CN111098483A - Stable pipe changing and adjusting necking machine - Google Patents

Stable pipe changing and adjusting necking machine Download PDF

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Publication number
CN111098483A
CN111098483A CN201911300643.7A CN201911300643A CN111098483A CN 111098483 A CN111098483 A CN 111098483A CN 201911300643 A CN201911300643 A CN 201911300643A CN 111098483 A CN111098483 A CN 111098483A
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China
Prior art keywords
inner disc
adjusting
necking
disc
pipe
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CN201911300643.7A
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Chinese (zh)
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梁金超
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Individual
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C57/00Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Assembly (AREA)

Abstract

The invention provides a stable pipe exchange adjusting necking machine, which structurally comprises an adjusting plate, a belt, a necking applying wheel, a necking machine cavity sleeve, a stable pipe exchange adjusting device, a supporting motor frame and a side guard plate, wherein the adjusting plate is installed at the top end of the supporting motor frame in an embedding mode, the bottom end of the necking machine cavity sleeve is fixedly connected to the top end of the supporting motor frame in an electric welding mode, and the stable pipe exchange adjusting device is installed on the positive end surface of the necking machine cavity sleeve in an embedding mode. The situation that the necking produces inclined deformation is prevented.

Description

Stable pipe changing and adjusting necking machine
Technical Field
The invention belongs to the field of necking machines, and particularly relates to a stable pipe changing and adjusting necking machine.
Background
The throat mainly is used for carrying out the operation of reducing of connector department to the metal or the plastics tubular product of same bore, and then makes it can obtain suitable joining in marriage the interface, because metal tubular product only need usually through the even atress of the anchor ring that lasts stable, can make the local length density of mouth of pipe increase mouth of pipe diameter and reduce, and plastics tubular product then need carry out the local certain degree of being heated and soften the back, through the even atress of anchor ring, can make its mouth of pipe diameter reduce and it can extend a section distance because the oppression between the molecule.
Based on the above description, the inventor finds that the existing pipe exchange adjusting necking machine mainly has the following defects, such as:
when the diameter of the port of the plastic pipe is reduced through the necking machine, the area of the port needs to be heated for a period of time in the period, the time for placing the plastic pipe on the necking machine is longer than that of the metal pipe, the necking machine can be used for necking pipes with different diameters, the diameter of the opening part of the pipe is in the maximum state when the necking process is not started inside the pipe, so that the pipe can enter the pipe, the initial necking position of the pipe needs to be continuously adjusted in the necking process of the pipe with a smaller diameter, the deviation is easy to occur, and the necking deviation can cause the stress of the ring surface of the pipe to be uneven in the necking process, so that the necking is inclined and deformed.
Disclosure of Invention
In order to solve the technical problems, the invention provides a stable pipe exchange adjustment necking machine, which aims to solve the problems that when a plastic pipe is subjected to port diameter reduction through a necking machine, a port area needs to be heated for a period of time, the time required for placing the pipe on the necking machine is longer than that of a metal pipe, the pipe with different diameters can be subjected to necking by the necking machine, the diameter of the port of the pipe is in the maximum state when the necking process is not started inside the pipe, so that the pipe can enter the pipe, the initial necking position of the pipe with a smaller diameter needs to be continuously adjusted and is easy to deviate during the necking process, and the necking deviation causes stress on the ring surface of the pipe in the necking process, so that the necking is inclined and deformed.
Aiming at the defects of the prior art, the purpose and the effect of the pipe replacement and adjustment necking machine are achieved by the following specific technical means: the utility model provides a stabilize tubular product and change regulation throat machine, its structure includes regulation and control board, belt, throat pressure application wheel, throat machine chamber cover, stabilizes tubular product and changes adjusting device, support motor frame, side guard plate, the regulation and control board is installed on support motor frame top through the mode of inlaying, mode fixed connection in support motor frame top that throat machine chamber cover bottom adopted electric welding, stabilize tubular product and change adjusting device and install at the positive terminal surface of throat machine chamber cover through the mode of embedding, the belt internal surface laminates with throat pressure application wheel outer anchor ring mutually, install inside throat machine chamber cover through the mode of embedding in the middle of the throat pressure application wheel, the side guard plate is installed in support motor frame side through the mode of embedding.
The stable pipe exchanging and adjusting device comprises a locking plate, a hinge shaft, a ring sealing disc, an inner disc exchanging mechanism and an attaching mechanism, wherein the locking plate is movably connected with the ring sealing disc through the hinge shaft, the inner disc exchanging mechanism is installed inside the ring sealing disc in an embedded mode, and the attaching mechanism is fixedly installed on the right side of the ring sealing disc.
As preferred, inner disc exchange mechanism includes that one-level path inner disc, five grades of big footpath inner discs, level four big footpath inner discs, tertiary pitch diameter inner disc, second grade pitch diameter inner disc, the mode that one-level path inner disc passes through the embedding is installed inside the second grade pitch diameter inner disc, the tertiary pitch diameter inner disc is same axle center with the second grade pitch diameter inner disc, five grades of big footpath inner discs are inside to be inlayed and are had level four big footpath inner discs, the inner disc exchange mechanism is inside to be equipped with five layers of inner discs that can the split use, wherein all is equipped with the bore record point of tiny grain on the inner disc, and a record point diameter increases one centimetre, and wherein basic diameter is three centimetres of one-level path inner disc.
As preferred, the mechanism is joined in marriage including fixed nest block, activity round pin strip, fixed pin strip, horizontal cutting, catching groove to the laminating mechanism, horizontal cutting and catching groove structure as an organic whole, the activity round pin strip laminates with the fixed pin strip each other, the fixed pin strip welds with throat machine chamber cover mutually, the activity round pin strip is in the same place with fixed nest block fixed connection, horizontal cutting is in passive activity state, can carry out horizontal restraint to activity round pin strip and fixed pin strip through artificial plug, and then indirectly regulates and control the lock-out state of fixed nest block.
Preferably, the first-stage small-diameter inner disc comprises a regulating and connecting reverse mechanism, an outer edge disc, an inner sliding and fastening mechanism and an inner cylinder, the regulating and connecting reverse mechanism is arranged on the right side face of the outer edge disc, the left side of the inner cylinder is welded with the outer edge disc, the inner sliding and fastening mechanism is arranged on the inner side face of the inner cylinder, the inner sliding and fastening mechanism can be used for carrying out pressing and restraining on the outer diameter of a pipe in the pipe inserting process, further carrying out multi-point restraining on the pipe, and keeping the pipe stable in the inserting process.
Preferably, the adjusting and connecting reverse mechanism comprises an inner restricting hook handle, a reverse buckle sheet, an adjusting sheet, a reverse elastic block and a pressure connecting rod, the inner restricting hook handle and the pressure connecting rod are of an integrated structure, the reverse buckle sheet and a second-stage middle diameter inner disc are of an integrated structure, the side surface of the reverse elastic block is attached to the adjusting sheet, the reverse elastic block is made of an elastic metal sheet, can be elongated towards two sides to deform when pressed, can be restored to the original shape after losing pressing force, and can keep a continuous buckling state after the inner restricting hook handle is buckled by the reverse buckle sheet due to external supporting force.
As preferred, interior smooth tight mechanism includes the pulling force strip, revolves cover, gasbag, film, colludes the handle, is taken, the sliding sleeve even, the pulling force strip with revolve cover fixed connection together, collude the inside gasbag that is equipped with of handle, the film laminating is colluding the handle medial surface, collude the handle and install inside the sliding sleeve through the mode of embedding, collude the handle and take fixed connection together with even, the sliding sleeve can tubular product male in-process rather than direct contact, because it adopts glossy alloy steel material to make, can be when tubular product inserts in the hand area oppression power, can keep smooth and easy the insertion, ensure simultaneously that the surface of tubular product does not receive the damage.
Compared with the prior art, the invention has the following advantagesAdvantageous effects
The inner disc in the inner disc adjusting mechanism can be adjusted and controlled through the adjusting and connecting reversing mechanism, the inner disc adjusting mechanism can be adjusted and controlled according to the caliber of a pipe to be processed, the adjusted inner disc adjusting mechanism can provide supporting force support matched with the caliber of the pipe according to the caliber of the pipe, the pipe can be more smoothly inserted under the assistance of the inner sliding and tightening mechanism, the pipe and the inner sliding and tightening mechanism are combined, the pipe can be accurately and quickly subjected to drop point insertion and assembly, the whole process does not need to be adjusted, the accuracy is high, the stress borne by the ring surface of the pipe in the process of necking is kept at a stable uniform value, and the condition that the necking is inclined and deformed is prevented.
Drawings
FIG. 1 is a schematic structural view of a stable pipe exchange adjusting necking machine of the present invention.
Fig. 2 is a schematic front sectional view of the stabilized tube exchanging and adjusting device.
Fig. 3 is a schematic side view of the inner tray exchange mechanism.
Fig. 4 is a detailed structural diagram of the interior of the attaching mechanism.
FIG. 5 is a schematic view of a half-section internal structure of a first-stage small-diameter inner disc.
Fig. 6 is a schematic structural view of the connection adjusting reverse mechanism.
Fig. 7 is a schematic side view of the reverse regulating mechanism.
Fig. 8 is a schematic structural view of the reverse-braking spring block.
Fig. 9 is a detailed structural diagram of the inner part of the inner slide tightening mechanism.
In the figure: a regulating plate-1, a belt-2, a necking press wheel-3, a necking machine cavity sleeve-4, a stable pipe exchange regulating device-5, a supporting motor frame-6, a side guard plate-7, a locking plate-a 1, a hinge shaft-a 2, a ring seal disc-a 3, an inner disc exchange mechanism-a 4, a fitting mechanism-a 5, a first-stage small-diameter inner disc-a 41, a fifth-stage large-diameter inner disc-a 42, a fourth-stage large-diameter inner disc-a 43, a third-stage medium-diameter inner disc-a 44, a second-stage medium-diameter inner disc-a 45, a fixed sleeve block-a 51, a movable pin bar-a 52, a fixed pin bar-a 53, a transverse inserting bar-a 54, a buckle groove-a 55, a regulation reverse mechanism-a 461, an outer edge disc-a 462, an internal sliding reverse mechanism-a 463, an internal cylinder-a 464, a constraint handle-q 1, a reverse buckle-q 2, Adjusting piece-q 3, reverse control spring block-q 4, crimping rod-q 5, tension bar-aa 1, rotary sleeve-aa 2, air bag-aa 3, soft sheet-aa 4, hook handle-aa 5, connecting piece-aa 6 and sliding sleeve-aa 7.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in figures 1 to 5:
the invention provides a stable pipe exchange adjusting necking machine which structurally comprises an adjusting and controlling plate 1, a belt 2, a necking pressure applying wheel 3, a necking machine cavity sleeve 4, a stable pipe exchange adjusting device 5, a supporting motor frame 6 and a side protection plate 7, wherein the adjusting and controlling plate 1 is installed at the top end of the supporting motor frame 6 in an embedding mode, the bottom end of the necking machine cavity sleeve 4 is fixedly connected to the top end of the supporting motor frame 6 in an electric welding mode, the stable pipe exchange adjusting device 5 is installed on the positive end face of the necking machine cavity sleeve 4 in an embedding mode, the inner surface of the belt 2 is attached to the outer ring face of the necking pressure applying wheel 3, the middle of the necking pressure applying wheel 3 is installed inside the necking machine cavity sleeve 4 in the embedding mode, and the side protection plate 7 is installed on the side face of the supporting motor frame 6 in the embedding mode.
The stable pipe exchanging and adjusting device 5 comprises a locking plate a1, a hinge shaft a2, a ring seal disc a3, an inner disc exchanging mechanism a4 and an attaching mechanism a5, wherein the locking plate a1 is movably connected with the ring seal disc a3 through the hinge shaft a2, the inner disc exchanging mechanism a4 is installed inside the ring seal disc a3 in an embedding mode, and the attaching mechanism a5 is fixedly installed on the right side of the ring seal disc a 3.
The inner disc exchange mechanism a4 comprises a first-stage small-diameter inner disc a41, a fifth-stage large-diameter inner disc a42, a fourth-stage large-diameter inner disc a43, a third-stage medium-diameter inner disc a44 and a second-stage medium-diameter inner disc a45, wherein the first-stage small-diameter inner disc a41 is installed inside the second-stage medium-diameter inner disc a45 in an embedding mode, the third-stage medium-diameter inner disc a44 and the second-stage medium-diameter inner disc a45 are the same axis, the fourth-stage large-diameter inner disc a43 is embedded inside the fifth-stage large-diameter inner disc a42, five layers of inner discs which can be detached and used are arranged inside the inner disc exchange mechanism a4, wherein small-diameter recording points are arranged on the inner discs, the diameter of one recording point is increased by one centimeter, and the basic diameter is three centimeters of the first-stage small.
The fitting mechanism a5 comprises a fixed sleeve block a51, a movable pin strip a52, a fixed pin strip a53, a transverse inserting strip a54 and a buckle groove a55, the transverse inserting strip a54 and the buckle groove a55 are of an integrated structure, the movable pin strip a52 and the fixed pin strip a53 are fitted with each other, the fixed pin strip a53 is welded with the necking machine cavity sleeve 4, the movable pin strip a52 is fixedly connected with the fixed sleeve block a51, the transverse inserting strip a54 is in a passive movable state, the movable pin strip a52 and the fixed pin strip a53 can be transversely constrained through manual insertion and extraction, and the locking state of the fixed sleeve block a51 can be indirectly regulated.
The first-stage small-diameter inner disc a41 comprises an adjusting and reversing mechanism a461, an outer edge disc a462, an inner sliding and tightening mechanism a463 and an inner cylinder a464, wherein the adjusting and reversing mechanism a461 is arranged on the right side surface of the outer edge disc a462, the left side of the inner cylinder a464 is welded with the outer edge disc a462, the inner side surface of the inner cylinder a464 is provided with the inner sliding and tightening mechanism a463, and the inner sliding and tightening mechanism a463 can carry out pressure constraint on the outer diameter of a pipe in the pipe inserting process, further can carry out multi-point constraint on the pipe, and can keep the pipe stable in the inserting process.
The specific use mode and function of the embodiment are as follows:
in the invention, after the pasting and matching mechanism a5 can complete exchanging according to the caliber of the pipe, the inner disc exchanging mechanism a4 rotates and closes towards the reducing machine cavity sleeve by taking a hinge shaft a2 as an axis through the ring seal disc a3, because the fixed pin strip a53 is fixed on the reducing machine cavity sleeve 4, the fixed sleeve block a51 can be gradually embedded in the fixed sleeve block in the process of approaching and covering and is jointed with the movable pin strip a52, so that the ring seal disc a3 is in a fixed state of stable jointing by pulling and matching the buckle groove a55 to penetrate through a52 and the fixed pin strip a53, and the inner disc exchanging mechanism a4 is mainly used for disassembling and exchanging the inner disc in the inner disc exchanging mechanism a4 so as to match the caliber of the pipe in a state to be processed, five layers of inner discs which can be used in a split mode are arranged in the inner disc exchanging mechanism a4, wherein small caliber recording points are arranged on the inner discs, the diameter of one recording point is increased by one centimeter, wherein the diameter of the inner disc a41 with a first-grade and three centimeters, and in order to facilitate the disassembly and assembly of the thin tube, the support strength of the thin tube is weak, the caliber size is inversely proportional to the transverse length of the thin tube, the thin tube can be more conveniently disassembled and assembled while the material is saved, the processing state of the thin tube is stable, and the inner disc of the a4 is sleeved by nesting.
Example 2
As shown in fig. 6 to 9:
the invention provides a stable pipe exchange adjusting necking machine, wherein an adjusting and connecting reverse mechanism a461 comprises an inner restraining hook handle q1, a reverse buckle sheet q2, an adjusting and connecting sheet q3, a reverse spring block q4 and a crimping rod q5, the inner restraining hook handle q1 and the crimping rod q5 are of an integrated structure, the reverse buckle sheet q2 and a second-level middle-diameter inner disk a45 are of an integrated structure, the side surface of the reverse spring block q4 is attached to the adjusting and connecting sheet q3, the reverse spring block q4 is made of an elastic metal sheet, the elastic metal sheet can be stretched towards two sides to generate deformation when being pressed, the elastic metal sheet can recover to the original shape after losing pressing force, and the external supporting force can restrain the reverse buckle sheet q2 to buckle the inner restraining hook handle q1 and keep a continuous buckling state.
The specific use mode and function of the embodiment are as follows:
in the invention, after the inner disks are sleeved, the pressing rod q5 is in a pressing and restraining state continuously for the adjusting piece q3, the length of the upper side and the lower side of the inner reverse spring block q4 is extended towards the two sides after being pressed, meanwhile, the width is in inverse ratio and is compressed passively, the memory metal material property of the reverse spring block q4 can enable the reverse spring block q4 to still have a pressing and restoring force towards the outside after being compressed passively, the elastic restoring force of the reverse spring block q4 can actively support the adjusting piece q3 by pressing and rotating towards one side of the reverse buckle piece q2, so that the restraining hook handle q1 can be completely buckled with the reverse buckle piece q2 to complete locking when the pressing rod q5 is loosened actively, each inner disk replacing hook is consistent with the step, and the outer diameter surface of the handle aa5 is pressed for the inner disks, the rotating sleeve aa2 and the air bag aa3 in a pressing state can be pressed reversely to form a balance force, the pipe is firstly contacted with the sliding sleeve aa7 during insertion, the contact of two smooth surfaces can make the insertion process smooth, and the port drop point of the pipe tends to be stable through the guide of the inner disc.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (6)

1. The utility model provides a stabilize tubular product and change regulation throat machine, its structure includes regulation and control board (1), belt (2), throat pressure application wheel (3), throat machine chamber cover (4), stabilizes tubular product and change adjusting device (5), support motor frame (6), side guard plate (7), its characterized in that:
the pipe-stabilizing and pipe-replacing adjusting device is characterized in that the adjusting plate (1) is installed at the top end of a supporting motor frame (6) in an embedded mode, the bottom end of a necking machine cavity sleeve (4) is fixedly connected to the top end of the supporting motor frame (6) in an electric welding mode, the stable pipe-replacing adjusting device (5) is installed on the front end face of the necking machine cavity sleeve (4) in an embedded mode, the inner surface of the belt (2) is attached to the outer ring face of the necking press wheel (3), the middle of the necking press wheel (3) is installed inside the necking machine cavity sleeve (4) in an embedded mode, and the side guard plate (7) is installed on the side face of the supporting motor frame (6) in an embedded mode;
stabilize tubular product change adjusting device (5) including locking plate (a 1), hinge shaft (a 2), ring seal dish (a 3), inner disc change mechanism (a 4), laminating mechanism (a 5), locking plate (a 1) are in the same place through hinge shaft (a 2) and ring seal dish (a 3) swing joint, inner disc change mechanism (a 4) are installed inside ring seal dish (a 3) through the mode of embedding, laminating mechanism (a 5) fixed mounting is in ring seal dish (a 3) right side.
2. A machine for the exchange adjustment of stabile tubes, as claimed in claim 1, characterized in that: inner disc exchange mechanism (a 4) includes one-level path inner disc (a 41), five-level path inner disc (a 42), four-level path inner disc (a 43), tertiary pitch diameter inner disc (a 44), secondary pitch diameter inner disc (a 45), one-level path inner disc (a 41) is installed inside two-level pitch diameter inner disc (a 45) through the mode of embedding, tertiary pitch diameter inner disc (a 44) is same axle center with secondary pitch diameter inner disc (a 45), five-level path inner disc (a 42) inside is inlayed four-level path inner disc (a 43).
3. A machine for the exchange adjustment of stabile tubes, as claimed in claim 1, characterized in that: paste and join in marriage mechanism (a 5) including fixed nest of blocks (a 51), activity round pin strip (a 52), fixed round pin strip (a 53), horizontal cutting (a 54), catching groove (a 55), horizontal cutting (a 54) and catching groove (a 55) structure as an organic whole, activity round pin strip (a 52) and fixed round pin strip (a 53) are laminated each other, fixed round pin strip (a 53) and throat machine chamber cover (4) weld mutually, activity round pin strip (a 52) and fixed nest of blocks (a 51) fixed connection together.
4. A machine for changing and adjusting a pipe to a stable pipe as claimed in claim 2, wherein: the first-stage small-diameter inner disc (a 41) comprises an adjusting and connecting reverse mechanism (a 461), an outer edge disc (a 462), an inner sliding and tightening mechanism (a 463) and an inner cylinder (a 464), the adjusting and connecting reverse mechanism (a 461) is arranged on the right side face of the outer edge disc (a 462), the left side of the inner cylinder (a 464) is welded with the outer edge disc (a 462), and the inner sliding and tightening mechanism (a 463) is arranged on the inner side face of the inner cylinder (a 464).
5. A machine for changing and adjusting the necking of stable pipes according to claim 4, wherein: the adjusting and connecting reverse mechanism (a 461) comprises an inner restricting hook handle (q 1), a reverse buckle sheet (q 2), an adjusting joint sheet (q 3), a reverse spring block (q 4) and a crimping rod (q 5), wherein the inner restricting hook handle (q 1) and the crimping rod (q 5) are of an integrated structure, the reverse buckle sheet (q 2) and a secondary middle diameter inner disc (a 45) are of an integrated structure, and the side surface of the reverse spring block (q 4) is attached to the adjusting joint sheet (q 3).
6. A machine for changing and adjusting the necking of stable pipes according to claim 4, wherein: the inner sliding tightening mechanism (a 463) comprises a tension bar (aa 1), a rotary sleeve (aa 2), an air bag (aa 3), a soft sheet (aa 4), a hook handle (aa 5), a connecting belt (aa 6) and a sliding sleeve (aa 7), wherein the tension bar (aa 1) is fixedly connected with the rotary sleeve (aa 2), the air bag (aa 3) is arranged inside the hook handle (aa 5), the soft sheet (aa 4) is attached to the inner side surface of the hook handle (aa 5), the hook handle (aa 5) is installed inside the sliding sleeve (aa 7) in an embedded mode, and the hook handle (aa 5) is fixedly connected with the connecting belt (aa 6).
CN201911300643.7A 2019-12-17 2019-12-17 Stable pipe changing and adjusting necking machine Withdrawn CN111098483A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911300643.7A CN111098483A (en) 2019-12-17 2019-12-17 Stable pipe changing and adjusting necking machine

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Application Number Priority Date Filing Date Title
CN201911300643.7A CN111098483A (en) 2019-12-17 2019-12-17 Stable pipe changing and adjusting necking machine

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CN111098483A true CN111098483A (en) 2020-05-05

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1064708A (en) * 1964-10-27 1967-04-05 Rheinmetall Gmbh Hydraulic chuck for pipes, bars or the like, especially in upsetting machines
CN202348860U (en) * 2011-12-06 2012-07-25 达霆精密工业有限公司 Quick fastening device for torsional fastening
CN203417941U (en) * 2013-08-29 2014-02-05 新兴铸管股份有限公司 Multistage nested cold drawing mould
CN105522043A (en) * 2014-09-29 2016-04-27 重庆和佳机械部件制造有限公司 Sleeve type pipe shrinking die
CN106984691A (en) * 2017-05-25 2017-07-28 安徽江淮汽车集团股份有限公司 Pipe processes guiding mechanism
CN109108173A (en) * 2018-08-13 2019-01-01 宋丽 A kind of necking tightening device for automobile air-conditioning pipe connection
CN109676042A (en) * 2018-12-21 2019-04-26 冯光芬 A kind of ductule tip machine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1064708A (en) * 1964-10-27 1967-04-05 Rheinmetall Gmbh Hydraulic chuck for pipes, bars or the like, especially in upsetting machines
CN202348860U (en) * 2011-12-06 2012-07-25 达霆精密工业有限公司 Quick fastening device for torsional fastening
CN203417941U (en) * 2013-08-29 2014-02-05 新兴铸管股份有限公司 Multistage nested cold drawing mould
CN105522043A (en) * 2014-09-29 2016-04-27 重庆和佳机械部件制造有限公司 Sleeve type pipe shrinking die
CN106984691A (en) * 2017-05-25 2017-07-28 安徽江淮汽车集团股份有限公司 Pipe processes guiding mechanism
CN109108173A (en) * 2018-08-13 2019-01-01 宋丽 A kind of necking tightening device for automobile air-conditioning pipe connection
CN109676042A (en) * 2018-12-21 2019-04-26 冯光芬 A kind of ductule tip machine

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