CN213082226U - Ejection structure of injection mold - Google Patents
Ejection structure of injection mold Download PDFInfo
- Publication number
- CN213082226U CN213082226U CN202020718584.7U CN202020718584U CN213082226U CN 213082226 U CN213082226 U CN 213082226U CN 202020718584 U CN202020718584 U CN 202020718584U CN 213082226 U CN213082226 U CN 213082226U
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- mounting
- plate
- sliding
- fixed
- cavity
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- 238000002347 injection Methods 0.000 title claims abstract description 21
- 239000007924 injection Substances 0.000 title claims abstract description 21
- 238000001746 injection moulding Methods 0.000 claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000010030 laminating Methods 0.000 claims description 6
- 239000004033 plastic Substances 0.000 abstract description 12
- 229920003023 plastic Polymers 0.000 abstract description 12
- 238000000465 moulding Methods 0.000 abstract description 9
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Images
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- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses an injection mold ejection structure, which comprises a lower die holder, guide rods, a mounting plate and a top plate, wherein four groups of guide rods are vertically fixed at four corners of the top of the lower die holder, the top of each guide rod is fixed with the top plate, mounting grooves are formed in the four corners of the mounting plate, and an upper die base is arranged at the bottom of the mounting plate; the injection molding cavity is formed in the top of the lower die holder, the lifting cavity is formed in the position, corresponding to the injection molding cavity, of the lower die holder, the lifting structure is arranged in the lifting cavity, a plurality of groups of ejector rods are arranged at the top of the lifting structure, a mounting disc is fixed to the top of the ejector rods, one side, away from the ejector rods, of the mounting disc is provided with a top plate, and the mounting cavity for mounting the top plate is formed in the bottom of the injection molding cavity. This injection mold ejection structure, reasonable in design can carry out fine ejecting processing to it after the completion of moulding plastics, and then avoids the injection molding card at the intracavity of moulding plastics, and the convenience is changed the top piece simultaneously, is fit for using widely.
Description
Technical Field
The utility model belongs to the technical field of injection mold, concretely relates to injection mold is ejecting structure.
Background
Injection molding is a method for producing and molding industrial products. The products are generally produced by rubber injection molding and plastic injection molding. The injection molding can be classified into injection molding and die casting. An injection molding machine (an injection machine or an injection molding machine for short) is a main molding device for making thermoplastic plastics or thermosetting materials into plastic products with various shapes by using a plastic molding die, and the injection molding is realized by the injection molding machine and the die. The existing injection mold is often difficult to take out a plastic injection molding piece in an injection molding cavity after injection molding.
Therefore, an ejection structure of the injection mold is needed to solve the problem that the plastic injection molding piece is not easy to take in the injection molding cavity.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an injection mold is ejecting structure to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an ejection structure of an injection mold comprises a lower die holder, guide rods, a mounting plate and a top plate, wherein four groups of guide rods are vertically fixed at four corners of the top of the lower die holder, the top plate is fixed at the tops of the guide rods, mounting grooves are formed in the four corners of the mounting plate, sliding sleeves are fixed in the mounting grooves, the mounting plate is sleeved on the guide rods in a sliding mode through the sliding sleeves, a hydraulic rod is installed at the center of the top of the mounting plate, the top of the hydraulic rod is fixed at the bottom of the top plate, and an upper die holder is arranged at the bottom;
the injection molding cavity is formed in the top of the lower die holder, the lifting cavity is formed in the position, corresponding to the injection molding cavity, of the lower die holder, the lifting structure is arranged in the lifting cavity, a plurality of groups of ejector rods are arranged at the top of the lifting structure, a mounting disc is fixed to the top of the ejector rods, one side, away from the ejector rods, of the mounting disc is provided with a top plate, and the mounting cavity for mounting the top plate is formed in the bottom of the injection molding cavity.
Preferably, elevation structure includes sliding plate, slide, cooperation board and drive structure, the slide slides and sets up in the lift chamber, slide top department is fixed with a plurality of groups ejector pin, and lift chamber bottom department parallel arrangement has two sets of sliding plates, and is two sets of the same one side edge of sliding plate is fixed with the cooperation board, all set up the groove that passes that supplies the cooperation board to pass on the sliding plate, the center department of lift chamber rotates and is provided with drive structure, and drive structure sets up between two sets of cooperation boards, the articulated branch of installing of sliding plate top department a plurality of groups, articulated the installing in sliding plate bottom department in branch top, the lift chamber is close to middle section department and is provided with the worm.
Preferably, the transmission structure includes worm wheel and meshing wheel, fix through the connecting rod between worm wheel and the meshing wheel, meshing wheel and two sets of cooperation boards laminating, the cooperation board meshes with one side of meshing wheel laminating, the cooperation transmission between worm wheel and the worm, the one end of worm is provided with driving motor.
Preferably, the two sets of matching plates are arranged in a staggered mode, the bottom of the sliding plate is fixedly provided with a limiting block, the bottom of the lifting cavity is provided with a limiting groove for the limiting block to slide, and the vertical cross sections of the limiting block and the limiting groove are in a convex shape.
Preferably, two parallel side edges of the mounting disc are provided with fastening grooves, two sets of matching pieces are symmetrically fixed on one side edge of the top plate, the matching pieces are inserted and installed in the fastening grooves, and mounting holes are drilled in the matching pieces and the fastening grooves.
The utility model discloses a technological effect and advantage: this injection mold ejection structure, through the elevation structure who sets up, sliding plate among the elevation structure, the ejector pin, the mounting disc, the fastening groove, branch, the sliding plate, cooperation board and top piece and the cooperation between the driving motor, can be ejecting to supplementary injection molding after work, and then avoid the injection molding card can't take out the circumstances such as in the injection molding intracavity, can conveniently change the top piece through setting up mounting disc on the ejector pin, fastening groove and top piece and cooperation piece and the mounting hole above that. This injection mold ejection structure, reasonable in design can carry out fine ejecting processing to it after the completion of moulding plastics, and then avoids the injection molding card at the intracavity of moulding plastics, and the convenience is changed the top piece simultaneously, is fit for using widely.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of the point A in FIG. 2 according to the present invention;
fig. 4 is a cross-sectional view taken along line B-B of fig. 2 in accordance with the present invention;
fig. 5 is a schematic structural view of the top plate and the mounting plate of the present invention after being disassembled.
In the figure: the device comprises a top plate 1, a mounting plate 2, a sliding sleeve 21, a guide rod 3, a lower die holder 4, a top plate 5, a matching sheet 51, a hydraulic rod 6, an upper die holder 7, a lifting structure 8, a sliding sheet 9, a push rod 10, a mounting plate 11, a fastening groove 111, a support rod 12, a sliding plate 13, a matching plate 14, a transmission structure 15, a worm wheel 151, a meshing wheel 152 and a transmission motor 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides an injection mold ejection structure as shown in figures 1-5, which comprises a lower die holder 4, four groups of guide rods 3, a mounting plate 2 and a top plate 1, wherein four groups of guide rods 3 are vertically fixed at four corners of the top of the lower die holder 4, the top of each guide rod 3 is fixed with the top plate 1, mounting grooves are formed at four corners of the mounting plate 2, a sliding sleeve 21 is fixed in each mounting groove, the mounting plate 2 is slidably sleeved on the guide rods 3 through the sliding sleeve 21, a hydraulic rod 6 is installed at the center of the top of the mounting plate 2, the top of the hydraulic rod 6 is fixed at the bottom of the top plate 1, and an upper die base 7 is arranged at the bottom of the;
the injection molding cavity is formed in the top of the lower die holder 4, the lifting cavity is formed in the position, right below the injection molding cavity, of the lower die holder 4, the lifting structure 8 is arranged inside the lifting cavity, the top of the lifting structure 8 is provided with a plurality of groups of ejector rods 10, the top of the ejector rods 10 is fixed with a mounting disc 11, one side, far away from the ejector rods 10, of the mounting disc 11 is provided with a top plate 5, and the mounting cavity for mounting the top plate 5 is formed in the bottom of the injection molding cavity.
Specifically, elevation structure 8 includes sliding plate 13, slide 9, cooperation board 14 and drive structure 15, slide 9 slides and sets up in the lift chamber, slide 9 top department is fixed with a plurality of groups ejector pin 10, and lift chamber bottom department parallel arrangement has two sets of sliding plates 13, and is two sets of sliding plate 13 is fixed with cooperation board 14 with one side edge, all set up the groove of passing that supplies cooperation board 14 to pass on sliding plate 13, the center department in lift chamber rotates and is provided with drive structure 15, and drive structure 15 sets up between two sets of cooperation boards 14, a plurality of groups of branch 12 are installed in the articulated department in sliding plate 13 top to sliding plate 13 top, the lift chamber is close to the middle part department and is provided with the worm.
Specifically, drive structure 15 includes worm wheel 151 and meshing wheel 152, fix through the connecting rod between worm wheel 151 and the meshing wheel 152, meshing wheel 152 and two sets of cooperation board 14 laminating, one side meshing of cooperation board 14 and meshing wheel 152 laminating, the cooperation transmission between worm wheel 151 and the worm, the one end of worm is provided with driving motor 16.
Specifically, the two sets of matching plates 14 are arranged in a staggered mode, limiting blocks are fixed to the bottoms of the sliding plates 13, limiting grooves for the limiting blocks to slide are formed in the bottoms of the lifting cavities, and the vertical cross sections of the limiting blocks and the limiting grooves are in a convex shape.
Specifically, two parallel sides of the mounting disc 11 are provided with fastening grooves 111, two sets of matching pieces 51 are symmetrically fixed on one side of the top plate 5, the matching pieces 51 are inserted into the fastening grooves 111, and mounting holes are drilled in the matching pieces 51 and the fastening grooves 111.
The working principle is as follows: this injection mold ejection structure, during injection molding, hydraulic stem 6 extension drives mounting panel 2 descends, and then makes upper die base 7 descend, cover in the injection molding chamber in upper die base 7 decline process, and then mould plastics, after cooling after moulding plastics, start drive motor 16, drive motor 16 drives the worm and rotate, the cooperation between worm and worm wheel 151, and then make worm wheel 151 rotate, drive structure 15 when worm wheel 151 rotates and wholly rotate, and then make meshing wheel 152 rotate, mesh between meshing wheel 152 and the cooperation board 14, and then make cooperation board 14 move to both sides, and then make sliding plate 13 move, and then make branch 12 prop up slide 9, and then make ejector pin 10 ejecting, and then carry out the ejection clearance to the injection molding piece, it can to push out the dismantlement of top plate 5 when needing to change top plate 5. This injection mold ejection structure, reasonable in design can carry out fine ejecting processing to it after the completion of moulding plastics, and then avoids the injection molding card at the intracavity of moulding plastics, and the convenience is changed the top piece simultaneously, is fit for using widely.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (5)
1. The utility model provides an ejecting structure of injection mold, includes die holder (4), guide bar (3), mounting panel (2) and roof (1), its characterized in that: four groups of guide rods (3) are vertically fixed at four corners of the top of the lower die holder (4), a top plate (1) is fixed at the top of each guide rod (3), mounting grooves are formed in four corners of the mounting plate (2), a sliding sleeve (21) is fixed inside each mounting groove, the mounting plate (2) is sleeved on the guide rods (3) in a sliding mode through the sliding sleeve (21), a hydraulic rod (6) is installed at the center of the top of the mounting plate (2), the top of the hydraulic rod (6) is fixed at the bottom of the top plate (1), and an upper die holder (7) is arranged at the bottom of the mounting plate (2);
the injection molding cavity is formed in the top of the lower die holder (4), the lifting cavity is formed in the position, under the injection molding cavity, of the lower die holder (4), the lifting structure (8) is arranged inside the lifting cavity, a plurality of groups of ejector rods (10) are arranged at the top of the lifting structure (8), a mounting disc (11) is fixed to the top of the ejector rods (10), a top plate (5) is arranged on one side, away from the ejector rods (10), of the mounting disc (11), and the mounting cavity for mounting the top plate (5) is formed in the bottom of the injection molding cavity.
2. An injection mold ejection structure as in claim 1, wherein: the lifting structure (8) comprises a sliding plate (13), a sliding sheet (9), a matching plate (14) and a transmission structure (15), the sliding sheet (9) is arranged in the lifting cavity in a sliding manner, a plurality of groups of ejector rods (10) are fixed at the top of the sliding sheet (9), two groups of sliding plates (13) are arranged at the bottom of the lifting cavity in parallel, a matching plate (14) is fixed on the same side edge of the two groups of sliding plates (13), the sliding plates (13) are all provided with through grooves for the matching plates (14) to pass through, the center of the lifting cavity is rotatably provided with a transmission structure (15), and the transmission structure (15) is arranged between two groups of matching plates (14), a plurality of groups of supporting rods (12) are hinged at the top of the sliding plate (13), the top of the supporting rod (12) is hinged to the bottom of the sliding plate (13), and a worm is arranged at the position, close to the middle section, of the lifting cavity.
3. An injection mold ejection structure as in claim 2, wherein: drive structure (15) include worm wheel (151) and engaging wheel (152), fix through the connecting rod between worm wheel (151) and engaging wheel (152), engaging wheel (152) and two sets of cooperation board (14) laminating, one side meshing of cooperation board (14) and engaging wheel (152) laminating, the cooperation transmission between worm wheel (151) and the worm, the one end of worm is provided with driving motor (16).
4. An injection mold ejection structure as in claim 2, wherein: the two sets of matching plates (14) are arranged in a staggered mode, limiting blocks are fixed to the bottoms of the sliding plates (13), limiting grooves for the limiting blocks to slide are formed in the bottoms of the lifting cavities, and the vertical cross sections of the limiting blocks and the limiting grooves are in a convex shape.
5. An injection mold ejection structure as in claim 1, wherein: fastening grooves (111) are formed in two parallel side edges of the mounting disc (11), two pairs of matching pieces (51) are symmetrically fixed on one side edge of the top plate (5), the matching pieces (51) are installed in the fastening grooves (111) in an inserted mode, and mounting holes are drilled in the matching pieces (51) and the fastening grooves (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020718584.7U CN213082226U (en) | 2020-05-06 | 2020-05-06 | Ejection structure of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020718584.7U CN213082226U (en) | 2020-05-06 | 2020-05-06 | Ejection structure of injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213082226U true CN213082226U (en) | 2021-04-30 |
Family
ID=75601846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020718584.7U Expired - Fee Related CN213082226U (en) | 2020-05-06 | 2020-05-06 | Ejection structure of injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213082226U (en) |
-
2020
- 2020-05-06 CN CN202020718584.7U patent/CN213082226U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210430 |
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| CF01 | Termination of patent right due to non-payment of annual fee |