阅读说明：本技术 一种加压接触式电芯预热炉 (Pressurization contact type cell preheating furnace ) 是由 李月娃 于 2019-12-18 设计创作，主要内容包括：本发明公开了一种加压接触式电芯预热炉,包括主安装机架、安装在主安装机架内的预热装置、设置在主安装机架前侧的上料机器人、设置在主安装机架后侧的下料机器人以及电控箱,预热装置包括机架组件和多个预热烤箱组件,两个侧支撑板外侧分别设置有烤箱平移模组,烤箱平移模组带动每一预热烤箱组件在侧支撑板内侧沿着水平方向移动,两个侧支撑板中部内侧之间设置有多数个堆叠安装的加压板,每一加压板分别设置在对应的预热烤箱组件的上方,预热烤箱组件包括型材箱体以及设置在型材箱体内的加热板。本发明整体结构简单,维护方便,易于实现自动化工作,生产效率高。(The invention discloses a pressurized contact type battery cell preheating furnace which comprises a main mounting rack, a preheating device arranged in the main mounting rack, a feeding robot arranged on the front side of the main mounting rack, a blanking robot arranged on the rear side of the main mounting rack and an electric cabinet, wherein the preheating device comprises a rack assembly and a plurality of preheating oven assemblies, oven translation modules are respectively arranged on the outer sides of two side supporting plates and drive each preheating oven assembly to move in the horizontal direction on the inner sides of the side supporting plates, a plurality of pressurizing plates which are stacked and arranged are arranged between the inner sides of the middle parts of the two side supporting plates and respectively arranged above the corresponding preheating oven assembly, and each preheating oven assembly comprises a section box body and a heating plate arranged in the section box body. The invention has simple integral structure, convenient maintenance, easy realization of automatic work and high production efficiency.)

1. A pressurized contact type battery cell preheating furnace is characterized by comprising a main mounting rack, a preheating device arranged in the main mounting rack, a feeding robot arranged on the front side of the main mounting rack, a blanking robot arranged on the rear side of the main mounting rack and an electric cabinet, wherein the electric cabinet is electrically connected with the preheating device, the feeding robot and the blanking robot respectively,

preheating device includes frame subassembly and a plurality of preheating oven subassembly, and is a plurality of preheating oven subassembly piles up in proper order along vertical direction and installs between the collateral branch fagging inboard of two relative settings of frame subassembly, two the collateral branch fagging outside is provided with oven translation module respectively, oven translation module drives each preheating oven subassembly is in the collateral branch fagging is inboard to be removed along the horizontal direction, two be provided with a plurality of pressure plates of piling up the installation in proper order along vertical direction between the collateral branch fagging middle part inboard, each the pressure plate sets up respectively and corresponds preheating oven subassembly's top, preheating oven subassembly includes the section bar box and sets up heating plate in the section bar box, be provided with the preheating station that electric core was placed to a plurality of on the heating plate.

2. The pressurized contact type cell preheating furnace according to claim 1, wherein two ends of the profile box body are provided with a translation slider and a material shifting interface, two translation slide rails matched with the translation slider are respectively arranged at two ends of the profile box body corresponding to the inner sides of the two side support plates, and the oven translation module drives each profile box body to move on the translation slide rails along a horizontal direction through the material shifting interface.

3. The pressurized contact cell preheating furnace of claim 2, wherein the oven translation module comprises a horizontal moving stage and a vertical moving stage, the horizontal moving stage is mounted on a horizontal driving mechanism, the horizontal driving mechanism is mounted on the main mounting frame, the horizontal driving mechanism is mounted on a vertical driving mechanism through the vertical moving stage, the horizontal driving mechanism drives the horizontal moving stage to move horizontally, and the vertical driving mechanism drives the vertical moving stage to move vertically,

the horizontal moving platform is provided with a material shifting positioning cylinder, and the working end of the material shifting positioning cylinder is provided with a material shifting shaft matched with the material shifting interface.

4. The pressurized contact cell preheating furnace of claim 1, wherein the feeding robot and the blanking robot are each provided with a pneumatic clamping jaw, and the pneumatic clamping jaw comprises a transverse base plate and a plurality of cell clamping assemblies disposed below the transverse base plate.

5. The pressurized contact type battery cell preheating furnace of claim 4, wherein the battery cell clamping assembly comprises a bidirectional driving cylinder and a set of battery cell clamping jaws, the bidirectional driving cylinder is installed at the lower end of the transverse base plate, opposite guide rail pairs are respectively arranged at two sides of the lower end of the bidirectional driving cylinder, the bidirectional driving cylinder drives a set of clamping jaw seat plates to relatively reciprocate on the opposite guide rail pairs,

the inside of clamping jaw bedplate is provided with vertical centre gripping cylinder, vertical centre gripping cylinder drives a clamp plate vertical movement, the upper end of electricity core clamping jaw is fixed the outside of clamping jaw bedplate.

6. The pressurized contact type battery cell preheating furnace according to claim 5, wherein a photosensitive switch is arranged below the bidirectional driving cylinder.

7. The pressurized contact cell preheating furnace of claim 1, wherein the robot bodies of the feeding robot and the blanking robot are both six-axis robots.

8. The pressurized contact cell preheating furnace of claim 1, wherein the rack assembly comprises two side support plates disposed opposite to each other, and a beam plate and a bottom plate disposed at upper and lower ends inside the side support plates, and a plurality of preheating oven assemblies are disposed in a vertical space between the beam plate and the bottom plate.

9. The pressurized contact type battery cell preheating furnace of claim 1, wherein a slide rod is arranged on the outer side of the side support plate, linear slide rails matched with the slide rod are arranged at two ends of the pressurizing plate, a pressurizing cylinder is arranged below the two ends of the pressurizing plate, the pressurizing cylinder is mounted on the outer side of the side support plate, and the pressurizing cylinder drives the pressurizing plate to move vertically along the slide rod.

10. The pressurized contact cell preheating furnace of claim 1, wherein the oven translation module comprises an oven loading translation module and an oven unloading translation module, the oven loading translation module is disposed outside the front ends of the side support plates, and the oven unloading translation module is disposed outside the rear ends of the side support plates.

Technical Field

The invention relates to the technical field of lithium battery production and processing equipment, in particular to a pressurized contact type battery cell preheating furnace.

Background

At present, the lithium ion battery industry at home and abroad has a good development prospect, and the lithium ion battery is generally applied to portable electrical appliances such as a portable computer, a camera and mobile communication due to the unique performance advantages of the lithium ion battery. The high-capacity lithium ion battery developed at present is tried out in electric automobiles, is expected to become one of main power sources of the electric automobiles in the 21 st century, and is applied to artificial satellites, aerospace and energy storage. With the shortage of energy and the pressure in the environmental protection aspect of the world, the lithium battery is widely applied to the electric vehicle industry, and particularly the development and application of the lithium battery industry are promoted due to the appearance of the lithium iron phosphate material battery. In order to ensure high quality of the lithium battery, the production environment of each process in the production process of the lithium battery needs to be strictly controlled. In the production process of the lithium battery, the bare cell, the pole piece, the pole coil and the cell need to be preheated or dried.

The traditional bare cell preheating of the lithium battery is realized by preheating a tunnel furnace, the tunnel furnace is mainly heated by hot air, but the hot air heating has the problems of poor heating uniformity, poor temperature control precision, long baking period, large energy consumption and the like; adopt traditional longmen clamping device centre gripping lithium cell naked electric core during unloading simultaneously, go up unloading speed slow, and maintain inconveniently.

The above disadvantages need to be improved.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a pressurized contact type battery cell preheating furnace.

The technical scheme of the invention is as follows:

a pressurized contact type battery cell preheating furnace is characterized by comprising a main mounting rack, a preheating device arranged in the main mounting rack, a feeding robot arranged on the front side of the main mounting rack, a blanking robot arranged on the rear side of the main mounting rack and an electric cabinet, wherein the electric cabinet is electrically connected with the preheating device, the feeding robot and the blanking robot respectively,

preheating device includes frame subassembly and a plurality of preheating oven subassembly, and is a plurality of preheating oven subassembly piles up in proper order along vertical direction and installs between the collateral branch fagging inboard of two relative settings of frame subassembly, two the collateral branch fagging outside is provided with oven translation module respectively, oven translation module drives each preheating oven subassembly is in the collateral branch fagging is inboard to be removed along the horizontal direction, two be provided with a plurality of pressure plates of piling up the installation in proper order along vertical direction between the collateral branch fagging middle part inboard, each the pressure plate sets up respectively and corresponds preheating oven subassembly's top, preheating oven subassembly includes the section bar box and sets up heating plate in the section bar box, be provided with the preheating station that electric core was placed to a plurality of on the heating plate.

The oven is characterized in that two ends of the profile box body are provided with a translation sliding block and a material shifting interface, translation sliding rails matched with the translation sliding block are respectively arranged on the inner sides of the two side supporting plates corresponding to the two ends of each profile box body, and the oven translation module drives each profile box body to move on the translation sliding rails along the horizontal direction through the material shifting interface.

Furthermore, the oven translation module comprises a horizontal moving platform and a vertical moving platform, the horizontal moving platform is arranged on a horizontal driving mechanism, the horizontal driving mechanism is arranged on the main mounting rack, the horizontal driving mechanism is arranged on a vertical driving mechanism through the vertical moving platform, the horizontal driving mechanism drives the horizontal moving platform to move horizontally, the vertical driving mechanism drives the vertical moving platform to move vertically,

the horizontal moving platform is provided with a material shifting positioning cylinder, and the working end of the material shifting positioning cylinder is provided with a material shifting shaft matched with the material shifting interface.

The invention according to the scheme is characterized in that the feeding robot and the blanking robot are respectively provided with a pneumatic clamping jaw, and the pneumatic clamping jaw comprises a transverse base plate and a plurality of battery cell clamping assemblies arranged below the transverse base plate.

Furthermore, the battery cell clamping assembly comprises a bidirectional driving cylinder and a group of battery cell clamping jaws, the bidirectional driving cylinder is installed at the lower end of the transverse base plate, opposite guide rail pairs are respectively arranged on two sides of the lower end of the bidirectional driving cylinder, the bidirectional driving cylinder drives a group of clamping jaw seat plates to relatively reciprocate on the opposite guide rail pairs,

the inside of clamping jaw bedplate is provided with vertical centre gripping cylinder, vertical centre gripping cylinder drives a clamp plate vertical movement, the upper end of electricity core clamping jaw is fixed the outside of clamping jaw bedplate.

Furthermore, a photosensitive switch is arranged below the bidirectional driving cylinder.

The invention according to the above scheme is characterized in that the robot bodies of the feeding robot and the blanking robot are both six-axis robots.

The invention according to the above scheme is characterized in that the rack assembly comprises two side support plates which are oppositely arranged, and a cross beam plate and a bottom beam plate which are arranged at the upper end and the lower end of the inner side of each side support plate, and the preheating oven assemblies are arranged in a vertical space between the cross beam plate and the bottom beam plate.

The invention according to the scheme is characterized in that a sliding rod is arranged on the outer side of the side supporting plate, linear sliding rails matched with the sliding rod are arranged at two ends of the pressurizing plate, a pressurizing cylinder is arranged below the two ends of the pressurizing plate and is installed on the outer side of the side supporting plate, and the pressurizing cylinder drives the pressurizing plate to vertically move along the sliding rod.

The invention according to the scheme is characterized in that the oven translation module comprises an oven blanking translation module and an oven loading translation module, the oven loading translation module is arranged on the outer side of the front end of the side supporting plate, and the oven blanking translation module is arranged on the outer side of the rear end of the side supporting plate.

Furthermore, the oven translation module comprises a horizontal moving platform and a vertical moving platform, the horizontal moving platform is arranged on a horizontal driving mechanism, the horizontal driving mechanism is arranged on the main mounting rack, the horizontal driving mechanism is arranged on a vertical driving mechanism through the vertical moving platform, the horizontal driving mechanism drives the horizontal moving platform to move horizontally, the vertical driving mechanism drives the vertical moving platform to move vertically,

the horizontal moving platform is provided with a material shifting positioning cylinder, and the working end of the material shifting positioning cylinder is provided with a material shifting shaft matched with the material shifting interface.

The invention has the beneficial effects that:

1. the six-axis robot is adopted for carrying out the feeding and discharging clamping operation, so that the flexibility is high, the maintenance is convenient, and the feeding and discharging speed is high;

2. the preheating device is provided with the oven translation modules at the feeding end and the discharging end respectively, so that the working efficiency of the preheating device is further improved;

3. preheating device is equipped with the increased pressure board, further shortens the preheating rate of the naked electric core of lithium cell, and work efficiency is faster.

4. The invention has simple integral structure, easy realization of automatic work and high production efficiency.

Drawings

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

FIG. 2 is an enlarged view of a portion of FIG. 1;

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

FIG. 4 is an enlarged view of a portion of FIG. 3;

FIG. 5 is a schematic view of a preheat oven assembly according to an embodiment of the present invention;

FIG. 6 is a schematic view of a translation module of an oven according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a loading and unloading robot according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a cell clamping assembly according to an embodiment of the present invention;

FIG. 9 is a schematic view of a pressing plate according to an embodiment of the present invention;

in the figure, 1, a main mounting frame; 2. a preheating device; 3. a feeding robot; 4. a blanking robot; 5. an electric core;

21. preheating the oven assembly; 22. side supporting plates; 23. a translational oven module; 24. a pressurizing plate; 25. a beam plate; 26. a bottom beam panel; 27. a slide bar; 211. a section bar box body; 212. heating plates; 213. a translation slide block; 214. a material stirring interface; 221. translating the slide rail; 231. a horizontal moving stage; 232. a vertical moving stage; 233. a horizontal driving mechanism; 234. a vertical drive mechanism; 241. a linear slide rail; 242. a pressurizing cylinder; 2311. a material poking and positioning cylinder; 2312. a material stirring shaft;

31. a pneumatic clamping jaw; 32. a robot main body; 311. a lateral substrate; 312. a cell clamping assembly; 3121. a bidirectional driving cylinder; 3122. a cell clamping jaw; 3123. a pair of guide rail pairs; 3124. a jaw base plate; 3125. a vertical clamping cylinder; 3126. pressing a plate; 3127. and a photosensitive switch.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

As shown in fig. 1 to 4, an embodiment of the present invention provides a pressurized contact type cell preheating furnace, which includes a main mounting rack 1, a preheating device 2 installed in the main mounting rack 1, a feeding robot 3 disposed on a front side of the main mounting rack 1, a discharging robot 4 disposed on a rear side of the main mounting rack 1, and an electric cabinet, where the electric cabinet is electrically connected to the preheating device 2, the feeding robot 3, and the discharging robot 4, respectively.

Preheating device 2 includes rack assembly and a plurality of oven assembly 21 of preheating, a plurality of oven assembly 21 of preheating stack gradually along vertical direction and install between the collateral branch fagging 22 inboard of two relative settings of rack assembly, two collateral branch fagging 22 outsides are provided with oven translation module 23 respectively, oven translation module 23 drives each and preheats oven assembly 21 and removes along the horizontal direction in collateral branch fagging 22 inboard, be provided with a plurality of pressure plates 24 of stacking the installation in proper order along vertical direction between two collateral branch fagging 22 middle part inboards, each pressure plate 24 sets up respectively in the top of preheating oven assembly 21 that corresponds, preheat oven assembly 21 and include section bar box 211 and set up the hot plate 212 in section bar box 211, it places the preheating station of electric core 5 to be provided with a plurality of on the hot plate 212.

Adopt above-mentioned technical scheme, through setting up a plurality of oven subassembly 21 of preheating, preheat oven subassembly 21 and pile up in proper order along vertical direction and install between collateral branch fagging 22 is inboard, utilize oven translation module 23 to drive each and preheat oven subassembly 21 and remove along the horizontal direction in collateral branch fagging 22 inboard and form the material loading district respectively, preheat the district, the unloading district, a plurality of oven subassembly 21 of preheating pile up each other when preheating the district, each preheats oven subassembly 21's hot plate 212 and 24 pressurization boards of top and carry out the pressure-cooker to the naked electric core of lithium cell, thereby realize the preheating treatment of the naked electric core of lithium cell, the overall structure is simple, easily realize automatic work, high production efficiency.

As shown in fig. 5, two ends of the profile box 211 are provided with a translation slider 213 and a material shifting interface 214, two inner sides of the two side support plates 22 corresponding to two ends of each profile box 211 are respectively provided with a translation slide rail 221 matched with the translation slider 213, and the oven translation module 23 drives each profile box 211 to move on the translation slide rail 221 along the horizontal direction through the material shifting interface 214.

Preferably, the material stirring interfaces 214 are arranged at four corners of the profile box body 211.

As shown in fig. 6, the oven translation module 23 includes a horizontal moving stage 231 and a vertical moving stage 232, the horizontal moving stage 231 is mounted on a horizontal driving mechanism 233, the horizontal driving mechanism 233 is mounted on the main mounting frame 1, the horizontal driving mechanism 233 is mounted on a vertical driving mechanism 234 through the vertical moving stage 232, the horizontal driving mechanism 233 drives the horizontal moving stage 231 to move horizontally, and the vertical driving mechanism 234 drives the vertical moving stage 232 to move vertically. The horizontal moving table 231 is provided with a material shifting positioning cylinder 2311, and the working end of the material shifting positioning cylinder 2311 is provided with a material shifting shaft 2312 matched with the material shifting interface 214.

Preferably, the horizontal driving mechanism 233 includes a horizontal driving mounting base and a horizontal driving cover plate, a horizontal driving motor is disposed at one end of the horizontal mounting base, a horizontal synchronous belt set is disposed in an accommodating space formed by the horizontal driving mounting base and the horizontal driving cover plate, the horizontal driving motor drives the horizontal synchronous belt set through a driving pulley set, a horizontal supporting guide rail pair is disposed in the accommodating space in parallel to the horizontal synchronous belt set, the horizontal moving table 231 is mounted on the horizontal supporting guide rail pair, and the horizontal moving table 231 is connected with the horizontal synchronous belt set through a driving connecting block.

Optionally, a plurality of auxiliary supporting rollers are further arranged in the horizontal driving mounting seat, and the auxiliary supporting rollers are used for supporting the horizontal synchronous belt set.

Furthermore, a front limit switch and a rear limit switch are respectively arranged at the front end and the rear end of the horizontal driving installation seat, and a horizontal follow-up flat cable is further arranged on the horizontal driving installation seat.

Preferably, the vertical driving mechanism 234 includes a vertical driving mounting seat and a vertical driving cover plate, a vertical driving motor is provided at one end of the vertical mounting seat, a vertical synchronous belt set is provided in an accommodating space formed by the vertical driving mounting seat and the vertical driving cover plate, the vertical driving motor drives the vertical synchronous belt set through a driving wheel set, a parallel vertical synchronous belt set in the accommodating space is provided with a vertical supporting guide rail pair, the vertical moving platform 232 is installed on the vertical supporting guide rail pair, and the vertical moving platform 232 is connected with the vertical synchronous belt set through a driving connecting block.

Optionally, the upper end and the lower end of the vertical driving mounting seat are respectively provided with an upper limit switch and a lower limit switch, and a vertical follow-up flat cable is further arranged on the vertical driving mounting seat.

As shown in fig. 7, the feeding robot 3 and the blanking robot 4 are both provided with a pneumatic clamping jaw 31, and the pneumatic clamping jaw 31 includes a transverse base plate 311 and a plurality of cell clamping assemblies 312 disposed below the transverse base plate 311. During the material loading, the naked electric core centre gripping back of lithium cell of material loading transmission line is placed to the naked electric core of lithium cell to the station of preheating by electric core centre gripping subassembly 312 of material loading robot 3, and during the unloading, the naked electric core of lithium cell after preheating is carried to the unloading transmission line from predetermineeing the station to unloading robot 4 to realize unloading in the automation.

As shown in fig. 8, the cell clamping assembly 312 includes a bidirectional driving cylinder 3121 and a set of cell clamping jaws 3122, the bidirectional driving cylinder 3121 is installed at the lower end of the transverse base plate 311, two opposite guide rail pairs 3123 are respectively disposed at two sides of the lower end of the bidirectional driving cylinder 3121, and the bidirectional driving cylinder 3121 drives the set of clamping jaw seat plates 3124 to relatively reciprocate on the opposite guide rail pairs 3123. The inboard of clamping jaw bedplate 3124 is provided with vertical centre gripping cylinder 3125, and vertical centre gripping cylinder 3125 drives a clamp plate 3126 vertical migration, and the outside at clamping jaw bedplate 3124 is fixed to the upper end of electric core clamping jaw 3122.

Preferably, a photosensitive switch 3127 is disposed below the bidirectional driving cylinder 3121, and whether the battery cell 5 reaches the clamping position of the battery cell clamping assembly 312 is determined by the photosensitive switch 3127.

In this embodiment, the robot main part of material loading robot 3 and unloading robot 4 is six robots, and six robots's flexibility is high, is convenient for maintain, and it is fast to go up the unloading.

As shown in fig. 9, a slide rod is disposed on the outer side of the side supporting plate 22, linear slide rails matched with the slide rod are disposed at the two ends of the pressure plate 24, a pressure cylinder is disposed below the two ends of the pressure plate 24, the pressure cylinder is mounted on the outer side of the side supporting plate 22, and the pressure cylinder drives the pressure plate 24 to move vertically along the slide rod.

In this embodiment, the rack assembly includes two side support plates 22 disposed opposite to each other, and a beam plate and a bottom plate disposed at upper and lower ends inside the side support plates 22, and the preheating oven assemblies 21 are disposed in a vertical space between the beam plate and the bottom plate.

Preferably, dust removing air cavities are respectively arranged on two sides of the transverse base plate 311, a dust removing valve group and a valve group moving cylinder for driving the dust removing valve group to move are further arranged on the transverse base plate 311, and the dust removing valve group is connected with the dust removing air cavities.

Further, a protective cover plate is covered on the transverse base plate 311.

In this embodiment, the oven translation module 23 includes an oven feeding translation module and an oven discharging translation module, the oven feeding translation module is disposed outside the front end of the side supporting plate 22, and the oven discharging translation module is disposed outside the rear end of the side supporting plate 22. The oven device is provided with the oven translation module 23 at the feeding end and the discharging end respectively, so that the working efficiency of the preheating device 2 is improved.

Preferably, the horizontal driving mechanism 233 includes a horizontal driving mounting base and a horizontal driving cover plate, a horizontal driving motor is disposed at one end of the horizontal mounting base, a horizontal synchronous belt set is disposed in an accommodating space formed by the horizontal driving mounting base and the horizontal driving cover plate, the horizontal driving motor drives the horizontal synchronous belt set through a driving pulley set, a horizontal supporting guide rail pair is disposed in the accommodating space in parallel to the horizontal synchronous belt set, the horizontal moving table 231 is mounted on the horizontal supporting guide rail pair, and the horizontal moving table 231 is connected with the horizontal synchronous belt set through a driving connecting block.

The working principle is as follows:

when the preheating oven is used, the oven feeding translation module pushes the preheating oven assembly out of the feeding area; a feeding robot places the bare lithium battery cell on the feeding transmission line on a heating plate of the preheating oven assembly; after the preheating oven assembly is fed, the preheating oven assembly is pulled back to the preheating area by the feeding translation module of the feeding oven; the pressurizing plate moves downwards under the action of the pressurizing cylinder, and the pressurizing plate and the heating plate start to pressurize and heat the bare lithium battery cell; after preheating is finished, the pressurizing plate moves upwards under the action of the pressurizing cylinder; the oven feeding translation module pulls out the preheating oven assembly to the discharging area; the blanking robot places the preheated bare lithium battery cell on a blanking transmission line; and (5) feeding again after the blanking is finished, and circulating.

The invention has the beneficial effects that:

1. the six-axis robot is adopted for carrying out the feeding and discharging clamping operation, so that the flexibility is high, the maintenance is convenient, and the feeding and discharging speed is high;

2. the preheating device is provided with the oven translation modules at the feeding end and the discharging end respectively, so that the working efficiency of the preheating device is further improved;

3. preheating device is equipped with the increased pressure board, further shortens the preheating rate of the naked electric core of lithium cell, and work efficiency is faster.

4. The invention has simple integral structure, easy realization of automatic work and high production efficiency.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

The invention is described above with reference to the accompanying drawings, which are illustrative, and it is obvious that the implementation of the invention is not limited in the above manner, and it is within the scope of the invention to adopt various modifications of the inventive method concept and technical solution, or to apply the inventive concept and technical solution to other fields without modification.