CN201525106U - Mould-regulating and mould-locking device for plastic-injection moulding machine - Google Patents
Mould-regulating and mould-locking device for plastic-injection moulding machine Download PDFInfo
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- CN201525106U CN201525106U CN2009202718800U CN200920271880U CN201525106U CN 201525106 U CN201525106 U CN 201525106U CN 2009202718800 U CN2009202718800 U CN 2009202718800U CN 200920271880 U CN200920271880 U CN 200920271880U CN 201525106 U CN201525106 U CN 201525106U
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- oil cylinder
- locking oil
- locking
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Abstract
The utility model provides a mould-regulating and mould-locking device for a plastic-injection moulding machine, particularly relates to a direct pressing type gear linkage mould-regulating and mould-locking device suitable for plastic injection moulding machine. The mould-regulating and mould-locking device is mainly composed of a stable template, a moving template, a rear template, a pulling rod, a toggle rod mechanism, a closing mould oil cylinder and a mould regulating and mould locking device, wherein the mould regulating and mould locking device is composed of a closing mould oil cylinder, a mould regulating screw nut gasket I, a mould regulating screw nut gasket II, a mould pressing cover, a post, a large mould regulating gear, a small shaft, and a power unit. Compared with the prior art, the functions of mould regulating and mould locking are organically combined by the utility model, the toggle rod mechanism is reserved, the movement feature of ''slow-fast-slow'' and the amplification effect of force are ensured to be implemented. An mould locking oil cylinder is integrated on the mould regulating device, by directly locking mould using the mould locking oil cylinder, feature of bad mould locking precision of the toggle rod mechanism is avoided, the mould locking force has high repeating precision, and the stability of the mould locking is reliable. The technique is not only suitable for novel products, but also suitable for modification to injection molding machines in the prior art.
Description
Technical field
The utility model relates to a kind of mould-regulating mould-locking device, particularly relates to a kind of direct press type gear interlock mould-regulating mould-locking device applicable to plastic-injection moulding machine.
Background technology
The mould-regulating mould-locking device is one of vitals of plastic-injection moulding machine, and its function is to adjust the moving platen position to make injection machine adapt to the mould of different-thickness; Make the distortion of the closed generation of mould system resilience reach clamp force, with mold-locked.
The modal mode transfer device of plastic-injection moulding machine is a gear interlock mode transfer device.For clamping apparatus, the most frequently used have two kinds of three plate toggle rod types and two plate direct press types.
Three plate toggle rod type clamping mechanisms are the crossheads that drive elbow-bar mechanism by die cylinder, realize the motion of template through the transmission of exertin and speed; When moving platen moves to the die joint that makes mould when just having contacted, elbow-bar mechanism as yet not being aligned arrange (self-locking position), it will be subjected to the effect of deformation drag; The work oil of die cylinder continues to boost, and to overcome the deformation drag of system, the elbow-bar mechanism being aligned is arranged, and reaches mode-lock status this moment.The advantage of three plate toggle rod type clamping mechanisms is: 1. when the die cylinder piston rod was done linear uniform motion, the moving platen that drives by elbow-bar mechanism can produce the speed characteristics of " slow-fast-slow ", is fit to the technological requirement that template opens and closes mould; 2. the amplification that has power is promptly imported a little active force to the piston rod of die cylinder, can produce bigger mould-moving force on moving platen; 3. when elbow-bar mechanism is stretched, can enter self-locking state, behind the locking mould, the elastic reaction that is produced by system variant keeps clamp force, and power that therefore can the temporarily disconnected input is saved the energy.But because clamp force is out of shape by elbow-bar mechanism and is provided, the elbow-bar mechanism requirement on machining accuracy is high, because the influence of mismachining tolerance can't guarantee that the length of each bar of elbow-bar mechanism is identical, each bar distortion difference when causing locked mode, so clamp force is also just different, each pull bar clamp force is harmonious poor; And long-term wearing and tearing can cause the elbow-bar mechanism precise decreasing, under the elbow-bar mechanism amplification, have also amplified various errors, and the clamp force repeatable accuracy is low, are difficult to the accurate goods of moulding.
Two plate vertical compression type mould-locking mechanisms directly realize the motion of moving platen and the locking of mould with hydraulic jack.Its advantage is that clamp force is stable, and each pull bar clamp force harmony is good.But required pressure and the speed of oil cylinder will be carried out the multistage setting according to process requirements during shifting formwork, and it does not possess the enlarging function of power yet.For typical obvolvent brake shoe formula clamping mechanism, the action of individual obvolvent brake shoe was arranged before locked mode, complex structure not only, and prolonged cycle period, reduced operating efficiency.
The utility model content
The purpose of this utility model is to provide a kind of plastic-injection moulding machine mould-regulating mould-locking device; this mould-regulating mould-locking device integrates the mould-regulating mould-locking function; can overcome the shortcoming of existing three plate toggle rod type clamping mechanisms and two plate vertical compression type mould-locking mechanisms; can give full play to their advantage again; stable and reliable for performance; the needs that can adapt to plurality of specifications model injection machine both had been suitable for new product, were suitable for the transformation to existing injection machine again.
For achieving the above object, the utility model is by the following technical solutions: a kind of plastic-injection moulding machine mould-regulating mould-locking device, mainly form by solid plate, moving platen, rear pattern plate, pull bar, elbow-bar mechanism, die cylinder and mould-regulating mould-locking device, four pull bars pass solid plate, moving platen and rear pattern plate successively, solid plate maintains static, pull bar one end and solid plate are connected, and rear pattern plate is arranged on the thread segment of pull bar; Elbow-bar mechanism is arranged between moving platen and the rear pattern plate, and die cylinder is arranged on the rear pattern plate, and the die cylinder piston rod passes rear pattern plate and is connected with the elbow-bar mechanism crosshead; The mould-regulating mould-locking device is made up of Mode-locking oil cylinder, mode transfer screw pad one, mode transfer screw pad two, mode transfer gland, pillar, mode transfer bull gear, bearing, little axle and power unit.Mode-locking oil cylinder has quadruplet, and Mode-locking oil cylinder tube, a side that has gear teeth by the outside has the Mode-locking oil cylinder piston of projection, the Mode-locking oil cylinder protecgulum that has groove, Mode-locking oil cylinder bonnet and mode transfer cover and form respectively; The mode transfer cover is spun on by screw thread on the thread segment of pull bar, and the Mode-locking oil cylinder piston bush is contained in mode transfer and puts and fix with it, and the Mode-locking oil cylinder tube is connected with the Mode-locking oil cylinder bonnet with the Mode-locking oil cylinder protecgulum, and the Mode-locking oil cylinder piston is placed in one; The Mode-locking oil cylinder piston have the groove of a side and Mode-locking oil cylinder protecgulum of projection relative and mutually insertion also can slide, the mode transfer cover can stretch out Mode-locking oil cylinder protecgulum and Mode-locking oil cylinder bonnet; Mode transfer screw pad one and mode transfer screw pad two are contained in the both sides of every suit Mode-locking oil cylinder respectively, and the mode transfer gland is pressed on mode transfer screw pad one, Mode-locking oil cylinder and mode transfer screw pad two on the rear pattern plate by pillar; The mode transfer bull gear supports by the bearing that is contained on the little axle of fixing with rear pattern plate, and it can be meshed with the gear teeth of four Mode-locking oil cylinder tubes; The mode transfer bull gear can drive its rotation by power unit.
The little axle and the bearing of support mode transfer bull gear of the present utility model can be one, two, three or four.
Four Mode-locking oil cylinders of the present utility model can communicate with each other by the pipeline connection.
By above technical scheme as can be known, the utility model has compared with prior art kept elbow-bar mechanism, guarantees to realize when shifting formwork the kinetic characteristic of " slow-fast-slow " and the amplification of power; Integrated Mode-locking oil cylinder on the mode transfer device by the direct locked mode of Mode-locking oil cylinder, has been avoided elbow-bar mechanism mismachining tolerance and the wearing and tearing influence to clamp force, and is low to the elbow-bar mechanism processing request; Compare with obvolvent brake shoe formula clamping, no obvolvent brake shoe action helps shortening the moulding cycle period, boosts productivity; The Mode-locking oil cylinder capacity is little, and the locked mode pressurization time is short; Four Mode-locking oil cylinders communicate, and four pull bar clamp forces are identical, clamp force repeatable accuracy height, and locked mode is reliable and stable; Can transform existing old toggle rod type injection machine very easily, improve its goods accuracy of manufacture, and simple and compact for structure.
Description of drawings
Fig. 1 is the front view of a kind of plastic-injection moulding machine mould-regulating mould-locking of the utility model device.
Fig. 2 is the left view of a kind of plastic-injection moulding machine mould-regulating mould-locking of the utility model device.
Fig. 3 is the structural representation of a kind of plastic-injection moulding machine mould-regulating mould-locking of the utility model device Mode-locking oil cylinder.
Fig. 4 is a kind of plastic-injection moulding machine mould-regulating mould-locking of the utility model device Mode-locking oil cylinder structure of piston schematic diagram.
Fig. 5 is the structural representation of a kind of plastic-injection moulding machine mould-regulating mould-locking of the utility model device Mode-locking oil cylinder protecgulum.
Among the figure: 1-solid plate, 2-pull bar, 3-moving platen, the 4-rear pattern plate, 5-mode transfer screw pad one, 6-Mode-locking oil cylinder, the 7-pillar, 8-mode transfer screw pad two, 9-mode transfer gland, 10-mould-regulating mould-locking device, 11-die cylinder, 12-mode transfer bull gear, 13-die cylinder piston rod, 14-elbow-bar mechanism crosshead, 15-elbow-bar mechanism, the 16-mould, the little axle of 17-, 18-bearing, 19-mode transfer cover, 20-Mode-locking oil cylinder piston, 21-Mode-locking oil cylinder protecgulum, 22-Mode-locking oil cylinder tube, 23-Mode-locking oil cylinder bonnet, the 24-gear teeth, the 25-projection, 26-groove, 27-power unit, the right chamber of 28-Mode-locking oil cylinder, the 29-thread segment.
The specific embodiment
As depicted in figs. 1 and 2, a kind of plastic-injection moulding machine mould-regulating mould-locking device, mainly form by solid plate 1, moving platen 3, rear pattern plate 4, pull bar 2, elbow-bar mechanism 15, die cylinder 11 and mould-regulating mould-locking device 10, four pull bars 2 pass solid plate 1, moving platen 3 and rear pattern plate 4 successively, solid plate 1 maintains static, pull bar 2 one ends and solid plate 1 are connected, and rear pattern plate 4 is arranged on the thread segment 29 of pull bar 1; Elbow-bar mechanism 15 is arranged between moving platen 3 and the rear pattern plate 4, and die cylinder 11 is arranged on the rear pattern plate 4, and die cylinder piston rod 13 passes rear pattern plate 4 and is connected with elbow-bar mechanism crosshead 14; Mould-regulating mould-locking device 10 is made up of Mode-locking oil cylinder 6, mode transfer screw pad 1, mode transfer screw pad 28, mode transfer gland 9, pillar 7, mode transfer bull gear 12, bearing 18, little axle 17 and power unit 27.Mode-locking oil cylinder 6 has quadruplet, as shown in Figure 3, Mode-locking oil cylinder tube 22, a side that has gear teeth 24 by the outside respectively has the Mode-locking oil cylinder piston 20 (Fig. 4) of projection 25, the Mode-locking oil cylinder protecgulum 21 (Fig. 5) that has groove 26, Mode-locking oil cylinder bonnet 23 and mode transfer cover 19 and forms; Mode transfer cover 19 is spun on the thread segment 29 of pull bar 2 by screw thread, and Mode-locking oil cylinder piston 20 is sleeved on the mode transfer cover 19 and with it and fixes, and Mode-locking oil cylinder tube 22 is connected with Mode-locking oil cylinder bonnet 23 with Mode-locking oil cylinder protecgulum 21, and Mode-locking oil cylinder piston 20 is placed in one; It is relative and insert mutually and can slide that Mode-locking oil cylinder piston 20 has the groove 26 of a projection side of 25 and Mode-locking oil cylinder protecgulum 21, and mode transfer overlaps 19 can stretch out Mode-locking oil cylinder protecgulum 21 and Mode-locking oil cylinder bonnet 23; Mode transfer screw pad 1 and mode transfer screw pad 28 are contained in the both sides of every suit Mode-locking oil cylinder 6 respectively, and mode transfer gland 9 is pressed on mode transfer screw pad 1, Mode-locking oil cylinder 6 and mode transfer screw pad 28 on the rear pattern plate 4 by pillar 7; Mode transfer bull gear 12 supports by the bearing 18 that is contained on the little axle of fixing with rear pattern plate 4 17, and it can be meshed with the gear teeth 24 of four Mode-locking oil cylinder tubes 22; Mode transfer bull gear 12 can drive its rotation by power unit 27.
The little axle 17 and the bearing 18 of support mode transfer bull gear 12 of the present utility model can be one, two, three or four.
The right chamber 28 of four Mode-locking oil cylinders of the present utility model can communicate with each other by the pipeline connection.
At first carry out mode transfer during work.Mode transfer guarantees that when mould 16 die joints have just contacted elbow-bar mechanism 15 is in stretches and self-locking state (no clamp force).The mode transfer process is as follows: mode transfer carries out under the state of no clamp force, and Mode-locking oil cylinder piston 20 is at the end of Mode-locking oil cylinder 6 near Mode-locking oil cylinder protecgulum 21, and the projection 25 of Mode-locking oil cylinder piston 20 and the groove 26 of Mode-locking oil cylinder protecgulum 21 just in time cooperatively interact and block.Therefore, Mode-locking oil cylinder piston 20 and mode transfer cover 19 just becomes one with Mode-locking oil cylinder tube 22.When mode transfer bull gear 12 rotates under the drive of power unit 27, drive 22 rotations of four Mode-locking oil cylinder tubes simultaneously, also rotation of mode transfer cover 19 drives rear pattern plate 4, elbow-bar mechanism 15 and moving platen 3 whole moving by nut screw mandrel principle, realizes mode transfer.Because when mode transfer, it is that one of them side is stressed that the projection 25 of Mode-locking oil cylinder piston 20 and 26 cooperations of the groove of Mode-locking oil cylinder end face 21 are blocked, in order to make their easier cooperations, can design groove 26 greatlyyer, when mode transfer, if stress surface is not in contact with one another, 22 need of that Mode-locking oil cylinder tube turn over certain angle and can contact stressed under the drive of mode transfer bull gear 12.
During matched moulds, solid plate 1, pull bar 2 and rear pattern plate 4 are fixing, and die cylinder piston rod 13 drives 14 motions of elbow-bar mechanism crosshead, by elbow-bar mechanism 15 transmission power and speed, realizes the closure of moving platen 3 and mould 16, and pull bar 2 play the guiding role.When mould 16 die joints had just contacted, elbow-bar mechanism 15 was stretched, and reaches self-locking state.Matched moulds is finished the beginning locked mode.During locked mode, hydraulic oil is advanced in the right chamber 28 of Mode-locking oil cylinder, the projection 25 of Mode-locking oil cylinder piston 20 and the 26 relative slips of the groove of Mode-locking oil cylinder protecgulum 21, mobile drive rear pattern plate 4, elbow-bar mechanism 15 and the moving platen 3 whole micro-displacements that produce by Mode-locking oil cylinder tube 22, at this moment, solid plate 1, pull bar 2, Mode-locking oil cylinder piston 20, Mode-locking oil cylinder tube 22, rear pattern plate 4, elbow-bar mechanism 15, moving platen 3 and mould 16 form seal force system, realize the locking of mould 16.The die sinking process is just in time opposite with matched moulds.
Claims (1)
1. plastic-injection moulding machine mould-regulating mould-locking device, it is characterized in that: mainly form by solid plate, moving platen, rear pattern plate, pull bar, elbow-bar mechanism, die cylinder and mould-regulating mould-locking device, four pull bars pass solid plate, moving platen and rear pattern plate successively, solid plate maintains static, pull bar one end and solid plate are connected, and rear pattern plate is arranged on the thread segment of pull bar; Elbow-bar mechanism is arranged between moving platen and the rear pattern plate, and die cylinder is arranged on the rear pattern plate, and the die cylinder piston rod passes rear pattern plate and is connected with the elbow-bar mechanism crosshead; The mould-regulating mould-locking device is made up of Mode-locking oil cylinder, mode transfer screw pad one, mode transfer screw pad two, mode transfer gland, pillar, mode transfer bull gear, bearing, little axle and power unit; Mode-locking oil cylinder has quadruplet, and Mode-locking oil cylinder tube, a side that has gear teeth by the outside has the Mode-locking oil cylinder piston of projection, the Mode-locking oil cylinder protecgulum that has groove, Mode-locking oil cylinder bonnet and mode transfer cover and form respectively; The mode transfer cover is spun on by screw thread on the thread segment of pull bar, and the Mode-locking oil cylinder piston bush is contained in mode transfer and puts and fix with it, and the Mode-locking oil cylinder tube is connected with the Mode-locking oil cylinder bonnet with the Mode-locking oil cylinder protecgulum, and the Mode-locking oil cylinder piston is placed in one; The Mode-locking oil cylinder piston have the groove of a side and Mode-locking oil cylinder protecgulum of projection relative and mutually insertion also can slide, the mode transfer cover can stretch out Mode-locking oil cylinder protecgulum and Mode-locking oil cylinder bonnet; Mode transfer screw pad one and mode transfer screw pad two are contained in the both sides of every suit Mode-locking oil cylinder respectively, and the mode transfer gland is pressed on mode transfer screw pad one, Mode-locking oil cylinder and mode transfer screw pad two on the rear pattern plate by pillar; The mode transfer bull gear supports by the bearing that is contained on the little axle of fixing with rear pattern plate, and it can be meshed with the gear teeth of four Mode-locking oil cylinder tubes; The mode transfer bull gear can drive its rotation by power unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202718800U CN201525106U (en) | 2009-11-20 | 2009-11-20 | Mould-regulating and mould-locking device for plastic-injection moulding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202718800U CN201525106U (en) | 2009-11-20 | 2009-11-20 | Mould-regulating and mould-locking device for plastic-injection moulding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201525106U true CN201525106U (en) | 2010-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202718800U Expired - Lifetime CN201525106U (en) | 2009-11-20 | 2009-11-20 | Mould-regulating and mould-locking device for plastic-injection moulding machine |
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| Country | Link |
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| CN (1) | CN201525106U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069575A (en) * | 2009-11-20 | 2011-05-25 | 北京化工大学 | Mold adjusting and locking device of plastic injection molding machine |
| CN102729438A (en) * | 2012-06-11 | 2012-10-17 | 无锡天惠塑机有限公司 | Mold adjusting apparatus |
| CN104608345A (en) * | 2015-01-09 | 2015-05-13 | 宁波长飞亚塑料机械制造有限公司 | Mould-closing device of fully-electric injection molding machine |
-
2009
- 2009-11-20 CN CN2009202718800U patent/CN201525106U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069575A (en) * | 2009-11-20 | 2011-05-25 | 北京化工大学 | Mold adjusting and locking device of plastic injection molding machine |
| CN102069575B (en) * | 2009-11-20 | 2013-04-10 | 北京化工大学 | Mold adjusting and locking device of plastic injection molding machine |
| CN102729438A (en) * | 2012-06-11 | 2012-10-17 | 无锡天惠塑机有限公司 | Mold adjusting apparatus |
| CN104608345A (en) * | 2015-01-09 | 2015-05-13 | 宁波长飞亚塑料机械制造有限公司 | Mould-closing device of fully-electric injection molding machine |
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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: 20100714 Effective date of abandoning: 20091120 |
|
| RGAV | Abandon patent right to avoid regrant |