpiece is changed in a pushing mode at the tail end of the workpiece after each cutting, a rear-end pushing mechanism comprises a sense organ supporting block and a driving motor, the driving motor is connected with the supporting block through a transmission mechanism to convert the rotating motion of the motor into the linear reciprocating motion of the supporting block, the main difficulty of the existing automatic pipe cutting machine is that a corrugated pipe is best cut at the wave bottom, if the corrugated pipe is cut at the wave peak or an inclined plane, a saw blade is easy to damage, the wave pitch of the corrugated pipe cannot be completely consistent, the corrugated pipe is cut at the wave bottom at the beginning, if deviation occurs in feeding, the saw blade is cut at the wave peak after a plurality of pipes, after the tail end of the steel pipe workpiece enters the lathe spindle, the supporting block of the pushing mechanism cannot support the steel pipe again, at least one section of the tail end of the steel pipe with the same length as the main shaft can not automatically enter a cutting position to finish cutting, and raw materials are wasted.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a feeding length feedback mechanism of a metal corrugated pipe cutting machine, which is used for solving the problems in the background technology.

The utility model provides a corrugated metal pipe cutter pay-off length feedback mechanism, includes the workstation, be equipped with transmission and cutting device on the workstation, cutting device transmission includes a plurality of clamping pieces, be equipped with length feedback device between the clamping piece, length feedback device is including the count ripple wheel, count ripple wheel top is provided with the encoder, one side of count ripple wheel is equipped with the riding wheel, be equipped with the clearance between encoder and the riding wheel.

Preferably, the surface of the counting corrugated wheel is provided with gear teeth matched with the corrugated pipe.

Preferably, the surface of the riding wheel is provided with an arc surface which is concave towards the inner circle center.

Preferably, the clamp member includes a cutting clamp member and the cutting device includes a saw blade, the saw blade being disposed between the cutting clamp member.

Preferably, the clamping piece comprises a feeding clamping piece, and the feeding clamping piece is driven by a screw rod.

Preferably, rotary bearings are arranged below the riding wheel and the counting corrugated wheel.

Preferably, the centers of the riding wheel and the counting corrugated wheel are positioned on the same straight line.

Preferably, the thickness of the riding wheel is consistent with that of the counting corrugated wheel.

Compared with the prior art, after the structure is adopted, the structure has the following advantages:

1, very big improvement the cutting precision of device for the cutting process can accurate control, has avoided the waste of material.

2, the layout of the production industry of a factory is optimized, the cutting efficiency can be improved by nearly one time, and the economic benefit of an enterprise is greatly improved.

Drawings

FIG. 1 is a schematic view of the components of the present invention.

Fig. 2 is a cross-sectional view of a feedback device of the present invention.

Fig. 3 is a top view of the feedback device of the present invention.

FIG. 4 is a schematic view of the bellows of the present invention.

Detailed Description

The utility model is further described below with reference to fig. 1-4.

With the rapid development of science and technology, people have higher and higher requirements for the precision of instruments and equipment. The pipe cutter is widely applied to various industries, is a device for cutting or processing metal pipe materials or bar materials, can manufacture parts such as bearing rings and the like on a cut pipe section, and has the characteristics of high efficiency, specificity and the like.

Most of the existing clamping devices have insufficient application range for pipes with different sizes, and in addition, for some workshops, the automatic pipe cutting machine does not need to cut in large batch, a simple clamping device can be selected, even the automatic pipe cutting machine is directly held by hands to directly operate, danger is easily caused, most importantly, the main difficulty of the existing automatic pipe cutting machine is that the corrugated pipe is best cut at the wave bottom, if the corrugated pipe is cut at the wave crest or the inclined plane, the saw blade 4 is easy to damage, the wave pitch of the corrugated pipe cannot be completely consistent, the steel pipe is cut at the bottom of a wave at the beginning, but the deviation is only needed to be a little for each feeding, the saw blade 4 cuts the wave crest after a plurality of pipes are fed, the tail end of a steel pipe workpiece enters the main shaft of a lathe, because the supporting block of the pushing mechanism can not support the steel tube, at least one section of the tail end of the steel tube with the same length as the main shaft can not automatically enter the cutting position to complete cutting, and raw materials are wasted.

Therefore, the utility model provides a feeding length feedback mechanism of a metal corrugated pipe cutting machine, which comprises a workbench 1, wherein a transmission device and a cutting device are arranged on the workbench 1, the transmission device of the cutting device comprises a plurality of clamping pieces 2, a length feedback device 3 is arranged between the clamping pieces 2, the length feedback device 3 comprises a counting corrugated wheel 32, an encoder 31 is arranged above the counting corrugated wheel 32, a riding wheel 33 is arranged on one side of the counting corrugated wheel 32, and a gap is arranged between the encoder 31 and the riding wheel 33.

All the working parts of the utility model are arranged on the worktable 1, the worktable 1 is clean and dustless, the cutting device has higher requirement on the environment, otherwise, the cutting precision is greatly influenced.

Furthermore, the worktable 1 is provided with a transmission device and a cutting device, the transmission device comprises a servo motor and a screw rod 5, the servo motor can control the speed and position precision very accurately, can convert a voltage signal into torque and a rotating speed to drive a control object, the rotating speed of a rotor of the servo motor is controlled by an input signal and can react quickly, the servo motor is used as an execution element in an automatic control system and has the characteristics of small electromechanical time constant, high linearity, starting voltage and the like, and the received electric signal can be converted into angular displacement or angular speed on a motor shaft to be output.

The basic structure of the utility model is shown in figure three, which is a top view of the utility model, a corrugated pipe to be cut is arranged on a workbench 1, the corrugated pipe is clamped by a feeding clamping piece 2, a conveying track is arranged below the corrugated pipe for conveying the corrugated pipe, and when the corrugated pipe reaches a specified position, the feeding clamping piece 2 fixes the corrugated pipe and keeps a correct posture to be cut.

Further, be located the front end of bellows cutting clamping piece 2, the secondary when cutting clamping piece 2 is used for the bellows cutting is fixed, because saw bit 4 can produce violent shake during the cutting, can produce great influence to the accurate cutting of bellows, consequently need set up cutting clamping piece 2 and carry out the secondary and fix.

Further, as shown in fig. two, the encoder 31, the counting corrugated wheel 32, and the supporting wheel 33 are in the illustrated relationship, the surface of the counting corrugated wheel 32 is provided with gear teeth for matching with the corrugated pipe, the surface of the supporting wheel 33 is provided with an arc surface 331 recessed towards the inner circle center, all of the above structures can better adapt to the external structure of the corrugated pipe, the corrugated pipe is clamped at the bag cutting position, a gap is provided between the encoder 31 and the supporting wheel 33, and the corrugated pipe is inserted into the gap.

Furthermore, the rotating bearings 6 are arranged below the riding wheel 33 and the counting corrugated wheel 32, the bearings have better rotating performance, the circle centers of the riding wheel 33 and the counting corrugated wheel 32 are located on the same straight line, and the thickness of the riding wheel 33 is consistent with that of the counting corrugated wheel 32.

The working principle of the utility model is as follows: the operation process is as follows:

1. the feeding clamping piece 2 clamps the corrugated pipe, and the cutting clamping piece 2 loosens the corrugated pipe; 2, the servo motor drives the screw rod 5 to feed the corrugated pipe forwards, 3, the encoder 31 of the feeding length feedback piece feeds back in real time, the servo motor stops until the set wave number, 4, the cutting and clamping piece 2 clamps the corrugated pipe, and the saw blade 4 cuts; 5 the feeding clamping piece 2 is loosened, the feeding clamping piece 2 retreats to the initial position, the corrugated pipes are connected end to end in sequence, cutting is started from the tail end of the first corrugated pipe, after the cutting is completed, the second corrugated pipe penetrates from the rear end of the workbench 1 by the feeding device to enter the conveying process, the second corrugated pipe can be clamped when the cutting clamping piece 2 restores to the original position, the first corrugated pipe can be pushed once when the second corrugated pipe moves forwards, the second corrugated pipe enters the chuck on the spindle to start cutting, the circulation is carried out, the corrugated pipes are conveyed by two chuck mechanisms, the situation that the second corrugated pipe can be automatically fed forwards and cannot retreat before the second corrugated pipe does not enter the spindle chuck can be guaranteed, the first corrugated pipe can be pushed forwards to be cut till the tail end of the corrugated pipe is reached, and materials cannot be wasted.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a corrugated metal pipe cutter pay-off length feedback mechanism, includes workstation (1), be equipped with transmission and cutting device on workstation (1), its characterized in that, cutting device and transmission all include a plurality of clamping piece (2), be equipped with length feedback device (3) between clamping piece (2), length feedback device (3) are including count corrugated wheel (32), count corrugated wheel (32) top is provided with encoder (31), one side of count corrugated wheel (32) is equipped with riding wheel (33), be equipped with the clearance between encoder (31) and riding wheel (33).

2. A feed length feedback mechanism for a metal bellows pipe cutter as claimed in claim 1, wherein the surface of the counting bellows wheel (32) is provided with teeth (311) for engaging the bellows.

3. The feed length feedback mechanism of the metal bellows pipe cutter as claimed in claim 1, wherein the surface of the supporting roller (33) is provided with a circular arc surface (331) which is concave towards the center of a circle.

4. A feed length feedback mechanism for a metal bellows tube cutter as claimed in claim 1, wherein said clamp member (2) comprises a cutting clamp member (21), the cutting means comprises a saw blade (4), and said saw blade (4) is disposed between the cutting clamp member (21).

5. A feed length feedback mechanism for a metal bellows tube cutter as claimed in claim 1, wherein said clamping member (2) comprises a feed clamping member (22), said feed clamping member (22) being driven by a lead screw (5).

6. A feed length feedback mechanism for a metal bellows pipe cutter as claimed in claim 1, wherein a rotary bearing (6) is provided below each of the riding wheel (33) and the counting bellows wheel (32).

7. The feed length feedback mechanism of a metal bellows pipe cutter as claimed in claim 1, wherein the centers of the riding wheel (33) and the counting bellows wheel (32) are located on the same straight line.

8. A feed length feedback mechanism for a metal bellows tube cutter as claimed in claim 1, wherein the thickness of the idler (33) is the same as the thickness of the counter corrugated wheel (32).