CN210231290U - Hot spinning hydraulic necking machine for seamless steel tube - Google Patents
Hot spinning hydraulic necking machine for seamless steel tube Download PDFInfo
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- CN210231290U CN210231290U CN201921028937.4U CN201921028937U CN210231290U CN 210231290 U CN210231290 U CN 210231290U CN 201921028937 U CN201921028937 U CN 201921028937U CN 210231290 U CN210231290 U CN 210231290U
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Abstract
The utility model relates to a seamless steel tube hot spinning hydraulic necking-in machine, which comprises a base, a rotating device and a swinging extrusion device; the rotating device comprises a rotating main shaft, a main shaft motor and a clamping device; the spindle motor is connected with the rotating spindle through a belt; the clamping device comprises a clamping oil cylinder, a push rod, an annular locking block, a plurality of jaw positioning sleeves and a plurality of jaws; the push rod is sleeved in the rotating main shaft; the clamping oil cylinder is fixed in the rotating main shaft, a hydraulic rod on the clamping oil cylinder is fixed with the head of the push rod, and an oil distribution ring is arranged at an oil inlet on the clamping oil cylinder; the annular locking block is fixedly sleeved at one end of the rotating main shaft through a bolt, the inner diameter of one end, close to the rotating main shaft, of the annular locking block is large, and the inner diameter of one end, far away from the rotating main shaft, of the annular locking block is small; the jack catch locating sleeve is fixed at one end of the tail of the push rod at equal intervals, and an inclined plane is arranged on the jack catch locating sleeve. The utility model provides a pair of seamless steel pipe hot spinning hydraulic pressure binding off machine can carry out the operation of binding off to the not unidimensional seamless steel pipe centre gripping.
Description
Technical Field
The utility model relates to a steel pipe necking-in machine technical field, especially a seamless steel pipe hot spinning hydraulic pressure necking-in machine.
Background
The hot-spinning hydraulic closing-in machine for steel pipe is to place seamless pipe material with certain diameter and length in main shaft barrel. The pressing oil cylinder is used for hydraulic pressing and then fast rotating, the head is heated to the thermoplastic temperature, then the swinging oil cylinder piston is operated to push the rack to move forward and drive the gear to rotate, and the necking die is extruded on the thermoplastic steel pipe to form a surface with a certain shape due to the rotation of the gear shaft. The steel tube hot-spinning hydraulic necking machine has high production efficiency, and is suitable for enterprises producing pressure containers in large scale, such as small and medium-sized fire extinguisher steel cylinders for fire fighting, various pressure containers, boiler headers and the like.
The utility model discloses a chinese utility model patent that bulletin number is CN205702163U discloses a sphere binding off machine at bottom of seamless steel bottle, turn over board, axle A, axle B, base, centre gripping sleeve, support piece, drive arrangement including the U type, the U type turns over the board both ends and passes through axle B with pedestal connection, the U type turn over the board with axle B is fixed, axle A with the U type turns over the board and is the perpendicular position appearance in space, axle A with centre gripping muffjoint, seamless steel bottle is fixed axle A with between the centre gripping sleeve, it fixes to support the piece on the concave surface that the U type turned over the board, axle A axle B passes through drive arrangement drives the operation, the U type turns over the board upset and makes support the piece and act on the terminal surface of seamless steel bottle. The device has the advantages that the structure is simple, the seamless steel cylinder is rotated and the U-shaped turnover plate is turned over to be matched, the end face of the seamless steel cylinder with high temperature heating close to a melting point is pushed to obtain a closed spherical bottle bottom, the size and the shape of the obtained product are consistent, and the product quality and the production efficiency are improved. However, when the size of the seamless steel tube to be closed changes, the clamping sleeve in the above device does not disclose a specific structure for fixing seamless steel tubes with different sizes, so the application range of the closing machine provided by the above patent is relatively limited.
In view of the above problems, it is desirable to provide a hot spinning hydraulic necking machine for seamless steel tubes.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a seamless steel pipe hot spinning hydraulic pressure binding off machine can carry out effective centre gripping to the seamless steel pipe of unidimensional and carry out the operation of binding off.
In order to achieve the purpose of the utility model, the seamless steel tube hot spinning hydraulic necking machine comprises a base, a rotating device and a swinging extrusion device;
the base is provided with a bracket for supporting the rotating device;
the rotating device comprises a rotating main shaft, a main shaft motor and a clamping device; the rotating main shaft is of a hollow structure and is horizontally and rotatably arranged on the bracket; the spindle motor is connected with the rotating spindle through a belt and drives the rotating spindle to rotate; the clamping device comprises a clamping oil cylinder, a push rod, an annular locking block, a plurality of jaw positioning sleeves and a plurality of jaws, wherein the number of the jaw positioning sleeves is equal to that of the jaws; the push rod is in a hollow cylindrical shape and is sleeved in the rotating main shaft; the clamping oil cylinder is fixed in the rotating main shaft, a hydraulic rod on the clamping oil cylinder is fixed with the head of the push rod, and an oil distribution ring is arranged at an oil inlet on the clamping oil cylinder; the annular locking block is fixedly sleeved at one end of the rotating main shaft through a bolt, the inner diameter of one end, close to the rotating main shaft, of the annular locking block is large, and the inner diameter of one end, far away from the rotating main shaft, of the annular locking block is small; the clamping jaw positioning sleeves are fixed at one end of the tail of the push rod at equal intervals, and inclined planes matched with the annular locking blocks are arranged on the clamping jaw positioning sleeves; the clamping jaw is matched with the clamping jaw positioning sleeve, and the clamping jaw is fixed on the clamping jaw positioning sleeve through a bolt;
the swing extrusion device comprises an extrusion oil cylinder, a rack, a turning plate die support, a turning plate die swing rod and a turning plate die; the extrusion oil cylinder is arranged at one end, close to the annular locking block, of the base, one end of the rack is fixed to the head of a hydraulic rod on the extrusion oil cylinder and moves linearly under the action of the extrusion oil cylinder; the turnover formwork support is fixed at one end, close to the annular locking block, of the base, the turnover formwork oscillating rod is fixed on the turnover formwork support through a bearing, and a gear matched with the rack is arranged in the middle of the turnover formwork oscillating rod; the plate turning die is fixed to the top of the plate turning die swinging rod, and a U-shaped concave surface is arranged on the upper surface of the plate turning die.
Preferably, a motor mounting seat is arranged on the base, and the spindle motor is fixed on the motor mounting seat through a bolt.
Preferably, the turnover angle of the turnover plate die is 0-90 degrees.
Preferably, a plurality of reinforcing ribs are arranged on the side surface of the base.
The working principle is as follows: firstly, cutting a seamless steel pipe to be closed into a required length through an external cutting machine, then inserting the seamless steel pipe into a push rod, ensuring that the head of the seamless steel pipe extends out of the push rod, pushing the push rod through a clamping oil cylinder, and correspondingly moving a clamping jaw positioning sleeve and a clamping jaw at the head of the push rod forwards; it should be noted that, an operator can control the gear rotation angle by controlling the movement distance of the rack through the extrusion oil cylinder, and finally the purpose of controlling the rotation angle of the plate turning die is achieved.
The utility model discloses a seamless steel pipe hot spinning hydraulic pressure binding off machine compares with prior art and has following advantage:
(1) the seamless steel pipe hot spinning hydraulic necking machine provided by the utility model can clamp seamless steel pipes with different sizes, thereby performing necking operation, and the application range is wide;
(2) the utility model provides a seamless steel pipe hot spinning hydraulic necking machine, operating personnel can control the distance of rack motion through the extrusion hydro-cylinder to control the angle of gear rotation, finally reach the purpose of control turning over the angle of plate mould rotation, easy operation is swift;
(3) the utility model provides a seamless steel pipe hot spinning hydraulic pressure binding off machine, easy operation is swift, has improved the work efficiency to the operation of binding off of seamless steel pipe.
Drawings
FIG. 1 is a front view of a seamless steel tube hot spinning hydraulic necking machine of the present invention;
FIG. 2 is an enlarged view of a portion of the clamping device of FIG. 1;
fig. 3 is a front view of the swing extrusion apparatus of the present invention;
fig. 4 is a side view of the seamless steel tube hot spinning hydraulic necking machine of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-4, a seamless steel tube hot spinning hydraulic necking machine comprises a base 1, a rotating device and a swinging extrusion device 3;
the base 1 is provided with a bracket 2 for supporting the rotating device; in order to enhance the strength of the base 1, a plurality of reinforcing ribs are arranged on the side surface of the base 1;
the rotating device comprises a rotating main shaft 6, a main shaft motor 15 and a clamping device; the rotating main shaft 6 is of a hollow structure, and the rotating main shaft 6 is horizontally and rotatably arranged on the bracket 2; the spindle motor 15 is connected with the rotating spindle 6 through a belt 17 and drives the rotating spindle 6 to rotate; the clamping device comprises a clamping oil cylinder 5, a push rod 7, an annular locking block 10, a plurality of jaw positioning sleeves 11 and a plurality of jaws 12, wherein the number of the jaw positioning sleeves 11 is equal to that of the jaws 12; the push rod 7 is in a hollow cylindrical shape, and the push rod 7 is sleeved in the rotating main shaft 6; the clamping oil cylinder 5 is fixed in the rotating main shaft 6, a hydraulic rod on the clamping oil cylinder 5 is fixed with the head of the push rod 7, the push rod 7 moves linearly in the rotating main shaft 6 under the action of the clamping oil cylinder 5, and the clamping oil cylinder 5 is fixed in the rotating main shaft 6 and can rotate along with the rotating main shaft 6, so that an oil distribution ring 4 is arranged at an oil inlet on the clamping oil cylinder 5 in order to avoid knotting of the clamping oil cylinder 5 and an external oil inlet pipeline during rotation, and the external oil inlet pipeline can be connected with the clamping oil cylinder 5 through the oil distribution ring 4, and the knotting phenomenon is effectively prevented; the annular locking block 10 is fixedly sleeved at one end of the rotating main shaft 6 through a bolt, the inner diameter of one end, close to the rotating main shaft, of the annular locking block 10 is large, and the inner diameter of one end, far away from the rotating main shaft 6, of the annular locking block 10 is small; the jack catch positioning sleeve 11 is fixed at one end of the tail part of the push rod 7 at equal intervals, and an inclined plane matched with the annular locking block 10 is arranged on the jack catch positioning sleeve 11; the clamping jaw 12 is matched with the clamping jaw positioning sleeve 11, and the clamping jaw 12 is fixed on the clamping jaw positioning sleeve 11 through a bolt;
the swing extrusion device 3 comprises an extrusion oil cylinder 8, a rack, a turning plate die support, a turning plate die swing rod 16 and a turning plate die 9; the extrusion oil cylinder 8 is arranged at one end, close to the annular locking block 10, of the base 1, one end of the rack is fixed to the head of a hydraulic rod on the extrusion oil cylinder 8 and moves linearly under the action of the extrusion oil cylinder 8; the turnover formwork support is fixed at one end, close to the annular locking block 10, of the base 1, the turnover formwork swing rod 16 is fixed on the turnover formwork support through a bearing 14, a gear matched with the rack is arranged in the middle of the turnover formwork swing rod 16, turnover is achieved under the matching of the gear and the rack, the turnover formwork 9 is fixed at the top of the turnover formwork swing rod 16, and a U-shaped concave surface 13 is arranged on the upper surface of the turnover formwork 9.
In order to enable the spindle motor 15 to be stably fixed on the base 1, a motor mounting seat 18 is arranged on the base 1, and the spindle motor 15 is fixed on the motor mounting seat 18 through bolts.
Because the length of the rack is limited, the effective operation of the plate turning die is required to be realized on the premise of the limited length of the rack, the length of the rack can be limited by the turning angle of the plate turning die 9, and in order to ensure that the plate turning die 9 can operate effectively, the turning angle of the plate turning die 9 is 0-90 degrees.
Description of the operation: firstly, a seamless steel pipe to be closed is cut into a required length through an external cutting machine, then the seamless steel pipe is inserted into a push rod 7, the head of the seamless steel pipe is enabled to extend out of the push rod 7, the push rod 7 is pushed through a clamping oil cylinder 5, a jaw positioning sleeve 11 and a jaw 12 at the head of the push rod 7 correspondingly move forwards, due to the matching of an annular locking block 10 and the jaw positioning sleeve 11, the jaw 12 effectively fixes the seamless steel pipe, then a spindle motor 15 is started, a rotating spindle 6 rotates, the head of the seamless steel pipe is locally heated through an external heating device, and then a swinging extrusion device 3 is started, so that a plate turning mold 9 turns over to close the seamless steel pipe; it should be noted that an operator can control the gear rotation angle by controlling the rack movement distance through the extrusion cylinder 8, and finally the purpose of controlling the panel turnover module 9 rotation angle is achieved.
In the description of the present specification, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of describing the technical solutions of the present patent and for simplification of the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present patent application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this patent application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this specification, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present specification can be understood by those of ordinary skill in the art as appropriate.
In this specification, unless explicitly stated or limited otherwise, a first feature may be "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (4)
1. A seamless steel tube hot spinning hydraulic necking machine is characterized by comprising a base, a rotating device and a swinging extrusion device;
the base is provided with a bracket for supporting the rotating device;
the rotating device comprises a rotating main shaft, a main shaft motor and a clamping device; the rotating main shaft is of a hollow structure and is horizontally and rotatably arranged on the bracket; the spindle motor is connected with the rotating spindle through a belt and drives the rotating spindle to rotate; the clamping device comprises a clamping oil cylinder, a push rod, an annular locking block, a plurality of jaw positioning sleeves and a plurality of jaws, wherein the number of the jaw positioning sleeves is equal to that of the jaws; the push rod is in a hollow cylindrical shape and is sleeved in the rotating main shaft; the clamping oil cylinder is fixed in the rotating main shaft, a hydraulic rod on the clamping oil cylinder is fixed with the head of the push rod, and an oil distribution ring is arranged at an oil inlet on the clamping oil cylinder; the annular locking block is fixedly sleeved at one end of the rotating main shaft through a bolt, the inner diameter of one end, close to the rotating main shaft, of the annular locking block is large, and the inner diameter of one end, far away from the rotating main shaft, of the annular locking block is small; the clamping jaw positioning sleeves are fixed at one end of the tail of the push rod at equal intervals, and inclined planes matched with the annular locking blocks are arranged on the clamping jaw positioning sleeves; the clamping jaw is matched with the clamping jaw positioning sleeve, and the clamping jaw is fixed on the clamping jaw positioning sleeve through a bolt;
the swing extrusion device comprises an extrusion oil cylinder, a rack, a turning plate die support, a turning plate die swing rod and a turning plate die; the extrusion oil cylinder is arranged at one end, close to the annular locking block, of the base, one end of the rack is fixed to the head of a hydraulic rod on the extrusion oil cylinder and moves linearly under the action of the extrusion oil cylinder; the turnover formwork support is fixed at one end, close to the annular locking block, of the base, the turnover formwork oscillating rod is fixed on the turnover formwork support through a bearing, and a gear matched with the rack is arranged in the middle of the turnover formwork oscillating rod; the plate turning die is fixed to the top of the plate turning die swinging rod, and a U-shaped concave surface is arranged on the upper surface of the plate turning die.
2. The seamless steel tube hot spinning hydraulic necking machine according to claim 1, wherein a motor mounting seat is arranged on the base, and the spindle motor is fixed on the motor mounting seat through a bolt.
3. The seamless steel tube hot spinning hydraulic necking machine according to claim 1, wherein the turnover angle of the plate turnover die is 0-90 degrees.
4. The seamless steel tube hot spinning hydraulic necking machine according to claim 1, wherein a plurality of reinforcing ribs are arranged on the side surface of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921028937.4U CN210231290U (en) | 2019-07-03 | 2019-07-03 | Hot spinning hydraulic necking machine for seamless steel tube |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921028937.4U CN210231290U (en) | 2019-07-03 | 2019-07-03 | Hot spinning hydraulic necking machine for seamless steel tube |
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| CN210231290U true CN210231290U (en) | 2020-04-03 |
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| CN201921028937.4U Active CN210231290U (en) | 2019-07-03 | 2019-07-03 | Hot spinning hydraulic necking machine for seamless steel tube |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112605301A (en) * | 2020-11-24 | 2021-04-06 | 中材科技（九江）有限公司 | Steel cylinder bottom thickening device and process thereof |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112605301A (en) * | 2020-11-24 | 2021-04-06 | 中材科技（九江）有限公司 | Steel cylinder bottom thickening device and process thereof |
| CN112605301B (en) * | 2020-11-24 | 2022-08-19 | 中材科技（九江）有限公司 | Steel cylinder bottom thickening device and process thereof |
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