阅读说明：本技术 一种自动化高线小棒用存放装置及其使用方法 (Automatic storage device for high-speed wire rods and using method of automatic storage device ) 是由 刘宗文 王占熬 李文鹏 魏星 程伟 陶亮 刘晓鸥 于 2021-09-17 设计创作，主要内容包括：本发明公开了一种自动化高线小棒用存放装置及其使用方法,包括第一U型板,所述第一U型板的内部滑动连接有竖直板,所述第一U型板的内部且位于竖直板的一侧设置有推动机构,所述竖直板顶部的一侧固定连接有两个第一横杆,所述竖直板底部的一侧固定连接有两个第二横杆,所述第一横杆与第二横杆之间等距固定连接有存放板,所述存放板的内部开设有存放槽,本发明结构紧凑,操作简单便捷,实用性强,通过设置带有下料板的存放板,能够对高线小棒进行整齐的存放,同时能够在需要对其进行后续加工处理时,逐一的对其进行下料操作,无需人工进行操作,不仅降低了操作人员的工作量,而且还提高了对高线小棒的加工效率,有利于实际的应用与操作。(The invention discloses an automatic storage device for high-speed wire rods and a use method thereof, and the storage device comprises a first U-shaped plate, wherein a vertical plate is connected inside the first U-shaped plate in a sliding manner, a pushing mechanism is arranged inside the first U-shaped plate and on one side of the vertical plate, two first cross rods are fixedly connected on one side of the top of the vertical plate, two second cross rods are fixedly connected on one side of the bottom of the vertical plate, a storage plate is fixedly connected between the first cross rods and the second cross rods at equal intervals, and a storage groove is formed in the storage plate. But also improves the processing efficiency of the high-speed wire small rod, and is beneficial to practical application and operation.)

1. The automatic storage device for the high-speed wire rods comprises a first U-shaped plate (1) and is characterized in that the inside of the first U-shaped plate (1) is connected with a vertical plate (2) in a sliding mode, a pushing mechanism (14) is arranged inside the first U-shaped plate (1) and on one side of the vertical plate (2), two first cross rods (3) are fixedly connected to one side of the top of the vertical plate (2), two second cross rods (4) are fixedly connected to one side of the bottom of the vertical plate (2), a storage plate (5) is fixedly connected between the first cross rods (3) and the second cross rods (4) at equal intervals, a storage groove (6) is formed in the storage plate (5), a second U-shaped plate (7) is fixedly connected to the bottom of the storage plate (5), a rotating shaft (8) is rotatably connected to the inside of the second U-shaped plate (7) and below the storage plate (5), flitch (9) under the equal fixedly connected with in both ends in axis of rotation (8) outside, silo (10) have all been seted up down at the top of flitch (9) down, the both ends of axis of rotation (8) all extend to the outside of second U template (7), the both ends of axis of rotation (8) and the equal fixedly connected with rotor plate (11) in the outside that is located second U template (7), the equal fixedly connected with fixed plate (12) in both ends of second U template (7) bottom, two one side that fixed plate (12) kept away from mutually all rotates and is connected with electric telescopic handle (13), the piston rod of electric telescopic handle (13) all rotates with the outside of rotor plate (11) that corresponds and is connected, the bottom of first U template (1) is provided with conveying mechanism (15).

2. The automatic storage device for high-speed wire rods according to claim 1, wherein the pushing mechanism (14) comprises a first servo motor (141), one end of the top of the first U-shaped plate (1) is fixedly provided with the first servo motor (141), a bidirectional screw rod (142) is rotatably connected inside the first U-shaped plate (1) and right below the first servo motor (141), an output shaft of the first servo motor (141) extends to the inside of the first U-shaped plate (1) and is fixedly connected with the top of the bidirectional screw rod (142), the top and bottom outer sides of the bidirectional screw rod (142) are respectively in threaded connection with a sliding block (143), the sliding blocks (143) are respectively in sliding connection with the inner wall of the first U-shaped plate (1), the outer sides of the sliding blocks (143) are respectively and rotatably connected with a pushing rod (144), one side of the vertical plate (2) close to the bidirectional screw rod (142) is fixedly connected with a fixed block (145), one end of the push rod (144) far away from the sliding block (143) is rotatably connected with the outer side of the fixed block (145).

3. The automatic storage device for the high-speed wire rods according to claim 2, wherein the conveying mechanism (15) comprises first mounting plates (151), two first mounting plates (151) are fixedly connected to one end, away from the first servo motor (141), of the bottom of the first U-shaped plate (1), a driving wheel (152) is rotatably connected between the two first mounting plates (151), a second servo motor (153) is fixedly mounted on the outer side of one first mounting plate (151), an output shaft of the second servo motor (153) penetrates through the corresponding first mounting plate (151) and is fixedly connected with the driving wheel (152), an L-shaped plate (154) is fixedly connected to the bottom of the first U-shaped plate (1), two second mounting plates (156) are fixedly connected to one end, away from the first U-shaped plate (1), of the top of the L-shaped plate (154), a driven wheel (157) is rotatably connected between the two second mounting plates (156), and the driven wheel (157) is in transmission connection with the driving wheel (152) through a conveying belt (158).

4. An automated storage device for high-speed wire rods according to claim 1, characterized in that an X-shaped fixing rod (16) is fixedly connected between the bottom of the first cross bar (3) and the top of the corresponding second cross bar (4).

5. The automatic storage device for high-speed wire rods as claimed in claim 1, wherein the outer part of the blanking plate (9) and one side of the blanking groove (10) are both provided with an arc-shaped structure.

6. The automatic change strorage device for high-speed wire rodlet of claim 1, characterized in that, the top and the bottom of first U template (1) inner wall all seted up spacing groove (17), the top and the bottom of vertical board (2) all fixedly connected with stopper (18), stopper (18) extend to the inside of corresponding spacing groove (17) and with spacing groove (17) sliding connection.

7. The automatic storage device for high-speed wire rods according to claim 3, wherein a control panel (19) is fixedly mounted on one side, away from the bidirectional screw rod (142), of the bottom of the first U-shaped plate (1), and the electric telescopic rod (13), the first servo motor (141) and the second servo motor (153) are electrically connected with the control panel (19).

8. An automated storage device for high-speed wire rods according to claim 3, characterized in that a reinforcing plate (155) with a triangular structure is fixedly connected between the bottom of the first U-shaped plate (1) and the outer side of the L-shaped plate (154).

9. Use of an automated storage device for high-speed wire rods according to any one of claims 1 to 8, characterized in that it comprises the following steps:

s1, placing the device on the designated cart, fixing it, then powering on the device, when high-speed wire small rods need to be stored, the first servo motor (141) is controlled to work through the control panel (19) to drive the bidirectional screw rod (142) to rotate, thereby driving the two sliding blocks (143) to move, simultaneously pushing the vertical plate (2) to move in the first U-shaped plate (1) through the matching between the push rod (144) and the fixed block (145), thereby changing the position of the storage plate (5) to extend out of the first U-shaped plate (1), then, high-line bars to be stored are sequentially placed into the storage groove (6) at the top of the storage plate (5), and the low-line bars at the bottommost layer enter the discharging groove (10), so that the high-line bars are stored orderly;

s2, after the placement is finished, the trolley pushing equipment moves in and moves to the station of the subsequent processing step, then the operation is repeated, the storage plate (5) needing blanking operation is controlled to move, the storage plate is moved to be right above the conveying belt (158), then the control panel (19) controls the electric telescopic rod (13) to work, the corresponding rotating plate (11) and the rotating shaft (8) are driven to rotate, the blanking plate (9) is driven to rotate, the high-line small rods in the blanking groove (10) are driven to carry out blanking operation, meanwhile, other high-line small rods in the storage plate (5) are abutted through the arc-shaped structure on the outer side of the blanking plate (9), after the blanking of the high-line is finished, the blanking plate (9) is driven to return through the electric telescopic rod (13), at the moment, the small rods at the bottommost layer fall into the blanking groove (10) under the action of gravity, then the operations are continuously repeated to finish continuous one-by-one blanking operation;

s3, the high-speed wire rods falling at the same time fall on the top of the conveying belt (158), then the second servo motor (153) is controlled to work through the control panel (19), the driving wheel (152) is driven to rotate, and meanwhile the driven wheel (157) is driven to rotate through the action of the conveying belt (158), so that the high-speed wire rods falling on the conveying belt (158) are conveyed and conveyed to a subsequent processing station.

Technical Field

The invention belongs to the technical field of high-speed wire small rod processing, and particularly relates to an automatic storage device for high-speed wire small rods and a using method thereof.

Background

In the existing life, the high-speed wire rods are common materials in factories, and when the high-speed wire rods are processed in general factories, the high-speed wire rods are often required to be stored for a short time by using a storage device and then moved to a specified position, and then are subjected to subsequent processing operation.

However, most of the existing storage devices for the high-speed wire small rods only have a storage function, and only the high-speed wire small rods needing to be processed can be simply transported, the stored high-speed wire small rods cannot be subjected to automatic blanking operation, and the high-speed wire small rods are manually transported to a subsequent processing position one by one from the storage devices, so that the workload of operators is increased, the processing efficiency of the high-speed wire small rods is reduced, and the actual application and operation are not facilitated.

The invention content is as follows:

the present invention is directed to solving the above problems by providing an automated storage device for high-speed wire rods and a method for using the same, which solves the problems mentioned in the background art.

In order to solve the above problems, the present invention provides a technical solution:

a storage device for automatic high-speed wire rods comprises a first U-shaped plate, wherein a vertical plate is connected to the inside of the first U-shaped plate in a sliding mode, a pushing mechanism is arranged inside the first U-shaped plate and located on one side of the vertical plate, two first cross rods are fixedly connected to one side of the top of the vertical plate, two second cross rods are fixedly connected to one side of the bottom of the vertical plate, a storage plate is fixedly connected between the first cross rods and the second cross rods in an equidistant mode, a storage groove is formed in the storage plate, a second U-shaped plate is fixedly connected to the bottom of the storage plate, a rotating shaft is rotatably connected to the inside of the second U-shaped plate and located below the storage plate, blanking plates are fixedly connected to two ends of the outer side of the rotating shaft, blanking grooves are formed in the tops of the blanking plates, and two ends of the rotating shaft extend to the outer side of the second U-shaped plate, the both ends of axis of rotation just are located the equal fixedly connected with rotor plate in the outside of second U template, the equal fixedly connected with fixed plate in both ends of second U template bottom, two one side that the fixed plate kept away from mutually all rotates and is connected with electric telescopic handle, electric telescopic handle's piston rod all rotates with the outside of the rotor plate that corresponds to be connected, the bottom of first U template is provided with conveying mechanism.

Preferably, pushing mechanism includes a servo motor, the one end fixed mounting at first U template top has a servo motor, the inside of first U template just is located first servo motor and rotates under and is connected with two-way lead screw, first servo motor's output shaft extend to the inside of first U template and with the top fixed connection of two-way lead screw, the equal threaded connection in the outside with the bottom at two-way lead screw top has the slider, the slider all with the inner wall sliding connection of first U template, the outside of slider all rotates and is connected with the catch bar, one side fixedly connected with fixed block that vertical board is close to two-way lead screw, the one end that the slider was kept away from to the catch bar all rotates with the outside of fixed block and is connected.

Preferably, conveying mechanism includes first mounting panel, two first mounting panels of one end fixedly connected with of first servo motor are kept away from to the bottom of first U template, two rotate between the first mounting panel and be connected with the action wheel, one of them the outside fixed mounting of first mounting panel has second servo motor, second servo motor's output shaft run through corresponding first mounting panel and with action wheel fixed connection, the bottom fixedly connected with L template of first U template, two second mounting panels of one end fixedly connected with of first U template are kept away from at the top of L template, two rotate between the second mounting panel and be connected with from the driving wheel, be connected through the conveyor belt transmission between follow driving wheel and the action wheel.

Preferably, an X-shaped fixing rod is fixedly connected between the bottom of each first cross rod and the top of the corresponding second cross rod.

Preferably, the outer part of the blanking plate and one side of the blanking groove are both provided with arc-shaped structures.

Preferably, the top and the bottom of the inner wall of the first U-shaped plate are both provided with a limiting groove, the top and the bottom of the vertical plate are both fixedly connected with limiting blocks, and the limiting blocks extend to the inside of the corresponding limiting grooves and are in sliding connection with the limiting grooves.

Preferably, a control panel is fixedly mounted on one side, away from the bidirectional screw rod, of the bottom of the first U-shaped plate, and the electric telescopic rod, the first servo motor and the second servo motor are electrically connected with the control panel.

Preferably, a reinforcing plate with a triangular structure is fixedly connected between the bottom of the first U-shaped plate and the outer side of the L-shaped plate.

The use method of the automatic storage device for the high-speed wire rods comprises the following steps:

s1, placing the equipment on a specified trolley, fixing the trolley, electrifying the equipment, and when high-speed wire rods need to be stored, firstly controlling a first servo motor to work through a control panel to drive a bidirectional screw rod to rotate so as to drive two sliding blocks to move, pushing a vertical plate to move inside a first U-shaped plate through the matching between a pushing rod and a fixed block so as to change the position of the storage plate and extend out of the first U-shaped plate, then sequentially placing the high-speed wire rods needing to be stored from the inside of a storage groove at the top of the storage plate, and enabling the low-speed wire rods at the bottommost layer to enter the inside of a blanking groove so as to finish the orderly storage operation of the high-speed wire rods;

s2, after the placement is finished, the trolley pushes the equipment to move forward, the equipment is moved to a station of the subsequent processing step, then the operations are repeated, the storage plate which needs to be subjected to the blanking operation is controlled to move, so that the storage plate moves to the position right above the conveying belt, then the control panel controls the electric telescopic rod to work to drive the corresponding rotating plate and the rotating shaft to rotate so as to drive the blanking plate to rotate, thereby driving the high-speed wire small rod positioned in the blanking groove to carry out blanking operation, and simultaneously, through the arc-shaped structure at the outer side of the blanking plate, the high-line small rods at the bottom layer fall into the blanking groove under the action of gravity, and then the operations are continuously repeated to finish continuous one-by-one blanking operation;

s3, the high-speed wire rods falling at the same time fall on the top of the conveying belt, then the second servo motor is controlled by the control panel to work, the driving wheel is driven to rotate, and meanwhile, the driven wheel is driven to rotate under the action of the conveying belt, so that the high-speed wire rods falling on the conveying belt are conveyed and conveyed to a subsequent processing station.

The invention has the beneficial effects that: the high-speed wire rod feeding device is compact in structure, simple and convenient to operate and high in practicability, the storage plate with the feeding plate is arranged, high-speed wire rods can be stored orderly, the feeding operation can be performed on the high-speed wire rods one by one when the high-speed wire rods need to be subjected to subsequent processing, manual operation is not needed, the workload of operators is reduced, the processing efficiency of the high-speed wire rods is improved, and practical application and operation are facilitated.

Description of the drawings:

for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the external structure of the storage tray of the present invention;

FIG. 3 is a schematic view of the internal structure of the storage plate according to the present invention;

FIG. 4 is a schematic view of the construction of the blanking plate of the present invention.

In the figure: 1. a first U-shaped plate; 2. a vertical plate; 3. a first cross bar; 4. a second cross bar; 5. a storage plate; 6. a storage tank; 7. a second U-shaped plate; 8. a rotating shaft; 9. a blanking plate; 10. a discharging groove; 11. a rotating plate; 12. a fixing plate; 13. an electric telescopic rod; 14. a pushing mechanism; 141. a first servo motor; 142. a bidirectional screw rod; 143. a slider; 144. a push rod; 145. a fixed block; 15. a conveying mechanism; 151. a first mounting plate; 152. a driving wheel; 153. a second servo motor; 154. an L-shaped plate; 155. a reinforcing plate; 156. a second mounting plate; 157. a driven wheel; 158. a conveyor belt; 16. an X-shaped fixing rod; 17. a limiting groove; 18. a limiting block; 19. a control panel.

The specific implementation mode is as follows:

as shown in fig. 1 to 4, the following technical solutions are adopted in the present embodiment:

example (b):

a storage device for automatic high-speed wire rods comprises a first U-shaped plate 1, wherein a vertical plate 2 is connected to the inside of the first U-shaped plate 1 in a sliding mode, a pushing mechanism 14 is arranged inside the first U-shaped plate 1 and located on one side of the vertical plate 2, two first cross rods 3 are fixedly connected to one side of the top of the vertical plate 2, two second cross rods 4 are fixedly connected to one side of the bottom of the vertical plate 2, storage plates 5 are fixedly connected between the first cross rods 3 and the second cross rods 4 at equal intervals, and the storage plates 5 can be conveniently and better installed and fixed through the matching between the first cross rods 3 and the second cross rods 4; a storage groove 6 is formed in the storage plate 5, and the size of the storage groove 6 is matched with that of a single high-line small rod, so that storage and blanking operations can be completed better; the bottom of the storage plate 5 is fixedly connected with a second U-shaped plate 7, rotating shafts 8 are rotatably connected inside the second U-shaped plates 7 and below the storage plate 5, two ends of the outer side of each rotating shaft 8 are fixedly connected with blanking plates 9, blanking grooves 10 are formed in the tops of the blanking plates 9, the size of each blanking groove 10 is matched with that of a single high-line small rod, and better blanking operation on the single high-line small rod is facilitated through the blanking plates 9 and the blanking grooves 10; both ends of the rotating shaft 8 extend to the outer side of the second U-shaped plate 7, both ends of the rotating shaft 8 and the outer side of the second U-shaped plate 7 are fixedly connected with rotating plates 11, both ends of the bottom of the second U-shaped plate 7 are fixedly connected with fixed plates 12, one sides, far away from the two fixed plates 12, of the two fixed plates are rotatably connected with electric telescopic rods 13, piston rods of the electric telescopic rods 13 are rotatably connected with the outer sides of the corresponding rotating plates 11, and the rotating plates 11 and the rotating shaft 8 are driven to rotate by controlling the electric telescopic rods 13 to work, so that the blanking plates 9 are better driven to rotate; the bottom of the first U-shaped plate 1 is provided with a conveying mechanism 15.

Wherein, the pushing mechanism 14 includes a first servo motor 141, a first servo motor 141 is fixedly installed at one end of the top of the first U-shaped plate 1, a bidirectional screw rod 142 is rotatably connected inside the first U-shaped plate 1 and under the first servo motor 141, an output shaft of the first servo motor 141 extends to the inside of the first U-shaped plate 1 and is fixedly connected with the top of the bidirectional screw rod 142, sliders 143 are respectively and threadedly connected to the top and bottom of the bidirectional screw rod 142, the sliders 143 are respectively and slidably connected to the inner wall of the first U-shaped plate 1, push rods 144 are respectively and rotatably connected to the outer sides of the sliders 143, a fixed block 145 is fixedly connected to one side of the vertical plate 2 close to the bidirectional screw rod 142, one end of each push rod 144 far from the slider 143 is rotatably connected to the outer side of the fixed block 145, and the pushing mechanism 14 is arranged to facilitate better work through the first servo motor 141, drive two-way lead screw 142 and rotate to drive two sliders 143 and remove, through the cooperation between catch bar 144 and the fixed block 145, promote vertical board 2 and remove in the inside of first U template 1, thereby the better completion carries out the purpose that changes to the position of different boards 5 of depositing.

Wherein, conveying mechanism 15 includes first mounting panel 151, the one end fixedly connected with two first mounting panels 151 of first servo motor 141 is kept away from to the bottom of first U template 1, rotate between two first mounting panels 151 and be connected with action wheel 152, one of them the outside fixedly mounted with second servo motor 153 of first mounting panel 151, the output shaft of second servo motor 153 runs through corresponding first mounting panel 151 and with action wheel 152 fixed connection, the bottom fixedly connected with L template 154 of first U template 1, the one end fixedly connected with two second mounting panels 156 of first U template 1 is kept away from to the top of L template 154, rotate between two second mounting panels 156 and be connected with from driving wheel 157, connect through conveying belt 158 transmission between follow driving wheel 157 and the action wheel 152, through setting up conveying mechanism 15, be convenient for better drive action wheel 152 through second servo motor 153 and rotate, through the effect of conveyor belt 158, drive from driving wheel 157 and rotate, and then better carry the high-speed wire rodlet that falls on conveyor belt 158, conveniently carry out follow-up processing operation to it.

Wherein, equal fixedly connected with X type dead lever 16 between the bottom of first horizontal pole 3 and the top of the second horizontal pole 4 that corresponds, through setting up X type dead lever 16, be convenient for better increase the stability of being connected between first horizontal pole 3 and the second horizontal pole 4.

Wherein, flitch 9 outside under and the one side that is located silo 10 all set up to the circular arc type structure, set up the circular arc type structure through the outside at flitch 9 under, be convenient for better utilize circular arc type structure to contradict when flitch 9 pivoted to deposit the inside other height line little stick of 5 under, prevent that the condition of sticking the stick from taking place.

Wherein, spacing groove 17 has all been seted up to the top and the bottom of 1 inner wall of first U template, the top and the equal fixedly connected with stopper 18 in bottom of vertical board 2, stopper 18 extend to the inside of the spacing groove 17 that corresponds and with spacing groove 17 sliding connection, through the cooperation between stopper 18 and the spacing groove 17, be convenient for better carry on spacingly to the removal of vertical board 2.

Wherein, one side fixed mounting that two-way lead screw 142 was kept away from to the bottom of first U template 1 has control panel 19, electric telescopic handle 13, first servo motor 141, second servo motor 153 all with control panel 19 electric connection, be convenient for better control the equipment is whole through control panel 19, make it accomplish automatic unloading operation.

Wherein, fixedly connected with triangle-shaped's reinforcing plate 155 between the bottom of first U template 1 and the outside of L template 154, through the reinforcing plate 155 who sets up triangle-shaped structure, be convenient for better increase L template 154 and the stability of being connected between the first U template 1.

The use method of the automatic storage device for the high-speed wire rods comprises the following steps:

s1, placing the equipment on a specified trolley, fixing the equipment, electrifying the equipment, and when high-speed wire rods need to be stored, firstly controlling the first servo motor 141 to work through the control panel 19 to drive the two-way screw rod 142 to rotate so as to drive the two slide blocks 143 to move, meanwhile, pushing the vertical plate 2 to move in the first U-shaped plate 1 through the matching between the push rod 144 and the fixed block 145 so as to change the position of the storage plate 5 and extend the storage plate to the outer side of the first U-shaped plate 1, then sequentially placing the high-speed wire rods needing to be stored in the storage groove 6 at the top of the storage plate 5, and placing the low-speed wire rods at the bottommost layer into the blanking groove 10 so as to finish the orderly storage operation of the high-speed wire rods;

s2, after the placement is finished, the trolley pushes the equipment to move forward, the equipment is moved to a station of the subsequent processing step, then, the above operations are repeated, the storage plate 5 which needs to be subjected to the blanking operation is controlled to move to the position right above the conveying belt 158, then the control panel 19 controls the electric telescopic rod 13 to work to drive the corresponding rotating plate 11 and the rotating shaft 8 to rotate, thereby driving the blanking plate 9 to rotate, so as to drive the high-speed wire small rod positioned in the blanking groove 10 to carry out blanking operation, and simultaneously, through the arc-shaped structure at the outer side of the blanking plate 9, the high-speed wire rods in the storage plate 5 are abutted, after the feeding is finished, the feeding plate 9 is driven to return through the electric telescopic rod 13, the low-speed wire rods at the bottommost layer fall into the feeding groove 10 under the action of gravity, and then the continuous feeding operation one by one can be finished by continuously repeating the operation;

and S3, dropping the high-speed wire rods on the top of the conveying belt 158 at the same time, controlling the second servo motor 153 to work through the control panel 19, driving the driving wheel 152 to rotate, and driving the driven wheel 157 to rotate through the action of the conveying belt 158, so that the high-speed wire rods dropping on the conveying belt 158 are conveyed and conveyed to a subsequent processing station.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.