CN220482448U - Mold insert structure of injection mold - Google Patents
Mold insert structure of injection mold Download PDFInfo
- Publication number
- CN220482448U CN220482448U CN202322063165.0U CN202322063165U CN220482448U CN 220482448 U CN220482448 U CN 220482448U CN 202322063165 U CN202322063165 U CN 202322063165U CN 220482448 U CN220482448 U CN 220482448U
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- mould
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- 238000002347 injection Methods 0.000 title claims abstract description 18
- 239000007924 injection Substances 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000004140 cleaning Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a mold insert structure of an injection mold, which comprises a lower mold, an upper mold, an insert block, a pressure cavity and a valve, wherein the upper surface of the lower mold is provided with the upper mold, the insert block is arranged in the lower mold, the pressure cavity is arranged in the lower end of the lower mold, the valve is arranged on the lower surface of the lower mold, one end of the piston block is arranged in the pressure cavity, the upper end of the piston block is fixedly connected with a bearing plate, the upper surface of the bearing plate is fixedly provided with a positioning pin, the lower mold is internally fixedly provided with a sealing plate, the side surface of the upper mold is fixedly provided with a push rod, and the lower end of the push rod is fixedly connected with a sliding frame. According to the mold insert structure of the injection mold, through the mode that the closing plate is attached to the outer surface of the insert block through the upper surface after the insert block is installed, gap flash between the insert block and the lower mold can be controlled in a reasonable range, and quick cleaning and use after mold demolding cannot be affected.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to a mold insert structure of an injection mold.
Background
When the mold core of a mold consists of a plurality of workpieces, the embedded parts except the steel materials of the mold main body are called inserts, the inserts have the greatest defects of reducing the strength of the mold, but the inserts can use different raw materials to independently increase the strength of a single thin part, the inserts can be square, round and sheet-shaped, and have very high requirements on precision as all mold parts, generally have no finished products and are customized according to the requirements of the mold, but the inserts are worn along with the increase of the disassembly times when in use, so that the gaps between the inserts and the mold become large, serious flash is caused, and the inserts are required to be ground again or ground after repair welding is carried out on the original inserts, so that the operation is very troublesome.
Disclosure of Invention
The utility model aims to provide a mold insert structure of an injection mold, which aims to solve the problem that the insert proposed in the background art is easy to generate flash.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an injection mold's mould mold insert structure, includes lower mould, goes up mould, mold insert piece, pressure chamber and valve, the upper surface of lower mould has been placed and has been gone up the mould, and the internally mounted of lower mould has the mold insert piece, the pressure chamber has been seted up to the lower extreme inside of lower mould, and the lower surface mounting of lower mould has the valve, the inside of pressure chamber is provided with the one end of piston piece, and the upper end fixedly connected with carrier plate of piston piece to the upper surface fixed of carrier plate is provided with the locating pin, the inside fixed mounting of lower mould has the closure plate, and the one end fixedly connected with pressure bar of closure plate towards the lower mould outside, the transfer press tube has been seted up to the lower extreme inside of lower mould, the lower surface fixed plate of carrier plate is connected with the one end of gangbar, and the other end penetration lower mould of gangbar to the one end internal fixation that the gangbar is located the lower mould outside is provided with the dog, the side surface fixed of going up the mould is provided with the release bar, and the lower extreme fixedly connected with slide frame of release bar.
Preferably, the lower end side surface of the insert block is provided with an inward concave groove, and the groove of the lower end side surface of the insert block is designed in a ring shape.
By adopting the technical scheme, the insert block can be blocked and closed by the groove on the side surface of the lower end and the closing plate.
Preferably, the pressure cavity is in sliding friction connection with the piston block, and the lower end of the pressure cavity is penetrated by one end of the pressure transmission pipe.
By adopting the technical scheme, the piston block can compress air in the pressure cavity to enter the pressure transmission pipe by sliding.
Preferably, the end of the closing plate facing the insert block is designed as a C-shaped opening, the inner side surface of one end of the C-shaped opening of the closing plate is tightly attached to the inner surface of the groove of the side surface of the insert block, a spring is connected between the closing plate and the lower die, 2 opposite ends of the closing plate are attached to each other, the lower surface of the opposite ends of the 2 closing plates is designed as an inclined surface, and the upper surface of the opposite ends of the 2 closing plates are attached to the upper surface of the groove of the side surface of the insert block.
By adopting the technical scheme, when the insert block does not slide in place, the sealing plate can be gradually clamped with the groove on the side surface of the insert block through the inclined surface, so that the excessive sliding resistance of the piston block caused by the excessive internal pressure of the pressure transmission pipe is prevented.
Preferably, one end of the pressure transmission pipe is penetrated by a pressure rod, and the pressure rod is in sliding friction connection with the pressure transmission pipe.
By adopting the technical scheme, the pressure transmission pipe can push the pressure rod and the sealing plate to slide through pressure.
Preferably, the sliding frame is penetrated by the linkage rod, and the sliding frame is in sliding connection with the linkage rod.
By adopting the technical scheme, the sliding frame can be blocked by the stop block to drive the linkage rod to slide upwards when sliding up to the stop block.
Compared with the prior art, the utility model has the beneficial effects that: the mold insert structure of the injection mold comprises:
1. the clearance overflow between the insert and the lower die can be controlled within a reasonable range by the way that the sealing plate is attached to the outer surface of the insert through the upper surface after the insert is mounted, so that the quick cleaning and use after the die is demolded are not influenced;
2. the bearing plate can drive the piston block to slide through pressure to push the sealing plate by means of clamping and positioning the insert block and the positioning pin and extruding and sliding the bearing plate by the insert block, so that the sealing plate automatically locks the insert block after the insert block is installed in place;
3. when the upper die slides upwards after injection molding is finished and the valve is opened for pressure relief, the sliding frame can slide to drive the linkage rod and the stop block to slide upwards by one end distance, so that the bearing plate can drive the insert block to slide upwards by one distance to eject a product out of the lower die to facilitate demoulding.
Drawings
FIG. 1 is a schematic diagram of the overall front cross-sectional structure of the present utility model;
FIG. 2 is a schematic overall cross-sectional view of the present utility model;
FIG. 3 is a schematic diagram of the overall side view of the present utility model;
FIG. 4 is a schematic diagram of the overall side cross-sectional structure of the present utility model;
fig. 5 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.
In the figure: 1. a lower die; 2. an upper die; 3. an insert block; 4. a pressure chamber; 5. a valve; 6. a piston block; 7. a bearing plate; 8. a positioning pin; 9. a closing plate; 10. a pressure rod; 11. a pressure transmission tube; 12. a linkage rod; 13. a stop block; 14. a push-out lever; 15. and (5) sliding a frame.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the present utility model provides a technical solution: the mold insert structure of the injection mold comprises a lower mold 1, an upper mold 2, an insert block 3, a pressure cavity 4, a valve 5, a piston block 6, a bearing plate 7, a positioning pin 8, a sealing plate 9, a pressure rod 10, a pressure transmission pipe 11, a linkage rod 12, a stop block 13, a push rod 14 and a sliding frame 15, wherein the upper surface of the lower mold 1 is provided with the upper mold 2, the insert block 3 is arranged in the lower mold 1, the pressure cavity 4 is arranged in the lower end of the lower mold 1, the valve 5 is arranged in the lower surface of the lower mold 1, one end of the piston block 6 is arranged in the pressure cavity 4, the upper end of the piston block 6 is fixedly connected with the bearing plate 7, the positioning pin 8 is fixedly arranged on the upper surface of the bearing plate 7, the sealing plate 9 is fixedly arranged in the lower mold 1, one end of the sealing plate 9 facing the outer part of the lower mold 1 is fixedly connected with the pressure rod 10, the pressure transmission pipe 11 is arranged in the lower end of the lower mold 1, the lower end side surface of the insert block 3 is provided with an inward concave groove, the groove of the lower end side surface of the insert block 3 is in annular design, the pressure cavity 4 is in sliding friction connection with the piston block 6, the lower end of the pressure cavity 4 is penetrated by one end of the pressure transmission pipe 11, one end of the sealing plate 9 facing the insert block 3 is in C-shaped opening design, the inner side surface of one end of the C-shaped opening of the sealing plate 9 is tightly jointed with the inner surface of the groove of the side surface of the insert block 3, a spring is connected between the sealing plate 9 and the lower die 1, one end of the 2 sealing plates 9 is jointed, the lower surface of one end of the 2 sealing plates 9 facing is in inclined surface design, the upper surface of one end of the 2 sealing plates 9 facing the upper surface of the groove of the side surface of the insert block 3 is jointed, one end of the pressure transmission pipe 11 is penetrated by the pressure rod 10, the pressure rod 10 is in sliding friction connection with the pressure transmission pipe 11, when the insert 3 is installed, the insert 3 is aligned to the positioning pin 8 on the upper surface of the supporting plate 7, so that the insert 3 is accurately clamped with the supporting plate 7 under the guiding action of the positioning pin 8 and keeps a gap with the installation position of the insert of the lower die 1 even, at the moment, along with the sliding of the supporting plate 7, the piston block 6 slides downwards to compress air in the pressure cavity 4, at the moment, the air cannot press the pressure rod 10 through the pressure transmission pipe 11 through the discharge of the closed valve 5, the pressure rod 10 is supported by the insert 3 and cannot slide when the insert 3 does not slide in place, the pressure rod 10 is pushed by the pressure to drive the closing plate 9 to slide and clamp the compression spring with the groove on the side surface of the insert 3, and the gap between the lower die 1 and the insert 3 is stably closed by utilizing the fit between the upper surface of the closing plate 9 and the groove clamp inner top surface of the side surface of the insert 3, so that the gap between the lower die 1 and the insert 3 can only occur above the closing plate 9, and the purpose of controlling the degree of overflow is achieved.
The lower surface fixed plate of the bearing plate 7 is connected with one end of a linkage rod 12, the other end of the linkage rod 12 penetrates through the lower surface of the lower die 1, a stop block 13 is fixedly arranged in one end of the linkage rod 12, which is positioned outside the lower die 1, a push-out rod 14 is fixedly arranged on the side surface of the upper die 2, the lower end of the push-out rod 14 is fixedly connected with a sliding frame 15, the sliding frame 15 is penetrated by the linkage rod 12, the sliding frame 15 is in sliding connection with the linkage rod 12, after injection cooling is finished, the valve 5 is opened to release pressure of the pressure cavity 4, at the moment, the closing plate 9 is separated from the clamp belt of the insert block 3 under the support of a compressed spring, the pressure rod 10 is reset, then the upper die 2 is driven by a hydraulic mechanism to slide upwards, the stop block 13 is driven by the sliding frame 15 to slide upwards when the upper die 2 slides to the top, the stop block 13 drives the bearing plate 7 to slide upwards through the linkage rod 12, and the bearing 7 drives the product to slide upwards through the insert block 3 on the upper surface to perform demoulding.
Working principle: when the mold insert structure of the injection mold is used, the insert block 3 is positioned through the bearing plate 7 and the positioning pin 8, the sealing plate 9 is pushed to transversely slide by utilizing the pressure of the downward sliding of the insert block 3 to seal the joint of the insert block 3 and the lower mold 1, and the bearing plate 7 and the insert block 3 are driven to slide upwards when the upper mold 2 slides upwards to realize automatic demolding, so that the overall practicability is increased.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a mould mold insert structure of injection mold, includes lower mould (1), goes up mould (2), mold insert piece (3), pressure chamber (4) and valve (5), its characterized in that: the upper surface of lower mould (1) has placed last mould (2), and the internally mounted of lower mould (1) has mold insert piece (3), pressure chamber (4) have been seted up to the lower extreme inside of lower mould (1), and the lower surface mounting of lower mould (1) has valve (5), the inside of pressure chamber (4) is provided with the one end of piston block (6), and the upper end fixedly connected with carrier plate (7) of piston block (6) to the upper surface fixed of carrier plate (7) is provided with locating pin (8), the inside fixed mounting of lower mould (1) has closing plate (9), and the one end fixedly connected with pressure bar (10) of closing plate (9) towards the outside of lower mould (1), the lower extreme inside of lower mould (1) has been seted up and has been passed down pressure tube (11), the lower surface fixed plate of carrier plate (7) is connected with the one end of gangbar (12), and the other end of gangbar (12) runs through the lower surface of lower mould (1) to the fixed surface of the fixed connection of block (14) of the inside of gangbar (1), and the fixed surface of the fixed connection of block (14) is provided with the fixed side of gangbar (14).
2. The mold insert structure of an injection mold according to claim 1, wherein: the lower end side surface of the insert block (3) is provided with an inwards concave groove, and the groove position of the lower end side surface of the insert block (3) is designed in an annular mode.
3. The mold insert structure of an injection mold according to claim 1, wherein: the pressure cavity (4) is in sliding friction connection with the piston block (6), and the lower end of the pressure cavity (4) is penetrated by one end of the pressure transmission pipe (11).
4. The mold insert structure of an injection mold according to claim 1, wherein: the sealing plate (9) is designed towards the opening of the C shape towards one end of the insert block (3), the inner side surface of one end of the C-shaped opening of the sealing plate (9) is tightly attached to the inner surface of the groove of the side surface of the insert block (3), a spring is connected between the sealing plate (9) and the lower die (1), 2 opposite ends of the sealing plate (9) are attached to each other, the lower surface of opposite ends of the 2 sealing plates (9) is designed into an inclined surface, and the upper surface of opposite ends of the 2 sealing plates (9) are attached to the upper surface of the groove of the side surface of the insert block (3).
5. The mold insert structure of an injection mold according to claim 1, wherein: one end of the pressure transmission pipe (11) is penetrated by a pressure rod (10), and the pressure rod (10) is in sliding friction connection with the pressure transmission pipe (11).
6. The mold insert structure of an injection mold according to claim 1, wherein: the sliding frame (15) is penetrated by the linkage rod (12), and the sliding frame (15) is in sliding connection with the linkage rod (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322063165.0U CN220482448U (en) | 2023-08-02 | 2023-08-02 | Mold insert structure of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322063165.0U CN220482448U (en) | 2023-08-02 | 2023-08-02 | Mold insert structure of injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220482448U true CN220482448U (en) | 2024-02-13 |
Family
ID=89828568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322063165.0U Active CN220482448U (en) | 2023-08-02 | 2023-08-02 | Mold insert structure of injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220482448U (en) |
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2023
- 2023-08-02 CN CN202322063165.0U patent/CN220482448U/en active Active
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