阅读说明：本技术 一种工业用木板材快速压花设备 (Quick knurling equipment of industrial plank material ) 是由 冯德文 于 2020-07-06 设计创作，主要内容包括：本发明公开了一种工业用木板材快速压花设备,包括架体,所述架体顶部的中央位置处固定安装有两组安装架,所述安装架的顶部皆固定安装有液压缸,所述液压缸的输出端贯穿安装架固定安装有减压弹簧,所述减压弹簧的顶底部固定安装有第一固定板,所述第一固定板的顶部固定安装有压花板,所述安装架之间的架体上固定安装有第二固定板,所述第二固定板上固定安装有第三电动推杆。本发明实现了可以对板材进行自动压花的功能,且可同时可以对板材进行基础压花作业,提设备对板材压花的效率,可以根据板材的规格对板材压花时进行固定,大大提升了设备的实用性。(The invention discloses industrial wood board rapid embossing equipment which comprises a frame body, wherein two groups of mounting frames are fixedly mounted at the central position of the top of the frame body, hydraulic cylinders are fixedly mounted at the tops of the mounting frames, pressure reducing springs are fixedly mounted at the output ends of the hydraulic cylinders in a penetrating mode through the mounting frames, first fixing plates are fixedly mounted at the top bottoms of the pressure reducing springs, embossing plates are fixedly mounted at the tops of the first fixing plates, second fixing plates are fixedly mounted on the frame body between the mounting frames, and third electric push rods are fixedly mounted on the second fixing plates. The automatic embossing device disclosed by the invention has the advantages that the automatic embossing function of the plate can be realized, the basic embossing operation can be simultaneously carried out on the plate, the efficiency of the device for embossing the plate can be improved, the plate can be fixed when being embossed according to the specification of the plate, and the practicability of the device is greatly improved.)

1. The industrial wood board rapid embossing equipment is characterized by comprising a frame body (3), wherein two groups of mounting frames (8) are fixedly mounted at the central position of the top of the frame body (3), hydraulic cylinders (9) are fixedly mounted at the tops of the mounting frames (8), pressure reducing springs (10) are fixedly mounted at the output ends of the hydraulic cylinders (9) through the mounting frames (8), first fixing plates (11) are fixedly mounted at the top and the bottom of the pressure reducing springs (10), embossing plates (12) are fixedly mounted at the tops of the first fixing plates (11), second fixing plates (13) are fixedly mounted on the frame body (3) between the mounting frames (8), and third electric push rods (26) are fixedly mounted on the second fixing plates (13);

a support plate (19) is arranged at the central position inside the frame body (3), two groups of mounting seats (1902) are fixedly mounted on the front surface and the back surface of the support plate (19), five groups of through holes (1901) are formed in the support plate (19), a mounting hole (1903) is formed in the central position of the bottom of the support plate (19), two groups of second electric push rods (22) are fixedly mounted at the bottom of the support plate (19), a mounting plate (21) is fixedly mounted at the output end of each second electric push rod (22), five groups of wheel carriers (2101) are fixedly mounted at the top of the mounting plate (21), a central roller (20) is rotatably mounted on each mounting plate (21), and a second motor (23) is fixedly mounted at the bottom of the mounting plate (21);

the utility model discloses a support structure, including support plate (19), support frame (3), support plate (19) one side, the inside rotation of support frame (3) of support plate (19) one side installs five feeding roller (7) of organizing, one side fixed mounting of support frame (3) bottom has first motor (2), the inside rotation of support frame (3) of support plate (19) opposite side installs two sets of row's material gyro wheels (16), support frame (3) bottom central point department fixed mounting has control box (6), the inside fixed mounting of control box (6) has PLC controller (24), one side fixed mounting of PLC controller (24) has converter (25).

2. The industrial wood board rapid embossing device as claimed in claim 1, wherein a second fixing frame (17) is fixedly installed inside the frame body (3) between the supporting plate (19) and the discharging roller (16), a first electric push rod (18) is fixedly installed on the second fixing frame (17), and a baffle (14) is fixedly installed at the output end of the first electric push rod (18).

3. The industrial wood board rapid embossing device as claimed in claim 1, wherein a mounting groove (301) is formed in one side of the top of the frame body (3), a third fixing frame (15) is fixedly mounted on the mounting groove (301), an adjusting hole (1501) is formed in the third fixing frame (15), and an infrared sensor (1502) is fixedly mounted on the adjusting hole (1501).

4. The rapid embossing apparatus for industrial wood planks as claimed in claim 1, wherein the output end of the third electric push rod (26) is fixedly installed with a push plate (27), and the push plate (27) is fixedly installed with a positioning plate (2701).

5. The industrial wood board rapid embossing device as claimed in claim 1, wherein a maintenance door (601) is movably installed on the front surface of the control box (6), and a safety lock (602) is fixedly installed on the maintenance door (601).

6. The industrial wood panel rapid embossing apparatus as claimed in claim 1, wherein the support leg (1) is fixedly installed at the bottom of the frame body (3), and the leg plate (101) is fixedly installed at the bottom of the support leg (1).

7. The rapid embossing apparatus for industrial wood panels as claimed in claim 1, wherein a first rotating shaft (2001) is fixedly installed at a front surface of the center roller (20), and a second rotating shaft (2002) is fixedly installed at a rear surface of the center roller (20).

8. The industrial wood board rapid embossing equipment as claimed in claim 1, wherein a first fixing frame (4) is fixedly installed on both sides of the top of the frame body (3), an adjusting bolt (401) is rotatably installed on the first fixing frame (4), and a protection plate (5) is rotatably installed inside the adjusting bolt (401).

Technical Field

The invention relates to the technical field of plate embossing, in particular to quick embossing equipment for an industrial wood plate.

Background

Sheet materials (sheet materials) are flat rectangular sheets of building material of standard size, used in the construction industry as wall, ceiling or floor elements. Also referred to are forged, rolled or cast metal sheets, which need to be embossed for some decorative applications.

Although the prior patent (publication number: CN 109927144a) discloses an industrial wood board rapid embossing apparatus, which comprises a first slide rail, a first rack, a first support rod, a second slide rail, a top plate, a gear, a first slide block, a magnet block, a rotating motor, a second rack, a clamping groove, etc.; the third slide rail is connected with a third slide block in a sliding manner, the third slide rail is matched with the third slide block, and the middle part of the left end of the third slide block is welded with a pull rod. However, in the process of implementing the present invention, the inventor finds that at least the following problems in the prior art are not solved: 1. manual operation is required for workers, so that the efficiency is not high; 2. the prior art can not carry out fixed embossing according to the specification of the actually processed plate, which leads to the situation of low practicability; 3. meanwhile, the existing embossing equipment has no continuity, and only can be used for embossing independently, so that the embossing efficiency of the equipment is reduced; 4. in the prior art, a motor gear is used as power, and the situation of insufficient mechanical pressure is easy to occur when the motor and the gear are matched for embossing. Therefore, the equipment capable of automatically controlling and continuously embossing and simultaneously embossing and fixing the plates with different specifications is designed.

Disclosure of Invention

The invention aims to solve the defects in the prior art, such as: when using, the existing wood board quick embossing equipment mostly needs workers to perform embossing operation on boards through manual operation, and meanwhile, the existing embossing equipment does not have continuity when embossing, is low in embossing efficiency, does not have fixed adjustability when embossing the boards with different specifications, and has the problem of board embossing dislocation.

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

the industrial wood board rapid embossing equipment comprises a frame body, wherein two groups of mounting frames are fixedly mounted at the central position of the top of the frame body, hydraulic cylinders are fixedly mounted at the tops of the mounting frames, the output ends of the hydraulic cylinders penetrate through the mounting frames and are fixedly provided with pressure reducing springs, first fixing plates are fixedly mounted at the top bottoms of the pressure reducing springs, embossing plates are fixedly mounted at the tops of the first fixing plates, second fixing plates are fixedly mounted on the frame body between the mounting frames, and third electric push rods are fixedly mounted on the second fixing plates;

the rack body is characterized in that a supporting plate is arranged at the central position inside the rack body, two groups of mounting seats are fixedly mounted on the front surface and the back surface of the supporting plate, five groups of through holes are formed in the supporting plate, a mounting hole is formed in the central position of the bottom of the supporting plate, two groups of second electric push rods are fixedly mounted at the bottom of the supporting plate, a mounting plate is fixedly mounted at the output end of each second electric push rod, five groups of wheel carriers are fixedly mounted at the top of the mounting plate, central idler wheels are rotatably mounted on the mounting plate, and a second motor is fixedly mounted at the bottom;

the utility model discloses a material feeding device, including backup pad, support body bottom, support body.

Preferably, the inside fixed mounting of support body between backup pad and the row material gyro wheel has the second mount, fixed mounting has first electric putter on the second mount, first electric putter output fixed mounting has the baffle.

Preferably, a mounting groove is formed in one side of the top of the frame body, a third fixing frame is fixedly mounted on the mounting groove, an adjusting hole is formed in the third fixing frame, and an infrared sensor is fixedly mounted on the adjusting hole.

Preferably, the output end of the third electric push rod is fixedly provided with a push plate, and the push plate is fixedly provided with a positioning plate.

Preferably, the front face of the control box is movably provided with a maintenance door, and a safety lock is fixedly arranged on the maintenance door.

Preferably, the bottom of support body fixed mounting has the supporting leg, the bottom fixed mounting of supporting leg has the leg board.

Preferably, a first rotating shaft is fixedly installed on the front surface of the central roller, and a second rotating shaft is fixedly installed on the back surface of the central roller.

Preferably, the both sides at support body top are fixed mounting all has first mount, rotate on the first mount and install adjusting bolt, adjusting bolt's inside is all rotated and is installed the backplate.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the embossing machine, the feeding roller is matched with the first motor, the central roller is matched with the second motor, so that the moving feeding and feeding of equipment during embossing on a board are facilitated, and the operation of workers during using the equipment is facilitated.

2. According to the invention, the third electric push rod is matched with the positioning plate, and the first electric push rod is matched with the baffle quota, so that the position of the plate can be positioned when the plate is embossed, the condition that the position of the plate is staggered when the plate is embossed is avoided, and the accuracy of embossing the plate is improved.

3. The invention can automatically control and operate the equipment during embossing by arranging the PLC, thereby greatly improving the practicability of the equipment during use.

4. According to the invention, the hydraulic cylinder is matched with the pressure reducing spring, so that the embossing quality of the embossing plate on the plate is improved, meanwhile, the pressure reducing spring avoids the condition that the plate is cracked due to overlarge pressure, and the practicability of the equipment in use is improved.

Drawings

FIG. 1 is a schematic structural view of an industrial wood panel rapid embossing apparatus according to the present invention;

FIG. 2 is a schematic front view of an industrial wood-panel rapid embossing apparatus according to the present invention;

FIG. 3 is a schematic top view of an industrial wood-based panel rapid embossing apparatus according to the present invention;

FIG. 4 is a schematic side view of a mounting frame of the rapid embossing apparatus for industrial wood panels according to the present invention;

FIG. 5 is a schematic side view of a baffle of the rapid embossing equipment for industrial wood boards according to the present invention;

FIG. 6 is a schematic top view of a support plate of the rapid embossing apparatus for industrial wood boards according to the present invention;

FIG. 7 is a schematic view of the internal structure of a support plate of the rapid embossing apparatus for industrial wood boards according to the present invention;

FIG. 8 is a schematic view of a central roller installation structure of an industrial wood panel rapid embossing apparatus according to the present invention;

FIG. 9 is a schematic top view of a central roller of the rapid embossing apparatus for industrial wood boards according to the present invention;

FIG. 10 is a schematic view of the internal structure of a control box of the rapid embossing equipment for industrial wood boards according to the present invention;

FIG. 11 is a schematic view of a positioning plate mounting structure of the industrial wood-panel rapid embossing apparatus according to the present invention;

fig. 12 is a schematic view of an infrared sensor installation structure of an industrial wood panel rapid embossing apparatus according to the present invention.

In the figure: 1. supporting legs; 101. a leg plate; 2. a first motor; 3. a frame body; 301. mounting grooves; 4. a first fixing frame; 401. adjusting the bolt; 5. a guard plate; 6. a control box; 601. maintaining the door; 602. a safety lock; 7. a feeding roller; 8. a mounting frame; 9. a hydraulic cylinder; 10. a relief spring; 11. a first fixing plate; 12. embossing plates; 13. a second fixing plate; 14. a baffle plate; 15. a third fixing frame; 1501. an adjustment hole; 1502. an infrared sensor; 16. a discharging roller; 17. a second fixing frame; 18. a first electric push rod; 19. a support plate; 1901. a through hole; 1902. a mounting seat; 1903. mounting holes; 20. a central roller; 2001. a first rotating shaft; 2002. a second rotating shaft; 21. mounting a plate; 2101. a wheel carrier; 22. a second electric push rod; 23. a second motor; 24. a PLC controller; 25. a frequency converter; 26. a third electric push rod; 27. pushing the plate; 2701. and (7) positioning the plate.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-12, an industrial wood board rapid embossing device comprises a frame body 3, wherein two groups of mounting frames 8 are fixedly mounted at the central position of the top of the frame body 3, hydraulic cylinders 9 are fixedly mounted at the tops of the mounting frames 8, pressure reducing springs 10 are fixedly mounted at the output ends of the hydraulic cylinders 9 through the mounting frames 8, first fixing plates 11 are fixedly mounted at the top bottoms of the pressure reducing springs 10, embossing plates 12 are fixedly mounted at the tops of the first fixing plates 11, second fixing plates 13 are fixedly mounted on the frame body 3 between the mounting frames 8, and third electric push rods 26 are fixedly mounted on the second fixing plates 13;

a support plate 19 is arranged at the central position inside the frame body 3, two sets of mounting seats 1902 are fixedly mounted on the front and back of the support plate 19, five sets of through holes 1901 are formed in the support plate 19, a mounting hole 1903 is formed at the central position of the bottom of the support plate 19, two sets of second electric push rods 22 are fixedly mounted inside the support plate 19, a mounting plate 21 is fixedly mounted at the output end of each second electric push rod 22, five sets of wheel frames 2101 are fixedly mounted at the top of the mounting plate 21, a central roller 20 is rotatably mounted on each mounting plate 21, and a second motor 23 is fixedly mounted at the bottom of the mounting plate 21;

five feeding roller 7 are installed in the inside rotation of the support body 3 of 19 one sides of backup pad, one side fixed mounting of 3 bottoms of support body has first motor 2, the inside rotation of the support body 3 of 19 opposite sides of backup pad installs two sets of row's material gyro wheels 16, 3 bottom central point department fixed mounting of support body has control box 6, the inside fixed mounting of control box 6 has PLC controller 24, one side fixed mounting of PLC controller 24 has converter 25.

It should be noted that, two sets of mounting frames 8 are fixedly mounted at the central position of the top of the frame body 3 through bolts, hydraulic cylinders 9 are fixedly mounted at the tops of the mounting frames 8 through bolts, the hydraulic cylinders 9 are connected with an external hydraulic pump through hydraulic pipes, the output ends of the hydraulic cylinders 9 penetrate through the mounting frames 8 and are fixedly mounted with pressure reducing springs 10 through bolts, the pressure reducing springs 10 increase the buffer force during equipment embossing, the condition that the plate is cracked due to overlarge pressure is avoided, a first fixing plate 11 is fixedly mounted at the bottom of the pressure reducing springs 10 through bolts, an embossing plate 12 is fixedly mounted on the first fixing plate 11 through bolts, the embossing plate 12 is embossed through the cooperation of the hydraulic cylinders 9 and the pressure reducing springs 10, meanwhile, the embossing plate 12 is conveniently fixed through the first fixing plate 11, the embossing plate 12 is conveniently replaced according to the production requirement at the later stage, a second fixing plate 13 is fixedly mounted on the frame body 3 between the mounting frames 8 through, and there is a third electric putter 26 through bolt fixed mounting on the second fixed plate 13, and the model of third electric putter 26 can be: YS-L35-24-50-14-2300, the third electric push rod 26 is connected with an external power supply through a lead, and the third electric push rod 26 can push the sheet material on the frame body 3 back and forth, so that the position of the sheet material is positioned when the sheet material is embossed, and the stability of the device during use is improved;

place the support when backup pad 19 embosses panel, two sets of mount pads 1902 are all installed through welded fastening with the back in the front of backup pad 19, and mount pad 1902 is through installing the inside at support body 3 to backup pad 19, has increased the stability of support body 3 when using, is equipped with five groups of through-holes 1901 in the backup pad 19, and there are two sets of second electric putter 22 in the bottom of backup pad 19 through bolt fixed mounting, and the model of second electric putter 22 can be: YS-L35-24-50-14-2300 type, the second electric putter 22 passes through wire and external power supply, and the output end of second electric putter 22 runs through the bottom fixed mounting of backup pad 19 and has a mounting panel 21, the top of mounting panel 21 all has five groups of wheel carriers 2101 through welding fixed mounting, and all install central gyro wheel 20 through the pivot rotation on the five groups of wheel carriers 2101, second electric putter 22 lifts mounting panel 21, central gyro wheel 20 extends the outside of backup pad 19 through-hole 1901, the bottom of mounting panel 21 passes through bolt fixed mounting second motor 23, the model of second motor 23 can be: 5IK120RGN-CF type, a second motor 23 is connected with an external power supply through a lead, the second motor 23 drives a central roller 20 to rotate, the central roller 20 rotates to move a plate when the equipment is fed, and a second electric push rod 22 drives the central roller 20 to descend through contraction after the plate is moved to an embossing position, so that the plate is placed on the top of a supporting plate 19;

the inside of the support body 3 of backup pad 9 one side is rotated through the pivot and is installed five feeding roller 7 of organizing, and feeding roller 7 leads to the rotation and can carry out the pan feeding to panel, and there is first motor 2 one side of 3 bottoms of support body through bolt fixed mounting, and the model of first motor 2 can be: CH28 type, first motor 2 passes through the wire and is connected with external power supply, and the output of first motor 2 passes through the belt pulley and is connected with feed roller 7 rotation, thereby drive feed roller 7 through first motor 2 and rotate, the inside of the support body 3 of 19 opposite sides in backup pad is rotated through the pivot and is installed row material gyro wheel 16, it discharges to the back panel that the knurling was accomplished to arrange material gyro wheel 16, the central point department of the 3 bottom of support body has control box 6 through bolt fixed mounting, bolt fixed mounting PLC controller 24 is passed through to the inside of control box 6, PLC controller 24's model can be: model S7-200, PLC controller 24 passes through the wire and is connected with hydraulic stem 9, third electric putter 26, second electric putter 22, second motor 23, first motor 2 to control it through PLC controller 24, there is converter 25 one side of PLC controller 24 through bolt fixed mounting, the model of converter 25 can be: SKI600 type, the frequency converter 25 is connected with the first motor 2 and the second motor 23 through leads, so that the rotating speed of the frequency converter 25 can be adjusted.

A second fixing frame 17 is fixedly installed inside the frame body 3 between the supporting plate 19 and the discharging roller 16, a first electric push rod 18 is fixedly installed on the second fixing frame 17, and a baffle 14 is fixedly installed at the output end of the first electric push rod 18;

it should be noted that, the second fixing frame 17 is fixedly installed in the frame body 3 through bolts, the central position of the second fixing frame 17 is fixedly installed with a first electric push rod 18 through bolts, and the model of the first electric push rod 18 can be: YS-L35-24-50-14-2300, wherein the first electric push rod 18 is connected with the PLC 24 through a wire, so that the first electric push rod 18 is controlled by the PLC 24, the output end of the first electric push rod 18 is fixedly provided with the baffle 14 through a bolt, the first electric push rod 18 is matched with the baffle 14 when being extended to block the movement of the plate, so that the deviation of the embossing position of the plate is avoided, and the first electric push rod 18 is matched with the baffle 14 when being contracted to release the plate;

an installation groove 301 is formed in one side of the top of the frame body 3, a third fixing frame 15 is fixedly installed on the installation groove 301, an adjusting hole 1501 is formed in the third fixing frame 15, and an infrared sensor 1502 is fixedly installed on the adjusting hole 1501;

it should be noted that, the third mount 15 passes through bolt and slider fixed mounting on mounting groove 301, and the elasticity of being connected through adjusting fixing bolt and slider simultaneously can be adjusted the position about third mount 15, is equipped with regulation hole 1501 on the third mount 15, and has infrared sensor 1502 through bolt fixed mounting on the regulation hole 1501, and infrared sensor 1502's model can be: in the TB12J-D15N1 model, the infrared sensor 1502 monitors the position of the sheet, and the infrared sensor 1502 is connected to the PLC controller 24 through a wire, so that when the infrared sensor 1502 detects the sheet, the PLC controller 24 can perform the next operation on the device;

wherein, the output end of the third electric push rod 26 is fixedly provided with a push plate 27, and the push plate 27 is fixedly provided with a positioning plate 2701;

it should be noted that the push plate 27 is fixedly mounted at the output end of the third electric push rod 26 through a bolt, the positioning plate 2701 is fixedly mounted at the inner side of the push plate 27 through a bolt, and the push plate 27 and the positioning plate 2701 cooperate to push the plate to enter a designated embossing position, so that the functionality of the apparatus is increased;

the front surface of the control box 6 is movably provided with a maintenance door 601, and a safety lock 602 is fixedly arranged on the maintenance door 601;

it should be noted that, the maintenance door 601 is movably installed through a hinge, the maintenance door 601 can seal the control box 6, so as to increase the security inside the control box 6, and meanwhile, the safety lock 602 can lock the maintenance door 601, so as to increase the security of the maintenance door 601;

wherein, the bottom of the frame body 3 is fixedly provided with a supporting leg 1, and the bottom of the supporting leg 1 is fixedly provided with a leg plate 101;

it should be noted that, the supporting leg 1 is fixedly installed by a bolt, the supporting leg 1 supports the equipment, and meanwhile, the leg plate 101 increases the stressed area of the supporting leg 1, so that the stability of the supporting leg 1 in supporting the equipment is improved.

A first rotating shaft 2001 is fixedly installed on the front surface of the central roller 20, and a second rotating shaft 2002 is fixedly installed on the back surface of the central roller 20;

it should be noted that a belt pulley is sleeved outside the first rotating shaft 2001, and one side of the belt pulley is rotatably connected to the second motor 23, so that the second motor 23 drives the first central roller 20 to connect, and the second rotating shaft 2002 drives the remaining central rollers 20 to rotate through the belt pulley.

The two sides of the top of the frame body 3 are fixedly provided with first fixing frames 4, the first fixing frames 4 are rotatably provided with adjusting bolts 401, and the inner parts of the adjusting bolts 401 are fixedly connected with guard plates 5;

it should be noted that, the first fixing frame 4 is fixedly installed through a bolt, the adjusting bolt 401 is rotatably installed on the first fixing frame 4, the guard plate 5 is rotatably installed inside the adjusting bolt 401, the guard plate 5 protects the panel during moving and machining, the condition that the panel slides out of the equipment is avoided, and meanwhile, the position of the guard plate 5 can be adjusted and controlled through rotating the adjusting bolt 401 according to the size of the panel.

In the invention, when a user uses the device, referring to the attached drawing 1, the attached drawing 2 and the attached drawing 3 of the specification, a first motor 2 drives a feeding roller 7 to rotate to feed a plate, a first fixing frame 4 is matched with a protection plate 5 to protect the plate from moving and feeding, the plate moves to a central roller 20 through the feeding roller 7, a second motor 23 drives the central roller 20 to rotate to continue moving the plate, a first electric push rod 18 is matched with a baffle 14 to block the plate, an infrared sensor 1502 monitors the plate, after the plate is monitored by the infrared sensor 1502, a PLC 24 contracts the second electric push rod 22, a third electric push rod 26 is matched with a positioning plate 2701 to push the plate to a specified position, a hydraulic cylinder 9 is matched with a pressure reducing spring 10, a first fixing plate 11 and an embossing plate 12 to emboss the plate, the embossed plate moves through the central roller 20, at the same time the first power ram 18 is retracted and the sheet is discharged from the apparatus via the discharge roller 16.

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.