CN208262435U - One kind is lauched with hand wheel type positive and negative rotation metal tube pipe fitting processing unit (plant) - Google Patents

One kind is lauched with hand wheel type positive and negative rotation metal tube pipe fitting processing unit (plant) Download PDF

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Publication number
CN208262435U
CN208262435U CN201820534857.5U CN201820534857U CN208262435U CN 208262435 U CN208262435 U CN 208262435U CN 201820534857 U CN201820534857 U CN 201820534857U CN 208262435 U CN208262435 U CN 208262435U
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CN
China
Prior art keywords
fixedly connected
polishing cylinder
effect
pipe fitting
pedestal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201820534857.5U
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Chinese (zh)
Inventor
何天行
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huizhou Huiyang Co-Operative Precision Casting Co Ltd
Original Assignee
Huizhou Huiyang Co-Operative Precision Casting Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Huizhou Huiyang Co-Operative Precision Casting Co Ltd filed Critical Huizhou Huiyang Co-Operative Precision Casting Co Ltd
Priority to CN201820534857.5U priority Critical patent/CN208262435U/en
Application granted granted Critical
Publication of CN208262435U publication Critical patent/CN208262435U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses one kind to be lauched with hand wheel type positive and negative rotation metal tube pipe fitting processing unit (plant), including device noumenon, pedestal is arranged in described device ontology, support construction is set on the pedestal, collecting tank is arranged in described device ontology, piggyback pod is arranged in the right side of the collecting tank, stabilizing mechanism is set on the left side wall of the piggyback pod, outer wall polishing cylinder and inner wall polishing cylinder is arranged in described device ontology, locating rod is arranged in the inside of the inner wall polishing cylinder, rotation axis is arranged in the inside of piggyback pod, first gear and third gear are set in the rotation axis, rotational pin is arranged in the top of the rotation axis, second gear is set on the rotational pin.The utility model structure is simple, high in machining efficiency, reinforces stability by stabilizing mechanism, it avoids metal tube when processing from shaking, ensure that the quality of processing, pipe fitting and processing parallelism structural are kept by support construction, processing effect is good, easy to use, practical.

Description

One kind is lauched with hand wheel type positive and negative rotation metal tube pipe fitting processing unit (plant)
Technical field
It is specifically a kind of to be lauched with hand wheel type positive and negative rotation metal tube pipe fitting the utility model relates to pipeline related fields Processing unit (plant).
Background technique
Pipeline is connected into pipe, pipe connector and valve etc. for conveying gas, liquid or with solid particle Fluid device.In general, fluid flows to low pressure from the high pressure of pipeline after the pressurization such as air blower, compressor, pump and boiler The pressure or gravity conveying of fluid itself can also be used in place.Having many uses for pipeline is general, be used primarily in water supply, draining, heat supply, It gives gas, in long distance delivery oil and natural gas, agricultural irrigation, hydraulic engineering and various commercial plants.
Metal tube is a kind of hollow strip circular metal material, is widely used mainly in petroleum, chemical industry, medical treatment, food, light The industrial transportation pipe lines such as work, machinery instrument and machine structural parts etc..In addition, when bending, torsional strength are identical, weight compared with Gently, so being also widely used in manufacture machine components and engineering structure.Also furniture kitchen tools etc. are commonly used for.
Metal pipe material needs when processing to further processing processing is carried out at its pipe fitting, because at pipe fitting The problems such as causing pipe leakage for working process bad time, not connecting appearance, it is therefore desirable to existing to being handled at its pipe fitting Processing mode, which substantially passes through, manually polishes or hand-held pipe fitting is polished using polishing machine, and this mode is polished Effect it is bad, and polish working efficiency it is relatively low, hand-held mode is also unstable, be easy to cause inferior goods to occur, because This needs makes improvements.
Utility model content
The purpose of this utility model is to provide one kind to be lauched with hand wheel type positive and negative rotation metal tube pipe fitting processing unit (plant), To solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions:
One kind is lauched with hand wheel type positive and negative rotation metal tube pipe fitting processing unit (plant), including device noumenon, described device sheet Pedestal is arranged in body, support construction is arranged on the pedestal, the left side of pedestal is arranged in the support construction, and described device ontology is set Collecting tank is set, the collecting tank is placed on the top of pedestal, and piggyback pod, the piggyback pod and bottom is arranged in the right side of the collecting tank Be fixedly connected by welding between seat, stabilizing mechanism be set on the left side wall of the piggyback pod, the stabilizing mechanism with It is fixedly connected between piggyback pod by the effect of connection frame, outer wall polishing cylinder and inner wall polishing cylinder, institute is arranged in described device ontology The inside that inner wall polishing cylinder is plugged on outer wall polishing cylinder is stated, locating rod, the locating rod is arranged in the inside of the inner wall polishing cylinder Right part and the inner wall of piggyback pod between be fixedly connected by welding, the side wall of the outer wall polishing cylinder and piggyback pod Between be rotatablely connected by the effect of bearing, the inner wall of the inner wall polishing cylinder and outer wall polishing cylinder is rotated by the effect of bearing Rotation axis is arranged in the inside of connection, piggyback pod, is rotatablely connected between the rotation axis and piggyback pod by the effect of bearing, described First gear and third gear are set in rotation axis, pass through the work of screw between the first gear or third gear and rotation axis With being fixedly connected, rotational pin is arranged in the top of the rotation axis, passes through bearing between the rotational pin and the inner wall of piggyback pod Effect is rotatablely connected, and second gear is arranged on the rotational pin, passes through the effect of screw between the second gear and rotational pin It is fixedly connected.
As a further solution of the present invention: the bottom of the pedestal is equipped with support column, the support column and pedestal Between be fixedly connected by welding, traveling wheel is arranged in the bottom of the support column, between the traveling wheel and support column It is fixedly connected by the effect of bracket.
As a further solution of the present invention: the support construction includes outer adjustment barrel, interior adjustment barrel, tightening knob And locating rack, it is fixedly connected by welding between the bottom and pedestal of the outer adjustment barrel, the interior adjustment barrel setting It is slidably connected between the inside of outer adjustment barrel, interior adjustment barrel and outer adjustment barrel, the side of the outer adjustment barrel is equipped with fastening rotation Button is fastenedly connected between the tightening knob and outer adjustment barrel by the effect of screw thread, and the top setting of the interior adjustment barrel is fixed Position frame, is rotatablely connected between the locating rack and interior adjustment barrel by the effect of bearing, the locating rack is ring structure.
As a further solution of the present invention: locking nut, the locking nut is arranged in the top of the locating rack It is fastenedly connected between locating rack by the effect of screw thread.
As a further solution of the present invention: backing plate, the backing plate is arranged in the junction of the collecting tank and pedestal It is fixedly connected between pedestal by the effect of glue.
As a further solution of the present invention: the stabilizing mechanism include rack, port, sleeve, pull rod, knob, Pressing plate and compressed spring, the stabilizing mechanism are arranged rack, are fixedly connected between the rack and connection frame, the right side of the rack Port is arranged in side, is welded to connect between the port and rack, and the inside of the port and rack is interconnected, in the rack Sleeve is set, is welded to connect between the sleeve and rack, pull rod is arranged in the inside of the sleeve, between the pull rod and sleeve It is slidably connected, pressing plate is arranged in the bottom of the pull rod, is fixedly connected between the pressing plate and pull rod by the effect of screw, described Knob is arranged in the top of pull rod, is fastenedly connected between the knob and pull rod by the effect of screw thread, pressure is arranged on the pull rod Contracting spring, one end of the compressed spring are fixedly connected with the end face of pressing plate, and the other end is fixedly connected with the end of sleeve.
As a further solution of the present invention: the outer of outer wall polishing cylinder is arranged in the right end of the inner wall polishing cylinder Portion, the outer wall polishing cylinder or inner wall polishing cylinder, which are arranged on the part inside piggyback pod, is arranged rubber pad, the rubber pad with It is fixedly connected between outer wall polishing cylinder or inner wall polishing cylinder by the effect of screw, ring gear, institute is arranged in the outside of the rubber pad It states and is fixedly connected between ring gear and rubber pad by screw.
The setting of the end outside piggyback pod hand is arranged in the rotation axis as a further solution of the present invention, Wheel, is fixedly connected between the handwheel and rotation axis by the effect of screw.
Compared with prior art, the utility model has the beneficial effects that the utility model structure is simple, just by hand wheel type Can effectively the connector of metal tube be processed by being driven reverse structure, high in machining efficiency, when working process It is capable of the stability of effective stiffening device ontology by the effect of stabilizing mechanism, metal tube when processing is avoided to occur It shakes, ensure that the quality of processing, pipe fitting and processing parallelism structural, processing effect can effectively be kept by the effect of support construction Fruit is good, easy to use, practical.
Detailed description of the invention
Fig. 1 is the structural schematic diagram being lauched with hand wheel type positive and negative rotation metal tube pipe fitting processing unit (plant).
Fig. 2 is the structural schematic diagram being lauched with stabilizing mechanism in hand wheel type positive and negative rotation metal tube pipe fitting processing unit (plant).
Fig. 3 be lauched with A-A in hand wheel type positive and negative rotation metal tube pipe fitting processing unit (plant) to cross-sectional view.
Fig. 4 is the cross-sectional view being lauched with B-B direction in hand wheel type positive and negative rotation metal tube pipe fitting processing unit (plant).
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Fig. 1-4 is please referred to, one kind is lauched with hand wheel type positive and negative rotation metal tube pipe fitting processing unit (plant), including device sheet Pedestal 1 is arranged in body, described device ontology, and the bottom of the pedestal 1 is equipped with support column 2, leads between the support column 2 and pedestal 1 The mode for crossing welding is fixedly connected, and traveling wheel 3 is arranged in the bottom of the support column 2, is led between the traveling wheel 3 and support column 2 The effect for crossing bracket is fixedly connected, and support construction is arranged on the pedestal 1, and the left side of pedestal 1 is arranged in the support construction, branch Support structure includes outer adjustment barrel 4, interior adjustment barrel 5, tightening knob 6 and locating rack 7, bottom and the pedestal 1 of the outer adjustment barrel 4 Between be fixedly connected by welding, the interior adjustment barrel 5 is arranged in the inside of outer adjustment barrel 4, interior adjustment barrel 5 be transferred Be slidably connected between section cylinder 4, the side of the outer adjustment barrel 4 is equipped with tightening knob 6, the tightening knob 6 and outer adjustment barrel 4 it Between be fastenedly connected by the effect of screw thread, locating rack 7, the locating rack 7 and interior adjustment barrel is arranged in the top of the interior adjustment barrel 5 It is rotatablely connected between 5 by the effect of bearing, the locating rack 7 is ring structure, and locking screw is arranged in the top of the locating rack 7 Mother 8, is fastenedly connected between the locking nut 8 and locating rack 7 by the effect of screw thread, and collecting tank is arranged in described device ontology 10, the collecting tank 10 is placed on the top of pedestal 1, and the junction of collecting tank 10 and pedestal 1 is arranged backing plate 9, the backing plate 9 with Be fixedly connected between pedestal 1 by the effect of glue, the right side of the collecting tank 10 is arranged piggyback pod 13, the piggyback pod 13 with It is fixedly connected by welding between pedestal 1, stabilizing mechanism 11, the stabilization is set on the left side wall of the piggyback pod 13 It is fixedly connected between mechanism 11 and piggyback pod 13 by the effect of connection frame 12, the stabilizing mechanism 11 includes rack 14, port 15, rack 14, the rack is arranged in sleeve 16, pull rod 17, knob 18, pressing plate 19 and compressed spring 20, the stabilizing mechanism 11 It is fixedly connected between 14 and connection frame 12, port 15 is arranged in the right side of the rack 14, welds between the port 15 and rack 14 It connects in succession, the port 15 and the inside of rack 14 are interconnected, and sleeve 16, the sleeve 16 and machine are arranged in the rack 14 It being welded to connect between frame 14, pull rod 17 is arranged in the inside of the sleeve 16, it is slidably connected between the pull rod 17 and sleeve 16, institute The bottom setting pressing plate 19 for stating pull rod 17, is fixedly connected between the pressing plate 19 and pull rod 17 by the effect of screw, the drawing The top setting knob 18 of bar 17, is fastenedly connected between the knob 18 and pull rod 17 by the effect of screw thread, the pull rod 17 Upper setting compressed spring 20, one end of the compressed spring 20 are fixedly connected with the end face of pressing plate 19, the other end and sleeve 16 End is fixedly connected, and outer wall polishing cylinder 22 and inner wall polishing cylinder 23,23 grafting of inner wall polishing cylinder is arranged in described device ontology In the inside of outer wall polishing cylinder 22, locating rod 21, the right part of the locating rod 21 is arranged in the inside of the inner wall polishing cylinder 23 Be fixedly connected by welding between the inner wall of piggyback pod 13, the side wall of the outer wall polishing cylinder 22 and piggyback pod 13 it Between be rotatablely connected by the effect of bearing, the inner wall of the inner wall polishing cylinder 23 and outer wall polishing cylinder 22 is turned by the effect of bearing The outside of outer wall polishing cylinder 22, the outer wall polishing cylinder 22 or inner wall is arranged in dynamic connection, the right end of the inner wall polishing cylinder 23 Polishing cylinder 23 is arranged on the part inside piggyback pod 13 setting rubber pad 24, the rubber pad 24 and outer wall polishing cylinder 22 or interior It is fixedly connected between wall polishing cylinder 23 by the effect of screw, ring gear 25, the ring gear 25 is arranged in the outside of the rubber pad 24 It is fixedly connected between rubber pad 24 by screw, rotation axis 26, the rotation axis 26 and power is arranged in the inside of piggyback pod 13 It is rotatablely connected between cabin 13 by the effect of bearing, the setting of the end outside piggyback pod 13 handwheel is arranged in the rotation axis 26 27, it is fixedly connected between the handwheel 27 and rotation axis 26 by the effect of screw, first gear is set in the rotation axis 26 28 and third gear 31, connect between the first gear 28 or third gear 31 and rotation axis 26 by the way that the effect of screw is fixed It connects, is intermeshed between the ring gear 25 in the first gear 28 and outer wall polishing cylinder 22, the top setting of the rotation axis 26 Rotational pin 29 is rotatablely connected between the rotational pin 29 and the inner wall of piggyback pod 13 by the effect of bearing, the rotational pin 29 Upper setting second gear 30, is fixedly connected between the second gear 30 and rotational pin 29 by the effect of screw, described second The upper and lower ends of gear 30 respectively in inner wall polishing cylinder 23 ring gear 25 and third gear 31 be intermeshed.
The working principle of the utility model is: device noumenon using when be to be installed to metal tube first, peace The mode of dress is that the head of pipe fitting is plugged into locating rack 7, then the position of outer wall polishing cylinder 22 will be arrived at pipe fitting simultaneously And grafting is entered, and then tightens locking nut 8, and the position of pipe fitting is fixed, and the height of interior adjustment barrel 5 is adjusted after fixing Position and the processing parallelism structural that pipe fitting processing is kept by adjusting, by the effect of tightening knob 6 by position after regulating It fixes, after forgetting about it pipe fitting at outer wall polishing cylinder 22, needs to reinforce the position of pipe fitting, avoid Occur shaking during processing causing processing effect bad, reinforcing when is to pass through pipe fitting at stabilizing mechanism 11, uses hand Pressing plate 19 is abutted on pipe fitting, is squeezed by the effect of compressed spring 20 pipe fitting, pass through this side by pull-up pull rod 17 Pipe fitting is carried out reinforcing stabilization by formula, and then pipe fitting is plugged at outer wall polishing cylinder 22, by pipe fitting when grafting Outer wall section is plugged on the inside of outer wall polishing cylinder 22, and inner wall polishing cylinder 23 is made to be located at the inside of pipe fitting, by this The inside and outside sanding and polishing simultaneously of mode, driving when, pass through the effect of handwheel 27 and are driven under the action of gear, because It is different from the connection type of driving structure for outer wall polishing cylinder 22 and inner wall polishing cylinder 23, therefore outer wall polishing cylinder 22 and inner wall are beaten The steering of mill tube 23 is on the contrary, the reversed polishing of realization outer wall polishing cylinder 22 and inner wall polishing cylinder 23 in this way, is operating During can adjust polishing direction by manually controlling steering to realize forward and reverse polishing, the utility model structure letter It is single, effectively the connector of metal tube can be processed by hand wheel type positive and negative rotation driving structure, it is high in machining efficiency, It is capable of the stability of effective stiffening device ontology when working process by the effect of stabilizing mechanism 11, avoids in processing When metal tube shake, ensure that the quality of processing, by the effect of support construction can effectively keep pipe fitting with plus Work parallelism structural, processing effect is good, easy to use, practical.
The preferred embodiment of the patent is described in detail above, but this patent is not limited to above-mentioned embodiment party Formula within the knowledge of one of ordinary skill in the art can also be under the premise of not departing from this patent objective It makes a variety of changes.

Claims (8)

1. one kind is lauched with hand wheel type positive and negative rotation metal tube pipe fitting processing unit (plant), including device noumenon, which is characterized in that institute Device noumenon setting pedestal (1) is stated, support construction, a left side of the support construction setting in pedestal (1) are set on the pedestal (1) Collecting tank (10) are arranged in side, described device ontology, and the collecting tank (10) is placed on the top of pedestal (1), the collecting tank (10) piggyback pod (13) are arranged in right side, are fixedly connected by welding between the piggyback pod (13) and pedestal (1), institute Setting stabilizing mechanism (11) on the left side wall of piggyback pod (13) is stated, passes through company between the stabilizing mechanism (11) and piggyback pod (13) The effect for connecing frame (12) is fixedly connected, and outer wall polishing cylinder (22) and inner wall polishing cylinder (23) is arranged in described device ontology, described interior Wall polishing cylinder (23) is plugged on the inside of outer wall polishing cylinder (22), and locating rod is arranged in the inside of the inner wall polishing cylinder (23) (21), it is fixedly connected by welding between the right part of the locating rod (21) and the inner wall of piggyback pod (13), it is described It is rotatablely connected between outer wall polishing cylinder (22) and the side wall of piggyback pod (13) by the effect of bearing, the inner wall polishing cylinder (23) It being rotatablely connected with the inner wall of outer wall polishing cylinder (22) by the effect of bearing, rotation axis (26) are arranged in the inside of piggyback pod (13), It is rotatablely connected between the rotation axis (26) and piggyback pod (13) by the effect of bearing, is arranged first on the rotation axis (26) Gear (28) and third gear (31) pass through screw between the first gear (28) or third gear (31) and rotation axis (26) Effect be fixedly connected, rotational pin (29) are arranged in the top of the rotation axis (26), the rotational pin (29) and piggyback pod (13) Inner wall between be rotatablely connected by the effect of bearing, second gear (30) are set on the rotational pin (29), second tooth It is fixedly connected between wheel (30) and rotational pin (29) by the effect of screw.
2. according to claim 1 be lauched with hand wheel type positive and negative rotation metal tube pipe fitting processing unit (plant), which is characterized in that The bottom of the pedestal (1) is equipped with support column (2), fixed by welding between the support column (2) and pedestal (1) to connect It connects, traveling wheel (3) are arranged in the bottom of the support column (2), pass through the work of bracket between the traveling wheel (3) and support column (2) With being fixedly connected.
3. according to claim 1 be lauched with hand wheel type positive and negative rotation metal tube pipe fitting processing unit (plant), which is characterized in that The support construction includes outer adjustment barrel (4), interior adjustment barrel (5), tightening knob (6) and locating rack (7), the outer adjustment barrel (4) it is fixedly connected by welding between bottom and pedestal (1), the interior adjustment barrel (5) is arranged in outer adjustment barrel (4) inside is slidably connected between interior adjustment barrel (5) and outer adjustment barrel (4), and the side of the outer adjustment barrel (4) is equipped with fastening Knob (6) is fastenedly connected between the tightening knob (6) and outer adjustment barrel (4) by the effect of screw thread, the interior adjustment barrel (5) locating rack (7) are arranged in top, are rotatablely connected between the locating rack (7) and interior adjustment barrel (5) by the effect of bearing, The locating rack (7) is ring structure.
4. according to claim 3 be lauched with hand wheel type positive and negative rotation metal tube pipe fitting processing unit (plant), which is characterized in that Locking nut (8) are arranged in the top of the locating rack (7), pass through the work of screw thread between the locking nut (8) and locating rack (7) With being fastenedly connected.
5. according to claim 1 be lauched with hand wheel type positive and negative rotation metal tube pipe fitting processing unit (plant), which is characterized in that Backing plate (9) are arranged in the junction of the collecting tank (10) and pedestal (1), pass through glue between the backing plate (9) and pedestal (1) Effect is fixedly connected.
6. according to claim 1 be lauched with hand wheel type positive and negative rotation metal tube pipe fitting processing unit (plant), which is characterized in that The stabilizing mechanism (11) includes rack (14), port (15), sleeve (16), pull rod (17), knob (18), pressing plate (19) and pressure Contracting spring (20), the stabilizing mechanism (11) are arranged rack (14), are fixedly connected between the rack (14) and connection frame (12), Port (15) are arranged in the right side of the rack (14), are welded to connect between the port (15) and rack (14), the port (15) it is interconnected with the inside of rack (14), sleeve (16) is set on the rack (14), the sleeve (16) and rack (14) it is welded to connect between, pull rod (17) are arranged in the inside of the sleeve (16), sliding between the pull rod (17) and sleeve (16) Pressing plate (19) are arranged in the bottom of dynamic connection, the pull rod (17), pass through the work of screw between the pressing plate (19) and pull rod (17) With being fixedly connected, the top setting knob (18) of the pull rod (17) passes through screw thread between knob (18) and the pull rod (17) Effect be fastenedly connected, compressed spring (20) are set on the pull rod (17), one end of the compressed spring (20) and pressing plate (19) end face is fixedly connected, and the other end is fixedly connected with the end of sleeve (16).
7. according to claim 1 be lauched with hand wheel type positive and negative rotation metal tube pipe fitting processing unit (plant), which is characterized in that The right end of the inner wall polishing cylinder (23) is arranged in the outside of outer wall polishing cylinder (22), and the outer wall polishing cylinder (22) or inner wall are beaten Rubber pad (24) are arranged on the internal part of piggyback pod (13) in mill tube (23) setting, the rubber pad (24) and outer wall polishing cylinder (22) or between inner wall polishing cylinder (23) it is fixedly connected by the effect of screw, ring gear is arranged in the outside of the rubber pad (24) (25), it is fixedly connected between the ring gear (25) and rubber pad (24) by screw.
8. according to claim 1 be lauched with hand wheel type positive and negative rotation metal tube pipe fitting processing unit (plant), which is characterized in that Handwheel (27) are arranged in the external end of piggyback pod (13) in rotation axis (26) setting, the handwheel (27) and rotation axis (26) Between be fixedly connected by the effect of screw.
CN201820534857.5U 2018-04-16 2018-04-16 One kind is lauched with hand wheel type positive and negative rotation metal tube pipe fitting processing unit (plant) Expired - Fee Related CN208262435U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820534857.5U CN208262435U (en) 2018-04-16 2018-04-16 One kind is lauched with hand wheel type positive and negative rotation metal tube pipe fitting processing unit (plant)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820534857.5U CN208262435U (en) 2018-04-16 2018-04-16 One kind is lauched with hand wheel type positive and negative rotation metal tube pipe fitting processing unit (plant)

Publications (1)

Publication Number Publication Date
CN208262435U true CN208262435U (en) 2018-12-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820534857.5U Expired - Fee Related CN208262435U (en) 2018-04-16 2018-04-16 One kind is lauched with hand wheel type positive and negative rotation metal tube pipe fitting processing unit (plant)

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108527022A (en) * 2018-04-16 2018-09-14 何天行 A kind of lower water hand wheel type positive and negative rotation metal tube pipe fitting processing unit (plant)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108527022A (en) * 2018-04-16 2018-09-14 何天行 A kind of lower water hand wheel type positive and negative rotation metal tube pipe fitting processing unit (plant)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20181221

CF01 Termination of patent right due to non-payment of annual fee