CN219686409U - Forming die of silica gel product - Google Patents
Forming die of silica gel product Download PDFInfo
- Publication number
- CN219686409U CN219686409U CN202321063858.3U CN202321063858U CN219686409U CN 219686409 U CN219686409 U CN 219686409U CN 202321063858 U CN202321063858 U CN 202321063858U CN 219686409 U CN219686409 U CN 219686409U
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- die
- middle plate
- cavity
- upper die
- lower die
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 239000000741 silica gel Substances 0.000 title claims abstract description 29
- 229910002027 silica gel Inorganic materials 0.000 title claims abstract description 29
- 238000000465 moulding Methods 0.000 claims abstract description 34
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 5
- 238000012797 qualification Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- 239000012778 molding material Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a molding die of a silica gel product, which comprises: an upper die provided with an upper die cavity and a first upper die core arranged in the upper die cavity; the middle plate is provided with a first middle plate cavity; the lower die is provided with a lower die cavity and a lower die core arranged in the lower die cavity; the ejector plate is connected with an ejector pin, and the upper end of the ejector pin is connected with the middle plate; after the upper die, the middle plate and the lower die are assembled, the first upper model core extends into the first middle plate cavity from the upper model cavity and is abutted with the lower model core; compared with the prior art, the molding die for the silica gel product does not need a sliding block to slide in the molding process of the suction nozzle, and the functional position of the suction nozzle is free from parting lines by opening the upper die, the middle plate and the lower die up and down, so that the secondary processing measurement of the suction nozzle is avoided, and the production efficiency and the product qualification rate of the injection molding machine are effectively improved.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to a molding mold of a silica gel product.
Background
As shown in fig. 1 and 2, the suction nozzle (01) includes a main body (011), and an upper section (012) and a lower section (013) which are respectively located on the upper and lower sides of the main body (011), wherein the lower section (013) and the upper section (012) are both communicated with a channel on the main body (011), and the lower section (013) is inclined at a regular angle relative to the main body (011). When the mouthpiece (01) is applied to the thermos cup, the lower section (013) is placed in the cup body of the thermos cup, and the upper section (012) is contained in the mouth of the user when the user drinks the water in the thermos cup. Therefore, after the suction nozzle (01) is injection molded, the smoothness of the outer surface of the suction nozzle, particularly the smoothness of the upper section (012), influences the user experience. Because the upper section part (012) of the suction nozzle (01) and the body (011) incline at a regular angle, in order to ensure product molding, the position corresponding to the upper section part (012) of the suction nozzle (01) is made into a sliding block by the existing suction nozzle (01) injection mold, and when a molded product is manufactured, the two sides of the sliding block are driven by a driving mechanism to slide, so that the molded product is completely separated from the mold. According to the injection mold, although a required suction nozzle (01) product can be obtained, after the suction nozzle (01) is molded, a parting line is formed at a position corresponding to the two sliding blocks after the suction nozzle (01) is clamped, the parting line is troublesome to process, secondary processing is required to be carried out on each suction nozzle (01) to process the parting line, the manual operation production efficiency is low, the functional use of the suction nozzle (01) is affected by the quality of the parting line processing, and the qualification rate of the suction nozzle (01) is low.
Disclosure of Invention
The utility model aims to provide a molding die for a silica gel product, which is used for solving the technical problems.
A molding die for a silicone article, comprising:
an upper die provided with an upper die cavity and a first upper die core arranged in the upper die cavity;
the middle plate is provided with a first middle plate cavity;
the lower die is provided with a lower die cavity and a lower die core arranged in the lower die cavity;
the ejector plate is connected with an ejector pin, and the upper end of the ejector pin is connected with the middle plate;
after the upper die, the middle plate and the lower die are assembled, the first upper die core extends into the first middle plate cavity from the upper die cavity and is in butt joint with the lower die core.
According to one embodiment of the utility model, the upper die is further provided with a second upper die core, the middle plate is provided with a second middle plate cavity, the second middle plate cavity penetrates through the middle plate, and the second upper die core stretches into the second middle plate cavity after the upper die and the middle plate are clamped.
According to one embodiment of the utility model, the lower die cavity is internally provided with the avoiding hole, and the second upper die core penetrates through the second middle plate cavity to extend into the avoiding hole after the upper die and the middle plate are clamped.
According to an embodiment of the present utility model, the inner dimension of the relief hole is adapted to the dimension of the portion in which the second upper mold core is placed, and closely fits the second upper mold core when the second upper mold core is placed therein.
According to one embodiment of the utility model, a first compression spring is arranged between the upper die and the middle plate.
According to one embodiment of the utility model, the upper die is provided with a pressure spring mounting hole, the first pressure spring is arranged on the middle plate, and when the upper die and the middle plate are matched, the first pressure spring is arranged in the pressure spring mounting hole and compressed.
According to one embodiment of the utility model, the lower die is connected with a first guide post, and the first guide post penetrates through the middle plate and the upper die.
According to one embodiment of the utility model, the device further comprises a bottom plate, wherein the bottom plate is connected with a second guide post, and the second guide post penetrates through the ejector plate and is connected with the lower die.
According to one embodiment of the utility model, the ejector pin plate comprises a lower die and a lower die, and is characterized by further comprising a bottom plate, wherein a third guide post is connected to the bottom plate and penetrates through the ejector pin plate to be connected with the lower die, and a second pressure spring positioned between the lower die and the ejector pin plate is sleeved on the third guide post.
Compared with the prior art, the molding die of the silica gel product has the following advantages:
according to the molding die for the silica gel product, the sliding block is not required to slide in the molding process of the suction nozzle, and the upper die, the middle plate and the lower die are opened up and down, so that the functional position of the suction nozzle has no parting line, the secondary processing measurement of the suction nozzle is avoided, and the production efficiency and the product qualification rate of the injection molding machine are effectively improved.
Drawings
FIG. 1 is a schematic view of a suction nozzle;
FIG. 2 is a cross-sectional view of a suction nozzle;
FIG. 3 is a schematic structural view of a molding die of the silica gel product of the utility model;
FIG. 4 is a top view of a molding die for a silicone article of the present utility model;
FIG. 5 is a cross-sectional view taken along the direction A-A in FIG. 4;
FIG. 6 is a cross-sectional view taken along the direction B-B in FIG. 4;
in the figure: 1. upper die, 11, first upper die core, 12, second upper die core, 2, middle plate, 3, lower die, 31, lower die core, 4, ejector plate, 41, ejector pin, 5, first compression spring, 6, first guide post, 7, bottom plate, 8, second guide post, 9, third guide post, 10, second compression spring, 01, suction nozzle, 011, body, 012, upper section, 013, lower section, 014, air hole
The implementation and advantages of the functions of the present utility model will be further described with reference to the accompanying drawings.
Detailed Description
Various embodiments of the utility model are disclosed in the following drawings, in which details of the practice are set forth in the following description for the purpose of clarity. However, it should be understood that these practical details are not to be taken as limiting the utility model. That is, in some embodiments of the utility model, these practical details are unnecessary. Moreover, for the purpose of simplifying the drawings, some conventional structures and components are shown in the drawings in a simplified schematic manner.
It should be noted that all directional indicators (such as up, down, left and right, front and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the utility model solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
For a further understanding of the nature, features, and efficacy of the present utility model, the following examples are set forth in order to provide a further understanding of the utility model, and are intended to be described in connection with the accompanying drawings:
the utility model discloses a molding die of a silica gel product, referring to fig. 3 to 6, the molding die of the silica gel product disclosed by the utility model comprises an upper die 1, a middle plate 2, a lower die 3 and an ejector pin plate 4, wherein an upper die cavity and a first upper die core 11 arranged in the upper die cavity are arranged on the upper die 1, a first middle plate cavity is arranged on the middle plate 2, a lower die cavity and a lower die core 31 arranged in the lower die cavity are arranged on the lower die 3, an ejector pin 41 is connected on the ejector pin plate 4, and the upper end of the ejector pin 41 is connected with the middle plate 2; after the upper die 1, the middle plate 2 and the lower die 3 are assembled, the first upper mold core 11 extends into the first middle plate cavity from the upper mold cavity and is abutted against the lower mold core 31. According to the molding die for the silica gel product, when the die is opened, the injection molding machine drives the upper die 1 to move up and down, so that the upper die 1 is separated from the middle plate 2, the upper die 1 moves upwards relative to the middle plate 2, the first upper die core 11 leaves a middle plate cavity, meanwhile, the part of the suction nozzle 01 positioned in the upper die cavity is separated from the upper die, then the injection molding machine drives the ejector plate 4 to move upwards, the ejector pin 41 jacks up the middle plate 2, the middle plate 2 moves upwards relative to the lower die 3, the part of the suction nozzle 01 positioned in the lower die cavity is separated from the lower die, meanwhile, the lower die core 31 leaves the suction nozzle 01, and then the suction nozzle 01 is taken off from the middle plate 2, so that the suction nozzle 01 for injection molding can be obtained. The molding die of the silica gel product does not need a sliding block, has a die structure simpler than the traditional die structure, solves the problem of a functional position parting line of the suction nozzle 01, and has high production efficiency and convenient operation.
Referring to fig. 1, 2 and 6, in specific application, an upper mold cavity on an upper mold 1 is adapted to a lower section 013 of a suction nozzle 01 and an upper surface of a body 011, a first middle plate cavity is adapted to the body 011 of the suction nozzle 01, a lower mold cavity is adapted to an upper section 012 of the suction nozzle 01 and a joint of the upper section 012 and the body 011, after the upper mold 1, the middle plate 2 and the lower mold 3 are assembled, the upper mold cavity, the first middle plate cavity and the lower mold cavity are communicated with each other and are adapted to an outer contour of the suction nozzle 01, a first upper mold core 11 is in contact with a lower mold core 31, the first upper mold core 11 is adapted to an inner structure of the lower section 013 of the suction nozzle 01 and an inner structure of the body 011, and the lower mold core 31 is adapted to an inner structure of the lower section 013 of the suction nozzle 01. When the mold is opened, the injection molding machine drives the upper mold 1 to move upwards, the lower section 013 of the injection molded suction nozzle 01 is separated from the upper mold cavity, and simultaneously the first upper mold core 11 is separated from the body 011 and the lower section 013 of the suction nozzle 01; then the injection molding machine jacks up the ejector plate 4, the ejector plate 4 moves upwards, the ejector 41 jacks up the middle plate 2, the middle plate 2 moves upwards relative to the lower die 3, the upper section 012 of the suction nozzle 01 leaves the lower die cavity, the lower die core 31 is separated from the upper section 012 of the suction nozzle 01, finally a user pulls the suction nozzle 01 from the upper side of the middle plate 2, and the suction nozzle 01 is removed from the middle plate 2, so that the suction nozzle 01 formed by injection molding can be obtained. Since the slider is not used, no parting line is generated in the upper part 012 of the suction nozzle 01, and the quality of the suction nozzle 01 can be ensured.
Referring to fig. 6, in the molding mold for a silica gel product of the present utility model, a second upper mold core 12 is further disposed on the upper mold 1, a second middle plate cavity is disposed on the middle plate 2, the second middle plate cavity penetrates through the middle plate 2, and after the upper mold 1 and the middle plate 2 are assembled, the second upper mold core 12 extends into the second middle plate cavity. Referring to fig. 1 and 2, when the suction nozzle 01 is applied to the thermos cup, in order to balance the internal and external air pressure of the thermos cup, an air hole 014 is usually disposed on the suction nozzle 01, which communicates with the internal and external of the thermos cup, and the second upper mold core 12 and the second middle mold cavity are matched with each other during injection molding of the suction nozzle 01 to form an air hole 014 on the body 011 of the suction nozzle 01.
Referring to fig. 6, in the molding mold for the silica gel product of the present utility model, the lower mold cavity is provided with the avoiding hole, and after the upper mold 1 and the middle plate 2 are closed, the second upper mold core 12 passes through the second middle plate cavity and extends into the avoiding hole. The length of the second upper mold core 12 is greater than the depth of the second middle plate cavity, a through hole can be formed, in order to avoid blocking of one end of the through hole, an avoidance hole is formed in the lower mold cavity, after the upper mold 1 and the middle plate 2 are assembled, the second upper mold core 12 penetrates through the second middle plate cavity and stretches into the avoidance hole, when the upper mold 1 and the middle plate 2 are opened, the second upper mold core 12 leaves away from the avoidance hole and the second middle plate cavity, and an air hole 014 penetrating through a body 011 of the suction nozzle 01 is formed in the body 011 of the suction nozzle 01.
The inner dimension of the avoiding hole of the molding die for the silica gel product is matched with the dimension of the part in which the second upper model core 12 is arranged, and the forming die is tightly attached to the second upper model core 12 when the second upper model core 12 is arranged. After the injection molding material enters the second middle plate cavity, the second upper mold core 12 is tightly attached to the avoidance hole, so that the injection molding material cannot enter the avoidance hole, and the formed air holes 014 can be ensured to be through holes.
Referring to fig. 5, in the molding mold for a silica gel product of the present utility model, a first compression spring 5 is disposed between the upper mold 1 and the middle plate 2. After the upper die 1 and the middle plate 2 are clamped, the first pressure spring 5 is compressed, and when the die is opened, the first pressure spring 5 resets and jacks up the upper die 1, so that the upper die 1 and the middle plate 2 are opened first, and the lower section 013 of the suction nozzle 01 is separated from the upper die cavity of the upper die 1.
Referring to fig. 5, in the molding die for a silica gel product of the present utility model, a compression spring mounting hole is formed in an upper die 1, a first compression spring 5 is disposed on a middle plate 2, and when the upper die 1 and the middle plate 2 are clamped, the first compression spring 5 is disposed in the compression spring mounting hole and compressed. The first pressure spring 5 is fixed on the middle plate 2, when the upper die 1 and the middle plate 5 are opened, the first pressure spring 5 is withdrawn from a pressure spring mounting hole on the upper die 1, and when the upper die 1 and the middle plate 5 are closed, the first pressure spring 5 stretches into the pressure spring mounting hole and is compressed, so that after the opposite surfaces of the upper die 1 and the middle plate 5 are closed, no gap exists between the two surfaces.
Referring to fig. 5, in the molding mold of the silica gel product of the present utility model, the lower mold 3 is connected with a first guide post 6, and the first guide post 6 penetrates through the middle plate 2 and the upper mold 1. When the upper die 1, the middle plate 2 and the lower die 3 are clamped, the upper die 1 and the middle plate 2 slide along the first guide post 6, so that the upper die 1, the middle plate 2 and the lower die 3 can be accurately clamped.
Referring to fig. 6, the molding mold of the silica gel product of the present utility model further includes a bottom plate 7, a second guide post 8 is connected to the bottom plate 7, and the second guide post 8 passes through the ejector plate 4 to be connected to the lower mold 3. When the injection molding machine drives the ejector plate 4 to move, the ejector plate 4 slides along the second guide post 8, so that the moving linearity of the ejector plate 4 can be ensured.
Referring to fig. 3 and 6, a third guide post 9 is connected to a bottom plate 7 of a molding die of the silica gel product of the present utility model, the third guide post 9 passes through the ejector plate 4 to be connected to the lower die 3, and a second compression spring 10 is sleeved on the third guide post 9 and located between the lower die 3 and the ejector plate 4. When the injection molding machine drives the ejector plate 4 to move upwards, the ejector plate 4 approaches the lower die 3, the second pressure spring 10 is compressed between the ejector plate 4 and the lower die 3, after the lower die 3 and the middle plate 2 are opened, and after the suction nozzle 01 is taken down from the middle plate 2 by a user, the injection molding machine does not apply force to the ejector plate 4, the second pressure spring 10 resets and presses the ejector plate 4 downwards, so that the ejector plate 4 moves downwards and drives the middle plate 2 to reset.
According to the molding die for the silica gel product, a sliding block is not required to slide in the molding process of the suction nozzle 01, and through opening the upper die 1, the middle plate 2 and the lower die 3 up and down, the functional position of the suction nozzle 01 has no parting line, so that secondary processing measurement of the suction nozzle 01 is avoided, and the production efficiency and the product qualification rate of an injection molding machine are effectively improved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the utility model.
Claims (9)
1. A molding die for a silicone product, comprising:
an upper die (1) provided with an upper die cavity and a first upper die core (11) arranged in the upper die cavity;
the middle plate (2) is provided with a first middle plate cavity;
a lower die (3) provided with a lower die cavity and a lower die core (31) arranged in the lower die cavity;
the ejector plate (4) is connected with an ejector pin (41), and the upper end of the ejector pin (41) is connected with the middle plate (2);
after the upper die (1), the middle plate (2) and the lower die (3) are clamped, the first upper die core (11) extends into the first middle plate cavity from the upper die cavity and is abutted to the lower die core (31).
2. The molding die of a silica gel product according to claim 1, wherein a second upper die core (12) is further arranged on the upper die (1), a second middle plate cavity is arranged on the middle plate (2), the second middle plate cavity penetrates through the middle plate (2), and after the upper die (1) and the middle plate (2) are clamped, the second upper die core (12) stretches into the second middle plate cavity.
3. The molding die of the silica gel product according to claim 2, wherein an avoidance hole is formed in the lower die cavity, and the second upper die core (12) penetrates through the second middle plate cavity to extend into the avoidance hole after the upper die (1) and the middle plate (2) are clamped.
4. A mould according to claim 3, characterized in that the internal dimensions of the relief holes are adapted to the dimensions of the portion in which the second upper mould core (12) is placed and to closely fit the second upper mould core (12) when the second upper mould core (12) is placed therein.
5. The molding die of the silica gel product according to claim 1, wherein a first compression spring (5) is arranged between the upper die (1) and the middle plate (2).
6. The molding die of the silica gel product according to claim 5, wherein the upper die (1) is provided with a pressure spring mounting hole, the first pressure spring (5) is arranged on the middle plate (2), and when the upper die (1) and the middle plate (2) are clamped, the first pressure spring (5) is arranged in the pressure spring mounting hole and compressed.
7. The molding die of the silica gel product according to claim 1, wherein a first guide pillar (6) is connected to the lower die (3), and the first guide pillar (6) penetrates through the middle plate (2) and the upper die (1).
8. The molding die of the silica gel product according to claim 1, further comprising a bottom plate (7), wherein a second guide post (8) is connected to the bottom plate (7), and the second guide post (8) passes through the ejector plate (4) and is connected with the lower die (3).
9. The molding die of the silica gel product according to claim 1, further comprising a bottom plate (7), wherein a third guide post (9) is connected to the bottom plate (7), the third guide post (9) passes through the ejector plate (4) and is connected with the lower die (3), and a second compression spring (10) positioned between the lower die (3) and the ejector plate (4) is sleeved on the third guide post (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321063858.3U CN219686409U (en) | 2023-05-06 | 2023-05-06 | Forming die of silica gel product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321063858.3U CN219686409U (en) | 2023-05-06 | 2023-05-06 | Forming die of silica gel product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219686409U true CN219686409U (en) | 2023-09-15 |
Family
ID=87961587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321063858.3U Active CN219686409U (en) | 2023-05-06 | 2023-05-06 | Forming die of silica gel product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219686409U (en) |
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2023
- 2023-05-06 CN CN202321063858.3U patent/CN219686409U/en active Active
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