CN220478898U - Bean miso raw material crushing device - Google Patents

Abstract

The utility model discloses a bean miso raw material crushing device, and relates to the technical field of raw material crushing equipment. The soybean extruding machine comprises a box body, wherein a material injection pipe is fixedly connected to the top of the box body, downward supporting legs are fixedly connected to the periphery of the bottom of the box body, an extruding assembly capable of extruding soybeans into blocks is arranged above the inside of the box body, a rectangular frame is arranged below the extruding assembly, and movable connecting rods are fixedly connected to the left side and the right side of the rectangular frame. According to the soybean peeling box, the first extrusion roller and the second extrusion roller can simultaneously rotate to extrude soybeans into blocks and fall down, the peeling assembly is driven, the block-shaped soybeans can separate the soybeans from soybean hulls through friction of the rollers, the rectangular frame is driven to vibrate in the box body through the movable connecting rod when the circular plate rotates, so that the soybeans in the rectangular frame are separated from the soybean hulls more thoroughly, and the soybean hulls are blown into the collecting holes through the fan assembly and are discharged through the first discharge pipe.

Description

Bean miso raw material crushing device

Technical Field

The utility model relates to the technical field of raw material crushing equipment, in particular to a bean miso raw material crushing device.

Background

Bean miso, also called fermented soybean paste, is prepared by fermenting semen glycines as main material with salt and different materials. In japan, miso is the most popular seasoning, which can be made into soup, cooked with meat into dishes, and made into soup bases of chafing dish. Since miso contains abundant proteins, amino acids and dietary fibers, the miso is beneficial to health when being eaten frequently, and the miso soup can warm up and refresh the stomach when being cooled in the weather.

Before making the bean miso, the soybeans are crushed into powder and then used for making the bean miso, but before the soybeans are crushed into powder, soybean hulls are removed, the soybeans are soaked for a period of time, the soaked soybeans are manually kneaded and peeled, and the peeled soybeans are dried and then crushed into powder, so that a large amount of manpower is required for operation, the time is extremely consumed, and the labor intensity of workers is high and the production efficiency is low.

To this end, a bean miso raw material crushing device is proposed.

Disclosure of Invention

The utility model aims at: the utility model provides a bean miso raw material crushing device, which aims to solve the problems that a large amount of manpower is needed for peeling soybeans to operate, so that the labor intensity of workers is high and the production efficiency is low.

The utility model adopts the following technical scheme for realizing the purposes:

the utility model provides a bean miso raw materials breaker, includes the box, the top fixedly connected with notes material pipe of box, the equal fixedly connected with decurrent supporting leg in bottom all around of box, the inside top of box is provided with the extrusion subassembly that can extrude the soybean piece, the below of extrusion subassembly is provided with the rectangle frame, the left and right both sides fixedly connected with movable connecting rod of rectangle frame, the movable connecting rod is the shape of falling ' Z ', the one end that the rectangle frame was kept away from to two movable connecting rods is fixed connection respectively in the left and right both sides of box inside, the inside of rectangle frame is provided with the peeling subassembly that can dehumidify the soybean, the below of peeling subassembly is provided with the fan subassembly that blows away the soybean skin, the collecting hole has been seted up to the rear side middle-end of box, the rear side and the position of collecting hole corresponds, the outer wall fixedly connected with of collecting hole falls ' L ' shape's first row material pipe, the bottom fixedly connected with crushing barrel of box, the inside of crushing barrel is provided with the crushing subassembly that breaks the soybean into powder.

Further, the extrusion subassembly includes fixed mounting at the first servo motor and the second servo motor on box left side outer wall top, second servo motor and first servo motor position symmetry and second servo motor are located first servo motor's front side, first servo motor's output runs through box and first squeeze roll fixed connection, first squeeze roll is located the inside top of box, second servo motor's output runs through box and second squeeze roll fixed connection, the second squeeze roll is located the inside top of box and is located the front side of first squeeze roll, second squeeze roll and first squeeze roll are not laminated and the centre is left the clearance of three millimeters.

Further, the peeling assembly comprises a first rotating motor fixedly installed at the left end of the outer wall surface of the front side of the rectangular frame, the output end of the first rotating motor penetrates through the rectangular frame and is fixedly connected with a movable bottom plate, the movable bottom plate is located the bottom of the rectangular frame, a hydraulic cylinder is fixedly installed on the left side of the rectangular frame, the output end of the hydraulic cylinder is fixedly connected with a connecting rod penetrating through the rectangular frame, the output end of the connecting rod is fixedly connected with a roller bracket, the output end of the roller bracket is fixedly connected with a longitudinal roller, the left outer wall surface of the box is fixedly connected with a second rotating motor located below the rectangular frame, the output end of the second rotating motor penetrates through the box and is fixedly connected with a first rotating shaft, the output end of the first rotating shaft is fixedly connected with a circular plate arranged by an eccentric shaft, and the side wall surface of the circular plate is attached to the bottom of the rectangular frame.

Further, the fan subassembly includes the fixed frame of the inside front side of fixed mounting box, the fixed frame is inside hollow rectangle box, the rear side movable mounting of fixed frame has the movable rod that the equidistance was arranged, the fixed frame is kept away from the equal fixedly connected with fan of one end of fixed frame, the movable rod is located the equal fixedly connected with driven gear of one end of fixed frame, the top is provided with the track between the driven gear, driven gear all is located the inside of track and with the inside meshing of track, the front side fixed mounting of fixed frame has third rotating electrical machines, the output fixedly connected with second pivot of third rotating electrical machines, the output fixedly connected with driving gear of second pivot, driving gear is located the inside of track and with the inside meshing of track.

Further, the crushing subassembly includes fixed mounting in the fourth rotating electrical machines of crushing barrel head portion, and the output fixedly connected with of fourth rotating electrical machines is vertical third pivot, and third pivot is located the inside center department of crushing barrel, and the outer wall surface of third pivot is from last fixedly connected with equidistance circumference range's crushing sword down, and crushing barrel head portion rear side fixedly connected with second arranges the material pipe, and the second arranges the material pipe and communicates each other with the inside of crushing barrel, and the outer wall surface fixed mounting of material pipe has the valve.

Further, the bottoms of the supporting legs are fixedly provided with anti-skid pads with anti-skid function.

The beneficial effects of the utility model are as follows:

1. according to the soybean peeling machine, the extrusion assembly, the peeling assembly and the fan assembly are arranged, the gap between the first extrusion roller and the second extrusion roller is three millimeters, soybeans can be crushed into blocks by simultaneous rotation of the first extrusion roller and the second extrusion roller and fall down, the soybean peeling assembly is driven, the soybeans and soybean hulls can be separated by friction of rollers, the rectangular frame is driven to vibrate in the box body through the movable connecting rod when the circular plate rotates, the soybeans and soybean hulls in the rectangular frame are separated more thoroughly, and the soybean hulls are blown into the collecting holes and discharged through the first discharge pipe by driving the fan assembly.

2. According to the utility model, through the arrangement of the crushing assembly, when soybeans are required to be crushed into powder, peeled blocky soybeans fall into the crushing barrel, the external controller is started, the fourth rotating motor drives the third rotating shaft to rotate through the output end, the third rotating shaft drives the crushing cutter to rotate in the crushing barrel, the crushing cutter crushes the blocky soybeans in the crushing barrel into powder, and the soybean powder is discharged from the crushing barrel through the second discharge pipe by opening the valve.

Drawings

FIG. 1 is a schematic view of the left side of a three-dimensional structure of the present utility model;

FIG. 2 is a schematic view of a press assembly of the present utility model;

FIG. 3 is a schematic view of a peeling assembly of the present utility model;

FIG. 4 is a schematic view of a collection well of the present utility model;

FIG. 5 is a schematic view of a fan assembly of the present utility model;

FIG. 6 is a schematic view of a crushing assembly of the present utility model;

reference numerals: 1. a case; 2. a material injection pipe; 3. support legs; 4. an anti-slip pad; 5. an extrusion assembly; 501. a first servo motor; 502. a first squeeze roll; 503. a second servo motor; 504. a second squeeze roll; 6. a rectangular frame; 7. a movable connecting rod; 8. a peeling assembly; 801. a first rotating electric machine; 802. a movable bottom plate; 803. a hydraulic cylinder; 804. a connecting rod; 805. a roller bracket; 806. a roller; 807. a second rotating electric machine; 808. a first rotating shaft; 809. a circular plate; 9. a fan assembly; 901. a fixed frame; 902. a movable rod; 903. a fan; 904. a driven gear; 905. a track; 906. a third rotary electric machine; 907. a second rotating shaft; 908. a drive gear; 10. a collection hole; 11. a first discharge pipe; 12. crushing a barrel; 13. a crushing assembly; 1301. a fourth rotating electrical machine; 1302. a third rotating shaft; 1303. a crushing knife; 1304. a second discharge pipe; 1305. and (3) a valve.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In describing embodiments of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", etc. are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, are merely for convenience of description and simplification of description, and are not indicative or implying that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

As shown in fig. 1 to 6, a bean miso raw material crushing device, which comprises a box body 1, box 1 is inside hollow rectangle box 1, the top fixedly connected with notes material pipe 2 of box 1, annotate material pipe 2 and the inside intercommunication of box 1 each other, the bottom of box 1 all around all fixedly connected with decurrent supporting leg 3, the bottom of supporting leg 3 all fixed mounting has slipmat 4 of antiskid effect, the inside top of box 1 is provided with the extrusion subassembly 5 that can extrude the soybean into pieces, the below of extrusion subassembly 5 is provided with rectangle frame 6, the left and right both sides fixedly connected with movable connecting rod 7 of rectangle frame 6, movable connecting rod 7 is the shape of falling 'Z', the one end that two movable connecting rods 7 kept away from rectangle frame 6 is fixed connection respectively in the inside left and right sides of box 1, the inside of rectangle frame 6 is provided with the peeling component 8 that can with the soybean, the below of peeling component 8 is provided with the fan component 9 that blows off the soybean skin, collecting hole 10 has been seted up to the rear side middle-end of box 1, collecting hole 10 is located the fan component 9 and corresponds the inside of a broken barrel 11 'and is connected with broken barrel 12 of broken barrel body, the inside 12' is provided with broken barrel 12, the inside is connected with broken barrel 12 inside the inside of broken barrel 1, the broken barrel is connected with the inside of broken barrel 12, the inside is connected with broken barrel 12, inside the inside is connected with the broken barrel 1, inside is connected with inside the broken barrel 12.

Before soybeans are crushed into powder, a worker firstly pours soybean raw materials into the box body 1 through the material injection pipe 2, the soybeans are crushed and split into blocks through the driving extrusion assembly 5, the blocks of soybeans fall into the rectangular frame 6, the soybeans and soybean hulls are separated through the driving peeling assembly 8 and fall into the lower part of the rectangular frame 6, the soybean hulls are blown into the collecting holes 10 through the driving fan assembly 9, the soybean hulls are discharged out of the box body 1 through the first material discharge pipe 11 outside the collecting holes 10, a large amount of labor is required for peeling the soybeans to operate, the labor intensity of the worker is high, and the production efficiency is low, and the peeled blocks of soybeans are crushed into powder through the driving crushing assembly 13.

As shown in fig. 2, the extrusion assembly 5 includes a first servomotor 501 and a second servomotor 503 fixedly mounted on the top of the left outer wall surface of the casing 1, the second servomotor 503 is symmetrical to the first servomotor 501 in position, the second servomotor 503 is located at the front side of the first servomotor 501, the output end of the first servomotor 501 penetrates through the casing 1 and is fixedly connected with the first extrusion roller 502, the first extrusion roller 502 is located above the inside of the casing 1, the output end of the second servomotor 503 penetrates through the casing 1 and is fixedly connected with the second extrusion roller 504, the second extrusion roller 504 is located above the inside of the casing 1 and is located at the front side of the first extrusion roller 502, and the second extrusion roller 504 is not attached to the first extrusion roller 502 and is left with a gap of three millimeters in the middle.

When the soybeans need to be crushed into blocks, the external controller is started, the first servo motor 501 and the second servo motor 503 are started simultaneously, the first servo motor 501 drives the first extrusion roller 502 to rotate forward, the second servo motor 503 drives the second extrusion roller 504 to rotate reversely, the diameter of the soybeans is about four to five millimeters, the gap between the first extrusion roller 502 and the second extrusion roller 504 is three millimeters, and the soybeans can be crushed into blocks by the simultaneous rotation of the first extrusion roller 502 and the second extrusion roller 504 and fall down.

As shown in fig. 3, the peeling assembly 8 includes a first rotating motor 801 fixedly mounted on the left end of the outer wall surface of the front side of the rectangular frame 6, the output end of the first rotating motor 801 penetrates through the rectangular frame 6 and is fixedly connected with a movable bottom plate 802, the movable bottom plate 802 is located at the bottom of the rectangular frame 6, a hydraulic cylinder 803 is fixedly mounted on the left side of the rectangular frame 6, the output end of the hydraulic cylinder 803 is fixedly connected with a connecting rod 804 penetrating through the rectangular frame 6, the output end of the connecting rod 804 is fixedly connected with a roller bracket 805, the output end of the roller bracket 805 is fixedly connected with a longitudinal roller 806, the left outer wall surface of the box 1 is fixedly mounted with a second rotating motor 807 located below the rectangular frame 6, the output end of the second rotating motor 807 penetrates through the box 1 and is fixedly connected with a first rotating shaft 808, the output end of the first rotating shaft 808 is fixedly connected with a circular plate 809 provided with an eccentric shaft, and the side wall surface of the circular plate 809 is attached to the bottom of the rectangular frame 6.

It should be noted that, when the block soybean drops to the inside of the rectangular frame 6, the external controller is started, the hydraulic cylinder 803 drives the connecting rod 804 to move back and forth in the inside of the rectangular frame 6 through the output end, the connecting rod 804 drives the roller 806 to move back and forth through the roller bracket 805, the roller 806 also pushes the block soybean to separate the soybean from the soybean skin through friction of the roller 806 when moving back and forth, then the second rotating motor 807 drives the first rotating shaft 808 to rotate through the output end, the first rotating shaft 808 drives the circular plate 809 arranged by the eccentric shaft to rotate, the circular plate 809 drives the rectangular frame 6 to vibrate in the inside of the box 1 through the movable connecting rod 7 when rotating, so that the soybean and the soybean skin in the rectangular frame 6 are separated more thoroughly, the first rotating motor 801 drives the movable bottom plate 802 to rotate forward, so that the soybean and the soybean skin in the rectangular frame 6 drop to the lower side by ninety degrees with the first rotating motor 801 as the center.

As shown in fig. 4 and 5, the fan assembly 9 includes a fixed frame 901 fixedly mounted on the front side of the inside of the box body 1, the fixed frame 901 is a rectangular box body 1 with a hollow inside, movable rods 902 which are arranged at equal intervals are movably mounted on the rear side of the fixed frame 901, one ends of the fixed frame 901, which are far away from the fixed frame 901, are fixedly connected with fans 903, one ends of the movable rods 902, which are located on the fixed frame 901, are fixedly connected with driven gears 904, tracks 905 are arranged above the driven gears 904, the driven gears 904 are located inside the tracks 905 and are meshed with the inside of the tracks 905, a third rotating motor 906 is fixedly mounted on the front side of the fixed frame 901, the output end of the third rotating motor 906 is fixedly connected with a second rotating shaft 907, a driving gear 908 is fixedly connected with the output end of the second rotating shaft 907, and the driving gear 908 is located inside the tracks 905 and meshed with the inside of the tracks 905.

When the soybean hulls are discharged from the inside of the case 1, the external controller is started when the soybean and the soybean hulls fall from the bottom of the rectangular frame 6, the third rotating motor 906 drives the second rotating shaft 907 to rotate through the output end, the second rotating shaft 907 drives the driving gear 908 to rotate, the driving gear 908 drives the crawler 905 to rotate, the driven gear 904 rotates along with the rotation of the crawler 905, the fan 903 rotates along with the rotation of the movable rod 902 and the driven gear 904, the weight of the block soybean is greater than that of the soybean hulls, and the soybean hulls can be blown into the collecting hole 10 by wind force generated when the fan 903 rotates and discharged from the first discharging pipe 11.

As shown in fig. 1 and 6, the crushing assembly 13 includes a fourth rotary motor 1301 fixedly installed at the bottom of the crushing barrel 12, a vertical third rotary shaft 1302 is fixedly connected to an output end of the fourth rotary motor 1301, the third rotary shaft 1302 is located at the center of the inside of the crushing barrel 12, crushing cutters 1303 arrayed circumferentially at equal intervals are fixedly connected to an outer wall surface of the third rotary shaft 1302 from top to bottom, a second discharge pipe 1304 is fixedly connected to a rear side of the bottom of the crushing barrel 12, the second discharge pipe 1304 is mutually communicated with the inside of the crushing barrel 12, and a valve 1305 is fixedly installed on an outer wall surface of the second discharge pipe 1304.

When the soybeans need to be crushed into powder, the peeled block soybeans fall into the crushing barrel 12, the external controller is started, the fourth rotary motor 1301 drives the third rotary shaft 1302 to rotate through the output end, the third rotary shaft 1302 drives the crushing cutter 1303 to rotate in the crushing barrel 12, the crushing cutter 1303 crushes the block soybeans in the crushing barrel 12 into powder, and the soybean powder is discharged from the inside of the crushing barrel 12 through the second discharge pipe 1304 by opening the valve 1305.

To sum up: before soybeans need be broken into powder, the staff firstly pours the soybean raw materials into the inside of the box 1 through the material injection pipe 2, the soybeans are extruded and split into blocks through the driving extrusion component 5, the block-shaped soybeans fall into the inside of the rectangular frame 6, the soybeans and the soybean hulls are separated through the driving peeling component 8 and fall into the lower part of the rectangular frame 6, the soybean hulls are blown into the inside of the collecting hole 10 through the driving fan component 9, the soybean hulls are discharged out of the inside of the box 1 through the first material discharge pipe 11 outside the collecting hole 10, a large amount of manpower is needed for soybean peeling to operate, the problems that the labor intensity of the staff is high and the production efficiency is low are solved, and the peeled block-shaped soybeans are broken into powder through the driving crushing component 13.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a bean miso raw materials breaker, includes box (1), the top fixedly connected with notes material pipe (2) of box (1), the equal fixedly connected with of bottom all around of box (1) deceases supporting leg (3), a serial communication port, the inside top of box (1) is provided with extrusion subassembly (5) that can extrude the soybean piece, the below of extrusion subassembly (5) is provided with rectangle frame (6), the left and right sides fixedly connected with movable connecting rod (7) of rectangle frame (6), movable connecting rod (7) are the shape of falling 'Z', the one end that rectangle frame (6) were kept away from to two movable connecting rods (7) is fixed connection respectively in the left and right sides of box (1), the inside of rectangle frame (6) is provided with peeling subassembly (8) that can desquamation soybean, the below of peeling subassembly (8) is provided with fan subassembly (9) that will soybean skin blown away, collecting hole (10) have been seted up to the rear side middle-end of box (1), collecting hole (10) are located the rear side position of fan subassembly (9) and correspond, broken barrel (12) are connected with broken barrel (12) of broken barrel (12), broken barrel (12) are fixed connection with broken barrel (12) with inside the inside of broken barrel (1).

2. The bean miso raw material crushing device according to claim 1, wherein the extrusion assembly (5) comprises a first servo motor (501) and a second servo motor (503) which are fixedly installed at the top end of the left outer wall surface of the box body (1), the second servo motor (503) is symmetrical to the first servo motor (501) in position, the second servo motor (503) is located at the front side of the first servo motor (501), the output end of the first servo motor (501) penetrates through the box body (1) and is fixedly connected with the first extrusion roller (502), the first extrusion roller (502) is located above the inside of the box body (1), the output end of the second servo motor (503) penetrates through the box body (1) and is fixedly connected with the second extrusion roller (504), the second extrusion roller (504) is located above the inside of the box body (1) and is located at the front side of the first extrusion roller (502), and the second extrusion roller (504) is not attached to the first extrusion roller (502) and a gap of three millimeters is reserved between the second extrusion roller and the first extrusion roller (502).

3. The bean miso raw material crushing device according to claim 1, wherein the peeling assembly (8) comprises a first rotating motor (801) fixedly mounted at the left end of the front outer wall surface of the rectangular frame (6), the output end of the first rotating motor (801) penetrates through the rectangular frame (6) and is fixedly connected with a movable bottom plate (802), the movable bottom plate (802) is located at the bottom of the rectangular frame (6), a hydraulic cylinder (803) is fixedly mounted at the left side of the rectangular frame (6), the output end of the hydraulic cylinder (803) is fixedly connected with a connecting rod (804) penetrating through the rectangular frame (6), the output end of the connecting rod (804) is fixedly connected with a roller bracket (805), the output end of the roller bracket (805) is fixedly connected with a longitudinal roller (806), the left outer wall surface of the box (1) is fixedly mounted with a second rotating motor (807) located below the rectangular frame (6), the output end of the second rotating motor (807) penetrates through the box (1) and is fixedly connected with a first rotating shaft (808), the output end of the first rotating shaft (808) is fixedly connected with a connecting rod (804) penetrating through the rectangular frame (6), and the output end of the connecting rod (804) is fixedly connected with a roller bracket (805) and is fixedly connected with a longitudinal roller (805).

4. The bean miso raw material crushing device according to claim 1, wherein the fan assembly (9) comprises a fixed frame (901) fixedly installed on the front side inside the box body (1), the fixed frame (901) is a rectangular box body (1) with hollow inside, movable rods (902) movably installed on the rear side of the fixed frame (901) and arranged at equal intervals, one ends of the fixed frame (901) away from the fixed frame (901) are fixedly connected with fans (903), one ends of the movable rods (902) located on the fixed frame (901) are fixedly connected with driven gears (904), tracks (905) are arranged above the driven gears (904), the driven gears (904) are located inside the tracks (905) and are meshed with the inside of the tracks (905), a third rotating motor (906) is fixedly installed on the front side of the fixed frame (901), the output ends of the third rotating motor (906) are fixedly connected with second rotating shafts (907), the output ends of the second rotating shafts (907) are fixedly connected with driving gears (908), and the driving gears (908) are located inside the tracks (905) and meshed with the inside the tracks (905).

5. The bean miso raw material crushing device according to claim 1, wherein the crushing assembly (13) comprises a fourth rotating motor (1301) fixedly installed at the bottom of the crushing barrel (12), an output end of the fourth rotating motor (1301) is fixedly connected with a vertical third rotating shaft (1302), the third rotating shaft (1302) is located at the inner center of the crushing barrel (12), crushing cutters (1303) which are circumferentially arrayed at equal intervals are fixedly connected to the outer wall surface of the third rotating shaft (1302) from top to bottom, a second discharging pipe (1304) is fixedly connected to the rear side of the bottom of the crushing barrel (12), the second discharging pipe (1304) is mutually communicated with the inside of the crushing barrel (12), and a valve (1305) is fixedly installed on the outer wall surface of the second discharging pipe (1304).

6. The bean miso raw material crushing device according to claim 1, wherein the bottoms of the supporting legs (3) are fixedly provided with anti-slip mats (4) with anti-slip effect.