CN212219123U - Injection mold with automatic cutout mechanism - Google Patents
Injection mold with automatic cutout mechanism Download PDFInfo
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- CN212219123U CN212219123U CN202020518654.4U CN202020518654U CN212219123U CN 212219123 U CN212219123 U CN 212219123U CN 202020518654 U CN202020518654 U CN 202020518654U CN 212219123 U CN212219123 U CN 212219123U
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- Prior art keywords
- plate
- movable
- mould board
- runner
- movable mould
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- 238000002347 injection Methods 0.000 title claims abstract description 22
- 239000007924 injection Substances 0.000 title claims abstract description 22
- 229920003023 plastic Polymers 0.000 claims abstract description 19
- 239000004033 plastic Substances 0.000 claims abstract description 19
- 238000007493 shaping process Methods 0.000 claims abstract description 7
- 238000000465 moulding Methods 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000001746 injection moulding Methods 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 239000003292 glue Substances 0.000 description 7
- 238000010008 shearing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses an injection mold with automatic cutout mechanism, including the fixed die plate, the movable mould board, the shear plate, the center of fixed die plate runs through and is provided with the runner cover that floats, the mobilizable setting of shear plate is downthehole at the center pin of movable mould board, the front end of shear plate is just to the runner of the runner cover that floats, the rear end of shear plate is connected with and pushes the release link of unsteady runner cover runner position with it, form the spill between the front end of fixed die plate and the movable mould board and mould a shaping chamber, be provided with ejection mechanism around the axial at the front end of movable mould board, ejection mechanism includes ejector rod, reset spring and limiting plate, the front end of ejector rod runs through the movable mould board and extends to a shaping intracavity, the rear end of ejector rod with the limiting plate is connected. The shear plate is arranged to realize side cutting of the stub bar, automatic cutting of the stub bar is completed in the moment that the die retreats after injection molding is completed, defects and deformation of a plastic part caused by manual sprue removal are avoided, and the automation degree of a product forming process is improved.
Description
Technical Field
The utility model relates to an injection mold technical field, in particular to injection mold with automatic cutout mechanism.
Background
An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. Injection molding is a processing method used when producing some parts with complex shapes in batches, and particularly refers to injecting heated and melted plastics into a mold cavity at high pressure by an injection molding machine, cooling and solidifying to obtain a formed product, wherein in the molding process of the injection mold, molten glue liquid needs to be injected into the mold cavity of the mold, and a glue port for the molten glue liquid to flow into needs to be arranged.
The conventional injection mold is provided with a glue opening on one side of a cavity, the melting glue solution at the glue opening connected with the cavity is solidified after the product is formed, and the part connected with the product in the cavity needs to be removed in a manual mode, so that the labor cost is low, the production efficiency is low, and after the product is manually removed, the product is easy to leave over large burrs at the joint of the glue opening and the product to influence the product flatness and the product quality. Therefore, we propose an injection mold having an automatic shut-off mechanism.
SUMMERY OF THE UTILITY MODEL
To the problem in the background art, the utility model aims to provide an injection mold with automatic cutout mechanism can alleviate workman's intensity of labour, realizes mechanization, automation.
The utility model discloses a following technical scheme can realize:
the utility model provides an injection mold with automatic cutout mechanism, includes fixed die plate, movable mould board, shear plate, the center of fixed die plate runs through and is provided with the runner cover that floats, the mobilizable setting of shear plate is in the center pin hole of movable mould board, the front end of shear plate is just right the runner of runner cover that floats, the rear end of shear plate is connected with and pushes it into the release link of runner cover runner position floats the front end of fixed die plate with form the spill between the movable mould board and mould a shaping chamber the front end of movable mould board is provided with ejection mechanism around the axial, ejection mechanism includes ejector rod, reset spring and limiting plate, the front end of ejector rod runs through the movable mould board extends to mould a shaping intracavity, the rear end of ejector rod runs through the movable mould board and with the limiting plate is connected.
Furthermore, a plurality of grooves are formed in the front end of the fixed die plate in the axial direction, protrusions matched with the grooves are arranged at the end part of the movable die plate, and the front ends of the protrusions extend into the grooves and form the plastic part forming cavities between the front ends of the protrusions and the fixed die plate.
Furthermore, a runner communicated with the plastic part forming cavity is formed between the shearing plate and the floating sprue bush, and the width dimension of the shearing plate is larger than the width dimension of the sprue of the floating sprue bush.
Further, reset spring establishes in the lower extreme of knock-out lever, just reset spring one end with the rear end of movable mould board contacts, the other end with the surface of limiting plate contacts.
Furthermore, a step-shaped movable mold bottom plate is arranged at the rear end of the movable mold plate, and the limit plate is arranged in a movable space formed between the movable mold plate and the movable mold bottom plate.
Furthermore, a compression spring is sleeved on the outer side of the floating sprue bush, and a limiting space for the floating sprue bush to move is further formed in the inner side of the port of the fixed die plate.
Compared with the prior art, the utility model, have following advantage:
the utility model realizes the side cutting of the stub bar through the arranged shear plate, and finishes the automatic cutting of the stub bar at the moment that the mould retreats after the injection molding is finished, thereby avoiding the defects and deformation of the plastic parts caused by manual sprue removal; the ejector rod extending into the molding cavity of the plastic part is arranged, so that a groove is formed in the center of the injection molded product, one-time injection molding of the groove-shaped product is realized, and the automation degree of the product molding process is improved.
Drawings
FIG. 1 is a schematic structural view of the injection mold with an automatic cutting mechanism according to the present invention during injection molding;
FIG. 2 is a schematic structural view of the injection mold of the present invention after completion of injection molding;
fig. 3 is the utility model discloses the structure schematic diagram after injection mold injection molding accomplishes the back movable mould board and withdraws from.
In the figure: 1-fixing a template; 2-moving the template; 3-a shear plate; 4-floating sprue bush; 5-a reset lever; 6-molding a molding cavity of the plastic part; 7-an ejection mechanism; 8-ejection rod; 9-a return spring; 10-a limiting plate; 11-a moving die base plate; 12-molding; 101-a groove; 201-bump; 301-a shunt; 401-compression spring.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
As shown in fig. 1-3, an injection mold with an automatic cutting mechanism comprises a fixed mold plate 1, a movable mold plate 2 and a shear plate 3, the center of the fixed die plate 1 is provided with a floating sprue bush 4 in a penetrating way, the shear plate 3 is movably arranged in a central shaft hole of the movable die plate 2, the front end of the shear plate 3 is aligned with the sprue of the floating sprue bush 4, the rear end of the shear plate 3 is connected with a reset rod 5 which pushes the shear plate into the sprue of the floating sprue bush 4, a concave molding part forming cavity 6 is formed between the front end of the fixed mold plate 1 and the movable mold plate 2, an ejection mechanism 7 is axially arranged at the front end of the movable template 2, the ejection mechanism comprises an ejection rod 8, a return spring 9 and a limit plate 10, the front end of the ejector rod 8 penetrates through the movable mould plate 2 and extends into the plastic part molding cavity 6, the rear end of the ejector rod 8 penetrates through the movable mould plate 2 and is connected with the limiting plate 10.
The front end of the fixed die plate 1 is provided with a plurality of grooves 101 along the axial direction, the end part of the movable die plate 2 is provided with a bulge 201 matched with the grooves 101, and the front end of the bulge 201 extends into the grooves 101 and forms the plastic part molding cavity 6 with the fixed die plate 1.
A sub-runner 301 communicated with the plastic part forming cavity 6 is formed between the shear plate 3 and the floating sprue bush 4, and the width dimension of the shear plate 3 is larger than the width dimension of the sprue of the floating sprue bush 4.
The reset spring 9 cover is established the lower extreme of knock-out lever 8, just 9 one end of reset spring with the rear end of movable mould board 2 contacts, the other end with the surface of limiting plate 10 contacts.
A step-shaped movable mold bottom plate 11 is arranged at the rear end of the movable mold plate 2, and the limit plate 10 is arranged in a movable space formed between the movable mold plate 2 and the movable mold bottom plate 11.
The technical scheme of the utility model, the outside cover of runner cover 4 that floats is equipped with compression spring 401 the confession has still been seted up to the port inboard of fixed die plate 1 the spacing space that runner cover 4 removed floats. The floating sprue bush 4 is convenient to move and reset in the port of the fixed die plate 1 after the injection molding is finished.
The working principle is as follows:
injection molding machine during operation, its nozzle contact runner cover 4 that floats, and compression spring 401, 3 atresss of shear plate are located the bottom in the central shaft hole of movable mould board 2 this moment, make runner 301 and mould a shaping chamber 6 and be linked together, mould plastics, after the completion of moulding plastics, the nozzle is retreated, runner cover 4 that floats resets under compression spring 401's effect, movable mould board 2 retreats simultaneously, make it to separate with fixed die plate 1, reset bar 5 drives shear plate 3 and removes under the effect of spring this moment, make shear plate 3 and mould and form the shear state between the shaping chamber 6, thereby realize the shearing separation of moulding 12. And then the movable mould plate 2 continuously retreats, meanwhile, the ejector rod 8 moves upwards, after the plastic part 12 is separated from the end part of the movable mould plate 2, the limiting plate 10 is driven to the ejector rod 8 to reset under the action of the reset spring 9, so that the plastic part 12 is separated, and the injection molding process is completed.
The utility model realizes the side cutting of the stub bar through the arranged shear plate 3, and finishes the automatic cutting of the stub bar at the moment of the mold retreating after the injection molding, thereby avoiding the defects and deformation of the plastic parts caused by manually removing the sprue; the ejector rod 8 extending into the plastic part forming cavity 6 is arranged, so that a groove is formed in the center of a product after injection molding, one-time injection molding of a groove-shaped product is realized, and the automation degree of a product forming process is improved.
In the description of this patent, it is to be understood that the term "center"; "Up"; "Down"; "front"; "Back"; "left"; "Right"; "Top"; "bottom"; "in"; "exterior" and the like indicate an orientation or positional relationship based on that shown in the drawings, merely for convenience of describing the patent and simplifying the description, and do not indicate or imply that the referred device or element must have a particular orientation; constructed and operative in a particular orientation and therefore not to be construed as limiting the patent.
Claims (6)
1. The utility model provides an injection mold with automatic shutdown mechanism, includes fixed die plate (1), movable mould board (2), shear plate (3), the center of fixed die plate (1) is run through and is provided with runner cover (4) that float, the mobilizable setting of shear plate (3) is in the center pin hole of movable mould board (2), its characterized in that, the front end of shear plate (3) is just right the runner of runner cover (4) floats, the rear end of shear plate (3) is connected with and pushes it into reset rod (5) of runner cover (4) runner position floats form concave mould one-tenth die cavity (6) between the front end of fixed die plate (1) and movable mould board (2) the front end of movable mould board (2) is provided with ejection mechanism (7) around the axial, ejection mechanism includes ejector rod (8), reset spring (9) and limiting plate (10), the front end of ejector rod (8) runs through movable mould board (2) and extends to in moulding a shaping chamber (6), the rear end of ejector rod (8) runs through movable mould board (2) and with limiting plate (10) are connected.
2. An injection mold with an automatic cutting mechanism according to claim 1, characterized in that a plurality of grooves (101) are axially arranged at the front end of the fixed mold plate (1), a protrusion (201) matched with the grooves (101) is arranged at the end of the movable mold plate (2), and the front end of the protrusion (201) extends into the groove (101) and forms the plastic part forming cavity (6) with the fixed mold plate (1).
3. An injection mold with an automatic shut-off mechanism according to claim 1, wherein a runner (301) communicating with the molding cavity (6) is formed between the shear plate (3) and the floating gate bush (4), and a width dimension of the shear plate (3) is larger than a gate width dimension of the floating gate bush (4).
4. The injection mold with the automatic cutting mechanism is characterized in that the return spring (9) is sleeved at the lower end of the ejector rod (8), one end of the return spring (9) is in contact with the rear end of the movable mold plate (2), and the other end of the return spring is in contact with the surface of the limiting plate (10).
5. An injection mold with an automatic shut off mechanism according to claim 4, wherein a stepped movable mold base plate (11) is provided at the rear end of the movable mold plate (2), and the stopper plate (10) is provided in a movable space formed between the movable mold plate (2) and the movable mold base plate (11).
6. The injection mold with the automatic cutting mechanism is characterized in that a compression spring (401) is sleeved on the outer side of the floating sprue bush (4), and a limiting space for the floating sprue bush (4) to move is further formed in the inner side of the port of the fixed mold plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020518654.4U CN212219123U (en) | 2020-04-09 | 2020-04-09 | Injection mold with automatic cutout mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020518654.4U CN212219123U (en) | 2020-04-09 | 2020-04-09 | Injection mold with automatic cutout mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212219123U true CN212219123U (en) | 2020-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020518654.4U Active CN212219123U (en) | 2020-04-09 | 2020-04-09 | Injection mold with automatic cutout mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN212219123U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114193698A (en) * | 2021-12-08 | 2022-03-18 | 合肥贝禹电子科技有限公司 | Real mould injection moulding apparatus that uses of instructing in laboratory |
| CN114311525A (en) * | 2021-11-19 | 2022-04-12 | 合肥贝禹电子科技有限公司 | Cask injection mold and cask thereof |
-
2020
- 2020-04-09 CN CN202020518654.4U patent/CN212219123U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114311525A (en) * | 2021-11-19 | 2022-04-12 | 合肥贝禹电子科技有限公司 | Cask injection mold and cask thereof |
| CN114193698A (en) * | 2021-12-08 | 2022-03-18 | 合肥贝禹电子科技有限公司 | Real mould injection moulding apparatus that uses of instructing in laboratory |
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