CN104626475A - Structure capable of overcoming product appearance offset and processing technology of structure capable of overcoming product appearance offset - Google Patents
Structure capable of overcoming product appearance offset and processing technology of structure capable of overcoming product appearance offset Download PDFInfo
- Publication number
- CN104626475A CN104626475A CN201510036706.8A CN201510036706A CN104626475A CN 104626475 A CN104626475 A CN 104626475A CN 201510036706 A CN201510036706 A CN 201510036706A CN 104626475 A CN104626475 A CN 104626475A
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- China
- Prior art keywords
- slide block
- cover half
- glue
- fixed
- mold
- Prior art date
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Classifications
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- 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
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/007—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass injection moulding tools
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Coating Apparatus (AREA)
Abstract
The invention belongs to the technical field of molds, and provides a structure capable of overcoming the product appearance offset and a processing technology of the structure capable of overcoming the product appearance offset. The structure comprises a fixed mold and a movable mold, wherein a slide block assembly is arranged between the fixed mold and the movable mold, is inversely arranged on the fixed mold, and comprises a slide block, a limiting block, a slide block cushion block and a shovel base; the slide block cushion block is fixed on the fixed mold; the limiting block is fixed at the bottom of the shovel base; the slide block can move along the shovel base; a glue position head is arranged on the slide block; and after the mold is opened, the slide block is left in the fixed mold, so that a glue position surface of the glue position head of the slide block is oppositely attached to the glue position surface of the fixed mold. The structure has the advantages that the dependence on processing of a high-precision machine tool is reduced; a relatively large accumulated error of a part is permitted; the processing is reached by one step; tests for a plurality of times are not required for repairing the mold; the quality requirements of a product are met; the mold testing time of an injection molding machine on the mold is reduced; and the problems of concave and convex appearance structure offsets in the sides of the product are overcome by designing and optimizing a processing process.
Description
Technical field
The invention belongs to technical field of automobile, relate to one and overcome Surface Appearance break difference structure and processing technology.
Background technology
Usually boss or the shrinkage pool of some side direction is had in plastic product structure; in order to the smooth demoulding of product can be made; this product structure need utilize the side core-drawing mechanism somatotypes such as slide block; based on the existence of side core-pulling typing mechanism; cannot avoid producing corresponding parting line on product appearance surface, the performance of parting line vestige directly reflects the quality of quality outside product.And Mould Machining precision will affect the precision of parting line combination, any lathe has machining accuracy error, therefore conventional mismachining tolerance adds the accumulated error of assembling, the size of core-pulling mechanism parting line offset value will be had influence on, be no matter along offset or inverse offset, after assembling parts, injection mo(u)lding, being reflected to product appearance quality can be then depression or protruding (namely suitable, mould offset), shaping product appearance is difficult to meet customer need, and needs test of many times to revise mould.
Summary of the invention
Technical problem to be solved by this invention is the present situation for prior art, and provide one to overcome Surface Appearance break difference structure, the dependence to high precision machine tool processing can be reduced by this break difference structure, save processing cost, part tolerance scope can be amplified, allow part to have larger cumulative errors, processing settles at one go, repairs a die without the need to test of many times, meet product quality requirement, reduce the die trial number of times of injection moulding machine on mould, save die trial cost, energy-conserving and environment-protective.
The present invention solves the problems of the technologies described above adopted technical scheme: one overcomes Surface Appearance break difference structure, comprise cover half and dynamic model, it is characterized in that, between described fixed half and moving half, there is slide block assembly, described slide block assembly upside-down mounting is on cover half, slide block assembly includes slide block, limited block, slide block cushion block and shovel base, described slide block cushion block is fixed on cover half, limited block is fixed on the bottom of shovel base, slide block can carry out activity along shovel base, described slide block has glue potential head, opening rear slider when mould stays in cover half, be beneficial to the glue potential head glue plane of slide block and cover half glue plane to by fitting.
The measure taked for optimizing such scheme specifically comprises:
Overcome Surface Appearance break difference structure in above-mentioned one, this break difference structure also includes auxiliary fixing device, and described slide block assembly to be loaded on cover half by auxiliary fixing device and to make slide block assembly be in arrested state.
Surface Appearance break difference structure is overcome in above-mentioned one, described auxiliary fixing device comprises briquetting, support column and header screw, described briquetting is pressed in shovel base and slide block forms on the whole, described support column is supported on briquetting bottom, described briquetting offers lock slots, and described header screw to be positioned on lock slots and to make slide block assembly be in arrested state.
Overcome Surface Appearance break difference structure in above-mentioned one, be provided with slider bottom wear-resistant block below described dynamic model, be provided with slide block drag hook on the right side of described slider bottom wear-resistant block, described slide block drag hook is hooked on slider bottom.
Technical problem to be solved by this invention is the present situation for prior art, also provides a kind of processing technology overcoming Surface Appearance break difference structure.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of processing technology overcoming Surface Appearance break difference structure, is characterized in that: this processing technology is carried out according to the following steps:
Step one: by each part dispersion processing, wherein the glue potential head glue plane of slide block reserves 1mm, and the processing of other position puts in place;
Step 2: joined by slide block assembly pincers, the part slide block processed, limited block, slide block cushion block and the upside-down mounting of shovel base in cover half, now ensures that slide block is in movable state;
Step 3: utilize the briquetting in auxiliary fixing device, support column and header screw and by lock slots, the slide block in slide block assembly, limited block, slide block cushion block and shovel base be fixed in cover half, and ensure that slide block assembly is in arrested state;
Step 4: by the slide block assembly one integral piece 90-degree rotation fixed with cover half, be placed in spark machine workbench, to carry out electric discharge processing perpendicular to the direction of spark machine workbench, 1mm surplus reserved for glue potential head glue plane in processing step one is removed, when when removing, surplus remains about 0.1mm, glue plane on observation slide block and the flatness of cover half glue plane periphery, slow down electric discharge process velocity simultaneously, adjustment electric current, pulse are to the parameter that becomes more meticulous, concordant with cover half glue plane to guarantee glue potential head glue plane, no concave-convex offset;
Step 5: discharge off keeps slide block to be fixed on the arrested state of cover half, is integrated depending on slide block and cover half, without fractionation shape, to guarantee seamless connection, carries out polishing to the glue potential head glue plane of slide block and cover half glue plane with equidirectional polishing action;
Step 7: after polishing, dismounting auxiliary fixing device, assemble each part to mould configuration state originally, anti-offset treatment process is complete.
Compared with prior art, the invention has the advantages that the dependence reduced high precision machine tool processing, save processing cost, part tolerance scope can be amplified, allow part to have larger cumulative errors, processing settles at one go, repairs a die without the need to test of many times, meet product quality requirement, reduce the die trial number of times of injection moulding machine on mould, save die trial cost, energy-conserving and environment-protective, the design of processing technology and process optimization, overcome that product side is recessed, side convex appearance structure offset problem.
Accompanying drawing explanation
Fig. 1 is the structural representation after each assembling parts of this mould;
Fig. 2 is that slide block is in active state structural representation;
Fig. 3 is the structural representation of slide block;
Fig. 4 is the structural representation of slide block assembly upside-down mounting on cover half;
Fig. 5 makes slide block assembly be in the structural representation of arrested state by auxiliary fixing device;
Fig. 6 is the structural representation being placed in spark machine workbench electric discharge processing.
Detailed description of the invention
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
In figure, cover half 1; Dynamic model 2; Slide block assembly 3; Slide block 4; Glue potential head 4a; Limited block 5; Slide block cushion block 6; Shovel base 7; Glue potential head glue plane 8; Cover half glue plane 9; Auxiliary fixing device 10; Briquetting 11; Support column 12; Header screw 13; Lock slots 14; Slider bottom wear-resistant block 15; Slide block drag hook 16; Spark machine 17; Electrode 18; Product 19.
As Fig. 1, shown in Fig. 2 and Fig. 3, originally Surface Appearance break difference structure is overcome, comprise cover half 1 and dynamic model 2, there is between cover half 1 and dynamic model 2 slide block assembly 3, slide block assembly 3 upside-down mounting is on cover half 1, conventional shoe 4 is generally loaded on dynamic model 2 part, slide block assembly 3 includes slide block 4, limited block 5, slide block cushion block 6 and shovel base 7, slide block cushion block 6 is fixed on cover half 1, limited block 5 is fixed on the bottom of shovel base 7, slide block 4 can carry out activity along shovel base 7, slide block 4 has glue potential head 4a, opening rear slider 4 when mould stays in cover half 1, the glue potential head glue plane 8 being beneficial to slide block 4 and cover half glue plane 9 are to by fitting, this break difference structure also includes auxiliary fixing device 10, slide block assembly 3 to be loaded on cover half 1 by auxiliary fixing device 10 and to make slide block assembly 3 be in arrested state, here in prior art, mould structure fits together after each part dispersion processing being put in place, especially can cause glue potential head glue plane 8 and cover half glue plane 9 cannot flush fit, product 19 presentation quality will be caused like this to be then depression or protruding (namely suitable, mould offset), and the maximum innovation of the present invention not is the processing of each part separate machined one step put in place, as shown in Figure 5, but first adopt auxiliary fixing device 10 pairs of cover half 1 and slide block assembly 3 to be in arrested state, as shown in Figure 4, be equivalent to the state after simulating final assembling like this, again to while slide block 4 glue potential head glue plane 8 reserve 1mm, and then remove reserved 1mm surplus by electric machining, glue plane on observation slide block 4 and the flatness of cover half glue plane 9 periphery, guarantee that glue potential head glue plane 8 is concordant with cover half glue plane 9 like this, no concave-convex offset, then remove auxiliary fixing device 10 again each part to be assembled, owing to being the state after simulation is assembled before, removing the matching problem that just can ensure glue potential head glue plane 8 and cover half glue plane 9 after auxiliary fixing device 10 is ressembled again like this.
Auxiliary fixing device 10 comprises briquetting 11, support column 12 and header screw 13, briquetting 11 is pressed in shovel base 7 and slide block 4 forms on the whole, support column 12 is supported on briquetting 11 bottom, briquetting 11 offers lock slots 14, header screw 13 to be positioned on lock slots 14 and to make slide block assembly 3 be in arrested state, here support column 12 ensure that the stability that briquetting 11 fastens, header screw 13 is mainly used in locking, dynamic model 2 is provided with slider bottom wear-resistant block 15 below, slide block drag hook 16 is provided with on the right side of slider bottom wear-resistant block 15, slide block drag hook 16 is hooked on bottom slide block 4, here slider bottom wear-resistant block 15 can improve the abrasion resistance of slide block 4.
Originally overcome the processing technology of Surface Appearance break difference structure, mainly carry out according to the following steps: step one: by each part dispersion processing, wherein the glue potential head glue plane 8 of slide block 4 reserves 1mm, and the processing of other position puts in place, as shown in Figure 2, step 2: joined by slide block assembly 3 pincers, the part slide block 4 processed, limited block 5, slide block cushion block 6 and the upside-down mounting of shovel base 7 in cover half 1, now ensures that slide block 4 is in movable state, as shown in Figure 5, step 3: utilize the briquetting 11 in auxiliary fixing device 10, support column 12 and header screw 13 and by lock slots 14, slide block 4 in slide block assembly 3, limited block 5, slide block cushion block 6 and shovel base 7 are fixed in cover half 1, and ensure that slide block assembly 3 is in arrested state, as shown in Figure 6, step 4: by the slide block assembly 3 one integral piece 90-degree rotation fixed with cover half 1, be placed in spark machine 17 workbench, to carry out electrode 18 electric discharge processing perpendicular to the direction of spark machine 17 workbench, 1mm surplus reserved for glue potential head glue plane in processing step one 8 is removed, when when removing, surplus remains about 0.1mm, glue plane on observation slide block 4 and the flatness of cover half glue plane 9 periphery, slow down electric discharge process velocity simultaneously, adjustment electric current, pulse are to the parameter that becomes more meticulous, concordant with cover half glue plane 9 to guarantee glue potential head glue plane 8, no concave-convex offset, step 5: discharge off keeps slide block 4 to be fixed on the arrested state of cover half 1, is integrated depending on slide block 4 and cover half 1, without splitting shape, to guarantee seamless connection, carries out polishing to the glue potential head glue plane 8 of slide block 4 and cover half glue plane 9 with equidirectional polishing action, step 7: after polishing, dismounting auxiliary fixing device 10, assemble each part to mould configuration state originally, anti-offset treatment process is complete, by the dependence to high precision machine tool processing can be reduced after anti-offset process, save processing cost, part tolerance scope can be amplified, part is allowed to have larger cumulative errors, processing settles at one go, repair a die without the need to test of many times, meet product 19 quality requirements, reduce the die trial number of times of injection moulding machine on mould, save die trial cost, energy-conserving and environment-protective, the design of processing technology and process optimization, overcome product 19 side recessed, side convex appearance structure offset problem.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from the scope that spirit of the present invention defines.
Claims (5)
1. one kind overcomes Surface Appearance break difference structure, comprise cover half and dynamic model, it is characterized in that, between described fixed half and moving half, there is slide block assembly, described slide block assembly upside-down mounting is on cover half, slide block assembly includes slide block, limited block, slide block cushion block and shovel base, described slide block cushion block is fixed on cover half, limited block is fixed on the bottom of shovel base, slide block can carry out activity along shovel base, described slide block having glue potential head, open rear slider when mould and stay in cover half, being beneficial to the glue potential head glue plane of slide block and cover half glue plane to by fitting.
2. one according to claim 1 overcomes Surface Appearance break difference structure, it is characterized in that, this break difference structure also includes auxiliary fixing device, and described slide block assembly to be loaded on cover half by auxiliary fixing device and to make slide block assembly be in arrested state.
3. one according to claim 2 overcomes Surface Appearance break difference structure, it is characterized in that, described auxiliary fixing device comprises briquetting, support column and header screw, described briquetting is pressed in shovel base and slide block forms on the whole, described support column is supported on briquetting bottom, described briquetting offers lock slots, and described header screw to be positioned on lock slots and to make slide block assembly be in arrested state.
4. one according to claim 3 overcomes Surface Appearance break difference structure, it is characterized in that, be provided with slider bottom wear-resistant block below described dynamic model, be provided with slide block drag hook on the right side of described slider bottom wear-resistant block, described slide block drag hook is hooked on slider bottom.
5. overcome a processing technology for Surface Appearance break difference structure, it is characterized in that: this processing technology is carried out according to the following steps:
Step one: by each part dispersion processing, wherein the glue potential head glue plane of slide block reserves 1mm, and the processing of other position puts in place;
Step 2: joined by slide block assembly pincers, the part slide block processed, limited block, slide block cushion block and the upside-down mounting of shovel base in cover half, now ensures that slide block is in movable state;
Step 3: utilize the briquetting in auxiliary fixing device, support column and header screw and by lock slots, the slide block in slide block assembly, limited block, slide block cushion block and shovel base be fixed in cover half, and ensure that slide block assembly is in arrested state;
Step 4: by the slide block assembly one integral piece 90-degree rotation fixed with cover half, be placed in spark machine workbench, to carry out electric discharge processing perpendicular to the direction of spark machine workbench, 1mm surplus reserved for glue potential head glue plane in processing step one is removed, when when removing, surplus remains about 0.1mm, glue plane on observation slide block and the flatness of cover half glue plane periphery, slow down electric discharge process velocity simultaneously, adjustment electric current, pulse are to the parameter that becomes more meticulous, concordant with cover half glue plane to guarantee glue potential head glue plane, no concave-convex offset;
Step 5: discharge off keeps slide block to be fixed on the arrested state of cover half, is integrated depending on slide block and cover half, without fractionation shape, to guarantee seamless connection, carries out polishing to the glue potential head glue plane of slide block and cover half glue plane with equidirectional polishing action;
Step 7: after polishing, dismounting auxiliary fixing device, assemble each part to mould configuration state originally, anti-offset treatment process is complete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510036706.8A CN104626475B (en) | 2015-01-23 | 2015-01-23 | One kind overcomes Surface Appearance break difference structure and processing technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510036706.8A CN104626475B (en) | 2015-01-23 | 2015-01-23 | One kind overcomes Surface Appearance break difference structure and processing technology |
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| CN104626475A true CN104626475A (en) | 2015-05-20 |
| CN104626475B CN104626475B (en) | 2017-06-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106738515A (en) * | 2017-01-04 | 2017-05-31 | 佛山市顺德区百年科技有限公司 | Die assembly |
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| US4888252A (en) * | 1986-08-06 | 1989-12-19 | Rafael Kilim | Mould sets for plastics moulding machines |
| WO2007080137A1 (en) * | 2006-01-10 | 2007-07-19 | Ccc Udo Suffa Gmbh | Mould tooling with frame-type guide device |
| CN102284847A (en) * | 2011-07-19 | 2011-12-21 | 南通超达机械科技有限公司 | Precise-guide die arrangement process for auto interior ornament moulding mould |
| CN202155976U (en) * | 2011-06-20 | 2012-03-07 | 嘉兴信元精密模具科技有限公司 | Female die core pulling mechanism |
| CN102806446A (en) * | 2012-09-03 | 2012-12-05 | 贵州安吉航空精密铸造有限责任公司 | Machining method for molds |
| CN204749155U (en) * | 2015-01-23 | 2015-11-11 | 嘉兴信元精密模具科技有限公司 | Disconnected poor structure |
-
2015
- 2015-01-23 CN CN201510036706.8A patent/CN104626475B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4888252A (en) * | 1986-08-06 | 1989-12-19 | Rafael Kilim | Mould sets for plastics moulding machines |
| WO2007080137A1 (en) * | 2006-01-10 | 2007-07-19 | Ccc Udo Suffa Gmbh | Mould tooling with frame-type guide device |
| CN202155976U (en) * | 2011-06-20 | 2012-03-07 | 嘉兴信元精密模具科技有限公司 | Female die core pulling mechanism |
| CN102284847A (en) * | 2011-07-19 | 2011-12-21 | 南通超达机械科技有限公司 | Precise-guide die arrangement process for auto interior ornament moulding mould |
| CN102806446A (en) * | 2012-09-03 | 2012-12-05 | 贵州安吉航空精密铸造有限责任公司 | Machining method for molds |
| CN204749155U (en) * | 2015-01-23 | 2015-11-11 | 嘉兴信元精密模具科技有限公司 | Disconnected poor structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106738515A (en) * | 2017-01-04 | 2017-05-31 | 佛山市顺德区百年科技有限公司 | Die assembly |
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| CN104626475B (en) | 2017-06-27 |
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