Disclosure of Invention
Aiming at the technical defects, the invention provides a dental cast plaster treatment processing device which can overcome the defects.
The invention relates to a dental cast gypsum processing device, which comprises a shell, wherein a discharging shell is fixedly arranged at the upper end of the shell, a discharging cavity is arranged in the discharging shell, a grinding cavity positioned at the lower end of the discharging cavity is arranged in the shell, a rotatable tenth rotating shaft is arranged in the grinding cavity, a fixed block is fixedly arranged on the inner wall of the upper end of the grinding cavity, the tenth rotating shaft penetrates through the fixed block, a positive thread is fixedly arranged at the front end of the fixed block, a second thread sleeve is arranged on the positive thread in a threaded connection manner and can move forwards and backwards, a first push rod is fixedly arranged at the lower end of the second thread sleeve, a second telescopic rod is rotatably arranged at the lower end of the second thread sleeve, the first push rod is fixedly arranged on the second telescopic rod, a first grinding blade is fixedly arranged at the rear end of the second telescopic rod, a reverse thread is fixedly arranged at the rear end of the fixed, a second push rod is fixedly arranged at the lower end of the first threaded sleeve, a first telescopic rod is rotatably arranged at the lower end of the first threaded sleeve, the second push rod is fixed on the first telescopic rod, a second grinding blade is fixedly arranged at the front end of the first telescopic rod, and when the tenth rotating shaft, the first telescopic rod and the second telescopic rod start to rotate, the second grinding blade and the first grinding blade are driven to move towards the middle through the reverse threads and the positive threads, so that gypsum is ground;
be equipped with in the casing and be located grind the filter chamber of chamber lower extreme, be equipped with the mechanism of rolling in the filter chamber, gypsum granule after the grinding is in grind the effect of mechanism and smash once more down, be equipped with in the casing and be located the transportation chamber of filter chamber lower extreme, be equipped with transport mechanism in the transportation chamber, gypsum powder after smashing the transportation of rolling under transport mechanism's the effect, transportation is rolled to the transportation, transportation chamber lower extreme intercommunication is equipped with the stirring chamber, be equipped with rabbling mechanism in the stirring chamber, gypsum powder is in rabbling mechanism's effect is stirred.
Further, it is equipped with including fixed to roll the mechanism the filter screen of filter chamber upper end, the rotatable fourteenth pivot that is equipped with of filter chamber lower extreme, the fixed bucket that rolls that is equipped with in fourteenth pivot front end, fourteenth pivot rear end is equipped with a plurality of tenth belt pulleys, and is a plurality of tenth belt pulley passes through eighth belt drive cooperation and connects, the fixed guide block that is equipped with between the wall before the filter chamber back, the guide block is located roll bucket upper end, the gypsum granule passes through the filter screen gets into extremely in the filter chamber, it is a plurality of smash once more under the effect of the bucket of rolling, under the effect of guide block, gypsum powder falls from both sides clearance flow.
Further, the transport mechanism including rotatable set up in the transmission shaft in the transportation chamber, be equipped with a plurality of helical blade on the transmission shaft, be equipped with in the casing and be located the grinding chamber of transportation chamber upper end, gypsum powder warp the grinding chamber flows in extremely in the transportation chamber the effect of turbine blade rolls down, transports extremely in the stirring chamber.
Further, rabbling mechanism including rotatable set up in seventh pivot in the stirring chamber, the seventh pivot can reciprocate, the fixed a plurality of stirring pieces that are equipped with in the seventh pivot, the fixed dog that is equipped with of seventh pivot lower extreme, be equipped with in the casing and be located the row material chamber of stirring chamber lower extreme, row material chamber lower extreme is fixed and is equipped with the detachable bin, be equipped with the storage chamber in the storage chamber.
Furthermore, a sixth gear is fixedly arranged at the upper end of the seventh rotating shaft, a seventh gear is arranged at the left end of the sixth gear in a meshed manner, a rack is arranged at the upper end of the sixth gear in a meshed manner, a sliding cavity is arranged at the upper end of the stirring cavity in the shell, the rack extends into the sliding cavity, a sliding rail is fixedly arranged at the right end of the sliding cavity, the rack slides up and down on the sliding rail, a fifth rotating shaft is rotatably arranged at the left end of the rack, a fifth half gear is fixedly arranged on the fifth rotating shaft, the fifth half gear is meshed with the rack, a fourth rotating shaft is rotatably arranged at the upper end of the fifth half gear, a fourth gear is fixedly arranged on the fourth rotating shaft and meshed with the rack, a spring cavity is arranged at the lower end of the sliding cavity, a spring is fixedly arranged at the lower end of the spring cavity, a buffer plate is fixedly arranged at the upper end of the spring, and when, and driving the fifth half gear to rotate so as to drive the rack to slide up and down, wherein when the rack moves upwards, the sixth gear is meshed with the seventh gear, and when the rack moves downwards, the sixth gear is not meshed with the seventh gear.
Further, a motor is fixedly arranged at the left end of the transmission shaft, a fourth gear is fixedly arranged on the transmission shaft, a third gear is meshed with the upper end of the fourth gear, a second rotating shaft is rotatably arranged at the upper end of the third gear, a twelfth belt pulley is fixedly arranged at the upper end of the second rotating shaft, a fourteenth belt pulley is fixedly arranged at the front end of the twelfth belt pulley, the fourteenth belt pulley is fixedly connected with the twelfth belt pulley through a tenth belt, an eleventh belt pulley is fixedly arranged at the right end of the fourteenth belt pulley, the eleventh belt pulley is in transmission fit connection with the fourteenth belt pulley through a ninth belt, a fifteenth rotating shaft is rotatably arranged at the upper end of the eleventh belt pulley, a sixteenth gear is fixedly arranged at the upper end of the fifteenth rotating shaft, a fifteenth gear is meshed with the rear end of the sixteenth gear, and a first rotating shaft is rotatably arranged at the rear end, the rear end of the first rotating shaft is provided with a plurality of rollers.
Further, a first belt pulley is fixedly arranged at the lower end of the twelfth belt pulley, a fifteenth belt pulley is fixedly arranged at the front end of the first belt pulley, the fifteenth belt pulley is connected with the first belt pulley in a transmission fit manner through a second belt, a thirteenth belt pulley is fixedly arranged at the right end of the fifteenth belt pulley, the thirteenth belt pulley is connected with the fifteenth belt pulley in a transmission fit manner through a first belt, a sixteenth rotating shaft is rotatably arranged at the upper end of the thirteenth belt pulley, a seventeenth gear is fixedly arranged at the upper end of the sixteenth rotating shaft, a tenth gear is meshed with the upper end of the seventeenth gear, an eleventh rotating shaft is rotatably arranged at the rear end of the tenth gear, and the eleventh rotating shaft extends into the first push rod.
Further, the eleventh rotating shaft is fixedly provided with a seventh belt pulley, the upper end of the seventh belt pulley is fixedly provided with a sixth belt pulley, the sixth belt pulley is connected with the seventh belt pulley in a transmission matching mode through a sixth belt, the sixth belt pulley is fixed at the front end of the tenth rotating shaft, the tenth rotating shaft is fixedly provided with a ninth gear, the upper end of the ninth gear is meshed with an eighth gear, the rear end of the eighth gear is rotatably provided with a ninth rotating shaft, the rear end of the ninth rotating shaft is fixedly provided with a fifth belt pulley, the lower end of the fifth belt pulley is fixedly provided with a fourth belt pulley, the fourth belt pulley is connected with the fifth belt pulley in a transmission matching mode through a fifth belt, the front end of the fourth belt pulley is rotatably provided with an eighth rotating shaft, and the eighth rotating shaft extends into the first telescopic rod.
Further, a second gear is fixedly arranged at the lower end of the first belt pulley, a first gear is meshed with the right end of the second gear, a third rotating shaft is rotatably arranged at the right end of the first gear, a fourteenth gear is fixedly arranged at the right end of the third rotating shaft, a thirteenth gear is meshed with the lower end of the fourteenth gear, and the thirteenth gear is fixed to the rear end of the fourteenth rotating shaft.
Further, a second belt pulley is fixedly arranged at the lower end of the second gear, a third belt pulley is fixedly arranged at the right end of the second belt pulley, the third belt pulley is connected with the second belt pulley in a transmission fit manner through a third belt, a sixth rotating shaft is rotatably arranged at the lower end of the third belt pulley, a seventh gear is fixedly arranged at the lower end of the sixth rotating shaft, a thirteenth rotating shaft is rotatably arranged at the rear end of the third belt pulley, a ninth belt pulley is fixedly arranged on the thirteenth rotating shaft, the ninth belt pulley is connected with the third belt pulley in a transmission fit manner through a fourth belt, an eighth belt pulley is fixedly arranged at the right end of the ninth belt pulley, the eighth belt pulley is connected with the ninth belt pulley in a transmission fit manner through a seventh belt, a twelfth rotating shaft is rotatably arranged at the upper end of the eighth belt pulley, and a twelfth gear is fixedly arranged at the upper end of the twelfth rotating, an eleventh gear is meshed with the front end of the twelfth gear and fixed to the rear end of the fifth rotating shaft.
The invention has the beneficial effects that: according to the invention, through the matching of the grinding mechanism, the rolling mechanism and the stirring mechanism, the raw materials are crushed in the device, the generation of polluted air in the crushing process is avoided, meanwhile, the crushed gypsum can be subjected to multistage crushing, the precision of the crushed powder is higher, and the gypsum can be stirred to prevent agglomeration.
Detailed Description
The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.
As shown in fig. 1-9, a dental cast gypsum processing device comprises a housing 10, a discharging housing 12 is fixedly disposed at the upper end of the housing 10, a discharging cavity 11 is disposed in the discharging housing 12, a grinding cavity 13 disposed at the lower end of the discharging cavity 11 is disposed in the housing 10, a rotatable tenth rotating shaft 67 is disposed in the grinding cavity 13, a fixed block 70 is fixedly disposed on the inner wall of the upper end of the grinding cavity 13, the tenth rotating shaft 67 penetrates through the fixed block 70, a positive thread 71 is fixedly disposed at the front end of the fixed block 70, a second thread bushing 72 is disposed on the positive thread 71 in a threaded connection manner and can move back and forth, a first push rod 16 is fixedly disposed at the lower end of the second thread bushing 72, a second telescopic rod 78 is rotatably disposed at the lower end of the second thread bushing 72, the first push rod 16 is fixed on the second telescopic rod 78, a first grinding blade 17 is fixedly disposed at the rear end of the second telescopic rod, a reverse thread 69 is fixedly arranged at the rear end of the fixing block 70, a first thread sleeve 68 is arranged on the reverse thread 69 in a threaded connection manner, the first thread sleeve can move back and forth, a second push rod 60 is fixedly arranged at the lower end of the first thread sleeve 68, a first telescopic rod 61 is rotatably arranged at the lower end of the first thread sleeve 68, the second push rod 60 is fixedly arranged on the first telescopic rod 61, a second grinding blade 59 is fixedly arranged at the front end of the first telescopic rod 61, and when the tenth rotating shaft 67, the first telescopic rod 61 and the second telescopic rod 78 start to rotate, the second grinding blade 59 and the first grinding blade 17 are driven to move towards the middle by the reverse thread 69 and the positive thread 71, so that gypsum grinding is realized;
be equipped with in the casing 10 and be located grinding chamber 23 of 13 lower extremes of chamber, be equipped with grinding mechanism 201 in the filter chamber 23, gypsum granule after grinding is in grind the effect of mechanism 201 and smash once more, be equipped with in the casing 10 and be located the transportation chamber 35 of filter chamber 23 lower extreme, be equipped with conveying mechanism 301 in the transportation chamber 35, gypsum powder after smashing the transportation is rolled the transportation under conveying mechanism 301's the effect, transportation chamber 35 lower extreme intercommunication is equipped with stirring chamber 54, be equipped with rabbling mechanism 401 in the stirring chamber 54, gypsum powder is in rabbling mechanism 401's effect is stirred.
Beneficially, the rolling mechanism 201 includes a filter screen 22 fixedly disposed at the upper end of the filter chamber 23, the lower end of the filter chamber 23 is rotatably disposed with a plurality of fourteenth rotating shafts 88, the front end of the fourteenth rotating shaft 88 is fixedly disposed with a rolling barrel 25, the rear end of the fourteenth rotating shaft 88 is disposed with a plurality of tenth belt pulleys 89, the plurality of tenth belt pulleys 89 are connected in a transmission fit manner through an eighth belt 92, a guide block 24 is fixedly disposed between the front and rear walls of the filter chamber 23, the guide block 24 is disposed at the upper end of the rolling barrel 25, gypsum particles enter the filter chamber 23 through the filter screen 22, are crushed again under the action of the plurality of rolling barrels 25, and gypsum powder flows down from gaps at both sides under the action of the guide block 24.
Advantageously, the transportation mechanism 301 comprises a transmission shaft 33 rotatably disposed in the transportation chamber 35, a plurality of helical blades 36 are disposed on the transmission shaft 33, a rolling chamber 102 is disposed in the housing 10 at the upper end of the transportation chamber 35, gypsum powder flows into the transportation chamber 35 through the rolling chamber 102, is rolled by the turbine blades 36, and is transported into the stirring chamber 54.
Advantageously, the stirring mechanism 401 includes a seventh rotating shaft 52 rotatably disposed in the stirring chamber 54, the seventh rotating shaft 52 is movable up and down, a plurality of stirring blocks 53 are fixedly disposed on the seventh rotating shaft 52, a stopper 55 is fixedly disposed at a lower end of the seventh rotating shaft 52, a discharging chamber 56 disposed at a lower end of the stirring chamber 54 is disposed in the casing 10, a detachable storage box 57 is fixedly disposed at a lower end of the discharging chamber 56, and a storage chamber 58 is disposed in the storage box 57.
Advantageously, a sixth gear 50 is fixedly arranged at the upper end of the seventh rotating shaft 52, a seventh gear 51 is arranged at the left end of the sixth gear 50 in a meshed manner, a rack 39 is arranged at the upper end of the sixth gear 50 in a meshed manner, a sliding cavity 38 located at the upper end of the stirring cavity 54 is arranged in the casing 10, the rack 39 extends into the sliding cavity 38, a slide rail 37 is fixedly arranged at the right end of the sliding cavity 38, the rack 39 slides up and down on the slide rail 37, a fifth rotating shaft 43 is rotatably arranged at the left end of the rack 39, a fifth half gear 42 is fixedly arranged on the fifth rotating shaft 43, the fifth half gear 42 is meshed with the rack 39, a fourth rotating shaft 40 is rotatably arranged at the upper end of the fifth half gear 42, a fourth gear 41 is fixedly arranged on the fourth rotating shaft 40, the fourth gear 41 is meshed with the rack 39, a spring cavity 45 is arranged at the lower end of the sliding cavity 38, a spring 46 is fixedly arranged at the lower end, a buffer plate 44 is fixedly disposed at an upper end of the spring 46, when the fifth rotating shaft 43 starts to rotate, the fifth half gear 42 is driven to rotate, so as to drive the rack 39 to slide up and down, when the rack 39 moves upward, the sixth gear 50 is engaged with the seventh gear 51, and when the rack 39 moves downward, the sixth gear 50 is not engaged with the seventh gear 51.
Beneficially, the motor 32 is fixed at the left end of the transmission shaft 33, the fourth gear 34 is fixed on the transmission shaft 33, the third gear 31 is engaged with the upper end of the fourth gear 34, the second rotating shaft 21 is rotatably arranged at the upper end of the third gear 31, the twelfth belt pulley 98 is fixed at the upper end of the second rotating shaft 21, the fourteenth belt pulley 103 is fixed at the front end of the twelfth belt pulley 98, the fourteenth belt pulley 103 is connected with the twelfth belt pulley 98 in a transmission fit manner through a tenth belt 104, the eleventh belt pulley 96 is fixed at the right end of the fourteenth belt pulley 103, the eleventh belt pulley 96 is connected with the fourteenth belt pulley 103 in a transmission fit manner through a ninth belt 97, the fifteenth rotating shaft 95 is rotatably arranged at the upper end of the eleventh belt pulley 96, the sixteenth gear 94 is fixed at the upper end of the fifteenth rotating shaft 95, and the fifteenth gear 93 is engaged with the rear end of the sixteenth gear, a first rotating shaft 14 is rotatably provided at the rear end of the fifteenth gear 93, and a plurality of rollers 15 are provided at the rear end of the first rotating shaft 14.
Beneficially, a first belt pulley 19 is fixedly arranged at the lower end of the twelfth belt pulley 98, a fifteenth belt pulley 105 is fixedly arranged at the front end of the first belt pulley 19, the fifteenth belt pulley 105 is fixedly connected with the first belt pulley 19 through a second belt 20, a thirteenth belt pulley 101 is fixedly arranged at the right end of the fifteenth belt pulley 105, the thirteenth belt pulley 101 is connected with the fifteenth belt pulley 105 through a first belt 18 in a transmission fit manner, a sixteenth rotating shaft 100 is rotatably arranged at the upper end of the thirteenth belt pulley 101, a seventeenth gear 99 is fixedly arranged at the upper end of the sixteenth rotating shaft 100, a tenth gear 80 is meshed with the upper end of the seventeenth gear 99, an eleventh rotating shaft 79 is rotatably arranged at the rear end of the tenth gear 80, and the eleventh rotating shaft 79 extends into the first push rod 16.
Advantageously, a seventh belt pulley 77 is fixedly arranged on the eleventh rotating shaft 79, a sixth belt pulley 75 is fixedly arranged at the upper end of the seventh belt pulley 77, the sixth belt pulley 75 is connected with the seventh belt pulley 77 in a transmission fit manner through a sixth belt 76, the sixth pulley 75 is fixed at the front end of the tenth rotating shaft 67, a ninth gear 74 is fixed on the tenth rotating shaft 67, an eighth gear 73 is engaged with the upper end of the ninth gear 74, a ninth rotating shaft 66 is rotatably arranged at the rear end of the eighth gear 73, a fifth belt pulley 65 is fixedly arranged at the rear end of the ninth rotating shaft 66, a fourth belt pulley 63 is fixedly arranged at the lower end of the fifth belt pulley 65, the fourth belt pulley 63 is in transmission fit connection with the fifth belt pulley 65 through a fifth belt 64, the front end of the fourth belt pulley 63 is rotatably provided with an eighth rotating shaft 62, and the eighth rotating shaft 62 extends into the first telescopic rod 61.
Advantageously, the lower end of the first belt pulley 19 is fixedly provided with a second gear 27, the right end of the second gear 27 is engaged with a first gear 26, the right end of the first gear 26 is rotatably provided with a third rotating shaft 28, the right end of the third rotating shaft 28 is fixedly provided with a fourteenth gear 91, the lower end of the fourteenth gear 91 is engaged with a thirteenth gear 90, and the thirteenth gear 90 is fixed on the rear end of the fourteenth rotating shaft 88.
Beneficially, a second belt pulley 29 is fixedly arranged at the lower end of the second gear 27, a third belt pulley 48 is fixedly arranged at the right end of the second belt pulley 29, the third belt pulley 48 is connected with the second belt pulley 29 in a transmission fit manner through a third belt 30, a sixth rotating shaft 49 is rotatably arranged at the lower end of the third belt pulley 48, a seventh gear 51 is fixedly arranged at the lower end of the sixth rotating shaft 49, a thirteenth rotating shaft 87 is rotatably arranged at the rear end of the third belt pulley 48, a ninth belt pulley 86 is fixedly arranged on the thirteenth rotating shaft 87, the ninth belt pulley 86 is connected with the third belt pulley 48 in a transmission fit manner through a fourth belt 47, an eighth belt pulley 83 is fixedly arranged at the right end of the ninth belt pulley 86, the eighth belt pulley 83 is connected with the ninth belt pulley 86 in a transmission fit manner through a seventh belt 85, and a twelfth rotating shaft 84 is rotatably arranged at the upper end of the eighth belt pulley 83, a twelfth gear 82 is fixedly arranged at the upper end of the twelfth rotating shaft 84, an eleventh gear 81 is meshed with the front end of the twelfth gear 82, and the eleventh gear 81 is fixed at the rear end of the fifth rotating shaft 43.
The implementation method of the dental cast plaster treatment processing device comprises the following steps:
in the initial state of the present invention, the spring 46 is not elastically deformed;
1. starting the motor 32, and putting the gypsum into the feeding cavity 11;
2. the motor 32 drives the transmission shaft 33 to rotate, the transmission shaft 33 drives the fourth gear 34 to rotate, the fourth gear 34 drives the third gear 31 to rotate, the third gear 31 drives the second rotating shaft 21 to rotate, the second rotating shaft 21 drives the twelfth belt pulley 98 to rotate, the twelfth belt pulley 98 drives the fourteenth belt pulley 103 to rotate through the tenth belt 104, the fourteenth belt pulley 103 drives the eleventh belt pulley 96 to rotate through the ninth belt 97, the eleventh belt pulley 96 drives the fifteenth rotating shaft 95 to rotate, the fifteenth rotating shaft 95 drives the sixteenth gear 94 to rotate, the sixteenth gear 94 drives the fifteenth gear 93 to rotate, the fifteenth gear 93 drives the first rotating shaft 14 to rotate, the first rotating shaft 14 drives the rollers 15 to rotate, and gypsum transportation is realized;
3. the second rotating shaft 21 drives the first belt pulley 19 to rotate, the first belt pulley 19 drives the fifteenth belt pulley 105 to rotate through the second belt 20, the fifteenth belt pulley 105 drives the thirteenth belt pulley 101 to rotate through the first belt 18, the thirteenth belt pulley 101 drives the sixteenth rotating shaft 100 to rotate, the sixteenth rotating shaft 100 drives the seventeenth gear 99 to rotate, the seventeenth gear 99 drives the tenth gear 80 to rotate, the tenth gear 80 drives the eleventh rotating shaft 79 to rotate, the eleventh rotating shaft 79 drives the seventh belt pulley 77 to rotate, the seventh belt pulley 77 drives the sixth belt pulley 75 to rotate through the sixth belt 76, and the sixth belt pulley 75 drives the tenth rotating shaft 67 to rotate;
4. tenth pivot 67 drives ninth gear 74 and rotates, and ninth gear 74 drives eighth gear 73 and rotates, and eighth gear 73 drives ninth pivot 66 and rotates, and ninth pivot 66 drives fifth belt pulley 65 and rotates, and fifth belt pulley 65 drives fourth belt pulley 63 through fifth belt 64 and rotates, and fourth belt pulley 63 drives eighth pivot 62 and rotates, and second grinding blade 59, first grinding blade 17 move to the centre this moment, realize grinding the gypsum.
5. The second rotating shaft 21 drives the second gear 27 to rotate, the second gear 27 drives the first gear 26 to rotate, the first gear 26 drives the third rotating shaft 28 to rotate, the third rotating shaft 28 drives the fourteenth gear 91 to rotate, the fourteenth gear 91 drives the thirteenth gear 90 to rotate, the thirteenth gear 90 drives the fourteenth rotating shaft 88 to rotate, the fourteenth rotating shaft 88 drives the tenth belt pulley 89 to rotate, the eighth belts 92 drive the rolling barrels 25 to rotate, and the secondary crushing is realized;
6. the second shaft 21 drives the second belt pulley 29 to rotate, the second belt pulley 29 drives the third belt pulley 48 to rotate through the third belt 30, the third belt pulley 48 drives the sixth shaft 49 to rotate, the sixth shaft 49 drives the seventh gear 51 to rotate, the third belt pulley 48 drives the ninth belt pulley 86 to rotate through the fourth belt 47, the ninth belt pulley 86 drives the eighth belt pulley 83 to rotate through the seventh belt 85, the eighth belt pulley 83 drives the twelfth shaft 84 to rotate, the twelfth shaft 84 drives the twelfth gear 82 to rotate, the twelfth gear 82 drives the eleventh gear 81 to rotate, the eleventh gear 81 drives the fifth shaft 43 to rotate, the fifth shaft 43 drives the fifth half gear 42 to rotate, the fifth half gear 42 drives the rack 39 to slide up and down, when the fifth half gear 42 is meshed with the rack 39, the rack 39 is driven to move up, at this time, the sixth gear 50 is meshed with the seventh gear 51, stirring gypsum powder is realized, when the fifth half gear 42 is not meshed with the rack 39, the rack 39 moves downwards, and the stirring cavity 54 is communicated with the discharging cavity 56 to realize discharging;
7. the transmission shaft 33 drives the turbine blades 36 to rotate, gypsum powder flowing into the conveying cavity 35 from the grinding cavity 102 is ground and conveyed into the stirring cavity 54 to be stirred, and the stirred gypsum powder flows into the storage cavity 58 to be stored.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.