CN109986217A - Roller type feeding frame and pipe cutting machine tool with synchronizing moving structure - Google Patents

Roller type feeding frame and pipe cutting machine tool with synchronizing moving structure Download PDF

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Publication number
CN109986217A
CN109986217A CN201910320107.7A CN201910320107A CN109986217A CN 109986217 A CN109986217 A CN 109986217A CN 201910320107 A CN201910320107 A CN 201910320107A CN 109986217 A CN109986217 A CN 109986217A
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CN
China
Prior art keywords
support frame
idler wheel
frame
type feeding
transmission
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201910320107.7A
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Chinese (zh)
Inventor
黄建滨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Jet Tech Intelligent Equipment Co Ltd
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Guangdong Jet Tech Intelligent Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Guangdong Jet Tech Intelligent Equipment Co Ltd filed Critical Guangdong Jet Tech Intelligent Equipment Co Ltd
Priority to CN201910320107.7A priority Critical patent/CN109986217A/en
Publication of CN109986217A publication Critical patent/CN109986217A/en
Withdrawn legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08Devices involving relative movement between laser beam and workpiece
    • B23K26/0823Devices involving rotation of the workpiece
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36Removing material
    • B23K26/38Removing material by boring or cutting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/70Auxiliary operations or equipment
    • B23K26/702Auxiliary equipment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/053Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
    • B23K37/0538Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor for rotating tubes, e.g. rollers

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Manipulator (AREA)

Abstract

Roller type feeding frame and pipe cutting machine tool with synchronizing moving structure, including support frame and the roller group being rotatably arranged on support frame, roller group includes the left column idler wheel and right column idler wheel of left and right arrangement, be disposed between left column idler wheel, right column idler wheel storeroom that material can be allowed to pass through away from;It is characterized in that, support frame includes the left and right left support frame split, right support frame, the left column idler wheel in roller group is rotatably arranged in left support frame respectively, and right column idler wheel is rotatably arranged in right support frame respectively;The beneficial technical effect of the present invention lies in: pass through the cooperation of positioning column and synchronizing device, allow left support frame, right support frame synchronized in the case where the position for determining center line between left column idler wheel and right column idler wheel remains unchanged it is close or gradually from, so as to be adapted to the material of different dimensions, expand the scope of application of roller type feeding frame, and the chucking power of uniform appropriateness can be applied respectively from the left and right sides of material, be conducive to improve pushing speed.

Description

Roller type feeding frame and pipe cutting machine tool with synchronizing moving structure
Technical field
The present invention relates to a kind of for conveying the feed device of material, in particular to a kind of rolling with synchronizing moving structure Take turns cradle.The invention further relates to a kind of pipe cutting machine tools that conveying pipe is carried out using the roller type feeding frame.
Background technique
It is even longer that the tube billet just produced often is up to 6m, 10m, so should must to before on specific product Cutting process must be carried out in advance, long tubing is cut into the short tube material of specific length.Traditional cutting method is cut using manual It cuts, not only precision is low, and working efficiency is also very low.Occur automatically carrying out tubing using electronic cutter on the market later The cutting machine of cutting processing.But with the high speed development of modern industrialization, the field for needing to be applied to tubing is more and more, right The demand of tubing also increasingly increases severely therewith.It has not been fully met pair by the mode that electronic cutter carry out automatic cutting The increase of the high demand of tubing.People pursue cutting speed faster, the higher pipe cutting machine device of precision.Laser cutting machine is met the tendency of And give birth to, laser cutting machine cuts tubing using laser head, cutting efficiency, cutting accuracy all being higher by than automatic cutting knife Several times.
In order to be adapted to the efficient cutting efficiency of the laser cutting machine, it is necessary to configure one for it and be capable of quick feeding Feed device.A kind of laser cutting machine for tubing is disclosed in Chinese utility model patent 201621414627.2, this swashs Light cutting machine has used a kind of for clamping and transmitting the transmission mechanism of tubing, and the transmission mechanism includes upper transport part, passes down Defeated portion, and the first motor for driving upper transport part movement.The upper transport part includes two driving wheels, first electricity Machine transmission connection synchronizing wheel and belt, the synchronizing wheel are sequentially connected by belt and each driving wheel.The lower transport part packet Include three driven wheels.The feed device further includes the adjustment portion for adjusting spacing between upper transport part and lower transport part, institute Stating adjustment portion includes adjusting handle and transmission parts two, and the transmission parts two include turn with left hand thread and right-handed thread Axis, the screw element one being threadedly coupled with the left hand thread and the screw element two being threadedly coupled with the right-handed thread, it is described Upper transport part and lower transport part are connect with the screw element one and the screw element two respectively.Institute is driven by the adjusting handle Upper transport part when stating shaft rotation, lower transport part is opened or closing motion, reaches and adjusts the driving wheel and described driven The effect of spacing between wheel.
Summary of the invention
Cradle in patent 201621414627.2 is that the upper transport part is adjusted by double thread drive mechanism Storeroom between lower transport part away from, be adjustment structure relatively conventional in industry, and cradle of the invention using Completely new storeroom is away from adjustment structure.Proposed by the present invention is a kind of roller type feeding frame with synchronizing moving structure, including branch Support and the roller group being rotatably arranged on support frame as described above, the roller group includes the left column idler wheel and right column of left and right arrangement Idler wheel, be disposed between the left column idler wheel, right column idler wheel storeroom that material can be allowed to pass through away from;It is characterized in that, described Support frame includes the left and right left support frame split, right support frame, and the left column idler wheel in the roller group is rotatably arranged on institute respectively It states in left support frame, right column idler wheel is rotatably arranged on respectively in the right support frame;It further include chassis, the chassis includes cunning Dynamic supporting rail, the left support frame, right support frame are mobile to be arranged on the sliding support rail;It further include positioning column, it is described fixed Position column is connected on the chassis and between the left support frame, right support frame;The left support frame, right support frame it Between be additionally provided with synchronizing device, the synchronizing device includes the first, second transmission arm, and first, second transmission arm is not only It is associated with the positioning column simultaneously and is respectively associated in the left support frame or the right support frame, the positioning column and institute Stating synchronizing device cooperation, to be applied not only to guarantee that the left support frame, right support frame relatively synchronize close or gradually from and being used for Adjust the storeroom away from when determine that the position of center line between the left column idler wheel and right column idler wheel remains unchanged.
Wherein, the positioning column is connected on the chassis and between the left support frame, right support frame, this feature The position of the positioning column is defined, the positioning column described first can be directly or indirectly connected on the chassis to opposite The left support frame, right support frame have fixed position.Secondly described positioning column correspond to the left support frame, right support frame it Between clearance space arrange that the positioning column can be in the clearance space between the left support frame, right support frame, can also Except clearance space between the left support frame, right support frame.
Wherein, between first, second transmission arm and the positioning column, first, second transmission arm and the left side Association structure between support frame or the right support frame can be multiplicity, such as:
The first association structure, the synchronizing device are in herringbone, and the head end of first, second transmission arm is cut with scissors by articulated shaft It connects together, the articulated shaft is slidably arranged on the positioning column and is maintained between the left column idler wheel and the right column idler wheel Center line on move up and down, specific structure can be arranged on the positioning column along the center line up and down extend cunning Slot, the articulated shaft is slidably arranged in the sliding slot, and the tail end of first transmission arm is rotatably arranged on the left support On frame, the tail end of second transmission arm is rotatably arranged in the right support frame.So when the driving left support frame is in institute State sliding support rail on move and gradually from the right support frame when, while first transmission arm rotate around tail end drive described in Articulated shaft slides in the sliding slot, slide in the articulated shaft right support frame drawn by second transmission arm exist It moves on the sliding support rail gradually from the left support frame, vice versa.
Second of association structure, the synchronizing device are in cross, and the medium position of first, second transmission arm passes through Articulated shaft is hinged together, and the articulated shaft fixed setting is on the positioning column and positioned at the left column idler wheel and the right column rolling On center line between wheel, and the head end of first, second transmission arm is slidably arranged in the left support frame respectively, is described The tail end of first, second transmission arm is slidably arranged in respectively in the right support frame.So when the driving left support frame is in institute State sliding support rail on move and gradually from the right support frame when, the head end of first, second transmission arm is rotating around the hinge Spindle rotates and slides tail end that is close and making first, second transmission arm in opposite directions and also rotates simultaneously rotating around the articulated shaft Slide in opposite directions it is close, thus draw the right support frame moved on the sliding support rail and gradually from the left support frame, instead ?.
The head end of the third association structure, first transmission arm is rotatably arranged on the positioning column by left rotary shaft, The tail end of first transmission arm is slidably arranged in the left support frame, and the head end of second transmission arm is turned by right spindle On the positioning column, the tail end of second transmission arm is slidably arranged in the right support frame, described first for dynamic setting Driving cog, the left rotary shaft and the right spindle pair are provided between the head end of the head end of transmission arm and second transmission arm is logical Split the left and right sides of the center line between the left column idler wheel and the right column idler wheel with claiming.So when the driving left branch Support moved on the sliding support rail and gradually from the right support frame when, first transmission arm is rotated around the left rotary shaft While drive second transmission arm to rotate around the right spindle to drawing the right support frame described by driving cog It moves on sliding support rail gradually from the left support frame, vice versa.
4th kind of association structure, the synchronizing device are in herringbone, and the head end of first, second transmission arm passes through hinged Axis is hinged together, articulated shaft fixed setting on the positioning column and be located at the left column idler wheel and the right column idler wheel it Between center line on, and the tail end of first transmission arm is slidably arranged in the left support frame, second transmission arm Tail end is slidably arranged in the right support frame.So when it is synchronous drive first, second transmission arm around the articulated shaft, Close swing when can draw the left support frame, right support frame relatively synchronize it is close or gradually from.
According to the above technical scheme, the beneficial technical effect of the present invention lies in: pass through the positioning column and it is described it is synchronous dress The cooperation set allows the left support frame, right support frame in the position for determining center line between the left column idler wheel and right column idler wheel It is synchronized in the case where remaining unchanged close or gradually from expanding the idler wheel and send so as to be adapted to the material of different dimensions Expect the scope of application of frame, and chucking power uniformly, appropriate can be applied respectively from the left and right sides of material.
Further technical solution is also possible that on the idler wheel outer circumference surface of the left column idler wheel, right column idler wheel to be set respectively It is equipped with left groove, the right groove for clamping material, the left groove, right groove or so, which are faced each other, is adapted to configuration.The left side described in this way The center height having the same of groove, right groove, the left column idler wheel, right column idler wheel chucking power can act on material Identical height and position improves clamping stability.
Further technical solution is also possible that further include having removable drive, and the removable drive is for driving institute State left support frame, right support frame relatively synchronize it is close or gradually from.Wherein the removable drive becomes the left support frame, the right side The mobile power source of support frame.The power output end of the removable drive may be coupled to the left support frame, right support frame On the upper or described hinge joint.
Further technical solution is also possible that further include having a pair of positioning column, a pair of synchronizing device, a pair of The positioning column, a pair of synchronizing device split the both sides before and after the chassis, the output of the removable drive respectively Axis connection is in the right support frame, and the removable drive is for driving the right support frame mobile and by the positioning column It is mobile that the left support frame is drawn with synchronizing device cooperation.In this way, the removable drive can not only drive the right side Support frame is mobile, additionally it is possible to by the right support frame by a pair of positioning column and a pair of synchronizing device simultaneously in the past Both sides apply driving force to the left support frame afterwards, improve the operation stability of the left support frame, right support frame, or even work as institute State left support frame, the number of rollers installed in right support frame it is relatively more and when loading weight, between the left column idler wheel, right column idler wheel It still is able to apply uniform chucking power to material.
Further technical solution is also possible that further include a pair of guide rails, a pair of guide rail and the sliding support rail Between misplace and be arranged on support frame as described above;One end of the guide rail is connected in the left support frame or the right support frame and another One end is slidably connected on another support frame or the guide rail is connected on the positioning column, from the positioning column The both ends for the guide rail that both sides are extended are slidably connected at respectively in the left support frame and the right support frame.In this way can Slide-and-guide is provided from different location for the left support frame and the right support frame, so as to cooperate with the guidance left support Relatively moved between frame and the right support frame and enhance relatively moved between the left support frame and the right support frame it is steady It is qualitative.
Further technical solution is also possible that further include peripheral coaming plate and panel, and the panel is pressed against the periphery On coaming plate, open portion is reserved on the panel, the periphery coaming plate and the panel combination are formed with accommodation space, the branch Support is contained in the accommodation space, and the roller group is exposed to the opening portion.In this way, passing through the peripheral coaming plate and face Plate hides the chassis and support frame, and the iron filings formed in cutting process, dust is avoided to be adhered on support frame as described above in large quantities And it influences to use.
Further technical solution is also possible that further include master driver and the transmission connection master driver output shaft Torque transmission shaft, the torque transmission shaft do not extend only into the position where the left support frame and also extend into the right branch Support;At least a pair of of idler wheel is driving roller, including left driving roller and right driving roller, one of them left driving roller and institute It states and transmission connection, one of them right driving roller and the torque transmission shaft is realized by Left Drive device between torque transmission shaft Between by right transmission device realize transmission connection.The left driving roller described in this way and right driving roller can be respectively in the power Active rotation under the driving of square transmission shaft is conducive to improve defeated so as to apply push power to material respectively from arranged on left and right sides Send speed.
Further technical solution is also possible that the Left Drive device includes being arranged in the left driving roller shaft The first left gear and transmission be arranged on the torque transmission shaft can be with the first of first left gear engaged transmission Transmission gear, the right transmission device include that the first right gear being arranged in the right driving roller shaft and transmission setting exist On the torque transmission shaft can be with the second transmission gear of first right gear engaged transmission, first transmission gear It is arranged in the left support frame, second transmission gear is arranged in the right support frame.In this way, first driving cog Wheel has synchronous displacement with the left support frame, when the left support frame moves, first transmission gear and described the Engaged transmission is able to maintain between one left gear.Same second transmission gear has synchronous position with the right support frame It moves, when the right support frame is mobile, second transmission gear and first right gear are able to maintain engaged transmission.Pass through Engaged transmission between first left gear and the first transmission gear, first right gear and the second transmission gear is substantially The torque of the torque transmission shaft can be synchronously passed to the left driving roller, right driving roller, the left active rolling Wheel, the consistent rotation linear velocity of right driving roller simultaneously can synchronously give material push power from arranged on left and right sides, significantly Improve conveying speed, precision.Can also be measured on this basis by setting the torque transmission shaft, the left driving roller or The encoder of the angular displacement of the right driving roller extrapolates the material under the promotion of the left driving roller and right driving roller The length being fed forward.
Further technical solution is also possible that whole idler wheels are all driving rollers, in the left column idler wheel on the left side Synchronous Transmission connects between adjacent rollers, Synchronous Transmission connection between the adjacent rollers in the right column idler wheel on the right.In this way, Whole idler wheels in whole idler wheels and right column idler wheel in left column idler wheel can apply push power to material, and material is born total Push resultant force increases, and is conducive to further increase conveying speed.
Further technical solution, which is also possible that, passes through gear synchronous between the adjacent left column idler wheel in left column idler wheel It is connected by meshing transmission, is connected by meshing transmission between the adjacent right column idler wheel in the right column idler wheel on the right by gear synchronous. In this way, whole idler wheels in the consistent rotation linear velocity of whole idler wheels in left column idler wheel, right column idler wheel have it is consistent Property rotation linear velocity, be further able to improve left column idler wheel and right column idler wheel delivery precision.
In addition to this, the present invention also proposes that the pipe cutting machine tool using the roller type feeding frame, including the idler wheel are sent Expect frame, further include laser cutting assembly, the laser cutting assembly includes cutting laser head, and the laser head is for cutting The material that the roller type feeding frame is transmitted.
Further technical solution is also possible that further include clamping device, and the roller type feeding frame is used for institute is received Processing tubing is supplied to the clamping device;The clamping device is used to clamp the material that the roller type feeding frame is sent to, The laser head is also used to cut material when the gripping means grips material.
Further technical solution is also possible that the clamping device can rotate, and the roller type feeding frame is also used to work as When the clamping device rotates, the roller type feeding frame can unclamp processing tubing;The clamping device is also used to clamp residence It states the material that roller type feeding frame is sent to and driving material can be rotated in cutting;The laser head is also used to when the clamping Material is cut off when device driving material rotation.
Further technical solution is also possible that on the roller type feeding frame or in the roller type feeding frame and the folder It holds and is provided with length of wires metering device between device.In this way, described by the length of wires metering device metering material The length that roller type feeding frame is fed forward, so as to accurately cut material by designated length.
Further technical solution is also possible that further include preceding conveying frame, and the preceding conveying frame is located at the roller type feeding The front of frame, the preceding conveying frame are used to provide processing tubing to the roller type feeding frame.
Further technical solution is also possible that further include charging positioning device, the charging positioning device be used for from The preceding conveying frame conveying comes and reaches the material of the roller type feeding frame for the first time to be positioned.
Due to the present invention have the advantages that These characteristics and, can be applied to roller type feeding frame and pipe cutting machine tool thus.
Detailed description of the invention
Fig. 1 is the positive structure schematic using the pipe cutting machine tool of technical solution of the present invention;
Fig. 2 is the schematic perspective view of the pipe cutting machine tool;
Fig. 3 is the schematic perspective view at another visual angle of the pipe cutting machine tool;
Fig. 4 is the structural schematic diagram of roller type feeding frame, and the peripheral coaming plate 8 and panel 81 are omitted in figure;
Fig. 5 is the schematic perspective view of the positioning column;
Fig. 6 is second of association structure between the synchronizing device and the positioning column, support frame;
Fig. 7 is the third association structure between the synchronizing device and the positioning column, support frame;
Fig. 8 is the 4th kind of association structure between the synchronizing device and the positioning column, support frame
Fig. 9 is the schematic diagram of the section structure of roller type feeding frame;
Figure 10 is the partial enlargement structural representation of a-quadrant in Fig. 9;
Figure 11 is the drive mechanism schematic diagram between the idler wheel in the left column idler wheel a;
Figure 12 is the schematic perspective view of the left redundant mounting rack 15.
Specific embodiment
With reference to the accompanying drawing to the roller type feeding frame 100 and applied pipe cutting machine tool of application technical solution of the present invention Structure be further described.
It is as shown in Figure 1, Figure 2 and Figure 3 the structural schematic diagram of pipe cutting machine tool, pipe cutting machine tool includes the idler wheel Cradle 100, positioned at the preceding conveying frame 500 in 100 front of the roller type feeding frame, positioned at the rear of the roller type feeding frame 100 Laser cutting assembly 200 and positioned at it is described laser cutting assembly 200 and the roller type feeding frame 100 between clamping dress Set 300.In cutting process, the preceding conveying frame 500 provides processing tubing to the roller type feeding frame 100.The roller type feeding The received processing tubing of institute is supplied to the clamping device 300 by frame 100.The clamping device 300 clamps the idler wheel and send Expect the material that frame 100 is sent to and driving material can be rotated in cutting.When the clamping device 300 rotation, the rolling It takes turns cradle 100 and unclamps processing tubing.The laser cutting assembly 200 includes cutting laser head 201, when the clamping fills When setting the rotation of 300 driving materials, the laser head 201 cuts the material being clamped on the clamping device 300.On further including Expect positioning device 600, the charging positioning device 600 is arranged in the top of the roller type feeding frame 100, may be mounted at institute It states on roller type feeding frame 100 or the preceding conveying frame 500.The charging positioning device 600 is used for from the preceding conveying frame 500 Conveying comes and reaches the material of the roller type feeding frame 100 for the first time to be positioned.In the roller type feeding frame 100 and the folder It holds and is provided with length of wires metering device 400 between device 300.In certain other embodiments, the length of wires metering dress Setting 400 can also be arranged on the roller type feeding frame 100.
The specific structure of the roller type feeding frame 100 with synchronizing moving structure is highlighted below.Such as Fig. 4 and Fig. 5 Shown, the roller type feeding frame 100 includes support frame (1,1a) and the roller group being rotatably arranged on support frame as described above (1,1a), The roller group includes the left column idler wheel a and right column idler wheel b of left and right arrangement, is arranged between the left column idler wheel a, right column idler wheel b There is the storeroom that material can be allowed to pass through away from 12.The left column idler wheel a, right column idler wheel b idler wheel outer circumference surface on be respectively set There are left groove 102, the right groove 112 for clamping material, the left groove 102, right groove 112 or so, which are faced each other, is adapted to configuration. The left groove 102 described in this way, the center height having the same of right groove 112, the clamping of the left column idler wheel a, right column idler wheel b Power can act on the identical height and position of material, improve clamping stability.Support frame as described above includes the left and right left support split Frame 1, right support frame 1a, the left column idler wheel a in the roller group are rotatably arranged on respectively in the left support frame 1, right column idler wheel b It is rotatably arranged on the right support frame 1a respectively.Further include chassis 13, the chassis 13 include pair of sliding supporting rail (2, 2a), the mobile setting of the left support frame 1, right support frame 1a is on a pair of sliding support rail (2,2a).It further include a pair of fixed Position column (4,4a), a pair of positioning column (4,4a) are connected on the front and back both sides of the chassis 13 and are located at the left support frame 1, between right support frame 1a.The positioning column 4 has similar structure with 4a is located in, and makees by taking the positioning column 4 as an example below It introduces.The positioning column 4 includes column main body 40 and the installing arm 41 extended from the column main body 40, in the column main body The sliding slot 401 that the center line O-O or more between the left column idler wheel a and the right column idler wheel b extends is provided on 40.It is described It is installed to except clearance space of the positioning column 4 between the left support frame 1, right support frame 1a and by the installing arm 41 Suggest below on the peripheral coaming plate 8 discussed to be connected on the chassis 13 indirectly in turn the relatively described left support frame 1, Right support frame 1a has fixed position.Certainly in other implementations, the positioning column 4 may be located on the left branch It in clearance space and is directly connected on the chassis 13 between support 1, right support frame 1a.
As shown in figure 4, a pair of of synchronizing device (3,3a) are additionally provided between the left support frame 1, right support frame 1a, one The both sides before and after the chassis are split to the synchronizing device (3,3a).The synchronizing device 3 and synchronizing device 3a have class As structure, be associated with knot between the synchronizing device 3 and the positioning column 4, the left support frame 1, the right support frame 1a Structure and the synchronizing device 3a and the positioning column 4a, the left support frame 1, the association structure class between the right support frame 1a Seemingly, below with the structure of the synchronizing device 3 and the synchronizing device 3 and the positioning column 4, the left support frame 1, described It is described for association structure between right support frame 1a.The synchronizing device 3 includes the first, second transmission arm in herringbone The head end (312,322) of (31,32), first, second transmission arm (31,32) is hinged together by articulated shaft 33, the hinge Spindle 33 is slidably arranged in the sliding slot 401 of the positioning column 4 upper and is maintained at the left column idler wheel a and the right column idler wheel b Between center line O-O on move up and down, and the tail end 311 of first transmission arm 31 is rotatably arranged on the left support frame 1 On, the tail end 321 of second transmission arm 32 is rotatably arranged on the right support frame 1a.As described first, second transmission Arm (31,32) is not only associated with the positioning column 4 but also is respectively associated in the left support frame 1 or the right support frame simultaneously 1a.Further include have for drive the left support frame 1, right support frame 1a relatively synchronize it is close or gradually from removable drive 7, The output shaft of the removable drive 7 is connected on the right support frame 1a, when the removable drive 7 drives the right support Frame 1a moved on the sliding support rail (2,2a) and gradually from the left support frame 1 when, second transmission arm 32 is around tail end Drive the articulated shaft 33 to slide in the sliding slot 401 while 321 rotation, slide in the articulated shaft 33 pass through it is described First transmission arm 31 draw the left support frame 1 on the sliding support rail (2,2a) synchronizing moving and gradually from the right support Frame 2.Otherwise the removable drive 7 drives the right support frame 1a to move on the sliding support rail (2,2a) and close institute When stating left support frame 1, it is synchronous equally the left support frame 1 can be drawn with the synchronizing device 3 cooperation by the positioning column 4 Mobile and close right support frame 1a.Certainly in other implementations, the synchronizing device 3a and positioning column 4a, described It is also possible using above-mentioned association structure is different between left support frame 1, the right support frame 1a, for example, by using general below Second of the association structure discussed;Or a positioning column and a synchronizing device are only set.
According to the above technical scheme it can be found that: pass through matching for the positioning column (4,4a) and the synchronizing device (3,3a) It closes, allows the left support frame 1, right support frame 1a in the position for determining center line O-O between the left column idler wheel a and right column idler wheel b Set synchronized in the case where remaining unchanged it is close or gradually from expanding the idler wheel so as to be adapted to the material of different dimensions The scope of application of cradle, and chucking power uniformly, appropriate can be applied respectively from the left and right sides of material, be conducive to raising and push away Send speed.In addition, due to a pair of positioning column (4,4a) of configuration and a pair of synchronizing device (3,3a), a pair of positioning Column (4,4a) and a pair of synchronizing device (3,3a) can be from left support frame 1 described in the synchronously control of front and back both sides and the right branch The movement of support 1a improves the stability of the left support frame 1 and right support frame 1a movement, can further homogenize rolling Take turns the chucking power to material.And the removable drive 7 can not only drive the right support frame 1a mobile, additionally it is possible to pass through The right support frame 1a is by a pair of positioning column (4,4a) and a pair of synchronizing device (3,3a) simultaneously from front and back both sides Driving force is applied to the left support frame 1, when the number of rollers installed on the left support frame 1, right support frame 1a it is relatively more and When load weight, it still is able to apply uniform chucking power to material between the left column idler wheel a, right column idler wheel b.
In addition to this, the synchronizing device and the positioning column, the left support frame 1, between the right support frame 1a also It can choose using following association structure:
Second of association structure, as shown in fig. 6, synchronizing device 3 " is in cross, in the first, second transmission arm (31 ", 32 ") Portion position, which passes through articulated shaft 33, " to be hinged together, the articulated shaft 33 " being fixed at the positioning column 4 " is upper and is located at the left side On center line O-O between column idler wheel a and the right column idler wheel b, and the head end of first, second transmission arm (31 ", 32 ") (311 ", 321 ") be slidably arranged in respectively on the sliding slot 14 of the left support frame 1, first, second transmission arm (31 ", 32 ") Tail end (312 ", 322 ") be slidably arranged on the sliding slot 14a of the right support frame 1a respectively.So when the driving left support Frame 1 moved on the sliding support rail (2,2a) and gradually from the right support frame 1a when, the head of first, second transmission arm End (311 ", 321 ") is rotating around the articulated shaft 33 " to rotate and simultaneously slides close in opposite directions and make first, second transmission arm The tail end of (31 ", 32 ") is also simultaneously rotating around the articulated shaft 33 " rotate and slide in opposite directions it is close, to draw the right support Frame 1a on the sliding support rail (2,2a) synchronizing moving and gradually from the left support frame 1, vice versa.
The third association structure, as shown in fig. 7, the head end 312' of the first transmission arm 31' is set by left rotary shaft 313' rotation It setting on positioning column 4', the tail end 311' of first transmission arm 31 is slidably arranged on the sliding slot 14 of the left support frame 1, the The head end 322' of two transmission arms 32 is rotatably arranged on the positioning column 4' by right spindle 323', the second transmission arm 32' Tail end 321' be slidably arranged on the sliding slot 14a of the right support frame 1a, the first transmission arm 31' head end 312' and Driving cog, the left rotary shaft 313' and the right spindle 323' are provided between the head end 322' of the second transmission arm 32' is logical Symmetrically split the left and right sides of the center line O-O between the left column idler wheel a and the right column idler wheel b.So when driving The left support frame 1 moved on the sliding support rail (2,2a) and gradually from the right support frame 1a when, it is described first transmission Drive the second transmission arm 32' around the right spindle by driving cog while arm 31' is rotated around the left rotary shaft 313' 323' rotation to draw the right support frame 1a moved on the sliding support rail (2,2a) and gradually from the left support frame 1, vice versa.
4th kind of association structure, this structure is relatively easy, can be understood with reference to Fig. 4.The synchronizing device 3 is in herringbone The head end of shape, first, second transmission arm (31,32) is hinged together by articulated shaft 33, and the articulated shaft 33 is fixedly installed On center line O-O on the positioning column 4 and between the left column idler wheel a and the right column idler wheel b, and described first The tail end of transmission arm 31 is slidably arranged in the left support frame 1, and the tail end of second transmission arm 32 is slidably arranged in described On right support frame 1a.So work as and drives first, second transmission arm (31,32) around described hinged by the way that removable drive is synchronous 33 opening and closing of axis swing when can draw the left support frame 1, right support frame 1a relatively synchronize it is close or gradually from.
5th kind of association structure, as shown in figure 8, synchronizing device 3a parallelogram, the first transmission arm includes a pair of left Transmission arm (31,31a), the second transmission arm include a pair of right transmission arm (32,32a), the left end of a pair of of Left Drive arm (31,31a) It is rotatably arranged in left support frame 1, the right end of a pair of right transmission arm (32,32a) is rotatably arranged on right support frame 1a, the left side Transmission arm 31 and right transmission arm 32 are hinged together by articulated shaft 33, and the Left Drive arm 31a and right transmission arm 32a pass through hingedly Axis 33a is hinged together, and the articulated shaft (33,33a) is slidably arranged in the sliding slot 401 of the positioning column 4 upper respectively and keeps It is moved up and down on center line O-O between the left column idler wheel a and the right column idler wheel b.
It as shown in Figure 2 and Figure 9, further include peripheral coaming plate 8 and panel 81, the panel 81 is pressed against the peripheral coaming plate 8 On, open portion 810 is reserved on the panel 81, the periphery coaming plate 8 is combined with the panel 81 is formed with accommodation space 82, Support frame as described above (1,1a) is contained in the accommodation space 82, and the roller group is exposed to the opening portion 810.In this way, logical It crosses the peripheral coaming plate 8 and panel 81 hides support frame as described above (1,1a), avoid the iron filings formed in cutting process, dust a large amount of Ground is adhered on support frame as described above (1,1a) and influences to use.
As shown in figure 3, further including having a pair of guide rails (9,9a), a pair of guide rail (9,9a) is split in support frame as described above The front and back both sides of (1,1a).Dislocation is arranged and is connected to described between the guide rail (9,9a) and the sliding support rail (2,2a) Left support frame 1, right support frame 1a but relative movement between the left support frame 1, right support frame 1a is not interfered, it is described to lead Rail (9,9a) relatively moves and enhances the left support frame 1 for guiding between the left support frame 1 and the right support frame 1a The stability relatively moved between the right support frame 1a;.The sliding support rail (2,2a) described in this way and the guide rail (9, Layout relationship 9a) in dislocation, can provide sliding with the right support frame 1a for the left support frame 1 from different location and lead To being relatively moved between the left support frame 1 and the right support frame 1a so as to cooperate with to guide and enhance the left support The stability relatively moved between frame 1 and the right support frame 1a.
As for there are many connection structures between the guide rail (9,9a) and the left support frame 1, right support frame 1a, example Such as:
The first connection structure, described guide rail (9,9a) one end are connected in the left support frame 1, the guide rail (9,9a) it is another One end is slidably connected on the right support frame 1a, and as described guide rail (9,9a) is positioned by the left support frame 1, together When can also allow the right support frame 1a, and the left support frame 1 slides relatively under the guiding role of the guide rail (9,9a).When It can also be so that one end of the guide rail (9,9a) is connected on the right support frame 1a, the other end of the guide rail (9,9a) is sliding It is dynamic to be connected in the left support frame 1.
Second of connection structure, the guide rail (9,9a) are not connected on support frame as described above (1,1a), the guide rail (9, It 9a) is slidably connected at respectively in the left support frame 1 and the right support frame 1a.In this way, the left support frame 1, the right branch Support 1a being capable of relatively described guide rail (the 9,9a) sliding respectively.
The third connection structure, one end at least within of the guide rail (9,9a) is connected on the peripheral coaming plate 8, described The middle part of guide rail (9,9a) is slidably connected at respectively in the left support frame 1 and the right support frame 1a.It wherein can be described One of left or right of guide rail is connected in the peripheral coaming plate, can also be that left end and right end are all connected in the periphery Coaming plate.
4th kind of connection structure, the guide rail 9 are connected on the positioning column 4, and respectively from the both sides of the positioning column 4 The both ends of the guide rail 9 extended are slidably connected at respectively in the left support frame 1 and the right support frame 1a.The guide rail 9a is connected on the positioning column 4a, and the both ends difference of the guide rail 9a extended respectively from the both sides of the positioning column 4a It is slidably connected in the left support frame 1 and the right support frame 1a.
As shown in Fig. 4, Fig. 9 and Figure 12, the roller type feeding frame 100 further includes master driver 5 and the transmission connection master The torque transmission shaft 50 of 5 output shaft of driver, the torque transmission shaft 50 do not extend only into the position where the left support frame 1 And also extend into the right support frame 1a.The wherein left driving roller 10 in the left column idler wheel a and the torque transmission shaft Transmission connection is realized by Left Drive device between 50.The Left Drive device includes being arranged in the left driving roller shaft The first left gear 6 and transmission on 101 are arranged on the torque transmission shaft 50 and can engage biography with first left gear 6 The first dynamic transmission gear 61.Left redundant mounting rack 15 is provided in the left support frame 1, the left redundant mounting rack 15 is logical Screw 16 is crossed to be locked in the left support frame 1.The first left mounting hole 151 and are provided on the left redundant mounting rack 15 The axially bored line of two left mounting holes 152, the first left mounting hole 151 and the second left mounting hole 152 is mutually perpendicular to.Described first is left Gear 6 is rotatably arranged in first control hole 151 by bearing, and first transmission gear 61 is rotated by bearing to be arranged In second control hole 152, the first transmission gear 61 described in this way is arranged in the left support frame 1 indirectly.Wherein institute It states and transmission connection is realized by right transmission device between the right driving roller 11 and the torque transmission shaft 50 in right column idler wheel b. The right transmission device includes that the first right gear 6a being arranged on the right driving roller shaft 101a and transmission are arranged in institute State on torque transmission shaft 50 can be with the second transmission gear 61a of the first right gear 6a engaged transmission.In the right branch Right redundant mounting rack 15a is provided on support 1a, the right redundant mounting rack 15a is locked at the right support by screw 16a On frame 1.There is the structure as the left redundant mounting rack 15 in the right redundant mounting rack 15a, be again provided with hole axle The right mounting hole of line orthogonal first and the second right mounting hole, the first right gear 6a are rotatably arranged on described by bearing In first right control hole, the second transmission gear 61a is rotatably arranged in the described second right control hole by bearing, such institute The second transmission gear 61a is stated to be arranged in indirectly on the right support frame 1a.Pass through first left gear 6 and the first transmission gear 61, the engaged transmission between the second left gear 6a and the second transmission gear 61a substantially can be the torque transmission shaft 50 torque synchronously passes to the left driving roller 10, right driving roller 11, the left driving roller 10, right driving roller 11 consistent rotation linear velocities simultaneously can synchronously give material push power from arranged on left and right sides, greatly improve transmission speed Degree, precision.On this basis the torque transmission shaft 50, the left driving roller 10 or the right side can also be measured by setting The encoder of the angular displacement of driving roller 11 extrapolates the material under the promotion of the left driving roller 10 and right driving roller 11 The length being fed forward.
As shown in figure 11, Synchronous Transmission connects between the adjacent rollers (10,10a, 10b) in the left column idler wheel a on the left side It connects.Transmission gear (6a, 6b) is specifically respectively arranged in the shaft of the idler wheel (10a, 10b), in the shaft of idler wheel 10 Transmission gear 6e is additionally provided on 101, the transmission gear 6e is located at the top of first left gear 6.In the driving cog Be respectively arranged with intermediate drive gear (6c, 6d) between wheel (6a, 6b) and the transmission gear 6e, the gear (6a, 6b, 6c, 6d, 6e) synchro-meshing transmission connection.It is equally passed by gear synchronous between adjacent rollers in the right column idler wheel b on the right Dynamic connection, specific structure is identical as structure shown in Figure 11, is not repeated to discuss herein.In this way, whole idler wheels in left column idler wheel a All it is driving roller with whole idler wheels in right column idler wheel b, push power can be applied to material, total push that material is born is closed Power increases, and is conducive to further increase conveying speed.In addition, the consistent rotational line of whole idler wheels in left column idler wheel a The consistent rotation linear velocity of whole idler wheels in speed, right column idler wheel b, can further increase left column idler wheel a and the right side The delivery precision of column idler wheel b.Certainly in other implementations, a pair of of idler wheel can also only be arranged is driving roller.
In order to the left support frame 1, right support frame 1a relative movement when, the torque transmission shaft 50 still be able to The left driving roller 10, right driving roller 11 keep drive connection, further as shown in Figure 9 and Figure 10, the main driving Device 5 is arranged except the left support frame 1, right support frame 1a, and the setting of the master driver 5 described in this present embodiment is described outer On coaming plate 8.First transmission gear 61 is slided on the torque transmission shaft 50 by slide-bar hole thereon, and described second Transmission gear 61a is slided on the torque transmission shaft 50 by slide-bar hole thereon.First transmission gear 61, described Drive mechanism between two transmission gear 61a and the torque transmission shaft 50 be it is similar, below with first transmission gear It lays down a definition for drive mechanism between 61 and the torque transmission shaft 50.Axial prolong is provided on the torque transmission shaft 50 The groove 501 stretched, the axial extension of the groove 501 are not less than the axial skidding distance of first transmission gear 61, It is provided with the raised line 611 that can extend into the groove 501 on the hole wall of the slide-bar hole of first transmission gear 61, borrows The cooperation between the raised line 611 and the groove 501 is helped, first transmission gear 61 can be in the torque transmission shaft 50 On slide axially, and can by the torque synchronous transfer of the torque transmission shaft 50 give first left gear 6.Certainly at other Embodiment in can also be arranged between the slide-bar hole and the torque transmission shaft 50 of first transmission gear 61 it is flat Bond structure.In this way, the first transmission gear 61, the second driving cog described in when the left support frame 1, right support frame 1a relative movement Wheel 61a can slide axially on the torque transmission shaft 50 respectively and can distinguish the torque of the torque transmission shaft 50 Synchronous transfer gives the left driving roller 10, right driving roller 11.
In addition to this it is possible to using following transmission scheme:
The first transmission scheme: the master driver 5 is arranged in the left support frame 1, and the second transmission gear 61a passes through Slide-bar hole thereon slides on the torque transmission shaft 50, when the left support frame 1, right support frame 1a relative movement when described in Second transmission gear 61a can slide axially on the torque transmission shaft 50 and can be by the power of the torque transmission shaft 50 Square synchronous transfer gives the right driving roller 11.Wherein, between the second transmission gear 61a and the torque transmission shaft 50 Drive mechanism can use structure shown in Fig. 9, be not repeated to discuss herein.In this way, the second transmission gear 61a is with institute While stating right support frame 1a and move together, it still is able to pass the torque by the engaged transmission with the first right gear 6a The torque of moving axis 50, which synchronizes, passes to the right driving roller 11.
Second of transmission scheme: the master driver 5 is arranged in the left support frame 1 or is arranged in the left support Except frame 1, right support frame 1a, the torque transmission shaft 50 includes left torque transmission shaft and right torque transmission shaft, the left torque Transmission shaft driven connects the master driver 5, and the right torque transmission shaft slides on the left torque transmission shaft and can be same Step is driven the rotating torque of the left torque transmission shaft, and the transmission connection of the first transmission gear 61 is in the left torque transmission shaft On, the second transmission gear 61a transmission connection is on the right torque transmission shaft;When the left support frame 1, right support frame 1a When relative movement, the left torque transmission shaft and right torque transmission shaft can axially slide relative and can be by the main drivings The torque difference synchronous transfer of device 5 gives the left driving roller 10, right driving roller 11.Wherein, the left torque transmission shaft and Right torque transmission shaft is the axis body that can be transmitted rotating torque and can axially slide relative, and the drive mechanism between them can be with Using the drive mechanism between the first transmission gear 61 and the torque transmission shaft 50 described in above-mentioned transmission scheme, herein no longer Repetition repeats.

Claims (16)

1. the roller type feeding frame with synchronizing moving structure, including support frame and the idler wheel being rotatably arranged on support frame as described above Group, the roller group include the left column idler wheel and right column idler wheel of left and right arrangement, are arranged between the left column idler wheel, right column idler wheel Have storeroom that material can be allowed to pass through away from;It is characterized in that, support frame as described above includes the left and right left support frame split, right branch Support, the left column idler wheel in the roller group are rotatably arranged on respectively in the left support frame, and right column idler wheel rotates setting respectively In the right support frame;It further include chassis, the chassis includes sliding support rail, and the left support frame, right support frame are moved It is dynamic to be arranged on the sliding support rail;It further include positioning column, the positioning column is connected on the chassis and is located at the left side Between support frame, right support frame;Synchronizing device, the synchronizing device are additionally provided between the left support frame, right support frame It include the first, second transmission arm, first, second transmission arm is not only associated with the positioning column but also closes respectively simultaneously It is coupled to the left support frame or the right support frame, the positioning column and synchronizing device cooperation are applied not only to guarantee the left side Support frame, right support frame relatively synchronize it is close or gradually from, and for adjust the storeroom away from when determine the left column The position of center line remains unchanged between idler wheel and right column idler wheel.
2. roller type feeding frame according to claim 1, which is characterized in that the left column idler wheel, right column idler wheel idler wheel outside Left groove, the right groove of clamping material are separately provided on periphery, the left groove, right groove or so adaptation of facing each other are matched It sets.
3. roller type feeding frame according to claim 1, which is characterized in that it further include having removable drive, the mobile drive Dynamic device for drive the left support frame, right support frame relatively synchronize it is close or gradually from.
4. roller type feeding frame according to claim 3, which is characterized in that further include having a pair of positioning column, Yi Duisuo Synchronizing device is stated, a pair of positioning column, a pair of synchronizing device split the both sides before and after the chassis, the shifting respectively The output shaft of dynamic driver is connected in the right support frame, and the removable drive is for driving the right support frame mobile simultaneously It is mobile that the left support frame is drawn by the positioning column and synchronizing device cooperation.
5. roller type feeding frame according to claim 1, which is characterized in that further include a pair of guide rails, a pair of guide rail with It misplaces and is arranged on support frame as described above between the sliding support rail;One end of the guide rail is connected the left support frame or described In right support frame and the other end is slidably connected on another support frame or the guide rail be connected on the positioning column, The both ends of the guide rail extended from the both sides of the positioning column are slidably connected at the left support frame and the right branch respectively On support.
6. roller type feeding frame according to claim 1, which is characterized in that further include peripheral coaming plate and panel, the panel It is pressed against on the peripheral coaming plate, open portion is reserved on the panel, the periphery coaming plate is formed with the panel combination Accommodation space, support frame as described above are contained in the accommodation space, and the roller group is exposed to the opening portion.
7. described in any item roller type feeding framves according to claim 1~6, which is characterized in that further include master driver and transmission The torque transmission shaft of the master driver output shaft is connected, the torque transmission shaft does not extend only into where the left support frame Position and also extend into the right support frame;At least a pair of of idler wheel is driving roller, including left driving roller and right active rolling Wheel realizes transmission connection by Left Drive device between one of them left driving roller and the torque transmission shaft, one of them Transmission connection is realized by right transmission device between right driving roller and the torque transmission shaft.
8. roller type feeding frame according to claim 7, which is characterized in that the Left Drive device includes being arranged on the left side The first left gear in driving roller shaft and transmission be arranged on the torque transmission shaft can be with first left gear First transmission gear of engaged transmission, the right transmission device includes the first right tooth being arranged in the right driving roller shaft Wheel and transmission be arranged on the torque transmission shaft can be with the second transmission gear of first right gear engaged transmission, institute It states the first transmission gear to be arranged in the left support frame, second transmission gear is arranged in the right support frame.
9. roller type feeding frame according to claim 7, which is characterized in that whole idler wheels are all driving rollers, are located at the left side Left column idler wheel in adjacent rollers between Synchronous Transmission connection, it is synchronous between the adjacent rollers in the right column idler wheel on the right Transmission connection.
10. roller type feeding frame according to claim 9, which is characterized in that the adjacent left column idler wheel in left column idler wheel Between be connected by meshing transmission by gear synchronous, between the adjacent right column idler wheel in the right column idler wheel on the right by gear it is same Step is connected by meshing transmission.
11. the pipe cutting machine tool of the application any roller type feeding frame of claims 1 to 10, including the roller type feeding frame, It further include laser cutting assembly, the laser cutting assembly includes cutting laser head, and the laser head is described for cutting The material that roller type feeding frame is transmitted.
12. pipe cutting machine tool according to claim 11, which is characterized in that further include clamping device, the idler wheel is sent Material frame is used to the received processing tubing of institute being supplied to the clamping device;The clamping device is sent for clamping the idler wheel The material that material frame is sent to, the laser head are also used to cut material when the gripping means grips material.
13. pipe cutting machine tool according to claim 12, which is characterized in that the clamping device can rotate, described Roller type feeding frame is also used to when the clamping device rotates, and the roller type feeding frame can unclamp processing tubing;The clamping Device is also used to clamp the material that the roller type feeding frame is sent to and being capable of the driving material rotation in cutting;The laser Head is also used to cut off material when the clamping device drives material rotation.
14. pipe cutting machine tool according to claim 12 or 13 is sent on the roller type feeding frame or in the idler wheel Length of wires metering device is provided between material frame and the clamping device.
15. pipe cutting machine tool described in 1,12 or 13 according to claim 1, which is characterized in that conveying frame before further including, it is described Preceding conveying frame is located at the front of the roller type feeding frame, and the preceding conveying frame is used to provide processing pipe to the roller type feeding frame Material.
16. pipe cutting machine tool according to claim 15, which is characterized in that further include charging positioning device, it is described on Material positioning device is used for coming and reach the material of the roller type feeding frame for the first time to be positioned from the preceding conveying frame conveying.
CN201910320107.7A 2019-04-19 2019-04-19 Roller type feeding frame and pipe cutting machine tool with synchronizing moving structure Withdrawn CN109986217A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910320107.7A CN109986217A (en) 2019-04-19 2019-04-19 Roller type feeding frame and pipe cutting machine tool with synchronizing moving structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910320107.7A CN109986217A (en) 2019-04-19 2019-04-19 Roller type feeding frame and pipe cutting machine tool with synchronizing moving structure

Publications (1)

Publication Number Publication Date
CN109986217A true CN109986217A (en) 2019-07-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910320107.7A Withdrawn CN109986217A (en) 2019-04-19 2019-04-19 Roller type feeding frame and pipe cutting machine tool with synchronizing moving structure

Country Status (1)

Country Link
CN (1) CN109986217A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113650209A (en) * 2021-08-27 2021-11-16 南京欢颜包装有限公司 Heat-resistant PLA straw and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113650209A (en) * 2021-08-27 2021-11-16 南京欢颜包装有限公司 Heat-resistant PLA straw and preparation method thereof

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Application publication date: 20190709