CN204057463U - A kind of automatic coiling machine - Google Patents
A kind of automatic coiling machine Download PDFInfo
- Publication number
- CN204057463U CN204057463U CN201420563141.XU CN201420563141U CN204057463U CN 204057463 U CN204057463 U CN 204057463U CN 201420563141 U CN201420563141 U CN 201420563141U CN 204057463 U CN204057463 U CN 204057463U
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- closed reel
- lap
- automatic
- change
- servomotor
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Abstract
The utility model discloses a kind of automatic coiling machine, comprise frame, described frame is provided with coil replacing mechanism, described coil replacing mechanism comprises the change of lap axle be fixed in frame, reductor and change of lap servomotor, described change of lap axle by reductor by change of lap driven by servomotor change of lap, described change of lap axle is provided with the change of lap arm of force, the described change of lap arm of force left and right sides is connected to closed reel, be respectively the first closed reel and the second closed reel, described first closed reel and the second closed reel are controlled by the first servomotor and the second driven by servomotor respectively, and described first closed reel and the second closed reel are equipped with pipe clamping device.The utility model can realize the function such as automatic winding winding displacement, auto counter cutting, automatic coiling, automatically change of lap, automatically packing of tubing.
Description
Technical field
The utility model relates to the technical field of the winder of pipe production line, more specifically, relates to a kind of automatic coiling machine.
Background technology
At present, the tube-rolling machine in domestic high speed pipe production line, to being by artificial change of lap, comprising and manually cuts off tubing, manually send pipe to realize rolling to reel, manually clamp, hand-filling.Linear velocity, under the production status of more than 30m/min, utilizes artificial change of lap and hand-filling, needs two staff to work on winder side specially simultaneously, increases the cost of human resources, reduces the production efficiency of tubing; Because manufacturing line is high-speed production tubing, in the process of change of lap, tubing is also produced constantly a large amount of, and tubing is not having change of lap that time, is deposited in around winder, easily causes production scene chaotic, to make troubles profit to shop management.Further, the tubing wound, before unloading down, also will carry out artificial twining adhesive tape, the tubing spooled after avoiding discharging loose.Complete the work of tape wrap, need longer time and larger labour intensity.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of automatic coiling machine, it can solve in traditional winding method lavish labor on, rolling and the inefficient problem of change of lap.
The technical solution adopted in the utility model is as follows:
A kind of automatic coiling machine, comprise frame, described frame is provided with coil replacing mechanism, described coil replacing mechanism comprises the change of lap axle be fixed in frame, reductor and change of lap servomotor, described change of lap axle by reductor by change of lap driven by servomotor change of lap, described change of lap axle is provided with the change of lap arm of force, the described change of lap arm of force left and right sides is connected to closed reel, be respectively the first closed reel and the second closed reel, described first closed reel and the second closed reel are controlled by the first servomotor and the second driven by servomotor respectively, and described first closed reel and the second closed reel are equipped with pipe clamping device.
In the utility model, first closed reel and the second closed reel can realize the quick rolling of tubing respectively under the control of first, second servomotor, when wherein there being a closed reel rolling length to reach predetermined value, the utility model can realize the position conversion of two closed reels fast under change of lap driven by servomotor controls.
Further, described pipe clamping device comprises permanent seat, baffle plate, clamping seats, fixture block and spring, described permanent seat to be located on closed reel and to be fixedly connected with baffle plate, described baffle plate realizes being flexibly connected by having axis hole and bearing pin with clamping seats, described clamping seats is installed the fixture block that inside face is provided with groove, described fixture block is by air cylinder driven, and described spring one end is fixed on baffle plate, and the other end is fixed on clamping seats; Coupling end and the baffle plate of the coupling end of described baffle plate and spring, clamping seats and spring form triangle; Described cylinder is connected with clamping seats with connecting panel by Connection Block successively; Described bearing pin outside is provided with back-up ring, plays fixation.
Pipes detection device conventional in pipe clamping device and manufacturing line that the utility model adopts with the use of, when pipes detection device detects that tubing enters in clamping seats, cylinder promotes fixture block advance, and tubing is clamped; And spring and baffle plate make fixture block remain on to send the position of pipe direction level, after pinch tube during rolling, to turn to certain angle together with tubing, ensure gripping means grips tubing simultaneously; In addition, permanent seat is for being arranged on the closed reel of winder.In addition, coupling end and the baffle plate of the coupling end of described baffle plate and spring, clamping seats and spring form triangle, can adjust fixture block and the position relationship sending pipe direction by this structure, fixture block are remained on send the position of pipe direction level; And described fixture block inside face is provided with groove, this insection structure can firm grip tubing.
This pipe clamping device integral structure is simple, promotes fixture block by cylinder, and spring makes fixture block remain on to send the position of pipe direction level, and clamping tubing, can make tubing turn to certain angle together, make this fixing device firm grip tubing.
In order to solve the slow problem of the rolling change of lap efficiency that runs in production process in the utility model, have employed following technical scheme and realizing automatic winding displacement, solve the inefficient problem of winding displacement:
Described automatic coiling machine is also provided with for the automatic Arrange-line System for closed reel winding displacement, and described automatic Arrange-line System comprises wire-arranging mechanism and tube feeding mechanism; Described wire-arranging mechanism comprises the winding displacement body frame being located at frame side, winding displacement body frame is provided with displacement screw mandrel, the described displacement screw mandrel left and right sides is provided with line slideway, described winding displacement leading screw is connected to along the reciprocating cliding seat of winding displacement leading screw by screw collar, and described winding displacement leading screw is by winding displacement driven by servomotor; Described cliding seat is provided with tube feeding mechanism, described tube feeding mechanism comprises and send pipe support, described sending in pipe support is provided with for carrying tubing and setting up and down multiplely sending pipe sprocket wheel, the telescopic code wheel sending pipe bar and contact with the pipe outer surface sent on pipe sprocket wheel, described in send pipe bar to be connected with clamp.
Described tube feeding mechanism is connected with cutter sweep, and described cutter sweep comprises the cutter be located at and sent pipe support front end, and described cutter are connected with cutting lift cylinder.
The also andlogic control device electrical connection of described first servomotor, the second servomotor and winding displacement servomotor, described closed reel is often rotated once enclosing the distance by logic controller control motor, displacement screw mandrel forward impelling being equivalent to pipe diameter.
In the utility model, under the effect of logic controller, the winding displacement servomotor of automatic Arrange-line System runs according to the cam curve set, the complete circle of the namely every rolling of closed reel, winding displacement driven by servomotor displacement screw mandrel is advanced one and is equivalent to the distance of pipe diameter, carries out the rolling of next circle.
Cutter can cut off tubing automatically according to the coiling length of setting, rise to cutting end point and then decline, cut off tubing under the effect of cutting lift cylinder.
Further, described frame is also provided with for being with automatic packing machine structure for the PP of the tubing packing on closed reel, described PP is with automatic packing machine structure to comprise packing head, and described packing head is by driven by servomotor of packing.
In the utility model, when after the reel arrival first packing indexing position that rolling completes, head of packing under peripheral control unit controls can carry out sending of PP band by servomotor band movable belt pulley and be with and take-up action, packing spindle motor rotates, complete and cut band and adhesive tape action, primary importance calibration PP band has been tied up.Takeup reel rotate 120, then by this flow process continued second and the 3rd indexing position PP band packing action, to complete the packing discharging of tubing.
Further, automatic coiling machine of the present utility model also comprises automatic storing device, described automatic storing device comprises storage rack, described storage rack being provided with one can the semicircle tugboat of oscilaltion, described semicircle tugboat is connected with automatic tension controller, and described semicircle tugboat also has multiple sprocket wheel.
In wrapup procedure, if the speed of closed reel is greater than the linear velocity of tubing, namely the delivery speed of tubing is less than rolling speed, and the tension force suffered by tubing can increase, the semicircle of now automatic tension controller control storage rack drags automatic decline, tension force reduces thereupon automatically, otherwise, if the speed of closed reel is less than the linear velocity of tubing, the tension force that tubing receives can reduce, the semicircle tugboat of storage rack rises automatically, and tension force increases thereupon automatically, therefore arrives the effect automatically regulating tube stretch.
In addition, in switching process, the semicircle tugboat of storage rack can be subject to that tension force increases and automatically decline, can drop to minimum at the end of upset, once after tubing cuts off, newly twist in the process of automatic feed tube and fail rolling at once, the tubing piled up is caused to increase, now the semicircle tugboat of storage rack can continue to rise because of the minimizing of tube stretch, temporarily the tubing of accumulation is stored, after new volume send pipe, along with the twirl of new volume, the tubing stored is rolled-up again, reach automatic storing effect, avoid in workshop, having tubing to pile up, cause confusion.
Compared with prior art, the beneficial effects of the utility model are: can realize the automatic winding winding displacement of tubing, auto counter cutting, automatic coiling, the automatically function such as change of lap and automatic packing, reduce the operation of workman, avoid in workshop, having tubing to pile up, reduce productive costs, improve production efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of automatic coiling machine of the present embodiment;
Fig. 2 is the automatic change of lap constructional drawing of a kind of automatic coiling machine of the present embodiment;
Fig. 3 is the tube feeding mechanism constructional drawing of a kind of automatic coiling machine of the present embodiment;
Fig. 4 is the automatic storing structure drawing of device of a kind of automatic coiling machine of the present embodiment;
Fig. 5 is the winding displacement understructure figure of a kind of automatic coiling machine of the present embodiment;
Fig. 6 and Fig. 7 is the pipe clamping device constructional drawing of a kind of automatic coiling machine of the present embodiment;
Fig. 8 is the cutter constructional drawing of a kind of automatic coiling machine of the present embodiment.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Embodiment:
As shown in Figure 1, the first closed reel 4 is in preparation rolling station, and the second closed reel 6 is in rolling station.
A kind of automatic coiling machine, comprises frame 1, described frame is provided with successively automatic line arranging mechanism 7, coil replacing mechanism 5 and PP and is with automatic packing machine structure 2.Coil replacing mechanism 5 comprises the change of lap axle be fixed in frame 1, reductor 9 and servomotor 8, described change of lap axle drives change of lap by reductor 9 by change of lap servomotor 8, described change of lap axle is provided with the change of lap arm of force 10, the described change of lap arm of force 10 left and right sides is connected to closed reel, be respectively the first closed reel 4 and the second closed reel 6, described first closed reel 4 and the second closed reel 6 are equipped with pipe clamping device 3.
Further, described pipe clamping device 3 comprises permanent seat 30, baffle plate 28, clamping seats 23, fixture block 24 and spring 29, described permanent seat 30 to be located on the closed reel that is attached thereto and to be fixedly connected with baffle plate 28, described baffle plate 28 realizes being flexibly connected with bearing pin 31 by having axis hole with clamping seats 23, described clamping seats 23 is installed the fixture block 24 that inside face is provided with groove, described fixture block 24 is by air cylinder driven, and described spring 29 one end is fixed on baffle plate 28, and the other end is fixed on clamping seats 23; Coupling end and the baffle plate 28 of the coupling end of described baffle plate 28 and spring 29, clamping seats 23 and spring 29 form triangle; Described cylinder is connected with clamping seats 23 with connecting panel by Connection Block successively; Described bearing pin 31 outside is provided with back-up ring 32.
Further, described automatic coiling machine is also provided with for the automatic Arrange-line System 7 for closed reel winding displacement, and described automatic Arrange-line System 7 comprises wire-arranging mechanism and tube feeding mechanism 11; Described wire-arranging mechanism comprises the winding displacement body frame 16 being located at frame side, winding displacement body frame 16 is provided with displacement screw mandrel 17, the described displacement screw mandrel left and right sides is provided with line slideway 19, described winding displacement leading screw 17 is connected to along the reciprocating cliding seat 18 of winding displacement leading screw 17 by screw collar, and described winding displacement leading screw 17 is by winding displacement driven by servomotor; Described cliding seat 18 is provided with tube feeding mechanism 11, described tube feeding mechanism 11 comprises and send pipe support 22, described sending in pipe support 22 is provided with for carrying tubing and setting up and down multiplely sending pipe sprocket wheel 20, the telescopic code wheel 12 sending pipe bar 21 and contact with the pipe outer surface sent on pipe sprocket wheel 20, described in send pipe bar 21 to be connected with clamp.
Further described tube feeding mechanism 11 is connected with cutter sweep, and described cutter sweep comprises the cutter 33 be located at and sent pipe support 22 front end, and described cutter are connected with cutting lift cylinder 35.
Further, described first servomotor, the second servomotor with winding displacement servomotor also andlogic control device be connected, the second closed reel 6 often rotates and controls by logic controller the distance that displacement screw mandrel 17 forward impelling to be equivalent to pipe diameter by winding displacement servomotor once enclosing.
Further, described PP is with automatic packing machine structure 2 to comprise packing head, and described packing head is by driven by servomotor of packing.
Further, automatic coiling machine of the present utility model also comprises automatic storing device, described automatic storing device comprises storage rack 15, described storage rack 15 being provided with one can the semicircle tugboat 13 of oscilaltion, described semicircle tugboat 13 is connected with automatic tension controller, and described semicircle tugboat 13 has multiple sprocket wheel 14.
The packing head of logic controller, clamp, partial cylinders, packing mechanism 2 and belt wheel, part motor and automatic tension regulating mechanism do not identify in the accompanying drawings, it can need configuration according to physical device, the logic controller of the present embodiment is placed on servomotor 9 li, and automatic tension regulating mechanism is arranged on winder front end.
Working process of the present utility model: sending clamp clamping tubing under the tight cylinder action of pipe clamp, sending send pipe bar 21 to push under the effect of pipe servomotor distance that tubing advances to setting, then terminal is risen to sending under the effect of pipe lift cylinder, now the front end of tubing is sent in the pipe clamping device 3 on the second closed reel 6, now rolling clamping cylinder promotion fixture block 24 advances, and tubing is clamped, and spring 29 and baffle plate 28 make fixture block 24 remain on the position sending pipe direction level; Send pipe Serve Motor Control to send pipe bar 21 back to original position after treating pipe clamping device clamping tubing, then the servomotor of the second closed reel 6 brings into operation, and the second closed reel 6 starts rolling under the control of servomotor.During rolling, spring 29 and baffle plate 28 make fixture block 24 turn to certain angle together with tubing, ensure that fixing device 3 clamps tubing.Under the effect of logic controller, the winding displacement servomotor of automatic Arrange-line System 7 runs according to the cam curve set, the complete circle of the namely every rolling of the second closed reel 6, winding displacement driven by servomotor displacement screw mandrel 17 is advanced one and is equivalent to the distance of pipe diameter, carries out the rolling of next circle.Code wheel 12 on tube feeding mechanism 11, also be length metering coder, measure the automatic turning change of lap length of the tubing of required rolling, when change of lap length arrives, change of lap servomotor 8 drives the change of lap arm of force 10 clockwise direction to carry out automatic turning, after flip angle arrives 180 degree, upset stops, and now realizes rolling station and preparation rolling Switch of working position.In switching process, on the one hand, winding displacement servo is still run by the cam curve preset, and on the other hand, preparation work reel is also that the first closed reel 4 slowly rotates.
Tube feeding mechanism 11 front end arranges cutter 33, and cutter 33 are driven by cutting lift cylinder 35, automatically can cut off tubing according to the coiling length of setting.When cutoff signal is about to arrive, packing head advances and is adjacent to tube surfaces under the effect of servomotor, for incising pipes is prepared, makes the tubing by keeping well loose after avoiding tubing to cut off owing to losing tension force instantaneously.When cutoff signal arrives, cutter 33 rise and then decline under cutting lift cylinder 35 acts on, and cut off tubing.After tubing is cut-off, spacing in the fast return to winding displacement of winding displacement servo, wait for rolling next time.Meanwhile, the closed reel that the second Serve Motor Control is carrying out rolling is also that the second closed reel 6 rolling speed is slack-off, rolls and then stops at packing calibration position, wait for the instruction of PP band packing with slow rotation until by the tubing of remaining length.
When after the reel arrival first packing indexing position that rolling completes, head of packing under the control of PLC motor can carry out sending of PP band by packing servomotor band movable belt pulley and be with and take-up action, packing spindle motor rotates, and completes and cuts band and adhesive tape action, and primary importance calibration PP band has been tied up.Takeup reel rotate 120, then by this flow process continued second and the 3rd indexing position PP band packing action.After three packing stations complete, packing head is back to original position, and discharging cylinder completes the discharging of tubing.
The device that the utility model adopts is provided with automatic storing device, comprising storage rack 15 and one can the semicircle tugboat 13 of oscilaltion, semicircle tugboat is provided with multiple sprocket wheel 14, described semicircle tugboat 13 is also connected to automatic tension controller, in wrapup procedure, if the speed of the second closed reel 6 is greater than the linear velocity of tubing, namely the delivery speed of tubing is less than rolling speed, tension force suffered by tubing can increase, now automatic tension controller control semicircle tugboat 13 declines automatically, tension force reduces thereupon automatically, otherwise, if the speed of the second closed reel 6 is less than the linear velocity of tubing, the tension force that tubing receives can reduce, semicircle tugboat 13 rises automatically, tension force increases thereupon automatically, therefore to arrive the effect automatically regulating tube stretch.
In addition, in switching process, semicircle tugboat 13 can be subject to that tension force increases and automatically decline, can drop to minimum at the end of upset, once after tubing cuts off, newly twist in the process of automatic feed tube and fail rolling at once, cause the tubing piled up to increase, now semicircle tugboat 13 can continue to rise because of the minimizing of tube stretch, is temporarily stored by the tubing of accumulation, after new volume send pipe, along with the twirl of new volume, the tubing of storage is rolled-up again, reaches automatic storing effect, avoid in workshop, having tubing to pile up, cause confusion.
Claims (7)
1. an automatic coiling machine, comprise frame, described frame is provided with coil replacing mechanism, it is characterized in that, described coil replacing mechanism comprises the change of lap axle be fixed in frame, reductor and change of lap servomotor, described change of lap axle by reductor by change of lap driven by servomotor change of lap, described change of lap axle is provided with the change of lap arm of force, the described change of lap arm of force left and right sides is connected to closed reel, be respectively the first closed reel and the second closed reel, described first closed reel and the second closed reel are controlled by the first servomotor and the second driven by servomotor respectively, and described first closed reel and the second closed reel are equipped with pipe clamping device.
2. automatic coiling machine according to claim 1, it is characterized in that, described pipe clamping device comprises permanent seat, baffle plate, clamping seats, fixture block and spring, described permanent seat to be located on closed reel and to be fixedly connected with baffle plate, described baffle plate realizes being flexibly connected by having axis hole and bearing pin with clamping seats, and described clamping seats has been installed the fixture block that inside face is provided with groove, described fixture block is by air cylinder driven, described spring one end is fixed on baffle plate, and the other end is fixed on clamping seats; Coupling end and the baffle plate of the coupling end of described baffle plate and spring, clamping seats and spring form triangle; Described cylinder is connected with clamping seats with connecting panel by Connection Block successively; Described bearing pin outside is provided with back-up ring.
3. automatic coiling machine according to claim 1, is characterized in that, be also provided with for the automatic Arrange-line System for closed reel winding displacement, described automatic Arrange-line System comprises wire-arranging mechanism and tube feeding mechanism; Described wire-arranging mechanism comprises the winding displacement body frame being located at frame side, winding displacement body frame is provided with displacement screw mandrel, the described displacement screw mandrel left and right sides is provided with line slideway, described winding displacement leading screw is connected to along the reciprocating cliding seat of winding displacement leading screw by screw collar, and described winding displacement leading screw is by winding displacement driven by servomotor; Described cliding seat is provided with tube feeding mechanism, described tube feeding mechanism comprises and send pipe support, described sending in pipe support is provided with for carrying tubing and setting up and down multiplely sending pipe sprocket wheel, the telescopic code wheel sending pipe bar and contact with the pipe outer surface sent on pipe sprocket wheel, described in send pipe bar to be connected with clamp.
4. automatic coiling machine according to claim 3, is characterized in that, described tube feeding mechanism is connected with cutter sweep, and described cutter sweep comprises the cutter be located at and sent pipe support front end, and described cutter are connected with cutting lift cylinder.
5. automatic coiling machine according to claim 3, it is characterized in that, the also andlogic control device electrical connection of described first servomotor, the second servomotor and winding displacement servomotor, described closed reel is often rotated once enclosing the distance by logic controller control motor, displacement screw mandrel forward impelling being equivalent to pipe diameter.
6. automatic coiling machine according to claim 1, it is characterized in that, described frame is also provided with for being with automatic packing machine structure for the PP of the tubing packing on closed reel, described PP is with automatic packing machine structure to comprise packing head, and described packing head is by driven by servomotor of packing.
7. automatic coiling machine according to claim 1, it is characterized in that, also comprise automatic storing device, described automatic storing device comprises storage rack, described storage rack being provided with one can the semicircle tugboat of oscilaltion, described semicircle tugboat is connected with automatic tension controller, and described semicircle tugboat has multiple sprocket wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420563141.XU CN204057463U (en) | 2014-09-28 | 2014-09-28 | A kind of automatic coiling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420563141.XU CN204057463U (en) | 2014-09-28 | 2014-09-28 | A kind of automatic coiling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204057463U true CN204057463U (en) | 2014-12-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420563141.XU Withdrawn - After Issue CN204057463U (en) | 2014-09-28 | 2014-09-28 | A kind of automatic coiling machine |
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| CN (1) | CN204057463U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104210897A (en) * | 2014-09-28 | 2014-12-17 | 广东联塑机器制造有限公司 | Automatic coiling machine |
| CN106275562A (en) * | 2015-06-26 | 2017-01-04 | 广东联塑机器制造有限公司 | A kind of tubing automatic winding bale packing streamline |
| CN106314852A (en) * | 2015-06-26 | 2017-01-11 | 广东联塑机器制造有限公司 | Pipe compression positioning device for automatic winder |
| CN106527241A (en) * | 2016-12-31 | 2017-03-22 | 常州三泰塑胶有限公司 | Double-station winding machine control system |
| CN106892302A (en) * | 2015-12-21 | 2017-06-27 | 杜泽秋 | A kind of automatic taking baling press |
| CN110054020A (en) * | 2019-06-02 | 2019-07-26 | 上海卞励实业有限公司 | A kind of material rolling device of medical stainless steel silk |
| CN110980429A (en) * | 2019-12-06 | 2020-04-10 | 大连春禾智能科技有限公司 | Universal full-automatic pipe coiling and unloading machine for PE and PERT pipes |
-
2014
- 2014-09-28 CN CN201420563141.XU patent/CN204057463U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104210897A (en) * | 2014-09-28 | 2014-12-17 | 广东联塑机器制造有限公司 | Automatic coiling machine |
| CN106275562A (en) * | 2015-06-26 | 2017-01-04 | 广东联塑机器制造有限公司 | A kind of tubing automatic winding bale packing streamline |
| CN106314852A (en) * | 2015-06-26 | 2017-01-11 | 广东联塑机器制造有限公司 | Pipe compression positioning device for automatic winder |
| CN106275562B (en) * | 2015-06-26 | 2019-03-08 | 广东联塑机器制造有限公司 | A kind of tubing automatic winding bale packing assembly line |
| CN106892302A (en) * | 2015-12-21 | 2017-06-27 | 杜泽秋 | A kind of automatic taking baling press |
| CN106527241A (en) * | 2016-12-31 | 2017-03-22 | 常州三泰塑胶有限公司 | Double-station winding machine control system |
| CN110054020A (en) * | 2019-06-02 | 2019-07-26 | 上海卞励实业有限公司 | A kind of material rolling device of medical stainless steel silk |
| CN110980429A (en) * | 2019-12-06 | 2020-04-10 | 大连春禾智能科技有限公司 | Universal full-automatic pipe coiling and unloading machine for PE and PERT pipes |
| CN110980429B (en) * | 2019-12-06 | 2021-07-20 | 大连春禾智能科技有限公司 | Universal full-automatic pipe coiling and unloading machine for PE and PERT pipes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141231 Effective date of abandoning: 20171114 |