WO2008081479A1 - Conveyor apparatus with overlapping conveyor belts for leather, or similar, drying plants, or treatment plants in general, in controlled environments - Google Patents
Conveyor apparatus with overlapping conveyor belts for leather, or similar, drying plants, or treatment plants in general, in controlled environments Download PDFInfo
- Publication number
- WO2008081479A1 WO2008081479A1 PCT/IT2006/000878 IT2006000878W WO2008081479A1 WO 2008081479 A1 WO2008081479 A1 WO 2008081479A1 IT 2006000878 W IT2006000878 W IT 2006000878W WO 2008081479 A1 WO2008081479 A1 WO 2008081479A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- belts
- chains
- stretching means
- conveyor
- belt
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C3/00—Stretching, tentering or spreading textile fabrics; Producing elasticity in textile fabrics
- D06C3/02—Stretching, tentering or spreading textile fabrics; Producing elasticity in textile fabrics by endless chain or like apparatus
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B1/00—Manufacture of leather; Machines or devices therefor
- C14B1/58—Drying
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B17/00—Details of apparatus or machines for manufacturing or treating skins, hides, leather, or furs
- C14B17/06—Work feeding or clamping devices
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C27/00—Compound processes or apparatus, for finishing or dressing textile fabrics, not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
- F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
- F26B13/101—Supporting materials without tension, e.g. on or between foraminous belts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
- F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
- F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
- F26B15/18—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of materials being carried by endless belts
Definitions
- the present invention relates to a leather, or similar conveyor apparatus, for drying or treatment in general plants, in controlled environments.
- the invention relates to a conveyor apparatus of a type in which the leathers, or other products, to be conveyed through the treatment chamber, are restrained between overlapping conveyor belts.
- the products are dragged through these plants by means of chain or tape conveyor systems, in which the skins to be dried are moved through the treatment chamber hanged or laying on conveyor belts.
- Conveyor apparatus with overlapping belts are also used, where two belts run adjacent one to the other, so that the drying skins proceed laying on the lower belt and they are kept in a flat position by the pressure exerted by the upper belt.
- a set of guide rollers keeps these belts longitudinally stretched, guiding them through a specific path inside the drying chamber.
- Said path is as long as possible, for a given length of the plant, in order to optimize the efficiency of the plant itself, both from an energetic point of view and from a logistic one.
- Said belts are coupled one on top the other just downstream the loading station, then they perform the same run inside the drying chamber and they separate, keeping different directions, when they get close to the unloading station; at the beginning and ending sections of their run the belts are obviously kept separate to allow the loading and unloading of the transported products.
- the presence of loading and unloading stations involves a certain complexity of the present mechanical actuators of this type of conveyor belts.
- the belts are made move thanks to an electric actuator which rotates at least one of the guide rollers, and from this last, by a link chain and gear wheels mounted at the end of each roller, the motion is transmitted and the belts are dragged.
- Such actuating system rises considerable reliability problems when it has to assure the perfect synchronism in the feeding movement of the two belts in correspondence to the loading and unloading stations; in fact, in such zones, one of the belts has to couple and uncouple with an auxiliary transmission chain which follows a path which is other from the one followed by the main transmission chain.
- a leather, or similar products, conveyor apparatus for drying or treatment in general plants, in controlled environments, in which said products are carried through the treatment chamber by means of conveyor belts overlapping along a specific section of their path from a loading area and an unloading area of said products, said apparatus being characterized by the fact that each of said conveyor belts is provided with its own couple of transmission chains, one at each side, along the whole length of its path comprising the loading and unloading areas, the transmission chains of said two belts being substantially complanate along the section of path in which the two belts overlap and being, furthermore strictly synchronized each other.
- the transmission chains are actuated by at least one motor reduction unit acting upon the guide rollers of said chains which gear which couples of gear wheels at the ends of the rollers.
- the apparatus comprises, for each of the two conveyor belts, transversal stretching means apt to engage with longitudinal guiding bars running externally with respect to the chains, or apt to engage with the chains themselves which, in this case, are kept firmly in their mutual position with respect to the belts by means of guiding members made of a self-lubricating material engaging with the internal side of the chain links.
- the transversal stretching means of one of the belts engage in notches or grooves of the other belts chain links, so binding even more the movement of the chains connected to one belt to the movement of the chains connected to the other belt.
- the transversal stretching means belonging to the first belt easily disengage the chains of the second belt, and vice versa.
- the stretching means belonging to one belt keep bound, even in said sections of the path, to the chains of that belt, so granting a proper stretching of the belt in every section of the path.
- FIG. 1 shows a sketched side view of a leather, or similar, conveyor apparatus according to the invention
- FIG. 1 shows a sketched front view of the apparatus of fig.1;
- FIG. 3 shows a detail of the view of fig.1 relating to the loading and unloading stations of skins, or similar products, of the apparatus of fig.1;
- FIG. 4 shows a detail, in perspective view, still relating to the loading and unloading area of the skins, of the apparatus of fig.1;
- - figure 5 shows a further perspective view relating, in particular, to an end of the guide rollers of the apparatus of fig.1;
- - figure 6 shows a detailed view of an end of a guide roller placed in the loading and unloading area shown in fig.4;
- FIG. 7 shows a perspective view, in detail, similar to the view of fig.5 but referring to a different embodiment of the invention
- - figure 8 shows a sketched side view of the embodiment of fig.7; - figures 9 and 10 show section views obtained by the section plane A-A of fig.8.
- FIG. 1 Referring to fig.1 is shown as a whole with 10 a conveyor apparatus with overlapping belts, for drying plants for leather or similar products.
- a frame comprising pillars, 11, and crossbars, 12, arranged to form substantially the shape of a box, is fixed a set of guide rollers, 13, that stretch two conveyor belts,
- the skins, or the other products to be dried are inserted in the conveyor apparatus and then taken from at the and of the drying process.
- the two belts run the following path.
- the first belt, 14, goes over roller 19, then, after running along all the guide rollers, 13, inside the drying chamber, gets roller 24 at the unloading station, 17, and, finally, reaches the starting point (roller 18).
- the conveyor belts run therefore overlapped along almost all their path, from roller 18 to roller 24, taking different ways after this last and meeting again at roller 18.
- the belts are dragged thanks to the presence of a motor reduction unit, not shown in figure, geared to one of the guide rollers 13.
- a motor reduction unit not shown in figure, geared to one of the guide rollers 13.
- gear wheels, 25, which gear with transmission chains which run parallel the belts, from roller to roller, transmitting the torque to the rollers themselves.
- Two chains, 26, one per side, are joined to the belt 14, running parallel the belt along all its path; two more chains, 27, one per side, are joined to the belt 15, these too running parallel the belt along all its path.
- the chains 26, 27 are kept in the right position with respect to the belts by sliding means, 41, in polymeric self-lubricating material, which, as you can clearly see in fig.10, comprise lateral protrusions which couple with the internal surfaces of the chain links, the sliding means 41 being firmly fastened to the pillars 11 of the frame of the apparatus.
- the rods, 29, of the transversal stretching means of belt 15 pass through specific holes, 34, made in some of the chain links, 35 ,of the transmission chain, 27, combined with said belt.
- the rods of the stretching means of belt 14 pass through similar holes made in the chain links of chain 26 combined with this second belt.
- the relative chains, 26 and 27, are perfectly complanate, running side by side beside the belts.
- Said grooves, 36 and 37 are shaped so that their lateral sloping surfaces make the stretching means, 28, 28', more easily engage with and disengage from the chains 27 and 26, while, at the same time, the flat surfaces at the bottom of the grooves form stable housings for said stretching means along the section of the path in which the belts overlap and the chains run side by side.
- the way the apparatus works provides that the skins to be dried, once loaded on belt 14, at the loading station 16, enter the drying chamber and, laying between the two belts, go through the chamber from its upper part to its bottom until they exit and reach the unloading station, 17, where laying on belt 15, they can be taken by a worker or let drop to a box or on a further conveyor belt not part of the apparatus.
- the separation and following rejoining of the two belts at the loading and unloading areas occur in an automatic and reliable way according to the previously disclosed procedures, just thanks to the specific shape of the links of the transmission chains.
- the effectiveness and safeness of the above disclosed conveyor system are particularly high as a consequence of its great simplicity and functionality.
- the transversal stretching means, 28, 28' may be differently shaped or they may be made, completely or in part, in a not metallic material.
- the small wheels, 30, for instance, could be replaced by sliding elements, still apt to engage with longitudinal guiding bars, 31, too differently shaped too.
- grooves, 36 and 37, of the links of the transmission chains may be cut according to a different shape, still suitable to facilitate engaging with and disengaging from said stretching means 28, 28'.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Structure Of Belt Conveyors (AREA)
- Drying Of Solid Materials (AREA)
- Treatment Of Fiber Materials (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0622224-2A BRPI0622224A2 (en) | 2006-12-28 | 2006-12-28 | conveyor apparatus with overlapping conveyor belts for drying plants or general leather or similar treatment plants in controlled environments |
PCT/IT2006/000878 WO2008081479A1 (en) | 2006-12-28 | 2006-12-28 | Conveyor apparatus with overlapping conveyor belts for leather, or similar, drying plants, or treatment plants in general, in controlled environments |
CNA2006800568189A CN101605912A (en) | 2006-12-28 | 2006-12-28 | The overlapping conveyor belts controlled delivery device of the dry or general treatment facility of leather etc. |
KR1020097013398A KR20100014288A (en) | 2006-12-28 | 2006-12-28 | Conveyor apparatus with overlapping conveyor belts for leather, or similar, drying plants, or treatment plants in general, in controlled environments |
TR2009/04939T TR200904939T1 (en) | 2006-12-28 | 2006-12-28 | Carrier apparatus with overlapping conveyor belt for leather or similar drying plants or processing plants, usually in controlled environments. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IT2006/000878 WO2008081479A1 (en) | 2006-12-28 | 2006-12-28 | Conveyor apparatus with overlapping conveyor belts for leather, or similar, drying plants, or treatment plants in general, in controlled environments |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008081479A1 true WO2008081479A1 (en) | 2008-07-10 |
Family
ID=38723966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IT2006/000878 WO2008081479A1 (en) | 2006-12-28 | 2006-12-28 | Conveyor apparatus with overlapping conveyor belts for leather, or similar, drying plants, or treatment plants in general, in controlled environments |
Country Status (5)
Country | Link |
---|---|
KR (1) | KR20100014288A (en) |
CN (1) | CN101605912A (en) |
BR (1) | BRPI0622224A2 (en) |
TR (1) | TR200904939T1 (en) |
WO (1) | WO2008081479A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104854248A (en) * | 2012-10-05 | 2015-08-19 | 埃雷特雷股份公司 | Industrial plant for drying and/or conditioning flexible laminar surfaces |
CN105806066A (en) * | 2014-12-31 | 2016-07-27 | 肖斌 | Intelligent natural leather automatic processing device provided with constant temperature and humidity control system |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102808047A (en) * | 2011-06-02 | 2012-12-05 | 昆山阿基里斯人造皮有限公司 | Ripening chamber |
CN104313197B (en) * | 2013-08-07 | 2016-05-04 | 浙江富邦集团有限公司 | A kind of structure improved leather drier |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3545095A (en) * | 1968-09-17 | 1970-12-08 | Svit Np | Method and apparatus for treating leather |
-
2006
- 2006-12-28 BR BRPI0622224-2A patent/BRPI0622224A2/en not_active IP Right Cessation
- 2006-12-28 KR KR1020097013398A patent/KR20100014288A/en not_active Application Discontinuation
- 2006-12-28 CN CNA2006800568189A patent/CN101605912A/en active Pending
- 2006-12-28 WO PCT/IT2006/000878 patent/WO2008081479A1/en active Application Filing
- 2006-12-28 TR TR2009/04939T patent/TR200904939T1/en unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3545095A (en) * | 1968-09-17 | 1970-12-08 | Svit Np | Method and apparatus for treating leather |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104854248A (en) * | 2012-10-05 | 2015-08-19 | 埃雷特雷股份公司 | Industrial plant for drying and/or conditioning flexible laminar surfaces |
CN105806066A (en) * | 2014-12-31 | 2016-07-27 | 肖斌 | Intelligent natural leather automatic processing device provided with constant temperature and humidity control system |
Also Published As
Publication number | Publication date |
---|---|
CN101605912A (en) | 2009-12-16 |
BRPI0622224A2 (en) | 2012-01-03 |
TR200904939T1 (en) | 2009-11-23 |
KR20100014288A (en) | 2010-02-10 |
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