Cutting device for glass processing
Technical Field
The invention relates to the technical field of glass processing equipment, in particular to a cutting device for glass processing.
Background
Glass is an amorphous inorganic non-metallic material, and is generally prepared by using various inorganic minerals as main raw materials and adding a small amount of auxiliary raw materials. Its main components are silicon dioxide and other oxides. The product has the advantages of high light transmittance, no pollution, low cost, etc., and can be widely applied to various aspects of life. Cutting is an essential process in glass processing.
However, the existing glass cutting needs manual feeding of glass, the difficulty and the workload of the feeding operation of large glass carrying are large, the cutting head of the existing glass cutting device is fixedly arranged, rapid cutting can not be flexibly performed on different positions on the whole glass, the cutting efficiency is reduced, the splashing of fragments can not be prevented when the glass is cut, and the operation environment is polluted by the fragments which are injured and splashed by workers.
Disclosure of Invention
The invention aims to provide a cutting device for glass processing, wherein a cutting head downwards penetrates through a cutting through groove and extends into a protective cover main body, the cutting head is used for cutting and processing glass, the protective cover main body is used for preventing scraps in the cutting process from splashing and well protecting workers, the cutting scraps fall into a dust collection box for centralized collection and storage, the cutting scraps are effectively prevented from scattering and polluting the environment, a cooling fan works after cutting to rapidly cool a glass cutting surface, and the cutting efficiency is improved while the cutting quality is ensured.
The purpose of the invention can be realized by the following technical scheme:
a cutting device for glass processing comprises a main body frame, a first motor, a first gear, a bearing seat plate, a first bearing with a seat, a driving shaft, a second gear, a worm, a conveying shaft, a second bearing with a seat, a conveying wheel, a turbine, a longitudinal moving assembly and a lifting cutting assembly;
the glass conveying device comprises a main body frame, a plurality of groups of glass conveying assemblies and a plurality of groups of glass conveying assemblies, wherein the upper end of the main body frame is provided with the plurality of groups of glass conveying assemblies which are distributed in a linear array manner, each glass conveying assembly comprises a conveying shaft and a second bearing with a seat, the second bearing with the seat is provided with two groups of glass conveying assemblies which are fixedly arranged on two sides of the main body frame respectively, two ends of each conveying shaft are fixedly arranged on an inner ring of the corresponding second bearing with the seat respectively, a plurality of groups of conveying wheels are arranged on the conveying shafts in;
the main body frame is fixedly provided with a first motor, an output shaft of the first motor is fixedly provided with a first gear, one side of the upper end of the main body frame, which is close to the turbine, is fixedly provided with a plurality of groups of bearing seat plates, the plurality of groups of bearing seat plates are distributed in a linear array, the bearing seat plates are fixedly provided with first bearings with seats, the driving shaft is fixedly connected with the inner ring of the first bearings with seats, the driving shaft is fixedly provided with a second gear, the second gear is in meshing transmission connection with the first gear through a chain, the driving shaft is fixedly provided with a plurality of groups of worms, and the worms are in meshing transmission connection with the turbine;
the glass cutting machine is characterized in that the longitudinal moving assembly is installed at the upper end of the main body frame, the longitudinal moving assembly is provided with a lifting cutting assembly, the lifting cutting assembly comprises a lifting plate, the lower end of the lifting plate is fixedly connected with a mounting plate, a vertical downward laser cutter is fixedly installed on the mounting plate, the lower end of the laser cutter is provided with a cutting head, and the cutting head penetrates through the mounting plate to perform laser cutting on glass.
As a further scheme of the invention, first guide slide rails are fixedly mounted on both sides of the upper end of the main body frame, a first guide slide block is connected to the first guide slide rails in a sliding manner, and the longitudinal moving assembly is fixedly mounted on the first guide slide block.
As a further scheme of the invention, a fixed rack is fixedly mounted at the upper end of the main body frame, the fixed rack is arranged in parallel with the first guide slide rail, a transverse moving assembly is arranged on the fixed rack, the transverse moving assembly comprises a motor mounting plate, the motor mounting plate is in an L-shaped structure, a horizontal plate of the motor mounting plate is fixedly mounted on the first guide slide block, a vertical plate of the motor mounting plate is fixedly mounted with a third motor, an output shaft of the third motor is fixedly mounted with a third gear, and the third gear is in meshing connection with the fixed rack.
As a further scheme of the invention, the longitudinal moving assembly comprises a longitudinal moving bracket, a fixed seat plate, a motor seat plate, a second motor, a third bearing with a seat, a screw and a sliding seat; the longitudinal movement support is provided with two sets of, and two sets of longitudinal movement supports are fixed mounting respectively on the first direction slider of both sides, fixed bedplate both ends fixed connection is on the upper portion of two sets of longitudinal movement supports, fixed bedplate one end fixedly connected with motor bedplate, its other end fixed mounting third area seat bearing, fixed mounting has the second motor on the motor bedplate, the screw rod is installed to the output of second motor, the one end fixed connection that the second motor was kept away from to the screw rod is at the inner circle of third area seat bearing, sliding connection has the sliding seat on the fixed bedplate, the sliding seat with on be provided with screw thread through-hole with screw rod screw-thread fit.
As a further scheme of the invention, two groups of second guide slide rails are arranged on the fixed seat plate, the two groups of second guide slide rails are arranged in parallel with the screw rod and symmetrically distributed by taking the screw rod as a center, and a second guide slide block is connected to the second guide slide rails in a sliding manner.
According to a further scheme of the invention, the lifting cutting assembly comprises a lifting fixing seat, the lifting fixing seat is fixedly installed on a sliding seat and a second guide sliding block, an air cylinder seat plate is fixedly installed at the upper end of the lifting fixing seat, a vertically downward driving air cylinder is fixedly installed on the air cylinder seat plate, and a driving telescopic rod of the driving air cylinder penetrates through the air cylinder seat plate to be fixedly connected with the lifting plate.
According to a further scheme of the invention, two groups of guide rods are fixedly connected to the lower end of the air cylinder seat plate, the two groups of guide rods are arranged in parallel with a driving telescopic rod of a driving air cylinder and symmetrically distributed by taking the driving air cylinder as a center, and the guide rods are connected with sliding blocks in a sliding manner, and the sliding blocks are fixedly connected with a lifting plate.
As a further scheme of the invention, an adjusting mechanism is arranged on the main body frame and comprises an adjusting plate and an adjusting gear, wherein an adjusting waist hole is formed in the adjusting plate, the adjusting plate penetrates through the adjusting waist hole through a bolt and is installed on the main body frame, a gear shaft is fixedly installed on the adjusting plate, the adjusting gear is rotatably installed on the gear shaft, and the adjusting gear is in meshed transmission connection with the chain.
As a further scheme of the invention, a dust collection box is fixedly mounted on the main body frame, the dust collection box is positioned under a plurality of groups of glass conveying assemblies, a protective cover assembly is fixedly mounted on the longitudinal moving assembly, the protective cover assembly comprises a protective cover main body, a cutting through groove is formed in the upper end of the protective cover main body, a plurality of groups of obliquely arranged fan seat plates are fixedly mounted in the protective cover main body, and a cooling fan is fixedly mounted on each fan seat plate.
As a further scheme of the invention, the using method of the cutting device specifically comprises the following steps:
the method comprises the following steps: the first motor works to drive the first gear to rotate, the first gear drives the second gear to rotate through chain transmission, the second gear drives the driving shaft and the plurality of groups of worms on the driving shaft to rotate, the conveying shaft and the turbines are driven to rotate through a worm and gear transmission principle, so that the conveying shaft and the plurality of groups of conveying wheels are driven to rotate, glass to be cut is placed on the glass conveying assembly, and the glass is conveyed to the lower part of the lifting cutting assembly through the conveying wheels to be cut;
step two: the third motor is electrified to work to drive the third gear to rotate, the third gear rotates on the fixed rack to drive the first guide sliding block to slide along the first guide sliding rail, and the longitudinal moving assembly is driven to adjust the position in the horizontal direction, so that the glass can be conveniently cut at different positions;
step three: the second motor is electrified to work to drive the screw rod to rotate, the sliding seat is driven to slide back and forth along the second guide sliding rails through the screw rod transmission principle, so that the lifting cutting assembly is driven to adjust the position in the longitudinal direction, and the stability of the movement of the sliding seat is improved due to the arrangement of the two groups of second guide sliding rails;
step four: drive actuating cylinder work and drive the extension of cylinder telescopic link, the cylinder telescopic link drives the lifter plate along the guide bar lapse, the slider improves the stability that the lifter plate reciprocated with the sliding fit of guide bar, thereby ensure laser cutting ware's stability, the cutting head passes the cutting downwards and leads to the groove and stretch into the protection casing main part in, the cutting head cuts processing to glass, the protection casing main part prevents that the cutting in-process clastic from splashing, the cutting piece falls into and concentrates in the dust collection box and collects the storage, cooling fan work cools off glass cutting plane fast after the cutting, ensure the cutting quality.
The invention has the beneficial effects that: the glass cutting machine is characterized in that a first gear is driven to rotate through the work of a first motor, the first gear drives a second gear to rotate through chain transmission, a position-adjustable adjusting mechanism is arranged on a main body rack and used for adjusting the tightness of a chain, so that the stability of the chain transmission is effectively ensured, the second gear drives a driving shaft and a plurality of groups of worms on the driving shaft to rotate, a conveying shaft and a turbine are driven to rotate through the transmission principle of the turbine and the worm, so that the conveying shaft and the plurality of groups of conveying wheels are driven to rotate, glass to be cut is placed on a glass conveying assembly, the glass is conveyed below a lifting cutting assembly through the conveying wheels to be cut, the glass is automatically fed and discharged, and the glass is conveyed, so that the efficiency of cutting the glass is;
the third motor is electrified to work to drive the third gear to rotate, the third gear rotates on the fixed rack to drive the first guide sliding block to slide along the first guide sliding rail, and the longitudinal moving assembly is driven to adjust the position in the horizontal direction, so that the glass can be conveniently cut at different positions; the second motor is electrified to work to drive the screw rod to rotate, the sliding seat is driven to slide back and forth along the second guide sliding rails through the screw rod transmission principle, so that the lifting cutting assembly is driven to adjust the position in the longitudinal direction, and the stability of the movement of the sliding seat is improved due to the arrangement of the two groups of second guide sliding rails; the driving cylinder works to drive the cylinder telescopic rod to extend, the cylinder telescopic rod drives the lifting plate to slide downwards along the guide rod, and the sliding fit of the sliding block and the guide rod improves the up-and-down movement stability of the lifting plate, so that the stability of the laser cutter is ensured;
the cutting head passes the cutting logical groove downwards and stretches into in the protection casing main part, and the cutting head cuts glass, and the protection casing main part prevents that the clastic splashes in the cutting process, plays good guard action to the staff, and the cutting piece falls into and concentrates in the dust collection box and collects the storage, effectively prevents the scattered polluted environment that falls off of cutting piece, and the cooling fan work carries out quick cooling to the glass cutting face after the cutting, improves cutting efficiency when guaranteeing the cutting quality.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic overall front view of the present invention;
FIG. 2 is a schematic overall side view of the present invention;
FIG. 3 is a schematic overall side view of the present invention;
FIG. 4 is a schematic view of the overall rear view structure of the present invention;
FIG. 5 is a schematic view of the glass delivery assembly of the present invention;
FIG. 6 is a schematic view of the longitudinal motion assembly of the present invention;
FIG. 7 is a schematic view of the lifting and lowering assembly of the present invention;
FIG. 8 is a schematic structural view of a shield assembly of the present invention;
FIG. 9 is a schematic view of the internal structure of the shield assembly of the present invention;
FIG. 10 is a schematic view of the adjustment mechanism of the present invention;
FIG. 11 is a schematic side view of the adjusting mechanism of the present invention;
FIG. 12 is a schematic view of the lateral shifting assembly of the present invention;
in the figure: 1. a main body frame; 2. a first motor; 3. a first gear; 4. an adjustment mechanism; 41. an adjusting plate; 42. adjusting a waist hole; 43. an adjusting gear; 44. a gear shaft; 5. a bearing seat plate; 6. a first pedestal bearing; 7. a drive shaft; 8. a second gear; 9. a worm; 10. a delivery shaft; 11. a second rolling bearing; 12. a delivery wheel; 13. a turbine; 14. a longitudinal movement assembly; 141. longitudinally moving the support; 142. fixing the seat plate; 143. a motor seat plate; 144. a second motor; 145. a third rolling bearing; 146. a screw; 147. a second guide slide rail; 148. a sliding seat; 149. a second guide slider; 15. a lifting cutting assembly; 151. a lifting fixed seat; 152. a cylinder seat plate; 153. a driving cylinder; 154. a guide bar; 155. a slider; 156. a lifting plate; 157. mounting a plate; 158. a laser cutter; 159. a cutting head; 16. a protective cover assembly; 161. a shield body; 162. cutting a through groove; 163. a fan base plate; 164. a cooling fan; 17. fixing a rack; 18. a lateral movement assembly; 181. a motor mounting plate; 182. a third motor; 183. a third gear; 19. a first guide rail; 20. a first guide slider; 21. a dust collection box.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 12, a cutting apparatus for glass processing includes a main body frame 1, a first motor 2, a first gear 3, a bearing seat plate 5, a first belt seat bearing 6, a driving shaft 7, a second gear 8, a worm 9, a conveying shaft 10, a second belt seat bearing 11, a conveying wheel 12, a turbine 13, a longitudinal moving assembly 14, and a lifting cutting assembly 15;
the glass conveying device comprises a main body frame 1, a plurality of groups of glass conveying assemblies are mounted at the upper end of the main body frame 1, the glass conveying assemblies are distributed in a linear array mode and comprise conveying shafts 10 and second bearings 11 with seats, the second bearings 11 with seats are provided with two groups which are fixedly mounted on two sides of the main body frame 1 respectively, two ends of each conveying shaft 10 are fixedly mounted on the inner ring of each second bearing 11 with seats respectively, a plurality of groups of conveying wheels 12 are mounted on the conveying shafts 10 in a linear array mode, and one end of each conveying shaft 10 is fixedly connected with a turbine 13;
a first motor 2 is fixedly installed on the main body rack 1, a first gear 3 is fixedly installed on an output shaft of the first motor 2, a plurality of groups of bearing seat plates 5 are fixedly installed on one side, close to a turbine 13, of the upper end of the main body rack 1, the plurality of groups of bearing seat plates 5 are distributed in a linear array mode, a first belt seat bearing 6 is fixedly installed on each bearing seat plate 5, a driving shaft 7 is fixedly connected to an inner ring of the first belt seat bearing 6, a second gear 8 is fixedly installed on each driving shaft 7, the second gear 8 is in meshing transmission connection with the first gear 3 through a chain, a plurality of groups of worms 9 are fixedly installed on each driving shaft 7, and the worms 9 are in meshing transmission connection with the turbine 13;
the longitudinal moving assembly 14 is mounted at the upper end of the main frame 1, the lifting cutting assembly 15 is mounted on the longitudinal moving assembly 14, the lifting cutting assembly 15 comprises a lifting plate 156, a mounting plate 157 is fixedly connected to the lower end of the lifting plate 156, a vertically downward laser cutter 158 is fixedly mounted on the mounting plate 157, a cutting head 159 is arranged at the lower end of the laser cutter 158, and the cutting head 159 penetrates through the mounting plate 157 to perform laser cutting on glass.
The equal fixed mounting in main part frame 1 upper end both sides has first direction slide rail 19, sliding connection has first direction slider 20 on the first direction slide rail 19, longitudinal movement subassembly 14 fixed mounting is on first direction slider 20.
Main part frame 1 upper end fixed mounting has fixed rack 17, fixed rack 17 and first direction slide rail 19 parallel arrangement, be provided with lateral shifting subassembly 18 on the fixed rack 17, lateral shifting subassembly 18 includes motor mounting panel 181, motor mounting panel 181 is L type structure, motor mounting panel 181 horizontal plate fixed mounting is on first direction slider 20, fixed mounting has third motor 182 on the vertical board of motor mounting panel 181, fixed mounting has third gear 183 on the third motor 182 output shaft, third gear 183 is connected with fixed rack 17 meshing.
The longitudinal moving assembly 14 comprises a longitudinal moving bracket 141, a fixed seat plate 142, a motor seat plate 143, a second motor 144, a third bearing with seat 145, a screw 146 and a sliding seat 148; the longitudinal movement support 141 is provided with two groups, the two groups of longitudinal movement supports 141 are respectively and fixedly installed on the first guide sliding blocks 20 at two sides, two ends of the fixed seat plate 142 are fixedly connected to the upper parts of the two groups of longitudinal movement supports 141, one end of the fixed seat plate 142 is fixedly connected with a motor seat plate 143, the other end of the fixed seat plate 142 is fixedly installed with a third bearing with seat 145, the motor seat plate 143 is fixedly installed with a second motor 144, the output end of the second motor 144 is installed with a screw 146, one end of the screw 146 far away from the second motor 144 is fixedly connected to the inner ring of the third bearing with seat 145, the fixed seat plate 142 is slidably connected with a sliding seat 148, and the sliding seat 148 and the sliding seat are provided with threaded through holes in.
Two groups of second guide slide rails 147 are arranged on the fixed seat plate 142, the two groups of second guide slide rails 147 are arranged in parallel with the screw 146 and symmetrically distributed by taking the screw 146 as a center, and a second guide slide block 149 is connected to the second guide slide rails 147 in a sliding manner.
The lifting cutting assembly 15 comprises a lifting fixing seat 151, the lifting fixing seat 151 is fixedly installed on a sliding seat 148 and a second guide sliding block 149, an air cylinder seat plate 152 is fixedly installed at the upper end of the lifting fixing seat 151, a vertical downward driving air cylinder 153 is fixedly installed on the air cylinder seat plate 152, and a driving air cylinder 153 drives a telescopic rod to penetrate through the air cylinder seat plate 152 and a lifting plate 156 to be fixedly connected.
The lower end of the cylinder seat plate 152 is fixedly connected with two sets of guide rods 154, the two sets of guide rods 154 are arranged in parallel with the driving telescopic rods of the driving cylinders 153 and symmetrically distributed by taking the driving cylinders 153 as a center, the guide rods 154 are connected with sliding blocks 155 in a sliding manner, and the sliding blocks 155 are fixedly connected with a lifting plate 156.
Be provided with adjustment mechanism 4 on main body frame 1, adjustment mechanism 4 includes regulating plate 41 and adjusting gear 43, be provided with on the regulating plate 41 and adjust waist hole 42, regulating plate 41 passes through the bolt and adjusts waist hole 42 and install on main body frame 1, fixed mounting has gear shaft 44 on the regulating plate 41, adjusting gear 43 rotates and installs on gear shaft 44, adjusting gear 43 is connected with chain meshing transmission.
Fixed mounting has dust collection box 21 on main part frame 1, dust collection box 21 is located under a plurality of groups glass conveying component, fixed mounting has protection casing subassembly 16 on the longitudinal movement subassembly 14, protection casing subassembly 16 includes protection casing main part 161, protection casing main part 161 upper end is provided with the cutting and leads to groove 162, fixed mounting has the fan bedplate 163 that a plurality of groups slope set up in protection casing main part 161, fixed mounting has cooling fan 164 on the fan bedplate 163.
The using method of the cutting device specifically comprises the following steps:
the method comprises the following steps: the first motor 2 works to drive the first gear 3 to rotate, the first gear 3 drives the second gear 8 to rotate through chain transmission, the second gear 8 drives the driving shaft 7 and a plurality of groups of worms 9 on the driving shaft 7 to rotate, and drives the conveying shaft 10 and the worm wheel 13 to rotate through the worm and worm wheel transmission principle, so that the conveying shaft 10 and a plurality of groups of conveying wheels 12 are driven to rotate, glass to be cut is placed on the glass conveying assembly, and the glass is conveyed below the lifting cutting assembly 15 through the conveying wheels 12 to be cut;
step two: the third motor 182 is electrified to work to drive the third gear 183 to rotate, the third gear 183 rotates on the fixed rack 17, the first guide slide block 20 is driven to slide along the first guide slide rail 19, and the longitudinal moving assembly 14 is driven to adjust the position in the horizontal direction, so that different positions of the glass can be conveniently cut;
step three: the second motor 144 is electrified to work to drive the screw 146 to rotate, and the sliding seat 148 is driven to slide back and forth along the second guide slide rails 147 through the screw rod transmission principle, so that the position of the lifting cutting assembly 15 is driven to be adjusted in the longitudinal direction, and the stability of the movement of the sliding seat 148 is improved due to the arrangement of the two groups of second guide slide rails 147;
step four: drive actuating cylinder 153 work and drive the extension of cylinder telescopic link, the cylinder telescopic link drives lifter plate 156 and slides down along guide bar 154, slider 155 improves the stability that lifter plate 156 reciprocated with the sliding fit of guide bar 154, thereby ensure the stability of laser cutting ware 158, cutting head 159 passes cutting logical groove 162 downwards and stretches into in the protection casing main part 161, cutting head 159 cuts processing to glass, protection casing main part 161 prevents clastic splash among the cutting process, the cutting piece falls into and concentrates in the dust collection box 21 and collects the storage, cooling fan 164 work cools off glass cutting face fast after the cutting, ensure the cutting quality.
When the glass cutting machine is used, the first motor 2 works to drive the first gear 3 to rotate, the first gear 3 drives the second gear 8 to rotate through chain transmission, the second gear 8 drives the driving shaft 7 and a plurality of groups of worms 9 on the driving shaft 7 to rotate, and the conveying shaft 10 and the worm wheel 13 are driven to rotate through the worm and gear transmission principle, so that the conveying shaft 10 and a plurality of groups of conveying wheels 12 are driven to rotate, glass to be cut is placed on the glass conveying assembly, and the glass is conveyed to the lower part of the lifting cutting assembly 15 through the conveying wheels 12 to be cut; the third motor 182 is electrified to work to drive the third gear 183 to rotate, the third gear 183 rotates on the fixed rack 17, the first guide slide block 20 is driven to slide along the first guide slide rail 19, and the longitudinal moving assembly 14 is driven to adjust the position in the horizontal direction, so that different positions of the glass can be conveniently cut; the second motor 144 is electrified to work to drive the screw 146 to rotate, and the sliding seat 148 is driven to slide back and forth along the second guide slide rails 147 through the screw rod transmission principle, so that the position of the lifting cutting assembly 15 is driven to be adjusted in the longitudinal direction, and the stability of the movement of the sliding seat 148 is improved due to the arrangement of the two groups of second guide slide rails 147; drive actuating cylinder 153 work and drive the extension of cylinder telescopic link, the cylinder telescopic link drives lifter plate 156 and slides down along guide bar 154, slider 155 improves the stability that lifter plate 156 reciprocated with the sliding fit of guide bar 154, thereby ensure the stability of laser cutting ware 158, cutting head 159 passes cutting logical groove 162 downwards and stretches into in the protection casing main part 161, cutting head 159 cuts processing to glass, protection casing main part 161 prevents clastic splash among the cutting process, the cutting piece falls into and concentrates in the dust collection box 21 and collects the storage, cooling fan 164 work cools off glass cutting face fast after the cutting, ensure the cutting quality.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.