CN104044247B - Be applicable to the mould producing annular damper - Google Patents
Be applicable to the mould producing annular damper Download PDFInfo
- Publication number
- CN104044247B CN104044247B CN201410258118.4A CN201410258118A CN104044247B CN 104044247 B CN104044247 B CN 104044247B CN 201410258118 A CN201410258118 A CN 201410258118A CN 104044247 B CN104044247 B CN 104044247B
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- CN
- China
- Prior art keywords
- die
- face
- mould
- positioning table
- applicable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 238000007493 shaping process Methods 0.000 claims abstract description 11
- 230000002950 deficient Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 5
- 239000000047 product Substances 0.000 description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2708—Gates
- B29C2045/2709—Gates with a plurality of mould cavity inlets in close proximity
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of mould being applicable to produce annular damper, comprise driving mechanism, shaping mechanism and ejecting mechanism, shaping mechanism comprises: be located in the die of the end face between slide block lower than slide block end face, product die cavity is formed in described die, the top of die is formed with the cast gate being communicated with product die cavity, cast gate is made up of three recessed runners that 120 degree are waited angles to distribute, all positioning table is provided with between two adjacent runners, the end face of positioning table and the angle of horizontal plane are 3-5 degree, and the height of positioning table near die cavity center is the highest.By improving infeeding sprue, this body structure of mould and processing technology, the at utmost concentricity of the annular damper of low guaranteed and circularity, product quality is in industry-leading level, and this mould also can be generalized in the production of other similar products and apply simultaneously.
Description
Technical field
The present invention relates to a kind of mould, be specifically related to a kind of mould being applicable to produce annular damper, belong to mechanical field.
Background technology
Have a lot of circular plastic parts in inner and outer decorative parts of automobile, its circularity and concentricity requirement are very high.Because plastics can produce internal stress when injection mo(u)lding, after formed product in cooling procedure, internal stress can discharge gradually, and this will cause product to produce Light deformation.Product is thicker, its deformation extent will be larger, the standard of industry controls within +/-0.1mm by this deformation extent, in order to accomplish this tolerance, current line in the industry common practices is that loopful shape made by product cast gate, and many glue is deliberately made in the place that dimensional requirement is higher, after plastic product Stress Release terminates, chase after machining pouring gate and many Jiao Chu by CNC again, complete final product.This way not only manufacturing cost is very high, and because many one CNC processing technologys, too increases fraction defective.Given this, if the automobile plastic cement parts of the circularity that one-shot forming can be made qualified, high concentricity, greatly will reduce costs, improve production capacity and quality.
Summary of the invention
For solving the deficiencies in the prior art, the object of the present invention is to provide a kind of mould of automobile plastic cement parts can producing high circularity, high concentricity, being described to explaining the present invention better as concrete production object using the annular damper of automobile.
In order to realize above-mentioned target, the present invention adopts following technical scheme:
Be applicable to the mould producing annular damper, comprise driving mechanism, shaping mechanism and ejecting mechanism, described driving mechanism comprises: slide, the slide block be connected with slide, drive the Angle Pin of slide motion, be positioned at slide two ends and be provided with the press strip of guide rail, described shaping mechanism comprises: be located in the die of the end face between a pair slide block lower than slide block end face, product die cavity is formed in described die, the top of die is formed with the cast gate being communicated with product die cavity, described cast gate is made up of three recessed runners that 120 degree are waited angles to distribute, all positioning table is provided with between two adjacent runners, the end face of described positioning table and the angle of horizontal plane are 3-5 degree, and the height of positioning table near die cavity center is the highest, the end face of preferred orientation platform and the angle of horizontal plane are 3 degree.
Aforementioned driving mechanism is two covers, is divided into the both sides of shaping mechanism, and two slide blocks edge contacting one another all leaves the thick defective material of 0.01-0.05mm when preparatory processing, the thickness of preferred defective material is 0.05mm.
The highest point of aforementioned positioning table is no more than the end face of slide block.
Aforementioned ejecting mechanism comprises: be installed on the push pedal below die and thimble.
The bottom surface of aforementioned runner is arcwall face, and the effective discharge area from flow channel entry point to Way out runner increases gradually.
Usefulness of the present invention is: mould of the present invention, gate design is three divings mouths (namely recessed runner) of the angle distributions such as 120 degree, guarantee that the circularity of product is best, and the cast gate of this shape can effectively reduce charging remain, eliminate subsequent artefacts clear up cast gate remain, reduce labour intensity; Guarantee the concentricity of patrix counterdie when the positioning table arranged between runner contributes to matched moulds, guarantee the concentricity of product further, within precision can reach 0.01mm; Further, in order to ensure the quality of fit of two side slides, the localization part contacted at both leaves the thick defective material of 0.01-0.05mm, and after component assembling, property carries out fine finishining again, eliminates rigging error accumulation; To sum up, mould of the present invention is by improving infeeding sprue, this body structure of mould and processing technology, the at utmost concentricity of the annular damper of low guaranteed and circularity, product quality is in industry-leading level, and this mould also can be generalized in the production of other similar products and apply simultaneously.
Accompanying drawing explanation
Fig. 1 is the perspective view being applicable to the mould producing annular damper of the present invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the part-structure schematic diagram of the mould of Fig. 1;
Fig. 4 is the partial enlargement structural representation of Fig. 3.
The implication of Reference numeral in figure: 1, slide, 2, slide block, 3, edge, 4, Angle Pin, 5, press strip, 6, die, 7, runner, 8, positioning table, 9, push pedal, 10, thimble.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, concrete introduction is done to the present invention.
See Fig. 1 to Fig. 3, mould of the present invention, be specially adapted to produce annular damper, can guarantee the product circularity produced and concentricity very high, will annular be made to become ellipse because of the Stress Release during demoulding, distortion tolerance controls in ± 0.1mm, and this technology is in the top standard of industry.
Specifically, the same with most of mould, mould of the present invention can be divided into driving mechanism, shaping mechanism and ejecting mechanism three parts.Wherein, driving mechanism comprises: slide 1, the slide block 2 be connected with slide 1, the Angle Pin 4 driving slide 1 to move, be positioned at slide 1 two ends and be provided with the press strip 5 of guide rail, the connected mode of these parts is all identical with prior art with type of drive, does not just repeat herein.As shown in Figure 1, driving mechanism is two covers, be divided into the both sides of shaping mechanism, two slide blocks 2 edge 3 contacting one another all leaves the thick defective material of 0.01-0.05mm and (is referred to as in industry " staying iron " when preparatory processing, namely, when shape invariance, mould is deliberately made not to be worked into design size.Such as design size is 20.00mm, after staying iron 0.1mm, mould actual size is 20.10mm, and this stays allowance in order to the later stage joins mould, or in order to adjust product size after die trial, the object of iron is stayed to be different from above-mentioned two kinds in the present invention, to obtain higher mould and die accuracy), the thickness of preferred defective material is 0.05mm, and after component assembling, property carries out CNC fine finishining again, elimination rigging error accumulates, and ensures mould and die accuracy.
As shown in Figure 3, shaping mechanism comprises: be located in the die 6 of the end face between a pair slide block 2 lower than slide block 2 end face, product die cavity is formed in die 6, the top of die 6 is formed with the cast gate for charging being communicated with product die cavity, be different from traditional cast gate, cast gate of the present invention is made up of three recessed runners 7 that 120 degree are waited angles to distribute, the design of this cast gate is through the technical scheme repeatedly studied and obtain, can guarantee that the circularity of product is best, and the cast gate of this shape can effectively reduce charging remain, eliminate subsequent artefacts and clear up cast gate residue, reduce labour intensity.As a modification of the present invention, see Fig. 4, the bottom surface of runner 7 is arcwall face, guarantee that charging erosive force is little, and the effective discharge area from runner 7 entrance to outlet (namely material flows into the position of die cavity) directional flow passage 7 increases gradually, namely, adopt cone road form to carry out charging, further increase the Forming Quality of product.
In the production process of product, also have above die 6 one with the patrix (not shown) of counterdie matched moulds, there is higher concentricity in order to make upper die and lower die when matched moulds, thus guarantee the concentricity of product, positioning table 8 is all provided with between adjacent two runners 7, the end face of positioning table 8 and the angle of horizontal plane are 3-5 degree, and the height of positioning table 8 near die cavity center is the highest, and highest point is no more than slide block 2 end face, the end face of preferred orientation platform 8 and the angle of horizontal plane are 3 degree, when can prevent die sinking, upper die and lower die are killed due to thermal expansion, positioning precision can be guaranteed again.
See Fig. 1, ejecting mechanism is also comparatively ripe and general in prior art, comprising: be installed on the push pedal 9 below die 6 and thimble 10, after production completes die sinking, by thimble 10, product is ejected die 6, realize product stripping.
More than show and describe general principle of the present invention, principal character and advantage.The technical staff of the industry should understand, and above-described embodiment does not limit the present invention in any form, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops in protection scope of the present invention.
Claims (5)
1. be applicable to the mould producing annular damper, comprise driving mechanism, shaping mechanism and ejecting mechanism, described driving mechanism comprises: slide, the slide block be connected with slide, drive the Angle Pin of slide motion, be positioned at slide two ends and be provided with the press strip of guide rail, it is characterized in that, described shaping mechanism comprises: be located in the die of the end face between a pair slide block lower than slide block end face, product die cavity is formed in described die, the top of die is formed with the cast gate being communicated with product die cavity, described cast gate is made up of three recessed runners that 120 degree are waited angles to distribute, all positioning table is provided with between two adjacent runners, the end face of described positioning table and the angle of horizontal plane are 3-5 degree, and the height of positioning table near die cavity center is the highest, described driving mechanism is two covers, is divided into the both sides of shaping mechanism, and two slide blocks edge contacting one another all leaves the thick defective material of 0.01-0.05mm when preparatory processing, the end face of described positioning table and the angle of horizontal plane are 3 degree.
2. be according to claim 1ly applicable to the mould producing annular damper, it is characterized in that, the thickness of described defective material is 0.05mm.
3. be according to claim 1ly applicable to the mould producing annular damper, it is characterized in that, the highest point of described positioning table is no more than the end face of slide block.
4. be according to claim 1ly applicable to the mould producing annular damper, it is characterized in that, described ejecting mechanism comprises: be installed on the push pedal below die and thimble.
5. being applicable to according to any one of claim 1-4 produces the mould of annular damper, it is characterized in that, the bottom surface of described runner is arcwall face, and the effective discharge area from flow channel entry point to Way out runner increases gradually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410258118.4A CN104044247B (en) | 2014-06-12 | 2014-06-12 | Be applicable to the mould producing annular damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410258118.4A CN104044247B (en) | 2014-06-12 | 2014-06-12 | Be applicable to the mould producing annular damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104044247A CN104044247A (en) | 2014-09-17 |
| CN104044247B true CN104044247B (en) | 2016-04-06 |
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ID=51497858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410258118.4A Active CN104044247B (en) | 2014-06-12 | 2014-06-12 | Be applicable to the mould producing annular damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104044247B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113681828B (en) * | 2021-08-11 | 2023-08-25 | 株洲时代新材料科技股份有限公司 | Split type combined cavity vulcanizing mold of rail damper and production method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0229312A (en) * | 1988-07-19 | 1990-01-31 | Sharp Corp | Injection molding die of split mold structure |
| JPH08216192A (en) * | 1995-02-15 | 1996-08-27 | Toto Ltd | Mold for molding with many radial blade plates |
| CN103395174B (en) * | 2013-07-25 | 2015-10-28 | 科益精密模塑（太仓）有限公司 | A kind of mould core pulling mechanism with high-axiality taper light modulation gear |
| CN203945588U (en) * | 2014-06-12 | 2014-11-19 | 泰德兴精密电子（昆山）有限公司 | Be applicable to produce the mould of annular damper |
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2014
- 2014-06-12 CN CN201410258118.4A patent/CN104044247B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104044247A (en) | 2014-09-17 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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