CN210705828U - Three-stage sliding block demoulding mechanism with large-angle back-off mould - Google Patents

Three-stage sliding block demoulding mechanism with large-angle back-off mould Download PDF

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Publication number
CN210705828U
CN210705828U CN201921381761.0U CN201921381761U CN210705828U CN 210705828 U CN210705828 U CN 210705828U CN 201921381761 U CN201921381761 U CN 201921381761U CN 210705828 U CN210705828 U CN 210705828U
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mould
block
plate
insert
mounting hole
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CN201921381761.0U
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Chinese (zh)
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郑桂花
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Zhejiang Sanlei Mould & Plastic Co ltd
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Zhejiang Sanlei Mould & Plastic Co ltd
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Abstract

A three-stage slide block demoulding mechanism with a large-angle back-off mould comprises an upper compound plate, a lower compound plate, a hot runner bracket and a fixed mould plate which are arranged below the upper compound plate, a mould foot and a movable mould plate which are arranged on the lower compound plate, a formed product arranged between the movable mould plate and the fixed mould plate, a back-off and a mounting hole which are arranged on the product, a fixed seat which is arranged on the outer wall of one side of the mould foot, an outer slide block which is arranged on the fixed seat, a time-delay inclined guide hole which is arranged in the outer slide block, an inner slide block which is connected with the inner side of the outer slide block, an inclined chute which is arranged at the head of the inner slide block, a back-off insert which is obliquely connected on the inclined chute, the back-off insert which is matched with the back-off insert, a through mounting hole insert which is arranged in the back-off insert, a collision block which is matched with the mounting hole, a spring which is arranged between the, an oblique guide rod is connected below the fixed block and extends into the delayed oblique guide hole.

Description

Three-stage sliding block demoulding mechanism with large-angle back-off mould
Technical Field
The utility model relates to a tertiary slider demoulding mechanism with wide-angle back-off mould belongs to the injection mold field.
Background
Adopt injection mold to produce plastic products, decoration such as backplate under the motormeter, according to product appearance and structural analysis, and according to the inside assembly relation of car, a side edge at backplate under the instrument sets up the wide-angle back-off, and set up the mounting hole on the back-off of this side, back-off and mounting hole need the drawing of patterns after injection moulding, when the design mould structure, because the gliding angle of back-off is too big, and interfere with the drawing of patterns direction of mounting hole, lead to the unable drawing of patterns that realizes of conventional demoulding structure.
Disclosure of Invention
The utility model aims at overcoming prior art's shortcoming, providing one kind and adopting time delay outer smooth, spring auto-eject and oblique slider to slide to one side and combine together, realize the tertiary slider demoulding mechanism who has wide-angle back-off mould of the smooth drawing of patterns of wide-angle back-off and mounting hole.
The utility model discloses tertiary slider demoulding mechanism with wide-angle back-off mould's technical scheme is: the hot runner mold comprises an upper compound plate and a lower compound plate of a mold, wherein a hot runner support is arranged below the upper compound plate, a fixed mold plate is arranged below the hot runner support, a hot nozzle is connected in the hot runner support, mold feet are arranged on the lower compound plate, a lower top plate and an upper top plate are arranged between the mold feet, a movable mold plate is arranged on the mold feet, a mold cavity is formed by a gap between the movable mold plate and the fixed mold plate, the hot nozzle penetrates through the fixed mold plate to be communicated with the mold cavity, a molded product is injected into the mold cavity, an inverted buckle is arranged at one side edge of the product, a mounting hole is formed in the inverted buckle, an ejector rod is connected on the upper top plate and penetrates through the movable mold plate to be contacted with the product, the hot runner mold is characterized in that a fixed seat is arranged on the outer wall of one side of the mold feet, an outer slide block is arranged on the fixed seat in a sliding manner, a delay inclined guide hole is arranged in the, the reverse buckle insert is internally provided with a through mounting hole insert, the mounting hole insert is matched with the mounting hole, the tail part of the mounting hole insert is provided with a collision block, a spring is arranged between the collision block and the reverse buckle insert, a locking block is arranged in a fixed template corresponding to the collision block, the locking block is contacted with the outer wall of the collision block, the outer wall of the fixed template is provided with a fixed block, an inclined guide rod is connected below the fixed block, and the inclined guide rod extends into the delayed inclined guide hole.
The utility model discloses a three-stage slide demoulding mechanism with a large-angle back-off mould, during demoulding, a mould moving mould plate and a fixed mould plate are driven by the power of an injection moulding machine to open the mould, an oblique guide rod moves in a time-delay oblique guide hole, an outer slide block is not driven firstly, but under the driving of mould opening power, a collision block is separated from a locking block, under the action of a spring, a mounting hole insert is driven to be separated from a mounting hole, mould opening is continued, the oblique guide rod continuously moves to touch the hole wall of the time-delay oblique guide hole to drive the outer slide block to slide outwards, the outer slide block drives an inner slide block to slide outwards, and under the action of an oblique chute at the head part of the inner slide block, the back-off insert drives the mounting hole insert to slide outwards and downwards along the oblique chute together, the back-off mould plate strip and the mounting hole are demouldered, mould opening is continued to the end, a lower top plate and an upper ejector rod are pushed, and (5) demolding the product. This scheme adopts time delay, bullet piece and the tertiary demoulding structure of oblique slip, realizes that back-off and mounting hole deviate from smoothly, compact structure, and design benefit is driven by die sinking power and spring, need not to put the hydro-cylinder in addition, and the cost is economized, and the action is smooth and easy, and production efficiency is high.
The utility model discloses a tertiary slider demoulding mechanism with wide-angle back-off mould, the back-off insert the periphery and set up and end the position piece, end the position piece and fix in the movable mould board, the locking block passes and ends the position piece and touch a piece outer wall and contact, has ended the position piece, can prevent effectively that the back-off from inserting the mould that rises.
Drawings
Fig. 1 is a schematic structural view of the mold with a large angle undercut of the present invention;
fig. 2 is a schematic cross-sectional view of a three-stage slide demolding mechanism of the present invention;
fig. 3 is a schematic perspective view of the three-stage slide demolding mechanism of the present invention.
Detailed Description
The utility model relates to a three-stage slide demoulding mechanism with a large-angle reverse-buckling mould, as shown in figures 1-3, comprising an upper compound plate 1 and a lower compound plate 2 of the mould, a hot runner bracket 3 is arranged under the upper compound plate, a fixed template 4 is arranged under the hot runner bracket, a hot nozzle 5 is connected in the hot runner bracket, a mould foot 6 is arranged on the lower compound plate, a lower top plate 7 and an upper top plate 8 are arranged between the mould feet, a movable template 9 is arranged on the mould foot, a gap between the movable template and the fixed template forms a mould cavity 10, the hot nozzle 5 passes through the fixed template 4 and is communicated with the mould cavity 10, a product 11 is molded in the mould cavity, a reverse buckle 12 is arranged at one side edge of the product, a mounting hole 13 is arranged on the reverse buckle, an ejector rod 15 is connected on the upper top plate 8, the ejector rod 15 passes through the movable template 9 and is contacted with the product 11, a fixed seat 20 is arranged on the outer wall at one side of the, the inner side of the outer sliding block is connected with an inner sliding block 23, the inner sliding block extends into the movable template 9, the head of the inner sliding block is provided with an inclined sliding groove 24, an inverted buckle insert 25 is obliquely connected onto the inclined sliding groove, the inverted buckle insert 25 is matched with the inverted buckle 12, a mounting hole insert 26 which is penetrated in a collision mode is arranged in the inverted buckle insert 25, the mounting hole insert 26 is matched with the mounting hole 13, the tail of the mounting hole insert 26 is provided with a collision block 27, a spring 28 is arranged between the collision block 27 and the inverted buckle insert 25, a locking block 29 is arranged in the fixed template 4 corresponding to the collision block, the locking block 29 is contacted with the outer wall of the collision block 27, the outer wall of the fixed template 4 is provided with a fixed block 31, an inclined guide rod 32 is connected below the fixed block. When demoulding, the movable mould plate 9 and the fixed mould plate 4 are driven by the power of an injection machine to open the mould, the inclined guide rod 32 moves in the delayed inclined guide hole 22, the outer slide block 21 is not driven firstly, but the collision block 27 is separated from the locking block 29 under the drive of the mould opening power, the mounting hole insert 26 is driven to be separated from the mounting hole 13 under the action of the spring 28, mould opening is continued, the inclined guide rod 32 continuously moves to touch the hole wall of the delayed inclined guide hole 22 to drive the outer slide block 21 to slide outwards, the outer slide block 21 drives the inner slide block 23 to slide outwards, the back-off insert 25 drives the mounting hole insert 26 to slide outwards and downwards along the inclined slide groove 24 under the action of the inclined slide groove 24 at the head of the inner slide block, the back-off insert is separated from the back-off 12, the back-off plate 12 and the mounting hole are demoulded, mould opening is continued until the end, the lower top plate 7 and the upper top plate 8 are driven by the, and (5) demolding the product. This scheme adopts time delay, bullet piece and the tertiary demoulding structure of oblique slip, realizes that back-off and mounting hole deviate from smoothly, compact structure, and design benefit is driven by die sinking power and spring, need not to put the hydro-cylinder in addition, and the cost is economized, and the action is smooth and easy, and production efficiency is high. The periphery of the inverted insert 25 is provided with a stop block 30, the stop block 30 is fixed in the movable template 9, the locking block 29 penetrates through the stop block 30 to be in contact with the outer wall of the collision block 27, and the stop block is arranged, so that the inverted insert can be effectively prevented from expanding a mold.

Claims (2)

1. A three-stage sliding block demoulding mechanism with a large-angle inverted buckle mould comprises an upper compound plate (1) and a lower compound plate (2) of the mould, a hot runner support (3) is arranged below the upper compound plate, a fixed mould plate (4) is arranged below the hot runner support, a hot nozzle (5) is connected in the hot runner support, mould feet (6) are arranged on the lower compound plate, a lower top plate (7) and an upper top plate (8) are arranged between the mould feet, a movable mould plate (9) is arranged on the mould feet, a gap between the movable mould plate and the fixed mould plate forms a mould cavity (10), the hot nozzle (5) penetrates through the fixed mould plate (4) to be communicated with the mould cavity (10), a product (11) is injected in the mould cavity, an inverted buckle (12) is arranged at one side edge of the product, a mounting hole (13) is formed in the inverted buckle, an ejector rod (15) is connected on the upper top plate (8), the ejector rod (15) penetrates through the movable mould plate (, an outer sliding block (21) is arranged on the fixed seat in a sliding manner, a time-delay inclined guide hole (22) is arranged in the outer sliding block, the inner side of the outer sliding block is connected with an inner sliding block (23), the inner sliding block extends into the movable template (9), the head of the inner sliding block is provided with an inclined sliding groove (24), an inverted buckle insert (25) is obliquely connected onto the inclined sliding groove, the inverted buckle insert (25) is matched with the inverted buckle (12), a mounting hole insert (26) which is penetrated through is arranged in the inverted buckle insert (25), the mounting hole insert (26) is matched with the mounting hole (13), the tail of the mounting hole insert (26) is provided with a collision block (27), a spring (28) is arranged between the collision block (27) and the inverted buckle insert (25), a locking block (29) is arranged in a fixed template (4) corresponding to the collision block, the locking block (29) is contacted with the outer wall of the collision block (27), the outer wall of the fixed template (4, the inclined guide rod (32) extends into the delayed inclined guide hole (22).
2. The three-stage slide demolding mechanism with the large-angle reverse buckling mold as claimed in claim 1, wherein the reverse buckling insert (25) is provided with a stop block (30) at the periphery, the stop block (30) is fixed in the movable mold plate (9), and the locking block (29) penetrates through the stop block (30) to be in contact with the outer wall of the collision block (27).
CN201921381761.0U 2019-08-23 2019-08-23 Three-stage sliding block demoulding mechanism with large-angle back-off mould Active CN210705828U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921381761.0U CN210705828U (en) 2019-08-23 2019-08-23 Three-stage sliding block demoulding mechanism with large-angle back-off mould

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921381761.0U CN210705828U (en) 2019-08-23 2019-08-23 Three-stage sliding block demoulding mechanism with large-angle back-off mould

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Publication Number Publication Date
CN210705828U true CN210705828U (en) 2020-06-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110524813A (en) * 2019-08-23 2019-12-03 浙江三雷模塑有限公司 Three-level slide block demolding mechanism with wide-angle back-off mold

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110524813A (en) * 2019-08-23 2019-12-03 浙江三雷模塑有限公司 Three-level slide block demolding mechanism with wide-angle back-off mold

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