CN213704365U

CN213704365U - Hot runner point glue feeding device of thin-wall mold

Info

Publication number: CN213704365U
Application number: CN202021897831.0U
Authority: CN
Inventors: 张连义; 张连祥
Original assignee: Hebei Xiangyi Mould Technology Co Ltd
Current assignee: Hebei Xiangyi Mould Technology Co Ltd
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-07-16
Anticipated expiration: 2030-09-03

Abstract

The utility model relates to the technical field of glue feeding devices, in particular to a hot runner point glue feeding device of a thin-wall mold; the glue injection operation is convenient, the overflow of the molten colloid is effectively prevented, and the glue injection efficiency is improved; the die comprises a base, a left mounting plate, a right mounting plate, a left hydraulic cylinder, a right hydraulic cylinder, a left die and a right die, wherein die grooves and point gates communicated with the die grooves are formed in the left die and the right die; still including the molten rubber groove, the multiunit advances the rubber tube, left side articulated elevating system and right side articulated elevating system, the some runner is the multiunit, the multiunit advances the rubber tube and all sets up in the bottom in molten rubber groove, left side articulated elevating system and right side articulated elevating system are fixed respectively and are set up in the left end of left mould and the right-hand member of right mould, left side articulated elevating system and right side articulated elevating system all include the fixed plate, riser and hinge bar, the riser is fixed to be set up on the fixed plate, the multiunit advances the rubber tube and corresponds the setting with the multiunit some runner, the multiunit advances the rubber tube and is located multiunit some runner directly over respectively, some runner agrees with.

Description

Hot runner point glue feeding device of thin-wall mold

Technical Field

The utility model relates to a advance mucilage binding technical field of device, especially relate to a thin wall mould hot runner point advances mucilage binding and puts.

Background

As is known, the glue feeding mode of the hot runner is divided into a point gate type, a large water gate type and a needle valve type, the point gate type is the most common glue feeding mode, the quality of an injection molding part product is determined by the size of a gate, the cooling of the gate, the temperature of a tip part and other factors, the injection molding part product is suitable for almost all known plastics, a small gate mark is left on the surface of the product by the glue inlet of the injection molding part product, and the size of the small gate mark is determined by the size of the gate and different plastics; the existing thin-wall mold hot runner point glue feeding device comprises a base, a left mounting plate, a right mounting plate, a left hydraulic cylinder, a right hydraulic cylinder, a left mold and a right mold, wherein the left mounting plate and the right mounting plate are respectively and fixedly arranged at the left part and the right part of the top end of the base; when the existing thin-wall mold hot runner point glue feeding device is used, molten glue is injected into a mold cavity formed by closing a left mold and a right mold through a point gate; the existing hot runner point glue injection device for the thin-wall mold is found in use, when glue is injected at a point pouring gate, the glue injection device is difficult to align with the point pouring gate, so that molten colloid is overflowed, the glue injection efficiency is reduced, and certain use limitation is realized.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a to prior art not enough, the utility model provides a conveniently carry out the injecting glue operation, prevent effectively that melting form colloid is excessive, improve the thin wall mould hot runner point of injecting glue efficiency and advance mucilage binding and put.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the left mounting plate and the right mounting plate are respectively and fixedly arranged at the left part and the right part of the top end of the base, the left hydraulic cylinder and the right hydraulic cylinder are respectively and fixedly arranged on the left mounting plate and the right mounting plate, four groups of guide rods are arranged between the left mounting plate and the right mounting plate, the left die and the right die can be arranged on the four groups of guide rods in a left-right sliding manner, the output end of the left hydraulic cylinder is fixedly connected with the left end of the left die, the output end of the right hydraulic cylinder is fixedly connected with the right end of the right die, and die slots and point gates communicated with the die slots are respectively arranged on the left die and the right die; still advance rubber tube, left articulated elevating system and right articulated elevating system including melten gel groove, multiunit, the some runner is the multiunit, the multiunit advance the rubber tube all set up in the bottom in melten gel groove, left side articulated elevating system and right side articulated elevating system fixed respectively set up in the left end of left side mould and the right-hand member of right side mould, left side articulated elevating system and right side articulated elevating system all include fixed plate, riser and hinge bar, the riser is fixed set up in on the fixed plate, the one end of hinge bar is articulated with the riser, the other end of hinge bar with the melten gel groove is articulated, the multiunit advances the rubber tube and corresponds the setting with multiunit point runner, and the multiunit advances the rubber tube and is located multiunit point runner directly over respectively, the some runner with advance the rubber tube and agree with mutually.

Preferably, still include two sets of balanced supporting mechanism, two sets of balanced supporting mechanism include two sets of telescopic links, lifter plate and backing roll, two sets of balanced supporting mechanism respectively fixed set up in on the fixed plate on articulated lifter mechanism in a left side and the articulated lifter mechanism in the right side, the bottom of telescopic link with the top fixed connection of fixed plate, the extension end of two sets of telescopic links all with the bottom fixed connection of lifter plate, the extension end of two sets of telescopic links all overlaps and is equipped with the spring, the backing roll rotatable set up in on the lifter plate, the top left part and the right part in melten gel groove all are provided with supports extension portion, the backing roll with the bottom in close contact with of support extension portion.

Preferably, an electric heating pipe is arranged on the side wall of the molten glue groove.

Preferably, the inner wall of the bottom end of the molten glue groove is in a tapered groove shape.

Preferably, a sealing plate is arranged on the rubber inlet pipe, and a sealing groove matched with the sealing plate is arranged on the point pouring gate.

(III) advantageous effects

Compared with the prior art, the utility model provides a thin wall mould hot runner point advances mucilage binding and puts possesses following beneficial effect: the thin-wall mold hot runner point glue feeding device has the advantages that the output ends of the left hydraulic cylinder and the right hydraulic cylinder are extended by starting the left hydraulic cylinder and the right hydraulic cylinder, the left mold and the right mold are close to each other along the guide rods respectively, the glue melting grooves synchronously move downwards under the transmission of the hinge rods on the left hinge lifting mechanism and the right hinge lifting mechanism, when the left mold and the right mold are closed, the glue feeding pipes just enter the point pouring gates, at the moment, molten glue is injected into the glue melting grooves and enters the mold grooves formed after the left mold and the right mold are closed through a plurality of groups of glue feeding pipes, after the molten glue in the glue melting grooves is injected into the mold grooves to be cooled and molded, the left hydraulic cylinder and the right hydraulic cylinder are started to separate the left mold from the right mold, the glue melting grooves synchronously move upwards under the transmission action of the hinge rods, the glue feeding pipes are separated from the glue dispensing gates, the injection of the molten glue is completed, and the glue injection operation, effectively prevent the overflow of the molten colloid and improve the glue injection efficiency.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic cross-sectional view taken along line a-a of fig. 2 according to the present invention;

fig. 4 is a schematic cross-sectional view taken along line B-B of fig. 2 according to the present invention;

fig. 5 is a schematic cross-sectional view taken at a in fig. 4 according to the present invention;

in the drawings, the reference numbers: 1. a base; 2. a left mounting plate; 3. a right mounting plate; 4. a left hydraulic cylinder; 5. a right hydraulic cylinder; 6. a left mold; 7. a right mold; 8. a guide bar; 9. dotting a gate; 10. a molten glue groove; 11. feeding a rubber tube; 12. a fixing plate; 13. a vertical plate; 14. a hinged lever; 15. a telescopic rod; 16. a lifting plate; 17. a support roller; 18. a spring; 19. a support extension; 20. an electric heating tube; 21. a sealing plate; 22. sealing the groove.

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. 1-5, the utility model discloses a thin-walled mold hot runner point advances mucilage binding and puts, including base 1, left mounting panel 2, right mounting panel 3, left pneumatic cylinder 4, right pneumatic cylinder 5, left mould 6 and right mould 7, left mounting panel 2 and right mounting panel 3 are fixed respectively in the top left part and the right part of base 1, left pneumatic cylinder 4 and right pneumatic cylinder 5 are fixed respectively on left mounting panel 2 and right mounting panel 3, be provided with four groups of guide bars 8 between left mounting panel 2 and the right mounting panel 3, left mould 6 and right mould 7 can all be set up on four groups of guide bars 8 that slide from side to side, the output of left pneumatic cylinder 4 is fixed connection with the left end of left mould 6, the output of right pneumatic cylinder 5 is fixed connection with the right-hand member of right mould 7, all be provided with the die cavity and with the some gate 9 that the die cavity communicates on left mould 6 and the right mould 7; the automatic glue pouring device comprises a glue melting groove 10, a plurality of groups of glue inlet pipes 11, a left hinged lifting mechanism and a right hinged lifting mechanism, wherein the spot pouring openings 9 are in a plurality of groups, the plurality of groups of glue inlet pipes 11 are all arranged at the bottom end of the glue melting groove 10, the left hinged lifting mechanism and the right hinged lifting mechanism are respectively fixedly arranged at the left end of a left mould 6 and the right end of a right mould 7, the left hinged lifting mechanism and the right hinged lifting mechanism respectively comprise a fixed plate 12, a vertical plate 13 and a hinged rod 14, the vertical plate 13 is fixedly arranged on the fixed plate 12, one end of the hinged rod 14 is hinged with the vertical plate 13, the other end of the hinged rod 14 is hinged with the glue melting groove 10, the plurality of groups of glue inlet pipes 11 are correspondingly arranged with the plurality of groups of spot pouring openings 9, the plurality of groups of glue inlet pipes; the output ends of the left hydraulic cylinder 4 and the right hydraulic cylinder 5 are extended by starting the left hydraulic cylinder 4 and the right hydraulic cylinder 5, the left die 6 and the right die 7 are respectively close to each other along the guide rod 8, the glue melting tank 10 synchronously moves downwards under the transmission of the hinge rods 14 on the left hinge lifting mechanism and the right hinge lifting mechanism, when the left die 6 and the right die 7 are closed, the glue inlet pipe 11 just enters the sprue 9, at the moment, the molten colloid is injected into the glue melting tank 10 and enters a die groove formed after the left die 6 and the right die 7 are closed through a plurality of groups of glue inlet pipes 11, after the molten colloid in the glue melting tank 10 is injected into the die groove to be cooled and molded, the left hydraulic cylinder 4 and the right hydraulic cylinder 5 are started to separate the left die 6 from the right die 7, under the transmission action of the hinge rods 14, the glue melting tank 10 synchronously moves upwards, the glue inlet pipe 11 is separated from a glue dispensing port, and the injection of the molten colloid is completed, the glue injection operation is convenient, the overflow of the molten colloid is effectively prevented, and the glue injection efficiency is improved.

The utility model discloses a thin wall mould hot runner point advances mucilage binding and puts, still include two sets of balanced supporting mechanism, two sets of balanced supporting mechanism include two sets of telescopic links 15, lifter plate 16 and backing roll 17, two sets of balanced supporting mechanism are fixed respectively on fixed plate 12 on left articulated lifter mechanism and the right articulated lifter mechanism, the bottom of telescopic link 15 and the top fixed connection of fixed plate 12, the extension end of two sets of telescopic links 15 all is connected with the bottom fixed connection of lifter plate 16, the extension end of two sets of telescopic links 15 all overlaps and is equipped with spring 18, backing roll 17 rotatable setting is on lifter plate 16, the top left part and the right part of melten gel groove 10 all are provided with support extension 19, backing roll 17 and the bottom of support extension 19 closely contact; in the process of moving the molten rubber groove 10 up and down, the supporting rollers 17 are kept in supporting contact with the supporting extension parts 19 on the molten rubber groove 10 under the action of the telescopic rods 15 and the springs 18 on the two groups of balance supporting mechanisms, so that the molten rubber groove 10 is more stable in the process of moving up and down; an electric heating tube 20 is arranged on the side wall of the molten glue groove 10; through the arrangement of the electric heating tube 20, the molten colloid in the glue melting groove 10 can be continuously heated, so that the molten colloid keeps better fluidity and is conveniently injected into the die cavity through the glue inlet tube 11; the inner wall of the bottom end of the molten glue groove 10 is in a tapered groove shape; the residue of the molten colloid at the bottom in the molten colloid tank 10 can be effectively reduced by the arrangement of the tapered groove on the inner wall of the bottom of the molten colloid tank 10; a sealing plate 21 is arranged on the rubber inlet pipe 11, and a sealing groove 22 matched with the sealing plate 21 is arranged on the point pouring gate 9; the arrangement of the sealing plate 21 and the sealing groove 22 can lead the rubber inlet pipe 11 and the point pouring gate 9 to be well sealed, and effectively prevent the molten colloid from overflowing.

When the glue melting device is used, the output ends of the left hydraulic cylinder 4 and the right hydraulic cylinder 5 are extended by starting the left hydraulic cylinder 4 and the right hydraulic cylinder 5, the left die 6 and the right die 7 are respectively close to each other along the guide rod 8, the glue melting groove 10 synchronously moves downwards under the transmission of the hinge rods 14 on the left hinge lifting mechanism and the right hinge lifting mechanism, when the left die 6 and the right die 7 are closed, the glue inlet pipe 11 just enters the pouring gate 9, at the moment, molten glue is injected into the glue melting groove 10 and enters a die groove formed after the left die 6 and the right die 7 are closed through a plurality of groups of glue inlet pipes 11, when the molten glue in the glue melting groove 10 is injected into the die groove for cooling and forming, the left hydraulic cylinder 4 and the right hydraulic cylinder 5 are started to separate the left die 6 from the right die 7, the glue melting groove 10 synchronously moves upwards under the transmission action of the hinge rods 14, and the glue inlet pipe 11 is separated from a glue dispensing opening, the injection of the molten colloid is completed, the glue injection operation is convenient, the overflow of the molten colloid is effectively prevented, and the glue injection efficiency is improved; in the process of moving the molten rubber groove 10 up and down, the supporting rollers 17 are kept in supporting contact with the supporting extension parts 19 on the molten rubber groove 10 under the action of the telescopic rods 15 and the springs 18 on the two groups of balance supporting mechanisms, so that the molten rubber groove 10 is more stable in the process of moving up and down; through the arrangement of the electric heating tube 20, the molten colloid in the glue melting groove 10 can be continuously heated, so that the molten colloid keeps better fluidity and is conveniently injected into the die cavity through the glue inlet tube 11; the residue of the molten colloid at the bottom in the molten colloid tank 10 can be effectively reduced by the arrangement of the tapered groove on the inner wall of the bottom of the molten colloid tank 10; the arrangement of the sealing plate 21 and the sealing groove 22 can lead the rubber inlet pipe 11 and the point pouring gate 9 to be well sealed, and effectively prevent the molten colloid from overflowing.

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.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

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. A thin-wall mold hot runner point glue feeding device comprises a base (1), a left mounting plate (2), a right mounting plate (3), a left hydraulic cylinder (4), a right hydraulic cylinder (5), a left mold (6) and a right mold (7), wherein the left mounting plate (2) and the right mounting plate (3) are respectively and fixedly arranged at the left part and the right part of the top end of the base (1), the left hydraulic cylinder (4) and the right hydraulic cylinder (5) are respectively and fixedly arranged on the left mounting plate (2) and the right mounting plate (3), four groups of guide rods (8) are arranged between the left mounting plate (2) and the right mounting plate (3), the left mold (6) and the right mold (7) can be respectively and fixedly arranged on the four groups of guide rods (8), the output end of the left hydraulic cylinder (4) is fixedly connected with the left end of the left mold (6), the output end of the right hydraulic cylinder (5) is fixedly connected with the right end, the left die (6) and the right die (7) are both provided with a die cavity and a point gate (9) communicated with the die cavity; the automatic glue pouring device is characterized by further comprising a glue melting groove (10), a plurality of groups of glue inlet pipes (11), a left hinged lifting mechanism and a right hinged lifting mechanism, wherein the spot pouring gates (9) are in a plurality of groups, the plurality of groups of glue inlet pipes (11) are all arranged at the bottom end of the glue melting groove (10), the left hinged lifting mechanism and the right hinged lifting mechanism are respectively and fixedly arranged at the left end of the left mould (6) and the right end of the right mould (7), the left hinged lifting mechanism and the right hinged lifting mechanism respectively comprise a fixed plate (12), a vertical plate (13) and a hinged rod (14), the vertical plate (13) is fixedly arranged on the fixed plate (12), one end of the hinged rod (14) is hinged to the vertical plate (13), the other end of the hinged rod (14) is hinged to the glue melting groove (10), the plurality of groups of glue inlet pipes (11) are arranged corresponding to the plurality of groups of spot pouring gates (9), and the plurality of groups of glue inlet pipes (11) are respectively positioned right above the, the point pouring gate (9) is matched with the rubber inlet pipe (11).

2. The hot runner spot glue feeding device of the thin-wall mold as claimed in claim 1, further comprising two groups of balance support mechanisms, wherein the two groups of balance support mechanisms comprise two groups of telescopic rods (15), a lifting plate (16) and a supporting roller (17), the two groups of balance support mechanisms are respectively and fixedly arranged on the fixing plate (12) on the left hinged lifting mechanism and the right hinged lifting mechanism, the bottom ends of the telescopic rods (15) are fixedly connected with the top end of the fixing plate (12), the extending ends of the two groups of telescopic rods (15) are both fixedly connected with the bottom end of the lifting plate (16), the extending ends of the two groups of telescopic rods (15) are both sleeved with springs (18), the supporting roller (17) is rotatably arranged on the lifting plate (16), and the left and right parts of the top end of the melt glue groove (10) are both provided with supporting extending parts (19), the support roller (17) is in close contact with the bottom end of the support extension (19).

3. The hot runner spot-gluing device for the thin-wall mold according to claim 2, wherein an electric heating tube (20) is arranged on the side wall of the glue melting groove (10).

4. The hot runner spot-gluing device for the thin-wall mold as claimed in claim 3, wherein the inner wall of the bottom end of the melt glue groove (10) is in the shape of a tapered groove.

5. The hot runner spot glue feeding device of the thin-wall mold according to claim 4, wherein a sealing plate (21) is arranged on the glue feeding pipe (11), and a sealing groove (22) matched with the sealing plate (21) is arranged on the spot gate (9).