CN110722003A - Composite forging and rolling metal pipe forming machine - Google Patents
Composite forging and rolling metal pipe forming machine Download PDFInfo
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- CN110722003A CN110722003A CN201810785432.6A CN201810785432A CN110722003A CN 110722003 A CN110722003 A CN 110722003A CN 201810785432 A CN201810785432 A CN 201810785432A CN 110722003 A CN110722003 A CN 110722003A
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- 238000005096 rolling process Methods 0.000 title claims abstract description 51
- 239000002131 composite material Substances 0.000 title claims abstract description 37
- 238000005242 forging Methods 0.000 title claims abstract description 30
- 239000002184 metal Substances 0.000 title claims abstract description 21
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 67
- 238000010438 heat treatment Methods 0.000 claims description 35
- 230000006698 induction Effects 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 claims description 15
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 230000033001 locomotion Effects 0.000 description 11
- 230000009467 reduction Effects 0.000 description 9
- 238000005520 cutting process Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
- B21B17/02—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel, i.e. the mandrel rod contacts the rolled tube over the rod length
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Abstract
The invention discloses a composite forging and rolling metal pipe forming machine. The method comprises the following steps: the feeding device, the composite forging and rolling forming device and the transmission device are connected in sequence; the composite forging and rolling forming device comprises: the forming device comprises a forming die, a bearing seat connecting rod, a stroke straight gear, a rack, a die track frame and a forming rack; the forming die consists of three fan-shaped blocks and is equidistantly arranged around the central axis of the tube blank in 120 degrees; taking each fan-shaped die block as a center, and symmetrically arranging a bearing seat connecting rod and a stroke straight gear on two sides of the fan-shaped die block respectively, wherein the bearing seat connecting rod, the stroke straight gear and the stroke straight gear are arranged on the same die shaft; the forming die is arranged in the die track frame, and the die track frame is fixedly connected with the forming rack. The invention has less moving parts, small inertia and stable rolling process; the multidirectional forming can not only reduce the stress of a single die, but also improve the dimensional accuracy and the surface quality of the pipe; meanwhile, the number of the racks is small, and the equipment investment is low.
Description
Technical Field
The invention relates to the field of metal pipe forming equipment, in particular to a composite forging and rolling metal pipe forming machine.
Background
At present, the industrial equipment for forming the pipe mainly comprises a periodic pipe mill, a three-roller skew rolling mill and a tension reducing mill.
The pipe is fed into a rolling groove consisting of a core rod and a hole pattern which moves in a reciprocating mode periodically according to a certain frequency, and the inner wall of the pipe is supported by the core rod and rolls the pipe blank by the aid of the gradually contracted hole pattern with the variable cross section, so that the functions of reducing the diameter and the wall are achieved. The pilger mill is mainly a two-roller pilger mill, but because the frame and the rollers reciprocate in the rolling process, a plurality of moving parts and large inertia cause poor stability in the rolling process, the structure of the mill is complex, and the maintenance and the adjustment are difficult; the pipe rolled by the two-high rolling mill has low dimensional precision and poor surface quality.
Three rollers of the three-roller skew rolling mill are uniformly distributed around a rolling central line at an angle of 120 degrees, and the axes of the rollers and the rolling central line are inclined and crossed to form a certain angle (namely a rolling angle and a feeding angle), so that the pipe blank spirally advances under the action of the rollers, the outer surface of the rolled pipe blank forms a spiral line, the surface quality is influenced, and the tail part is easy to generate a triangular defect to cause rolling jamming.
The three-roller tension reducing mill generally comprises a series of pass formed by more than 10 frames, and tension is provided by the speed difference of the rotating speeds of the rollers of the adjacent frames, so that the hollow reducing of the tube blank is completed.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a composite forging and rolling metal tube forming machine which has few moving parts, small inertia and stable rolling process; the multidirectional forming can not only reduce the stress of a single die, but also improve the dimensional accuracy and the surface quality of the pipe; meanwhile, the number of the racks is small, and the equipment investment is low.
The invention aims to provide a forming machine for a composite forged and rolled metal pipe.
The method comprises the following steps: the feeding device, the composite forging and rolling forming device and the transmission device are connected in sequence;
the composite forging and rolling forming device comprises: the forming device comprises a forming die, a bearing seat connecting rod, a stroke straight gear, a rack, a die track frame and a forming rack; the forming die consists of three fan-shaped blocks and is equidistantly arranged around the central axis of the tube blank in 120 degrees; taking each fan-shaped die block as a center, and symmetrically arranging a bearing seat connecting rod and a stroke straight gear on two sides of the fan-shaped die block respectively, wherein the bearing seat connecting rod, the stroke straight gear and the stroke straight gear are arranged on the same die shaft; the forming die is arranged in the die track frame, and the die track frame is fixedly connected with the forming rack;
the transmission device comprises: the transmission mechanism comprises a transmission rack, a main transmission shaft, an intermediate transmission shaft, a transmission bevel gear and an eccentric wheel; the tail end of the transmission mechanism is provided with three eccentric wheels which are respectively connected with a transmission bevel gear through eccentric wheel shafts; and is connected with the main transmission shaft or the middle transmission shaft through a transmission bevel gear; the main transmission shaft and the middle transmission shaft are positioned in the transmission rack through bearings;
the three eccentric wheels are respectively connected with a bearing seat connecting rod of the composite forging and rolling forming device through eccentric wheel connecting rods.
Preferably:
the composite forging and rolling metal pipe forming machine also comprises an induction heating device; the induction heating device is arranged between the feeding device and the composite forging and rolling forming device; the induction heating device is used for heating the blank during hot forming;
the induction heating apparatus includes: induction heating coil and induction heating equipment switch board.
The composite forging and rolling metal pipe forming machine also comprises a material receiving device;
the material receiving device is arranged behind the composite forging and rolling forming device;
the linear stroke range of the die block along the rolling direction is 0-325 mm, the swing angle range of the die block is 0-116.5 degrees, and the moving displacement and the rotation angle of the die are controlled by a stroke straight gear, so that strict corresponding relation exists at each moment.
The above material receiving device and the material feeding device can adopt the common material receiving and feeding device in the prior art, and the effect of material receiving and feeding can be achieved.
The invention can adopt the following technical scheme:
a composite forging and rolling metal tube forming machine. The device comprises four parts: (1) the receiving and feeding device comprises a receiving and feeding rack, mainly comprises a blank feeding mechanism, a blank clamping mechanism and a blank rotating mechanism, and can accurately control the clamping and loosening, feeding, retreating and rotating actions of the blank; (2) the induction heating device mainly comprises induction heating equipment and an induction heating coil and is mainly used for heating blanks during hot forming; (3) the composite forging and rolling forming device mainly comprises three fan-shaped die blocks to form a rolling pass, and is matched with a corresponding core die device to jointly complete the forming of a blank; (4) the transmission device mainly comprises a transmission shaft, a transmission gear and a corresponding crank connecting rod mechanism, and the transmission device is driven by a motor to realize synchronous and accurate control of the movement of the die.
The hydraulic chuck in the material conveying (receiving) device is a blank clamping mechanism, and provides clamping force required by the blank through hydraulic pressure to control the clamping and loosening of the blank; the hydraulic chuck is arranged at one end of a shaft extending out of the chuck seat, the other end of the shaft is connected with a pair of reduction gears through a flat key, the rotation of the reduction gears is controlled by a servo motor arranged above the chuck seat, and the rotation of the blank can be realized through programming of the servo motor; the components are arranged on a walking trolley, the walking trolley is driven by a motor, and the walking trolley moves forwards and backwards on the positioning guide rail through a walking guide wheel.
The induction heating device mainly comprises an induction heating coil and an induction heating equipment control cabinet.
The composite forging and rolling forming device comprises: the forming die comprises a forming die, a bearing seat connecting rod, a stroke straight gear, a rack, a die track frame, a fixed forming rack and the like. The forming die consists of three fan-shaped blocks and is equidistantly arranged at 120 degrees around the central axis (namely a rolling central line) of the tube blank, and the profile of each fan-shaped block comprises a reducing section, a reducing wall and a sizing section, so that the blank can be formed; and a bearing seat connecting rod and a stroke straight gear are respectively and symmetrically arranged on two sides of each fan-shaped die block by taking each fan-shaped die block as a center, and the bearing seat connecting rod, the stroke straight gear and the stroke straight gear are arranged on the same die shaft. When the device works, the bearing seat connecting rod is driven by the transmission mechanism to move in a reciprocating linear motion, and the motion is transmitted through the die shaft to enable the stroke straight gear to do reciprocating linear and rotary motion on the rack meshed with the stroke straight gear; because the fan-shaped die blocks and the stroke spur gears are relatively static in the moving process, each fan-shaped die block also makes reciprocating linear and rotary motion simultaneously. The above components are placed in a mold rail frame, which is firmly connected to a stationary forming frame by bolts, both of which remain stationary during the forming process. The linear stroke range of the die along the rolling direction is 0-325 mm, the swing angle range of the die is 0-116.5 degrees, and the moving displacement and the rotation angle of the die are controlled by a straight gear, so that strict corresponding relations exist at each moment.
The transmission device comprises: the transmission frame, main drive shaft, middle drive shaft, transmission bevel gear, eccentric wheel etc.. The power of the motor is input by a main transmission shaft, and multi-directional distribution of 'one driving three' is realized by an intermediate transmission shaft and a transmission bevel gear; the tail end of the transmission mechanism is provided with three eccentric wheels which are respectively connected with the bearing seat connecting rod through eccentric wheel connecting rods to form three groups of crank connecting rod mechanisms, so that the reciprocating linear motion of the bearing seat connecting rod is realized; the three eccentric wheels rotate at a constant speed and an equal rotation angle, so that the motion synchronism of the three fan-shaped die blocks is ensured.
The forming steps of the metal pipe blank of the invention are as follows:
(1) selecting a blank, and cutting to length;
(2) mounting a blank on a feeding rack, wherein the front end of the blank is supported by a feeding support roller, and the tail part of the blank is fastened by a hydraulic chuck to ensure that a core mold passes through an inner hole of the blank;
(3) the motor of the walking trolley is started to drive the walking trolley guide 3 to move on the positioning guide rail, so that the blank is pushed to feed forwards; heating the blank by an induction heating coil, and then feeding the blank into a forming rack (directly feeding the blank into the forming rack during cold forming);
(4) after the blank is formed for the first time, the servo motor drives a pair of reduction gears to enable the hydraulic chuck and the blank to rotate for 15-90 degrees, and meanwhile, the blank is continuously fed into the swing forming rack to be formed again;
(5) when the front end of the blank enters the receiving rack, the front end of the blank is supported by a supporting roll and is fastened by a hydraulic chuck of the receiving rack, meanwhile, the hydraulic chuck of the feeding rack loosens the tail end of the tube blank, and then the tube blank is further fed and formed under the driving of the receiving hydraulic chuck until the whole tube blank is deformed;
(6) cooling and cutting to length;
the forming die is composed of three fan-shaped swinging die blocks, the three fan-shaped swinging die blocks are arranged around the central axis of a pipe blank at equal intervals of 120 degrees, the die blocks synchronously swing through a crank connecting rod mechanism driven by a motor, the die blocks rotate around the connecting shafts of the die blocks, the connecting shafts do reciprocating linear motion, the range of linear stroke of the die along the rolling direction is 0-325 mm, the range of swinging angles of the die is 0-116.5 degrees, and the moving displacement and the rotating angle of the die at each moment strictly correspond to each other.
The material receiving device is used for forming blanks with the fixed length of 0.5-10m, and the material receiving device can be not used when the blanks with the shorter fixed length are formed; the induction heating device is used for heating the blank during hot forming and is not used during cold forming;
compared with the prior art, the invention has the beneficial effects that:
the rolling process is stable, and equipment vibration caused by the reciprocating motion of a frame of the pilger mill is avoided; the number of the racks is small, so that the adjustment and control are convenient; the continuous forming can not generate the defects of rolling jamming or tail part triangle; the total investment of the equipment is low, and the occupied area is small.
Drawings
FIG. 1 is a schematic view of a composite forged and rolled metal tube forming machine of the present invention;
FIG. 2 is a schematic illustration of the transmission of the present invention;
FIG. 3 is a schematic view of the present invention compound forging and roll forming apparatus;
FIG. 4 is a side sectional view of FIG. 3
FIG. 5 is a schematic view of an induction heating coil of the present invention;
fig. 6 is a schematic view of a core mold device of the present invention;
FIG. 7 is a schematic view of a feed device of the present invention;
fig. 8 is a schematic view of a receiving device of the invention;
description of reference numerals:
1, a material receiving rack; 2, driving the frame; 3 forming the frame; 4 an induction heating coil; 5, an induction heating equipment control cabinet; 6, blank material; 7, core molding; 8, a feeding rack; 9 eccentric wheel connecting rod; 10 forming a frame base; 11 a main transmission shaft; 12 mutually meshed transmission bevel gears A; 13 mutually meshed transmission bevel gears B; 14 mutually meshing transmission bevel gears C; 15 mutually meshed transmission bevel gears D; 16 an intermediate drive shaft; 17 an eccentric wheel shaft; 18 eccentric wheel; 19 connecting the shafts; 20 bearing seat connecting rods; 21 sector-shaped mold blocks; 22 a mold shaft; a 23-stroke spur gear; 24 racks; 25, a mold track frame; 26 feeding and supporting rolls; 27 hydraulic chucks; 28 servo motor; 29 a reduction pinion; 30 a reduction gear wheel; 31 a chuck base; 32 a walking trolley; 33 a walking trolley guide wheel; 34 positioning the guide rail; 35 core mold positioning seats; 36 a feeding platform; 37 support legs; 38 a traveling carriage motor; 39 to receive the material supporting roller.
Detailed Description
The present invention will be further described with reference to the following examples.
The invention is described in detail below with reference to the following figures and specific examples:
example 1:
as shown in figures 1-8, a forming machine for composite forged and rolled metal tubes.
The method comprises the following steps: the feeding device, the composite forging and rolling forming device, the transmission device, the induction heating device and the receiving device are sequentially connected;
the composite forging and rolling forming device comprises: the forming device comprises a forming die, a bearing seat connecting rod, a stroke straight gear, a rack, a die track frame and a forming rack; the forming die consists of three fan-shaped blocks and is equidistantly arranged around the central axis of the tube blank in 120 degrees; taking each fan-shaped die block as a center, and symmetrically arranging a bearing seat connecting rod and a stroke straight gear on two sides of the fan-shaped die block respectively, wherein the bearing seat connecting rod, the stroke straight gear and the stroke straight gear are arranged on the same die shaft; the forming die is arranged in the die track frame, and the die track frame is fixedly connected with the forming rack;
the transmission device comprises: the transmission mechanism comprises a transmission rack, a main transmission shaft, an intermediate transmission shaft, a transmission bevel gear and an eccentric wheel; the tail end of the transmission mechanism is provided with three eccentric wheels which are respectively connected with a transmission bevel gear through eccentric wheel shafts; and is connected with the main transmission shaft or the middle transmission shaft through a transmission bevel gear; the main transmission shaft and the middle transmission shaft are positioned in the transmission rack through bearings;
the three eccentric wheels are respectively connected with a bearing seat connecting rod of the composite forging and rolling forming device through eccentric wheel connecting rods.
The induction heating device is arranged between the feeding device and the composite forging and rolling forming device; the induction heating device is used for heating the blank during hot forming; the induction heating apparatus includes: induction heating coil and induction heating equipment switch board.
The material receiving device is arranged behind the composite forging and rolling forming device;
the linear stroke range of the die block along the rolling direction is 0-325 mm, the swing angle range of the die block is 0-116.5 degrees, the moving displacement and the rotation angle of the die are controlled by a straight gear, and therefore, a strict corresponding relation exists at each moment.
In particular, the amount of the solvent to be used,
a blank 6 is arranged on a feeding rack 8, the front end of the blank is supported by a feeding support roller 26, the tail part of the blank is clamped by a hydraulic chuck 27, and a core mold 7 is ensured to pass through an inner hole of the blank 6; when the blank is fed, the traveling trolley motor 38 is started and drives the traveling trolley guide wheel 33 to move on the positioning guide rail 34, so that the blank is driven to advance; when the billet enters the induction heating coil 4, it is rapidly heated to a target temperature, and then fed into the forming stand 3 (the billet is fed into the forming stand without being heated in cold forming). In a forming rack 3, three fan-shaped die blocks 21 are arranged around the central axis of a pipe blank at 120-degree equal intervals, the fan-shaped die blocks 21 and a pair of stroke straight gears 23 are connected and fixed on a die shaft 22 through flat keys, a bearing seat connecting rod 20 is matched with the die shaft 22 through a bearing, the stroke straight gears perform reciprocating rotation and linear motion on a rack 24, the fan-shaped die blocks, the stroke straight gears, the bearing seat connecting rod, the die shaft and the rack are all installed on a die track frame 25, and the die track frame is connected and fixed on the forming rack 3 through bolts. In the transmission frame 2, the motor drives the main transmission shaft 11 and drives the bevel gear B13, the bevel gear C14, the bevel gear D15, the eccentric wheel shaft 17 and the eccentric wheel 18 to rotate through the bevel gear A12 and the intermediate transmission shaft 16. The eccentric wheel 18 is connected with a bearing seat connecting rod 20 through a connecting shaft 19 and an eccentric wheel connecting rod 9, and is driven to form a straight gear and a die to perform synchronous reciprocating rotation and linear motion. After the blank is formed for one time, the servo motor 28 drives the reduction pinion 29, the reduction gear 30 and the hydraulic chuck 27 to rotate, so that the blank rotates by 15-90 degrees, and meanwhile, the blank is continuously fed for forming again. When the front end of the blank enters the receiving machine frame 1, the front end of the blank is supported by the receiving supporting roller 39, the front end of the blank is fastened by a hydraulic chuck of the receiving machine frame 1, meanwhile, the tail end of the blank is loosened by a hydraulic chuck of the feeding machine frame 8, then the blank is further formed under the driving of the receiving device until the whole blank is formed, and then the blank is cooled and cut to length.
Example 2
The preparation process comprises the following steps:
(1) selecting a Q235 high-frequency straight welded pipe as a blank, wherein the original outer diameter of the blank is 86mm, the wall thickness is 4.5mm, and the fixed length is 3 m;
(2) a blank is arranged on a feeding rack 8, the front end of the blank is supported by a feeding support roller 26, the tail part of the blank is fastened by a feeding hydraulic chuck 27, and a core mold 7 is ensured to pass through an inner hole of the blank;
(3) a traveling trolley motor 38 is started to drive a feeding hydraulic cylinder motor gear 39 to rotate on a feeding positioning guide rail 32, the traveling trolley motor 38 is started to drive a traveling trolley guide wheel 33 to move on a positioning guide rail 34, a blank is driven to advance 25mm at a feeding speed of 1.5m/min, and the blank is heated to 1000 ℃ through an induction heating coil 4 and then is fed into a forming rack 3;
(4) after the blank is formed for the first time, the servo motor 28 drives the reduction gears 29 and 30 and the feeding hydraulic chuck 27 to rotate to enable the blank to rotate by 60 degrees, and meanwhile, the blank is continuously fed into the induction coil 4 to be heated and then formed again;
(5) when the front end of the blank enters the receiving rack 1, the front end of the blank is supported by a supporting roller 39 and is clamped by a receiving hydraulic chuck of the receiving rack 1, meanwhile, the tail end of the tube blank is loosened by a feeding hydraulic chuck, and then the tube blank is further fed and formed under the driving of a receiving device until the whole tube blank is formed;
(6) cooling and cutting to length;
example 3
The method comprises the following steps of (1) selecting a red copper tube as a blank, wherein the original outer diameter of the blank is 60mm, the wall thickness is 4mm, and the fixed length is 6 m;
(2) a blank is arranged on a feeding rack 8, the front end of the blank is supported by a feeding support roller 26, the tail part of the blank is fastened by a feeding hydraulic chuck 27, and a core mold 7 is ensured to pass through an inner hole of the blank;
(3) the traveling trolley motor 38 is started to drive the feeding hydraulic cylinder motor gear 39 to rotate on the feeding positioning guide rail 32, the traveling trolley motor 38 is started to drive the traveling trolley guide wheel 33 to move on the positioning guide rail 34, and the blank is driven to advance 10mm at the feeding speed of 3m/min and is fed into the forming rack 3;
(4) after the primary forming of the blank is finished, the servo motor 28 drives the reduction gears 29 and 30 and the feeding hydraulic chuck 27 to rotate so as to enable the tube blank to rotate by 45 degrees, and meanwhile, the blank is continuously fed for secondary forming;
(5) when the front end of the blank enters the receiving rack 1, the front end of the blank is supported by a supporting roller 39 and is clamped by a receiving hydraulic chuck of the receiving rack 1, meanwhile, the tail end of the tube blank is loosened by a feeding hydraulic chuck, and then the tube blank is further fed and formed under the driving of a receiving device until the whole tube blank is formed;
(6) cooling and cutting to length;
the foregoing is a preferred embodiment of the present invention, and it should be noted that, for the ordinary skill in the art, numerous modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations should be considered within the scope of the present invention.
Claims (5)
1. The utility model provides a compound forge and roll metal tube forming machine which characterized in that:
the composite forging-rolling metal tube forming machine comprises: the feeding device, the composite forging and rolling forming device and the transmission device are connected in sequence;
the composite forging and rolling forming device comprises: the forming device comprises a forming die, a bearing seat connecting rod, a stroke straight gear, a rack, a die track frame and a forming rack; the forming die consists of three fan-shaped blocks and is equidistantly arranged around the central axis of the tube blank in 120 degrees; taking each fan-shaped die block as a center, and symmetrically arranging a bearing seat connecting rod and a stroke straight gear on two sides of the fan-shaped die block respectively, wherein the bearing seat connecting rod, the stroke straight gear and the stroke straight gear are arranged on the same die shaft; the forming die is arranged in the die track frame, and the die track frame is fixedly connected with the forming rack;
the transmission device comprises: the transmission mechanism comprises a transmission rack, a main transmission shaft, an intermediate transmission shaft, a transmission bevel gear and an eccentric wheel; the tail end of the transmission mechanism is provided with three eccentric wheels which are respectively connected with a transmission bevel gear through eccentric wheel shafts; and is connected with the main transmission shaft or the middle transmission shaft through a transmission bevel gear; the main transmission shaft and the middle transmission shaft are positioned in the transmission rack through bearings;
the three eccentric wheels are respectively connected with a bearing seat connecting rod of the composite forging and rolling forming device through eccentric wheel connecting rods.
2. The composite roll-forged metal tube forming machine according to claim 1, wherein:
the composite forging and rolling metal pipe forming machine comprises an induction heating device; the induction heating device is arranged between the feeding device and the composite forging and rolling forming device.
3. The composite roll-forged metal tube forming machine according to claim 2, wherein: .
The induction heating apparatus includes: induction heating coil and induction heating equipment switch board.
4. The composite roll-forged metal tube forming machine according to claim 1, wherein:
the composite forging and rolling metal pipe forming machine comprises a material receiving device;
the material receiving device is arranged behind the composite forging and rolling forming device.
5. The composite roll-forged metal tube forming machine according to claim 1, wherein:
the linear stroke range of the die block along the rolling direction is 0-325 mm, and the swing angle range of the die block is 0-116.5 degrees.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810785432.6A CN110722003A (en) | 2018-07-17 | 2018-07-17 | Composite forging and rolling metal pipe forming machine |
| PCT/CN2019/095280 WO2020015554A1 (en) | 2018-07-17 | 2019-07-09 | Composite forging and rolling metal tube forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810785432.6A CN110722003A (en) | 2018-07-17 | 2018-07-17 | Composite forging and rolling metal pipe forming machine |
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| Publication Number | Publication Date |
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| CN110722003A true CN110722003A (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810785432.6A Pending CN110722003A (en) | 2018-07-17 | 2018-07-17 | Composite forging and rolling metal pipe forming machine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110722003A (en) |
| WO (1) | WO2020015554A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112222199A (en) * | 2020-09-19 | 2021-01-15 | 太原科技大学 | High-precision heavy-load three-roller cold rolling mill |
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- 2018-07-17 CN CN201810785432.6A patent/CN110722003A/en active Pending
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- 2019-07-09 WO PCT/CN2019/095280 patent/WO2020015554A1/en active Application Filing
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| CN1104940A (en) * | 1993-10-20 | 1995-07-12 | 曼内斯曼股份公司 | Crankshaft gear in cold tube roller |
| CN103433293A (en) * | 2013-08-23 | 2013-12-11 | 宁波东重机械有限公司 | Double-line cold pilgering mill |
| CN204523775U (en) * | 2015-03-31 | 2015-08-05 | 中国重型机械研究院股份公司 | A kind of rolling-mill housing device of eccentric adjustment |
| CN208495380U (en) * | 2018-07-17 | 2019-02-15 | 韩静涛 | A kind of compound forging rolling metal tube forming machine |
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| CN112222199A (en) * | 2020-09-19 | 2021-01-15 | 太原科技大学 | High-precision heavy-load three-roller cold rolling mill |
| CN112222199B (en) * | 2020-09-19 | 2022-05-13 | 太原科技大学 | High-precision heavy-load three-roller cold rolling mill |
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