CN112276503A - Production and processing method of bottom cutter of lawn mower - Google Patents
Production and processing method of bottom cutter of lawn mower Download PDFInfo
- Publication number
- CN112276503A CN112276503A CN202011148110.4A CN202011148110A CN112276503A CN 112276503 A CN112276503 A CN 112276503A CN 202011148110 A CN202011148110 A CN 202011148110A CN 112276503 A CN112276503 A CN 112276503A
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- fixing
- block
- connecting plate
- steel block
- square steel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
- B23P15/30—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools lathes or like tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
- B24B3/02—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of milling cutters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Harvester Elements (AREA)
Abstract
The invention discloses a production and processing method of a bottom cutter of a lawn mower, which comprises the following steps: the method comprises the following steps: preparing two steel blocks A and B, cutting, namely cutting the steel blocks A and B into steel blocks A and B with the length ratio of 1:1 and the thickness ratio of 1:2, width ratio of 1.2: 1, obtaining a square steel block C and a square steel block D; the angle of the second fixing mechanism can be adjusted according to actual requirements, and blades with different cutting angles can be obtained; the motor, the first connecting plate, the second connecting plate and the third connecting plate are used in a matched mode, and meanwhile, the blade and the U-shaped plate are ground, so that grinding time of a user is saved, and production efficiency is improved; the protection block I and the protection block II are arranged, so that the protection can be provided for the blade, the damage degree of the blade is reduced, the blade is convenient to mount, dismount and maintain, the blade can be independently replaced when damaged, unnecessary waste is avoided, and the loss and expenditure are reduced.
Description
Technical Field
The invention relates to the technical field of lawn mowers, in particular to a production and processing method of a bottom knife of a lawn mowers.
Background
A lawn mower: the lawn mower is mainly applied to trimming garden decoration, lawn greening trimming, urban streets, greening scenic spots and fields, in particular to trimming of grasslands and grasslands in parks, football fields and other grass fields, private villa gardens, vegetation in agriculture and forestry animal husbandry fields and the like, and can also be used for trimming in autumn, wherein the lawn mower comprises a cutter head, an engine, a traveling wheel, a traveling mechanism, a blade, a handrail and a control part, the cutter head is arranged on the traveling wheel, the engine is arranged on the cutter head, the blade is arranged on an output shaft of the engine, and the blade utilizes the high-speed rotation of the engine to trim the lawn.
The conventional bottom knife of the lawn mower is worn once, so that the normal harvesting effect is influenced, the whole lawn mower needs to be replaced, and the bottom plate is not protected, so that the problem of wear is easily caused.
Disclosure of Invention
The invention aims to provide a production and processing method of a bottom cutter of a lawn mower, and solves the problems that:
the U-shaped plate is clamped and fixed by the aid of the first fixing mechanism, the second fixing mechanism and the shaft rod which are matched, and the U-shaped plate is clamped and fixed by the aid of the fixing box, the pushing head, the connecting rod and the turntable which are matched, so that the clamping and fixing effects are better, the angle of the second fixing mechanism can be adjusted according to actual needs, and blades with different cutting angles can be obtained; the motor, the first connecting plate, the second connecting plate and the third connecting plate are matched for use, and the length of the blade and the U-shaped plate is 1:1, so that the first milling cutter and the second milling cutter synchronously move along contour lines cut on the blade and the U-shaped plate, the strokes are the same, the blade and the U-shaped plate can be simultaneously ground, the grinding time of a user is saved, and the production efficiency is improved; the protection block I and the protection block II are arranged, so that the blade can be protected, and even if the bed knife body falls off, the outer surfaces of the protection block I and the protection block II are arc-shaped, the blade can be buffered due to inertia sliding instead of directly colliding, so that the damage degree of the blade is reduced.
The purpose of the invention can be realized by the following technical scheme:
a production and processing method of a bottom cutter of a lawn mower comprises the following steps:
the method comprises the following steps: preparing two steel blocks A and B, cutting, namely cutting the steel blocks A and B into steel blocks A and B with the length ratio of 1:1 and the thickness ratio of 1:2, width ratio of 1.2: 1, obtaining a square steel block C and a square steel block D;
step two: preparing a cylindrical steel block, wherein the diameter of the cylindrical steel block is as follows: the thickness of the square steel block D is 1:2, the cylindrical steel block is cut into two equal parts along the diameter of the circular section, one part of the cylindrical steel block is equally cut into a steel block E and a steel block F along the radius of the semicircular section, the cylindrical steel block D is cut again until the length ratio of the steel block E to the square steel block D is 1:1, and finally the cylindrical steel block D is cut until the length of the steel block F is equal to the width of the square steel block D;
step three: cutting a contour line of a square steel block C and a contour line of a square steel block D in cutting equipment, grinding in grinding equipment, fixing the square steel block C in a fixing mechanism II, rotating the fixing mechanism II, adjusting the angle according to actual needs, inserting and fixing the fixing mechanism I and the fixing mechanism II, connecting and fixing the fixing mechanism I and a supporting plate by using bolts, placing the square steel block D in a fixing box, rotating a turntable, pushing a push head to clamp and fix the square steel block D, starting a motor, driving a connecting plate I to move back and forth, and further driving a milling cutter I and the milling cutter II to carry out grinding operation;
step four: drilling a ground square steel block C and a ground square steel block D in drilling equipment, then respectively welding and fixing the steel block E and the steel block F with the square steel block D, firstly inserting the square steel block C and the square steel block D, then fixing bolts through holes drilled by the drilling equipment, and integrally coating protective oil after polishing by abrasive paper to obtain a finished bottom cutter.
Further, this lawn mower bottom knife contains the bottom knife body, the bottom knife body contains U template, blade, protection piece one and protection piece two, be provided with the fixed slot with blade looks adaptation on the U template, the blade passes through the fixed slot and pegs graft with the U template, one side of U template is close to the position of lower extreme and installs protection piece one, the one end of U template is close to the position of lower extreme and installs protection piece two, protection piece two is located the lower extreme of blade, all be provided with a plurality of screw, a plurality of on blade and the U template the screw is the article font and arranges the distribution, the blade passes through screw and U template bolt fastening.
Furthermore, the grinding equipment comprises a base, supporting plates are symmetrically arranged on the upper surface of the base close to the front end and the rear end of the upper surface of the base, a first connecting plate is arranged above the base, the first connecting plate is located on one side of the supporting plates, a first fixing mechanism, a second fixing mechanism and a shaft rod are arranged in the middle of the supporting plates, the second fixing mechanism is located between the first fixing mechanism and the shaft rod, a fixing box is sleeved on the outer surface of the shaft rod, a pushing head, a connecting rod and a rotating disc are arranged at one end of the fixing box, the connecting rod is located between the pushing head and the rotating disc, a through hole is formed in the fixing box, uniform internal threads are formed in the inner surface of the through hole, uniform external threads are formed in the outer surface of the pushing head, and one end of the pushing.
Further, the first fixing mechanism comprises a disc, a first fixing column and a plurality of second fixing columns, the first fixing column is located between the disc and the second fixing column, the second fixing columns are distributed on the outer surface of one side of the first fixing column in an annular and equidistant mode, the disc is located at the rear end of the supporting plate, the first fixing column is located at the front end of the supporting plate, the first fixing column penetrates through the supporting plate and is connected with the disc, the disc is fixed with the supporting plate through bolts, the second fixing mechanism comprises a first fixing block, a second fixing block and a connecting column, and the second fixing block is located between the first fixing block and the connecting column.
Furthermore, a first through pipe matched with the connecting column is arranged on the shaft rod, the connecting column is rotatably connected with the shaft rod through the first through pipe, a second through pipe matched with a second fixing column is arranged on the first fixing block, and the second fixing column is connected with the first fixing block in an inserting mode through the second through pipe.
Further, a first groove is formed in the second fixing block, the blade is connected with the second fixing block in an inserting mode through the first groove, a second groove is formed in the fixing box, the U-shaped plate is connected with the fixing box in an inserting mode through the second groove, and the pushing head is located on one side, away from the shaft rod, of the U-shaped plate.
Further, the L template is installed to the position symmetry that both ends are close to one side around the base, and the motor is installed to one side of base near middle position, both ends symmetry is provided with a plurality of groups movable plate around the connecting plate one, and wherein a set of movable plate runs through the L template, the pinion rack is installed to the lower extreme of connecting plate one, the gear has been cup jointed to the output of motor, the motor passes through the gear and is connected with the flank of tooth meshing of pinion rack, connecting plate two and connecting plate three are installed to one side that connecting plate one is close to the axostylus axostyle, connecting plate two is located the back upper place of connecting plate three, connecting plate two and connecting plate three are connected.
The invention has the beneficial effects that:
the U-shaped plate is clamped and fixed by the aid of the first fixing mechanism, the second fixing mechanism and the shaft rod which are matched, and the U-shaped plate is clamped and fixed by the aid of the fixing box, the pushing head, the connecting rod and the turntable which are matched, so that the clamping and fixing effects are better, the angle of the second fixing mechanism can be adjusted according to actual needs, and blades with different cutting angles can be obtained; the motor, the first connecting plate, the second connecting plate and the third connecting plate are matched for use, and the length of the blade and the U-shaped plate is 1:1, so that the first milling cutter and the second milling cutter synchronously move along contour lines cut on the blade and the U-shaped plate, the strokes are the same, the blade and the U-shaped plate can be simultaneously ground, the grinding time of a user is saved, and the production efficiency is improved; the protection block I and the protection block II are arranged, so that the blade can be protected, and even if the bed knife body falls off, the outer surfaces of the protection block I and the protection block II are arc-shaped, the blade can be buffered due to inertia sliding instead of directly colliding, so that the damage degree of the blade is reduced.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the bed knife body of the present invention;
FIG. 2 is a top view of the bed knife body of the present invention;
FIG. 3 is a rear view of the bed knife body of the present invention;
FIG. 4 is a top sectional view of the grinding apparatus of the present invention;
FIG. 5 is a left side view of the grinding apparatus of the present invention;
FIG. 6 is a right side view of a first securing mechanism of the present invention;
fig. 7 is a left side view of a second securing mechanism and blade of the present invention.
In the figure: 1. a bed knife body; 2. a U-shaped plate; 3. a blade; 4. a first protection block; 41. a second protection block; 5. a screw hole; 6. a base; 7. a first fixing mechanism; 8. a support plate; 9. a second fixing mechanism; 10. a shaft lever; 11. a fixed box; 12. pushing the head; 13. a connecting rod; 14. a turntable; 15. a first connecting plate; 16. a second connecting plate; 17. a third connecting plate; 18. a motor; 19. an L-shaped plate; 20. a toothed plate; 71. a disc; 72. fixing a first column; 73. fixing a second column; 91. a first fixed block; 92. a second fixed block; 93. connecting columns.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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. 1-7, a method for manufacturing a base cutter of a lawn mower includes the following steps:
the method comprises the following steps: preparing two steel blocks A and B, cutting, namely cutting the steel blocks A and B into steel blocks A and B with the length ratio of 1:1 and the thickness ratio of 1:2, width ratio of 1.2: 1, obtaining a square steel block C and a square steel block D;
step two: preparing a cylindrical steel block, wherein the diameter of the cylindrical steel block is as follows: the thickness of the square steel block D is 1:2, the cylindrical steel block is cut into two equal parts along the diameter of the circular section, one part of the cylindrical steel block is equally cut into a steel block E and a steel block F along the radius of the semicircular section, the cylindrical steel block D is cut again until the length ratio of the steel block E to the square steel block D is 1:1, and finally the cylindrical steel block D is cut until the length of the steel block F is equal to the width of the square steel block D;
step three: cutting a contour line of a square steel block C and a contour line of a square steel block D in cutting equipment, grinding in grinding equipment, fixing the square steel block C in a fixing mechanism II 9, rotating the fixing mechanism II 9, adjusting an angle according to actual needs, inserting and fixing the fixing mechanism I7 and the fixing mechanism II 9, connecting and fixing the fixing mechanism I7 and a supporting plate 8 by using bolts, placing the square steel block D in a fixing box 11, rotating a turntable 14, pushing a push head 12 to clamp and fix the square steel block D, starting a motor 18, driving a connecting plate I15 to move back and forth, and further driving a milling cutter I and a milling cutter II to carry out grinding operation;
step four: drilling a ground square steel block C and a ground square steel block D in drilling equipment, then respectively welding and fixing the steel block E and the steel block F with the square steel block D, firstly inserting the square steel block C and the square steel block D, then fixing bolts through holes drilled by the drilling equipment, and integrally coating protective oil after polishing by abrasive paper to obtain a finished bottom cutter.
This lawn mower bottom knife contains bottom knife body 1, bottom knife body 1 contains U template 2, blade 3, protection piece 4 and protection piece two 41, be provided with the fixed slot with 3 looks adaptations of blade on the U template 2, blade 3 pegs graft with U template 2 through the fixed slot, one side of U template 2 is close to the position of lower extreme and installs protection piece 4, the one end of U template 2 is close to the position of lower extreme and installs protection piece two 41, protection piece two 41 are located the lower extreme of blade 3, all be provided with a plurality of screw 5 on blade 3 and the U template 2, a plurality of screw 5 is the article font and arranges the distribution, blade 3 is through screw 5 and U template 2 bolt fastening.
The grinding equipment comprises a base 6, wherein support plates 8 are symmetrically arranged on the upper surface of the base 6 near the front end and the rear end, a first connecting plate 15 is arranged above the base 6, the first connecting plate 15 is positioned at one side of the supporting plates 8, a first fixing mechanism 7, a second fixing mechanism 9 and a shaft lever 10 are arranged between the two supporting plates 8, the second fixing mechanism 9 is positioned between the first fixing mechanism 7 and the shaft lever 10, the outer surface of the shaft lever 10 is sleeved with a fixing box 11, one end of the fixed box 11 is provided with a push head 12, a connecting rod 13 and a rotary table 14, the connecting rod 13 is positioned between the push head 12 and the rotary table 14, the fixed box 11 is provided with a through hole, the inner surface of the through hole is provided with uniform internal threads, the outer surface of the push head 12 is provided with uniform external threads, one end of the push head 12 penetrates through the fixed box 11 through a through hole and is in threaded connection with the fixed box 11.
The first fixing mechanism 7 comprises a disc 71, a first fixing column 72 and a plurality of second fixing columns 73, the first fixing columns 72 are located between the disc 71 and the second fixing columns 73, the second fixing columns 73 are distributed on the outer surface of one side of the first fixing columns 72 in an annular and equidistant arrangement mode, the disc 71 is located at the rear end of the supporting plate 8, the first fixing columns 72 are located at the front end of the supporting plate 8, the first fixing columns 72 penetrate through the supporting plate 8 and are connected with the disc 71, the disc 71 and the supporting plate 8 are fixed through bolts, the second fixing mechanism 9 comprises a first fixing block 91, a second fixing block 92 and a connecting column 93, and the second fixing block 92 is located between the first fixing block 91 and the connecting column 93.
The shaft lever 10 is provided with a first through pipe matched with the connecting column 93, the connecting column 93 is rotatably connected with the shaft lever 10 through the first through pipe, a second through pipe matched with a second fixing column 73 is arranged on the first fixing block 91, and the second fixing column 73 is spliced with the first fixing block 91 through the second through pipe.
The second fixing block 92 is provided with a first groove, the blade 3 is connected with the second fixing block 92 in an inserting mode through the first groove, the fixed box 11 is provided with a second groove, the U-shaped plate 2 is connected with the fixed box 11 in an inserting mode through the second groove, and the pushing head 12 is located on one side, away from the shaft rod 10, of the U-shaped plate 2.
The utility model discloses a milling cutter, including base 6, motor 18, connecting plate 15, connecting plate two 16 and connecting plate three 17, the position symmetry that both ends are close to one side is installed L template 19 around base 6, and motor 18 is installed near middle position in one side of base 6, both ends symmetry is provided with a plurality of groups movable plate around connecting plate one 15, and one of them a set of movable plate runs through L template 19, pinion rack 20 is installed to the lower extreme of connecting plate one 15, the gear has been cup jointed to the output of motor 18, motor 18 passes through the gear and is connected with the flank meshing of pinion rack 20, connecting plate one 15 is close to one side of axostylus axostyle 10 and installs connecting plate two 16 and connecting plate three 17, connecting plate two 16 is located.
Example 1
When a finished bottom cutter is manufactured, a square steel block C is equivalent to a blade 3, a square steel block D is equivalent to a U-shaped plate 2, a steel block E is equivalent to a protection block II 41, a steel block F is equivalent to a protection block I4, a fixing mechanism II 9 is provided with a column hole, a bolt is in threaded connection with a fixing mechanism II 9 through the column hole, the bolt is abutted and fixed with the blade 3, the blade 3 is inserted and connected with a fixing block II 92 through a groove I, then the bolt is abutted and fixed with the blade 3, the fixing mechanism II 9 is rotated to an actually required angle, a fixing column II 73 is inserted and connected with the fixing block I91 through a through pipe II, then a disc 71 is fixed with a support plate 8 through the bolt, so that the fixing mechanism II 9 is kept stable, the U-shaped plate 2 is inserted and connected with a fixing box 11 through the groove II, a rotary disc 14 is rotated, a push head 12 is used for clamping and fixing the U, and then the first milling cutter and the second milling cutter are driven to carry out grinding operation.
Various aspects of the present disclosure:
the blade 3 is clamped and fixed through the matching use of the first fixing mechanism 7, the second fixing mechanism 9 and the shaft rod 10, the U-shaped plate 2 is clamped and fixed through the matching use of the fixing box 11, the push head 12, the connecting rod 13 and the rotary table 14, so that the clamping and fixing effects are better, the angle of the second fixing mechanism 9 can be adjusted according to actual needs, and the blades 3 with different cutting angles can be obtained; through the matching use of the motor 18, the first connecting plate 15, the second connecting plate 16 and the third connecting plate 17, as the length of the blade 3 and the U-shaped plate 2 is 1:1, the first milling cutter and the second milling cutter do synchronous motion along contour lines cut on the blade 3 and the U-shaped plate 2, the strokes are the same, the blade 3 and the U-shaped plate 2 can be ground simultaneously, the grinding time of a user is saved, and the production efficiency is improved; the protection can be provided for the blade 3 through the arrangement of the first protection block 4 and the second protection block 41, and even if the bed knife body 1 falls off, the outer surfaces of the first protection block 4 and the second protection block 41 are arc-shaped, so that the buffer can be realized due to inertia sliding instead of the direct collision of the blade 3, the damage degree of the blade 3 is reduced, the installation, the disassembly and the maintenance are convenient, the blade 3 can be independently replaced when damaged, the unnecessary waste is avoided, and the loss and expenditure are reduced.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.
Claims (6)
1. The production and processing method of the bottom cutter of the lawn mower is characterized by comprising the following steps of:
the method comprises the following steps: preparing two steel blocks A and B, cutting, and cutting the steel blocks A and B into square steel blocks to obtain square steel blocks C and square steel blocks D;
step two: preparing a cylindrical steel block, cutting the cylindrical steel block into two equal parts along the diameter of the circular section, wherein one part is equally cut into a steel block E and a steel block F along the radius of the semicircular section;
step three: cutting a contour line of a square steel block C and a contour line of a square steel block D in cutting equipment, grinding in grinding equipment, fixing the square steel block C in a fixing mechanism II (9), rotating the fixing mechanism II (9), adjusting an angle according to actual needs, inserting and fixing the fixing mechanism I (7) and the fixing mechanism II (9), connecting and fixing the fixing mechanism I (7) and a supporting plate (8) by using bolts, placing the square steel block D in a fixing box (11), rotating a turntable (14), pushing a push head (12) to clamp and fix the square steel block D, starting a motor (18), driving a connecting plate I (15) to move back and forth, and further driving a milling cutter I and a milling cutter II to perform grinding operation;
step four: drilling a ground square steel block C and a ground square steel block D in drilling equipment, then respectively welding and fixing the steel block E and the steel block F with the square steel block D, firstly inserting the square steel block C and the square steel block D, then fixing bolts through holes drilled by the drilling equipment, and integrally coating protective oil after polishing by abrasive paper to obtain a finished bottom cutter.
2. The production and processing method of the lawn mower bottom knife according to claim 1, characterized in that the grinding device comprises a base (6), wherein support plates (8) are symmetrically arranged on the upper surface of the base (6) near the front end and the rear end, a first connecting plate (15) is arranged above the base (6), the first connecting plate (15) is arranged on one side of each support plate (8), a first fixing mechanism (7), a second fixing mechanism (9) and a shaft lever (10) are arranged between the two support plates (8), the second fixing mechanism (9) is arranged between the first fixing mechanism (7) and the shaft lever (10), a fixing box (11) is sleeved on the outer surface of the shaft lever (10), a pushing head (12), a connecting rod (13) and a rotating disc (14) are arranged at one end of the fixing box (11), the connecting rod (13) is arranged between the pushing head (12) and the rotating disc (14), the novel push head is characterized in that a through hole is formed in the fixed box (11), uniform internal threads are formed in the inner surface of the through hole, uniform external threads are formed in the outer surface of the push head (12), and one end of the push head (12) penetrates through the through hole to be connected with the fixed box (11) in a threaded mode.
3. The method for producing and processing the lawn mower bed knife as claimed in claim 2, the first fixing mechanism (7) comprises a disc (71), a first fixing column (72) and a plurality of second fixing columns (73), the first fixing columns (72) are positioned between the disc (71) and the second fixing columns (73), a plurality of the second fixing columns (73) are annularly and equidistantly distributed on the outer surface of one side of the first fixing columns (72), the disc (71) is positioned at the rear end of the support plate (8), the first fixing column (72) is positioned at the front end of the support plate (8), the first fixing column (72) penetrates through the supporting plate (8) and is connected with the disc (71), the disc (71) is fixed with the support plate (8) through bolts, the second fixing mechanism (9) comprises a first fixing block (91), a second fixing block (92) and a connecting column (93), and the second fixing block (92) is positioned between the first fixing block (91) and the connecting column (93).
4. The production and processing method of the bottom knife of the lawn mower as claimed in claim 3, wherein the shaft lever (10) is provided with a first through pipe matched with the connecting column (93), the connecting column (93) is rotatably connected with the shaft lever (10) through the first through pipe, the first fixing block (91) is provided with a second through pipe matched with the second fixing column (73), and the second fixing column (73) is inserted into the first fixing block (91) through the second through pipe.
5. The method for producing and processing the bottom knife of the lawn mower as claimed in claim 3, wherein a first groove is formed in the second fixing block (92), a second groove is formed in the fixing box (11), the U-shaped plate (2) is inserted into the fixing box (11) through the second groove, and the pushing head (12) is located on one side, away from the shaft rod (10), of the U-shaped plate (2).
6. The method for producing and processing the lawn mower bed knife as claimed in claim 2, l-shaped plates (19) are symmetrically arranged at positions, close to one side, of the front end and the rear end of the base (6), a motor (18) is arranged at a position, close to the middle, of one side of the base (6), a plurality of groups of moving plates are symmetrically arranged at the front end and the rear end of the first connecting plate (15), one group of moving plates penetrate through the L-shaped plate (19), the lower end of the first connecting plate (15) is provided with a toothed plate (20), the output end of the motor (18) is sleeved with a gear, the motor (18) is meshed and connected with the tooth surface of the toothed plate (20) through the gear, one side of the first connecting plate (15) close to the shaft lever (10) is provided with a second connecting plate (16) and a third connecting plate (17), the second connecting plate (16) is located above the third connecting plate (17), and the second connecting plate (16) and the third connecting plate (17) are respectively connected with a first milling cutter and a second milling cutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011148110.4A CN112276503A (en) | 2020-10-23 | 2020-10-23 | Production and processing method of bottom cutter of lawn mower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011148110.4A CN112276503A (en) | 2020-10-23 | 2020-10-23 | Production and processing method of bottom cutter of lawn mower |
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| CN112276503A true CN112276503A (en) | 2021-01-29 |
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| CN202011148110.4A Withdrawn CN112276503A (en) | 2020-10-23 | 2020-10-23 | Production and processing method of bottom cutter of lawn mower |
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| CN104429303A (en) * | 2014-12-16 | 2015-03-25 | 金华东润工贸有限公司 | Grass mowing plate |
| CN207022519U (en) * | 2017-07-13 | 2018-02-23 | 方明聪 | Improved structure of blade of mower |
| CN109623306A (en) * | 2019-01-17 | 2019-04-16 | 安徽屹盛机电科技有限公司 | A kind of lawn rounding machine cutter production technology |
| CN210183933U (en) * | 2019-05-09 | 2020-03-27 | 淮安中绿园林机械制造有限公司 | Blade impact protection mechanism of lawn trimmer |
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2020
- 2020-10-23 CN CN202011148110.4A patent/CN112276503A/en not_active Withdrawn
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Application publication date: 20210129 |