CN221417321U - Demoulding mechanism of tray footing injection mould - Google Patents
Demoulding mechanism of tray footing injection mould Download PDFInfo
- Publication number
- CN221417321U CN221417321U CN202322809509.8U CN202322809509U CN221417321U CN 221417321 U CN221417321 U CN 221417321U CN 202322809509 U CN202322809509 U CN 202322809509U CN 221417321 U CN221417321 U CN 221417321U
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- mold
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- tray
- slide block
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- 238000002347 injection Methods 0.000 title claims abstract description 19
- 239000007924 injection Substances 0.000 title claims abstract description 19
- 150000001875 compounds Chemical class 0.000 claims abstract description 22
- 238000001746 injection moulding Methods 0.000 claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The demolding mechanism of the tray footing injection mold comprises an upper compound plate and a lower compound plate, wherein a base plate is arranged below the upper compound plate, a runner plate is arranged in the base plate, a fixed template is arranged below the base plate, a mold foot is arranged on the lower compound plate, an upper ejector plate, a lower ejector plate and an ejector pin are arranged on the lower compound plate between the mold feet, a movable template is arranged on the mold foot, a movable mold insert and a side core-pulling slide block are arranged on the movable template, a mold cavity is formed between the fixed template, the movable mold insert and the side core-pulling slide block, a tray footing formed in the mold cavity in an injection molding manner is formed in the mold cavity, an inverted buckle is formed on the side wall of the tray footing, a fixed seat is arranged below the fixed template, an inclined guide pillar is arranged in the fixed seat, a mold locking insert is arranged below the fixed seat, a mold locking inclined surface is formed on the side wall of the mold locking insert, an inclined guide hole is formed in the side core-pulling slide block, and the outer wall of the side core-pulling slide block is matched with the inclined guide pillar.
Description
Technical Field
The utility model relates to an injection mold, in particular to a demolding mechanism of a tray foot injection mold.
Background
When adopting injection mold to produce plastic product, if make the back-off structure on plastic product's both sides outer wall respectively, traditional mode sets up side slider and hydro-cylinder of loosing core in injection mold's both sides generally, after product injection molding, drives the side through the hydro-cylinder and looses core to both sides and take out the drawing of patterns, and the shortcoming that this structure exists is: 1. the oil cylinder is high in cost, the manufacturing cost of the die is increased, the core pulling action can be performed only after the die is opened, and the production efficiency of the die is affected; 2. when the mold is closed and injection molded, the side core-pulling sliding block is only locked through the oil cylinder, the mold locking force is poor, and when the injection molding pressure is overlarge, the product is easy to discard.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides the demolding mechanism of the tray footing injection mold, which has the advantages of simple structure, low manufacturing cost, reliable mold locking, product yield guarantee and production efficiency improvement.
The technical scheme of the demoulding mechanism of the tray footing injection mould is as follows: the mold comprises an upper compound plate and a lower compound plate, wherein a base plate is arranged below the upper compound plate, a runner plate is arranged in the base plate, a fixed mold plate is arranged below the base plate, mold legs are arranged on the lower compound plate between the mold legs, an upper ejector plate, a lower ejector plate and ejector pins are arranged on the lower compound plate between the mold legs, a movable mold plate is arranged on the mold legs, a movable mold insert and a side core-pulling slide block are arranged on the movable mold plate, a mold cavity is formed among the fixed mold plate, the movable mold insert and the side core-pulling slide block, a tray footing is formed in the mold cavity in an injection molding mode, a back-off is formed on the side wall of the tray footing, a fixed seat is arranged below the fixed mold plate, an inclined guide pillar is arranged in the fixed seat, a mold locking insert is formed below the fixed seat, a mold locking inclined surface is formed on the side wall of the mold locking insert, an inclined guide hole is formed in the side core-pulling slide block, the inclined guide hole is matched with the inclined guide pillar, and the outer wall of the side core-pulling slide block is matched with the mold locking inclined surface.
Further, a positioning lug is arranged on the movable mould plate, a positioning groove is arranged on one side of the side core-pulling sliding block, and the positioning lug is matched with the positioning groove.
The demolding mechanism of the tray footing injection mold has the beneficial effects that: through setting up oblique guide pillar in the fixing base, when the die sinking, utilize oblique guide pillar and the oblique guide hole cooperation of side slider of loosing core, drive it and carry out the action of loosing core, improved production efficiency, the structure is simpler, has reduced the manufacturing cost of mould, and the system has the mode locking inserted block under the fixing base, can play the mode locking effect to the slider of loosing core, the mode locking is reliable, guarantees the yield of product.
Drawings
FIG. 1 is a schematic diagram of a demolding mechanism of the tray foot injection mold of the present utility model;
Fig. 2 is an enlarged schematic view of a portion of fig. 1.
Detailed Description
The utility model relates to a demolding mechanism of a tray footing injection mold, which comprises an upper compound plate 1 and a lower compound plate 2, wherein a base plate 3 is arranged below the upper compound plate, a runner plate 4 is arranged in the base plate, a fixed die plate 5 is arranged below the base plate, a mold foot 6 is arranged on the lower compound plate, an upper ejector plate 7, a lower ejector plate 8 and an ejector pin 9 are arranged on the lower compound plate between the mold feet, a movable die plate 10 is arranged on the mold foot, a movable die insert 11 and a side core-pulling slide block 12 are arranged on the movable die plate, a mold cavity is formed among the fixed die plate 5, the movable die plate 10, the movable die insert 11 and the side core-pulling slide block 12, a tray footing 13 which is injection molded in the mold cavity is provided with a back-off 14, a fixed die plate 5 is provided with a fixed seat 15, an inclined guide pillar 16 is arranged in the fixed seat is provided with a mold locking insert 17, a mold locking inclined plane 18 is arranged on the side wall of the mold locking insert, an inclined guide hole is arranged in the side core-pulling slide block 12, and the inclined guide hole is matched with the inclined guide pillar 16, and the outer wall of the side core-pulling slide block is matched with the inclined plane 18.
Further, the movable mold plate 10 is provided with a positioning protrusion 21, and a positioning groove 22 is formed on one side of the side core-pulling slide block 12, and the positioning protrusion is matched with the positioning groove. The positioning lug 21 and the positioning groove 22 play a role in positioning the die assembly action of the side core-pulling slide block 12, so that the accurate positioning of the side core-pulling slide block 12 during die assembly is ensured, and the influence on the molding of products due to overlarge die assembly moving distance is avoided.
The utility model discloses a demolding mechanism of a tray footing injection mold, which is characterized in that after a tray footing 13 is injection molded, an injection molding machine drives a lower compound plate 2, a mold footing 6, an upper ejector pin plate 7, a lower ejector pin plate 8, an ejector pin 9, a movable template 10, a movable mold insert 11, a side core-pulling slide block 12 and the tray footing 13 to move downwards together, the upper compound plate 1, a base plate 3, a runner plate 4, a fixed template 5, a fixed seat 15 and an inclined guide post 16 keep motionless, the mold gradually evolves, the outer wall of the side core-pulling slide block 12 is gradually separated from contact with a mold locking inclined surface 18 of a mold locking insert block 17, meanwhile, the inclined guide post 16 is matched with the inclined guide hole 19 to drive the side core-pulling slide block to move outwards so as to separate from a back-off 14 on the side wall of the tray 13, finally, the power drives the upper ejector pin plate 7, the lower ejector pin plate 8 and the ejector pin 9 to eject the tray 13 upwards, and after the demolding of the tray footing 13 is completed, the mold footing 16 is gradually inserted into the inclined guide hole 19 of the side core-pulling slide block 12, and drives the side core-pulling slide block to reset, and finally the side core-pulling slide block is contacted with the outer wall of the side core-pulling slide block 18 of the side core-pulling slide block by the inclined guide surface 18. According to the demolding mechanism of the tray footing injection mold, the inclined guide pillar 16 is arranged in the fixed seat 15, and the inclined guide pillar is matched with the inclined guide hole 19 of the side core-pulling sliding block 12 to drive the side core-pulling sliding block to perform side core-pulling action when the mold is opened, so that the production efficiency is improved, the structure is simpler, the manufacturing cost of the mold is reduced, the mold locking inserting block 17 is manufactured under the fixed seat 15, the mold locking effect can be achieved on the side core-pulling sliding block 12, the mold locking is reliable, and the yield of products is guaranteed.
Claims (2)
1. The utility model provides a demoulding mechanism of tray footing injection mold, includes compound board (1) and compound board (2) down, sets up backing plate (3) under last compound board, sets up runner board (4) in the backing plate, sets up fixed die plate (5) under the backing plate, lower compound board on set up mould foot (6), set up thimble board (7), lower thimble board (8) and thimble (9) on the compound board down between the mould foot, set up movable mould board (10) on the mould foot, set up movable mould insert (11) and side slider (12) of loosing core on the movable mould board, form the die cavity between fixed die plate (5), movable mould board (10), movable mould insert (11) and side slider (12), injection moulding's tray footing (13) in the die cavity, the lateral wall system of tray footing has back-off (14), its characterized in that: fixed template (5) set up fixing base (15) down, set up oblique guide pillar (16) in the fixing base, the system has mode locking inserted block (17) down, the lateral wall system of mode locking inserted block has mode locking inclined plane (18), has oblique guide hole (19) in side loose core slider (12), oblique guide hole cooperatees with oblique guide pillar (16), the outer wall of side loose core slider cooperatees with mode locking inclined plane (18).
2. The tray foot injection mold release mechanism of claim 1, wherein: the movable mould plate (10) is provided with a positioning lug (21), one side of the side core-pulling sliding block (12) is provided with a positioning groove (22), and the positioning lug is matched with the positioning groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322809509.8U CN221417321U (en) | 2023-10-19 | 2023-10-19 | Demoulding mechanism of tray footing injection mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322809509.8U CN221417321U (en) | 2023-10-19 | 2023-10-19 | Demoulding mechanism of tray footing injection mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221417321U true CN221417321U (en) | 2024-07-26 |
Family
ID=92017098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322809509.8U Active CN221417321U (en) | 2023-10-19 | 2023-10-19 | Demoulding mechanism of tray footing injection mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221417321U (en) |
-
2023
- 2023-10-19 CN CN202322809509.8U patent/CN221417321U/en active Active
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