CN204725777U - Eliminate the mould of injection mould weld mark - Google Patents
Eliminate the mould of injection mould weld mark Download PDFInfo
- Publication number
- CN204725777U CN204725777U CN201520425136.7U CN201520425136U CN204725777U CN 204725777 U CN204725777 U CN 204725777U CN 201520425136 U CN201520425136 U CN 201520425136U CN 204725777 U CN204725777 U CN 204725777U
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- China
- Prior art keywords
- plate
- pressure ram
- mould
- shovel
- movable passageway
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- Expired - Fee Related
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of mould eliminating injection mould weld mark, include die cavity, core, A plate, B plate, C plate, hydraulic cylinder, oblique shovel and pressure ram, described A plate is positioned at the top of B plate, core is fixed on B plate, die cavity is fixed on A plate, core is provided with the feed supplement cave communicated with die cavity, pressure ram movable passageway is provided with in core and B plate, pressure ram movable passageway communicates with described feed supplement cave, gap between C plate and B plate is for tiltedly to shovel movable passageway, oblique shovel is located at and tiltedly shovels in movable passageway, the upper end of pressure ram is arranged in pressure ram movable passageway, the top, lower end of pressure ram is pressed on the inclined-plane of tiltedly shovel, Hydraulic Cylinder tiltedly shovels movement, oblique shovel promotes pressure ram moves, injection molding material in feed supplement cave is expressed in die cavity by the upper end of pressure ram.Owing to adopting above-mentioned version, expand mold use scope, ensure that the quality requirements of product, the product defects such as weld mark, shrinkage cavity that product produces when injection moulding can be prevented.
Description
Technical field
The utility model relates to a kind of mould, specifically a kind of injection mold.
Background technology
In die industry, when the plastic mold that surface requirements is higher carries out injection moulding production, the product produced all can have the defect of weld mark, weld mark is a kind of linear trace on plastic surface, shunted in a mold by some plume material in injecting or extruding and converge, melt, at interface incomplete fusion, can not be integrated each other in welding, cause fusion trace, affect presentation quality and the mechanical property of plastic.From the principle of injection moulding, the slight weld mark on this surface is inevitable, but is that the degree of the depth is different, and this is the weak point that exists of existing mold structure just.
It is CN104690889A that State Intellectual Property Office discloses publication number on June 10th, 2015, and patent name is the patent of mould, the present invention includes: solid plate, is provided with the hole for injecting glue be communicated with the molding cavity of mould; Cover half fixed head, is provided with TOP-TIP, the hot mouth that TOP-TIP comprises hot runner manifold and is fixedly connected with hot runner manifold; Come unstuck plate, be arranged between hot runner manifold and solid plate, the plate that comes unstuck comprises intercommunicating pore, and hot mouth is through intercommunicating pore coordinating with hole for injecting glue, and the plate that comes unstuck has the first state of abutting with hot runner manifold and is separated with hot runner manifold to make hot mouth to be placed in the second state in intercommunicating pore.Apply mould of the present invention, the plate making of the coming unstuck plate that comes unstuck is set there is the first state abutted with hot runner manifold and the second state be separated with hot runner manifold, the waste material mouth of a river be connected on hot mouth is separated with hot mouth in state conversion process by the plate that comes unstuck, thus the Automatic-falling at the waste material mouth of a river can be realized, save the operation at staff's hammer-shears waste material mouth of a river, thus can human resources be saved, reach the object reducing injection moulding cost.
It is CN104690886A that State Intellectual Property Office discloses publication number on June 10th, 2015, patent name is a kind of patent of injection mold, the present invention includes dynamic mould fixing plate and ejector pin retaining plate, and be arranged on the push rod installing plate of ejector pin retaining plate upper surface, and the dynamic model backing plate be arranged on above push rod installing plate, moving platen and push pedal, and the solid plate be arranged on above push pedal and cover half fixed head, and run through the sprue bush of solid plate and cover half fixed head, and run through solid plate, the guide pillar of push pedal and moving platen, guide pin bushing and release link, and be arranged on the spring of release link surrounding, and sprue puller, core fixed bar, nut is nested with push pedal, and be arranged in push pedal, screw in release link and core, and the die cavity be arranged on above core is nested.Due to described mould, that push pedal and the part that dynamic model inserts contacts are provided with push pedal is nested, facilitate the adjustment of mould parts, replacing, in addition, between the nested and dynamic model inserts of push pedal, adopt the method for cone match, the wearing and tearing of mould when matched moulds can be reduced, improve the mold use life-span.
The technical scheme of above-mentioned patent, cannot solve or eliminate in injection moulding production process, the problem of the weld mark that injecting products occurs.
Utility model content
The purpose of this utility model is to provide one and expands mold use scope, ensure that the mould of the elimination injection mould weld mark of the quality requirements of product.
For achieving the above object, the technical scheme that the utility model adopts is:
Eliminate the mould of injection mould weld mark, include die cavity, core, A plate, B plate, C plate, hydraulic cylinder, oblique shovel and pressure ram, described A plate is positioned at the top of B plate, described core is fixed on B plate, described die cavity is fixed on A plate, described core is provided with the feed supplement cave communicated with die cavity, pressure ram movable passageway is provided with in described core and B plate, described pressure ram movable passageway communicates with described feed supplement cave, described C plate is positioned at the below of B plate, gap between C plate and B plate is for tiltedly to shovel movable passageway, described oblique shovel is located at and tiltedly shovels in movable passageway, the upper end of described pressure ram is arranged in pressure ram movable passageway, the top, lower end of pressure ram is pressed on the inclined-plane of tiltedly shovel, described Hydraulic Cylinder tiltedly shovels movement, oblique shovel promotes pressure ram moves, injection molding material in feed supplement cave is expressed in die cavity by the upper end of pressure ram.
Further, described A plate is located on top clamping plate, and described C plate is supported on Bottom clamp plate by square iron block.
Further, the end of the piston rod of described hydraulic cylinder is provided with screw joint, and the end face of described oblique shovel one end is provided with screw, and described screw joint is threaded with screw.
Further, the lower surface of described pressure ram is cambered outwards arc surface.
The beneficial effects of the utility model: owing to adopting above-mentioned version, expand mold use scope, ensure that the quality requirements of product, can prevent the product defects such as weld mark, shrinkage cavity, distortion that product produces when injection moulding.In addition, if it is also very practical the utility model to be applied to mould core pulling aspect, the angle that can be used for each orientation is loosed core, and can solve complexity and to loose core the difficult problem of position.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is the structural representation before material extrusion of the present utility model;
Fig. 2 is the structural representation after material extrusion shown in Fig. 1.
In figure: 1, top clamping plate; 2, A plate; 3, die cavity; 4, core; 5, B plate; 6, C plate; 7, square iron block; 8, Bottom clamp plate; 9, hydraulic cylinder; 10, tiltedly shovel; 11, pressure ram; 12, feed supplement cave; 13, pressure ram movable passageway; 14, tiltedly movable passageway is shoveled; 15, screw joint; 16, screw.
Detailed description of the invention
As shown in Figure 1, 2, eliminate the mould of injection mould weld mark, include top clamping plate 1, A plate 2, die cavity 3, core 4, B plate 5, C plate 6, square iron block 7, Bottom clamp plate 8, hydraulic cylinder 9, tiltedly shovel 10 and pressure ram 11, described A plate 2 is positioned at the top of B plate 5, described core 4 is fixed on B plate 5, described die cavity 3 is fixed on A plate 2, and described A plate 2 is located on top clamping plate 1, and described C plate 6 is supported on Bottom clamp plate 8 by square iron 7 pieces.
Described core 4 is provided with the feed supplement cave 12 communicated with die cavity, pressure ram movable passageway 13 is provided with in described core 4 and B plate 5, described pressure ram movable passageway 13 communicates with described feed supplement cave 12, described C plate 6 is positioned at the below of B plate 5, gap between C plate 6 and B plate 5 is tiltedly shovel movable passageway 14, described oblique shovel 10 is located at and tiltedly shovels in movable passageway 14, and the upper end of described pressure ram 11 is arranged in pressure ram movable passageway 13, and the top, lower end of pressure ram 11 is pressed on the inclined-plane of tiltedly shovel 10.When injection machine injection is complete, when plastics have been full of a die cavity and feed supplement cave, described hydraulic cylinder 9 promotes tiltedly shovel 10 and moves horizontally, oblique shovel 10 promotes pressure ram 11 and moves up, until connect flat with profile, injection molding material in feed supplement cave 12 is expressed in die cavity by the upper end of pressure ram 11, fills the linear groove of weld, this addresses the problem weld mark problem herein.
In addition, the end of the piston rod of described hydraulic cylinder 9 is provided with screw joint 15, and the end face of described oblique shovel 10 one end is provided with screw 16, and described screw joint 15 is threaded with screw 16.
Further, the lower surface of described pressure ram 11 is cambered outwards arc surface.Make the form for point cantact between the lower surface of pressure ram 11 and the inclined-plane tiltedly shoveling 10,10 slips are relatively tiltedly shoveled in the lower surface being conducive to pressure ram like this.
The above is preferred embodiment of the present utility model; certainly the interest field of the utility model can not be limited with this; should be understood that; for those skilled in the art; the technical solution of the utility model is modified or equivalent replacement, do not depart from the protection domain of technical solutions of the utility model.
Claims (4)
1. eliminate the mould of injection mould weld mark for one kind, it is characterized in that: include die cavity, core, A plate, B plate, C plate, hydraulic cylinder, oblique shovel and pressure ram, described A plate is positioned at the top of B plate, described core is fixed on B plate, described die cavity is fixed on A plate, described core is provided with the feed supplement cave communicated with die cavity, pressure ram movable passageway is provided with in described core and B plate, described pressure ram movable passageway communicates with described feed supplement cave, described C plate is positioned at the below of B plate, gap between C plate and B plate is for tiltedly to shovel movable passageway, described oblique shovel is located at and tiltedly shovels in movable passageway, the upper end of described pressure ram is arranged in pressure ram movable passageway, the top, lower end of pressure ram is pressed on the inclined-plane of tiltedly shovel, described Hydraulic Cylinder tiltedly shovels movement, oblique shovel promotes pressure ram moves, injection molding material in feed supplement cave is expressed in die cavity by the upper end of pressure ram.
2. the mould of elimination injection mould weld mark according to claim 1, it is characterized in that: described A plate is located on top clamping plate, described C plate is supported on Bottom clamp plate by square iron block.
3. the mould of elimination injection mould weld mark according to claim 1, is characterized in that: the end of the piston rod of described hydraulic cylinder is provided with screw joint, the end face of described oblique shovel one end is provided with screw, and described screw joint is threaded with screw.
4. the mould of elimination injection mould weld mark according to claim 1, is characterized in that: the lower surface of described pressure ram is cambered outwards arc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520425136.7U CN204725777U (en) | 2015-06-19 | 2015-06-19 | Eliminate the mould of injection mould weld mark |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520425136.7U CN204725777U (en) | 2015-06-19 | 2015-06-19 | Eliminate the mould of injection mould weld mark |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204725777U true CN204725777U (en) | 2015-10-28 |
Family
ID=54384159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520425136.7U Expired - Fee Related CN204725777U (en) | 2015-06-19 | 2015-06-19 | Eliminate the mould of injection mould weld mark |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204725777U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109849281A (en) * | 2018-12-13 | 2019-06-07 | 查鸿达 | A kind of nearly ungauged regions injection molding forming method of plastic products high-precision |
-
2015
- 2015-06-19 CN CN201520425136.7U patent/CN204725777U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109849281A (en) * | 2018-12-13 | 2019-06-07 | 查鸿达 | A kind of nearly ungauged regions injection molding forming method of plastic products high-precision |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151028 Termination date: 20160619 |