CN204353307U - A kind of portable steel pipe sidewall puncher - Google Patents
A kind of portable steel pipe sidewall puncher Download PDFInfo
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- CN204353307U CN204353307U CN201420785560.8U CN201420785560U CN204353307U CN 204353307 U CN204353307 U CN 204353307U CN 201420785560 U CN201420785560 U CN 201420785560U CN 204353307 U CN204353307 U CN 204353307U
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Abstract
The utility model provides a kind of portable steel pipe sidewall puncher, comprise frame, the clamping device be located in frame, be located at clamping device both sides perforating device, be located in frame with perforating device with the use of fixture, described frame is provided with the guide rail for sliding fixture, the tail end of described guide rail is provided with the drive unit for driving fixture movement, the side of described frame is provided with one for advancing the propulsion plant of steel pipe to be processed, and described propulsion plant is provided with one for extracting the pick-off unit completing steel pipe to be processed.Defect existing for effective solution prior art problem, make to treat processing steel pipe in the process of punching and automatically advance clamping, auxiliary choosing can be carried out after steel pipe machines, pickup is convenient, fixing more firm to steel pipe, rotate convenient, regulate easy, operating efficiency is high, labour intensity is low.
Description
Technical field
The utility model relates to mechanical field, is specifically related to a kind of portable steel pipe sidewall puncher.
Background technology
A lot of factory is thinner for tube wall now, when the steel pipe that caliber is less punches, in punching work, need to determine punch position by positioner, in order to tackle different demands, except needing to locate the mouth of pipe from except the distance of punching position, also need the angle determining that punching position, same round tangent plane place is separated by, just can guarantee the accuracy of punching position, a lot of factory still takes an electric drill to carry out unification manual operation by workman, so not only inefficiency, and waste of manpower, Mass accuracy for punching can not well ensure, particularly more to some boring ratios steel pipe, manual operation punching extremely bothers, more expend time in and muscle power, beat hole for one, also need to dismantle steel pipe, change other end to punch again, owing to being punch to tube wall, if can not effectively be fixed in the process of punching, then complete the accuracy after punching more can not be guaranteed, and after general permanent plant fixedly completes, the pipe fitting be not easy waiting for the right price rotates, punching is bothered more, carrying out steel pipe installing in fixing process, a lot of equipment all can not carry out propelling movement steel pipe automatically, staff can not be helped to be chosen by steel pipe, higher to the labour intensity of staff.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of portable steel pipe sidewall puncher, defect existing for effective solution prior art problem, make to treat processing steel pipe in the process of punching and automatically advance clamping, auxiliary choosing can be carried out after steel pipe machines, pickup is convenient, fixing more firm to steel pipe, rotate convenient, regulate easy, operating efficiency is high, labour intensity is low.
For solving above-mentioned existing technical problem, the utility model adopts following scheme: a kind of portable steel pipe sidewall puncher, comprise frame, be located at the clamping device in frame, be located at the perforating device of clamping device both sides, be located in frame with perforating device with the use of fixture, described frame is provided with the guide rail for sliding fixture, the tail end of described guide rail is provided with the drive unit for driving fixture movement, the side of described frame is provided with one for advancing the propulsion plant of steel pipe to be processed, described propulsion plant is provided with one for extracting the pick-off unit completing steel pipe to be processed, described propulsion plant comprises bracing frame, be located at the second propulsion cylinder in bracing frame and frame, be located at the propulsive mechanism on the second propulsion cylinder piston rod, described pick-off unit comprises and is located at bracing frame side for capturing the grabbing device of steel pipe, be located at grabbing device side four-wheel drive cylinder, support frame as described above is provided with for the parallel slide block of two of driving grabbing device to move left and right, be provided with one bottom described grabbing device and slip the sliding seat on slide block, the piston rod of described four-wheel drive cylinder is connected with sliding seat, support frame as described above is provided with a guide post for sliding propulsive mechanism.
As preferably, the fixture block that described clamping device is symmetrical before and after comprising two, be located at the driving spring between fixture block and perforating device, be located at the semicircular folder hole inside fixture block, described fixture block is provided with an auxiliary punching cylinder, described perforating device comprises the first driving cylinder being located at fixture block both sides, be located at the needle stand of the first driving cylinder front end, be located at red needle needle stand coordinating with folder hole and carries out punching, described driving spring is set in red needle, described fixture comprises slide, be located at the guide pin bushing on slide, be located at the locking device of rear end of conducting sleeve, described locking device adopts pneumatic scroll chuck structure, described drive unit be provided with one through guide pin bushing and one end is positioned at the guide pipe of folder hole, in the process that steel pipe is punched, steel pipe one end to be processed is passed folder hole and is set on guide pipe, when steel pipe moves to fixture by guide pipe, locked by the end of locking device to steel pipe, when perforating device punches to pipe fitting, fixture block can be fixedly clamped to the puncture site of pipe fitting, make to there will not be movement during punching, when adopting folder hole structure that fixture block can be made to clamp pipe fitting, clamping force is better, contact area is wider, cylinder is driven to carry out control punching by first, structure is simpler, draw materials convenient, in the process of punching, operating efficiency is higher, because driving spring is located between fixture block and needle stand, when first drives cylinder promotion needle stand to move forward, needle stand can apply pressure by driving spring to fixture block, thus realize the clamping of fixture block, locking device adopts pneumatic scroll chuck structure, structure is simple, clamping is convenient, operating efficiency is high, control easy, when one end of steel pipe to be processed is punctured into clamping device, control the end of pneumatic scroll chuck to steel pipe to clamp, steel pipe can be effectively prevented to be moved in the process of punching, simultaneously, when needing to carry out the punching of different azimuth to steel pipe, synchronous rotary can also be carried out to steel pipe by rotating clamp, make punching convenient, operate easier.
As preferably, described propulsive mechanism comprises the movable base be located on the guide bar, be located at the push rod holder of movable base lower end, be located on push rod holder for advancing the push rod of steel pipe to be processed, the front end of described push rod is provided with forward block, described push rod holder adopts Collapsible structure, spiral is adopted to be connected between described push rod with push rod holder, the both sides of described guide post are provided with a chute, described movable base slips in chute, structure is simple, easy and simple to handle, labour intensity is low, one end of steel pipe to be processed cover only need be received on guide pipe by staff, just can control movable base by the second propulsion cylinder to move along guide post to side, thus make push rod treat processing steel pipe carry out follow-up propelling, thus make steel pipe arrive locking device locking, load onto without the need to manually steel pipe being advanced to locking, make labour intensity lower, operating efficiency is higher, in the process of processing, the adjustment of front and back can also be carried out to forward block by push rod, by push rod holder, soon upper and lower adjustment is carried out to propelling, the end of steel pipe is just aimed at time forward block is moved forward.
As preferably, described grabbing device comprises the 3rd driving cylinder be arranged on sliding seat, be located at the grabber that the 3rd drives the piston rod front end of cylinder, described grabber adopts diameter to be less than the round bar structure of red needle, the axis of described grabber and red needle is positioned in same level, described 3rd drives cylinder and four-wheel drive vertical cylinder to arrange, structure is simple, easy and simple to handle, after steel pipe to be processed machines, by four-wheel drive cylinder, grabbing device is moved to the position of setting, then only air cylinder driven bar grabber need be driven to move forward by controlling the 3rd, diameter due to grabber is less than red needle and axis being parallel, when grabber top is to being just positioned at steel pipe molded hole time foremost, then by four-wheel drive cylinder retract piston bar, grabber just can pull the steel pipe machined to the right, thus one end of steel pipe is come off from fixture, after grabber drives cylinders retract by the 3rd, steel pipe just can take off by staff easily, effectively avoid staff the step that steel pipe pulls out from fixture is played, labor intensity is lower, the grabber being controlled round bar structure by cylinder carries out pulling out steel pipe, structure is simpler, draw materials convenient, cost is lower, and the 3rd drives cylinder and four-wheel drive vertical cylinder to arrange, then installation difficulty is lower, structure is more reasonable.
As preferably, described drive unit comprising the first drive motors be located on guide rail, being located at the first drive motors front end for driving the drive screw of fixture movement, after steel pipe to be processed is fixing by clamping device, drive screw is driven to rotate by the first drive motors, can move left and right being made by spiral way the fixture be arranged on drive screw, thus make steel pipe carry out relative moving left and right relative to hole punched device, thus realize the processing in the hole of diverse location in same level.
As preferably, described slide is provided with a whirligig, described whirligig comprises and is located at slide top second drive motors, be located at locking device one end and the second drive motors with the use of driving wheel, by tooth belt connection for transmission between described second drive motors and driving wheel, when needing when on steel pipe, circular hole does not on the same line punch, driving wheel can be driven to rotate by the second drive motors, drive locking device to rotate by driven wheel simultaneously, thus reach the object controlling steel pipe rotary, perforating device is enable to carry out punching process to position arbitrary on steel pipe, and use tooth belt connection for transmission, then can control accuracy higher, make room during punching more accurate.
As preferably, the side of described fixture block and needle stand is provided with a limited block with stopper slot, described limited block and fixture block, a stop nut is respectively provided with between limited block and needle stand, described fixture block be provided with one with needle stand with the use of lead, in the process of production and processing, when cylinder promotes to return after needle stand punches to steel pipe, ultimate range between fixture block and needle stand is the length of stopper slot, effectively control the range ability of driving spring to fixture block, also drive folder hole to reset to original position along track by limited block simultaneously, lead can carry out certain relative limit to fixture block and needle stand, in the process run, red needle can be punched along the track of setting, red needle can not collide with the pin hole wall in fixture block, the life-span of red needle is more lengthened, the punching position of red needle is also more accurate.
Beneficial effect:
The utility model adopts technique scheme to provide a kind of portable steel pipe sidewall puncher, when needs carry out punching process to steel pipe, one end of steel pipe to be processed only need be set in guide pipe by staff, propulsive mechanism just can be made to advance steel pipe by the second propulsion cylinder, steel pipe is made to arrive fixture and be fixed, then by drive unit, fixture is carried out to the movement of left and right along guide rail, steel pipe to be processed is made to need the position of machining hole to arrive on the fixed position corresponding to perforating device in clamping device, by carrying out punching process after gripping means grips, when needing to punch to positions different on steel pipe simultaneously, can be punched by auxiliary punching cylinder, make the accuracy between holes higher, operation principle and the perforating device of auxiliary punching cylinder are similar, after steel pipe machines, start pick-off unit, by four-wheel drive cylinder, grabbing device is slided to the left along slide block, when behind the position reaching setting, by grabbing device, steel pipe is captured, when four-wheel drive cylinder piston rod is retracted, by grabbing device, steel pipe is pulled out from fixture, last grabbing device unclamps, when unloading steel pipe, staff's just convenient and strength-saving steel pipe is taken out from machine of energy, effectively decrease the labour intensity of staff, defect existing for effective solution prior art problem, make to treat processing steel pipe in the process of punching and automatically advance clamping, auxiliary choosing can be carried out after steel pipe machines, pickup is convenient, fixing more firm to steel pipe, rotate convenient, regulate easy, operating efficiency is high, labour intensity is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the schematic diagram of set structure in the utility model frame;
Fig. 3 is the structural representation that the utility model perforating device and clamping device cooperatively interact;
Fig. 4 is the structural representation of the utility model propulsive mechanism;
Fig. 5 is the structural representation of the utility model limited block;
Fig. 6 is the structural representation of the utility model pick-off unit.
Detailed description of the invention
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Fig. 5 and Fig. 6, a kind of portable steel pipe sidewall puncher, comprise frame 17, be located at the clamping device 15 in frame 17, be located at the perforating device 13 of clamping device 15 both sides, be located in frame 17 with perforating device 13 with the use of fixture 10, described frame 17 is provided with the guide rail 3 for sliding fixture 10, the tail end of described guide rail 3 is provided with the drive unit 2 for driving fixture 10 movement, the side of described frame 17 is provided with one for advancing the propulsion plant 31 of steel pipe to be processed, described propulsion plant 31 is provided with one for extracting the pick-off unit 37 completing steel pipe to be processed, described propulsion plant 31 comprises bracing frame 28, be located at bracing frame 28 and the second propulsion cylinder 27 in frame 17, be located at the propulsive mechanism 30 on the second propulsion cylinder 27 piston rod, described pick-off unit 37 comprises and is located at bracing frame 28 side for capturing the grabbing device 41 of steel pipe, be located at grabbing device 41 side four-wheel drive cylinder 38, support frame as described above 28 is provided with for the parallel slide block 39 of two of driving grabbing device 41 to move left and right, be provided with one bottom described grabbing device 41 and slip the sliding seat 40 on slide block 39, the piston rod of described four-wheel drive cylinder 38 is connected with sliding seat 40, support frame as described above 28 is provided with a guide post 29 for sliding propulsive mechanism 30, the fixture block 22 that described clamping device 15 is symmetrical before and after comprising two, be located at the driving spring 23 between fixture block 22 and perforating device 13, be located at the semicircular folder hole 20 inside fixture block 22, described fixture block 22 is provided with an auxiliary punching cylinder 21, described perforating device 13 comprises the first driving cylinder 24 being located at fixture block 22 both sides, be located at the needle stand 25 of the first driving cylinder 24 front end, be located at the red needle 26 needle stand 25 coordinating with folder hole 20 and carries out punching, described driving spring 23 is set in red needle 26, described fixture 10 comprises slide 7, be located at the guide pin bushing 11 on slide 7, be located at the locking device 5 of guide pin bushing 11 rear end, described locking device 5 adopts pneumatic scroll chuck structure, described drive unit 2 be provided with one through guide pin bushing 11 and one end is positioned at the guide pipe 12 of folder hole 20, described propulsive mechanism 30 comprising the movable base 32 be located on guide post 29, being located at the push rod holder 36 of movable base 32 lower end, being located on push rod holder 36 for advancing the push rod 34 of steel pipe to be processed, the front end of described push rod 34 is provided with forward block 35, described push rod holder 36 adopts Collapsible structure, described push rod 34 adopts spiral to be connected with between push rod holder 36, the both sides of described guide post 29 are provided with a chute 33, and described movable base 32 slips in chute 33, described grabbing device 41 comprises the grabber 43 being arranged on the 3rd on sliding seat 40 and driving cylinder 42, be located at the piston rod front end of the 3rd driving cylinder 42, described grabber 43 adopts diameter to be less than the round bar structure of red needle 26, described grabber 43 is positioned in same level with the axis of red needle 26, and the described 3rd drives that cylinder 42 is vertical with four-wheel drive cylinder 38 to be arranged, described drive unit 2 comprises to be established the first drive motors 1 on guides 3, being located at the first drive motors 1 front end for driving the drive screw 4 of fixture 10 movement, described slide 7 is provided with a whirligig 9, described whirligig 9 comprise be located at slide 7 top second drive motors 8, be located at locking device 5 one end and the second drive motors 8 with the use of driving wheel 6, by tooth belt connection for transmission between described second drive motors 8 and driving wheel 6, described fixture block 22 is provided with a limited block 14 with stopper slot 18 with the side of needle stand 25, described limited block 14 and fixture block 22, between limited block 14 and needle stand 25, be respectively provided with a stop nut 19, described fixture block 22 be provided with one with needle stand 25 with the use of lead 16.
During real work, size according to pipe to be processed is changed push rod 34, forward block 35 is mated with steel pipe to be processed, adjusted by the height of push rod holder 36 pairs of forward blocks 35, when propulsive mechanism 30 is moved forward along guide post 29, forward block 35 can contact with Steel pipe end surface to be processed, when production and processing, staff passes only needing steel pipe to be processed in folder hole 20, one end due to guide pipe 12 is positioned at folder hole 20, when steel pipe to be processed passes in folder hole 20, just be enclosed within outside guide pipe 12, after steel pipe interts certain degree of depth, start the second propulsion cylinder 27 to be moved to the left, thus the movable base 32 be located on the second propulsion cylinder 27 piston rod is moved to the left, when forward block 35 withstands steel tube end part to be processed, continue to treat processing steel pipe by forward block 35 to move forward along guide pipe 12, one end locking is carried out after making one end of steel pipe to be processed arrive locking device 5, propulsion plant 31 resets to home position simultaneously, then controlling drive screw 4 by the first drive motors 1 drives fixture 10 to move to the left, until the hole of low order end is just positioned at the punching position of red needle 26 on steel pipe, in the process of fixture 10 movement to the left, guide pipe 12 can play the effect of a support guide to steel pipe, then drive cylinder 24 to promote needle stand 25 by first to move forward, thus the red needle 26 pairs of steel pipes be located on needle stand 25 are punched, when needle stand 25 moves forward, needle stand 25 can be made to drive it by driving spring 23, thus realize fixture block 22 pairs of steel pipes and clamp, in the process of punching, locking device 5 can also be driven to rotate by the second drive motors 8, thus make perforating device 13 realize carrying out machine-shaping to the hole of different parts on steel pipe, after punching completes, when first driving cylinder 24 drives needle stand 25 to reset backward, reset processing can be carried out to fixture block 22 by the limited block 14 with stopper slot 18, be located at fixture block 22 to carry out playing spacing effect in the process moved forward and backward at fixture block 22 and needle stand 25 with the lead 16 on needle stand 25, in the process of punching, if during hole steel pipe needing position, processing two holes accuracy higher, cylinder 24 can be driven to carry out drilling forming by auxiliary punching cylinder 21 and first simultaneously, thus make the standard that pitch of holes reaches required.
After steel pipe machines, start pick-off unit 37, by four-wheel drive cylinder 38, grabbing device 41 is slided to the left along slide block 39, when behind the position reaching setting, then only cylinder 42 drive rod grabber 43 need be driven to move forward by controlling the 3rd, diameter due to grabber 43 is less than red needle and axis being parallel, when grabber 43 pushes up to being just positioned at steel pipe molded hole time foremost, thus realize capturing the radial direction of steel pipe, when four-wheel drive cylinder 38 piston rod is retracted, grabber 43 just can pull the steel pipe machined to the right, thus one end of steel pipe is pulled out from fixture 10, after grabber 43 drives cylinder 42 to retract by the 3rd, steel pipe just can take off by staff easily, effectively avoid staff the step that steel pipe pulls out from fixture 10 is played, when unloading steel pipe, staff's just convenient and strength-saving steel pipe is taken out from machine of energy, effectively decrease the labour intensity of staff, the steel pipe machined only need be taken down and replace with new steel pipe to be processed and just can repeat realization operation by staff, defect existing for effective solution prior art problem, make to treat processing steel pipe in the process of punching and automatically advance clamping, auxiliary choosing can be carried out after steel pipe machines, pickup is convenient, fixing more firm to steel pipe, rotate convenient, regulate easy, operating efficiency is high, labour intensity is low.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (7)
1. a portable steel pipe sidewall puncher, it is characterized in that: comprise frame (17), be located at the clamping device (15) in frame (17), be located at the perforating device (13) of clamping device (15) both sides, be located at the upper and perforating device (13) of frame (17) with the use of fixture (10), described frame (17) is provided with the guide rail (3) for sliding fixture (10), the tail end of described guide rail (3) is provided with the drive unit (2) for driving fixture (10) movement, the side of described frame (17) is provided with one for advancing the propulsion plant (31) of steel pipe to be processed, described propulsion plant (31) is provided with one for extracting the pick-off unit (37) completing steel pipe to be processed, described propulsion plant (31) comprises bracing frame (28), be located at bracing frame (28) and the second propulsion cylinder (27) in frame (17), be located at the propulsive mechanism (30) on the second propulsion cylinder (27) piston rod, described pick-off unit (37) comprises and is located at bracing frame (28) side for capturing the grabbing device (41) of steel pipe, be located at grabbing device (41) side four-wheel drive cylinder (38), support frame as described above (28) is provided with for the parallel slide block (39) of two of driving grabbing device (41) to move left and right, described grabbing device (41) bottom is provided with one and slips the sliding seat (40) on slide block (39), the piston rod of described four-wheel drive cylinder (38) is connected with sliding seat (40), support frame as described above (28) is provided with a guide post for sliding propulsive mechanism (30) (29).
2. a kind of portable steel pipe sidewall puncher according to claim 1, it is characterized in that: the fixture block (22) that described clamping device (15) is symmetrical before and after comprising two, be located at the driving spring (23) between fixture block (22) and perforating device (13), be located at the semicircular folder hole (20) of fixture block (22) inner side, described fixture block (22) is provided with auxiliary punching cylinder (21), described perforating device (13) comprises the first driving cylinder (24) being located at fixture block (22) both sides, be located at the needle stand (25) of the first driving cylinder (24) front end, be located at needle stand (25) and above coordinate the red needle (26) of carrying out punching with folder hole (20), described driving spring (23) is set in red needle (26), described fixture (10) comprises slide (7), be located at the guide pin bushing (11) on slide (7), be located at the locking device (5) of guide pin bushing (11) rear end, described locking device (5) adopts pneumatic scroll chuck structure, described drive unit (2) be provided with one through guide pin bushing (11) and one end is positioned at the guide pipe (12) of folder hole (20).
3. a kind of portable steel pipe sidewall puncher according to claim 1, it is characterized in that: described propulsive mechanism (30) comprises the movable base (32) be located on guide post (29), be located at the push rod holder (36) of movable base (32) lower end, be located on push rod holder (36) for advancing the push rod (34) of steel pipe to be processed, the front end of described push rod (34) is provided with forward block (35), described push rod holder (36) adopts Collapsible structure, spiral is adopted to be connected between described push rod (34) with push rod holder (36), the both sides of described guide post (29) are provided with a chute (33), described movable base (32) slips in chute (33).
4. a kind of portable steel pipe sidewall puncher according to claim 2, it is characterized in that: described grabbing device (41) comprises the grabber (43) being arranged on the 3rd on sliding seat (40) and driving cylinder (42), be located at the piston rod front end of the 3rd driving cylinder (42), described grabber (43) adopts diameter to be less than the round bar structure of red needle (26), described grabber (43) is positioned in same level with the axis of red needle (26), and described 3rd driving cylinder (42) is vertical with four-wheel drive cylinder (38) to be arranged.
5. a kind of portable steel pipe sidewall puncher according to claim 1, is characterized in that: described drive unit (2) comprising the first drive motors (1) be located on guide rail (3), being located at the first drive motors (1) front end for driving the drive screw (4) of fixture (10) movement.
6. a kind of portable steel pipe sidewall puncher according to claim 2, it is characterized in that: described slide (7) is provided with a whirligig (9), described whirligig (9) comprise be located at slide (7) top second drive motors (8), be located at locking device (5) one end and the second drive motors (8) with the use of driving wheel (6), by tooth belt connection for transmission between described second drive motors (8) and driving wheel (6).
7. a kind of portable steel pipe sidewall puncher according to claim 2, it is characterized in that: described fixture block (22) is provided with a limited block with stopper slot (18) (14) with the side of needle stand (25), described limited block (14) and fixture block (22), between limited block (14) and needle stand (25), be respectively provided with a stop nut (19), described fixture block (22) be provided with one with needle stand (25) with the use of lead (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420785560.8U CN204353307U (en) | 2014-12-11 | 2014-12-11 | A kind of portable steel pipe sidewall puncher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420785560.8U CN204353307U (en) | 2014-12-11 | 2014-12-11 | A kind of portable steel pipe sidewall puncher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204353307U true CN204353307U (en) | 2015-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420785560.8U Expired - Fee Related CN204353307U (en) | 2014-12-11 | 2014-12-11 | A kind of portable steel pipe sidewall puncher |
Country Status (1)
| Country | Link |
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| CN (1) | CN204353307U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108044150A (en) * | 2017-12-25 | 2018-05-18 | 重庆能正机械有限公司 | A kind of drilling equipment of four-way movement |
| CN108748713A (en) * | 2018-05-31 | 2018-11-06 | 贵州拙意堂文化发展有限公司 | A kind of cinnabar perforating device |
-
2014
- 2014-12-11 CN CN201420785560.8U patent/CN204353307U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108044150A (en) * | 2017-12-25 | 2018-05-18 | 重庆能正机械有限公司 | A kind of drilling equipment of four-way movement |
| CN108748713A (en) * | 2018-05-31 | 2018-11-06 | 贵州拙意堂文化发展有限公司 | A kind of cinnabar perforating device |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 Termination date: 20171211 |
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| CF01 | Termination of patent right due to non-payment of annual fee |