Device for conveying, detecting and grading flowers
阅读说明:本技术 一种用于鲜花输送检测分级的装置 (Device for conveying, detecting and grading flowers ) 是由 王岩松 和江镇 方志斌 丁德宽 黄天星 于 2019-11-29 设计创作,主要内容包括:本发明涉及农产品加工机械技术领域,尤其是一种用于鲜花输送检测分级的装置,低速载具接料输送模组将上料分单模组分单好的鲜花传送至高速载具运行模组,高速载具运行模组将鲜花传送至视觉检测与杀菌模组进行影像检测和杀菌,影像检测杀菌后的鲜花通过高速载具运行模组继续输送至相对应等级的推料模组的前端,推料模组将鲜花推入分仓模组完成检测分级,由鲜花分单结构,在将有规则单个鲜花依次送入低速的载具,将载有鲜花的载具提升,进行检测,杀菌,然后再进行分级,解放生产力,降低劳动强度,提高生产效率,整线的运行理论上只需要2人。(The invention relates to the technical field of agricultural product processing machinery, in particular to a device for fresh flower conveying, detection and grading, wherein a low-speed carrier material receiving and conveying module conveys fresh flowers which are well separated by a material feeding and separating module to a high-speed carrier operation module, the high-speed carrier operation module conveys the fresh flowers to a visual detection and sterilization module for image detection and sterilization, the fresh flowers after image detection and sterilization are continuously conveyed to the front end of a material pushing module of a corresponding grade through the high-speed carrier operation module, the material pushing module pushes the fresh flowers into a separating module to complete detection and grading, and the fresh flowers are sequentially conveyed to low-speed carriers through a fresh flower separating structure, so that the carriers carrying the fresh flowers are lifted, detected and sterilized, then grading is carried out, the productivity is liberated, the labor intensity is reduced, the production efficiency is improved, and the operation of the whole line theoretically only needs 2 persons.)
1. The utility model provides a device that is used for flower to carry to detect hierarchical which characterized in that: comprises a conveying frame assembly (45) and a bin dividing module (46) arranged in parallel with the conveying frame assembly (45), wherein a guide assembly (63) for guiding a carrier assembly (55) is erected at the edge of the conveying frame assembly (45) through a support frame, a support plate (64) is arranged at the lower end of the guide assembly (63), a low-speed carrier receiving and conveying module (47) is arranged on the working plate surface of the conveying frame assembly (45), a high-speed carrier running module (48) is arranged at the edge of the working surface of the conveying frame assembly (45) close to the guide assembly (63), the low-speed carrier receiving and conveying module (47) and the high-speed carrier running module (48) form a carrier circulating line, a plurality of feeding and sorting modules (49) for sorting fresh flowers and ensuring equal distance sorting are arranged at one side of the conveying frame assembly (1), and a material pushing module (51) for pushing the fresh flowers into the bin dividing module (46) is arranged at the support plate (64) at the other, a visual detection and sterilization module (50) for detecting and sterilizing the flower length and the flower petal openness is arranged at the end part of the conveying frame assembly (45) far away from the feeding and sorting module (49),
the low-speed carrier material receiving and conveying module (47) conveys fresh flowers which are well sorted by the material loading and sorting module (49) to the high-speed carrier operation module (48), the high-speed carrier operation module (48) conveys the fresh flowers to the visual detection and sterilization module (50) for image detection and sterilization, the fresh flowers after image detection and sterilization are continuously conveyed to the front end of the material pushing module (51) at the corresponding grade through the high-speed carrier operation module (48), and the material pushing module (51) pushes the fresh flowers into the bin dividing module (46) to complete detection and grading.
2. The device for flower transport detection grading of claim 1, characterized by: the feeding and sorting module (49) comprises a motor support (6) and a sorting support, a discharging and storing module (3) for storing fresh flowers is fixedly installed on the sorting support, a first material shifting assembly (4) and a second material shifting assembly (5) for performing sorting and material shifting on the fresh flowers are arranged on the discharging and storing module (3), a sorting power assembly (2) for providing power for the discharging and storing module (3) is fixedly installed on the motor support (6), the sorting power assembly (2) drives the first material shifting assembly (4) and the second material shifting assembly (5) to move simultaneously, the first single dividing pusher dog (15) arranged in the first material shifting assembly (4) and the second single dividing pusher dog (30) arranged in the second material shifting assembly (5) are arranged in a phase difference mode, and the first single dividing pusher dog (15) and the second single dividing pusher dog (30) are alternately inserted into the root of a flower to enable the flower to move and divide the flower and transport the flower to the low-speed carrier material receiving and conveying module (47) at equal intervals.
3. The device for flower transport detection grading of claim 1, characterized by: low-speed carrier connect material to carry module (47) including carrier subassembly (52), low-speed chain (53), low-speed drive assembly (54) and low-speed sprocket group (55), be connected through low-speed chain (53) between low-speed drive assembly (54) and low-speed sprocket group (55), be equipped with on low-speed chain (53) and install carrier subassembly (52) through directly linking up the carrier subassembly, gear motor (7) are connected and drive its rotation through hold-in range and low-speed drive assembly (54), low-speed drive assembly (54) drive low-speed chain (53) and rotate and then drive the flower after the branch list and transmit to high-speed carrier operation module (48).
4. The device for flower transport detection grading of claim 1, characterized by: the high-speed carrier operation module (48) comprises a large chain wheel assembly (65) and a first tensioning chain wheel (67) which are arranged on working panels at two ends of the conveyor frame assembly (45), a bottom tensioning idle wheel (66) arranged at the lower end of the low-speed chain wheel assembly (55) and a second tensioning chain wheel (68) arranged at the lower end of the low-speed transmission assembly (54), wherein high-speed chains (69) matched with the two large chain wheel assemblies (65), the first tensioning chain wheel (67), the bottom tensioning idle wheel (66) and the second tensioning chain wheel (68) are arranged on the two large chain wheel assemblies (65),
and the high-speed chain (69) and the low-speed chain (53) are both provided with a high-speed chain pusher dog and a low-speed chain pusher dog which are used for connecting the carrier assembly (52) at the joint of the low-speed chain (53) and the high-speed chain (69), and the high-speed chain pusher dog and the low-speed chain pusher dog are arranged in a staggered manner.
5. The device for flower transport detection grading of claim 1, characterized by: the material pushing module (51) comprises a bin dividing cylinder (56) fixedly mounted on the side edge of the conveying frame assembly (1), a bin dividing push plate (57) is arranged at the extending end of the bin dividing cylinder (56), and bin dividing guide columns (58) are arranged on two side edges of the bin dividing push plate (57).
6. The device for flower transport detection grading of claim 1, characterized by: divide storehouse module (46) including a plurality of row material support base (59), adjacent row material is connected through arranging material strut frame (60) between support base (59), arrange to be equipped with on row material strut frame (60) and arrange in proper order and have a plurality of flowers collection component (61) that are used for collecting the corresponding grade of flower, flower collection component (61) feed inlet just sets up root to the flower collection component (61) of guaranteeing the flower to branch storehouse push pedal (57), arrange still to be equipped with on material strut frame (60) and be used for with the flower vibrations and slide vibrations motor (62) in flower collection component (61).
7. A device for flower transport detection grading according to claim 2, characterized in that: blowing storage module (3) including first flitch (11) and second flitch (12) of going up, form between first flitch (11) and the second flitch of going up (12) and put into the storage die cavity (14) of flower, first flitch (11) of going up and second go up and form an organic whole through connecting plate (13) of establishing on it between flitch (12).
8. A device for flower transport detection grading according to claim 2, characterized in that: divide single power component (2) including fixing gear motor (7) and first drive gear group (8) on motor support (6), the output of gear motor (7) passes through the hold-in range and is connected and drive first drive gear group (8) and rotate with first drive gear group (8), be equipped with second drive gear group (9) on first flitch (11), be equipped with third drive gear group (10) on second flitch (12), first drive gear group (8) are connected and transmit power through hold-in range and second drive gear group (9), be connected through the hold-in range between second drive gear group (9) and third drive gear group (10), one side of second drive gear group (9) is equipped with rather than meshing and drives pivoted and exempts from key synchronizing wheel (21), it pushes away colored piece (22) to be equipped with off-centre on-centre and push away between colored piece (22) and the flower inserting sideslip slider (17) and push away colored subassembly.
9. A device for flower transport detection grading according to claim 2, characterized in that: the flower arranging device is characterized in that the first material shifting assembly (4) and the second material shifting assembly (5) are symmetrically arranged, the first material shifting assembly (4) and the second material shifting assembly (5) respectively comprise a single shifting claw and a long linear slide rail (16) fixed on the bottom surface of the first upper plate (11), a flower inserting transverse slide block (17) is connected onto the long linear slide rail (16) through a long linear slide block and reciprocates on the long linear slide rail (16), a short linear slide rail (18) perpendicular to the long linear slide rail (16) is arranged on the flower inserting transverse slide block (17), a spring blocking block (19) located on one side of the short linear slide rail (18) is arranged on the flower inserting transverse slide block (17), a short linear slide block matched with the short linear slide block is arranged on the short linear slide block, the single shifting claw is fixed on the short linear slide block, and an eccentric flower pushing assembly is further arranged on the single shifting claw and drives the single shifting claw to perform reciprocating motion along the flow direction of fresh flowers and the flow direction perpendicular to the fresh flowers through the eccentric flower pushing assembly.
10. The device for flower transport detection grading of claim 7, characterized in that: the low-speed transmission assembly (54) comprises a guide bar fixing block (31) and a low-speed driving cover plate (33) fixedly mounted on the guide bar fixing block (31) and the guide bar transverse plate fixing block (32), a low-speed chain set, a secondary speed reduction driving set and a high-speed driving set are arranged between the low-speed driving cover plate (33) and the conveyor frame assembly (1), the low-speed chain set drives the secondary speed reduction driving set to rotate through gear engagement, and the secondary speed reduction driving set is connected with the high-speed driving set through a synchronous belt and drives the high-speed driving set to rotate;
the low-speed chain set comprises a low-speed driving shaft (34), a low-speed gear (35) and a low-speed chain wheel (36) are sequentially sleeved on the low-speed driving shaft (34) from top to bottom and are both positioned at the lower end of the low-speed driving cover plate (33), and the low-speed chain wheel (36) is connected with the low-speed chain wheel set (55) through a low-speed chain (53);
the secondary speed reduction driving set comprises a secondary speed reduction driving shaft (37), a secondary speed reduction key-free synchronous belt pulley (38) is installed on the secondary speed reduction driving shaft (37) at the upper end of the low-speed driving cover plate (33), and a secondary speed reduction gear (39) meshed with the low-speed gear (35) is installed on the secondary speed reduction driving shaft (37) at the lower end of the low-speed driving cover plate (33);
the high-speed driving group comprises a high-speed driving shaft (40), a high-speed synchronizing wheel (41) is arranged on the high-speed driving shaft (40) at the upper end of the low-speed driving cover plate (33), a high-speed chain wheel (42) and a motor synchronizing belt wheel (43) are sequentially arranged on the high-speed driving shaft (40) at the lower end of the low-speed driving cover plate (33) from top to bottom,
the secondary speed-reducing key-free synchronous pulley (38) is connected with the high-speed synchronous wheel (41) through a synchronous belt, and a low-speed transmission tensioning assembly (44) for tensioning the synchronous belt is arranged on a low-speed driving cover plate (33) between the secondary speed-reducing key-free synchronous pulley (38) and the high-speed synchronous wheel (41).
Technical Field
The invention relates to the technical field of agricultural product processing machinery, in particular to a device for fresh flower conveying, detection and grading.
Background
Fresh flowers (roses and Chinese roses) are not only spices, but also raw materials or ingredients of smoked tea, wine brewing, food and medicines, and have wide application range and high economic value. In actual production, to realize the flow process of big flower automatic identification in batches, go out from the flower heap single flower at first need, this operation all adopts artifical material loading to detect the sorting method at present, all is artifical manual inspection, needs 5 people to accomplish, wastes time and energy, and the amount of labour is big, and the cost of labor is high moreover, and is efficient.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the device for conveying, detecting and grading fresh flowers is used for on-line use and independent use of fresh flower feeding, detecting and sorting based on the labor intensity of a customer site, the compatibility and stability of products, maintenance cost and the like.
The technical scheme adopted by the invention for solving the technical problems is as follows: a device for flower conveying, detecting and grading comprises a conveying frame assembly and a warehouse dividing module arranged in parallel with the conveying frame assembly, wherein a guide assembly for guiding the carrier assembly is erected at the edge of the conveying frame assembly through a support frame, a support plate is arranged at the lower end of the guide assembly, a low-speed carrier receiving and conveying module is arranged on the working surface of the conveying frame assembly, a high-speed carrier running module is arranged at the edge of the working surface of the conveying frame assembly close to the guide assembly, the low-speed carrier receiving and conveying module and the high-speed carrier running module form a carrier circulating line, a plurality of feeding and sorting modules for sorting flowers and ensuring equal-distance sorting are arranged on one side edge of the conveying frame assembly, a support plate on the other side edge of the conveying frame assembly is provided with a flower pushing module for pushing flowers into the warehouse dividing module, and a visual detection and sterilization module for detecting and sterilizing the flower length and petal openness is arranged at the end part of the conveying, the low-speed carrier connects the material to carry the module to divide the good flower of single module to convey to high-speed carrier operation module with the material loading, and high-speed carrier operation module conveys the flower to visual detection and the module that disinfects carries out image detection and disinfects, and the flower that the image detected after disinfecting passes through high-speed carrier operation module and continues to carry to the front end that pushes away the material module of corresponding grade, pushes away the material module and pushes the flower into and divide the storehouse module to accomplish to detect and grade.
Further, material loading divides single module to include motor support and sequencing support, and fixed mounting has the blowing storage module that stores the flower on the sequencing support, is equipped with on the blowing storage module and divides first group material subassembly and the second group material subassembly that singly dials the material to the flower, and fixed mounting has the branch single power module that provides power to blowing storage module on the motor support, divides single power module to drive first group material subassembly and second group material subassembly action simultaneously, first branch single pusher dog that has in the first group material subassembly and the second divides single pusher dog in the second group material subassembly to be the phase difference setting, and first branch single pusher dog and second divide single pusher dog to insert in turn that the flower root makes the flower remove, divide single and with the equidistant transportation of flower to low-speed carrier material receiving transport module.
Further, the low-speed carrier connects material to carry the module to include carrier subassembly, low-speed chain, low-speed drive assembly and low-speed sprocket group, be connected through low-speed chain between low-speed drive assembly and the low-speed sprocket group, be equipped with on the low-speed chain and install the carrier subassembly through directly linking up the carrier subassembly, gear motor passes through the hold-in range and is connected with low-speed drive assembly and drive its rotation, and low-speed drive assembly drives the rotation of low-speed chain and then drives the flower after the branch list and transmit to high-speed carrier operation module.
Furthermore, the high-speed carrier operation module comprises a large chain wheel component and a first tensioning chain wheel which are arranged on working panels at two ends of the conveyor frame component, a bottom tensioning idler wheel arranged at the lower end of the low-speed chain wheel component and a second tensioning chain wheel arranged at the lower end of the low-speed transmission component, wherein high-speed chains matched with the two large chain wheel components, the first tensioning chain wheel, the bottom tensioning idler wheel and the second tensioning chain wheel are arranged on the two large chain wheel components, the first tensioning chain wheel, the bottom tensioning,
all be equipped with high-speed chain pusher dog and the low-speed chain pusher dog that hands over the carrier subassembly in low-speed chain and high-speed chain handing-over department on high-speed chain and the low-speed chain, high-speed chain pusher dog and low-speed chain pusher dog are the setting of staggering of height.
Further, it includes the branch storehouse cylinder of fixed mounting on carriage subassembly side to push away the material module, the end that stretches out of branch storehouse cylinder is equipped with the branch storehouse push pedal, and the both sides limit of branch storehouse push pedal all is equipped with the branch storehouse guide post.
Further, the branch storehouse module includes a plurality of row material support bases, and adjacent row material is connected through arranging material strut frame between the support base, arranges the flower collection subassembly that is equipped with in proper order to arrange in proper order and has a plurality of corresponding grades of flower on arranging material strut frame, and the flower collection subassembly feed inlet is just to arranging root to the flower collection subassembly of guaranteeing the flower to the branch storehouse push pedal setting, arranges still to be equipped with on the material strut frame to be used for with the flower vibrations the shock dynamo that slides in the flower collection subassembly.
Furthermore, blowing storage module includes first flitch and second flitch of going up, form the storage die cavity of putting into the flower between first flitch and the second flitch of going up, form integratively through the connecting plate of establishing on it between first flitch and the second flitch of going up.
Further, divide single power component to include gear motor and the first transmission gear group of fixing on the motor support, gear motor's output passes through the hold-in range and is connected with first transmission gear group and drive first transmission gear group and rotate, be equipped with second transmission gear group on the first flitch, be equipped with third transmission gear group on the second flitch, first transmission gear group passes through the hold-in range and is connected with second transmission gear group and transmit power, be connected through the hold-in range between second transmission gear group and the third transmission gear group, one side of second transmission gear group is equipped with rather than meshing and drives pivoted and exempts from key synchronizing wheel, be equipped with eccentric flower pushing block on the exempts from key synchronizing wheel, be equipped with eccentric flower pushing block between eccentric flower pushing block and the flower inserting sideslip slider.
Furthermore, the first material shifting assembly and the second material shifting assembly are symmetrically arranged, the first material shifting assembly and the second material shifting assembly respectively comprise a single-dividing shifting claw and a long linear slide rail fixed on the bottom surface of the first feeding plate, a flower arrangement transverse slide block is connected to the long linear slide rail through the long linear slide rail and reciprocates on the long linear slide rail, a short linear slide rail perpendicular to the long linear slide rail is arranged on the flower arrangement transverse slide block, a spring blocking block located on one side of the short linear slide rail is arranged on the flower arrangement transverse slide block, a short linear slide block matched with the short linear slide rail is arranged on the short linear slide rail, a single-dividing shifting claw is fixed on the short linear slide block, and an eccentric flower pushing assembly is further arranged on the single-dividing shifting claw and drives the single-dividing shifting claw to perform reciprocating motion of dividing and shifting fresh flowers along the flower flow direction and the flower vertical flow direction through the eccentric flower pushing assembly.
Further, the low-speed transmission assembly comprises a guide bar fixing block and a low-speed driving cover plate fixedly mounted on the guide bar fixing block and the guide bar transverse plate fixing block, a low-speed chain group, a secondary speed reduction driving group and a high-speed driving group are arranged between the low-speed driving cover plate and the conveyor frame assembly, the low-speed chain group drives the secondary speed reduction driving group to rotate through gear engagement, and the secondary speed reduction driving group is connected with the high-speed driving group through a synchronous belt and drives the high-speed driving group to rotate;
the low-speed chain group comprises a low-speed driving shaft, a low-speed gear and a low-speed chain wheel are sequentially sleeved on the low-speed driving shaft from top to bottom and are both positioned at the lower end of the low-speed driving cover plate, and the low-speed chain wheel is connected with the low-speed chain wheel group through a low-speed chain; the secondary speed reduction driving set comprises a secondary speed reduction driving shaft, a secondary speed reduction key-free synchronous belt pulley is arranged on the secondary speed reduction driving shaft at the upper end of the low-speed driving cover plate, and a secondary speed reduction gear meshed with the low-speed gear is arranged on the secondary speed reduction driving shaft at the lower end of the low-speed driving cover plate; the high-speed drive group comprises a high-speed drive shaft, a high-speed synchronizing wheel is installed on the high-speed drive shaft at the upper end of the low-speed drive cover plate, a high-speed chain wheel and a motor synchronous belt wheel are sequentially installed on the high-speed drive shaft at the lower end of the low-speed drive cover plate from top to bottom, the secondary speed reduction is free of a key synchronous belt wheel and is connected with the high-speed synchronizing wheel through a synchronous belt, and the low-speed drive tension assembly used for tensioning the synchronous belt is arranged on the low-speed drive cover.
The invention has the beneficial effects that: the invention adopts a flower sorting structure, regularly and individually sends flowers into low-speed carriers in sequence, lifts the carriers loaded with the flowers, detects, sterilizes and then grades, thereby liberating productivity, reducing labor intensity, improving production efficiency and theoretically requiring only 2 persons for the operation of the whole line.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a schematic structural diagram of a preferred embodiment of the present invention;
FIG. 4 is a rear view of the present invention;
FIG. 5 is a schematic structural view of a single power assembly of the present invention;
FIG. 6 is a schematic structural diagram of a discharging and storing module according to the present invention;
FIG. 7 is a schematic structural view of a first kick-out assembly of the present invention;
FIG. 8 is a rear view of the first pusher assembly of the present invention with the single minute finger removed;
FIG. 9 is a schematic structural view of a second stripping assembly according to the present invention;
FIG. 10 is a perspective view of the second pusher assembly of the present invention with the single minute finger removed;
FIG. 11 is a rear view of the second pusher assembly of the present invention with the single minute finger removed;
fig. 12 is a schematic structural view of a low-speed carrier receiving and conveying module according to the present invention;
FIG. 13 is a schematic view of the structure at A of the present invention;
FIG. 14 is a schematic representation of the construction of the low speed drive assembly of the present invention;
FIG. 15 is a schematic view of the low speed chain and high speed chain junction of the low speed drive assembly of the present invention;
FIG. 16 is a schematic view of the interface between the low speed chain and the high speed chain according to the present invention;
FIG. 17 is a schematic structural view of a material pushing module according to the present invention;
FIG. 18 is a schematic view of the structure of the binning module of the present invention.
In the figure: 2. the device comprises a single-component power assembly, 3, a discharging and storing module, 4, a first material shifting assembly, 5, a second material shifting assembly, 6, a motor support, 7, a speed reducing motor, 8, a first transmission gear set, 9, a second transmission gear set, 10, a third transmission gear set, 11, a first feeding plate, 12, a second feeding plate, 13, a connecting plate, 14, a storing cavity, 15, a first single-component shifting claw, 16, a long linear sliding rail, 17, a flower arrangement transverse sliding block, 18, a short linear sliding rail, 19, a spring blocking block, 20, a spring limiting block, 21, a key-free synchronizing wheel, 22, an eccentric flower pushing block, 23, a driving arm, 24, a limiting wheel, 25, a limiting groove, 26, a limiting hole, 27, a limiting flower arrangement driving block, 29, a door hole, 30, a second single-component shifting claw, 31, a guide strip fixing block, 32, a guide strip transverse plate, 33, a low-speed driving cover plate and 34, a low-speed driving block, 35. low-speed gear, 36 low-speed chain wheel, 37 secondary speed-reducing driving shaft, 38 secondary speed-reducing non-key synchronous belt wheel, 39 secondary speed-reducing gear, 40 high-speed driving shaft, 41 high-speed synchronous wheel, 42 high-speed chain wheel, 43 motor synchronous belt wheel, 44 low-speed transmission tensioning component, 45 conveying frame component, 46 bin-dividing module, 47 low-speed carrier material-receiving conveying module, 48 high-speed carrier running module, 49 material-loading and single-dividing module, 50 visual detection and sterilization module, 51 material-pushing module, 52 carrier component, 53 low-speed chain, 54 low-speed transmission component, 55 low-speed chain wheel set, 56 bin-dividing cylinder, 57 bin-dividing push plate, 58 bin-dividing guide column, 59 bin-supporting frame base, 60 material-discharging supporting rod frame, 61 flower-collecting component, 62 vibration motor, 63-guide component, 64 supporting plate, 65 large chain wheel component, 66. bottom tension idler, 67, first tension sprocket, 68, second tension sprocket, 69, high speed chain.
Detailed Description
The invention will now be described in further detail with reference to the drawings and preferred embodiments. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1-18, a device for transporting, detecting and grading flowers comprises a
The material loading divides
The low-speed carrier material receiving and conveying module 47 comprises a
The high-speed carrier operation module 48 comprises large
The material pushing module 51 comprises a
The discharging and
Divide
The first
The eccentric flower pushing assembly comprises a
The single separating pusher dog is provided with a
The
The low-
The working process is as follows:
the circulation line of the
firstly, the feeding and
When only one flower exists in a single clamping groove of the second single shifting
when 2 flowers enter the clamping groove of the second single shifting
the feeding
Then, after flowers are delivered to carriers in the
then, the flower bud enters a visual detection and
then flowers enter the
finally, the
While particular embodiments of the present invention have been described in the foregoing specification, various modifications and alterations to the previously described embodiments will become apparent to those skilled in the art from this description without departing from the spirit and scope of the invention.
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