CN211939541U - Chipless cutting device for PE (polyethylene) pipe - Google Patents
Chipless cutting device for PE (polyethylene) pipe Download PDFInfo
- Publication number
- CN211939541U CN211939541U CN202020374010.2U CN202020374010U CN211939541U CN 211939541 U CN211939541 U CN 211939541U CN 202020374010 U CN202020374010 U CN 202020374010U CN 211939541 U CN211939541 U CN 211939541U
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- fixed
- gear
- laser cutting
- cutting head
- seat
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- 238000005520 cutting process Methods 0.000 title claims abstract description 28
- 239000004698 Polyethylene Substances 0.000 title description 48
- -1 polyethylene Polymers 0.000 title description 2
- 229920000573 polyethylene Polymers 0.000 title description 2
- 238000003698 laser cutting Methods 0.000 claims abstract description 75
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 230000001681 protective effect Effects 0.000 claims abstract description 11
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000002950 deficient Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 208000012260 Accidental injury Diseases 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
A chipless cutting device for a PE pipe relates to the field of PE pipe production and comprises a base; a support; a cross frame; a sliding seat connected with the transverse frame in a sliding way; a sliding seat protective cover fixed on the sliding seat; the first toggle plate and the second toggle plate are fixed on the inner wall of the sliding seat protective cover; a rotating frame base fixed on the base; the rotary frame is connected with the rotary frame base through a shaft, the middle of the rotary frame is provided with a long-strip-shaped hole, the upper end of the rotary frame is arranged between the first toggle plate and the second toggle plate, and two side surfaces of the rotary frame are respectively contacted with the first toggle plate and the second toggle plate; a rotating frame driving mechanism connected with the rotating frame; the laser cutting head rotation driving mechanism is fixed at one end of the sliding seat; the laser cutting head is fixed on the laser cutting head rotation driving mechanism; the cylinder is fixed on the base; the PE pipe clamping mechanism is fixed on a telescopic rod of the air cylinder; the PE pipe is arranged in the PE pipe clamping mechanism. The device has the advantages of accurate control, high efficiency, smooth and flat cut, no flanging and low defective rate.
Description
Technical Field
The utility model relates to a PE manages production technical field, concretely relates to PE manages chipless cutting device.
Background
The PE pipe has the characteristics of high strength, high temperature resistance, corrosion resistance and the like, and is nontoxic and wear-resistant, so that the PE pipe is widely applied to the field of water supply and drainage. In the production and manufacturing process of the PE pipe, the PE pipe extruded and molded by the extruder needs to be cut into a certain length so as to meet the market demand. At present, the conventional PE pipe cutting equipment generally adopts a blade for cutting, and the blade cannot be used for cutting to avoid pipe scraps. In addition, the pipe mouth cut by the blade may be rough and uneven, and the defective rate is high. Meanwhile, the existing cutting equipment can only cut PE pipes of one type, and cannot cut PE pipes of other specifications and diameters.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned a plurality of problems that present PE pipe cutting equipment exists, the utility model provides a no bits cutting device of PE pipe.
The utility model discloses a solve the technical scheme that technical problem adopted as follows:
the utility model discloses a no bits cutting device of PE pipe, include:
a base;
a bracket fixed on the base;
a cross frame fixed on the bracket;
a sliding seat connected with the transverse frame in a sliding way;
a sliding seat protective cover fixed on the sliding seat;
the first toggle plate and the second toggle plate are fixed on the inner wall of the sliding seat protective cover;
a rotating frame base fixed on the base;
the rotary frame is connected with the rotary frame base through a shaft, the middle of the rotary frame is provided with a long-strip-shaped hole, the upper end of the rotary frame is arranged between the first toggle plate and the second toggle plate, and two side surfaces of the rotary frame are respectively contacted with the first toggle plate and the second toggle plate;
a rotating frame driving mechanism connected with the rotating frame;
the laser cutting head rotation driving mechanism is fixed at one end of the sliding seat;
the laser cutting head is fixed on the laser cutting head rotation driving mechanism;
the cylinder is fixed on the base;
the PE pipe clamping mechanism is fixed on a telescopic rod of the air cylinder; the PE pipe is arranged in the PE pipe clamping mechanism.
Further, the swivel mount drive mechanism includes: the sliding block, the sliding block shaft, the first bearing end cover, the first gear fixing plate, the second bearing end cover, the second gear, the gear driving motor base support, the first gear shaft, the second gear shaft, the gear driving motor and the second coupler are arranged in the elongated hole of the rotating frame;
the first gear is sleeved and fixed on a first gear shaft, two ends of the first gear shaft are respectively connected with a first gear fixing plate through bearings, a first bearing end cover is installed on the outer side of the first gear fixing plate, and the upper end of the first gear fixing plate, which is connected with the first gear fixing plate, is fixed on the outer side wall of the cross frame; the sliding block shaft is vertically fixed on the outer circumference of the first gear; the sliding block is sleeved and fixed on the sliding block shaft;
the second gear is sleeved and fixed on a second gear shaft, one end of the second gear shaft is connected with a second gear fixing plate through a bearing, a second bearing end cover is installed on the outer side of the second gear fixing plate, and the upper end of the second gear fixing plate is fixed on the outer side wall of the cross frame; the other end of the second gear shaft is connected with a driving shaft of the gear driving motor through a second coupler; the gear driving motor is fixed on the gear driving motor base; the gear driving motor bases are fixed on the plurality of gear driving motor base supports; a plurality of gear drive motor base supports are fixed on the base; the second gear is meshed with the first gear.
Further, the laser cutting head rotary drive mechanism includes: the device comprises a laser cutting head rotary driving motor base, a laser cutting head rotary driving motor shaft, a first coupler, a bearing seat, a rotating shaft, a connecting block, a laser cutting head rotary seat and a laser cutting head fixing seat;
the laser cutting head rotation driving motor base is fixed on the left side of the upper end of the sliding seat, the laser cutting head rotation driving motor is fixed on the first coupling laser cutting head rotation driving motor base, and a laser cutting head rotation driving motor shaft is connected with one end of the rotating shaft through the first coupling; the end of the rotating shaft is provided with a bearing, and the bearing is arranged on a bearing seat; the connecting block is fixed at the other end of the rotating shaft; the laser cutting head rotating seat is fixed on the connecting block; the laser cutting head fixing seat is fixed on the laser cutting head rotating seat; the laser cutting head is fixed on the laser cutting head fixing seat.
Further, the PE tube gripping device includes: the clamping device comprises a clamping seat, a spring mounting hole, a fixing ring, a spring and a clamping block; the clamping seat is of a semicircular and hollow structure; the center of the lower end of the clamping seat is fixed on a telescopic rod of the cylinder; the fixing ring is fixed at the upper end of the clamping seat; three guide holes are arranged on the fixing ring; the quantity of grip block is three, and three grip block is the arc structure, and three grip block one-to-one respectively installs in solid fixed ring's three guiding hole, forms the spring mounting hole between grip block and grip slipper, evenly installs a plurality of springs in every spring mounting hole, and spring one end links firmly with the grip block, and the spring other end is fixed on the grip slipper inner wall. Furthermore, a transverse first sliding hole is formed in the center of the transverse frame, and sliding grooves are formed in two sides of the upper surface of the transverse frame respectively.
Furthermore, a second sliding hole is formed in the center of the sliding seat, and sliding blocks are respectively arranged on two sides of the lower end of the sliding seat; the sliding blocks on the two sides of the lower end of the sliding seat are installed in the sliding grooves on the two sides of the upper end of the cross frame, and the sliding seat can slide on the cross frame.
The utility model has the advantages that:
1. the utility model discloses in, laser cutting head rotary driving mechanism can drive the laser cutting head and rotate after the cutting is accomplished, makes directional operative employee and PE pipe of laser output shaft not, plays the guard action.
2. The utility model discloses in, realize the cutting operation through revolving rack actuating mechanism drive revolving rack and whole laser cutting head motion, have the advantage that control is accurate, cutting efficiency is high, adopt laser cutting simultaneously, can make the tubular product incision smooth and level, no turn-ups phenomenon has improved tubular product cutting quality, reduces the defective percentage.
3. The utility model discloses in, can fix the centre gripping to the PE pipe of different specification pipe diameters through PE pipe clamping mechanism, realize the cutting of the PE pipe of different specification pipe diameters, convenient operation, safe and reliable.
Drawings
Fig. 1 is a schematic structural diagram of the chipless cutting apparatus for PE pipes of the present invention.
Fig. 2 is a top view of the cross frame.
FIG. 3 is a side view of the cross-frame
Fig. 4 is a top view of the slide mount.
Fig. 5 is a schematic view of the position relationship among the cross frame, the sliding seat and the sliding seat protective cover.
Fig. 6 is a schematic structural view of the first gear mechanism.
Fig. 7 is a schematic structural view of the second gear mechanism.
FIG. 8 is a schematic structural view of a PE tube clamping mechanism.
In the figure, 1, a base, 2, a bracket, 3, a cross frame, 4, a sliding seat, 5, a sliding seat protective cover, 6, a first toggle plate, 7, a second toggle plate, 8, a laser cutting head rotary driving motor base, 9, a laser cutting head rotary driving motor, 10, a laser cutting head rotary driving motor shaft, 11, a first coupler, 12, a bearing seat, 13, a rotating shaft, 14, a connecting block, 15, a laser cutting head rotary base, 16, a laser cutting head fixing seat, 17, a laser cutting head, 18, a PE pipe, 19, a PE pipe clamping mechanism, 20, a telescopic rod, 21, a cylinder, 22, a rotary frame base, 23, a rotary frame, 24, a sliding block, 25, a sliding block shaft, 26, a first bearing end cover, 27, a first gear, 28, a first gear fixing plate, 29, a second gear fixing plate, 30, a second bearing end cover, 31, a second gear, 32, a gear driving motor base, 33. a gear drive motor seat bracket 34, a first gear shaft 35, a second gear shaft 36, a gear drive motor 37 and a second coupling.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 8, the utility model discloses a chipless cutting device for PE pipe, mainly includes: the cutting device comprises a base 1, a support 2, a transverse frame 3, a sliding seat 4, a sliding seat protective cover 5, a first stirring plate 6, a second stirring plate 7, a laser cutting head 17, a laser cutting head rotation driving mechanism, a PE pipe clamping mechanism 19, a telescopic rod 20, an air cylinder 21, a rotating frame base 22, a rotating frame 23 and a rotating frame driving mechanism.
The bracket 2 is fixed on the base 1. The cross frame 3 is fixed on the bracket 2. As shown in fig. 2 and 3, the cross frame 3 has a first sliding hole 301 formed at the center thereof and sliding grooves 302 formed at both sides of the upper surface thereof. As shown in fig. 4 and 5, the sliding seat 4 is provided with a second sliding hole 402 at the center and sliding blocks 401 at both sides of the lower end. The sliding blocks 401 on both sides of the lower end of the sliding seat 4 are installed in the sliding grooves 302 on both sides of the upper end of the cross frame 3, and the sliding seat 4 can slide on the cross frame 3. The inside cavity of sliding seat protection casing 5, 5 lower extreme both sides of sliding seat protection casing are fixed respectively in sliding seat 4 upper end.
As shown in fig. 1, the first toggle plate 6 and the second toggle plate 7 are fixed on the inner wall of the sliding seat shield 5, and a certain distance is reserved between the first toggle plate 6 and the second toggle plate 7. The swivel mount base 22 is fixed to the base 1. The lower end of the rotating frame 23 is connected with the rotating frame base 22 through a shaft. The middle of the rotating frame 23 is a strip-shaped hole. The upper end of the rotating frame 23 is installed between the first toggle plate 6 and the second toggle plate 7, one end of the rotating frame 23 is contacted with the first toggle plate 6, and the other end of the rotating frame 23 is contacted with the second toggle plate 7.
The rotating frame driving mechanism comprises: the slide 24, the slide shaft 25, the first bearing end cover 26, the first gear 27, the first gear fixing plate 28, the second gear fixing plate 29, the second bearing end cover 30, the second gear 31, the gear drive motor base 32, the gear drive motor base bracket 33, the first gear shaft 34, the second gear shaft 35, the gear drive motor 36, and the second coupling 37.
The slider 24 is mounted in an elongated hole of the rotating frame 23. As shown in fig. 6, the first gear 27 is fixed on the first gear shaft 34 in a sleeved manner, two ends of the first gear shaft 34 are respectively connected with the first gear fixing plate 28 through bearings, the first bearing end cover 26 is installed outside the first gear fixing plate 28, and the upper end of the first gear fixing plate 28 is connected with and fixed on the outer side wall of the cross frame 3. The slider shaft 25 is vertically fixed on the outer circumference of the first gear 27. The slider 24 is fixed on the slider shaft 25.
As shown in fig. 7, the second gear 31 is fixed on the second gear shaft 35 in a sleeved manner, one end of the second gear shaft 35 is connected to the second gear fixing plate 29 through a bearing, the second bearing end cover 30 is installed outside the second gear fixing plate 29, and the upper end of the second gear fixing plate 29 is fixed on the outer side wall of the cross frame 3. The other end of the second gear shaft 35 is connected to a drive shaft of a gear drive motor 36 via a second coupling 37. The gear drive motor 36 is fixed to the gear drive motor mount 32. The gear drive motor mount 32 is fixed to a plurality of gear drive motor mount brackets 33. A plurality of gear drive motor mount brackets 33 are fixed to the base 1. Wherein the second gear 31 is intermeshed with the first gear 27.
The gear driving motor 36 is started to drive the second gear 31 to rotate, the first gear 27 is driven to rotate through the meshing action of the second gear 31 and the first gear 27, the slider shaft 25 makes a circular motion along the outer circumference of the first gear 27, and meanwhile, the slider 24 is driven to make a circular motion in the elongated hole of the rotating frame 23, so that the rotating frame 23 can be driven to make a left-right reciprocating motion through the slider 24, meanwhile, the first poking plate 6 and the second poking plate 7 as well as the sliding seat protective cover 5 are poked by the upper end of the rotating frame 23 to make a left-right reciprocating motion, and the sliding seat protective cover 5 is fixedly connected with the sliding seat 4, so that the sliding seat 4 can be finally driven to make a left-right reciprocating slide along the cross frame.
Laser cutting head rotary drive mechanism includes: laser cutting head rotary driving motor seat 8, laser cutting head rotary driving motor 9, laser cutting head rotary driving motor shaft 10, first shaft coupling 11, bearing frame 12, pivot 13, connecting block 14, laser cutting head roating seat 15, laser cutting head fixing base 16.
As shown in fig. 1, a laser cutting head rotation driving motor base 8 is fixed on the left side of the upper end of a sliding base 4, a laser cutting head rotation driving motor 9 is fixed on the laser cutting head rotation driving motor base 8 of a first coupling 11, and a laser cutting head rotation driving motor shaft 10 is connected with one end of a rotating shaft 13 through the first coupling 11. The shaft 13 is provided at its end with a bearing which is mounted on a bearing housing 12. The connecting block 14 is fixed at the other end of the rotating shaft 13. The laser cutting head rotary seat 15 is fixed on the connecting block 14. The laser cutting head fixing seat 16 is fixed on the laser cutting head rotating seat 15. The laser cutting head 17 is fixed on the laser cutting head fixing seat 16.
The cylinder 21 is fixed on the base 1, and the PE pipe clamping mechanism 19 is fixed on an expansion rod 20 of the cylinder 21. The PE tube 18 is mounted in a PE tube clamping mechanism 19.
As shown in fig. 8, the PE pipe clamping mechanism 19 mainly includes: a clamp seat 194, a spring mounting hole 193, a fixing ring 192, a spring 191, and a clamp block 190. The holder 194 is a semi-circular, hollow structure. The center of the lower end of the clamping seat 194 is fixed on the telescopic rod 20 of the cylinder 21. The fixing ring 192 is fixed to the upper end of the holder 194. The fixing ring 192 is provided with three guide holes. The number of the clamping blocks 190 is three, the three clamping blocks 190 are all arc-shaped structures, the three clamping blocks 190 are respectively installed in three guide holes of the fixing ring 192 in a one-to-one correspondence mode, a spring installation hole 193 is formed between the clamping blocks 190 and the clamping seat 194, a plurality of springs 191 are evenly installed in each spring installation hole 193, one end of each spring 191 is fixedly connected with the clamping block 190, and the other end of each spring 191 is fixed to the inner wall of the clamping seat 194. The position where the PE pipe 18 needs to be cut is located at the lower end of the laser cutting head 17, and the central axis of the PE pipe 18 and the direction of movement of the laser cutting head 17 are perpendicular to each other. The PE pipe clamping mechanism 19 can clamp and fix PE pipes 18 with different pipe diameters.
The utility model discloses a no bits cutting device of PE pipe, when using, at first start cylinder 21, cylinder 21's telescopic link 20 drives PE pipe clamping mechanism 19 upward movement, until contacting 18 one end outer walls of PE pipe, the three grip block 190 of 18 outer wall compression of PE pipe makes spring 191 compress extreme position, and it is fixed to realize the centre gripping of PE pipe 18. Since the PE pipe 18 is produced by extrusion molding and then cut, the other end of the PE pipe 18 is fixed in the extruder during cutting. Then the laser cutting head 17 is started, the gear driving motor 36 is started to enable the sliding seat 4 to slide left and right, and meanwhile the laser cutting head 17 is driven to move left and right, and the movement direction of the laser cutting head 17 is perpendicular to the axis of the PE pipe 18, so that the PE pipe 18 is cut through the left and right movement of the laser cutting head 17.
When not cutting the operation, can start laser cutting head rotation driving motor 9, drive laser cutting head 17 and be circular motion along with laser cutting head roating seat 15, after laser cutting head 17 rotated 180 degrees, stop when the directional upper end of laser output shaft of laser cutting head 17, play protection PE pipe 18 and operation workman's purpose, avoid laser accidental injury operation workman.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A chipless PE pipe cutting device, comprising:
a base;
a bracket fixed on the base;
a cross frame fixed on the bracket;
a sliding seat connected with the transverse frame in a sliding way;
a sliding seat protective cover fixed on the sliding seat;
the first toggle plate and the second toggle plate are fixed on the inner wall of the sliding seat protective cover;
a rotating frame base fixed on the base;
the rotary frame is connected with the rotary frame base through a shaft, the middle of the rotary frame is provided with a long-strip-shaped hole, the upper end of the rotary frame is arranged between the first toggle plate and the second toggle plate, and two side surfaces of the rotary frame are respectively contacted with the first toggle plate and the second toggle plate;
a rotating frame driving mechanism connected with the rotating frame;
the laser cutting head rotation driving mechanism is fixed at one end of the sliding seat;
the laser cutting head is fixed on the laser cutting head rotation driving mechanism;
the cylinder is fixed on the base;
the PE pipe clamping mechanism is fixed on a telescopic rod of the air cylinder; the PE pipe is arranged in the PE pipe clamping mechanism.
2. A PE pipe chipless cutting apparatus according to claim 1, wherein the turret drive mechanism includes: the sliding block, the sliding block shaft, the first bearing end cover, the first gear fixing plate, the second bearing end cover, the second gear, the gear driving motor base support, the first gear shaft, the second gear shaft, the gear driving motor and the second coupler are arranged in the elongated hole of the rotating frame;
the first gear is sleeved and fixed on a first gear shaft, two ends of the first gear shaft are respectively connected with a first gear fixing plate through bearings, a first bearing end cover is installed on the outer side of the first gear fixing plate, and the upper end of the first gear fixing plate, which is connected with the first gear fixing plate, is fixed on the outer side wall of the cross frame; the sliding block shaft is vertically fixed on the outer circumference of the first gear; the sliding block is sleeved and fixed on the sliding block shaft;
the second gear is sleeved and fixed on a second gear shaft, one end of the second gear shaft is connected with a second gear fixing plate through a bearing, a second bearing end cover is installed on the outer side of the second gear fixing plate, and the upper end of the second gear fixing plate is fixed on the outer side wall of the cross frame; the other end of the second gear shaft is connected with a driving shaft of the gear driving motor through a second coupler; the gear driving motor is fixed on the gear driving motor base; the gear driving motor bases are fixed on the plurality of gear driving motor base supports; a plurality of gear drive motor base supports are fixed on the base; the second gear is meshed with the first gear.
3. A PE pipe chipless cutting apparatus as claimed in claim 1, wherein the laser cutting head rotary drive mechanism includes: the device comprises a laser cutting head rotary driving motor base, a laser cutting head rotary driving motor shaft, a first coupler, a bearing seat, a rotating shaft, a connecting block, a laser cutting head rotary seat and a laser cutting head fixing seat;
the laser cutting head rotation driving motor base is fixed on the left side of the upper end of the sliding seat, the laser cutting head rotation driving motor is fixed on the first coupling laser cutting head rotation driving motor base, and a laser cutting head rotation driving motor shaft is connected with one end of the rotating shaft through the first coupling; the end of the rotating shaft is provided with a bearing, and the bearing is arranged on a bearing seat; the connecting block is fixed at the other end of the rotating shaft; the laser cutting head rotating seat is fixed on the connecting block; the laser cutting head fixing seat is fixed on the laser cutting head rotating seat; the laser cutting head is fixed on the laser cutting head fixing seat.
4. A PE tube chipless cutting apparatus according to claim 1 wherein the PE tube gripping device includes: the clamping device comprises a clamping seat, a spring mounting hole, a fixing ring, a spring and a clamping block; the clamping seat is of a semicircular and hollow structure; the center of the lower end of the clamping seat is fixed on a telescopic rod of the cylinder; the fixing ring is fixed at the upper end of the clamping seat; three guide holes are arranged on the fixing ring; the quantity of grip block is three, and three grip block is the arc structure, and three grip block one-to-one respectively installs in solid fixed ring's three guiding hole, forms the spring mounting hole between grip block and grip slipper, evenly installs a plurality of springs in every spring mounting hole, and spring one end links firmly with the grip block, and the spring other end is fixed on the grip slipper inner wall.
5. A chipless cutting device for PE pipes as claimed in claim 1 wherein the cross frame is centrally provided with a first transverse sliding hole and is provided with sliding grooves on both sides of its upper surface.
6. The PE pipe chipless cutting device according to claim 5, wherein the sliding seat is provided with a second sliding hole in the center and sliding blocks on two sides of the lower end; the sliding blocks on the two sides of the lower end of the sliding seat are installed in the sliding grooves on the two sides of the upper end of the cross frame, and the sliding seat can slide on the cross frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020374010.2U CN211939541U (en) | 2020-03-23 | 2020-03-23 | Chipless cutting device for PE (polyethylene) pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020374010.2U CN211939541U (en) | 2020-03-23 | 2020-03-23 | Chipless cutting device for PE (polyethylene) pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211939541U true CN211939541U (en) | 2020-11-17 |
Family
ID=73184971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020374010.2U Expired - Fee Related CN211939541U (en) | 2020-03-23 | 2020-03-23 | Chipless cutting device for PE (polyethylene) pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211939541U (en) |
-
2020
- 2020-03-23 CN CN202020374010.2U patent/CN211939541U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201117 |