CN102336009A - Mould clamping method of plastic projecting machine - Google Patents
Mould clamping method of plastic projecting machine Download PDFInfo
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- CN102336009A CN102336009A CN2010102290072A CN201010229007A CN102336009A CN 102336009 A CN102336009 A CN 102336009A CN 2010102290072 A CN2010102290072 A CN 2010102290072A CN 201010229007 A CN201010229007 A CN 201010229007A CN 102336009 A CN102336009 A CN 102336009A
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- guide rod
- die holder
- positioning body
- trip
- radially
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Abstract
The invention discloses a mould clamping method of a plastic projecting machine, which comprises the following steps of: a, fixedly arranging at least one location body and at least one location unit with a clamping tenon on a movable mould base; b, arranging at least one guide rod in a fixed mould base, the movable mould base and all location bodies in a penetrating manner, and enabling one end of each guide rod to be fixedly arranged on the fixed mould base; and c, when the movable mould base and the fixed mould base are closed, controlling the location unit to ensure that the clamping tenon to be radially clamped against between the guide rod and the location body along of the guide rod, and before the movable mould base and the fixed mould base are opened, controlling the location unit to ensure that the clamping tenon to be radially separated from between the guide rod and the location body along the guide rod. After the mould clamping method is used, when a larger mould clamping force needs to be obtained, the larger mould clamping force can be obtained under the condition of unchanging the space required by mould clamping by only selecting the location bodies, the clamping tenons and the guide rods with higher structure strength, so that the mould clamping operation is completed.
Description
Technical field
The present invention relates to a kind of locked mode method of plastics ejaculator.
Background technology
At present, the locked mode method of general plastics ejaculator all need use the bent hand of large-scale cylinder or utilization to reach the effect of amplifying clamp force.Fig. 1 is a kind of clamping apparatus of existing direct press type, and the clamping apparatus of this direct press type must use a large-scale cylinder pressure 11 to promote movable die holder 12; Fig. 2 is the clamping apparatus of another kind of direct press type, and the clamping apparatus of this direct press type utilizes tie-rod 13 double as to move oil hydraulic cylinder, is done to do the locked mode action by oil hydraulic cylinder 14 again after the pattern action by tie-rod 13.More than two kinds of locked mode modes all need large-scale cylinder pressure reach due clamp force, yet this clamp force all only is to reach by exerting oneself of cylinder pressure itself, therefore; Clamp force is subject to exerting oneself of cylinder pressure, once when needing bigger clamp force, just must use large-scale relatively cylinder pressure; But large-scale cylinder pressure cost is high, needs to use the piping method of big caliber; Take up space again, therefore, existing clamping apparatus has necessity of further improvement.
Fig. 3 has shown the clamping apparatus of existing toggle formula, though the locked mode mode of this toggle formula more small-sized cylinder pressure 15 capable of using utilizes toggle 16 to be amplified to required clamp force; But its member is many; Assembling is difficult for, and institute takes up space greatly the degree of difficulty that can raise the cost and keep in repair.
Summary of the invention
The technical problem that the present invention will solve provides a kind of locked mode method of plastics ejaculator, and it can not change under the required space of locked mode, increases clamp force.
For solving the problems of the technologies described above, the locked mode method of plastics ejaculator of the present invention comprises the following step:
(a) getting the positioning unit that a positioning body and has trip at least is installed on the movable die holder of plastics ejaculator;
(b) get fixedly die holder, movable die holder and each positioning body that a guide rod is placed through the plastics ejaculator at least, and an end of each guide rod is installed in fixedly on the die holder;
(c) when movable die holder and fixedly behind the die holder matched moulds; The control positioning unit makes its trip along radially the fastening between guide rod and positioning body of guide rod, when movable die holder and fixedly before the die holder die sinking; The control positioning unit makes its trip radially breaking away between guide rod and the positioning body along guide rod.
According to the present invention-and embodiment, each positioning body of step (a) has a draw-in groove, and it is protruding towards the card that radially is shaped of guide rod that this draw-in groove cell wall has plural number, and block respectively that to form a card between protruding recessed; Each guide rod of this step (b) axially has the tooth section of a corresponding positioning body draw-in groove along it, and each tooth section has along the guide rod latch of formed thereby radially, forms a mark of mouth between each latch.
According to the present invention-embodiment; The all sides of each trip in the step (a) have the protuberance that correspondence fastens and guide rod mark of mouth recessed in the positioning body card; And form between each protuberance and supply the recess that the positioning body card is protruding and guide rod latch correspondence fastens; The trip of positioning unit along guide rod radially fasten between guide rod and positioning body the time, the oblique contract effect between protuberance and the recessed and mark of mouth of card, and recess and card is protruding and latch between oblique contract effect; Make guide rod produce axial tension, fixedly die holder and movable die holder tension.
According to the present invention-and embodiment, an end of each guide rod of step (b) is a stiff end, after this stiff end passed fixedly die holder, locking had a latch fitting.
According to the present invention-and embodiment, each positioning unit of step (a) connects drive one trip by at least one cylinder pressure and forms.
The locked mode method of plastics ejaculator of the present invention is at the movable die holder of plastics ejaculator and fixedly behind the die holder matched moulds, through the control positioning unit; Make trip between guide rod and positioning body, accomplish the locked mode operation along radially fastening of guide rod; Therefore, obtain bigger clamp force, as long as choose the stronger positioning body of structural strength, trip and guide rod; Large-scale cylinder pressure need be installed; Need not utilize toggle to reach required clamp force yet, thereby be able to do not changing under the required space of locked mode, increase clamp force.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further detailed explanation:
Fig. 1 is the partial schematic diagram of existing direct press type plastics ejaculator;
Fig. 2 is the partial schematic diagram of existing tie-rod formula plastics ejaculator;
Fig. 3 is the partial schematic diagram of existing toggle formula plastics ejaculator;
Fig. 4 is a locked mode method flow diagram of the present invention;
Fig. 5 is a schematic perspective view of the present invention, show events die holder and the fixing die holder state of matched moulds not;
Fig. 6 is a generalized section of the present invention, show events die holder and the fixing die holder state of matched moulds not;
Fig. 7 is a schematic perspective view of the present invention, and the show events die holder reaches the fixedly state of die holder matched moulds;
Fig. 8 is a generalized section of the present invention, and the show events die holder reaches the fixedly state of die holder matched moulds;
Fig. 9 is a schematic perspective view of the present invention, the show events die holder and fixedly die holder carry out the state of locked mode;
Figure 10 A is a generalized section of the present invention, the show events die holder and fixedly die holder carry out the state of locked mode;
Figure 10 B is the partial enlarged drawing of 10A figure;
Figure 11 is a generalized section of the present invention, and step display (a) is got single positioning body and single positioning unit, and step (b) is got the state of single guide rod;
Figure 12 is a schematic perspective view of the present invention, and the positioning unit in the step display (a) drives two by single cylinder pressure and is connected to the state that the shape trip is formed.
Description of reference numerals is following among the figure:
11: cylinder pressure 12: movable die holder 13: tie-rod
14: oil hydraulic cylinder 15: cylinder pressure 16: toggle
21: nozzle 22: fixedly die holder 221: master mold
23: movable die holder 231: male model 30: positioning body
31: draw-in groove 311: block protruding 312: block recessed
40: positioning unit 41: cylinder pressure 42: trip
421: protuberance 422: protuberance 423: recess
424: recess 50: guide rod 51: stiff end
52: latch fitting 53: tooth section 531: latch
532: mark of mouth X: axial Y: radially
The specific embodiment
Understand for technology contents of the present invention, characteristics and effect being had more specifically, combine illustrated embodiment at present, details are as follows:
Consult Fig. 4,5,6; The locked mode method of a kind of plastics ejaculator that the embodiment of the invention provided, this plastics ejaculator comprise the movable die holder 23 that fixedly die holder 22 and that a nozzle 21, is provided with master mold 221 is provided with male model 231, and movable die holder 23 can towards fixing die holder 22 move or away from; Carry out matched moulds and die sinking action to accomplish male and female mould 231,221; And since movable die holder 23 can towards fixing die holder 22 move or away from belong to prior art as flowing mode, for example be automatic or manual, promptly cylinder pressure drive, the movable or manual work drive etc. along guide rail; So repeat no more, comprise the following step as for locked mode method of the present invention at this:
(a) get the positioning unit 40 that two positioning bodies 30 and two have trip 42 and be installed on the movable die holder 23 of plastics ejaculator, each connects and drives 42 of trips and form each positioning unit 40 by two cylinder pressures 41.
(b) get two have an axial X and radially the guide rod 50 of Y be placed through fixedly die holder 22, movable die holder 23 and each positioning body 30 of plastics ejaculator; And an end that makes each guide rod 50 is installed in fixedly on the die holder 22; And make activity die holder 23 can along guide rod 50 axially lean on into or away from fixing die holder 22; Carrying out matched moulds or die sinking action, and to make an end of each guide rod 50 be stiff end 51, after stiff end 51 passes fixedly die holder 22; Locking has a latch fitting 52, and an end of each guide rod 50 is installed in fixedly on the die holder 22.
Wherein, each positioning body 30 of step (a) has a draw-in groove 31, and it is protruding 311 towards the card that radially is shaped of guide rod 50 that these draw-in groove 31 cell walls have plural number, and form a card recessed 312 between respectively blocking protruding 311; Each guide rod 50 of step (b) axially has the tooth section 53 of corresponding positioning body 30 draw-in grooves 31 along it; And each tooth section 53 has along guide rod 50 latch 531 of formed thereby radially; Form a mark of mouth 532 between each latch 531, and the length of this tooth section 53, after movable die holder 23 and fixedly die holder 22 matched moulds or die sinking; All be mutual corresponding shape with the draw-in groove 31 of positioning body 30; Certainly, the length of this tooth section 53 is mutual corresponding shape with the draw-in groove 31 of positioning body 30 and gets final product after also can working as movable die holder 23 and fixing die holder 22 matched moulds; Consult Figure 10 B; Each trip 42 all side in the step (a) have correspondence and fasten in the protuberance 421,422 of positioning body 30 card recessed 312 and guide rod 50 mark of mouths 532, and each protuberance 421, form the recess 423,424 that supplies positioning body 30 cards protruding 311 and guide rod 50 latches 531 correspondences to fasten between 422.
(c) behind movable die holder 23 and fixing die holder 22 matched moulds; Control positioning unit 40; Make its trip 42 along radially the fastening between guide rod 50 and positioning body 30 of guide rod 50, because of the oblique contract effect between protuberance 421,422 and card recessed 312 and the mark of mouth 532, and recess 423,424 with block protruding 311 and latch 531 between oblique contract effect; Make guide rod 50 produce axial tension, fixedly die holder 22 and 23 tensions of movable die holder.Before movable die holder 23 and fixing die holder 22 die sinkings, control positioning unit 40 makes its trip 42 along between the radially disengaging guide rod 50 and positioning body 30 of guide rod 50.
The above is the structure and the configuration explanation thereof of each main member of the embodiment of the invention.
Of the present inventionly do following explanation as flowing mode:
Consult Fig. 7,8, movable die holder 23 moves completion male and female mould 231,221 mould assembling action towards fixing die holder 22; Consult Fig. 9,10A, 10B when carrying out the locked mode operation this moment, 40 starts of control positioning unit; Make cylinder pressure 41 drive trips 42 along radially the fastening between guide rod 50 and positioning body 30 of guide rod 50, simultaneously, each protuberance 421,422 correspondence of trip 42 all sides fasten the mark of mouth 532 at card of positioning body 30 recessed 312 and guide rod 50; And each protuberance 421, the recess 423,424 that forms between 422 supply the card protruding 311 of positioning body 30 and latch 531 correspondences of guide rod 50 to fasten; By tiltedly contract effect, make guide rod 50 produce axial tension each other, fixedly die holder 22 and 23 tensions of movable die holder; So, can accomplish the locked mode operation.
Because trip 42 radially fastens after between guide rod 50 and the positioning body 30 along guide rod 50; The direction that the protuberance 421,422 of trip 50 all sides and positioning body 30 cards protruding 311 and guide rod 50 latches 531 fasten each other and movable die holder 23 and fixedly the die sinking direction of die holder 22 is identical; Therefore; When trip 42 does not break away between guide rod 50 and the positioning body 30, the structural strength (being intensity of shear) that the required strength of movable die holder 23 and fixing die holder 22 die sinkings must fasten greater than trip 42 and guide rod 50 and positioning body 30 each other, therefore; The present invention such as desire obtain bigger clamp force; Only need choose the stronger positioning body of structural strength 30, trip 42 and guide rod 50 and get final product, more large-scale cylinder pressure need be installed, thereby overcome defectives such as the cylinder pressure cost is high, need use the piping method of big caliber and take up space; Do not changing under the required space of locked mode, realizing increasing the purpose of clamp force.
Because the present invention reaches bigger clamp force and does not need to be amplified to required clamp force through toggle; And only need two positioning bodies 30, two positioning units 40 are set on the original movable die holder 23 of plastics ejaculator and at the original movable die holder of plastics ejaculator 23, fixedly two guide rods 50 are set on the die holder 22 and can reach; Therefore, the clamping apparatus member that the present invention uses is few, and assembling easily; Cost is low, and easy-maintaining.
Consult Figure 11; In the step (a) that locked mode method of the present invention is comprised; Also can directly get on the movable die holder 23 that single positioning body 30 and single positioning unit (figure is last not to be shown) with trip 42 be installed in the plastics ejaculator and realize, and in the step (b), for getting fixedly die holder 22, movable die holder 23 and the positioning body 30 that single guide rod 50 is placed through the plastics ejaculator; And be specially adapted to dijection mouth 21 and have the movable die holder 23 of two male and female moulds 231,221 and fixing die holder 22; Make guide rod 50 at each group male and female mould 231, between 221, because step and effect thereof that remaining locked mode method is comprised are same as previous embodiment, so repeat no more at this.
Consult Figure 12; In the step (a) that locked mode method of the present invention is comprised; Positioning unit 40 also can be made up of 42 of the trips that single cylinder pressure 41 drives two are connected to shape; Can accomplish trip 42 along radially the fastening or break away between guide rod 50 and the positioning body 30 of guide rod 50 by the start of single cylinder pressure 41, thereby be minimized the cost of positioning unit 40.
In sum, the foregoing description and diagram are merely preferred embodiment of the present invention, can not limit the scope that the present invention implements with this, and promptly all equalizations of doing according to claim of the present invention change and modify, and all should belong in the scope that patent of the present invention contains.
Claims (5)
1. the locked mode method of a plastics ejaculator is characterized in that, comprises the following step:
(a) getting the positioning unit that a positioning body and has trip at least is installed on the movable die holder of plastics ejaculator;
(b) get fixedly die holder, movable die holder and each positioning body that a guide rod is placed through the plastics ejaculator at least, and an end of each guide rod is installed in fixedly on the die holder;
(c) when movable die holder and fixedly behind the die holder matched moulds; The control positioning unit makes its trip along radially the fastening between guide rod and positioning body of guide rod, when movable die holder and fixedly before the die holder die sinking; The control positioning unit makes its trip radially breaking away between guide rod and the positioning body along guide rod.
2. the locked mode method of plastics ejaculator as claimed in claim 1 is characterized in that: each positioning body of said step (a) has a draw-in groove, and it is protruding towards the card that radially is shaped of guide rod that this draw-in groove cell wall has plural number, and blocks respectively that to form a card between protruding recessed; Each guide rod of this step (b) axially has the tooth section of a corresponding positioning body draw-in groove along it, and each tooth section has along the guide rod latch of formed thereby radially, forms a mark of mouth between each latch.
3. the locked mode method of plastics ejaculator as claimed in claim 2; It is characterized in that: all sides of each trip in the said step (a) have the protuberance that correspondence fastens and guide rod mark of mouth recessed in the positioning body card; And form between each protuberance and supply the recess that the positioning body card is protruding and guide rod latch correspondence fastens; The trip of positioning unit along guide rod radially fasten between guide rod and positioning body the time, the oblique contract effect between protuberance and the recessed and mark of mouth of card, and recess and card is protruding and latch between oblique contract effect; Make guide rod produce axial tension, fixedly die holder and movable die holder tension.
4. the locked mode method of plastics ejaculator as claimed in claim 1 is characterized in that: an end of each guide rod of said step (b) is a stiff end, and after this stiff end passed fixedly die holder, locking had a latch fitting.
5. the locked mode method of plastics ejaculator as claimed in claim 1 is characterized in that: each positioning unit of said step (a) connects drive one trip by at least one cylinder pressure and forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102290072A CN102336009A (en) | 2010-07-16 | 2010-07-16 | Mould clamping method of plastic projecting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102290072A CN102336009A (en) | 2010-07-16 | 2010-07-16 | Mould clamping method of plastic projecting machine |
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| Publication Number | Publication Date |
|---|---|
| CN102336009A true CN102336009A (en) | 2012-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102290072A Pending CN102336009A (en) | 2010-07-16 | 2010-07-16 | Mould clamping method of plastic projecting machine |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2363872Y (en) * | 1998-08-21 | 2000-02-16 | 顺德市乐善机械实业有限公司 | Mold locking device for plastic blowing hollow former |
| CN2496638Y (en) * | 2001-10-11 | 2002-06-26 | 蔡宗钦 | Two-piece wall trip mould-locking structure of injection moulding machine |
-
2010
- 2010-07-16 CN CN2010102290072A patent/CN102336009A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2363872Y (en) * | 1998-08-21 | 2000-02-16 | 顺德市乐善机械实业有限公司 | Mold locking device for plastic blowing hollow former |
| CN2496638Y (en) * | 2001-10-11 | 2002-06-26 | 蔡宗钦 | Two-piece wall trip mould-locking structure of injection moulding machine |
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Application publication date: 20120201 |