阅读说明：本技术 一种玻纤电池隔板收卷切断装置 (Winding and cutting device for glass fiber battery separator ) 是由 徐超 于 2021-08-26 设计创作，主要内容包括：本发明涉及玻纤电池隔板加工附属装置的技术领域,特别是涉及一种玻纤电池隔板收卷切断装置；包括机架和收卷机构,机架上设置有若干导送轴和分切机构；收卷机构包括固定架和伺服电机,固定架的内侧可转动设置有转轴,并在转轴的外侧设置有旋转料架,旋转料架的左端和右端均设置有弧形卡槽,弧形卡槽处活动设置有收卷气涨轴,固定架的前端和后端均设置有导向板,导向板上设置有环形导向孔,导向板的右端设置有与环形导向孔相通的取放口,还包括横移机构、驱动机构、升降机构、压紧机构和切断机构；方便对收卷套进行上下料,上下料过程中无需停机,实现连续生产作业,提高工作效率和使用可靠性。(The invention relates to the technical field of auxiliary devices for processing glass fiber battery separators, in particular to a winding and cutting device for a glass fiber battery separator; the automatic cutting machine comprises a rack and a winding mechanism, wherein a plurality of guide shafts and a cutting mechanism are arranged on the rack; the winding mechanism comprises a fixed frame and a servo motor, a rotating shaft is rotatably arranged on the inner side of the fixed frame, a rotating material frame is arranged on the outer side of the rotating shaft, arc-shaped clamping grooves are formed in the left end and the right end of the rotating material frame respectively, a winding air expansion shaft is movably arranged at each arc-shaped clamping groove, guide plates are arranged at the front end and the rear end of the fixed frame respectively, annular guide holes are formed in the guide plates, and taking and placing ports communicated with the annular guide holes are formed in the right end of each guide plate; the winding sleeve is convenient to feed and discharge, the feeding and discharging process does not need to be stopped, continuous production operation is realized, and the working efficiency and the use reliability are improved.)

1. A winding and cutting device for a glass fiber battery separator comprises a rack (1) and a winding mechanism, wherein a plurality of guide shafts (2) and a cutting mechanism are arranged on the rack (1); the winding mechanism is characterized by comprising a fixing frame (3), wherein a rotating shaft (4) is rotatably arranged on the inner side of the fixing frame (3), a rotating material rack (5) is arranged on the outer side of the rotating shaft (4), a servo motor (6) for driving the rotating shaft (4) to rotate is arranged at the front end of the fixing frame (3), arc-shaped clamping grooves (7) are formed in the left end and the right end of the rotating material rack (5), and a winding air expansion shaft (8) is movably arranged at the arc-shaped clamping grooves (7). The front end and the rear end of the inner side of the fixing frame (3) are both provided with guide plates, annular guide holes (9) are formed in the guide plates, the distance between the arc-shaped clamping grooves (7) and the rotating shaft (4) is equal to the radius of the annular guide holes (9), the right end of each guide plate is provided with a taking and placing opening (10) communicated with the annular guide holes (9), the front end of the inner side of the fixing frame (3) is provided with a transverse moving mechanism, the output end of the transverse moving mechanism is provided with a driving left side driving mechanism for rolling air expansion shafts (8) to rotate, the top of the fixing frame (3) is provided with a lifting mechanism, and the bottom lifting end of the lifting mechanism is provided with a pressing mechanism (11) for compacting a partition coiled material on the rolling air expansion shafts (8) on the left side and a cutting mechanism for cutting off the partition coiled material.

2. The winding and cutting device for the glass fiber battery separator as claimed in claim 1, wherein the guide plate comprises an inner plate (12) and an outer plate (13), the inner plate (12) and the outer plate (13) are fixedly connected with the inner side of the fixing frame (3) through connecting columns, the inner plate (12) is positioned in the middle of the outer plate (13), and the annular guide hole (9) is formed between the inner plate (12) and the outer plate (13).

3. The glass fiber battery separator rolling and cutting device according to claim 1, wherein two sets of limiting rings (14) are fixedly arranged on the outer side of the rolling air expansion shaft (8), the two sets of limiting rings (14) are respectively contacted with the front end and the rear end of a front side baffle of the rotary material rack, and the diameter of the rolling air expansion shaft (8) is matched with the width of the annular guide hole (9).

4. The glass fiber battery separator rolling and cutting device as claimed in claim 1, wherein the traversing mechanism comprises a traversing cylinder (15), a mounting plate (16) is arranged at the output end of the traversing cylinder (15), the driving mechanism comprises a rotating motor (17) arranged on the mounting plate (16) and a driven gear (18) arranged at the front end of the rolling air expansion shaft (8), the output end of the rotating motor (17) is provided with a driving gear (19), and the driving gear (19) is meshed with the driven gear (18).

5. The winding and cutting device for the glass fiber battery separator as claimed in claim 1, wherein the lifting mechanism comprises a lifting cylinder (20), a lifting plate (21) is arranged at the bottom output end of the lifting cylinder (20), a plurality of groups of pressing mechanisms (11) are arranged, and the plurality of groups of pressing mechanisms (11) respectively correspond to a plurality of groups of winding sleeves (22) on the winding air expansion shaft (8).

6. The glass fiber battery separator rolling and cutting device according to claims 1-5, wherein the multiple groups of pressing mechanisms (11) comprise pressing plates (23), two groups of connecting rods (24) and two groups of springs (25), the lifting plate (21) is provided with through holes, the top ends of the two groups of connecting rods (24) penetrate through the two groups of through holes, the top ends of the two groups of connecting rods (24) are provided with limit nuts (26), the bottom ends of the two groups of connecting rods (24) penetrate through the two groups of springs (25) respectively and are connected with the top ends of the pressing plates (23), and the bottom ends of the pressing plates (23) are rotatably provided with pressing wheels (27).

7. The winding and cutting device for the glass fiber battery separator as claimed in claims 1-5, wherein the cutting mechanism comprises a movable cutter (28) mounted at the bottom end of the lifting plate (21) and a fixed cutter (29) mounted on the rotary rack (5) and matched with the movable cutter (28).

8. The glass fiber battery separator rolling and cutting device according to claim 1, wherein the slitting mechanism comprises a slitting motor (30), the slitting motor (30) is installed on the frame (1), a slitting cutter shaft (31) is arranged at the output end of the slitting motor (30), and a plurality of groups of slitting circular cutters (32) are installed on the outer side of the slitting cutter shaft (31).

9. The glass fiber battery separator rolling and cutting device according to claim 1, wherein a dust suction mechanism is arranged at the slitting mechanism, the dust suction mechanism comprises a dust suction hood (33), the dust suction hood (33) is installed below the slitting knife shaft (31), and a dust suction air pipe (34) is communicated with the bottom end of the dust suction hood (33).

10. The winding and cutting device for the glass fiber battery separator as claimed in claim 1, wherein a plurality of groups of balls (35) are rotatably arranged on the inner wall of the arc-shaped clamping groove (7).

Technical Field

The invention relates to the technical field of auxiliary devices for processing glass fiber battery separators, in particular to a winding and cutting device for a glass fiber battery separator.

Background

As is known, fine battery separator of glass needs to be cut into required size, then the rolling, fine battery separator rolling cutting device of present glass generally includes the frame, be provided with a plurality of axles of leading in the frame, cut mechanism and winding mechanism, carry former material through a plurality of axles of leading, then cut the processing to former material through cutting mechanism, then roll good finished product through winding mechanism to cutting, fine battery separator rolling cutting device of present glass discovers in use, whenever the rolling of good separator coiled material of cutting is accomplished the back, need shut down, then dismantle the separator coiled material that the rolling finishes by the manual work, then adorn new rolling cover again, carry out the rolling operation at the start, it is more loaded down with trivial details to work, can't realize continuous production, thereby influence work efficiency, lead to using the reliability lower.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the winding and cutting device for the glass fiber battery separator, which is convenient for feeding and discharging a winding sleeve, does not need to be stopped in the feeding and discharging process, realizes continuous production operation, and improves the working efficiency and the use reliability.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a winding and cutting device for a glass fiber battery separator comprises a rack and a winding mechanism, wherein a plurality of guide shafts and a cutting mechanism are arranged on the rack; the rolling mechanism comprises a fixing frame, a rotating shaft is rotatably arranged on the inner side of the fixing frame, a rotating material frame is arranged on the outer side of the rotating shaft, a servo motor for driving the rotating shaft to rotate is arranged at the front end of the fixing frame, arc-shaped clamping grooves are formed in the left end and the right end of the rotating material frame, rolling air expansion shafts are movably arranged at the arc-shaped clamping grooves, guide plates are arranged at the front end and the rear end of the inner side of the fixing frame, annular guide holes are formed in the guide plates, the distance between each arc-shaped clamping groove and the corresponding rotating shaft is equal to the radius of each annular guide hole, a taking and placing opening communicated with the annular guide holes is formed in the right end of each guide plate, a transverse moving mechanism is arranged at the front end of the inner side of the fixing frame, a driving mechanism for driving the left rolling air expansion shafts to rotate is arranged at the output end of the transverse moving mechanism, a lifting mechanism is arranged at the top of the fixing frame, and a pressing mechanism for compacting a partition plate on the left rolling air expansion shafts and a partition plate are arranged at the lifting end of the bottom of the lifting mechanism A cutting mechanism for cutting the coiled material.

Preferably, the guide plate comprises an inner plate and an outer plate, the inner plate and the outer plate are fixedly connected with the inner side of the fixing frame through the connecting column, the inner plate is located in the middle of the outer plate, and the annular guide hole is formed between the inner plate and the outer plate.

Preferably, two sets of limiting rings are fixedly arranged on the outer side of the winding air expansion shaft, the two sets of limiting rings are respectively contacted with the front end and the rear end of the front side baffle of the rotary material rack, and the diameter of the winding air expansion shaft is matched with the width of the annular guide hole.

Preferably, the traversing mechanism comprises a traversing cylinder, an installation plate is arranged at the output end of the traversing cylinder, the driving mechanism comprises a rotating motor arranged on the installation plate and a driven gear arranged at the front end of the winding air expansion shaft, a driving gear is arranged at the output end of the rotating motor, and the driving gear is meshed with the driven gear.

Preferably, the lifting mechanism comprises a lifting cylinder, a lifting plate is arranged at the output end of the bottom of the lifting cylinder, a plurality of groups of pressing mechanisms are arranged, and the plurality of groups of pressing mechanisms respectively correspond to a plurality of groups of winding sleeves on the winding air expansion shaft.

Preferably, the multiple groups of pressing mechanisms comprise pressing plates, two groups of connecting rods and two groups of springs, through holes are formed in the lifting plate, the top ends of the two groups of connecting rods penetrate through the two groups of through holes, limit nuts are arranged at the top portions of the two groups of connecting rods, the bottom ends of the two groups of connecting rods penetrate through the two groups of springs respectively and are connected with the top ends of the pressing plates, and pressing wheels are rotatably arranged at the bottom ends of the pressing plates.

Preferably, the cutting mechanism comprises a movable cutter arranged at the bottom end of the lifting plate and a fixed cutter arranged on the rotary material frame and matched with the movable cutter.

Preferably, the slitting mechanism comprises a slitting motor, the slitting motor is installed on the frame, a slitting cutter shaft is arranged at the output end of the slitting motor, and a plurality of groups of slitting circular cutters are installed on the outer side of the slitting cutter shaft.

Preferably, cutting mechanism department is provided with dust absorption mechanism, dust absorption mechanism includes the suction hood, the suction hood is installed in the below of branch cutter axle, and the bottom intercommunication of suction hood is provided with the dust absorption tuber pipe.

Preferably, a plurality of groups of balls are rotatably arranged on the inner wall of the arc-shaped clamping groove.

(III) advantageous effects

Compared with the prior art, the invention provides a winding and cutting device for a glass fiber battery separator, which has the following beneficial effects:

1. the glass fiber battery separator plate rolling and cutting device comprises a separator coiled material rolling device, wherein the separator coiled material is rolled on a left rolling air expansion shaft after being cut, in the rolling process, a driving mechanism drives the left rolling air expansion shaft to rotate to complete rolling, a standby rolling air expansion shaft is placed at an arc-shaped clamping groove at the right end of a rotary material rack through a taking and placing opening, after the rolling is completed, a traversing mechanism drives the driving mechanism to be separated from the left rolling air expansion shaft, a servo motor drives a rotating shaft and the rotary material rack to rotate 180 degrees, the rolling air expansion shaft and a full disk exchange positions, the rolling air expansion shaft after rolling rotates to the taking and placing opening, the disassembly is convenient, the air rolling air expansion shaft rotates to a rolling station, the separator coiled material placed on a rolling sleeve of the rolling air expansion shaft is compacted through a pressing mechanism, and then the separator coiled material between two groups of rolling air expansion shafts is cut through a cutting mechanism, the transverse moving mechanism moves the driving mechanism to a working station, and continues to drive the left winding air expansion shaft to rotate and wind, so that the winding sleeve can be conveniently charged and discharged, the machine does not need to be stopped in the charging and discharging process, the continuous production operation is realized, and the working efficiency and the use reliability are improved;

2. this fine battery separator rolling cutting device of glass is when changing the rolling inflatable axle, can carry out the acceleration of ephemeral nature to actuating mechanism for unnecessary baffle coiled material fully winds on the rolling inflatable is epaxial.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of another embodiment of the present invention;

FIG. 3 is a perspective view of the frame, feed shaft and slitting mechanism of the present invention;

FIG. 4 is a schematic perspective view of the winding mechanism of the present invention;

FIG. 5 is a schematic structural diagram of the fixing frame, the rotating shaft and the rotating rack of the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 5;

FIG. 7 is a schematic perspective view of the rolling inflation shaft of the present invention;

FIG. 8 is a schematic perspective view of a deflector of the present invention;

fig. 9 is a schematic structural view of the rotating shaft and the rotating rack in embodiment 2 of the present invention;

in the drawings, the reference numbers: 1. a frame; 2. a guide shaft; 3. a fixed mount; 4. a rotating shaft; 5. rotating the material rack; 6. a servo motor; 7. an arc-shaped clamping groove; 8. winding an air expansion shaft; 9. an annular guide hole; 10. a taking and placing port; 11. a hold-down mechanism; 12. an inner plate; 13. an outer plate; 14. a limiting ring; 15. a transverse moving cylinder; 16. mounting a plate; 17. a rotating electric machine; 18. a driven gear; 19. a driving gear; 20. a lifting cylinder; 21. a lifting plate; 22. winding a sleeve; 23. pressing a plate; 24. a connecting rod; 25. a spring; 26. a limit nut; 27. a pinch roller; 28. a movable cutter; 29. a fixed cutter; 30. a slitting motor; 31. a slitting cutter shaft; 32. cutting a circular knife; 33. a dust hood; 34. a dust collection air pipe; 35. and a ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

referring to fig. 1-8, the winding and cutting device for a glass fiber battery separator of the present invention comprises a frame 1 and a winding mechanism, wherein the frame 1 is provided with a plurality of guiding shafts 2 and a splitting mechanism; the winding mechanism comprises a fixed frame 3, a rotating shaft 4 is rotatably arranged on the inner side of the fixed frame 3, a rotating material frame 5 is arranged on the outer side of the rotating shaft 4, a servo motor 6 for driving the rotating shaft 4 to rotate is arranged at the front end of the fixed frame 3, arc-shaped clamping grooves 7 are respectively arranged at the left end and the right end of the rotating material frame 5, a winding air expansion shaft 8 is movably arranged at the arc-shaped clamping grooves 7, guide plates are respectively arranged at the front end and the rear end of the inner side of the fixed frame 3, annular guide holes 9 are arranged on the guide plates, the distance between each arc-shaped clamping groove 7 and the rotating shaft 4 is equal to the radius of each annular guide hole 9, a taking and placing port 10 communicated with each annular guide hole 9 is arranged at the right end of the inner side of the fixed frame 3, a transverse moving mechanism is arranged at the front end of the inner side of the fixed frame 3, a driving mechanism for driving the left winding air expansion shaft 8 to rotate is arranged at the output end of the transverse moving mechanism, and a lifting mechanism is arranged at the top of the fixed frame 3, a pressing mechanism 11 for compacting the separator coiled material on the left winding air expansion shaft 8 and a cutting mechanism for cutting the separator coiled material are arranged at the bottom lifting end of the lifting mechanism; after being cut, the separator coiled material is wound on a left winding air expansion shaft 8, in the winding process, a driving mechanism drives the left winding air expansion shaft 8 to rotate to complete winding, a standby winding air expansion shaft 8 is placed at an arc-shaped clamping groove 7 at the right end of a rotary material rack 5 through a taking-and-placing opening 10, after the winding is completed, a transverse mechanism drives the driving mechanism to be separated from the left winding air expansion shaft 8, a servo motor 6 drives a rotating shaft 4 and the rotary material rack 5 to rotate 180 degrees, the positions of the air winding air expansion shaft 8 and a winding air expansion shaft 8 of a full disk are exchanged, the winding air expansion shaft 8 which is wound rotates to the taking-and-placing opening 10 to be conveniently detached, the air winding air expansion shaft 8 rotates to a winding station, the separator coiled material which is placed on a sleeve winding 22 of the winding air expansion shaft 8 is compacted through a pressing mechanism 11, and then the separator coiled material between the two groups of winding air expansion shafts 8 is cut off through a cutting mechanism, the transverse moving mechanism moves the driving mechanism to the working station, the left rolling air expansion shaft 8 is continuously driven to rotate and roll, the rolling sleeve can be conveniently charged and discharged, the charging and discharging process does not need to be stopped, continuous production operation is realized, and the working efficiency and the use reliability are improved.

The guide plate comprises an inner plate 12 and an outer plate 13, the inner plate 12 and the outer plate 13 are fixedly connected with the inner side of the fixing frame 3 through connecting columns, the inner plate 12 is positioned in the middle of the outer plate 13, and the annular guide hole 9 is formed between the inner plate 12 and the outer plate 13; the inner plate 12 is a circular plate, the outer plate 13 is an annular plate, and the inner plate 12 and the outer plate 13 are both connected with the outer side of the fixing frame 3 through connecting columns, so that the rotation of the winding air expansion shaft 8 is not hindered.

Two groups of limiting rings 14 are fixedly arranged on the outer side of the winding air expansion shaft 8, the two groups of limiting rings 14 are respectively contacted with the front end and the rear end of a front side baffle of the rotary material rack, and the diameter of the winding air expansion shaft 8 is matched with the width of the annular guide hole 9; contact with the front and back of 3 front side baffles of mount through two sets of spacing rings 14 respectively, fix a position rolling inflatable shaft 8, rolling inflatable shaft 8's diameter and annular guiding hole 9's width phase-match, make rolling inflatable shaft 8 can rotate along annular guiding hole 9, can play spacing effect to rolling inflatable shaft 8 simultaneously, make rolling inflatable shaft 8 can not take place to rock under the dual location of arc draw-in groove 7 and annular guiding hole 9, only get and put 10 departments and just can get rolling inflatable shaft 8 and put.

The transverse moving mechanism comprises a transverse moving cylinder 15, an installation plate 16 is arranged at the output end of the transverse moving cylinder 15, the driving mechanism comprises a rotating motor 17 installed on the installation plate 16 and a driven gear 18 installed at the front end of the winding air expansion shaft 8, a driving gear 19 is arranged at the output end of the rotating motor 17, and the driving gear 19 is meshed with the driven gear 18; the transverse moving cylinder 15 drives the mounting plate 16 and the driving mechanism to move transversely, the driving mechanism is switched between a working station and an idle station, the driving motor 17 of the driving mechanism drives the driving gear 19 to rotate, the driving gear 19 drives the driven gear 18 to rotate, and therefore the winding air expansion shaft 8 which drives the winding station is driven to rotate, the driving gear 19 and the driven gear 18 both adopt triangular gears, and the driving gear 19 and the driven gear 18 are conveniently and effectively meshed.

The lifting mechanism comprises a lifting cylinder 20, a lifting plate 21 is arranged at the output end of the bottom of the lifting cylinder 20, a plurality of groups of pressing mechanisms 11 are arranged, the plurality of groups of pressing mechanisms 11 correspond to a plurality of groups of winding sleeves 22 on the winding air-expanding shaft 8 respectively, each group of pressing mechanisms 11 comprises a pressing plate 23, two groups of connecting rods 24 and two groups of springs 25, the lifting plate 21 is provided with through holes, the top ends of the two groups of connecting rods 24 penetrate through the two groups of through holes, limit nuts 26 are arranged at the top parts of the two groups of connecting rods 24, the bottom ends of the two groups of connecting rods 24 penetrate through the two groups of springs 25 respectively and are connected with the top end of the pressing plate 23, a pressing wheel 27 is rotatably arranged at the bottom end of the pressing plate 23, the lifting cylinder 20 drives the lifting plate 21 to lift, the pressing wheel 27 presses a partition coiled material on the winding sleeves 22, and the outer side of an empty sleeve 22 is coated with a layer of winding glue, the separator web may be fixed.

The cutting mechanism comprises a movable cutter 28 arranged at the bottom end of the lifting plate 21 and a fixed cutter 29 arranged on the rotary material frame 5 and matched with the movable cutter 28, and the partition coiled material between the two groups of winding air expansion shafts 8 is cut off through the matching of the movable cutter 28 and the fixed cutter 29.

The slitting mechanism comprises a slitting motor 30, the slitting motor 30 is mounted on the rack 1, a slitting cutter shaft 31 is arranged at the output end of the slitting motor 30, and a plurality of groups of slitting circular cutters 32 are mounted on the outer side of the slitting cutter shaft 31; the slitting motor 30 drives the slitting cutter shaft 31 to rotate, and the separator coiled material is slit by the slitting circular knife 32 on the outer side of the slitting cutter shaft 31.

A dust collection mechanism is arranged at the slitting mechanism and comprises a dust collection cover 33, the dust collection cover 33 is arranged below the slitting cutter shaft 31, and a dust collection air pipe 34 is communicated with the bottom end of the dust collection cover 33; the dust absorption air pipe 34 is connected with an exhaust fan, negative pressure is generated at the cover opening of the dust absorption cover 33, glass fiber scraps generated in the slitting process are pumped away, and pollution to the working environment is reduced.

A plurality of groups of balls 35 are rotatably arranged on the inner wall of the arc-shaped clamping groove 7; make things convenient for 7 departments of arc draw-in groove rolling gas shafts 8 to rotate through ball 35.

Example 2:

referring to fig. 9, arc-shaped clamping grooves 7 can be arranged at the top and the bottom of the rotary material rack 5, and four groups of arc-shaped clamping grooves 7 are formed in total, so that the servo motor 6 can rotate 90 degrees every time, and the purpose of replacing the winding air expansion shaft 8 without stopping the machine can be achieved.

When in use, the partition coiled material is guided by a plurality of groups of guide shafts 2, the partition coiled material is cut by a cutting mechanism, the partition coiled material is wound on a left winding air expansion shaft 8 after being cut, the winding is finished by driving the left winding air expansion shaft 8 to rotate by a driving mechanism in the winding process, a standby winding air expansion shaft 8 is placed at an arc-shaped clamping groove 7 at the right end of a rotary material rack 5 through a taking and placing port 10, after the winding is finished, a transverse moving mechanism drives the driving mechanism to be separated from the left winding air expansion shaft 8, a rotating shaft 4 and the rotary material rack 5 are driven by a servo motor 6 to rotate by 180 degrees, the air winding air expansion shaft 8 and the winding air expansion shaft 8 of a full disk exchange positions, the winding air expansion shaft 8 after the winding is rotated to the taking and placing port 10, the dismounting is convenient, the winding air expansion shaft 8 is rotated to a winding station, the partition coiled material placed on a winding sleeve 22 of the winding air expansion shaft 8 is compacted by a compacting mechanism 11, then cut off the baffle coiled material between two sets of rolling inflatable shafts 8 through shutdown mechanism, the sideslip mechanism removes actuating mechanism to work station, continues to drive left rolling inflatable shaft 8 and rotates the rolling, conveniently goes up unloading to the rolling cover, goes up the unloading in-process and need not the shut down, realizes the continuous production operation, improves work efficiency and use reliability.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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.