CN214393163U - Pipeline punching and chamfering machine - Google Patents
Pipeline punching and chamfering machine Download PDFInfo
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- CN214393163U CN214393163U CN202022731368.9U CN202022731368U CN214393163U CN 214393163 U CN214393163 U CN 214393163U CN 202022731368 U CN202022731368 U CN 202022731368U CN 214393163 U CN214393163 U CN 214393163U
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- 238000004080 punching Methods 0.000 title claims abstract description 23
- 238000005553 drilling Methods 0.000 claims abstract description 68
- 238000003860 storage Methods 0.000 claims abstract description 15
- 238000007599 discharging Methods 0.000 claims abstract description 10
- 230000000903 blocking effect Effects 0.000 claims description 18
- 238000007664 blowing Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 4
- 230000002146 bilateral effect Effects 0.000 claims 1
- 238000003754 machining Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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Abstract
The patent relates to the field of pipeline machining, and provides a pipeline punching and chamfering machine which is used for punching pipelines and chamfering two ends of a plurality of pipelines at the same time, is particularly suitable for batch machining requirements, and has the advantages of convenience in operation, high machining precision and high production efficiency; a punching and chamfering machine for two ends of a pipeline comprises a rack, a supporting seat, a pipeline storage blanking device, a material distributing device, a clamping device, a fixing device, a drilling device, a chamfering device and a discharging guide device; a fixing plate is connected and installed above the rack through a bolt; fixing seats are respectively arranged at two ends of the fixing plate; the two fixed seats are connected through two bearing shafts; two ends of the bearing shaft are respectively provided with one positioning block, and the total number of the positioning blocks is four; two mounting plates which are symmetrical left and right are arranged above the positioning block; a charging chute is formed in the middle of the mounting plate; and a clamping device, a fixing device, a drilling device, a chamfering device, a discharging guide device and a moving device are arranged above the mounting plate.
Description
Technical Field
The patent relates to the field of pipeline machining, and provides a pipeline punching and chamfering machine for punching and chamfering the two ends of an unprocessed pipeline symmetrically.
Background
The pipeline is used extensively in actual life, need process the pipeline to the range of application of difference, the most common processing is drilling and chamfer, this work is accomplished by the manual work more, the precision of drilling is difficult to satisfy technical requirement, and low in labor efficiency, it replaces the manpower with the machine to have the mill to propose afterwards, but puncher and the beveler of designing are two independent machines, and the function is single, inefficiency, mostly be semi-automatic machine, the cost is also very high, to punching, the adjustment at chamfer position is adjusted by the manual work, it is loaded down with trivial details slow, be not suitable for assembly line processing.
Disclosure of Invention
The patent relates to the field of pipeline machining, and provides a pipeline punching and chamfering machine for punching and chamfering the two ends of an unprocessed pipeline symmetrically.
In order to achieve the technical purpose, the technical scheme adopted by the patent is as follows:
the utility model discloses a be used for pipeline both ends to punch, beveler, including the frame, supporting seat, pipeline storage doffer, feed divider, clamping device, fixing device, drilling equipment, chamfer device and ejection of compact guider. A fixing plate is connected and installed above the rack through a bolt; fixing seats are respectively arranged at two ends of the fixing plate; the two fixed seats are connected through two bearing shafts; two ends of the bearing shaft are respectively provided with one positioning block, and the total number of the positioning blocks is four; two mounting plates which are symmetrical left and right are arranged above the positioning block; a charging chute is formed in the middle of the mounting plate; and a clamping device, a fixing device, a drilling device, a chamfering device, a discharging guide device and a moving device are arranged above the mounting plate.
In the pipeline punching and chamfering machine, a pipeline storage and blanking device is arranged above the rack; the pipeline storage blanking device comprises a right-angle guide plate and a baffle plate; the right-angle guide plates are symmetrically arranged according to the size of the pipeline, and the number of the right-angle guide plates is two; the tail end of the right-angle guide plate is provided with a baffle.
In the pipeline punching and chamfering machine, the material distributing device is arranged below the pipeline storing and blanking device; the material distributing device comprises an air cylinder, a positioning module, a material receiving block and a feeding block and is arranged on the mounting plate; the cylinder is fixed on the mounting plate through an L-shaped connecting plate; a positioning module is respectively arranged above and on the side surface of the cylinder; the end part of a piston rod of the cylinder is connected with the feeding block; and a material receiving block is arranged on one side of the feeding block and is connected with the feeding block through a connecting plate.
In the pipeline punching and chamfering machine, the clamping device comprises a clamping cylinder, a guide seat, a clamping block and a blowing head; the clamping device is positioned on one side of the material distributing device and is arranged on the mounting plate; the middle part of the upper side surface of the guide seat is provided with a guide groove, and the middle part of one side of the guide groove is provided with a through round hole; the lower part of the through round hole is provided with another through round hole for chamfering the pipeline by a cutter in the chamfering device; the clamping cylinder is arranged on the outer side of the guide seat, and a piston rod of the clamping cylinder penetrates through a round hole of the guide seat and is used for clamping a pipeline; the clamping block is arranged on the other side of the clamping cylinder corresponding to the guide seat; the clamping block clamps and positions the pipeline before the pipeline is clamped by the clamping cylinder, so that the clamping cylinder can clamp the pipeline conveniently; two small round holes are respectively formed in the other two ends of the guide seat and are used for drilling holes of the drilling device; the blowing head is positioned above the guide seat.
The pipeline punching and chamfering machine is characterized in that the drilling device comprises a drilling machine, a motor, a fixing block and a multi-purpose drilling cutter. Two drilling devices are respectively positioned at two ends of the guide groove; the drilling machine is mounted on the mounting plate through the fixing block; the motor is arranged at the tail end of the drilling machine and drives the drilling machine to work; the end part of the drilling machine is provided with a multi-purpose drilling tool; the circle center of the drill bit of the drilling machine is consistent with the circle centers of the small round holes on the two sides of the guide seat in height and is positioned on the same straight line.
In the pipeline punching and chamfering machine, the fixing device comprises the cylinder, a first fixing block, a second fixing block and a material blocking device; the fixing device is positioned between the clamping device and the material distributing device; the cylinder is connected to the mounting plate through a nut; the end part of a piston rod of the air cylinder is connected with a first fixing block; and a second fixing block is arranged on the other side corresponding to the first fixing block and is arranged on the mounting plate.
In the pipeline punching and chamfering machine, the material blocking device comprises the cylinder and the material blocking shaft, and the material blocking device is arranged on the mounting plate and is positioned below the drilling device; the end of a piston rod of the cylinder is connected with a material blocking shaft.
In the pipeline punching and chamfering machine, the chamfering device comprises a chamfering machine, a motor, a fixed block and a multi-purpose chamfering tool; the chamfering device is positioned below a clamping cylinder of the clamping device; the chamfering machine is arranged on the mounting plate through a fixing block; the motor is arranged at the tail end of the chamfering machine and drives the chamfering machine to work; one end of the chamfering machine is provided with a multipurpose chamfering tool; the circle center of the drill bit of the chamfering machine and the circle center of the through round hole at the bottom of the guide seat are positioned on the same straight line.
In the pipeline punching and chamfering machine, the discharge guide device comprises a guide block and a guide rod; the guide block is positioned on one side of the mounting plate and below the mounting plate charging chute; the guide block end is connected with a guide rod.
In the pipeline punching and chamfering machine, the moving device comprises a motor, a rotating shaft and a fixed block; the end part of the motor is connected with the rotating shaft; the rotating shaft is sleeved with a fixed block; the fixed block is connected with the mounting plate; the motor can drive the rotating shaft to move so as to drive the mounting plate to move.
The pipeline punching and chamfering machine is characterized in that the multipurpose drilling cutter is provided with three cutters, and the planet wheel drives the three cutters to rotate simultaneously.
The beneficial effect of this patent does:
(1) the pipeline of certain quantity can be access to the pipeline of the pipeline storage doffer of this patent, and the pipeline falls under the effect of gravity, can realize the pipeline chamfer full automatization that punches, and the pipeline material loading is convenient simultaneously, has improved work efficiency, and the workman of being convenient for carries out corresponding operation. The feed divider has accomplished automatically under the drive of cylinder transporting the pipeline, transports the assigned position with the pipeline, is convenient for carry on operation on next step.
(2) The clamping device of this patent utilizes earlier to press from both sides tight piece and fixes a position the pipeline, recycles die clamping cylinder and accomplishes the clamp tight to the pipeline, presss from both sides tight efficient, and the accuracy is high. The pipeline is clamped from the two ends of the pipeline, so that the pipeline can be drilled by the drilling device conveniently.
(3) The drilling equipment of this patent drills the pipeline simultaneously from the pipeline both ends, and drilling efficiency is high, improves the work efficiency of machine. In order to prevent the chips left by drilling from influencing the machining, the chips are blown away by the blowing head immediately, so that the driller is more convenient.
(4) This patent is after drilling the end, and the blowing head blows off the pipeline to the below, and dam device prevents that the effectual pipeline that prevents has not processed just falling, and the fixed pipeline that falls of fixing device simultaneously, chamfering device carry out the chamfer to the pipeline. After the chamfering is finished, the chamfering device and the fixing device are reset in sequence. The material blocking device contracts, and the pipeline automatically falls down through the discharging guide device. The whole process is simple to operate, and manual interference is not needed. The service life of the machine is prolonged.
(5) This patent mobile device drives down can be suitable for the pipeline of different length, is convenient for process the pipeline of unidimensional not.
Description of the drawings:
fig. 1 is a front view of the present embodiment.
Fig. 2 is a front view of the main apparatus of the present embodiment.
Fig. 3 is a sectional view of the present embodiment.
Fig. 4 is a schematic view of the rack of the present embodiment.
Fig. 5 is a schematic diagram of the pipe storage blanking device of the embodiment.
FIG. 6 is a schematic view of the installation of the fixing plate, the supporting seat and the mounting plate of this embodiment.
Fig. 7 is a schematic view of the material separating device of the embodiment.
Fig. 8 is a schematic view of the fixing device of the present embodiment.
Fig. 9 is a schematic view of the clamping device of the present embodiment.
Fig. 10 is a schematic view of the drilling device of the present embodiment.
FIG. 11 is a schematic view of the chamfering apparatus according to the present embodiment.
FIG. 12 is a schematic view of the discharge guide of the present embodiment.
FIG. 13 is a schematic view of the multi-purpose drilling tool of the present embodiment.
Detailed Description
The following further describes embodiments of the present patent with reference to fig. 1-12:
referring to fig. 1-3 and 12, the machine for punching and chamfering two ends of a pipeline comprises a frame 1, a supporting seat 3, a pipeline storage blanking device 2, a material dividing device 10, a clamping device 11, a fixing device 12, a drilling device 5, a chamfering device 4, a discharging guide device 13 and a moving device 14.
Referring to fig. 1-2 and fig. 6, a fixing plate 6 is mounted above the frame 1 through bolts; the two ends of the fixed plate 6 are respectively provided with a supporting seat 3; the two supporting seats 3 are connected through two bearing shafts 7; two ends of the bearing shaft 7 are respectively provided with only one positioning block 8, and the total number of the positioning blocks 8 is four; two mounting plates 9 which are symmetrical left and right are arranged above the positioning block 8; a charging chute is arranged in the middle of the mounting plate 9; and a clamping device 11, a fixing device 12, a drilling device 5, a chamfering device 4 and a discharging guide device 13 are arranged above the mounting plate 9.
Referring to fig. 1 and 5, a pipeline storage blanking device 2 is arranged above the frame 1; the pipeline storage blanking device 2 comprises a right-angle guide plate 2-1 and a baffle plate 2-2; the right-angle guide plates 2-1 are symmetrically arranged according to the size of the pipeline, and the number of the right-angle guide plates is two; the tail end of the right-angle guide plate 2-1 is provided with a baffle plate 2-1. When the machine works, a worker puts a pipeline to be processed into the storage blanking device 2 at a time.
Referring to fig. 2 and 7, a material distributing device 10 is installed below the pipeline storage blanking device 2; the material distributing device 10 comprises an air cylinder 10-2, a positioning module 10-6, a material receiving block 10-5 and a feeding block 10-3, and the material distributing device 10 is installed on the installation plate 9; the air cylinder 10-2 is fixed on the mounting plate 9 through an L-shaped connecting plate 10-1; a positioning module 10-6 is respectively arranged above and on the side surface of the cylinder 10-2; the end part of a piston rod of the air cylinder 10-2 is connected with the feeding block 10-3; a material receiving block 10-5 is arranged on one side of the feeding block 10-3, and the material receiving block 10-5 is connected with the feeding block 10-3 through a connecting plate 10-4. When the pipeline on the storage blanking device 2 falls to the position above the material receiving block 10-5, the air cylinder 10-2 drives the material feeding block 10-3 to feed the pipeline onto the clamping device 11. The positioning module 10-6 can adjust the movement distance of the air cylinder 10-2, so that the feeding requirement is met, and meanwhile, the adjustment is convenient.
Referring to fig. 2 and 9, the clamping device 11 comprises a clamping cylinder 11-4, a guide seat 11-1, a clamping block 11-5 and a blowing head 11-3; the clamping device 11 is positioned on one side of the material distributing device 10 and is arranged on the mounting plate 9; the middle part of one section of the guide seat 11-1 is provided with a guide groove 11-2, and the middle part of the guide groove 11-2 is provided with a through round hole; the lower part of the through round hole is provided with another through round hole; the clamping cylinder 11-4 is arranged on the outer side of the guide seat, and a piston rod of the clamping cylinder 11-4 penetrates through a round hole of the guide seat 11-1 and is used for clamping a pipeline; the clamping block 11-5 is arranged on the other side, corresponding to the guide seat 11-1, of the clamping cylinder 11-4; the clamping block 11-5 clamps and positions the pipeline before the clamping cylinder 11-4 clamps the pipeline, so that the clamping cylinder 11-4 is convenient to clamp; two small round holes are respectively formed in the other two ends of the guide seat 11-1, and the small round holes are the positions for drilling holes by the drilling device 5; the blowing head 11-3 is positioned above the guide seat 11-1. When the material distributing device 10 sends the pipeline to the clamping blocks 11-5 of the clamping device 11, the clamping blocks 11-5 at the left end and the right end clamp the pipeline; the clamping cylinders 11-4 at the left end and the right end work simultaneously to clamp the pipeline, the drilling device 5 is waited for drilling the pipeline, after the drilling is completed, the clamping cylinders 11-4 are reset, the blowing heads 11-3 blow air into the guide grooves 11-2 from the guide seats 11-1, on one hand, scraps in the guide grooves 11-2 are cleaned, and on the other hand, the pipeline is blown down to the fixing device 12 below.
Referring to fig. 2 and 10, the drilling device 5 includes a drilling machine 5-3, a motor 5-1, a fixed block 5-2 and a multi-purpose drilling tool 5-4; the two drilling devices are respectively positioned at two ends of the guide seat 11-1; the drilling machine 5-3 is arranged on the mounting plate 9 through the fixing block 5-2; the motor 5-1 is installed at the tail end of the drilling machine 5-3, and the motor 5-1 drives the drilling machine 5-3 to work; the end part of the drilling machine 5-3 is provided with a multipurpose drilling device 5-4; the multipurpose drilling tool 5-4 can be adjusted according to the size of the pipeline; the circle center of the drill bit of the drilling machine 5-3 is consistent with the circle centers of the small round holes on the two sides of the guide seat 11-1 in height and is positioned on the same straight line. After the clamping device 11 clamps the pipeline, the drilling machines 5-3 at the two ends work under the driving of the motor 5-1, and the pipeline is drilled from the two ends, so that the drilling efficiency is improved.
Referring to fig. 8, the fixing device 12 comprises a cylinder 12-1, a first fixing block 12-2, a second fixing block 12-3 and a material blocking device 12-4; the fixing device 12 is positioned between the clamping device 11 and the material distributing device 10; the cylinder 12-1 is connected to the mounting plate 9 through a nut, and the end of a piston rod of the cylinder 12-1 is connected with a first fixing block 12-2; a second fixed block 12-2 is arranged on the other side, corresponding to the first fixed block 12-2, and the second fixed block 12-2 is arranged on the mounting plate 9; the material blocking device 12-4 comprises an air cylinder 12-4-1 and a material blocking shaft 12-4-2, and the material blocking device 12-4 is arranged on the mounting plate 9 and is positioned below the drilling device 5; the end part of a piston rod of the cylinder 12-4-1 is connected with a material blocking shaft 12-4-2. When the pipeline is blown down by the blowing head 11-3 of the clamping device 11, the left and right material blocking devices 12-4 catch the pipeline, and the cylinders 12-1 of the left and right fixing devices 12 drive the first fixing block 12-2 to move, so that the pipeline is fixed between the second fixing block 12-2.
Referring to fig. 11, the chamfering device 4 comprises a chamfering machine 4-3, a motor 4-1, a fixing block 4-2 and a multi-purpose chamfering tool 4-4; the chamfering device 4 is positioned below the clamping cylinder 12-1 of the clamping device 11; the chamfering machine 4-3 is arranged on the mounting plate 9 through the fixing block 4-2; one end of the chamfering machine 4-3 is provided with a multi-purpose chamfering tool 4-4; the multi-purpose chamfering tool 4-4 can be adjusted according to the size of the pipeline; the motor 4-1 is installed at the tail end of the chamfering machine 4-3, and the motor 4-1 drives the chamfering machine 4-3 to work; the circle center of the drill bit of the chamfering machine 4-3 and the circle center of the through round hole at the bottom of the guide seat 11-1 are positioned on the same straight line. After the left and right fixing devices 12 fix the pipeline, the chamfering devices 4 at the left and right ends start to work, and the chamfering machine 4-3 chamfers the two ends of the pipeline under the driving of the motor 4-1.
Referring to fig. 12, the discharging guide 13 includes a guide block 13-1 and a guide rod 13-2; the guide block 13-1 is positioned on one side of the mounting plate 9 and below the charging chute of the mounting plate 9; the end part of the guide block 13-1 is connected with a guide rod 13-2, when the chamfering of the pipeline is finished, the cylinder 12-1 of the fixing device 12 drives the first fixing block 12-2 to reset, the pipeline is loosened, meanwhile, the cylinder 12-4-1 of the material blocking device 12-4 drives the material blocking shaft 12-4-2 to retract, the pipeline falls down along a blanking groove on the mounting plate 9 and moves to a specified position under the action of the discharging guide device 13.
Referring to fig. 2, the moving means 14 includes a motor 14-2, a rotating shaft 14-1, and a fixed block; the end part of the motor 14-2 is connected with the rotating shaft 14-1; the rotating shaft 14-1 is sleeved with a fixed block; the fixed block is connected with the mounting plate 9; the motor 14-2 can drive the rotating shaft 14-1 to move so as to drive the mounting plate 9 to move.
Referring to fig. 13, the multi-purpose drilling tool 5-4 is provided with three tools, and the planet wheel drives the three tools to rotate simultaneously, so that the tools can be adjusted in time according to pipelines with different sizes.
Claims (11)
1. A pipeline punching and chamfering machine comprises a rack, a supporting seat, a pipeline storage blanking device, a material distributing device, a clamping device, a fixing device, a drilling device, a chamfering device and a discharging guide device; a fixing plate is connected and installed above the rack through a bolt; supporting seats are respectively arranged at two ends of the fixing plate; the two supporting seats are connected through two bearing shafts; two ends of the bearing shaft are respectively provided with one positioning block, and the total number of the positioning blocks is four; the two mounting plates are arranged above the positioning block in a bilateral symmetry mode, the mounting plates are located above the positioning block and the bearing shaft, a blanking groove is formed in the middle of each mounting plate, and a pipeline can automatically fall from the blanking groove conveniently after drilling and chamfering are finished; and a clamping device, a fixing device, a drilling device, a chamfering device, a discharging guide device and a moving device are arranged above the mounting plate.
2. The pipe perforating and chamfering machine according to claim 1, wherein a pipe storage and blanking device is mounted above the frame; the pipeline storage blanking device comprises a right-angle guide plate and a baffle plate; the right-angle guide plates are symmetrically arranged according to the size of the pipeline, and the number of the right-angle guide plates is two; the tail end of the right-angle guide plate is provided with a baffle.
3. The pipe perforating and chamfering machine according to claim 1, wherein a material distributing device is installed below the pipe storing and blanking device; the material distributing device comprises an air cylinder, a positioning module, a material receiving block and a feeding block and is arranged on the mounting plate; the cylinder is fixed on the mounting plate through an L-shaped connecting plate; a positioning module is respectively arranged above and on the side surface of the cylinder; the end part of a piston rod of the cylinder is connected with the feeding block; a material receiving block is arranged on one side of the feeding block and is connected with the feeding block through a connecting plate; the cylinder drives the feeding block to reciprocate; the feeding block drives the material receiving block to reciprocate up and down, so that the material receiving and feeding of multiple pipelines are realized.
4. The pipe perforating and chamfering machine according to claim 1, wherein the clamping device comprises a clamping cylinder, a guide seat, a clamping block and a blowing head; the clamping device is positioned on one side of the material distributing device and is arranged on the mounting plate; the middle part of the upper side surface of the guide seat is provided with a guide groove, and the middle part of one side of the guide groove is provided with a through round hole; the lower part of the through round hole is provided with another through round hole for chamfering the pipeline by a cutter in the chamfering device; the clamping cylinder is arranged on the outer side of the guide seat provided with the round hole, and a piston rod of the clamping cylinder penetrates through the round hole of the guide seat and is used for clamping the pipeline; the clamping block is arranged on the other side of the clamping cylinder corresponding to the guide seat; the clamping block clamps and positions the pipeline before the pipeline is clamped by the clamping cylinder, so that the clamping cylinder can clamp the pipeline conveniently; two small round holes are respectively formed in the other two ends of the guide seat and are used for drilling holes of the drilling device; the blowing head is positioned above the guide seat.
5. The pipe drilling and chamfering machine according to claim 1, wherein the drilling means includes a drilling machine, a motor, a fixing block and a multi-purpose drilling tool; the two drilling devices are respectively positioned at two ends of the guide seat; the drilling machine is arranged on the mounting plate through the fixing block, and the motor is arranged at the tail end of the drilling machine and drives the drilling machine to work; the end part of the drilling machine is provided with a multi-purpose drilling tool; the circle center of the drill bit of the drilling machine is consistent with the circle centers of the small round holes on the two sides of the guide seat in height and is positioned on the same straight line.
6. The pipe perforating and chamfering machine according to claim 1, wherein the fixing device comprises a cylinder, a first fixing block, a second fixing block and a material blocking device; the fixing device is positioned between the clamping device and the material distributing device; the cylinder is connected to the mounting plate through a nut; the end of a piston rod of the air cylinder is connected with a first fixing block, a second fixing block is arranged on the other side corresponding to the first fixing block, and the second fixing block is installed on the installation plate.
7. The pipeline punching and chamfering machine according to claim 6, wherein the material blocking device comprises a cylinder and a material blocking shaft, and is mounted on the mounting plate and positioned below the drilling device; the end of a piston rod of the cylinder is connected with a material blocking shaft.
8. The pipe perforating and chamfering machine according to claim 1, wherein the chamfering device comprises a chamfering machine, a motor, a fixing block and a multi-purpose chamfering tool; the chamfering device is positioned below a clamping cylinder of the clamping device; the chamfering machine is installed on the installation plate through a fixed block, a motor is installed at the tail end of the chamfering machine, and the motor drives the chamfering machine to work; one end of the chamfering machine is provided with a multipurpose chamfering tool; the circle center of the drill bit of the chamfering machine and the circle center of the through round hole at the bottom of the guide seat are positioned on the same straight line.
9. The pipe perforating and chamfering machine according to claim 1, wherein the discharge guide means includes a guide block and a guide rod; the guide block is positioned on one side of the mounting plate and below the mounting plate charging chute; the guide block end is connected with a guide rod.
10. The pipe perforating and chamfering machine according to claim 1, wherein the moving means includes a motor, a rotating shaft, and a fixing block, an end of the motor being connected to the rotating shaft; the rotating shaft is sleeved with a fixed block; the fixed block is connected with the mounting plate; the motor can drive the rotating shaft to move so as to drive the mounting plate to move.
11. The pipe drilling and chamfering machine according to claim 5, wherein the multi-purpose drilling tool has three cutters, and the planetary gear drives the three cutters to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022731368.9U CN214393163U (en) | 2020-11-23 | 2020-11-23 | Pipeline punching and chamfering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022731368.9U CN214393163U (en) | 2020-11-23 | 2020-11-23 | Pipeline punching and chamfering machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214393163U true CN214393163U (en) | 2021-10-15 |
Family
ID=78036318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022731368.9U Expired - Fee Related CN214393163U (en) | 2020-11-23 | 2020-11-23 | Pipeline punching and chamfering machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214393163U (en) |
-
2020
- 2020-11-23 CN CN202022731368.9U patent/CN214393163U/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 |
Granted publication date: 20211015 |