CN103406382A - Mold clamping equipment for two-plate machine - Google Patents
Mold clamping equipment for two-plate machine Download PDFInfo
- Publication number
- CN103406382A CN103406382A CN2013103229431A CN201310322943A CN103406382A CN 103406382 A CN103406382 A CN 103406382A CN 2013103229431 A CN2013103229431 A CN 2013103229431A CN 201310322943 A CN201310322943 A CN 201310322943A CN 103406382 A CN103406382 A CN 103406382A
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- Prior art keywords
- plate
- thread segment
- pull bar
- moving platen
- mold closing
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- 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.)
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- 230000007246 mechanism Effects 0.000 claims description 28
- 239000007787 solid Substances 0.000 claims description 15
- 238000012546 transfer Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 5
- 238000001514 detection method Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 abstract 1
- 239000011295 pitch Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 23
- 238000010030 laminating Methods 0.000 description 7
- 238000001125 extrusion Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The invention provides mold clamping equipment for a two-plate machine. The equipment comprises at least one frame, a movable mold plate, a fixed mold plate and four pull rods, wherein the top of each pull rod penetrates the movable mold plate; the movable mold plate is equipped with four pairs of cohesion nuts; first thread sections matched with the cohesion nuts are formed in the pull rods; mold adjusting units are arranged on the pull rods, and comprise first hang blocks and second hang blocks, both fixed onto the movable mold plate; two split plates for opening and closing movement are arranged between the first hang blocks and the second hang blocks; two ends of the split plates are matched with the first hang blocks and the second hang blocks in a sliding manner respectively; second thread sections of which the diameters are smaller than those of the first thread sections are formed at the tops of the pull rods and above the first thread sections; the pitches of the first thread sections are integral multiple of those of the second thread sections; the second thread sections are clamped between the split plates; the second thread sections are sleeved with rotational pad blocks which are matched with the second thread sections and are located below the split plates. When the thickness of the mold changes, the positions of the rotational pad blocks can be adjusted, and the requirement on electricity detection and the equipment cost are greatly lowered.
Description
Technical field
The present invention relates to extrusion forming technology, relate in particular to a kind of two plate machine mold closing mechanisms.
Background technology
The two-plate type mould clamping mechanism of prior art; generally comprise moving platen, solid plate, pull bar, lift cylinder; the piston end of described lift cylinder is connected with moving platen; pull bar is provided with gear ring; two halves formula cohesion nut is placed on the gear ring of pull bar, and is provided with to drive the obvolvent oil cylinder of cohesion nut folding.During matched moulds, lift cylinder drives moving platen and carries out mould assembling action, thereby adopts afterwards the obvolvent oil cylinder to carry out obvolvent action and draw lever locking to cohesion nut, then with Mode-locking oil cylinder, moving platen is produced to clamp force.
In traditional double-plate matched mould hydraulic press, the mold thickness adjusting range is larger, in order to reach the mode transfer matched moulds, often needs complicated frame for movement and the electric testing requirement of high request very, and its cost is very high.
Summary of the invention
The invention provides a kind of two plate machine mold closing mechanisms, be used to overcoming defect of the prior art, reduced electric testing requirement, and reduced cost.
Two plate machine mold closing mechanisms provided by the invention, this device comprises frame at least, moving platen and four pull bars, described pull bar top all passes described moving platen, and on moving platen, have four pairs for four described pull bars of axial restraint and be the cohesion nut of semi-open type structure, on described pull bar, has the first thread segment coordinated with cohesion nut, every described pull bar is provided with a mode transfer unit, described mode transfer unit comprises the first hanging block and the second hanging block be fixed on described moving platen, between the first hanging block and the second hanging block, be provided with the plate of splitting of two energy opening and closing movements, described plate two ends and described the first hanging block split, the second hanging block all is slidably matched, described pull bar top has the second thread segment, the first thread segment is positioned at the second thread segment below and diameter is greater than described the second thread segment, the pitch of described the first thread segment is the integral multiple of the pitch of the second thread segment, described the second thread segment is held on described splitting between plate, and on the second thread segment, be arranged with the rotation cushion block coordinated with the second thread segment, described rotation cushion block is positioned at the described plate below of splitting.
Particularly, all have slide rail on described the first hanging block and the second hanging block, these two slide rails are oppositely arranged, and the described plate of splitting is located between these two slide rails, and the described plate two ends of splitting coordinate also energy relative sliding with described two slide rails.
Wherein, on described frame, have four leads, described lead all coordinates with moving platen and can relative sliding.
Further, described split on plate to be connected with split oil cylinder.
Particularly, on described frame, lift cylinder is installed, the piston of described lift cylinder is fixedly connected with described moving platen.
Wherein, be fixed with solid plate on described frame, described solid plate is positioned at described moving platen below, and described four pull bars bottom all passes described solid plate, and every pull bar bottom all is connected with described solid plate with Mode-locking oil cylinder by opening mould oil cylinder.
Wherein, every pair of described cohesion nut is all held tightly and is coordinated with a described pull bar by the obvolvent oil cylinder.
Further, have perforating between described rotation cushion block and pull bar, in this perforating, be placed be used to preventing from rotating the anti-rotation blend stop that cushion block rotates.
Two plate machine mold closing mechanisms provided by the invention, rod head has two kinds of tooth distances, a kind of is that the tooth that coordinates with cohesion nut is apart from P1, a kind of is to coordinate the tooth of use apart from P2 with the rotation cushion block, P1 is the integral multiple of P2 simultaneously, when mold thickness changes, the minimum mold thickness of take is benchmark, require mold thickness to increase apart from the P1 integral multiple with tooth, integral multiple relation by P1 and P2, rotate after cushion block rotates the integral multiple number of turns equally and can guarantee that cohesion nut tooth form aligning pull bar tooth form can carry out the obvolvent action when rotating the cushion block upper surface and split the laminating of piece end face, after adjustment rotation cushion block puts in place, insertion anti-rotation blend stop prevents from rotating cushion block and is shifted voluntarily, this mechanism can complete the mode transfer matched moulds to electric testing requirement is low, be characterized in requiring the mold thickness excursion little, for example, in wheel hub extrusion modling or the body formed industry of engine cylinder, the mold thickness excursion generally is not more than 500mm, can utilize this mechanism significantly to reduce the expense of equipment.
The accompanying drawing explanation
The stereogram of the two plate machine mold closing mechanisms that Fig. 1 provides for the embodiment of the present invention;
The front view of the two plate machine mold closing mechanisms that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 is the top view of Fig. 2;
Fig. 4 is the local enlarged diagram of Fig. 3;
Fig. 5 be in Fig. 2 pull bar and the rotation cushion block the assembling schematic diagram;
Fig. 6 is the top view of Fig. 5.
The specific embodiment
As shown in Fig. 1-6, the embodiment of the present invention provides a kind of two plate machine mold closing mechanisms, this device comprises frame 1 at least, moving platen 2 and four pull bars 3, pull bar 3 tops all pass moving platen 2, and on moving platen 2, have four pairs for four pull bars 3 of axial restraint and be the cohesion nut 4 of semi-open type structure, on pull bar 3, has the first thread segment 31 coordinated with cohesion nut 4, every pull bar 3 is provided with a mode transfer unit, the mode transfer unit comprises the first hanging block 51 and the second hanging block 52 be fixed on moving platen 2, what the first hanging block 51 and the second hanging block 52 were provided with two energy opening and closing movements splits plate 53, split plate 53 two ends and the first hanging block 51, the second hanging block 52 all is slidably matched, pull bar 3 tops have the second thread segment 32, the first thread segment 31 is positioned at the second thread segment 32 belows and diameter is greater than the second thread segment 32, the pitch P 1 of the first thread segment is the integral multiple of the pitch P 2 of the second thread segment, the second thread segment 32 is held on two and splits between plate 53, and on the second thread segment 32, be arranged with the rotation cushion block 6 coordinated with the second thread segment 32, rotation cushion block 6 is positioned at splits plate 53 belows.
Two plate machine mold closing mechanisms provided by the invention, rod head has two kinds of pitch, the pitch P 1 of the first thread segment 31 coordinates with cohesion nut 4, the pitch P 2 of the second thread segment 32 coordinates with rotation cushion block 6, P1 is the integral multiple of P2 simultaneously, when mold thickness changes, the minimum mold thickness of take is benchmark, require mold thickness to increase with the P1 integral multiple, integral multiple relation by P1 and P2, rotate cushion block 6 and after the rotation integral multiple number of turns, can guarantee that cohesion nut tooth form aligning pull bar tooth form can carry out the obvolvent action when rotating the cushion block upper surface and split the laminating of piece end face equally, after adjustment rotation cushion block 6 puts in place, can in the perforating between rotation cushion block and pull bar, insert anti-rotation blend stop 60 to prevent rotating pad piece 6 rotational displacement voluntarily, this mechanism can complete the mode transfer matched moulds to electric testing requirement is low, be characterized in requiring the mold thickness excursion little, for example, in wheel hub extrusion modling or the body formed industry of engine cylinder, the mold thickness excursion generally is not more than 500mm, can utilize this mechanism significantly to reduce the expense of equipment.
This mechanism be mainly used in the die adjustment scope little and the larger situation of pressure tonnage, its main cause is in order to guarantee certain rigidity requirement, the height of the first hanging block and the second hanging block is generally unsuitable excessive, simultaneously when carrying out the die sinking action, the maximum die sinking position of moving platen need guarantee that moving platen copper sheathing 33 can not break away from pull bar, moving platen copper sheathing 33 is connected with moving platen 2 by the screw of end, 33 pairs of pull bars of moving platen copper sheathing play the support guide effect, and this has also limited this structure mode transfer stroke indirectly can not be excessive; When mold thickness changes, need the artificial position of adjusting rotation cushion block 6, for great tonnage press, the frequency of changing mold thickness is not high, therefore suitable great tonnage press.
This mechanism is enough for wheel hub or engine cylinder-body extrusion modling industry, because the varied in thickness scope of aluminium wheel hub is generally little, engine cylinder-body mold thickness replacement frequency is not high simultaneously; Adopt this mechanism, can significantly reduce the cost of equipment.
As the preferred embodiment of above-described embodiment, on the first hanging block 51 and the second hanging block 52, all have slide rail, these two slide rails are oppositely arranged, and what between two slide rails, be provided with two opening and closing movements splits plate 53, splits plate 53 two ends and can on slide rail, slide.In order to make moving platen move in the vertical direction, on frame 1, have four leads 54, the equal moving platen of lead 54 coordinates and can relative sliding.
Preferably, split on plate 53 to be connected with and split oil cylinder 56.Every pair of opening and closing movement of splitting plate 53 is by splitting the flexible realization of oil cylinder 56.Simple in structure, easy operating.
Preferably, four lift cylinders 7 are installed on frame 1, the piston of lift cylinder 7 is fixedly connected with moving platen 2.The flexible lifting that realizes moving platen by lift cylinder 7.
Preferably, on frame 1, be fixed with solid plate 8, solid plate 8 is positioned at moving platen 2 belows, and four pull bar 3 bottoms all pass solid plate 8, and every pull bar 3 bottoms are all opened mould oil cylinder 9 and are connected with solid plate 2 with Mode-locking oil cylinder 10.The piston rod end of opening mould oil cylinder 9 contacts by deadweight all the time with pull bar 3, be mainly used in cohesion nut 4 to tooth and Qi Moyong; Mode-locking oil cylinder 10 is connected on solid plate 8 and with pull bar 3 and is fixedly connected with by big nut, is mainly used in applying the main frame mold clamping force; Cohesion nut 4 is arranged on moving platen 2 and can slides and carry out opening and closing movement, while being mainly used in die sinking and matched moulds and the clutch of pull bar 3; The first hanging block 51 and the second hanging block 52 all are fixed on moving platen 2, split plate 53 and can between the first hanging block and the second hanging block, carry out opening and closing movement by slide rail, the opening and closing movement power source is for splitting oil cylinder, and when splitting plate and being mainly used in the main frame matched moulds, cohesion nut and pull bar dodges the Qi Moli of pull bar to the tooth location and while opening mould.
Preferably, every pair of cohesion nut 4 is all held tightly and is coordinated with a pull bar 3 by obvolvent oil cylinder 11.
The minimum modulus of below take is thick to be described as the matched moulds process of example to two plate machine mold closing mechanisms: lift cylinder 7 drives moving platens 2 and mould is drawn close to solid plate 8, now cohesion nut 4 is in open mode, split plate 53 and be in closure state, rotation cushion block lower surface and pull bar step surface are the step surface laminating between the first thread segment and the second thread segment, until the mould laminating; Open mould oil cylinder 9 oil pockets and enter hydraulic oil, drive on pull bar and move certain distance, until rotate cushion block 6 upper surfaces and split plate 53 lower surfaces laminatings; 11 actions of obvolvent oil cylinder make cohesion nut 4 carry out obvolvent, hold pull bar 3 tightly; Mode-locking oil cylinder 10 enters pressure oil, carries out matched moulds, splits simultaneously plate 53 and opens by splitting oil cylinder 56; While opening mould, open mould oil cylinder 9 and enter hydraulic oil, pushing drawing rod 3 rising slight distance, pull bar drives cohesion nut 4 and moving platen 2 is synchronously removed, and mould separates; During die sinking, cohesion nut 4 is opened, and splits plate 53 closures, and lift cylinder 7 drives moving platen 2 and mould leaves, and a production cycle completes.In the use procedure of above-described embodiment, when splitting plate 53 or cohesion nut 4 and being in open mode, pull bar 3 can pass and not interfere from split plate and cohesion nut; By the initial process adjustment, when rotating cushion block 6 upper surfaces and splitting plate 53 laminating, guarantee that now the tooth form of cohesion nut 4 is just aimed at the tooth form of pull bar 3 first thread segments 31 in order to carry out the obvolvent action, need simultaneously to guarantee that opening the mould oil cylinder piston leaves flange in the bottom end face certain distance.
Thereby when changing, mold thickness reaches mode transfer by the adjustment of rotation cushion block, when mold thickness changes, the minimum mold thickness of take is benchmark, require mold thickness to increase with the P1 integral multiple, integral multiple relation by P1 and P2, rotate cushion block 6 and after the rotation integral multiple number of turns, can guarantee that cohesion nut tooth form aligning pull bar tooth form can carry out the obvolvent action when rotating the cushion block upper surface and split the laminating of piece end face equally, after adjustment rotation cushion block 6 puts in place, can in the perforating between rotation cushion block and pull bar, insert anti-rotation blend stop 60 to prevent rotating pad piece 6 rotational displacement voluntarily, this mechanism can complete the mode transfer matched moulds to electric testing requirement is low, be characterized in requiring the mold thickness excursion little, for example, in wheel hub extrusion modling or the body formed industry of engine cylinder, the mold thickness excursion generally is not more than 500mm, can utilize this mechanism significantly to reduce the expense of equipment.。
Finally it should be noted that: above each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to aforementioned each embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme that aforementioned each embodiment puts down in writing, or some or all of technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of various embodiments of the present invention technical scheme.
Claims (8)
1. plate machine mold closing mechanism, this device comprises frame at least, moving platen and four pull bars, described pull bar top all passes described moving platen, and on moving platen, have four pairs for four described pull bars of axial restraint and be the cohesion nut of semi-open type structure, on described pull bar, has the first thread segment coordinated with cohesion nut, it is characterized in that, every described pull bar is provided with a mode transfer unit, described mode transfer unit comprises the first hanging block and the second hanging block be fixed on described moving platen, between the first hanging block and the second hanging block, be provided with the plate of splitting of two energy opening and closing movements, described plate two ends and described the first hanging block split, the second hanging block all is slidably matched, described pull bar top has the second thread segment, the first thread segment is positioned at the second thread segment below and diameter is greater than described the second thread segment, the pitch of described the first thread segment is the integral multiple of the pitch of the second thread segment, described the second thread segment is held on described splitting between plate, and on the second thread segment, be arranged with the rotation cushion block coordinated with the second thread segment, described rotation cushion block is positioned at the described plate below of splitting.
2. two plate machine mold closing mechanisms according to claim 1, it is characterized in that all having slide rail on described the first hanging block and the second hanging block, these two slide rails are oppositely arranged, the described plate of splitting is located between these two slide rails, and the described plate two ends of splitting coordinate also energy relative sliding with described two slide rails.
3. two plate machine mold closing mechanisms according to claim 1, is characterized in that on described frame, having four leads, and described lead all coordinates with described moving platen and can relative sliding.
4. two plate machine mold closing mechanisms according to claim 1, is characterized in that, every pair of described splitting on plate all is connected with and splits oil cylinder.
5. two plate machine mold closing mechanisms according to claim 1, is characterized in that, at least two lift cylinders are installed on described frame, and the piston of described lift cylinder is fixedly connected with described moving platen.
6. according to the arbitrary described two plate machine mold closing mechanisms of claim 1-5, it is characterized in that, on described frame, be fixed with solid plate, described solid plate is positioned at described moving platen below, described four pull bars bottom all passes described solid plate, and every pull bar bottom all is connected with described solid plate with Mode-locking oil cylinder by opening mould oil cylinder.
7. according to the arbitrary described two plate machine mold closing mechanisms of claim 1-5, it is characterized in that, every pair of described cohesion nut is all held tightly and is coordinated with a described pull bar by the obvolvent oil cylinder.
8. according to the arbitrary described two plate machine mold closing mechanisms of claim 1-5, it is characterized in that having perforating between described rotation cushion block and pull bar, in this perforating, be placed be used to preventing from rotating the anti-rotation blend stop that cushion block rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310322943.1A CN103406382B (en) | 2013-07-29 | 2013-07-29 | Mold clamping equipment for two-plate machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310322943.1A CN103406382B (en) | 2013-07-29 | 2013-07-29 | Mold clamping equipment for two-plate machine |
Publications (2)
| Publication Number | Publication Date |
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| CN103406382A true CN103406382A (en) | 2013-11-27 |
| CN103406382B CN103406382B (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310322943.1A Expired - Fee Related CN103406382B (en) | 2013-07-29 | 2013-07-29 | Mold clamping equipment for two-plate machine |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4863651A (en) * | 1983-06-28 | 1989-09-05 | Techonoplas, Inc. | Compression molding method |
| CN2186650Y (en) * | 1994-03-07 | 1995-01-04 | 无锡格兰机械有限公司 | Two-plate type mould closing mechanism |
| CN201604277U (en) * | 2010-01-26 | 2010-10-13 | 广东科达机电股份有限公司 | Center-pressing double-plate type mold closing mechanism |
| CN102049491A (en) * | 2010-11-23 | 2011-05-11 | 苏州三基铸造装备股份有限公司 | Force expansion type dual-template mould clamping mechanism using four boosting cylinders |
| CN202428641U (en) * | 2012-01-06 | 2012-09-12 | 广东科达机电股份有限公司 | Translation and safety structure of moving mold plate for two-plate machine |
| CN203556665U (en) * | 2013-07-29 | 2014-04-23 | 广东科达机电股份有限公司 | Mold closing device of two-plate machine |
-
2013
- 2013-07-29 CN CN201310322943.1A patent/CN103406382B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4863651A (en) * | 1983-06-28 | 1989-09-05 | Techonoplas, Inc. | Compression molding method |
| CN2186650Y (en) * | 1994-03-07 | 1995-01-04 | 无锡格兰机械有限公司 | Two-plate type mould closing mechanism |
| CN201604277U (en) * | 2010-01-26 | 2010-10-13 | 广东科达机电股份有限公司 | Center-pressing double-plate type mold closing mechanism |
| CN102049491A (en) * | 2010-11-23 | 2011-05-11 | 苏州三基铸造装备股份有限公司 | Force expansion type dual-template mould clamping mechanism using four boosting cylinders |
| CN202428641U (en) * | 2012-01-06 | 2012-09-12 | 广东科达机电股份有限公司 | Translation and safety structure of moving mold plate for two-plate machine |
| CN203556665U (en) * | 2013-07-29 | 2014-04-23 | 广东科达机电股份有限公司 | Mold closing device of two-plate machine |
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| CN103406382B (en) | 2015-06-10 |
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Address after: 528313 Guangdong City, Shunde province Chencun Town, industrial park, long Ring Road West Town, No. 1 Applicant after: KEDA CLEAN ENERGY CO., LTD. Address before: 528313 Guangdong City, Shunde province Chencun Town, industrial park, long Ring Road West Town, No. 1 Applicant before: Guangdong Keda Electromechanical Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: GUANGDONG KEDA ELECTROMECHANICAL CO., LTD. TO: GUANGDONG KEDA CLEAN ENERGY CO., LTD. |
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Effective date of registration: 20200422 Address after: 236200 south of Weiyi Road, north of Guanbao Road, Yingshang Industrial Park, Fuyang City, Anhui Province Patentee after: Anhui Hualu Plastic Products Co.,Ltd. Address before: 528313, No. 1, West Road, Guang Long Industrial Park, Chencun Town, Shunde District, Guangdong, Foshan Patentee before: KEDA CLEAN ENERGY Co.,Ltd. |
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Granted publication date: 20150610 Termination date: 20200729 |