CN102554948B - PVC (polyvinyl chloride) pipe chipless cutting mechanism in combined transmission of gears, turntable and bearing and cutting machine - Google Patents
PVC (polyvinyl chloride) pipe chipless cutting mechanism in combined transmission of gears, turntable and bearing and cutting machine Download PDFInfo
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- CN102554948B CN102554948B CN201210024003.XA CN201210024003A CN102554948B CN 102554948 B CN102554948 B CN 102554948B CN 201210024003 A CN201210024003 A CN 201210024003A CN 102554948 B CN102554948 B CN 102554948B
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Abstract
The invention relates to the field of production of plastics, in particular to a PVC (polyvinyl chloride) pipe chipless cutting mechanism in combined transmission of gears, a turntable and a bearing. The PVC pipe chipless cutting mechanism comprises the turntable, a motor, a driving gear and a cutting unit. The cutting unit consists of roller dovetail mounting plates, a roller bearing frame, a clamping wheel component, a bearing frame mounting plate, an input shaft gear, a cutter component, a blade bearing frame and a cutting feed lead screw, a fixed gear is meshed with the input shaft gear, the input shaft gear is connected with the cutting feed lead screw, the cutting feed lead screw is arranged vertically, the bearing frame mounting plate is horizontally fixedly arranged at the lower end of the cutting feed lead screw, the blade bearing frame is disposed on one side of the bearing frame mounting plate, the roller bearing frame is arranged on the other side of the bearing frame mounting plate, both the blade bearing frame and the roller bearing frame are provided with sliding plate grooves, and each sliding plate groove consists of an oblique groove section and a straight groove section which are communicated with each other. The cutting mechanism is simple in structure, can realize rolling depression for an arched flash at a joint-cutting position while cutting, and guarantees the quality of notches.
Description
Technical field
The present invention relates to plastics-production field, particularly a kind of gear turntable bearing combination transmission pvc pipe material Chipless cutting machine structure and cutting machine.
Background technology
Home and abroad Chipless cutting machine is all the cutting being applied to plastic polyethylene (PE), 3 third polyethylene (PPR) tubing conventionally at present, it is that saw blade cuts and produces in cutting process a large amount of dust, collects difficulty and environment and healthy generation of site operation personnel are endangered that polyvinyl chloride (Polyvinylchloride, PVC) tubing adopts the method for cutting conventionally.Traditional chipless cutting kind of drive: the one, the turntable rotation of installation cutting delivering gear is completed by the transmission of driven by motor belt pulley, cut depth of cut (cutting poling footpath maximum ga(u)ge) simultaneously and be by the air cylinder driven with damping function be arranged on pulley, skateboards slot (guaranteeing depth of cut scope) mechanism's upper cutter completes, the action of whole cutting process by two separately independent agency synthesized, complex structure, part manufacture that precision prescribed is high, manufacture assembly difficulty is large, operation adjustment is difficult, and machine cost is high; The 2nd, cylinder feed, collar plate shape blade use in cutting, it is high that cutting blade is manufactured difficulty (special blade) cost, during cutting, stressed size is difficult to control, blade material, hardness, the requirement of thickness angles of edges is very high, blade easily damages, substituting poor.
Meanwhile, cutting clamp mechanism clamps with aluminum Hough clamp; Production of machinery caliber specification limit is many, often draw a kind of standard caliber will transducer set clamp, clamp aluminium expensive and be foundry goods, most for nonstandard caliber, to do that wooden model, production cycle are long, labor intensive man-hour is many, manufacturing cost is high; Change clamp trouble time-consuming.
Pvc pipe material in use, when pipeline connects, coordinate with pipe fitting is that while allowing tubing cutting, the mouth of pipe does not leave burr, and chipless to cut maximum drawback be that (chipless cutting is not remove, by the plastic deformation of material, material is cut off) can squeeze the mouth of pipe some overlaps while having certain thickness (blade strength needs) incision tubing due to cutting blade in cutting process and exceed Trail outside tubing, this is unallowed when caliber connects.
Summary of the invention
The invention provides a kind of gear turntable bearing combination transmission pvc pipe material Chipless cutting machine structure and cutting machine, to solve prior art, have cutting mechanism complex structure, during cutting, easily cause the technical problem of burr.
The technical scheme adopting is as follows:
A kind of gear turntable bearing combination transmission pvc pipe material Chipless cutting machine structure, comprise rotating disk, motor and cutter unit, described rotating disk is provided with disk gear, fixed gear is also installed on rotating disk, described disk gear drives rotation by motor, thereby drive fixed gear to rotate thereupon, described cutter unit adopts the crane with cutter, this crane is arranged on rotating disk, and mesh by input shaft gear and fixed gear, by the rotation of fixed gear, drive the rotation of input shaft gear, thereby drive moving up and down of crane to realize the tool backlash movement that enters of cutter.
Further, the bottom of described crane is roughly symmetrically arranged with cutter and pinch roller, and the joint-cutting center of cutter is aimed at the center of described pinch roller.
Further, described crane comprises roller dovetail installing plate, roller shaft bolster, pinch roller assembly, bearing bracket stand installing plate, input shaft gear, blade shaft bolster and feed screw mandrel, described input shaft gear is connected with feed screw mandrel, feed screw mandrel vertically arranges, in feed screw mandrel lower end, level is fixedly installed bearing bracket stand installing plate, one side of bearing bracket stand installing plate arranges blade shaft bolster, and the opposite side of bearing bracket stand installing plate arranges roller shaft bolster, and blade shaft bolster and roller shaft bolster are equipped with skateboards slot;
Roller dovetail installing plate is two, is horizontally set on the left and right sides of crane bottom:
On the roller dovetail installing plate of one side, arranging can be along the cutter assembly of roller dovetail installing plate horizontal slip, and described cutter assembly is with a pulley, and inserts in the cutting sliding plate groove of blade shaft bolster;
On the roller dovetail installing plate of opposite side, arranging can be along the pinch roller assembly of roller dovetail installing plate horizontal slip, in the pinch roller skateboards slot of described pinch roller assembly with a pulley and insertion roller shaft bolster.
Further,, described cutting sliding plate groove and pinch roller skateboards slot include chute section and the straight trough section being interconnected.
Further, the gradient segment length of the gradient section specific pressure skidding board slot of described cutting sliding plate groove.Skewed slot segment length due to the chute section specific pressure skidding board slot of cutting sliding plate groove, therefore,, in pinch roller assembly feed-disabling, cutter assembly also continues feeding, guarantee that cutting time cutter assembly can go deep into, and pinch roller assembly be just outside path position carry out roll extrusion.Therefore just realize in cutting process the tubing protruding overlap that is squeezed and flattened (there being plastic deformation situation) under pinch roller (joint-cutting center is aimed at certain pressure and pinch roller center) roll extrusion, made caliber smooth outer surface, smooth, completed cutting action.
Further, described crane also comprises that blade shaft bolster regulates screw mandrel and pinch roller assembly to regulate screw mandrel, and blade shaft bolster regulates screw mandrel to be connected with blade shaft bolster, and pinch roller assembly regulates screw mandrel to be connected with roller shaft bolster.
A kind of gear turntable bearing combination transmission pvc pipe material Chipless cutting machine, comprise above-mentioned gear turntable bearing combination transmission pvc pipe material Chipless cutting machine structure, and servo follower, supporting mechanism, clamping cylinder and frame, described servo follower, supporting mechanism, gear turntable bearing combination transmission pvc pipe material Chipless cutting machine structure and clamping cylinder are successively set in frame, in described gear turntable bearing combination transmission pvc pipe material Chipless cutting machine structure both sides, left clamp mechanism and right clamp mechanism are set respectively.
Further, described left clamp mechanism and right clamp mechanism are reducing multiple spot clamping mechanism.
Further, the clamp pinch piece of described left clamp mechanism and right clamp mechanism is rectangle
Further, the clamp pinch piece of described left clamp mechanism and right clamp mechanism is provided with one deck rubber slab.
Cutting mechanism of the present invention is simple in structure, while cut in cutting, joint-cutting is in to the overlap arching upward simultaneously and carries out roll extrusion, guarantees kerf quality.The machine that cutting is reliable, caliber specification limit is large, clamping adapts to the multiple spot automatic clamping mechanism of many standard calibers, and this kind of drive is applicable to the Chipless cutting machine application of all caliber different models.
Accompanying drawing explanation
Fig. 1 is the front view of embodiment of the present invention cutting machine;
Fig. 2 is the side view of embodiment of the present invention cutting machine;
Fig. 3 is the front view of embodiment of the present invention clamp mechanism;
Fig. 4 is the side view of embodiment of the present invention clamp mechanism;
Fig. 5 is the front view of embodiment of the present invention cutting mechanism;
Fig. 6 is the side view of Fig. 5.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention will be further described in detail.
As depicted in figs. 1 and 2, a kind of gear turntable bearing combination transmission pvc pipe material Chipless cutting machine, comprises frame 5, sets gradually servo follower 1, supporting mechanism 2, clamping cylinder 3 and cutting mechanism 4 in frame 5.As shown in Figure 3 and Figure 4, cutting mechanism 4 left and right sides arrange respectively the left reducing multiple spot clamping mechanism 7 that is connected with clamping cylinder 3 and right reducing multiple spot clamping mechanism 6.
As shown in Figure 5 and Figure 6, cutting mechanism 4 comprises: rotating disk, motor, driving gear and cutter unit, driving gear is by driven by motor, rotating disk circumference is provided with disk gear 9, driving gear and disk gear 9 engagements, on rotating disk, have the through hole that holds described tubing, and around through hole, be fixed with circular fixed gear 8 on rotating disk;
Cutter unit comprises roller dovetail installing plate 10, roller shaft bolster 12, pinch roller assembly 13, bearing bracket stand installing plate 14, input shaft gear 15, cutter assembly 16, blade shaft bolster 17 and feed screw mandrel, described fixed gear 8 and input shaft gear 15 engagements, input shaft gear 15 is connected with feed screw mandrel, feed screw mandrel vertically arranges, in feed screw mandrel lower end, level is fixedly installed bearing bracket stand installing plate 14, one side of bearing bracket stand installing plate 14 arranges blade shaft bolster 17, the opposite side of bearing bracket stand installing plate 14 arranges roller shaft bolster 12, blade shaft bolster 17 and roller shaft bolster 12 are equipped with skateboards slot, described skateboards slot comprise mutually together with chute section and straight trough section, the gradient that chute section band is certain, straight trough section vertically arranges, and the horizontal length of the chute section of blade shaft bolster 17 is greater than the horizontal length of the chute section of roller shaft bolster 12.；
Roller dovetail installing plate 10 is two, is horizontally set on respectively the through hole left and right sides:
On the roller dovetail installing plate 10 of one side, arranging can be along the cutter assembly 16 of roller dovetail installing plate 10 horizontal slips, and cutter assembly 16 is with a pulley, and inserts in the skateboards slot of blade shaft bolster 17;
On the roller dovetail installing plate 10 of opposite side, arranging can be along the pinch roller assembly 13 of roller dovetail installing plate 10 horizontal slips, in the skateboards slot of pinch roller assembly 13 with a pulley and insertion roller shaft bolster 12.
Cutter unit also comprises that blade shaft bolster regulates screw mandrel 18 and pinch roller assembly to regulate screw mandrel 11, described blade shaft bolster 17 and roller shaft bolster 12 can be distinguished along continuous straight runs and slide on bearing bracket stand installing plate, blade shaft bolster regulates screw mandrel 18 to be connected with blade shaft bolster 17, and pinch roller assembly regulates screw mandrel 11 to be connected with roller shaft bolster 12.
Operation principle: when cutting machine receives after cutoff signal, clamping cylinder 3 drives 6 right reducing multiple spot clamping mechanisms and 7 left reducing multiple spot clamping mechanisms, clamps the tubing of different size; Drive motors running, drives disk gear 9 engagement shaft bearing outer-ring runnings; Drive to install on its upper cutting lift of rotating disk and when input shaft gear 15 is done circular-rotation with bearing inner race engagement, to make himself screw mandrel do upper and lower rectilinear motion to realize the advance and retreat action of cutter of cutting, when cutting, disk gear 9 turns round clockwise; Drive screw mandrel to cut action downwards; After Pipe Cutting completes, drive motors reversion drives screw mandrel to move upward and makes cutter return original position, complete cutting action one time.
The gear turntable bearing modular conveyor movable wire bar advance and retreat cutter Chipless cutting machine of this design has been cast aside the thinking of traditional diced system, has developed a kind of mechanical gear that utilizes and has driven cutter to synchronize the system of cutting with rotating disk.Driving gear drives disk gear motion, when disk gear drives turntable rotation, the fixed gear 8 being arranged on rotating disk also turns round, and the input shaft gear 15 of cutting mechanism 4 drives the realization that moves up and down of feed screw mandrel to cut into tool backlash movement while being subject to rotate by dynamic action of bearing inner race gear engagement; When input shaft gear 15 is subject to the driving of fixed gear 8, drive feed screw mandrel downfeed, roller shaft bolster 12 and blade shaft bolster 17 are to pressing down; Feed screw mandrel often enters cutter No. one time, and cutter assembly 16 and pinch roller assembly 13 are just to tubing incision, until pvc pipe material is cut off; This cutter unit on one side support tubing, on one side incising pipes, rely on the devices such as the support of bearing, constantly advance feed action, make pvc pipe material realize chipless cutting; Cutting speed depends on the speed speed of dial rotation, and this cutting feed velocity of Frequency Converter Control; Cutter assembly 16 is mobile in the scope of displacement to be controlled automatically by electrical apparatus control system, the tube wall thickness of cutting is to regulate screw mandrel 18 and pinch roller assembly to regulate the decision of screw mandrel 11 feeding depths by blade shaft bolster, the position of cutting different tube diameters is by what manually set, and the extreme position that cutting mechanism moves is determined by approach switch electrical appliance control signal.What cutting started is applicable to, and cutting machine is synchronizeed with production line hauling speed, is arranged on the servo follower 1 of synchronous cog belt on cutting machine, by adjusting servomotor rotating speed speed, mates the speed of hauling speed.5 clamps of interlock reducing replace traditional Hough clamp, adapt to the tubing of different size, have saved the cost of manufacturing aluminum clamp; Also saved the time of changing clamp simultaneously.Novel cutting machine transmission system is mechanical structure, succinct reliable, low cost of manufacture and simple to operate, easy to maintenance, machine-spoiled rate is low, production efficiency is low; By electrical equipment control, realize full-automatic cutting.
The transmission of the present embodiment cutting machine has the brand-new design concept of domestic original creation, this technical conceive is ingenious, design is unique, structure is simplified, by machine cut necessary swivel bearing spread out stretch for install cutting knife rotating disc simultaneously again design double as the gear that transmission is used, in bearing, outer ring is ingenious changes the double gear that transmission is used of doing into, gear engagement on bearing inner race gear and motor shaft drives on cutting machine dial rotation and rotating disk cutting mechanism is installed, this mechanism is that a general outsourcing piece (lift) makes easy for installation, the simple trouble of manufacturing processing of saving again, cutting cutter mechanism, edge roller wheel mechanism is mounted on the output screw mandrel of lift, its incision principle is: lift input shaft gear 15 meshes with the gear of bearing outer ring, therefore the power of delivering gear drives and cuts feeding with the engagement of bearing outer ring gear from turntable rotation time, all by an electric rotating machine, driven, this kind of drive mechanism is that cutting links with rotation, cutting feed structure is driven by rotary drive, drive that cutting is required to rotatablely move and the rectilinear motion of delivering gear feeding around pipe simultaneously, when feed screw mandrel moves, connecting (being manually adjusted to appropriate location according to caliber specification size in advance) cutter assembly 16 on it and pinch roller assembly 13 moves up and down respectively in the skateboards slot of blade shaft bolster 17 separately and roller shaft bolster 12 and laterally moves and cut and penetrate tube wall thickness with feed leading screw, skateboards slot comprises with the chute section of gradient and vertical straight trough section, chute section is feeding cutting, pinch roller feeding part, when being fed into feed screw mandrel while to a certain degree reaching straight trough section, continue mobile, cutter assembly 16 and pinch roller assembly 13 keep resting on a fixing position (being the outer warp of institute's Pipe Cutting material) until cutting action finishes, thereby realization is worked as cutter assembly 16 and is constantly entered, pinch roller assembly 13 also and then enters, after pinch roller assembly 13 compresses while arriving contact external diameter surface (having pressure), its pulley that inserts roller shaft bolster 12 skateboards slots starts to enter straight trough section, the no longer feeding that rotates of pinch roller assembly 13 circumference, at least along more than circumference one circle, at this moment because the chute section of the skateboards slot of blade shaft bolster 17 is than the skewed slot segment length of the skateboards slot of roller shaft bolster 12, therefore, cutter assembly 16 also continues feeding, therefore just realized in cutting process the tubing protruding overlap that is squeezed and flattened (there being plastic deformation situation) under pinch roller (joint-cutting center is aimed at certain pressure and pinch roller center) roll extrusion, make caliber smooth outer surface, smooth, complete cutting action one time.The structural design of this kind of slide plate pulley restriction cutting pinch roller movement locus, be due to inventor with rotating disk combination bearing drive that cutting feeding cutting knife is at incision tube wall thickness movement locus that helix enters, limit rotation until cut wears, cannot complete the requirement that pinch roller flattens protruding overlap, adopt pulley skateboards slot structure regulation pinch roller after pinch roller reaches caliber surface to do nip drum action along circumference.Rotating disk clockwise rotates, is cut into direction of feed, on the contrary withdrawing direction.
Thisly by a motor, drive cutting machine disk gear to rotate simultaneously, make to be again fixed on feed arrangement (lift) on rotating disk thus input shaft gear 15 and bearing outer ring engagement drive lift to move up and down driving lifting decelerator screw mandrel move up and down (cutter of advancing and retreat) when gear rotates, forward feed, reversion withdrawing, realizes cutting feed action.This kind utilizes disk gear and bearing enclose that fixedly line combination is installed, make overall structure more succinct, whole transmission, cutting only have a bearing and outsourcing piece lift, reduce processing and manufacturing fixing link human and material resources consumes, saves manufacturing cost, transmission is very simple, install more convenient make machine electrical control more reliably, more convenient operation.In feed arrangement symmetric position, balancing weight is housed, with balance rotating disk, moves simultaneously.
Left reducing multiple spot clamping mechanism 7 and right reducing multiple spot clamping mechanism 6 are 5 clamping structures of fast-type interlock reducing, the tubing self-centering that can meet different tube diameters within the scope of φ 50mm-φ 250mm clamps, produces the large minimum of caliber specification limit can switch to tubule Trail φ 50mm, and the clamp pinch piece designing on reducing clamp mechanism clamping point is above rectangle, to have one deck rubber slab neither can press from both sides bad pipe can increase again the frictional force between pipe and fixture block; Its width guarantees to clamp the different clamping points differences of caliber on φ 50mm-φ 250mm(circumference in cutting, the width of fixture block can meet clamping point excursion), the length direction of fixture block is very long will try one's best near cutting knife, so just guaranteed to cut tubule, wall thickness, the softer reliability with converting pipe of material and kerf quality (manage when soft cutter with manage cylindrical contact easily rock that otch is rough and cutting knife is stressed easily broken).No matter how the specification of tubing changes, this clamping device can adapt to its tubing gripping range; Need not change fixture block, clamping cylinder 3 position design are power performance maximums in interlock multiple spot clamping mechanism that cylinder produces, thereby clamp the reliability of maximum caliber.
Servo follower 1 adopts Synchronous Belt Drives, with servomotor, by electrical apparatus control system, adjusting servo-actuated speed keeps synchronizeing with hauling speed, the fuselage design of overlength, follower are arranged on the fuselage, fixed frame of walking, the scope of regulating the speed that speed ratio by reductor and servomotor are large can guarantee the slewing range requirement of Pipe Cutting, can meet and produce speed split requirement.
Servo follower 1 adopts Synchronous Belt Drives, with servomotor, by electrical apparatus control system, adjusting servo-actuated speed keeps synchronizeing with hauling speed, the fuselage design of overlength, follower are arranged on the fuselage, fixed frame of walking, the scope of regulating the speed that speed ratio by reductor and servomotor are large can guarantee to cut the area requirement of bassoon, can meet and produce speed split requirement.
The present embodiment compact conformation is succinct, and electrical control is safe and reliable, simple to operation, man-machine interface is desirable, adopts PLC to realize on-line automaticization of cutting machine.
Claims (8)
1. a gear turntable bearing combines transmission pvc pipe material Chipless cutting machine structure, comprise rotating disk, motor and cutter unit, it is characterized in that, described rotating disk is provided with disk gear, fixed gear is also installed on rotating disk, described disk gear drives rotation by motor, thereby drive fixed gear to rotate thereupon, described cutter unit adopts the crane with cutter, this crane is arranged on rotating disk, and mesh by input shaft gear and fixed gear, by the rotation of fixed gear, drive the rotation of input shaft gear, thereby drive moving up and down of crane to realize the tool backlash movement that enters of cutter,
The bottom of described crane is roughly symmetrically arranged with cutter and pinch roller, and the joint-cutting center of cutter is aimed at the center of described pinch roller;
Described crane comprises roller dovetail installing plate, roller shaft bolster, pinch roller assembly, bearing bracket stand installing plate, input shaft gear, blade shaft bolster and feed screw mandrel, described input shaft gear is connected with feed screw mandrel, feed screw mandrel vertically arranges, in feed screw mandrel lower end, level is fixedly installed bearing bracket stand installing plate, one side of bearing bracket stand installing plate arranges blade shaft bolster, the opposite side of bearing bracket stand installing plate arranges roller shaft bolster, and blade shaft bolster and roller shaft bolster are equipped with skateboards slot;
Roller dovetail installing plate is two, is horizontally set on the left and right sides of crane bottom:
On the roller dovetail installing plate of one side, arranging can be along the cutter assembly of roller dovetail installing plate horizontal slip, and described cutter assembly is with a pulley, and inserts in the cutting sliding plate groove of blade shaft bolster;
On the roller dovetail installing plate of opposite side, arranging can be along the pinch roller assembly of roller dovetail installing plate horizontal slip, in the pinch roller skateboards slot of described pinch roller assembly with a pulley and insertion roller shaft bolster.
2. gear turntable bearing combination transmission pvc pipe material Chipless cutting machine structure according to claim 1, is characterized in that, described cutting sliding plate groove and pinch roller skateboards slot include chute section and the straight trough section being interconnected.
3. gear turntable bearing according to claim 2 combines transmission pvc pipe material Chipless cutting machine structure, it is characterized in that the gradient segment length of the gradient section specific pressure skidding board slot of described cutting sliding plate groove.
4. gear turntable bearing according to claim 1 combines transmission pvc pipe material Chipless cutting machine structure, it is characterized in that, described crane also comprises that blade shaft bolster regulates screw mandrel and pinch roller assembly to regulate screw mandrel, blade shaft bolster regulates screw mandrel to be connected with blade shaft bolster, and pinch roller assembly regulates screw mandrel to be connected with roller shaft bolster.
5. a gear turntable bearing combines transmission pvc pipe material Chipless cutting machine, it is characterized in that, comprise the gear turntable bearing combination transmission pvc pipe material Chipless cutting machine structure described in claim 1 ~ 3 any one, and servo follower, supporting mechanism, clamping cylinder and frame, described servo follower, supporting mechanism, gear turntable bearing combination transmission pvc pipe material Chipless cutting machine structure and clamping cylinder are successively set in frame, in described gear turntable bearing combination transmission pvc pipe material Chipless cutting machine structure both sides, left clamp mechanism and right clamp mechanism are set respectively.
6. gear turntable bearing combination transmission pvc pipe material Chipless cutting machine according to claim 5, is characterized in that, described left clamp mechanism and right clamp mechanism are reducing multiple spot clamping mechanism.
7. gear turntable bearing combination transmission pvc pipe material Chipless cutting machine according to claim 5, is characterized in that, the clamp pinch piece of described left clamp mechanism and right clamp mechanism is rectangle.
8. gear turntable bearing combination transmission pvc pipe material Chipless cutting machine according to claim 7, is characterized in that, the clamp pinch piece of described left clamp mechanism and right clamp mechanism is provided with one deck rubber slab.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210024003.XA CN102554948B (en) | 2012-02-03 | 2012-02-03 | PVC (polyvinyl chloride) pipe chipless cutting mechanism in combined transmission of gears, turntable and bearing and cutting machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210024003.XA CN102554948B (en) | 2012-02-03 | 2012-02-03 | PVC (polyvinyl chloride) pipe chipless cutting mechanism in combined transmission of gears, turntable and bearing and cutting machine |
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| CN102554948B true CN102554948B (en) | 2014-01-15 |
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| ITRN20120058A1 (en) * | 2012-12-20 | 2014-06-21 | Sica Spa | APPARATUS AND METHOD OF CUTTING TUBES IN THERMOPLASTIC MATERIAL. |
| CN104827192B (en) * | 2015-04-27 | 2016-06-29 | 浙江工贸职业技术学院 | A kind of section bar cut feed mechanism of interchangeable section bar clip wheel |
| CN107732799B (en) * | 2017-08-14 | 2024-01-16 | 国网河南省电力公司新乡供电公司 | Cable steel nail cutting machine |
| CN109927091A (en) * | 2017-12-15 | 2019-06-25 | 上海金湖挤出设备有限公司 | A kind of no-chip cutting device for plastic conduit |
| CN108080657A (en) * | 2018-01-22 | 2018-05-29 | 苏州东米智能设备有限公司 | Numerical control finned tube tooth molding machine and control method |
| CN110666867A (en) * | 2019-11-18 | 2020-01-10 | 王雅鸿 | Cutting device for large-diameter PVC (polyvinyl chloride) pipe |
| CN110883829A (en) * | 2019-11-22 | 2020-03-17 | 石嘴山市塑料厂 | Quick cutting device of major diameter PE tubular product |
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| CN113601212B (en) * | 2021-08-09 | 2022-06-17 | 扎赉诺尔煤业有限责任公司 | Cutting machine |
| CN115178640B (en) * | 2022-08-12 | 2023-05-16 | 深圳市佳佳通塑胶模具有限公司 | Feeding punching equipment for metal belt |
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