CN105562817A - Automatic cutting device of multi-connected pipe fittings - Google Patents
Automatic cutting device of multi-connected pipe fittings Download PDFInfo
- Publication number
- CN105562817A CN105562817A CN201610097710.XA CN201610097710A CN105562817A CN 105562817 A CN105562817 A CN 105562817A CN 201610097710 A CN201610097710 A CN 201610097710A CN 105562817 A CN105562817 A CN 105562817A
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- Prior art keywords
- concatemer
- mold
- pipe fitting
- cutting device
- cutting
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Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 100
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 108091028732 Concatemer Proteins 0.000 claims description 56
- 230000003028 elevating effect Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 239000012530 fluid Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 210000002445 nipple Anatomy 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D45/00—Sawing machines or sawing devices with circular saw blades or with friction saw discs
- B23D45/12—Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade for cutting tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D45/00—Sawing machines or sawing devices with circular saw blades or with friction saw discs
- B23D45/10—Sawing machines or sawing devices with circular saw blades or with friction saw discs with a plurality of circular saw blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D47/00—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
- B23D47/04—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of devices for feeding, positioning, clamping, or rotating work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D59/00—Accessories specially designed for sawing machines or sawing devices
- B23D59/001—Measuring or control devices, e.g. for automatic control of work feed pressure on band saw blade
- B23D59/002—Measuring or control devices, e.g. for automatic control of work feed pressure on band saw blade for the position of the saw blade
Abstract
The invention discloses an automatic cutting device of multi-connected pipe fittings. The automatic cutting device comprises two saw blade cutters, multi-connected elbow cutting molds and a controller; a mold movement adjusting mechanism is arranged at the bottom of each multi-connected elbow cutting mold; the saw blade cutters and the mold movement adjusting mechanisms are in signal connection with the controller; and each multi-connected elbow cutting mold is provided with an automatic opening/closing and unloading mechanism. The cutting device can realize full-automatic cutting of the multi-connected elbow pipe fittings, greatly improves the cutting production efficiency, saves the manpower, reduces the equipment and building investment, and reduces the production cost.
Description
Technical field
The present invention relates to pipe fitting processing technique field, be specifically related to a kind of concatemer pipe fitting automatic cutting device.
Background technology
Along with progress and the expanding economy of society, fluid line is widely used in every field, its consumption can be rated as basic part, the elbow consumption as fluid line connecting portion is also increasing, imbalance between supply and demand is more and more outstanding, enhances productivity and becomes industry problem demanding prompt solution.The structure of pipeline connecting bend is generally divided into weld ell and shaping elbow, and straight tube material is normally first cut into inclined-plane pipe nipple by the angle of elbow by weld ell, then by two or more pipe nipple docking welding fabrication; And shaping elbow is generally straight tube or straight tube pipe nipple are bent on forcing press or mechanical bend on bending machine, then by two ends excision forming.Traditional elbow-making method is generally that single-piece is bending, single-piece cutting, and is with lathe tool or single blade cutting on lathe or cutting equipment, and every part elbow needs No. 2 clampings, cuttings just can complete, and therefore production efficiency is very low.Meanwhile, because the angle on various elbow ends inclined-plane is had nothing in common with each other, so need first to cut one end, after batch has cut, then the pieces clamping cutting other end.These methods not only clamping difficulty are large, time-consuming bothersome, and need to take a large amount of people's force-summing devices, and production efficiency is low, cost is high, and quality not easily ensures, can not adapt to large-scale industrial production.Have elbow duplex, concatemer pressure molding technique at present, namely a how curved pressure forming of straight tube, makes elbow concatemer structure, but cutting still adopts above-mentioned single saw blade cutting mode, has a strong impact on the raising of production efficiency.Up to now, these problems are solved not yet preferably.
Summary of the invention
Problem to be solved by this invention is the above-mentioned deficiency overcoming prior art, a kind of concatemer pipe fitting automatic cutting device is provided, this device can adapt to the fly-cutting of concatemer elbow material, and realizes automation cutting, and production efficiency and product quality are increased substantially.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of concatemer pipe fitting automatic cutting device, comprises 2 saw blade cutting machines, concatemer bended head cutting mold and controller.
Arrange mold movement guiding mechanism bottom described concatemer bended head cutting mold, saw blade cutting machine is connected with controller signals with mold movement guiding mechanism.
Described saw blade cutting machine comprises support, column and cursor, arrange angle of saw blade guiding mechanism between cursor and column, cursor one end installs with column and is connected, and the other end arranges rotary-cut head, rotary-cut head is connected with cursor by elevating mechanism, and rotary-cut head arranges rotary-cut saw blade.
Bottom described support, cutting machine is set and moves governor motion, this cutting machine moves governor motion and has slide, slide is connected with the slide arranged bottom described support by slide rail, described two foundation of incision machine are connected with positive and negative screw by screw mandrel, and screw mandrel one end is connected with the servomotor I be connected with described controller signals.
Bottom described slide, longitudinal movement rail is set.
The passive gear ring that described angle of saw blade guiding mechanism comprises driving gear and is engaged with, passive gear ring is fixedly connected with described column, driving gear to be installed with described cursor by axle and is connected, and in axle, top is connected with the servomotor II be connected with described controller signals.
Described mold movement guiding mechanism comprises sliding seat and mold base, and mold base is connected with sliding seat by shifting sledge, and sliding seat is connected with the servomotor III be connected with described controller signals by screw mandrel.
Described concatemer bended head cutting mold is fastened by upper die and lower die and forms, upper die and lower die are connected through the hinge, concatemer bended head cutting mold arranges automatic open-close, shedding mechanism, this automatic open-close, shedding mechanism comprise counterdie alignment pin and elevate a turnable ladder cylinder, counterdie alignment pin is fixedly connected with described counterdie, its external part is flexibly connected with the bearing be arranged on described sliding seat, elevate a turnable ladder cylinder is articulated and connected by connecting plate and sliding seat, its telescopic end is hinged with the bolt being arranged on described patrix one end, and elevate a turnable ladder cylinder is connected with described controller signals.
Described sliding seat is arranged splicing groove.
Described concatemer bended head cutting mold is 2 pairs.
The invention has the beneficial effects as follows:
1) concatemer pipe fitting automatic cutting device of the present invention adopts the two saw blade of two-shipper automatically to cut concatemer bend pipe tools, and increased substantially cutting production efficiency, compared with prior art, production efficiency improves more than 30 times.And due to the raising of production efficiency, greatly save manpower, operative employee can reduce more than 80%, and equipment and construction investment also can be reduced accordingly, the corresponding reduction of production cost.
2) in the present invention, the operation of each parts all has controller automatically to regulate, and make it obtain well controlling accurately, therefore elbow excision forming quality can be ensured reliably.
3) device of the present invention is easy and simple to handle, greatly can reduce operating personnel's industrial grade demand, reduce labor intensity, and saves cost of labor.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of saw blade cutting machine in Fig. 1;
Fig. 3 is the structural representation that in embodiment two, cutting machine moves governor motion;
Fig. 4 is the structural representation that in embodiment two, concatemer bended head cutting mold arranges automatic open-close, shedding mechanism.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention will be further described.
Embodiment one
As shown in Figure 1 and Figure 2, concatemer pipe fitting automatic cutting device of the present invention, concatemer pipe fitting automatic cutting device, comprise 2 saw blade cutting machines, concatemer bended head cutting mold 4 and controller 9, arrange mold movement guiding mechanism bottom described concatemer bended head cutting mold 4, saw blade cutting machine is connected with controller 9 signal with mold movement guiding mechanism.Described saw blade cutting machine comprises support 23, column 10, pallet 20 and cursor 11, angle of saw blade guiding mechanism 12 is set between cursor 11 and column 10, cursor 11 one end installs with column 10 and is connected, the other end arranges rotary-cut head, rotary-cut head is connected with cursor 11 by elevating mechanism, and rotary-cut head arranges rotary-cut saw blade 22.Described elevating mechanism comprises lifting fluid cylinder 14, and lifting fluid cylinder 14 is arranged on cursor 11, and its telescopic end is connected with rotary-cut head by connecting rod 18.Rotary-cut head comprises Connection Block 21, turn motor 17 and right angle gear box 15, and rotary-cut saw blade 22 is connected with the output of right angle gear box 15.
The passive gear ring 12-1 that described angle of saw blade guiding mechanism 12 comprises housing 12-3, driving gear 12-2 and is engaged with, passive gear ring 12-1 is fixedly connected with described column 10, driving gear 12-2 to be installed with described cursor 11 by axle and is connected, in axle, top is connected with the servomotor II 13 be connected with described controller 9 signal, and servomotor II 13 arranges decelerator 19.
Described mold movement guiding mechanism comprises table rest 1, sliding seat 3 and mold base 2, mold base 2 is connected with sliding seat 3 by shifting sledge 5, sliding seat 3 is connected with the servomotor III 7 be connected with described controller 9 signal by screw mandrel 8, servomotor III 7 is installed with sliding seat 3 by connecting plate 6 and is connected.
Concatemer pipe fitting automatic cutting device of the present invention in use, can by permission program and the angle as saw blade, mold movement spacing, and action parameters such as to bide one's time in each portion imports controller 9, under the automatic control of controller 9, automatically the angle of saw blade is adjusted by servomotor II 13, and automatically start lifting fluid cylinder 14, turn motor 17 pairs of concatemer elbows cut, after pair of notches completes cutting, servomotor III 7 starts automatically, make mould move forward to time cutting knife groove 4-4(see Fig. 4) top, secondary pair of notches is cut, by that analogy, complete the cutting of a concatemer pipe fitting.Then operating personnel can open the pipe fitting that concatemer bended head cutting mold 4 takes off excision forming, put into a concatemer pipe fitting to be cut again, concatemer of closing bended head cutting mold 4, servomotor III 7 is auto-reverse, mould is moved, by cutting to backhaul direction.In batch cutting process, operating personnel only need take out excision forming pipe fitting, put into concatemer pipe fitting to be cut, and all the other actions all have controller automatically to control, fast very convenient.Meanwhile, because the distance of mould movement at every turn controls by controller, automatically therefore, it is possible to reliably ensure the cut quality of pipe fitting.
Embodiment two
Composition graphs 1, Fig. 2 are referring to Fig. 3 Fig. 4, the concatemer pipe fitting automatic cutting device of present embodiment, concatemer pipe fitting automatic cutting device, comprise 2 saw blade cutting machines, concatemer bended head cutting mold 4 and controller 9, arrange mold movement guiding mechanism bottom described concatemer bended head cutting mold 4, saw blade cutting machine is connected with controller 9 signal with mold movement guiding mechanism.Described saw blade cutting machine comprises support 23, column 10, pallet 20 and cursor 11, angle of saw blade guiding mechanism is set between cursor 11 and column 10, cursor 11 one end installs with column 10 and is connected, the other end arranges rotary-cut head, rotary-cut head is connected with cursor 11 by elevating mechanism, and rotary-cut head arranges rotary-cut saw blade 22.Described elevating mechanism comprises lifting fluid cylinder 14, and lifting fluid cylinder 14 is arranged on cursor 11, and its telescopic end is connected with rotary-cut head by connecting rod.Rotary-cut head comprises Connection Block 21, turn motor 17 and right angle gear box 15, and rotary-cut saw blade 22 is connected with the output of right angle gear box 15.
The passive gear ring 12-1 that described angle of saw blade guiding mechanism comprises housing 12-3, driving gear 12-2 and is engaged with, passive gear ring 12-1 is fixedly connected with described column 10, driving gear 12-2 to be installed with described cursor 11 by axle and is connected, in axle, top is connected with the servomotor II 13 be connected with described controller 9 signal, servomotor II 13 decelerator 19.
Described mold movement guiding mechanism comprises sliding seat 3 and mold base 2, and mold base 2 is connected with sliding seat 3 by shifting sledge 5, and sliding seat 3 is connected with the servomotor III 7 be connected with described controller 9 signal by screw mandrel 8.
When cutting the concatemer pipe fitting of different model specification, often need the plan-position adjusting rotary-cut saw blade 22, for addressing this problem, cutting machine can be set in the bottom of support 23 and move governor motion, this cutting machine moves governor motion and has slide 24, slide 24 top arranges slide rail 24-1, and the bottom of two cutting machine supports 23 arranges chute respectively, and slide rail 24-1 is connected with slide.Two cutting machine supports 23 are connected with screw mandrel 27 by positive and negative screw, and screw mandrel 27 one end is connected with believes No. 9 servomotors be connected I 26 with described controller.When controller 9 control screw mandrel 27 rotate time, two saw blade cutting machines then in opposite directions or rightabout move, adjust the adjustment of the spacing of two rotary-cut saw blades 22 with this.Also can 1-2 longitudinal movement rail 28 be set bottom 24 slides, so that the vertically moving of two saw blade cutting machines, realizes the accurate corresponding of rotary-cut saw blade 22 and incision site.
Concatemer bended head cutting mold 4 in the present invention is fastened by patrix 4-1 and counterdie 4-2 and forms, patrix 4-1 is connected by hinge 35 with counterdie 4-2, the cutting knife groove 4-4. that patrix 4-1 and counterdie 4-2 is provided with position corresponding arranges automatic open-close on concatemer bended head cutting mold 4, shedding mechanism, this automatic open-close, shedding mechanism comprises counterdie alignment pin 29 and elevate a turnable ladder cylinder 32, counterdie alignment pin 29 is fixedly connected with counterdie 4-2, its external part is flexibly connected with the bearing 30 be arranged on described sliding seat 3 upper surface, elevate a turnable ladder cylinder 32 is articulated and connected by connecting plate 31 and sliding seat 3, its telescopic end is hinged with the bolt 34 being arranged on described patrix one end.Damage to prevent the workpiece after cutting from knocking to draw, sliding seat 3 arranges splicing groove 3-1, and certainly, splicing groove 3-1 cross section is preferably set to arc, makes the workpiece after cutting slowly slip into splicing groove 3-1.Elevate a turnable ladder cylinder 32 can be connected with controller 9 signal, controls its automatic telescopic by controller 9.
When concatemer pipe fitting automatic cutting device runs, when the concatemer pipe fitting in concatemer bended head cutting mold 4 has cut, and after moving apart cutting work station, have controller 9 to control elevate a turnable ladder cylinder 32 to start, patrix 4-1 backs down by elevate a turnable ladder cylinder 32 telescopic end, counterdie 4-2 is driven by hinge 35 and overturns around counterdie alignment pin 29 simultaneously, and elevate a turnable ladder cylinder 32 continues elevate a turnable ladder, the workpiece after cutting can be poured in splicing groove 4-1.Then elevate a turnable ladder cylinder 32 falls after rise, when counterdie 4-2 is about to set level, a secondary concatemer pipe fitting can be put into die cavity 4-3 by (now elevate a turnable ladder cylinder 32 also can arrange of short duration biding one's time) operative employee, elevate a turnable ladder cylinder 32 continues retraction, then patrix 4-1 naturally closely fastens under the pulling of elevate a turnable ladder cylinder 32, and concatemer bended head cutting mold 4 can cut with sliding seat 3 backhaul.Due to the positioning action of counterdie alignment pin 29, make concatemer bended head cutting mold 4 be in original position all the time, therefore reliably can ensure the cut quality of normal operation and the workpiece cut.
Concatemer bended head cutting mold can be set to 2 pairs, and the concatemer pipe fitting in a pair cuts, and another pair is carried out the discharging of cutting pipes and compiled, and improves cutting operation efficiency further.
Although illustrate above preferred embodiment of the present invention and describe, so that principle of the present invention and application to be described, should be appreciated that, the present invention otherwise can realize on the basis of not departing from these principles.
Claims (10)
1. a concatemer pipe fitting automatic cutting device, is characterized in that: comprise 2 saw blade cutting machines, concatemer bended head cutting mold and controller.
2. concatemer pipe fitting automatic cutting device as claimed in claim 1, is characterized in that: arrange mold movement guiding mechanism bottom described concatemer bended head cutting mold, saw blade cutting machine is connected with controller signals with mold movement guiding mechanism.
3. concatemer pipe fitting automatic cutting device as claimed in claim 1 or 2, it is characterized in that: described saw blade cutting machine comprises support, column and cursor, angle of saw blade guiding mechanism is set between cursor and column, cursor one end installs with column and is connected, the other end arranges rotary-cut head, rotary-cut head is connected with cursor by elevating mechanism, and rotary-cut head arranges rotary-cut saw blade.
4. concatemer pipe fitting automatic cutting device as claimed in claim 3, it is characterized in that: bottom described support, cutting machine is set and moves governor motion, this cutting machine moves governor motion and has slide, slide is connected with the slide arranged bottom described support by slide rail, described two foundation of incision machine are connected with positive and negative screw by screw mandrel, and screw mandrel one end is connected with the servomotor I be connected with described controller signals.
5. concatemer pipe fitting automatic cutting device as claimed in claim 4, is characterized in that: arrange longitudinal movement rail bottom described slide.
6. concatemer pipe fitting automatic cutting device as claimed in claim 3, it is characterized in that: the passive gear ring that described angle of saw blade guiding mechanism comprises driving gear and is engaged with, passive gear ring is fixedly connected with described column, driving gear to be installed with described cursor by axle and is connected, and in axle, top is connected with the servomotor II be connected with described controller signals.
7. concatemer pipe fitting automatic cutting device as claimed in claim 2, it is characterized in that: described mold movement guiding mechanism comprises sliding seat and mold base, mold base is connected with sliding seat by shifting sledge, and sliding seat is connected with the servomotor be connected with described controller signals by screw mandrel.
8. the concatemer pipe fitting automatic cutting device as described in claim 1 or 7, it is characterized in that: described concatemer bended head cutting mold is fastened by upper die and lower die and forms, upper die and lower die are connected through the hinge, concatemer bended head cutting mold arranges automatic open-close, shedding mechanism, this automatic open-close, shedding mechanism comprises counterdie alignment pin and elevate a turnable ladder cylinder, counterdie alignment pin is fixedly connected with described counterdie, its external part is flexibly connected with the bearing be arranged on described sliding seat, elevate a turnable ladder cylinder is articulated and connected by connecting plate and sliding seat, its telescopic end is hinged with the bolt being arranged on described patrix one end, elevate a turnable ladder cylinder is connected with described controller signals.
9. concatemer pipe fitting automatic cutting device as claimed in claim 7 or 8, is characterized in that: described sliding seat is arranged splicing groove.
10. concatemer pipe fitting automatic cutting device as claimed in claim 8, is characterized in that: described concatemer bended head cutting mold is 2 pairs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610097710.XA CN105562817A (en) | 2016-02-23 | 2016-02-23 | Automatic cutting device of multi-connected pipe fittings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610097710.XA CN105562817A (en) | 2016-02-23 | 2016-02-23 | Automatic cutting device of multi-connected pipe fittings |
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| Publication Number | Publication Date |
|---|---|
| CN105562817A true CN105562817A (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610097710.XA Pending CN105562817A (en) | 2016-02-23 | 2016-02-23 | Automatic cutting device of multi-connected pipe fittings |
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| Country | Link |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105945633A (en) * | 2016-06-28 | 2016-09-21 | 王朝永 | Elbow cutting blank feeding device |
| CN106041320A (en) * | 2016-06-28 | 2016-10-26 | 王朝永 | Bend cutting device |
| CN108907337A (en) * | 2018-07-18 | 2018-11-30 | 翟秋朗 | A kind of Profile cut-off machine |
| CN109623029A (en) * | 2018-12-25 | 2019-04-16 | 宁波宁杭机械有限公司 | The multiple-azimuth automobile accessory cutting equipment adjusted by a plurality of guide rail line |
| CN110815593A (en) * | 2019-11-13 | 2020-02-21 | 刘海元 | Glass processing cutting device |
| CN111283268A (en) * | 2020-03-21 | 2020-06-16 | 厦门市明宝不锈钢制品有限公司 | Cutting device for bent pipe |
| CN113118541A (en) * | 2021-04-13 | 2021-07-16 | 江苏华阳管业股份有限公司 | Elbow production line and manufacturing method of elbow |
| CN113996857A (en) * | 2021-11-29 | 2022-02-01 | 山东交通学院 | Automatic pipe cutting device and pipeline cutting method |
| CN114012439A (en) * | 2021-11-15 | 2022-02-08 | 宜昌东阳建设工程有限公司 | Building roof steel construction welding construction device |
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| CN205571569U (en) * | 2016-02-23 | 2016-09-14 | 王朝永 | Concatemer pipe fitting automatic cutting device |
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| DE3630908A1 (en) * | 1986-09-11 | 1988-03-24 | Bernhard Kreye | Double-mitre sawing apparatus for cutting profiles to size |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105945633A (en) * | 2016-06-28 | 2016-09-21 | 王朝永 | Elbow cutting blank feeding device |
| CN106041320A (en) * | 2016-06-28 | 2016-10-26 | 王朝永 | Bend cutting device |
| CN105945633B (en) * | 2016-06-28 | 2018-02-23 | 王朝永 | A kind of elbow cutting blank feed arrangement |
| CN108907337A (en) * | 2018-07-18 | 2018-11-30 | 翟秋朗 | A kind of Profile cut-off machine |
| CN109623029A (en) * | 2018-12-25 | 2019-04-16 | 宁波宁杭机械有限公司 | The multiple-azimuth automobile accessory cutting equipment adjusted by a plurality of guide rail line |
| CN110815593A (en) * | 2019-11-13 | 2020-02-21 | 刘海元 | Glass processing cutting device |
| CN111283268A (en) * | 2020-03-21 | 2020-06-16 | 厦门市明宝不锈钢制品有限公司 | Cutting device for bent pipe |
| CN113118541A (en) * | 2021-04-13 | 2021-07-16 | 江苏华阳管业股份有限公司 | Elbow production line and manufacturing method of elbow |
| CN114012439A (en) * | 2021-11-15 | 2022-02-08 | 宜昌东阳建设工程有限公司 | Building roof steel construction welding construction device |
| CN114012439B (en) * | 2021-11-15 | 2022-07-15 | 宜昌东阳建设工程有限公司 | Building roof steel construction welding construction device |
| CN113996857A (en) * | 2021-11-29 | 2022-02-01 | 山东交通学院 | Automatic pipe cutting device and pipeline cutting method |
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