Rice noodle cutting device with powder coating function

文档序号:27531 发布日期:2021-09-24 浏览:42次 中文

阅读说明:本技术 一种具有涂粉功能的米粉切割装置 (Rice noodle cutting device with powder coating function ) 是由 左威 于 2021-06-22 设计创作,主要内容包括:本发明涉及米粉加工领域,尤其涉及一种具有涂粉功能的米粉切割装置,包括有第一固定架、推动机构、切割机构、收缩机构、蓄力机构等;推动机构设于第一固定架上,切割机构设于第一固定架上,收缩机构设于切割机构上,蓄力机构设于第一固定架上。通过第二滑动架与第四滑动架的配合,第二滑动架会推动第四滑动架运动,使得第四滑动架上的圆孔与固定框上的圆孔相对应,从而使得第四滑动架不再挡住固定框上的圆孔,固定框上的面粉会洒落至其中一晾晒杆上,进而可以防止米粉粘连,达到了能够间歇性地将面粉洒落至每一晾晒杆上以防止米粉粘连的效果。(The invention relates to the field of rice noodle processing, in particular to a rice noodle cutting device with a powder coating function, which comprises a first fixing frame, a pushing mechanism, a cutting mechanism, a contraction mechanism, a force storage mechanism and the like; the pushing mechanism is arranged on the first fixing frame, the cutting mechanism is arranged on the first fixing frame, the contraction mechanism is arranged on the cutting mechanism, and the force storage mechanism is arranged on the first fixing frame. Through the cooperation of second carriage and fourth carriage, the second carriage can promote the motion of fourth carriage for round hole on the fourth carriage is corresponding with the round hole on the fixed frame, thereby makes the fourth carriage no longer block the round hole on the fixed frame, and flour on the fixed frame can unrestrained to one of them sunning pole on, and then can prevent the ground rice adhesion, has reached can intermittently nature with the unrestrained effect to preventing the ground rice adhesion on each sunning pole of flour.)

1. The utility model provides a ground rice cutting device with whitewash function, characterized by, including first mount, pushing mechanism, cutting mechanism, shrink mechanism and hold power mechanism, pushing mechanism locates on the first mount, cutting mechanism locates on the first mount, shrink mechanism locates on cutting mechanism, holds power mechanism and locates on the first mount.

2. The rice noodle cutting device with a powdering function according to claim 1, wherein the pushing mechanism comprises a motor, a first rotating shaft, a first rotating bar, a first fixing lever, a first sliding frame, a rotating plate, a first torsion spring, a first return spring, a second sliding frame and an air-drying lever, the motor is mounted on the first fixing frame, one end of the output shaft of the motor is connected with the first rotating shaft, the first rotating shaft is connected with a pair of the first rotating bars, the first fixing frame is connected with a pair of the first fixing levers, the first sliding frame is slidably connected with the first fixing levers, the first fixing levers traverse the first sliding frame, the first sliding frame is in contact with the first rotating bar, the rotating plate is rotatably connected with the first sliding frame, a pair of the first torsion springs is connected between the rotating plate and the first sliding frame, and the first return spring is connected between the first sliding frame and the first fixing frame, the first fixing frame is connected with a second sliding frame in a sliding mode, the second sliding frame is connected with airing rods in an even sliding mode, and one airing rod is in contact with the rotating plate.

3. The rice noodle cutting device with a flour coating function as claimed in claim 2, wherein the cutting mechanism comprises a second rotating shaft, a second rotating bar, a second torsion spring, a second fixing rod, a sliding bar, a first sliding rod, a cutting knife and a second return spring, the first fixing frame is rotatably connected with a pair of second rotating shafts, the second rotating bar is connected with the second rotating shaft in a coupling mode, the second torsion spring is connected between the second rotating bar and the first fixing frame, the first fixing frame is connected with a pair of second fixing rods, the two second fixing rods are jointly slidably connected with the sliding bar, the sliding bar is in limit fit with the second rotating bar, the sliding bar is slidably connected with a pair of first sliding rods, the two first sliding rods are jointly connected with the cutting knife, and the two second return springs are connected between the cutting knife and the sliding bar.

4. A rice noodle cutting device with a powdering function according to claim 3, wherein the contracting mechanism comprises a wedge frame, a second slide bar, a wedge block and a third return spring, the pair of wedge frames are coupled to the slide bar, the pair of second slide bars are slidably coupled to the first holder, the wedge block is coupled to the second slide bar, the wedge block is in contact with the wedge frame, and the third return spring is coupled between the wedge block and the first holder.

5. A rice noodle cutting device with a powder coating function as claimed in claim 4, wherein the power accumulating mechanism comprises a second fixing frame, a third fixing rod, a third carriage and a fourth return spring, a pair of the second fixing frames are coupled to the slide bar, a pair of the third fixing rods are coupled to the first fixing frame, the third carriage is slidably connected to the third fixing rod, the third carriage is in contact with the cutting knife, and the fourth return spring is connected between the third carriage and the first fixing frame.

6. The rice noodle cutting device with a rice noodle coating function as claimed in claim 5, further comprising a rice noodle coating mechanism, wherein the rice noodle coating mechanism is arranged on the first fixing frame, the rice noodle coating mechanism comprises a fixing frame, a fourth fixing rod, a fourth sliding frame and a fifth reset spring, the fixing frame is connected to the first fixing frame, a rectangular groove is formed in one side of the fixing frame, seven round holes are formed in the bottom of the fixing frame, the round holes are linearly distributed, the fourth fixing rod is connected to one side of the fixing frame, the fourth sliding frame is slidably connected to the fourth fixing rod, the fourth sliding frame is slidably matched with the fixing frame, the seven round holes are formed in the fourth sliding frame, the round holes in the fourth sliding frame and the round holes in the fixing frame are arranged in a staggered mode, a small triangular block is arranged on one side of the fourth sliding frame, and the fifth reset spring is connected between the fourth sliding frame and the fixing frame.

Technical Field

The invention relates to the field of rice noodle cutting, in particular to a rice noodle cutting device with a powder coating function.

Background

The rice flour is a special snack in southern China, has flexible texture and elasticity, does not cause soup pasting after being boiled in water, is not easy to break after being fried, and is deeply loved by consumers. The rice flour produced by Jiangxi rice flour, Guilin rice flour and Taiwan new bamboo has great popularity, Mianyang rice flour has great popularity in Sichuan, the rice flour has various varieties, the production process is quite different, generally, rice is elutriated, soaked, ground into pulp, steamed into powder, tabletted, re-steamed, cooled, dried and packaged, and the manufacturing process of the rice flour is gradually changed from manual manufacturing into machine manufacturing along with the increasing demand of the rice flour.

In the process of processing rice flour, the rice flour extruded into shreds needs to be aired, the prior art is to cut off the rice flour extruded into shreds manually, the rice flour cut into sections is aired on a handheld airing rod, the length of the cut rice flour cannot be guaranteed to be consistent, flour needs to be manually sprayed on the airing rod by hands to avoid the adhesion of the rice flour, a large amount of time and manpower are consumed, the production efficiency is low, after the rice flour is cut, the rice flour needs to be aired manually by people, and the cleanness and the sanitation of the rice flour cannot be guaranteed.

Disclosure of Invention

Based on this, it is necessary to provide a rice noodle cutting device with a rice noodle coating function, which can automatically cut rice noodles extruded in a thread shape into a certain length, intermittently spray flour onto the airing to prevent adhesion, and automatically receive the cut rice noodles for convenient airing, so as to solve the problems of the background art that the cut rice noodles cannot be guaranteed to have consistent length, a large amount of time and labor are consumed, and flour cannot be automatically sprayed onto the airing bars.

The technical scheme is as follows: the utility model provides a ground rice cutting device with whitewashed function, is including first mount, pushing mechanism, cutting mechanism, shrink mechanism and hold power mechanism, and pushing mechanism locates on the first mount, and cutting mechanism locates on the first mount, and shrink mechanism locates on the cutting mechanism, holds power mechanism and locates on the first mount.

In addition, it is particularly preferable that the pushing mechanism includes a motor, a first rotating shaft, a first rotating bar, a first fixing rod, a first sliding frame, a rotating plate, a first torsion spring, a first return spring, a second sliding frame and an airing rod, the motor is mounted on a first fixing frame, one end of an output shaft of the motor is connected with the first rotating shaft, the first rotating shaft is connected with a pair of the first rotating bars, the first fixing frame is connected with a pair of the first fixing rods, the first fixing rod is connected with the first sliding frame in a sliding manner, the first sliding frame crosses the first sliding frame, the first sliding frame is in contact with the first rotating bar, the first sliding frame is connected with the rotating plate in a rotating manner, a pair of the first torsion springs is connected between the rotating plate and the first sliding frame, the first return spring is connected between the first sliding frame and the first fixing frame, the first fixing frame is connected with the second sliding frame in a sliding manner, and the second sliding frame is uniformly connected with airing rods in a sliding manner, and one airing rod is in contact with the rotating plate.

In addition, it is particularly preferred that the cutting mechanism includes a second rotation axis, a second rotation bar, a second torsion spring, a second fixing rod, a sliding bar, a first slide bar, a cutting knife and a second return spring, the first fixing frame is connected with a pair of second rotation axes in a rotation mode, the second rotation axis is connected with the second rotation bar in a connection mode, the second torsion spring is connected between the second rotation bar and the first fixing frame, the first fixing frame is connected with a pair of second fixing bars in a connection mode, the two second fixing bars are connected with the sliding bar in a common sliding mode, the sliding bar is in limit fit with the second rotation bar, the sliding bar is connected with a pair of first slide bars in a sliding mode, the two first slide bars are connected with the cutting knife in a connection mode, and two second return springs are connected between the cutting knife and the sliding bar.

In addition, it is especially preferred that the contraction mechanism comprises a wedge frame, a second slide bar, a wedge block and a third return spring, wherein the pair of wedge frames are connected to the slide bar, the pair of second slide bars are connected to the first fixing frame in a sliding manner, the wedge block is connected to the second slide bar, the wedge block is in contact with the wedge frame, and the third return spring is connected between the wedge block and the first fixing frame.

In addition, it is particularly preferred that the power storage mechanism comprises a second fixing frame, a third fixing rod, a third sliding frame and a fourth return spring, a pair of second fixing frames are connected to the sliding strip, a pair of third fixing rods are connected to the first fixing frame, the third sliding frame is connected to the third fixing rod in a sliding mode and is in contact with the cutting knife, and the fourth return spring is connected between the third sliding frame and the first fixing frame.

In addition, it is particularly preferred that the powder coating device further comprises a powder coating mechanism, the powder coating mechanism is arranged on the first fixing frame, the powder coating mechanism comprises a fixing frame, a fourth fixing rod, a fourth sliding frame and a fifth reset spring, the fixing frame is connected to the first fixing frame, one side of the fixing frame is provided with a rectangular groove, the bottom of the fixing frame is provided with seven round holes, the round holes are linearly distributed, the fourth fixing rod is connected to one side of the fixing frame, the fourth sliding frame is connected to the fourth fixing rod in a sliding mode, the fourth sliding frame is in sliding fit with the fixing frame, the fourth sliding frame is provided with the seven round holes, the round holes in the fourth sliding frame and the round holes in the fixing frame are arranged in a staggered mode, one side of the fourth sliding frame.

Compared with the prior art, the invention has the following advantages:

through the cooperation of rotor plate and sunning pole, the rotor plate can promote one of them sunning pole and the motion of overhead gage, and the ground rice can drop on one of them sunning pole this moment, is convenient for with the ground rice sunning on the sunning pole to make the course of working of ground rice more convenient and sanitary, reached and to accept the ground rice so that with the effect of its sunning automatically.

Through the cooperation of second carriage and fourth carriage, the second carriage can promote the motion of fourth carriage for round hole on the fourth carriage is corresponding with the round hole on the fixed frame, thereby makes the fourth carriage no longer block the round hole on the fixed frame, and flour on the fixed frame can unrestrained to one of them sunning pole on, and then can prevent the ground rice adhesion, has reached can intermittently nature with the unrestrained effect to preventing the ground rice adhesion on each sunning pole of flour.

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 third perspective view of the present invention.

Fig. 4 is a schematic partial perspective view of the pushing mechanism of the present invention.

Fig. 5 is a partially disassembled perspective view of the pushing mechanism of the present invention.

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

Fig. 7 is an enlarged perspective view of the present invention B.

Fig. 8 is a schematic sectional separated three-dimensional structure of the powder coating mechanism of the invention.

In the figure: 1. a first holder, 2, a pushing mechanism, 21, a motor, 22, a first rotating shaft, 23, a first rotating bar, 24, a first fixing bar, 25, a first carriage, 26, a rotating plate, 27, a first torsion spring, 28, a first return spring, 29, a second carriage, 211, an air-drying bar, 3, a cutting mechanism, 31, a second rotating shaft, 32, a second rotating bar, 33, a second torsion spring, 34, a second fixing bar, 35, a sliding bar, 36, a first sliding bar, 37, a cutting knife, 38, a second return spring, 4, a retracting mechanism, 41, a wedge-shaped frame, 42, a second sliding bar, 43, a wedge-shaped block, 44, a third return spring, 5, a force storage mechanism, 51, a second holder, 52, a third fixing bar, 53, a third carriage, 54, a fourth return spring, 6, a powder coating mechanism, 61, a fixing frame, 62, a fourth fixing bar, 63, a fourth carriage, 64. and a fifth return spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Example 1

The utility model provides a ground rice cutting device with whitewashed function, as shown in fig. 1-8, including first mount 1, pushing mechanism 2, cutting mechanism 3, shrink mechanism 4 and hold power mechanism 5, pushing mechanism 2 locates on first mount 1, pushing mechanism 2 is used for promoting sunning pole 211 and accepts the ground rice, cutting mechanism 3 locates on first mount 1, cutting mechanism 3 is used for cutting off the ground rice of downing, shrink mechanism 4 locates on cutting mechanism 3, hold power mechanism 5 and locate on first mount 1.

The pushing mechanism 2 comprises a motor 21, a first rotating shaft 22, a first rotating bar 23, a first fixing rod 24, a first sliding frame 25, a rotating plate 26, a first torsion spring 27, a first return spring 28, a second sliding frame 29 and an airing rod 211, wherein the motor 21 is installed on the first fixing frame 1, the motor 21 is used for driving the first rotating shaft 22 and the devices thereon to rotate, one end of an output shaft of the motor 21 is connected with the first rotating shaft 22, the first rotating shaft 22 is connected with a pair of first rotating bars 23 in a linkage manner, the first rotating bars 23 are used for pushing the first sliding frame 25 and the devices thereon to move, the first fixing frame 1 is connected with a pair of first fixing rods 24 in a linkage manner, the first sliding frame 25 is connected on the first fixing rods 24 in a sliding manner, the first fixing rods 24 cross the first sliding frame 25, the first sliding frame 25 is in contact with the first rotating bar 23, the rotating plate 26 is connected on the first sliding frame 25 in a rotating manner, the rotating plate 26 is used for pushing one of the airing rods 211 and the upper device thereof to move, a pair of first torsion springs 27 is connected between the rotating plate 26 and the first sliding frame 25, the first torsion springs 27 are used for driving the rotating plate 26 to reset, a first reset spring 28 is connected between the first sliding frame 25 and the first fixed frame 1, the first reset spring 28 is used for driving the first sliding frame 25 to reset, the first fixed frame 1 is connected with a second sliding frame 29 in a sliding mode, the second sliding frame 29 is connected with the airing rods 211 in an even sliding mode, the airing rods 211 are used for carrying rice flour so as to be aired, and one of the airing rods 211 is in contact with the rotating plate 26.

The cutting mechanism 3 comprises a second rotating shaft 31, a second rotating bar 32, a second torsion spring 33, a second fixing rod 34, a sliding bar 35, a first sliding bar 36, a cutting knife 37 and a second reset spring 38, wherein the first fixing frame 1 is rotatably connected with a pair of second rotating shafts 31, the second rotating bar 32 is connected on the second rotating shaft 31 in a coupling manner, the second rotating bar 32 is used for driving the sliding bar 35 to move towards the direction close to the fixing frame 61, the second torsion spring 33 is connected between the second rotating bar 32 and the first fixing frame 1, the second torsion spring 33 is used for driving the second rotating bar 32 to reset, the first fixing frame 1 is connected with a pair of second fixing bars 34, the two second fixing bars 34 are jointly and slidably connected with the sliding bar 35, the sliding bar 35 is in spacing fit with the second rotating bar 32, the sliding bar 35 is slidably connected with a pair of first sliding bars 36, the two first sliding bars 36 are jointly connected with the cutting knife 37, the cutting knife 37 is used for cutting off the rice noodles which fall downwards, two second return springs 38 are connected between the cutting knife 37 and the sliding strip 35, and the second return springs 38 are used for driving the cutting knife 37 to return.

The contraction mechanism 4 comprises a wedge-shaped frame 41, a second sliding rod 42, a wedge-shaped block 43 and a third return spring 44, the pair of wedge-shaped frames 41 are connected to the sliding strip 35 in a linked mode, the wedge-shaped frames 41 are used for pushing the wedge-shaped block 43 and an upper device of the wedge-shaped block to move towards the direction close to each other, the pair of second sliding rods 42 are connected to the first fixing frame 1 in a sliding mode, the wedge-shaped block 43 is connected to the second sliding rods 42 in a linked mode, the wedge-shaped block 43 is used for enabling rice flour needing to be cut to gather together, the wedge-shaped block 43 is in contact with the wedge-shaped frames 41, the third return spring 44 is connected between the wedge-shaped block 43 and the first fixing frame 1, and the third return spring 44 is used for driving the wedge-shaped block 43 to return.

The power storage mechanism 5 comprises a second fixing frame 51, a third fixing rod 52, a third sliding frame 53 and a fourth reset spring 54, a pair of second fixing frames 51 is connected to the sliding strip 35 in a coupling mode, the second fixing frame 51 is used for pushing the third sliding frame 53 to move downwards, a pair of third fixing rods 52 is connected to the first fixing frame 1 in a coupling mode, the third fixing rod 52 is connected with the third sliding frame 53 in a sliding mode, the third sliding frame 53 is used for limiting the cutting knife 37, the third sliding frame 53 is in contact with the cutting knife 37, the fourth reset spring 54 is connected between the third sliding frame 53 and the first fixing frame 1, and the fourth reset spring 54 is used for driving the third sliding frame 53 to reset.

Firstly, flour is arranged on a fixed frame 61, rice flour is enabled to be vertically conveyed downwards through a rectangular groove on one side of the fixed frame 61 through other blanking mechanisms, a motor 21 is controlled to be started manually, the motor 21 is started to drive a first rotating shaft 22 and an upper device thereof to rotate forwards, a first rotating strip 23 can push a first sliding frame 25 and the upper device thereof to move, a first return spring 28 is stretched accordingly, a rotating plate 26 can push one drying rod 211 and the upper device thereof to move, the rice flour falls onto one drying rod 211 at the moment, then the first rotating strip 23 is separated from the first sliding frame 25, the first sliding frame 25 is reset under the reset action of the first return spring 28, the rotating plate 26 is contacted with the other drying rod 211, the other drying rod 211 extrudes the rotating plate 26 to rotate, the first torsion spring 27 is compressed accordingly, then the other side of the rotating plate 26 is contacted with the other drying rod 211, another sunning pole 211 no longer extrudes rotor plate 26, and rotor plate 26 can reset under first torsion spring 27's reset action, then first rotating strip 23 other end can contact with first carriage 25, so reciprocal for rice flour is accepted continuously to sunning pole 211, is convenient for with the rice flour sunning on the sunning pole 211, thereby makes the course of working of rice flour more convenient and sanitary.

When the first rotating bar 23 is separated from the first sliding frame 25, the first rotating bar 23 will contact with the second rotating bar 32, the first rotating bar 23 will push the second rotating bar 32 to swing, the second torsion spring 33 will be compressed, the second rotating bar 32 will drive the sliding bar 35 to move towards the direction close to the fixing frame 61, the second return spring 38 will be compressed, at this time, the second return spring 38 stores elasticity, meanwhile, the second fixing frame 51 will push the third sliding frame 53 to move downwards, the fourth return spring 54 will be compressed, so that the third sliding frame 53 no longer limits the cutting knife 37, the cutting knife 37 will move towards the direction close to the fixing frame 61 under the action of the elasticity reset by the second return spring 38, so that the cutting knife 37 will cut the rice flour falling downwards, the cut rice flour will fall onto the airing rod 211 below the cutting knife 37, which is convenient for the subsequent processing of rice flour, when the first rotating strip 23 is separated from the second rotating strip 32, the second rotating strip 32 will be reset by the reset action of the second torsion spring 33, the second rotating strip 32 will drive the sliding strip 35 and the device thereon to reset, so that the second fixing frame 51 will not push the third sliding frame 53 any more, the third sliding frame 53 will be reset by the reset action of the fourth reset spring 54, and the third sliding frame 53 will limit the cutting knife 37 again.

When the sliding strip 35 and the upper device thereof move towards the direction close to the fixed frame 61, the wedge-shaped frame 41 can push the wedge-shaped block 43 and the upper device thereof to move towards the direction close to each other, the third return spring 44 can be stretched accordingly, the wedge-shaped block 43 can gather rice flour to be cut, the inclined plane on the rectangular groove on one side of the fixed frame 61 can also gather rice flour to be cut, rice flour can be prevented from being blown away when other equipment blows the rice flour to be cooled, further, the cutting knife 37 cannot be prevented from cutting the rice flour, when the sliding strip 35 and the upper device thereof reset, the wedge-shaped block 43 is not pushed by the wedge-shaped frame 41, and the wedge-shaped block 43 and the upper device thereof can reset under the resetting action of the third return spring 44.

Example 2

In addition to the embodiment 1, as shown in fig. 8, the powder coating device 6 is further included, the powder coating device 6 is disposed on the first fixing frame 1, the powder coating device 6 is used for intermittently scattering flour on the airing rod 211, the powder coating device 6 includes a fixing frame 61, a fourth fixing rod 62, a fourth sliding frame 63 and a fifth return spring 64, the fixing frame 61 is coupled to the first fixing frame 1, the fixing frame 61 is used for containing flour, one side of the fixing frame 61 is provided with a rectangular groove, the bottom of the fixing frame 61 is provided with seven circular holes which are distributed in a straight line, the fourth fixing rod 62 is coupled to one side of the fixing frame 61, the fourth sliding frame 63 is slidably connected to the fourth fixing rod 62, the fourth sliding frame 63 is used for blocking the circular holes on the fixing frame 61, the fourth sliding frame 63 is slidably matched with the fixing frame 61, the fourth sliding frame 63 is provided with seven circular holes, the circular holes on the fourth sliding frame 63 are arranged in a staggered way with the circular holes on the fixing frame 61, a small triangular block is arranged on one side of the fourth sliding frame 63, a fifth return spring 64 is connected between the fourth sliding frame 63 and the fixed frame 61, and the fifth return spring 64 is used for driving the fourth sliding frame 63 to return.

When one of the airing rods 211 and the upper device thereof move, the second sliding frame 29 contacts with the fourth sliding frame 63, the second sliding frame 29 pushes the fourth sliding frame 63 to move, the fifth return spring 64 is stretched accordingly, the round hole in the fourth sliding frame 63 corresponds to the round hole in the fixed frame 61, so that the fourth sliding frame 63 does not block the round hole in the fixed frame 61 any more, flour on the fixed frame 61 can be scattered onto one of the airing rods 211, and further adhesion of the rice flour can be prevented, when the second sliding frame 29 is separated from the fourth sliding frame 63, the fourth sliding frame 63 can be reset under the resetting action of the fifth return spring 64, so that the fourth sliding frame 63 blocks the round hole in the fixed frame 61 again, and the reciprocating operation is performed, so that the flour on the fixed frame 61 intermittently scatters onto each airing rod 211, and resource waste is avoided.

Finally, the motor 21 is manually controlled to be turned off, and the rice noodles can be continuously processed by repeating the operation.

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.

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