CN211192203U - Convenient tight spiral welded tube mouth of pipe chamfer device of clamp - Google Patents
Convenient tight spiral welded tube mouth of pipe chamfer device of clamp Download PDFInfo
- Publication number
- CN211192203U CN211192203U CN201922115748.7U CN201922115748U CN211192203U CN 211192203 U CN211192203 U CN 211192203U CN 201922115748 U CN201922115748 U CN 201922115748U CN 211192203 U CN211192203 U CN 211192203U
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- base
- jacking
- welded tube
- welded pipe
- clamping plate
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- 241000973497 Siphonognathus argyrophanes Species 0.000 title claims abstract description 10
- 238000003801 milling Methods 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 12
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 230000000630 rising effect Effects 0.000 claims 1
- 230000001174 ascending effect Effects 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a convenient tight spiral welded tube mouth of pipe chamfer device that presss from both sides, it includes long banding base, divide and arrange base length direction both ends and remove the seat along two that base length direction slided, rotate the carousel of connection on removing the seat, two lateral walls that the carousel is close to all are equipped with milling cutter, base one side is provided with rather than the last work or material rest that is the quadrature setting, the opposite side is provided with the work or material rest that descends that is the quadrature setting with the base, the ascending and descending of base is provided with a plurality of jacking framves that are used for the jacking welded tube, be provided with the crossbeam along base length direction on removing the seat, crossbeam lower extreme goes up and down to be provided with and is used for compressing. The utility model discloses a tight board of clamp that goes up and down to set up presss from both sides tightly to the welded tube, has improved the convenient tight efficiency of clamp of chamfer device to the welded tube.
Description
Technical Field
The utility model relates to a spiral welded tube production facility's technical field especially relates to a convenient tight spiral welded tube mouth of pipe chamfer device that presss from both sides.
Background
In the production process of the spiral welded pipe, chamfering treatment needs to be carried out on two ends of the steel pipe, and a chamfering machine is usually adopted in the existing chamfering treatment. Chinese patent with patent publication No. CN202479583U, a spiral welded pipe orifice chamfering device is provided, which comprises a base, a movable seat, a rotary table, a milling cutter, a driving shaft, a rotary table driving motor and a movable seat driving motor, wherein the movable seat is installed on the base and is driven by the movable seat driving motor to horizontally displace along the base, the driving shaft is horizontally penetrated and installed in the middle of the base, the rotary table is fixedly installed at the front end of the driving shaft, the rear end of the driving shaft is connected with the rotary table driving motor, the milling cutter is installed on the outer side surface of the rotary table, the milling cutter is fixedly installed on the outer side surface of the rotary table through a cutter holder, a balancing weight is installed at the lower end of the rotary table symmetrical to the milling cutter, the milling cutter is composed of a cutter handle and a cutter head, a clamping seat. The utility model discloses a can realize that milling cutter's tool bit is changed to effectively reduce milling cutter purchase cost, practice thrift manufacturing resource, improve the productivity effect of enterprise, it is reliable to have the location simultaneously, the advantage of easily installing.
The above prior art solutions have the following drawbacks: spiral welded tube need press from both sides tightly spiral welded tube when being turned the chamfer by the milling cutter on the carousel to prevent that milling cutter when the turning, spiral welded tube follows milling cutter rotatory, and the arc pouring weight that current equipment adopted two upsets more compresses tightly the tip of spiral welded tube, presss from both sides tight inefficiency, and causes certain damage to spiral welded tube tip easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a convenient tight spiral welded tube mouth of pipe chamfer device that presss from both sides has the tight efficient advantage of clamp.
The utility model discloses a can realize through following technical scheme:
the utility model provides a convenient tight spiral welded tube mouth of pipe chamfer device of clamp, includes long banding base, branch row base length direction both ends are just followed two that base length direction slided remove the seat, rotate and connect and be in remove the carousel on the seat, two the lateral wall that the carousel is close to all is equipped with milling cutter, base one side be provided with rather than the last work or material rest that is the quadrature setting, the opposite side be provided with the base is the work or material rest that descends that the quadrature set up, the base goes up and down and is provided with a plurality of jacking framves that are used for the jacking welded tube, be provided with on the removal seat along base length direction's crossbeam, crossbeam lower extreme goes up and down to be provided with be used for compressing tightly the.
By adopting the technical scheme, after the welded pipe is conveyed to the plurality of jacking frames through the feeding frame, the jacking frames are driven to ascend to enable the welded pipe to be coaxial with the rotary tables, the two moving seats are driven to be close to each other and enable the two milling cutters to abut against two ends of the welded pipe respectively, the clamping plates below the cross beams are driven to press downwards to fix the welded pipe on the plurality of jacking frames so as to prevent the welded pipe from rotating, the two rotary tables are driven to rotate simultaneously, the rotary tables drive the milling cutters to rotate synchronously and perform chamfering on the pipe orifice of the welded pipe when rotating, and after the chamfering of the welded pipe is finished, the clamping plates are driven to ascend and push the welded pipe to the feeding frame, so that the chamfering operation of the welded pipe by the chamfering; and the clamping plate that sets up through the lift of both ends supports the welded tube tightly on the jacking frame, has both improved the convenient tight efficiency of clamp of chamfer device to the welded tube, still can effectively prevent the damage that the clamping plate caused the welded tube mouth of pipe, has guaranteed the off-the-shelf quality of welded tube as far as possible simultaneously.
Further setting the following steps: the clamping plate sets up two and divides the both sides of crossbeam width direction, the both sides of crossbeam width direction are provided with two slopes and direct the pneumatic cylinder of carousel axis, the clamping plate rigid coupling is in on the piston rod of pneumatic cylinder, the clamping plate is followed the length direction of base sets up.
Through adopting above-mentioned technical scheme, after jacking frame butt welding pipe jacking, start two pneumatic cylinders simultaneously, its piston rod of drive when the pneumatic cylinder starts promotes the pinch-off blades and supports tightly on the periphery wall of welded pipe, and two pneumatic cylinders divide and be the directional welded pipe axis setting of slope in the welded pipe both sides of arranging, can prevent effectively that the pinch-off blades from supporting the anti skew of producing of welded pipe behind the tight welded pipe, has improved the stability of welded pipe after tightly pressing from both sides, and the milling cutter of being convenient for carries out quick car chamfer to the welded pipe mouth of pipe.
Further setting the following steps: one side of the clamping plate, which is away from the cross beam, is provided with an inwards concave cambered surface.
Through adopting above-mentioned technical scheme, the cambered surface has been increased to the cambered surface to one side that the pinch-off blades is close to the welded tube and the area of contact of pinch-off blades and welded tube has also carried on spacingly to the cambered surface perisporium of welded tube simultaneously to avoid the welded tube to take place to sideslip on the jacking board.
Further setting the following steps: and a buffer layer which is matched with the lower end face of the clamping plate in a fitting manner is arranged on one side, away from the cross beam, of the clamping plate.
Through adopting above-mentioned technical scheme, the setting of buffer layer had both increased the static friction force between clamp plate and the welded tube periphery wall, also avoided the clamp plate too to lead to the fact the rigidity extrusion to the welded tube and make the welded tube tip take place deformation when tightly welding the pipe simultaneously as far as.
Further setting the following steps: the hydraulic cylinders comprise a first hydraulic cylinder close to the feeding frame and a second hydraulic cylinder close to the discharging frame, the first hydraulic cylinder is hinged to the lower end face of the cross beam, a third hydraulic cylinder is obliquely arranged on the lower end face of one side, far away from the second hydraulic cylinder, of the cross beam, and a piston rod of the third hydraulic cylinder is hinged to a cylinder body of the first hydraulic cylinder.
By adopting the technical scheme, after the welding pipe is jacked to a proper position by the jacking frame, the first hydraulic cylinder and the second hydraulic cylinder are started simultaneously, and the first hydraulic cylinder and the second hydraulic cylinder drive respective piston rods to respectively push the two clamping plates to simultaneously abut against the outer peripheral wall of the cambered surface of the welding pipe so as to clamp and position the welding pipe; after the chamfering of the milling cutter to the welded pipe car is completed, the second hydraulic cylinder is started, the second hydraulic cylinder drives the piston rod of the second hydraulic cylinder to drive the clamping plate on the second hydraulic cylinder to ascend, then the third hydraulic cylinder is started, the piston rod of the third hydraulic cylinder drives the first hydraulic cylinder hinged to the cross beam to overturn towards the direction close to the lower material rack, and meanwhile the clamping plate on the third hydraulic cylinder is slowly driven to descend through the first hydraulic cylinder, so that the clamping plate on the first hydraulic cylinder pushes the welded pipe to roll to the lower material rack, and the convenient blanking operation of the chamfering device to the welded pipe is realized.
Further setting the following steps: the lower end face, close to the first hydraulic cylinder, of one side, close to the feeding frame, of the buffer layer is embedded with a plurality of reinforcing nails fixedly connected with the clamping plates, and the lower end faces of the reinforcing nails do not protrude out of the lower end face of the buffer layer.
Through adopting above-mentioned technical scheme, strengthen the nail and carry out intensity to the buffer layer of clamp plate on the first pneumatic cylinder and strengthen, guaranteed first pneumatic cylinder as far as possible and realized the unloading operation to the welded tube under the promotion of third pneumatic cylinder.
Further setting the following steps: the jacking frame is provided with a plurality ofly and follows base length direction interval sets up, vertical rigid coupling has a plurality of jacking pneumatic cylinders on the base, the jacking frame rigid coupling is in on the jacking pneumatic cylinder piston rod, the cambered surface of indent is personally submitted to the jacking frame upper end.
Through adopting above-mentioned technical scheme, when the welded tube was carried to the jacking frame through last work or material rest on, start a plurality of jacking pneumatic cylinders simultaneously, its piston rod of jacking pneumatic cylinder drive promotes the jacking frame and rises in order to realize the jacking to the welded tube, and the cambered surface has been set to the cambered surface simultaneously and has increased the area of contact of jacking frame and welded tube cambered surface periphery wall to the jacking frame up end, has improved the stability of welded tube on the jacking frame.
Further setting the following steps: the milling cutter is characterized in that one end of the rotary table, which deviates from the moving seat, is provided with a sliding groove along the radial direction of the moving seat, a cutter holder is arranged in the sliding groove in a sliding mode, the milling cutter is fixedly connected onto the cutter holder, and the cutter holder is fixed onto the rotary table through a bolt.
Through adopting above-mentioned technical scheme, slide the blade holder and fix through the bolt in the spout, can adjust the distance of milling cutter apart from the carousel axis to the welded tube of different pipe diameters to realize the effective car chamfer operation of chamfer device to different pipe diameters welded tube.
To sum up, the utility model discloses a beneficial technological effect does:
(1) the welded pipe is abutted against the jacking frame through the clamping plates which are arranged at the two ends in a lifting manner, so that the convenient clamping effect of the chamfering device on the welded pipe is improved, meanwhile, the damage of the clamping plates on the pipe orifice of the welded pipe can be effectively prevented, and the quality of the finished welded pipe is ensured as much as possible;
(2) after the chamfering of the milling cutter to the welded pipe lathe is completed, the second hydraulic cylinder drives the piston rod of the second hydraulic cylinder to drive the clamping plate on the second hydraulic cylinder to ascend, the third hydraulic cylinder drives the first hydraulic cylinder to overturn towards the direction close to the blanking frame, and meanwhile, the first hydraulic cylinder slowly drives the clamping plate on the second hydraulic cylinder to descend, so that the clamping plate on the first hydraulic cylinder pushes the welded pipe to roll to the blanking frame, and the convenient blanking operation of the chamfering device to the welded pipe is realized.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a partially enlarged view of a portion a in fig. 1.
Reference numerals: 1. a base; 2. a movable seat; 3. a turntable; 4. milling cutters; 5. a feeding frame; 6. a blanking frame; 7. a jacking frame; 8. a cross beam; 9. a clamping plate; 10. a buffer layer; 11. a first hydraulic cylinder; 12. a second hydraulic cylinder; 13. a third hydraulic cylinder; 14. reinforcing nails; 15. a jacking hydraulic cylinder; 16. a chute; 17. a tool apron; 18. an electric motor.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Refer to fig. 1 and fig. 2, for the utility model discloses a convenient tight spiral welded tube mouth of pipe chamfer device of clamp, including long banding base 1, divide 1 length direction both ends of row base and remove seat 2 along two that 1 length direction of base slided, rotate and connect carousel 3 on removing seat 2, the one end rigid coupling of removing seat 2 carousel 3 has motor 18, motor 18 output runs through and removes seat 2 and with 3 coaxial rigid couplings of carousel, the lateral wall that two carousels 3 are close to all is equipped with milling cutter 4, carousel 3 deviates from the one end of removing seat 2 and has seted up along its radial spout 16, 16 transversal "T" fonts of personally submitting of spout, it is provided with blade holder 17 to slide in the spout 16, milling cutter 4 rigid coupling is on blade holder 17, blade holder 17 fixes on carousel 3 through the bolt.
Base 1 one side is provided with rather than being the last work or material rest 5 that the quadrature set up, the opposite side is provided with the unloading frame 6 that is the quadrature setting with base 1, 1 ascending and descending of base is provided with a plurality of jacking framves 7 that are used for jacking welded tube, the cambered surface of indent is personally submitted to 7 upper ends of jacking frame, jacking frame 7 is the transversal arc of personally submitting preferably in this embodiment, a plurality of jacking framves 7 set up along 1 length direction interval of base, the vertical rigid coupling has a plurality of jacking pneumatic cylinders 15 on base 1, 7 rigid couplings of jacking frame are on 15 piston rods of jacking pneumatic cylinder, be provided with on the removal seat 2 along 1 length direction's of base crossbeam 8 lower extreme lift and be provided with and be used for compressing tightly the pinch.
After the welded tube is conveyed to a plurality of jacking frames 7 through a feeding frame 5, a plurality of jacking hydraulic cylinders 15 are started simultaneously, the jacking hydraulic cylinders 15 drive piston rods of the jacking hydraulic cylinders to push the jacking frames 7 to ascend and enable the welded tube to be coaxial with a rotary table 3, two movable seats 2 are driven to be close to each other and enable two milling cutters 4 to be tightly abutted to two ends of the welded tube respectively, a clamping plate 9 under a driving cross beam 8 presses downwards to fix the welded tube on the jacking frames 7 so as to prevent the welded tube from rotating, two motors 18 are started simultaneously, the output ends of the motors 18 are driven to drive the rotary table 3 to rotate when the motors 18 are started, the rotary table 3 drives the milling cutters 4 to synchronously rotate and perform chamfering on the tube opening of the welded tube when the welded tube rotates, after the chamfer of the welded tube is turned, the clamping plate 9 is driven to ascend and push the welded tube to the feeding.
Simultaneously jacking frame 7 up end sets to the cambered surface and has increased the area of contact of jacking frame 7 with welded pipe cambered surface periphery wall, has improved the stability of welded pipe on jacking frame 7, and slide tool holder 17 and fix through the bolt in spout 16, can adjust the distance of milling cutter 4 apart from 3 axes of carousel to the welded pipe of different pipe diameters to realize the effective car chamfer operation of chamfer device to different pipe diameter welded pipes.
Referring to fig. 2, a clamping plate 9 is provided with two sides which are arranged in the width direction of a beam 8 in a row, the clamping plate 9 is arranged along the length direction of a base 1, one side of the clamping plate 9, which is far away from the beam 8, is provided with an inwards concave arc surface, and a buffer layer 10 which is in fit with the arc surface is fixedly bonded, the buffer layer 10 is preferably made of rubber, two sides of the width direction of the beam 8 are provided with two hydraulic cylinders which are inclined to the axis of a turntable 3, the hydraulic cylinders comprise a first hydraulic cylinder 11 which is close to a feeding rack 5 and a second hydraulic cylinder 12 which is close to a discharging rack 6, the first hydraulic cylinder 11 is hinged to the lower end surface of the beam 8, and the clamping; the lower end face of one side of the beam 8 far away from the second hydraulic cylinder 12 is obliquely provided with a third hydraulic cylinder 13, a piston rod of the third hydraulic cylinder 13 is hinged with a cylinder body of the first hydraulic cylinder 11, a plurality of reinforcing nails 14 fixedly connected with the clamping plate 9 are embedded in the lower end face of one side of the buffer layer 10 close to the feeding frame 5, close to the first hydraulic cylinder 11, and the lower end face of each reinforcing nail 14 does not protrude out of the lower end face of the buffer layer 10.
After the jacking frame 7 jacks the welded pipe to a proper position, the first hydraulic cylinder 11 and the second hydraulic cylinder 12 are started simultaneously, the first hydraulic cylinder 11 and the second hydraulic cylinder 12 drive respective piston rods to respectively push the two clamping plates 9 to simultaneously abut against the outer circumferential wall of the arc surface of the welded pipe so as to clamp and position the welded pipe, so that the convenient clamping efficiency of the chamfering device on the welded pipe is improved, meanwhile, the damage of the clamping plates 9 on the pipe orifice of the welded pipe can be effectively prevented, and the quality of a finished welded pipe product is ensured as much as possible; after the chamfering of the welded pipe lathe by the milling cutter 4 is completed, the second hydraulic cylinder 12 is started, the second hydraulic cylinder 12 drives the piston rod of the second hydraulic cylinder to drive the clamping plate 9 on the second hydraulic cylinder to ascend, the third hydraulic cylinder 13 is started afterwards, the piston rod of the third hydraulic cylinder 13 drives the first hydraulic cylinder 11 hinged to the cross beam 8 to overturn towards the direction close to the blanking frame 6, and meanwhile, the clamping plate 9 on the first hydraulic cylinder 11 is slowly driven to descend, so that the clamping plate 9 on the first hydraulic cylinder 11 pushes the welded pipe to roll to the blanking frame 6, and the convenient blanking operation of the chamfering device on the welded pipe is realized.
The arrangement of the buffer layer 10 not only increases the static friction force between the clamping plate 9 and the outer peripheral wall of the welded pipe, but also avoids the deformation of the end part of the welded pipe caused by rigid extrusion to the welded pipe when the clamping plate 9 is excessively abutted against the welded pipe as far as possible; the reinforcing nails 14 reinforce the strength of the buffer layer 10 of the clamping plate 9 on the first hydraulic cylinder 11, and ensure that the first hydraulic cylinder 11 realizes the blanking operation of the welded pipe under the pushing of the third hydraulic cylinder 13 as much as possible.
The implementation principle and the beneficial effects of the embodiment are as follows:
after the welded pipe is conveyed to a plurality of jacking frames 7 through a feeding frame 5, the jacking frames 7 are driven to ascend to enable the welded pipe to be coaxial with the rotary tables 3, the two moving seats 2 are driven to be close to each other and enable the two milling cutters 4 to abut against two ends of the welded pipe respectively, the clamping plates 9 below the cross beams 8 are driven to press downwards to fix the welded pipe on the plurality of jacking frames 7 so as to prevent the welded pipe from rotating, the two rotary tables 3 are driven to rotate simultaneously, the rotary tables 3 drive the milling cutters 4 to rotate synchronously and perform chamfering on the pipe orifice of the welded pipe, and after the chamfering of the welded pipe is finished, the clamping plates 9 are driven to ascend and push the welded pipe to the discharging frame 6, so that chamfering operation of the chamfering device on the welded pipe is finished; and the clamping plate 9 that sets up through the lift of both ends supports the welded tube tightly on jacking frame 7, has both improved the convenient tight efficiency of clamp of chamfer device to the welded tube, still can effectively prevent the damage that clamping plate 9 caused the welded tube mouth of pipe simultaneously, has guaranteed the off-the-shelf quality of welded tube as far as possible.
The above, only do the preferred embodiment of the present invention, not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a convenient tight spiral welded tube mouth of pipe chamfer device that presss from both sides, includes rectangular form base (1), divides and is listed as base (1) length direction both ends and edge two that base (1) length direction slided remove seat (2), rotate and connect and be in carousel (3) on removing seat (2), two the lateral wall that carousel (3) are close to all is equipped with milling cutter (4), its characterized in that: base (1) one side is provided with rather than last work or material rest (5) that is the quadrature setting, the opposite side be provided with base (1) is work or material rest (6) that the quadrature set up, base (1) rising and falling is provided with a plurality of jacking framves (7) that are used for the jacking welded tube, be provided with on the removal seat (2) along base (1) length direction's crossbeam (8), crossbeam (8) lower extreme goes up and down to be provided with and is used for compressing tightly the welded tube in clamp plate (9) on jacking frame (7).
2. The convenient clamping spiral welded pipe orifice chamfering device according to claim 1, wherein: the clamping plate (9) is provided with two sides which are arranged in a row in the width direction of the cross beam (8), the two sides in the width direction of the cross beam (8) are provided with two hydraulic cylinders with inclined directions to the axis of the turntable (3), the clamping plate (9) is fixedly connected to piston rods of the hydraulic cylinders, and the clamping plate (9) is arranged along the length direction of the base (1).
3. The convenient clamping spiral welded pipe orifice chamfering device according to claim 2, wherein: one side of the clamping plate (9) departing from the cross beam (8) is set to be an inwards concave arc surface.
4. The convenient clamping spiral welded pipe orifice chamfering device according to claim 3, wherein: one side of the clamping plate (9) departing from the cross beam (8) is provided with a buffer layer (10) which is matched with the lower end face of the clamping plate (9) in an attaching mode.
5. The convenient clamping spiral welded pipe orifice chamfering device according to claim 4, wherein: the pneumatic cylinder is including being close to go up first pneumatic cylinder (11) of work or material rest (5) and being close to second pneumatic cylinder (12) of work or material rest (6) down, first pneumatic cylinder (11) are articulated to be connected terminal surface under crossbeam (8), crossbeam (8) are kept away from terminal surface slope is provided with third pneumatic cylinder (13) under one side of second pneumatic cylinder (12), the piston rod of third pneumatic cylinder (13) with the cylinder body of first pneumatic cylinder (11) is articulated to be connected.
6. The convenient clamping spiral welded pipe orifice chamfering device according to claim 5, wherein: a plurality of reinforcing nails (14) fixedly connected with the clamping plate (9) are embedded in the lower end face of one side, close to the feeding frame (5), of the buffer layer (10) close to the first hydraulic cylinder (11), and the lower end face of each reinforcing nail (14) does not protrude out of the lower end face of the buffer layer (10).
7. The convenient clamping spiral welded pipe orifice chamfering device according to claim 1, wherein: jacking frame (7) are provided with a plurality ofly and follow base (1) length direction interval sets up, vertical rigid coupling has a plurality of jacking pneumatic cylinders (15) on base (1), jacking frame (7) rigid coupling is in on jacking pneumatic cylinder (15) piston rod, the cambered surface of indent is personally submitted to jacking frame (7) upper end.
8. The convenient clamping spiral welded pipe orifice chamfering device according to claim 1, wherein: carousel (3) deviate from the one end of removing seat (2) is seted up along its radial spout (16), it is provided with blade holder (17) to slide in spout (16), milling cutter (4) rigid coupling is in on blade holder (17), blade holder (17) are fixed through the bolt on carousel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922115748.7U CN211192203U (en) | 2019-11-30 | 2019-11-30 | Convenient tight spiral welded tube mouth of pipe chamfer device of clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922115748.7U CN211192203U (en) | 2019-11-30 | 2019-11-30 | Convenient tight spiral welded tube mouth of pipe chamfer device of clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211192203U true CN211192203U (en) | 2020-08-07 |
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ID=71863034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922115748.7U Expired - Fee Related CN211192203U (en) | 2019-11-30 | 2019-11-30 | Convenient tight spiral welded tube mouth of pipe chamfer device of clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211192203U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112620748A (en) * | 2020-12-17 | 2021-04-09 | 天津市华油管道科技有限公司 | Quick chamfering machine for spiral pipe |
-
2019
- 2019-11-30 CN CN201922115748.7U patent/CN211192203U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112620748A (en) * | 2020-12-17 | 2021-04-09 | 天津市华油管道科技有限公司 | Quick chamfering machine for spiral pipe |
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Granted publication date: 20200807 |