CN2467323Y - Non-contact type hot-press apparatus for making layered products - Google Patents
Non-contact type hot-press apparatus for making layered products Download PDFInfo
- Publication number
- CN2467323Y CN2467323Y CN 01204788 CN01204788U CN2467323Y CN 2467323 Y CN2467323 Y CN 2467323Y CN 01204788 CN01204788 CN 01204788 CN 01204788 U CN01204788 U CN 01204788U CN 2467323 Y CN2467323 Y CN 2467323Y
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- hot
- heater
- pressing
- press arrangement
- pressing piece
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- 238000007731 hot pressing Methods 0.000 claims abstract description 34
- 238000003825 pressing Methods 0.000 claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 239000007787 solid Substances 0.000 claims description 10
- 230000005855 radiation Effects 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 abstract description 25
- 239000000463 material Substances 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 9
- 238000000465 moulding Methods 0.000 abstract description 9
- 239000003292 glue Substances 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 239000004831 Hot glue Substances 0.000 description 14
- 239000011888 foil Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 11
- 230000033001 locomotion Effects 0.000 description 6
- 238000010257 thawing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 208000036829 Device dislocation Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
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- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The utility model belongs to the manufacture field of rapid formation, which comprises a heater, a supporting plate, pressing components, and a protecting cover, wherein, the protecting cover and the pressing component are parallelly arranged on the lower surface of the supporting plate, and the protecting cover is provided with the heater. The lowest points of the protecting cover and the heater are slightly higher than the lowest contour of the pressing component. The device uses a thermal radiating mode to transfer heat to shaped materials for melting thermokarst glue. The utility model has the characteristics of sufficient and uniform melt of the thermokarst glue, high adhesive quality, stable heating temperature, quick temperature response, and less temperature fluctuation. The utility model can greatly improve hot pressing speed and shorten a molding cycle to further improve the efficiency of hot pressing technology.
Description
The utility model belongs to quick shaping manufacturing technology field, particularly is used for the device structure design that laminated solid body is made.
Laminated solid body manufacturing (LOM-Laminated Object Manufacturing) is a kind of technology in rapid prototyping (RapidPrototyping the is called for short RP) manufacturing technology.LOM process using foil material, as paper, plastic sheeting, metal etc. as moulding material.Foil LOM system is based on CO
2The method of laser cutting material thin-layer earlier at foil surface applied one deck PUR, expands one level on workbench then, and hot pressing roller hot pressing foil makes it bonding with the following workpiece that has been shaped; X-Y sweep mechanism that the optically focused border is housed by computer control according to the machined layer surface information is along setting orbiting motion, cut out the cross section profile of an aspect of part on just bonding new layer by laser beam, the square net that redundance cuts out consistency from top to bottom between cross section profile and the housing is convenient to post processing.One deck cuts, and workbench drives the workpiece that has been shaped and descends, and separates with banded foil (strip); Feeding machanism rotates collecting shaft and feed axle, drives strip and moves, and new layer is moved on on the machined layer, repeats process again and finishes up to all numbers of plies.
By top introduction as can be known, in the laminated solid body manufacturing process, workpiece is formed by the bonding layer by layer accumulation of foil.The foil that scribbles hot melt adhesive heated glue to be melted and roll the technology that itself and shaped portion are bonded together be a key technology, directly influenced technology finish and be shaped after workpiece quality.In the laminated solid body manufacturing system, this technology is finished by hot-press arrangement.Existing hot-press arrangement mainly contains following two kinds of forms.
1. roll-type hot-press arrangement:
Adopting the roll-type hot-press arrangement to carry out hot pressing bonding is a kind of hot pressing mode that is widely adopted, and just adopts this mode as the Helisys company of the U.S..As shown in Figure 1, this device comprises the gripper shoe 11 that links together with former, the hot pressing roller 15 that heater element is equipped with in inside is fixed on the gripper shoe 11 by support 13 and connecting rod 14, spring 12 is installed between gripper shoe and the support, its effect is when heating platen is worked, and certain adjustment amount can be arranged in vertical direction.During work, hot pressing roller 15 makes it to bond together with workpiece at surface of the work roll extrusion foil, finishes hot pressing.
The main feature of the hot pressing mode that this device adopted is to carry out thermo-compression bonding with a warm-up mill, and heater element is equipped with in hot pressing roller inside, and heat passes to foil and hot melt adhesive by the hot pressing roller.The hot pressing roller is by heating moulding material in the rolling on foil surface and finishing simultaneously and roll technique for sticking.
Because what this hot-press arrangement adopted is the contact mode of heating, promptly heater is installed in the backer roll, and heat is passed to the hot pressing roller by heater, and the surface by the hot pressing roller passes to moulding material again.Because between hot pressing roller and the foil is that line contact, contact-making surface is little, has reduced heat transference efficiency on the one hand, thereby has reduced bonding efficiency, makes heat concentrated on the other hand again, and the situation of being heated of part is poor, can cause bigger part deformation, is difficult to make heavy parts.
2. board-like hot-press arrangement:
This apparatus structure this device as shown in Figure 2 links together by the main body of gripper shoe 21 with former, heater element 24 is installed between base plate 25 and the upper plate 23, formed the integral body of heating platen, this part is fixed together by connecting plate 22 and gripper shoe 21.During work, heating platen is by heating moulding material in the slip on foil surface and finishing simultaneously and roll technique for sticking.
The board-like hot-press arrangement of above-mentioned hot pressing is a patented technology at Tsing-Hua University laser fast forming center, and its feature is to carry out thermo-compression bonding with a heating platen, and heater element is equipped with in heating platen inside, and heat passes to foil and hot melt adhesive by heating platen.Heating platen is that face contacts with surface of the work, has improved hot pressing efficient, but owing to adopt rigid structure, to the flatness of piece surface, the depth of parallelism of heating platen plane and piece surface has the requirement of comparison strictness, otherwise can be difficult to guarantee compacting, influences bonding quality.And this hot pressing mode also is to utilize heat conducting principle, the foil that heat transferred is contacted with it, realize the thawing of hot melt adhesive and then finish technique for sticking, therefore there is the lower problem of hot pressing efficient equally in this hot pressing mode, can not satisfy the desired high-speed and high efficiency of the big part that is shaped.
The common feature of existing hot-press arrangement be need by with the contacted press member in part forming surface with the heat transferred moulding material, heating is carried out simultaneously with pressurization.This hot pressing mode needs therefore to require heating element heater well to contact with piece surface by the heat transferred hot melt adhesive of heat conducting mode with heating element heater; Because heating is carried out simultaneously with pressurization, and the thawing of hot melt adhesive has a response time, has therefore limited the raising of hot pressing speed.
The purpose of this utility model is for overcoming the weak point of prior art, design a kind of contactless hot-press arrangement that laminated solid body is made that is used for, this device utilizes thermal-radiating mode with the heat transferred moulding material, and then hot melt adhesive melted, have abundant, the evenly thawing of the hot melt adhesive of making, bonding quality height, the characteristics that heating-up temperature is stable, temperature-responsive is fast, temperature fluctuation is little can increase substantially hot pressing speed, shorten forming period, thereby further improve the efficient of heat pressing process.
A kind of contactless hot-press arrangement that is used for the laminated solid body manufacturing of the utility model design, mainly comprise a heater, a gripper shoe, several parts of a pressing piece, it is characterized in that, also comprise a guard shield, this guard shield and pressing piece are installed on the lower surface of gripper shoe side by side, heater is housed in the guard shield, and the minimum position of guard shield and heater is a little more than the minimum outline line of pressing piece.
The utility model also can comprise one second pressing piece, and two pressing pieces place the both sides of said electric heater respectively.
The said pressing piece of the utility model can be round roller or hot pressing flat board.
The said electric heater of the utility model can be straight type tubular metal infra-red radiation electric heater.
The utility model also can comprise an auxiliary baffle mechanism that is installed on the said gripper shoe, and it is made up of baffle plate, 4 steamboats, two guide rails, connecting plate, motor and leading screws; This baffle plate is supported on two guide rails by 4 steamboats, and one side of baffle plate links to each other with the lower end of connecting plate, and the upper end of connecting plate links to each other with leading screw, and leading screw is installed on the motor shaft.
The utility model is compared with other several hot-press arrangements and is mainly contained following several characteristics:
1) owing to the contactless heat radiation mode of heating of employing, heat transmission can not be subjected to the influence of formation of parts surface planarity, and is bigger in the heating surface area of synchronization moulding material, can make abundant, the even thawing of hot melt adhesive, greatly improved bonding quality.
2) heating-up temperature is stable.Overcome the shortcoming that contact heating means thermal capacity is too little, temperature fluctuation is big;
3) heating separates with hot pressing.Hot-press arrangement is divided into two parts, and a front part is a heater, and the back is the pressurization adhering device, and its technical process is exerted pressure to it for earlier hot melt adhesive fully being melted again, and at this moment the temperature of hot melt adhesive progressively reduces, and finishes technique for sticking.
4) because heat directly offers moulding material by heating element heater, and its temperature-responsive is fast, and temperature fluctuation is little, can increase substantially hot pressing speed, shorten forming period.In addition because bonding reliable, realized the one-way operation (in other laminated solid body manufacturing equipment, reliably bonding, all need heating platen (roller)) of heat pressing process, thereby further improved the efficient of heat pressing process twice of the reciprocal hot pressing of foil for guaranteeing.
Brief Description Of Drawings:
Fig. 1 is existing a kind of roll-type hot-press arrangement structural representation.
Fig. 2 is existing a kind of board-like hot-press arrangement structural representation.
Fig. 3 is a contactless hot-press arrangement structural representation of the present utility model.
Fig. 4 is contactless hot-press arrangement structure embodiment one schematic diagram of the present utility model.
Fig. 5 is contactless hot-press arrangement structure embodiment two schematic diagrames of the present utility model.
Fig. 6 is contactless hot-press arrangement structure embodiment three schematic diagrames of the present utility model.
The contactless hot-press arrangement that is used for the laminated solid body manufacturing of the utility model design is described in detail as follows in conjunction with three kinds of example structure:
Basic structure of the present utility model as shown in Figure 3, this device is made up of 31 heaters, 32 gripper shoes, 33 pressing pieces, several parts of 34 guard shields.Wherein, guard shield 34 and pressing piece 33 are installed on the lower surface of gripper shoe 32 side by side, and heater 31 is housed in the guard shield, and the minimum position of guard shield and heater is a little more than the minimum outline line of pressing piece 33.During work, along with installing from right past left movement, workpiece 35 is contactlessly shone in the heat radiation that is produced by heater earlier, will be positioned at the hot melt adhesive thawing of the strip lower surface of surface of the work, roll strip by at the heel pressing piece 33 again, strip is bonded at the surface of Forming Workpiece.
The concrete structure of three kinds of embodiment of the present utility model is respectively described below in conjunction with the accompanying drawings:
The structure of embodiment one as shown in Figure 4, among the figure, the chief component of hot-press arrangement comprises: electric heater 45, guard shield 44, pressing piece 46 and gripper shoe 41.Wherein, electric heater 45 for straight type tubular metal infra-red radiation electric heater, guard shield 44 by interior plate 443, outer panel 441 and in being filled in the insulation material 442 between the outer panel constitute, its effect is to prevent that the heat that heater discharges scatters and disappears from other directions.The cross sectional shape of interior plate 443 is the semicircle arcuation, and electric heater 45 is installed in its circle centre position, and the energising back just can produce heat radiation, and strip is carried out heating heat to be provided by it; Heat radiation can improve the thermal efficiency by the interior plate reflection to the strip that is positioned at its below like this.Pressing piece is the round steel roller 46 of an outer surface with silicon rubber, when device moved from right to left, it was exerted pressure to the strip that surperficial hot melt adhesive has melted in strip and Forming Workpiece surface rolling, finish the bonding task of rolling of strip, its surperficial rubber layer can provide certain elasticity.Pressing piece 46 and guard shield 44 are installed on the gripper shoe 41 side by side.
The utility model also comprises an auxiliary baffle mechanism, and it is made up of baffle plate 473, steamboat 474, guide rail 472, connecting plate 471, motor 42 and leading screw 43; Its effect is when device is in non-period of heating in the working cycles, intercepts the radiation of heater to the strip that is positioned at the below, only just controls it and open when needs heat strip.Baffle plate 473 is supported on two guide rails 472 by 4 steamboats 474, one end of baffle plate 473 links to each other with the lower end of connecting plate 471, the upper end of connecting plate 471 links to each other with leading screw 43, motor 42 drives leading screw 43 and rotates, make connecting plate 471 side-to-side movements and drive baffle plate 473 and do rectilinear motion along guide rail 472, thereby realize opening and closing movement of baffle mechanism 47, baffle mechanism is installed on the gripper shoe 41, and wherein gripper shoe 41 is installed on the former.
The structure of embodiment two as shown in Figure 5, in this example, the structure of other parts is all identical with embodiment one with operation principle, its difference be to exert pressure in this example pressing piece of bonding task is a hot pressing flat board 51, rather than the round steel roller 46 of the silicon rubber in the example one, its feature is that the bottom surface is a smooth flat, when mechanism moves from right to left, it slides on the strip surface, the strip that surperficial hot melt adhesive has melted is exerted pressure, with its surface of Forming Workpiece that bonds to the below, finish the bonding task of exerting pressure of strip.Its structure is equal to the heating platen 25 in the board-like hot-press arrangement with prior art.
The structure of embodiment three as shown in Figure 6, in this example, the structure of other parts is all identical with embodiment one with operation principle, its difference is that the hot pressing of finishing the bonding task of exerting pressure in this example partly has two parts, lay respectively at the both sides of heater radiation area, hot pressing circle roller 61 and 62 lays respectively at both sides, the thermal treatment zone as shown in the figure, its feature is that whole device can be realized two-way hot pressing, promptly both can in precedent, motion from right to left finish the bonding of strip, and also can move from left to right and finish bonding task.Part 61,62 also can adopt the structure of the hot pressing flat board 51 in the example 2.
Claims (5)
1, a kind of contactless hot-press arrangement that is used for the laminated solid body manufacturing, mainly comprise a heater, a gripper shoe, several parts of a pressing piece, it is characterized in that, also comprise a guard shield, this guard shield and pressing piece are installed on the lower surface of gripper shoe side by side, heater is housed in the guard shield, and the minimum position of guard shield and heater is a little more than the minimum outline line of pressing piece.
2, contactless hot-press arrangement as claimed in claim 1 is characterized in that, also comprises one second pressing piece, and two pressing pieces place the both sides of said electric heater respectively.
3, contactless hot-press arrangement as claimed in claim 1 is characterized in that, said pressing piece can be a kind of of round roller or hot pressing flat board.
4, contactless hot-press arrangement as claimed in claim 1 is characterized in that, said electric heater is straight type tubular metal infra-red radiation electric heater.
5, contactless hot-press arrangement as claimed in claim 1 is characterized in that, also comprises an auxiliary baffle mechanism that is installed on the said gripper shoe, and it is made up of baffle plate, 4 steamboats, two guide rails, connecting plate, motor and leading screws; This baffle plate is supported on two guide rails by 4 steamboats, and one side of baffle plate links to each other with the lower end of connecting plate, and the upper end of connecting plate links to each other with leading screw, and leading screw is installed on the motor shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01204788 CN2467323Y (en) | 2001-03-16 | 2001-03-16 | Non-contact type hot-press apparatus for making layered products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01204788 CN2467323Y (en) | 2001-03-16 | 2001-03-16 | Non-contact type hot-press apparatus for making layered products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2467323Y true CN2467323Y (en) | 2001-12-26 |
Family
ID=33625949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01204788 Expired - Fee Related CN2467323Y (en) | 2001-03-16 | 2001-03-16 | Non-contact type hot-press apparatus for making layered products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2467323Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100376961C (en) * | 2004-05-28 | 2008-03-26 | 鸿富锦精密工业（深圳）有限公司 | Method for manufacturing light guide plates |
| CN103009633A (en) * | 2012-12-28 | 2013-04-03 | 江苏大学 | Entity manufacturing method based on ultrathin layer wood-plastic composite material |
-
2001
- 2001-03-16 CN CN 01204788 patent/CN2467323Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100376961C (en) * | 2004-05-28 | 2008-03-26 | 鸿富锦精密工业（深圳）有限公司 | Method for manufacturing light guide plates |
| CN103009633A (en) * | 2012-12-28 | 2013-04-03 | 江苏大学 | Entity manufacturing method based on ultrathin layer wood-plastic composite material |
| CN103009633B (en) * | 2012-12-28 | 2015-11-25 | 江苏大学 | A kind of entity manufacture method based on superthin layer wood plastic composite |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |