CN-224224403-U - Sealing mechanism of die

CN224224403UCN 224224403 UCN224224403 UCN 224224403UCN-224224403-U

Abstract

The utility model discloses a glue sealing mechanism of a die, which comprises an upper die and a lower die, wherein the lower die is provided with an injection molding cavity, the injection molding cavity comprises a guide rail cavity for accommodating a guide rail to be injected, the glue sealing mechanism is embedded at one end of the guide rail cavity, the glue sealing mechanism comprises a first sliding component and a second sliding component, the first sliding component is embedded in the guide rail cavity in a relatively sliding manner and is used for being abutted against the end face of the guide rail to be injected, the second sliding component is embedded in the first sliding component in a relatively sliding manner, and at least part of the second sliding component is arranged outside the top face of the first sliding component in a protruding manner, so that the upper die can push the second sliding component to slide relative to the first sliding component. According to the utility model, the glue sealing mechanism is arranged, so that the injection molding gap between the guide rail to be injection molded and the end face of the guide rail cavity can be eliminated, and the product yield is ensured.

Inventors

CAI BAOQI
LIN KAIJIN
CHEN MENGLONG
CHEN BIN
Dai Zhongrong

Assignees

福州福耀模具科技有限公司

Dates

Publication Date: 20260512
Application Date: 20250514

Claims (10)

1. The mold comprises an upper mold and a lower mold, wherein the lower mold is provided with an injection molding cavity, and the mold is characterized in that the injection molding cavity comprises a guide rail cavity for accommodating a guide rail to be injected, and the mold sealing mechanism is embedded at one end of the guide rail cavity; the glue sealing mechanism comprises a first sliding component and a second sliding component; The first sliding component is embedded in the guide rail cavity in a relatively sliding manner and is used for propping against the end face of the guide rail to be injection molded; The second sliding component can be embedded in the first sliding component in a relatively sliding manner, and at least part of the second sliding component is outwards protruded from the top surface of the first sliding component, so that the upper die can push the second sliding component to slide relative to the first sliding component.
2. The mold sealing mechanism of claim 1, wherein the first sliding component has a limiting end and a pressing end for pressing against a rail to be injection molded; the second sliding component comprises an adjusting piece, an elastic piece and a locking piece; the adjusting piece, the elastic piece and the locking piece are sequentially arranged along the direction close to the pressing end in the length direction of the guide rail cavity, and the adjusting piece is in sliding connection with the first sliding component; The adjusting piece can push the first sliding component to move along the direction close to the pressing end and compress the elastic piece; the adjusting piece is provided with a pushing part which is used for pushing against the upper die, and the pushing part is outwards protruded from the top of the first sliding component.
3. The molding machine of claim 2, wherein said pushing portion has a first locking surface for pressing against said upper die in a longitudinal direction of said guide rail cavity; In the vertical direction, the first locking surface is gradually and convexly inclined in a direction away from the axis of the pushing part.
4. The molding machine of claim 2, wherein said first slide assembly has a first slide cavity therein; In the length direction of the guide rail cavity, a first limiting wall is arranged on one side of the first sliding cavity, which is close to the pressing end of the first sliding assembly; the adjusting piece can be propped against the first limiting wall and push the first sliding component to be propped against the guide rail to be injection molded.
5. The mold encapsulation mechanism of claim 4, wherein said second slide assembly further comprises a fastener; in the vertical direction, the fastener passes through the adjusting piece to be connected with the first sliding component; And a space is reserved between the inner wall of the adjusting piece and the outer wall of the fastening piece in the length direction of the guide rail cavity.
6. A mold sealing mechanism according to claim 1, the sealing mechanism is characterized by further comprising a limiting component; the limiting component is embedded at one end of the guide rail cavity, and the limiting component surrounds to form a movable cavity for the first sliding component to slide; and the pressing end of the first sliding component passes through the limiting component in the length direction of the guide rail cavity.
7. The molding machine of claim 6, wherein said first slide assembly has a reset member embedded therein; And one end of the reset piece is propped against the inner wall of the limiting assembly in the length direction of the guide rail cavity and is used for pushing the first sliding assembly to move towards one side where the limiting end of the first sliding assembly is located.
8. The molding machine of claim 6, wherein said spacing assembly comprises a spacing block and at least two symmetrically disposed beads; the limiting block and the pressing strip are respectively connected with the guide rail cavity; one end part of the pressing strip is propped against the limiting block and surrounds the limiting block to form the movable cavity; The movable cavity is distributed along the length direction of the guide rail cavity, and the first sliding component is embedded in the movable cavity.
9. The molding machine of claim 1, any one of claims 6-8, wherein the first sliding assembly comprises a slider and a shovel base; The shovel base is connected with one end of the sliding block; And the sealing end of the shovel base penetrates through the sliding block in the length direction of the guide rail cavity, and the sealing end of the shovel base is provided with a sealing end face used for being in contact with the guide rail to be injection molded.
10. The glue sealing mechanism of the die set according to claim 9, wherein limiting channels distributed along the vertical direction are arranged in the sliding block; the fixed end of the shovel base is embedded in the limiting channel, and the glue sealing end of the shovel base penetrates through the limiting channel; In the vertical direction, the relative position of the fixed end of the shovel base and the limiting channel is adjustable.

Description

Sealing mechanism of die Technical Field The utility model relates to the field of section injection molding, in particular to a sealing mechanism of a die. Background Vehicle windows with guide rails are generally composed of a cladding, glass and guide rails, the glass and guide rails being connected by cladding injection molding. The length of the guide rail can fluctuate within a tolerance range, and the two conditions of interference when the guide rail is placed in a die and incapability of being placed in a die cavity are caused when the positive tolerance exists in the length of the guide rail, and gaps are formed between the end face of the tolerance accumulation end in the length direction of the guide rail and the inner wall of the die cavity when the negative tolerance exists in the length of the guide rail, so that glue flows into the gaps in the injection molding process, and the tolerance accumulation end of the guide rail is invalid in glue sealing, so that waste products are generated. Disclosure of utility model The utility model aims to solve the technical problem of providing a sealing mechanism of a die, which overcomes the defect that the existing die cannot adapt to the tolerance of a guide rail. In order to solve the technical problems, the utility model adopts the following technical scheme: The mold comprises an upper mold and a lower mold, wherein the lower mold is provided with an injection molding cavity, the injection molding cavity comprises a guide rail cavity for accommodating a guide rail to be injected, and the sealing mechanism is embedded at one end of the guide rail cavity; the glue sealing mechanism comprises a first sliding component and a second sliding component; The first sliding component is embedded in the guide rail cavity in a relatively sliding manner and is used for propping against the end face of the guide rail to be injection molded; The second sliding component can be embedded in the first sliding component in a relatively sliding manner, and at least part of the second sliding component is outwards protruded from the top surface of the first sliding component, so that the upper die can push the second sliding component to slide relative to the first sliding component. Further, the first sliding component is provided with a limiting end and a pressing end for pressing against the guide rail to be injection molded; the second sliding component comprises an adjusting piece, an elastic piece and a locking piece; the adjusting piece, the elastic piece and the locking piece are sequentially arranged along the direction close to the pressing end in the length direction of the guide rail cavity, and the adjusting piece is in sliding connection with the first sliding component; The adjusting piece can push the first sliding component to move along the direction close to the pressing end and compress the elastic piece; the adjusting piece is provided with a pushing part which is used for pushing against the upper die, and the pushing part is outwards protruded from the top of the first sliding component. Further, in the length direction of the guide rail cavity, the pushing part is provided with a first locking surface for pressing against the upper die; In the vertical direction, the first locking surface is gradually and convexly inclined in a direction away from the axis of the pushing part. Further, the first sliding component is internally provided with a first sliding cavity; In the length direction of the guide rail cavity, a first limiting wall is arranged on one side of the first sliding cavity, which is close to the pressing end of the first sliding assembly; the adjusting piece can be propped against the first limiting wall and push the first sliding component to be propped against the guide rail to be injection molded. Further, the second slide assembly further comprises a fastener; in the vertical direction, the fastener passes through the adjusting piece to be connected with the first sliding component; And a space is reserved between the inner wall of the adjusting piece and the outer wall of the fastening piece in the length direction of the guide rail cavity. Further, the sealing mechanism also comprises a limiting component; the limiting component is embedded at one end of the guide rail cavity, and the limiting component surrounds to form a movable cavity for the first sliding component to slide; and the pressing end of the first sliding component passes through the limiting component in the length direction of the guide rail cavity. Further, a reset piece is embedded in the first sliding component; And one end of the reset piece is propped against the inner wall of the limiting assembly in the length direction of the guide rail cavity and is used for pushing the first sliding assembly to move towards one side where the limiting end of the first sliding assembly is located. Further, the limiting component comprises a limiting block and at least