CN115847741A - Core-pulling mechanism of injection mold - Google Patents
Core-pulling mechanism of injection mold Download PDFInfo
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- CN115847741A CN115847741A CN202310168888.9A CN202310168888A CN115847741A CN 115847741 A CN115847741 A CN 115847741A CN 202310168888 A CN202310168888 A CN 202310168888A CN 115847741 A CN115847741 A CN 115847741A
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Abstract
The invention discloses a core pulling mechanism of an injection mold, which comprises a core pulling component, a limiting component for keeping the core pulling component to slide and a driving component for changing the position of the core pulling component. The core pulling assembly consists of a core pulling rod and a core pulling block, a first retaining plate, a second retaining plate, a fixing plate, a hinge plate and a mounting plate are arranged in the limiting assembly, and a hinge rod, a driving rod and a sliding block are arranged in the driving assembly. The core-pulling mechanism of the injection mold adopts the mutual matching of the core-pulling block and the core-pulling rod to change the core-pulling depth and the final structure of the product. And the operation is simple and convenient, and the die does not need to be disassembled. The thickness of the local position of the product is adjusted. Simultaneously through control actuating lever and locking actuating lever that adjusting part can be accurate, avoid the mistake to touch and lead to the actuating lever to be rotated. The die can be suitable for different dies, the die manufacturing cost is reduced, and the debugging difficulty is reduced.
Description
Technical Field
The invention relates to a mold core-pulling technology, in particular to a core-pulling mechanism of an injection mold.
Background
At present, in the automobile industry, along with the increasingly strong aesthetic concept of people, different requirements are also placed on automobile interior decorations, and for one automobile type, the interior decorations can be designed differently according to the aesthetic concept of a user, so that different ornaments need to be embedded on the same interior trim part, or the ornaments are overlapped, and holes on the interior trim part are different in depth or have no holes.
In fact, no matter how deep the hole is in the part modeling, the integral wall thickness of the whole part formed by overlapping the front and the rear materials needs to be designed in the manufacturing process of the part, so that the investment cost is increased, the technical difficulty is high, and the manufacturing time is prolonged.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a core pulling mechanism of an injection mold.
The technical scheme of the invention is realized as follows:
a core-pulling mechanism of an injection mold is characterized by comprising a core-pulling component, a limiting component for keeping the core-pulling component to slide and a driving component for changing the position of the core-pulling component, wherein,
the core-pulling assembly consists of a core-pulling rod and a core-pulling block, the core-pulling rod is arranged in the core-pulling block, one side of the core-pulling block is provided with an arc-shaped groove,
the limiting assembly is provided with a first retaining plate, a second retaining plate, a fixing plate, a hinged plate and a mounting plate, the mounting plate is arranged at the upper ends of the first retaining plate, the second retaining plate, the fixing plate and the hinged plate, the fixing plate, the hinged plate and the core-pulling block are positioned between the first retaining plate and the second retaining plate, the hinged plate is positioned between the fixing plate and the core-pulling block, the fixing plate is in contact with the first retaining plate,
have hinge bar, actuating lever and sliding block among the drive assembly, the one end of hinge bar be equipped with arc wall complex bulb portion, the other end is equipped with a hinge hole, the sliding block is connected with the hinge bar in arranging the hinge hole in through the hinge shaft, the centre of fixed plate is equipped with one and holds the movable chamber that the sliding block removed, a positioning disk has on the actuating lever, a ladder groove that holds the positioning disk has on the mounting panel, the ladder piece that has fixed position disk in the ladder groove, the lower extreme of actuating lever is equipped with second screw thread portion, the centre of sliding block have with second screw thread portion complex second screw hole.
In the invention, the hinge joint is arranged in the middle of the hinge plate, hinge bulges symmetrically arranged are arranged in the middle of the hinge joint, and the hinge rod is positioned in the middle of the hinge bulges.
In the invention, the core pulling rod consists of a hexagonal part, a positioning part, a first threaded part and a core pulling part, the middle of the mounting plate is provided with a positioning hole for placing the positioning part, and the middle of the core pulling block is provided with a first threaded hole for accommodating the first threaded part and a core pulling hole for placing the core pulling part.
In the invention, a movable gap is reserved between the core-pulling block and the mounting plate.
In the present invention, the slide block is located in the movable chamber in the fixed plate, and an upper movable region is formed at the upper end of the slide block and a lower movable region is formed at the lower end of the slide block.
In the invention, the driving rod is provided with an adjusting component for adjusting the position of the sliding block,
the adjusting component is provided with a sliding sleeve sleeved on the driving rod, an adjusting wheel arranged on the sliding sleeve and a resetting piece positioned between the sliding sleeve and the step block,
the actuating lever is last to being equipped with installation section, free section and spacing section down in proper order from last, spacing section is located the upper end of positioning disk, the slip cap sets up on installation section, free section and spacing section.
In the invention, the diameter of the free section is smaller than the diameters of the mounting section and the limiting section, a conical surface is arranged at the joint of the free section and the limiting section, and the mounting section is provided with a stop block.
In the invention, the sliding sleeve is composed of a sliding part and a limiting part, the limiting part is provided with symmetrically arranged limiting holes, the limiting holes are provided with balls in the middle, the adjusting wheel is provided with a mounting hole matched with the limiting part in the middle, and the mounting hole is provided with a limiting groove for accommodating the balls.
In the present invention, the ball has a diameter of R, the restriction groove has a depth of R1, the restriction portion has a thickness of R2, and a distance between a maximum diameter of the stopper section and a maximum diameter of the free section is R3, R1= R2= R3, and R1= R/2.
In the invention, the inner wall of the sliding part is provided with a limiting bulge, and the surface of the limiting section is provided with a limiting recess matched with the limiting bulge.
The core-pulling mechanism of the injection mold has the following beneficial effects: the core pulling mechanism of the injection mold adopts the mutual matching of the core pulling block and the core pulling rod to realize the change of the core pulling depth and the change of the final structure of the product. And the operation is simple and convenient, and the die does not need to be disassembled. The thickness of the local position of the product is adjusted. Simultaneously through adjusting part can be accurate control actuating lever and locking actuating lever, avoid the mistake to touch and lead to the actuating lever to be rotated. The die can be suitable for different dies, the die manufacturing cost is reduced, and the debugging difficulty is reduced.
Drawings
Fig. 1 is a schematic structural view of a core-pulling mechanism of an injection mold according to the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 isbase:Sub>A cross-sectional view taken along linebase:Sub>A-base:Sub>A in fig. 2.
Fig. 4 is a partially enlarged view of fig. 3 at B.
Fig. 5 is a partially enlarged view of fig. 3 at C.
Fig. 6 is an exploded view of fig. 1.
Fig. 7 is another structural diagram of fig. 6.
FIG. 8 is a schematic diagram of the hinge plate of FIG. 6.
Fig. 9 is a perspective view of the mounting plate structure of fig. 6.
Fig. 10 is a schematic view of the adjustment assembly of fig. 6.
Fig. 11 is an exploded view of fig. 10.
Fig. 12 is a schematic view of the sliding sleeve structure in fig. 11.
Fig. 13 is a schematic view of the regulating wheel structure in fig. 11.
Fig. 14 is a schematic view of the drive rod of fig. 11.
Fig. 15 is a cross-sectional view of fig. 10.
Fig. 16 is another state diagram of fig. 15.
In the figure: the core back assembly 1, the limiting assembly 2, the driving assembly 3, the core back block 4, the core pulling rod 5, the adjusting assembly 6, the driving rod 7, the sliding block 8, the hexagonal portion 9, the positioning portion 10, the first threaded portion 11, the core back portion 12, the mounting plate 13, the positioning hole 14, the core pulling hole 15, the hinge rod 16, the first threaded hole 17, the arc-shaped groove 18, the hinge plate 19, the hinge port 20, the hinge protrusion 21, the first movable port 22, the second movable port 23, the first retaining plate 24, the second retaining plate 25, the fixed plate 26, the sector surface 27, the ball head portion 28, the hinge hole 29, the hinge shaft 30, the mounting section 31, the free section 32, the limiting section 33, the positioning plate 34, the connecting section 35, the second threaded portion 36, the movable chamber 37, the stepped groove 38, the stepped block 39, the through hole 40, the second threaded hole 41, the movable gap 42, the upper movable region 43, the lower movable region 44, the sliding sleeve 45, the adjusting wheel 46, the reset member 47, the tapered surface 48, the blocking block 49, the limiting region 50, the ball 51, the sliding portion 52, the limiting portion 53, the limiting portion 54, the limiting hole 54, the mounting hole 60, the limiting groove 62, the inclined surface 64, the limiting circular supporting groove 62, the inclined surface 64, the limiting groove 61, the limiting groove 62, and the limiting groove 61.
Detailed description of the preferred embodiments
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1 to 16, the core pulling mechanism of the injection mold of the present invention includes a core pulling assembly 1, a limiting assembly 2 for keeping the core pulling assembly 1 sliding, and a driving assembly 3 for changing the position of the core pulling assembly 1. The core pulling assembly 1 can change the depth of the product after being pulled, and set holes with different depths or reduce the number of the holes or increase the number of the holes so as to adapt to different types of products. The limiting component 2 can keep the core pulling component 1 to slide up and down only when sliding, and meanwhile, the core pulling component 1 is matched with the driving component 3 to slide in the middle of the limiting component 2, so that the heights of the core pulling block 4 and the core pulling rod 5 are changed, and the depth of the lower ends of the core pulling block 4 and the core pulling rod 5 in the cavity is changed.
In addition, the core pulling mechanism is also provided with an adjusting component 6, and the adjusting component 6 is connected with the core pulling component 1 and used for rotating the driving rod 7, so that the driving rod 7 drives the sliding block 8 to change the position, and the position change of the core pulling block 4 and the core pulling rod 5 is realized. The adjusting wheel 46 in the adjusting assembly 6 can be rotated according to different signals, so as to drive the driving rod 7 to rotate.
The core-pulling assembly 1 consists of a core-pulling rod 5 and a core-pulling block 4, wherein the core-pulling rod 5 is arranged in the core-pulling block 4. The core pulling rod 5 consists of a hexagonal part 9, a positioning part 10, a first threaded part 11 and a core pulling part 12, wherein a positioning hole 14 for placing the positioning part 10 is arranged in the middle of the mounting plate 13, and the diameter of the positioning hole 14 is slightly larger than that of the positioning part 10. The core block 4 has a first threaded hole 17 in the middle to receive the first threaded portion 11 and a core hole 15 to receive the core portion 12.
The bottom surface of the core block 4 may be provided with a desired pattern according to the actual requirements. The hinge rod 16 can move the core-pulling block 4, and the core-pulling rod 5 is arranged in the middle of the core-pulling block 4, so that the core-pulling block 4 can move the core-pulling rod 5 by one movement. And the core pulling rod 5 is in threaded connection with the core pulling block 4, so that the core pulling rod 5 can be arranged in the middle of the core pulling block 4 through the matching of the first threaded part 11 and the first threaded hole 17, and the core pulling distances of different depths can be separately adjusted by the core pulling block 4 and the core pulling rod 5.
To facilitate the movement of the core-pulling block 4 by the hinge rod 16, an arc-shaped groove 18 is provided on one side of the core-pulling block 4, and the arc angle of the arc-shaped groove 18 is a major arc, i.e. greater than 180 °.
The hinge plate 19 has a hinge opening 20 in the middle, the hinge opening 20 has a hinge protrusion 21 symmetrically disposed in the middle, and the hinge rod 16 is located in the middle of the hinge protrusion 21. The hinge port 20 is divided by the hinge protrusion 21 to form a first movable port 22 and a second movable port 23. The hinge lever 16 is in line contact with the hinge protrusions 21 to keep the hinge lever 16 rotated in the hinge opening 20 about the contact portion between the hinge protrusions 21. One end of the hinge lever 16 is moved up and down in the first moving port 22, and the other end is moved up and down in the second moving port 23. And the inner wall of the hinge opening 20 may limit the rotation angle of the hinge lever 16 by a maximum angle.
The stop assembly 2, having a first retaining plate 24, a second retaining plate 25, a fixed plate 26, a hinge plate 19 and a mounting plate 13, is disposed intermediate the cope plate so that the adjustment assembly 6 at the upper end can be disposed externally, while the first retaining plate 24, the second retaining plate 25, the fixed plate 26, the hinge plate 19 and the core block 4 can be interfaced with the die cavity. The mounting plate 13 is disposed at the upper ends of the first retaining plate 24, the second retaining plate 25, the fixed plate 26 and the hinge plate 19. The fixed plate 26, the hinge plate 19 and the core block 4 are located between the first retaining plate 24 and the second retaining plate 25, the hinge plate 19 is located between the fixed plate 26 and the core block 4, and the fixed plate 26 is in contact with the first retaining plate 24.
The first holding plate 24, the second holding plate 25, the fixed plate 26, and the hinge plate 19 are connected to the mounting plate 13 by bolts, and the holding position is fixed. The core block 4 is arranged between the hinge plate 19 and the second retaining plate 25, so that the core block 4 can slide in between.
The driving assembly 3 is provided with a hinge rod 16, a driving rod 7 and a sliding block 8, one end of the hinge rod 16 is provided with a ball head 28 matched with the arc-shaped groove 18, and the other end of the hinge rod is provided with a hinge hole 29, and the hinge hole 29 is a strip-shaped hole. The sliding block 8 is connected with the hinge rod 16 by being disposed in the hinge hole 29 through the hinge shaft 30, and the hinge shaft 30 can move the hinge shaft 30 in the hinge hole 29 when the hinge rod 16 is driven to move up and down.
The driving rod 7 is composed of an installation section 31, a free section 32, a limiting section 33, a positioning disc 34, a connecting section 35 and a second thread part 36 from top to bottom in sequence.
A movable chamber 37 for accommodating the movement of the slide block 8 is provided in the middle of the fixed plate 26, and the movable chamber 37 is in contact with the hinge plate 19. The driving rod 7 is provided with a positioning disc 34, the mounting plate 13 is provided with a step groove 38 for accommodating the positioning disc 34, a step block 39 for fixing the positioning disc 34 is arranged in the step groove 38, the step block 39 can be connected with the mounting plate 13 through a bolt, and the positioning disc 34 is fixed in the step groove 38 through the step block 39, so that the positioning disc is in a state of only being capable of rotating and cannot move up and down. A through hole 40 for accommodating the connecting section 35 is further formed at the lower end of the stepped groove 38, and the diameter of the through hole 40 is slightly larger than that of the connecting section 35.
The lower end of the driving rod 7 is provided with a second thread part 36, the middle of the sliding block 8 is provided with a second threaded hole 41 matched with the second thread part 36, and the length of the second threaded hole 41 is larger than that of the second thread part 36.
A movable gap 42 is left between the core-pulling block 4 and the mounting plate 13, and the movable gap 42 is used for enabling the core-pulling block 4 to move upwards so that a cavity at the lower end is enlarged.
The slide block 8 is located in the movable chamber 37 in the fixed plate 26, and an upper movable region 43 is formed at the upper end of the slide block 8 and a lower movable region 44 is formed at the lower end. The upper and lower active areas 43 and 44 are spaces for allowing the slider 8 to move up or down.
The driving rod 7 is provided with an adjusting component 6 for adjusting the position of the sliding block 8, the adjusting component 6 is provided with a sliding sleeve 45 sleeved on the driving rod 7, an adjusting wheel 46 arranged on the sliding sleeve 45 and a resetting piece 47 positioned between the sliding sleeve 45 and the step block 39, and the resetting piece 47 is a spring.
The driving rod 7 is sequentially provided with an installation section 31, a free section 32 and a limiting section 33 from top to bottom, the limiting section 33 is positioned at the upper end of the positioning disc 34, and the sliding sleeve 45 is arranged on the installation section 31, the free section 32 and the limiting section 33. The diameter of the free section 32 is smaller than the diameters of the mounting section 31 and the limiting section 33, and a conical surface 48 is arranged at the joint of the free section 32 and the limiting section 33. The mounting section 31 has a stop 49 thereon, the stop 49 is connected to the mounting section 31 by a bolt, and the stop 49 is used for limiting the pushing distance of the reset piece 47 to the sliding sleeve 45.
Due to the difference in diameter between the stop section 33 and the free section 32, a limiting region 50 is formed between the mounting section 31 and the stop section 33, which limiting region 50 serves to limit the balls 51.
The sliding sleeve 45 is composed of a sliding part 52 and a limiting part 53, the limiting part 53 is provided with symmetrically arranged limiting holes 54, the middle of each limiting hole 54 is provided with a ball 51, the middle of the sliding sleeve 45 is provided with a matching hole 55 for installing the driving rod 7, the middle of the adjusting wheel 46 is provided with a mounting hole 56 matched with the limiting part 53, and the mounting hole 56 is provided with a limiting groove 57 for accommodating the ball 51. The diameter of the ball 51 is R, the depth of the restriction groove 57 is R1, the thickness of the restriction portion 53 is R2, and the distance between the maximum diameter of the stopper section 33 and the maximum diameter of the free section 32 is R3, R1= R2= R3, and R1= R/2.
As shown in fig. 12, in order to make the restoring member 47 push the sliding sleeve 45 to move, the balls 51 can enter the limiting area 50, and the limiting hole 54 has an inclined surface 58 facing the fitting hole 55, and the inclined surface 58 facilitates the balls 51 to roll into the limiting area 50.
The adjustment wheel 46 is composed of a rotation portion 59, a connecting rod 60 and a circular ring portion 61, and the rotation portion 59 has a mounting hole 56 and a restriction groove 57 in the middle.
The restricting portion 53 has a support surface 62 thereon, and the support surface 62 is used to support the rotating portion 59 so that the rotating portion 59 can rotate on the support surface 62.
The inner wall of the sliding part 52 is provided with a limiting bulge 63, the limiting bulge 63 is arranged on the inner wall of the matching hole 55, and the surface of the limiting section 33 is provided with a limiting recess 64 matched with the limiting bulge 63. The matching of the limiting protrusion 63 and the limiting recess 64 can enable the sliding sleeve 45 to drive the driving rod 7 to rotate together. And facilitates the movement of the ball 51, and a sector 27 engaged with the tapered surface 48 is provided at the upper end of the stopper projection 63.
When the balls 51 are located in the limiting holes 54 and the limiting areas 50, that is, one half of the balls 51 are located in the limiting holes 54, and the other half of the balls 51 are located in the limiting areas 50, the balls 51 do not enter the limiting grooves 57, so that the adjusting wheel 46 cannot drive the balls 51 to rotate together when the adjusting wheel 46 is rotated.
When the adjusting wheel 46 is pressed downwards, the sliding sleeve 45 drives the ball 51 to move downwards, the reset piece 47 is compressed, the ball 51 moves along the conical surface 48, the free section 32 with the smaller diameter moves to the limiting section 33 with the larger diameter, the ball 51 is extruded into the limiting groove 57 and the limiting hole 54, the limiting area 50 is separated from the constraint, the adjusting wheel 46 is rotated to drive the ball 51 to rotate, the ball 51 drives the sliding sleeve 45 to rotate, and the sliding sleeve 45 drives the driving rod 7 to rotate through the matching of the limiting protrusion 63 and the limiting recess 64. The driving rod 7 realizes the sliding of the sliding block 8 in the movable chamber 37 through the matching of the second thread part 36 and the second thread hole 41, and the position of the sliding block 8 is changed.
Of course, in actual production, in order to facilitate the rotation angle of the adjusting wheel 46, an indicating arrow is arranged on the limiting section 33, and an angle mark is arranged on the step block 39, so that the rotation angle of the driving rod 7 can be conveniently observed, and the sliding distance of the sliding block 8 can be obtained.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A core-pulling mechanism of an injection mold is characterized by comprising a core-pulling component, a limiting component for keeping the core-pulling component to slide and a driving component for changing the position of the core-pulling component, wherein,
the core-pulling assembly consists of a core-pulling rod and a core-pulling block, the core-pulling rod is arranged in the core-pulling block, one side of the core-pulling block is provided with an arc-shaped groove,
the limiting assembly is provided with a first retaining plate, a second retaining plate, a fixing plate, a hinged plate and a mounting plate, the mounting plate is arranged at the upper ends of the first retaining plate, the second retaining plate, the fixing plate and the hinged plate, the fixing plate, the hinged plate and the core-pulling block are positioned between the first retaining plate and the second retaining plate, the hinged plate is positioned between the fixing plate and the core-pulling block, the fixing plate is in contact with the first retaining plate,
have hinge bar, actuating lever and sliding block among the drive assembly, the one end of hinge bar be equipped with arc wall complex bulb portion, the other end is equipped with a hinge hole, the sliding block is connected with the hinge bar in arranging the hinge hole in through the articulated shaft, the centre of fixed plate is equipped with a studio that holds the sliding block and remove, a positioning disk has on the actuating lever, a ladder groove that holds the positioning disk has on the mounting panel, the ladder piece that has fixed position disk in the ladder groove, the lower extreme of actuating lever is equipped with second screw thread portion, the centre of sliding block have with second screw thread portion complex second screw hole.
2. The core pulling mechanism of an injection mold according to claim 1, wherein the hinge plates have hinge joints in the middle, the hinge joints have hinge protrusions symmetrically arranged in the middle, and the hinge rods are located in the middle of the hinge protrusions.
3. The core pulling mechanism of an injection mold according to claim 1, wherein the core pulling bar is composed of a hexagonal part, a positioning part, a first threaded part and a core pulling part, the mounting plate has a positioning hole in the middle for placing the positioning part, and the core pulling block has a first threaded hole in the middle for receiving the first threaded part and a core pulling hole for placing the core pulling part.
4. The core-pulling mechanism of an injection mold according to claim 1, wherein a movable gap is left between the core-pulling block and the mounting plate.
5. The core-pulling mechanism for an injection mold according to claim 1, wherein the sliding block is located in a movable chamber in the fixed plate, an upper movable region being formed at an upper end of the sliding block, and a lower movable region being formed at a lower end thereof.
6. The core-pulling mechanism of an injection mold according to claim 1, wherein the driving rod is provided with an adjusting component for adjusting the position of the sliding block,
the adjusting component is provided with a sliding sleeve sleeved on the driving rod, an adjusting wheel arranged on the sliding sleeve and a resetting piece positioned between the sliding sleeve and the step block,
the actuating lever is last to being equipped with installation section, free section and spacing section down in proper order from last, spacing section is located the upper end of positioning disk, the slip cap sets up on installation section, free section and spacing section.
7. The core pulling mechanism of an injection mold according to claim 6, wherein the diameter of the free section is smaller than the diameters of the mounting section and the limiting section, a conical surface is arranged at the joint of the free section and the limiting section, and the mounting section is provided with a blocking block.
8. The core pulling mechanism of the injection mold according to claim 6, wherein the sliding sleeve is composed of a sliding part and a limiting part, the limiting part is provided with symmetrically arranged limiting holes, the limiting holes are provided with balls in the middle, the adjusting wheel is provided with a mounting hole matched with the limiting part in the middle, and the mounting hole is provided with a limiting groove for accommodating the balls.
9. The core pulling mechanism of an injection mold according to claim 8, wherein the ball has a diameter of R, the restriction groove has a depth of R1, the restriction portion has a thickness of R2, and a distance between a maximum diameter of the stopper section and a maximum diameter of the free section is R3, R1= R2= R3, R1= R/2.
10. The core pulling mechanism of an injection mold according to claim 8, wherein the inner wall of the sliding part has a limiting protrusion, and the surface of the limiting segment has a limiting recess matching with the limiting protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310168888.9A CN115847741B (en) | 2023-02-27 | 2023-02-27 | Core pulling mechanism of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310168888.9A CN115847741B (en) | 2023-02-27 | 2023-02-27 | Core pulling mechanism of injection mold |
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| CN115847741A true CN115847741A (en) | 2023-03-28 |
| CN115847741B CN115847741B (en) | 2023-05-16 |
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|---|---|---|---|
| CN202310168888.9A Active CN115847741B (en) | 2023-02-27 | 2023-02-27 | Core pulling mechanism of injection mold |
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| CN218160063U (en) * | 2022-08-25 | 2022-12-27 | 佛山市顺德区诺维电器有限公司 | Improved structure of misoperation-preventing knob control switch |
| CN218453156U (en) * | 2022-10-10 | 2023-02-07 | 台州黄岩鼎盛机动车有限公司 | Front panel injection mold |
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| US20070172539A1 (en) * | 2006-01-24 | 2007-07-26 | Chiang-Chang Wang | Core-pulling mechanism and injection mold with the same |
| CN203973964U (en) * | 2014-06-30 | 2014-12-03 | 圣美精密工业(昆山)有限公司 | Mold slanted core-pulling mechanism |
| CN204347682U (en) * | 2014-12-18 | 2015-05-20 | 浙江华东光电仪器有限公司 | A kind of rotation hand wheel with lock function |
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| CN207448999U (en) * | 2017-10-20 | 2018-06-05 | 浙江正立塑模有限公司 | A kind of anti-sticking mold mechanism of injection mould slide block oblique top |
| CN110185716A (en) * | 2019-06-02 | 2019-08-30 | 施博尔集团股份有限公司 | A kind of self-locking mutual protection device of electric operator handwheel |
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| Publication number | Publication date |
|---|---|
| CN115847741B (en) | 2023-05-16 |
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