CN108971453B - Bimetal metallurgy combined composite seamless pipe blank production device - Google Patents
Bimetal metallurgy combined composite seamless pipe blank production device Download PDFInfo
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- CN108971453B CN108971453B CN201811116181.9A CN201811116181A CN108971453B CN 108971453 B CN108971453 B CN 108971453B CN 201811116181 A CN201811116181 A CN 201811116181A CN 108971453 B CN108971453 B CN 108971453B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/16—Casting in, on, or around objects which form part of the product for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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- Y02P10/25—Process efficiency
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Abstract
The invention belongs to the technical field of composite pipe production equipment, and in particular relates to a bimetal metallurgy combined composite seamless pipe blank production device, which comprises the following components: the device comprises a rotating device, a preheating lifting table and an electroslag furnace lifting table; the outer layer hollow material is heated by the preheating lifting table, and the outer layer hollow material comprises a preheating device and a lifting device, wherein the preheating device is arranged on the lifting device, and the lifting device can drive the preheating device to longitudinally move; the outer layer hollow material is driven to rotate by the rotating device and is positioned below the preheating device; the core bar is driven to move through the electroslag furnace lifting table and stretches into the outer layer hollow material, the core bar comprises the lifting table and the clamping device, the clamping device is arranged on the lifting table, the clamping device can be driven to longitudinally move through the lifting table, and the clamping device is located above the preheating device. The device can heat the outer layer hollow material and enable the core bar to extend into the outer layer hollow material.
Description
Technical Field
The invention belongs to the technical field of composite pipe production equipment, and particularly relates to a bimetal metallurgy combined composite seamless pipe blank production device.
Background
The engineering steel pipe not only requires excellent comprehensive properties of materials such as mechanical, physical and chemical properties, but also requires long service life and low price of the materials. Although certain properties of the material may be improved or improved by metallurgical means such as addition of alloying elements and heat treatment, the addition of expensive and rare alloying elements does not always result in the desired properties required. With the further development of the metal material processing technology, a bimetal composite pipe is generated.
Common production methods include mechanical compounding and centrifugal casting. The composite pipe produced by the mechanical composite method has short service life and is easy to be corroded and damaged, the centrifugal casting method can ensure the strength of the pipeline, but the biggest disadvantage is that the surface of the pipe blank needs to be machined, so that the uneven wall thickness of two layers of metal is increased, and a transition layer is formed due to mutual scouring and mixing of liquid metal during casting. Complex process, low efficiency, low yield and high cost
The applicant provides a bimetal metallurgy combined composite seamless pipe blank production process, wherein an outer layer hollow material and a core bar material are formed into a round pipe blank meeting the standard through a casting method, and then the round pipe blank is subjected to subsequent processing. The production process needs to ensure the coaxiality of the outer layer hollow material and the core bar, and in the processing process, the core bar needs to extend into the outer layer hollow material, the outer layer hollow material needs to be heated, and meanwhile, the uniform heating of the outer layer hollow material is ensured. However, the prior art lacks corresponding production equipment, and thus there is a need for improvement.
Disclosure of Invention
Aiming at the technical problems, the invention provides a bimetal metallurgy combined composite seamless pipe blank production device which can heat an outer layer hollow material and enable a core bar to extend into the outer layer hollow material.
In order to solve the technical problems, the invention adopts the following technical scheme:
a bimetal metallurgical bonding composite seamless pipe blank production device, comprising: the device comprises a rotating device, a preheating lifting table and an electroslag furnace lifting table;
the outer layer hollow material is heated by the preheating lifting table, and the outer layer hollow material comprises a preheating device and a lifting device, wherein the preheating device is arranged on the lifting device, and the lifting device can drive the preheating device to longitudinally move;
the outer layer hollow material is driven to rotate by the rotating device and is positioned below the preheating device;
the core bar is driven to move through the electroslag furnace lifting table and stretches into the outer layer hollow material, the core bar comprises the lifting table and the clamping device, the clamping device is arranged on the lifting table, the clamping device can be driven to longitudinally move through the lifting table, and the clamping device is located above the preheating device.
The lifting device comprises a first upright post, a first lifting mechanism and a first lifting slide box, wherein the first lifting slide box is arranged on the first upright post, the first lifting mechanism is connected with the first lifting slide box, the first lifting slide box is driven to move along the first upright post by the first lifting mechanism, the preheating device is connected with the first lifting slide box by a swinging arm, and two ends of the swinging arm are respectively hinged with the preheating device and the first lifting slide box; the device comprises a first lifting slide box, a preheating device, a limiting pull rod, a second lifting slide box, a first lifting slide box and a second lifting slide box.
The limiting pull rod comprises a first inner rod and a first outer rod, the first inner rod is connected with the first outer rod in a sliding mode, and a limiting screw is arranged on the first outer rod.
The lifting platform comprises a second upright post and a second lifting slide box, the clamping device comprises a clamping feeding device and a central adjusting support frame, the second lifting slide box is arranged on the second upright post and can move along the second upright post, the clamping feeding device is arranged on the second lifting slide box, the central adjusting support frame is connected with the second upright post and is located below the clamping feeding device, the core bar can be clamped and driven to move through the clamping feeding device, and the function of supporting the core bar is achieved through the central adjusting support frame.
The center adjusting support frame comprises a fixed ring and a movable ring, the fixed ring is arranged on the second upright post, one end of the movable ring is hinged with one end of the fixed ring, the other end of the movable ring is detachably connected with the other end of the fixed ring, and elastic supports are arranged on the fixed ring and the movable ring.
The elastic support comprises a telescopic rod and a roller, and the roller is rotationally connected with the telescopic rod.
The clamping feeding device comprises a connecting frame, a rotatable supporting wheel set and a clamping wheel, wherein the connecting frame is connected with the second lifting slide box, the supporting wheel set is arranged on the connecting frame, the connecting frame is hinged with a clamping arm, the clamping wheel is arranged on the clamping arm and opposite to the supporting wheel set, and the clamping arm is hinged with a thrust mechanism which can push the clamping arm to rotate.
Compared with the prior art, the invention has the beneficial effects that:
the transverse walking board can transversely move relative to the base, the longitudinal walking board is arranged on the transverse walking board, the longitudinal walking board can longitudinally move relative to the transverse walking board, and the rotary table is arranged on the longitudinal walking board. When the rotary table is operated, the outer hollow material is placed on the bracket of the rotary table, and the rotation of the outer hollow material and the bracket is realized through the rotation of the rotary table, so that uniform heating is ensured; the transverse and longitudinal fine adjustment can be realized through the movement of the transverse walking board and the longitudinal walking board, and the coaxiality of the outer layer hollow material and the core bar is ensured.
The preheating device is arranged outside the outer layer hollow material, and the first lifting slide box and the preheating device can be driven to move along the first upright post through the first lifting mechanism, so that the axial movement of the preheating device relative to the outer layer hollow material is realized, the vertical heating is realized, and the normal operation of the later working procedure is ensured. The two ends of the limiting pull rod are respectively hinged with the first lifting slide box and the preheating device, the limiting pull rod is of a telescopic structure, and the relative position of the preheating device and the outer layer hollow material is adjusted by changing the length of the limiting pull rod.
The second lifting slide box is arranged on the second upright post, the second lifting slide box can drive the clamping feeding device to move along the second upright post, the core bar can be clamped and driven to move through the clamping feeding device, the core bar is supported through the central adjusting support frame in the moving process, the smooth movement of the core bar is ensured, and the collision with the outer hollow material is avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic illustration of the production process of the present invention;
FIG. 3 is a front view of the rotary device;
FIG. 4 is a side view of a rotary device;
FIG. 5 is a schematic structural view of a rotary device;
FIG. 6 is a state of use of the rotary device;
FIG. 7 is a front view of a preheat lift table;
FIG. 8 is a top view of a preheat lift table;
FIG. 9 is a perspective view of a preheat lift table;
FIG. 10 is a view showing a state of use of the preheating lifter;
FIG. 11 is a schematic view of the structure of the stop lever of the present invention;
FIG. 12 is a schematic diagram of the overall structure of an electroslag furnace elevating platform;
FIG. 13 is a schematic diagram II of the overall structure of the electroslag furnace elevating platform;
FIG. 14 is a schematic view of the structure of the center adjustment support frame;
FIG. 15 is a schematic view of a clamp feeding device;
FIG. 16 is a top view of the clamp feed device;
FIG. 17 is a schematic diagram of a clamp feeding device;
FIG. 18 is a schematic view of the structure of the flexible support;
wherein: 10 is a rotating device, 20 is a preheating lifting table, and 30 is an electroslag furnace lifting table;
1 is a base, 2 is a transverse walking platform, 3 is a longitudinal walking platform, 4 is a turntable, 5 is a bracket, 6 is a first driving mechanism, 61 is a first gear, 62 is a first rack, 63 is a first gear motor, 7 is a second driving mechanism, 71 is a second gear, 72 is a second rack, 73 is a second gear motor, 8 is a groove, 9 is a bearing, 10 is a transverse track, 11 is a longitudinal track, 12 is a transverse sheave, 13 is a longitudinal sheave, 14 is a gear motor, and 15 is a transmission gear;
201 is a first upright, 202 is a first lifting mechanism, 2021 is a first lead screw, 2022 is a first nut, 2023 is a first gear motor, 203 is a first lifting slide box, 204 is a preheating device, 205 is a swinging arm, 206 is a limit pull rod, 2061 is a first inner rod, 2062 is a first outer rod, 2063 is a limit screw;
301 is a second upright, 302 is a second lifting slide box, 303 is a clamping feeding device, 3031 is a connecting frame, 3032 is a supporting wheel set, 3033 is a clamping wheel, 3034 is a clamping arm, 3035 is a thrust mechanism, 304 is a center adjusting supporting frame, 3041 is a fixed ring, 3042 is a movable ring, 3043 is an elastic support, 30431 is a telescopic rod, 3032 is a roller, and 305 is a second ball screw lifting mechanism.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 and 2, a bimetal metallurgical bonding composite seamless pipe blank production device comprises: a rotating device 10, a preheating lifting table 20 and an electroslag furnace lifting table 30; the outer hollow material is heated by the preheating lifting table 20, and the outer hollow material comprises a preheating device 204 and a lifting device, wherein the preheating device 204 is arranged on the lifting device, and the lifting device can drive the preheating device 204 to longitudinally move; the outer hollow material is driven to rotate by the rotating device 10 and is positioned below the preheating device 204; the core bar is driven to move by the electroslag furnace lifting table 30 and stretches into the outer hollow material, the core bar comprises a lifting table and a clamping device, the clamping device is arranged on the lifting table, the clamping device can be driven to longitudinally move by the lifting table, and the clamping device is located above the preheating device 204.
Placing the outer hollow material on the rotating device 10, preheating the outer hollow material through the preheating device 204, placing slag in the outer hollow material, and heating and melting the slag (electrifying, arcing and melting); the core bar moves downwards and stretches into the outer layer hollow material to be heated and melted; and after the inner layer material is melted, cooling and subsequent processing are carried out.
As shown in fig. 3 to 6, the rotating device comprises a base 1, a transverse traveling platform 2 and a longitudinal traveling platform 3, wherein the transverse traveling platform 2 is arranged on the base 1, the transverse traveling platform 2 can transversely move relative to the base 1, the longitudinal traveling platform 3 is arranged on the transverse traveling platform 2, the longitudinal traveling platform 3 can longitudinally move relative to the transverse traveling platform 2, a rotatable rotary table 4 is arranged on the longitudinal traveling platform 3, and a bracket 5 is arranged on the rotary table 4.
When the heating device is used, the outer layer hollow material 17 is placed on the bracket 5, the annular heating device 16 is sleeved outside the outer layer hollow material 17, and the bracket 5 and the outer layer hollow material 17 are driven to rotate through the turntable 4, so that the outer layer hollow material 17 is uniformly heated; when the axis of the outer hollow material 17 deviates from the axis of the core bar 18, the movement of the turntable 4, the bracket 5 and the outer hollow material 17 can be achieved by the transverse movement of the transverse deck 2 and the longitudinal movement of the longitudinal deck 3, so that the coaxiality of the outer hollow material 17 and the core bar 18 can be adjusted.
The transverse traveling platform 2 can move transversely relative to the base 1, and the longitudinal traveling platform 3 can move longitudinally relative to the transverse traveling platform 2 by arranging a cylinder and the like. Such as: a transverse air cylinder can be arranged on the base 1, the cylinder body of the transverse air cylinder is connected with the base 1, the piston rod of the transverse air cylinder is connected with the transverse walking board 2, the transverse walking board 2 is connected with the base 1 in a sliding way (the base 1 is provided with a corresponding transverse track 10), and the transverse walking board 2 is driven to slide along the base 1 through the expansion and contraction of the piston rod; a longitudinal oil cylinder can be arranged on the transverse walking platform 2, the cylinder body of the longitudinal oil cylinder is connected with the transverse walking platform 2, the piston rod of the longitudinal oil cylinder is connected with the longitudinal walking platform 3, the longitudinal walking platform 3 is connected with the transverse walking platform 2 in a sliding way (the transverse walking platform 2 is provided with a corresponding longitudinal rail 11), and the longitudinal walking platform 3 is driven to move along the transverse walking platform 2 through the expansion and the contraction of the piston rod of the longitudinal oil cylinder.
Of course, it is also possible to use: the base 1 is provided with a first driving mechanism 6 connected with the transverse walking platform 2, and the transverse walking platform 2 is provided with a second driving mechanism 7 connected with the longitudinal walking platform 3; the first driving mechanism 6 and the second driving mechanism 7 are both gear-rack mechanisms. Specifically, the first driving mechanism 6 includes a first gear 61, a first rack gear 62 and a first gear motor 63, an output shaft of the first gear motor 63 is coupled to the first gear 61, a housing of the first gear motor 63 is fixed on the base 1, the first rack gear 62 is disposed on the transverse traveling platform 2, the first gear 61 is meshed with the first rack gear 62, and the transverse traveling platform 2 moves along the transverse track 10 through rotation of the first gear 61; the second driving mechanism 7 includes a second gear 71, a second rack gear 72, and a second gear motor 73, an output shaft of the second gear motor 73 is coupled to the second gear 71, a housing of the second gear motor 73 is fixed to the traversing stage 2, the second rack gear 72 is disposed on the traversing stage 3, the second gear 71 is meshed with the second rack gear 72, and movement of the traversing stage 3 along the longitudinal rail 11 is achieved by rotation of the second gear 71.
Further, for ease of coupling, the upper end of the bracket 5 is provided with a recess 8, and an outer hollow material 17 may be placed in this recess 8.
In order to reduce friction, the transverse walking board 2 is in rolling connection with the base 1, and the longitudinal walking board 3 is in rolling connection with the transverse walking board 2. Specific: a transverse sheave 12 connected with a transverse rail 10 is arranged on the transverse traveling platform 2, the transverse sheave 12 is rotationally connected with the transverse traveling platform 2, and the transverse sheave 12 is provided with four transverse sheaves; a longitudinal sheave 13 connected with the longitudinal rail 11 is arranged on the longitudinal walking board 3, the longitudinal sheave 13 is rotationally connected with the longitudinal walking board 3, and the longitudinal sheave 13 is provided with four.
The turntable 4 is coupled to the longitudinal deck 3 by means of bearings 9. The bearing 9 may be a planar bearing, the race of which is fixedly coupled to the longitudinal deck 3 and the race of which is coupled to the turntable 4. The turntable 4 is provided with external teeth, the external teeth are connected with transmission teeth 15, the transmission teeth 15 are connected with an output shaft of a gear motor 14, a shell of the gear motor 14 is connected with the longitudinal walking table 3, and the turntable 4 is rotated by meshing the rotary transmission teeth 15 with the external teeth of the turntable 4.
As shown in fig. 7 to 11, the preheating lifting table includes a first upright 201, a first lifting mechanism 202, a first lifting slide box 203, and a preheating device 204, the first lifting slide box 203 is provided on the first upright 201, and the first lifting slide box 203 is slidably coupled with the first upright 201. The first lifting mechanism 202 is coupled to the first lifting slide 203, and the first lifting slide 203 is driven to move along the first upright 201 by the first lifting mechanism 202. The preheating device 204 is connected with the first lifting slide box 203 through a swinging arm 205, and two ends of the swinging arm 205 are respectively hinged with the preheating device 204 and the first lifting slide box 203; and the device further comprises a limiting pull rod 206, wherein two ends of the limiting pull rod 206 are respectively hinged with the first lifting slide box 203 and the preheating device 204, and the limiting pull rod 206 is of a telescopic structure. By changing the length of the limit pull rod 206, the angle between the preheating device 204 and the swinging arm 205 is adjusted, and fine adjustment of the preheating device 204 is realized.
The preheating device 204 mainly plays a role of heating, and may be an electric heating ring or an intermediate frequency heater in the prior art, preferably an intermediate frequency heater.
In use, the length of the stop tie 206 is adjusted to correspond the heating ring or induction coil of the if heater to the center position of the outer hollow material. Then placing the outer hollow material, starting the preheating device 204, and heating the outer hollow material through the preheating device 204; the first lifting and lowering mechanism 202 drives the first lifting and lowering slide box 203 and the preheating device 204 to move along the first upright 201, so that the axial heating of the outer hollow material is realized.
The limit pull rod 206 may adopt a common telescopic rod structure, which comprises a first inner rod 2061 and a first outer rod 2062, wherein the first inner rod 2061 is slidably connected with the first outer rod 2062, and the first outer rod 2062 is sleeved outside the first inner rod 2061. Specifically, one end of the first inner rod 2061 is hinged to the first lifting slide 203, and one end of the first outer rod 2062 is hinged to the preheating device 204.
The first outer rod 2062 is coupled with a limit screw 2063 and provided with a corresponding threaded through hole through which the limit screw 2063 can be passed against the first inner rod 2061. During adjustment, the limit screw 2063 is unscrewed, the extension length of the first outer rod 2062 is adjusted, and after adjustment, the limit screw 2063 is screwed for fixation.
The first lifting mechanism 202 mainly serves to drive the first lifting slide 203 to move up and down along the first upright 201, so that a worm gear first lifting mechanism, a linear motor or other suitable mechanisms in the prior art can be adopted. It is preferable to use a ball first screw lifter, the specific structure of which is well known to those skilled in the art, so that it is briefly described herein, and is composed of a first screw 2021, a first nut 2022 and a first gear motor 2023, two ends of the first screw 2021 are rotatably connected with the first upright 201, the first nut 2022 is fixed on the first lifting slide 203 and is connected with the first screw 2021, the first screw 2021 is connected with an output shaft of the first gear motor 2023, a housing of the first gear motor 2023 is fixedly connected with the first upright 201, and the first gear motor 2023 can drive the first screw 2021 to rotate, so as to realize movement of the first lifting slide 203 along the first upright 201.
As shown in fig. 12 to 18, the electroslag furnace elevating platform comprises a second upright 301, a second elevating slide box 302, a clamping feeding device 303 and a center adjusting support frame 304, wherein the second elevating slide box 302 is arranged on the second upright 301 and can move along the second upright 301. Movement of the second lifting slide 302 along the second upright 301 may be accomplished by a variety of means, such as: the second lifting slide box 302 is slidably connected with the second upright post 301 through a second ball screw lifting mechanism 305, two ends of a screw are rotatably connected with the second upright post 301, one end of the screw is connected with an output shaft of a motor (a gear motor), and a shell of the motor is fixedly connected with the second upright post 301; the nut is fixed on the second lifting slide box 302 and is connected with the screw rod, and the nut and the second lifting slide box 302 can be driven to move through the rotation of the screw rod. Of course, the linear motor and other mechanisms can be adopted to realize the movement, and the specific structure can be adjusted and designed according to actual conditions.
The clamping feeding device 303 is arranged on the second lifting sliding box 302, the center adjusting supporting frame 304 is connected with the second upright post 301 and is positioned below the clamping feeding device 303, the core bar can be clamped and driven to move through the clamping feeding device 303, and the center adjusting supporting frame 304 plays a role in supporting the core bar.
When the clamping feeding device is used, one end of the core bar is clamped by the clamping feeding device 303, and the lower part of the core bar is supported by the center adjusting support frame; the second lifting slide box 302 drives the clamping feeding device 303 and the core bar to integrally move, so that the core bar stretches into the outer layer hollow material below, and the clamping feeding device 303 drives the core bar to move, so that the core bar stretches into the outer layer hollow material.
The central adjusting support frame 304 mainly plays a supporting role, and ensures that the core bar stably runs in the downward moving process. The device specifically comprises a fixed ring 3041 and a movable ring 3042, wherein the fixed ring 3041 is fixed on the second upright 301, one end of the movable ring 3042 is hinged with one end of the fixed ring 3041, the other end of the movable ring 3042 is detachably connected (bolted) with the other end of the fixed ring 3041, and a complete ring structure can be formed after the fixed ring 3041 and the movable ring 3042 are connected.
During connection, the other end of the moving ring 3042 is separated from the other end of the fixed ring 3041, the moving ring 3042 is opened, the core bar stock is placed in the moving ring 3042 and the fixed ring 3041, then the other end of the moving ring 3042 is connected with the other end of the fixed ring 3041, and a complete circular ring structure is formed after connection and is sleeved outside the core bar stock. The fixed ring 3041 and the moving ring 3042 are provided with an elastic support 3043, and the elastic support 3043 is in contact connection with the core bar. The specific number of the elastic supports 3043 can be adjusted according to practical situations, and four elastic supports are preferably arranged and evenly distributed along the circular structure.
The elastic support 3043 includes a telescopic rod 30431 and a roller 30434, the roller 30434 being rotatably coupled to the telescopic rod 30431. The telescopic link 30431 adopts among the prior art structure can, if: spring rod (which is composed of an inner rod, an outer rod and a spring), gas spring or the like, one end of the expansion rod 30431 is fixedly coupled with the fixed ring 3041 or the moving ring 3042, and the roller 30434 is rotatably coupled with the other end of the expansion rod 30431. After the connection, the roller 30434 is connected with the core bar in a contact way, and the core bar can compress the telescopic rod 30431 to generate a reaction force, so that the elastic clamping effect is realized.
The clamping and feeding device 303 comprises a connecting frame 3031, a rotatable supporting wheel set 3032 and a clamping wheel 3033, the connecting frame 3031 is connected with the second lifting slide box 302, the supporting wheel set 3032 is arranged on the connecting frame 3031, the connecting frame 3031 is hinged with a clamping arm 3034, the clamping wheel 3033 is arranged on the clamping arm 3034 and opposite to the supporting wheel set 3032, the clamping wheel 3033 is rotatably connected with the clamping arm 3034, the clamping arm 3034 is hinged with a thrust mechanism 3035, and the clamping arm 3034 can be pushed to rotate by the thrust mechanism 3035, so that the opening and closing are realized.
When the core bar is installed, the clamping arm 3034 is pushed to rotate by the pushing mechanism 3035, so that the core bar is opened, and the core bar is placed between the supporting wheel set 3032 and the clamping wheel 3033; closing is achieved by pushing the clamp arm 3034 in a reverse direction by the pushing mechanism 3035. After closing, the core bar can be clamped by the support wheel set 3032 and the clamping wheel 3033.
The supporting wheel set 3032 comprises two supporting wheels, wherein the two supporting wheels are rotatably connected with the connecting frame 3031, and the two supporting wheels are connected with a gear driving mechanism which can drive the supporting wheels to rotate. Specific: the two support wheels are respectively connected with driven gears, the two driven gears are meshed with a driving gear, the driving gear is connected with an output shaft of a power element, and a shell of the power element is fixedly connected with a connecting piece. The core bar can be driven to move by the rotation of the supporting wheel set 3032.
The thrust mechanism 3035 mainly plays a role in thrust, and can adopt an air cylinder or an oil cylinder, preferably a worm gear lifting mechanism. Specific: the housing of the worm gear lifting mechanism is fixedly coupled to the bracket 3031, and its worm is hinged to the clamping arm 3034.
The preferred embodiments of the present invention have been described in detail, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention, and the various changes are included in the scope of the present invention.
Claims (5)
1. A bimetal metallurgy combined composite seamless pipe blank production device, which is characterized by comprising: a rotating device (10), a preheating lifting table (20) and an electroslag furnace lifting table (30); the device comprises a preheating device (204) and a lifting device, wherein the preheating device (204) is arranged on the lifting device, and the lifting device can drive the preheating device (204) to longitudinally move;
the outer hollow material is driven to rotate by the rotating device (10), and the outer hollow material is positioned below the preheating device (204);
the core bar is driven to move through an electroslag furnace lifting table (30) and extend into the outer layer hollow material, the core bar comprises a lifting table and a clamping device, the clamping device is arranged on the lifting table, the clamping device can be driven to longitudinally move through the lifting table, and the clamping device is positioned above the preheating device (204);
the lifting device comprises a first upright (201), a first lifting mechanism (202) and a first lifting slide box (203), wherein the first lifting slide box (203) is arranged on the first upright (201), the first lifting mechanism (202) is connected with the first lifting slide box (203), the first lifting slide box (203) is driven to move along the first upright (201) through the first lifting mechanism (202), the preheating device (204) is connected with the first lifting slide box (203) through a swinging arm (205), and two ends of the swinging arm (205) are hinged with the preheating device (204) and the first lifting slide box (203) respectively; the device further comprises a limiting pull rod (206), wherein two ends of the limiting pull rod (206) are respectively hinged with the first lifting slide box (203) and the preheating device (204), and the limiting pull rod (206) is of a telescopic structure;
the lifting platform comprises a second upright post (301) and a second lifting slide box (302), the clamping device comprises a clamping feeding device (303) and a central adjusting support frame (304), the second lifting slide box (302) is arranged on the second upright post (301) and can move along the second upright post (301), the clamping feeding device (303) is arranged on the second lifting slide box (302), the central adjusting support frame (304) is connected with the second upright post (301) and is located below the clamping feeding device (303), the core bar can be clamped and driven to move through the clamping feeding device (303), and the central adjusting support frame (304) plays a role in supporting the core bar.
2. The bimetal metallurgical bonding composite seamless pipe blank production device according to claim 1, wherein: the limiting pull rod (206) comprises a first inner rod (2061) and a first outer rod (2062), the first inner rod (2061) is slidably connected with the first outer rod (2062), and a limiting screw (2063) is arranged on the first outer rod (2062).
3. The bimetal metallurgical bonding composite seamless pipe blank production device according to claim 1, wherein: the center adjusting support frame (304) comprises a fixed ring (3041) and a movable ring (3042), the fixed ring (3041) is arranged on the second upright post (301), one end of the movable ring (3042) is hinged with one end of the fixed ring (3041), the other end of the movable ring (3042) is detachably connected with the other end of the fixed ring (3041), and elastic supports (3043) are arranged on the fixed ring (3041) and the movable ring (3042).
4. A bimetal metallurgical bonding composite seamless pipe blank production device according to claim 3, wherein: the elastic support (3043) comprises a telescopic rod (30431) and a roller (30434), and the roller (30434) is rotationally coupled with the telescopic rod (30431).
5. The bimetal metallurgical bonding composite seamless pipe blank production device according to claim 1, wherein: the clamping feeding device (303) comprises a connecting frame (3031), a rotatable supporting wheel set (3032) and a clamping wheel (3033), wherein the connecting frame (3031) is connected with the second lifting sliding box (302), the supporting wheel set (3032) is arranged on the connecting frame (3031), the connecting frame (3031) is hinged with a clamping arm (3034), the clamping wheel (3033) is arranged on the clamping arm (3034) and opposite to the supporting wheel set (3032), the clamping arm (3034) is hinged with a thrust mechanism (3035), and the clamping arm (3034) can be pushed to rotate through the thrust mechanism (3035).
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| CN201811116181.9A CN108971453B (en) | 2018-09-25 | 2018-09-25 | Bimetal metallurgy combined composite seamless pipe blank production device |
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| CN201811116181.9A CN108971453B (en) | 2018-09-25 | 2018-09-25 | Bimetal metallurgy combined composite seamless pipe blank production device |
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| CN108971453A CN108971453A (en) | 2018-12-11 |
| CN108971453B true CN108971453B (en) | 2023-05-09 |
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| CN110102741B (en) * | 2019-04-12 | 2024-03-12 | 山西钢合力新材料科技有限公司 | Rotary device |
| CN111790897A (en) * | 2020-07-02 | 2020-10-20 | 山西钢合力新材料科技有限公司 | Bimetal composite pipe blank production device |
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| BE739972A (en) * | 1968-10-08 | 1970-03-16 | ||
| JPH05287400A (en) * | 1992-04-03 | 1993-11-02 | Daido Steel Co Ltd | Method for controlling molten slag surface level in electric slag remelting device |
| CN204455249U (en) * | 2015-01-07 | 2015-07-08 | 朱兴发 | A kind of pillar type column cantilever-rotating formula electroslag furnace |
| CN105861849A (en) * | 2016-06-13 | 2016-08-17 | 重庆钢铁(集团)有限责任公司 | Electroslag remelting furnace |
| CN106544524A (en) * | 2015-09-16 | 2017-03-29 | 荣昌县鑫达机械锻造有限公司 | Lift stable electroslag refining furnace |
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| CN208840480U (en) * | 2018-09-25 | 2019-05-10 | 山西凯通源管业有限公司 | A kind of bimetal metallurgy combination composite seamless pipe pipe process units |
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| BE739972A (en) * | 1968-10-08 | 1970-03-16 | ||
| JPH05287400A (en) * | 1992-04-03 | 1993-11-02 | Daido Steel Co Ltd | Method for controlling molten slag surface level in electric slag remelting device |
| CN204455249U (en) * | 2015-01-07 | 2015-07-08 | 朱兴发 | A kind of pillar type column cantilever-rotating formula electroslag furnace |
| CN106544524A (en) * | 2015-09-16 | 2017-03-29 | 荣昌县鑫达机械锻造有限公司 | Lift stable electroslag refining furnace |
| CN105861849A (en) * | 2016-06-13 | 2016-08-17 | 重庆钢铁(集团)有限责任公司 | Electroslag remelting furnace |
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