CN214687786U - Low-pressure mold protection device of injection molding machine - Google Patents
Low-pressure mold protection device of injection molding machine Download PDFInfo
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- CN214687786U CN214687786U CN202120841916.5U CN202120841916U CN214687786U CN 214687786 U CN214687786 U CN 214687786U CN 202120841916 U CN202120841916 U CN 202120841916U CN 214687786 U CN214687786 U CN 214687786U
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Abstract
The utility model discloses an injection molding machine low pressure mould protection device in injection molding machine technical field, including workstation, forming mechanism, elevating system, protection mechanism and controlling means, forming mechanism passes through bolt fixed connection and is in the top left side of workstation, elevating system passes through bolt fixed connection and is in forming mechanism's inner chamber top left side, protection mechanism passes through bolt fixed connection and is in the top right side of workstation, controlling means passes through bolt fixed connection and is in forming mechanism's top left side, controlling means pass through the electric wire with protection mechanism electric connection, this injection molding machine low pressure mould protection device, structural design is reasonable, realizes the mode locking through the pressure size of regulation control hydro-cylinder, can not cause the damage of mould and template when the foreign matter appears on the mould and is pressed from both sides.
Description
Technical Field
The utility model relates to an injection molding machine technical field specifically is an injection molding machine low pressure mould protection device.
Background
An injection molding machine, also known as an injection molding machine or an injection molding machine, is a main molding device for molding thermoplastic plastics or thermosetting plastics into plastic products of various shapes by using a plastic molding mold. The injection molding machine can heat plastic, apply high pressure to the molten plastic, and inject the plastic to fill the mold cavity.
The existing injection molding machine does not have a corresponding protection device in the process of injection molding and mold locking, the mold locking process is realized by pressure applied by an oil cylinder, the pressure is consistent and cannot be adjusted, foreign matters are clamped in the operation process, and the damage to a mold and a template is directly caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an injection molding machine low pressure mould protection device to it does not have corresponding protection device at the in-process of the mode locking of moulding plastics to have proposed current injection molding machine among the solution above-mentioned background art, and the process of mode locking is realized to the pressure of applying through the hydro-cylinder, because pressure size is unanimous, can't adjust, appears the problem that the foreign matter was pressed from both sides at the operation process.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an injection molding machine low pressure mould protection device, includes workstation, forming mechanism, elevating system, protection mechanism and controlling means, forming mechanism passes through bolt fixed connection and is in the top left side of workstation, elevating system passes through bolt fixed connection and is in forming mechanism's inner chamber top left side, protection mechanism passes through bolt fixed connection and is in the top right side of workstation, controlling means passes through bolt fixed connection and is in forming mechanism's top left side, controlling means pass through the electric wire with protection mechanism electric connection.
Preferably, the forming mechanism comprises a mold, a limiting rod, an installation top plate and a template, wherein the limiting rod is fixedly connected to four corners of the top of the mold through bolts, the installation top plate is fixedly connected to the top of the limiting rod through bolts, and the template is slidably connected to the outer side wall of the limiting rod.
Preferably, elevating system includes mode locking hydro-cylinder, piston oil blanket and telescopic link, piston oil blanket sliding connection be in the inner chamber of mode locking hydro-cylinder, the telescopic link spiro union is in department in the middle of the bottom of piston oil blanket, the bottom of telescopic link runs through the mode locking hydro-cylinder and extend to the bottom of mode locking hydro-cylinder, and the spiro union is in the middle of the top of template department.
Preferably, the protection mechanism comprises a three-position four-way electromagnetic directional valve, a first connecting pipe and a second connecting pipe, the first connecting pipe is in threaded connection with the left side of the top of the three-position four-way electromagnetic directional valve, and the second connecting pipe is in threaded connection with the right side of the top of the three-position four-way electromagnetic directional valve.
Preferably, the left side of the lower part of the three-position four-way electromagnetic directional valve is connected with an oil pump through a pipeline, the bottom of the oil pump is fixedly connected with a motor through a bolt, the right side of the lower part of the three-position four-way electromagnetic directional valve is connected with a first oil tank through a pipeline, and the motor and the first oil tank are fixedly connected to the right side of the top of the workbench through a bolt.
Preferably, the left side of the top of the second connecting pipe is in threaded connection with a return pipe, the upper end of the return pipe is fixedly connected with an electromagnetic overflow valve through a flange, the lower end of the return pipe is fixedly connected with a cartridge valve through a flange, the tail end of the return pipe is in threaded connection with a second oil tank, and the second oil tank is fixedly connected to the right side of the top of the mounting top plate through a bolt.
Compared with the prior art, the beneficial effects of the utility model are that: the low-pressure mold protection device of the injection molding machine is started by the motor, the motor drives the oil pump to work, the oil pump conveys hydraulic oil in the first oil tank to the upper part of the inner cavity of the mold locking oil cylinder through the first connecting pipe on the three-position four-way electromagnetic directional valve, meanwhile, the hydraulic oil at the lower part in the mold locking oil cylinder is output through the second connecting pipe, and enters the second oil tank through the return pipe, the electromagnetic overflow valve and the cartridge valve work when the return pipe conveys the liquid oil, the oil pressure of the returned hydraulic oil is controlled to ensure that the lower part of the inner cavity of the mold locking oil cylinder forms tiny pressure, and is less than the pressure at the upper part of the inner cavity of the mold locking oil cylinder, so that the piston oil seal drives the telescopic rod to descend, the telescopic rod drives the template to descend to the top of the mold, the mold locking is realized, the mode locking is realized by adjusting the pressure of the control oil cylinder, so that the damage to the mold and the template can not be caused when foreign matters are clamped on the mold.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic sectional view of the front view of the present invention;
fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.
In the figure: 100. a work table; 200. a molding mechanism; 210. a mold; 220. a limiting rod; 230. installing a top plate; 240. a template; 300. a lifting mechanism; 310. a mold locking oil cylinder; 320. a piston oil seal; 330. a telescopic rod; 400. a protection mechanism; 410. a three-position four-way electromagnetic directional valve; 411. an oil pump; 412. a motor; 413. a first oil tank; 420. a first connecting pipe; 430. a second connecting pipe; 431. a return pipe; 432. an electromagnetic spill valve; 433. a cartridge valve; 434. a second oil tank; 500. and a control device.
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.
The utility model provides a low-pressure mold protection device of an injection molding machine, which is used for adjusting pressure and protecting low pressure, and please refer to fig. 1-3, and comprises a workbench 100, a forming mechanism 200, a lifting mechanism 300, a protection mechanism 400 and a control device 500;
referring to fig. 1-2, the working table 100 is used for installing the support molding mechanism 200, the lifting mechanism 300, the protection mechanism 400 and the control device 500;
referring to fig. 2, a forming mechanism 200 is fixedly connected to the left side of the top of the worktable 100 by bolts, and the forming mechanism 200 is used for an injection molding machine;
referring to fig. 3, the lifting mechanism 300 is fixedly connected to the left side of the top of the inner cavity of the forming mechanism 200 by bolts, and the lifting mechanism 300 is used for lifting the injection mold plate 240;
referring to fig. 2 again, the protection mechanism 400 is fixedly connected to the right side of the top of the workbench 100 by bolts, and the protection mechanism 400 is used for adjusting and controlling the pressure of the mold locking cylinder 310;
referring to fig. 1-2 again, the control device 500 is electrically connected to the protection mechanism 400 through an electric wire, the control device 500 is fixedly connected to the left side of the top of the forming mechanism 200 through a bolt, and the control device 500 is used for controlling and adjusting the protection mechanism 400.
Referring to fig. 2 again, in order to improve the stability of the mold 210 and the mold plate 240 when the mold 210 and the mold plate 240 are closed, the molding mechanism 200 includes a mold 210, a limiting rod 220, a top installation plate 230 and a mold plate 240, the limiting rod 220 is fixedly connected to four corners of the top of the mold 210 through bolts, the top installation plate 230 is fixedly connected between the tops of the limiting rods 220 through bolts, and the mold plate 240 is slidably connected between outer sidewalls of the limiting rods 220.
Referring to fig. 3 again, in order to improve the efficiency of mold locking, the lifting mechanism 300 includes a mold locking cylinder 310, a piston oil seal 320 and an expansion link 330, the piston oil seal 320 is slidably connected to the inner cavity of the mold locking cylinder 310, the expansion link 330 is screwed to the middle of the bottom of the piston oil seal 320, and the bottom end of the expansion link 330 penetrates through the mold locking cylinder 310 and extends to the bottom of the mold locking cylinder 310 and is screwed to the middle of the top of the mold plate 240.
Referring to fig. 2 again, in order to adjust the pressure of the mold locking cylinder 310 to protect the mold locking process, the protection mechanism 400 includes a three-position four-way electromagnetic directional valve 410, a first connection pipe 420 and a second connection pipe 430, the first connection pipe 420 is screwed to the left side of the top of the three-position four-way electromagnetic directional valve 410, and the second connection pipe 430 is screwed to the right side of the top of the three-position four-way electromagnetic directional valve 410.
Referring to fig. 2 again, in order to realize communication control between the pipelines, the left side below the three-position four-way electromagnetic directional valve 410 is connected with an oil pump 411 through a pipeline, the bottom of the oil pump 411 is fixedly connected with a motor 412 through a bolt, the right side below the three-position four-way electromagnetic directional valve 410 is connected with a first oil tank 413 through a pipeline, and the motor 412 and the first oil tank 413 are fixedly connected to the right side of the top of the workbench 100 through bolts.
Referring to fig. 2 again, in order to recycle the hydraulic oil in the pipeline, a return pipe 431 is screwed to the left side of the top of the second connecting pipe 430, an electromagnetic overflow valve 432 is fixedly connected to the upper end of the return pipe 431 through a flange, a cartridge valve 433 is fixedly connected to the lower end of the return pipe 431 through a flange, a second oil tank 434 is screwed to the tail end of the return pipe 431, and the second oil tank 434 is fixedly connected to the right side of the top of the mounting top plate 230 through a bolt.
When the injection molding machine is used for processing, a person skilled in the art starts the injection molding machine and the protection device through the control device 500 by electrifying the injection molding machine, sets the pressure of the mold locking cylinder 310 through the control device 500, drives the oil pump 411 through the starting motor 412, conveys the hydraulic oil in the first oil tank 413 to the upper part of the inner cavity of the mold locking cylinder 310 through the first connecting pipe 420 on the three-position four-way electromagnetic directional valve 410 by the oil pump 411, simultaneously outputs the hydraulic oil at the lower part of the inner cavity of the mold locking cylinder 310 through the second connecting pipe 430 and enters the second oil tank 434 through the return pipe 431, when the return pipe 431 conveys the hydraulic oil, the electromagnetic overflow valve 432 and the cartridge valve 433 work to control the oil pressure of the returned hydraulic oil, so that the lower part of the inner cavity of the mold locking cylinder 310 forms a slight pressure and is smaller than the pressure at the upper part of the inner cavity of the mold locking cylinder 310, the piston oil seal 320 drives the telescopic rod 330 to descend, the telescopic rod 330 drives the template 240 to descend to the top of the mold 210, mold locking is achieved, after mold locking is completed, injection molding is conducted on the interior of the mold 210 through an injection molding machine, and injection molding is completed.
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.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. The utility model provides an injection molding machine low pressure mould protection device which characterized in that: including workstation (100), forming mechanism (200), elevating system (300), protection mechanism (400) and controlling means (500), forming mechanism (200) is in through bolt fixed connection the top left side of workstation (100), elevating system (300) is in through bolt fixed connection the inner chamber top left side of forming mechanism (200), protection mechanism (400) is in through bolt fixed connection the top right side of workstation (100), controlling means (500) is in through bolt fixed connection the top left side of forming mechanism (200), controlling means (500) pass through the electric wire with protection mechanism (400) electric connection.
2. The low-pressure mold protection device of an injection molding machine according to claim 1, wherein: the forming mechanism (200) comprises a die (210), a limiting rod (220), a mounting top plate (230) and a template (240), wherein the limiting rod (220) is fixedly connected to four corners of the top of the die (210) through bolts, the mounting top plate (230) is fixedly connected between the tops of the limiting rod (220) through bolts, and the template (240) is slidably connected between the outer side walls of the limiting rod (220).
3. The low-pressure mold protection device of an injection molding machine according to claim 1, wherein: elevating system (300) is including mode locking hydro-cylinder (310), piston oil blanket (320) and telescopic link (330), piston oil blanket (320) sliding connection be in the inner chamber of mode locking hydro-cylinder (310), telescopic link (330) spiro union is in the middle of the bottom of piston oil blanket (320), the bottom of telescopic link (330) is run through mode locking hydro-cylinder (310) and extend to the bottom of mode locking hydro-cylinder (310), and the spiro union is in the middle of the top of template (240).
4. The low-pressure mold protection device of an injection molding machine according to claim 1, wherein: the protection mechanism (400) comprises a three-position four-way electromagnetic directional valve (410), a first connecting pipe (420) and a second connecting pipe (430), wherein the first connecting pipe (420) is in threaded connection with the left side of the top of the three-position four-way electromagnetic directional valve (410), and the second connecting pipe (430) is in threaded connection with the right side of the top of the three-position four-way electromagnetic directional valve (410).
5. The low-pressure mold protection device of an injection molding machine according to claim 4, wherein: the utility model discloses a hydraulic oil pump, including workstation (100), tribit four-way electromagnetic directional valve (410), bolt fixedly connected with motor (412) are passed through to the below left side of tribit four-way electromagnetic directional valve (410) through pipe connection, the bottom of oil pump (411) is passed through bolt fixedly connected with motor (412), the below right side of tribit four-way electromagnetic directional valve (410) is passed through pipe connection and is had first oil tank (413), motor (412) with first oil tank (413) are in through bolt fixed connection the top right side of workstation (100).
6. The low-pressure mold protection device of an injection molding machine according to claim 4, wherein: a return pipe (431) is screwed on the left side of the top of the second connecting pipe (430), the upper end of the return pipe (431) is fixedly connected with an electromagnetic overflow valve (432) through a flange, the lower end of the return pipe (431) is fixedly connected with a cartridge valve (433) through a flange, the tail end of the return pipe (431) is screwed with a second oil tank (434), and the second oil tank (434) is fixedly connected on the right side of the top of the mounting top plate (230) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120841916.5U CN214687786U (en) | 2021-04-23 | 2021-04-23 | Low-pressure mold protection device of injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120841916.5U CN214687786U (en) | 2021-04-23 | 2021-04-23 | Low-pressure mold protection device of injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214687786U true CN214687786U (en) | 2021-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120841916.5U Active CN214687786U (en) | 2021-04-23 | 2021-04-23 | Low-pressure mold protection device of injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214687786U (en) |
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2021
- 2021-04-23 CN CN202120841916.5U patent/CN214687786U/en active Active
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