CN216828544U - Special molding machine for steel composite brake disc - Google Patents
Special molding machine for steel composite brake disc Download PDFInfo
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- CN216828544U CN216828544U CN202220477511.2U CN202220477511U CN216828544U CN 216828544 U CN216828544 U CN 216828544U CN 202220477511 U CN202220477511 U CN 202220477511U CN 216828544 U CN216828544 U CN 216828544U
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- 238000000465 moulding Methods 0.000 title claims abstract description 30
- 239000002131 composite material Substances 0.000 title claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 18
- 239000010959 steel Substances 0.000 title claims abstract description 18
- 239000004576 sand Substances 0.000 claims abstract description 142
- 238000007667 floating Methods 0.000 claims abstract description 35
- 238000007790 scraping Methods 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 29
- 230000008569 process Effects 0.000 abstract description 14
- 230000000712 assembly Effects 0.000 abstract description 12
- 238000000429 assembly Methods 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000003247 decreasing effect Effects 0.000 abstract description 6
- 230000003044 adaptive effect Effects 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 description 5
- 238000004321 preservation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 208000034189 Sclerosis Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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Abstract
The utility model discloses a special molding machine of steel composite brake disc relates to molding equipment technical field, including frame, movable mould subassembly, cover half subassembly, drawing of patterns subassembly, penetrate sand subassembly, switching platform. The molding of the brake disc is realized by arranging a movable die assembly and a fixed die assembly which are matched with each other; the demolding assembly and the sand shooting assembly are arranged on the movable switching platform, so that the sand shooting procedure and the demolding procedure are switched, and meanwhile, the automatic molding is realized; the sand scraping plate is arranged on the sand shooting assembly, so that floating sand on the fixed die assembly can be scraped by the sand scraping plate when the switching assembly is used for switching the processes after the sand shooting process is finished; by arranging at least one group of switching platforms, the number of the switching platforms is increased or decreased as required, and then the number of the demoulding assemblies, the sand shooting assemblies, the fixed die assemblies and the movable die assemblies which are matched with the switching platforms is increased or decreased, so that the adaptive control on the production efficiency is realized; the problems that floating sand is not cleaned timely and production efficiency is low are solved.
Description
Technical Field
The utility model relates to a molding equipment technical field especially indicates a special molding machine of steel composite brake disc.
Background
Brake discs in the current market mainly comprise brake discs made of HT250 materials and steel composite brake discs. In the new product development stage, the molding of the composite brake disc adopts a general molding machine, the size of the workbench is too large, and the stroke is too long; residual floating sand on the upper die is quickly solidified after sand shooting, and the manual cleaning efficiency is low; the mould opening and closing is pushed by a cylinder, is unstable, and the movable mould can only move up and down but not move back and forth, so that the core taking device is inconvenient.
The molding equipment among the prior art degree of automation is not high, needs a large amount of manual intervention, has seriously influenced figurative production efficiency.
SUMMERY OF THE UTILITY MODEL
Not enough to in the above-mentioned background art, the utility model provides a special molding machine of steel composite brake disc has solved among the prior art problem that the artifical clearance of superficial sand is untimely, production efficiency is not high.
The technical scheme of the utility model is realized like this: the utility model provides a special molding machine of steel composite brake disc, which comprises a frame, the fixed movable mould subassembly that is equipped with in frame bottom, the portable at least a set of switching platform that is equipped with in the frame, slide on the switching platform and be equipped with drawing of patterns subassembly and penetrate the sand subassembly, penetrate the sand subassembly and go up the fixed sand scraping plate that is equipped with, the frame top is equipped with drawing of patterns subassembly and penetrate sand subassembly assorted last pneumatic ejector core, the frame top is equipped with and penetrates sand subassembly matched with sand storehouse, the sand storehouse cooperatees with penetrating the sand subassembly, the frame middle part is fixed be equipped with movable mould subassembly assorted cover half subassembly, drawing of patterns subassembly and penetrate the sand subassembly and cooperate with the cover half subassembly through switching platform.
Preferably, the movable die assembly comprises a coring translation guide pillar support fixedly arranged on the rack, a coring translation guide pillar is fixedly arranged on the coring translation guide pillar support, a lower push plate is slidably arranged on the coring translation guide pillar, and the lower push plate is in transmission connection with a coring translation pneumatic push rod fixedly arranged on the rack; the lower push plate is provided with a movable mould fixing plate in a sliding mode, and the movable mould fixing plate is fixedly connected with an opening and closing mould hydraulic push rod fixedly arranged on the lower push plate.
Preferably, a movable die is fixedly arranged on the movable die fixing plate, and a lower demolding thimble matched with the movable die is arranged on the lower push plate.
Preferably, the switching platform comprises an upper push plate, the upper push plate is arranged on the rack in a sliding mode, the demolding assembly and the sand shooting assembly are arranged on the upper push plate in a sliding mode, and the upper push plate is in transmission connection with a switching pneumatic push rod fixedly arranged on the rack.
Preferably, the demolding assembly comprises an upper core plate, a first floating push rod and a first guide pillar are fixedly arranged on the upper core plate, the first floating push rod and the first guide pillar are both in sliding connection with the upper push plate, the first floating push rod is matched with the upper pneumatic core, a return spring is arranged on the first guide pillar, and an upper demolding thimble is arranged on the upper core plate.
Preferably, the sand shooting assembly comprises a sand shooting plate, a second floating push rod and a second guide pillar are fixedly arranged on the sand shooting plate, the second floating push rod and the second guide pillar are both in sliding connection with the upper push plate and are matched with the upper pneumatic ejector core, a reset spring is arranged on the second guide pillar, and the sand shooting plate is communicated with the sand warehouse.
Preferably, the sand scraping plate is fixedly arranged on one side of the sand shooting plate, and a rubber plate is arranged at the bottom of the sand scraping plate.
Preferably, the sand scraping plate is positioned between the sand shooting plate and the upper top core plate.
Preferably, the sand warehouse comprises a warehouse body, the warehouse body is communicated with the sand shooting plate, and the rack is provided with an air storage tank matched with the warehouse body.
Preferably, the fixed die assembly comprises a fixed die mounting plate fixedly arranged at the middle part of the rack, a fixed die is fixedly arranged on the fixed die mounting plate, and the demolding assembly and the sand shooting assembly are matched with the fixed die through a switching platform.
The utility model has the advantages that: the molding of the brake disc is realized by arranging a movable mould component and a fixed mould component which are matched with each other; the sand shooting procedure and the demolding procedure in the molding process can be met by arranging the demolding assembly and the sand shooting assembly which are matched with the movable mold assembly and the sand warehouse which is matched with the sand shooting assembly; the demolding assembly and the sand shooting assembly are arranged on the movable switching platform, so that the sand shooting procedure and the demolding procedure are switched, and meanwhile, the automatic molding is realized; the sand scraping plate is arranged on the sand shooting assembly, so that floating sand on the fixed die assembly can be scraped by the sand scraping plate when the switching assembly is used for switching the processes after the sand shooting process is finished; the number of the switching platforms can be increased or decreased according to actual needs by arranging at least one group of switching platforms on the rack, so that the number of the demoulding assemblies, the sand shooting assemblies, the fixed die assemblies and the movable die assemblies matched with the switching platforms can be increased or decreased, and the adaptive control on the production efficiency is realized; the movable mould assembly can take off the model after the modeling is finished, and move the model to a position convenient for an operator to take off. The problems that in the prior art, floating sand is not cleaned timely and production efficiency is low are solved.
Drawings
In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive work.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the three-dimensional structure of the movable mold assembly of the present invention;
fig. 3 is the utility model discloses switch platform, drawing of patterns subassembly, penetrate sand subassembly schematic structure.
In the figure: 1: frame, 2: movable die assembly, 3: switching platform, 4: demolding component, 5: sand shooting assembly, 6: scraping plate, 7: upper pneumatic ejection core, 8: sand silo, 9: translation guide pillar support, 10: coring translation guide pillar, 11: lower push plate, 12: coring translation pneumatic push rod, 13: movable die fixing plate, 14: die opening and closing hydraulic push rod, 15: push-up plate, 16: upper top core plate, 17: first floating push rod, 18: first guide post, 19: sand shooting plate, 20: second floating push rod, 21: second guide post, 22: gas tank, 23: switching pneumatic push rod, 24: fixed die assembly, 25: and (5) fixing the die mounting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
As shown in fig. 1, embodiment 1 is a molding machine for a steel composite brake disc, characterized in that: including frame 1, 1 fixed movable mould subassembly 2 that is equipped with in frame bottom, the frame is portable to be equipped with at least a set of switching platform 3 on 1, specifically is switching platform horizontal slip and sets up in the frame, and the preferred 2 groups that set up in this embodiment switch the platform, can satisfy production efficiency, can satisfy the cost saving principle again. The switching platform 3 is provided with a demoulding assembly 4 and a sand shooting assembly 5 in a sliding manner, and the demoulding assembly 4 and the sand shooting assembly 5 are arranged in sequence along the sliding direction of the switching platform. Penetrate and to be equipped with sand scraping plate 6 on the subassembly 5, 1 top in the frame be equipped with drawing of patterns subassembly 4 and penetrate the pneumatic top core 7 on the subassembly 5 assorted, 1 top in the frame be equipped with penetrate the sand storehouse 8 of subassembly 5 matched with, sand storehouse 8 cooperatees with penetrating the sand subassembly 5, 1 middle part in the frame is fixed be equipped with movable mould subassembly 2 assorted cover half subassembly 24, drawing of patterns subassembly 4 and penetrate sand subassembly 5 and cooperate with cover half subassembly 24 through switching platform 3. The molding of the brake disc is realized by arranging a movable mould component and a fixed mould component which are matched with each other; the sand shooting procedure and the demolding procedure in the molding procedure can be met by arranging the demolding assembly and the sand shooting assembly which are matched with the movable mold assembly and the sand warehouse which is matched with the sand shooting assembly; the demolding assembly and the sand shooting assembly are arranged on the movable switching platform, so that the sand shooting procedure and the demolding procedure are switched, and meanwhile, the automatic molding is realized; the sand scraping plate is arranged on the sand shooting assembly, so that floating sand on the fixed die assembly can be scraped by the sand scraping plate when the switching assembly is used for switching the processes after the sand shooting process is finished; the number of the switching platforms can be increased or decreased according to actual needs by arranging at least one group of switching platforms on the rack, so that the number of the demoulding assemblies, the sand shooting assemblies, the fixed die assemblies and the movable die assemblies matched with the switching platforms can be increased or decreased, and the adaptive control on the production efficiency is realized; the movable mould assembly can take off the model after the modeling is finished, and move the model to a position convenient for an operator to take off. The problems that in the prior art, floating sand is not cleaned timely and production efficiency is low are solved.
When the embodiment is applied and brake disc modeling is carried out, firstly, the fixed die assembly and the movable die assembly are arranged correspondingly, then the fixed die assembly and the movable die assembly are heated by utilizing the existing heating technology to 200 ℃ plus 220 ℃, the movable die assembly is matched with the fixed die assembly, meanwhile, the switching platform is started to enable the sand shooting assembly to correspond to the fixed die assembly, the upper pneumatic jacking core is started to enable the sand shooting assembly to be matched with the fixed die assembly, then, the sand shooting procedure of the brake disc is carried out through the work of the sand warehouse and the sand shooting assembly and the matching of the fixed die assembly and the movable die assembly, then, the switching platform is started to reset the sand shooting assembly, meanwhile, the sand scraping plate 6 scrapes off redundant sand at the top of the fixed die assembly in the resetting process, and floating sand solidification is prevented. And resetting the sand shooting assembly and simultaneously demoulding the assembly in place, then preserving heat for 90-150 seconds, wherein the heat preservation time is determined according to the wall thickness of the shell mould, if the wall thickness is larger, the heat preservation time can be properly prolonged, and the purpose of heat preservation is to fully harden, solidify and shape the brake disc model.
After the shaping is finished, the upper pneumatic jacking core is opened to enable the demoulding assembly to be matched with the fixed die assembly, meanwhile, the movable die assembly works, and the brake disc is separated from the fixed die assembly under the action of the demoulding assembly to finish the shaping process.
As shown in fig. 2, embodiment 2, on the basis of embodiment 1, movable mould subassembly 2 is including the fixed coring translation guide pillar support 9 that sets up in frame 1, and coring translation guide pillar 10 is fixed to be equipped with on coring translation guide pillar support 9, and it is equipped with down push plate 11 to slide on coring translation guide pillar 10, and lower push plate 11 is connected with the transmission of the coring translation pneumatic push rod 12 of fixed setting in frame 1, and lower push plate 11 can be translated under coring translation pneumatic push rod's the effect. The lower push plate 11 is provided with a movable mold fixing plate 13 in a sliding manner, the movable mold fixing plate 13 is provided with a mounting hole, a movable mold is fixedly arranged on the movable mold fixing plate 13 through the mounting hole, and the movable mold fixing plate can vertically move relative to the lower push plate, so that the movable mold is close to or far away from a fixed mold assembly above the movable mold. The movable die fixing plate 13 is fixedly connected with an opening and closing die hydraulic push rod 14 fixedly arranged on the lower push plate 11, and the opening and closing die hydraulic push rod 14 is driven by hydraulic pressure or oil pressure and is more stable to push in the die opening and closing process compared with pneumatic pressure driving. The lower push plate 11 is provided with a lower demoulding thimble matched with the movable mould, and specifically, the lower demoulding thimble penetrates through the fixed plate of the movable mould to be matched with the movable mould.
When the embodiment is applied, during modeling, the coring translation pneumatic push rod 12 is reset to enable the movable mold to correspond to the fixed mold assembly, the opening and closing hydraulic push rod 14 is opened to enable the movable mold to ascend to the position matched with the fixed mold assembly, during heating, the movable mold is heated by using the existing heating means such as electric heating, and the sand shooting process is carried out. After the heat preservation is finished, the die opening and closing hydraulic push rod 14 is opened to enable the movable die to descend, the demolding assembly presses downwards to separate the brake disc model from the fixed die assembly to finish the fixed die opening, the brake disc model is ejected out to be separated from the movable die by the downward demolding ejector pin to finish the whole demolding process, and the coring and translating pneumatic push rod is opened to translate the brake disc model, so that an operator can conveniently take the die.
As shown in fig. 3, in embodiment 3, based on embodiment 2, the switching platform 3 includes a push-up plate 15, the push-up plate 15 is slidably disposed on the rack 1, specifically, a roller is disposed on the push-up plate, and the roller is rotatably disposed on a translation rail fixedly connected to the rack. The demoulding component 4 and the sand shooting component 5 are arranged on an upper push plate 15 in a sliding mode, and the upper push plate 15 is in transmission connection with a switching pneumatic push rod 23 fixedly arranged on the machine frame 1.
When the process is required to be switched, the switching pneumatic push rod 23 is started, and the switching pneumatic push rod 23 pushes the upper push plate to move along the translation track, so that the switching of the demoulding assembly 4 and the sand shooting assembly 5 is realized.
When the embodiment is applied, when the demoulding operation of the fixed mould is needed, the upper pneumatic top core 7 is opened, the upper pneumatic top core extends downwards and is in contact with the first floating push rod, so that the first floating push rod is pushed to move downwards, the first floating push rod drives the upper top core plate to move downwards, meanwhile, the first guide pillar slides relative to the upper push plate, meanwhile, the reset spring is compressed, the demoulding thimble is matched with the fixed mould assembly, the brake disc model is separated from the fixed mould assembly, the demoulding operation is completed, then, the upper pneumatic top core is closed, the upper pneumatic top core is reset, and the compressed reset spring drives the upper push plate to reset.
When the embodiment is applied and needs to carry out sand shooting operation, the upper pneumatic ejector core 7 is opened, the upper pneumatic ejector core extends downwards and is in contact with the second floating push rod so as to push the second floating push rod to move downwards, the second floating push rod drives the sand shooting plate 19 to move downwards until the sand shooting plate is matched with the fixed die assembly, after heating, the sand warehouse works, sand in the sand warehouse is conducted to the sand shooting plate to enter the fixed die assembly, and the sand shooting procedure is finished,
This embodiment is when using, when shooting the sand subassembly and reseing, and the sand scraping plate lower surface flushes with the cover half subassembly top to thereby remove along with the translation that resets of shooting the sand subassembly and scrape off the remaining superficial sand in cover half subassembly top, can prevent the in-process hourglass sand phenomenon of shooting next time after scraping off and appear, the operation of scraping sand should be before superficial sand sclerosis, will float sand clean up.
Embodiment 7, on the basis of embodiment 6, the sand silo 8 includes a silo body, a sensor is arranged in the silo body and used for detecting the amount of sand stored in the silo body, the silo body is communicated with the sand shooting plate 19, and the rack 1 is provided with an air storage tank 22 matched with the silo body.
When the embodiment is applied, compressed air is stored in the air storage tank 22, when the sand shooting procedure is performed, the air storage tank is opened to release air in the air storage tank, sand in the warehouse body is blown into the sand plate by utilizing air pressure and air flow rate, the sand is blown into the fixed die assembly, specifically, the sand plate is blown into the fixed die assembly, and finally the sand is blown into the fixed die assembly.
When the embodiment is applied, before a sand shooting process, the movable mold moves upwards to be matched with the fixed mold to complete mold assembly, then the movable mold is heated by utilizing the existing heating means such as electric heating and the like, the sand shooting process is carried out, and after heat preservation is completed, the upper demolding thimble of the demolding assembly presses downwards to penetrate through the fixed mold to separate the brake disc model from the fixed mold assembly.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The special molding machine for the steel composite brake disc is characterized in that: including frame (1), fixed movable mould subassembly (2) that is equipped with in frame (1) bottom, portable at least a set of switching platform (3) of being equipped with on frame (1), it is equipped with drawing of patterns subassembly (4) and penetrates sand subassembly (5) to slide on switching platform (3), penetrate sand subassembly (5) and go up fixed scraper (6) of being equipped with, frame (1) top is equipped with drawing of patterns subassembly (4) and penetrate sand subassembly (5) assorted and pneumatic top core (7), frame (1) top is equipped with and penetrates sand subassembly (5) matched with sand storehouse (8), sand storehouse (8) and penetrate sand subassembly (5) and cooperate, frame (1) middle part is fixed be equipped with movable mould subassembly (2) assorted cover half subassembly (24), drawing of patterns subassembly (4) and penetrate sand subassembly (5) and cooperate with cover half subassembly (24) through switching platform (3).
2. The molding machine for steel composite brake discs as claimed in claim 1, characterized in that: the movable die assembly (2) comprises a coring translation guide pillar support (9) fixedly arranged on the rack (1), a coring translation guide pillar (10) is fixedly arranged on the coring translation guide pillar support (9), a lower push plate (11) is slidably arranged on the coring translation guide pillar (10), and the lower push plate (11) is in transmission connection with a coring translation pneumatic push rod (12) fixedly arranged on the rack (1); a movable mould fixing plate (13) is arranged on the lower push plate (11) in a sliding manner, and the movable mould fixing plate (13) is fixedly connected with a mould opening and closing hydraulic push rod (14) fixedly arranged on the lower push plate (11).
3. The molding machine for steel composite brake discs as claimed in claim 2, characterized in that: and a movable die is fixedly arranged on the movable die fixing plate (13), and a lower demolding thimble matched with the movable die is arranged on the lower push plate (11).
4. The molding machine for a steel composite brake disc according to any one of claims 1 to 3, characterized in that: switching platform (3) include push-up plate (15), and push-up plate (15) slide to set up in frame (1), and drawing of patterns subassembly (4) and shooting sand subassembly (5) slide to set up on push-up plate (15), and push-up plate (15) are connected with the fixed switching pneumatic push rod (23) transmission that sets up in frame (1).
5. The molding machine for steel composite brake discs as claimed in claim 4, wherein: the demolding component (4) comprises an upper core ejection plate (16), a first floating push rod (17) and a first guide pillar (18) are fixedly arranged on the upper core ejection plate (16), the first floating push rod (17) and the first guide pillar (18) are both in sliding connection with an upper push plate (15), the first floating push rod (17) is matched with an upper pneumatic core ejection plate (7), a return spring is arranged on the first guide pillar (18), and an upper demolding thimble is arranged on the upper core ejection plate (16).
6. The molding machine for steel composite brake discs as claimed in claim 5, wherein: penetrate sand subassembly (5) including shooting plate (19), fixed being equipped with second floating push rod (20) and second guide pillar (21) on shooting plate (19), second floating push rod (20) and second guide pillar (21) all with push up plate (15) sliding connection, second floating push rod (20) and last pneumatic ejector core (7) cooperate, are equipped with reset spring on second guide pillar (21), and shooting plate (19) are linked together with sand storehouse (8).
7. The molding machine for steel composite brake discs as claimed in claim 6, wherein: the sand scraping plate (6) is fixedly arranged on one side of the sand shooting plate (19), and a rubber plate is arranged at the bottom of the sand scraping plate (6).
8. The molding machine for steel composite brake discs as claimed in claim 7, wherein: the sand scraping plate (6) is positioned between the sand shooting plate (19) and the upper top core plate (16).
9. The molding machine for steel composite brake discs as claimed in claim 8, wherein: the sand warehouse (8) comprises a warehouse body, the warehouse body is communicated with the sand shooting plate (19), and a gas storage tank (22) matched with the warehouse body is arranged on the rack (1).
10. The molding machine for a steel composite brake disc according to any one of claims 1 to 3 and 5 to 9, characterized in that: the fixed die assembly (24) comprises a fixed die mounting plate (25) fixedly arranged at the middle part of the rack, a fixed die is fixedly arranged on the fixed die mounting plate (25), and the demolding assembly (4) and the sand shooting assembly (5) are matched with the fixed die through a switching platform (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220477511.2U CN216828544U (en) | 2022-03-07 | 2022-03-07 | Special molding machine for steel composite brake disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220477511.2U CN216828544U (en) | 2022-03-07 | 2022-03-07 | Special molding machine for steel composite brake disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216828544U true CN216828544U (en) | 2022-06-28 |
Family
ID=82094652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220477511.2U Active CN216828544U (en) | 2022-03-07 | 2022-03-07 | Special molding machine for steel composite brake disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216828544U (en) |
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2022
- 2022-03-07 CN CN202220477511.2U patent/CN216828544U/en active Active
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Address after: No. 254 Jincheng Avenue, Langling Street, Queshan County, Zhumadian City, Henan Province, 463200 Patentee after: Henan Hengjiu Brake System Co.,Ltd. Address before: No.254, Jincheng Avenue, industrial agglomeration zone, Queshan County, Zhumadian City, Henan Province, 463200 Patentee before: ZHUMADIAN HENGJIU MACHINERY MANUFACTURING CO.,LTD. |