CN202965122U - Mould locking device of direct pressure type injection molding machine - Google Patents
Mould locking device of direct pressure type injection molding machine Download PDFInfo
- Publication number
- CN202965122U CN202965122U CN 201220603586 CN201220603586U CN202965122U CN 202965122 U CN202965122 U CN 202965122U CN 201220603586 CN201220603586 CN 201220603586 CN 201220603586 U CN201220603586 U CN 201220603586U CN 202965122 U CN202965122 U CN 202965122U
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- CN
- China
- Prior art keywords
- oil cylinder
- mould locking
- locking oil
- mode
- mould
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a mould locking device of a direct pressure type injection molding machine. The mould locking device disclosed by the utility model comprises a mould locking oil cylinder, a movable template, a fixed template, a hydraulic ejector rod and a pull rod; one end of the pull rod is connected with the fixed template and the other end of the pull rod is connected with the mould locking oil cylinder; a bolt is arranged at a connection part between the pull rod and the mould locking oil cylinder; the hydraulic ejector rod is mounted on the movable template; the movable template is movably arranged on the pull rod; a mould locking plunger is arranged in the mould locking oil cylinder; a first opening is formed at one end of the mould locking oil cylinder; and a second opening is further formed under the mould locking oil cylinder. In use, the plasticized plastic in molten state is fast injected into a closed mould cavity by means pushing force of a screw rod (or the plunger), the plastic is fixed by a mould locking mechanism and then cured and formed to acquire a product; the mould locking device has the advantages of being simple in structure, good in parallelism, enough in mould locking force and good in overall stress, has no occurrence of the mould bulging phenomenon and has the advantages of being adjustable in mould locking force in the whole process, reliable in mechanical structure and stable in mould opening.
Description
Technical field
The utility model relates to a kind of clamping apparatus of direct press type injection moulding machine.
Background technology
Injection machine have can one-shot forming complicated, the size of external form accurately or with the ability of the dense plastic products of the quality of metal insert, be widely used in national defence, electromechanics, automobile, communications and transportation, building materials, packing, agricultural, culture, education and public health and people's daily life every field.In today that plastics industry develops rapidly, no matter injection machine quantitatively or all occupy critical role on kind, it produces the 20%-30% that sum accounts for whole plastic molding equipment, thus become increase in present plastics machinery the fastest, one of machine that production quantity is maximum.But present locking force of injection machine is difficult for adjusting, and is difficult for obtaining larger opening stroke, and kinetic characteristic is poor, and clamp force is unstable; The time that produces clamp force is longer, and this brings loss to the user, and vertical compression machine mold integral is stressed good, overall process clamp force capable of regulating, and die sinking is steady, and yield rate is high, has greatly reduced the generation of defective products.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of simple in structure, and the depth of parallelism is good, and enough clamp forces are arranged, whole stressed good, swollen mould phenomenon can not occur, overall process clamp force capable of regulating, frame for movement is reliable, and die sinking is the clamping apparatus of direct press type injection moulding machine stably.
for addressing the above problem, the utility model adopts following technical scheme: a kind of clamping apparatus of direct press type injection moulding machine, comprise Mode-locking oil cylinder, moving platen, solid plate, hydraulic mandril and pull bar, described pull bar one end is connected with solid plate, the described pull bar other end is connected with Mode-locking oil cylinder, described pull bar and Mode-locking oil cylinder connecting place are provided with bolt, described hydraulic mandril is arranged on moving platen, described moving platen is arranged on described pull bar movably, be provided with the locked mode plunger in described Mode-locking oil cylinder, also be provided with the supercharging plunger in described Mode-locking oil cylinder, described Mode-locking oil cylinder one end is provided with the first opening, described Mode-locking oil cylinder below also is provided with the second opening, described locked mode plunger is connected with described moving platen by hydraulic mandril.
As technical scheme preferably, described the first opening part is connected with supercharging plunger oil pipe.
As technical scheme preferably, described the second opening part is provided with Prefill valve, and described Prefill valve is connected with locked mode plunger oil pipe.
As technical scheme preferably, described Mode-locking oil cylinder is provided with exhaust outlet, is provided with exhaust apparatus in described exhaust outlet, and described exhaust apparatus can be discharged the waste gas in material outside barrel, make formed product speed fast, and product quality is higher.
As technical scheme preferably, described locked mode plunger and hydraulic mandril junction are provided with the first connecting bushing, also be provided with the second connecting bushing on described supercharging plunger, connecting bushing plays and connects and guide effect, makes supercharging plunger and the more stable combination of locked mode plunger.
The beneficial effect of the clamping apparatus of a kind of direct press type injection moulding machine of the utility model is: the depth of parallelism is good, enough clamp forces are arranged, swollen mould phenomenon can not occur, be particularly suitable for production large tracts of land product, the simple number of spare parts of mechanism is few, and frame for movement is reliable, die sinking is steady, especially be fit to do the product of a multi-cavity mold, yield rate is high, has greatly reduced the generation of defective products.
Description of drawings
In order to be easy to explanation, the utility model is done to describe in detail by following specific embodiment and accompanying drawing.
Fig. 1 is the structural representation under the clamping apparatus mold closing state of a kind of direct press type injection moulding machine of the present utility model;
Fig. 2 is the structural representation under the clamping apparatus die opening state of a kind of direct press type injection moulding machine of the present utility model.
The specific embodiment
the clamping apparatus of a kind of direct press type injection moulding machine as depicted in figs. 1 and 2, comprise Mode-locking oil cylinder 1, moving platen 2, solid plate 3, hydraulic mandril 4 and pull bar 5, described pull bar 5 one ends are connected with solid plate 3, described pull bar 5 other ends are connected with Mode-locking oil cylinder 1, described pull bar 5 is provided with bolt 6 with Mode-locking oil cylinder 1 connecting place, described hydraulic mandril 4 is arranged on moving platen 2, described moving platen 2 is arranged on described pull bar 5 movably, be provided with locked mode plunger 7 in described Mode-locking oil cylinder 1, also be provided with supercharging plunger 8 in described Mode-locking oil cylinder 1, described Mode-locking oil cylinder 1 one ends are provided with the first opening 9, described Mode-locking oil cylinder 1 below also is provided with the second opening 10, described locked mode plunger 7 is connected with described moving platen 2 by hydraulic mandril 4.
As technical scheme preferably, described the first opening 9 places are connected with supercharging plunger oil pipe 11.
As technical scheme preferably, described the second opening 10 places are provided with Prefill valve 12, and described Prefill valve 12 is connected with locked mode plunger oil pipe 13.
As technical scheme preferably, described Mode-locking oil cylinder 1 is provided with exhaust outlet 14, is provided with exhaust apparatus 15 in described exhaust outlet 14, and described exhaust apparatus 15 can be discharged the waste gas in material outside barrel, make formed product speed fast, and product quality is higher.
As technical scheme preferably, described locked mode plunger 7 is provided with the first connecting bushing 16 with hydraulic mandril 4 junctions, also be provided with the second connecting bushing 17 on described supercharging plunger 8, connecting bushing plays and connects and guide effect, makes supercharging plunger 8 and the more stable combination of locked mode plunger 7.
Further, described Prefill valve 12 is a kind of large-scale hydraulic control one-way valves, in gravity (or other external force drive) decline process, inside produces vacuum when Mode-locking oil cylinder, and Prefill valve 12 is opened, the oil of fuel tank enters Mode-locking oil cylinder 1 fast by locked mode plunger oil pipe 13, meeting autoshutdown when Mode-locking oil cylinder 1 boosts, remain off is when Mode-locking oil cylinder 1 is up, Prefill valve 12 needs external control oil to open, and from then on the oil of Mode-locking oil cylinder 1 return to fuel tank.
Operation principle of the present utility model is the thrust by screw rod (or plunger); the plastics of the molten condition that plastified are injected in closed good die cavity with high-voltage high-speed; be fixed by clamping mechanism, obtain the technical process of product after solidifying and setting.
The clamping apparatus of a kind of direct press type injection moulding machine of the utility model has the following advantages: simple in structure, the depth of parallelism is good, and enough clamp forces are arranged, and is whole stressed good, and swollen mould phenomenon can not occur, overall process clamp force capable of regulating, and frame for movement is reliable, and die sinking is steady.
The above be only the specific embodiment of the present utility model, but protection domain of the present utility model is not limited to this, and any variation or replacement of expecting without creative work is within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claims were limited.
Claims (5)
1. the clamping apparatus of a direct press type injection moulding machine, comprise Mode-locking oil cylinder, moving platen, solid plate, hydraulic mandril and pull bar, it is characterized in that: described pull bar one end is connected with solid plate, the described pull bar other end is connected with Mode-locking oil cylinder, described pull bar and Mode-locking oil cylinder connecting place are provided with bolt, described hydraulic mandril is arranged on moving platen, described moving platen is arranged on described pull bar movably, be provided with the locked mode plunger in described Mode-locking oil cylinder, also be provided with the supercharging plunger in described Mode-locking oil cylinder, described Mode-locking oil cylinder one end is provided with the first opening, described Mode-locking oil cylinder below also is provided with the second opening, described locked mode plunger is connected with described moving platen by hydraulic mandril.
2. the clamping apparatus of direct press type injection moulding machine according to claim 1, it is characterized in that: described the first opening part is connected with supercharging plunger oil pipe.
3. the clamping apparatus of direct press type injection moulding machine according to claim 1, it is characterized in that: described the second opening part is provided with Prefill valve, and described Prefill valve is connected with locked mode plunger oil pipe.
4. the clamping apparatus of direct press type injection moulding machine according to claim 1, it is characterized in that: described Mode-locking oil cylinder is provided with exhaust outlet, is provided with exhaust apparatus in described exhaust outlet.
5. the clamping apparatus of direct press type injection moulding machine according to claim 1 is characterized in that: described locked mode plunger and hydraulic mandril junction are provided with the first connecting bushing, also are provided with the second connecting bushing on described supercharging plunger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220603586 CN202965122U (en) | 2012-11-13 | 2012-11-13 | Mould locking device of direct pressure type injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220603586 CN202965122U (en) | 2012-11-13 | 2012-11-13 | Mould locking device of direct pressure type injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202965122U true CN202965122U (en) | 2013-06-05 |
Family
ID=48506247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220603586 Expired - Fee Related CN202965122U (en) | 2012-11-13 | 2012-11-13 | Mould locking device of direct pressure type injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202965122U (en) |
-
2012
- 2012-11-13 CN CN 201220603586 patent/CN202965122U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20131113 |