CN204912638U - Tungsten apparatus for producing of swaging - Google Patents

Tungsten apparatus for producing of swaging Download PDF

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Publication number
CN204912638U
CN204912638U CN201520572536.0U CN201520572536U CN204912638U CN 204912638 U CN204912638 U CN 204912638U CN 201520572536 U CN201520572536 U CN 201520572536U CN 204912638 U CN204912638 U CN 204912638U
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Prior art keywords
heating
intermediate frequency
feed appliance
enter
swaging
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CN201520572536.0U
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童治安
陈健雄
郭世贵
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Zigong Cemented Carbide Co Ltd
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Zigong Cemented Carbide Co Ltd
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Abstract

The utility model provides a tungsten apparatus for producing of swaging includes 0# feeder, a medium frequency induction fur nace, first swaging machine, first feeder in proper order, the 2nd medium frequency induction fur nace, second swaging machine, second feeder, winder. Through centre gripping and the horizontal support to pole material, very big restriction with reduced pole material beating when medium frequency induction fur nace coil internal heating because the position is invariable relatively, to the blastic deformation and the wearing and tearing of coil, the heating is even, also can not produce the potential safety hazard of short circuit, and synthesizes the lumber recovery improvement when avoiding the heating of pole material, gained finished product quality meets the demands.

Description

Tungsten-molybdenum swaging process units
Technical field
The utility model relates to a kind of tungsten-molybdenum swaging process units.
Background technology
Process units of swaging in tungsten processing technology a kind ofly forges high temperature tungsten bar material by fast rotational and make it be reached the process equipment of moderate finite deformation by small deformation, in order to obtain higher production efficiency, contemporary devices adopts multiple heating furnace and swager to be together in series the mode of Continuous maching mostly.Domestic generally employing gas furnace heating pole material (described in CN201120034356 patent) at present, mainly there is following shortcoming in the heating of this device:
1, there is the danger of combustion explosion in natural gas, the easy catching fire of air draft pipe;
2, combustion noise is large;
3, air-flow causes greatly lubrication oil consumption large;
4, tungsten and molybdenum material heat loss is large;
5, processing environment is severe.
Clearly, adopt heated by natural gas can not meet the demand of more and more higher environmental requirement and Optimization Technology cost declining, in the urgent need to developing a kind of new technology, the swaging techniques advantage of tungsten goods can be given full play to, can environmental requirement be met again.
Intermediate frequency furnace, owing to adopting electric energy heating, has that equipment is small and exquisite, the feature of heating cost economy, high-efficiency environment friendly, therefore in other operations of tungsten processing, also has the application adopting intermediate frequency furnace heating pole material.But swaging in operation, because tungsten (molybdenum) bar is being swaged in deformation process and can rotated along with mold high speed, the shake of bar material obviously, and can produce high temperature thermal shocking.And intermediate frequency furnace copper induction coil have not wear-resisting and impact, yielding, be short-circuited easily breakdown, and a series of shortcoming such as the object temperature of intermediate frequency heating position when constantly changing be uneven, therefore, existing intermediate frequency furnace cannot be applied to and swage in operation.
Utility model content
The purpose of this utility model is to provide a kind of tungsten-molybdenum swaging process units.To achieve these goals, the utility model is by the following technical solutions:
A kind of tungsten-molybdenum swaging process units, comprises 0# feed appliance, the first intermediate frequency furnace, the first swager, the first feed appliance successively; Second intermediate frequency furnace, the second swager, the second feed appliance, up-coiler.
Adopt the utility model device, by the gas heating furnace of prior art is replaced with intermediate frequency furnace, give full play to Medium Frequency Induction Heating Furnace environmental protection, efficiently, the feature that cost is low, and before bar material enters intermediate frequency furnace, bar material adds feed appliance after sending swager, endoporus and the bar material size of the feeding roller in feed appliance are suitable, bar material is through the feeding roller in the feed appliance of front and back, increase the clamping to bar material and horizontal support, great restriction and decrease beating when bar material heats in intermediate frequency furnace coil, due to position relative constancy, to the blastic deformation of coil and wearing and tearing when avoiding bar material to heat, homogeneous heating, also the potential safety hazard of short circuit can not be produced, constant product quality.
Further improvement is: between second feed appliance and up-coiler of above-mentioned process units of swaging, also comprise the 3rd intermediate frequency furnace, the 3rd swager, the 3rd feed appliance.
By increasing rolling pass, being convenient to according to process control needs, improving product processing quality.
Further improvement is: also comprise the 4th intermediate frequency furnace, the 4th swager, the 4th feed appliance between feed appliance and up-coiler at the 3rd of above-mentioned process units of swaging.
Further improvement is: also comprise the 5th intermediate frequency furnace, the 5th swager, the 5th feed appliance between feed appliance and up-coiler at the 4th of above-mentioned process units of swaging.
Further improvement is: also comprise the 6th intermediate frequency furnace, the 6th swager, the 6th feed appliance between feed appliance and up-coiler at the 5th of above-mentioned process units of swaging.
The process units of swaging of various consecutive in above-mentioned, string to be cleared the way time different, be suitable for according to the heating-up temperature in process control needs, delivery speed, swager join mould size, compression ratio, convenient selection.Inscribed circle or the preferred diameter of circumscribed circle of above-mentioned tungsten bar or molybdenum rod are 5-10mm, and the heating-up temperature of Medium Frequency Induction Heating Furnace is preferably 1100-1450 DEG C; Tungsten bar or molybdenum rod delivery speed is preferably 1.23-4.4m/min, compression ratio is preferably 10-28%; Finished size is 3.7-8.8mm.Adopt the utility model device, finished product finished product rate improves, and the end product quality obtained meets the demands.
Effect of the present utility model is:
(1) energy is electric energy, safety and environmental protection.
(2) equipment is small and exquisite, reduces cost of investment, reduces lubrication oil consumption and material loss, enhances productivity and metal casting yield, and noise is little simultaneously, and working environment can meet relevant industrial health and environmental requirement standard.
(3) product quality reaches advanced international level.
Detailed description of the invention
Below in conjunction with embodiment, the utility model device is further described:
Embodiment 1
A kind of molybdenum rod swages process units as shown in Figure 1, and concrete production stage is as follows:
A, inscribed circle diameter are that the square rolling molybdenum rod of 7.0 ± 0.1mm enters the 1st passage processing through table top 0# feed appliance, namely enter 1# intermediate frequency heating successively; Then enter 1# swager to forge; Draw through 1# feed appliance again; Intermediate frequency heating temperature, each passage joins mould size, and the bar material delivery speed after swaging is in table 1 (as follows);
B, again enter the 2nd passage processing, namely enter 2# intermediate frequency heating successively; Then enter 2# swager to forge; Draw through 2# feed appliance again;
C, again enter the 3rd passage processing, namely enter 3# intermediate frequency heating successively; Then enter 3# swager to forge; Draw through 3# feed appliance again;
D, again enter the 4th passage processing, namely enter 4# intermediate frequency heating successively; Then enter 4# swager to forge; Draw through 4# feed appliance again;
E, again enter the 5th passage processing, namely enter 5# intermediate frequency heating successively; Then enter 5# swager to forge; Draw through 5# feed appliance again;
F, again enter the 6th passage processing, namely enter successively 6# intermediate frequency furnace heating; Then enter 6# swager to forge; Draw through 6# feed appliance again;
G, again through oxidation be coated with breast, wound into a roll finally by up-coiler.
The Controlling Technology parameter of above steps is as follows:
Passage 1 2 3 4 5 6
Join mould size (mm) 8.2±0.15 7.2±0.15 6.3±0.15 5.65±0.15 5.2±0.15 4.8±0.15
Delivery speed (m/min) 1.37±0.14 1.78±0.18 2.32±0.23 2.89±0.29 3.4±0.34 4.0±0.4
Heating-up temperature (DEG C) 1200±50 1200±50 1200±50 1150±50 1150±50 1150±50
Table 1
In the present embodiment, molybdenum rod through six intermediate frequency furnaces and six swagers, is machined directly into φ 4.8 ± 0.15mm continuously; The metallographic structure of this six consecutives technique each passage molybdenum rod and the molybdenum rod metallographic structure similar (uniform bacillar structure) adopting heated by natural gas; φ 4.8mm tensile strength and employing heated by natural gas technique bar material intensity quite (650-750) MPa, φ 4.8mm molybdenum rod finished product rate improves about (0.2-0.4) %, its follow-up converted products φ 2.1mm molybdenum filament detection defects rate (the defect standard specimen degree of depth 5%) about (5-15) point/Kg.
Embodiment 2
The swage production method of process units of a kind of molybdenum rod is as follows:
A, inscribed circle diameter are that the square rolling molybdenum rod of 7.0 ± 0.1mm enters the 1st passage processing through table top 0# feed appliance, namely enter the first intermediate frequency furnace heating successively; Then enter the first swager to forge; Draw through the first feed appliance again; Intermediate frequency furnace heating-up temperature, each passage joins mould size, and the material delivery speed after swaging is in table 2 (as follows);
B, again enter the 2nd passage processing, namely enter successively second intermediate frequency furnace heating; Then enter the second swager to forge; Draw through the second feed appliance again;
C, again enter the 3rd passage processing, namely enter successively the 3rd intermediate frequency furnace heating; Then enter the 3rd swager to forge; Draw through the 3rd feed appliance again and enter hopper.
The Controlling Technology parameter of above steps is as follows:
Passage 1 2 3
Join mould size (mm) 8.2±0.15 7.2±0.15 6.3±0.15
Delivery speed (m/min) 1.37±0.14 1.78±0.18 2.32±0.23
Heating-up temperature (DEG C) 1200±50 1200±50 1200±50
Table 2
In the present embodiment, molybdenum rod through three intermediate frequency furnaces and three swagers, is machined directly into φ 6.3 ± 0.15mm continuously.The metallographic structure of this three consecutives technique each passage molybdenum rod and the molybdenum rod metallographic structure similar (uniform bacillar structure) adopting heated by natural gas; φ 6.3mm tensile strength and employing heated by natural gas technique bar material intensity quite (500-600) MPa, φ 6.3mm molybdenum rod finished product rate improves about (0.1-0.2) %, its follow-up converted products φ 2.1mm molybdenum filament detection defects rate (the defect standard specimen degree of depth 5%) about (5-15) point/Kg.
Embodiment 3
The swage production method of process units of a kind of molybdenum rod is as follows:
A, diameter are that the round molybdenum rod of 10.0 ± 0.15mm enters the 1st passage processing through table top 0# feed appliance, namely enter the first intermediate frequency furnace heating successively; Then enter the first swager to forge; Draw through the first feed appliance again; Intermediate frequency furnace heating-up temperature, each passage joins mould size, and the material delivery speed after swaging is in table 3 (as follows);
B, again enter the 2nd passage processing, namely enter successively second intermediate frequency furnace heating; Then enter the second swager to forge; Draw through the second feed appliance again and enter hopper;
The Controlling Technology parameter of above steps is as follows:
Passage 1 2
Join mould size (mm) 8.8±0.15 8.0±0.15
Delivery speed (m/min) 1.37±0.14 1.65±0.16
Heating-up temperature (DEG C) 1200±50 1200±50
Table 3
In the present embodiment, molybdenum rod through two intermediate frequency furnaces and two swagers, is machined directly into φ 8.0 ± 0.15mm continuously.The metallographic structure of this two consecutives technique each passage molybdenum rod and the molybdenum rod metallographic structure similar (uniform bacillar structure) adopting heated by natural gas; φ 8.0mm tensile strength and employing heated by natural gas technique bar material intensity quite (450-550) MPa, φ 8.0mm molybdenum rod finished product rate improves about (0.1-0.2) %, its follow-up converted products φ 2.1mm molybdenum filament detection defects rate (the defect standard specimen degree of depth 5%) about (5-15) point/Kg.
Embodiment 4
The swage production method of process units of a kind of tungsten bar is as follows:
A, diameter are that the square rolling molybdenum rod of 5.7 ± 0.1mm enters the 1st passage processing through table top 0# feed appliance, namely enter 1# intermediate frequency heating successively; Then enter 1# swager to forge; Draw through 1# feed appliance again; Intermediate frequency heating temperature, each passage joins mould size, and the bar material delivery speed after swaging is in table 4 (as follows);
B, again enter the 2nd passage processing, namely enter 2# intermediate frequency heating successively; Then enter 2# swager to forge; Draw through the second feed appliance again;
C, again enter the 3rd passage processing, namely enter 3# intermediate frequency heating successively; Then enter 3# swager to forge; Draw through 3# feed appliance again;
D, again enter the 4th passage processing, namely enter 4# intermediate frequency heating successively; Then enter 4# swager to forge; Draw through 4# feed appliance again;
E, again enter the 5th passage processing, namely enter 5# intermediate frequency heating successively; Then enter 5# swager to forge; Draw through 5# feed appliance again;
F, again through oxidation be coated with breast, finally by up-coiler rolling.
The Controlling Technology parameter of above steps is as follows:
Passage 1 2 3 4 5
Join mould size (mm) 5.2±0.1 4.8±0.1 4.4±0.1 4.0±0.1 3.7±0.1
Delivery speed (m/min) 2.2±0.22 2.6±0.26 3.1±0.31 3.8±0.38 3.7±0.37
Heating-up temperature (DEG C) 1350±50 1350±50 1350±50 1300±50 1300±50
Table 4
In the present embodiment, tungsten bar through five intermediate frequency furnaces and five swagers, is machined directly into φ 3.7 ± 0.1mm continuously.The metallographic structure of this consecutive technique each passage tungsten bar is similar to adopting the tungsten bar metallographic structure of heated by natural gas, and tensile strength is also suitable, and tungsten bar finished product rate improves more than 1%.
Embodiment 5
The swage production method of process units of a kind of tungsten bar is as follows:
A, diameter are that the round tungsten bar of 8.8 ± 0.15mm enters the 1st passage processing through table top 0# feed appliance, namely enter the first intermediate frequency furnace heating successively; Then enter the first swager to forge; Draw through the first feed appliance again; Intermediate frequency furnace heating-up temperature, each passage joins mould size, and the material delivery speed after swaging is in table 5 (as follows);
B, again enter the 2nd passage processing, namely enter successively second intermediate frequency furnace heating; Then enter the second swager to forge; Draw through the second feed appliance again;
C, again enter the 3rd passage processing, namely enter successively the 3rd intermediate frequency furnace heating; Then enter the 3rd swager to forge; Draw through the 3rd feed appliance again and enter hopper.
The Controlling Technology parameter of above steps is as follows:
Passage 1 2 3
Join mould size (mm) 8.0±0.1 7.2±0.1 6.4±0.1
Delivery speed (m/min) 2.2±0.1 2.7±0.1 3.5±0.1
Heating-up temperature (DEG C) 1400±50 1400±50 1400±50
Table 5
In the present embodiment, tungsten bar through three intermediate frequency furnaces and three swagers, is machined directly into φ 6.4 ± 0.15mm continuously.The metallographic structure of this consecutive technique each passage tungsten bar is similar to adopting the tungsten bar metallographic structure of heated by natural gas, and tensile strength is also suitable, and tungsten bar finished product rate improves more than 1%.
Adopt the utility model device and production method, by the gas heating furnace of prior art is replaced with intermediate frequency furnace, by feed appliance adjusting lever material running status, the company of control is the parameter such as each passage processing temperature, process velocity and compression ratio in forging process, and the product quality making Frequency Induction Heating connect forging process meets the demands.Medium Frequency Induction Heating Furnace environmental protection, the feature that efficient, cost is low are given full play to.
The embodiment of above-mentioned detailed description of the invention only in order to explain the utility model, and is not used in limitation the utility model.Technical solutions of the utility model are equally applicable to carry out processing process to pure molybdenum, molybdenum alloy, pure tungsten and tungsten alloy.Do not deviating from the situation of the present utility model set forth in claims, can make detailed description of the invention and change and change.All do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.

Claims (5)

1. a tungsten-molybdenum swaging process units, is characterized in that: comprise 0# feed appliance, the first intermediate frequency furnace, the first swager, the first feed appliance successively; Second intermediate frequency furnace, the second swager, the second feed appliance, up-coiler.
2. process units of swaging according to claim 1, is characterized in that: also comprise the 3rd intermediate frequency furnace, the 3rd swager, the 3rd feed appliance between described second feed appliance and up-coiler.
3. process units of swaging according to claim 2, is characterized in that: the described 3rd also comprises the 4th intermediate frequency furnace, the 4th swager, the 4th feed appliance between feed appliance and up-coiler.
4. process units of swaging according to claim 3, is characterized in that: the described 4th also comprises the 5th intermediate frequency furnace, the 5th swager, the 5th feed appliance between feed appliance and up-coiler.
5. process units of swaging according to claim 4, is characterized in that: the described 5th also comprises the 6th intermediate frequency furnace, the 6th swager, the 6th feed appliance between feed appliance and up-coiler.
CN201520572536.0U 2015-07-31 2015-07-31 Tungsten apparatus for producing of swaging Active CN204912638U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106391963A (en) * 2015-07-31 2017-02-15 自贡硬质合金有限责任公司 Tungsten-molybdenum rotary swaging production device and production method
CN112756529A (en) * 2020-12-24 2021-05-07 江苏东浦钨钼制品有限责任公司 Reciprocating type molybdenum rod processing system that links up pay-off

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106391963A (en) * 2015-07-31 2017-02-15 自贡硬质合金有限责任公司 Tungsten-molybdenum rotary swaging production device and production method
CN112756529A (en) * 2020-12-24 2021-05-07 江苏东浦钨钼制品有限责任公司 Reciprocating type molybdenum rod processing system that links up pay-off
CN112756529B (en) * 2020-12-24 2024-03-12 江苏东浦钨钼制品有限责任公司 Molybdenum rod processing system capable of reciprocating continuous feeding

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