CN104044247A - Mold suitable for producing annular shock absorbers - Google Patents
Mold suitable for producing annular shock absorbers Download PDFInfo
- Publication number
- CN104044247A CN104044247A CN201410258118.4A CN201410258118A CN104044247A CN 104044247 A CN104044247 A CN 104044247A CN 201410258118 A CN201410258118 A CN 201410258118A CN 104044247 A CN104044247 A CN 104044247A
- Authority
- CN
- China
- Prior art keywords
- mould
- positioning table
- applicable
- slide
- die
- 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.)
- Granted
Links
- 239000006096 absorbing agent Substances 0.000 title abstract 4
- 230000035939 shock Effects 0.000 title abstract 4
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 238000012545 processing Methods 0.000 claims abstract description 6
- 238000007493 shaping process Methods 0.000 claims description 9
- 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 21
- 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
- 238000013461 design Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 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
- 238000011160 research 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 mold suitable for producing annular shock absorbers. The mold suitable for producing the annular shock absorbers comprises a driving mechanism, a forming mechanism and an ejecting mechanism; the forming mechanism comprises a mold core which is formed the top surface between slide blocks in a clamping manner and is lower than the top surfaces of the slide blocks; a product mold cavity is formed in the mold core; a sprue communicated with the product mold cavity is formed on the top of the mold core, and consists of three sunken runners which are distributed at equal included angles of 120 degrees; a positioning table is arranged between every two adjacent runners; the included angle between the top surface of each positioning table and the horizontal level is 3-5 degrees, and the height of the positioning table, which is close to the center of the mold cavity, is the highest. The concentricity and the roundness of the annular shock absorbers are ensured maximally by improving the charging sprue, a mold structure as well as a processing technology; the product quality is in the advanced level in the industry; meanwhile, the mold can be applied to the production of other similar products.
Description
Technical field
The present invention relates to a kind of mould, be specifically related to a kind of mould that is applicable to produce annular damper, belong to mechanical field.
Background technology
In inner and outer decorative parts of automobile, have a lot of circular plastic parts, its circularity and concentricity requirement are very high.Because plastics can produce internal stress when the injection mo(u)lding, after formed product, in cooling procedure, internal stress can discharge gradually, and this will cause product to produce micro-distortion.Product is thicker, its deformation extent will be larger, the standard of industry is that this deformation extent is controlled in +/-0.1mm, in order to accomplish this tolerance, current line in the industry common practices is that product cast gate is made loopful shape, and many glue is deliberately made in the place that dimensional requirement is higher, after plastic product Stress Release finishes, by CNC, chase after machining pouring gate and many Jiao Chu again, complete final product.This way not only manufacturing cost is very high, and because many one CNC processing technologys have also increased fraction defective.Given this, if can make the automobile plastic cement parts of the qualified circularity of one-shot forming, high concentricity, will greatly 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 that can produce the automobile plastic cement parts of high circularity, high concentricity, the annular damper of automobile of usining describes to explaining better the present invention as concrete production object.
In order to realize above-mentioned target, the present invention adopts following technical scheme:
Be applicable to produce the mould of annular damper, comprise driving mechanism, shaping mechanism and ejecting mechanism, described driving mechanism comprises: slide, the slide block being connected with slide, drive the Angle Pin of slide motion, be positioned at press strip slide two ends and that be provided with guide rail, described shaping mechanism comprises: be located in end face between a pair of slide block lower than the die of slide block end face, in described die, be formed with product die cavity, the top of die is formed with the cast gate that is communicated with product die cavity, three recessed runners that described cast gate is distributed by angles such as 120 degree form, between two adjacent runners, be all provided with positioning table, the end face of described positioning table and the angle of horizontal plane are 3-5 degree, and positioning table is the highest near the height of die cavity center, 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 the edge that two slide blocks contact each other all leaves the defective material that 0.01-0.05mm is thick when preparatory processing, and preferably the thickness of 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: the push pedal and the thimble that are installed on die below.
The bottom surface of aforementioned runner is arcwall face, and the effective discharge area from runner entrance to Way out runner increases gradually.
Usefulness of the present invention is: mould of the present invention, cast gate is designed to three divings mouthful (being recessed runner) that the angles such as 120 degree distribute, the circularity of guaranteeing product is best, and it is residual that the cast gate of this shape can effectively reduce charging, save follow-up labor cleaning's cast gate residual, reduced labour intensity; When the positioning table arranging contributes to matched moulds, guarantee the concentricity of patrix counterdie between runner, further guarantee the concentricity of product, precision can reach in 0.01mm; Further, in order to guarantee the quality of fit of two side slides, the localization part contacting at both leaves the defective material that 0.01-0.05mm is thick, and after component assembling, property is carried out fine finishining again, eliminates rigging error accumulation; To sum up, mould of the present invention is by improving charging cast gate, this body structure of mould and processing technology, at utmost low guaranteed concentricity and the circularity of annular damper, 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 that is applicable to produce the mould of 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 local structure for amplifying schematic diagram 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.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is done to concrete introduction.
Referring to Fig. 1 to Fig. 3, mould of the present invention, be specially adapted to produce annular damper, can guarantee that product circularity and the concentricity produced are very high, Stress Release in the time of can be because of the demoulding makes annular become ellipse, in be controlled at ± 0.1mm of distortion tolerance, the top standard of this technology in 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 being connected with slide 1, drive slide 1 motion Angle Pin 4, be positioned at slide press strips 51 two ends and that be provided with guide rail, the connected mode of these parts and type of drive are all identical with prior art, just do not repeat herein.As shown in Figure 1, driving mechanism is two covers, be divided into the both sides of shaping mechanism, the edge 3 that two slide blocks 2 contact each other all leaves the defective material that 0.01-0.05mm is thick and (in industry, is referred to as " staying iron " when preparatory processing, the in the situation that of shape invariance, deliberately make mould not be worked into design size.Such as design size is 20.00mm, stay after iron 0.1mm, mould actual size is 20.10mm, and this is to join mould and stay allowance for the later stage, or in order to adjust product size after die trial, in the present invention, stay the object of iron to be different from above-mentioned two kinds, in order to obtain higher mould and die accuracy), preferably the thickness of defective material is 0.05mm, after component assembling, property is carried out CNC fine finishining again, the accumulation of elimination rigging error, guarantees mould and die accuracy.
As shown in Figure 3, shaping mechanism comprises: be located in end face between a pair of slide block 2 lower than the die 6 of slide block 2 end faces, in die 6, be formed with product die cavity, the top of die 6 is formed with the cast gate for charging that is communicated with product die cavity, be different from traditional cast gate, three recessed runners 7 that cast gate of the present invention is distributed by angles such as 120 degree form, the design of this cast gate is the technical scheme through research obtains repeatedly, the circularity that can guarantee product is best, and it is residual that the cast gate of this shape can effectively reduce charging, saved follow-up labor cleaning's cast gate residue, reduced labour intensity.As a modification of the present invention, referring to 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 entrances to outlet (being the position that material flows into die cavity) directional flow passage 7 increases gradually, namely, adopt cone road form to carry out charging, further improved the Forming Quality of product.
In the production process of product, above die 6, also has a patrix (not shown) with counterdie matched moulds, in order to make upper die and lower die there is higher concentricity when the matched moulds, thereby guarantee the concentricity of product, between two adjacent runners 7, be all provided with positioning table 8, the end face of positioning table 8 and the angle of horizontal plane are 3-5 degree, and positioning table 8 is the highest near the height of die cavity center, and highest point is no more than slide block 2 end faces, the end face of preferred orientation platform 8 and the angle of horizontal plane are 3 degree, in the time of can preventing die sinking, upper die and lower die are because thermal expansion is killed, can guarantee positioning precision again.
Referring to Fig. 1, ejecting mechanism is also comparatively ripe and general in prior art, comprising: be installed on push pedal 9 and the thimble 10 of die 6 belows, production completes after die sinking, by thimble 10, product is ejected to die 6, realizes product stripping.
More than show and described basic 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, and all employings are equal to replaces or technical scheme that the mode of equivalent transformation obtains, all drops in protection scope of the present invention.
Claims (7)
1. be applicable to produce the mould of annular damper, comprise driving mechanism, shaping mechanism and ejecting mechanism, described driving mechanism comprises: slide, the slide block being connected with slide, drive the Angle Pin of slide motion, be positioned at press strip slide two ends and that be provided with guide rail, it is characterized in that, described shaping mechanism comprises: be located in end face between a pair of slide block lower than the die of slide block end face, in described die, be formed with product die cavity, the top of die is formed with the cast gate that is communicated with product die cavity, three recessed runners that described cast gate is distributed by angles such as 120 degree form, between two adjacent runners, be all provided with positioning table, the end face of described positioning table and the angle of horizontal plane are 3-5 degree, and positioning table is the highest near the height of die cavity center.
2. the mould that is applicable to produce annular damper according to claim 1, it is characterized in that, described driving mechanism is two covers, is divided into the both sides of shaping mechanism, and the edge that two slide blocks contact each other all leaves the defective material that 0.01-0.05mm is thick when preparatory processing.
3. the mould that is applicable to produce annular damper according to claim 2, is characterized in that, the thickness of described defective material is 0.05mm.
4. the mould that is applicable to produce annular damper according to claim 1, is characterized in that, the end face of described positioning table and the angle of horizontal plane are 3 degree.
5. the mould that is applicable to produce annular damper according to claim 4, is characterized in that, the highest point of described positioning table is no more than the end face of slide block.
6. the mould that is applicable to produce annular damper according to claim 1, is characterized in that, described ejecting mechanism comprises: the push pedal and the thimble that are installed on die below.
7. according to the mould that is applicable to produce annular damper described in claim 1-6 any one, it is characterized in that, the bottom surface of described runner is arcwall face, and the effective discharge area from runner entrance 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 true CN104044247A (en) | 2014-09-17 |
| CN104044247B CN104044247B (en) | 2016-04-06 |
Family
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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113681828A (en) * | 2021-08-11 | 2021-11-23 | 株洲时代新材料科技股份有限公司 | Split type combined cavity vulcanizing mold for track shock absorber and production method thereof |
Citations (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 |
| CN103395174A (en) * | 2013-07-25 | 2013-11-20 | 科益精密模塑（太仓）有限公司 | Die core-pulling structure with high-coaxiality conical dimming 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 |
-
2014
- 2014-06-12 CN CN201410258118.4A patent/CN104044247B/en active Active
Patent Citations (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 |
| CN103395174A (en) * | 2013-07-25 | 2013-11-20 | 科益精密模塑（太仓）有限公司 | Die core-pulling structure with high-coaxiality conical dimming 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113681828A (en) * | 2021-08-11 | 2021-11-23 | 株洲时代新材料科技股份有限公司 | Split type combined cavity vulcanizing mold for track shock absorber and production method thereof |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104044247B (en) | 2016-04-06 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |