CN102019667B - Automatic cutoff and ejection mechanism for plastic mould gate - Google Patents
Automatic cutoff and ejection mechanism for plastic mould gate Download PDFInfo
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- CN102019667B CN102019667B CN 200910307140 CN200910307140A CN102019667B CN 102019667 B CN102019667 B CN 102019667B CN 200910307140 CN200910307140 CN 200910307140 CN 200910307140 A CN200910307140 A CN 200910307140A CN 102019667 B CN102019667 B CN 102019667B
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- slide block
- cast gate
- square groove
- gone
- son
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Abstract
The invention provides an automatic cutoff and ejection mechanism for a plastic mould gate, which consists of a slide block insert, an ejector pin and a male die core, wherein the slide block insert is provided with a sprue; an injector pin hole is formed in the sprue, and the ejector pin is arranged in the ejector pin hole; the bottom of the slide block insert is provided with a guiding groove; the male die core is provided with a square groove; a platform is arranged on the side face of the square groove and protrudes from the side face; one side face of the platform is an inclined plane; the slide block insert is arranged in the square groove of the male die core; and an empty avoiding position is reserved between the slide block insert and the side wall of the square groove. A runner postprocessing mechanism is eliminated, the slide block insert is provided with a sprue and the injector pin, the sprue is automatically cut and ejected, and the human resources and the sprue postprocessing cost are saved.
Description
Technical field
The present invention relates to the fracture mechanism of plastic mould cast gate, specifically a kind of automatic fracture and ejecting mechanism of plastic mould cast gate.
Background technology
In the plastic mould manufacturing industry, present outward appearance part plastic cement products is more and more, all unusual strictnesses of the requirement of this kind outward appearance part product, phenomenons such as joint line, current mark, burr, cast gate can not appear in product surface, and this also just has higher requirement to the manufacturing of plastic mould.
When outward appearance part plastic cement products is thin cannot be when the master mold appearance be arranged cast gate, adopt arrange in the side of the plastic cement products mode of cast gate of three template dies to advance glue usually.After using this runner moulding, also need to arrange one back manufacturing procedure that the cast gate of plastic cement products side is sheared, so just increased unnecessary human resources, caused the rising of production cost.
See also Fig. 1, be the mould structure schematic diagram of prior art.Cast gate 2 half on mother module core 3.Second half is on male model benevolence 4, and cast gate 2 places are not provided with automatic disconnection and ejecting mechanism, and after taking-up was finished in product 1 moulding, cast gate 2 still linked together with product 1, and this arranges follow-up artificial operation that the cast gate 2 of product 1 is pruned with regard to needing.
Summary of the invention
Because above-mentioned problem, outward appearance part plastic cement products is arranged side gate when advancing glue, needs to arrange the following process operation, and cast gate is sheared.The objective of the invention is to overcome the deficiencies in the prior art and defective, a kind of automatic fracture and ejecting mechanism of plastic mould cast gate is provided.
The invention provides a kind of automatic fracture and ejecting mechanism of plastic mould cast gate, go into son, thimble, male model benevolence by slide block and form.Slide block is gone into son, and the end face of its end is provided with cast gate, and this cast gate the inside is provided with the centre hole that runs through, and its thimble is seated in this centre hole, and this slide block is gone into the son bottom and had square gathering sill; Male model benevolence, it has square groove, and the middle part of this square groove one side is provided with platform, and this platform protrudes from this side, and a side of this platform is the inclined-plane; The end that this slide block is gone into son places in the square groove of this male model benevolence, the platform of this square groove sidewall is sticked in the square gathering sill that this slide block is gone into the son bottom, the end that this slide block is gone into sub-end thimble contacts with the bottom surface of this square groove, and this slide block is gone into son and had a clearance position with the sidewall of this square groove.
More excellent, described this slide block that is arranged on is gone into cast gate on the end face of sub-end for semicircle.
More excellent, be arranged with spring on the described thimble.
More excellent, the hanging platform of described thimble one end has chamfer.
Compared with prior art, the present invention adopts and exempts organisation of working behind the runner, goes into cast gate and thimble are set on the son at slide block, has realized the automatic shearing of cast gate and ejects, and has saved the expense of human resources and cast gate post processing.
Description of drawings
Fig. 1 is the mould structure schematic diagram of prior art.
Fig. 2 is the automatic fracture of plastic mould cast gate of the present invention and the structural representation of ejecting mechanism.
Fig. 3 is the automatic fracture of plastic mould cast gate of the present invention and the local enlarged diagram of ejecting mechanism.
Fig. 4 is the automatic fracture of plastic mould cast gate of the present invention and the decomposing schematic representation of ejecting mechanism.
Fig. 5 is the automatic fracture of plastic mould cast gate of the present invention and the generalized section of ejecting mechanism.
The specific embodiment
For describing technology contents of the present invention, structural feature in detail, illustrated in detail below in conjunction with embodiment and conjunction with figs..
See also Fig. 2, Fig. 3 and Fig. 4, be respectively the automatic fracture of plastic mould cast gate of the present invention and the structural representation of ejecting mechanism, local enlarged diagram, decomposing schematic representation.The end face of going into sub 14 ends at slide block is provided with semicircular runners 15, and an end of this cast gate 15 is connected with the die cavity 16 of mould, forms the plastic cement flow channel.When producing, the plastic cement of fusion can flow into die cavity 16 by this passage.Offer one in this cast gate 15 and vertically run through the centre hole 17 that slide block is gone into son 14, the diameter of 17 times stomidiums of this centre hole is greater than the diameter of upper end hole, spring 19 is located on the thimble 18, place together in the following stomidium of this centre hole 17, the hanging platform of these thimble 18 1 ends has chamfer 20, and the other end is located in the upper end hole of centre hole 17.The middle part, bottom that this slide block is gone into son 14 also offers a square gathering sill 23.The position that cast gate 15 is set in male model benevolence 13 has square groove 21, its size shape is consistent with the shape size that slide block is gone into sub 14 ends, the side of this square groove 21 is provided with the platform 22 of a protrusion, the height of this platform 22 is gone into the degree of depth of sub 14 bottom gathering sills 23 less than slide block, and this platform 22 side is arranged is inclined-plane 24.
This mechanism is when combination, the end that slide block is gone into son 14 places in the square groove 21 of male model benevolence 3, the platform 22 that these square groove 21 sidewalls protrude is sticked in the square gathering sill 23 that slide block is gone into sub 14 bottoms, being arranged on slide block goes into an end of the thimble 18 of sub 14 ends and contacts with the bottom surface of this square groove 21, and this slide block goes into son 14 bottom and has a clearance position 25 with the sidewall of this square groove 21, with avoid slide block go into son 14 when moving and the sidewall of square groove 21 interfere mutually.
Please continue to consult structural representation and generalized section that Fig. 2 and Fig. 5 are respectively the automatic fracture and the ejecting mechanism of plastic mould cast gate of the present invention.When die sinking, caster 10 drives slide block bundle pieces 26 and moves upward, slide block is gone into son 14 and lost binding force, and begins to withdraw under the effect of spring 27 elastic force, and slide block is gone into withdrawing from of son 14 and broken being connected of cast gate 15 and product.Meanwhile, the thimble 18 that slide block is gone into sub 14 ends also withdraws from thereupon, the chamfer 20(of its hanging platform sees also Fig. 3) beginning contacts with the inclined-plane 24 of platform 22 on square groove 21 sides, along with slide block is gone into withdrawing from of son 14, thimble 18 also constantly upwards ejects cast gate 15, and spring 19 carried out precompressed, make it that elastic deformation take place.Eject fully at product and cast gate, when mould carries out matched moulds, slide block is gone into son 14 and is travelled forward under the promotion of slide block bundle piece 26, thimble 18 along with the inclined-plane 24 of platform 22 to front slide, spring 19 begins to recover elastic deformation, recover under the elastic force effect of elastic deformation generation at spring 19, thimble 17 moves downward, and carries out revert action.Principle, the member of the slide block mechanism motion in the slide block mechanism that applies in the automatic fracture of this invention plastic mould cast gate and ejecting mechanism, its motion principle, member and known technology are consistent, just no longer give unnecessary details at this.
The above is preferred embodiment of the present invention only, is not to be used for limiting practical range of the present invention; Every according to equivalence variation and modification that the present invention did, all covered by the scope of claims of the present invention.
Claims (4)
1. the automatic fracture and the ejecting mechanism of a plastic mould cast gate are gone into son, thimble, male model benevolence by slide block and are formed, and it is characterized in that:
Slide block is gone into son, and the end face of its end is provided with cast gate, and this cast gate the inside is provided with the centre hole that runs through, and its thimble is seated in this centre hole, and this slide block is gone into the son bottom and had square gathering sill;
Male model benevolence, it has square groove, and the middle part of this square groove one sidewall is provided with platform, and this platform protrudes from this sidewall, and a side of this platform is the inclined-plane;
The end that this slide block is gone into son places in the square groove of this male model benevolence, the platform of this square groove sidewall is sticked in the square gathering sill that this slide block is gone into the son bottom, the end that this slide block is gone into sub-end thimble contacts with the bottom surface of this square groove, and this slide block is gone into son and had a clearance position with the sidewall of this square groove.
2. the automatic fracture and the ejecting mechanism of a kind of plastic mould cast gate according to claim 1 is characterized in that: described this slide block that is arranged on is gone into cast gate on the end face of sub-end for semicircle.
3. the automatic fracture and the ejecting mechanism of a kind of plastic mould cast gate according to claim 1 is characterized in that: be arranged with spring on the described thimble.
4. the automatic fracture and the ejecting mechanism of a kind of plastic mould cast gate according to claim 1 is characterized in that: the hanging platform of described thimble one end has chamfer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910307140 CN102019667B (en) | 2009-09-17 | 2009-09-17 | Automatic cutoff and ejection mechanism for plastic mould gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910307140 CN102019667B (en) | 2009-09-17 | 2009-09-17 | Automatic cutoff and ejection mechanism for plastic mould gate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102019667A CN102019667A (en) | 2011-04-20 |
| CN102019667B true CN102019667B (en) | 2013-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910307140 Expired - Fee Related CN102019667B (en) | 2009-09-17 | 2009-09-17 | Automatic cutoff and ejection mechanism for plastic mould gate |
Country Status (1)
| Country | Link |
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| CN (1) | CN102019667B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102950728B (en) * | 2011-08-17 | 2016-12-21 | 苏州汉扬精密电子有限公司 | Mould hose lining mouth shearing mechanism |
| CN102490324B (en) * | 2011-11-12 | 2014-01-22 | 董彦 | Device for automatic blanking of three-plate mold spreader channel cold slug |
| TWI491489B (en) * | 2012-10-11 | 2015-07-11 | 廣達電腦股份有限公司 | Plastic material injection molding device and method using the same |
| CN103909623B (en) * | 2013-01-03 | 2016-08-10 | 汉达精密电子(昆山)有限公司 | Flexible glue enters gluing mechanism |
| CN103111531B (en) * | 2013-01-31 | 2015-04-29 | 张志才 | Automatic terminal support riveting copper ingot device and riveting copper ingot method thereof |
| CN114763008B (en) * | 2021-01-15 | 2023-12-12 | 苏州汉扬精密电子有限公司 | Female die sliding block anti-drawing die structure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM327787U (en) * | 2007-07-30 | 2008-03-01 | Chin Ming Shan Optronics Corp | Sliding block type forming mold suitable for dual plastic injection |
| CN201609948U (en) * | 2009-09-17 | 2010-10-20 | 汉达精密电子(昆山)有限公司 | Automatic material-cutting and ejecting mechanism of plastic die gating |
-
2009
- 2009-09-17 CN CN 200910307140 patent/CN102019667B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM327787U (en) * | 2007-07-30 | 2008-03-01 | Chin Ming Shan Optronics Corp | Sliding block type forming mold suitable for dual plastic injection |
| CN201609948U (en) * | 2009-09-17 | 2010-10-20 | 汉达精密电子(昆山)有限公司 | Automatic material-cutting and ejecting mechanism of plastic die gating |
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| Publication number | Publication date |
|---|---|
| CN102019667A (en) | 2011-04-20 |
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Granted publication date: 20130731 Termination date: 20170917 |
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| CF01 | Termination of patent right due to non-payment of annual fee |