CN203600288U - Big aperture polyvinyl chloride (PVC) pipe planetary cutting machine - Google Patents
Big aperture polyvinyl chloride (PVC) pipe planetary cutting machine Download PDFInfo
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- CN203600288U CN203600288U CN201320880289.1U CN201320880289U CN203600288U CN 203600288 U CN203600288 U CN 203600288U CN 201320880289 U CN201320880289 U CN 201320880289U CN 203600288 U CN203600288 U CN 203600288U
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- pvc pipe
- pipe material
- heavy caliber
- dust
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Abstract
The utility model discloses a big aperture polyvinyl chloride (PVC) pipe planetary cutting machine, which comprises a rack, a servo mechanism, a clamp mechanism, a cutting mechanism, a lifting support feed mechanism, a rotating mechanism and a dust removal device which are arranged on the rack, wherein the rotating mechanism comprises a drive gear and a gear rotating plate which is engaged with the drive gear, the drive gear is driven by a main drive motor, the cutting mechanism comprises a cutting motor, a cutting swing arm, a cutting shaft and a drive device which are arranged on the gear rotating plate, the cutting motor is arranged on the cutting swing arm, the cutting shaft is provided with a cutting blade and a rose reamer, the cutting motor drives the cutting shaft to rotate through the drive device to enable the cutting blade and the rose reamer to rotate, and the cutting shaft is further provided with an eccentric mechanism which controls feed rate of the rose reamer. The big aperture PVC pipe planetary cutting machine is steady in cutting, beautiful in fillets and smooth and uniform, and is excellent in on-line cutting dust collection effect.
Description
Technical field
The utility model relates to the technical field of pvc pipe material production line cutting machine, more specifically, relates to a kind of heavy caliber pvc pipe material planet cut-off.
Background technology
At present, the real wall heavy caliber pipe of domestic PVC more than 630 is seldom produced, and substantially produces below 630.Because solid wall pipe in use needs one end enlarging, one chamfer is convenient to take over and is installed and sealing, when need to cutting off pipe while cutting in production and otch other end pipe cylindrical is poured out to the inclined-plane of certain width, and smooth surface is even, installation easy to use, connection sealing, therefore very strict to cutting, both cutting speeds again, have cutting accuracy requirement again.On the other hand, because pvc pipe chamfering needs high-speed cutting chamfering, now employing is all saw blade cutting, but tubing matter is hard and crisp, in cutting, can produce a large amount of dust, can not environment and operator's health be harmful to fine collection; Require more and more higher along with environmental consciousness improves to pick-up performance, dust exhaust apparatus and cutting machine are splits mostly now, install to connect and use telescopic plastic flexible pipe, when cutting dust suction, flexible pipe moves and starts stretch and dragged with cutting casing, and due to frequent stretching motion, plastic tube intensity is bad, easily damage, leak gas, cause dust catcher not use, the sealing of machine is crumb loading weak effect when poor cutting also, harmful to operator and environment.In addition, most of machine cutting rotating disc revolving structures employing chain transmission drive dial rotation, and a bit of arc orbit of bearing composition for rotating disk revolution support, contact adjusting difficulty, rotation inaccuracy, noise is large; Once can not adjust front and back fixture block decentraction when clamp mechanism to the cutting centre of gyration, can affect chamfer quality.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of heavy caliber pvc pipe material planet cut-off, and its cutting caliber can reach 800, and steadily, chamfering is attractive in appearance and smooth evenly in cutting, and cutting machine cutting on line pick-up performance is good.
The utility model adopts following technical scheme:
A kind of heavy caliber pvc pipe material planet cut-off, comprise frame, be arranged on the follower in frame, clamp mechanism, cutting mechanism, feed mechanism is supported in lifting, rotating mechanism and dust arrester, described rotating mechanism comprise driving gear and with driving gear meshed gears rotating disk, described driving gear is driven by main drive motor, described cutting mechanism comprises cutting motor, cutting swing arm, cutting axis and transmission device, described cutting motor is located in cutting swing arm, described cutting axis is provided with cast-cutting saw slice and rose reamer, described cutting motor rotates and then makes cast-cutting saw slice and rose reamer rotation by actuator drives cutting axis, on described cutting axis, be also provided with the eccentric stiffener of controlling the rose reamer amount of feeding, described eccentric stiffener comprises eccentric flap and multiple eccentric wheel, described eccentric flap control eccentric rotates, described eccentric wheel is equipped with rotating stitch marker by bearing.
The utility model is the improvement of carrying out according to the common problem of prior art existence, and wherein, cutting mechanism can make the chamfering width of tubing even by its eccentric stiffener to the adjustment control of cutter, and chamfer surface is smooth.The size of described cast-cutting saw slice is determined by cutting thickness, Guan Yuehou, and saw blade is larger, chamfer quality and size, the degree of depth, width is to be guaranteed by the chamfer mechanism on cutting axis, rotating stitch marker is housed on eccentric wheel, the bearing that has installation to coordinate with it in eccentric wheel, in cutting not only rotatably but also wear-resisting, durable, sizing wheel can regulate its offset by eccentric flap control eccentric, regulate its outer round surface and chamfering inclined-plane relative position to change size and the width of institute's Pipe Cutting footpath outer round surface chamfering, in the time of cutting chamfering, its surface contacts with institute's Pipe Cutting footpath, while not only having guaranteed chamfering, the amount of feeding was constant but also can play the rigidity effect that increases cutting mechanism all the time, while preventing that tube wall is too thin, flexible pipe is out of shape greatly in cutting process, beat and occur that chamfering width is inhomogeneous and vibrate the situation that has the line that quivers.
Preferably, described transmission device is synchronous cog belt.
The transmission device employing synchronous cog belt here has the effect of stable drive, and noise is little.
Preferably, described eccentric wheel is 2 and is connected with cutting axis by bearing.
Preferably, on described gear turntable, be also provided with advance and retreat cutter guiding mechanism for controlling depth of cut and be provided with balancing weight in the position to cutting motor just, described gear turntable also comprises a groove ring structure, and described groove ring structure is provided with TRT.
Preferably, described advance and retreat cutter guiding mechanism comprises cutting feeding hydraulic jack, and described cutting feeding hydraulic jack connects cutting swing arm; Described TRT comprises many conducting rings, and described conducting ring has connected the annulus being made up of polylith power panel assembly, and described TRT is electrically connected with described rotating mechanism and advance and retreat cutter guiding mechanism.
Particularly, rotating mechanism of the present utility model adopts a large gear rotating disk as driving member, by the transmission of driving gear driven gear rotating disk; Conducting ring is arranged in the groove ring of gear turntable and with the electromagnetic brush of installation it on and contacts when rotated, be connected with copper ring bar to realize external power source is imported in fuselage casing on rotating disc by being arranged on brass bolt on rotating mechanism, make hydraulic jack on it, fuel feeding hydraulic station control system energising work; Conductive ring structure is by high brass ring with the energising security of machine that had assurance that high-performance refractory, insulated electro source plate form.
Preferably, described clamp mechanism comprises lower clamping cylinder, lower Hough clamp, upper Hough clamp, upper clamping cylinder, guide pillar, cylinder installation foot rest, described cylinder installation foot is set up in frame, described cylinder is installed foot rest and is provided with one or more lower clamping cylinders, described lower clamping cylinder drives described lower Hough clamp, described lower Hough clamp and upper Hough clamp are by guide pillar positioning and guiding, and described upper Hough clamp is driven by one or more upper clamping cylinders.
Preferably, described upper clamping cylinder and lower clamping cylinder are 2, and described upper clamping cylinder is carrying magnetic switching cylinder, and described lower clamping cylinder is adjustable movable stopper rod cylinder.
Clamp mechanism of the present utility model adopts upper Hough clamp and lower Hough clamp to clamp tubing, and upper and lower clamp adopts cylinder quick acting to clamp institute's Pipe Cutting material in the time of cutting; The cylinder diameter of lower cylinder is greater than the cylinder diameter of upper cylinder, and adopt increased stroke-adjustable gas cylinder, when cutting clamp, make lower cylinder first arrive center play certralizing ability and can by adjustable cylinder handle regulate compensation assembling cause can not be coaxial with the cutting centre of gyration error, upper cylinder adopts carrying magnetic switch to control clamping actuating signal; Design upper and lower clamp guaranteeing to clamp action, gap is little as far as possible under prerequisite to the gap of front and back lathe bed wallboard simultaneously, plays and the sealing effectiveness of casing while strengthening cutting clamp, and pick-up performance while improving Pipe Cutting, prevents that dust from leaking.
Preferably, described lifting is supported feed mechanism and is comprised the electric synchronous jacking system of being located in frame, bracing or strutting arrangement before and after described electric synchronous jacking system comprises, described front and back bracing or strutting arrangement adopts V-type transmission adjective-centre structure and the roller bearing parallel with frame is housed, and described electric synchronous jacking system is by electric-linked control.
Preferably, described dust arrester comprises sealing and dustproof cover, is arranged on besom and dust exhaust apparatus on rotating mechanism, and described sealing and dustproof cover is provided with blower mechanism; Described dust exhaust apparatus comprises dust sucting motor and dust suction wind sleeve, and described dust sucting motor connects dust suction wind sleeve by dust suction airduct.
Sealing and dustproof cover of the present utility model space is narrow, in the time that cutting links to such an extent that switch on work when signal, in sealing and dustproof cover, produce certain blast by blower mechanism, make its space be full of pressed gas along bearing dust cover gap to leaking, the dust gap of blowing off that cutting is produced, the dust producing while stoping cutting infiltrates on bearing, affect transmission, on the gear turntable of this typed rotary mechanism outside, be provided with one with casing adapt the besom of width will descend slowly and lightly with dial rotation time from suction port away from bits sweep into annular seal space import department and siphon away, more than install acting in conjunction simultaneously in the time of cutting, reach the desirable dust suction crumb loading effect of cutting machine, play effective protection working environment and operating personnel's healthy effect.
Preferably, described follower comprises servo-actuated fuselage, and described servo-actuated fuselage adopts and is rigidly connected and synchronizes and carry out with cutting with electric-linked with dust exhaust apparatus, moves with fuselage.
Compared with prior art, the beneficial effect the utlity model has:
When the eccentric stiffener that the utility model cutting mechanism is provided with can guarantee chamfering the amount of feeding all the time constant can playing again increase the rigidity effect of cutting mechanism, prevent when tube wall is too thin that flexible pipe be out of shape greatly in cutting process, beat and occur that chamfering width is inhomogeneous and vibrate the situation that has the line that quivers;
The dust arrester adopting carries out with fuselage and cutting movement simultaneously and has a good crumb loading effect.
Accompanying drawing explanation
Fig. 1 is that the assembling of a kind of heavy caliber pvc pipe material planet cut-off of the present embodiment is always schemed;
Fig. 2 is the fuselage interior mounting structure figure of a kind of heavy caliber pvc pipe material planet cut-off of the present embodiment;
Fig. 3 is the rotating mechanism structural representation of a kind of heavy caliber pvc pipe material planet cut-off of the present embodiment;
Fig. 4 is the cutting mechanism structural representation of a kind of heavy caliber pvc pipe material planet cut-off of the present embodiment;
Fig. 5 is the conducting ring figure of a kind of heavy caliber pvc pipe material planet cut-off of the present embodiment;
Fig. 6 is the clamp mechanism front view of a kind of heavy caliber pvc pipe material planet cut-off of the present embodiment;
Fig. 7 is the clamp mechanism side view of a kind of heavy caliber pvc pipe material planet cut-off of the present embodiment;
Fig. 8 is that feeder composition is supported in the lifting of a kind of heavy caliber pvc pipe material planet cut-off of the present embodiment;
Fig. 9 is the dust exhaust apparatus figure of a kind of heavy caliber pvc pipe material planet cut-off of the present embodiment.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
As shown in Figure 1, the present embodiment is a kind of heavy caliber pvc pipe material planet cut-off, comprises frame 45, and feed mechanism 2, rotating mechanism 4 and dust arrester 1 are supported in the follower 6, clamp mechanism 5, cutting mechanism 3, the lifting that are arranged in frame.
As described in Fig. 2 and Fig. 3, the present embodiment is a kind of heavy caliber pvc pipe material planet cut-off, described cutting mechanism 3 comprises cutting motor 11, cutting swing arm 12, cutting axis 24 and synchronous cog belt 19, described cutting motor 11 is located in cutting swing arm 12, described cutting axis 24 is provided with cast-cutting saw slice 29 and rose reamer 30, described cutting motor 11 drives cutting axis 24 to rotate by synchronous cog belt 19 and then makes cast-cutting saw slice 29 and rose reamer 30 rotates, on described cutting axis 24, be also provided with the eccentric stiffener of controlling the rose reamer amount of feeding, described eccentric stiffener comprises eccentric flap 10, eccentric wheel 26, eccentric wheel 33, described eccentric flap 10 control eccentrics rotate, described eccentric wheel 26 and eccentric wheel 33 are equipped with rotating stitch marker 28 and stitch marker 33 by bearing 27 and bearing 32 respectively.In Fig. 4, cutting axis has also connected the belt wheel 22 of synchromesh gear belt, by lower locking nut 23 and upper locking nut 34, total is fixed to locking.
Described rotating mechanism comprises driving gear 35 and gear turntable 36, described driving gear 35 engages with gear turntable 36 and drives its rotation, described gear turntable 36 is provided with advance and retreat cutter guiding mechanism for controlling depth of cut and is provided with balancing weight 17 in the position to cutting motor just, described gear turntable 36 also comprises a groove ring structure, and described groove ring structure is provided with TRT; Described advance and retreat cutter guiding mechanism comprises cutting feeding hydraulic jack 15, described cutting feeding hydraulic jack 15 connects cutting swing arm 12, described cutting feeding hydraulic jack 15 control piston strokes, to control the size of cutting swing arm 12 rotational angles, realize the depth of cut of different size caliber; The piston rod of cutting feeding hydraulic jack 15 is with the screw rod 21 of graduated scale, and on screw rod, being equipped with can lock-screw, and screw end face is threaded to and will cuts the locking of caliber position of rule, controls cutting feeding hydraulic jack 15 strokes and completes the depth of cut in institute's Pipe Cutting footpath.
As shown in Figure 5, described TRT comprises 8 conductive copper 37, described conducting ring has connected the annulus being made up of 12 block power supply board components 38, described TRT is connected with the energising that contacts of conductive copper 37 by electromagnetic brush 8 with advance and retreat cutter guiding mechanism with described rotating mechanism, makes its cutting feeding hydraulic jack 15, the 16 control system energising work of fuel feeding Hydraulic Station.
As shown in Figure 6 and Figure 7, the present embodiment is a kind of heavy caliber pvc pipe material planet cut-off, described clamp mechanism comprises lower clamping cylinder 39, lower Hough clamp 40, upper Hough clamp 41, upper clamping cylinder 42, guide pillar 25, cylinder is installed foot rest, described cylinder installation foot is set up in frame, described cylinder is installed foot rest and is provided with 2 lower clamping cylinders, described lower clamping cylinder drives described lower Hough clamp, described lower Hough clamp and upper Hough clamp are by guide pillar 25 positioning and guidings, described upper Hough clamp is driven by 2 upper clamping cylinders.Described upper clamping cylinder is carrying magnetic switching cylinder.
As Fig. 8, described lifting is supported feed mechanism and is comprised the electric synchronous jacking system 43 of being located in frame 45, bracing or strutting arrangement 44 before and after described electric synchronous jacking system 45 comprises, described front and back bracing or strutting arrangement adopts V-type transmission adjective-centre structure and the roller bearing parallel with frame is housed, and described electric synchronous jacking system is by electric-linked control.
As shown in Figure 9, the present embodiment is a kind of heavy caliber pvc pipe material planet cut-off, and dust arrester comprises sealing and dustproof cover 14, is arranged on besom 9 and dust exhaust apparatus 18 on rotating mechanism, and described sealing and dustproof cover 14 is provided with blower mechanism 7; Described dust exhaust apparatus 18 comprises dust sucting motor 20 and dust suction wind sleeve 46, and described dust sucting motor 20 connects dust suction wind sleeve 46 by dust suction airduct 47.Dust sucting motor 20 links together by annular seal space outlet below suction port 13 and planet cut-off; When signal starts cutting, dust sucting motor 20 also starts work simultaneously, produces powerful draft effect, and dust is sucked by dust suction airduct 47 and is stored in cloth bag 46 by dust sucting motor 20, when smear metal gathers together in dust suction cloth bag 46 the insides.After cutting, dust sucting motor 20 time delays lag behind and also quit work, and wait for the cutting cycle of next.
Claims (10)
1. a heavy caliber pvc pipe material planet cut-off, comprise frame, be arranged on the follower in frame, clamp mechanism, cutting mechanism, feed mechanism is supported in lifting, rotating mechanism and dust arrester, described rotating mechanism comprise driving gear and with driving gear meshed gears rotating disk, described driving gear is driven by main drive motor, it is characterized in that, described cutting mechanism comprises the cutting motor of being located on gear turntable, cutting swing arm, cutting axis and transmission device, described cutting motor is located in cutting swing arm, described cutting axis is provided with cast-cutting saw slice and rose reamer, described cutting motor rotates and then makes cast-cutting saw slice and rose reamer rotation by actuator drives cutting axis, on described cutting axis, be also provided with the eccentric stiffener of controlling the rose reamer amount of feeding, described eccentric stiffener comprises eccentric flap and multiple eccentric wheel, described eccentric flap control eccentric rotates, described eccentric wheel is equipped with rotating stitch marker by bearing.
2. a kind of heavy caliber pvc pipe material planet cut-off according to claim 1, is characterized in that, described transmission device is synchronous cog belt.
3. a kind of heavy caliber pvc pipe material planet cut-off according to claim 1 and 2, is characterized in that, described eccentric wheel is 2 and is connected with cutting axis by bearing.
4. a kind of heavy caliber pvc pipe material planet cut-off according to claim 1, it is characterized in that, on described gear turntable, be also provided with advance and retreat cutter guiding mechanism for controlling depth of cut and be provided with balancing weight in the position to cutting motor just, described gear turntable also comprises a groove ring structure, and described groove ring structure is provided with TRT.
5. a kind of heavy caliber pvc pipe material planet cut-off according to claim 4, is characterized in that, described advance and retreat cutter guiding mechanism comprises cutting feeding hydraulic jack, and described cutting feeding hydraulic jack connects cutting swing arm; Described TRT comprises many conducting rings, and described conducting ring has connected the annulus being made up of polylith power panel assembly, and described TRT is electrically connected with described rotating mechanism and advance and retreat cutter guiding mechanism.
6. a kind of heavy caliber pvc pipe material planet cut-off according to claim 1, it is characterized in that, described clamp mechanism comprises lower clamping cylinder, lower Hough clamp, upper Hough clamp, upper clamping cylinder, guide pillar, described cylinder installation foot is set up in frame, described cylinder is installed foot rest and is provided with one or more lower clamping cylinders, described lower clamping cylinder drives described lower Hough clamp, described lower Hough clamp and upper Hough clamp are by guide pillar positioning and guiding, described upper Hough clamp is driven by one or more upper clamping cylinders.
7. a kind of heavy caliber pvc pipe material planet cut-off according to claim 1, it is characterized in that, described upper clamping cylinder and lower clamping cylinder are 2, and described upper clamping cylinder is carrying magnetic switching cylinder, and described lower clamping cylinder is adjustable movable stopper rod cylinder.
8. a kind of heavy caliber pvc pipe material planet cut-off according to claim 1, it is characterized in that, described lifting is supported feed mechanism and is comprised the electric synchronous jacking system of being located in frame, bracing or strutting arrangement before and after described electric synchronous jacking system comprises, described front and back bracing or strutting arrangement adopts V-type transmission adjective-centre structure and the roller bearing parallel with support is housed, and described electric synchronous jacking system is by electric-linked control.
9. a kind of heavy caliber pvc pipe material planet cut-off according to claim 1, is characterized in that, described dust arrester comprises sealing and dustproof cover, is arranged on besom and dust exhaust apparatus on rotating mechanism, and described sealing and dustproof cover is provided with blower mechanism; Described dust exhaust apparatus comprises dust sucting motor and dust suction wind sleeve, and described dust sucting motor connects dust suction wind sleeve by dust suction airduct.
10. a kind of heavy caliber pvc pipe material planet cut-off according to claim 9, it is characterized in that, described follower comprises servo-actuated fuselage, and described servo-actuated fuselage adopts and is rigidly connected and synchronizes and carry out with cutting with electric-linked with dust exhaust apparatus, moves with fuselage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320880289.1U CN203600288U (en) | 2013-12-30 | 2013-12-30 | Big aperture polyvinyl chloride (PVC) pipe planetary cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320880289.1U CN203600288U (en) | 2013-12-30 | 2013-12-30 | Big aperture polyvinyl chloride (PVC) pipe planetary cutting machine |
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| Publication Number | Publication Date |
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| CN203600288U true CN203600288U (en) | 2014-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320880289.1U Expired - Fee Related CN203600288U (en) | 2013-12-30 | 2013-12-30 | Big aperture polyvinyl chloride (PVC) pipe planetary cutting machine |
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| CN (1) | CN203600288U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722579A (en) * | 2013-12-30 | 2014-04-16 | 广东联塑机器制造有限公司 | Large-caliber PVC pipe planet cutting machine |
| CN104339398A (en) * | 2014-10-20 | 2015-02-11 | 何本科 | PVC tube cutting machine |
| CN107901110A (en) * | 2017-12-10 | 2018-04-13 | 克劳斯玛菲机械（浙江）有限公司 | A kind of planet cutter device |
| CN108000590A (en) * | 2017-10-24 | 2018-05-08 | 遂宁市和聚科技有限公司 | A kind of integrated chip packing tube cutting equipment |
| CN108748352A (en) * | 2018-07-18 | 2018-11-06 | 莱芜正奇塑料机械有限公司 | A kind of cutting machine cutter device and control method, a kind of cutting machine |
| CN108818707A (en) * | 2018-06-29 | 2018-11-16 | 广州翼博慧互联网信息服务有限公司 | A kind of the automatic lot intercept unit and technique of pipe fitting |
| CN108818708A (en) * | 2018-06-29 | 2018-11-16 | 广州翼博慧互联网信息服务有限公司 | A kind of the automatic lot intercept unit and technique of novel pipe fitting |
| CN108943104A (en) * | 2018-06-29 | 2018-12-07 | 广州翼博慧互联网信息服务有限公司 | A kind of the automatic lot intercept unit and technique of modified pipe fitting |
| CN110341080A (en) * | 2019-07-12 | 2019-10-18 | 房玉山 | A kind of fibrous polypropylene pipe cutting method |
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2013
- 2013-12-30 CN CN201320880289.1U patent/CN203600288U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722579A (en) * | 2013-12-30 | 2014-04-16 | 广东联塑机器制造有限公司 | Large-caliber PVC pipe planet cutting machine |
| CN103722579B (en) * | 2013-12-30 | 2017-02-01 | 广东联塑机器制造有限公司 | Large-caliber PVC pipe planet cutting machine |
| CN104339398A (en) * | 2014-10-20 | 2015-02-11 | 何本科 | PVC tube cutting machine |
| CN108000590A (en) * | 2017-10-24 | 2018-05-08 | 遂宁市和聚科技有限公司 | A kind of integrated chip packing tube cutting equipment |
| CN107901110A (en) * | 2017-12-10 | 2018-04-13 | 克劳斯玛菲机械（浙江）有限公司 | A kind of planet cutter device |
| CN108818707A (en) * | 2018-06-29 | 2018-11-16 | 广州翼博慧互联网信息服务有限公司 | A kind of the automatic lot intercept unit and technique of pipe fitting |
| CN108818708A (en) * | 2018-06-29 | 2018-11-16 | 广州翼博慧互联网信息服务有限公司 | A kind of the automatic lot intercept unit and technique of novel pipe fitting |
| CN108943104A (en) * | 2018-06-29 | 2018-12-07 | 广州翼博慧互联网信息服务有限公司 | A kind of the automatic lot intercept unit and technique of modified pipe fitting |
| CN108748352A (en) * | 2018-07-18 | 2018-11-06 | 莱芜正奇塑料机械有限公司 | A kind of cutting machine cutter device and control method, a kind of cutting machine |
| CN110341080A (en) * | 2019-07-12 | 2019-10-18 | 房玉山 | A kind of fibrous polypropylene pipe cutting method |
| CN110341080B (en) * | 2019-07-12 | 2021-10-08 | 赵雪莉 | Cutting method of fiber-grade polypropylene pipe |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140521 Termination date: 20211230 |
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| CF01 | Termination of patent right due to non-payment of annual fee |