CN219947147U - Gear core pulling mechanism of injection mold - Google Patents

Gear core pulling mechanism of injection mold Download PDF

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Publication number
CN219947147U
CN219947147U CN202321199234.4U CN202321199234U CN219947147U CN 219947147 U CN219947147 U CN 219947147U CN 202321199234 U CN202321199234 U CN 202321199234U CN 219947147 U CN219947147 U CN 219947147U
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China
Prior art keywords
gear
base
groove
fixedly connected
core
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Active
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CN202321199234.4U
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Chinese (zh)
Inventor
武金玺
高莉
任志强
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Changzhou Haote Plastic Industry Co ltd
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Changzhou Haote Plastic Industry Co ltd
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Abstract

The utility model relates to a gear core pulling mechanism of an injection mold, which belongs to the technical field of injection molds and comprises a base, wherein two sliding rods are connected inside the base in a sliding manner, one ends of the two sliding rods are respectively and fixedly connected with a mold base and a mold top plate, a gear groove is formed inside the mold base, a blocking groove is formed in the bottom of the inner wall of the gear groove, a connecting screw is fixedly connected to the inner wall of the blocking groove, and a core body is arranged inside the blocking groove. Through base, slide bar, mould base, mould roof, gear groove, fender groove, connecting screw, core, connection screw, baffle and adjusting part's cooperation use to can be convenient for through rotating core and baffle rotation, under the effect of screw thread, promote core, baffle upper slide, can be convenient for release the inside in gear groove to fashioned gear of moulding plastics through the baffle, thereby can be convenient for realize carrying out the drawing of patterns effect to fashioned gear of moulding plastics when extracting fast to the core.

Description

Gear core pulling mechanism of injection mold
Technical Field
The utility model relates to the technical field of injection molds, in particular to a gear core pulling mechanism of an injection mold.
Background
The injection mold is a tool for producing plastic products; is also a tool for endowing plastic products with complete structure and precise dimensions. Injection molding is a process used in mass production of parts of complex shape. The method specifically refers to injecting heated and melted plastic into a die cavity under high pressure by an injection molding machine, and cooling and solidifying the plastic to obtain a formed product, wherein the gear is generally injection molded by an injection mold during processing and manufacturing.
The injection mold in the prior art needs to increase the core body to the center of the injection gear when injection molding the gear, so that the center of the gear is formed into a through hole, and the injection mold in the prior art needs to detach the core body inside the injection mold simultaneously after injection molding the gear, so that the center of the injection gear and the core body can be extracted more rapidly, the demolding efficiency between the injection gear and the injection core body is improved, and the gear core pulling mechanism of the injection mold is provided.
Disclosure of Invention
In order to solve the problems, the utility model provides a gear core pulling mechanism of an injection mold, which is provided with a core body for quickly replacing and disassembling the injection mold, so that the situation that the injection gear and the core body are difficult to disassemble is avoided.
The technical scheme of the utility model is as follows: the utility model provides a gear mechanism of loosing core of injection mold, includes the base, the inside sliding connection of base has two slide bars, two the one end of slide bar is fixedly connected with mould base and mould roof respectively, gear groove has been seted up to the inside of mould base, keep off the groove has been seted up to the bottom of gear groove inner wall, the inner wall fixedly connected with connecting screw who keeps off the groove, the inside that keeps off the groove is equipped with the core, the connecting screw has been seted up to the bottom of core, connecting screw's one end threaded connection is in the inside of connecting screw, the fixed baffle that has cup jointed in bottom of core, the inside of base is equipped with adjusting part.
In further technical scheme, the ring channel has been seted up to the bottom of gear groove inner wall, two arc grooves have been seted up to the inside of ring channel, the inside sliding connection of arc groove has the arc sand grip, two the equal fixedly connected with annular roof in top of arc sand grip, the inside of arc groove is equipped with ejecting subassembly.
In a further technical scheme, the adjusting assembly comprises a driving motor fixedly connected to the top of the base, an output shaft of the driving motor is fixedly connected with a bidirectional screw rod through a coupler, two adjusting screw sleeves are sleeved on the surface threads of the bidirectional screw rod, and one sides of the two adjusting screw sleeves are fixedly connected with the sliding rod.
In a further technical scheme, the ejecting assembly comprises an ejecting screw rod rotationally connected to the bottom of the arc-shaped convex strip, one end of the ejecting screw rod is in threaded connection with the inside of the die base, and one end of the ejecting screw rod is fixedly connected with an adjusting handle.
In a further technical scheme, the bottom of the die top plate is fixedly connected with a positioning rod, a positioning hole is formed in the core body, and one end of the positioning rod is inserted into the positioning hole.
In a further technical scheme, the upper surface of base has seted up spacing through-hole, the bottom fixedly connected with gag lever post of mould base, the one end sliding connection of gag lever post is in the inside of spacing through-hole.
In a further technical scheme, a sliding port is formed in one side of the base, and one ends of the two sliding rods are connected in the sliding port in a sliding mode.
The beneficial effects of the utility model are as follows:
1. the die comprises a base, a slide bar, a die base, a die top plate, a gear groove, a baffle groove, a connecting screw rod, a core body, a connecting screw hole, a baffle plate and an adjusting component, wherein the core body and the baffle plate can be conveniently rotated through rotation, the core body and the baffle plate are pushed to slide upwards under the action of threads, the formed injection molding gear can be conveniently pushed out of the gear groove through the baffle plate, and thus the core body can be conveniently and rapidly extracted, and the demoulding effect on the formed injection molding gear can be realized;
2. through the cooperation of ring channel, arc wall, arc sand grip, arc roof and ejecting subassembly use to can be convenient for realize carrying out ejecting gear groove's effect to fashioned gear, realize drawing of patterns to fashioned gear fast, can be convenient for spacing to the position of mould base through spacing through-hole and gag lever post.
Drawings
FIG. 1 is a schematic overall structure of an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of the internal structure of a mold base according to an embodiment of the present utility model;
FIG. 3 is a schematic view of an adjustment assembly according to an embodiment of the present utility model;
FIG. 4 is a cross-sectional view of the internal structure of the core of an embodiment of the present utility model;
fig. 5 is an enlarged view of the structure at a in fig. 1 according to an embodiment of the present utility model.
Reference numerals illustrate:
1. a base; 2. a slide bar; 3. a mold base; 4. a top plate of the mold; 5. a gear groove; 6. a blocking groove; 7. a connecting screw; 8. a core; 9. a connecting screw hole; 10. a baffle; 11. an annular groove; 12. an arc-shaped groove; 13. arc convex strips; 14. an annular top plate; 15. a driving motor; 16. a bidirectional screw; 17. adjusting the screw sleeve; 18. an ejector screw; 19. an adjusting handle; 20. positioning holes; 21. limiting through holes; 22. a limit rod; 23. and sliding the mouth.
Detailed Description
Embodiments of the present utility model are further described below with reference to the accompanying drawings.
Examples:
as shown in fig. 1-5, a gear core pulling mechanism of an injection mold comprises a base 1, two slide bars 2 are slidably connected in the interior of the base 1, one ends of the two slide bars 2 are fixedly connected with a mold base 3 and a mold top plate 4 respectively, a gear groove 5 is formed in the interior of the mold base 3, a baffle groove 6 is formed in the bottom of the inner wall of the gear groove 5, a connecting screw rod 7 is fixedly connected to the inner wall of the baffle groove 6, a core 8 is arranged in the interior of the baffle groove 6, a connecting screw hole 9 is formed in the bottom of the core 8, the core 8 and the mold base 3 can be quickly connected, one end of the connecting screw rod 7 is in threaded connection with the interior of the connecting screw hole 9, a baffle plate 10 is fixedly sleeved at the bottom of the core 8, an adjusting assembly is arranged in the interior of the base 1, the adjusting assembly comprises a driving motor 15 fixedly connected to the top of the base 1 and used for providing power, an output shaft of the driving motor 15 is fixedly connected with a bidirectional screw rod 16 through a coupling and used for adjusting between the mold base 3 and the mold top plate 4, two adjusting screw sleeves 17 are sleeved on the surfaces of the bidirectional screw rod 16, one sides of the two adjusting screw rods 17 are fixedly connected with the mold top plate 4, one ends of the two adjusting screw rods are fixedly connected with the mold top plate 2, one end of the connecting screw rod 20 is fixedly connected with the mold top plate 4, and the positioning rod 20 is fixedly connected with the positioning rod is provided with the positioning rod and the positioning rod 4.
The working principle of the technical scheme is as follows:
the bidirectional screw 16 is driven to rotate by starting the driving motor 15, and the two adjusting screw sleeves 17 are driven to slide in opposite directions under the action of threads, so that the sliding rod 2, the die base 3 and the die top plate 4 can be conveniently driven to collide and separate, the injection molding gear can be conveniently demoulded, when the core body is pulled out of the center of the molding gear, the core body 8 and the baffle 10 are rotated, the core body 8 and the baffle 10 are pushed to slide upwards under the action of the threads, the inside of the gear groove 5 can be conveniently pushed out of the molded injection molding gear through the baffle 10, and the injection molding gear can be conveniently demoulded when the core body 8 is rapidly extracted.
In another embodiment, as shown in fig. 1, fig. 2 and fig. 5, an annular groove 11 is formed in the bottom of the inner wall of the gear groove 5, two arc grooves 12 are formed in the annular groove 11, arc convex strips 13 are connected in a sliding manner in the arc grooves 12, annular top plates 14 are fixedly connected to the top ends of the two arc convex strips 13 and used for carrying out ejection on formed gears, an ejection assembly is arranged in the arc grooves 12 and comprises an ejection screw 18 rotationally connected to the bottom of the arc convex strips 13 and used for pushing the annular top plates 14 to slide, one end of the ejection screw 18 is in threaded connection with the inside of the mold base 3, an adjusting handle 19 is fixedly connected to one end of the ejection screw 18, a sliding port 23 is formed in one side of the base 1, and one ends of the two sliding rods 2 are in sliding connection with the inside of the sliding port 23.
The ejector screw 18 is driven to rotate by rotating the adjusting handle 19, and the arc-shaped raised strips 13 and the annular top plate 14 are pushed to slide upwards under the action of threads, so that the action of ejecting the gear groove 5 on the formed gear can be conveniently realized, and the rapid demoulding of the formed gear is realized.
In another embodiment, as shown in fig. 1, the upper surface of the base 1 is provided with a limiting through hole 21, the bottom of the mold base 3 is fixedly connected with a limiting rod 22, and one end of the limiting rod 22 is slidably connected inside the limiting through hole 21.
One end of the limiting rod 22 is slidably connected to the inside of the limiting through hole 21, so that the position of the die base 3 can be conveniently limited.
The foregoing examples merely illustrate specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims (7)

1. The utility model provides a gear mechanism of loosing core of injection mold, includes base (1), its characterized in that: the inside sliding connection of base (1) has two slide bars (2), two the one end of slide bar (2) is fixedly connected with mould base (3) and mould roof (4) respectively, gear groove (5) have been seted up to the inside of mould base (3), keep off groove (6) have been seted up to the bottom of gear groove (5) inner wall, the inner wall fixedly connected with connecting screw (7) that keeps off groove (6), the inside that keeps off groove (6) is equipped with core (8), connecting screw (9) have been seted up to the bottom of core (8), the one end threaded connection of connecting screw (7) is in the inside of connecting screw (9), baffle (10) have been cup jointed to the bottom of core (8), the inside of base (1) is equipped with adjusting part.
2. The gear core pulling mechanism of an injection mold according to claim 1, wherein: annular groove (11) have been seted up to the bottom of gear groove (5) inner wall, two arc grooves (12) have been seted up to the inside of annular groove (11), the inside sliding connection of arc groove (12) has arc sand grip (13), two equal fixedly connected with annular roof (14) in top of arc sand grip (13), the inside of arc groove (12) is equipped with ejecting subassembly.
3. The gear core pulling mechanism of an injection mold according to claim 1, wherein: the adjusting assembly comprises a driving motor (15) fixedly connected to the top of the base (1), an output shaft of the driving motor (15) is fixedly connected with a bidirectional screw rod (16) through a coupler, two adjusting screw sleeves (17) are sleeved on the surface threads of the bidirectional screw rod (16), and one sides of the two adjusting screw sleeves (17) are fixedly connected with the sliding rod (2).
4. The gear core pulling mechanism of an injection mold according to claim 2, wherein: the ejection assembly comprises an ejection screw (18) rotatably connected to the bottom of the arc-shaped raised line (13), one end of the ejection screw (18) is in threaded connection with the inside of the die base (3), and one end of the ejection screw (18) is fixedly connected with an adjusting handle (19).
5. The gear core pulling mechanism of an injection mold according to claim 1, wherein: the bottom of the die top plate (4) is fixedly connected with a positioning rod, a positioning hole (20) is formed in the core body (8), and one end of the positioning rod is inserted into the positioning hole (20).
6. The gear core pulling mechanism of an injection mold according to claim 1, wherein: limiting through holes (21) are formed in the upper surface of the base (1), limiting rods (22) are fixedly connected to the bottom of the die base (3), and one ends of the limiting rods (22) are slidably connected to the inside of the limiting through holes (21).
7. The gear core pulling mechanism of an injection mold according to claim 1, wherein: one side of the base (1) is provided with a sliding opening (23), and one ends of the two sliding rods (2) are connected in a sliding mode in the sliding opening (23).
CN202321199234.4U 2023-05-18 2023-05-18 Gear core pulling mechanism of injection mold Active CN219947147U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321199234.4U CN219947147U (en) 2023-05-18 2023-05-18 Gear core pulling mechanism of injection mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321199234.4U CN219947147U (en) 2023-05-18 2023-05-18 Gear core pulling mechanism of injection mold

Publications (1)

Publication Number Publication Date
CN219947147U true CN219947147U (en) 2023-11-03

Family

ID=88546769

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321199234.4U Active CN219947147U (en) 2023-05-18 2023-05-18 Gear core pulling mechanism of injection mold

Country Status (1)

Country Link
CN (1) CN219947147U (en)

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