阅读说明：本技术 一种可标记不合格部位的铝合金板平整检测装置 (Aluminum alloy plate leveling detection device capable of marking unqualified parts ) 是由 陈辉 于 2021-01-11 设计创作，主要内容包括：本发明涉及一种铝合金板平整检测装置,尤其涉及一种可标记不合格部位的铝合金板平整检测装置,包括有支架、托板、卡紧传动组件、调节组件等；托板固定安装在支架一侧,卡紧传动组件转动式连接于支架上,调节组件通过螺纹连接的方式连接于支架上。通过检测记录组件,链条带动旋转齿轮及其上装置转动,从而带轮通过皮带带动旋转轴二及锥齿轮转动,进而锥齿轮转动带动检测齿轮转动,使得齿带及其上装置转动,记录笔运动对铝合金板进行检测。(The invention relates to an aluminum alloy plate flattening detection device, in particular to an aluminum alloy plate flattening detection device capable of marking unqualified parts, which comprises a bracket, a supporting plate, a clamping transmission assembly, an adjusting assembly and the like; the supporting plate is fixedly arranged on one side of the support, the clamping transmission assembly is connected to the support in a rotating mode, and the adjusting assembly is connected to the support in a threaded connection mode. Through detecting the record subassembly, the chain drives rotatory gear and device rotation on it to the band pulley passes through the belt and drives rotation axis two and bevel gear rotation, and then bevel gear rotates and drives and detect gear rotation, makes the cingulum and device rotation on it, and the recording pen motion detects the aluminum alloy plate.)

1. The utility model provides a but aluminium alloy plate of unqualified position of mark levels detection device which characterized in that: including support, layer board, chucking drive assembly, adjusting part and detection record subassembly, layer board fixed mounting is in support one side, and chucking drive assembly rotary type is connected on the support, and the adjusting part passes through threaded connection's mode and connects on the support, and detection record subassembly is located on the support.

2. The aluminum alloy plate flattening detection apparatus capable of marking the unqualified part according to claim 1, characterized in that: the clamping transmission component comprises a motor, a power shaft, a sector gear, a clamping rod I, a transmission gear, a chain wheel I, a sliding block I, a clamping rod II, a clamping spring, a rotating shaft, a chain wheel II, a chain, a movable placing plate, a sliding placing plate and a compression spring I, wherein the motor is fixedly arranged on the supporting plate, the power shaft is fixedly connected to an output shaft of the motor, the power shaft is rotatably connected with the support, the sector gear is fixedly connected to the power shaft, the clamping rod I is connected to the support through a bearing, the transmission gear is fixedly connected to the clamping rod I, the transmission gear is meshed with the sector gear, the two chain wheels I are movably connected to the clamping rod I, the chain wheels I are in distributed sliding connection with the sliding block I, the sliding block I is fixedly connected with the clamping rod II, the clamping rod II is clamped into a groove of the clamping rod I, the clamping spring is connected between the, the fixed connection has two sprockets two on the axis of rotation, is connected with the chain between sprocket two and the sprocket one, and the board distributing type swing joint is placed between two chains in the activity, and the board is placed to the activity and the sliding connection has the board of placing that slides on placing the board, slides and places the board and the activity and place and be connected with a pair of compression spring one between the board.

3. The aluminum alloy plate flattening detection apparatus capable of marking the unqualified part according to claim 2, characterized in that: the adjusting component comprises a screw rod, a handle and a detection plate, the screw rod is connected to the support in a threaded connection mode, the handle is fixedly connected to the top end of the screw rod, and the detection plate is connected to the screw rod through a bearing.

4. The aluminum alloy plate flattening detection apparatus capable of marking the unqualified part according to claim 3, characterized in that: the detection and recording component comprises a fixed groove plate, a second sliding block, a reset spring, a first rotating shaft, a rotating gear, a second rotating shaft, a belt wheel, a belt, a chain shaft, a detection gear, a bevel gear, a toothed belt, a fixed block, a recording pen and a second compression spring, wherein the fixed groove plate is fixedly connected on a bracket, the fixed groove plate is slidably connected with the second sliding block, the reset spring is connected between the second sliding block and the fixed groove plate, the first rotating shaft is rotatably connected on the second sliding block, the rotating gear is fixedly connected on the first rotating shaft, the rotating gear is meshed with the chain, the second rotating shaft is rotatably connected on the detection plate, the belt wheel is fixedly connected on the first rotating shaft, the belt wheel is connected between the belt wheels, the two chain shafts are rotatably connected on the detection plate, the detection gear is fixedly connected on the chain shaft, the bevel gear is also fixedly connected on one, the two bevel gears are meshed with each other, a toothed belt is connected between the two detection gears, the fixing blocks are fixedly connected to the toothed belt in a distributed mode, the fixing blocks are connected with recording pens in a sliding mode, and compression springs are connected between the recording pens and the fixing blocks.

5. The aluminum alloy plate flattening detection apparatus capable of marking the unqualified part according to claim 4, wherein: including stirring the subassembly, it stirs the subassembly to slide type connection on the record of detection subassembly, stir the subassembly including the catch bar, compression spring three, the decline board, tension spring, fixed baffle, swivel ring and pinion, slide type connection has the catch bar on placing the board in the slip, catch bar and slip are placed and are connected with compression spring three between the board, decline board sliding type connection is on fixed frid, be connected with tension spring between fixed frid and the decline board, fixed baffle rigid coupling is in decline board lower part, decline board lower part rotary type is connected with the swivel ring, the rigid coupling has the pinion on the swivel ring.

6. The aluminum alloy plate flattening detection apparatus capable of marking the unqualified part according to claim 5, characterized in that: still including promoting the subassembly, stir the subassembly and be equipped with the promotion subassembly, promote the subassembly including two-way lead screw, nut, guide arm and push pedal, the mode through threaded connection in the runner ring is connected with two-way lead screw, is connected with the nut through threaded connection's mode on the two-way lead screw, and the rigid coupling has the guide arm on the nut, and slidingtype connection between guide arm and the fixed guide, the rigid coupling has the push pedal on the nut.

Technical Field

The invention relates to an aluminum alloy plate flattening detection device, in particular to an aluminum alloy plate flattening detection device capable of marking unqualified parts.

Background

The aluminum alloy plate is an industrial building material, is used in various industries according to different materials, is widely applied to the industries of airplane structures, rivets, missile components, truck hubs, packaging, heat insulation aluminum foils, heat exchangers, partition frames, wing ribs, wing spars and the like, is often used in high-precision occasions, needs to detect the flatness of the aluminum alloy plate after the aluminum alloy plate is processed, and cannot meet the requirements of downstream industries if the flatness is unqualified.

Present aluminium alloy plate levelness test can not detect aluminium alloy plate in batches, only carries out the selective examination to a batch of sample usually, and the sampling inspection can not guarantee the holistic leveling rate of aluminium alloy plate, and then can not guarantee aluminium alloy plate's qualification rate to need the workman to detect aluminium alloy plate one by one manually when detecting aluminium alloy plate levelness, influenced follow-up aluminium alloy plate processing production speed.

Disclosure of Invention

The invention aims to provide an aluminum alloy plate flattening detection device which can carry out flattening detection on aluminum alloy plates in batches and is suitable for aluminum alloy plates with different thickness specifications and can mark unqualified parts, so as to solve the problem that the aluminum alloy plates cannot be detected in batches in the background technology.

The technical scheme is as follows: the utility model provides a but aluminium alloy plate of unqualified position of mark levels detection device, is including support, layer board, chucking drive assembly, adjusting part and detection record subassembly, and layer board fixed mounting is in support one side, and chucking drive assembly rotary type is connected on the support, and the adjusting part passes through threaded connection's mode and connects on the support, and detection record subassembly is located on the support.

As a further preferable scheme, the clamping transmission assembly comprises a motor, a power shaft, a sector gear, a first clamping rod, a transmission gear, a first chain wheel, a first sliding block, a second clamping rod, a clamping spring, a rotating shaft, a second chain wheel, a chain, a movable placing plate, a sliding placing plate and a first compression spring, the motor is fixedly arranged on the supporting plate, the power shaft is fixedly connected to an output shaft of the motor, the power shaft is rotatably connected with the support, the sector gear is fixedly connected to the power shaft, the first clamping rod is connected to the support through a bearing, the transmission gear is fixedly connected to the first clamping rod, the transmission gear is meshed with the sector gear, the first two chain wheels are movably connected to the first clamping rod, the first chain wheels are in distributed sliding connection with the first sliding blocks, the first sliding blocks are fixedly connected to the second clamping rods, the second clamping rods are clamped into grooves of the first clamping rods, and the, the support is connected with a rotating shaft through a bearing, two chain wheels II are fixedly connected to the rotating shaft, chains are connected between the chain wheels II and the chain wheels I, the movable placing plate is movably connected between the two chains, the movable placing plate is connected with a sliding placing plate in a sliding mode, and the sliding placing plate and the movable placing plate are connected with a pair of compression springs I.

As a further preferred scheme, the adjusting assembly comprises a screw rod, a handle and a detection plate, the screw rod is connected to the support in a threaded connection mode, the handle is fixedly connected to the top end of the screw rod, and the detection plate is connected to the screw rod through a bearing.

As a further preferable scheme, the detection recording component comprises a fixed groove plate, a second sliding block, a reset spring, a first rotating shaft, a rotating gear, a second rotating shaft, a belt wheel, a belt, a chain shaft, a detection gear, a bevel gear, a toothed belt, a fixed block, a recording pen and a second compression spring, wherein the fixed groove plate is fixedly connected to the bracket, the fixed groove plate is slidably connected with the second sliding block, the reset spring is connected between the second sliding block and the fixed groove plate, the first rotating shaft is rotatably connected to the second sliding block, the rotating gear is fixedly connected to the first rotating shaft, the rotating gear is meshed with the chain, the second rotating shaft is rotatably connected to the detection plate, the first rotating shaft is fixedly connected to the belt wheel, the belt wheel is fixedly connected to the second rotating shaft, the belt wheel is connected to the belt wheel, the two chain shafts are rotatably connected to the detection plate, the, the second rotating shaft is also fixedly connected with bevel gears, the two bevel gears are meshed with each other, a toothed belt is connected between the two detection gears, the fixed blocks are fixedly connected to the toothed belt in a distributed mode, the fixed blocks are connected with recording pens in a sliding mode, and compression springs are connected between the recording pens and the fixed blocks.

As further preferred scheme, including stirring the subassembly, the subassembly is stirred in sliding connection on the detection record subassembly, stir the subassembly including the catch bar, compression spring three, the decline board, tension spring, fixed baffle, rotating ring and pinion, sliding connection has the catch bar on placing the board in the slip, catch bar and slip are placed and are connected with compression spring three between the board, decline board sliding connection is on fixed frid, be connected with tension spring between fixed frid and the decline board, fixed baffle rigid coupling is in decline board lower part, decline board lower part rotary type is connected with the rotating ring, the rigid coupling has the pinion on the rotating ring.

As a further preferred scheme, the device further comprises a pushing assembly, the pushing assembly is arranged on the shifting assembly and comprises a bidirectional screw rod, a nut, a guide rod and a push plate, the bidirectional screw rod is connected in the rotating ring in a threaded connection mode, the nut is connected on the bidirectional screw rod in a threaded connection mode, the guide rod is fixedly connected on the nut, the guide rod is slidably connected with the fixed guide plate, and the push plate is fixedly connected on the nut.

The invention has the following advantages: through detecting the record subassembly, the chain drives rotatory gear and device rotation on it to the band pulley passes through the belt and drives rotation axis two and bevel gear rotation, and then bevel gear rotates and drives and detect gear rotation, makes the cingulum and device rotation on it, and the recording pen motion detects the aluminum alloy plate.

Through adjusting part, the staff manually rotates the handle, adjusts the pick-up plate and the position of device on it, and the recording pen of being convenient for detects aluminum alloy plate surface, makes this equipment can level and smooth the detection to the aluminum alloy plate of thickness difference.

Through the cooperation of swivel becket and two-way lead screw, two-way lead screw and device left and right reciprocating motion on it, push pedal left and right reciprocating motion will detect the aluminium alloy plate who finishes and release from sliding and placing the board, realize the purpose that the aluminium alloy plate who finishes will detect automatically releases.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

Fig. 2 is a schematic perspective view of a second embodiment of the present invention.

Fig. 3 is a schematic view of a first partially assembled body of the clamping and driving assembly of the present invention.

Fig. 4 is a schematic view of a second partially assembled body of the clamping and driving assembly of the present invention.

Fig. 5 is a schematic perspective view of an adjustment assembly of the present invention.

Fig. 6 is an enlarged schematic view of the structure of the present invention a.

FIG. 7 is a schematic perspective view of the detecting and recording assembly according to the present invention.

Fig. 8 is a schematic perspective view of the toggle assembly of the present invention.

Fig. 9 is a perspective view of the pushing assembly of the present invention.

Wherein: 1-bracket, 2-supporting plate, 3-clamping transmission component, 31-motor, 32-power shaft, 33-sector gear, 34-clamping rod I, 35-transmission gear, 36-chain wheel I, 37-sliding block I, 38-clamping rod II, 39-clamping spring, 310-rotating shaft, 311-chain wheel II, 3111-chain, 312-movable placing plate, 313-sliding placing plate, 314-compression spring I, 4-adjusting component, 41-screw rod, 42-handle, 43-detecting plate, 5-detection recording component, 51-fixed slotted plate, 52-sliding block II, 53-reset spring, 54-rotating shaft I, 55-rotating gear, 56-rotating shaft II, 57-belt wheel, 58-belt, 59-chain shaft, 510-detection gear, 511-bevel gear, 512-toothed belt, 513-fixed block, 514-recording pen, 515-compression spring II, 6-toggle component, 61-push rod, 62-compression spring III, 63-descending plate, 64-tension spring, 65-fixed guide plate, 66-rotating ring, 67-pinion, 7-push component, 71-bidirectional screw rod, 72-nut, 73-guide rod and 74-push plate.

Detailed Description

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, and the specific connection mode of each part adopts the conventional means of mature bolts, rivets, welding, sticking and the like in the prior art, and the detailed description is not repeated.

Example 1

The utility model provides a can mark aluminium alloy plate of unqualified position and level detection device, as shown in fig. 1-9, including support 1, layer board 2, chucking drive assembly 3, adjusting part 4 and detection record subassembly 5, layer board 2 fixed mounting is in support 1 one side, chucking drive assembly 3 rotary type is connected on support 1, adjusting part 4 connects on support 1 through threaded connection's mode, adjusting part 4 is used for adjusting the position of pick-up plate 43 and device on it, detection record subassembly 5 locates on support 1, detection record subassembly 5 is used for detecting the record to aluminium alloy plate.

The clamping transmission component 3 comprises a motor 31, a power shaft 32, a sector gear 33, a clamping rod I34, a transmission gear 35, a chain wheel I36, a sliding block I37, a clamping rod II 38, a clamping spring 39, a rotating shaft 310, a chain wheel II 311, a chain 3111, a movable placing plate 312, a sliding placing plate 313 and a compression spring I314, wherein the motor 31 is fixedly arranged on the supporting plate 2, the power shaft 32 is fixedly connected on an output shaft of the motor 31, the power shaft 32 is rotatably connected with the bracket 1, the sector gear 33 is fixedly connected on the power shaft 32 far away from the motor 31, the clamping rod I34 is connected on the bracket 1 close to the motor 31 through a bearing, the transmission gear 35 is fixedly connected on the clamping rod I34 close to the motor 31, the transmission gear 35 and the sector gear 33 are mutually meshed, the two chain wheels I36 are movably connected on the clamping rod I34, the chain wheels I36 are in distributed sliding connection with the sliding block I37, the sliding block I, the second clamping rod 38 is clamped into a groove of the first clamping rod 34, a clamping spring 39 is connected between the first chain wheel 36 and the first sliding block 37, a rotating shaft 310 is connected to the support 1 far away from the first clamping rod 34 through a bearing, two chain wheels 311 are fixedly connected to the rotating shaft 310, a chain 3111 is connected between the second chain wheels 311 and the first chain wheels 36, the movable placing plate 312 is movably connected between the two chains 3111 in a distributed mode, a sliding placing plate 313 used for placing an aluminum alloy plate is connected to the movable placing plate 312 in a sliding mode, and a pair of compression springs 314 is connected between the sliding placing plate 313 and the movable placing plate 312.

The adjusting assembly 4 comprises a screw rod 41, a handle 42 and a detecting plate 43, the screw rod 41 is connected to the support 1 in a threaded connection mode, the handle 42 for facilitating adjustment is fixedly connected to the top end of the screw rod 41, and the detecting plate 43 is connected to the screw rod 41 far away from the handle 42 through a bearing.

The detecting and recording assembly 5 comprises a fixed slot plate 51, a second sliding block 52, a return spring 53, a first rotating shaft 54, a rotating gear 55, a second rotating shaft 56, a belt wheel 57, a belt 58, a chain shaft 59, a detecting gear 510, a bevel gear 511, a toothed belt 512, a fixed block 513, a recording pen 514 and a second compression spring 515, wherein the fixed slot plate 51 is fixedly connected to the bracket 1, the fixed slot plate 51 far away from the bracket 1 is slidably connected with the second sliding block 52, the return spring 53 is connected between the second sliding block 52 and the fixed slot plate 51, the second sliding block 52 is rotatably connected with the first rotating shaft 54, the first rotating shaft 54 is fixedly connected with the rotating gear 55, the rotating gear 55 is meshed with the chain 3111, the detecting plate 43 is rotatably connected with the second rotating shaft 56, the first rotating shaft 54 far away from the rotating gear 55 is fixedly connected with the belt wheel 57, the belt wheel 57 is fixedly connected on the, the belt 58 is used for driving the belt wheel 57 to rotate, the two chain shafts 59 are rotatably connected to the detection plate 43, the detection gear 510 is fixedly connected to the chain shaft 59 far away from the detection plate 43, the bevel gear 511 is also fixedly connected to one of the chain shafts 59 close to the detection gear 510, the second rotating shaft 56 far away from the belt wheel 57 is also fixedly connected with the bevel gear 511, the two bevel gears 511 are meshed with each other, a toothed belt 512 is connected between the two detection gears 510, the fixed blocks 513 are fixedly connected to the toothed belt 512 in a distributed mode, the fixed blocks 513 are connected with the recording pen 514 in a sliding mode, the recording pen 514 is used for marking the protruding portions of the surface of the aluminum alloy plate, and the compression spring second 515 is connected.

This equipment is put in to assembly line operational environment, levels when examining time measuring when needs to aluminium alloy plate, and the staff places aluminium alloy plate on sliding place board 313, according to the different aluminium alloy plate of thickness, the manual turning handle 42 of staff adjusts the pick-up plate 43 and the position of device on it, and the recording pen 514 of being convenient for detects aluminium alloy plate surface, makes this equipment can level the aluminium alloy plate that the thickness is different and detect.

The staff manually starts the motor 31, the output shaft of the motor 31 rotates anticlockwise to drive the power shaft 32 and the sector gear 33 to rotate, the sector gear 33 drives the transmission gear 35 and the device on the transmission gear to rotate, the first sprocket 36 drives the second sprocket 311 and the device on the second sprocket to rotate clockwise through the chain 3111, so that the movable placing plate 312 and the device on the movable placing plate move towards the direction close to the first sprocket 36, the chain 3111 drives the rotating gear 55 and the device on the movable placing plate to rotate, the belt pulley 57 drives the second rotating shaft 56 and the bevel gear 511 to rotate through the belt 58, the bevel gear 511 rotates to drive the detection gear 510 to rotate, the toothed belt 512 and the device on the movable placing plate rotate, and the recording pen 514 moves to. When the aluminum alloy plate is flat and qualified, the movable placing plate 312 and the upper device intermittently move towards the direction approaching the first chain wheel 36 according to the tooth number of the sector gear 33, and the recording pen 514 intermittently detects the aluminum alloy plate on the next sliding placing plate 313.

When the surface of the aluminum alloy plate is uneven and is provided with protrusions, the recording pen 514 is in contact with the protrusions on the surface of the aluminum alloy plate on the sliding placing plate 313, the recording pen 514 marks the protrusions on the surface of the aluminum alloy plate, meanwhile, the aluminum alloy plate on the sliding placing plate 313 moves towards the direction close to the first chain wheel 36, the detecting plate 43 blocks the protruding aluminum alloy plate, and the sliding placing plate 313 does not move towards the direction close to the first chain wheel 36. The sector gear 33 continues to rotate and is meshed with the transmission gear 35, the transmission gear 35 and the device on the transmission gear continue to rotate, the movable placing plate 312 moves towards the direction close to the first chain wheel 36, the first compression spring 314 is compressed, the sliding placing plate 313 blocks the movable placing plate 312, the chain 3111 and the device on the chain 3111 cannot rotate clockwise, the first clamping rod 34 rotates to push the second clamping rod 38, the clamping spring 39 is compressed, the second clamping rod 38 is not clamped into the groove of the first clamping rod 34, the first clamping rod 34 cannot drive the first chain wheel 36 and the device on the chain to rotate, and unqualified aluminum alloy plates stop below the detection plate 43. After finishing detecting the aluminum alloy plate surface, take out the aluminum alloy plate, the chucking spring 39 of compressed resets and drives chucking pole two 38 and reset, and drive gear 35 and the last device thereof continue to rotate, resets through a compressed compression spring 314 and drives the activity and place board 312 and reset, and repeated above-mentioned operation detects next aluminum alloy plate surface, and the manual motor 31 that closes that finishes of work can make equipment stop operation.

Example 2

On the basis of the embodiment 1, as shown in fig. 8-9, the detecting and recording device comprises a toggle assembly 6, the detecting and recording assembly 5 is slidably connected with the toggle assembly 6, the toggle assembly 6 comprises a push rod 61, a compression spring III 62 and a descending plate 63, the sliding support comprises a tension spring 64, a fixed guide plate 65, a rotating ring 66 and a pinion 67, a push rod 61 is connected to a sliding placing plate 313 in a sliding mode, the push rod 61 is used for pushing a descending plate 63, a compression spring III 62 is connected between the push rod 61 and the sliding placing plate 313, the descending plate 63 is connected to a fixed groove plate 51 far away from the support 1 in a sliding mode, the tension spring 64 is connected between the fixed groove plate 51 and the descending plate 63, the fixed guide plate 65 is fixedly connected to the lower portion of the descending plate 63 far away from the fixed groove plate 51, the rotating ring 66 is rotatably connected to the lower portion of the descending plate 63 close to the fixed guide plate 65, and the pinion 67 is fixedly.

Still including promoting the subassembly 7, it is equipped with on the subassembly 6 to stir and promotes the subassembly 7, it is used for placing the aluminium alloy plate that finishes detecting from sliding and releases on the board 313 to promote the subassembly 7 including two-way lead screw 71, the nut 72, guide arm 73 and push pedal 74, the mode through threaded connection is connected with two-way lead screw 71 in the rotating ring 66, be connected with nut 72 through threaded connection's mode on the two-way lead screw 71, the rigid coupling has guide arm 73 on the nut 72, sliding connection between guide arm 73 and the fixed baffle 65, the rigid coupling has push pedal 74 on the nut 72 that is close to guide arm 73, push pedal 74 is used for promoting the aluminium alloy plate that finishes detecting.

When the sliding placing plate 313 does not move towards the direction close to the first chain wheel 36 any more, the movable placing plate 312 pushes the pushing rod 61 to move towards the direction close to the first chain wheel 36, the compression spring III 62 is compressed, the pushing rod 61 pushes the descending plate 63, so that the descending plate 63 and the upper device move downwards, the tension spring 64 is stretched, when the pinion 67 moves downwards and is meshed with the sector gear 33, at the moment, the sector gear 33 is separated from the transmission gear 35, the transmission gear 35 and the upper device stop rotating, the sector gear 33 drives the pinion 67 and the rotating ring 66 to rotate, the bidirectional screw rod 71 and the upper device reciprocate left and right through the matching of the rotating ring 66 and the bidirectional screw rod 71, the detected aluminum alloy plate is pushed out from the sliding placing plate 313 through the left and right reciprocating motion of the pushing plate 74, and the purpose of automatically pushing out the detected aluminum alloy plate is achieved. After the aluminum alloy plate is pushed out from the slide placing plate 313, the compressed compression spring three 62 and the upper device thereof are reset, and the stretched tension spring 64 and the upper device thereof are reset, so that the descending plate 63 and the upper device thereof are reset.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.