CN203485406U - Compressed glue injection device of injection molding machine - Google Patents

Compressed glue injection device of injection molding machine Download PDF

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Publication number
CN203485406U
CN203485406U CN201320474541.9U CN201320474541U CN203485406U CN 203485406 U CN203485406 U CN 203485406U CN 201320474541 U CN201320474541 U CN 201320474541U CN 203485406 U CN203485406 U CN 203485406U
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China
Prior art keywords
material pipe
nozzle
runner
check ring
injection nozzle
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Application number
CN201320474541.9U
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Chinese (zh)
Inventor
李君�
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Sino Holdings Group Co., Ltd.
Original Assignee
ZHEJIANG DEKUMA MACHINERY Co Ltd
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Priority to CN201320474541.9U priority Critical patent/CN203485406U/en
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Abstract

The utility model discloses a compressed glue injection device of an injection molding machine. The compressed glue injection device comprises a material pipe, wherein a screw rod is arranged in the material pipe, and an injection nozzle is arranged at the outlet of the material pipe and is provided with a non-return injection nozzle capable of moving left and right along the inner wall of the injection nozzle. A limiting stone roller is arranged at one end, at the outlet of the material pipe, of the non-return injection nozzle, a limiting nut is in threaded connection onto the outer wall of the other end of the non-return injection nozzle, a runner is axially formed at the center of the non-return injection nozzle, and a runner opening is formed in one end, at the outlet of the material pipe, of the runner in the radial direction. When the limiting nut is in contact with the injection nozzle, the runner is communicated with a front cavity of the material pipe by the runner opening; when the limiting nut leaves the injection nozzle and moves to the leftmost end, the runner opening is closed. According to the technical scheme, the sealing effect of the front cavity of the material pipe is good, and the glue injection stability is ensured.

Description

The compression glue injecting device of injection machine
Technical field
The utility model relates to a kind of injection moulding apparatus, relates in particular to a kind of compression glue injecting device of injection machine.
Background technology
Glue injecting device is indispensable parts of injection machine.Current injection molding machine injection device is because nozzle sealing is strong not, and before material pipe, cavity pressure slightly greatly just there will be the unsettled problem of injection amount, the weight of the so easy quality that affects goods, especially goods and size.Particularly hour, this destabilizing factor is more obvious for the weight of goods.
Utility model content
In order to overcome defect of the prior art, the utility model provides a kind of compression glue injecting device that can guarantee the injection machine of product weight and dimensional stability.
The utility model solves the technical scheme that its technical problem adopts:
The compression glue injecting device of injection machine, comprise material pipe, in described material pipe, be provided with screw rod, the exit of described material pipe is provided with nozzle, it is characterized in that being provided with on described nozzle the non-return nozzle that can move left and right along described nozzle inwall, one end that described non-return nozzle is positioned at the outlet of material pipe is shaped with spacing stone roller, the outer wall of the other end is bolted with stop nut, described non-return nozzle central shaft is to being shaped with runner, one end that described runner is positioned at the outlet of material pipe is radially shaped with runner mouth, when described stop nut contacts with described nozzle, described runner is communicated with material pipe ante-chamber by described runner mouth, when described stop nut leaves described nozzle and moves to high order end, described runner mouth is closed.
As the further optimization to technique scheme, the front end of described screw rod is provided with screw head, the left end of described screw head is shaped with card, in the groove forming between described card and described screw rod, be socketed with the check ring that can horizontally slip, the internal diameter equal and opposite in direction of the external diameter of described check ring and described material pipe, the internal diameter of described check ring is greater than the diameter of described screw head, and the gap between described check ring and described screw head is less than the width of described card.
The technical program is due to non-return nozzle being installed on nozzle, and when non-return nozzle moves to high order end, the spacing stone roller that non-return nozzle moves contacts completely with nozzle, and runner mouth is closed, and has cut off runner and has managed being communicated with of ante-chamber with material.And when the pressure of material pipe ante-chamber is larger, spacing stone roller contacts closelyr with nozzle, runner is better with the sealing effectiveness of material pipe ante-chamber, and therefore material is managed ante-chamber and can be produced larger pressure.During injection action, the check ring right side on screw head contacts with the left side of meson, makes material pipe ante-chamber form seal cavity, has guaranteed the stability of injection.
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of better embodiment of the utility model.
Fig. 2 is runner and the partial structurtes schematic diagram of material pipe ante-chamber in partition state in Fig. 1.
Fig. 3 is runner and the partial structurtes schematic diagram of material pipe ante-chamber in connected state in Fig. 1.
The specific embodiment
As Figure 1-3, the compression glue injecting device of injection machine, comprise material pipe 6, on material pipe 6, hopper 5 is housed, in described material pipe 6, be provided with screw rod 4, screw rod 4 is rotated colloidal sol, by penetrating oil cylinder drive, is carried out injection by Collosol Motor (be connected with screw rod 4 right-hand members, for clear other parts that show, do not draw this motor) drive.The exit of described material pipe 6 is provided with nozzle 7, and the non-return nozzle 8 that can move left and right along described nozzle 7 inwalls is installed on described nozzle 7.
One end that described non-return nozzle 8 is positioned at 6 outlets of material pipe is shaped with spacing stone roller 84, and spacing stone roller 84 is more bigger than the internal diameter of nozzle 7, and nozzle 7 right-hand members are shaped with the chondritic coordinating with described spacing stone roller 84 sizes.The outer wall of the other end of non-return nozzle 8 is bolted with stop nut 81.The central shaft of described non-return nozzle 8 is to being shaped with runner 82, one end that described runner 82 is positioned at 6 outlets of material pipe is radially shaped with runner mouth 83, when described stop nut 81 contacts with described nozzle 7, described runner 82 is communicated with material pipe ante-chamber 61 by described runner mouth 83, when described stop nut 81 leaves described nozzle 7 and moves to high order end, described runner 82 cuts off and being communicated with of described material pipe ante-chamber 61 by described spacing stone roller 84.
The front end of described screw rod 4 is provided with screw head 1, the left end of described screw head 1 is shaped with card 11, in the groove forming between described card 11 and described screw rod 4, be socketed with check ring 2, check ring 2 can horizontally slip in described groove, the internal diameter equal and opposite in direction of the external diameter of described check ring 2 and described material pipe 6.The internal diameter of described check ring 2 is greater than the diameter of described screw head 1, so can leave gap between check ring 2 and described screw head 1, and wherein the gap width between check ring 2 and described screw head 1 is less than the width W of described card 11.When check ring 2 slides into high order end, the left side of described check ring 2 contacts with the right side of described card 11, to prevent that check ring 2 from skidding off above-mentioned groove.
As the further optimization to technique scheme, the front end of described screw rod 4 is fixed with meson 3, and described check ring 2 is between described meson 3 and described card 11.Because check ring 2 often horizontally slips and the left side contact-impact of screw rod 4, cause the left side of screw rod 4 easily to wear and tear and scrap, replace whole screw rod 4 costs higher, set up the rear check ring 2 of meson 3 and meson 3 contact-impacts, it is lower that its alternative costs are scrapped in meson 3 wearing and tearing, therefore reduced the maintenance cost of injection machine.
The course of work of the present utility model is as follows:
Screw rod 4 is done the action of rotation colloidal sol under the drive of Collosol Motor in the material pipe 6 of heating, and the particulate resins in hopper 5 is entered after feeding pipe 6, obtains a thrust left in screw rod 4 spiral grooves, moves, and progressively dissolve to screw head 1 direction.
Check ring 2 on screw head 1 is moved to the left dissolving under resin thrust, rest in card 11 right sides, the resin dissolving is by the space between check ring 2 and meson 3, and the gap between check ring 2 and screw head 1 flows to the material pipe ante-chamber 61 in screw head 1 left side.The resin thrust of dissolving that spacing stone roller 84 in Fig. 2 position is subject in material pipe ante-chamber 61 drives whole non-return nozzle 8 to be moved to the left, until spacing stone roller 84 contacts completely with nozzle 7, as shown in Figure 3, runner mouth 83 is closed, and has cut off runner 82 and has managed being communicated with of ante-chamber 61 with material.And the pressure in material pipe ante-chamber 61 is when larger, spacing stone roller 84 contacts closelyr with nozzle 7, and runner 82 is just better with the sealing effectiveness of material pipe ante-chamber 61.The continuous increase that screw rod 4 dissolves amount of resin with material pipe ante-chamber 61 produces a reaction force, and lead-screw 4 moves right, and arrives and sets the position that colloidal sol completes, and stops colloidal sol action, and in this process, check ring 2 rests in card 11 right sides always.So far completed colloidal sol action.
While doing injection action, Collosol Motor is penetrated oil cylinder and (is positioned at the right of Collosol Motor, its piston rod is connected with Collosol Motor, for clear other parts that show, do not draw this oil cylinder) piston rod thrust effect, lead-screw 4, screw head 1 and meson 3 are moved to the left, check ring 2 keeps motionless, screw head 1 is moved to the left in process, can make screw head 1 produce a pressure at material pipe ante-chamber 61, cause the resin dissolving in material pipe ante-chamber 61 to flow to the right, until check ring 2 right sides contact with the left side of meson 3, material pipe ante-chamber 61 is dissolved to resin and form annular seal space, stop the resin that material pipe ante-chamber 61 dissolves to continue to flow to the right.Follow check ring 2 and be moved to the left with screw head 1 and meson 3, until dissolve the density pressure that resin pressure reaches setting in material pipe ante-chamber 61.Now screw rod 4 has stopped being no longer moved to the left, the start position screw rod 4 position now as injection.
Then penetrate and move oil cylinder (control the oil cylinder that whole device moves, for clear other parts that show, do not draw this oil cylinder) and drive whole device to be moved to the left, until the left end of non-return nozzle 8 and the glue-feeder of mould contact.Penetrate and move oil cylinder and continue to drive whole device to be moved to the left, but transfixion after non-return nozzle 8 wherein contacts with the glue-feeder of mould, therefore take nozzle 7 as object of reference, and non-return nozzle 8 has a relative motion to the right, until stop nut 81 contacts with nozzle 7, penetrate and move oil cylinder and stop action.In this process, runner mouth 83 is opened again gradually, runner 82 is communicated with again with material pipe ante-chamber 61, and the high-pressure resin in material pipe ante-chamber 61 injects in mould fast, and the pressure that dissolves resin due to material pipe ante-chamber 61 has reached setting pressure, response time is zero substantially, there is no the pressure loss.So far complete injection action.
More than describe preferred embodiment of the present utility model in detail.The ordinary skill that should be appreciated that this area just can be made many modifications and variations according to design of the present utility model without creative work.Therefore, all technical staff in the art, all should fall in protection domain of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment according to design of the present utility model.

Claims (2)

1. the compression glue injecting device of injection machine, comprise material pipe (6), in described material pipe (6), be provided with screw rod (4), the exit of described material pipe (6) is provided with nozzle (7), it is characterized in that being provided with on described nozzle (7) the non-return nozzle (8) that can move left and right along described nozzle (7) inwall, one end that described non-return nozzle (8) is positioned at material pipe (6) outlet is shaped with spacing stone roller (84), the outer wall of the other end is bolted with stop nut (81), described non-return nozzle (8) central shaft is to being shaped with runner (82), one end that described runner (82) is positioned at material pipe (6) outlet is radially shaped with runner mouth (83), when described stop nut (81) contacts with described nozzle (7), described runner (82) is communicated with material pipe ante-chamber (61) by described runner mouth (83), when described stop nut (81) leaves described nozzle (7) and moves to high order end, described runner mouth (83) is closed.
2. the compression glue injecting device of injection machine according to claim 1, the front end that it is characterized in that described screw rod (4) is provided with screw head (1), the left end of described screw head (1) is shaped with card (11), in the groove forming between described card (11) and described screw rod (4), be socketed with the check ring (2) that can horizontally slip, the internal diameter equal and opposite in direction of the external diameter of described check ring (2) and described material pipe (6), the internal diameter of described check ring (2) is greater than the diameter of described screw head (1), gap width between described check ring (2) and described screw head (1) is less than the width (W) of described card (11).
CN201320474541.9U 2013-08-06 2013-08-06 Compressed glue injection device of injection molding machine Active CN203485406U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320474541.9U CN203485406U (en) 2013-08-06 2013-08-06 Compressed glue injection device of injection molding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320474541.9U CN203485406U (en) 2013-08-06 2013-08-06 Compressed glue injection device of injection molding machine

Publications (1)

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CN203485406U true CN203485406U (en) 2014-03-19

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105437482A (en) * 2015-12-09 2016-03-30 荣昌精密机械(苏州)有限公司 Jet device for injection molding machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105437482A (en) * 2015-12-09 2016-03-30 荣昌精密机械(苏州)有限公司 Jet device for injection molding machine

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20170930

Address after: 318020, No. 369, Jiang Jiang Road, new front street, Huangyan District, Zhejiang, Taizhou

Patentee after: Sino Holdings Group Co., Ltd.

Address before: 318020 Taizhou Province, Huangyan District, the new front of the West Street Village

Patentee before: Zhejiang Dekuma Machinery Co., Ltd.

TR01 Transfer of patent right