CN113351774A - Engineering pipe machining device and method - Google Patents
Engineering pipe machining device and method Download PDFInfo
- Publication number
- CN113351774A CN113351774A CN202110611623.2A CN202110611623A CN113351774A CN 113351774 A CN113351774 A CN 113351774A CN 202110611623 A CN202110611623 A CN 202110611623A CN 113351774 A CN113351774 A CN 113351774A
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- Prior art keywords
- frame
- engineering
- tapered
- flaring
- conical
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000003754 machining Methods 0.000 title claims description 14
- 238000003825 pressing Methods 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 210000005239 tubule Anatomy 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/02—Enlarging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/04—Reducing; Closing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention relates to the field of pipe processing, in particular to a device and a method for processing engineering pipes. The utility model provides a method that engineering used tubular product processingequipment processed engineering used tubular product, includes chassis, folder, inverted cone portion, plug frame I and screw rod, be provided with two folders on the chassis, fixedly connected with plug frame I on the chassis, the upper portion threaded connection of plug frame I has the screw rod, has linked firmly inverted cone portion on the screw rod and has used tubular product processingequipment for engineering used tubular product includes following step: (A) expanding a conical flaring on the thin tube, and contracting a conical closing-in on the thick tube; (B) an L-shaped clamping groove I is formed in the conical flaring, and the convex column is welded on the outer side of the conical closing-in; (C) and inserting the tapered closing-in into the tapered flaring, vertically inserting the convex column into the L-shaped clamping groove I and rotating to complete the connection of the tapered closing-in and the tapered flaring.
Description
Technical Field
The invention relates to the field of pipe processing, in particular to a device and a method for processing engineering pipes.
Background
The patent number is 201921490799.1 discloses a tubular product processing isolated plant, and this utility model relates to a tubular product processing isolated plant specifically is a tubular product processing isolated plant, including bottom sprag base plate, bottom sprag base plate's top fixedly connected with fixed support frame, the slide has been seted up to fixed support frame's inner wall, the first motor of fixed support frame's top fixedly connected with, the output fixedly connected with threaded rod of first motor, the surface of threaded rod is provided with joint support frame, the logical groove of bar has been seted up to joint support frame's bottom, joint support frame's the fixed protection frame of bottom fixedly connected with. This tubular product processing isolated plant through being provided with spacing fixture block, and spacing fixture block can support the pipeline with spacing for the cutting is more level and more smooth, through being provided with the locator card frame, is convenient for change spacing fixture block, convenient and fast through being provided with the collecting vat, and the sweeps that produces when being convenient for will cut guides and collects, through being provided with the safety block, has improved the device's security. But this patent does not allow flaring of the tube.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a device and a method for processing engineering pipes.
The utility model provides a tubular product processingequipment for engineering, includes chassis, folder, inverted cone portion, plug frame I and screw rod, be provided with two folders on the chassis, fixedly connected with plug frame I on the chassis, the upper portion threaded connection of plug frame I has the screw rod, has linked firmly inverted cone portion on the screw rod.
The utility model provides a tubular product processingequipment for engineering still includes sideslip post and fixed cover, is provided with two fixed covers on the chassis relatively, has all linked firmly the sideslip post on every folder, and two sideslip posts sliding connection are respectively sheathe in two fixed, and the mode that compresses tightly through the screw between sideslip post and the fixed cover is fixed.
The pipe machining device for the engineering further comprises a socket, the socket is arranged on the chassis, the inserting frame I is inserted into the socket, and the inserting frame I is fixed to the socket through a plug pin.
The utility model provides a tubular product processingequipment for engineering still includes and inserts frame II, lifter and malleation portion, will insert frame I and pull out the back from the socket, can insert on the socket with inserting frame II to insert frame II and pass through the bolt to be fixed on the socket, the vertical sliding connection of lifter is on inserting frame II's upper portion, compresses tightly fixedly through the screw between lifter and the inserting frame II, and the lower part of lifter has linked firmly the malleation portion.
The screw rod is detachably connected with the inverted cone part through threads.
The lifting rod and the positive conical part are detachably connected through threads.
The engineering pipe machining device further comprises an underframe, and the center of the lower side of the underframe is rotatably connected to the underframe.
The utility model provides a tubular product processingequipment for engineering still includes stand, telescopic link, compression roller frame and compression roller, the one end fixedly connected with stand of chassis, compression roller frame slant sliding connection is on the upper portion of stand, rotates on the compression roller frame and is connected with the compression roller, the compression roller contacts with the outer peripheral face in malleation portion, the upper portion of stand is provided with the telescopic link, the one end fixed connection of telescopic link is in the one end of compression roller frame.
The pipe machining device for engineering further comprises a handle rod, and the handle rod is fixedly connected to the chassis.
A method for processing engineering pipes by an engineering pipe processing device comprises the following steps:
(A) expanding a conical flaring on the thin tube, and contracting a conical closing-in on the thick tube;
(B) an L-shaped clamping groove I is formed in the conical flaring, and the convex column is welded on the outer side of the conical closing-in;
(C) and inserting the tapered closing-in into the tapered flaring, vertically inserting the convex column into the L-shaped clamping groove I and rotating to complete the connection of the tapered closing-in and the tapered flaring.
The invention relates to a processing device and a processing method of a pipe for engineering, which have the beneficial effects that:
the tube can be flared and closed.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a first schematic structural view of an embodiment of flaring a taper on a thin tube;
FIG. 2 is a second schematic structural view of an embodiment for flaring a conical flare on a tubule;
FIG. 3 is a first schematic structural view of an embodiment of a tapered neck-in on a thick tube;
FIG. 4 is a schematic structural diagram II of an embodiment in which a tapered neck-in is formed by necking down a thick tube;
FIG. 5 is a schematic structural diagram III of an embodiment of a tapered closure on a raw tube;
FIG. 6 is a fourth schematic structural view of an embodiment of a tapered neck-in on a thick tube;
FIG. 7 is a schematic view of the construction of the chassis;
FIG. 8 is a schematic structural view of an engineering pipe;
FIG. 9 is a schematic structural view of a connecting tube;
FIG. 10 is a schematic structural view of a tubule;
fig. 11 is a schematic structural view of a thick pipe.
In the figure: a connecting pipe 101; a threaded post 102; a nut 103; a flange 104;
a thin tube 201; a set screw 202; an L-shaped card slot I203; a tapered flare 204;
a thick tube 301; an L-shaped card slot II 302; a tapered closing-in 303; a convex column 304;
a chassis 401; a clip 402; an inverted cone 403; a plug-in frame I404; a screw 405; a socket 406; a bay II 407; a lifter bar 408; a front cone part 409; a handle bar 410; a traversing column 411; a securing sleeve 412;
a chassis 501; a column 502; a telescopic rod 503; a roll stand 504; and a pressure roller 505.
Detailed Description
Referring to fig. 1-2 and 10, for example, an embodiment of the present invention is shown that addresses the problem of flaring a conical flare 204 on a tubule 201,
because the pipe machining device comprises a base plate 401, clamping pieces 402, an inverted cone 403, an inserting frame I404 and a screw 405, the base plate 401 is provided with the two clamping pieces 402, the two clamping pieces 402 can vertically clamp and fix the pipe, the base plate 401 is provided with the inserting frame I404, the inserting frame I404 plays a role in arranging the screw 405, the screw 405 is fixedly connected with the inverted cone 403, the screw 405 can be driven to move downwards relative to the inserting frame I404 by rotating the screw 405, the inverted cone 403 is driven to move downwards, the inverted cone 403 is inserted into the upper portion of the plate between the two clamping pieces 402, and then the upper portion of the pipe is flared. I.e. a conical flare 204 is flared onto the tubule 201.
Referring to fig. 1-2, for example, there is shown an embodiment of the present invention that addresses the problem of clamping sheets of different diameters placed on a base plate 401,
because two fixing sleeves 412 are arranged on the base plate 401, the transverse moving column 411 is fixedly connected to the clamping piece 402, and the transverse moving column 411 is slidably connected to the fixing sleeves 412, the clamping piece 402 can slide left and right on the fixing sleeves 412 through the transverse moving column 411, the purpose of adjusting the distance between the two clamping pieces 402 is achieved, and plates with different diameters and placed on the base plate 401 are clamped tightly.
Referring to fig. 1-2, for example, an embodiment of the present invention is shown that addresses the problem of facilitating removal of a jack I404 from a receptacle 406,
since the chassis 401 is provided with the socket 406, the jack I404 is plugged into the socket 406, and the jack I404 is fixed on the socket 406 by a plug, the jack I404 is easy to detach from the socket 406.
Referring to fig. 5-6 and 11, for example, an embodiment of the present invention is shown that solves the problem of necking out a tapered neck 303 on a larger tube 301,
because the inserting frame I404 is convenient to detach from the socket 406, the replaceable inserting frame II407 can be inserted into the socket 406, the inserting frame II407 and the socket 406 are fixed through a plug pin, the lifting rod 408 can vertically slide on the upper portion of the inserting frame II407, the lifting rod 408 and the inserting frame II407 can be fixed in a screw pressing mode, the lower portion of the lifting rod 408 is provided with a regular cone 409, the regular cone 409 can be inserted into the upper portion of the pipe, then the upper portion of the pipe is pressed, so that the upper portion of the pipe is reduced, namely, the tapered closing-in 303 is reduced on the thick pipe 301; the thin tube 201 is expanded with a conical flaring 204, the thick tube 301 is contracted with a conical closing-in 303, and the conical closing-in 303 can be inserted into the conical flaring 204, so that the thin tube 201 and the thick tube 301 which are different in diameter can be connected.
Referring to fig. 1-2, for example, an embodiment of the present invention is shown that addresses the problem of facilitating the replacement of reverse tapers 403 of different gauges,
since the screw 405 is detachably connected with the reverse taper portion 403 through the screw thread, the reverse taper portion 403 with different specifications can be conveniently replaced.
Referring to fig. 5-6, for example, an embodiment of the present invention is shown that addresses the problem of facilitating replacement of a different gauge forward taper 409,
since the lifter 408 and the positive taper 409 are detachably connected by a screw, access is facilitated for replacing the positive taper 409 of a different specification.
Referring to fig. 3-8, for example, an embodiment of the present invention is shown to solve the problem of facilitating the rotation of the sheet material on the carrying plate 401,
because the lower side center of the chassis 401 is rotatably connected to the bottom frame 501, the chassis 401 can rotate on the bottom frame 501 by taking the axis of the chassis 401 as a shaft, and further the plate on the chassis 401 can be conveniently driven to rotate.
Referring to fig. 5-11, for example, an embodiment of the present invention is shown that addresses the problem of forming a tapered closure 303 at a wide tube 301,
since one end of the bottom frame 501 is fixedly connected with the upright column 502, the upper part of the upright column 502 is obliquely and slidably connected with the roller frame 504, the pressing roller 505 is rotatably connected on the roller frame 504, and the pressing roller 504 can be in contact with the outer peripheral surface of the positive cone 409, so that the positive cone 409 is inserted into the upper part of the pipe, then the pressing roller 504 is pressed to the outer peripheral surface of the positive cone 409, then the base plate 401 rotates on the bottom frame 501 by taking the axis of the base plate as an axis, so that the pressing roller 505 presses one circle of the pipe at the positive cone 409, the pipe is closed, and the tapered closing-in 303 is formed at the thick pipe 301.
Referring to fig. 5-6, for example, there is shown an embodiment of the present invention that addresses the problem of facilitating the rotation of the drive chassis 401 about its own axis on the undercarriage 501,
the handle rod 410 is fixedly connected to the chassis 401, so that the chassis 401 can be driven to rotate around the axis of the chassis 501.
A method for processing engineering pipes by an engineering pipe processing device comprises the following steps:
(A) a conical flaring 204 is expanded on the thin tube 201, and a conical closing-in 303 is contracted on the thick tube 301;
(B) an L-shaped clamping groove I203 is formed in the conical flaring 204, and the convex column 304 is welded on the outer side of the conical closing-in 303;
(C) inserting the tapered closing-in 303 into the tapered flaring 204, vertically inserting the convex column 304 into the L-shaped clamping groove I203 and rotating to complete the connection of the tapered closing-in 303 and the tapered flaring 204.
Utilize a tubular product for engineering that a tubular product processingequipment for engineering processed, a tubular product for engineering includes tubule 201, L shape draw-in groove I203, toper flaring 204, thick pipe 301, toper binding off 303 and projection 304, the upper portion of tubule 201 is provided with toper flaring 204, be provided with L shape draw-in groove I203 on the toper flaring 204, the lower part of thick pipe 301 is provided with toper binding off 303, toper binding off 303 is inserted on toper flaring 204, projection 304 is inserted on L shape draw-in groove I203, accomplish the connection of toper binding off 303 and toper flaring 204.
Referring to fig. 1-11, for example, an embodiment of the present invention is shown that addresses the problem of completing the connection of the tapered closure 303 and the tapered flare 204,
after the tapered flaring 204 is processed on the thin tube 201, an angle grinder can be used for processing an L-shaped clamping groove I203 at the tapered flaring 204, after the tapered closing-in 303 is processed on the thick tube 301, the convex column 304 is welded at the tapered closing-in 303, the tapered closing-in 303 can be conveniently inserted on the tapered flaring 204, the convex column 304 is inserted on the L-shaped clamping groove I203, and the connection between the tapered closing-in 303 and the tapered flaring 204 is completed
The engineering pipe further comprises a fixing screw 202, an insertion hole corresponding to the fixing screw 202 is formed in the convex column 304, the thin pipe 201 is connected with the fixing screw 202 through threads, and the fixing screw 202 is inserted into the insertion hole.
Referring to fig. 1-11, for example, there is shown an embodiment of the present invention that addresses the problem of preventing disconnection between a fine tube 201 and a coarse tube 301,
when the fixing screw 202 is screwed, the fixing screw 202 can move up and down relative to the thin tube 201, and then after the convex column 304 is inserted in the deepest part of the L-shaped clamping groove I203, the fixing screw 202 can be inserted into the inserting hole in the convex column 304, so that the thin tube 201 is prevented from rotating relative to the thick tube 301, and further the thin tube 201 and the thick tube 301 are prevented from being disconnected.
The engineering pipe further comprises a connecting pipe 101, threaded columns 102, nuts 103 and L-shaped clamping grooves II302, the two L-shaped clamping grooves II302 are oppositely arranged on the upper portion of the thick pipe 301, the two threaded columns 102 are oppositely arranged on the outer side of the connecting pipe 101, the connecting pipe 101 is inserted into the upper portion of the thick pipe 301, the two threaded columns 102 are respectively inserted into the two L-shaped clamping grooves II302, the nuts 103 are connected onto the two threaded columns 102 through threads, and the two nuts 103 are all tightly pressed on the outer side of the thick pipe 301.
Referring to fig. 1-11, for example, there is shown an embodiment of the present invention that addresses the problem of completing a connection between connecting pipe 101 and thicker pipe 301,
two L-shaped clamping grooves II302 can be processed on the upper part of the thick pipe 301 by using an angle grinder, then the connecting pipe 101 can be inserted into the upper part of the thick pipe 301, then the two threaded columns 102 are respectively connected at the two L-shaped clamping grooves II302, then the two nuts 103 are screwed and pressed on the outer side of the thick pipe 301, so that the connection between the connecting pipe 101 and the thick pipe 301 is completed, and the connecting pipe 101 can be prevented from being separated from the thick pipe 301.
The engineering pipe further comprises a flange 104, and the flange 104 is fixedly connected to the upper portion of the connecting pipe 101.
Referring to fig. 1-11, for example, there is shown an embodiment of the present invention that addresses the problem of securing the wide tube 301 and the narrow tube 201 in a desired position,
the flange 104 may be inserted with screws to fix the connection pipe 101 at a desired position, and thus the thick pipe 301 and the thin pipe 201 at desired positions.
Claims (10)
1. The utility model provides a tubular product processingequipment for engineering, includes chassis (401), folder (402), back taper portion (403), plug frame I (404) and screw rod (405), its characterized in that: the base plate (401) is provided with two clamping pieces (402), the base plate (401) is fixedly connected with an inserting frame I (404), the upper portion of the inserting frame I (404) is in threaded connection with a screw rod (405), and the screw rod (405) is fixedly connected with an inverted cone portion (403).
2. The pipe machining device for engineering according to claim 1, wherein: the clamping device is characterized by further comprising a transverse moving column (411) and a fixing sleeve (412), wherein the two fixing sleeves (412) are oppositely arranged on the chassis (401), each clamping piece (402) is fixedly connected with the transverse moving column (411), the two transverse moving columns (411) are respectively connected onto the two fixing sleeves (412) in a sliding mode, and the transverse moving columns (411) and the fixing sleeves (412) are fixed in a screw pressing mode.
3. The pipe machining device for engineering according to claim 2, wherein: the portable multifunctional electric vehicle is characterized by further comprising a socket (406), the socket (406) is arranged on the chassis (401), the inserting frame I (404) is inserted into the socket (406), and the inserting frame I (404) is fixed on the socket (406) through a plug pin.
4. The pipe machining device for engineering according to claim 3, wherein: still including inserting frame II (407), lifter (408) and positive cone portion (409), pull out inserting frame I (404) from socket (406) after, can insert inserting frame II (407) on socket (406), and inserting frame II (407) passes through the bolt and fixes on socket (406), lifter (408) vertical sliding connection is on the upper portion of inserting frame II (407), compress tightly through the screw between lifter (408) and inserting frame II (407) and fix, the lower part of lifter (408) has linked firmly positive cone portion (409).
5. The pipe machining device for engineering according to claim 1, wherein: the screw (405) and the inverted cone part (403) are detachably connected through threads.
6. The pipe machining device for engineering according to claim 4, wherein: the lifting rod (408) and the positive conical part (409) are detachably connected through threads.
7. The pipe machining device for engineering according to claim 6, wherein: the multifunctional bicycle is characterized by further comprising a bottom frame (501), wherein the center of the lower side of the bottom frame (401) is rotatably connected to the bottom frame (501).
8. The pipe machining device for engineering according to claim 7, wherein: the novel vertical column pressing machine is characterized by further comprising a vertical column (502), an expansion link (503), a pressing roller frame (504) and a pressing roller (505), wherein the vertical column (502) is fixedly connected to one end of the bottom frame (501), the upper portion of the vertical column (502) is obliquely and slidably connected with the pressing roller frame (504), the pressing roller frame (504) is connected with the pressing roller (505) in a rotating mode, the pressing roller (504) can be in contact with the outer peripheral surface of the right cone portion (409), the upper portion of the vertical column (502) is fixedly connected with the expansion link (503), and the movable end of the expansion link (503) is fixedly connected to the end portion of the pressing roller frame (504).
9. The pipe machining device for engineering according to claim 8, wherein: the multifunctional bicycle is characterized by further comprising a handle rod (410), wherein the handle rod (410) is fixedly connected to the chassis (401).
10. The method for processing the engineering pipe by the engineering pipe processing device according to claim 9 comprises the following steps:
(A) a conical flaring (204) is expanded on the thin tube (201), and a conical closing-in (303) is contracted on the thick tube (301);
(B) an L-shaped clamping groove I (203) is formed in the conical flaring (204), and the convex column (304) is welded on the outer side of the conical closing-in (303);
(C) and inserting the tapered closing-in (303) into the tapered flaring (204), vertically inserting the convex column (304) into the L-shaped clamping groove I (203) and rotating to complete the connection of the tapered closing-in (303) and the tapered flaring (204).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110611623.2A CN113351774A (en) | 2021-06-02 | 2021-06-02 | Engineering pipe machining device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110611623.2A CN113351774A (en) | 2021-06-02 | 2021-06-02 | Engineering pipe machining device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113351774A true CN113351774A (en) | 2021-09-07 |
Family
ID=77531119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110611623.2A Pending CN113351774A (en) | 2021-06-02 | 2021-06-02 | Engineering pipe machining device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113351774A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05337577A (en) * | 1992-06-11 | 1993-12-21 | Tomotake Shigemori | Production and apparatus for diameter reduction and enlargement of material |
| JP2006218517A (en) * | 2005-02-10 | 2006-08-24 | Mikuni Kogyo:Kk | Metallic draw pipe, and its manufacturing method |
| CN101324293A (en) * | 2007-06-17 | 2008-12-17 | 李东泽 | Tube used for refrigerating device and its processing method |
| CN201940493U (en) * | 2010-12-22 | 2011-08-24 | 湖州腾云制冷设备有限公司 | Reducing assembly |
| CN102756046A (en) * | 2011-04-29 | 2012-10-31 | 南车戚墅堰机车车辆工艺研究所有限公司 | Closing tool for end socket of air cylinder |
| CN204842722U (en) * | 2015-07-03 | 2015-12-09 | 肥城金威机械有限公司 | Take over once shaping processingequipment of throat |
| CN206997579U (en) * | 2017-07-28 | 2018-02-13 | 江苏博亚照明电器有限公司 | A kind of electrically tubing expanding device |
| CN210059583U (en) * | 2019-03-27 | 2020-02-14 | 武汉泰诺福伦机械有限公司 | Copper pipe flaring and necking device |
| CN210159350U (en) * | 2019-06-19 | 2020-03-20 | 潍坊天洁环保科技有限公司 | Jetting pipe quick-connecting device of bag-type dust collector pulse dust removing system |
| CN210172389U (en) * | 2019-05-13 | 2020-03-24 | 佛山市恒合信管业有限公司 | Mouth expanding and contracting device for stainless steel pipe |
| CN111515310A (en) * | 2020-05-19 | 2020-08-11 | 浙江蒂绅科技股份有限公司 | Expansion and closing-in integrated machine for water outlet pipe of evaporator frame |
-
2021
- 2021-06-02 CN CN202110611623.2A patent/CN113351774A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05337577A (en) * | 1992-06-11 | 1993-12-21 | Tomotake Shigemori | Production and apparatus for diameter reduction and enlargement of material |
| JP2006218517A (en) * | 2005-02-10 | 2006-08-24 | Mikuni Kogyo:Kk | Metallic draw pipe, and its manufacturing method |
| CN101324293A (en) * | 2007-06-17 | 2008-12-17 | 李东泽 | Tube used for refrigerating device and its processing method |
| CN201940493U (en) * | 2010-12-22 | 2011-08-24 | 湖州腾云制冷设备有限公司 | Reducing assembly |
| CN102756046A (en) * | 2011-04-29 | 2012-10-31 | 南车戚墅堰机车车辆工艺研究所有限公司 | Closing tool for end socket of air cylinder |
| CN204842722U (en) * | 2015-07-03 | 2015-12-09 | 肥城金威机械有限公司 | Take over once shaping processingequipment of throat |
| CN206997579U (en) * | 2017-07-28 | 2018-02-13 | 江苏博亚照明电器有限公司 | A kind of electrically tubing expanding device |
| CN210059583U (en) * | 2019-03-27 | 2020-02-14 | 武汉泰诺福伦机械有限公司 | Copper pipe flaring and necking device |
| CN210172389U (en) * | 2019-05-13 | 2020-03-24 | 佛山市恒合信管业有限公司 | Mouth expanding and contracting device for stainless steel pipe |
| CN210159350U (en) * | 2019-06-19 | 2020-03-20 | 潍坊天洁环保科技有限公司 | Jetting pipe quick-connecting device of bag-type dust collector pulse dust removing system |
| CN111515310A (en) * | 2020-05-19 | 2020-08-11 | 浙江蒂绅科技股份有限公司 | Expansion and closing-in integrated machine for water outlet pipe of evaporator frame |
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