阅读说明：本技术 一种纺织面料熨烫的加工设备 (Processing equipment for ironing textile fabric ) 是由 王明辉 于 2021-09-27 设计创作，主要内容包括：本发明涉及面料熨烫设备技术领域,尤其涉及一种纺织面料熨烫的加工设备,其包括工作台、蒸汽组件、熨烫组件和收卷组件；蒸汽组件、熨烫组件和收卷组件平行设置在工作台上,熨烫组件位于蒸汽组件和收卷组件之间；固定架A设置在工作台上,固定架A上设有电机A；滑块滑动设置在固定架A上,螺纹杆转动设置在固定架A上并与电机A动力连接,且螺纹杆与滑块螺纹连接；固定盘通过固定柱设置在滑块上,且固定盘上设有加热环；隔温盘转动设置在固定盘上,电机B设置在固定柱上并与隔温盘连接；熨烫棒转动设置在隔温盘上并伸向加热环,电力设备设置在工作台上,电线设置加热环上并穿过固定盘与电力设备电性连接。本发明熨烫效果好,不易损伤面料。(The invention relates to the technical field of fabric ironing equipment, in particular to processing equipment for ironing textile fabrics, which comprises a workbench, a steam assembly, an ironing assembly and a winding assembly, wherein the ironing assembly comprises a first rotating shaft, a second rotating shaft and a first rotating shaft; the steam assembly, the ironing assembly and the winding assembly are arranged on the workbench in parallel, and the ironing assembly is positioned between the steam assembly and the winding assembly; the fixing frame A is arranged on the workbench and is provided with a motor A; the sliding block is arranged on the fixing frame A in a sliding mode, the threaded rod is rotationally arranged on the fixing frame A and is in power connection with the motor A, and the threaded rod is in threaded connection with the sliding block; the fixed disk is arranged on the sliding block through the fixed column, and a heating ring is arranged on the fixed disk; the heat insulation disc is rotatably arranged on the fixed disc, and the motor B is arranged on the fixed column and connected with the heat insulation disc; the ironing rod is rotatably arranged on the heat insulation disc and extends to the heating ring, the power equipment is arranged on the workbench, and the electric wire is arranged on the heating ring and penetrates through the fixed disc to be electrically connected with the power equipment. The invention has good ironing effect and is not easy to damage the fabric.)

1. Processing equipment for ironing textile fabrics is characterized by comprising a workbench (1), a steam assembly (2), an ironing assembly (3) and a winding assembly (5);

the steam component (2), the ironing component (3) and the winding component (5) are arranged on the workbench (1) in parallel, and the ironing component (3) is positioned between the steam component (2) and the winding component (5); the ironing assembly (3) comprises a fixed frame A (9), a threaded rod (10), a sliding block (11), a fixed column (13), a motor B (14), a fixed disc (15), a thermal insulation disc (17), an ironing rod (18), an electric wire (19) and electric power equipment (20); two groups of fixed frames A (9) are respectively arranged at two sides of the workbench (1), and the fixed frames A (9) are provided with motors A (12); the sliding block (11) is arranged on the fixed frame A (9) in a sliding mode, the threaded rod (10) is arranged on the fixed frame A (9) in a rotating mode and connected with a rotating shaft of the motor A (12) in a rotating mode, and the threaded rod (10) is connected with the sliding block (11) in a threaded mode; the fixed disc (15) is arranged on the sliding block (11) through the fixed column (13), and the fixed disc (15) is provided with a heating ring (16); the heat insulation disc (17) is rotationally arranged on the fixed disc (15), the motor B (14) is arranged on the fixed column (13), and the rotating shaft of the motor B (14) penetrates through the heating ring to be connected with the heat insulation disc (17); the ironing rod (18) is rotatably arranged on the heat insulation disc (17) and extends to the heating ring (16), the power equipment (20) is arranged on the workbench (1), and the electric wire (19) is arranged on the heating ring (16) and penetrates through the fixed disc (15) to be electrically connected with the power equipment (20).

2. A textile fabric ironing process apparatus as claimed in claim 1 wherein the number of ironing bars (18) is four and the four groups of ironing bars (18) are distributed in a circular array on the thermal insulating disk (17).

3. A processing device for ironing textile fabrics, according to claim 1, characterized in that the steam assembly (2) comprises a support plate (6) and a blowing plate (8); two groups of supporting plates (6) are respectively arranged at two sides of the workbench (1), and a steam box (7) is arranged on the supporting plates (6); the blowing plate (8) is arranged on the steam box (7), and the blowing direction of the blowing plate (8) faces the textile fabric.

4. A processing apparatus for ironing textile fabric as claimed in claim 3, characterized in that the number of the blowing plates (8) is two, and the two groups of blowing plates (8) are symmetrically distributed on the upper and lower sides of the textile fabric with the textile fabric as the center.

5. A processing apparatus for ironing textile fabrics as claimed in claim 3, characterized in that the blowing plate (8) is provided with blowing slots having an inverted trapezoidal cross-section.

6. A processing apparatus for ironing textile fabrics, as claimed in claim 1, characterized by also comprising a drying assembly (4); the drying component (4) is arranged on the workbench (1) and is positioned between the ironing component (3) and the winding component (5); the drying assembly (4) comprises a fixing frame B (21), a drying roller (23), a mounting piece (24) and a locking piece (25); two groups of fixed frames B (21) are arranged at two sides of the workbench (1), and the fixed frames B (21) are provided with steering rollers (22); the mounting piece (24) is arranged on the fixing frame B (21) in a sliding mode, and the locking piece (25) is arranged on the mounting piece (24) in a sliding mode and is connected with the fixing frame B (21) in a threaded mode.

7. A processing device for ironing textile fabrics as claimed in claim 6, characterized in that four sets of deflecting rollers (22) are provided, in turn, deflecting roller A, deflecting roller B, deflecting roller C and deflecting roller D from the position close to the ironing assembly (3) to the winding assembly (5); the two groups of drying rollers (23) are respectively a drying roller A and a drying roller B; the drying roller A is positioned above the turning roller (22), the drying roller B is positioned below the turning roller (22), the drying roller A is positioned between the turning roller A and the turning roller B, and the drying roller B is positioned between the turning roller C and the turning roller D.

8. An ironing process device for textile fabrics, according to claim 6, characterized in that the locking element (25) is a hexagon socket head cap screw.

9. A textile fabric ironing process apparatus as claimed in any one of claims 1 to 8 further providing a method of operating the textile fabric ironing process apparatus, the method of operating comprising the steps of:

s1, starting a steam box (7) on the steam component (2) to work, and blowing air to the textile fabric through two groups of air blowing plates (8) which are arranged on the steam box (7) and are respectively positioned at the upper side and the lower side of the textile fabric;

s2, starting an electric device (20), heating a heating ring (16) through a wire (19) and heating an ironing rod (18), when the ironing rod (18) reaches an ironing temperature, starting a motor A (12) to drive a threaded rod (10) to move on a fixing frame A (9), enabling a sliding block (11) to drive a fixing column (13) and a fixing disc (15) to move until the ironing rod (18) is contacted with textile fabric, simultaneously starting a motor B (14) to drive a heat insulation disc (17) on the fixing disc (15) to rotate, and driving the ironing rod (18) to iron the textile fabric through the heat insulation disc (17); when the ironing rod (18) is in contact with the textile fabric and ironed, the ironing rod (18) rotates and extrudes the textile fabric to deform at a certain angle; four groups of ironing rods (18) circularly perform ironing;

s3, enabling the ironed textile fabric to enter a drying component (4) for dehumidification; during dehumidification, a plurality of groups of steering rollers (22) on the drying component (4) are matched with the drying rollers (23) to perform dehumidification and drying on two sides of the fabric;

s4, when the drying roller (23) needs to be replaced, the locking piece (25) is loosened and the limitation on the mounting piece (24) is cancelled, then the mounting piece (24) is taken out and the drying roller (23) is replaced, and finally the mounting piece (24) is mounted on the fixing frame B (21) through the locking piece (25);

and S5, finally, winding the dried fabric through a winding component (5).

Technical Field

The invention relates to the technical field of fabric ironing equipment, in particular to processing equipment for ironing textile fabrics.

Background

The production and processing processes of the textile industry generally comprise the working procedures of processing textile fabrics at present, wherein the most main processing method working procedures are ironing and deodorizing, and the fabrics have wrinkles due to the fact that the textile fabrics are just produced; the ironing at the present stage has the problem of excessive ironing, and the reason is mainly that in the ironing process, the heating panel is in contact with the textile fabric to be ironed, but the contact time of the heating panel and the textile fabric is not easy to control, so that the contact time is too long, the textile fabric is very easy to be burnt by high temperature to cause fabric wrinkles, and even fire disasters occur in danger.

The prior Chinese patent application No. CN202110750220.6 discloses a processing production device for ironing and deodorizing textile fabrics, wherein high-temperature high-pressure steam gas sprayed by a steam spray head faces the advancing direction of a smoothing push plate, so that the sprayed high-temperature high-pressure steam can penetrate through the textile fabrics between the smoothing push plate and a rotating base, the ironing effect can be achieved, and the problem that the textile fabrics are burnt due to the direct contact of a high-temperature heating plate and the textile fabrics is solved;

however, the above-mentioned publication still has disadvantages: the peculiar smell of only one side of the textile fabric can be removed and the fabric can be softened by the steam nozzle on the smoothing push plate, and meanwhile, the ironing is carried out by matching the smoothing push plate and the rotating base; the irregular wrinkles of the fabric may appear on any upper side and any lower side of the fabric, and if only one side of the fabric is provided with the hose, the fabric ironing effect is poor; meanwhile, the moisture of the fabric is prevented from being discharged by rotating the top plate for extrusion, and the fabric is easy to damage due to the fact that the textile fabric is movable.

Disclosure of Invention

The invention aims to provide processing equipment for ironing textile fabrics, which has good ironing effect and is not easy to damage fabrics, aiming at the problems in the background technology.

On one hand, the invention provides processing equipment for ironing textile fabrics, which comprises a workbench, a steam assembly, an ironing assembly and a winding assembly;

the steam assembly, the ironing assembly and the winding assembly are arranged on the workbench in parallel, and the ironing assembly is positioned between the steam assembly and the winding assembly; the ironing assembly comprises a fixing frame A, a threaded rod, a sliding block, a fixing column, a motor B, a fixing disc, a heat insulation disc, an ironing rod, an electric wire and electric power equipment; the two groups of fixing frames A are respectively arranged at two sides of the workbench, and the fixing frames A are provided with motors A; the sliding block is arranged on the fixing frame A in a sliding mode, the threaded rod is arranged on the fixing frame A in a rotating mode and connected with the rotating shaft of the motor A in a rotating mode, and the threaded rod is in threaded connection with the sliding block; the fixed disk is arranged on the sliding block through the fixed column, and a heating ring is arranged on the fixed disk; the heat insulation disc is rotatably arranged on the fixed disc, the motor B is arranged on the fixed column, and a rotating shaft of the motor B penetrates through the heating ring to be connected with the heat insulation disc; the ironing rod is rotatably arranged on the heat insulation disc and extends to the heating ring, the power equipment is arranged on the workbench, and the electric wire is arranged on the heating ring and penetrates through the fixed disc to be electrically connected with the power equipment.

Preferably, the number of the ironing rods is four, and the four groups of the ironing rods are distributed on the heat insulation disc in an annular array.

Preferably, the steam assembly comprises a support plate and a blowing plate; the two groups of supporting plates are respectively arranged at two sides of the workbench, and the supporting plates are provided with steam boxes; the air blowing plate is arranged on the steam box, and the air blowing direction of the air blowing plate faces the textile fabric.

Preferably, the number of the air blowing plates is two, and the two air blowing plates are symmetrically distributed on the upper side and the lower side of the textile fabric by taking the textile fabric as a center.

Preferably, the air blowing plate is provided with an air blowing groove with an inverted trapezoidal cross section.

Preferably, a drying component is also included; the drying component is arranged on the workbench and positioned between the ironing component and the winding component; the drying assembly comprises a fixing frame B, a drying roller, a mounting piece and a locking piece; the two groups of fixing frames B are arranged on two sides of the workbench, and the fixing frames B are provided with steering rollers; the installed part slides and sets up on mount B, and the retaining member slides and sets up on the installed part and with mount B threaded connection.

Preferably, four groups of steering rollers are arranged, namely a steering roller A, a steering roller B, a steering roller C and a steering roller D are arranged in sequence from the ironing assembly to the winding assembly; the two groups of drying rollers are respectively a drying roller A and a drying roller B; the drying roller A is positioned above the turning roller, the drying roller B is positioned below the turning roller, the drying roller A is positioned between the turning roller A and the turning roller B, and the drying roller B is positioned between the turning roller C and the turning roller D.

Preferably, the locking member is a socket head cap screw.

On the other hand, the invention also provides an operation method of the processing equipment for ironing the textile fabric, which comprises the following steps:

s1, starting a steam box on the steam assembly to work, blowing air to the textile fabric through two groups of air blowing plates which are arranged on the steam box and are respectively positioned on the upper side and the lower side of the textile fabric to soften the fabric, and disinfecting and removing peculiar smell;

s2, starting electric equipment, heating the heating ring through a wire and heating an ironing rod, when the ironing rod reaches an ironing temperature, starting a motor A to drive a threaded rod to move on a fixing frame A, enabling a sliding block to drive a fixing column and a fixing disc to move until the ironing rod is contacted with textile fabric, and simultaneously starting a motor B to drive a heat insulation disc on the fixing disc to rotate and drive the ironing rod to iron textile fabric; when the ironing bar is in contact with the textile fabric and ironed, the ironing bar rotates and extrudes the textile fabric to deform at a certain angle, so that wrinkles are eliminated efficiently; and prevents the face fabric from being scalded and damaged; circularly ironing by four groups of ironing rods, and ironing the fabric for multiple times;

s3, enabling the ironed textile fabric to enter a drying assembly for dehumidification; during dehumidification, the two sides of the fabric are dehumidified and dried by the aid of the multiple groups of steering rollers on the drying assembly and the drying rollers;

s4, when the drying roller needs to be replaced, the locking piece is loosened and the limitation on the mounting piece is cancelled, then the mounting piece is taken out and the drying roller is replaced, and finally the mounting piece is mounted on the fixing frame B through the locking piece;

and S5, finally, winding the dried fabric through a winding component.

Compared with the prior art, the invention has the following beneficial technical effects: the high-temperature steam is blown out of the two sides of the fabric to soften the fabric through the two groups of air blowing plates which are arranged on the steam component and are respectively positioned at the upper side and the lower side of the textile fabric, and meanwhile, the fabric is disinfected and peculiar smell is removed; the heating ring is heated through an electric wire by electric equipment, and the ironing rod is heated, at the moment, the motor B drives the temperature insulating disc on the fixed disc to rotate and drives the ironing rod to prepare for ironing textile fabrics; the motor A is started to drive the threaded rod to move on the fixing frame A, so that the sliding block drives the fixing column and the fixing disc to move until the ironing bar is in contact with the textile fabric, the ironing bar rotates when in contact with and ironing the textile fabric, and the textile fabric is extruded to deform at a certain angle, so that wrinkles are eliminated efficiently; circularly ironing by four groups of ironing rods, and ironing the fabric for multiple times; then the ironed fabric enters a plurality of groups of steering rollers on the drying assembly and is matched with the drying rollers to perform dehumidification and drying on the two sides of the fabric; when the drying roller needs to be replaced, the locking piece is loosened, the limitation on the mounting piece is cancelled, then the mounting piece is taken out, the drying roller is replaced, finally the mounting piece is mounted on the fixing frame B through the locking piece, and the dried fabric is wound through the winding assembly; according to the invention, the two groups of air blowing plates which are arranged on the steam assembly and are respectively positioned at the upper side and the lower side of the textile fabric blow high-temperature steam at the two sides of the textile fabric to soften the textile fabric, the ironing rod rotates when ironing the textile fabric, the textile fabric is not easily scalded, and the ironing effect is good; simultaneously, the two sides of the textile fabric are dehumidified by matching the two groups of drying rollers with the rotating rollers, so that the textile fabric is more convenient and is not easy to scratch.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

figure 2 is an exploded view of the ironing assembly of figure 1;

FIG. 3 is a schematic view of the drying assembly of FIG. 1;

FIG. 4 is a schematic structural view of the position of the ironing assembly and the textile fabric during ironing;

fig. 5 is a schematic view of the position structure of the drying component and the textile fabric during drying.

Reference numerals: 1. a work table; 2. a steam component; 3. an ironing assembly; 4. a drying assembly; 5. a winding component; 6. a support plate; 7. a steam box; 8. a blowing plate; 9. a fixed mount A; 10. a threaded rod; 11. a slider; 12. a motor A; 13. fixing a column; 14. a motor B; 15. fixing the disc; 16. a heating ring; 17. a thermal insulation disc; 18. ironing the bar; 19. an electric wire; 20. an electrical device; 21. a fixed mount B; 22. a turning roll; 23. a drying roller; 24. a mounting member; 25. and a locking member.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings.

Example one

As shown in fig. 1-2 and 4, the processing equipment for ironing textile fabrics provided by the invention comprises a workbench 1, a steam assembly 2, an ironing assembly 3 and a winding assembly 5;

the steam component 2, the ironing component 3 and the winding component 5 are arranged on the workbench 1 in parallel, and the ironing component 3 is positioned between the steam component 2 and the winding component 5; the ironing assembly 3 comprises a fixed frame A9, a threaded rod 10, a sliding block 11, a fixed column 13, a motor B14, a fixed disc 15, a heat insulation disc 17, an ironing rod 18, an electric wire 19 and electric power equipment 20; two groups of fixed frames A9 are respectively arranged at two sides of the workbench 1, and a motor A12 is arranged on the fixed frame A9; the sliding block 11 is arranged on the fixed frame A9 in a sliding mode, the threaded rod 10 is arranged on the fixed frame A9 in a rotating mode and is connected with a rotating shaft of the motor A12, and the threaded rod 10 is in threaded connection with the sliding block 11; the fixed disk 15 is arranged on the sliding block 11 through the fixed column 13, and the fixed disk 15 is provided with a heating ring 16; the heat insulation disc 17 is rotationally arranged on the fixed disc 15, the motor B14 is arranged on the fixed column 13, and the rotating shaft of the motor B14 penetrates through the heating ring to be connected with the heat insulation disc 17; the ironing rod 18 is rotatably arranged on the thermal insulation disc 17 and extends to the heating ring 16, the electric power equipment 20 is arranged on the workbench 1, and the electric wire 19 is arranged on the heating ring 16 and penetrates through the fixed disc 15 to be electrically connected with the electric power equipment 20; the number of the ironing rods 18 is four, and the four groups of the ironing rods 18 are distributed on the heat insulation disc 17 in an annular array manner, so that the textile fabric can be conveniently and continuously ironed; the steam assembly 2 comprises a support plate 6 and a blowing plate 8; the two groups of supporting plates 6 are respectively arranged at two sides of the workbench 1, and the supporting plates 6 are provided with steam boxes 7; the air blowing plates 8 are arranged on the steam box 7, the air blowing direction of the air blowing plates 8 faces the textile fabric, the number of the air blowing plates 8 is two, and the two air blowing plates 8 are symmetrically distributed on the upper side and the lower side of the textile fabric by taking the textile fabric as a center; the two sides of the textile fabric are conveniently ironed at high temperature to remove peculiar smell; be equipped with the gas blow groove that the cross section is the inverted trapezoid on the gas blowing board 8, conveniently concentrate steam, improve the effect.

In the embodiment, the two groups of air blowing plates 8 which are arranged on the steam component 2 and are respectively positioned at the upper side and the lower side of the textile fabric blow high-temperature steam at the two sides of the fabric to soften the fabric, and disinfect and remove peculiar smell at the same time; the heating ring 16 is heated by the electric device 20 through the electric wire 19, and the ironing bar 18 is heated, at this time, the motor B14 drives the heat insulation disc 17 on the fixed disc 15 to rotate and drives the ironing bar 18 to prepare for ironing textile fabrics; starting a motor A12 to drive a threaded rod 10 to move on a fixing frame A9, so that a sliding block 11 drives a fixing column 13 and a fixing disc 15 to move until an ironing rod 18 is in contact with the textile fabric, and when the ironing rod 18 is in contact with the textile fabric and ironed, the ironing rod 18 rotates and extrudes the textile fabric to deform at a certain angle, and wrinkles are efficiently eliminated; the four groups of ironing rods 18 circularly iron the fabric for multiple times; according to the invention, the two groups of air blowing plates 8 which are arranged on the steam component 2 and are respectively positioned at the upper side and the lower side of the textile fabric blow high-temperature steam at the two sides of the textile fabric to soften the textile fabric, the ironing rod 18 rotates when ironing the textile fabric, the textile fabric is not easily scalded, and the ironing effect is good.

Example two

Compared with the first embodiment, the processing equipment for ironing the textile fabric provided by the invention has the difference shown in fig. 3 and 5, and further comprises a drying component 4; the drying component 4 is arranged on the workbench 1 and is positioned between the ironing component 3 and the winding component 5; the drying assembly 4 comprises a fixing frame B21, a drying roller 23, a mounting piece 24 and a locking piece 25; two groups of fixed frames B21 are arranged at two sides of the workbench 1, and the fixed frame B21 is provided with a steering roller 22; the mounting piece 24 is arranged on the fixing frame B21 in a sliding mode, and the locking piece 25 is arranged on the mounting piece 24 in a sliding mode and is in threaded connection with the fixing frame B21; the locking piece 25 is an inner hexagonal screw, so that the installation and the disassembly are convenient; the four groups of steering rollers 22 are a steering roller A, a steering roller B, a steering roller C and a steering roller D in sequence from the ironing assembly 3 to the winding assembly 5; the drying rollers 23 are provided with two groups, namely a drying roller A and a drying roller B; the drying roller A is positioned above the turning roller 22, the drying roller B is positioned below the turning roller 22, the drying roller A is positioned between the turning roller A and the turning roller B, and the drying roller B is positioned between the turning roller C and the turning roller D.

In the embodiment, the fabric after ironing is dehumidified by the drying component 4, and during dehumidification, the two sides of the fabric are dehumidified and dried by the multiple groups of steering rollers 22 on the drying component 4 in cooperation with the drying rollers 23; when the drying roller 23 needs to be replaced, the locking piece 25 is loosened, the limitation on the mounting piece 24 is cancelled, then the mounting piece 24 is taken out, the drying roller 23 is replaced, finally the mounting piece 24 is mounted on the fixing frame B21 through the locking piece 25, and the dried fabric is wound through the winding assembly 5; the two sides of the textile fabric are dehumidified by the aid of the two groups of drying rollers matched with the rotating rollers, so that the textile fabric is more convenient and is not easy to scratch.

EXAMPLE III

The invention also provides an operation method of the processing equipment for ironing the textile fabric, which comprises the following steps:

s1, starting a steam box 7 on the steam component 2 to work, blowing air to the textile fabric through two groups of air blowing plates 8 which are arranged on the steam box 7 and are respectively positioned at the upper side and the lower side of the textile fabric to soften the fabric, and disinfecting and removing peculiar smell;

s2, starting the electric power device 20, heating the heating ring 16 through the electric wire 19 and heating the ironing rod 18, when the ironing rod 18 reaches the ironing temperature, starting the motor A12 to drive the threaded rod 10 to move on the fixing frame A9, so that the sliding block 11 drives the fixing column 13 and the fixing disc 15 to move until the ironing rod 18 is in contact with the textile fabric, and simultaneously starting the motor B14 to drive the heat insulation disc 17 on the fixing disc 15 to rotate, and the heat insulation disc 17 drives the ironing rod 18 to iron the textile fabric; when the ironing rod 18 is in contact with the textile fabric and ironed, the ironing rod 18 rotates and extrudes the textile fabric to generate deformation at a certain angle, so that wrinkles are efficiently eliminated; and prevents the face fabric from being scalded and damaged; the four groups of ironing rods 18 circularly iron the fabric for multiple times;

s3, enabling the ironed textile fabric to enter a drying component 4 for dehumidification; during dehumidification, the two sides of the fabric are dehumidified and dried by the aid of the multiple groups of steering rollers 22 on the drying assembly 4 and the drying rollers 23;

s4, when the drying roller 23 needs to be replaced, the locking piece 25 is released and the limitation on the mounting piece 24 is cancelled, then the mounting piece 24 is taken out and the drying roller 23 is replaced, and finally the mounting piece 24 is mounted on the fixing frame B21 through the locking piece 25;

and S5, finally, winding the dried fabric through a winding component 5.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.