CN101342775B - Plastics sucking moulding apparatus for inner container of electric refrigerator - Google Patents
Plastics sucking moulding apparatus for inner container of electric refrigerator Download PDFInfo
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- CN101342775B CN101342775B CN 200810030231 CN200810030231A CN101342775B CN 101342775 B CN101342775 B CN 101342775B CN 200810030231 CN200810030231 CN 200810030231 CN 200810030231 A CN200810030231 A CN 200810030231A CN 101342775 B CN101342775 B CN 101342775B
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Abstract
The invention provides a plastic-sucking moulding machine for a refrigerator tank, which is special as follows: a movable heating device further comprises a movable air cylinder and a displacement air cylinder; both sides of a movable support are articulated with rolling wheels; a frame is provided with a guide way; the rolling wheels are matched with the upper surface of the guide way; a guide wheel articulated to the movable support is matched with the undersurface of the guide way; one end of the movable air cylinder is joined to the frame, and the other end is joined to the movable support; the displacement cylinder is joined to the movable support and a heater frame. As the structure is adopted, the moulding machine works simultaneously with the heating device in a circular way. The plastic-sucking moulding machine overwhelms the defects that boards are heated and moulded in turn; the heat energy of the heater can be made the most of; electrical energy can be effectively saved; boards are heated and moulded simultaneously, thus reducing the production cycle.
Description
Technical field
The present invention relates to a kind of plastic suction forming apparatus, especially a kind of plastic suction forming apparatus of inner container of electric refrigerator.
Background technology
Present prior art; A kind of single station plastic suction forming apparatus of inner container of electric refrigerator comprises support, frame, shaped device, mobile heating device, material carrying mechanism, retainer travel mechanism and control device; Mobile heating device comprises two heaters, heater stand, mobile roof support, and heater is fixed on the heater stand, two upper and lower layouts of heater; Shaped device promptly froths, inhales vacuum, moulding and cooling; Shaped device, material carrying mechanism and heater list station are provided with, and need separately to carry out set by step, during work; Manual work is adorned flitch on the material carrying mechanism, the mobile heating device action, and heater heats flitch; When flitch reaches softening the requirement; Mobile heating device withdraws from, and this moment, heater was still in energising, release heat; Material carrying mechanism puts down the flitch that is softened, and in shaped device, carries out compressed air then and froths, and vacuumizes, moulding, compressed air blowing cooling.Be that sheet material heating and plastics sucking moulding divide the work of two steps, during moulding, heater can not cut off the power supply, operate as normal, a large amount of loss electric energy of empty burning.Existing problems are: shaped device and heater can not work asynchronously, and the production cycle is grown, wastes energy.
Also have three station plastic suction forming apparatus at present; Be drawn onto flitch under the band dog chain bar of linear running by automatical feeding system; Chain is pressed on flitch on the straight guide rail, and chain advances, and drives the flitch linear running and carries out thermoplastic to the thermal treatment zone; Then chain again straight ahead deliver to the vacuum suction moulding district, moulding action is identical with single station.Chain is delivered to reception area to product again then.Because it is made up of automatic charging district → thermal treatment zone → three stations of shaping area, so claim three station plastic suction forming apparatus.
Its advantage is that automaticity is high, and heating and vacuum forming move continuously, and be higher than single station work efficiency, and saving electric energy does not have the empty phenomenon of burning.But complex structure is bulky, cost is high, maintaining is difficult, and operating cost is high.Import price generally is 4,000,000 yuans one.
Summary of the invention
The objective of the invention is: a kind of plastic suction forming apparatus of inner container of electric refrigerator is provided, and it can not only make shaped device and mobile heating device work simultaneously, shortens the production cycle, but also can make full use of the heat energy of mobile heating device, energy savings.
The present invention is achieved in that a kind of plastic suction forming apparatus of inner container of electric refrigerator comprises support, frame, shaped device, mobile heating device, material carrying mechanism, retainer travel mechanism and control device; Mobile heating device comprises two heaters, heater stand, mobile roof support, and heater is fixed on the heater stand, two upper and lower layouts of heater; Retainer travel mechanism is made up of lowering or hoisting gear, running gear; Its special character is: said mobile heating device also comprises mobile cylinder, displacement cylinder; The both sides of mobile roof support are articulated with scroll wheel; Guided way is arranged on the frame, and scroll wheel cooperates with the guided way upper surface, and the directive wheel that is articulated on the mobile roof support cooperates with the lower surface of guided way; Move cylinder one end and connect with frame, the other end connects with mobile roof support, and displacement cylinder connects with mobile roof support, heater stand.
The plastic suction forming apparatus of described inner container of electric refrigerator, its special character is: said heater stand and displacement cylinder are fixedly connected, and the other end and the mobile roof support of displacement cylinder are fixedly connected; Gear is installed on heater stand, tooth bar is installed on mobile roof support, wheel and rack cooperates.
The plastic suction forming apparatus of described inner container of electric refrigerator, its special character is: said heater stand front and back ends articulates with displacement cylinder respectively, and the other end of displacement cylinder and mobile roof support articulate.
The plastic suction forming apparatus of described inner container of electric refrigerator; Its special character is: said material carrying mechanism is made up of the bar that connects material, shaft seat, material folding rotating shaft, feeding cylinder, rotating shaft and transmission adjustment screw rod; The bar that connects material is fixed on the lowering or hoisting gear; The pivot joint of cylinder support, the other end and rotating shaft on feeding cylinder one end and the lowering or hoisting gear are fixedly connected, and rotating shaft is installed in two monaural articulated joints, transmission adjustment screw rod one end and rotating shaft is fixedly connected, the other end and material folding rotating shaft are fixedly connected.
The plastic suction forming apparatus of described inner container of electric refrigerator; Its special character is: said material carrying mechanism comprises the bar that connects material, shaft seat, material folding rotating shaft, feeding cylinder, and the bar that connects material is fixed on the lifting platform of lowering or hoisting gear, and shaft seat is fixed on the bar that connects material; Material folding rotating shaft and shaft seat articulate; Material folding rotating shaft and lowering or hoisting gear articulate, and the cylinder support pivot joint on feeding cylinder one end and the lifting platform, the other end and " Y " type support articulate, and " Y " type support and material folding rotating shaft are fixedly connected.
The plastic suction forming apparatus of described inner container of electric refrigerator; Its special character is: retainer travel mechanism is made up of lowering or hoisting gear, running gear; Lowering or hoisting gear is made up of cylinder, lifting platform, pedestal, guide rod and directive wheel, and cylinder one end is fixed on the lifting platform, the other end is fixed on the pedestal, and four guide rod one ends are fixedly connected with lifting platform respectively, guide rod passes bar hole and matched in clearance on the pedestal; The setting of two directive wheel mirror images cooperates with guide rod, directive wheel and be fixed on wheel carrier pivot joint on the pedestal;
Said running gear comprises motor, reductor, gear shaft, gear and is installed in the tooth bar on the support; Motor, reductor are fixed on the pedestal, and gear shaft and pedestal articulate, and reductor cooperates with gear shaft; The two ends fixed gear of gear shaft, wheel and rack cooperates; Running roller also is installed on lifting platform, and running roller cooperates with the shiny surface of tooth bar.
The plastic suction forming apparatus of described inner container of electric refrigerator, its special character is: retainer travel mechanism is made up of lowering or hoisting gear, running gear; Said lowering or hoisting gear comprises cylinder, lifting platform, pedestal, guide rod and directive wheel, and cylinder one end is fixed on the lifting platform, on the other end fixed base; Guide rod one end and lifting platform are fixedly connected, and the other end passes the bar hole on the pedestal, on the upper and lower surface of pedestal, are separately installed with four directive wheels and cooperate with guide rod;
Said running gear comprises motor, reductor, gear shaft, gear and is installed in the tooth bar on the support; Motor, reductor are fixed on the pedestal, and the rear end of gear shaft and pedestal articulates, and reductor cooperates with gear shaft; The two ends fixed gear of gear shaft, wheel and rack cooperates; The front end both sides of pedestal also are provided with driven gear, and the driven tooth wheel and rack cooperates; Running roller also is installed on lifting platform, and running roller cooperates with the shiny surface of tooth bar.
The plastic suction forming apparatus of described inner container of electric refrigerator, its special character is: said lifting platform is one to have the middle cavity of upper shed; Said material carrying mechanism is through on the fixed head fixed elevated platform; Two nutplate are stretched out with fixed head from the inner chamber of lifting platform and are fixedly connected; One screw is arranged on the fixed head; One adjustment screw one end cooperates with screw, the other end and lifting platform pivot joint; On the adjustment screw, be fixed with sprocket wheel, also comprise the expansion tightening wheel that is fixed on the lifting platform, two sprocket wheels cooperate with expansion tightening wheel through chain; Be fixed with the guiding latch at the two ends of fixed head, the guiding latch cooperates the location with lifting platform.
The plastic suction forming apparatus of inner container of electric refrigerator of the present invention owing to adopt such structure, is placed on flitch on the bar that connects material of material carrying mechanism; The material folding plate of material carrying mechanism is fixed the flitch relative position with the bar that connects material, then, and the mobile heating device action; Two heaters heat flitch, and when reaching processing request, retainer travel mechanism is with flitch; Deliver to the automatic discharging of shaped device, return then; And then material loading, at this moment, shaped device and mobile heating device are worked simultaneously, and work moves in circles.Overcome in the prior art, flitch heating, the moulding defective of working sequentially can make full use of the heat energy of heater, saves energy effectively, and the flitch heating, moulding is carried out synchronously, has shortened the production cycle.
Description of drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a vertical view of the present invention.
Fig. 3 is a left view of the present invention.
Fig. 4 Figure 1A position partial enlarged drawing.
Fig. 5 is the front view of material carrying mechanism of the present invention and retainer travel mechanism.
Fig. 6 is the vertical view of material carrying mechanism of the present invention and retainer travel mechanism.
Fig. 7 is the left view of material carrying mechanism of the present invention and retainer travel mechanism.
Fig. 8 is the B-B view of Fig. 5.
Fig. 9 is the front view of another embodiment of the present invention.
Figure 10 is the vertical view of another embodiment of the present invention.
Figure 11 is the C-C view of Fig. 9.
Figure 12 is the front view of another embodiment of the present invention material carrying mechanism and retainer travel mechanism.
Figure 13 is the vertical view of another embodiment of the present invention material carrying mechanism and retainer travel mechanism.
Figure 14 is the block diagram of control device of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further described.
Like Fig. 1, Fig. 2, shown in Figure 3; A kind of plastic suction forming apparatus of inner container of electric refrigerator comprises support 1, frame 6, shaped device 2, mobile heating device 3, material carrying mechanism 5, retainer travel mechanism 4 and control device; Mobile heating device 3 comprises two heaters 31, heater stand 32, mobile roof support 33, and heater 31 is fixed on the heater stand 32, two heater 31 upper and lower layouts; Retainer travel mechanism 4 is made up of lowering or hoisting gear 7, running gear 8, and said mobile heating device 3 also comprises mobile cylinder 34, displacement cylinder 35, and the both sides of mobile roof support 33 are articulated with scroll wheel 36.As shown in Figure 4, guided way 61 is arranged on the frame 6, scroll wheel 36 cooperates with guided way 61 upper surfaces, and the directive wheel 361 that is articulated on the mobile roof support 33 cooperates with the lower surface of guided way 61; Mobile cylinder 34 1 ends connect with frame 6, the other end connects with mobile roof support 33, and displacement cylinder 35 connects with mobile roof support 33, heater stand 32.
Said heater stand 32 is fixedly connected with displacement cylinder 35, and the other end of displacement cylinder 35 and mobile roof support 33 are fixedly connected; Gear 37 is installed on heater stand 32, tooth bar 38 is installed on mobile roof support 33, gear 37 cooperates with tooth bar 38.
Like Fig. 5, Fig. 6, shown in Figure 7; Said material carrying mechanism 5 comprises the bar 51 that connects material, shaft seat 52, material folding rotating shaft 53, feeding cylinder 54; The bar 51 that connects material is fixed on the lifting platform 72 of lowering or hoisting gear 7, and shaft seat 52 is fixed on the bar 51 that connects material, and material folding rotating shaft 53 articulates with shaft seat 52; Material folding rotating shaft 53 1 ends also articulate with lifting platform 72; Be fixed with material folding plate 531 on the material folding turning cylinder 53, cylinder support 55 pivot joints on feeding cylinder 54 1 ends and the lifting platform 72, the other end and " Y " type support 56 articulate, and " Y " type support 56 is fixedly connected with material folding rotating shaft 53.
Like Fig. 5, Fig. 6, Fig. 7, shown in Figure 8, retainer travel mechanism 4 is made up of lowering or hoisting gear 7, running gear 8; Said lowering or hoisting gear 7 comprises cylinder 71, lifting platform 72, pedestal 73, guide rod 74 and directive wheel 75, and cylinder 71 1 ends are fixed on the lifting platform 72, on the other end fixed base 73; Said guide rod 74 is the cylinder or the square cylinder of hollow; Guide rod 74 1 ends and lifting platform 72 are fixedly connected; The other end passes bar hole and the matched in clearance on the pedestal 73; On pedestal 73 upper and lower surfaces, be fixed with four guiding wheel seats 751 respectively, directive wheel 75 articulates with guiding wheel seat 751, has directive wheel 75 to cooperate with guide rod 74;
Said running gear 8 comprises motor 81, reductor 82, gear shaft 83, gear 84 and is installed in the tooth bar 85 on the support 1; Motor 81, reductor 82 are fixed on the pedestal 73; Gear shaft 83 articulates with the rear end of pedestal 73; Reductor 82 cooperates with gear shaft 83, the two ends fixed gear 84 of gear shaft 83, and gear 84 cooperates with tooth bar 85; Front end both sides at pedestal 73 also are equipped with driven gear 87, and driven tooth wheel and rack 85 cooperates; Running roller 86 also is installed on pedestal 73, and running roller 86 cooperates with the shiny surface of tooth bar 85.Be separately installed with front travel switch (not drawing among the figure), back travel switch at front portion, the rear portion at support 1 position that tooth bar 85 is installed, buting iron (not drawing among the figure) is installed on pedestal 73.Said front travel switch, back travel switch also can be installed tooth bar 85 front portions, rear portion,
Said lifting platform 72 has the middle cavity of upper and lower opening; Said material carrying mechanism 5 is fixed on the lifting platform 72 through a fixed head 9; Cylinder support 55 is fixed on the fixed head 9; The bar 51 that connects material articulates with fixed head; One nutplate 91 is stretched out from the inner chamber of lifting platform 72 with fixed head 9 and is fixedly connected; Two screws are arranged on the fixed head 9, and adjustment screw 92 1 ends cooperate with screw, the other end articulates with the sidewall of lifting platform 72, rotate to adjust screw 92 and can adjust two distances that connect material between the bar 51; On adjustment screw 92, be articulated with sprocket wheel 93, comprise that also 94, two sprocket wheels of tensioner sprocket wheel 93 that are articulated on the lifting platform 72 cooperate with tensioner sprocket wheel 94 through chain; Be fixed with guiding latch 95 at the two ends of fixed head 9, guiding latch 95 cooperates the location with lifting platform 72.
Embodiment 2
Like Fig. 9, Figure 10, Figure 11, Figure 12, shown in Figure 13,
Said heater stand 32 front and back ends articulate with displacement cylinder 35 respectively, and the other end of displacement cylinder 35 and mobile roof support 33 articulate.
Said material carrying mechanism 5 comprises that the bar that connects material, shaft seat, material folding rotating shaft 53, feeding cylinder 54, rotating shaft 57 and transmission adjustment screw rod 58 constitute; 55 pivot joints of cylinder support, the other end and rotating shaft 57 on feeding cylinder 54 1 ends and the lifting platform 72 are fixedly connected; Rotating shaft 57 is installed in two monaural articulated joints 59, transmission adjustment screw rod 58 1 ends and rotating shaft 57 is fixedly connected, the other end and material folding rotating shaft 53 are fixedly connected.
Shown in figure 14, control device of the present invention, programmable device PLC is electrically connected with cylinder, mobile cylinder, displacement cylinder and feeding cylinder; Programmable device PLC connects with heater through relay, contactor; Programmable device PLC connects with motor through relay, contactor; Programmable device PLC also connects with front travel switch, back travel switch; Programmable device PLC also connects with the controller of shaped device.
The present invention turns on the power switch in use, and control device is started working, and flitch is placed on the bar 51 that connects material, and material carrying mechanism 5 is started working, feeding cylinder 54 action, and material folding plate 531 rotates with material folding rotating shaft 53, and material folding plate 531 is fixed flitch with the bar 51 of connecting material; Mobile cylinder 34 actions of mobile heating device 3 then; Mobile roof support 33 moves at guided way 61, makes heater 32 be positioned at the flitch upper and lower, when heater 32 is positioned at the flitch upper and lower; Displacement cylinder 35 makes heater 32 move to flitch, and 32 pairs of flitch of heater heat.Reach the scheduled time, the motor 81 of the running gear 8 of retainer travel mechanism 4 is started working, and running gear 8 moves on support; Material carrying mechanism 5 is asking flitch in shaped device 2, to move; When arriving assigned address, buting iron cooperates with the front travel switch, and motor 81 quits work; Feeding cylinder 54 actions, material folding plate 531 rotates, cylinder 71 actions of elevating mechanism 7, material carrying mechanism 5 moves down, and unloads blanking plate, and motor 81 reverses, and turns back to the below of original position, and buting iron cooperates with the back travel switch, and motor stops operating; Cylinder 71 action of elevating mechanism 7, material carrying mechanism 5 is moved upwards up to original position, blowing again, when flitch heats, the controller action of shaped device 2,2 pairs of flitch of shaped device froth, inhale vacuum, moulding and cooling.Move in circles with this.
The plastic suction forming apparatus of inner container of electric refrigerator of the present invention; Heating, feeding and moulding coordinate synchronization, the work of realization double, the identical or basic identical protection scope of the present invention that all belongs to of structure, the operation principle of material carrying mechanism every and of the present invention, retainer travel mechanism and mobile heating device.
Claims (7)
1. the plastic suction forming apparatus of an inner container of electric refrigerator; Comprise support, frame, shaped device, mobile heating device, material carrying mechanism, retainer travel mechanism and control device; Mobile heating device comprises two heaters, heater stand, mobile roof support, and heater is fixed on the heater stand, two upper and lower layouts of heater; Retainer travel mechanism is made up of lowering or hoisting gear, running gear; It is characterized in that: said mobile heating device also comprises mobile cylinder, displacement cylinder; The both sides of mobile roof support are articulated with scroll wheel; Guided way is arranged on the frame, and scroll wheel cooperates with the guided way upper surface, and the directive wheel that is articulated on the mobile roof support cooperates with the lower surface of guided way; Move cylinder one end and connect with frame, the other end connects with mobile roof support, and displacement cylinder connects with mobile roof support, heater stand.
2. the plastic suction forming apparatus of inner container of electric refrigerator according to claim 1, it is characterized in that: said heater stand and displacement cylinder are fixedly connected, and the other end and the mobile roof support of displacement cylinder are fixedly connected; Gear is installed on heater stand, tooth bar is installed on mobile roof support, wheel and rack cooperates.
3. the plastic suction forming apparatus of inner container of electric refrigerator according to claim 1 is characterized in that: said heater stand front and back ends articulates with displacement cylinder respectively, the other end of displacement cylinder and mobile roof support pivot joint.
4. according to the plastic suction forming apparatus of claim 1,2 or 3 described inner container of electric refrigerator; It is characterized in that: said material carrying mechanism is made up of the bar that connects material, shaft seat, material folding rotating shaft, feeding cylinder, rotating shaft and transmission adjustment screw rod; The bar that connects material is fixed on the lowering or hoisting gear; Be fixed with the material folding plate in the material folding rotating shaft; The pivot joint of cylinder support, the other end and rotating shaft on feeding cylinder one end and the lowering or hoisting gear are fixedly connected, and rotating shaft is installed in two monaural articulated joints, transmission adjustment screw rod one end and rotating shaft is fixedly connected, the other end and material folding rotating shaft are fixedly connected.
5. according to the plastic suction forming apparatus of claim 1,2 or 3 described inner container of electric refrigerator; It is characterized in that: said material carrying mechanism comprises the bar that connects material, shaft seat, material folding rotating shaft, feeding cylinder; The bar that connects material is fixed on the lifting platform of lowering or hoisting gear, and shaft seat is fixed on the bar that connects material, and material folding rotating shaft and shaft seat articulate; Material folding rotating shaft and lowering or hoisting gear articulate; Be fixed with the material folding plate in the material folding rotating shaft, the cylinder support pivot joint on feeding cylinder one end and the lifting platform, the other end and " Y " type support articulate, and " Y " type support and material folding rotating shaft are fixedly connected.
6. according to the plastic suction forming apparatus of claim 1,2 or 3 described inner container of electric refrigerator; It is characterized in that: retainer travel mechanism is made up of lowering or hoisting gear, running gear; Lowering or hoisting gear is made up of cylinder, lifting platform, pedestal, guide rod and directive wheel; Cylinder one end is fixed on the lifting platform, the other end is fixed on the pedestal; Four guide rod one ends are fixedly connected with lifting platform respectively, guide rod passes bar hole and matched in clearance on the pedestal, and two directive wheel mirror image settings cooperate with guide rod, directive wheel and be fixed on wheel carrier pivot joint on the pedestal;
Said running gear comprises motor, reductor, gear shaft, gear and is installed in the tooth bar on the support; Motor, reductor are fixed on the pedestal, and the rear end of gear shaft and pedestal articulates, and reductor cooperates with gear shaft; The two ends fixed gear of gear shaft, wheel and rack cooperates; The front end both sides of pedestal also are provided with driven gear, and the driven tooth wheel and rack cooperates; Running roller also is installed on lifting platform, and running roller cooperates with the shiny surface of tooth bar.
7. according to the plastic suction forming apparatus of claim 1,2 or 3 described inner container of electric refrigerator, it is characterized in that: retainer travel mechanism is made up of lowering or hoisting gear, running gear; Said lowering or hoisting gear comprises cylinder, lifting platform, pedestal, guide rod and directive wheel, and cylinder one end is fixed on the lifting platform, on the other end fixed base; Guide rod one end and lifting platform are fixedly connected, and the other end passes the bar hole on the pedestal, on the upper and lower surface of pedestal, are separately installed with four directive wheels and cooperate with guide rod;
Said running gear comprises motor, reductor, gear shaft, gear and is installed in the tooth bar on the support; Motor, reductor are fixed on the pedestal, and the rear end of gear shaft and pedestal articulates, and reductor cooperates with gear shaft; The two ends fixed gear of gear shaft, wheel and rack cooperates; The front end both sides of pedestal also are provided with driven gear, and the driven tooth wheel and rack cooperates; Running roller also is installed on lifting platform, and running roller cooperates with the shiny surface of tooth bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810030231 CN101342775B (en) | 2008-08-18 | 2008-08-18 | Plastics sucking moulding apparatus for inner container of electric refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810030231 CN101342775B (en) | 2008-08-18 | 2008-08-18 | Plastics sucking moulding apparatus for inner container of electric refrigerator |
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| Publication Number | Publication Date |
|---|---|
| CN101342775A CN101342775A (en) | 2009-01-14 |
| CN101342775B true CN101342775B (en) | 2012-02-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810030231 Active CN101342775B (en) | 2008-08-18 | 2008-08-18 | Plastics sucking moulding apparatus for inner container of electric refrigerator |
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| CN (1) | CN101342775B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102205629B (en) * | 2011-01-20 | 2014-04-09 | 安徽鲲鹏装备模具制造有限公司 | Box liner molding machine with multiple stations |
| CN107671532B (en) * | 2017-10-27 | 2019-01-25 | 安徽艾普智能装备有限公司 | A kind of inner container of icebox Cha Dan mechanism |
| CN107671531B (en) * | 2017-10-27 | 2019-03-05 | 安徽艾普智能装备有限公司 | A kind of refrigerator inserts gallbladder machine automatically |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2071125U (en) * | 1989-07-06 | 1991-02-13 | 新安江制冷设备厂 | Vacuum thermo moulding device |
| CA2204969C (en) * | 1996-06-28 | 2002-03-12 | Randy R. Rhoades | Method and apparatus for thermoforming a plastic appliance door |
-
2008
- 2008-08-18 CN CN 200810030231 patent/CN101342775B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2071125U (en) * | 1989-07-06 | 1991-02-13 | 新安江制冷设备厂 | Vacuum thermo moulding device |
| CA2204969C (en) * | 1996-06-28 | 2002-03-12 | Randy R. Rhoades | Method and apparatus for thermoforming a plastic appliance door |
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| CN101342775A (en) | 2009-01-14 |
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Effective date of registration: 20160331 Address after: Guangdong province Zhongshan City Dongfu road 528427 Nantou Town, No. 54 Patentee after: GUANGDONG HOMA REFRIGERATOR CO., LTD. Address before: 528427 Guangdong Province, Zhongshan city Nantou town Shenghui North Industrial Zone, Omar electrical Limited by Share Ltd Patentee before: Guangdong Homa Appliances Co., Ltd. |