CN102962990A - Controllable die opening-closing mechanism for thermoforming machine - Google Patents
Controllable die opening-closing mechanism for thermoforming machine Download PDFInfo
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- CN102962990A CN102962990A CN2012104734363A CN201210473436A CN102962990A CN 102962990 A CN102962990 A CN 102962990A CN 2012104734363 A CN2012104734363 A CN 2012104734363A CN 201210473436 A CN201210473436 A CN 201210473436A CN 102962990 A CN102962990 A CN 102962990A
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- moving platen
- base plate
- thermoforming machine
- mould mechanism
- clasp mould
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Abstract
The invention provides a controllable die opening-closing mechanism for a thermoforming machine. The die opening-closing mechanism comprises a controller, a supporting device, a crank toggle rod die closing mechanism and an assistant power device, wherein the supporting device comprises a bottom plate, and a guide pillar which is vertically fixed on the bottom plate; the crank toggle rod die closing mechanism comprises a servo driving mechanism, an eccentric wheel, an intermediate rod, lower connecting rods, upper connecting rods and a movable die plate; the eccentric wheel is connected with the intermediate rod; the movable die plate is sleeved on the guide pillar; the upper connecting rods are connected with the movable die plate, and the lower connecting rods are connected with the bottom plate; the intermediate rod, the upper connecting rods and the lower connecting rods are integrally connected; and the assistant power device is fixed on the bottom plate, and an actuating end of the assistant power device is connected with the movable die plate. According to the controllable die opening-closing mechanism for the thermoforming machine, the assistant power device which can reduce inertia force is arranged; and the controller is used for controlling a motor and the assistant power device to provide power and damping for the movable die plate in a mutual coordination way, so that the high-speed movement of the die plate can be realized.
Description
Technical field
The present invention relates to the clasp mould mechanism field, relate in particular to the controlled clasp mould mechanism of a kind of thermoforming machine.
Background technology
Existing die opening/closing mechanism of thermoforming machine can be divided into fluid pressure type, hydraulic pressure-mechanical type and electronic-mechanical type three classes by its manner of execution.
The fluid pressure type clasp mould mechanism is the direct locking die of pressure that relies on liquid, and after the pressure of liquid was removed, clamp force also disappeared thereupon.The fluid pressure type clasp mould mechanism can be divided into single cylinder direct press type, liquid-filled, booster-type clasp mould mechanism etc. by the action mode of hydraulic cylinder.The fluid pressure type clasp mould mechanism is simple in structure; can realize the larger mould-closing stroke of opening; and can obtain larger clamp force; velocity perturbation is large, impulsive force large, be difficult to the accurately defective such as control and machining accuracy height but exist in its folding mold process; these defectives are so that mechanism efficiency is low, big energy-consuming, not environmental protection; and when mold clamping force was larger, desired hydraulic cylinder volume was larger, was difficult to make.
Hydraulic pressure-mechanical open clamping increases connecting-rod force increasing device take hydraulic cylinder as power source between hydraulic cylinder and template.Be characterized in having auto-lock function, namely after mold-locked, even oil pressure is cancelled, clamp force can not disappear yet.Because linkage has boosting function, so can obtain larger clamp force with less oil cylinder.But this clasp mould mechanism complex structure, volume are large and moving platen inertia force is large, are difficult to realize improving the demand of folding mould speed.
Electronic-mechanical open clamping can be divided into the link-type clasp mould mechanism of the cam-actuated link-type clasp mould mechanism of biconjugate and ball-screw driving by its mechanical structure form.
The cam-actuated link-type clasp mould mechanism of biconjugate is by two pairs of conjugate cam rotations of same motor-driven, and drivening rod swings, and realizes moving up and down and overturning of workbench.The motor of this clasp mould mechanism can rotate continuously, and control is convenient.But conjugate cam linkage complex structure is subjected to the restriction of cam face, the very flexible of mechanism, and workbench inertia force when upset is large, clasp mould mechanism is difficult to realize high-speed cruising.
The link-type clasp mould mechanism that ball-screw drives adopts the driven by servomotor ball screw, and drivening rod winding machine folding mould can be controlled the action of folding mould more accurately.But moving up and down of this clasp mould mechanism workbench need to transfer realization by servomotor positive and negative, owing to being subjected to the impact of inertia force and motor speed, machine is difficult to high-speed cruising, and ball screw easily weares and teares, and affects service life of a machine.
Summary of the invention
The technical problem that (one) will solve
The object of the present invention is to provide a kind of controlled clasp mould mechanism of thermoforming machine that can reduce inertia force, realization high-speed cruising and be easy to control.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides the controlled clasp mould mechanism of a kind of thermoforming machine, this clasp mould mechanism comprises:
Bracing or strutting arrangement comprises base plate and guide pillar, and described guide pillar vertically is fixed on the base plate;
Crank toggle link clamping comprises servo-actuating device, eccentric wheel, intermediate bar, lower link, upper connecting rod and moving platen; Described eccentric wheel is connected with intermediate bar; Described moving platen is enclosed within on the guide pillar, and described upper connecting rod is connected with moving platen, and lower link is connected with base plate; Described intermediate bar, upper connecting rod and lower link three link together;
Auxiliary power unit is fixed on the base plate, and its actuating station is connected with moving platen;
Controller, described controller control crank toggle link clamping and auxiliary power unit drive simultaneously moving platen and slide up and down along guide pillar.
Wherein, described eccentric wheel is connected by revolute pair with intermediate bar; Described upper connecting rod is connected with moving platen by hinge and upper bracket; Described lower link is connected with base plate by hinge and undersetting; Be connected through the hinge between described intermediate bar, upper connecting rod and the lower link three.
Further, described upper bracket and moving platen are for being rigidly connected; Described undersetting and base plate are also for being rigidly connected.
Wherein, described auxiliary power unit is assistant cylinder, and its cylinder body is fixed on the supporting seat, and piston rod and moving platen are fixed; Described supporting seat is positioned at the below of guide pillar, and is fixed on the base plate.
Further, described bracing or strutting arrangement also comprises the decelerator bearing, and described decelerator bearing is bolted on the base plate.
Wherein, described servo-actuating device comprises motor and decelerator; Described motor is positioned at a side of decelerator, and decelerator is fixed by the decelerator bearing of its below.
Wherein, described guide pillar is at least one.
(3) beneficial effect
The controlled clasp mould mechanism of thermoforming machine provided by the invention has the auxiliary power unit that can reduce inertia force; this clasp mould mechanism by controller control motor and auxiliary power unit mutually coordinate for moving platen provides power and damping, realize the high-speed motion of moving platen.
Description of drawings
Fig. 1 is that the controlled clasp mould mechanism of thermoforming machine shown in Figure 2 is along the cutaway view of A-A direction.
Fig. 2 is that the controlled clasp mould mechanism of thermoforming machine shown in Figure 1 is along the cutaway view of B-B direction.
Fig. 3 is the front view under the controlled clasp mould mechanism die opening state of thermoforming machine provided by the invention.
Fig. 4 is the front view under the controlled clasp mould mechanism matched moulds of the thermoforming machine provided by the invention state.
Among the figure, 1: motor; 2: decelerator; 3: assistant cylinder; 4: moving platen; 5: upper bracket; 6: guide pillar; 7: upper pin; 8: upper connecting rod; 9: middle bearing pin; 10: supporting seat; 11: lower link; 12: lower bearing pin; 13: undersetting; 14: base plate; 15: the decelerator bearing; 16: eccentric wheel; 17: intermediate bar.
The specific embodiment
Be described in further detail below in conjunction with the specific embodiment of accompanying drawing to the controlled clasp mould mechanism of thermoforming machine provided by the invention.These embodiments only are used for explanation the present invention, and are not limitation of the present invention.
In description of the invention, need to prove, term " " center "; " vertically "; " laterally "; " on "; D score; " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of indications such as " outward " are based on orientation shown in the drawings or position relationship, only be for convenience of description the present invention and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " only are used for describing purpose, and can not be interpreted as indication or hint relative importance.
In description of the invention, need to prove, unless clear and definite regulation and restriction are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be to be fixedly connected with, and also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can indirectly link to each other by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand above-mentioned term concrete meaning in the present invention.
In addition, in description of the invention, except as otherwise noted, the implication of " a plurality of " is two or more.
As Figure 1-3, the controlled clasp mould mechanism of thermoforming machine provided by the invention comprises controller, bracing or strutting arrangement, crank toggle link clamping and auxiliary power unit.
Described bracing or strutting arrangement comprises decelerator bearing 15, base plate 14 and guide pillar 6; Described guide pillar 6 vertically is fixed on the base plate 14; Described guide pillar 6 is at least one.
Described crank toggle link clamping comprises servo-actuating device, crank (eccentric throw of eccentric wheel 16 is the length of crank in the present embodiment), intermediate bar 17, lower link 11, upper connecting rod 8, moving platen 4 and bracing or strutting arrangement; In the present embodiment, described crank can be regarded eccentric wheel 16 as; Described eccentric wheel 16 and intermediate bar 17 are connected by revolute pair; Described upper connecting rod 8 consists of revolute pair with upper bracket 5 by upper pin 7, and upper bracket 5 and moving platen 4 are for being rigidly connected, that is: upper connecting rod 8 is connected with moving platen 4 by hinge and upper bracket 5; Described lower link 11 consists of revolute pair with undersetting 13 by lower bearing pin 12, and undersetting 13 and base plate 14 are for being rigidly connected, that is: lower link 11 is connected with base plate 14 by hinge and undersetting 13; It is secondary that described intermediate bar 17, upper connecting rod 8 and lower link 11 consist of composite rotation by middle bearing pin 9, that is: be connected through the hinge between the three; Described moving platen 4 is enclosed within on the guide pillar 6.
Described servo-actuating device comprises motor 1 and decelerator 2, motor 1 drives decelerator 2 according to the characteristics of motion that controller sets, reduction box by decelerator 2 reduces rotating speed, increases moment of torsion, make eccentric wheel 16 rotations, to move and transmission of power is given upper connecting rod 8 and lower link 11 by intermediate bar 17, connecting rod 8 and lower link 11 are swung around upper pin 7 and lower bearing pin 12 respectively, do to slide toward renaturation along guide pillar 6 thereby drive moving platen 4; Described motor 1 is positioned at a side of decelerator 2, and decelerator 2 is fixing by the decelerator bearing 15 of its below; Described decelerator bearing 15 is bolted on the base plate 14.
Described auxiliary power unit is fixed on the base plate 14, and its matrix and supporting seat 10 are fixing, and actuating station is connected with moving platen 4.In the present embodiment, described auxiliary power unit is assistant cylinder 3, and assistant cylinder 3 cylinder bodies and supporting seat 10 are fixing, and piston rod and moving platen 4 are fixing; Described supporting seat 10 is positioned at the below of guide pillar 6, and is fixed on the base plate 14; Described assistant cylinder 3 moves according to the instruction of controller according to the characteristic of kinematics and dynamics of moving platen 4, for moving platen 4 provides damping or power, and then reduces the inertia force of crank toggle link clamping, and machine run speed is provided.
Described controller control crank toggle link clamping and auxiliary power unit drive simultaneously moving platen 4 and slide up and down along guide pillar 6.
As shown in Figure 3, be the die opening state schematic diagram of the controlled clasp mould mechanism of thermoforming machine provided by the invention.As shown in Figure 4, be the matched moulds view.The stroke of moving platen 4 can be regulated (being in the present embodiment the angle that eccentric wheel 16 turns over) by the pivot angle of crank, and when eccentric wheel 16 was done the integral cycle rotating motion, moving platen reached range; At the matched moulds extreme position, upper connecting rod 8 and lower link 11 rely on the strain of mechanism to reach boosting function on same straight line.
The controlled clasp mould mechanism of thermoforming machine provided by the invention is a kind of brand-new clasp mould mechanism; has simultaneously the auxiliary power unit that can reduce inertia force; moving platen is driven simultaneously by crank toggle link clamping and auxiliary power unit (being assistant cylinder 3); its coordination is controlled by controller, so that this clasp mould mechanism has advantages of that kinematic accuracy is high, speed fast, flexibility is high, the life-span is long.
The above only is preferred embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvement and replacement, these improvement and replacement also should be considered as protection scope of the present invention.
Claims (7)
1. the controlled clasp mould mechanism of thermoforming machine is characterized in that, this clasp mould mechanism comprises:
Bracing or strutting arrangement comprises base plate (14) and guide pillar (6), and described guide pillar (6) vertically is fixed on the base plate (14);
Crank toggle link clamping comprises servo-actuating device, eccentric wheel (16), intermediate bar (17), lower link (11), upper connecting rod (8) and moving platen (4); Described eccentric wheel (16) is connected with intermediate bar (17); Described moving platen (4) is enclosed within on the guide pillar (6); Described upper connecting rod (8) is connected with moving platen (4), and lower link (11) is connected with base plate (14); Described intermediate bar (17), upper connecting rod (8) and lower link (11) three link together;
Auxiliary power unit is fixed on the base plate (14), and its actuating station is connected with moving platen (4);
Controller, described controller control crank toggle link clamping and auxiliary power unit drive simultaneously moving platen (4) and slide up and down along guide pillar (6).
2. the controlled clasp mould mechanism of thermoforming machine according to claim 1 is characterized in that, described eccentric wheel (16) is connected by revolute pair with intermediate bar (17); Described upper connecting rod (8) is connected with moving platen (4) by hinge and upper bracket (5); Described lower link (11) is connected with base plate (14) by hinge and undersetting (13); Be connected through the hinge between described intermediate bar (17), upper connecting rod (8) and lower link (11) three.
3. the controlled clasp mould mechanism of thermoforming machine according to claim 2 is characterized in that, described upper bracket (5) and moving platen (4) are for being rigidly connected; Described undersetting (13) and base plate (14) are also for being rigidly connected.
4. the controlled clasp mould mechanism of thermoforming machine according to claim 1 is characterized in that, described auxiliary power unit is assistant cylinder (3), and its cylinder body is fixed on the supporting seat (10), and piston rod and moving platen (4) are fixing; Described supporting seat (10) is positioned at the below of guide pillar (6), and is fixed on the base plate (14).
5. the controlled clasp mould mechanism of thermoforming machine according to claim 1 is characterized in that, described bracing or strutting arrangement also comprises decelerator bearing (15), and described decelerator bearing (15) is bolted on the base plate (14).
6. the controlled clasp mould mechanism of thermoforming machine according to claim 5 is characterized in that, described servo-actuating device comprises motor (1) and decelerator (2); Described motor (1) is positioned at a side of decelerator (2), and decelerator (2) is fixing by the decelerator bearing (15) of its below.
7. the controlled clasp mould mechanism of each described thermoforming machine is characterized in that according to claim 1-6, and described guide pillar (6) is at least one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210473436.3A CN102962990B (en) | 2012-11-20 | 2012-11-20 | The controlled clasp mould mechanism of a kind of thermoforming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210473436.3A CN102962990B (en) | 2012-11-20 | 2012-11-20 | The controlled clasp mould mechanism of a kind of thermoforming machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102962990A true CN102962990A (en) | 2013-03-13 |
| CN102962990B CN102962990B (en) | 2015-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210473436.3A Expired - Fee Related CN102962990B (en) | 2012-11-20 | 2012-11-20 | The controlled clasp mould mechanism of a kind of thermoforming machine |
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| Country | Link |
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| CN (1) | CN102962990B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2191758Y (en) * | 1994-05-17 | 1995-03-15 | 庄文豪 | Crank arm type enjection forming machine |
| CN101920543A (en) * | 2009-06-11 | 2010-12-22 | 新东工业株式会社 | The electric cylinder driving-type pressure forming machine of resin sheet |
| CN203004303U (en) * | 2012-11-20 | 2013-06-19 | 汕头大学 | Controllable die sinking and assembling mechanism of hot forming machine |
-
2012
- 2012-11-20 CN CN201210473436.3A patent/CN102962990B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2191758Y (en) * | 1994-05-17 | 1995-03-15 | 庄文豪 | Crank arm type enjection forming machine |
| CN101920543A (en) * | 2009-06-11 | 2010-12-22 | 新东工业株式会社 | The electric cylinder driving-type pressure forming machine of resin sheet |
| CN203004303U (en) * | 2012-11-20 | 2013-06-19 | 汕头大学 | Controllable die sinking and assembling mechanism of hot forming machine |
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| Publication number | Publication date |
|---|---|
| CN102962990B (en) | 2015-08-05 |
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Granted publication date: 20150805 Termination date: 20191120 |