CN214872276U

CN214872276U - 3D prints injection mold with seal structure

Info

Publication number: CN214872276U
Application number: CN202022682644.7U
Authority: CN
Inventors: 姜国政; 赵晓明; 贺峰; 张莹
Original assignee: Platinum Jiangsu Additive Manufacturing Co ltd
Current assignee: Platinum Jiangsu Additive Manufacturing Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-11-26
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses a 3D prints injection mold with seal structure. Comprises a fixed seat, a lower template is clamped and installed at the top end of the fixed seat, upper templates are installed on two sides of the top end of the lower template, the two sides of the top end of the upper template are embedded with injection molding interfaces, the middle part of the top end of the lower template is provided with a triangular guide plate, injection molding holes are uniformly formed in two sides of the bottom end of the triangular guide plate, an injection molding pipe groove is formed in the upper template in a penetrating manner, the middle part of the inside of the injection molding pipe groove is embedded with the funnel plate, the utility model can convey materials in one direction through the injection molding pipe groove and the funnel plate inside the upper template, and the materials are conveyed to the interior of the lower template for injection molding by matching with the triangular guide plate and the injection molding hole at the top end of the lower template, thereby realized carrying the one-way sealed of the material of moulding plastics, solved and had existed the gap between traditional mould lower bolster and the cope match-plate pattern, caused the problem that the material takes place to leak when moulding plastics easily.

Description

3D prints injection mold with seal structure

Technical Field

The utility model relates to an injection mold technical field specifically is a 3D prints injection mold with seal structure.

Background

An injection mold is a tool for producing plastic products; the injection molding is a processing method used for batch production of parts with complex shapes, and particularly relates to a method for injecting heated and molten plastic into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification.

However, the existing 3D printing injection mold cannot realize one-way sealing conveying of injection molding materials when in use, and meanwhile, a gap exists between the lower template and the upper template of the traditional mold, so that the problem of leakage of the materials when in injection molding is easily caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a 3D prints injection mold with seal structure to current 3D who proposes in solving above-mentioned background art prints injection mold and exists when using and can not realize carrying the one-way seal of the material of moulding plastics, has the gap between traditional mould lower bolster and the cope match-plate pattern simultaneously, causes the problem that the material takes place to leak when moulding plastics easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a 3D prints injection mold with seal structure, includes the fixing base, the lower bolster is installed to fixing base top joint, the cope match-plate pattern is all installed to lower bolster top both sides, the interface of moulding plastics is installed in the equal embedding in cope match-plate pattern top both sides, the cope match-plate pattern with seal assembly is installed in the embedding between the lower bolster, seal assembly includes triangle guide plate, the hole of moulding plastics, tub groove and the funnel board of moulding plastics, lower bolster top mid-mounting have the triangle guide plate, triangle guide plate bottom both sides have evenly seted up the hole of moulding plastics, the inside running through of cope match-plate pattern has seted up the tub groove of moulding plastics, the inside middle part embedding of tub groove of moulding plastics is installed the funnel board.

Further, still include the compound paster of high temperature resistant of polyurethane, the installation is covered on the surface subsides of cope match-plate pattern bottom the compound paster of high temperature resistant of polyurethane, just the compound paster surface of high temperature resistant of polyurethane is polished smoothly.

Further, the upper die plate outer wall with through fixed subassembly fixed connection between the lower bolster outer wall, fixed subassembly includes support arm, cassette, bayonet lock and compression spring, evenly cup joint on upper die plate outer wall one side and rotate and install go up the support arm, evenly install on lower bolster outer wall both sides the cassette, the inside one side embedding of cassette is installed the bayonet lock, the bayonet lock outside with the cassette outer wall cup joints and installs compression spring.

Furthermore, the fixing device further comprises a limiting column, wherein the limiting column is installed on one side of the bottom end of the upper template, and a fixing slot is formed in the position, corresponding to the limiting column, of the top surface of the lower template.

Further, the two side edge parts of the bottom end of the outer wall of the lower template uniformly penetrate through the heat dissipation holes.

Furthermore, the inside of the injection molding interface is sleeved with a rubber fastening rubber ring, and the surface of the rubber fastening rubber ring is uniformly provided with anti-skid lines.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a be provided with seal assembly, can advance one-way transport to the material through inside tub groove and the funnel board of moulding plastics of cope match-plate pattern to the triangle guide plate and the hole of moulding plastics of cooperation lower bolster top department carry the material to the inside injection moulding that carries of lower bolster, thereby realized carrying the one-way seal of the material of moulding plastics, solved and had the gap between traditional mould lower bolster and the cope match-plate pattern, caused the problem that the material takes place to leak when moulding plastics easily.

Through being provided with fixed subassembly, when installing the cope match-plate pattern in lower bolster top position department, peg graft in the cassette of lower bolster outer wall department through the last support arm with cope match-plate pattern outer wall department to peg graft the bayonet lock through compression spring and fix in last support arm is inside, thereby realized that quick assembly disassembly to between lower bolster and the cope match-plate pattern is fixed, be favorable to improving the whole convenience performance when the form removal of later stage injection mold.

Drawings

Fig. 1 is a schematic structural diagram in an embodiment of the present invention;

FIG. 2 is a schematic structural view of the seal assembly in the embodiment of FIG. 1;

FIG. 3 is a schematic plan view of the lower platen assembly of the embodiment of FIG. 1;

fig. 4 is a schematic plan view of the interior of the upper plate in the embodiment of fig. 1.

Reference numerals: 1. a fixed seat; 2. a lower template; 3. mounting a template; 4. an injection molding interface; 5. A seal assembly; 501. a triangular guide plate; 502. injection molding holes; 503. injection molding a pipe groove; 504. A funnel plate; 505. polyurethane high-temperature resistant composite paster; 6. a fixing assembly; 601. an upper support arm; 602. a card holder; 603. a bayonet lock; 604. a compression spring; 605. a limiting column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4 together, the 3D printing injection mold with the sealing structure comprises a fixing seat 1, a lower template 2 is installed at the top end of the fixing seat 1 in a clamping manner, an upper template 3 is installed at both sides of the top end of the lower template 2, injection interfaces 4 are installed at both sides of the top end of the upper template 3 in an embedding manner, a sealing assembly 5 is installed between the upper template 3 and the lower template 2 in an embedding manner, the sealing assembly 5 comprises a triangular guide plate 501, injection holes 502, injection pipe grooves 503 and a funnel plate 504, a triangular guide plate 501 is installed at the middle part of the top end of the lower template 2, injection holes 502 are evenly formed at both sides of the bottom end of the triangular guide plate 501, an injection pipe groove 503 is formed in the upper template 3 in a penetrating manner, a funnel plate 504 is installed at the middle part of the injection pipe groove 503, when the injection interfaces 4 at the top end of the upper template 3 are connected with external injection pipes, materials can be conveyed in a single direction through the injection pipe groove 503 and the funnel plate 504 in the upper template 3, and the triangle guide plate 501 and the injection hole 502 of cooperation lower bolster 2 top department carry the material to the inside injection moulding that carries out of lower bolster 2 to realized having solved and having had the gap between traditional mould lower bolster 2 and the cope match-plate pattern 3 to the one-way sealed transport of the material of moulding plastics, caused the problem that the material takes place to leak when moulding plastics easily.

In order to further increase the connection tightness between the bottom end of the upper template 3 and the top end of the lower template 2, a polyurethane high-temperature resistant composite patch 505 is attached and mounted on the surface of the bottom end of the upper template 3, and the surface of the polyurethane high-temperature resistant composite patch 505 is polished smoothly.

The outer wall of the upper template 3 is fixedly connected with the outer wall of the lower template 2 through a fixing component 6, the fixing component 6 comprises an upper support arm 601, a clamping seat 602, a clamping pin 603 and a compression spring 604, one side of the outer wall of the upper template 3 is uniformly sleeved and rotatably provided with the upper support arm 601, two sides of the outer wall of the lower template 2 are uniformly provided with the clamping seat 602, one side of the inner part of the clamping seat 602 is embedded and provided with the clamping pin 603, the outer part of the clamping pin 603 is sleeved and provided with the compression spring 604 with the outer wall of the clamping seat 602, when the upper template 3 is installed at the top end position of the lower template 2, by inserting the upper support arm 601 at the outer wall of the upper template 3 into the clamping seat 602 at the outer wall of the lower template 2, and the bayonet 603 is inserted into the inside of the upper arm 601 by the compression spring 604 for fixing, thereby realized that quick assembly disassembly between lower bolster 2 and the cope match-plate pattern 3 is fixed, be favorable to improving the whole convenient performance when the form removal of later stage injection mold.

Spacing post 605 is installed to 3 bottom one sides of cope match-plate pattern, and 2 top surfaces of lower bolster correspond spacing post 605 position departments and have seted up fixed slot, and fixed slot through 2 top departments of lower bolster is fixed the connection of 3 bottom spacing posts 605 of cope match-plate pattern, has avoided taking place the skew between lower bolster 2 and the cope match-plate pattern 3, influences the fastness of injection mold installation.

In order to increase the efficiency of the cooling forming of the injection molding material inside the lower template 2, the two side edge parts of the outer wall bottom end of the lower template 2 uniformly penetrate through the heat dissipation holes.

In order to increase the firmness of the injection molding rubber pipe at the position of the injection molding interface 4 during installation, a rubber fastening rubber ring is sleeved inside the injection molding interface 4, and anti-skid grains are uniformly arranged on the surface of the rubber fastening rubber ring.

To sum up, in the working process of the 3D printing injection mold with the sealing structure provided by the present invention, firstly, when the upper mold plate 3 is installed at the top end position of the lower mold plate 2, the upper support arm 601 at the outer wall of the upper mold plate 3 is inserted into the clamping seat 602 at the outer wall of the lower mold plate 2, and the clamping pin 603 is inserted into the upper support arm 601 through the compression spring 604 for fixing;

then, when the injection port 4 at the top end of the upper template 3 is connected with an external injection pipe, the injection pipe groove 503 and the funnel plate 504 inside the upper template 3 can convey the material in a single direction, and the triangular guide plate 501 and the injection hole 502 at the top end of the lower template 2 are matched to convey the material to the inside of the lower template 2 for cooling injection molding.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The 3D printing injection mold with the sealing structure comprises a fixing seat (1) and is characterized in that a lower template (2) is installed at the top end of the fixing seat (1) in a clamped mode, an upper template (3) is installed on two sides of the top end of the lower template (2), injection molding interfaces (4) are installed on two sides of the top end of the upper template (3) in an embedded mode, a sealing assembly (5) is installed between the upper template (3) and the lower template (2) in an embedded mode, the sealing assembly (5) comprises a triangular guide plate (501), injection molding holes (502), injection molding pipe grooves (503) and a funnel plate (504), the triangular guide plate (501) is installed in the middle of the top end of the lower template (2), the injection molding holes (502) are evenly formed in two sides of the bottom end of the triangular guide plate (501), the injection molding pipe grooves (503) are formed in the upper template (3) in a penetrating mode, the middle part of the inside of the injection molding pipe groove (503) is embedded with the funnel plate (504).

2. The 3D printing injection mold with the sealing structure is characterized by further comprising a polyurethane high-temperature resistant composite patch (505), wherein the polyurethane high-temperature resistant composite patch (505) is mounted on the bottom end surface of the upper template (3) in an attaching mode, and the surface of the polyurethane high-temperature resistant composite patch (505) is polished smooth.

3. The 3D printing injection mold with the sealing structure according to claim 1, characterized in that the outer wall of the upper mold plate (3) is fixedly connected with the outer wall of the lower mold plate (2) through a fixing component (6), the fixing component (6) comprises an upper support arm (601), a cassette (602), a clamping pin (603) and a compression spring (604), the upper support arm (601) is rotatably installed on one side of the outer wall of the upper mold plate (3) in a sleeved mode, the cassette (602) is evenly installed on two sides of the outer wall of the lower mold plate (2), the clamping pin (603) is installed on one side of the inner portion of the cassette (602) in an embedded mode, and the compression spring (604) is installed on the outer wall of the clamping pin (603) in a sleeved mode.

4. The 3D printing injection mold with the sealing structure according to claim 3, further comprising a limiting column (605), wherein the limiting column (605) is installed on one side of the bottom end of the upper template (3), and a fixing slot is formed in the position, corresponding to the limiting column (605), of the top end surface of the lower template (2).

5. The 3D printing injection mold with the sealing structure according to claim 1, wherein heat dissipation holes are uniformly formed in two side edges of the bottom end of the outer wall of the lower template (2) in a penetrating manner.

6. The 3D printing injection mold with the sealing structure according to claim 1, wherein a rubber fastening rubber ring is sleeved inside the injection interface (4), and anti-skid lines are uniformly arranged on the surface of the rubber fastening rubber ring.