CN113926935A

CN113926935A - Pipe cutting device and system

Info

Publication number: CN113926935A
Application number: CN202111017896.0A
Authority: CN
Inventors: 靳义新; 罗建峰; 毛瑞年
Original assignee: Dahan Technology Co ltd
Current assignee: Dahan Technology Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-01-14
Anticipated expiration: 2041-09-01
Also published as: CN113926935B

Abstract

The invention provides a pipe cutting device and a pipe cutting system, relates to the field of pipe processing equipment, aims at the problem that the shape and the length of a workpiece can not meet the requirements of the conventional pipe direct stamping and cutting, and is characterized in that a flattening mechanism and a cutting mechanism are configured, so that the pipe is flattened and then cut, the position to be cut is extruded to form a plate and then cut, the uncontrollable plastic deformation of the pipe in the cutting process is reduced, the shape and the angle deviation of the cutting position are reduced, and the controllability and the precision in cutting are improved; the cutting device comprises a workbench and a cutting component, wherein the cutting component is installed on the workbench through a first sliding pair and comprises a pressing plate, a supporting plate, a pressing block and a cutter, the pressing block and the cutter are located between the pressing plate and the supporting plate and are sequentially installed on the pressing plate, an extrusion part is formed between the pressing block and the supporting plate, a cutting part is formed between the cutter and the supporting plate, the cutting component is connected through a first driving mechanism, so that a workpiece is switched between the extrusion part and the cutting part, and a second driving mechanism is connected with the pressing plate to change the distance between the pressing plate and the supporting plate.

Description

Pipe cutting device and system

Technical Field

The disclosure relates to the field of pipe machining equipment, in particular to a pipe cutting device and a pipe cutting system.

Background

In the processing process of standard knots such as construction elevators and tower cranes, a large amount of welding operation is needed, and the manual welding is developed to the mechanical welding at present.

The standard knot is a truss-shaped structure formed by combining a large number of pipes, the blanking of internal rod pieces such as a straight web member, an inclined web member and the like is mostly cut off by one-time punching of a punch press, and the cutting efficiency is higher; however, in the process of punching and cutting, the process of shaping and deformation of the pipe cannot be accurately controlled, the cutting length, the cutting position angle and the section shape cannot be accurately controlled, the pipe can be adjusted one by one in the process of manual welding, and in an automatic welding production line, the shape of a workpiece obtained after the pipe is cut directly influences the welding quality of a subsequent robot; if only the qualified workpieces are screened out for welding, a large amount of workpieces are wasted, the full utilization of materials is difficult to realize, and the yield is low.

Disclosure of Invention

The purpose of the disclosure is to provide a pipe cutting device and system aiming at the defects in the prior art, through configuring a flattening mechanism and a cutting mechanism, a workpiece is firstly flattened and then cut off, the position to be cut off is firstly extruded to form a plate and then cut off, controllability and precision during cutting off are improved, the flattening mechanism and the cutting mechanism are linked, the working position of the workpiece is switched, the workpiece is flattened and cut off at the same position, secondary positioning is not needed, and positioning machining precision is improved.

The first purpose of this disclosure is to provide a tubular product cuts device, adopts following technical scheme:

including the workstation with cut the component, cut the component and include clamp plate, cutter and briquetting tip butt joint coplane are installed in the clamp plate, form the portion of cutting off between cutter and the workstation, form extrusion portion between briquetting and the workstation, X drives the clamp plate to actuating mechanism and is on a parallel with the workstation and removes, changes the position of extrusion portion and cutting off portion relative to the workstation, Y drives the clamp plate to actuating mechanism and changes and the workstation interval.

Furthermore, the cutting-off component further comprises a frame and a supporting plate, the supporting plate is installed on the frame, two ends of the pressing plate are connected with the frame in a sliding mode, the pressing plate and the supporting plate are arranged in parallel, and the cutting-off component is matched with the workbench in a sliding mode through the frame.

Further, the cut-off component is matched with the workbench through a first moving pair, the first moving pair is of a sliding block sliding groove structure, the sliding groove is formed in the workbench, the frame is in sliding fit with the sliding groove as a sliding block, and the pressing block and the cutter are sequentially arranged along the extending direction of the sliding groove.

Furthermore, the Y-direction driving mechanism is arranged on the workbench through a support, the output end of the Y-direction driving mechanism can drive the pressing plate to reciprocate, and the Y-direction driving mechanism is connected with the pressing plate through a second sliding pair along the motion direction of the output end of the Y-direction driving mechanism.

Furthermore, the second sliding pair is of a guide block and guide rail structure, the guide block is arranged at the output end of the Y-direction driving mechanism, and the pressing plate is in sliding fit with the guide block as a guide rail.

Furthermore, one end of the pressing block is in butt joint with one end of the cutter, a processing channel is formed between the pressing plate work tables, and conveying rollers are arranged on the upstream work table and/or the downstream work table of the processing channel.

Further, the cutter is of a double-edge structure, and the cutter and the pressing block are arranged in a collinear manner.

A second object of the present disclosure is to provide a pipe chopping system, utilizing the pipe chopping device as described above.

Furthermore, the cutting device further comprises a feeding mechanism, a feeding mechanism and a discharging mechanism, wherein the feeding mechanism is arranged on one side of the feeding mechanism, the feeding mechanism and the discharging mechanism respectively comprise a trolley with a clamp, and the trolley drives the material to pass through the cutting member through the clamp.

Furthermore, the feeding mechanism comprises a storage rack and a stop block, wherein the storage rack is provided with a storage part, and the stop block is positioned on one side of the storage part.

Compared with the prior art, the utility model has the advantages and positive effects that:

(1) the problem of the shape of obtaining the work piece, length can't satisfy the demand is cut off to the direct punching press of present tubular product, through configuration flattening mechanism and shutdown mechanism, cuts off after flattening earlier to the tubular product, will wait to cut off the position and extrude earlier and form the plate and cut off later, reduces the uncontrollable moulding deformation of cutting off in-process tubular product, reduces and cuts off position shape, angular deviation, controllability and precision when improving and cutting off.

(2) The clamp plate drives the briquetting and the synchronous action of cutter, briquetting and layer board are as flattening mechanism, form the extrusion portion that flattens to the tubular product between briquetting and the layer board, cutter and layer board are as shutdown mechanism, form the cutting off portion to flattening back tubular product and cuting between cutter and the layer board, extrusion portion and cutting off portion intercommunication, through cutting off the holistic removal of component, the extrusion portion, the operating position of cutting off portion can switch over, change its relative position with tubular product, the work piece flattens and cuts off in same position, need not the secondary location, improve location machining precision.

(3) The cutting mechanism slides relative to the workbench under the push-pull action of the driving mechanism, the positions of the extrusion part, the cutting part and the pipe are cut off, the extrusion part is flattened corresponding to the pipe, the position is changed, the cutting part is cut off corresponding to the pipe, after the cutting is finished, the pipe is axially fed to the next machining position, the cutting structure slides to change the position, the flattening and cutting operation is carried out on the machining position, and the continuous machining of the pipe is finished.

(4) The cutter and the pressing block are arranged on the pressing plate, the pressing plate is connected with the driving mechanism, so that the pressing plate is driven to move relative to the supporting plate, the cutter and the pressing block move synchronously, the change of a processing mode can be realized only by changing the position of the cutting mechanism, the positioning process is reduced, and the processing efficiency is improved.

(5) The cutting-off of the pipe after the pipe is flattened by adopting the cutter with the double-edge structure and the supporting plate is matched, and excessive flattening parts are removed, so that the end part of the pipe is just sealed, the residue of the flattening parts is reduced, the workpiece acquired after the pipe is cut off can meet the subsequent welding requirement, the pipe material can be fully utilized, and the welding quality of the subsequent welding robot is ensured.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and are not to limit the disclosure.

FIG. 1 is a schematic diagram of a tubing truncation system according to one or more embodiments of the present disclosure;

FIG. 2 is a schematic illustration of a tube flattening configuration according to one or more embodiments of the present disclosure;

FIG. 3 is a schematic diagram illustrating the cutting of tubing in one or more embodiments of the present disclosure;

FIG. 4 is a schematic front view of a tubing truncation device according to one or more embodiments of the present disclosure;

FIG. 5 is a schematic cross-sectional view taken at A-A of FIG. 4;

FIG. 6 is a schematic structural view of a pipe chopping system in one or more embodiments of the present disclosure

In the drawings, 1. a storage rack; 2. a feeding table; 3. a feeding clamp; 4. a feeding trolley; 5. a guide groove; 6. a pipe cutting device; 7. a blanking trolley; 8. blanking clamp; 9. blanking a conveying belt; 601. a work table; 602. briquetting; 603. a pressing block supporting plate; 604. a cutter; 605. a cutter supporting plate; 606. a guide post; 607. a hydraulic station; 608. a conveying roller; 609. a frame; 610. and (7) pressing a plate.

Detailed Description

Example 1

In an exemplary embodiment of the present disclosure, as shown in fig. 2-6, a pipe chopping device is provided.

Aiming at the problem that the shape and the length of a workpiece obtained by directly punching and cutting the existing pipe cannot meet the requirements, the pipe is firstly flattened and then cut off by configuring a flattening mechanism and a cutting mechanism; the pipe is extruded and deformed at the position to be cut, the pipe is pressed into a flat shape to form a plate, then the flat position is cut off, the uncontrollable plastic deformation of the pipe in the cutting process is reduced, the shape and the angle deviation of the cut-off position are reduced, and the controllability and the precision in cutting off are improved.

In order to achieve the purpose, the pipe cutting device mainly comprises a workbench 601, a cutting member and a driving mechanism, wherein the cutting member is slidably mounted on the workbench 601, a cutting part and a squeezing part which are communicated are arranged inside the cutting member, a pipe in the squeezing part can be flattened, the flattened pipe in the cutting part can be cut, a workpiece penetrates through the cutting member, the position of the workpiece can be switched, and flattening and cutting processes are alternately carried out.

When the pipe is flattened and cut at the same position, the relative position of the pipe and the workbench 601 is not changed, the cutting member slides relative to the workbench 601 to adjust the positions of the cutting part and the extruding part, and the secondary positioning of the workpiece is avoided when the machining process is switched, so that the machining efficiency and the machining precision are improved.

The cutter 604 that adopts the twolip structure cooperates the layer board to carry out cutting off of the back tubular product that flattens, gets rid of too much flattening part for the tubular product tip seals just, and reduces flattening partial remaining, makes the work piece that acquires after cutting off tubular product can satisfy follow-up welding demand, and the tubular product material can obtain make full use of, guarantees follow-up welding robot's welding quality.

The driving mechanism is divided into a first driving mechanism and a second driving mechanism, the second driving mechanism is used for inputting power for the cutting member to perform flattening and cutting operation, the first driving mechanism is used for inputting power for driving the cutting member to adjust the position relative to the workbench 601 integrally, the second driving mechanism can drive the cutting member to flatten or cut the pipe, and the first driving mechanism can drive the cutting member to slide relative to the workbench 601 in a reciprocating mode to switch the processing position of the pipe.

Specifically, as shown in fig. 4 to 6, the cutting member includes a pressing plate 610, a supporting plate, a pressing block 602 and a cutter 604, the pressing block 602 and the cutter 604 are located between the pressing plate 610 and the supporting plate and are sequentially mounted on the pressing plate 610, an extrusion portion is formed between the pressing block 602 and the supporting plate, and a cutting portion is formed between the cutter 604 and the supporting plate.

The supporting plate is divided into a pressing block supporting plate 603 corresponding to a pressing block 602 and a cutter supporting plate 605 corresponding to a cutter 604, the second driving mechanism is connected to the pressing plate 610, the pressing block 602 and the cutter 604 are driven to move by driving the pressing plate 610, the distance between the pressing block 602 and the pressing block supporting plate 603 and the distance between the cutter 604 and the cutter supporting plate 605 are changed, and flattening or cutting-off movement is executed.

The cutting-off component is installed on the workbench 601 through a first moving pair and further comprises a frame 6099, the supporting plate is installed on the frame 6099, the two ends of the pressing plate 610 are connected with the frame 6099 in a sliding mode, the pressing plate 610 is guided for relative movement of the supporting plate, the pressing plate 610 is arranged in parallel with the supporting plate, the flattening and cutting-off uniformity is guaranteed, the machining precision of the cutting-off component is improved, and the cutting-off component is connected with the workbench 601 through the frame 6099.

The first sliding pair is of a sliding block and sliding groove structure, the sliding groove is formed in the workbench 601, the frame 6099 serves as a sliding block and is in sliding fit with the sliding groove, and the pressing block 602 and the cutter 604 are sequentially arranged along the extending direction of the sliding groove, so that the cutter 604 can be perpendicular to the axis of the pipe to cut off the pipe.

For the driving force of the flattening and cutting actions, the second driving mechanism is mounted on the workbench 601 through a support, the output end of the second driving mechanism can drive the pressing plate 610 to reciprocate, and the second driving mechanism is connected with the pressing plate 610 through a second sliding pair along the motion direction of the output end of the second driving mechanism.

The second driving mechanism is a reciprocating telescopic mechanism, in this embodiment, a telescopic cylinder may be used, and the hydraulic station 607 is connected to the control valve through a pipeline.

The second sliding pair is arranged on the guide plate, the guide plate is connected with the workbench 601 through the guide column 606, and after the relative position of the second driving mechanism and the pressing plate 610 is changed through the second sliding pair, the second sliding pair still can transmit the power of the second driving mechanism, so that the second driving mechanism can drive the pressing plate 610 to perform reciprocating motion, and stable power input is kept after the working positions of the extrusion part and the cutting part are switched.

The second sliding pair is a guide block and guide rail structure, the guide block is arranged at the output end of the second driving mechanism, and the pressing plate 610 is in sliding fit with the guide block as a guide rail.

For the motion of the cutting member relative to the working table 601, the first driving mechanism adopts a reciprocating telescopic mechanism, for example, a telescopic oil cylinder is selected, and the telescopic oil cylinder is connected to the hydraulic station 607 through a control valve and a pipeline to drive the motion of the cutting member.

For the first driving mechanism and the second driving mechanism, in other embodiments, other reciprocating mechanisms may also be used, such as an electric cylinder, an air cylinder, and the like, and a reciprocating mechanism output by a motor in cooperation with a transmission mechanism may also be used, so that the motion mode and the power requirement may be met.

Furthermore, one end of the pressing block 602 is abutted to one end of the cutter 604, a processing channel is formed between the pressing plate 610 and the supporting plate, and a conveying roller 608 is arranged on an upstream and/or downstream working table 601 of the processing channel.

The conveying roller 608 has a supporting function and a guiding function, so that the pipe can smoothly pass through the processing channel, and the pipe can be conveniently fed and discharged.

The cutter 604 is a double-edge structure, and the cutter 604 and the pressing block 602 are arranged in a collinear manner; as shown in fig. 2 and 3, the cutter 604 with a double-edge structure is matched with the supporting plate to cut off the pipe after being flattened, so that excessive flattening parts are removed, the end part of the pipe is just sealed, the residue of the flattening parts is reduced, the workpiece obtained after the pipe is cut off can meet the requirement of subsequent welding, the pipe material can be fully utilized, and the welding quality of a subsequent welding robot is ensured.

The cutting mechanism slides relative to the workbench 601 under the pushing and pulling action of the driving mechanism, the positions of the extrusion part, the cutting part and the pipe are cut off, the extrusion part is firstly flattened corresponding to the pipe, then the position is changed to cut off the pipe corresponding to the cutting part, after the cutting is finished, the pipe is axially fed to the next processing position, the cutting structure slides to change the position, the flattening and cutting operation is carried out on the processing position, and the continuous processing of the pipe is finished.

Example 2

In another embodiment of the present disclosure, as shown in fig. 1-6, a pipe truncation system is provided.

As shown in fig. 2 to 6, the pipe cutting device according to embodiment 1 further includes a feeding mechanism, a feeding mechanism and a discharging mechanism, the feeding mechanism is disposed on one side of the feeding mechanism, the feeding mechanism and the discharging mechanism respectively include a trolley with a clamp, and the trolley drives the material to pass through the cutting member through the clamp.

The feeding mechanism comprises a storage rack and a stop block, wherein the storage rack is provided with a storage part, and the stop block is positioned on one side of the storage part.

The working process is described with reference to fig. 1:

firstly, manually hoisting a bundle of pipes to a storage rack 1, opening and spreading the bundle of pipes, and pushing the pipes to a feeding table 2 with an inclination by 4 sets of air cylinder synchronous pushing and lifting mechanisms;

the pipe is fed into a guide groove 5 of a feeding mechanism by rolling and sliding of the pipe, a feeding clamp 3 clamps the pipe and moves towards a pipe cutting device 6 under the driving of a feeding trolley 4, and the pipe cutting device 6 firstly flattens the pipe and then moves left and right through a cutting mechanism to be replaced by a cutting mechanism for double-edge cutting;

after the process is finished, the feeding clamp 3 clamps the pipe and continues to move forwards, the blanking trolley 7 drives the blanking clamp 8 to clamp the pipe and pull the pipe, the cut and output workpiece is moved to the blanking conveying belt 9 to be discharged, the reciprocating blanking is carried out in sequence, and the feeding, flattening and cutting processes are repeated.

The whole pipe cutting system achieves material transfer between processes, achieves automatic feeding and discharging, utilizes the pipe cutting device to perform cutting processing, flattens and cuts a workpiece through the arrangement of the flattening mechanism and the cutting mechanism, cuts the workpiece after the workpiece is flattened, cuts the workpiece after the workpiece is extruded to form a plate at a position to be cut, improves controllability and precision during cutting, links the flattening mechanism and the cutting mechanism, switches working positions of the workpiece, flattens and cuts the workpiece at the same position, does not need secondary positioning, and improves positioning processing precision.

The above description is only a preferred embodiment of the present disclosure and is not intended to limit the present disclosure, and various modifications and changes may be made to the present disclosure by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.

Claims

1. The utility model provides a tubular product cuts device, its characterized in that, includes the workstation and cuts the component, cuts the component and includes clamp plate, cutter and briquetting, and cutter and briquetting tip butt joint coplane are installed in the clamp plate, form the portion of cutting off between cutter and the workstation, form the extrusion portion between briquetting and the workstation, and X drives the clamp plate to be on a parallel with the workstation and moves to actuating mechanism, changes the position of extrusion portion and cutting off portion relative to the workstation, and Y drives the clamp plate to the actuating mechanism and changes and the workstation interval.

2. The tube chopping device of claim 1, wherein the chopping member further comprises a frame and a support plate, the support plate is mounted on the frame, two ends of the pressure plate are slidably connected with the frame, the pressure plate is arranged in parallel with the support plate, and the chopping member is slidably matched with the workbench through the frame.

3. The pipe cutting device according to claim 2, wherein the cutting member is engaged with the table by a first moving pair, the first moving pair is a slide block and slide groove structure, the slide groove is provided on the table, the frame is slidably engaged with the slide groove as a slide block, and the press block and the cutter are sequentially arranged along an extending direction of the slide groove.

4. The tube cutting device according to claim 1, wherein the Y-direction driving mechanism is mounted on the worktable through a bracket, the output end of the Y-direction driving mechanism can drive the pressing plate to reciprocate, and the Y-direction driving mechanism is connected with the pressing plate through a second moving pair along the motion direction of the output end of the Y-direction driving mechanism.

5. The tube cutting device according to claim 4, wherein the second moving pair is a guide block and guide rail structure, the guide block is arranged at the output end of the Y-direction driving mechanism, and the pressing plate is used as a guide rail and is in sliding fit with the guide block.

6. The pipe cutting device according to claim 1, wherein one end of the pressing block is butted against one end of the cutter, a processing channel is formed between the pressing block working tables, and conveying rollers are arranged on the upstream and/or downstream working tables of the processing channel.

7. The tube chopping device of claim 1, wherein the knife is of a double-edged construction, the knife being arranged co-linearly with the press block.

8. A pipe machining system comprising a pipe cutting apparatus as claimed in any one of claims 1 to 7.

9. The pipe machining system of claim 8, further comprising a feeding mechanism, and a discharging mechanism, the feeding mechanism disposed on one side of the feeding mechanism, the feeding mechanism and the discharging mechanism each comprising a cart with a clamp, the cart driving the material through the cutoff member via the clamp.

10. The pipe machining system of claim 9 wherein the feed mechanism includes a storage rack having a storage portion and a stop located on a side of the storage portion.