CN103785894A - Clamping feeding device for full-automatic tailing-free steel tube cutting machine - Google Patents

Clamping feeding device for full-automatic tailing-free steel tube cutting machine Download PDF

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Publication number
CN103785894A
CN103785894A CN201410016753.1A CN201410016753A CN103785894A CN 103785894 A CN103785894 A CN 103785894A CN 201410016753 A CN201410016753 A CN 201410016753A CN 103785894 A CN103785894 A CN 103785894A
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CN
China
Prior art keywords
motor
pulling
grip slide
frame
steel pipe
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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.)
Pending
Application number
CN201410016753.1A
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Chinese (zh)
Inventor
林勇
钱少明
杨友东
宋士刚
丁述勇
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Zhijiang College of ZJUT
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Zhijiang College of ZJUT
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 Zhijiang College of ZJUT filed Critical Zhijiang College of ZJUT
Priority to CN201410016753.1A priority Critical patent/CN103785894A/en
Publication of CN103785894A publication Critical patent/CN103785894A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a clamping feeding device for a full-automatic tailing-free steel tube cutting machine. The clamping feeding device comprises a rack, wherein a material aligning device, a first material pushing device, a second material pushing device and a material receiving device are arranged on the rack; the first material pushing device is positioned below the material aligning device; the second material pushing device is positioned on the right side of the first material pushing device; and the material receiving device is positioned on the right side of the second material pushing device. When the clamping feeding device is used, a steel tube is placed in the material aligning device, the first material pushing device is placed on one side of the steel tube, the second material pushing device and the material receiving device are placed on the other side of the steel tube, the first material pushing device and the material receiving device are positioned on the same horizontal line, a cutting device is also fixed above the rack and is positioned between the second material pushing device and the material receiving device, and a limiting device is arranged between the second material pushing device and the cutting device. By using the clamping feeding device, the steel tube can be automatically clamped, fed and cut, labor is replaced by the device, tailing-free machining can be realized, and the production efficiency and the material utilization rate are greatly improved.

Description

One automatically clamps pay-off without tailing steel tube cutting machine
Technical field
The present invention relates to a kind of cutting mechanics, relate in particular to the one of producing for machine components and automatically clamp pay-off without tailing steel tube cutting machine.
Background technology
Steel pipe is a kind of widely used foundation class product, and it can, for delivery of fluid and powdery solid, manufacturing machine part and container, also can be used as the support of various parts.In the time applying as machine components, cutting is one important procedure essential in production process, but current steel tube cutting machine is take hand cut equipment and semi-automatic cutting equipment as main, this has also caused using steel pipe low as raw-material part manufacturing enterprise automatization level, has restricted the development of enterprise.So, in actual processing cutting process, be starved of a set of full automatic fixed-length cutting equipment, and can save material to greatest extent.Particularly general automatic steel tube cutting machine all has certain requirement to the parameter such as wall thickness, caliber of steel pipe, and final stage steel pipe cannot complete surface trimming still needs manual completing, and after final stage steel pipe hand cut completes, also have one section of tailing, caused waste.
The major defect of existing steel tube cutting machine is as follows:
1, use artificial loading, waste time and energy, production efficiency is low, and manual operation is random large, and the more difficult control of output, affects the arrangement of subsequent handling, is not suitable for cutting in enormous quantities;
2, use artificial loading, need the staff that skilled operation degree is high, not only employment cost is high, once and operate miss easily cause device damage, even there is personnel's industrial accident;
3, waste of material is comparatively serious.In the time adopting hand cut equipment, feed length and operating personnel have much relations, and not only cutting accuracy is difficult to be guaranteed, and has wasted material.And while adopting semi-automatic cutting equipment, guaranteed Cutting Length by feed arrangement self-feeding, but clout is more.This is that obviously, in the time carrying out last feeding, previous clamping and fixing device cannot be located steel tube clamping because steel pipe cutting time needs two ends to fix.
Summary of the invention
The object of the invention is to that and general final stage steel pipe not high for existing steel tube cutting machine automaticity all leaves tailing and the deficiency of wasting material, provide a kind of and automatically clamped pay-off without tailing steel tube cutting machine.
For achieving the above object, the present invention is achieved by the following technical solutions:
One automatically clamps pay-off without tailing steel tube cutting machine, comprise frame, neat materials device is installed in described frame, the first material-pulling device, the second material-pulling device and material-receiving device, described the first material-pulling device is positioned at the below of neat materials device, described the second material-pulling device is positioned at the right side of the first material-pulling device, described material-receiving device is positioned at the right side of the second material-pulling device, when use, steel pipe is placed in neat materials device, the first material-pulling device is placed in a side of steel pipe, the second material-pulling device and material-receiving device are all placed in the opposite side of steel pipe, and the first material-pulling device and material-receiving device are positioned on same level line, the top of described frame is also fixed with cutter sweep, described cutter sweep is between the second material-pulling device and material-receiving device, between described the second material-pulling device and cutter sweep, stopping means is installed.
Described neat materials device comprises rack-mounted the first motor, the second motor, expects datum plate and neat flitch together, contiguous the second material-pulling device of the first described motor, described neat material datum plate attaching nut is also installed on by screw pair on the first motor of frame, contiguous the first material-pulling device of the second described motor, described neat flitch attaching nut is also installed on the second motor by screw pair.When use, steel pipe is between neat material datum plate and neat flitch.
The first described material-pulling device comprises the 3rd motor, the 4th motor, the first grip slide and is fixed on several first clamp base that are parallel to each other in frame, described the first clamp base is positioned at the opposite side of the first grip slide, described the first grip slide attaching nut is also installed on the 3rd motor by screw pair, described the 3rd motor attaching nut being installed on by screw pair on the 4th motor of frame again.Steel pipe is positioned in the first clamp base, and steel pipe is the first grip slide with respect to the opposite side of the first clamp base.
The second described material-pulling device comprises the 5th motor, the 6th motor, the second grip slide and is fixed on several second clamp base that are parallel to each other in frame, described the second clamp base is positioned at the opposite side of the second grip slide, described the second grip slide attaching nut is also installed on the 6th motor by screw pair, described the 6th motor attaching nut being installed on by screw pair on the 5th motor of frame again.Steel pipe is multiple the second parallel clamp base with respect to a side of the reverse side of neat material datum plate, and steel pipe is the second grip slide with respect to the opposite side of the second clamp base.
Described cutter sweep comprises the 11 motor, the 4th clamping seats and the 4th grip slide that are fixed in frame, on the 11 described motor, saw blade motor is installed, described saw blade motor attaching nut is also arranged on the 11 motor by screw pair, and be connected with saw blade on the output shaft of saw blade motor; The 4th described clamping seats is positioned at the below of saw blade motor, the 4th described grip slide is positioned at the opposite side of the 4th clamping seats, and the 4th grip slide middle part is provided with groove, described cutter sweep also comprises the 8th motor being connected with the 4th grip slide, and the 4th grip slide attaching nut is also installed on by screw pair on the 8th motor of frame.
Described material-receiving device comprises the 9th motor, the tenth motor, the 3rd grip slide and is fixed on several the 3rd clamp base that are parallel to each other in frame, described the 3rd clamp base is positioned at the reverse side of saw blade and relative with the 3rd grip slide, described the 3rd grip slide attaching nut is also installed on the 9th motor by screw pair, described the 9th motor attaching nut being installed on by screw pair on the tenth motor of frame again.
Described stopping means comprises the 7th motor, and the middle part of described the 6th motor operation starting point is provided with positive stop, and described positive stop attaching nut is also installed on the 7th motor by screw pair.
Beneficial effect of the present invention is as follows:
1, can realize steel tube clamping, feeding and fixed length cutting, reduce labour intensity, raise labour productivity;
2, steel pipe cuts without tailing, has reduced to greatest extent waste of raw materials;
3, adopt mechanical scale locate mode, realize fixed length cutting, reliability is high, is applicable to producing in enormous quantities.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
In figure: 1 is the first motor, 2 is neat material datum plate, 3 is the second motor, 4 is the first clamp base, 5 is neat flitch, 6 is the first grip slide, 7 is the 3rd motor, 8 is steel pipe, 9 is frame, 10 is the 4th motor, 11 is the 5th motor, 12 is the 6th motor, 13 is positive stop, 14 is the 7th motor, 15 is the 8th motor, 16 is the 9th motor, 17 is the tenth motor, 18 is the second grip slide, 19 is the 3rd grip slide, 20 is saw blade, 21 is saw blade motor, 22 is the 11 motor, 23 is the second clamp base, 24 is the 3rd clamp base, 25 is the 4th clamp base, 26 is the 4th grip slide.
The specific embodiment
Below in conjunction with specific embodiment, the present invention is further illustrated, but protection scope of the present invention is not limited to this.
As shown in Figure 1, of the present invention full-automatic without tailing steel tube cutting machine clamping pay-off, comprise neat materials device, the first material-pulling device, the second material-pulling device, cutter sweep, material-receiving device, stopping means.Neat materials device is installed in frame 9, steel pipe 8 is placed among neat materials device, and be fixed with the first material-pulling device in the frame 9 of steel pipe 8 one sides, the second material-pulling device and material-receiving device are installed on the same level line of the opposite side of steel pipe 8 successively in frame 9, on upper methods, rack 9 between the second material-pulling device and material-receiving device, be also fixed with cutter sweep, the middle part of the second material-pulling device is provided with stopping means.
Neat materials device in the present invention comprises the first motor 1, expects datum plate 2, the second motor 3 and neat flitch 5 together; Steel pipe 8 is positioned at the middle part of neat material datum plate 2 and neat flitch 5, and steel pipe 8 has neat flitch 5 away from one end of cutter sweep, and neat flitch 5 attaching nuts are also installed on by screw pair on the second motor 3 that is fixed on frame 9; Steel pipe 8 has neat material datum plate 2 near one end of cutter sweep, expects together datum plate 2 attaching nuts and is installed on the first motor 1 that is fixed on frame 9 by screw pair.Therefore, after steel pipe 8 is by material loading, the first motor 1 drives neat material datum plate 2 to stretch out, and the rotation of the second motor 3 drives neat flitch 5 to move right, and neat flitch 5 drives steel pipe 8 to move right and aligns with neat material datum plate 2.So the stub bar after each root steel pipe 8 material loading all aligns with neat material datum plate 2.
The first material-pulling device in the present invention comprises the first clamp base 4, the first grip slide 6, the 3rd motor 7, the 4th motor 10; Multiple the first parallel clamp base 4 are fixed in frame 9, steel pipe 8 is positioned in the first clamp base 4, steel pipe 8 is provided with the first grip slide 6 with respect to the opposite side of the first clamp base 4, the first grip slide 6 attaching nuts are also installed on the 3rd motor 7 by screw pair, the 3rd motor 7 attaching nut being installed on the 4th motor 10 that is fixed on frame 9 by screw pair again.Therefore, after the stub bar alignment of steel pipe 8, the rotation of the 3rd motor 7 drives the movement of the first grip slide 6, and again because steel pipe 8 is between the first grip slide 6 and the first clamp base 4, therefore, steel pipe 8 is clamped by the first grip slide 6 and the first clamp base 4.And the initial position of the 3rd motor 7 is positioned at a side of steel pipe 8, and the 3rd motor 7 attaching nut being installed on by screw pair on the 4th motor 10 that is fixed on frame 9 again, therefore, the rotation of the 4th motor 10 drives the 3rd motor 7 and steel pipe 8 to move left and right, and displacement H equals to expect together that datum plate 2 adds that to the distance of saw blade 20 the stub bar width of estimating excision adds saw blade (20) thickness.
The second material-pulling device in the present invention comprises the 5th motor 11, the 6th motor 12, the second grip slide 18, the second clamp base 23; Steel pipe 8 is fixed with multiple the second parallel clamp base 23 with respect to a side of the reverse side of neat material datum plate 2, steel pipe 8 is provided with the second grip slide 18 with respect to the opposite side of the second clamp base 23, the second grip slide 18 attaching nuts are also installed on the 6th motor 12 by screw pair, the 6th motor 12 attaching nut being installed on the 5th motor 11 that is fixed on frame 9 by screw pair again.The second material-pulling device is positioned at the right side of steel pipe and the centre of cutter sweep, and after steel pipe 8 moves to this position and cuts away stub bar, the 6th motor 12 rotarily drives the second grip slide 18 and moves up, thereby together with the second clamp base 23, steel pipe 8 is clamped; Then the 5th motor 11 rotarily drives the 6th motor 12 and steel pipe 8 moves right, and displacement is part length L.
After one section of part has cut, the 6th motor 12 reverse rotations are unclamped steel pipe 8, the five motor 11 reverse rotations and are driven the 6th motor 12 and the second grip slide 18 to be moved to the left to extreme position; The 6th motor 12 rotates by the second grip slide 18 again steel pipe 8 is clamped, and the 5th motor 11 rotarily drives steel pipe 8 again and moves right, so circulation repeatedly, until second from the bottom section of pipe cutting 8.
Cutter sweep in the present invention comprises the 8th motor 15, the 4th clamp base 25, the 4th grip slide 26, saw blade 20, saw blade motor the 21, the 11 motor 22; The top of steel pipe 8 has the 11 motor 22 to be fixed in frame 9, and saw blade motor 21 attaching nuts are also installed on the 11 motor 22 by screw pair, and the output shaft of saw blade motor 21 is connected with saw blade 20; The 4th clamp base 25 separated in having between steel pipe 8 and saw blade motor 21 is fixed in frame 9, steel pipe 8 is installed reeded the 4th grip slide 26, the four grip slide 26 attaching nuts in middle part and is installed on the 8th motor 15 that is fixed on frame 9 by screw pair with respect to the opposite side of the 4th clamp base 25.Therefore,, in the time having steel pipe 8 to enter between the 4th grip slide 26 and the 4th clamp base 25, the 8th motor 15 rotarily drives the 4th grip slide 26 and moves up and jointly steel pipe 8 is clamped with the 4th clamp base 25; After steel pipe 8 is clamped, saw blade motor 21 drives saw blade 20 to rotate, the 11 motor 22 rotarily drive that saw blade motor 21 and saw blade 20 move downward and pipe cutting 8, the four grip slides 26 in the middle of fluted, therefore saw blade 20 cuts Shi Buhui the 4th grip slide 26 is destroyed.
Stopping means in the present invention comprises positive stop 13, the 7th motor 14; The 6th motor 12 moves initial and middle part terminating point to be had positive stop 13 attaching nuts and is installed on by screw pair on the 7th motor 14 that is fixed on frame 9, and the distance of positive stop 13 distance the 6th motor 12 terminating points is designated as N.
In the time that steel pipe 8 is only cut to surplus last two sections, the 7th motor 14 rotarily drives positive stop 13 and rises from, in the time that the 5th motor 11 rotarily drives the 6th motor 12 return, the 6th motor 12 is encountered positive stop 13, the 5th motor 11 stops the rotation, the 6th motor 12 stops continuing left to move and rotates and the second grip slide 18 moved upward steel pipe 8 is clamped, and then the 5th motor 11 rotarily drives the 6th motor 12 and steel pipe 8 moves right distance for N.
Material-receiving device in the present invention comprises the 9th motor 16, the tenth motor 17, the 3rd grip slide 19, the 3rd clamp base 24; Steel pipe 8 is fixed with multiple the 3rd parallel clamp base 24 with respect to a side of the reverse side of saw blade 20, steel pipe 8 is provided with the 3rd grip slide 19 with respect to the opposite side of the 3rd clamp base 24, the 3rd grip slide 19 attaching nuts are also installed on the 9th motor 16 by screw pair, the 9th motor 16 attaching nut being installed on the tenth motor 17 that is fixed on frame 9 by screw pair again.
In the time that steel pipe also remains second from the bottom section, steel pipe 8 is advanced N to the right by the second material-pulling device, now saw blade is not cut off, the 9th motor 16 of material-receiving device and the 3rd grip slide 19 be in high order end, and the 9th motor 16 rotarily drives that the 3rd grip slide 19 moves up and jointly steel pipe 8 clamped with the 3rd clamp base 24; The 6th motor 12 counter-rotates steel pipe 8 is unclamped, the tenth motor 17 rotarily drives the 9th motor 16, the 3rd grip slide 19 and steel pipe 8 and moves right, and displacement is the distance N that thickness that part length adds saw blade 20 cuts positive stop 13 distance the 6th motor 12 terminating points.
Therefore the length that remains last steel pipe 8 can guarantee the length into required heap part.
The present invention's whole cutting control flow is in use as follows:
1, material loading.Artificial or automatic by the position at steel pipe 8 material loading to the first clamp base 4 places.
2, expect together.The first motor 1 drives neat material datum plate 2 to stretch out, and the rotation of the second motor 3 drives neat flitch 5 to move right, and neat flitch 5 drives steel pipe 8 to move right and aligns with neat material datum plate 2.So the stub bar after each root steel pipe 8 material loading all aligns with neat material datum plate 2.
3, initial charge.The 4th motor 10 rotates and drives the 3rd motor 7, the first grip slide 6 and steel pipe 8 to move right, displacement H equals to expect together that datum plate 2 adds that to the distance of saw blade 20 the stub bar width of estimating excision adds saw blade 20 thickness, and saw blade 20 moves downward and pipe cutting 8.
4, circulation cutting.After first paragraph part has cut, the 6th motor 12 reverse rotations are unclamped steel pipe 8, the five motor 11 reverse rotations and are driven the 6th motor 12 and the second grip slide 18 to be moved to the left to extreme position; The 6th motor 12 rotates by the second grip slide 18 again steel pipe 8 is clamped, and the 5th motor 11 rotarily drives steel pipe 8 again and moves right, and saw blade 20 moves downward and pipe cutting 8, so circulation repeatedly, until second from the bottom section of pipe cutting 8.
5, tailing cutting.In the time that steel pipe 8 is only cut to surplus last two sections, the 7th motor 14 rotarily drives positive stop 13 and rises from, in the time that the 5th motor 11 rotarily drives the 6th motor 12 return, the 6th motor 12 is encountered positive stop 13, it is that the 6th motor 12 stops continuing operation left that the 5th motor 11 stops the rotation, and the 6th motor 12 rotation moves upward the second grip slide 18 steel pipe 8 is clamped, then the 5th motor 11 rotarily drives the 6th motor 12 and steel pipe 8 moves right; Now, the 9th motor 16 of material-receiving device and the 3rd grip slide 19 are in high order end, and the 9th motor 16 rotarily drives steel pipe 8 is clamped; The 6th motor 12 counter-rotates steel pipe 8 is unclamped, and the tenth motor 17 rotarily drives steel pipe 8 and moves right, and displacement is the distance that thickness that part length adds saw blade 20 cuts positive stop 13 distance the 6th motor 12 terminating points.
Therefore the length that remains last steel pipe 8 can guarantee the length into required heap part.
In the present invention, neat materials device aligns steel pipe 8 with neat material datum plate 2, the first material-pulling device carries out initial charge, the second material-pulling device carries out recycle feed, and steel pipe is cut with cutter sweep, when steel pipe cutting is also surplus two sections time, when the second material-pulling device rollback, encounter stopping means and again carry out feeding, material-receiving device is taken over material move certain distance, cutter sweep cuts, and remaining one section is also the length of part, is embodied as without tailing and cuts.The present invention can realize Automatic-clamping, feeding and the cutting of steel pipe, installs machines to replace manual labor, and can realize without tailing processing, has improved widely production efficiency and stock utilization.
Above-described embodiment is only for the inventive concept of the present invention of explaining, but not restriction to rights protection of the present invention, allly utilizes this design to carry out the change of unsubstantiality to the present invention, all should fall into protection scope of the present invention.

Claims (7)

1. one kind automatically clamps pay-off without tailing steel tube cutting machine, it is characterized in that: comprise frame, neat materials device is installed in described frame, the first material-pulling device, the second material-pulling device and material-receiving device, described the first material-pulling device is positioned at the below of neat materials device, described the second material-pulling device is positioned at the right side of the first material-pulling device, described material-receiving device is positioned at the right side of the second material-pulling device, when use, steel pipe is placed in neat materials device, the first material-pulling device is placed in a side of steel pipe, the second material-pulling device and material-receiving device are all placed in the opposite side of steel pipe, and the first material-pulling device and material-receiving device are positioned on same level line, the top of described frame is also fixed with cutter sweep, described cutter sweep is between the second material-pulling device and material-receiving device, between described the second material-pulling device and cutter sweep, stopping means is installed.
2. one as claimed in claim 1 automatically clamps pay-off without tailing steel tube cutting machine, it is characterized in that: described neat materials device comprises rack-mounted the first motor, the second motor, expects datum plate and neat flitch together, contiguous the second material-pulling device of the first described motor, described neat material datum plate attaching nut is also installed on by screw pair on the first motor of frame, contiguous the first material-pulling device of the second described motor, described neat flitch attaching nut is also installed on the second motor by screw pair.
3. one as claimed in claim 1 automatically clamps pay-off without tailing steel tube cutting machine, it is characterized in that: the first described material-pulling device comprises the 3rd motor, the 4th motor, the first grip slide and is fixed on several first clamp base that are parallel to each other in frame, described the first clamp base is positioned at the opposite side of the first grip slide, described the first grip slide attaching nut is also installed on the 3rd motor by screw pair, described the 3rd motor attaching nut being installed on by screw pair on the 4th motor of frame again.
4. one as claimed in claim 1 automatically clamps pay-off without tailing steel tube cutting machine, it is characterized in that: the second described material-pulling device comprises the 5th motor, the 6th motor, the second grip slide and is fixed on several second clamp base that are parallel to each other in frame, described the second clamp base is positioned at the opposite side of the second grip slide, described the second grip slide attaching nut is also installed on the 6th motor by screw pair, described the 6th motor attaching nut being installed on by screw pair on the 5th motor of frame again.
5. one as claimed in claim 1 automatically clamps pay-off without tailing steel tube cutting machine, it is characterized in that: described cutter sweep comprises the 11 motor, the 4th clamping seats and the 4th grip slide that are fixed in frame, on the 11 described motor, saw blade motor is installed, described saw blade motor attaching nut is also arranged on the 11 motor by screw pair, and be connected with saw blade on the output shaft of saw blade motor; The 4th described clamping seats is positioned at the below of saw blade motor, the 4th described grip slide is positioned at the opposite side of the 4th clamping seats, and the 4th grip slide middle part is provided with groove, described cutter sweep also comprises the 8th motor being connected with the 4th grip slide, and the 4th grip slide attaching nut is also installed on by screw pair on the 8th motor of frame.
6. one as claimed in claim 5 automatically clamps pay-off without tailing steel tube cutting machine, it is characterized in that: described material-receiving device comprises the 9th motor, the tenth motor, the 3rd grip slide and is fixed on several the 3rd clamp base that are parallel to each other in frame, described the 3rd clamp base is positioned at the reverse side of saw blade and relative with the 3rd grip slide, described the 3rd grip slide attaching nut is also installed on the 9th motor by screw pair, described the 9th motor attaching nut being installed on by screw pair on the tenth motor of frame again.
7. one as claimed in claim 4 automatically clamps pay-off without tailing steel tube cutting machine, it is characterized in that: described stopping means comprises the 7th motor, the middle part of described the 6th motor operation starting point is provided with positive stop, and described positive stop attaching nut is also installed on the 7th motor by screw pair.
CN201410016753.1A 2014-01-15 2014-01-15 Clamping feeding device for full-automatic tailing-free steel tube cutting machine Pending CN103785894A (en)

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Application Number Priority Date Filing Date Title
CN201410016753.1A CN103785894A (en) 2014-01-15 2014-01-15 Clamping feeding device for full-automatic tailing-free steel tube cutting machine

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Application Number Priority Date Filing Date Title
CN201410016753.1A CN103785894A (en) 2014-01-15 2014-01-15 Clamping feeding device for full-automatic tailing-free steel tube cutting machine

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Publication number Priority date Publication date Assignee Title
CN105397187A (en) * 2015-11-27 2016-03-16 张承森 Relay type fixed-length numerical control cutting sawing machine and cutting method
CN108581240A (en) * 2018-04-10 2018-09-28 上海柏楚电子科技股份有限公司 A kind of metal pipe material laser cutting is continuously drawn with hollow chuck expects compensation process
CN109093478A (en) * 2018-08-20 2018-12-28 张小敏 A kind of stainless steel tube truncation end face sharpening contracting equipment

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105397187A (en) * 2015-11-27 2016-03-16 张承森 Relay type fixed-length numerical control cutting sawing machine and cutting method
CN108581240A (en) * 2018-04-10 2018-09-28 上海柏楚电子科技股份有限公司 A kind of metal pipe material laser cutting is continuously drawn with hollow chuck expects compensation process
CN109093478A (en) * 2018-08-20 2018-12-28 张小敏 A kind of stainless steel tube truncation end face sharpening contracting equipment

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Application publication date: 20140514