CN203665924U - Liquid filling type mold locking mechanism for plastic injection and blow molding machine - Google Patents
Liquid filling type mold locking mechanism for plastic injection and blow molding machine Download PDFInfo
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- CN203665924U CN203665924U CN201320863366.2U CN201320863366U CN203665924U CN 203665924 U CN203665924 U CN 203665924U CN 201320863366 U CN201320863366 U CN 201320863366U CN 203665924 U CN203665924 U CN 203665924U
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Abstract
The utility model discloses a liquid filling type mold locking mechanism for a plastic injection and blow molding machine. The liquid filling type mold locking mechanism comprises a workbench, wherein a lower injection mold is mounted on the workbench; vertical columns are mounted on two sides of the lower injection mold; a cross beam is mounted on the two vertical columns and is fixed on the two vertical columns through nuts; two mold opening and assembling oil cylinders with small cylinder diameters are mounted in the cross beam; piston rods of the two mold opening and assembling oil cylinders with the small cylinder diameters are connected with an injection mold assembling plate; an upper injection mold is mounted below the injection mold assembling plate; the upper injection mold is matched with the lower injection mold; the liquid filling type mold locking mechanism is characterized in that a mold locking oil cylinder with a large cylinder diameter is mounted in the cross beam; a mold locking block is arranged in the mold locking oil cylinder with the large cylinder diameter; a mold locking rod is mounted on the mold locking block and is connected with the injection mold assembling plate; a liquid filling valve is mounted on the mold locking oil cylinder with the large cylinder diameter and is connected with a liquid filling oil tank; an upper oil opening and a lower oil opening are formed in each mold opening and assembling oil cylinder with the small cylinder diameter; a high-pressure opening is formed in the mold locking oil cylinder with the large cylinder diameter; a control opening is formed in the liquid filling valve; the lower oil openings are communicated with the control opening through oil pipes; the upper oil openings and the high-pressure opening are independently communicated with the high-pressure pump through oil pipes; the liquid filling oil tank is filled with hydraulic oil.
Description
Technical field
The utility model relates to a kind of liquid-filled mold lock mold mechanism of plastic injection blow-moulding machine, belongs to plastics machinery field.
Background technology
First plastic injection blow-moulding machine plastifies into melt by plastic raw materials, then is injected into the die cavity of injection mold, forms bottle base.For ensureing to form complete bottle base, and do not occur overlap, machine must provide enough clamp forces to mould.At present, plastic injection blow-moulding machine does not all have special Mode-locking oil cylinder, but directly provides clamp force by folding mould oil cylinder, but the clamp force that mould needs when injection moulding is very large, reaches 300KN-1350KN.For obtaining enough clamp forces, plastic injection blow-moulding machine often need be equipped with the very large folding mould oil cylinder of cylinder diameter, and the oily flow needing when this just makes machine folding mould is very big, thereby makes machine have to be equipped with the hydraulic power source of large discharge capacity (as hydraulic pump), cause the energy consumption of machine large, production cost is high.
Summary of the invention
The purpose of this utility model is the shortcoming in order to overcome prior art; a kind of topping up mode that adopts is provided; only need provide compared with low discharge hydraulic oil; just can realize and open mould assembling action and high-voltage lock mould; reduce pump delivery; thereby reach energy-saving and emission-reduction, the liquid-filled clamping mechanism of cost-effective plastic injection blow-moulding machine.
The technical scheme of the liquid-filled clamping mechanism of the utility model plastic injection blow-moulding machine is: comprise workbench, injection moulding counterdie is installed on workbench, column is installed in the both sides of injection moulding counterdie, crossbeam is installed on two columns and is fixed by nut, two little cylinder diameter folding mould oil cylinders are installed in crossbeam, the piston rod of two little cylinder diameter folding mould oil cylinders connects injection moulding shuttering, injection moulding patrix is installed under injection moulding shuttering, injection moulding patrix matches with injection moulding counterdie, it is characterized in that, in described crossbeam, large cylinder diameter Mode-locking oil cylinder is installed, in large cylinder diameter Mode-locking oil cylinder, lock module is set, locked mode bar is installed on lock module, locked mode bar connects injection moulding shuttering, on large cylinder diameter Mode-locking oil cylinder, prefill valve is installed, on prefill valve, connect surge-tank, described little cylinder diameter folding mould oil cylinder is provided with hydraulic fluid port and lower hydraulic fluid port, large cylinder diameter Mode-locking oil cylinder is provided with high-pressure mouth, in prefill valve, be provided with and control mouth, lower hydraulic fluid port is communicated with and controls mouth through oil pipe, upper hydraulic fluid port and high-pressure mouth respectively hang oneself oil pipe be communicated with high-pressure pump, in surge-tank, there is hydraulic oil.
The utility model discloses the liquid-filled clamping mechanism of a kind of plastic injection blow-moulding machine, in the time that machine starts matched moulds, it is descending that the little cylinder diameter folding mould oil cylinder of both sides promotes injection moulding patrix through piston rod, and drive the locked mode bar of large cylinder diameter Mode-locking oil cylinder descending, make the rodless cavity of large cylinder diameter Mode-locking oil cylinder form negative pressure, hydraulic oil in surge-tank relies on the fluid pressure of atmospheric pressure and the poor formation of liquid level, and overcome the resistance of prefill valve, enter in large cylinder diameter Mode-locking oil cylinder, after matched moulds puts in place, high-pressure pump is squeezed into high-pressure oil in the high-pressure mouth of large cylinder diameter Mode-locking oil cylinder and in the upper hydraulic fluid port of little cylinder diameter folding mould oil cylinder separately, make large cylinder diameter Mode-locking oil cylinder and little cylinder diameter folding mould oil cylinder produce clamp force, reach the object of high-voltage lock mould.When die sinking, little cylinder diameter folding mould oil cylinder is up, the action of the die sinking of the lower hydraulic fluid port of the mould oil cylinder of cylinder diameter folding from childhood simultaneously hydraulic oil is opened the control mouth of prefill valve, make the prefill valve can reverse circulated, realize the rodless cavity pressure release of large cylinder diameter Mode-locking oil cylinder, the hydraulic oil of rodless cavity turns back in surge-tank in die sinking process simultaneously.The feature of this programme is to adopt special large cylinder diameter Mode-locking oil cylinder, and is separately equipped with little cylinder diameter folding mould oil cylinder, and large cylinder diameter Mode-locking oil cylinder does not participate in out mould assembling action, only provides clamp force for mould (injection moulding patrix and injection moulding counterdie).Because large cylinder diameter Mode-locking oil cylinder has independently surge-tank, and surge-tank is positioned at the top of large cylinder diameter Mode-locking oil cylinder, the interior hydraulic oil of surge-tank overcomes prefill valve spring resistance by means of the fluid pressure of atmospheric pressure and the poor formation of liquid level and enters in large cylinder diameter Mode-locking oil cylinder, whole opening in mould assembling action, only have the actuator of little cylinder diameter folding mould oil cylinder as action, so hydraulic system only need provide compared with low discharge hydraulic oil to little cylinder diameter folding mould oil cylinder, without providing flow to large cylinder diameter Mode-locking oil cylinder, just can realize and open mould assembling action and high-voltage lock mould, greatly reduce high pressure pump delivery, thereby reach energy-conservation and object cost saving.
The liquid-filled clamping mechanism of plastic injection blow-moulding machine of the present utility model, mounting flange on described injection moulding shuttering, the head of locked mode bar is connected on flange, and it is firm to connect.On described injection moulding shuttering, little food tray is installed, the head of the piston rod of folding mould oil cylinder is connected on little food tray, easy to connect.
Brief description of the drawings
Fig. 1 is the liquid-filled clamping mechanism die opening state of the utility model plastic injection blow-moulding machine schematic diagram;
Fig. 2 is the liquid-filled clamping mechanism matched moulds of the utility model plastic injection blow-moulding machine mode-lock status schematic diagram.
Detailed description of the invention
The utility model relates to the liquid-filled clamping mechanism of a kind of plastic injection blow-moulding machine, as Fig. 1, shown in Fig. 2, comprise workbench 13, injection moulding counterdie 12 is installed on workbench, column 11 is installed in the both sides of injection moulding counterdie, crossbeam 7 is installed on two columns and is fixed by nut 6, two little cylinder diameter folding mould oil cylinders 1 are installed in crossbeam 7, the piston rod 21 of two little cylinder diameter folding mould oil cylinders 1 connects injection moulding shuttering 9, injection moulding patrix 10 is installed under injection moulding shuttering, injection moulding patrix 10 matches with injection moulding counterdie 12, large cylinder diameter Mode-locking oil cylinder 4 is installed in described crossbeam 7, in large cylinder diameter Mode-locking oil cylinder 4, lock module 19 is set, locked mode bar 20 is installed on lock module 19, locked mode bar 20 connects injection moulding shuttering 9, on large cylinder diameter Mode-locking oil cylinder 4, prefill valve 3 is installed, on prefill valve, connect surge-tank 2, described little cylinder diameter folding mould oil cylinder 1 is provided with hydraulic fluid port 17 and lower hydraulic fluid port 18, large cylinder diameter Mode-locking oil cylinder 4 is provided with high-pressure mouth 16, in prefill valve 3, be provided with and control mouth 15, lower hydraulic fluid port 18 is communicated with and controls mouth 15 through oil pipe, upper hydraulic fluid port 17 and high-pressure mouth 16 respectively hang oneself oil pipe be communicated with high-pressure pump, in surge-tank 2, there is hydraulic oil 14.In the time that machine starts matched moulds, it is descending that the little cylinder diameter folding mould oil cylinder 1 of both sides promotes injection moulding patrix 10 through piston rod 21, and drive the locked mode bar of large cylinder diameter Mode-locking oil cylinder 4 descending, make the rodless cavity of large cylinder diameter Mode-locking oil cylinder 4 form negative pressure, hydraulic oil in surge-tank 2 relies on the fluid pressure of atmospheric pressure and the poor formation of liquid level, and overcome the resistance of prefill valve 3, enter in large cylinder diameter Mode-locking oil cylinder 4, after matched moulds puts in place, high-pressure pump is squeezed into high-pressure oil in the high-pressure mouth 16 of large cylinder diameter Mode-locking oil cylinder 4 and in the upper hydraulic fluid port 17 of little cylinder diameter folding mould oil cylinder 1 separately, make large cylinder diameter Mode-locking oil cylinder 4 and little cylinder diameter folding mould oil cylinder 1 produce clamp force, reach the object of high-voltage lock mould.When die sinking, little cylinder diameter folding mould oil cylinder 1 is up, the action of the die sinking of the lower hydraulic fluid port 18 of the mould oil cylinder of cylinder diameter folding from childhood 1 simultaneously hydraulic oil is opened the control mouth 15 of prefill valve 3, make the prefill valve 3 can reverse circulated, realize the rodless cavity pressure release of large cylinder diameter Mode-locking oil cylinder 4, the hydraulic oil of rodless cavity turns back in surge-tank 2 in die sinking process simultaneously.Described prefill valve 3 is a check valve, and primary structure comprises valve body 31, and spring 32 and valve rod 33 are set in valve body 31, and valve rod 33 connects valve ball 34, and valve ball 34 matches with valve opening 35, belongs to prior art, on sale on market.The feature of this programme is to adopt special large cylinder diameter Mode-locking oil cylinder, and is separately equipped with little cylinder diameter folding mould oil cylinder, and large cylinder diameter Mode-locking oil cylinder does not participate in out mould assembling action, only provides clamp force for mould (injection moulding patrix and injection moulding counterdie).Because large cylinder diameter Mode-locking oil cylinder has independently surge-tank, and surge-tank is positioned at the top of large cylinder diameter Mode-locking oil cylinder, the interior hydraulic oil of surge-tank overcomes prefill valve spring resistance by means of the fluid pressure of atmospheric pressure and the poor formation of liquid level and enters in large cylinder diameter Mode-locking oil cylinder, whole opening in mould assembling action, only have the actuator of little cylinder diameter folding mould oil cylinder as action, so hydraulic system only need provide compared with low discharge hydraulic oil to little cylinder diameter folding mould oil cylinder, without providing flow to large cylinder diameter Mode-locking oil cylinder, just can realize and open mould assembling action and high-voltage lock mould, greatly reduce high pressure pump delivery, thereby reach energy-conservation and object cost saving.Mounting flange 5 on described injection moulding shuttering 9, the head of locked mode bar 20 is connected on flange 5, and it is firm to connect.Little food tray 8 is installed on described injection moulding shuttering 9, and the head of the piston rod 21 of folding mould oil cylinder 1 is connected on little food tray 8, easy to connect.
Claims (3)
1. the liquid-filled clamping mechanism of plastic injection blow-moulding machine, comprise workbench (13), injection moulding counterdie (12) is installed on workbench, column (11) is installed in the both sides of injection moulding counterdie, crossbeam (7) is installed on two columns and is fixed by nut (6), two little cylinder diameter folding mould oil cylinders (1) are installed in crossbeam (7), the piston rod (21) of two little cylinder diameter folding mould oil cylinders (1) connects injection moulding shuttering (9), injection moulding patrix (10) is installed under injection moulding shuttering, injection moulding patrix (10) matches with injection moulding counterdie (12), it is characterized in that the large cylinder diameter Mode-locking oil cylinder of installation (4) in described crossbeam (7), in large cylinder diameter Mode-locking oil cylinder (4), lock module (19) is set, the upper locked mode bar (20) of installing of lock module (19), locked mode bar (20) connects injection moulding shuttering (9), the upper prefill valve (3) of installing of large cylinder diameter Mode-locking oil cylinder (4), on prefill valve, connect surge-tank (2), described little cylinder diameter folding mould oil cylinder (1) is provided with hydraulic fluid port (17) and lower hydraulic fluid port (18), large cylinder diameter Mode-locking oil cylinder (4) is provided with high-pressure mouth (16), in prefill valve (3), be provided with and control mouthful (15), lower hydraulic fluid port (18) is communicated with and controls mouthful (15) through oil pipe, upper hydraulic fluid port (17) and high-pressure mouth (16) respectively hang oneself oil pipe be communicated with high-pressure pump, in surge-tank (2), there is hydraulic oil (14).
2. the liquid-filled clamping mechanism of plastic injection blow-moulding machine as claimed in claim 1, is characterized in that the upper mounting flange (5) of described injection moulding shuttering (9), and the head of locked mode bar (20) is connected on flange (5).
3. the liquid-filled clamping mechanism of plastic injection blow-moulding machine as claimed in claim 1, is characterized in that the upper little food tray (8) of installing of described injection moulding shuttering (9), and the head of the piston rod (21) of little cylinder diameter folding mould oil cylinder (1) is connected on little food tray (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320863366.2U CN203665924U (en) | 2013-12-26 | 2013-12-26 | Liquid filling type mold locking mechanism for plastic injection and blow molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320863366.2U CN203665924U (en) | 2013-12-26 | 2013-12-26 | Liquid filling type mold locking mechanism for plastic injection and blow molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203665924U true CN203665924U (en) | 2014-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320863366.2U Withdrawn - After Issue CN203665924U (en) | 2013-12-26 | 2013-12-26 | Liquid filling type mold locking mechanism for plastic injection and blow molding machine |
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|---|---|
| CN (1) | CN203665924U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722730A (en) * | 2013-12-26 | 2014-04-16 | 浙江科力塑料机械有限公司 | Liquid-filled clamping mechanism of plastic injection molding machine |
| CN106182656A (en) * | 2016-08-30 | 2016-12-07 | 江苏维达机械有限公司 | Injection blow molding machine clamping mechanism |
| CN106968992A (en) * | 2016-11-18 | 2017-07-21 | 罗生权 | The two-template injection molding machine or two template press of replenishing valve are set in pressurizing cylinder |
-
2013
- 2013-12-26 CN CN201320863366.2U patent/CN203665924U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722730A (en) * | 2013-12-26 | 2014-04-16 | 浙江科力塑料机械有限公司 | Liquid-filled clamping mechanism of plastic injection molding machine |
| CN103722730B (en) * | 2013-12-26 | 2015-12-30 | 浙江科力塑料机械有限公司 | The liquid-filled clamping mechanism of plastic injection blow-moulding machine |
| CN106182656A (en) * | 2016-08-30 | 2016-12-07 | 江苏维达机械有限公司 | Injection blow molding machine clamping mechanism |
| CN106182656B (en) * | 2016-08-30 | 2018-06-26 | 江苏维达机械有限公司 | Injection blow molding machine clamping mechanism |
| CN106968992A (en) * | 2016-11-18 | 2017-07-21 | 罗生权 | The two-template injection molding machine or two template press of replenishing valve are set in pressurizing cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140625 Effective date of abandoning: 20151230 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |