CN218593602U

CN218593602U - Injection mold demoulding mechanism for lower guard plate of instrument desk

Info

Publication number: CN218593602U
Application number: CN202222512353.2U
Authority: CN
Inventors: 闫忠学; 韩子胜
Original assignee: Zhejiang Technology Co ltd AB
Current assignee: Zhejiang Technology Co ltd AB
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-03-10
Anticipated expiration: 2032-09-22

Abstract

The demoulding mechanism of the injection mould for the lower instrument desk protection plate comprises an upper compound plate, a lower compound plate, a runner plate, a fixed template plate, a large oblique guide pillar and a small oblique guide pillar, wherein a template foot, an upper ejector plate and a lower ejector plate are arranged below the upper compound plate, a straight ejector pin is arranged on the upper ejector plate and the lower ejector plate, an upper sliding seat and a lower sliding seat are arranged below the runner plate, an upper oblique ejector pin is arranged on the upper sliding seat, a lower oblique ejector pin is arranged on the lower compound plate, a movable template is arranged on the template foot, the straight ejector pin is connected with a straight ejector block, the upper oblique ejector pin is connected with a small oblique ejector block, the lower oblique ejector pin is connected with a large oblique ejector block, a large loose core slide block and a small loose core slide block are arranged on the movable template, the large oblique guide pillar is matched with the large loose core slide block, the small oblique guide pillar is matched with the small loose core slide block, an instrument desk protection plate is arranged between the movable template and the fixed template plate, a front lug is arranged on the lower instrument desk protection plate, a front clamping hole is arranged on the front lug, a left insertion sheet is arranged on the lower left instrument desk protection plate, a right flanging.

Description

Injection mold demoulding mechanism for lower guard plate of instrument desk

Technical Field

The utility model relates to an injection mold especially relates to backplate injection mold demoulding mechanism under instrument desk.

Background

The plastic product is manufactured by adopting the injection mold, if the plastic product is in an irregular shape, the middle part of the plastic product is convex, the front side of the plastic product is provided with a lug, the lug is provided with a clamping hole, the left side of the plastic product is provided with an inserting sheet, the right side of the plastic product is provided with an inward flanging, the inserting sheet is arranged below the flanging, and the three edges are respectively provided with a lateral stripping structure, so that the plastic product cannot be directly ejected out for demolding. The existing mode is that a side core-pulling slider is usually used for drawing out structures such as a clamping hole and an inserting sheet, and then an inward flanging structure is separated in a forced releasing mode, so that the flanging part is easy to deform and even to be broken, the yield of plastic products is low, and the structural strength and the service life of the plastic products are influenced.

Disclosure of Invention

The utility model aims at overcoming the shortcoming that prior art exists, provide a each position of plastic products can loose core smoothly, guarantee the instrument desk lower protective plate injection mold demoulding mechanism of the yield of plastic products.

The utility model discloses backplate injection mold demoulding mechanism's technical scheme is under instrument desk: the core pulling device comprises an upper compound plate and a lower compound plate, wherein a runner plate is arranged below the upper compound plate, a fixed template is arranged below the runner plate, a large inclined guide post and a small inclined guide post are arranged below the fixed template, mold feet are arranged on the lower compound plate, an upper thimble plate and a lower thimble plate are arranged on the lower compound plate between the mold feet, a straight ejector pin, an upper slide seat and a lower slide seat are arranged on the upper thimble plate and the lower thimble plate, an upper inclined ejector pin is arranged on the upper slide seat, a lower inclined ejector pin is arranged on the lower slide seat, a movable template is arranged on the mold feet, the straight ejector pin penetrates through the movable template and is connected with a straight ejector block, the upper inclined ejector pin penetrates through the movable template and is connected with a small inclined ejector block, the lower inclined ejector pin penetrates through the movable template and is connected with a large inclined ejector block, a large side slide block and a small side core pulling slide block are arranged on the movable template, inclined guide holes are respectively formed in the large side core pulling slide block and the small side core pulling slide block, and the large inclined guide holes are matched with the large side core pulling slide block, the oblique guide hole that little oblique guide pillar and little side loose core slider cooperate, have injection moulding's instrument desk lower protective plate between movable mould board, fixed die plate, straight kicking block, little oblique kicking block, big side loose core slider and the little side loose core slider, the system has preceding lug on the instrument desk lower protective plate, the system has a front card hole on the preceding lug, the left side system of instrument desk lower protective plate has left inserted sheet, the right side system of instrument desk lower protective plate has the turn-ups of inside buckling, the turn-ups of right side has right inserted sheet down, straight kicking block contact with the middle part lower extreme of instrument desk lower protective plate, big side loose core slider cooperatees with front lug and front card hole, little oblique kicking block cooperatees with left inserted sheet inner wall, big oblique kicking block cooperatees with turn-ups's right inner wall, little side loose core slider cooperatees with right inserted sheet outer wall.

The utility model discloses an injection mold demoulding mechanism for a lower instrument desk guard plate, when the lower instrument desk guard plate is injection molded, one side structure of a fixed mold is kept still, one side structure of a movable mold moves downwards to open the mold from a fixed mold plate and a movable mold plate, the lower instrument desk guard plate is left on the movable mold plate, when the mold is opened, a large inclined guide pillar on one side of the fixed mold is matched with an inclined guide hole of a large side core-pulling slider on one side of the movable mold to drive the large side core-pulling slider to slide outwards to draw out a front convex sheet and a front clamping hole of the lower instrument desk guard plate, a small inclined guide pillar is matched with an inclined guide hole of a small side core-pulling slider to drive the small side core-pulling slider to slide outwards to draw out a right inserted sheet of the lower instrument desk guard plate, then an upper ejector pin plate and a lower ejector pin plate drive a straight ejector pin, the upper inclined ejector pin and the lower inclined ejector pin move upwards together, the straight ejector pin drives the straight ejector pin to move upwards, the straight ejector block pushes the lower instrument desk protective plate to be upwards separated from the movable template, meanwhile, the upper oblique ejector rod drives the small oblique ejector block to upwards move, the lower oblique ejector rod drives the large oblique ejector block to upwards move, the upper oblique ejector rod gradually slides inwards while upwards moving, the lower portion of the upper oblique ejector rod slides along the upper sliding seat, the upper portion of the upper oblique ejector rod drives the small oblique ejector block to inwards slide, the small oblique ejector block inwards draws out the left insertion piece, the lower oblique ejector rod gradually slides inwards while upwards moving, the lower portion of the lower oblique ejector rod slides along the lower sliding seat, the upper portion of the lower oblique ejector rod drives the large oblique ejector block to inwards slide, the large oblique ejector block inwards draws out the right flanging, at the moment, all parts of the lower instrument desk protective plate complete core pulling, finally, the lower instrument desk protective plate can be easily taken out manually through a mechanical arm or people, all parts of the lower instrument desk protective plate can smoothly perform core pulling and demolding, and the yield of plastic products is guaranteed.

The utility model discloses backplate injection mold demoulding mechanism under instrument desk, one side system of the slider of loosing core of big side has the constant head tank, sets up the side on the slider of loosing core of big side and looses core and insert, and the side system of loosing core and inserting one side has the locating piece, and the locating piece cooperatees with the constant head tank. Because the big side core-pulling slide block is large in size and easy to wear and tear with the contact surface of the lower instrument desk protective plate, the cost for replacing the whole big side core-pulling slide block after being worn is high, the side core-pulling insert and the big side core-pulling slide block are in a split structure, the positioning groove and the positioning block are used for assembling and positioning the big side core-pulling slide block and the big side core-pulling slide block, the side core-pulling insert and the instrument desk protective plate are fixed by the fastener, the side core-pulling insert is in contact with the lower instrument desk protective plate, the replacement after being worn is convenient, and the replacement and maintenance cost of parts in the later period is reduced.

Drawings

FIG. 1 is a schematic structural view of an injection mold demolding mechanism for a lower guard plate of an instrument desk of the present invention;

FIG. 2 is a schematic perspective view of a fixed mold side structure of an injection mold for a lower guard plate of an instrument desk;

FIG. 3 is a perspective view showing a movable mold side structure of an injection mold for a lower guard plate of an instrument desk;

FIG. 4 is a perspective view of the upper ejector plate, the lower ejector plate, the straight ejector rod, the upper inclined ejector rod, the lower inclined ejector rod, the straight ejector block, the small inclined ejector block, the large inclined ejector block and the lower instrument desk guard plate in a matched state;

FIG. 5 is a schematic perspective view of the upper ejector plate, the lower ejector plate, the straight ejector rod, the upper inclined ejector rod, the lower inclined ejector rod, the straight ejector block, the small inclined ejector block, the large inclined ejector block, the small side core-pulling slide block and the lower instrument desk guard plate in a matched state;

FIG. 6 is an enlarged partial view of FIG. 5 at A;

FIG. 7 is a perspective view of the large side core block and the side core block in an exploded state;

fig. 8 is a perspective view of the instrument desk lower guard plate.

Detailed Description

The utility model relates to an instrument desk lower guard plate injection mold demoulding mechanism, as shown in figure 1-figure 8, comprising an upper compound plate 1 and a lower compound plate 2, a runner plate 3 is arranged under the upper compound plate, a fixed template 4 is arranged under the runner plate, a large inclined guide post 5 and a small inclined guide post 6 are arranged under the fixed template, mold feet 8 are arranged on the lower compound plate, an upper thimble plate 9 and a lower thimble plate 10 are arranged on the lower compound plate between the mold feet, a straight ejector rod 11, an upper slide seat 12 and a lower slide seat 13 are arranged on the upper and lower thimble plates, an upper inclined ejector rod 14 is arranged on the upper slide seat, a lower inclined ejector rod 15 is arranged on the lower slide seat, a movable template 16 is arranged on the mold feet, the straight ejector rod passes through the movable template and is connected with a straight ejector block 17, the upper inclined ejector rod passes through the movable template and is connected with a small inclined ejector block 18, the lower inclined ejector rod passes through the movable template and is connected with a large inclined ejector block 19, a large side slide block 20 and a small side block 21 are arranged on the movable template, and a large side block and a small side block are respectively provided with a core-pulling hole, the large inclined guide post 5 is matched with an inclined guide hole of a large side core-pulling slide block, the small inclined guide post 6 is matched with an inclined guide hole of a small side core-pulling slide block, an injection molding instrument desk lower guard plate 22 is arranged between a movable mold plate 16, a fixed mold plate 4, a straight ejector block 17, a small inclined ejector block 18, a large inclined ejector block 19, a large side core-pulling slide block 20 and a small side core-pulling slide block 21, a front lug 23 is arranged on the instrument desk lower guard plate, a front clamping hole 24 is arranged on the front lug, a left insert sheet 25 is arranged on the left side of the instrument desk lower guard plate, a right turn-over edge 26 which is bent inwards is arranged on the right side of the instrument desk lower guard plate, a right insert sheet 27 is arranged below the right turn-over edge, the straight ejector block 17 is contacted with the lower end of the middle part of the instrument desk lower guard plate 22, the large side core-pulling slide block 20 is matched with the front lug 23 and the front clamping hole 24, the small inclined ejector block 18 is matched with the inner wall of the left insert sheet 25, the large inclined ejector block 19 is matched with the inner wall of the right turn-over edge 26, the small side core-pulling slide block 21 is matched with the outer wall of the right insert sheet 27. After the lower instrument desk guard plate 22 is injection molded, the structure on one side of the fixed mold is kept still, while the structure on one side of the movable mold moves downwards, so that the mold is opened from the fixed mold plate 4 and the movable mold plate 16, the lower instrument desk guard plate 22 is left on the movable mold plate, when the mold is opened, the large inclined guide post 5 on one side of the fixed mold is matched with the inclined guide hole of the large side core-pulling slide block 20 on one side of the movable mold to drive the large side core-pulling slide block to slide outwards to draw out a front convex sheet 23 and a front clamping hole 24 of an instrument desk lower protective plate 22, the small inclined guide post 6 is matched with the inclined guide hole of the small side core-pulling slide block 21 to drive the small side core-pulling slide block to slide outwards to draw out a right inserting sheet 27 of the instrument desk lower protective plate, then the upper ejector plate 9 and the lower ejector plate 10 drive the straight ejector rod 11, the upper oblique ejector rod 14 and the lower oblique ejector rod 15 to move upwards together, the straight ejector rod drives the straight ejector block 17 to move upwards, the straight ejector block pushes the lower guard plate of the instrument desk to move upwards to remove the movable template 16, meanwhile, the upper oblique ejector rod 14 drives the small oblique ejector block 18 to move upwards, the lower oblique ejector rod 15 drives the large oblique ejector block 19 to move upwards, the upper oblique ejector rod gradually slides inwards while moving upwards, the lower portion of the upper oblique ejector rod 14 slides along the upper sliding seat 12, the upper portion of the upper oblique ejector rod drives the small oblique ejector block 18 to slide inwards, the small oblique ejector block inwards draws the left insertion piece 25, the lower oblique ejector rod 15 gradually slides inwards while moving upwards, the lower portion of the lower oblique ejector rod slides along the lower sliding seat 13, the upper portion of the lower oblique ejector rod drives the large oblique ejector block 19 to slide inwards, the large oblique ejector block inwards draws the right flanging 26, at the moment, all parts of the lower instrument desk protective plate 22 are subjected to core pulling, and finally the lower instrument desk protective plate can be easily taken out through a mechanical hand or manually by people, so that all parts of the lower instrument desk protective plate can be smoothly demolded, and the yield of plastic products is guaranteed. One side of the large side core-pulling slide block 20 is provided with a positioning groove 28, the large side core-pulling slide block is provided with a side core-pulling insert 29, one side of the side core-pulling insert is provided with a positioning block 30, and the positioning block is matched with the positioning groove. Because the big side core-pulling slide block 20 is large in size and easy to wear and tear on the contact surface with the lower instrument desk guard plate 22, the cost for replacing the whole big side core-pulling slide block 20 after being worn is high, the side core-pulling insert 29 and the big side core-pulling slide block are in a split structure, the positioning groove 28 and the positioning block 30 are used for assembling and positioning the big side core-pulling slide block and the big side core-pulling slide block, the big side core-pulling slide block and the big side core-pulling slide block are fixed by the fastener, the side core-pulling insert 29 is in contact with the lower instrument desk guard plate 22, the replacement after being worn is convenient, and the replacement and maintenance cost of components in the later period is reduced.

Claims

1. Backplate injection mold demoulding mechanism under instrument desk, its characterized in that: the injection molding device comprises an upper compound plate (1) and a lower compound plate (2), wherein a runner plate (3) is arranged below the upper compound plate, a fixed template (4) is arranged below the runner plate, a large inclined guide post (5) and a small inclined guide post (6) are arranged below the fixed template, mold feet (8) are arranged on the lower compound plate, an upper ejector pin plate (9) and a lower ejector pin plate (10) are arranged on the lower compound plate between the mold feet, straight ejector pins (11), an upper sliding seat (12) and a lower sliding seat (13) are arranged on the upper ejector pin plate and the lower ejector pin plate, an upper inclined ejector pin (14) is arranged on the upper sliding seat, a lower inclined ejector pin (15) is arranged on the lower sliding seat, a movable template (16) is arranged on the mold feet, the straight ejector pin penetrates through the movable template to be connected with a straight ejector block (17), the upper inclined ejector pin penetrates through the movable template to be connected with a small inclined ejector block (18), the lower inclined ejector pin penetrates through the movable template to be connected with a large inclined ejector block (19), a large side guide hole slider (20) and a small side guide hole slider (21) are arranged on the movable template, a large side guide hole slider (17) and a small inclined ejector pin slider (18) are respectively arranged in the large side guide hole slider (21) and a small side guide hole slider (17) matched with a small inclined ejector pin guide hole slider (6) in the fixed template, and a small inclined ejector pin guide hole slider (17) in the large side slider, and a small inclined ejector pin slider (19) in the fixed template, and a large side guide hole slider (17) in the core-pulling slider, and a small inclined ejector pin slider (19) are matched with the inclined ejector pin guide hole slider (17) in the core-pulling slider (19) in the core-pulling slider, and an injection molding instrument guide hole slider (19) in the fixed template, and an inclined ejector pin molding board, the system has preceding lug (23) on the backplate under the instrument desk, and the system has preceding card hole (24) on the preceding lug, and the left side system of backplate under the instrument desk has left inserted sheet (25), and the right side system of backplate under the instrument desk has turn-ups (26) of inside buckling, and turn-ups has right inserted sheet (27) down, straight kicking block (17) contact with the middle part lower extreme of backplate (22) under the instrument desk, and big side core pulling slider (20) cooperatees with preceding lug (23) and preceding card hole (24), and little oblique kicking block (18) cooperate with left inserted sheet (25) inner wall, and big oblique kicking block (19) cooperate with the inner wall of turn-ups (26), and little side core pulling slider (21) cooperate with right inserted sheet (27) outer wall.

2. The injection mold demoulding mechanism for the lower guard plate of the instrument desk as claimed in claim 1, is characterized in that: one side of the large side core-pulling sliding block (20) is provided with a positioning groove (28), a side core-pulling insert (29) is arranged on the large side core-pulling sliding block, one side of the side core-pulling insert is provided with a positioning block (30), and the positioning block is matched with the positioning groove.