CN115891012A - Forming die and forming process for automobile gear - Google Patents
Forming die and forming process for automobile gear Download PDFInfo
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- CN115891012A CN115891012A CN202211476148.3A CN202211476148A CN115891012A CN 115891012 A CN115891012 A CN 115891012A CN 202211476148 A CN202211476148 A CN 202211476148A CN 115891012 A CN115891012 A CN 115891012A
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- automobile gear
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention relates to the technical field of automobile gear forming, and discloses a forming die and a forming process of an automobile gear, wherein the forming die comprises a base, a lower die, an L-shaped plate, a hydraulic cylinder, a lifting column, an upper die, a cavity and a jacking bin, the jacking bin is communicated with an inner cavity of the cavity through a through groove, a U-shaped groove body is fixedly connected to the inner side wall of the jacking bin, a sliding plate is slidably connected to the inner surface of the U-shaped groove body, anti-dropping blocks are fixedly connected to two ends of the upper surface of the sliding plate, a convex strip is fixedly connected to the outer surface of the sliding plate, an arc-shaped block is fixedly connected to the outer surface of the upper end of the convex strip after extending into the inner cavity of the through groove, teeth are arranged on one side surface of the convex strip away from the sliding plate, a motor is fixedly connected to the inner side wall of the jacking bin, a rotating shaft is fixedly connected to the output end of the motor, a gear is fixedly connected to one end of the rotating shaft away from the motor, and the outer surface of the gear is meshed with the teeth; the difficulty of taking out the automobile gear from the injection mold in the production process can be reduced through the matching of the structures.
Description
Technical Field
The invention belongs to the technical field of automobile gear forming, and particularly relates to a forming die and a forming process of an automobile gear.
Background
The automobile gear consists of a self-locking mechanism, a gear selecting rod and a gear shifting head, and is a device for adjusting the running speed of an automobile and controlling the running direction of the automobile.
In the traditional production process, in the process of taking out an injection molded automobile gear part, a cooled product is formed compactly in a mold and is not easy to take out, and when a plastic product is taken out, tools such as a clamp and the like easily cause abrasion of an automobile gear part model, so that the quality of the automobile gear after forming is influenced.
Disclosure of Invention
The invention aims to: in order to reduce the difficulty of taking out the automobile gear from the injection mold in the production process, the application provides a forming mold and a forming process of the automobile gear.
The technical scheme adopted by the invention is as follows:
the utility model provides a forming die of car gear, includes the base, the last fixed surface of base is connected with the lower mould, the die cavity has been seted up to the upper surface of lower mould, the lower mould is close to the inside jacking storehouse of having seted up of lower extreme of die cavity, the jacking storehouse with the inside appearance chamber of die cavity is linked together through leading to the groove, the relative inside wall fixedly connected with U type cell body in jacking storehouse, the internal surface sliding connection of U type cell body has the slide, the fixed surface of slide is connected with the sand grip, the upper end surface of sand grip extends into fixedly connected with arc piece behind the appearance chamber of leading to inslot, the both sides surface of arc piece with the inner wall sliding connection who leads to the groove, the sand grip is kept away from a side fixedly connected with tooth of slide, the inside wall fixedly connected with motor in jacking storehouse, the output fixedly connected with axis of rotation of motor, the axis of rotation is kept away from the one end fixedly connected with gear of motor, the surface of gear with the tooth meshes mutually.
In a preferred invention mode, the right end of the upper surface of the base is fixedly connected with an L-shaped plate, the lower surface of the top end of the L-shaped plate is fixedly connected with a hydraulic cylinder, the lower surface of the hydraulic cylinder is provided with a lifting column, the outer surface of one end, far away from the hydraulic cylinder, of the lifting column is fixedly connected with an upper die, and the upper surface of the upper die is provided with a plurality of through holes.
In a preferable invention mode, the outer surface of the left side of the lower die is provided with a heat dissipation groove, the middle part of the inner wall of the heat dissipation groove is fixedly provided with a semiconductor refrigeration sheet, the hot end surface of the left side of the semiconductor refrigeration sheet is provided with a water cooling head, and the cold end surface of the right side of the semiconductor refrigeration sheet is provided with a cold guide block.
In a preferred invention mode, a cooling groove is arranged in the lower die close to the cavity, the cooling groove is annularly arranged on the outer side of the cavity, and an inner cavity of the cooling groove is communicated with an inner cavity of the heat dissipation groove through a connecting hole.
In a preferred invention mode, an inner cavity at the right end of the heat dissipation groove is fixedly communicated with an air inlet pipe, the outer surface of the air inlet pipe is provided with a one-way valve, and an opening at one end of the air inlet pipe, which is far away from the heat dissipation groove, is fixedly provided with a third filter screen.
In a preferred invention mode, a first filter screen is fixedly mounted on the inner wall of the opening at the left end of the heat dissipation groove.
In a preferred invention mode, the inner cavity of the cooling tank is communicated with an air outlet, and a second filter screen is fixedly mounted at an opening at one end of the air outlet, which is far away from the cooling tank.
In a preferred mode of the invention, the upper die is located right above the cavity, and the size of the outer diameter of the upper die is matched with the size of the inner diameter of the cavity.
In a preferred invention mode, two ends of the upper surface of the sliding plate are fixedly connected with anti-falling blocks.
A forming process of an automobile gear comprises the following steps:
s1, introducing an injection molding raw material of an automobile gear into the cavity;
s2, the upper die is driven to move downwards by the cooperation of the hydraulic cylinder and the lifting column, the upper die enters the cavity, injection molding raw materials can be molded at the moment, and redundant raw materials can be extruded from the through hole;
s3, after the shaping of the automobile gear is finished, the semiconductor refrigerating sheet can be started to enable the cold guide block to rapidly cool the temperature of the air nearby, the cooled air can enter the cooling groove from the connecting hole, and the airflow entering the cooling groove can rapidly cool the shaped automobile gear so as to shape the automobile gear;
s4, driving the upper die to move upwards to reset by matching the hydraulic cylinder with the lifting column;
s5, start the motor makes the axis of rotation drives the gear rotates, and then makes the sand grip drives the slide is in the medial surface of U type cell body slides, and upward movement this moment the sand grip also can drive arc piece upward movement to the car gear jack-up that will cool off after the setting makes progress, the staff of being convenient for takes.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, when the cooled and shaped automobile gear needs to be ejected, the motor can be started to drive the gear to rotate by the rotating shaft, the gear can enable the convex strips to drive the inner side surface of the U-shaped groove body of the sliding plate to slide upwards through the meshed teeth, the convex strips moving upwards can drive the arc-shaped blocks to move upwards, the arc-shaped blocks can slowly slide upwards in the through grooves until the arc-shaped blocks slide upwards into the cavities, the cooled and shaped automobile gear can be jacked upwards, the automobile gear is convenient for workers to take, and the difficulty in taking the automobile gear out of the injection mold in the production process is reduced through the matching of the structures.
2. According to the invention, after the injection molding raw material of the automobile gear is introduced into the cavity, the hydraulic cylinder can be started to enable the lifting column to drive the upper die to move downwards, the upper die enters the cavity to mold the injection molding raw material, redundant raw materials can be extruded from the through hole, after the automobile gear is molded, the semiconductor refrigerating sheet can be started to enable the cold guide block to rapidly cool the air temperature nearby, the cooled air can enter the cooling groove from the connecting hole, and the airflow entering the cooling groove can rapidly cool the molded automobile gear, so that the automobile gear can be molded, and the production efficiency of the automobile gear is improved.
3. According to the invention, the one-way valve is opened, so that external air can enter the vicinity of the cold guide block in the heat dissipation groove from the air inlet pipe, so that the air at the heat dissipation groove can be continuously supplemented, cold air flow entering the cooling groove can be discharged from the air outlet after absorbing heat, so that the air cooled at the heat dissipation groove can be continuously entered into the cooling groove, the continuous cooling and shaping of the automobile gear can be realized, and the production efficiency of the automobile gear can be further improved.
Drawings
FIG. 1 is an elevational, cross-sectional view of the present invention;
FIG. 2 is a top cross-sectional view of the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 1 according to the present invention;
FIG. 4 is a top view of the internal structure of the jacking bin in the invention;
fig. 5 is a perspective view of the internal structure of the jacking bin of the invention.
The labels in the figure are: 1-base, 2-lower die, 3-lifting bin, 4-die cavity, 5-through groove, 6-U-shaped groove body, 7-sliding plate, 8-anti-drop block, 9-convex strip, 10-arc block, 11-motor, 12-rotating shaft, 13-gear, 14-L-shaped plate, 15-hydraulic cylinder, 16-lifting column, 17-upper die, 18-through hole, 19-radiating groove, 20-semiconductor refrigerating sheet, 21-water cooling head, 22-cold guide block, 23-first filter screen, 24-connecting hole, 25-cooling groove, 26-air outlet, 27-second filter screen, 28-air inlet pipe, 29-one-way valve, 30-third filter screen and 31-tooth.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
The following describes a forming mold and a forming process of an automobile gear according to an embodiment of the present invention in detail with reference to fig. 1 to 5.
Example (b):
referring to fig. 1, a forming die and a forming process for an automobile gear comprise a base 1, wherein the upper surface of the base 1 is fixedly connected with a lower die 2, the upper surface of the lower die 2 is provided with a cavity 4, and when the automobile gear is produced, injection molding raw materials of the automobile gear can be firstly introduced into the cavity 4; the right end of the upper surface of the base 1 is fixedly connected with an L-shaped plate 14, the lower surface of the top end of the L-shaped plate 14 is fixedly connected with a hydraulic cylinder 15, the lower surface of the hydraulic cylinder 15 is provided with a lifting column 16, the outer surface of one end, far away from the hydraulic cylinder 15, of the lifting column 16 is fixedly connected with an upper die 17, and the hydraulic cylinder 15 is started to enable the lifting column 16 to drive the upper die 17 to move downwards; the upper die 17 is positioned right above the cavity 4, the size of the outer diameter of the upper die 17 is matched with the size of the inner diameter of the cavity 4, and the upper die 17 moving downwards enters the cavity 4 to shape the injection molding raw material; the upper surface of the upper die 17 is provided with a plurality of through holes 18, and redundant raw materials can be extruded from the through holes 18, so that the injection molding raw materials of the automobile gear can be punched into an automobile gear model.
Referring to fig. 1 and 2, a heat dissipation groove 19 is formed in the outer surface of the left side of the lower die 2, a semiconductor refrigeration piece 20 is fixedly installed in the middle of the inner wall of the heat dissipation groove 19, a water cooling head 21 is arranged on the hot end surface of the left side of the semiconductor refrigeration piece 20, and the water cooling head 21 can dissipate heat of the semiconductor refrigeration piece 20 in a working state; semiconductor refrigeration piece 20's right side cold junction face is provided with cold guide block 22, lower mould 2 is close to the inside of die cavity 4 and is provided with cooling bath 25, cooling bath 25 encircles the outside of establishing at die cavity 4, and the inside appearance chamber of cooling bath 25 holds the chamber and is linked together through connecting hole 24 and radiating groove 19, after the moulding of car gear, can start semiconductor refrigeration piece 20 and make cold guide block 22 carry out rapid cooling to near air temperature, air after the cooling can enter into inside cooling bath 25 from connecting hole 24, it can carry out rapid cooling to the car gear after moulding to enter into the inside air current of cooling bath 25, so as to stereotype the car gear, improve the production efficiency to the car gear.
Referring to fig. 1 and 2, a first filter screen 23 is fixedly installed on the inner wall of the left end opening of the heat sink 19, and the first filter screen 23 can prevent dust in the outside air from entering the heat sink 19; an air inlet pipe 28 is fixedly communicated with an inner cavity at the right end of the heat dissipation groove 19, a third filter screen 30 is fixedly installed at an opening at one end, away from the heat dissipation groove 19, of the air inlet pipe 28, and the third filter screen 30 can prevent dust in external air from entering the air inlet pipe 28; the outer surface of the air inlet pipe 28 is provided with a one-way valve 29, and the opening of the one-way valve 29 can enable the external air to enter the vicinity of the cold guide block 22 inside the heat dissipation groove 19 from the air inlet pipe 28 so as to continuously supplement the air at the heat dissipation groove 19; the inside appearance chamber intercommunication of cooling bath 25 has venthole 26, and the one end opening part fixed mounting that cooling bath 25 was kept away from to venthole 26 has filter screen two 27, and enters into the inside cold air current of cooling bath 25 and can discharge from venthole 26 after the heat absorption to the air of radiating groove 19 department cooling continuously enters into inside the cooling bath 25, thereby realizes the continuous cooling design to the car gear, and then improves the production efficiency to the car gear.
Referring to fig. 1-5, a jacking bin 3 is arranged in the lower end of a lower die 2 close to a cavity 4, the jacking bin 3 is communicated with an inner cavity of the cavity 4 through a through groove 5, a U-shaped groove body 6 is fixedly connected to the inner side wall of the jacking bin 3, a sliding plate 7 is connected to the inner surface of the U-shaped groove body 6 in a sliding manner, and the two U-shaped groove bodies 6 can guide the sliding of the sliding plate 7; two ends of the upper surface of the sliding plate 7 are fixedly connected with anti-falling blocks 8, and the anti-falling blocks 8 can prevent the sliding plate 7 from falling off; outer fixed surface of slide 7 is connected with sand grip 9, the upper end surface of sand grip 9 extends into through 5 inside chambeies rear fixedly connected with arc piece 10 of groove, the both sides surface of arc piece 10 and the inner wall sliding connection who leads to groove 5, a side fixedly connected with tooth 31 of slide 7 is kept away from to sand grip 9, the inside wall fixedly connected with motor 11 in jacking storehouse 3, motor 11's output fixedly connected with axis of rotation 12, motor 11's one end fixedly connected with gear 13 is kept away from to axis of rotation 12, gear 13's surface meshes with tooth 31 mutually, starter motor 11 can make axis of rotation 12 drive gear 13 and rotate, and gear 13 can make sand grip 9 drive slide 7 at the medial surface of U type cell 6 upwards through engaged with tooth 31, rebound's sand grip 9 also can drive arc piece 10 and upwards move, arc piece 10 can slowly upwards slide in leading to the inslot 5, up to inside the gliding back of arc piece 10, alright in order to upwards jack up the car gear after will cooling the setting, the staff of being convenient for take, thereby reduce the degree of difficulty of taking out the car gear from injection mold in the production technology.
The application of the embodiment of the forming die and the forming process of the automobile gear comprises the following implementation principles:
when the device is used, an external power supply is connected firstly, then the injection molding raw material of the automobile gear is led into the cavity 4, the hydraulic cylinder 15 is started to enable the lifting column 16 to drive the upper die 17 to move downwards, the upper die 17 enters the cavity 4 to shape the injection molding raw material, and redundant raw materials can be extruded from the through hole 18 so as to punch the injection molding raw material of the automobile gear into an automobile gear model.
Then, the semiconductor refrigeration piece 20 is started to enable the cold guide block 22 to rapidly cool the air temperature inside the heat dissipation groove 19, the cooled air can enter the cooling groove 25 from the connecting hole 24, meanwhile, the one-way valve 29 is opened to enable the external air to enter the position near the cold guide block 22 inside the heat dissipation groove 19 from the air inlet pipe 28, so that the air at the position of the heat dissipation groove 19 can be continuously supplemented, the air flow entering the cooling groove 25 is convenient to rapidly cool and cool the molded automobile gear after absorbing heat, then the heat-absorbing air flow can be discharged from the air outlet hole 26, the air cooled at the position of the heat dissipation groove 19 continuously enters the cooling groove 25, continuous cooling and shaping of the automobile gear are achieved, and the production efficiency of the automobile gear is improved through the matching of the above structures.
When the automobile gear after will cooling the design is ejecting, can starting motor 11 make axis of rotation 12 drive gear 13 rotate, and gear 13 can make sand grip 9 drive the medial surface of 7U type cell bodies 6 of slide through the tooth 31 of engaged with upwards slide, upwards moving sand grip 9 also can drive arc piece 10 upward movement, arc piece 10 can be at logical 5 inside slowly upwards slides of groove, up to arc piece 10 upwards inside back of gliding into die cavity 4, just will cool off the automobile gear jack-up that the design was back, the staff of being convenient for takes, thereby reduce the degree of difficulty of taking out the automobile gear from injection mold in the production technology.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a forming die of automobile gear, includes base (1), its characterized in that: the utility model discloses a gear tooth machine, including base (1), last fixed surface is connected with lower mould (2) of base (1), die cavity (4) have been seted up to the upper surface of lower mould (2), lower mould (2) are close to jacking storehouse (3) have been seted up to the lower extreme inside of die cavity (4), jacking storehouse (3) with the inside appearance chamber of die cavity (4) is linked together through leading to groove (5), the relative inside wall fixedly connected with U type cell body (6) of jacking storehouse (3), the internal surface sliding connection of U type cell body (6) has slide (7), the external surface fixed surface of slide (7) is connected with sand grip (9), the upper end surface of sand grip (9) extends into lead to groove (5) inside appearance chamber back fixedly connected with arc piece (10), the both sides surface of arc piece (10) with the inner wall sliding connection who leads to groove (5), keep away from sand grip (9) a side fixedly connected with tooth (31) of slide (7), the inside wall fixedly connected with motor (11) of jacking storehouse (3), the fixed connection of output of motor (11) has rotation axis (12), the one end fixed rotation axis (11) is kept away from gear tooth (13) the meshing mutually.
2. The forming die of the automobile gear according to claim 1, characterized in that: the upper surface right end fixedly connected with L shaped plate (14) of base (1), the top lower surface fixedly connected with pneumatic cylinder (15) of L shaped plate (14), the lower surface of pneumatic cylinder (15) is provided with lift post (16), lift post (16) are kept away from mould (17) are gone up to the one end external fixed surface of pneumatic cylinder (15) fixedly connected with, go up the upper surface of mould (17) and seted up a plurality of through-holes (18).
3. The forming die of the automobile gear according to claim 1, characterized in that: radiating groove (19) have been seted up to the left side surface of lower mould (2), fixed mounting has semiconductor refrigeration piece (20) in the middle part of the inner wall of radiating groove (19), the left side hot junction face of semiconductor refrigeration piece (20) is provided with water-cooling head (21), the cold terminal surface in right side of semiconductor refrigeration piece (20) is provided with leads cold block (22).
4. The forming die of the automobile gear according to claim 3, characterized in that: the lower die (2) is close to the inner part of the cavity (4) and is provided with a cooling groove (25), the cooling groove (25) is annularly arranged on the outer side of the cavity (4), and the inner cavity of the cooling groove (25) is communicated with the inner cavity of the heat dissipation groove (19) through a connecting hole (24).
5. The mold for molding an automobile gear according to claim 3, wherein: an air inlet pipe (28) is fixedly communicated with an inner cavity of the right end of the heat dissipation groove (19), a one-way valve (29) is arranged on the outer surface of the air inlet pipe (28), and a filter screen III (30) is fixedly installed at an opening of one end of the heat dissipation groove (19) and is far away from the air inlet pipe (28).
6. The mold for molding an automobile gear according to claim 1, wherein: and a first filter screen (23) is fixedly mounted on the inner wall of the left end opening of the heat dissipation groove (19).
7. The mold for molding an automobile gear according to claim 4, wherein: an inner cavity of the cooling groove (25) is communicated with an air outlet hole (26), and a second filter screen (27) is fixedly mounted at an opening at one end, far away from the cooling groove (25), of the air outlet hole (26).
8. The forming die of the automobile gear according to claim 1, characterized in that: the upper die (17) is located right above the cavity (4), and the outer diameter of the upper die (17) is matched with the inner diameter of the cavity (4).
9. The mold for molding an automobile gear according to claim 1, wherein: the two ends of the upper surface of the sliding plate (7) are fixedly connected with anti-falling blocks (8).
10. A forming process of an automobile gear is characterized in that: the method comprises the following steps:
s1, introducing an injection molding raw material of an automobile gear into a cavity (4);
s2, the upper die (17) is driven to move downwards by the cooperation of the hydraulic cylinder (15) and the lifting column (16), the upper die (17) enters the cavity (4), injection molding raw materials can be molded at the moment, and redundant raw materials can be extruded from the through hole (18);
s3, after the shaping of the automobile gear is finished, the semiconductor refrigerating sheet (20) can be started to enable the cold guide block (22) to rapidly cool the temperature of the air nearby, the cooled air can enter the cooling groove (25) from the connecting hole (24), and the airflow entering the cooling groove (25) can rapidly cool the shaped automobile gear so as to shape the automobile gear;
s4, the upper die (17) is driven to move upwards to reset by the cooperation of the hydraulic cylinder (15) and the lifting column (16);
s5, start motor (11) makes axis of rotation (12) drive gear (13) are rotatory, and then make sand grip (9) drive slide (7) are in the medial surface of U type cell body (6) slides, rebound this moment sand grip (9) also can drive arc piece (10) upward movement to the car gear jack-up that makes things convenient for the staff of taking after will cooling the setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211476148.3A CN115891012A (en) | 2022-11-23 | 2022-11-23 | Forming die and forming process for automobile gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211476148.3A CN115891012A (en) | 2022-11-23 | 2022-11-23 | Forming die and forming process for automobile gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115891012A true CN115891012A (en) | 2023-04-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211476148.3A Pending CN115891012A (en) | 2022-11-23 | 2022-11-23 | Forming die and forming process for automobile gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115891012A (en) |
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| CN217777618U (en) * | 2022-04-07 | 2022-11-11 | 江苏荣泰模具有限公司 | A precision molding injection mold for automotive interior spare |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211307291U (en) * | 2019-12-16 | 2020-08-21 | 吴小红 | Anti-sticking film injection mold |
| CN212653799U (en) * | 2020-06-30 | 2021-03-05 | 青岛宁悦模具有限公司 | Motor car mould capable of being opened and closed quickly |
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| CN215434885U (en) * | 2021-06-11 | 2022-01-07 | 勐劢珂科技(苏州)有限公司 | Environment-friendly injection mold for lampshade bracket |
| CN114103002A (en) * | 2021-10-25 | 2022-03-01 | 常州市宝源汽车部件有限公司 | Injection mold is used in car light processing convenient to demolding |
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