CN215550306U - Core box mould take out block structure - Google Patents

Core box mould take out block structure Download PDF

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Publication number
CN215550306U
CN215550306U CN202121502762.3U CN202121502762U CN215550306U CN 215550306 U CN215550306 U CN 215550306U CN 202121502762 U CN202121502762 U CN 202121502762U CN 215550306 U CN215550306 U CN 215550306U
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Prior art keywords
block
mould
static
drawing block
mold
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CN202121502762.3U
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Chinese (zh)
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郑浩亮
耿前程
王松松
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Ningbo Qiangsheng Machinery & Moulds Co ltd
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Ningbo Qiangsheng Machinery & Moulds Co ltd
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Abstract

The utility model discloses a block pulling structure of a core box mold, which comprises a pulling block (1), a guide block (2) and a pulling block suspender (3); in a die closing state, the convex block (1.1) extends into a die cavity (4), the pulling block (1) is located at the highest position, and the first guide surface (1.3) is attached to the second guide surface (2.1); in the mold opening state, the drawing block (1) slides downwards along the second guide surface (2.1) under the action of the gravity of the drawing block until the bump (1.1) completely extends out of the bottom of the mold cavity (4), and the drawing block (1) is located at the lowest position. The mould realizes core pulling through the self gravity of the drawing block and completes resetting of the drawing block through die assembly, the structure is simple, the reliability is good, and the appearance size and the manufacturing cost of the mould are reduced.

Description

Core box mould take out block structure
Technical Field
The utility model relates to the technical field of molds, in particular to a drawing block structure of a core box mold.
Background
When the core box is poured, the bottoms of some products are provided with holes, so that demoulding cannot be finished by moving the movable mould, and thus the core box is required to be finished by a block pulling mechanism. The existing block-pulling structure usually needs a complex structure to realize, that is, in addition to increasing the block-pulling, a driving mechanism and a reset mechanism for driving the block-pulling are also needed, so that excessive mold space is occupied, the size of the whole mold is increased, and the complexity and cost of the mold are also increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a core box mould pulling block structure which realizes core pulling through the self gravity of the pulling block and completes resetting of the pulling block through mould closing, has simple structure and good reliability, and reduces the appearance size and the manufacturing cost of the mould.
The technical scheme of the utility model is that the utility model provides a drawing block structure of a core box die, which comprises a drawing block, a guide block and a drawing block suspender; the top of the drawing block is provided with a convex block for drawing the core of the bottom of the product, and the convex block extends into the bottom of the die cavity in a die closing state and extends out of the bottom of the die cavity in a die opening state; the drawing block is arranged on the movable template, synchronously transversely slides with the movable template and vertically slides along the movable template, a long hole is formed in the middle of the drawing block, and an inclined first guide surface is arranged at the bottom of the drawing block; the drawing block suspender is fixed on the movable template, the drawing block penetrates through the long hole, the guide block is arranged at the bottom of the static template, part of the guide block extends out of the side surface of the static template, and the top surface of the extending part of the guide block is provided with an inclined second guide surface; in the die opening state, the drawing block slides downwards along the second guide surface under the action of self gravity until the convex block completely extends out of the bottom of the die cavity, and the drawing block is located at the lowest position.
The movable mould plate is provided with a first groove, the static mould plate is provided with a second groove, the first groove and the second groove are located at the same height, the outer wall of the upper portion of the drawing block is provided with a step surface, and one side of the step surface abuts against the top surface of the first groove and the other side of the step surface abuts against the top surface of the second groove in a mould closing state.
The long hole is a counter bore, the inner diameter of the outer end is larger than that of the inner end, and the block pulling suspender comprises a head with a larger outer diameter and a body with a smaller outer diameter; the body of the drawing block hanging rod penetrates through the inner end of the long hole, and the head part of the drawing block hanging rod is located at the outer end of the long hole.
The mould is characterized in that a static mould locking block is arranged on the static mould plate, a drawing block locking block is arranged on the drawing block, the inclined plane at the top of the static mould locking block is attached to the inclined plane at the bottom of the drawing block locking block in a mould closing state so as to be locked, and the static mould locking block and the drawing block locking block are separated in a mould opening state.
And the static mould plate is provided with a static mould spring, a static mould top core plate and a plurality of top core rods, the static mould spring pushes the static mould top core plate, and the static mould top core plate pushes all the top core rods to remove the top of the product subjected to pouring molding and demoulding.
After adopting the structure, compared with the prior art, the utility model has the following advantages: the top of the pulling block is provided with a convex block for pulling the bottom of the product, the convex block extends into or out of the bottom of the mold cavity, and the hole at the bottom of the product is pulled by the extension and the extension of the convex block; in the compound die state, the lug stretches into the mould die cavity, at the die sinking state, take out the piece and slide down along the second guiding surface under self action of gravity, also can rely on the gravity lapse of self when the die sinking and realize loosing core exactly, and need not rely on solitary actuating mechanism to realize, this simple structure, the reliability is splendid, can reduce the overall dimension and the cost of manufacture of mould, take out the gliding direction of piece and then rely on first guiding surface and second guiding surface and take out the direction of piece and slot hole, can both guarantee to take out the accurate slip and the reset of piece.
Drawings
FIG. 1 is a schematic view of the poured product of the core box mold of the present invention.
FIG. 2 is a schematic view from perspective one of an exploded view of a portion of a core box mold of the present invention.
FIG. 3 is a schematic view of a second perspective of an exploded view of a portion of a core box mold of the present invention.
Fig. 4 is a schematic view of a mold clamping state of the core box mold of the present invention.
Fig. 5 is a schematic view of the open state of the core box mold of the present invention.
As shown in the figure: 1. the drawing block comprises a drawing block body 1.1, a convex block, 1.2, a long hole, 1.3, a first guide surface, 1.4, a step surface, 2, a guide block, 2.1, a second guide surface, 3, a drawing block suspender, 4, a mold cavity, 5, a movable mold plate, 5.1, a first groove, 6, a static mold plate, 6.1, a second groove, 7, a static mold locking block, 8, a drawing block locking block, 9, a static mold spring, 10, a static mold core ejecting plate, 11 and a core ejecting rod.
Detailed Description
The utility model is further described with reference to the following figures and specific examples.
As shown in fig. 1-5, the drawing block structure of the core box mold of the present invention comprises a drawing block 1, a guide block 2 and a drawing block suspension rod 3.
The top of the pulling block 1 is provided with a convex block 1.1 for pulling the core of the bottom of the product, and the bottom 101 of the product is shown in fig. 1.
The lug 1.1 extends into or out of the bottom of the mold cavity 4, extends into the bottom of the mold cavity 4 during mold closing, and extends out of the mold cavity 4 downwards after mold opening, so that demolding is completed.
The pulling block 1 is arranged on the movable template 5, transversely slides with the movable template 5 and vertically slides along the movable template 5, a long hole 1.2 is formed in the middle of the pulling block 1, the pulling block hanging rod 3 is fixed on the movable template 5, and the pulling block 1 penetrates through the long hole 1.2. The long hole 1.2 is a counter bore, the inner diameter of the outer end is larger than that of the inner end, and the block drawing suspender 3 comprises a head part with a larger outer diameter and a body with a smaller outer diameter; the body of the block-pulling suspender 3 penetrates through the inner end of the long hole 1.2, and the head part is positioned at the outer end of the long hole 1.2. When the drawing block 1 slides up and down, the body of the drawing block suspender 3 and the long hole 1.2 always ensure that the drawing block 1 does not deviate from the position in the up-and-down movement in the die opening and closing process, and the precision is ensured.
The bottom of the pulling block 1 is provided with an inclined first guide surface 1.3; the guide block 2 is arranged at the bottom of the static template 6, and one part of the guide block 2 extends out of the side surface of the static template 6 and is provided with an inclined second guide surface 2.1.
The movable mould plate 5 is provided with a first groove 5.1, the fixed mould plate 6 is provided with a second groove 6.1, the first groove 5.1 and the second groove 6.1 are positioned at the same height, the outer wall of the upper part of the drawing block 1 is provided with a step surface 1.4, one side of the step surface 1.4 is abutted against the top surface of the first groove 5.1 in a mould closing state, and the other side of the step surface is abutted against the top surface of the second groove 6.1.
The static mould is characterized in that a static mould locking block 7 is arranged on the static mould plate 6, a drawing block locking block 8 is arranged on the drawing block 1, the inclined plane at the top of the static mould locking block 7 is attached to the inclined plane at the bottom of the drawing block locking block 8 in a mould closing state so as to be locked, and the static mould locking block 7 and the drawing block locking block 8 are separated in a mould opening state.
The static mould 6 is provided with a static mould spring 9, a static mould top core plate 10 and a plurality of top core rods 11, the static mould spring 9 pushes the static mould top core plate 10, and the static mould top core plate 10 pushes all the top core rods 11 to remove the top of the product after casting and forming for demoulding.
As shown in fig. 4, in the mold closing state, the projection 1.1 extends into the mold cavity 4, the pull block 1 is located at the highest position, the bottom of the long hole 1.2 of the pull block 1 abuts against the pull block suspender 3, and at the moment, the first guide surface 1.3 is attached to the second guide surface 2.1.
As shown in fig. 5, in the mold opening state, the movable mold plate 5 moves rightwards, the drawing block 1 slides downwards along the second guide surface 2.1 under the action of self gravity until the projection 1.1 completely extends out of the bottom of the mold cavity 4, the drawing block 1 is located at the lowest position, and the top of the long hole 1.2 of the drawing block 1 abuts against the drawing block suspension rod 3.
The above are merely characteristic embodiments of the present invention, and do not limit the scope of the present invention in any way. All technical solutions formed by equivalent exchanges or equivalent substitutions fall within the protection scope of the present invention.

Claims (5)

1. A core box mould pulling block structure comprises a pulling block (1), a guide block (2) and a pulling block suspender (3); the top of the drawing block (1) is provided with a convex block (1.1) for drawing the core of the bottom of a product, and the convex block (1.1) extends into the bottom of the mold cavity (4) in a mold closing state and extends out of the bottom of the mold cavity in a mold opening state; the drawing block (1) is arranged on the movable template (5), synchronously and transversely slides with the movable template (5) and vertically slides along the movable template (5), a long hole (1.2) is formed in the middle of the drawing block (1), and an inclined first guide surface (1.3) is arranged at the bottom of the drawing block (1); the drawing block suspender (3) is fixed on the movable template (5), the drawing block (1) penetrates through the long hole (1.2), the guide block (2) is installed at the bottom of the static template (6), one part of the guide block extends out of the side face of the static template (6), and the top face of the extending part of the guide block (2) is provided with an inclined second guide surface (2.1);
in a die closing state, the convex block (1.1) extends into a die cavity (4), the pulling block (1) is located at the highest position, and the first guide surface (1.3) is attached to the second guide surface (2.1);
in the mold opening state, the drawing block (1) slides downwards along the second guide surface (2.1) under the action of the gravity of the drawing block until the bump (1.1) completely extends out of the bottom of the mold cavity (4), and the drawing block (1) is located at the lowest position.
2. The core box mold stripping structure of claim 1, wherein: the movable mould plate (5) is provided with a first groove (5.1), the static mould plate (6) is provided with a second groove (6.1), the outer wall of the upper part of the drawing block (1) is provided with a step surface (1.4), and in a mould closing state, one side of the step surface (1.4) is abutted against the top surface of the first groove (5.1), and the other side of the step surface is abutted against the top surface of the second groove (6.1).
3. The core box mold stripping structure of claim 1, wherein: the long hole (1.2) is a counter bore, the inner diameter of the outer end is larger than that of the inner end, and the block drawing suspender (3) comprises a head part with a larger outer diameter and a body with a smaller outer diameter; the body of the drawing block suspender (3) penetrates through the inner end of the long hole (1.2), and the head part is positioned at the outer end of the long hole (1.2).
4. The core box mold stripping structure of claim 2, wherein: the mould is characterized in that a static mould locking block (7) is arranged on the static mould plate (6), a drawing block locking block (8) is arranged on the drawing block (1), the inclined plane at the top of the static mould locking block (7) is attached to the inclined plane at the bottom of the drawing block locking block (8) in a mould closing state so as to be locked, and the static mould locking block and the drawing block locking block are separated in a mould opening state.
5. The core box mold stripping structure of claim 1, wherein: the static mould is characterized in that a static mould spring (9), a static mould top core plate (10) and a plurality of top core rods (11) are arranged on the static mould plate (6), the static mould spring (9) pushes the static mould top core plate (10), and the static mould top core plate (10) pushes all the top core rods (11) to eject a product subjected to casting molding.
CN202121502762.3U 2021-07-04 2021-07-04 Core box mould take out block structure Active CN215550306U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121502762.3U CN215550306U (en) 2021-07-04 2021-07-04 Core box mould take out block structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121502762.3U CN215550306U (en) 2021-07-04 2021-07-04 Core box mould take out block structure

Publications (1)

Publication Number Publication Date
CN215550306U true CN215550306U (en) 2022-01-18

Family

ID=79823096

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121502762.3U Active CN215550306U (en) 2021-07-04 2021-07-04 Core box mould take out block structure

Country Status (1)

Country Link
CN (1) CN215550306U (en)

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