CN204525883U - The rubber test piece mould of a kind of easy die sinking, thickness stable and uniform - Google Patents

The rubber test piece mould of a kind of easy die sinking, thickness stable and uniform Download PDF

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Publication number
CN204525883U
CN204525883U CN201520196103.XU CN201520196103U CN204525883U CN 204525883 U CN204525883 U CN 204525883U CN 201520196103 U CN201520196103 U CN 201520196103U CN 204525883 U CN204525883 U CN 204525883U
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CN
China
Prior art keywords
test piece
die sinking
groove
bolster
mould
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.)
Expired - Fee Related
Application number
CN201520196103.XU
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Chinese (zh)
Inventor
李先文
沈嘉
张目蕾
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Rich Science And Technology Ltd Of Jiangsu Thousand Richness
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Rich Science And Technology Ltd Of Jiangsu Thousand Richness
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Priority to CN201520196103.XU priority Critical patent/CN204525883U/en
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Abstract

The utility model discloses the rubber test piece mould of a kind of easy die sinking, thickness stable and uniform, the cope match-plate pattern comprising lower bolster and mate with lower bolster, lower bolster is provided with for the shaping test piece groove of test piece, and the surrounding of test piece groove is provided with flash groove; Described flash groove comprises mutually vertical setting and the horizontal flash groove of intersection connection and longitudinal flash groove; The width of described flash groove is 2 ~ 8mm, and the degree of depth of described flash groove is 1.5 ~ 3mm; Described flash groove all extends to the edge of described lower bolster; The edge of described lower bolster is provided with some die sinking holes, and described die sinking hole is positioned at the periphery of described test piece groove; Described lower bolster is run through in described die sinking hole; Be provided with mould in described die sinking hole and back down mechanism, described mould back down mechanism can under upwards by described cope match-plate pattern jack-up, complete die sinking.The rubber test piece mould that the utility model provides has the advantage such as easy die sinking, thickness of test piece stable and uniform.

Description

The rubber test piece mould of a kind of easy die sinking, thickness stable and uniform
Technical field
The utility model relates to a kind of compacting tool set, specifically relates to the rubber test piece mould of a kind of easy die sinking, thickness stable and uniform.
Background technology
The mould of existing rubber test piece, arranges forming tank usually on mould, when making test piece, sheet rubber (general thickness is greater than 2mm) is put into the lower mode cavity being preheating to set point of temperature mould, then cover cope match-plate pattern, be put in press, first cure is carried out in heating pressurization.
The patent No. is disclose a kind of simple multifunctional compound rubber mold in the utility model patent of 201420043181.1, and this mould, for making macromolecular material test sample, belongs to a kind of compacting tool set.The patrix that it comprises counterdie and matches with counterdie; Counterdie has had die orifice, and its surrounding also has flash groove; Described counterdie is a nothing top casing, has vertical sled mouth at the inner surface of counterdie sidewall; The pad matched with lower mold cavity is placed with in described counterdie; Described patrix is a flat board covering at counterdie top.The advantage of this utility model is: by the combination of different pads, can prepare multiple sample, realize multifunction, reduce the parking space of mould, save mould input cost, economize energy, raises the efficiency.
Existing sheet rubber makes in mould, and width and the degree of depth of the set flash groove of surrounding of its die cavity are often less, cause sizing material unnecessary in film-making process not overflow completely, easily cause the unequal problem of thickness of test piece.In addition, after test piece is compressing, often there is test piece mucous membrane and cause mould to be difficult to the phenomenon of opening; Usually the solution taked at present is pried open by upper and lower mould with instrument, but often cause template surface large area to scratch when prying open mould, affects the mold use life-span.
Summary of the invention
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of easy die sinking, the rubber test piece of thickness of test piece stable and uniform makes mould.
The technical scheme that the utility model technical solution problem adopts is: the rubber test piece mould of a kind of easy die sinking, thickness stable and uniform, the cope match-plate pattern that described test piece mould comprises lower bolster and mates with described lower bolster, described lower bolster is provided with for the shaping test piece groove of test piece, and the surrounding of described test piece groove is provided with flash groove; Described flash groove comprises mutual vertically disposed horizontal flash groove and longitudinal flash groove, and described horizontal flash groove is communicated with mutually intersecting between longitudinal flash groove; The width of described flash groove is 2 ~ 8 mm, and the degree of depth of described flash groove is 1.5 ~ 3 mm; Described flash groove all extends to the edge of described lower bolster; The edge of described lower bolster is provided with some die sinking holes, and described die sinking hole is positioned at the periphery of described test piece groove; Described lower bolster is run through in described die sinking hole; Be provided with mould in described die sinking hole and back down mechanism, described mould back down mechanism can under upwards by described cope match-plate pattern jack-up, complete die sinking.
Further, header structure sized by described die sinking hole, the major part in described concentric reducer structure is near the upper surface of described lower bolster, and the microcephaly in described concentric reducer structure is near the lower surface of described lower bolster.
Further, described mould backs down mechanism and comprises the piston be located at push rod in described microcephaly and be located in described major part; The position in the die sinking hole of the corresponding described lower bolster in bottom surface of described cope match-plate pattern offers groove, and the size of described groove is greater than the size of major part in described die sinking hole.
The push rod be located in described microcephaly is soket head cap screw, and described soket head cap screw is provided with external screw thread, and the inwall of described microcephaly is provided with the internal thread mated with described external screw thread; The length of described soket head cap screw is less than or equal to the degree of depth of microcephaly in described die sinking hole.
Further, the cross section of described concentric reducer structure is circular; In described concentric reducer structure, the bore of major part is 8 ~ 24 mm, and in described concentric reducer structure, the bore of microcephaly is 6 ~ 22 mm, and the bore of described major part is greater than the bore of described microcephaly.
Further, in described concentric reducer structure, the bore of major part is 12 ~ 18mm, and in described concentric reducer structure, the bore of microcephaly is 10 ~ 16mm, and the bore of described major part is greater than the bore of described microcephaly.
Further, the width of described flash groove is 4 mm, and the degree of depth of described flash groove is 2 mm.
Further, the shape of cross section of described flash groove can be square, U-shaped, V-type or semicircle.
Further, the lower bolster of described test piece mould is placed with two test piece grooves; The surrounding of each described test piece groove is provided with flash groove; The periphery of each described test piece groove is provided with at least two die sinking holes, and the both sides of described test piece groove are located in described die sinking hole respectively.
The beneficial effects of the utility model are: compared with prior art, the rubber test piece mould that the utility model provides mainly has following 2 advantages: (1) is compared with existing test piece mould, the width of flash groove is set to 2 ~ 8 mm by the test piece mould in the utility model, the degree of depth is set to 1.5 ~ 3 mm, is more than 1 times of existing design; Because test recipe change is more, the proportion of test sample is often uncertain, when the sizing material adopted is more, if the too little too shallow meeting of flash groove causes redundant rubber stock to be not easy to overflow, causes thickness of test piece excessive and the uneven thickness at each position; (2) compared with existing test piece mould, be provided with some die sinking holes in the edge of lower bolster in the test piece mould in the utility model, in die sinking hole, be provided with mould back down mechanism; When test piece sticking to mould is difficult to open, can under upwards by described cope match-plate pattern jack-up, complete die sinking; So both avoid the problem being difficult to die sinking, it also avoid the problem causing cope match-plate pattern surface large area to be scratched when firmly prying open mould.
Accompanying drawing explanation
Structural representation when Fig. 1 is the utility model die sinking.
Structural representation when Fig. 2 is the utility model matched moulds.
Fig. 3 is the profile of A-A ' in Fig. 2.
1-cope match-plate pattern; 2-lower bolster; 3-die sinking hole; 4-test piece groove; The horizontal flash groove of 5-; The longitudinal flash groove of 6-; 7-groove; 8-piston; 9-major part; 10-internal thread; 11-microcephaly; 12-external screw thread; 13-soket head cap screw.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, illustrate the utility model further, following detailed description of the invention should be understood and be only not used in restriction scope of the present utility model for illustration of the utility model.It should be noted that, the word "front", "rear" of use is described below, "left", "right", "up" and "down" refer to direction in accompanying drawing, word " interior " and " outward " refer to the direction towards or away from particular elements geometric center respectively.
As shown in Figure 1, the rubber test piece mould of a kind of easy die sinking, thickness stable and uniform, the cope match-plate pattern 1 that described test piece mould comprises lower bolster 2 and mates with described lower bolster 2, described lower bolster 2 is provided with two for the shaping test piece groove 4 of test piece, and the surrounding of each described test piece groove 4 is provided with flash groove.Described flash groove comprises mutual vertically disposed horizontal flash groove 5 and longitudinal flash groove 6, mutually intersects and be communicated with between described horizontal flash groove 5 with longitudinal flash groove 6.The width of described flash groove (comprising horizontal flash groove 5 and longitudinal flash groove 6) is 4mm, and the degree of depth of described flash groove (comprising horizontal flash groove 5 and longitudinal flash groove 6) is 2mm.Described flash groove all extends to (comprising horizontal flash groove 5 and longitudinal flash groove 6) edge of described lower bolster 2.The shape of cross section of described flash groove (comprising horizontal flash groove 5 and longitudinal flash groove 6) is square.When actual film-making, because test recipe change is more, the proportion of test sample is often uncertain, when the sizing material adopted is more, if the too little too shallow meeting of flash groove causes redundant rubber stock to be not easy to overflow, thus cause thickness of test piece excessive and each position in uneven thickness; The width of the flash groove in the present embodiment and the degree of depth are more than 1 times of existing design; Unnecessary sizing material can be overflowed completely, thus avoid the problems such as the shaping rear thickness of test piece is excessive and in uneven thickness.
The edge of described lower bolster 2 is provided with some die sinking holes 3, and described die sinking hole 3 is positioned at the periphery of described test piece groove 4; Described lower bolster 2 is run through in described die sinking hole 3.Header structure sized by described die sinking hole 3, the major part 9 in described concentric reducer structure is near the upper surface of described lower bolster 2, and the microcephaly 11 in described concentric reducer structure is near the lower surface of described lower bolster 2.The cross section of described concentric reducer structure is circular; In described concentric reducer structure, the bore of major part 9 is 12 ~ 18mm, and in described concentric reducer structure, the bore of microcephaly 11 is 10 ~ 16mm, and the bore of described major part 9 is greater than the bore of described microcephaly 11.
Be provided with mould in described die sinking hole 3 and back down mechanism, described mould back down mechanism can under upwards by described cope match-plate pattern 1 jack-up, complete die sinking.Described mould backs down mechanism and comprises the push rod be located in described microcephaly 11 and the piston 8 be located in described major part 9; The position in the die sinking hole 3 of the corresponding described lower bolster 2 in bottom surface of described cope match-plate pattern 1 offers groove 7, and the size of described groove 7 is greater than the size of major part 9 in described die sinking hole 3.Wherein, the push rod be located in described microcephaly 11 is soket head cap screw 13, and described soket head cap screw 13 is provided with external screw thread 12, and the inwall of described microcephaly 11 is provided with the internal thread 10 mated with described external screw thread 12; The length of described soket head cap screw 13 is less than or equal to the degree of depth of microcephaly 11 in described die sinking hole 3.When test piece sticking to mould is difficult to open, the soket head cap screw 13 described in can directly rotating with die nut, backs down the cope match-plate pattern 1 of mould; So both avoid the problem being difficult to die sinking, it also avoid the problem causing cope match-plate pattern surface large area to be scratched when firmly prying open mould.
During use, sheet rubber is put into the test piece groove 4 of the lower bolster being preheated to set point of temperature, matched moulds, be put in press, first cure is carried out in heating pressurization.In forming process, unnecessary sizing material overflows from described flash groove (comprising horizontal flash groove 5 and longitudinal flash groove 6), obtains the uniform test piece of thickness.When die sinking generation test piece sticking to mould, soket head cap screw 13 described in directly rotating with die nut, external screw thread 12 on soket head cap screw 13 is mutually engaged with the internal thread 10 of major part 9 inwall and described soket head cap screw 13 is moved up, subsequently, soket head cap screw 13 is by described piston 8 upwards jack-up, after described piston 8 embeds the groove 7 of described cope match-plate pattern 1 bottom surface, continue, by described cope match-plate pattern 1 jack-up, to complete die sinking.
The above embodiments are only be described preferred embodiment of the present utility model, not limit design of the present utility model and scope.Under the prerequisite not departing from the utility model design concept, the various modification that this area ordinary person makes the technical solution of the utility model and improvement, all should drop into protection domain of the present utility model.

Claims (9)

1. a rubber test piece mould for easy die sinking, thickness stable and uniform, the cope match-plate pattern that described test piece mould comprises lower bolster and mates with described lower bolster, described lower bolster is provided with for the shaping test piece groove of test piece, and the surrounding of described test piece groove is provided with flash groove; It is characterized in that: described flash groove comprises mutual vertically disposed horizontal flash groove and longitudinal flash groove, described horizontal flash groove is communicated with mutually intersecting between longitudinal flash groove; The width of described flash groove is 2 ~ 8 mm, and the degree of depth of described flash groove is 1.5 ~ 3 mm; Described flash groove all extends to the edge of described lower bolster; The edge of described lower bolster is provided with some die sinking holes, and described die sinking hole is positioned at the periphery of described test piece groove; Described lower bolster is run through in described die sinking hole; Be provided with mould in described die sinking hole and back down mechanism, described mould back down mechanism can under upwards by described cope match-plate pattern jack-up, complete die sinking.
2. the rubber test piece mould of a kind of easy die sinking according to claim 1, thickness stable and uniform, it is characterized in that: header structure sized by described die sinking hole, major part in described concentric reducer structure is near the upper surface of described lower bolster, and the microcephaly in described concentric reducer structure is near the lower surface of described lower bolster.
3. the rubber test piece mould of a kind of easy die sinking according to claim 2, thickness stable and uniform, is characterized in that: described mould backs down mechanism and comprises the push rod be located in described microcephaly and the piston be located in described major part; The position in the die sinking hole of the corresponding described lower bolster in bottom surface of described cope match-plate pattern offers groove, and the size of described groove is greater than the size of major part in described die sinking hole.
4. the rubber test piece mould of a kind of easy die sinking according to claim 3, thickness stable and uniform, it is characterized in that: the push rod be located in described microcephaly is soket head cap screw, described soket head cap screw is provided with external screw thread, and the inwall of described microcephaly is provided with the internal thread mated with described external screw thread; The length of described soket head cap screw is less than or equal to the degree of depth of microcephaly in described die sinking hole.
5. the rubber test piece mould of a kind of easy die sinking according to claim 2, thickness stable and uniform, is characterized in that: the cross section of described concentric reducer structure is for circular; In described concentric reducer structure, the bore of major part is 8 ~ 24 mm, and in described concentric reducer structure, the bore of microcephaly is 6 ~ 22 mm, and the bore of described major part is greater than the bore of described microcephaly.
6. the rubber test piece mould of a kind of easy die sinking according to claim 5, thickness stable and uniform, it is characterized in that: in described concentric reducer structure, the bore of major part is 12 ~ 18mm, in described concentric reducer structure, the bore of microcephaly is 10 ~ 16mm, and the bore of described major part is greater than the bore of described microcephaly.
7. the rubber test piece mould of a kind of easy die sinking according to claim 1, thickness stable and uniform, is characterized in that: the width of described flash groove is 4 mm, and the degree of depth of described flash groove is 2 mm.
8. the rubber test piece mould of a kind of easy die sinking according to claim 1, thickness stable and uniform, is characterized in that: the shape of cross section of described flash groove can be square, U-shaped, V-type or semicircle.
9. the rubber test piece mould of a kind of easy die sinking as claimed in any of claims 1 to 8, thickness stable and uniform, is characterized in that: the lower bolster of described test piece mould is placed with two test piece grooves; The surrounding of each described test piece groove is provided with flash groove; The periphery of each described test piece groove is provided with at least two die sinking holes, and the both sides of described test piece groove are located in described die sinking hole respectively.
CN201520196103.XU 2015-04-02 2015-04-02 The rubber test piece mould of a kind of easy die sinking, thickness stable and uniform Expired - Fee Related CN204525883U (en)

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CN201520196103.XU CN204525883U (en) 2015-04-02 2015-04-02 The rubber test piece mould of a kind of easy die sinking, thickness stable and uniform

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Application Number Priority Date Filing Date Title
CN201520196103.XU CN204525883U (en) 2015-04-02 2015-04-02 The rubber test piece mould of a kind of easy die sinking, thickness stable and uniform

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108972967A (en) * 2018-07-03 2018-12-11 魏贵英 A kind of compression molding mold and its die sinking tool
CN109049526A (en) * 2018-08-09 2018-12-21 芜湖易测自动化设备有限公司 A kind of mold can be convenient disassembly demoulding

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108972967A (en) * 2018-07-03 2018-12-11 魏贵英 A kind of compression molding mold and its die sinking tool
CN108972967B (en) * 2018-07-03 2020-06-12 湖南润德高分子材料有限公司 Flat vulcanization mold and mold opening tool thereof
CN109049526A (en) * 2018-08-09 2018-12-21 芜湖易测自动化设备有限公司 A kind of mold can be convenient disassembly demoulding

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150805

Termination date: 20190402