CN205289486U - A mould that is used for segmentation of hot formed boron steel material to reinforce - Google Patents
A mould that is used for segmentation of hot formed boron steel material to reinforce Download PDFInfo
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- CN205289486U CN205289486U CN201520807068.0U CN201520807068U CN205289486U CN 205289486 U CN205289486 U CN 205289486U CN 201520807068 U CN201520807068 U CN 201520807068U CN 205289486 U CN205289486 U CN 205289486U
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Abstract
The utility model provides a mould that is used for segmentation of hot formed boron steel material to reinforce, including the soft district shaping of last mould shell, the last soft district's shaping of mould nuclear, the soft district's shaping of lower mould shell, the soft district's shaping of the lower mould nuclear of inserting of inserting of inserting of inserting, it inserts to examine and is located the soft district's shaping of the mould shell of inserting to go up the soft district shaping of mould, the soft district's shaping of mould is provided with the soft district heating device of mould in upward being inserted and is examined, the soft district's shaping of lower mould is inserted nuclear and is located the soft district's shaping of the lower mould shell of inserting, in inserting and examine, the soft district's shaping of lower mould is provided with the soft district heating device of lower mould, use the utility model discloses a hot forming die, the work piece of producing can be according to the needs of product design, and in the optional position, at tensile strength 500~1500MPa, the mechanical properties of work piece is realized wantonly to the within range of corresponding percentage elongation 15~5%, use the mutually independent the control unit control mold temperature to the work piece different zone, control more accurate, product quality and stability height, the utility model discloses the mould adopts the design of split type shell, mould easy maintenance, and the product change is convenient.
Description
Technical field
The utility model relates to heat treatment plastic forming technology field, relates in particular under a kind of boron steel steel plate, steel pipe high temperature and is shaped and segmentation reinforcing quenching technological and mould.
Background technology
Automobile boron steel is as the emerging superhigh intensity hot forming of one steel, for segmentation reinforcement technique provides possibility---same part, can, according to the needs of Automobile Design, adopt different Technologies for Heating Processing in the zones of different of this part, thereby obtain varying strength and plasticity. The production technology of hot forming boron steel material Ruan district technology is divided into 4 stages:
1) heating: boron steel steel plate and/or steel pipe are heated to the needed temperature of heat treatment;
2) transmission: boron steel steel plate and/or steel pipe are sent in mould to be punched;
3) be shaped: be at high temperature shaped by mould punching;
4) quench cooled: in the different cooling velocity of zones of different control, can occur:
A) hard area cooling (> 25 °s/sec fast). Transformation from from austenite microstructure to martensite microstructure, obtains intensity and extreme hardness, part that plasticity is lower. Its intensity can reach 1500～2000MPa, and plasticity is greater than 5%;
B) soft district cooling (< 25 °s/sec) at a slow speed. By controlling different cooling velocities, in the process transforming at austenite structure, can Slow cooling, to the transformation of ferrite and pearlite microstructure, obtain the part that intensity and hardness are higher, plasticity is good; Also can be comparatively fast cooling, to the transformation of bainite microstructure, obtain the part that intensity and hardness are very high, plasticity is moderate.
In existing production technology, mostly be the solution of the single intensity of HS1150 for the production technology of boron steel. Although this scheme can obtain the high material of intensity, in Automobile Design, in the design that particularly car crass is protected, the intensity and the percentage elongation that need the mechanical performance of workpiece to have in zones of different. For example, in the high region of workpiece desired strength, require to use the material similar to HS1150 performance, but in some region, need workpiece to there is better percentage elongation, better energy-absorbing effect, this region requires to use the similar material of HS400 performance.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, hot-forming die and the technique thereof of a kind of boron steel steel plate and/or steel pipe are provided, by Split type die " shell " design and manufacture, workpiece is carried out to subregion temperature control, and then control work-piece cools speed, realize segmentation reinforcement technique.
The utility model is by the following technical solutions: a kind of mould for hot forming boron steel material segmentation strengthening of the utility model, comprising:
Upper bolster, patrix hard area be shaped insert, patrix hard area cooling water channel, the soft district of patrix be shaped insert, the soft district of patrix attemperating unit, the soft district of described patrix attemperating unit comprises the soft district of patrix cooling water channel, the soft district of patrix heater, the soft district moulding of described patrix is inserted and is comprised that patrix soft district moulding shell, the patrix soft district moulding core of inserting of inserting, the soft district moulding of the described patrix core of inserting is arranged on patrix soft district moulding and inserts in shell;
Die shoe, counterdie hard area be shaped insert, counterdie hard area cooling water channel, the soft district of counterdie be shaped insert, the soft district of counterdie attemperating unit, the soft district of described counterdie attemperating unit, comprises counterdie soft district cooling water channel and the soft district of counterdie heater; The soft district of described counterdie is shaped to insert and comprises: the soft district of counterdie shell, the soft district of the counterdie core of inserting that is shaped of inserting that is shaped, and the be shaped core of inserting of the soft district of described counterdie is arranged on the soft district of counterdie and is shaped and inserts in shell;
The shaping of described patrix hard area is inserted, the soft district of patrix is shaped inserts, the soft district of patrix cooling water channel is arranged on upper bolster;
Described patrix hard area cooling water channel is built in the be shaped inside of inserting, patrix hard area;
The soft district of described patrix heater is arranged on patrix soft district shaping and inserts on shell;
The shaping of described counterdie hard area is inserted, the soft district of counterdie is shaped inserts, the soft district of counterdie cooling water channel is arranged on die shoe;
The soft district of described counterdie is shaped to insert and inserts and be meshed with the soft district moulding of described patrix;
Described counterdie hard area cooling water channel is built in the be shaped inside of inserting, counterdie hard area;
The soft district of described counterdie heater is arranged on counterdie soft district shaping and inserts on shell.
Preferably, the described patrix soft district moulding shell of inserting is hot die steel, and the insert thickness of shell of shell of described patrix soft district moulding is 3-40mm, and the described patrix soft district moulding shell inner surface of inserting arranges reinforcement.
Preferably, the soft district of described patrix attemperating unit is connected with industrial control system by thermoregulator, between described patrix soft district heater and thermoregulator, is also connected with equipment heating source.
Preferably, the described patrix soft district moulding core of inserting is installed on patrix soft district moulding and inserts on shell or on upper bolster, the described patrix soft district moulding core inside of inserting is provided with reinforcement, and the soft district moulding of described patrix is inserted on core and is also provided with the temperature test element being connected with industrial control system.
Preferably, the described counterdie soft district moulding shell of inserting is hot die steel, and the insert thickness of shell of shell of described counterdie soft district moulding is 3-40mm, and the described counterdie soft district moulding shell inner surface of inserting arranges reinforcement.
Preferably, the soft district of described counterdie attemperating unit connects by thermoregulator industrial control system, between described counterdie soft district heater and thermoregulator, is also connected with equipment heating source.
Preferably, the described counterdie soft district moulding core of inserting is installed on counterdie soft district moulding and inserts on shell or on die shoe, the described counterdie soft district moulding core inside of inserting is provided with reinforcement, and the soft district moulding of described counterdie is inserted on core and is also provided with the temperature test element being connected with industrial control system.
Preferably, described industrial control system is industrial PLC control system.
Above-described module can be used in the thermoforming process of boron steel steel plate, boron steel steel pipe.
Preferably, a kind of both sides that can also insert in the moulding of counterdie hard area at described die shoe for the mould of hot forming boron steel material segmentation strengthening described in the utility model are provided with end socket, described end socket is connected with axial hydraulic system, the pipeline axially communicating is set in described end socket, the pipeline of described end socket is connected with axial High-Pressure Gas System, and this technical scheme can be applicable in the hot forming processing of boron steel steel pipe.
The beneficial effects of the utility model: (1) is used hot-forming die of the present utility model, the workpiece of producing can be according to the needs of product design, at an arbitrary position, at tensile strength 500～1500MPa, in the scope of corresponding percentage elongation 15～5%, realize arbitrarily the mechanical performance of workpiece; (2) the utility model uses separate control module control mold temperature to workpiece zones of different, controls more accurately, and product quality and stability are high; (3) the utility model mould adopts split type shell design, is more tending towards modularization, and mold repair is convenient, and product change is convenient.
Brief description of the drawings
Fig. 1 is the total figure schematic diagram of boron steel hot forming segmentation strengthening production equipment;
Fig. 2 is mold heating device schematic diagram;
Fig. 3 is the utility model workpiece view to be processed,
Fig. 4 is the view in workpiece processing,
Fig. 5 is that workpiece processes, and upper bolster departs from the working state schematic representation of workpiece;
Fig. 6 is the view of the work of a kind of case study on implementation of the utility model time to be processed, the working state schematic representation of the heat forming technology of boron steel steel pipe more precisely,
The view that the workpiece of a kind of case study on implementation of Fig. 7 the utility model is being processed is the view that boron steel steel pipe is adding man-hour or rather;
The manufactured view of workpiece of a kind of case study on implementation of Fig. 8 the utility model is the view after boron steel steel pipe has processed or rather;
Fig. 9 be the another kind of case study on implementation of the utility model be workpiece working state schematic representation time to be processed, the schematic diagram of the definite heat forming technology that says boron steel steel plate;
Figure 10 be the another kind of case study on implementation of the utility model be working state schematic representation when the processing work just, definite saying is that boron steel steel plate is the view that is adding man-hour;
Figure 11 be the another kind of case study on implementation of the utility model be the manufactured working state schematic representation of workpiece, definite saying is the view after boron steel steel plate has processed;
In above-mentioned figure, 1, upper contour forming is inserted, 2, lower contour forming is inserted, 3, boron steel steel pipe workpieces, 4, end socket, 5, forcing press, 6, upper bolster, 7, die shoe, 8, axial hydraulic system, 9, axially High-Pressure Gas System, 10, mold heating device regulator cubicle, 11, electrical equipment interconnecting device, 12, patrix hard area cooling water channel, 13, patrix soft district moulding is inserted, 131, the patrix soft district moulding shell of inserting, 132, the patrix soft district moulding core of inserting, 14, the soft district of patrix attemperating unit, 141, the soft district of patrix heater, 15, counterdie soft district moulding is inserted, 151, the counterdie soft district moulding shell of inserting, 152, the counterdie soft district moulding core of inserting, 16, the soft district of counterdie attemperating unit, 161, the soft district of counterdie heater, 17, counterdie hard area cooling water channel.
Detailed description of the invention
Embodiment mono-proposes the hot-forming die to boron steel steel plate: from shown in Fig. 1 to Fig. 5, the utility model comprises: upper bolster, patrix hard area be shaped insert, patrix hard area cooling water channel, the soft district of patrix be shaped insert, the soft district of patrix attemperating unit, the soft district of described patrix attemperating unit comprises the soft district of patrix cooling water channel, the soft district of patrix heater, the soft district moulding of described patrix is inserted and is comprised that patrix soft district moulding shell, the patrix soft district moulding core of inserting of inserting, the soft district moulding of the described patrix core of inserting is arranged on patrix soft district moulding and inserts in shell;
Die shoe, counterdie hard area be shaped insert, counterdie hard area cooling water channel, the soft district of counterdie be shaped insert, the soft district of counterdie attemperating unit, the soft district of described counterdie attemperating unit, comprises counterdie soft district cooling water channel and the soft district of counterdie heater; The soft district of described counterdie is shaped to insert and comprises: the soft district of counterdie shell, the soft district of the counterdie core of inserting that is shaped of inserting that is shaped, and the be shaped core of inserting of the soft district of described counterdie is arranged on the soft district of counterdie and is shaped and inserts in shell;
The shaping of described patrix hard area is inserted, the soft district of patrix is shaped inserts, the soft district of patrix cooling water channel is arranged on upper bolster;
Described patrix hard area cooling water channel is built in the be shaped inside of inserting, patrix hard area;
The soft district of described patrix heater is arranged on patrix soft district shaping and inserts on shell;
The shaping of described counterdie hard area is inserted, the soft district of counterdie is shaped inserts, the soft district of counterdie cooling water channel is arranged on die shoe;
The soft district of described counterdie is shaped to insert and inserts and be meshed with the soft district moulding of described patrix;
Described counterdie hard area cooling water channel is built in the be shaped inside of inserting, counterdie hard area;
The soft district of described counterdie heater is arranged on counterdie soft district shaping and inserts on shell.
Preferably, the described patrix soft district moulding shell of inserting is hot die steel, and the insert thickness of shell of shell of described patrix soft district moulding is 3-40mm, and the described patrix soft district moulding shell inner surface of inserting arranges reinforcement.
Preferably, the soft district of described patrix attemperating unit is connected with industrial control system by thermoregulator, between described patrix soft district heater and thermoregulator, is also connected with equipment heating source.
Preferably, the described patrix soft district moulding core of inserting is installed on patrix soft district moulding and inserts on shell or on upper bolster, the described patrix soft district moulding core inside of inserting is provided with reinforcement, and the soft district moulding of described patrix is inserted on core and is also provided with the temperature test element being connected with industrial control system.
Preferably, the described counterdie soft district moulding shell of inserting is hot die steel, and the insert thickness of shell of shell of described counterdie soft district moulding is 3-40mm, and the described counterdie soft district moulding shell inner surface of inserting arranges reinforcement.
Preferably, the soft district of described counterdie attemperating unit connects by thermoregulator industrial control system, between described counterdie soft district heater and thermoregulator, is also connected with equipment heating source.
Preferably, the described counterdie soft district moulding core of inserting is installed on counterdie soft district moulding and inserts on shell or on die shoe, the described counterdie soft district moulding core inside of inserting is provided with reinforcement, and the soft district moulding of described counterdie is inserted on core and is also provided with the temperature test element being connected with industrial control system.
Preferably, described industrial control system is industrial PLC control system.
In conjunction with Fig. 9, Figure 10, Figure 11, the heat forming technology flow process of the utility model to boron steel steel plate proposed:
1, the electrical equipment interconnecting device two ends of mold heated equipment connect upper and lower Mo Ruan district's heater and mold heating device regulator cubicle 10, energising, the heating element heater by hot-forming die internal independence to upper and lower mould the moulding of soft district insert and carry out the preheating before hot forming;
2, boron plate is got the raw materials ready, and boron plate is heated to complete austenitizing at Work-piece heating arrangement, and the boron steel steel plate material of complete austenitizing is taken out from Work-piece heating arrangement, is placed in mould;
3, forcing press decline makes mould closure, shaping;
4, after hot forming completes, forcing press stays on reaching lower dead point position, is kept closed, and continues to mould output energy under mold heating device "on" position, and PLC is according to the temperature signal obtaining from mold temperature detecting element;
5, forcing press is up, takes out workpiece;
6, the all-round and hole of compact heat drip molding, obtains required size workpiece.
Embodiment bis-proposes the hot-forming die to boron steel steel pipe: from shown in Fig. 1 to Fig. 5, the utility model comprise upper bolster, patrix hard area be shaped insert, patrix hard area cooling water channel, the soft district of patrix be shaped insert, the soft district of patrix attemperating unit, the soft district of described patrix attemperating unit comprises the soft district of patrix cooling water channel, the soft district of patrix heater, the soft district moulding of described patrix is inserted and is comprised that patrix soft district moulding shell, the patrix soft district moulding core of inserting of inserting, the soft district moulding of the described patrix core of inserting is arranged on patrix soft district moulding and inserts in shell;
The utility model also comprise die shoe, counterdie hard area be shaped insert, counterdie hard area cooling water channel, the soft district of counterdie be shaped insert, the soft district of counterdie attemperating unit, end socket, the soft district of described counterdie attemperating unit, comprises counterdie soft district cooling water channel and the soft district of counterdie heater; The soft district of described counterdie is shaped to insert and comprises: the soft district of counterdie shell, the soft district of the counterdie core of inserting that is shaped of inserting that is shaped, and the be shaped core of inserting of the soft district of described counterdie is arranged on the soft district of counterdie and is shaped and inserts in shell;
Described end socket is installed on die shoe, described end socket is distributed in the both sides that the moulding of counterdie hard area is inserted, and described end socket and axial hydraulic system arrange the pipeline axially communicating in described end socket, the pipeline of described end socket is connected with axial High-Pressure Gas System, is applied in the heat forming technology of boron steel steel pipe.
The shaping of described patrix hard area is inserted, the soft district of patrix is shaped inserts, the soft district of patrix cooling water channel is arranged on upper bolster;
Described patrix hard area cooling water channel is built in the be shaped inside of inserting, patrix hard area;
The soft district of described patrix heater is arranged on patrix soft district shaping and inserts on shell;
The shaping of described counterdie hard area is inserted, the soft district of counterdie is shaped inserts, the soft district of counterdie cooling water channel is arranged on die shoe;
The soft district of described counterdie is shaped to insert and inserts and be meshed with the soft district moulding of described patrix;
Described counterdie hard area cooling water channel is built in the be shaped inside of inserting, counterdie hard area;
The soft district of described counterdie heater is arranged on counterdie soft district shaping and inserts on shell.
Preferably, the described patrix soft district moulding shell of inserting is hot die steel, and the insert thickness of shell of shell of described patrix soft district moulding is 3-40mm, and the described patrix soft district moulding shell inner surface of inserting arranges reinforcement.
Preferably, the soft district of described patrix attemperating unit is connected with industrial control system by thermoregulator, between described patrix soft district heater and thermoregulator, is also connected with equipment heating source.
Preferably, the described patrix soft district moulding core of inserting is installed on patrix soft district moulding and inserts on shell or on upper bolster, the described patrix soft district moulding core inside of inserting is provided with reinforcement, and the soft district moulding of described patrix is inserted on core and is also provided with the temperature test element being connected with industrial control system.
Preferably, the described counterdie soft district moulding shell of inserting is hot die steel, and the insert thickness of shell of shell of described counterdie soft district moulding is 3-40mm, and the described counterdie soft district moulding shell inner surface of inserting arranges reinforcement.
Preferably, the soft district of described counterdie attemperating unit connects by thermoregulator industrial control system, between described counterdie soft district heater and thermoregulator, is also connected with equipment heating source.
Preferably, the described counterdie soft district moulding core of inserting is installed on counterdie soft district moulding and inserts on shell or on die shoe, the described counterdie soft district moulding core inside of inserting is provided with reinforcement, and the soft district moulding of described counterdie is inserted on core and is also provided with the temperature test element being connected with industrial control system.
Preferably, described industrial control system is industrial PLC control system.
In conjunction with Fig. 6, Fig. 7, Fig. 8, the heat forming technology flow process of the utility model to boron steel steel pipe proposed,
Above-mentioned workpiece carries out concrete processing by following steps to be processed:
1, the electrical equipment interconnecting device two ends of mold heated equipment connect upper and lower Mo Ruan district's heater and mold heating device regulator cubicle, energising, heating element heater by the hot-forming die inside upper and lower Mo Ruan district that soft area is strengthened in segmentation to workpiece is shaped to insert and carries out the preheating before hot forming, and PLC independently adds thermal control units by 6 and controls respectively for the heating element heater that is evenly distributed on workpiece segmentation and strengthens soft area;
2, boron steel straight tube is got the raw materials ready, and boron steel straight tube is heated to from Work-piece heating arrangement, take out after complete austenitizing in Work-piece heating arrangement, is placed in mould;
3, forcing press drops to mould closure, and the axial cylinder motion in axial hydraulic system control mould both sides, promotes its front-end end enclosure and seal pipe fitting, forms airtight cavity, by mould end socket front end gas passage, in pipe fitting airtight cavity, is filled with gases at high pressure, shaping;
4, after hot forming completes, forcing press stays on and is reaching lower dead point position, be kept closed, under upper and lower Mo Ruan district heater "on" position, continue to mould output energy, PLC is according to the temperature signal obtaining from mold temperature detecting element, and independently add thermal control units by 6 and control respectively for the heating element heater that is evenly distributed on workpiece segmentation and strengthens soft area, workpiece pressurize has been quenched;
5, forcing press is up, takes out workpiece;
6, radium-shine hot pressing bulging part two ends, obtain required size workpiece.
Claims (9)
1. for a mould for hot forming boron steel material segmentation strengthening, comprising:
Upper bolster, patrix hard area be shaped insert, patrix hard area cooling water channel, the soft district of patrix be shaped insert, the soft district of patrix attemperating unit, the soft district of described patrix attemperating unit comprises the soft district of patrix cooling water channel, the soft district of patrix heater, the soft district moulding of described patrix is inserted and is comprised that patrix soft district moulding shell, the patrix soft district moulding core of inserting of inserting, the soft district moulding of the described patrix core of inserting is arranged on patrix soft district moulding and inserts in shell;
Die shoe, counterdie hard area be shaped insert, counterdie hard area cooling water channel, the soft district of counterdie be shaped insert, the soft district of counterdie attemperating unit, the soft district of described counterdie attemperating unit, comprises counterdie soft district cooling water channel and the soft district of counterdie heater; The soft district of described counterdie is shaped to insert and comprises: the soft district of counterdie shell, the soft district of the counterdie core of inserting that is shaped of inserting that is shaped, and the be shaped core of inserting of the soft district of described counterdie is arranged on the soft district of counterdie and is shaped and inserts in shell;
The shaping of described patrix hard area is inserted, the soft district of patrix is shaped inserts, the soft district of patrix cooling water channel is arranged on upper bolster;
Described patrix hard area cooling water channel is built in the be shaped inside of inserting, patrix hard area;
The soft district of described patrix heater is arranged on patrix soft district shaping and inserts on shell;
The shaping of described counterdie hard area is inserted, the soft district of counterdie is shaped inserts, the soft district of counterdie cooling water channel is arranged on die shoe;
The soft district of described counterdie is shaped to insert and inserts and be meshed with the soft district moulding of described patrix;
Described counterdie hard area cooling water channel is built in the be shaped inside of inserting, counterdie hard area;
The soft district of described counterdie heater is arranged on counterdie soft district shaping and inserts on shell.
2. a kind of mould for hot forming boron steel material segmentation strengthening according to claim 1, it is characterized in that: the described patrix soft district moulding shell of inserting is hot die steel, the insert thickness of shell of shell of described patrix soft district moulding is 3-40mm, and the described patrix soft district moulding shell inner surface of inserting arranges reinforcement.
3. a kind of mould for hot forming boron steel material segmentation strengthening according to claim 1, it is characterized in that: the soft district of described patrix attemperating unit is connected with industrial control system by thermoregulator, between described patrix soft district heater and thermoregulator, is also connected with equipment heating source.
4. a kind of mould for hot forming boron steel material segmentation strengthening according to claim 1, it is characterized in that: the described patrix soft district moulding core of inserting is installed on patrix soft district moulding and inserts on shell or on upper bolster, the described patrix soft district moulding core inside of inserting is provided with reinforcement, and the soft district moulding of described patrix is inserted on core and is also provided with the temperature test element being connected with industrial control system.
5. a kind of mould for hot forming boron steel material segmentation strengthening according to claim 1, it is characterized in that: the described counterdie soft district moulding shell of inserting is hot die steel, the insert thickness of shell of shell of described counterdie soft district moulding is 3-40mm, and the described counterdie soft district moulding shell inner surface of inserting arranges reinforcement.
6. a kind of mould for hot forming boron steel material segmentation strengthening according to claim 1, it is characterized in that: the soft district of described counterdie attemperating unit connects by thermoregulator industrial control system, between described counterdie soft district heater and thermoregulator, is also connected with equipment heating source.
7. a kind of mould for hot forming boron steel material segmentation strengthening according to claim 1, it is characterized in that: the described counterdie soft district moulding core of inserting is installed on counterdie soft district moulding and inserts on shell or on die shoe, the described counterdie soft district moulding core inside of inserting is provided with reinforcement, and the soft district moulding of described counterdie is inserted on core and is also provided with the temperature test element being connected with industrial control system.
8. according to a kind of mould for hot forming boron steel material segmentation strengthening described in claim 3 or 4 or 6 or 7, it is characterized in that: described industrial control system is industrial PLC control system.
9. a kind of mould for hot forming boron steel material segmentation strengthening according to claim 1, it is characterized in that: the both sides that described die shoe is inserted in the moulding of counterdie hard area are provided with end socket, described end socket is connected with axial hydraulic system, the pipeline axially communicating is set in described end socket, and the pipeline of described end socket is connected with axial High-Pressure Gas System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520807068.0U CN205289486U (en) | 2015-10-19 | 2015-10-19 | A mould that is used for segmentation of hot formed boron steel material to reinforce |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520807068.0U CN205289486U (en) | 2015-10-19 | 2015-10-19 | A mould that is used for segmentation of hot formed boron steel material to reinforce |
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| CN205289486U true CN205289486U (en) | 2016-06-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105195628A (en) * | 2015-10-19 | 2015-12-30 | 无锡朗贤汽车组件研发中心有限公司 | Thermoforming mold for segmented reinforcing of boron steel material |
| CN111136232A (en) * | 2020-02-24 | 2020-05-12 | 苏州思赛力热能发展有限公司 | Method for obtaining soft area and hard area of high-strength steel part |
-
2015
- 2015-10-19 CN CN201520807068.0U patent/CN205289486U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105195628A (en) * | 2015-10-19 | 2015-12-30 | 无锡朗贤汽车组件研发中心有限公司 | Thermoforming mold for segmented reinforcing of boron steel material |
| CN111136232A (en) * | 2020-02-24 | 2020-05-12 | 苏州思赛力热能发展有限公司 | Method for obtaining soft area and hard area of high-strength steel part |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 214000 Hongshan Road, Jiangsu, Wuxi Province, Hongshan street, machinery and Optoelectronics Industrial Park No. 111 Hongda Road Patentee after: Wuxi Lang Xian lightweight Polytron Technologies Inc Address before: 214000 Hongshan Road, Jiangsu, Wuxi Province, Hongshan street, machinery and Optoelectronics Industrial Park No. 111 Hongda Road Patentee before: Wuxi Co., Ltd of Lang Xian motor vehicle assembly research and development centre |