CN201745133U - Die for adjusting local molding thickness of product - Google Patents
Die for adjusting local molding thickness of product Download PDFInfo
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- CN201745133U CN201745133U CN2010202422575U CN201020242257U CN201745133U CN 201745133 U CN201745133 U CN 201745133U CN 2010202422575 U CN2010202422575 U CN 2010202422575U CN 201020242257 U CN201020242257 U CN 201020242257U CN 201745133 U CN201745133 U CN 201745133U
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Abstract
The utility model discloses a die which can adjust a local molding thickness of a product. The die comprises a molding assembly mounted on a molding plate, wherein a molding member for molding a certain part of the product is fixedly mounted in the molding assembly; and the molding member is axially supported in the molding assembly through an adjusting gasket arranged in the molding assembly. An axial position of a head of the molding member can be changed by replacing the adjusting gasket with a proper thickness after disassembling the molding assembly, without reprocessing the molding member, so that the local molding thickness of the product can be adjusted conveniently. The die structure is suitable for molding not only an outer cover of a pull ring sealing combination cover of a plastic infusion container in a background technology but also other injection products with particular requirements on wall thickness.
Description
Technical field
The utility model relates to the mould of the locally-shaped thickness of a kind of adjustable product in the injection mo(u)lding field.
Background technology
Wall thickness for some privileged sites of numerous injecting products has strict demand usually.Such as the enclosing cover of the lid of the plastic container for infusion draw-ring type seal combination shown in Fig. 1～2, be to fasten draw ring 2 with finger up to draw when using owing to it, the top of lid is pulled off along tearing groove 1, so the thickness of this tearing groove 1 has directly determined the pulling force size.And reasonably the pulling force size should be 35N～75N, so the thickness of this tearing groove also should be controlled in the corresponding scope.For this product of moulding, existing mould has adopted as Fig. 3 and structure shown in Figure 6, the die cavity 6 that is this mould behind the matched moulds is made of cover half molding assembly 5 and dynamic model molding assembly 7, this dynamic model molding assembly 7 has adopted edge to piece together structure, comprises the profiled part 701 that is used for shaped article tearing groove position and is assemblied in the outside of this profiled part 701 and is mainly used in the outer mold insert 702 of shaped article inner cylinder face.Because the foozle of mould, the contraction of plastic material, the influence of various factors such as selection of Shooting Technique, the tearing groove thickness of products obtained therefrom often can not meet the demands after the first die trial, therefore needs mould is made amendment.
As Fig. 3 and shown in Figure 6, because what described profiled part 701 adopted is that the bottom positioning step 8 that directly is provided with the most commonly used in the mould design carries out axial location, therefore in case face the problem that tearing groove thickness can't meet the demands, just can only adopt earlier this profiled part 701 is disassembled from mould, and then to the processing that repairs a die of this profiled part 701.Concretely, too thin as the tearing groove thickness of fruit product, then need the head of profiled part is processed, thus the height of reduction moulding component upper ends face; And too thick as the tearing groove thickness of fruit product, then need the position that is mated on the appear on the stage terrace and the outer mold insert of machine-shaping feature bottom positioning step, and will carry out grinding the bottom surface of moving platen 3, move thereby make on the whole profiled part.But no matter be above-mentioned which kind of situation, after all must earlier mould being hung oneself from injection machine, again mould be all broken, take out profiled part then it is processed.As seen,, cause the adjustment of the molding thickness of tearing groove is extremely bothered, and need process again, improved the mold repair cost profiled part because the design of this mould structure is unreasonable.
The utility model content
And the technical problem that the utility model solved promptly provides the mould of the locally-shaped thickness of a kind of adjustable product.
The technical scheme that its technical problem that solves the utility model adopts is: the mould of the locally-shaped thickness of adjustable product, comprise the molding assembly that is installed on the template, fixed installation is useful on the profiled part of a part on the said product of moulding in this molding assembly, and this profiled part axially is supported in this molding assembly by the adjusting pad sheet that is arranged in the described molding assembly.If the application's mould is used for the said enclosing cover of moulding background technology, moulding is carried out by described profiled part in the tearing groove position of this product, then the tearing groove thickness as fruit product does not reach requirement, after molding assembly taken apart, only need to change the axial location that the suitable adjustment pad of thickness just can change profiled part, and need not profiled part and template are reprocessed the adjustment of carrying out tearing groove thickness that therefore can be convenient.
Further be, the bottom of described profiled part is provided with positioning step, and the outside of this profiled part also is equipped with outer mold insert, when should outer mold insert being installed on the described template end face by threaded fastener, the ledge structure that is arranged on this outer mold insert inwall axially fastens the terrace of appearing on the stage of described positioning step, thereby makes the leave from office terrace of described positioning step compress described adjustment pad.This structure is actually profiled part from reversible being encased in the molding assembly of the end face of template, does not therefore need entire die is hung oneself down from injection machine when repairing a die, and only needs just molding assembly to be taken apart from the front of template.As seen, the advantage of this structure is to realize the online dismounting of molding assembly, thereby has further improved the convenience that tearing groove thickness is adjusted.
Further be, the inside of described profiled part also is equipped with the interior mold insert of band cooling water channel, one end of this interior mold insert axially stretches out the leave from office terrace of described positioning step and is formed for withstanding the shoulder block of described adjustment pad, and bottom of mold insert is provided with and the suitable limited step of the step locating hole of template bottom surface in this.Mold insert had both played adjusting the supporting role of pad in being provided with, carry out the cooling of profiled part again by its cooling water channel, and under the situation that does not change whole framed size and template thickness, can also reduce the axial dimension of profiled part, be convenient to processing, improve its force-bearing situation profiled part.As seen, this structure is optimized on the basis of technique scheme, makes mould structure more reasonable.
Further be also to be equipped with rubber ring between described ledge structure and the described positioning step.Obviously, can eliminate fit clearance, avoid the axial motion of profiled part fully by setting up rubber ring.
The beneficial effects of the utility model are: after molding assembly is taken apart, only need to change the axial location that the suitable adjustment pad of thickness just can change moulding member head portion, need not profiled part is reprocessed, therefore can adjust the locally-shaped thickness of product easily.The application's this mould structure is not only applicable to the moulding to the enclosing cover of said plastic container for infusion draw-ring type seal combination lid in the background technology, is applicable to the moulding that other is had the injecting products of special wall thickness requirement yet.
Description of drawings
Fig. 1 is the front view of the enclosing cover of existing plastic container for infusion draw-ring type seal combination lid.
Fig. 2 is that the A-A of Fig. 1 is to cutaway view.
Fig. 3 is the existing structural representation that is used for the mould of the above-mentioned enclosing cover of moulding.
The structural representation of the mould that is used for the above-mentioned enclosing cover of moulding that Fig. 4 provides for the application.
The schematic diagram of Fig. 5 during for dismounting die for molding assembly shown in Figure 4.
Fig. 6 is the partial enlarged drawing at B place among Fig. 3.
Fig. 7 is the partial enlarged drawing at C place among Fig. 4.
Be labeled as among the figure: tearing groove 1, draw ring 2, template 3, screw 4, cover half molding assembly 5, die cavity 6, dynamic model molding assembly 7 (profiled part 701, outer mold insert 702), bottom positioning step 8, molding assembly 9 (profiled part 901, outer mold insert 902, rubber ring 903, positioning step 904, adjust pad 905, interior mold insert 906, ledge structure 907, the terrace 908 of appearing on the stage, leave from office terrace 909, shoulder block 9010, limited step 9011), threaded fastener 10, push pedal 11, contiguous block 12, die joint I.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further.
Mould as Fig. 4 and the locally-shaped thickness of adjustable product shown in Figure 7, comprise the molding assembly 9 that is installed on the template 3, fixed installation is useful on the profiled part 901 of a part on the said product of moulding in this molding assembly 9, and this profiled part 901 is by being arranged on adjustment pad 905 axial support in the described molding assembly 9 in this molding assembly 9.If this mould is used for the said enclosing cover of moulding background technology, moulding is carried out by described profiled part 901 in the position of the tearing groove 1 of this product, thickness as the tearing groove 1 of fruit product does not reach requirement, after molding assembly 9 taken apart, only need to change the axial location that the suitable adjustment pad 905 of thickness just can change profiled part 901, and need not profiled part 901 and template 3 are reprocessed, therefore can adjust by convenient thickness tearing groove 1.
As further improvement in the technical proposal, the bottom of described profiled part 901 is provided with positioning step 904, and the outside of this profiled part 901 also is equipped with outer mold insert 902, when should outer mold insert 902 being installed on the described template 3 by threaded fastener 10, the ledge structure 907 that is arranged on these outer mold insert 902 inwalls axially fastens the terrace 908 of appearing on the stage of described positioning step 904, thereby makes the leave from office terrace 909 of described positioning step 904 compress described adjustment pad 905.This structure is actually profiled part 901 from reversible being encased in the molding assembly 9 of the end face of template 3, does not therefore need entire die is hung oneself down from injection machine when repairing a die, and only needs just molding assembly 9 to be taken apart from the front of template 3.As seen, the advantage of this structure is to realize the online dismounting of molding assembly 9, thereby has further improved the convenience that tearing groove thickness is adjusted.Hereinafter will be further detailed the dismounting of molding assembly 9 in conjunction with Fig. 3 and Fig. 5.
As Fig. 3 and shown in Figure 5, at first operate injection machine from die joint I separately with the active and inactive mold of mould, then screw 4 is unloaded, and then operation injection machine matched moulds, after linking, divides by cover half mould with contiguous block 12 and screw once more with push pedal 11, profiled part 901 in the molding assembly 9, outer mold insert 902, adjustment pad 905 etc. remain in template 3 together, and dismantle threaded fastener 10 and just can easily outer mold insert 902, profiled part 901 and adjustment pad 905 be taken off together this moment.
As further improvement in the technical proposal, the inside of described profiled part 901 also is equipped with the interior mold insert 906 of band cooling water channel, one end of this interior mold insert 906 axially stretches out the leave from office terrace 909 of described positioning step 904 and is formed for withstanding the shoulder block 9010 of described adjustment pad 905, and bottom of mold insert 906 is provided with and the suitable limited step 9011 of the step locating hole of template 3 bottom surfaces in this.Mold insert 906 had both played adjusting the supporting role of pad 905 in being provided with, carry out the cooling of profiled part 901 again by its cooling water channel, and under the situation that does not change whole framed size and template thickness, can also reduce the axial dimension of profiled part 901, be convenient to processing, improve its force-bearing situation profiled part 901.As seen, this structure is optimized on the basis of technique scheme, makes mould structure more reasonable.
In addition, preferably between described ledge structure 907 and described positioning step 904, assemble rubber ring 903 again, thereby eliminate fit clearance, avoid the axial motion of profiled part 901 fully.
Claims (4)
1. the mould of the locally-shaped thickness of adjustable product, comprise the molding assembly (9) that is installed on the template (3), fixed installation is useful on the profiled part (901) of a part on the said product of moulding in this molding assembly (9), it is characterized in that: this profiled part (901) is by being arranged on adjustment pad (905) axial support in the described molding assembly (9) in this molding assembly (9).
2. the mould of the locally-shaped thickness of adjustable product as claimed in claim 1, it is characterized in that: the bottom of described profiled part (901) is provided with positioning step (904), and the outside of this profiled part (901) also is equipped with outer mold insert (902), when should outer mold insert (902) being installed in described template (3) and going up by threaded fastener (10), the ledge structure (907) that is arranged on this outer mold insert (902) inwall axially fastens the terrace of appearing on the stage (908) of described positioning step (904), thereby makes the leave from office terrace (909) of described positioning step (904) compress described adjustment pad (905).
3. the mould of the locally-shaped thickness of adjustable product as claimed in claim 2, it is characterized in that: the inside of described profiled part (901) also is equipped with the interior mold insert (906) of band cooling water channel, one end of this interior mold insert (906) axially stretches out the leave from office terrace (909) of described positioning step (904) and is formed for withstanding the shoulder block (9010) of described adjustment pad (905), and the bottom of this interior mold insert (906) is provided with the suitable limited step (9011) of step locating hole with template (3) bottom surface.
4. as the mould of claim 2 or the locally-shaped thickness of 3 described adjustable product, it is characterized in that: also be equipped with rubber ring (903) between described ledge structure (907) and the described positioning step (904).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202422575U CN201745133U (en) | 2010-06-30 | 2010-06-30 | Die for adjusting local molding thickness of product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202422575U CN201745133U (en) | 2010-06-30 | 2010-06-30 | Die for adjusting local molding thickness of product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201745133U true CN201745133U (en) | 2011-02-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202422575U Expired - Fee Related CN201745133U (en) | 2010-06-30 | 2010-06-30 | Die for adjusting local molding thickness of product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201745133U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104760218A (en) * | 2015-04-01 | 2015-07-08 | 中山联合光电科技股份有限公司 | Adjustable high-precision plastic mold structure |
| CN107443688A (en) * | 2017-09-14 | 2017-12-08 | 重庆联荣智能模具股份有限公司 | A kind of industrial bucket shaping and demoulding mould |
| CN109982821A (en) * | 2017-07-21 | 2019-07-05 | 第一精工株式会社 | The method of adjustment and mold for resin-molding of mold for resin-molding |
-
2010
- 2010-06-30 CN CN2010202422575U patent/CN201745133U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104760218A (en) * | 2015-04-01 | 2015-07-08 | 中山联合光电科技股份有限公司 | Adjustable high-precision plastic mold structure |
| CN109982821A (en) * | 2017-07-21 | 2019-07-05 | 第一精工株式会社 | The method of adjustment and mold for resin-molding of mold for resin-molding |
| CN109982821B (en) * | 2017-07-21 | 2021-01-22 | 第一精工株式会社 | Method for adjusting resin sealing mold and resin sealing mold |
| CN107443688A (en) * | 2017-09-14 | 2017-12-08 | 重庆联荣智能模具股份有限公司 | A kind of industrial bucket shaping and demoulding mould |
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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 |
Granted publication date: 20110216 Termination date: 20170630 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |