CN113290766A - Mold for manufacturing waterproof ring and production method of waterproof ring - Google Patents
Mold for manufacturing waterproof ring and production method of waterproof ring Download PDFInfo
- Publication number
- CN113290766A CN113290766A CN202110567277.2A CN202110567277A CN113290766A CN 113290766 A CN113290766 A CN 113290766A CN 202110567277 A CN202110567277 A CN 202110567277A CN 113290766 A CN113290766 A CN 113290766A
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- Prior art keywords
- plate
- waterproof ring
- template
- mold
- molding
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 82
- 238000000465 moulding Methods 0.000 claims abstract description 42
- 238000000034 method Methods 0.000 claims abstract description 17
- 230000006835 compression Effects 0.000 claims abstract description 5
- 238000007906 compression Methods 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims description 20
- 239000002699 waste material Substances 0.000 claims description 20
- 238000003825 pressing Methods 0.000 claims description 13
- 239000003292 glue Substances 0.000 claims description 9
- 238000004513 sizing Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000007723 die pressing method Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 150000001875 compounds Chemical class 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 230000008570 general process Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
Images
Classifications
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
- B29C43/361—Moulds for making articles of definite length, i.e. discrete articles with pressing members independently movable of the parts for opening or closing the mould, e.g. movable pistons
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/34—Feeding the material to the mould or the compression means
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/52—Heating or cooling
Abstract
The invention relates to a mold for manufacturing a waterproof ring, which comprises an upper mold plate and a lower mold plate, wherein an upper middle plate and a lower middle plate are arranged between the upper mold plate and the lower mold plate, the first side surface of the upper middle plate is sunken towards one side of the lower middle plate to form a first material placing cavity, a material feeding hole is formed in the first material placing cavity and penetrates through the first material placing cavity, the second side surface of the lower middle plate is sunken towards one side of the upper middle plate to form a first molding cavity, a molding hole is formed in the first molding cavity, a filling block for filling the first molding cavity is arranged on the lower mold plate, a molding die is arranged on the filling block, and a compression block matched with the first material placing cavity is formed on the upper mold plate; the invention also provides a production method of the waterproof ring. The method and the die can greatly improve the waterproof effect of the waterproof ring.
Description
Technical Field
The invention relates to the technical field of waterproof ring production, in particular to a mold for manufacturing a waterproof ring and a production method of the waterproof ring.
Background
Generally, there are hundreds of types of connectors required for automobiles, and about hundreds of connectors are used for a single vehicle type. Along with the increasing requirements of people on safety, environmental protection, comfort, intellectualization and the like of automobiles, the applications of automobile electronic products are increasing, and the number of applications of the shell structure of the automobile connector is increased. The shell structure of the automobile connector comprises a shell, namely a housing of the shell structure of the automobile connector, wherein the shell comprises a male plug and a female plug which are mutually matched in an inserting way, and the male plug and the female plug provide mechanical protection for an internally installed insulating mounting plate and a contact pin and provide alignment when a plug and a socket are inserted, so that the connector is fixed on equipment. At present, a plurality of connectors are provided with plastic waterproof rings in the use process of male insertion and female insertion, but with the development of automobile manufacturing, higher requirements are provided for the plastic waterproof rings, and the existing plastic waterproof rings often generate waste edges in the actual production process and have the problem of poor waterproof effect caused by uneven density, and the problems exist in the production process for a long time.
Disclosure of Invention
The invention aims to provide a mold for manufacturing a waterproof ring and a production method of the waterproof ring, so as to solve the problem of poor waterproof effect caused by the fact that the waste edge is remained on a product and the density is not uniform.
In order to achieve the purpose, the invention provides the following technical scheme: the mold for manufacturing the waterproof ring is characterized by comprising an upper mold plate and a lower mold plate, wherein an upper middle plate and a lower middle plate are arranged between the upper mold plate and the lower mold plate, a first side surface of the upper middle plate is sunken towards one side of the lower middle plate to form a first material placing cavity, a material feeding hole is formed in the first material placing cavity and penetrates through the first material placing cavity, a second side surface of the lower middle plate is sunken towards one side of the upper middle plate to form a first molding cavity, a molding hole is formed in the first molding cavity, a filling block for filling the first molding cavity is arranged on the lower mold plate, a molding die is arranged on the filling block, and a compression block matched with the first material placing cavity is formed on the upper mold plate.
The invention is further provided with an upper heating plate arranged on one side of the upper template, and a lower heating plate arranged on one side of the lower template.
The invention is further provided that when the forming die enters the material inlet hole, the clearance between the top end of the forming die and the inner diameter of the lower end surface of the material inlet hole is 0mm-0.04mm, wherein the opening of the material inlet side of the material inlet hole is larger than the opening of the material outlet side of the material inlet hole.
The invention also provides a production method of the waterproof ring, which is characterized by comprising the following steps:
s1, preheating the upper template, the middle and lower plates and the upper template to reach the temperature of 180-190 ℃;
s2, filling the first material placing cavity of the middle upper plate with rubber;
s3, fixing the upper template, driving the lower template to drive the middle lower plate and the upper middle plate to move towards one side of the upper template, realizing the connection and fixation of the four plates, and pressing the sizing material in the first material placing cavity by the upper template in a fixed state;
s4-die pressing;
s5-after mould pressing, the lower template retreats, the upper middle plate is separated from the upper template, the lower middle plate is separated from the upper middle plate, the lower middle plate is transferred to a material taking position through a material moving tool, and a formed product is taken out through a material taking device;
s6, taking out the molded product, observing whether the product has the waste edge, and cutting off the waste edge of the product with the waste edge.
S7-processing the waste edge formed on the upper middle plate.
Based on the method, the invention further provides that in the process that the lower template, the middle lower plate and the middle upper plate move towards one side of the upper template, the filling block of the lower template is attached to the first molding cavity of the middle lower plate, the molding die penetrates through the molding hole and then enters the feeding hole, and the pressing block of the upper template enters the first material placing cavity to act on the sizing material.
Based on the method, the invention further provides that in the molding process in the step S4, the pressing block of the upper mold plate acts on the rubber material, so that the rubber material sequentially passes through the feeding hole and the molding hole from the first material placing cavity, and simultaneously fills the feeding hole and the molding hole, and cooperates with the molding die to form the product.
Based on the above method, the present invention further provides that the step of S2 is to fill the rubber compound by injecting liquid rubber compound or placing solid rubber compound.
Based on the method, the invention further provides that the preheating time in the step S1 is 30-45 minutes;
based on the method, the invention is further provided with heating plates for heating the upper template and the lower template, and the heating plates are used for heating the upper template and the lower template;
based on the method, the invention further provides that the structures of the feeding hole, the forming hole and the forming die are selected according to the product.
The invention has the advantages that the lower template, the middle lower plate and the middle upper plate are assembled into a whole and then connected with the upper template, namely the forming die, the feeding hole and the forming hole in the utility model are integrated together firstly, and then the sizing material is extruded by the upper template, so that the sizing material can smoothly enter the forming part of the feeding hole and the forming hole, and the forming die is inserted into the sizing material in the general process, so that the overflow of the sizing material is caused to generate waste edges, the situation that the density of the whole waterproof ring is not uniform is easy to occur, the density of part of the structure is large, the strength is good, the density of other positions is small, the strength is not sufficient, and the waterproof effect is reduced. The method and the die can greatly improve the waterproof effect;
drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is an exploded view of an embodiment of the present invention.
Fig. 2 is a schematic perspective view of an embodiment of the present invention.
Fig. 3 is a cross-sectional view of an embodiment of the present invention.
Reference numeral, 10, an upper template; 20. an upper middle plate; 30. a middle lower plate; 40. a lower template; 50. a first material placing cavity; 60. a feeding hole; 70. a first molding cavity; 80. forming holes; 90. filling blocks; 100. forming a mould; 110. a compression block; 120. an upper heating plate; 130. a lower heating plate;
Detailed Description
Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.
As shown in fig. 1-3, according to the technical scheme of the present invention, the mold for manufacturing the waterproof ring includes an upper mold plate 10 and a lower mold plate 40, an upper middle plate 20 and a lower middle plate 30 are disposed between the upper mold plate 10 and the lower mold plate 40, a first side of the upper middle plate 20 is recessed towards one side of the lower middle plate 30 to form a first material placing cavity 50, a material feeding hole 60 is formed in the first material placing cavity 50, the material feeding hole 60 is disposed through the first material placing cavity 50, a second side of the lower middle plate 30 is recessed towards one side of the upper middle plate 20 to form a first molding cavity 70, a molding hole 80 is formed in the first molding cavity 70, a filling block 90 for filling the first molding cavity 70 is disposed on the lower mold plate 40, a molding die 100 is disposed on the filling block 90, and a pressing block 110 adapted to the first material placing cavity 50 is formed on the upper mold plate 10.
An upper heating plate 120 is further disposed on one side of the upper template 10, a lower heating plate 130 is disposed on one side of the lower template 40, when the forming die 100 enters the material inlet 60, a gap between the top end of the forming die 100 and the inner diameter of the lower end surface of the material inlet 60 is d, wherein d is 0mm-0.04mm, as shown in fig. 3, wherein the opening of the material inlet side of the material inlet 60 is larger than the opening of the material outlet side, and is a tapered hole;
the invention also provides a production method of the waterproof ring, which is characterized by comprising the following steps:
s1, preheating the upper template, the middle and lower plates and the upper template to reach the temperature of 180-190 ℃;
s2, filling the first material placing cavity of the middle upper plate with rubber;
s3, fixing the upper template, driving the lower template to drive the middle lower plate and the upper middle plate to move towards one side of the upper template, realizing the connection and fixation of the four plates, and pressing the sizing material in the first material placing cavity by the upper template in a fixed state;
s4-die pressing;
s5-after mould pressing, the lower template retreats, the upper middle plate is separated from the upper template, the lower middle plate is separated from the upper middle plate, the lower middle plate is transferred to a material taking position through a material moving tool, and a formed product is taken out through a material taking device;
s6, taking out the molded product, observing whether the product has the waste edge, and cutting off the waste edge of the product with the waste edge.
S7-processing the waste edge formed on the upper middle plate.
In the process that the lower template, the middle lower plate and the middle upper plate move towards one side of the upper template, the filling block of the lower template is attached to the first molding cavity of the middle lower plate, the molding die penetrates through the molding hole and then enters the feeding hole, the pressing block of the upper template enters the first material placing cavity and acts on the rubber material, in addition, in the molding process of the step S4, the pressing block of the upper template acts on the rubber material, so that the rubber material sequentially passes through the feeding hole and the molding hole from the first material placing cavity, and simultaneously fills the feeding hole and the molding hole to form a product by matching with the molding die, and the structures of the feeding hole, the molding hole and the molding die are selected according to the product.
The glue filling mode in the step S2 is to inject liquid glue or place solid glue, the preheating time in the step S1 is 30-45 minutes, heating plates for heating the glue are arranged on one side of the upper template and one side of the lower template, and the glue is heated through the heating plates;
according to the invention, the lower template, the middle lower plate and the middle upper plate are assembled into a whole and then connected with the upper template, namely the forming die, the feeding hole and the forming hole are integrated together firstly, and then the rubber material is extruded through the upper template, so that the rubber material can smoothly enter the forming part of the feeding hole and the forming hole, and the forming die is inserted into the rubber material in the general process, so that the overflow of the rubber material is caused to generate waste edges, and the condition that the density of the whole waterproof ring is not uniform enough is easy to occur. The method adopted by the invention can greatly reduce the generation of the waste edges on the product, most of the waste edges are directly remained on the upper middle plate, and the product is formed on the lower middle plate, so that most of the waste edges can be directly removed, the product is separated, and partial operation for removing the waste edges is reduced, and the process is simpler and more convenient.
Certain terms are used throughout the description and claims to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect.
More uses such as 10, top template; 20. an upper middle plate; 30. a middle lower plate; 40. a lower template; 50. a first material placing cavity; 60. a feeding hole; 70. a first molding cavity; 80. forming holes; 90. filling blocks; 100. forming a mould; 110. a compression block; 120. an upper heating plate; 130. lower heating plates and the like, it is noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.
The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The mold for manufacturing the waterproof ring is characterized by comprising an upper mold plate and a lower mold plate, wherein an upper middle plate and a lower middle plate are arranged between the upper mold plate and the lower mold plate, a first side surface of the upper middle plate is sunken towards one side of the lower middle plate to form a first material placing cavity, a material feeding hole is formed in the first material placing cavity and penetrates through the first material placing cavity, a second side surface of the lower middle plate is sunken towards one side of the upper middle plate to form a first molding cavity, a molding hole is formed in the first molding cavity, a filling block for filling the first molding cavity is arranged on the lower mold plate, a molding die is arranged on the filling block, and a compression block matched with the first material placing cavity is formed on the upper mold plate.
2. The mold for manufacturing the waterproof ring according to claim 1, wherein an upper heating plate is further arranged on one side of the upper mold plate, and a lower heating plate is arranged on one side of the lower mold plate.
3. The mold for manufacturing a waterproof ring according to claim 2, wherein when the forming mold enters the material inlet, a gap between a top end of the forming mold and an inner diameter of a lower end face of the material inlet is 0mm to 0.04mm, and an opening on a material inlet side of the material inlet is larger than an opening on a material outlet side of the material inlet.
4. The production method of the waterproof ring is characterized by comprising the following steps:
s1, preheating the upper template, the middle and lower plates and the upper template to reach the temperature of 180-190 ℃;
s2, filling the first material placing cavity of the middle upper plate with rubber;
s3, fixing the upper template, driving the lower template to drive the middle lower plate and the upper middle plate to move towards one side of the upper template, realizing the connection and fixation of the four plates, and pressing the sizing material in the first material placing cavity by the upper template in a fixed state;
s4-die pressing;
s5-after mould pressing, the lower template retreats, the upper middle plate is separated from the upper template, the lower middle plate is separated from the upper middle plate, the lower middle plate is transferred to a material taking position through a material moving tool, and a formed product is taken out through a material taking device;
s6, taking out the molded product, observing whether the product has the waste edge, and cutting off the waste edge of the product with the waste edge.
S7-processing the waste edge formed on the upper middle plate.
5. The production method of the waterproof ring according to claim 4, wherein in the process that the lower template, the middle lower plate and the middle upper plate move towards one side of the upper template, the filling block of the lower template is attached to the first molding cavity of the middle lower plate, the molding die penetrates through the molding hole and then enters the feeding hole, and the pressing block of the upper template enters the first material placing cavity and acts on the sizing material.
6. The method for producing the waterproof ring according to claim 5, wherein in the molding process of the step S4, the pressing block of the upper mold plate acts on the glue material, so that the glue material sequentially passes through the feeding hole and the forming hole from the first material accommodating cavity, and simultaneously fills the feeding hole and the forming hole to form a product in cooperation with the forming mold.
7. The method for producing a waterproof ring according to claim 6, wherein the step S2 is performed by injecting liquid glue or placing solid glue.
8. The method for producing a waterproof ring according to claim 7, wherein the preheating time in the step of S1 is 30 to 45 minutes.
9. The method for producing the waterproof ring according to claim 8, wherein heating plates for heating the waterproof ring are arranged on one side of the upper template and one side of the lower template, and the waterproof ring is heated by the heating plates.
10. The method for producing a waterproof ring according to claim 9, wherein the structures of the material inlet hole, the forming hole and the forming die are selected according to the product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110567277.2A CN113290766A (en) | 2021-05-24 | 2021-05-24 | Mold for manufacturing waterproof ring and production method of waterproof ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110567277.2A CN113290766A (en) | 2021-05-24 | 2021-05-24 | Mold for manufacturing waterproof ring and production method of waterproof ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113290766A true CN113290766A (en) | 2021-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110567277.2A Pending CN113290766A (en) | 2021-05-24 | 2021-05-24 | Mold for manufacturing waterproof ring and production method of waterproof ring |
Country Status (1)
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|---|---|
| CN (1) | CN113290766A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101444945A (en) * | 2007-11-27 | 2009-06-03 | 航天材料及工艺研究所 | Injection molding die for thin-wall thermally vulcanized rubber and process thereof |
| CN207915885U (en) * | 2017-07-19 | 2018-09-28 | 河南机电职业学院 | A kind of wood plastics tray compression moulding die |
| CN210190328U (en) * | 2019-05-24 | 2020-03-27 | 南京发尔多科技有限公司 | Forming die for producing automobile guard ring |
| CN111186063A (en) * | 2020-03-10 | 2020-05-22 | 泉州市勤峰机械制造有限公司 | Automatic rubber hot-press forming machine |
-
2021
- 2021-05-24 CN CN202110567277.2A patent/CN113290766A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101444945A (en) * | 2007-11-27 | 2009-06-03 | 航天材料及工艺研究所 | Injection molding die for thin-wall thermally vulcanized rubber and process thereof |
| CN207915885U (en) * | 2017-07-19 | 2018-09-28 | 河南机电职业学院 | A kind of wood plastics tray compression moulding die |
| CN210190328U (en) * | 2019-05-24 | 2020-03-27 | 南京发尔多科技有限公司 | Forming die for producing automobile guard ring |
| CN111186063A (en) * | 2020-03-10 | 2020-05-22 | 泉州市勤峰机械制造有限公司 | Automatic rubber hot-press forming machine |
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Application publication date: 20210824 |
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| RJ01 | Rejection of invention patent application after publication |