CN214773670U - Injection mold with high sealing degree - Google Patents
Injection mold with high sealing degree Download PDFInfo
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- CN214773670U CN214773670U CN202120993677.5U CN202120993677U CN214773670U CN 214773670 U CN214773670 U CN 214773670U CN 202120993677 U CN202120993677 U CN 202120993677U CN 214773670 U CN214773670 U CN 214773670U
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Abstract
The utility model provides an injection mold with high sealing degree, which comprises an upper mold and a lower mold, wherein the upper mold is provided with an upper mold cavity, the lower mold is provided with a lower mold cavity, and the upper mold and the lower mold form a complete injection mold cavity after butt joint matching; a first sealing groove and a second sealing groove are formed in the bottom wall of the upper die, a first sealing insert block and a second sealing insert block are arranged on the top wall of the lower die, and the first sealing insert block and the second sealing insert block are respectively opposite to the first sealing groove and the second sealing groove and are consistent in size; the top wall of the upper die is provided with a material injection pipe orifice and an observation pipe orifice which are communicated with the upper die cavity; the first sealing groove and the second sealing groove are arranged around the injection molding die cavity in a closed manner; the observation tube opening is a transparent tube. The utility model discloses an injection mould is sealed effectual when using, sets up transparent viewing aperture and can observe the filling state of moulding plastics under the situation of guaranteeing to ventilate, guarantees to mould plastics to fill completely, facilitates the use.
Description
Technical Field
The utility model belongs to the technical field of injection mold, especially, relate to an injection mold that seals stifled height.
Background
Injection molding is a process used to mass produce parts of some complex shapes. Specifically, a material melted by heating is injected into a mold cavity of an injection mold from high pressure, and a formed product is obtained after cooling and solidification.
The main reason for the problems is that the existing injection mold is provided with a corresponding vacuumizing device which is communicated to the mold cavity and is used for discharging gas in the mold cavity in time, but when the mold cavity is vacuumized, the phenomenon that the material is pumped out and whether the mold cavity is filled sufficiently cannot be judged can occur.
SUMMERY OF THE UTILITY MODEL
The to-be-solved problem of the utility model is to provide a sealed stifled high injection mold, the utility model discloses an injection mold is sealed effectual when using, sets up transparent viewing aperture and can observe the filling state of moulding plastics under the situation of guaranteeing to ventilate, guarantees to mould plastics to fill completely, facilitates the use.
In order to solve the technical problem, the utility model discloses a technical scheme is: an injection mold with high sealing degree comprises an upper mold and a lower mold, wherein the upper mold is provided with an upper mold cavity, the lower mold is provided with a lower mold cavity, and the upper mold and the lower mold are butted and matched to form a complete injection mold cavity; a first sealing groove and a second sealing groove are formed in the bottom wall of the upper die, a first sealing insert block and a second sealing insert block are arranged on the top wall of the lower die, and the first sealing insert block and the second sealing insert block are respectively opposite to the first sealing groove and the second sealing groove and are consistent in size;
the top wall of the upper die is provided with a material injection pipe orifice and an observation pipe orifice, and the material injection pipe orifice and the observation pipe orifice are communicated with the upper die cavity;
the first sealing groove and the second sealing groove are arranged around the injection molding die cavity in a closed manner; the observation pipe orifice is a transparent pipe.
In the technical scheme, the first sealing groove and the second sealing groove are arranged in a closed mode around the injection molding die cavity, and the first sealing insert block and the second sealing insert block are used for inserting and sealing, so that the periphery of the injection molding die cavity is sealed without dead corners, and the two layers of sealing are overlapped for use, so that the sealing effect can be improved; in addition, the transparent observation port communicated with the injection mold cavity can ensure that air in the injection mold cavity is normally discharged during injection molding, can observe the injection molding sufficient amount in the injection mold cavity, can stop injection molding for cooling molding when materials enter the observation port, and can ensure the shape reliability of a final product.
Furthermore, the first sealing groove is positioned at the inner side of the second sealing groove, and the groove depths of the first sealing groove and the second sealing groove are respectively the same as the heights of the first sealing insert block and the second sealing insert block; the first sealing insert block and the second sealing insert block are both made of sealing rubber.
In this technical scheme, sealed effect can be guaranteed in this design for grafting department is seamless, thereby avoids moulding plastics the liquid and permeates.
Further, the inside cavity of last mould is formed with the cooling chamber, be provided with last inlet for water and last delivery port on the last mould, last inlet for water and last delivery port all are linked together with last cooling chamber, and go up the upside that the delivery port is located the inlet for water.
Further, the inside cavity of bed die is formed with lower cooling chamber, be provided with water inlet and lower delivery port down on the bed die, water inlet and lower delivery port all are linked together with lower cooling chamber down, and the delivery port is located the upside of water inlet down.
Furthermore, the upper cooling cavity is located on the outer side of the upper die cavity and coats the upper die cavity, and the lower cooling cavity is located on the outer side of the lower die cavity and coats the lower die cavity.
In this technical scheme, set up cooling chamber and lower cooling chamber respectively in last mould and bed die and come the cladding die cavity of moulding plastics, be convenient for to go up cooling chamber and down the interior cooling medium that dashes into of cooling chamber in order to cool off the material of injection mould intracavity, make its cooling shaping for shaping speed.
Further, the device comprises a die assembly mechanism, wherein the die assembly mechanism comprises a bottom plate, two groups of guide rods and two lifting cylinders, the two groups of guide rods are arranged relatively, each group is provided with two guide rods and is fixed at the four corners of the bottom plate respectively, one lifting cylinder is fixedly arranged between every two groups of guide rods, a welding plate is fixedly connected to the end part of a piston rod of each lifting cylinder, and a limiting plate is fixed to the top of each guide rod through threads.
Furthermore, an upper connecting plate is fixedly arranged at the top of the upper die, the material injection pipe orifice and the observation pipe orifice penetrate through the upper connecting plate, four through holes are formed in four corners of the upper connecting plate, and the four guide rods penetrate through the four through holes respectively.
Further, a lower connecting plate is fixedly arranged on the bottom wall of the lower die, a fixing hole is formed in the lower connecting plate, a fixing threaded hole is formed in the bottom plate, and the lower line connecting plate penetrates through the fixing hole through a bolt and is in threaded fixing with the fixing threaded hole; the upper die cavity and the lower die cavity are arranged oppositely, and the first sealing groove and the second sealing groove are arranged oppositely to the first sealing insert block and the second sealing insert block respectively.
Further, the welding plate is welded and fixed with the upper connecting plate.
In this technical scheme, set up the locking mechanism who uses with last mould and bed die cooperation, wherein with bed die fixed mounting on the bottom plate, and use the guide arm to carry on spacingly with last mould, guarantee to go up the vertical removal of mould when the compound die to guarantee that the compound die pinpoints, thereby raise the efficiency.
The utility model has the advantages and positive effects that:
1. the utility model discloses in set up first seal groove and the second seal groove around the closed setting of injection mold cavity and use first sealed inserted block and the sealed inserted block of second to insert to close and form sealedly, can guarantee to seal effectually, the seal structure of closed setting can not have the dead angle to seal in addition to improve sealed effect. In addition, the transparent observation pipe orifice communicated with the injection molding cavity is arranged, so that exhaust and observation of whether injection molding is filled can be performed during injection molding, exhaust can be performed without vacuumizing, the complete injection molding condition can be observed at any time, and the use is convenient.
2. The utility model discloses a be provided with respectively in last mould and the bed die and cool off the chamber and be used for cooling off the liquid of moulding plastics in the injection mould intracavity with lower cooling chamber, the cooling shaping of being convenient for improves production efficiency.
3. The utility model discloses be equipped with the matched locking mechanism who uses of last mould and bed die, wherein use the guide arm to carry on the mould spacing on going up, can guarantee when carrying out the compound die with last mould and bed die, the location is accurate, and the mould is just setting up, the normal use of being convenient for all the time about guaranteeing.
Drawings
FIG. 1 is a split view of an injection mold with high sealing performance according to the present invention;
FIG. 2 is a schematic view of a combination structure of an injection mold with high sealing performance;
FIG. 3 is a sectional view of an injection mold with high sealing performance according to the present invention;
FIG. 4 is a bottom view of the upper mold of the injection mold with high sealing performance of the present invention;
FIG. 5 is a cross-sectional view A-A of FIG. 4;
FIG. 6 is a schematic structural view of a lower mold of an injection mold with high sealing performance according to the present invention;
FIG. 7 is a cross-sectional view of a lower mold of an injection mold with high sealing performance according to the present invention;
FIG. 8 is a schematic view of an injection mold with high sealing performance according to the present invention;
in the figure:
1-upper die, 11-first sealing groove, 12-second sealing groove, 13-material injection pipe orifice, 14-observation pipe orifice, 15-upper cooling cavity, 16-upper water inlet and 17-upper water outlet;
2-lower mould, 21-first sealing insert, 22-second sealing insert, 23-lower cooling cavity, 24-lower water inlet, 25-lower water outlet;
3-injection mold cavity, 31-upper mold cavity, 32-lower mold cavity;
4-a die clamping mechanism, 41-a bottom plate, 42-a guide rod, 43-a lifting cylinder, 44-a welding plate and 45-a limiting plate;
5-upper connecting plate, 51-through hole;
6-lower connecting plate, 61-fixing hole; 7-bolt.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
Example (b):
as shown in fig. 1 and fig. 3, the present embodiment provides an injection mold with high sealing performance, which includes an upper mold 1 and a lower mold 2, wherein the upper mold 1 has an upper mold cavity 31, the lower mold 2 has a lower mold cavity 32, and the upper mold 1 and the lower mold 2 are butted and matched to form a complete injection mold cavity 3; the injection molding die cavity 3 is used for containing injection molding materials and is cooled and molded according to the shape of the injection molding die cavity to form a target shape;
a first sealing groove 11 and a second sealing groove 12 are formed in the bottom wall of the upper die 1, a first sealing insert block 21 and a second sealing insert block 22 are arranged on the top wall of the lower die 2, and the first sealing insert block 21 and the second sealing insert block 22 are respectively opposite to the first sealing groove 11 and the second sealing groove 12 and are consistent in size; the first sealing insert 21 is inserted into the first sealing groove 11 to form a first sealing layer, the second sealing insert 22 is inserted into the second sealing groove 12 to form a second sealing layer, and the two sealing layers tightly seal the butted injection molding cavity 3, so that liquid leakage and seepage cannot be guaranteed in the using process;
the top wall of the upper die 1 is provided with a material injection pipe orifice 13 and an observation pipe orifice 14, and the material injection pipe orifice 13 and the observation pipe orifice 14 are both communicated with the upper die cavity 31; the injection molding die comprises an injection material pipe orifice 13, an observation pipe orifice 14, a transparent pipe 14 and an observation pipe orifice, wherein the injection material pipe orifice 13 is used for performing injection molding on the injection molding die cavity 3, the observation pipe orifice 14 is arranged to facilitate discharging of air inside during injection molding, whether the injection molding is completely finished or not can be observed, when injection molding materials enter the observation pipe orifice 14, namely the injection molding die cavity 3 is completely filled, the injection molding is stopped, and cooling molding is required;
the first sealing groove 11 and the second sealing groove 12 are arranged around the injection mold cavity 3 in a closed manner; the viewing tube orifice 14 is a transparent tube. The first sealing groove 11 and the second sealing groove 12 are arranged around the injection mold cavity 3 in a closed manner, so that dead-angle-free sealing of the injection mold cavity 3 can be realized, and the sealing effect is ensured.
In the present embodiment, referring to fig. 3 to 5 together, the first seal groove 11 is located inside the second seal groove 12, and the groove depths of the first seal groove 11 and the second seal groove 12 are the same as the heights of the first seal insert 21 and the second seal insert 22, respectively; the first seal insert 21 and the second seal insert 22 are made of a sealing rubber. The first sealing insertion block 21 and the second sealing insertion block 22 are made of sealing rubber, the shapes and the sizes of the first sealing insertion block 21 and the second sealing insertion block 22 are respectively the same as those of the first sealing groove 11 and the second sealing groove 12, seamless sealing is convenient to achieve, and therefore the sealing effect after final insertion is good.
In this embodiment, referring to fig. 5, an upper cooling cavity 15 is formed in the upper mold 1, an upper water inlet 16 and an upper water outlet 17 are provided on the upper mold 1, the upper water inlet 16 and the upper water outlet 17 are both communicated with the upper cooling cavity 15, and the upper water outlet 17 is located on the upper side of the upper water inlet 16. Set up cooling chamber 15, thereby let in cooling medium by last inlet port 16 and discharge by last delivery port 17 and form the circulation in last cooling chamber 15, be convenient for cool off the material of the last mould cavity 31 part of the cavity 3 of will moulding plastics to improve the fashioned efficiency of cooling.
In this embodiment, referring to fig. 6 and 7, a lower cooling cavity 23 is formed in the lower mold 2, a lower water inlet 24 and a lower water outlet 25 are provided on the lower mold 2, the lower water inlet 24 and the lower water outlet 25 are both communicated with the lower cooling cavity 23, and the lower water outlet 25 is located on the upper side of the lower water inlet 24. The lower cooling cavity 23 is arranged, and cooling medium is introduced from the lower water inlet 24 and discharged from the lower water outlet 25, so that circulation is formed in the lower cooling cavity 23, materials in the lower die cavity 32 of the injection molding cavity 3 can be cooled, and the cooling molding efficiency is improved.
In the present embodiment, the upper cooling chamber 15 is located outside the upper cavity 31 and covers the upper cavity 31, and the lower cooling chamber 23 is located outside the lower cavity 32 and covers the lower cavity 32. Go up cooling chamber 15 and 23 injection mold chambeies 3 of lower cooling chamber and wrap up, can evenly cool off injection mold chamber 3 from top to bottom, can guarantee the refrigerated degree of consistency, and improve the speed of cooling shaping.
In this embodiment, referring to fig. 1 to 3, the device further includes a mold clamping mechanism 4, where the mold clamping mechanism 4 includes a bottom plate 41, two sets of guide rods 42 and two lifting cylinders 43, the two sets of guide rods 42 are disposed oppositely, and each set is fixed at four corners of the bottom plate 41, one lifting cylinder 43 is fixedly disposed between each set of guide rods 42, a welding plate 44 is fixedly connected to an end of a piston rod of each lifting cylinder 43, and a limiting plate 45 is fixed to a top thread of each guide rod 42. The bottom plate 41 is used for fixedly mounting the lower die 2, so as to fix the position of the lower die 2; the guide rod 42 is used for limiting the upper die 1 and ensuring that the upper die 1 moves along the guide rod 42 when being closed, so that the upper die 1 and the lower die 2 are arranged oppositely to ensure accurate closing; the lifting cylinder 43 is used for supporting the upper die 1 to carry out up-and-down die assembly; the limiting plate 45 is disposed on the top of the guide rod 42 for limiting the upper limit of the movement of the upper mold 1.
In this embodiment, the top of the upper mold 1 is fixedly provided with an upper connecting plate 5, the injecting pipe opening 13 and the observing pipe opening 14 are arranged to penetrate through the upper connecting plate 5, four through holes 51 are arranged at four corners of the upper connecting plate 5, and four guide rods 42 are arranged to penetrate through the four through holes 51 respectively. Set up upper junction plate 5 and through-hole 51, guide arm 42 runs through-hole 51, and four guide arms carry on spacingly with the position of going up mould 1 for go up mould 1 and can only reciprocate along guide arm 2, thereby prevent compound die in-process offset, guarantee the accuracy.
In this embodiment, a lower connecting plate 6 is fixedly arranged on the bottom wall of the lower die 2, a fixing hole 61 is arranged on the lower connecting plate 6, a fixing threaded hole is formed in the bottom plate 41, and the lower wire connecting plate 6 penetrates through the fixing hole 61 through a bolt 7 and is fixed with the fixing threaded hole in a threaded manner; the upper die cavity 31 and the lower die cavity 32 are arranged oppositely, and the first sealing groove 11 and the second sealing groove 12 are respectively arranged oppositely with the first sealing insert 21 and the second sealing insert 22. The lower die 2 is fixedly installed with the bottom plate 41 through the bolts 7, and the position of the lower die 2 is fixed, so that the upper die 1 and the lower die 2 are arranged just opposite to each other, and accurate butt joint is guaranteed during die assembly.
Wherein, the welding plate 44 is welded and fixed with the upper connecting plate 5. The welding fixation enables the connection between the two to be firmer, so that the normal use is facilitated.
The utility model discloses an injection mold is when using:
when the sealing device is used, as shown in fig. 3 and 8, the lifting cylinder 43 is started to drive the upper die 1 to move downwards, so that the upper die 1 is butted with the lower die 2, and meanwhile, the first sealing insert block 21 and the second sealing insert block 22 are respectively inserted into the first sealing groove 11 and the second sealing groove 12, so that the whole die is sealed to ensure the sealing performance. Afterwards, the injection molding mouth and the material injection mouth 13 are connected by using an injection molding machine, injection molding is started, in the injection molding process, along with the injection of materials in the injection molding cavity 3, air in the injection molding cavity 3 is discharged from the observation mouth 14, so that the uniformity of internal injection molding is ensured, when the materials appear in the observation mouth 14, the whole injection molding cavity 3 is filled with the materials, at the moment, injection molding is stopped, and cooling molding is carried out.
When cooling, go up inlet 16 and lower inlet 24 intercommunication cooling water, connect the recovery pond with last delivery port 17 and lower delivery port 25 to with letting in cold water in last cooling chamber 15 and the lower cooling chamber 23, thereby cool off injection mold cavity 3, thereby improve the fashioned speed of cooling.
After the internal materials are completely cooled and formed, the lifting cylinder 43 is started to drive the upper die 1 to move upwards, so that the upper die 1 is separated from the lower die 2, and a finished product obtained in the injection molding die cavity 3 is taken out to be processed in the next step.
The utility model discloses an injection mold simple structure, the use of being convenient for, sealed effectual and fill effectual quality that can guarantee injection moulding product.
The above detailed description of the embodiments of the present invention is only for the preferred embodiments of the present invention, and the present invention should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (9)
1. The utility model provides an injection mold that sealing degree is high, includes mould (1) and bed die (2), its characterized in that: the upper die (1) is provided with an upper die cavity (31), the lower die (2) is provided with a lower die cavity (32), and the upper die (1) and the lower die (2) are butted and matched to form a complete injection die cavity (3); a first sealing groove (11) and a second sealing groove (12) are formed in the bottom wall of the upper die (1), a first sealing insert block (21) and a second sealing insert block (22) are arranged on the top wall of the lower die (2), and the first sealing insert block (21) and the second sealing insert block (22) are respectively arranged opposite to the first sealing groove (11) and the second sealing groove (12) and are consistent in size;
the top wall of the upper die (1) is provided with a material injection pipe orifice (13) and an observation pipe orifice (14), and the material injection pipe orifice (13) and the observation pipe orifice (14) are both communicated with the upper die cavity (31);
the first sealing groove (11) and the second sealing groove (12) are arranged around the injection molding die cavity (3) in a closed mode; the observation pipe orifice (14) is a transparent pipe.
2. The injection mold with high sealing degree according to claim 1, wherein: the first sealing groove (11) is positioned on the inner side of the second sealing groove (12), and the groove depths of the first sealing groove (11) and the second sealing groove (12) are respectively the same as the heights of the first sealing insert block (21) and the second sealing insert block (22); the first sealing insert block (21) and the second sealing insert block (22) are both made of sealing rubber.
3. An injection mold with high sealing degree according to claim 1 or 2, characterized in that: the inner hollow part of the upper die (1) is provided with an upper cooling cavity (15), the upper die (1) is provided with an upper water inlet (16) and an upper water outlet (17), the upper water inlet (16) and the upper water outlet (17) are communicated with the upper cooling cavity (15), and the upper water outlet (17) is positioned on the upper side of the upper water inlet (16).
4. An injection mold with high sealing degree according to claim 3, characterized in that: the inner hollow part of the lower die (2) is provided with a lower cooling cavity (23), the lower die (2) is provided with a lower water inlet (24) and a lower water outlet (25), the lower water inlet (24) and the lower water outlet (25) are communicated with the lower cooling cavity (23), and the lower water outlet (25) is positioned on the upper side of the lower water inlet (24).
5. An injection mold with high sealing degree according to claim 4, characterized in that: the upper cooling cavity (15) is positioned on the outer side of the upper die cavity (31) and coats the upper die cavity (31), and the lower cooling cavity (23) is positioned on the outer side of the lower die cavity (32) and coats the lower die cavity (32).
6. The injection mold with high sealing degree according to claim 1, wherein: still including locking mechanism (4), locking mechanism (4) are including bottom plate (41), guide arm (42) and lift cylinder (43), guide arm (42) are provided with two sets ofly relatively, and every group is provided with two, fixes respectively in the four corners department of bottom plate (41), fixes between every group guide arm (42) and is provided with one lift cylinder (43), the piston rod tip fixedly connected with of lift cylinder (43) welds board (44), the top threaded fixation of guide arm (42) has limiting plate (45).
7. The injection mold with high sealing degree according to claim 6, wherein: the top of going up mould (1) is fixed and is provided with upper junction plate (5), annotate material mouth of pipe (13) and observe mouth of pipe (14) and run through upper junction plate (5) and set up, the four corners department of upper junction plate (5) is provided with four through-holes (51), four guide arm (42) run through four through-holes (51) respectively and set up.
8. An injection mold with high sealing degree according to claim 7, characterized in that: a lower connecting plate (6) is fixedly arranged on the bottom wall of the lower die (2), a fixing hole (61) is formed in the lower connecting plate (6), a fixing threaded hole is formed in the bottom plate (41), and the lower connecting plate (6) penetrates through the fixing hole (61) through a bolt (7) and is in threaded fixing with the fixing threaded hole; the upper die cavity (31) and the lower die cavity (32) are arranged oppositely, and the first sealing groove (11) and the second sealing groove (12) are arranged oppositely with the first sealing insert block (21) and the second sealing insert block (22) respectively.
9. An injection mold with high sealing degree according to claim 8, characterized in that: the welding plate (44) is fixedly welded with the upper connecting plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120993677.5U CN214773670U (en) | 2021-05-11 | 2021-05-11 | Injection mold with high sealing degree |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120993677.5U CN214773670U (en) | 2021-05-11 | 2021-05-11 | Injection mold with high sealing degree |
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| Publication Number | Publication Date |
|---|---|
| CN214773670U true CN214773670U (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120993677.5U Active CN214773670U (en) | 2021-05-11 | 2021-05-11 | Injection mold with high sealing degree |
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| CN (1) | CN214773670U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114311527A (en) * | 2021-12-12 | 2022-04-12 | 苏州允冠精密塑胶有限公司 | Plastic gear mold and injection molding process |
| CN115302713A (en) * | 2022-08-15 | 2022-11-08 | 安徽康盛橡塑科技有限公司 | Mold for processing rubber products and working method thereof |
-
2021
- 2021-05-11 CN CN202120993677.5U patent/CN214773670U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114311527A (en) * | 2021-12-12 | 2022-04-12 | 苏州允冠精密塑胶有限公司 | Plastic gear mold and injection molding process |
| CN115302713A (en) * | 2022-08-15 | 2022-11-08 | 安徽康盛橡塑科技有限公司 | Mold for processing rubber products and working method thereof |
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