阅读说明：本技术 一种腊肉加工用多级风干装置 (Multi-stage air drying device for processing preserved meat ) 是由 黄治斌 王军 吴云 高鹏 杨开海 蒋齐仕 张锋 徐文 简永清 李绪倩 于 2021-10-15 设计创作，主要内容包括：本发明涉及食品加工技术领域,且提供了一种腊肉加工用多级风干装置,包括安装架,所述安装架的顶端活动安装有支撑板,所述支撑板的顶端安装有活动架,所述活动架内部的两侧均活动安装有活动辊轮。本发明通过第一电机带动活动辊轮转动,能够带动链式传送带对猪肉条进行输送,将其输送到支撑架的内部,风机将空气通过导气管和通风管分别导入到导热架和导风架的内部,通过对电热丝通电使其发热,能够对经过导热架内部的空气进行加热,通过喷气管能够将热空气均匀地喷向猪肉条的表面,能够对猪肉条进行快速地风干,同时通过导风架和导气孔的作用,能够对猪肉条的下方进行风干,提高了风干的效率。(The invention relates to the technical field of food processing, and provides a multi-stage air drying device for processing preserved meat. The movable roller is driven to rotate by the first motor, the chain type conveying belt can be driven to convey pork strips to the inside of the supporting frame, the fan guides air into the heat conduction frame and the air guide frame through the air guide pipe and the ventilation pipe respectively, the heating wire is electrified to generate heat, the air passing through the inside of the heat conduction frame can be heated, hot air can be uniformly sprayed to the surfaces of the pork strips through the air spraying pipe, the pork strips can be quickly dried, meanwhile, the lower portions of the pork strips can be dried through the action of the air guide frame and the air guide holes, and the drying efficiency is improved.)

1. The utility model provides a bacon processing is with multistage air-dry device, includes mounting bracket (1), its characterized in that, the top movable mounting of mounting bracket (1) has backup pad (13), adjustable shelf (15) are installed on the top of backup pad (13), the equal movable mounting in both sides of adjustable shelf (15) inside has movable running roller (14), and chain conveyor (16) are overlapped jointly in the outside of two movable running rollers (14), first motor (28) are installed in the left side at the adjustable shelf (15) back, the output shaft of first motor (28) passes adjustable shelf (15) and is connected with movable running roller (14), the inside horizontal movable mounting of adjustable shelf (15) has support running roller (17), the top of support running roller (17) contacts with chain conveyor (16) inside wall, support frame (18) are installed on the top of backup pad (13), the support frame (18) is sleeved on the outer side of the movable frame (15), the air guide mechanism (7) is installed in the middle of the movable frame (15), limiting mechanisms (5) are installed on the front side and the rear side of the inner bottom wall of the mounting frame (1), movable seats (3) are installed on the two sides of each limiting mechanism (5) in a movable mode, a movable insertion frame (10) is installed in a movable mode in the two movable seats (3) of bilateral symmetry in a movable mode, the top end of the movable insertion frame (10) is movably connected with a supporting plate (13), a linkage rod (30) is installed between the two movable seats (3) of the front and rear symmetry in a movable mode, a thread sleeve (11) is installed in the middle of the linkage rod (30), a second motor (4) is installed at the bottom of the left inner wall of the mounting frame (1), a two-way screw rod (2) is installed at the output end of the second motor (4), and a movable mechanism (6) is installed at the bottom of the right inner wall of the mounting frame (1), the right side of the bidirectional screw (2) is connected with a movable mechanism (6), a thread sleeve (11) is in threaded connection with two sides of the bidirectional screw (2) respectively, air-drying mechanisms (8) are installed on two sides of the inner top wall of the support frame (18), a fan (19) is installed in the middle of the top end of the support frame (18), a four-way joint (20) is installed at the output end of the fan (19), air guide pipes (21) are communicated with two sides of the four-way joint (20), one end, far away from the four-way joint (20), of each air guide pipe (21) is communicated with the air-drying mechanisms (8) respectively, one end of the four-way joint (20) is communicated with a ventilation pipe (29), one end of each ventilation pipe (29) is communicated with an air guide mechanism (7), a hydraulic push rod (22) is installed in the middle of the inner top wall of the support frame (18), and a guide mechanism (9) is installed at the bottom end of the hydraulic push rod (22), and movable baffles (25) are movably arranged on two sides of the support frame (18).

2. The multi-stage air drying device for processing preserved meat according to claim 1, wherein the air drying mechanism (8) comprises heat conducting frames (81) arranged on two sides of the inner top wall of the support frame (18), the left and right inner walls of the heat conducting frames (81) are respectively provided with a current conducting plate (82), the middle parts of the opposite sides of the two current conducting plates (82) are jointly provided with electric heating wires (83) arranged at equal intervals, and the bottom ends of the heat conducting frames (81) are communicated with air injection pipes (84) which are uniformly distributed.

3. The multi-stage air drying device for processing preserved meat according to claim 1, wherein the guide mechanism (9) comprises a guide frame (91) arranged at the bottom end of the hydraulic push rod (22), movable rods (92) are movably arranged on the front side and the rear side inside the guide frame (91), a guide belt (93) is sleeved on the outer sides of the two movable rods (92) together, a third motor (94) is arranged on the left side of the guide frame (91), and an output shaft of the third motor (94) penetrates through the guide frame (91) to be connected with the movable rods (92).

4. The multi-stage air drying device for preserved meat processing according to claim 1, wherein the limiting mechanism (5) comprises limiting frames (51) arranged on the front side and the rear side of the inner bottom wall of the mounting frame (1), limiting rollers (52) are movably arranged on both sides of the inner portion of the limiting frames (51), and the top ends of the limiting rollers (52) penetrate through the limiting frames (51) to be connected with the movable seat (3).

5. The multi-stage air drying device for processing preserved meat according to claim 1, wherein the movable mechanism (6) comprises a movable sleeve (61) arranged at the bottom of the right inner wall of the mounting rack (1), a movable bearing (62) is arranged inside the movable sleeve (61), and the right side of the bidirectional screw (2) is connected with the movable bearing (62).

6. The multi-stage air drying device for processing preserved meat according to claim 1, wherein the air guide mechanism (7) comprises an air guide frame (71) installed inside the movable frame (15), the air guide frame (71) is located inside the chain conveyor (16), and air guide holes (72) are uniformly distributed at the top end of the air guide frame (71).

7. The multi-stage air drying device for preserved meat processing according to claim 1, wherein the two sides of the mounting rack (1) are vertically provided with limiting grooves (26) which are symmetrical front and back, limiting rods (27) are respectively installed at four corners of the bottom end of the supporting plate (13), and the limiting rods (27) are respectively movably inserted into the limiting grooves (26).

8. The multistage air drying device for processing preserved meat according to claim 1, wherein lamp holders (23) are mounted on both sides of the inner top wall of the support frame (18), and ultraviolet lamp tubes (24) are mounted inside the lamp holders (23).

9. The multi-stage air drying device for preserved meat processing according to claim 1, wherein self-locking casters (12) are mounted at four corners of the bottom end of the mounting frame (1).

Technical Field

The invention relates to the technical field of food processing, in particular to a multistage air drying device for processing preserved meat.

Background

Bacon is the processing product that the process of meat through toasting (or solarization under the sunlight) back again made, when food processing factory processed the bacon, need wash meat and air-dry, when air-drying meat usually, blow the surface of air to meat through the air-blower, thereby get rid of the moisture on its surface, but this kind of mode air-dried efficiency is slower, seriously influence the preparation efficiency to the bacon, and need the manual turn-over of manual work to carry out at air-dried in-process, it is comparatively inconvenient in actual operation, greatly reduced the efficiency of preparation, thereby influence the large-scale production of bacon, propose a bacon processing with multistage air-dry device to solve the above-mentioned problem to above circumstances.

Disclosure of Invention

The invention aims to solve the defects in the prior art, such as: when food processing factory processes the preparation to the preserved pork, need air-dry meat washing, when air-drying meat usually, blow the air to the surface of meat through the air-blower, thereby get rid of the moisture on its surface, but this kind of mode air-dried efficiency is slower, seriously influence the preparation efficiency to the preserved pork, and need the manual face turning of carrying out at air-dried in-process, it is comparatively inconvenient in the operation of reality, greatly reduced the efficiency of preparation, thereby influence the scale production of preserved pork, and the multistage air-drying device is used in the processing of a preserved pork that proposes.

In order to achieve the purpose, the invention adopts the following technical scheme:

a multi-stage air drying device for processing preserved pork comprises a mounting frame, wherein a supporting plate is movably mounted at the top end of the mounting frame, a movable frame is mounted at the top end of the supporting plate, movable rollers are movably mounted on two sides of the interior of the movable frame, a chain type conveyor belt is sleeved on the outer sides of the two movable rollers together, a first motor is mounted on the left side of the back face of the movable frame, an output shaft of the first motor penetrates through the movable frame to be connected with the movable rollers, supporting rollers are transversely and movably mounted in the movable frame, the top ends of the supporting rollers are in contact with the inner side wall of the chain type conveyor belt, a supporting frame is mounted at the top end of the supporting plate and sleeved on the outer side of the movable frame, an air guide mechanism is mounted in the middle of the movable frame, limiting mechanisms are mounted on the front side and the rear side of the bottom wall in the mounting frame, movable seats are movably mounted on two sides of the limiting mechanisms, the movable insert frame is movably mounted inside two movable seats which are symmetrical left and right, the top end of the movable insert frame is movably connected with the supporting plate, a linkage rod is mounted between the two movable seats which are symmetrical front and back, a thread sleeve is mounted in the middle of the linkage rod, a second motor is mounted at the bottom of the left inner wall of the mounting frame, a two-way screw is mounted at the output end of the second motor, a movable mechanism is mounted at the bottom of the right inner wall of the mounting frame, the right side of the two-way screw is connected with the movable mechanism, the thread sleeve is respectively in threaded connection with the two sides of the two-way screw, air drying mechanisms are mounted on the two sides of the top wall in the supporting frame, a fan is mounted in the middle of the top end of the supporting frame, a four-way joint is mounted at the output end of the fan, air guide pipes are communicated with the two sides of the four-way joint, and one end of the air guide pipes, which is far away from the four-way joint, is respectively communicated with the air drying mechanisms, one end of the four-way joint is communicated with a ventilation pipe, one end of the ventilation pipe is communicated with the air guide mechanism, a hydraulic push rod is installed in the middle of the inner top wall of the support frame, a guide mechanism is installed at the bottom end of the hydraulic push rod, and movable baffles are movably installed on two sides of the support frame.

Preferably, the air-drying mechanism is including installing the heat conduction frame of roof both sides in the support frame, the current conducting plate is all installed to two inner walls of the left and right sides of heat conduction frame, and the heating wire that the equidistance was arranged is installed jointly in the middle part of two current conducting plate relative one side, the bottom intercommunication of heat conduction frame has evenly distributed's jet-propelled pipe.

Preferably, guiding mechanism is including installing the leading truck in hydraulic pressure push rod bottom, the equal movable mounting in both sides has the movable rod around the leading truck is inside, and the common cover in the outside of two movable rods is equipped with the direction belt, the third motor is installed in the left side of leading truck, the output shaft of third motor passes the leading truck and is connected with the movable rod.

Preferably, stop gear is including installing the spacing of both sides around the diapire in the mounting bracket, the equal movable mounting in both sides of spacing inside has spacing gyro wheel, spacing frame is all passed on the top of spacing gyro wheel and is connected with the sliding seat.

Preferably, the movable mechanism comprises a movable sleeve arranged at the bottom of the right inner wall of the mounting frame, a movable bearing is arranged inside the movable sleeve, and the right side of the bidirectional screw is connected with the movable bearing.

Preferably, the air guide mechanism comprises an air guide frame arranged inside the movable frame, the air guide frame is positioned inside the chain conveyor belt, and air guide holes which are uniformly distributed are formed in the top end of the air guide frame.

Preferably, the both sides of mounting bracket are all vertical to be seted up the spacing groove of longitudinal symmetry, the gag lever post is all installed in the four corners of backup pad bottom, the gag lever post is activity respectively and is alternates in the inside of spacing groove.

Preferably, lamp holders are installed on two sides of the inner top wall of the support frame, and ultraviolet lamp tubes are installed inside the lamp holders.

Preferably, four corners of the bottom end of the mounting frame are provided with self-locking caster wheels.

The invention has the following beneficial effects:

(1) the two-way screw rod is driven to rotate by the second motor, the two thread sleeves can pull the movable seat to move towards the middle simultaneously, so that the shape of the movable inserting frame can be changed, the movable inserting frame can jack the supporting plate upwards, the height of the chain type conveying belt can be adjusted, the chain type conveying belt can be adapted to the heights of different production lines, the chain type conveying belt is convenient to use in practice, the supporting plate can be kept stable when moving due to the fact that the limiting rod moves up and down in the limiting groove, and the movable seat can be kept in a stable state when moving due to the fact that the limiting idler wheel rolls in the limiting frame;

(2) the movable roller is driven to rotate by the first motor, the chain type conveying belt can be driven to convey pork strips to the inside of the supporting frame, the fan guides air into the heat conduction frame and the air guide frame through the air guide pipe and the ventilation pipe respectively, the heating wire is electrified to generate heat, the air passing through the inside of the heat conduction frame can be heated, hot air can be uniformly sprayed to the surfaces of the pork strips through the air spraying pipe, the pork strips can be quickly dried, meanwhile, the lower parts of the pork strips can be dried under the action of the air guide frame and the air guide holes, and the drying efficiency is improved;

(3) according to the invention, the guide frame is driven to move downwards through the extension of the hydraulic push rod, the guide belt can be contacted with pork strips, the movable rod is driven to rotate through the third motor, the guide belt can be rotated towards one side, and the pork strips can be driven to turn over through the friction between the guide belt and the pork strips, so that each surface of the pork strips can be uniformly air-dried, the efficiency of making preserved pork is improved, and the pork strips passing through can be sterilized through the action of the ultraviolet lamp tube, so that the safety of food production is ensured.

Drawings

FIG. 1 is a schematic view of the internal structure of the whole body of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic structural diagram according to a first embodiment of the present invention;

FIG. 4 is a schematic structural diagram according to a second embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a third embodiment of the present invention;

FIG. 6 is a schematic structural diagram according to a fourth embodiment of the present invention;

fig. 7 is a schematic structural diagram of a fifth embodiment of the present invention.

In the figure: 1. a mounting frame; 2. a bidirectional screw; 3. a movable seat; 4. a second motor; 5. a limiting mechanism; 51. a limiting frame; 52. limiting the idler wheel; 6. a movable mechanism; 61. a movable sleeve; 62. a movable bearing; 7. an air guide mechanism; 71. an air guide frame; 72. an air vent; 8. an air drying mechanism; 81. a heat conducting frame; 82. a conductive plate; 83. an electric heating wire; 84. a gas ejector tube; 9. a guide mechanism; 91. a guide frame; 92. a movable rod; 93. a guide belt; 94. a third motor; 10. a movable inserting frame; 11. a threaded sleeve; 12. self-locking casters; 13. a support plate; 14. a movable roller; 15. a movable frame; 16. a chain conveyor; 17. supporting rollers; 18. a support frame; 19. a fan; 20. a four-way joint; 21. an air duct; 22. a hydraulic push rod; 23. a lamp socket; 24. an ultraviolet lamp tube; 25. a movable baffle; 26. a limiting groove; 27. a limiting rod; 28. a first motor; 29. a vent pipe; 30. a linkage rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-7, a multistage air drying device for bacon processing comprises a mounting frame 1, self-locking casters 12 are respectively mounted at four corners of the bottom end of the mounting frame 1, the position of the whole device can be conveniently moved and adjusted through the self-locking casters 12, the utilization efficiency of the device is improved, a support plate 13 is movably mounted at the top end of the mounting frame 1, two sides of the mounting frame 1 are vertically provided with front and back symmetrical limiting grooves 26, limiting rods 27 are respectively mounted at four corners of the bottom end of the support plate 13, the limiting rods 27 are respectively movably inserted into the limiting grooves 26, the support plate 13 can be kept stable during moving by the up and down movement of the limiting rods 27 in the limiting grooves 26, a movable frame 15 is mounted at the top end of the support plate 13, movable rollers 14 are respectively movably mounted at two sides of the interior of the movable frame 15, and a chain type conveyor belt 16 is sleeved on the outer sides of the two movable rollers 14, the left side of the back of the movable frame 15 is provided with a first motor 28, an output shaft of the first motor 28 passes through the movable frame 15 and is connected with a movable roller 14, the inside of the movable frame 15 is transversely movably provided with a supporting roller 17, the top end of the supporting roller 17 is contacted with the inner side wall of a chain type conveyor belt 16, the top end of a supporting plate 13 is provided with a supporting frame 18, the first motor 28 drives the movable roller 14 to rotate, the chain type conveyor belt 16 can be driven to convey pork strips to the inside of the supporting frame 18, a fan 19 guides air into the heat conduction frame 81 and the air guide frame 71 through an air guide pipe 21 and a ventilation pipe 29 respectively, the pork strips can move at a constant speed, and accordingly the pork strips can be uniformly air-dried, the supporting frame 18 is sleeved on the outside of the movable frame 15, the air guide mechanism 7 is arranged in the middle of the movable frame 15, and the limiting mechanisms 5 are arranged on the front side and the back side of the inner bottom wall of the mounting frame 1, the two sides of the limiting mechanism 5 are movably provided with movable seats 3, the insides of the two movable seats 3 which are symmetrical left and right are movably provided with a movable inserting frame 10 together, the top end of the movable inserting frame 10 is movably connected with a supporting plate 13, a linkage rod 30 is arranged between the two movable seats 3 which are symmetrical front and back together, the middle part of the linkage rod 30 is provided with a threaded sleeve 11, the bottom of the left inner wall of the mounting frame 1 is provided with a second motor 4, the output end of the second motor 4 is provided with a two-way screw 2, the bottom of the right inner wall of the mounting frame 1 is provided with a movable mechanism 6, the right side of the two-way screw 2 is connected with the movable mechanism 6, the threaded sleeve 11 is respectively in threaded connection with the two sides of the two-way screw 2, the two threaded sleeves 11 can drive the two-way screw 2 to rotate, the movable seats 3 to simultaneously move towards the middle, so as to change the shape of the movable inserting frame 10, and enable the movable inserting frame 10 to jack the supporting plate 13 upwards, the height of the chain type conveyor belt 16 can be adjusted to adapt to the heights of different production lines, the operation is convenient in practical use, the air drying mechanisms 8 are installed on two sides of the inner top wall of the support frame 18, the fan 19 is installed in the middle of the top end of the support frame 18, the four-way joint 20 is installed at the output end of the fan 19, air guide pipes 21 are communicated with two sides of the four-way joint 20, one ends, far away from the four-way joint 20, of the air guide pipes 21 are respectively communicated with the air drying mechanisms 8, one end of the four-way joint 20 is communicated with the ventilation pipe 29, one end of the ventilation pipe 29 is communicated with the air guide mechanism 7, the fan 19 guides air into the heat conduction frame 81 and the air conduction frame 71 through the air guide pipes 21 and the ventilation pipe 29, the hydraulic push rod 22 is installed in the middle of the inner top wall of the support frame 18, the guide mechanism 9 is installed at the bottom end of the hydraulic push rod 22, and the guide mechanism 9 can be driven to move up and down through the expansion of the hydraulic push rod 22, make guiding mechanism 9 and pork strip contact, can conveniently turn the pork strip, the equal movable mounting in both sides of support frame 18 has adjustable fender 25, and lamp stand 23 is all installed to the both sides of roof in the support frame 18, and ultraviolet fluorescent tube 24 is all installed to the inside of lamp stand 23, through switching on to ultraviolet fluorescent tube 24, can carry out germicidal treatment to the pork strip of process, has improved the security of food.

The first embodiment is as follows:

as shown in fig. 3, the air drying mechanism 8 includes a heat conducting frame 81 installed on both sides of the top wall in the supporting frame 18, the heat conducting plates 82 are installed on both inner walls of the left and right sides of the heat conducting frame 81, the heating wires 83 arranged at equal intervals are installed in the middle parts of the opposite sides of the two heat conducting plates 82, the bottom end of the heat conducting frame 81 is communicated with the air injection pipes 84 which are uniformly distributed, the air is introduced into the heat conducting frame 81 through the air guide pipe 21 by the fan 19, the heating wires 83 are electrified to generate heat, the air passing through the inside of the heat conducting frame 81 can be heated, the hot air can be uniformly sprayed to the surface of the pork strips through the air injection pipes 84, and the pork strips can be quickly dried.

Example two:

as shown in fig. 4, the guide mechanism 9 includes a guide frame 91 installed at the bottom end of the hydraulic push rod 22, movable rods 92 are movably installed on the front side and the rear side of the inside of the guide frame 91, a guide belt 93 is sleeved on the outer sides of the two movable rods 92, a third motor 94 is installed on the left side of the guide frame 91, an output shaft of the third motor 94 penetrates through the guide frame 91 to be connected with the movable rods 92, the guide frame 91 is driven to move downwards by extending the hydraulic push rod 22, the guide belt 93 can be in contact with pork strips, the movable rods 92 are driven to rotate through the third motor 94, the guide belt 93 can be rotated towards one side, through friction between the guide belt 93 and the pork strips, the pork strips can be driven to turn over, each surface of the pork strips can be evenly air-dried, and the efficiency of making preserved pork is improved.

Example three:

as shown in fig. 5, the limiting mechanism 5 includes limiting frames 51 installed on the front and rear sides of the inner bottom wall of the mounting frame 1, limiting rollers 52 are movably installed on both sides of the inside of the limiting frames 51, the top ends of the limiting rollers 52 penetrate through the limiting frames 51 to be connected with the movable seat 3, and the movable seat 3 can keep a stable state when moving through the rolling of the limiting rollers 52 in the inside of the limiting frames 51.

Example four:

as shown in fig. 6, the movable mechanism 6 includes a movable sleeve 61 installed at the bottom of the right inner wall of the mounting bracket 1, a movable bearing 62 is installed inside the movable sleeve 61, the right side of the bidirectional screw 2 is connected with the movable bearing 62, and the bidirectional screw 2 rotates inside the movable bearing 62, so that the bidirectional screw 2 can be kept stable when rotating.

Example five:

as shown in fig. 7, the air guide mechanism 7 includes an air guide frame 71 mounted inside the movable frame 15, the air guide frame 71 is positioned inside the chain conveyor 16, air guide holes 72 are formed in the top end of the air guide frame 71 and are uniformly distributed, air is introduced into the air guide frame 71 through the fan 19 and the air duct 29, the air can be ejected upward through the air guide holes 72, and the air can be dried below the pork strips.

In the invention, when a user uses the device, firstly, the height of the chain type conveyor belt 16 is adjusted according to the height of a production line, the second motor 4 drives the two-way screw rod 2 to rotate, the two thread sleeves 11 can drive the movable seat 3 to simultaneously move towards the middle, so that the shape of the movable inserting frame 10 can be changed, the movable inserting frame 10 can lift the supporting plate 13 upwards, the height of the chain type conveyor belt 16 can be adjusted to be suitable for the heights of different production lines, then the chain type conveyor belt 16 of the pork strips is arranged on the production line, the first motor 28 is started to drive the movable roller 14 to rotate, the chain type conveyor belt 16 can be driven to convey the pork strips to the inside of the supporting frame 18, the fan 19 guides air into the heat conducting frame 81 and the air guiding frame 71 through the air guide pipe 21 and the ventilation pipe 29 respectively, and the electric heating wire 83 is electrified to heat the pork strips, the air passing through the inside of the heat conduction frame 81 can be heated, the hot air can be uniformly sprayed to the surface of the pork strips through the air spraying pipe 84, the pork strips can be quickly air-dried, meanwhile, the air can be dried below the pork strips through the action of the air guide frame 71 and the air guide holes 72, the air drying efficiency is improved, when the pork strips move to the middle part of the support frame 18, the hydraulic push rod 22 is controlled to extend to drive the guide frame 91 to move downwards, the guide belt 93 can be in contact with the pork strips, the movable rod 92 is driven to rotate through the third motor 94, the guide belt 93 can be rotated towards one side, the pork strips can be driven to turn over through the friction between the guide belt 93 and the pork strips, so that each surface of the pork strips can be uniformly air-dried, the efficiency of making cured meat is improved, and the sterilization treatment can be carried out on the pork strips through the action of the ultraviolet lamp tube 24, the safety of food production is guaranteed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.