CN209335677U - A kind of automatic traction pipe installation - Google Patents
A kind of automatic traction pipe installation Download PDFInfo
- Publication number
- CN209335677U CN209335677U CN201822016562.1U CN201822016562U CN209335677U CN 209335677 U CN209335677 U CN 209335677U CN 201822016562 U CN201822016562 U CN 201822016562U CN 209335677 U CN209335677 U CN 209335677U
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- Prior art keywords
- cut
- frame
- conveying mechanism
- conveyer belt
- positioning disk
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- 238000009434 installation Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 93
- 238000005520 cutting process Methods 0.000 claims abstract description 42
- 238000009826 distribution Methods 0.000 claims abstract description 4
- 230000004308 accommodation Effects 0.000 claims abstract description 3
- 230000001360 synchronised effect Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 11
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
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Abstract
The utility model discloses a kind of automatic traction pipe installations, comprising: material storing mechanism can accommodate the pipe cutting to be cut of coiling with accommodation groove, and by pipe cutting to be cut from the discharge port output of material storing mechanism；Conveying mechanism connects the discharge port of material storing mechanism, and stretchy pipe cutting to be cut；Guiding mechanism, with positioning disk, positioning disk is circle, and circumference array is distributed the different circular hole of multiple diameters, and pipe cutting to be cut can pass through circular hole from positioning disk side；Wherein, conveying mechanism and guiding mechanism stretch pipe cutting to be cut；Cutter, it is arranged between positioning disk and conveying mechanism, is located above round tube, toothed belt, it is arranged between the positioning disk and the conveying mechanism, toothed belt is circle, and surrounding has the square shaped teeth of circle distribution, has groove in the middle part of square shaped teeth, groove holds in the palm pipe cutting to be cut for containing, the present apparatus is stretched the both ends of round tube by conveying mechanism and delivery pipe, drives cutter to cut off round tube using cylinder, cutting accuracy is high.
Description
Technical field
The utility model relates to machine cuts fields, more particularly to a kind of automatic traction pipe installation.
Background technique
PA pipe is widely used in industrial circle at present, while client is to for example long short precision of the use demand difference of PA pipe
Requirement, requirement, the outside logo label of end face squareness etc., be usually all using mechanical means or manually to be cut off；Hand
The pipe cutting machine of dynamic operation cutting operation in a variety of manners, such as with Pipe Cutting rounding machine cutter pass through pipe cut saw movement or tooth in succession gradually
Precession is made.Under normal conditions, these pipe cutting methods lead to faulty cutting, or when Pipe Cutting, pipe are caused to snap.Hand
The pipe cutting machine of dynamic operation also results in for a user to be difficult to meet ergonomics.Specifically, hand sizes it is relatively small or
Hand strength or the relatively small user of wrist strength have difficulties when completing pipe cutting.And existing machine cuts are to different materials
Matter, different tube diameters when the materials in the tube of different-thickness are cut, all use identical feed program, cause cutting accuracy poor, cut
It is slow to cut speed, cutting efficiency is low and unstable quality.
Utility model content
The utility model has designed and developed a kind of automatic traction pipe installation, by conveying mechanism and delivery pipe by round tube
Both ends stretch, and drive cutter to cut off round tube using cylinder, cutting accuracy is high.
The utility model is that the different circular hole of multiple diameters is arranged on positioning disk there are one purpose, can be to not
Round tube with size is cut.
Technical solution provided by the utility model are as follows:
A kind of automatic traction pipe installation, comprising:
Material storing mechanism can accommodate the pipe cutting to be cut of coiling with accommodation groove, and the pipe cutting to be cut is deposited from described
Expect the discharge port output of mechanism；
Conveying mechanism connects the discharge port of the material storing mechanism, and can pull the pipe cutting to be cut；
Guiding mechanism, with positioning disk, the positioning disk is circle, and circumference array is distributed multiple diameters differences
Circular hole, the pipe cutting to be cut can from the positioning disk side pass through the circular hole；
Wherein, the conveying mechanism and the guiding mechanism stretch the pipe cutting to be cut；
Cutter is arranged between the positioning disk and the conveying mechanism, is located above round tube, and driven by cylinder
Lower movement；
Toothed belt is arranged between the positioning disk and the conveying mechanism, and the toothed belt is circle, and four
There is in week the square shaped teeth of circle distribution, there is groove in the middle part of the square shaped teeth, the groove holds in the palm the pipe cutting to be cut for containing.
Preferably, the conveying mechanism includes:
Carriage；
First conveyer belt is detachably arranged on the carriage；
Second conveyer belt is detachably arranged on the carriage, is located above the first conveyer belt, described first
Conveyer belt and second conveyer belt are arranged in parallel, and have interval.
Preferably, further includes:
Slideway is fixed on the carriage, and second conveyer belt side has sliding block, and the sliding block can be in institute
Sliding in slideway is stated, and then adjusts the interval of the first conveyer belt and second conveyer belt.
Preferably, further include lower air cylinder, be arranged above second conveyer belt, connect the slideway, it can
The sliding block is pushed to slide up and down.
Preferably, further include traction mechanism, be arranged between conveying mechanism and the material storing mechanism comprising:
Hitch frame；
Third conveyer belt, is detachably arranged on hitch frame；
Supporting plate is fixed on the hitch frame；
Top plate is slidably arranged on the hitch frame, and by pusher cylinder adjust the top plate and the supporting plate it
Between distance.
Preferably, the material storing mechanism includes:
Expect frame, be open-topped quadrangle box, the quadrangle box side has feed inlet；
Hand wheel shaft is rotatably supported in the material frame；
First helical gear is set on the hand wheel shaft, and can be rotated with the hand wheel shaft；
Multiple linear slide rails are cylindricality, and surface has external screw thread, and one end of the linear slide rail has the second helical teeth
Wheel, the linear slide rail other end are fixed on the material frame, and second helical gear is engaged with first helical gear；
Backgauge frame, bottom have circular hole, and the circular hole has internal screw thread, and the backgauge frame is set in the linear slide rail
On, and can be slided along the linear slide rail.
Preferably, the material storing mechanism includes:
Expect frame, be open-topped quadrangle box, the quadrangle box side has feed inlet；
Hand wheel shaft is supported in the material frame；
Handwheel, center have cylindricality round tube, and the cylindricality round tube is set on the hand wheel shaft, and can be along the hand
Wheel shaft slides up and down；
Multiple linear slide rails are fixed in the quadrangle box；
Multiple first supports, one end can be slided along the cylindricality round tube, and other end connection sliding block, the sliding block can
It is slided along the linear slide rail；
Multiple second supports, one end and the handwheel bottom are hinged, and the other end is set in the middle part of the first support；
Backgauge frame, setting on the slide block, and can be slided with the sliding block.
Preferably, further include multiple conveying mechanisms, be arranged between the conveying mechanism and the material frame, the biography
Expect that mechanism includes:
Cylindrical stent；
Delivery wheel to be round, and has groove, and the delivery wheel can be slided up and down along the cylindrical stent.
Preferably, further include intermittent feed mechanism, be arranged in the conveying mechanism side, the intermittent feed mechanism
Include:
Fixed frame is " n " type；
Roller shaft is detachably arranged at the fixed frame aperture position；
Idler wheel is cylindricality, is set on the roller shaft, and can cover the roller shaft rotation.
Beneficial effect described in the utility model
The utility model has designed and developed a kind of automatic traction pipe installation, by conveying mechanism and delivery pipe by round tube
Both ends stretch, and drive cutter to cut off round tube using cylinder, cutting accuracy is high, and the different circle of multiple diameters is arranged on positioning disk
Hole can cut various sizes of round tube, realize in the course of work and automatically cut off to PA pipe, while can guarantee
Quickly output, chopped disconnected and end face the verticality requirement of fixed length, are carried out past using servo motor driving, synchronous belt and synchronous pulley
Multiple rotation etc., shearing length are controlled by PLC, and whole process is automatically performed, and improves production efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of automatic traction pipe installation described in the utility model.
Fig. 2 is cutting mechanism structural schematic diagram described in the utility model.
Fig. 3 is the scheme of installation of cutting mechanism described in the utility model.
Fig. 4 is the structural schematic diagram of positioning disk described in the utility model.
Fig. 5 is the structural schematic diagram of cutter described in the utility model.
Fig. 6 is conveying mechanism structural schematic diagram described in the utility model.
Fig. 7 is the structural schematic diagram of traction mechanism described in the utility model.
Fig. 8 is the structural schematic diagram of material stock frame described in the utility model.
Fig. 9 is the top view of material stock frame described in the utility model.
Figure 10 is the structural schematic diagram of linear slide rail mechanism described in the utility model.
Figure 11 is the structural schematic diagram of another embodiment of linear slide rail mechanism described in the utility model.
Figure 12 is the structural schematic diagram of conveying mechanism described in the utility model.
Figure 13 is the structural schematic diagram of intermittent feed mechanism described in the utility model.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art referring to explanation
Book text can be implemented accordingly.
As shown in Figure 1, automatic traction pipe installation provided by the utility model include: material stock frame 100, conveying mechanism 200,
First traction mechanism 300, operating device 400 and cutting mechanism 500.
As Figure 2-3, cutting mechanism 500 includes: leading truck 510, positioning disk 520, conveying mechanism 530, delivery pipe 540
With cutter 550.
Wherein, leading truck 510 is frame body, has backboard, positioning disk 520；For circle, and circumference array is distributed multiple diameters
Circular hole of different sizes, positioning disk are rotatably supported on the backboard of leading truck 510；Its setting of conveying mechanism 530 is in positioning disk
520 sides, for round tube to be transported in positioning disk 520；The setting of delivery pipe 540 is located at positioning disk in 520 other side of positioning disk
520 lower sections, for stretching the round tube with cutting；Cutter 550 is arranged between positioning disk 520 and conveying mechanism 530, is located at band
It cuts above round tube, and is moved up and down by the drive of cylinder 551.
As shown in Figure 4,5, toothed belt 560 is arranged between positioning disk 520 and conveying mechanism 530, and toothed belt 560 is
Circle, and surrounding has the square shaped teeth of circle distribution, has groove in the middle part of square shaped teeth, groove holds in the palm round tube to be cut for containing.
As shown in fig. 6, conveying mechanism 530 includes: carriage 531, first conveyer belt 532, the second conveyer belt 533 and slideway
534.Carriage 531 has backboard, and first conveyer belt 532 is detachably secured on the backboard of carriage 531 by bolt；Second
Conveyer belt 533 is slidably arranged on the backboard of carriage 531 by slideway, and 532 top of first conveyer belt, first conveyer belt are located at
532 and second conveyer belt 533 be arranged in parallel, and have certain interval.Slideway 534 is fixed on carriage 531, the second conveying
533 side of band has sliding block, and sliding block can slide in slideway 534, and then adjusts first conveyer belt 532 and the second conveyer belt
533 interval.Lower air cylinder 535 is fixed on 533 top of the second conveyer belt, connects slideway, sliding block can be pushed to slide up and down, into
And adjust the interval of first conveyer belt 532 and the second conveyer belt 533.
Round tube to be cut is placed on the second conveyer belt 533 when use, lower air cylinder 535 is fixed on the second conveyer belt
533 tops, connect slideway, sliding block can be pushed to slide up and down, and then adjust first conveyer belt 532 and the second conveyer belt 533
Interval, round tube to be cut is strapped between the first conveyer belt 532 and the second conveyer belt 533, prevents round tube from skidding off.
As shown in fig. 7, traction mechanism 600 is arranged in conveying mechanism side comprising: hitch frame 610, third conveyer belt
620, supporting plate 630 and top plate 640.Third conveyer belt 620 is detachably arranged on hitch frame 610 by bolt；Supporting plate 630 is fixed
On hitch frame 610；Top plate 640 is slidably arranged on hitch frame 610, and adjusts top plate 640 and supporting plate 630 by pusher cylinder
The distance between.
As a preference, first conveyer belt 532, the second conveyer belt 533 and third conveyer belt 530 are drawn by synchronous pulley
It is dynamic.
As Figure 8-9, material stock frame 100 includes: material frame 110, hand wheel shaft 120 and linear slide rail mechanism.Expect that frame 110 is top
The quadrangle box of portion's opening, quadrangle box side have feed inlet, and dodge gate is arranged in gating location.Hand wheel shaft 120 is rotatable
It is supported in material frame 110.
As shown in Figure 10, the first helical gear 131 of linear slide rail mechanism is set on hand wheel shaft 120, and can be with handwheel
Axis 120 rotates；Multiple linear slide rails 132 are cylindricality, and surface has external screw thread, and one end of linear slide rail 132 has the second helical teeth
Wheel 133, the other end of linear slide rail 132 are fixed on material frame 110, and the second helical gear 133 is engaged with the first helical gear 131；Gear
Expect that 134 bottom of frame has circular hole, circular hole has internal screw thread, and backgauge frame 134 is set on linear slide rail 132, and can be along linear
Sliding rail 132 slides.As a preference, material 110 side of frame has discharge port 138.
In use, round tube to be cut is set in linear slide rail mechanism, handwheel is rotated, 131 band of the first helical gear is started
Wheel shaft 120 rotates, and the second helical gear 133 is rotated synchronously with the first helical gear 131, and linear slide rail 132 rotates, 134 edge of backgauge frame
Linear slide rail 132 slides, and backgauge frame 134 props up the round tube to be cut of coiling, and one end of round tube to be cut is put into discharge port.
As shown in figure 11, in another embodiment, linear slide rail mechanism includes: hand wheel shaft 120, is supported on material frame 110
It is interior；There is cylindricality round tube 141a, cylindricality round tube 141a to be set on the hand wheel shaft 120 at handwheel 141 center, and can be along handwheel
Axis 120 slides up and down；Multiple linear slide rails 132 are fixed in quadrangle box；It multiple 142 one end of first support can be along cylindricality circle
Pipe 141a sliding, other end connection sliding block 143, sliding block 143 can be slided along linear slide rail 132；Multiple 144 one end of second support
Hinged with 141 bottom of handwheel, the other end is set in 142 middle part of first support；Backgauge frame 134 is fixed on sliding block 143, and
It can be slided with sliding block 143.
In use, round tube to be cut is set in linear slide rail mechanism, 141 slide downward of handwheel, cylindricality round tube are pushed
One end that 141a presses first support 142 is slided along cylindricality round tube 141a, and the other end of second support is along first support 142
It is slided to the direction of cylindricality round tube 142a, the other end of first support 142a pushes sliding block 143 to separate cylindricality round tube 141a's
Rectangular sliding, backgauge frame 134 prop up the round tube to be cut of coiling, and one end of round tube to be cut is put into discharge port 138.
As shown in figure 12, multiple conveying mechanisms 200 are arranged between conveying mechanism 530 and material stock frame 100, conveying mechanism
200 include: cylindrical stent 210；Delivery wheel 220 is circle, and has groove, and delivery wheel 220 can be along about 210 cylindrical stent
Sliding.
As shown in figure 13, in another embodiment, further includes: intermittent feed mechanism 250 is arranged in the conveying mechanism 530
Side can be such that round tube to be cut passes through from the middle part of conveying mechanism 530.Intermittent feed mechanism include: fixed frame 251 its be
" n " type；Roller shaft 252 its be detachably arranged at the fixed frame aperture position；It is cylindricality to idler wheel 253, is set in roller shaft
On 252, and it can be rotated around roller shaft 252.
For pipe cutting to be cut by multiple conveying mechanisms 200, traction mechanism 600 enters conveying mechanism 530 later, and servo motor is logical
The rotation of drive synchronous pulley is crossed, makes synchronous belt and synchronous pulley is carried out to driving front, while lower air cylinder is compressed, and can be with
The relative displacement of lower air cylinder walking is monitored by displacement sensor.
Operator will expect that frame door is opened, and rotation hand wheel drives lead screw rotation, be rotated before driving linear slide rail 132 by handwheel
After move, backgauge frame 134 is shunk, and materail tube is placed on material stock mouth by operation, is chosen to install handwheel and is opened backgauge frame 134, leads manually
It introduces and enters conveying mechanism 200 into delivery port, while brake increases resistance, guarantees the tractive force of delivery pipe.
PA pipe to be cut passes through the delivery wheel wheel of traction mechanism 600, into conveying mechanism 530, by rotating positioning disk
520 convey the pipe of different tube diameters, while lower air cylinder drives pair of rollers pipe to be compressed, and is transported to traction mechanism three
In, traction electric machine carries out the second conveyer belt 533 and first conveyer belt 532 and synchronous pulley by driving synchronous pulley rotation
To driving front, while lower air cylinder is compressed, and the opposite of lower air cylinder walking can be monitored by displacement sensor
Displacement,
Driving motor drives the synchronous toothed belt on synchronous pulley and conveyer belt to be rotated, and pipe is made to enter positioning disk
520, wherein 16 kinds of guide pipe point, different pipe specifications proceed in different guide pipes, and PLC controls the length of pipe operation, work as arrival
Cutting knife cylinder drives the stretching of cutter 550 to be cut when certain length, and 550 cylinder of cutter drives cutter to retract after the completion of cutting,
The pipe of cutting is entered in code-spraying mechanism by delivery pipe pipe, and motor is driven to adjust the position of code spraying head with movable belt pulley and lead screw
Carry out coding is set, then pipe enters in marking mechanism, and mark motor drives synchronous belt and synchronous pulley rotation that lead screw is driven to carry out
It is reciprocal to move up and down, mark is carried out, is carried out in long delivery pipe after the completion of mark, cutting is completed and placed in qualified magazine.
The utility model has designed and developed a kind of automatic traction pipe installation, by conveying mechanism and delivery pipe by round tube
Both ends stretch, and drive cutter to cut off round tube using cylinder, cutting accuracy is high, and the different circle of multiple diameters is arranged on positioning disk
Hole can cut various sizes of round tube, realize in the course of work and automatically cut off to PA pipe, while can guarantee
Quickly output, chopped disconnected and end face the verticality requirement of fixed length, are carried out past using servo motor driving, synchronous belt and synchronous pulley
Multiple rotation etc., shearing length are controlled by PLC, and whole process is automatically performed, and improves production efficiency.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (9)
1. a kind of automatic traction pipe installation characterized by comprising
Material storing mechanism can accommodate the pipe cutting to be cut of coiling with accommodation groove, and by the pipe cutting to be cut from the material stock machine
The discharge port output of structure；
Conveying mechanism connects the discharge port of the material storing mechanism, and can pull the pipe cutting to be cut；
Guiding mechanism, with positioning disk, the positioning disk is circle, and circumference array is distributed the different circle of multiple diameters
Hole, the pipe cutting to be cut can pass through the circular hole from the positioning disk side；
Wherein, the conveying mechanism and the guiding mechanism stretch the pipe cutting to be cut；
Cutter is arranged between the positioning disk and the conveying mechanism, is located above round tube, and driven and moved down by cylinder
It is dynamic；
Toothed belt is arranged between the positioning disk and the conveying mechanism, and the toothed belt is circle, and surrounding has
There is the square shaped teeth of circle distribution, there is groove in the middle part of the square shaped teeth, the groove holds in the palm the pipe cutting to be cut for containing.
2. automatic traction pipe installation according to claim 1, which is characterized in that the conveying mechanism includes:
Carriage；
First conveyer belt is detachably arranged on the carriage；
Second conveyer belt is detachably arranged on the carriage, is located above the first conveyer belt, first conveying
Band and second conveyer belt are arranged in parallel, and have interval.
3. automatic traction pipe installation according to claim 2, which is characterized in that further include:
Slideway is fixed on the carriage, and second conveyer belt side has sliding block, and the sliding block can be in the cunning
It is slided in road, and then adjusts the interval of the first conveyer belt and second conveyer belt.
4. automatic traction pipe installation according to claim 3, which is characterized in that further include lower air cylinder, setting exists
Above second conveyer belt, the slideway is connected, the sliding block can be pushed to slide up and down.
5. automatic traction pipe installation according to claim 3, which is characterized in that further include traction mechanism, setting exists
Between conveying mechanism and the material storing mechanism comprising:
Hitch frame；
Third conveyer belt, is detachably arranged on hitch frame；
Supporting plate is fixed on the hitch frame；
Top plate is slidably arranged on the hitch frame, and is adjusted between the top plate and the supporting plate by pusher cylinder
Distance.
6. according to claim 1-2, automatic traction pipe installation described in any one of 4-5, which is characterized in that the material stock machine
Structure includes:
Expect frame, be open-topped quadrangle box, the quadrangle box side has feed inlet；
Hand wheel shaft is rotatably supported in the material frame；
First helical gear is set on the hand wheel shaft, and can be rotated with the hand wheel shaft；
Multiple linear slide rails are cylindricality, and surface has external screw thread, and one end of the linear slide rail has the second helical gear, institute
The linear slide rail other end is stated, is fixed on the material frame, second helical gear is engaged with first helical gear；
Backgauge frame, bottom have circular hole, and the circular hole has internal screw thread, and the backgauge frame is set on the linear slide rail,
And it can be slided along the linear slide rail.
7. according to right will according to claim 1-2, automatic traction pipe installation described in any one of 4-5, which is characterized in that
The material storing mechanism includes:
Expect frame, be open-topped quadrangle box, the quadrangle box side has feed inlet；
Hand wheel shaft is supported in the material frame；
Handwheel, center have cylindricality round tube, and the cylindricality round tube is set on the hand wheel shaft, and can be along the hand wheel shaft
It slides up and down；
Multiple linear slide rails are fixed in the quadrangle box；
Multiple first supports, one end can be slided along the cylindricality round tube, and other end connection sliding block, the sliding block can be along institute
State linear slide rail sliding；
Multiple second supports, one end and the handwheel bottom are hinged, and the other end is set in the middle part of the first support；
Backgauge frame, setting on the slide block, and can be slided with the sliding block.
8. automatic traction pipe installation according to claim 7, which is characterized in that further include multiple conveying mechanisms, set
It sets between the conveying mechanism and the material frame, the conveying mechanism includes:
Cylindrical stent；
Delivery wheel to be round, and has groove, and the delivery wheel can be slided up and down along the cylindrical stent.
9. the automatic traction pipe installation according to claim 4 or 8, which is characterized in that it further include intermittent feed mechanism,
It is arranged in the conveying mechanism side, the intermittent feed mechanism includes:
Fixed frame is " n " type；
Roller shaft is detachably arranged at the fixed frame aperture position；
Idler wheel is cylindricality, is set on the roller shaft, and can cover the roller shaft rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822016562.1U CN209335677U (en) | 2018-11-28 | 2018-11-28 | A kind of automatic traction pipe installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822016562.1U CN209335677U (en) | 2018-11-28 | 2018-11-28 | A kind of automatic traction pipe installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209335677U true CN209335677U (en) | 2019-09-03 |
Family
ID=67750371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822016562.1U Expired - Fee Related CN209335677U (en) | 2018-11-28 | 2018-11-28 | A kind of automatic traction pipe installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209335677U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109454679A (en) * | 2018-11-28 | 2019-03-12 | 吉林文德孚科技有限公司 | A kind of automatic traction pipe installation |
-
2018
- 2018-11-28 CN CN201822016562.1U patent/CN209335677U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109454679A (en) * | 2018-11-28 | 2019-03-12 | 吉林文德孚科技有限公司 | A kind of automatic traction pipe installation |
| CN109454679B (en) * | 2018-11-28 | 2025-02-25 | 河北仰慕管道科技有限公司 | Automatic traction pipe cutting device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190903 Termination date: 20201128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |