CN109465990B - Improved exposed framework sealing ring mold - Google Patents

Improved exposed framework sealing ring mold Download PDF

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Publication number
CN109465990B
CN109465990B CN201811425585.6A CN201811425585A CN109465990B CN 109465990 B CN109465990 B CN 109465990B CN 201811425585 A CN201811425585 A CN 201811425585A CN 109465990 B CN109465990 B CN 109465990B
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China
Prior art keywords
die
mold
lower die
upper die
injection plug
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CN201811425585.6A
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Chinese (zh)
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CN109465990A (en
Inventor
孙卫华
陈增宝
凌毅
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Anhui Cooper Sealing Technology Co ltd
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Anhui Cooper Sealing Technology Co ltd
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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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/30—Mounting, exchanging or centering
    • B29C33/303—Mounting, exchanging or centering centering mould parts or halves, e.g. during mounting
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/12—Moulds or cores; Details thereof or accessories therefor with incorporated means for positioning inserts, e.g. labels
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/30—Mounting, exchanging or centering
    • B29C33/308—Adjustable moulds
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/002—Component parts, details or accessories; Auxiliary operations

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Thermal Sciences (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Closures For Containers (AREA)

Abstract

The invention discloses an improved exposed framework sealing ring mold which comprises a lower mold, a middle mold, an upper mold, an injection plug, an elastic piece and a lower mold insert, wherein the middle mold is arranged on the outer side of the lower mold, the lower mold insert is arranged on the inner side of the lower mold, the upper mold is arranged on the top surface of the middle mold, the lower mold, the middle mold, the upper mold and the lower mold insert form a single mold cavity, the injection plug is positioned above the upper mold and positioned through the upper mold and the lower mold insert, and the elastic piece is arranged between the injection plug and the upper mold and used for transmitting the pressure of the injection plug on the upper mold. The single die cavity of the invention can be adjusted by the disc spring, thereby ensuring that the product does not overflow glue or lack materials.

Description

Improved exposed framework sealing ring mold
Technical Field
The invention relates to the technical field of dies, in particular to an improved exposed framework sealing ring die.
Background
The exposed framework sealing ring mold in the prior art is provided with an upper mold, a lower mold, a middle mold, an injection plug and a lower mold insert, wherein the mold structure is a material cup type transmission injection structure, the upper mold and the injection plug of the mold are opened firstly during production, a framework is placed in a middle mold cavity, a sizing material forming part is placed in an upper mold material cup after the upper mold is closed, the injection plug is closed and then pressurized and vulcanized, a single mold cavity cannot be automatically adjusted during production, and if the heights of the frameworks are inconsistent, the heights of the molds and the unevenness of the templates can cause glue overflow or material shortage of products. The existing die structure has very high requirements on the thickness consistency of the framework, and the produced product is easy to lack materials and overflow glue when the thickness consistency of the framework is not good.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides an improved exposed framework sealing ring die.
The invention provides an improved exposed framework sealing ring mold which comprises a lower mold, a middle mold, an upper mold, an injection plug, an elastic piece and a lower mold insert, wherein the middle mold is fixedly connected with the lower mold;
the middle die is arranged on the outer side of the lower die, the lower die insert is arranged on the inner side of the lower die, the upper die is arranged on the top surface of the middle die, and the lower die, the middle die, the upper die and the lower die insert form a single die cavity;
the injection plug is positioned above the upper die and positioned by the upper die insert and the lower die insert, and the elastic piece is arranged between the injection plug and the upper die and used for transmitting the pressure of the injection plug on the upper die.
As a further optimized scheme of the invention, the outer side of the lower die is provided with a first step surface and an outer cutting surface, the bottom surface of the middle die is abutted against the first step surface, and the inner side surface of the middle die is abutted against the outer cutting surface.
As a further optimized scheme of the invention, the outer cutting surface is provided with an inclined cutting surface which is obliquely arranged from bottom to top inwards, a horizontally arranged supporting step surface and a vertical cutting surface, wherein the supporting step surface is connected with the inclined cutting surface and the vertical cutting surface;
the inner side surface is provided with a first inner side surface, a horizontally arranged inner side step surface and a vertically arranged third inner side surface, wherein the first inner side surface is arranged in an inward inclining manner from bottom to top;
the inner side step surface is abutted against the supporting step surface, the third inner side surface corresponds to the vertical cutting surface and forms a gap, and the upper half part of the first inner side surface is abutted against the oblique cutting surface.
As a further optimized scheme of the invention, the inner side of the lower die is provided with a second step surface and an inner cutting surface, the bottom surface of the lower die insert is abutted against the second step surface, and the outer side surface of the lower die insert is abutted against the inner cutting surface.
As a further optimized scheme of the invention, a boss is arranged on the top surface of the middle die, a groove is arranged on the bottom surface of the upper die, and the groove is matched with the boss.
As a further optimized scheme of the invention, the cross sections of the lug bosses and the grooves are trapezoidal.
As a further optimized scheme of the invention, the upper die is provided with a ring groove, and the elastic piece is arranged in the ring groove.
As a further optimized scheme of the invention, the elastic piece is a disc spring.
As a further optimized scheme of the invention, an annular space is formed between the upper die insert and the lower die insert, and the lower half part of the injection plug is arranged in the annular space.
As a further optimized scheme of the invention, the upper die is provided with a positioning piece, the injection plug is provided with a positioning groove, and the positioning groove is matched with the positioning piece.
According to the improved exposed framework sealing ring die, the elastic piece is arranged between the upper die and the injection plug, when downward pressure is applied to the injection plug, the elastic force of the elastic piece can distribute the pressure on different positions on the upper die according to actual conditions, so that the shape of the single die cavity is adjusted, the outer wall of the single die cavity is tightly attached to the framework, and the phenomenon that glue is not overflowed or materials are not lacked of a product is avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the exposed framework sealing ring of the invention.
Detailed Description
As shown in fig. 1-2, an improved exposed framework sealing ring mold is characterized in that: comprises a lower die 1, a middle die 2, an upper die 3, an injection plug 4, an elastic piece 5 and a lower die insert 6;
the middle die 2 is arranged on the outer side of the lower die 1, the lower die insert 6 is arranged on the inner side of the lower die 1, the upper die is arranged on the top surface of the middle die 2, the lower die 1, the middle die 2, the upper die 3 and the lower die insert 6 form a single die cavity 7, the single die cavity 7 is provided with a middle die cavity and a die core, the middle die cavity is used for placing a framework 11, and the die core is used for placing a sizing material formed piece;
the injection plug 4 is positioned above the upper die 3 and is positioned by the upper die 3 and the lower die insert 6, the elastic piece 5 is a disc spring, the upper die 3 is provided with a ring groove 10, the disc spring 5 is arranged in the ring groove 10, and the elastic piece 5 is arranged between the injection plug 4 and the upper die 3 and is used for transmitting the pressure of the injection plug 4 to the upper die 3;
the outer side of the lower die 1 is provided with a first step surface 1a and an outer cutting surface 1b, the bottom surface 2a of the middle die 2 is abutted against the first step surface 1a, and the inner side surface 2b of the middle die 2 is abutted against the outer cutting surface 1 b;
the external cutting surface 1b is provided with a bevel cutting surface 1b3 which is obliquely arranged inwards from bottom to top, a horizontally arranged supporting step surface 1b2 and a vertical cutting surface 1b1, wherein the supporting step surface 1b2 is connected with the bevel cutting surface 1b3 and the vertical cutting surface 1b 1;
the inner side surface 2b is provided with a first inner side surface 2b3 which is obliquely arranged inwards from bottom to top, a horizontally arranged inner side step surface 2b2 and a vertically arranged third inner side surface 2b1, and the inner side step surface 2b2 is connected with the first inner side surface 2b3 and the third inner side surface 2b 1;
the inner side step surface 2b2 abuts against the support step surface 1b2, the third inner side surface 2b1 corresponds to the vertical cutting surface 1b1 and forms a gap, and the upper half part of the first inner side surface 2b3 abuts against the oblique cutting surface 1b 3;
the inner side of the lower die 1 is provided with a second step surface 1c and an inner cutting surface 1d, the bottom surface 6a of the lower die insert 6 is abutted against the second step surface 1c, and the outer side surface 6b of the lower die insert 6 is abutted against the inner cutting surface 1 d;
the top surface 2c of the middle die 2 is provided with a boss 8, the bottom surface 3a of the upper die 3 is provided with a groove 9, the groove 9 is matched with the boss 8, and the cross sections of the boss 8 and the groove 9 are trapezoidal.
An annular space is formed between the upper die 3 and the lower die insert 6, and the lower half part of the injection plug 4 is arranged in the annular space.
The upper die 3 is provided with a positioning piece 13, the injection plug 4 is provided with a positioning groove 40, and the positioning groove 40 is matched with the positioning piece 13.
This embodiment is in the course of working of processing sealing washer: opening the upper die, placing a framework in the cavity of the middle die, placing a sizing material forming piece on the die core of the lower die insert, closing the upper die, pressurizing and vulcanizing, adding a disc spring between the upper die and the injection plug, and simultaneously, the upper die and the injection plug are an assembly whole and the injection plug can freely slide on the upper die; no matter the frameworks are not consistent in height, the dies are not consistent in height, the templates are not equal, each single die cavity can be freely adjusted through the disc spring, and the fact that glue overflow or material shortage of products is avoided is guaranteed.
In the preferred embodiment, the lower first step surface 1a and the outer cutting surface 1b are arranged on the outer side of the lower die 1, the bottom surface 2a of the middle die 2 abuts against the first step surface 1a, and the inner side surface 2b of the middle die 2 abuts against the outer cutting surface 1b, so that the middle die 2 is convenient to mount.
Preferably, in the present embodiment, the outer cutting surface 1b has a obliquely cut cutting surface 1b3, a horizontally cut support step surface 1b2, and a vertically cut vertical cutting surface 1b1, wherein the support step surface 1b2 connects the obliquely cut surface 1b3 and the vertical cutting surface 1b 1;
the inner side surface 2b has a first inner side surface 2b3 obliquely arranged, a horizontally arranged inner step surface 2b2 and a vertically arranged third inner side surface 2b1, and the inner step surface 2b2 connects the first inner side surface 2b3 and the third inner side surface 2b 1;
the inner side step surface 2b2 abuts against the supporting step surface 1b2, and the third inner side surface 2b1 corresponds to the vertical cutting surface 1b1 and forms a gap; the upper half part of the first inner side surface 2b3 abuts against the inclined cutting surface 1b3, so that the middle mold 2 is convenient to position and mount, the single-mold cavity is convenient to adjust, and glue overflow or material shortage is avoided.
In this embodiment, preferably, the inner side of the lower die 1 has a second step surface 1c and an inner cutting surface 1d, the bottom 6a of the lower die insert 6 abuts against the second step surface 1c, and the outer side surface 6b of the lower die insert 6 abuts against the inner cutting surface 1d, so that the lower die insert 6 is conveniently mounted and positioned.
In this embodiment, preferably, the middle top surface 2c is provided with a boss 8, and the upper bottom surface 3a is provided with a groove 9 matched with the boss 8, so as to facilitate positioning of the upper die 3.
In the present embodiment, it is preferable that the boss 8 and the groove 9 have a trapezoidal cross section.
In this embodiment, preferably, the upper mold 3 is provided with a ring groove 10, and the elastic member 5 is disposed in the ring groove 10, so as to facilitate installation of the elastic member 5 and place the elastic member 5 to move circumferentially on the upper mold 3.
In the preferred embodiment, the elastic member 5 is a disc spring, which is easy to install and low in cost.
In the preferred embodiment, an annular space is formed between the upper die 3 and the lower die insert 6, and the lower half part of the injection plug 4 is arranged in the annular space, so that the injection plug 4 can be conveniently positioned.
In the preferred embodiment, the upper die 3 is provided with the positioning part 13, the injection plug 4 is provided with the positioning groove 40, and the positioning groove 40 is matched with the positioning part 13, so that the upper die 3, the injection plug 4 and the elastic part 5 form a whole, the disassembly and the assembly are convenient, and the processing efficiency is increased.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (7)

1. The utility model provides an improved generation exposes skeleton seal ring mould which characterized in that: comprises a lower die (1), a middle die (2), an upper die (3), an injection plug (4), an elastic piece (5) and a lower die insert (6);
the middle die (2) is arranged on the outer side of the lower die (1), the lower die insert (6) is arranged on the inner side of the lower die (1), the upper die is arranged on the top surface of the middle die (2), and the lower die (1), the middle die (2), the upper die (3) and the lower die insert (6) form a single die cavity (7);
the injection plug (4) is positioned above the upper die (3) and is positioned by the upper die (3) and the lower die insert (6), and the elastic piece (5) is arranged between the injection plug (4) and the upper die (3) and is used for transmitting the pressure of the injection plug (4) to the upper die (3);
the outer side of the lower die (1) is provided with a first step surface (1a) and an outer cutting surface (1b), the bottom surface (2a) of the middle die (2) is abutted against the first step surface (1a), and the inner side surface (2b) of the middle die (2) is abutted against the outer cutting surface (1 b);
the outer cutting surface (1b) is provided with a slant cutting surface (1b3) which is obliquely arranged inwards from bottom to top, a horizontally arranged supporting step surface (1b2) and a vertical cutting surface (1b1), wherein the supporting step surface (1b2) is connected with the slant cutting surface (1b3) and the vertical cutting surface (1b 1);
the inner side surface (2b) is provided with a first inner side surface (2b3) which is obliquely arranged inwards from bottom to top, a horizontally arranged inner side step surface (2b2) and a vertically arranged third inner side surface (2b1), and the inner side step surface (2b2) is connected with the first inner side surface (2b3) and the third inner side surface (2b 1);
the inner side step surface (2b2) abuts against the supporting step surface (1b2), the third inner side surface (2b1) corresponds to the vertical cutting surface (1b1) and forms a gap, and the upper half part of the first inner side surface (2b3) abuts against the inclined cutting surface (1b 3);
the inner side of the lower die (1) is provided with a second step surface (1c) and an inner cutting surface (1d), the bottom surface (6a) of the lower die insert (6) is abutted against the second step surface (1c), and the outer side surface (6b) of the lower die insert (6) is abutted against the inner cutting surface (1 d).
2. The improved exposed framework seal ring mold of claim 1, wherein: a boss (8) is arranged on the top surface (2c) of the middle die (2), a groove (9) is arranged on the bottom surface (3a) of the upper die (3), and the groove (9) is matched with the boss (8).
3. The improved exposed framework seal ring mold of claim 2, wherein: the cross sections of the lug boss (8) and the groove (9) are trapezoidal.
4. The improved exposed framework seal ring mold of claim 1, wherein: the upper die (3) is provided with a ring groove (10), and the elastic piece (5) is arranged in the ring groove (10).
5. The improved exposed framework seal ring mold of claim 1, wherein: the elastic piece (5) is a disc spring.
6. The improved exposed framework seal ring mold of claim 1, wherein: an annular space is formed between the upper die (3) and the lower die insert (6), and the lower half part of the injection plug (4) is arranged in the annular space.
7. The improved exposed framework seal ring mold of claim 6, wherein: the upper die (3) is provided with a positioning piece (13), the injection plug (4) is provided with a positioning groove (40), and the positioning groove (40) is matched with the positioning piece (13).
CN201811425585.6A 2018-11-27 2018-11-27 Improved exposed framework sealing ring mold Active CN109465990B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811425585.6A CN109465990B (en) 2018-11-27 2018-11-27 Improved exposed framework sealing ring mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811425585.6A CN109465990B (en) 2018-11-27 2018-11-27 Improved exposed framework sealing ring mold

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CN109465990A CN109465990A (en) 2019-03-15
CN109465990B true CN109465990B (en) 2021-09-10

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112476950B (en) * 2020-11-20 2022-04-12 安徽中鼎智能科技有限公司 Automobile ceiling damping cover balancing weight rubber mold
CN113246348B (en) * 2021-06-29 2022-11-11 哈尔滨利民橡胶有限公司 BCS piston compression molding rubber mold

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1557623A (en) * 2004-01-18 2004-12-29 蒋迎峰 Dishing spring type press mould
CN2677145Y (en) * 2004-01-18 2005-02-09 蒋迎峰 Disk spring type extrusion mould
CN103737862A (en) * 2013-12-27 2014-04-23 哈尔滨东安实业发展有限公司 Half-exposed framework half-packaged rubber oil seal die and sealing method
CN104057560A (en) * 2014-06-20 2014-09-24 宁国市瑞普密封件有限公司 Novel air conditioning fan rubber shaft core mould

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206374092U (en) * 2017-01-13 2017-08-04 东莞市瑞拓五金橡塑有限公司 Special-shaped skeleton rubber seal sulfurizing mould

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1557623A (en) * 2004-01-18 2004-12-29 蒋迎峰 Dishing spring type press mould
CN2677145Y (en) * 2004-01-18 2005-02-09 蒋迎峰 Disk spring type extrusion mould
CN103737862A (en) * 2013-12-27 2014-04-23 哈尔滨东安实业发展有限公司 Half-exposed framework half-packaged rubber oil seal die and sealing method
CN104057560A (en) * 2014-06-20 2014-09-24 宁国市瑞普密封件有限公司 Novel air conditioning fan rubber shaft core mould

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