CN204353311U - A kind of high-strength part multistation thermal forming device - Google Patents
A kind of high-strength part multistation thermal forming device Download PDFInfo
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- CN204353311U CN204353311U CN201420704621.3U CN201420704621U CN204353311U CN 204353311 U CN204353311 U CN 204353311U CN 201420704621 U CN201420704621 U CN 201420704621U CN 204353311 U CN204353311 U CN 204353311U
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Abstract
The utility model relates to the drop stamping technical field of high-strength part, refer in particular to a kind of high-strength part multistation thermal forming device and thermo shaping method, device comprises top mold frame, lower mold holder, female die for forming and forming terrace die, described top mold frame is equiped with movable heater block, and described lower mold holder is equiped with fixing heater block.First the blank machined is delivered on fixing heater block, local heat is carried out to blank, obtain hot blank; Forming terrace die and female die for forming are mutually drawn close and are carried out matched moulds formed machining and obtain hot forming product.Forcing press synchronously completes local Quick conductive heating and the shaping quenching process of blank, shorten the heat time of blank, improve the efficiency of heating, eliminate conveying equipment and the course of conveying of heating furnace in conventional thermoforming process and hot blank simultaneously, avoid the hot loss of blank heat and the oxidation on surface in course of conveying, ensure the surface quality of hot blank and the quality of final hot forming product.
Description
Technical field
The utility model relates to the drop stamping technical field of high-strength part, refers in particular to a kind of high-strength part multistation thermal forming device.
Background technology
Hot forming techniques be one in conjunction with punching press and heat treatment, for the new technology of form high strength steel stamping part, this technology is quenched at sheet material heating and thermal insulation complete austenitizing postforming, obtain uniform martensitic structure, make low intensive blank become the part of superhigh intensity, be widely used in the production of automotive security part and body construction part.
Tradition heat forming processes: first obtain preform by stamping die or laser cutting; then in roller hearth type heating furnace or multiple-layer box type heating furnace, complete the complete austenitizing process of high-strength steel preform; then by industrial robot and mechanical hand, hot blank is transported on mould; on mould, complete shaping quenching and the pressure maintaining period of hot blank subsequently, on laser equipment, finally complete punching and the trimming process of hot forming product.Whole process comprises blanking, heating, conveying, shaping quenching and punching and trimming operation, and the operation that whole process relates to is many, requires high to the collaborative work degree of equipment, and the production cycle is long, have impact on production efficiency, the mechanized equipment of needs is many and complicated, investment is large, takes up room large.The heat time that roller hearth type heating furnace or multiple-layer box type heating furnace complete the complete austenitizing of high-strength steel blank is long, at hot blank in course of conveying, easily oxidized, temperature declines large, thermal loss is large, and the equipment that course of conveying needs is many, and investment is large, require high to the collaborative work degree of equipment, and the surface quality of hot blank affect the quality of hot formed quenching process and final part; The rear hot forming product obtaining even martensitic structure of the quenching that is shaped, its intensity is high, and hardness is large, and traditional cold punching die cannot complete punching and trimming process, thus needs laser equipment to complete punching and the trimming process of hot forming product.Thus propose new method solved current heat forming technology Problems existing and deficiency particularly important.
Summary of the invention
The technical problems to be solved in the utility model be to provide a kind of on forcing press, synchronously complete blank local Quick conductive heating and the high-strength part multistation thermal forming device of shaping quenching process and thermo shaping method, the method shortens the heat time of blank, improve the efficiency of heating, eliminate conveying equipment and the course of conveying of heating furnace in conventional thermoforming process and hot blank, avoid the hot loss of blank heat and the oxidation on surface in course of conveying, ensure the surface quality of hot blank and the quality of final hot forming product.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: a kind of high-strength part multistation thermal forming device, comprise top mold frame, lower mold holder, be arranged at the female die for forming of top mold frame and be arranged at the forming terrace die of lower mold holder, it is characterized in that: described top mold frame is equiped with movable heater block and the lifting drive for driving movable heater block to rise and decline, described lower mold holder is equiped with fixing heater block, and the fixing heater block on described lower mold holder is arranged with the movable heater block in top mold frame is mutually corresponding.
Preferably, the lifting drive of described rising and decline be equiped with insulate for movable heater block add thermal insulation part, described lower mold holder is equiped with the fixing heater block cushion block for supporting fixing heater block, be equiped with the fixing heater block insulating element insulated for fixing heater block between described fixing heater block cushion block and fixing heater block, described fixing heater block and movable heater block are local conductive heating appts.
Preferably, described top mold frame is equiped with guide pin bushing, described guide pin bushing is when mould matched moulds, enter guide pillar, thus realize leading to the motion of mould matched moulds, described guide pillar is installed on counterdie, described top mold frame is equiped with cushion block, described upper cushion block is equiped with blanking die, and described lower mold holder is equiped with the blanking punch that matches with blanking die and the blanking punch cushion block for supporting blanking punch, and described blanking die is positioned at the left side of described movable heater block.
Preferably, the side of described blanking punch is provided with the alignment pin be fixedly connected with blanking punch cushion block, and described blanking die offers the locating hole with detent fit, and when described blanking die and described blanking punch matched moulds, described alignment pin inserts in locating hole.
Preferably, described top mold frame is equiped with female die for forming, described female die for forming offers cooling water hole, described lower mold holder is equiped with the forming terrace die matched with female die for forming, described forming terrace die offers cooling water hole, on described forming terrace die, the quantity of molded part is equal with the quantity that the fixing heater block on lower mold holder heats blank, the position of described molded part is corresponding respectively with the position of the fixing heater block on lower mold holder, described female die for forming is positioned at the right side of described movable heater block, and described forming terrace die is positioned at the right side of described fixing heater block.
Preferably, described top mold frame is equiped with trimming punch, described trimming punch is equiped with piercing punch, described lower mold holder is equiped with the trim die matched with trimming punch, described trim die is equiped with the punching concave die matched with piercing punch, and described trimming punch is positioned at the low order end portion of top mold frame.
Preferably, described lifting drive is cylinder, and the cylinder body of described cylinder is connected with upper cushion block, the piston rod of described cylinder with add thermal insulation part and be connected, described in add thermal insulation part and be connected with movable heater block.
High-strength part multistation thermal forming device carries out the high-strength part multistation thermo shaping method processed, and it is characterized in that comprising the steps:
Steps A, is delivered to the preform machined on fixing heater block, for blank needing the region forming processing carry out local heat, obtains the hot blank of temperature province distribution;
Step B, the hot blank that temperature province distributes is transported to the Working position of forming terrace die, forming terrace die and female die for forming are mutually drawn close and are carried out matched moulds formed machining, obtain hot forming product.
Preferably, before carrying out described steps A, punch process is carried out to high-strength plate and obtains preform.
Preferably, after carrying out described step B, cold forming punching trimming processing is carried out to hot forming product and obtains final formation of parts.
The beneficial effects of the utility model are: the utility model provides a kind of high-strength part multistation thermal forming device and thermo shaping method, these apparatus and method, based on hot forming, conductive heater and progressive die technology, achieve and complete punching press, heating, shaping quenching and punching trimming multistation heat forming processes on forcing presses.The method achieve on forcing press, synchronously complete blank the heating of local Quick conductive and shaping quenching process, eliminate conveying equipment and the course of conveying of heating furnace in conventional thermoforming process and hot blank.The method adopts the local Quick conductive heating means of blank to achieve the functionalization distribution of hot forming product mechanical property, namely the region of punching and trimming is being needed to be still the original structure that intensity and hardness are low, and intensity and the high even martensitic structure of hardness is obtained in other regions, therefore cold punching die can complete punching and the trimming operation in original structure region, eliminate laser equipment and post laser punching and trimming operation, practicality is stronger.
Accompanying drawing explanation
Fig. 1 is the perspective view of a kind of embodiment of the utility model.
Fig. 2 is the multistation process flow schematic diagram of the utility model embodiment.
Fig. 3 is the multistation operation schematic diagram of the utility model embodiment.
Reference numeral comprises:
1-top mold frame, 2-guide pin bushing, 3-guide pillar, 4-lower mold holder, 5-blanking punch cushion block, 6-blanking punch, 7-alignment pin, 8-fixing heater block cushion block, 9-fixing heater block insulating element, 10-fixing heater block, 11-forming terrace die cushion block, 12-forming terrace die, 13-trim die cushion block, 14-trim die, 15-punching concave die, 16-trimming punch, 17-piercing punch, 18-female die for forming, 19-cooling water hole, 20-lifting drive, 21-add thermal insulation part, 22-movable heater block, 23-blanking die, 24-upper cushion block.
Detailed description of the invention
For the ease of the understanding of those skilled in the art, be further described the utility model below in conjunction with embodiment and accompanying drawing, the content that embodiment is mentioned is not to restriction of the present utility model.
As shown in Figure 1, a kind of high-strength part multistation thermal forming device, comprise top mold frame 1, lower mold holder 4, be arranged at the female die for forming 18 of top mold frame 1 and be arranged at the forming terrace die 12 of lower mold holder 4, described top mold frame 1 is equiped with movable heater block 22 and the lifting drive 20 for driving movable heater block 22 to rise and decline, described lower mold holder 4 is equiped with fixing heater block 10, and the fixing heater block 10 on described lower mold holder 4 is arranged with the movable heater block 22 in top mold frame 1 is mutually corresponding.
Preferably, described top mold frame 1 is equiped with female die for forming 18, described female die for forming 18 offers cooling water hole 19, described lower mold holder 4 is equiped with the forming terrace die 12 matched with female die for forming 18, described forming terrace die 12 offers cooling water hole 19, on described forming terrace die 12, the quantity of the bent area of molded part is equal with the quantity of the fixing heater block 10 on lower mold holder 4, the position of molded part is corresponding respectively with the position of the fixing heater block 10 on lower mold holder 4, described female die for forming 18 is positioned at the right side of described movable heater block 22, described forming terrace die 12 is positioned at the right side of described fixing heater block 10.
In the present embodiment, the lifting drive 20 of described rising and decline be equiped with insulate for movable heater block 22 add thermal insulation part 21, described lower mold holder 4 is equiped with the fixing heater block cushion block 8 for supporting fixing heater block 10, be equiped with the fixing heater block insulating element 9 insulated for fixing heater block 10 between described fixing heater block cushion block 8 and fixing heater block 10, described fixing heater block 10 and described movable heater block 22 are local conductive heating appts.
In the present embodiment, described top mold frame 1 is equiped with guide pin bushing 2, described lower mold holder 4 is equiped with guide pillar 3 and upper cushion block 24, on this, cushion block 24 is equiped with blanking die 23, described lower mold holder 4 is equiped with the blanking punch 6 that matches with blanking die 23 and the blanking punch cushion block 5 for supporting blanking punch 6, when blanking die 23 and blanking punch 6 matched moulds, guide pillar 3 is socketed in guide pin bushing 2, and described blanking die 23 is positioned at the left side of described movable heater block 22.
Further, the side of described blanking punch 6 is provided with the alignment pin 7 be fixedly connected with blanking punch cushion block 5, described blanking die 23 offers the locating hole coordinated with alignment pin 7, and when described blanking die 23 is with described blanking punch 6 matched moulds, described alignment pin 4 inserts in locating hole.
In the present embodiment, described top mold frame 1 is equiped with trimming punch 16, described trimming punch 16 is equiped with piercing punch 17, described lower mold holder 4 is equiped with the trim die 14 matched with trimming punch 16, described trim die 14 offers the punching concave die 15 matched with piercing punch 17, and trimming punch 16 is positioned at the low order end portion of top mold frame 1.For the ease of installing, padding between trimming punch 16 and top mold frame 1 and being provided with cushion block 24, padding between trim die 14 and lower mold holder 4 and be provided with trim die cushion block 13.
In the present embodiment, described lifting drive 9 is cylinder, and the cylinder body of described cylinder is connected with upper cushion block 24, the piston rod of described cylinder with add thermal insulation part 21 and be connected, described in add thermal insulation part 21 and be connected with movable heater block 22.When the piston rod of described cylinder stretches out, described movable heater block 22 is moved downward to and contacts with blank, and compresses blank, has been energized to blank Fast Heating, improves the efficiency of heating surface, saves the transmitting procedure transmitting hot blank.
See Fig. 2 and Fig. 3, the utility model additionally provides and a kind ofly utilizes above-mentioned high-strength part multistation thermal forming device to carry out processing the multistation thermo shaping method of high-strength part, comprises the steps:
First, punch process is carried out to high-strength plate and obtain preform;
Secondly, the blank machined being delivered on fixing heater block 10, for blank needing the region forming processing carry out local heat, obtaining the hot blank of temperature province distribution;
Again, the hot blank that temperature province distributes is transported to the Working position of forming terrace die 12, forming terrace die 12 and female die for forming 18 are mutually drawn close and are carried out matched moulds formed machining, hot blank completes be shaped quenching and pressure maintaining period in this mould, obtain the hot forming product of mechanical property functionalization distribution, namely be intensity and the low original structure of hardness needing the region of punching and trimming still, and obtain intensity and the high even martensitic structure of hardness in other regions;
Finally, cold forming punching trimming processing is carried out to mechanical property functionalization distributed heat molded part and obtain final formation of parts.
The beneficial effects of the utility model are: achieve and complete blanking, heating, shaping quenching and punching trimming multistation heat forming processes on forcing press, shorten the production cycle of heat forming processes, improve production efficiency, reduce cost of investment and production cost.The method achieve on forcing press, synchronously complete blank local Quick conductive heating and shaping quenching process, shorten the heat time of blank, improve the efficiency of heating, eliminate conveying equipment and the course of conveying of heating furnace in conventional thermoforming process and hot blank simultaneously, avoid the hot loss of blank heat and the oxidation on surface in course of conveying, ensure the surface quality of hot blank and the quality of final hot forming product.The method adopts the local Quick conductive heating means of blank to achieve the functionalization distribution of hot forming product mechanical property, namely the region of punching and trimming is being needed to be still the original structure that intensity and hardness are low, and intensity and the high even martensitic structure of hardness is obtained in other regions, therefore cold punching die can complete punching and the trimming operation in original structure region, eliminate laser equipment and post laser punching and trimming operation.
Above-described embodiment is the utility model preferably implementation, and in addition, the utility model can also realize by alternate manner, and under the prerequisite not departing from the technical program design, any apparent replacement is all within protection domain of the present utility model.
Claims (7)
1. a high-strength part multistation thermal forming device, comprise top mold frame (1), lower mold holder (4), be arranged at the female die for forming (18) of top mold frame (1) and be arranged at the forming terrace die (12) of lower mold holder (4), it is characterized in that: described top mold frame (1) is equiped with movable heater block (22) and the lifting drive (20) for driving movable heater block (22) to rise and decline, described lower mold holder (4) is equiped with fixing heater block (10), fixing heater block (10) on described lower mold holder (4) is arranged with the movable heater block (22) in top mold frame (1) is mutually corresponding.
2. one according to claim 1 high-strength part multistation thermal forming device, it is characterized in that: the lifting drive (20) of described rising and decline be equiped with insulate for movable heater block (22) add thermal insulation part (21), described lower mold holder (4) is equiped with the fixing heater block cushion block (8) for supporting fixing heater block (10), the fixing heater block insulating element (9) insulated for fixing heater block (10) is equiped with between described fixing heater block cushion block (8) and fixing heater block (10), described fixing heater block (10) and described movable heater block (22) are local conductive heating appts.
3. one according to claim 1 high-strength part multistation thermal forming device, it is characterized in that: described top mold frame (1) is equiped with guide pin bushing (2), described lower mold holder (4) is equiped with guide pillar (3) and upper cushion block (24), on this, cushion block (24) is equiped with blanking die (23), described lower mold holder (4) is equiped with the blanking punch (6) that matches with blanking die (23) and the blanking punch cushion block (5) for supporting blanking punch (6), when blanking die (23) and blanking punch (6) matched moulds, guide pillar (3) is socketed in guide pin bushing (2), described blanking die (23) is positioned at the left side of described movable heater block (22).
4. one according to claim 3 high-strength part multistation thermal forming device, it is characterized in that: the side of described blanking punch (6) is provided with the alignment pin (7) be fixedly connected with blanking punch cushion block (5), described blanking die (23) offers the locating hole coordinated with alignment pin (7), when described blanking die (23) and described blanking punch (6) matched moulds, described alignment pin (4) inserts in locating hole.
5. one according to claim 1 high-strength part multistation thermal forming device, it is characterized in that: described top mold frame (1) is equiped with female die for forming (18), described female die for forming (18) offers cooling water hole (19), described lower mold holder (4) is equiped with the forming terrace die (12) matched with female die for forming (18), described forming terrace die (12) offers cooling water hole (19), described female die for forming (18) is positioned at the right side of described movable heater block (22), and described forming terrace die (12) is positioned at the right side of described fixing heater block (10).
6. one according to claim 1 high-strength part multistation thermal forming device, it is characterized in that: described top mold frame (1) is equiped with trimming punch (16), described trimming punch (16) is equiped with piercing punch (17), described lower mold holder (4) is equiped with the trim die (14) matched with trimming punch (16), described trim die (14) offers the punching concave die (15) matched with piercing punch (17), and trimming punch (16) is positioned at the low order end portion of top mold frame (1).
7. one according to claim 1 high-strength part multistation thermal forming device, it is characterized in that: described lifting drive (9) is cylinder, the cylinder body of this cylinder is connected with upper cushion block (24), the piston rod of described cylinder with add thermal insulation part (21) and be connected, described in add thermal insulation part (21) and be connected with movable heater block (22).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420704621.3U CN204353311U (en) | 2014-11-21 | 2014-11-21 | A kind of high-strength part multistation thermal forming device |
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| CN201420704621.3U CN204353311U (en) | 2014-11-21 | 2014-11-21 | A kind of high-strength part multistation thermal forming device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104438840A (en) * | 2014-11-21 | 2015-03-25 | 东莞市豪斯特热冲压技术有限公司 | Multi-station hot forming device and hot forming method for high-strength parts |
| CN107983848A (en) * | 2017-11-30 | 2018-05-04 | 昆山邦泰汽车零部件制造有限公司 | The hot stamping die of high-efficiency heating product |
| CN107999634A (en) * | 2018-01-16 | 2018-05-08 | 沧州惠邦重工装备制造有限公司 | More ripple conduction sheet forming devices |
| CN108213221A (en) * | 2017-11-30 | 2018-06-29 | 昆山邦泰汽车零部件制造有限公司 | Drop stamping equipment |
| CN108856429A (en) * | 2017-05-25 | 2018-11-23 | 苏州专创光电科技有限公司 | A kind of multiple site punching machine for the production of automobile metal accessory |
-
2014
- 2014-11-21 CN CN201420704621.3U patent/CN204353311U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104438840A (en) * | 2014-11-21 | 2015-03-25 | 东莞市豪斯特热冲压技术有限公司 | Multi-station hot forming device and hot forming method for high-strength parts |
| CN104438840B (en) * | 2014-11-21 | 2016-08-24 | 东莞市豪斯特热冲压技术有限公司 | A kind of high-strength part multistation thermal forming device and thermo shaping method |
| CN108856429A (en) * | 2017-05-25 | 2018-11-23 | 苏州专创光电科技有限公司 | A kind of multiple site punching machine for the production of automobile metal accessory |
| CN107983848A (en) * | 2017-11-30 | 2018-05-04 | 昆山邦泰汽车零部件制造有限公司 | The hot stamping die of high-efficiency heating product |
| CN108213221A (en) * | 2017-11-30 | 2018-06-29 | 昆山邦泰汽车零部件制造有限公司 | Drop stamping equipment |
| CN107999634A (en) * | 2018-01-16 | 2018-05-08 | 沧州惠邦重工装备制造有限公司 | More ripple conduction sheet forming devices |
| CN107999634B (en) * | 2018-01-16 | 2023-08-04 | 沧州惠邦重工装备制造有限公司 | Multi-ripple conducting strip forming device |
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