阅读说明：本技术 一种大型多功能三维数控雕刻机 (Large-scale multi-functional three-dimensional numerical control engraver ) 是由 张天雄 姜统飞 于 2021-08-27 设计创作，主要内容包括：本发明公开了一种大型多功能三维数控雕刻机,其包括雕刻模块,所述雕刻模块包括平台、滑轨和雕刻件,所述滑轨安装在平台上,雕刻件活动安装在滑轨上；以及,锁定模块,所述锁定模块包括滑块、卡合件和电磁块,所述滑块安装在滑轨上,卡合件安装在滑块上并与所述雕刻件活动连接,所述电磁块滑动安装在滑轨上并与所述卡合件配合；本发明可以将雕刻模具拆卸连接,便于维修替换,采用电力电子控制的方法准确定位雕刻点,可以控制雕刻模具的稳定性,减少人工操作时的误差,雕刻更加精准,效率高。(The invention discloses a large-scale multifunctional three-dimensional numerical control engraving machine which comprises an engraving module, wherein the engraving module comprises a platform, a slide rail and an engraving part, the slide rail is arranged on the platform, and the engraving part is movably arranged on the slide rail; the locking module comprises a sliding block, a clamping piece and an electromagnetic block, the sliding block is arranged on the sliding rail, the clamping piece is arranged on the sliding block and movably connected with the carving piece, and the electromagnetic block is arranged on the sliding rail in a sliding mode and matched with the clamping piece; the invention can disassemble and connect the engraving mould, is convenient for maintenance and replacement, accurately positions the engraving point by adopting a power electronic control method, can control the stability of the engraving mould, reduces the error in manual operation, and has more accurate engraving and high efficiency.)

1. The utility model provides a large-scale multi-functional three-dimensional numerical control engraver which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the carving module (100) comprises a platform (101), a sliding rail (102) and a carving piece (103), wherein the sliding rail (102) is mounted on the platform (101), and the carving piece (103) is movably mounted on the sliding rail (102); and the number of the first and second groups,

the locking module (200) comprises a sliding block (201), a clamping piece (202) and an electromagnetic block (203), the sliding block (201) is installed on the sliding rail (102), the clamping piece (202) is installed on the sliding block (201) and movably connected with the carving piece (103), and the electromagnetic block (203) is installed on the sliding rail (102) in a sliding mode and matched with the clamping piece (202).

2. The large multifunctional three-dimensional numerical control engraving machine of claim 1, wherein: the sliding rail (102) comprises a left supporting rail (102a), a right supporting rail (102b) and a transverse rail (102c), one end of the transverse rail (102c) is connected with the left supporting rail (102a), and the other end of the transverse rail (102c) is connected with the right supporting rail (102 b);

the platform (101) both sides set up horizontal groove (101a), left side support rail (102a) and right side support rail (102b) all inlay in horizontal groove (101 a).

3. The large multifunctional three-dimensional numerical control engraving machine of claim 1, wherein: the top of the sliding rail (102) is provided with a sliding groove (102a), the bottom of the sliding rail (102) is provided with a containing groove (102b), the top of the containing groove (102b) is provided with an embedding groove (102c), the sliding block (201) is embedded in the sliding groove (102a), the electromagnetic block (203) is located in the containing groove (102b), and the top of the electromagnetic block (203) is embedded in the embedding groove (102 c).

4. The large multifunctional three-dimensional numerical control engraving machine according to claim 1 or 3, characterized in that: a plurality of clamping grooves (102d) are arranged on the slide rail (102), the clamping grooves (102d) are communicated with the accommodating grooves (102b) in a penetrating mode, the clamping piece (202) is connected with the slide block (201), the clamping piece (202) is located on one surface, far away from the accommodating groove (102b), of the slide rail (102), and the clamping piece (202) penetrates through the clamping grooves (102d) to be matched with the electromagnetic block (203).

5. The large multifunctional three-dimensional numerical control engraving machine of claim 4, wherein: the fastener (202) includes connecting plate (202a), commentaries on classics board (202b) and card axle (202c), connecting plate (202a) one end with commentaries on classics board (202b) are articulated and the articulated department of connecting plate (202a) and commentaries on classics board (202b) passes through torsional spring elastic connection, and slider (201) top sets up recess (201a), connecting plate (202a) stretch into in recess (201a) and the both sides of connecting plate (202a) are articulated with recess (201a) both sides, and board (202b) are changeed in perpendicular connection of card axle (202c) one end, and the other end sets up towards electromagnetism piece (203) direction.

6. The large multifunctional three-dimensional numerical control engraving machine of claim 5, wherein: the rotating plate (202b) is provided with a connecting frame (202b-1), one end of the clamping shaft (202c) is vertically embedded into the connecting frame (202b-1), and two side walls of the connecting frame (202b-1) are elastically connected with the clamping shaft (202 c).

7. The large multifunctional three-dimensional numerical control engraving machine according to claim 1 or 2, characterized in that: the carving piece (103) comprises an installation block (103a), a carving shaft (103b) and clamping blocks (103c), the carving shaft (103b) is arranged on the installation block (103a) in a sliding mode, a fixing block (103a-1) is vertically arranged on the installation block (103a), the fixing block (103a-1) is connected onto the connecting plate (202a), and the clamping blocks (103c) are symmetrically arranged on two sides of the fixing block (103a-1) and are connected with the connecting plate (202a) in a clamping mode.

8. The large multifunctional three-dimensional numerical control engraving machine of claim 7, wherein: the bottom of the fixing block (103a-1) is provided with a limiting groove (103a-2), the top of the connecting plate (202a) is provided with a limiting strip (202a-1), and the limiting strip (202a-1) is embedded into the limiting groove (103 a-2);

the mounting block (103a) is provided with a vertical groove (103a-3), and the carving shaft (103b) is embedded into the vertical groove (103a-3) and is connected in a sliding manner.

9. The large multifunctional three-dimensional numerical control engraving machine of claim 7, wherein: two sides of the fixed block (103a-1) are provided with square grooves (103a-4), the clamping block (103c) is positioned in the square grooves (103a-4), two sides of the clamping block (103c) are hinged with the side walls of the square grooves (103a-4), the bottom of the connecting plate (202a) is provided with a fixed groove (202a-2), the bottom of the clamping block (103c) is provided with a barb (103c-1), and the barb (103c-1) crosses the bottom of the connecting plate (202a) and is matched with the fixed groove (202 a-2);

one surface of the mounting block (103a) facing the rotating plate (202b) is provided with a placing groove (103a-5), and the rotating plate (202b) can be accommodated in the placing groove (103 a-5).

10. The large multifunctional three-dimensional numerical control engraving machine of claim 9, wherein: the bottom of the connecting plate (202a) is connected with the top of the transverse rail (102c) through a first elastic piece (A), and the clamping block (103c) is connected with the end wall of the square groove (103a-4) through a second elastic piece (B);

an extension plate (201b) is vertically arranged on the sliding block (201), a square block (201c) is arranged at the other end of the extension plate (201b), and the bottom of the square block (201c) is fixedly connected with an electromagnetic block (203).

Technical Field

The invention relates to the technical field of engraving, in particular to a large-scale multifunctional three-dimensional numerical control engraving machine.

Background

The stone carving belongs to the category of sculpture, is a modeling art form reflecting social life, and has memorial and symbolic significance. At present, a large engraving machine does not cut the redundant volume material outside the blank into blocks for reuse, only polishes the redundant volume material into powder to enable the powder to fall off, so that the material and the time are wasted, and the environment friendliness is affected by the polished dust. At present, a manual processing method is still adopted for large and huge stone carving, and workers use an electric circular saw for blanking and then use tools such as axes, hammers and chisels for finish machining. When the giant stone carving is processed, workers set up scaffolds on the periphery of the stone carving, and several or more than ten workers process different parts of the stone carving on the scaffolds simultaneously. The processing field is often full of dust, the noise of electric circular saw is huge, and workman's intensity of labour is very big moreover, and these factors all cause serious influence to workman's physical and mental health, are the dual waste of manpower and materials moreover, and in addition, machining efficiency is low, the cost of labor is high, has restricted manufacturing enterprise development.

Disclosure of Invention

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.

Therefore, the technical problems to be solved by the invention are that the traditional manual carving technology is time-consuming and labor-consuming, the precision is too low, and carving machines on the market are heavy and have low automation degree and mainly depend on manual operation.

In order to solve the technical problems, the invention provides the following technical scheme: a large multifunctional three-dimensional numerical control engraving machine comprises an engraving module, wherein the engraving module comprises a platform, a slide rail and an engraving part, the slide rail is arranged on the platform, and the engraving part is movably arranged on the slide rail; and the locking module comprises a sliding block, a clamping piece and an electromagnetic block, the sliding block is arranged on the sliding rail, the clamping piece is arranged on the sliding block and movably connected with the carving piece, and the electromagnetic block is arranged on the sliding rail in a sliding manner and matched with the clamping piece.

As a preferred scheme of the large multifunctional three-dimensional numerical control engraving machine, the invention comprises the following steps: the sliding rail comprises a left supporting rail, a right supporting rail and a transverse rail, wherein one end of the transverse rail is connected with the left supporting rail, and the other end of the transverse rail is connected with the right supporting rail; the platform both sides set up the transverse groove, left side support rail and right branch support rail all inlay in the transverse groove.

As a preferred scheme of the large multifunctional three-dimensional numerical control engraving machine, the invention comprises the following steps: the slide rail top sets up the spout, and the slide rail bottom sets up and holds the groove, it sets up the caulking groove to hold the groove top, the slider inlays in the spout, and the electromagnetism piece is arranged in holding the groove and electromagnetism piece top inlays in the caulking groove.

As a preferred scheme of the large multifunctional three-dimensional numerical control engraving machine, the invention comprises the following steps: the electromagnetic block is characterized in that a plurality of clamping grooves are arranged on the slide rail and are communicated with the containing groove in a penetrating mode, the clamping piece is connected with the slide block and is located on one surface, far away from the containing groove, of the slide rail, and the clamping piece penetrates through the clamping grooves to be matched with the electromagnetic block.

As a preferred scheme of the large multifunctional three-dimensional numerical control engraving machine, the invention comprises the following steps: the fastener includes connecting plate, commentaries on classics board and card axle, connecting plate one end with the commentaries on classics board is articulated and the articulated department of connecting plate and commentaries on classics board passes through torsional spring elastic connection, and the slider top sets up the recess, the connecting plate stretches into in the recess and the both sides of connecting plate are articulated with the recess both sides, and the commentaries on classics board is connected perpendicularly to card axle one end, and the other end sets up towards the electromagnetism piece direction.

As a preferred scheme of the large multifunctional three-dimensional numerical control engraving machine, the invention comprises the following steps: the rotary plate is provided with a connecting frame, one end of the clamping shaft is vertically embedded into the connecting frame, and two side walls of the connecting frame are elastically connected with the clamping shaft.

As a preferred scheme of the large multifunctional three-dimensional numerical control engraving machine, the invention comprises the following steps: the carving piece comprises an installation block, a carving shaft and a clamping block, the carving shaft is arranged on the installation block in a sliding mode, a fixing block is vertically arranged on the installation block, the fixing block is connected onto the connecting plate, and the clamping block is symmetrically arranged on two sides of the fixing block and connected with the connecting plate in a clamping mode.

As a preferred scheme of the large multifunctional three-dimensional numerical control engraving machine, the invention comprises the following steps: the bottom of the fixed block is provided with a limiting groove, the top of the connecting plate is provided with a limiting strip, and the limiting strip is embedded into the limiting groove; the mounting block is provided with a vertical groove, and the carving shaft is embedded in the vertical groove and is in sliding connection.

As a preferred scheme of the large multifunctional three-dimensional numerical control engraving machine, the invention comprises the following steps: square grooves are formed in two sides of the fixed block, the clamping block is located in the square grooves, two sides of the clamping block are hinged to the side walls of the square grooves, a fixed groove is formed in the bottom of the connecting plate, an inverted hook is arranged at the bottom of the clamping block, and the inverted hook crosses the bottom of the connecting plate and is matched with the fixed groove; the installation piece sets up the resettlement groove towards the one side of changeing the board, changes the board and can hold in the resettlement groove.

As a preferred scheme of the large multifunctional three-dimensional numerical control engraving machine, the invention comprises the following steps: the bottom of the connecting plate is connected with the top of the transverse rail through a first elastic piece, and the clamping block is connected with the end wall of the square groove through a second elastic piece; an extension plate is vertically arranged on the sliding block, a square block is arranged at the other end of the extension plate, and the bottom of the square block is fixedly connected with an electromagnetic block.

The invention has the beneficial effects that: the invention can disassemble and connect the engraving mould, is convenient for maintenance and replacement, accurately positions the engraving point by adopting a power electronic control method, can control the stability of the engraving mould, reduces the error in manual operation, and has more accurate engraving and high efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:

fig. 1 is a view showing the construction of an engraving block in the first embodiment.

Fig. 2 is a structure diagram of the slide rail in the first and second embodiments.

Fig. 3 is a structural view and an installation view of a lock module in the first and second embodiments.

Fig. 4 is a circuit diagram of a second embodiment.

Fig. 5 is an exploded view of the carving and the engaging member in the second embodiment.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 to 3, a first embodiment of the invention provides a large-scale multifunctional three-dimensional numerical control engraving machine, which comprises an engraving module 100 and a locking module 200.

The engraving module 100 comprises a platform 101, a slide rail 102 and an engraving member 103, wherein the slide rail 102 is mounted on the platform 101, and the engraving member 103 is movably mounted on the slide rail 102.

The locking module 200 comprises a sliding block 201, a clamping piece 202 and an electromagnetic block 203, wherein the sliding block 201 is installed on the sliding rail 102, the clamping piece 202 is installed on the sliding block 201 and movably connected with the carving piece 103, and the electromagnetic block 203 is installed on the sliding rail 102 in a sliding mode and matched with the clamping piece 202. Specifically, the rail 102 includes a left support rail 102a, a right support rail 102b and a transverse rail 102c, one end of the transverse rail 102c is connected to the left support rail 102a, the other end of the transverse rail is connected to the right support rail 102b, transverse grooves 101a are formed on two sides of the platform 101, the left support rail 102a and the right support rail 102b are both embedded in the transverse grooves 101a and can slide along the transverse grooves 101a, a motor can be arranged on two sides of the platform 101 to drive a lead screw to pass through the left support rail 102a and the right support rail 102b, the lead screw can drive the slide rail 102 to move forward and backward by rotation, the transverse rail 102c is erected above the platform 101, and the engraving member 103 is mounted on the transverse rail 102c and can move transversely on the transverse rail 102c for positioning a workpiece placed on the platform 101.

Further, a sliding groove 102a is formed in the top of the sliding rail 102, the sliding groove 102a is transversely arranged along the sliding rail 102, a containing groove 102b is formed in the bottom of the sliding rail 102, the containing groove 102b is also transversely arranged along the sliding rail 102, a caulking groove 102c is formed in the top of the containing groove 102b, the slider 201 is embedded in the sliding groove 102a, the electromagnetic block 203 is located in the containing groove 102b, the top of the electromagnetic block 203 is embedded in the caulking groove 102c, and the electromagnetic block 203 can transversely move along the sliding rail 102 in the containing groove 102 b.

The one side horizontal arrangement that is relative with holding groove 102b on slide rail 102 sets up a plurality of draw-in grooves 102d, draw-in groove 102d and hold groove 102b and run through the intercommunication, fastener 202 link block 201 and fastener 202 are located slide rail 102 and for keeping away from the one side of holding groove 102b, fastener 202 can pass draw-in groove 102d and electromagnetic block 203 cooperation, specifically, sculpture 103 can be dismantled and install on fastener 202 and be connected with fastener 202, electromagnetic block 203 circular telegram can attract fastener 202 to pass draw-in groove 102d and carry out spacingly, prevent that sculpture 103 from continuing lateral motion.

Example 2

Referring to fig. 2 to 5, a second embodiment of the present invention is based on the previous embodiment, and the engaging member 202 includes a connecting plate 202a, a rotating plate 202b and a shaft 202 c.

One end of the connecting plate 202a is hinged to the rotating plate 202b, the hinged position of the connecting plate 202a and the rotating plate 202b is elastically connected through a torsion spring, the top of the sliding block 201 is provided with a groove 201a, the connecting plate 202a extends into the groove 201a, two sides of the connecting plate 202a are hinged to two sides of the groove 201a, one end of the clamping shaft 202c is vertically connected with the rotating plate 202b, and the other end of the clamping shaft is arranged towards the direction of the electromagnetic block 203.

Further, the rotating plate 202b is provided with a connecting frame 202b-1, one end of the card shaft 202c is vertically embedded in the connecting frame 202b-1, and two side walls of the connecting frame 202b-1 are elastically connected with the card shaft 202 c. The elastic connection can ensure that the card shaft 202c can transversely move for a certain distance in the connecting frame 202b-1, and ensure that the card shaft 202c can be correspondingly limited with the card slot 102 d. Specifically, the connection of the card shaft 202c in the connection frame 202b-1 may use a conventional T-shaped slot and T-shaped block structure, which correspond to each other to ensure that the card shaft 202c does not fall off in the connection frame 202 b-1.

The bottom of the connecting plate 202a is connected with the top of the cross rail 102c through a first elastic piece A, the connecting plate 202a is jacked up by the first elastic piece A under a normal state, meanwhile, the rotating plate 202b is connected with the connecting plate 202a at a certain angle, the rotating plate 202b is located in front of the sliding rail 102, the rotating plate 202b tilts towards the clamping groove 102d under the action of strong torsion of a torsion spring, at the moment, the clamping shaft 202c extends into the clamping groove 102d to be matched, the connecting plate 202a and the sliding block 201 are limited and cannot move together, after the carving piece 103 is installed on the connecting plate 202a, the connecting plate 202a is pressed down by the carving piece 103, meanwhile, the rotating plate 202b is jacked up under the action of the strong torsion of the torsion spring, the clamping shaft 202c is separated from the clamping groove 102d, and the connecting plate 202a can move together with the sliding block 201.

Further, the carving element 103 comprises a mounting block 103a, a carving shaft 103b and a clamping block 103c, the carving shaft 103b is slidably arranged on the mounting block 103a, a fixing block 103a-1 is vertically arranged on the mounting block 103a, the fixing block 103a-1 is connected to the connecting plate 202a, and the clamping block 103c is symmetrically arranged on two sides of the fixing block 103a-1 and is connected with the connecting plate 202a in a clamping manner. Specifically, the bottom of the fixing block 103a-1 is provided with a limiting groove 103a-2, the top of the connecting plate 202a is provided with a limiting bar 202a-1, the limiting bar 202a-1 is embedded into the limiting groove 103a-2, the mounting block 103a is provided with a vertical groove 103a-3, and the carving shaft 103b is embedded into the vertical groove 103a-3 and is in sliding connection.

The scanner 301 is arranged at the bottom of the mounting block 103a, the scanner 301 is connected with the controller 302, the controller 302 is connected with the base electrode of the triode 303, the collector electrode of the triode 303 is connected with a power supply end through an inductor, and the emitter electrode of the triode 303 is connected with the electromagnetic block 203.

Can set up the setpoint with the work piece by the processing on the computer through the computer, scanner 301 follows sculpture 103 and removes, trigger signal transmits to controller 302 when scanning the setpoint, controller 302 triggers the base of triode 303, the collecting electrode and the projecting pole of triode 303 switch on this moment, power circulation triode 303 to electromagnetic block 203, electromagnetic block 203 gets the electromagnetism and attracts card axle 202c, rotating plate 202b follows card axle 202c and rotates certain angle in the lump, card axle 202c is blocked in the draw-in groove 102d with whole sculpture 103 spacing, after electromagnetic block 203 loses electricity, rotating plate 202b kick-backs under the effect of torsional spring, card axle 202c and draw-in groove 102d remove the cooperation.

Furthermore, square grooves 103a-4 are formed in two sides of the fixing block 103a-1, the clamping block 103c is located in the square grooves 103a-4, two sides of the clamping block 103c are hinged to side walls of the square grooves 103a-4, the fixing groove 202a-2 is formed in the bottom of the connecting plate 202a, the barb 103c-1 is formed in the bottom of the clamping block 103c, and the barb 103c-1 crosses the bottom of the connecting plate 202a and is matched with the fixing groove 202 a-2.

The installation block 103a is provided with a placement groove 103a-5 on one surface facing the rotating plate 202B, the rotating plate 202B can be accommodated in the placement groove 103a-5, the clamping block 103c is connected with the end wall of the fixing groove 202a-2 through a second elastic element B, the carving element 103 is installed in front of the connecting plate 202a to open the clamping block 103c, the clamping block 103c is loosened after installation, and the barb 103c-1 at the bottom of the clamping block 103c is clamped into the fixing groove 202a-2 to fixedly connect the carving element 103 and the clamping element 202.

The slider 201 is vertically provided with an extension plate 201b, the other end of the extension plate 201b is provided with a square 201c, and the bottom of the square 201c is fixedly connected with an electromagnetic block 203, so that when the carving piece 103 and the clamping piece 202 move, the electromagnetic block 203 moves together with the carving piece 103 and the clamping piece 202.

The action process is as follows: firstly, the clamping block 103c is opened, the limiting groove 103a-2 at the bottom of the fixing block 103a-1 is aligned with the limiting strip 202a-1, the fixing block 103a-1 is installed on the connecting plate 202a, the clamping block 103c is loosened, the barb 103c-1 at the bottom of the clamping block 103c is clamped into the fixing groove 202a-2, then the sliding block 201 is driven to slide, meanwhile, the scanner 301 scans, when scanning is consistent with a point positioned on a computer, a triggering signal is transmitted to the controller 302, the controller 302 triggers the base electrode of the triode 303, at the moment, the collector electrode and the emitter electrode of the triode 303 are conducted, a power supply flows through the triode 303 to the electromagnetic block 203, the electromagnetic block 203 is electrified to generate magnetism to attract the clamping shaft 202c, the rotating plate 202b rotates for a certain angle along with the clamping shaft 202c, the clamping shaft 202c is clamped into the clamping groove 102d to limit the whole carving piece 103, the rotating plate 202b is rebounded under the action of a torsion spring after the electromagnetic block 203 is electrified, the latch shaft 202c and the latch slot 102d are disengaged.

It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.

It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.