CN224060325U - High-precision injection molding die for ejection and demolding of inner inclined ejector of sliding block of automobile back door - Google Patents
High-precision injection molding die for ejection and demolding of inner inclined ejector of sliding block of automobile back doorInfo
- Publication number
- CN224060325U CN224060325U CN202520360669.5U CN202520360669U CN224060325U CN 224060325 U CN224060325 U CN 224060325U CN 202520360669 U CN202520360669 U CN 202520360669U CN 224060325 U CN224060325 U CN 224060325U
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- sliding block
- demolding
- injection molding
- outer edge
- guiding
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Abstract
本实用新型提供了一种汽车后背门滑块内斜顶顶出脱模高精密注塑成型模具，属于模具技术领域。它包括下模板，所述的下模板上设置有单侧具有开口的边框成型腔，所述的边框成型腔的截面呈弧形且开口朝外，所述的边框成型腔顶部具有一朝外设置的外沿部，该外沿部的截面为直线且外沿部和边框成型腔顶部的夹角为锐角，所述的下模板上还对称设置有两个与边框成型腔内侧相连的内抽芯机构。内抽芯机构和组合式滑块斜向抽芯机构能够在开模时实现自动抽芯，组合式滑块斜向抽芯机构在抽芯时能使外沿部和边框成型腔之间的外沿成型块斜向下移动与外沿成型部脱离从而能够防止外沿成型部出现损坏。
This utility model provides a high-precision injection molding mold for ejecting and demolding a sliding block of an automobile rear door, belonging to the field of mold technology. It includes a lower mold plate with a frame forming cavity having an opening on one side. The frame forming cavity has an arc-shaped cross-section with the opening facing outwards. The top of the frame forming cavity has an outward-facing outer edge, the cross-section of which is a straight line, and the angle between the outer edge and the top of the frame forming cavity is an acute angle. The lower mold plate also symmetrically provides two inner core-pulling mechanisms connected to the inner side of the frame forming cavity. The inner core-pulling mechanism and the combined sliding block angled core-pulling mechanism enable automatic core pulling during mold opening. During core pulling, the combined sliding block angled core-pulling mechanism allows the outer edge forming block between the outer edge and the frame forming cavity to move obliquely downwards and disengage from the outer edge forming part, thus preventing damage to the outer edge forming part.
Description
Technical Field
The utility model belongs to the technical field of molds, and relates to a high-precision injection molding mold for ejecting and demolding an inner oblique ejector of a sliding block of an automobile back door.
Background
The automobile back door frame plastic part is generally formed by injection molding through a mold, an outer edge structure exists on the automobile back door frame plastic part, and in the prior art, an outer edge forming block at the outer edge structure directly extracts the outer edge forming block by using a core pulling mechanism, so that the outer edge part of the door frame plastic part is easy to damage.
The invention discloses a double-inclined-roof structure of an injection mold for an automobile back door [ application number: 201910382237.3] which comprises a front template, a back template, a seat plate, a top plate, a bottom plate and a driving part for driving the top plate to move, wherein the top plate is positioned on one side of the back template, an ejection assembly is arranged on the top plate, a front mold core for forming an inner surface structure of an inner plate is arranged on the front template, a back mold core for forming an outer surface structure of the inner plate is arranged on the back template, and the double-inclined-roof structure further comprises a first forming block for forming the inner side surface of an inner frame, a first inclined-roof assembly acting on the first forming block, a second forming block for forming the outer side surface of the inner frame and a second inclined-roof assembly acting on the second forming block.
Disclosure of utility model
The utility model aims to solve the problems and provides a high-precision injection molding die for ejecting and demolding of an inner oblique ejector of a sliding block of an automobile back door.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides an ejecting drawing of patterns high accuracy injection moulding mould of car back door slider internal oblique ejection, includes the lower bolster, the lower bolster on be provided with the unilateral and have open-ended frame molding chamber, the cross-section of frame molding chamber be arc and opening outwards, frame molding chamber top have an outer portion of setting outwards, the cross-section of this outer portion of edge is sharp and the contained angle at outer portion and frame molding chamber top is the acute angle, the lower bolster on still symmetry be provided with two and frame molding chamber inboard continuous interior core pulling mechanism, the lower bolster on still symmetry be provided with the combination formula slider slant core pulling mechanism that links to each other with the frame molding chamber outside.
In the high-precision injection molding die for ejecting and demolding of the inner oblique ejection of the sliding block of the automobile back door, the combined sliding block oblique core pulling mechanism comprises an outer sliding block and a second outer sliding block arranged at the top end of the outer sliding block, the inner ends of the outer sliding block and the second outer sliding block are combined to form a convex arc-shaped surface connected with the outer side surface of the frame molding cavity, and the top of the second outer sliding block is provided with an outer edge molding block which is inserted between the outer edge part and the frame molding cavity in a protruding mode.
In the high-precision injection molding die for ejecting and demolding of the inner oblique ejection of the sliding block of the automobile back door, a linkage structure is arranged between the two outer sliding blocks and the one outer sliding block, an outer edge guiding demolding structure connected with the two outer sliding blocks is further arranged on the lower die plate, and the combined sliding block oblique core pulling mechanism further comprises an outer core pulling driving structure connected with the one outer sliding block.
In the high-precision injection molding die for ejecting and demolding of the inner oblique ejection of the sliding block of the automobile back door, the outer core-pulling driving structure comprises a driving rod mounting seat fixed on the upper die plate, two outer driving rods are obliquely fixed on the driving rod mounting seat, two outer driving rod sliding grooves corresponding to the outer driving rods are obliquely arranged on the outer sliding block, and the outer driving rods can be inserted into the outer driving rod sliding grooves.
In the high-precision injection molding die for ejecting and demolding of the automobile back door sliding block inner oblique ejection, the linkage structure comprises two linkage rods vertically arranged in the second outer sliding block, the top ends of the linkage rods are fixed on the second outer sliding block through connecting blocks, the bottoms of the linkage rods penetrate through the second outer sliding block and are inserted into the first outer sliding block, and the linkage rods are in sliding connection with the first outer sliding block.
In the high-precision injection molding die for ejection and demolding of the inner oblique ejection of the sliding block of the automobile back door, the outer edge guiding demolding structure comprises two guiding blocks symmetrically arranged on two sides of the outer sliding block, guiding slide ways with first guiding grooves and second guiding grooves are formed in the inner sides of the guiding blocks, the first guiding grooves and the second guiding grooves are communicated, and guiding rods inserted into the guiding slide ways are arranged on two sides of the outer sliding block.
In the high-precision injection molding die for ejecting and demolding in the automobile back door sliding block by means of oblique ejection, the inclination of the first guide groove is larger than that of the second guide groove.
In the high-precision injection molding die for ejecting and demolding of the inner oblique ejection of the sliding block of the automobile back door, the top of the first outer sliding block is inwards concavely provided with a limiting sliding groove with a trapezoid cross section, and the bottom of the second outer sliding block is convexly provided with a limiting sliding block which is inserted into the limiting sliding groove and has a trapezoid cross section.
In the high-precision injection molding mold for ejecting and demolding of the inner oblique ejection of the sliding block of the automobile back door, the inner core pulling mechanism comprises an inner sliding block, the inner end of the inner sliding block is provided with a concave arc-shaped surface connected with the inner side surface of the frame molding cavity, and the inner core pulling mechanism further comprises an inner core pulling driving structure connected with the inner sliding block.
In the high-precision injection molding die for ejecting and demolding of the inner oblique ejection of the sliding block of the automobile back door, the inner core-pulling driving structure comprises two inner driving rods which are obliquely fixed on the upper die plate, two inner driving rod sliding grooves which are arranged corresponding to the inner driving rods are obliquely arranged on the inner sliding block, and the inner driving rods can be inserted into the inner driving rod sliding grooves.
Compared with the prior art, the utility model has the advantages that:
1. The inner core pulling mechanism and the combined type sliding block oblique core pulling mechanism can automatically pull the core when the die is opened, and the combined type sliding block oblique core pulling mechanism can enable the outer edge forming block between the outer edge part and the frame forming cavity to move downwards obliquely and separate from the outer edge forming part when the core is pulled, so that damage to the outer edge forming part can be prevented.
2. The outer core-pulling driving structure can drive the outer sliding block to move downwards obliquely under the guidance of the limiting plates on two sides, the outer sliding block can move downwards obliquely through the linkage structure to drive the outer edge forming block to move, the outer edge guiding demolding structure can guide the guiding block so that the guiding block moves downwards obliquely at a large angle and breaks away from the outer edge part, and then the guiding block moves downwards obliquely at a small angle and breaks away from the frame forming cavity, so that damage to the outer edge part during core pulling can be prevented.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
FIG. 1 is a schematic view of the structure of a lower die plate;
FIG. 2 is a cross-sectional view of the lower die plate;
FIG. 3 is a schematic view of a partial structure of the lower die plate;
FIG. 4 is a schematic view of a partial structure of a combined slider diagonal core pulling mechanism;
fig. 5 is a schematic structural view of the guide block.
In the figure, a lower die plate 1, a frame molding cavity 2, an outer edge part 3, an inner core pulling mechanism 4, a combined type slide block inclined core pulling mechanism 5, a first outer slide block 6, a second outer slide block 7, an outer edge molding block 8, a linkage structure 9, an outer edge guiding demolding structure 10, a driving rod mounting seat 11, an outer driving rod sliding groove 12, a linkage rod 13, a connecting block 14, a guide block 15, a first guide groove 16, a second guide groove 17, a guide sliding rail 18, a guide rod 19, a limiting slide block 20, an inner slide block 21, a concave arc-shaped surface 22, an inner driving rod sliding groove 23 and a convex arc-shaped surface 24.
Detailed Description
As shown in fig. 1-5, an automobile back door sliding block inner oblique ejection demolding high-precision injection molding mold comprises a lower mold plate 1, wherein a single-side frame molding cavity 2 with an opening is arranged on the lower mold plate 1, the section of the frame molding cavity 2 is arc-shaped and the opening is outwards, the top of the frame molding cavity 2 is provided with an outer edge part 3 which is outwards arranged, the section of the outer edge part 3 is a straight line, the included angle between the outer edge part 3 and the top of the frame molding cavity 2 is an acute angle, two inner core pulling mechanisms 4 connected with the inner side of the frame molding cavity 2 are symmetrically arranged on the lower mold plate 1, and a combined sliding block oblique core pulling mechanism 5 connected with the outer side of the frame molding cavity 2 is symmetrically arranged on the lower mold plate 1.
According to the utility model, the inner core pulling mechanism and the combined type slide block oblique core pulling mechanism can realize automatic core pulling during die opening, and the combined type slide block oblique core pulling mechanism can enable the outer edge forming block between the outer edge part and the frame forming cavity to move downwards obliquely and separate from the outer edge forming part during core pulling, so that damage to the outer edge forming part can be prevented.
Specifically speaking, the combined type slide block slant core pulling mechanism 5 comprises a first outer slide block 6 and a second outer slide block 7 arranged at the top end of the first outer slide block 6, wherein the inner ends of the first outer slide block 6 and the second outer slide block 7 are combined to form a convex arc surface 24 connected with the outer side surface of the frame molding cavity 2, the top of the second outer slide block 7 is convexly provided with an outer edge molding block 8 inserted between the outer edge part 3 and the frame molding cavity 2, two sides of the first outer slide block are also provided with limiting plates, a linkage structure 9 is arranged between the second outer slide block 7 and the first outer slide block 6, the lower die plate 1 is also provided with an outer edge guiding demolding structure 10 connected with the second outer slide block 7, and the combined type slide block slant core pulling mechanism 5 further comprises an outer core pulling driving structure connected with the first outer slide block 6. The outer driving structure of loosing core can drive a first outer slider to move downwards obliquely under the limiting plate direction of both sides, and a first outer slider moves downwards obliquely can drive the outer edge forming block 8 to move through the linkage structure 9, and thereby the outer edge guiding demoulding structure can lead the guide block to move downwards obliquely at a large angle earlier and break away from with outer edge portion, and then the oblique downward movement of a small angle breaks away from with the frame forming cavity to can prevent damage to the outer edge portion when loosing core.
Specifically speaking, the outer core-pulling driving structure comprises a driving rod mounting seat 11 fixed on an upper template, two outer driving rods are obliquely fixed on the driving rod mounting seat 11, two outer driving rod sliding grooves 12 which are correspondingly arranged with the outer driving rods are obliquely arranged on the outer sliding block 6, and the outer driving rods can be inserted into the outer driving rod sliding grooves 12. The upper die plate can drive the outer actuating lever to vertically upwards move when upwards moving, and the outer actuating lever cooperation outer actuating lever spout that the slope set up can drive a outer slider and move to keeping away from frame shaping die cavity direction.
Specifically speaking, the linkage structure 9 comprises two linkage rods 13 vertically arranged in the second outer slide block 7, the top ends of the linkage rods 13 are fixed on the second outer slide block 7 through connecting blocks 14, the bottoms of the linkage rods 13 penetrate through the second outer slide block 7 and are inserted into the first outer slide block 6, and the linkage rods 13 are in sliding connection with the first outer slide block 6. The first outer slide block can drive the second outer slide block to move through the linkage rod when moving in the direction away from the frame forming cavity.
Specifically speaking, the outer edge guiding demolding structure 10 comprises two guiding blocks 15 symmetrically arranged on two sides of the second outer sliding block 7, a guiding slideway 18 with a first guiding groove 16 and a second guiding groove 17 is arranged on the inner side of the guiding block 15, the first guiding groove 16 and the second guiding groove 17 are communicated, guiding rods 19 inserted into the guiding slideway 18 are arranged on two sides of the second outer sliding block 7, and the inclination of the first guiding groove 16 is larger than that of the second guiding groove 17.
When the second outer slide block initially moves, the guide rod slides in the first guide groove, the second outer slide block can move obliquely downwards at a large angle under the action of the first guide groove, so that the outer edge forming block moves to the lower part of the outer edge part, and after the guide rod moves into the second guide groove, the second outer slide block continues to move, and can move obliquely downwards at a small angle under the action of the second guide groove and the guide rod and separate from the frame forming cavity.
Specifically speaking, the top of the first outer slide block 6 is concavely provided with a limit slide groove with a trapezoid cross section, and the bottom of the second outer slide block 7 is convexly provided with a limit slide block 20 which is inserted into the limit slide groove and has a trapezoid cross section. The limiting sliding groove is matched with the limiting sliding block to limit the two outer sliding blocks.
Specifically speaking, interior mechanism 4 of loosing core includes interior slider 21, interior slider 21 the inner have with the concave arcwall face 22 that the frame takes shape the medial surface of die cavity 2 and link to each other, still include with interior drive structure of loosing core that interior slider 21 links to each other, interior drive structure of loosing core is including two interior actuating levers of slope fixing on the cope match-plate pattern, interior slider 21 on slope be provided with two and interior actuating lever spout 23 that correspond the setting of interior actuating lever, interior actuating lever can insert in the interior actuating lever spout 23. When the die is opened, the upper die plate moves upwards to drive the inner driving rod which is obliquely arranged to move upwards vertically, and the inner driving rod moves upwards vertically to match with the inner driving rod sliding groove to drive the inner sliding block to move inwards, so that the concave arc-shaped surface 22 and the frame forming cavity can be separated.
The inner core pulling mechanism and the combined type sliding block oblique core pulling mechanism can realize automatic core pulling during die opening, and the combined type sliding block oblique core pulling mechanism can enable an outer edge forming block between the outer edge part and a frame forming cavity to move obliquely downwards and separate from the outer edge forming part during core pulling, so that damage to the outer edge forming part can be prevented;
The outer driving structure can drive the outer slide block to move obliquely downwards under the guide of the limiting plates on two sides, the outer slide block can drive the outer edge forming block 8 to move through the linkage structure 9, the outer edge guiding demoulding structure can guide the guide block so as to enable the guide block to move obliquely downwards at a large angle to be separated from the outer edge part, and then the outer edge part is obliquely downwards moved at a small angle to be separated from the frame forming cavity, so that damage to the outer edge part during core pulling can be prevented, the upper template can drive the outer driving rod to vertically upwards move when moving upwards, the obliquely arranged outer driving rod is matched with the outer driving rod sliding groove to drive the outer slide block to move in the direction away from the frame forming cavity, the outer slide block can drive the outer slide block to move through the linkage rod when moving in the direction away from the frame forming cavity, the guide rod slides in the first guide groove when the outer slide block is initially moved, and the outer slide block can move obliquely downwards at a large angle to enable the outer edge forming block to be separated from the lower part of the outer edge part under the action of the first guide groove, and after the guide rod moves into the second guide groove, the outer slide block can continue moving in the second guide groove and the direction of the second guide rod is obliquely downwards matched with the outer edge forming cavity;
When the die is opened, the upper die plate moves upwards to drive the inner driving rod which is obliquely arranged to move upwards vertically, and the inner driving rod moves upwards vertically to match with the inner driving rod sliding groove to drive the inner sliding block to move inwards, so that the concave arc-shaped surface 22 and the frame forming cavity can be separated.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Although the lower die plate 1, the rim forming cavity 2, the outer edge portion 3, the inner core pulling mechanism 4, the combined slide diagonal core pulling mechanism 5, the first outer slide 6, the second outer slide 7, the outer edge forming block 8, the interlocking structure 9, the outer edge guiding and demolding structure 10, the driving rod mounting seat 11, the outer driving rod sliding groove 12, the interlocking rod 13, the connecting block 14, the guiding block 15, the first guiding groove 16, the second guiding groove 17, the guiding sliding way 18, the guiding rod 19, the limit slide 20, the inner slide 21, the concave arc surface 22, the inner driving rod sliding groove 23, the convex arc surface 24, etc. are used herein in a large number, these terms are merely for convenience of description and explanation of the essence of the present utility model, and any additional limitations are to be interpreted as being contrary to the spirit of the present utility model.
Claims (10)
1. The utility model provides an ejecting drawing of patterns high accuracy injection moulding mould of car back door slider internal oblique ejection, includes lower bolster (1), its characterized in that, lower bolster (1) on be provided with unilateral and have open-ended frame shaping chamber (2), the cross-section of frame shaping chamber (2) be arc and opening outwards, frame shaping chamber (2) top have an outer portion (3) that outwards set up, the cross-section of this outer portion (3) is sharp and the contained angle at outer portion (3) and frame shaping chamber (2) top is the acute angle, lower bolster (1) on still the symmetry be provided with two and frame shaping chamber (2) inboard continuous interior core-pulling mechanism (4), lower bolster (1) on still symmetry be provided with frame shaping chamber (2) outside continuous combination formula slider slant mechanism (5) of loosing core.
2. The high-precision injection molding die for ejecting and demolding of the inner oblique ejection of the sliding block of the automobile back door according to claim 1 is characterized in that the combined sliding block oblique core pulling mechanism (5) comprises an outer sliding block (6) and two outer sliding blocks (7) arranged at the top end of the outer sliding block (6), the inner ends of the outer sliding block (6) and the two outer sliding blocks (7) are combined to form a convex arc-shaped surface (24) connected with the outer side surface of the frame molding cavity (2), and an outer edge molding block (8) inserted between the outer edge part (3) and the frame molding cavity (2) is arranged at the top of the outer sliding block (7) in a protruding mode.
3. The high-precision injection molding die for ejection and demolding of the inner inclined ejector of the sliding block of the automobile back door according to claim 2 is characterized in that a linkage structure (9) is arranged between the second outer sliding block (7) and the first outer sliding block (6), an outer edge guiding demolding structure (10) connected with the second outer sliding block (7) is further arranged on the lower die plate (1), and the combined sliding block inclined core pulling mechanism (5) further comprises an outer core pulling driving structure connected with the first outer sliding block (6).
4. The high-precision injection molding die for ejecting and demolding inner inclined ejector pins of the automobile back door sliding block according to claim 3, wherein the outer core pulling driving structure comprises a driving rod installation seat (11) fixed on an upper die plate, two outer driving rods are obliquely fixed on the driving rod installation seat (11), two outer driving rod sliding grooves (12) which are arranged corresponding to the outer driving rods are obliquely arranged on the outer sliding block (6), and the outer driving rods can be inserted into the outer driving rod sliding grooves (12).
5. The high-precision injection molding die for ejection and demolding of the inner inclined ejector of the sliding block of the automobile back door according to claim 4, wherein the linkage structure (9) comprises two linkage rods (13) vertically arranged in the two outer sliding blocks (7), the top ends of the linkage rods (13) are fixed on the two outer sliding blocks (7) through connecting blocks (14), the bottoms of the linkage rods (13) penetrate through the two outer sliding blocks (7) and are inserted into the one outer sliding block (6), and the linkage rods (13) are connected with the one outer sliding block (6) in a sliding mode.
6. The high-precision injection molding die for ejection and demolding of automobile back door sliding blocks in an inclined ejection manner according to claim 5 is characterized in that the outer edge guiding demolding structure (10) comprises two guiding blocks (15) symmetrically arranged on two sides of the second outer sliding block (7), guiding slide ways (18) with first guiding grooves (16) and second guiding grooves (17) are arranged on the inner sides of the guiding blocks (15), the first guiding grooves (16) and the second guiding grooves (17) are communicated, and guiding rods (19) inserted into the guiding slide ways (18) are arranged on two sides of the second outer sliding block (7).
7. The high-precision injection molding die for ejecting and demolding of the inner oblique ejector of the sliding block of the automobile back door according to claim 6, wherein the inclination of the first guide groove (16) is larger than that of the second guide groove (17).
8. The high-precision injection molding die for ejection and demolding of the inner inclined ejector of the sliding block of the automobile back door according to claim 3, wherein the top of the first outer sliding block (6) is concavely provided with a limiting sliding groove with a trapezoid cross section, and the bottom of the second outer sliding block (7) is convexly provided with a limiting sliding block (20) which is inserted into the limiting sliding groove and has a trapezoid cross section.
9. The high-precision injection molding die for ejecting and demolding inner inclined ejector of the sliding block of the automobile back door of claim 1, wherein the inner core pulling mechanism (4) comprises an inner sliding block (21), the inner end of the inner sliding block (21) is provided with a concave arc-shaped surface (22) connected with the inner side surface of the frame forming cavity (2), and the high-precision injection molding die further comprises an inner core pulling driving structure connected with the inner sliding block (21).
10. The high-precision injection molding die for ejecting and demolding inner oblique ejection of a sliding block of an automobile back door according to claim 9, wherein the inner core pulling driving structure comprises two inner driving rods which are obliquely fixed on an upper die plate, two inner driving rod sliding grooves (23) which are arranged corresponding to the inner driving rods are obliquely arranged on the inner sliding block (21), and the inner driving rods can be inserted into the inner driving rod sliding grooves (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520360669.5U CN224060325U (en) | 2025-03-04 | 2025-03-04 | High-precision injection molding die for ejection and demolding of inner inclined ejector of sliding block of automobile back door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520360669.5U CN224060325U (en) | 2025-03-04 | 2025-03-04 | High-precision injection molding die for ejection and demolding of inner inclined ejector of sliding block of automobile back door |
Publications (1)
| Publication Number | Publication Date |
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| CN224060325U true CN224060325U (en) | 2026-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520360669.5U Active CN224060325U (en) | 2025-03-04 | 2025-03-04 | High-precision injection molding die for ejection and demolding of inner inclined ejector of sliding block of automobile back door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN224060325U (en) |
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2025
- 2025-03-04 CN CN202520360669.5U patent/CN224060325U/en active Active
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