CN219006828U - Rubber gasket production mould convenient to drawing of patterns - Google Patents
Rubber gasket production mould convenient to drawing of patterns Download PDFInfo
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- CN219006828U CN219006828U CN202222879393.0U CN202222879393U CN219006828U CN 219006828 U CN219006828 U CN 219006828U CN 202222879393 U CN202222879393 U CN 202222879393U CN 219006828 U CN219006828 U CN 219006828U
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- plate
- die shell
- molding die
- rubber gasket
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 238000001746 injection moulding Methods 0.000 claims abstract description 116
- 238000002347 injection Methods 0.000 claims abstract description 27
- 239000007924 injection Substances 0.000 claims abstract description 27
- 238000001816 cooling Methods 0.000 claims description 26
- 238000009413 insulation Methods 0.000 claims description 7
- 239000002994 raw material Substances 0.000 abstract description 8
- 229920001169 thermoplastic Polymers 0.000 abstract description 8
- 239000004416 thermosoftening plastic Substances 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000000465 moulding Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 238000012856 packing Methods 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a rubber gasket production mould convenient for demoulding, which relates to the technical field of moulds and comprises an upper injection mould shell and a lower injection mould shell; the upper injection molding die shell is arranged above the lower injection molding die shell in a matching way, and a plurality of injection molding cavities are formed in the lower injection molding die shell; a plurality of through holes are formed around the bottom side of the injection cavity, and ejector pins are movably connected in the through holes; when the injection molding device is used, the upper injection molding die shell and the lower injection molding die shell are closed, the sliding column moves downwards against the ejector rod provided with the sliding plate while being closed, the sliding plate pulls the pulling plate to slide downwards through the connecting bolt, and the ejector pin seals the through hole in the injection molding cavity; injecting thermoplastic raw materials into the upper injection molding die shell by using an injection molding machine, then injecting the thermoplastic raw materials into an injection molding cavity from an upper injection molding head, and forming along a gap between the upper injection molding head and the injection molding cavity; therefore, injection molding of the rubber gasket is completed, a plurality of rubber gaskets are injected and molded for a single time, and the production efficiency in unit time is high.
Description
Technical Field
The utility model particularly relates to the technical field of dies, in particular to a rubber gasket production die convenient for demolding.
Background
The die is a tool used for obtaining a required product by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping, stretching and other methods in industrial production. With the rapid development of high polymer materials, rubber molds are closely related to the life of people, and according to various different requirements.
Chinese patent publication No. CN 208148341U discloses a rubber circle injection moulding system, including rubber circle mould and injection molding machine, the rubber circle mould includes the shaping mold core, the die cavity has been seted up in the shaping mold core, and the material buffer chamber of open-top and communicating with the die cavity through feed channel is seted up at shaping mold core top, the material buffer intracavity is provided with the clamp plate with material buffer chamber sealing sliding connection, the clamp plate passes through the extension spring and is connected with material buffer chamber bottom, the discharge gate of injection molding machine passes through injection molding channel and material buffer chamber intercommunication.
The rubber ring injection molding system in the patent has the advantages that the number of rubber washers formed by single injection molding is small when the system is used, and the system does not have a rapid molding function; and the die is quite inconvenient to take after injection molding; at present, some manufacturers purge the injection molded rubber gasket by using wind sprayed by a wind gun, but for taking the mold of a multi-mold cavity, purging one by one is needed, and the condition of blowing off often occurs, so that the working efficiency is low; therefore, the die can mold a plurality of rubber gaskets at one time and has the function of automatically ejecting the rubber gaskets.
Disclosure of Invention
The utility model aims to provide a rubber gasket production mould convenient for demoulding, which solves the problems that the rubber gasket injection molding system provided in the background art has fewer rubber gaskets for single injection molding and does not have a rapid molding function when in use; and the die is quite inconvenient to take after injection molding; at present, some manufacturers purge the injection molded rubber gasket by using wind sprayed by a wind gun, but the multi-cavity mold taking needs to purge one by one, and the technical problem of low working efficiency is frequently caused by the condition of blowing off.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a rubber gasket production mould convenient for demoulding comprises an upper injection mould shell and a lower injection mould shell; the upper injection molding die shell is arranged above the lower injection molding die shell in a matching way, and a plurality of injection molding cavities are formed in the lower injection molding die shell; a plurality of through holes are formed in the periphery of the bottom side of the injection molding cavity, and ejector pins are movably connected in the through holes; the lower end of the thimble is fixed on the pulling plate; the four corners of the top of the pulling plate are provided with stretching springs, and two ends of each stretching spring are respectively welded with the pulling plate and the fixing plate;
the bottom of the upper injection molding die shell is in threaded connection with a plurality of upper injection molding heads, and a fixing frame is arranged outside the injection molding heads; the upper injection molding heads are in one-to-one correspondence with the injection molding cavities.
As a further technical scheme of the utility model, a cooling plate is arranged below the lower injection molding die shell through bolts; the cooling plate is fixed on the bottom plate, and positioning sleeves connected with the fixing plate are connected at four corners of the bottom plate through bolts.
As a further technical scheme of the utility model, the thimble sequentially penetrates through the fixing plate, the bottom plate, the cooling plate and the lower injection molding die shell from bottom to top and is in sliding connection; the fixing plate is embedded and fixed on the base.
As a further technical scheme of the utility model, the extension spring is sleeved outside the limit post, and the top of the limit post is arranged at the bottom of the fixed plate through a countersunk bolt.
As a further technical scheme of the utility model, the bottom of the pulling plate is connected with a sliding plate through a connecting bolt; the periphery of the sliding plate is welded with a push rod, and the upper end of the push rod extends into the positioning sleeve; a sliding column is also arranged in the positioning sleeve; and the sliding columns are welded at four corners of the bottom of the upper injection molding die shell.
As a further technical scheme of the utility model, the longitudinal section of the through hole formed at the bottom side of the injection cavity is arranged in a T shape; the thimble is T-shaped, and the thimble is connected with the through hole in a sliding fit way.
As a further technical scheme of the utility model, the top of the upper injection molding die shell is connected with an insulation board through bolts, and an injection molding opening is embedded in the middle position of the insulation board.
Compared with the prior art, the utility model has the beneficial effects that:
1. when the injection molding device is used, the upper injection molding die shell and the lower injection molding die shell are closed, the sliding column is propped against the ejector rod provided with the sliding plate to move downwards while being closed, the sliding plate pulls the pulling plate to slide downwards through the connecting bolt, and the ejector pin seals the through hole in the injection molding cavity; injecting thermoplastic raw materials into the upper injection molding die shell by using an injection molding machine, then injecting the thermoplastic raw materials into an injection molding cavity from an upper injection molding head, and forming along a gap between the upper injection molding head and the injection molding cavity; thereby completing the injection molding of the rubber gasket, realizing the single injection molding of a plurality of rubber gaskets, and having high production efficiency in unit time;
2. according to the utility model, the cooling plate is internally provided with the water cooling circulation channel and is connected with the water cooling system, and after injection molding is finished, the injection molded rubber gasket is cooled through water cooling, so that the cooling and molding speed of the rubber gasket is increased;
3. according to the utility model, when the mold is opened, the upper injection molding mold shell moves upwards, the upper injection molding head is separated from the injection molding cavity in the lower injection molding mold shell, meanwhile, the tension spring pulls the pulling plate upwards according to the self elasticity, the sliding plate drives the thimble to move upwards, and the thimble ejects the rubber gasket in the injection molding cavity, so that the automatic demolding of the rubber gasket is realized;
4. according to the utility model, the extension spring is sleeved outside the limiting column, and the top of the limiting column is arranged at the bottom of the fixing plate through the countersunk head bolt, so that the travel of the thimble can be limited when the extension spring pulls up the pulling plate, and the situation that the rubber gasket is ejected out due to excessive displacement of the thimble is avoided.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic view of the underside of fig. 1 in the present utility model.
Fig. 3 is a schematic plan view of the structure of fig. 1 in the present utility model.
FIG. 4 is a schematic view showing the matching state of the injection cavity and the ejector pin in the utility model.
In the figure: the device comprises a heat insulation plate, a 2-injection port, a 3-upper injection mold shell, a 4-fixing frame, a 5-upper injection head, a 6-lower injection mold shell, a 7-injection cavity, an 8-cooling plate, a 9-bottom plate, a 10-fixing plate, an 11-base, a 12-limit column, a 13-extension spring, a 14-pulling plate, a 15-sliding plate, a 16-connecting bolt, a 17-ejector rod, an 18-ejector pin, a 19-sliding column and a 20-positioning sleeve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, in an embodiment of the present utility model, a rubber gasket production mold for facilitating demolding includes an upper injection mold shell 3 and a lower injection mold shell 6; the upper injection molding die shell 3 is arranged above the lower injection molding die shell 6 in a matching way, and a plurality of injection molding cavities 7 are formed in the lower injection molding die shell 6; a plurality of through holes are formed around the bottom side of the injection cavity 7, and ejector pins 18 are movably connected in the through holes; the lower end of the thimble 18 is fixed on the pulling plate 14; the four corners of the top of the pulling plate 14 are provided with the stretching springs 13, and two ends of the stretching springs 13 are respectively welded with the pulling plate 14 and the fixing plate 10;
the bottom of the upper injection molding die shell 3 is connected with a plurality of upper injection molding heads 5 in a threaded manner, and a fixing frame 4 is arranged outside the injection molding heads 5; the upper injection heads 5 are in one-to-one correspondence with the injection cavities 7.
Specifically, a cooling plate 8 is arranged below the lower injection molding die shell 6 through bolts; the cooling plate 8 is fixed on the bottom plate 9, and positioning sleeves 20 connected with the fixing plate 10 are connected at four corners of the bottom plate 9 through bolts.
By adopting the technical scheme, when the injection molding device is used, the upper injection molding die shell 3 and the lower injection molding die shell 6 are closed, the sliding column 19 moves downwards against the ejector rod 17 provided with the sliding plate 15 while being closed, the sliding plate 15 pulls the pulling plate 14 to slide downwards through the connecting bolt 16, and the ejector pin 18 seals the through hole in the injection molding cavity 7; subsequently injecting thermoplastic raw materials into the upper injection molding die shell 3 by using an injection molding machine, and then injecting the thermoplastic raw materials into the injection molding cavity 7 from the upper injection molding head 5, and forming along a gap between the upper injection molding head 5 and the injection molding cavity 7; therefore, injection molding of the rubber gasket is completed, a plurality of rubber gaskets are injected and molded for a single time, and the production efficiency in unit time is high.
In the embodiment, the ejector pins 18 sequentially penetrate through the fixing plate 10, the bottom plate 9, the cooling plate 8 and the lower injection molding die shell 6 from bottom to top and are in sliding connection; the fixing plate 10 is embedded and fixed on the base 11.
By adopting the technical scheme, the ejector pins 18 can slide freely relative to the fixed plate 10, the bottom plate 9, the cooling plate 8 and the lower injection molding die shell 6, so that the rubber gasket can be ejected conveniently.
Furthermore, since the cooling plate 8 is internally provided with a water cooling circulation channel and is connected with a water cooling system, after injection molding is finished, the injection molded rubber gasket is cooled by water cooling, so that the cooling and molding speed of the rubber gasket is increased.
In this embodiment, the extension spring 13 is sleeved outside the limiting post 12, and the top of the limiting post 12 is mounted at the bottom of the fixing plate 10 through a countersunk bolt.
Through adopting above-mentioned technical scheme, because extension spring 13 cup joints in the outside of spacing post 12, and the top of spacing post 12 passes through countersunk bolt to be installed in fixed plate 10 bottom, when extension spring 13 will pull up the board 14, can play spacingly to the stroke of thimble 18, avoid the excessive displacement of thimble 18 to lead to the condition that the rubber packing ring is ejecting to appear.
In this embodiment, the bottom of the pulling plate 14 is connected with a sliding plate 15 through a connecting bolt 16; the periphery of the sliding plate 15 is welded with a push rod 17, and the upper end of the push rod 17 extends into the positioning sleeve 20; a sliding column 19 is also arranged in the positioning sleeve 20; the sliding columns 19 are welded at four corners of the bottom of the upper injection molding die shell 3.
Specifically, the longitudinal section of the through hole formed at the bottom side of the injection cavity 7 is T-shaped; the thimble 18 is arranged in a T shape, and the thimble 18 is connected with the through hole in a sliding fit manner; the top of the upper injection molding die shell 3 is connected with an insulation board 1 through bolts, and an injection molding opening 2 is embedded in the middle position of the insulation board 1.
Through adopting above-mentioned technical scheme, when the mould is opened, go up the mould shell 3 of moulding plastics and upwards remove, go up the mould plastics head 5 and the mould plastics chamber 7 separation in the mould shell 6 of moulding plastics down, simultaneously, extension spring 13 will pull up pulling plate 14 according to self elasticity, and sliding plate 15 drives thimble 18 and upwards moves, and the thimble 18 is ejecting the rubber packing ring in the mould plastics chamber 7 to the automatic drawing of patterns of rubber packing ring has been realized.
The working principle of the utility model is as follows: when the injection molding device is used, the upper injection molding die shell 3 and the lower injection molding die shell 6 are closed, the sliding column 19 moves downwards against the ejector rod 17 provided with the sliding plate 15 while being closed, the sliding plate 15 pulls the pulling plate 14 to slide downwards through the connecting bolt 16, and the ejector pin 18 seals the through hole in the injection molding cavity 7; subsequently injecting thermoplastic raw materials into the upper injection molding die shell 3 by using an injection molding machine, and then injecting the thermoplastic raw materials into the injection molding cavity 7 from the upper injection molding head 5, and forming along a gap between the upper injection molding head 5 and the injection molding cavity 7; thereby completing the injection molding of the rubber gasket, realizing the single injection molding of a plurality of rubber gaskets, and having high production efficiency in unit time;
the cooling plate 8 is internally provided with a water cooling circulation channel and is connected with a water cooling system, and after injection molding is finished, the injection molded rubber gasket is cooled through water cooling, so that the cooling and molding speed of the rubber gasket is increased;
when the die is opened, the upper injection molding die shell 3 moves upwards, the upper injection molding head 5 is separated from the injection molding cavity 7 in the lower injection molding die shell 6, meanwhile, the pulling plate 14 is pulled upwards by the stretching spring 13 according to the self elasticity, the thimble 18 is driven to move upwards by the sliding plate 15, and the rubber gasket in the injection molding cavity 7 is ejected out by the thimble 18, so that the automatic demolding of the rubber gasket is realized;
because extension spring 13 cup joints in the outside of spacing post 12, and the top of spacing post 12 passes through countersunk head bolt to be installed in fixed plate 10 bottom, when extension spring 13 will pull up the board 14, can play spacingly to the stroke of thimble 18, avoid the excessive displacement of thimble 18 to lead to the condition that the rubber packing ring is ejecting to appear.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. Rubber gasket production mould convenient to drawing of patterns, its characterized in that: comprises an upper injection mould shell (3) and a lower injection mould shell (6); the upper injection molding die shell (3) is arranged above the lower injection molding die shell (6) in a matching way, and a plurality of injection molding cavities (7) are formed in the lower injection molding die shell (6); a plurality of through holes are formed around the bottom side of the injection cavity (7), and ejector pins (18) are movably connected in the through holes; the lower end of the thimble (18) is fixed on the pulling plate (14); the four corners of the top of the pulling plate (14) are provided with stretching springs (13), and two ends of each stretching spring (13) are welded with the pulling plate (14) and the fixing plate (10) respectively;
the bottom of the upper injection molding die shell (3) is in threaded connection with a plurality of upper injection molding heads (5), and a fixing frame (4) is arranged outside the injection molding heads (5); the upper injection molding heads (5) are in one-to-one correspondence with the injection molding cavities (7).
2. The rubber gasket manufacturing mold for facilitating demolding according to claim 1, wherein: a cooling plate (8) is arranged below the lower injection molding die shell (6) through bolts; the cooling plate (8) is fixed on the bottom plate (9), and four corners of the bottom plate (9) are connected with positioning sleeves (20) connected with the fixing plate (10) through bolts.
3. The rubber gasket manufacturing mold for facilitating demolding according to claim 2, wherein: the ejector pins (18) sequentially penetrate through the fixing plate (10), the bottom plate (9), the cooling plate (8) and the lower injection molding die shell (6) from bottom to top and are connected in a sliding manner; the fixing plate (10) is embedded and fixed on the base (11).
4. The rubber gasket manufacturing mold for facilitating demolding according to claim 1, wherein: the extension spring (13) is sleeved outside the limit column (12), and the top of the limit column (12) is arranged at the bottom of the fixed plate (10) through a countersunk bolt.
5. A rubber gasket production mold facilitating demolding as claimed in claim 3, wherein: the bottom of the pulling plate (14) is connected with a sliding plate (15) through a connecting bolt (16); the periphery of the sliding plate (15) is welded with a push rod (17), and the upper end of the push rod (17) extends into the positioning sleeve (20); a sliding column (19) is also arranged in the positioning sleeve (20); and the sliding columns (19) are welded at four corners of the bottom of the upper injection molding die shell (3).
6. The rubber gasket manufacturing mold for facilitating demolding according to claim 1, wherein: the longitudinal section of the through hole formed at the bottom side of the injection cavity (7) is T-shaped; the thimble (18) is arranged in a T shape, and the thimble (18) is connected with the through hole in a sliding fit manner.
7. The rubber gasket manufacturing mold for facilitating demolding according to claim 1, wherein: the top of the upper injection molding mould shell (3) is connected with an insulation board (1) through bolts, and an injection molding opening (2) is embedded in the middle position of the insulation board (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222879393.0U CN219006828U (en) | 2022-10-31 | 2022-10-31 | Rubber gasket production mould convenient to drawing of patterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222879393.0U CN219006828U (en) | 2022-10-31 | 2022-10-31 | Rubber gasket production mould convenient to drawing of patterns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219006828U true CN219006828U (en) | 2023-05-12 |
Family
ID=86268845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222879393.0U Active CN219006828U (en) | 2022-10-31 | 2022-10-31 | Rubber gasket production mould convenient to drawing of patterns |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219006828U (en) |
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2022
- 2022-10-31 CN CN202222879393.0U patent/CN219006828U/en active Active
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