CN112091735A - Polishing device for small tool bit - Google Patents
Polishing device for small tool bit Download PDFInfo
- Publication number
- CN112091735A CN112091735A CN202011001022.1A CN202011001022A CN112091735A CN 112091735 A CN112091735 A CN 112091735A CN 202011001022 A CN202011001022 A CN 202011001022A CN 112091735 A CN112091735 A CN 112091735A
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- CN
- China
- Prior art keywords
- fixed
- fixedly connected
- tool bit
- grinding wheel
- polishing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B24B3/36—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades
- B24B3/48—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades of razor blades or razors
- B24B3/50—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades of razor blades or razors operated manually
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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
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
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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
- B24B41/007—Weight compensation; Temperature compensation; Vibration damping
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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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- 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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
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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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
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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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/04—Protective covers for the grinding wheel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to the technical field of aluminum alloy processing, and discloses a polishing device for a small cutter head, which comprises a working disc, wherein the top of the working disc is fixedly connected with a splash-proof ring, a fixed seat is arranged inside the splash-proof ring and movably connected with the working disc, the top of the fixed seat is rotatably connected with a first grinding wheel disc, the first grinding wheel disc is rotatably connected with a cutter head, the top of the first grinding wheel disc is fixedly connected with a second grinding wheel disc, the top of the fixed seat is fixedly connected with a fixed frame, and the fixed frame is provided with a rotating device. When tooth and gear engagement, the two drive teeth of carousel rotate, and tooth drives the connecting rod through the gear and rotates, thereby the connecting rod rotates and drives the tool bit and overturn to do not need the upset tool bit of making a round trip when polishing the tool bit, need rotate the handle always and just can accomplish all polishing to the positive and negative of tool bit, thereby promoted the time of polishing greatly.
Description
Technical Field
The invention relates to the technical field of tool bit grinding, in particular to a grinding device for a small tool bit.
Background
Generally speaking, ordinary tool bit is after long-term the use, the tool bit can become dull, it is inconvenient when using at ordinary times like this, influence work efficiency, at this moment just need dismantle the tool bit and get off and polish, but traditional mode is that the user holds the cutter and polishes, because some cutters are small inconvenient to be taken and polish with the hand, and because the cutter is small need make a round trip the turn-ups when polishing and polish, time waste so not only, and the process of polishing is very arduous, and easy with the hand fish tail when polishing the turn-ups.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a polishing device for a small-sized tool bit, which has the advantages of automatic overturning and the like and solves the problem of unsafe manual polishing.
(II) technical scheme
In order to realize the purpose of automatic turning, the invention provides the following technical scheme: a polishing device for small-sized tool bits comprises a working disc, wherein a splash-proof ring is fixedly connected to the top of the working disc, a fixed seat is arranged inside the splash-proof ring, the fixed seat is movably connected with the working disc, the top of the fixed seat is rotatably connected with a first grinding wheel disc, a tool bit is rotatably connected to the first grinding wheel disc, the top of the first grinding wheel disc is fixedly connected with a second grinding wheel disc, the top of the fixed seat is fixedly connected with a fixed frame, a rotating device is arranged on the fixed frame, the rotating device comprises a rotating rod, the rotating rod is rotatably connected to the fixed frame, the rotating rod is fixedly connected with the second grinding wheel disc, a handle is fixedly connected to the top of the rotating rod, a triangular plate is fixedly connected to the rear end of the fixed frame, a guide block is fixedly connected to the top of the triangular plate, the top of the triangular plate is rotatably connected with a rotating shaft, the rotating shaft is rotatably connected with a second grinding wheel disk, a first rotating disk is fixedly sleeved on the rotating shaft and is positioned below the triangular plate, a second rotating disk is rotatably sleeved on the rotating shaft and is rotatably connected with the second grinding wheel disk, a fixed frame is fixedly connected to the bottom of the fixed frame, a fixed block is rotatably connected to the inside of the fixed frame, the front end of the fixed block is rotatably connected with a connecting rod, the rear end of the connecting rod penetrates through the fixed block, the front end of the connecting rod is rotatably connected with a tool bit, the tool bit is in two-phase contact with the grinding wheel disk, a fixed plate is fixedly connected to the top of the fixed seat, a connecting shaft is fixedly connected to the front end of the fixed plate, a fixed sleeve is fixedly sleeved on the rear end of the connecting shaft, the fixed sleeve is fixedly, the front end fixedly connected with spring of connecting axle, the front end fixedly connected with couple of spring, fixed cover has connect the cam in the pivot, cam fixed connection is in the bottom of carousel one, the top fixedly connected with tooth of carousel two, the left end of fixed frame is rotated and is connected with the dead lever, the right-hand member of dead lever runs through fixed frame and fixed block, the solid fixed ring of bottom fixedly connected with of dead lever, gu fixed ring and the mutual joint of couple, the rear end fixedly connected with gear of connecting rod, the gear is connected with the tooth meshing, the fixed pearl of rear end fixedly connected with of connecting rod, driving belt has been cup jointed on dwang and the carousel one.
Preferably, the rotating rod penetrates through the fixing frame and is fixedly connected with the second grinding wheel disc.
Preferably, the rotating shaft penetrates through the triangular plate and is rotatably connected with the second grinding wheel disc.
Preferably, the rotating rod and the first rotating disc are in transmission connection with the guide block through a transmission belt.
Preferably, the shape of mount is the U type, both ends fixed connection is at the top of fixing base about the mount.
Preferably, the guide block is in a cylindrical shape with a large diameter at the upper end and a small diameter at the middle.
(III) advantageous effects
Compared with the prior art, the invention provides a grinding device for a small-sized tool bit, which has the following beneficial effects:
1. this a grinding device for small-size tool bit, through driving the cam when a carousel rotates and rotating, when cam and fixed pearl meet the department mutually, the convex place of cam pushes up fixed pearl downwards, drive gear downstream when fixed pearl downstream, with tooth meshing when the gear downstream, like this because the dwang drives two rotations of carousel, when tooth and gear meshing, two drive tooth rotations of carousel, tooth passes through the gear and drives the connecting rod and rotate, thereby the connecting rod rotates and drives the tool bit and overturn, thereby the tool bit that does not need to make a round trip when polishing the tool bit, need rotate the handle all can accomplish the positive and negative of tool bit and all polish always, thereby the time of polishing has been promoted greatly.
2. This a grinding device for small-size tool bit, because the volume of tool bit is little, can produce certain vibrations owing to polishing when using artifical handheld pressure to polish, handheld polishing very easily takes off the hand like this, in case take off the hand, the tool bit drops on rotatory grinding means, the tool bit can receive the rotatory power of grinding means and fly the tool bit, the tool bit itself is sharp-pointed object, it can cause the injury to the people to touch the people after flying, if when touching fragile organs such as eyes, the consequence can't imagine, so let the tool bit move down and emery wheel dish two department of meeting through utilizing gravity, and because couple and solid fixed ring joint each other, the spring has played a towed effect to the tool bit when polishing the tool bit like this, avoided artifical handheld easy taking off the hand of polishing, thereby reduce the potential safety hazard when polishing.
3. This a grinding device for small-size tool bit, the device is through carrying out the reversal to the tool bit and polishing, compare with the mode that the centre gripping was polished together like this, add and hold the degree of polishing that only can rely on operator's experience to constantly observe the tool bit when polishing together, if the time overlength of polishing one side, can lead to the thickness difference of the positive and negative two sides cutting edge of tool bit, the cutting plane of cutting edge thickness difference hair when haircut becomes an inclined plane, it can lead to haircut effect not good to manage hair whole like this, it is pleasing to the eye to look, the reversal is polished and can be avoided one face because the time overlength of polishing produces the phenomenon that generates heat, cutting edge thickness difference about can avoiding when the reversal is polished, thereby can guarantee the cutting plane of hair when haircut after polishing the completion, make.
4. This a grinding device for small-size tool bit through couple and the mutual joint of solid fixed ring, the spring has played a towed effect to the tool bit when the tool bit is polished like this to the spring can also absorb and dissolve the vibration that produces when the tool bit is polished, thereby the tool bit just can be steady when polishing polish at the top of abrasive disk two, thereby the stationarity when promoting the device and polish.
5. This a grinding device for small-size tool bit, the guide block has changed driving belt's transmission orbit, changes the transmission orbit of circular arc type into the transmission orbit of ninety degrees, utilizes the movable pulley principle like this, and the user is when rotating the handle and polish the tool bit, more laborsaving to utilize the fixed pulley principle to increase the power arm, like this can the at utmost when rotating output.
6. This a grinding device for small-size tool bit, the top fixedly connected with splashproof ring of working disc has easily because friction produces the mars at the process of polishing, and the splash-proof setting of ring prevents the sputter of mars, has guaranteed that the mars sputter can not harm the user to promote the device degree of safety.
7. This a grinding device for small-size tool bit, this a grinding device for small-size tool bit is when installing the tool bit at the front end of connecting rod, because the factor that receives gravity, the tool bit downstream meets with abrasive disk two, abrasive disk two just can polish the tool bit when rotating like this, utilize the gravity of self will, the tool bit is placed and is polished on abrasive disk two, avoid with the hand fixed, just so can avoid tool bit fish tail user's hand when polishing, thereby protected the user, avoided the user to bear the bitter of skin meat.
8. According to the polishing device for the small-sized tool bit, the front end and the rear end of the tool bit can be polished by the outer ring of the second grinding wheel disc by the method of overlapping the first grinding wheel disc and the second grinding wheel disc, so that the tool bit is polished more fully, and the tool bit is convenient to reuse in the future.
9. This a grinding device for small-size tool bit, because the aluminum alloy is heated the back and produces chemical reaction with the oxygen in the air, can produce the alumina of one deck dark colour on the surface, very influence the pleasing to the eye of tool bit like this, the reversal is polished and can be avoided a face to polish for a long time and generate heat, and tool bit and two short separation of abrasive wheel dish during the reversal to reduce the temperature of polished surface.
Drawings
FIG. 1 is a schematic view of a polishing device for a small-sized tool bit according to the present invention;
FIG. 2 is a schematic view of a hook structure of a polishing device for a small-sized tool bit according to the present invention;
FIG. 3 is a schematic view of a turntable of a polishing device for a small-sized tool bit according to the present invention;
FIG. 4 is a schematic view of a fixing block of a polishing device for a small-sized tool bit according to the present invention;
FIG. 5 is a schematic view of a connecting rod of a polishing device for a small-sized tool bit according to the present invention;
FIG. 6 is a schematic plan view of a transmission structure of a polishing device for a small-sized tool bit according to the present invention;
FIG. 7 is a schematic view of a rotating device of a polishing device for a small-sized tool bit according to the present invention;
fig. 8 is a schematic elevation view showing the gear engaging teeth of a polishing device for a small-sized cutter head according to the present invention.
In the figure: 1 working disc, 2 splash-proof rings, 3 fixed seats, 4 grinding wheel discs I, 5 grinding wheel discs II, 6 fixed frames, 7 rotating rods, 8 handles, 9 triangular plates, 10 guide blocks, 11 rotating shafts, 12 rotating disc I, 13 rotating disc II, 14 fixed frames, 15 fixed blocks, 16 connecting rods, 17 tool bits, 18 fixed plates, 19 connecting shafts, 20 fixed sleeves, 21 springs, 22 hooks, 23 cams, 24 teeth, 25 fixed rods, 26 fixed rings, 27 gears, 28 fixed balls and 29 transmission belts.
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. 1-8, the present invention provides a technical solution: a polishing device for a small-sized tool bit comprises a working disc 1, wherein a splash-proof ring 2 is fixedly connected to the top of the working disc 1, sparks are easy to generate due to friction in the polishing process, the splash-proof ring 2 is arranged to prevent the sparks from sputtering, and the sparks sputtering is prevented from injuring a user, so that the safety degree of the device is improved, a polishing device is placed in the splash-proof ring 2 and comprises a fixed seat 3, the fixed seat 3 is placed in the splash-proof ring 2, the fixed seat 3 is movably connected with the working disc 1, a grinding wheel disc I4 is rotatably connected to the top of the fixed seat 3, the grinding wheel disc I4 can rotate at the top of the fixed seat 3, a grinding wheel disc II 5 is fixedly connected to the top of the grinding wheel disc I4, the diameter of the grinding wheel disc II 5 is smaller than that of the grinding wheel disc I4, a fixed frame 6 is fixedly connected to the top of the fixed seat 3, the fixed frame 6 is, a rotating rod 7 is rotatably connected on the fixed frame 6, the rotating rod 7 is fixedly connected with a second grinding wheel disk 5, the rotating rod 7 penetrates through the fixed frame 6 and is fixedly connected with the second grinding wheel disk 5, a handle 8 is fixedly connected with the top of the rotating rod 7, when the device is used, a user rotates the handle 8 to drive the first grinding wheel disk 4 to rotate on the fixed seat 3 through the rotating rod 7, so that the workpiece is polished, a triangular plate 9 is fixedly connected with the rear end of the fixed frame 6, a guide block 10 is fixedly connected with the top of the triangular plate 9, the guide block 10 penetrates through the triangular plate 9 and is fixedly connected with the triangular plate 9, the guide block 10 is in a cylindrical shape with large upper end diameter and small middle diameter, a rotating shaft 11 is rotatably connected with the top of the triangular plate 9, the rotating shaft 11 is rotatably connected with the second grinding wheel disk 5, the rotating shaft 11 can rotate on the second grinding wheel disk, a first rotating disk 12 is fixedly sleeved on a rotating shaft 11, the first rotating disk 12 is positioned below a triangular plate 9, a second rotating disk 13 is rotatably sleeved on the rotating shaft 11, the second rotating disk 13 is rotatably connected with a second grinding wheel disk 5, a fixing frame 14 is fixedly connected at the bottom of a fixing frame 6, a fixing block 15 is rotatably connected inside the fixing frame 14, the fixing block 15 can rotate inside the fixing frame 14, the front end of the fixing block 15 is rotatably connected with a connecting rod 16, the rear end of the connecting rod 16 penetrates through the fixing block 15, the front end of the connecting rod 16 is rotatably connected with a tool bit 17, the tool bit 17 is contacted with the second grinding wheel disk 5, a fixing plate 18 is fixedly connected at the top of a fixing seat 3, a connecting shaft 19 is fixedly connected at the front end of the fixing plate 18, a fixing sleeve 20 is fixedly sleeved on the rear end of the connecting shaft 19, the front end of the connecting shaft 19 is fixedly connected with a spring 21, the front end of the spring 21 is fixedly connected with a hook 22, a cam 23 is fixedly sleeved on the rotating shaft 11, the cam 23 is fixedly connected with the bottom of the first rotating disk 12, the top of the second rotating disk 13 is fixedly connected with teeth 24, the left end of the fixed frame 14 is rotatably connected with a fixed rod 25, the right end of the fixed rod 25 penetrates through the fixed frame 14 and the fixed block 15, the fixed rod 25 drives the fixed block 15 to rotate in the fixed frame 14, the bottom of the fixed rod 25 is fixedly connected with a fixed ring 26, the fixed ring 26 is clamped with the hook 22, the rear end of the connecting rod 16 is fixedly connected with a gear 27, the gear 27 is meshed with the teeth 24 under the working condition, the rear end of the connecting rod 16 is fixedly connected with a fixed ball 28, a transmission belt 29 is sleeved on the, because the guide block 10 changes the transmission track of the transmission belt 29, the transmission track of the circular arc is changed into the transmission track of ninety degrees, so that by utilizing the principle of a movable pulley, when a user rotates the handle 8 to polish the cutter head 17, more labor is saved, and by utilizing the principle of a fixed pulley, a power arm is added, so that the output can be output to the maximum degree during rotation, when the device is used, the user rotates the handle 8 through rotating the handle 8, the handle 8 drives the grinding wheel disk I4 to rotate on the fixed seat 3 through the rotating rod 7, the rotating rod 7 drives the rotating disk I12 to rotate through the transmission belt 29, the rotating disk I12 rotates to drive the rotating disk II 13 to rotate on the grinding wheel disk II 5 through the rotating shaft 11, because the fixed block 15 can rotate inside the fixed frame 14, when the cutter head 17 is arranged at the front end of the connecting rod 16, the cutter head 17 moves downwards to be connected with the grinding wheel II 5 due to, therefore, the tool bit 17 can be polished by the second grinding wheel disk 5 when the second grinding wheel disk rotates, due to the small volume of the tool bit, when the tool bit is polished by being held by a hand, a certain vibration can be generated due to polishing, so that the hand-held polishing is very easy to release, once the tool bit 17 is released, the tool bit 17 falls on the rotary polishing tool, the tool bit 17 can fly by the rotating force of the polishing tool, the tool bit 17 is a sharp object and can hurt people when being touched by flying people, if the tool bit 17 touches fragile organs such as eyes, the consequence is not reasonable, the tool bit 17 can move downwards to be connected with the second grinding wheel disk 5 by utilizing gravity, and due to the fact that the hook 22 is mutually clamped with the fixing ring 26, the spring 21 plays a traction effect on the tool bit 17 when the tool bit 17 is polished, the problem that the tool bit is easy to release due to being held by hand by being held by a hand is avoided, the potential safety hazard during polishing is reduced, and the spring 21, therefore, the tool bit 17 can be smoothly polished at the top of the grinding wheel disk II 5 when being polished, the cam 23 is driven to rotate when the rotary disk I12 rotates, when the cam 23 is connected with the fixed ball 28, the fixed ball 28 is pushed downwards by the convex part of the cam 23, the gear 27 is driven to move downwards when the fixed ball 28 moves downwards, and the gear 27 is meshed with the teeth 24 when moving downwards, so that the rotary rod 7 drives the rotary disk II 13 to rotate, when the teeth 24 are meshed with the gear 27, the rotary disk II 13 drives the teeth 24 to rotate, the teeth 24 drives the connecting rod 16 to rotate through the gear 27, the connecting rod 16 rotates to drive the tool bit 17 to turn over, the tool bit 17 does not need to turn over back and forth when being polished, compared with the mode of being clamped together for polishing, the polishing can only depend on the experience of an operator to continuously observe the polishing degree of the tool bit 17 when being polished together, if the time for polishing one surface is too long, the thicknesses of the front and back surfaces of the cutter head 17 are different, the thicknesses of the cutting edges are different, the cutting surface of hair is formed into an inclined surface when hair is dressed, so that the hair dressing effect is poor after hair dressing is finished integrally, the appearance is not attractive, the phenomenon that one surface generates heat due to too long polishing time can be avoided by reverse polishing, a layer of dark aluminum oxide can be generated on the surface due to chemical reaction between the aluminum alloy and oxygen in the air after the aluminum alloy is heated, the attractiveness of the cutter head 17 is influenced, one surface can be prevented from being polished and heated for a long time by reverse polishing, the cutter head 17 is separated from the grinding wheel disk II 5 for a short time during reverse polishing, the temperature of the polished surface is reduced, the thicknesses of the upper and lower cutting edges can be avoided during reverse polishing, the cutting surface of hair can be ensured to be a plane after polishing is finished, the hair style is more attractive, the front and back, thereby greatly improving the grinding time.
The working principle is as follows:
firstly, when the device is used, a tool bit 17 needing to be polished is fixed at the front end of a connecting rod 16, and a hook 22 is clamped with a fixing ring 26;
secondly, a user rotates the handle 8, the handle 8 rotates to drive the first grinding wheel disk 4 to rotate on the fixed seat 3 through the rotating rod 7, the rotating rod 7 drives the first rotary disk 12 to rotate through the transmission belt 29, and the first rotary disk 12 rotates to drive the second rotary disk 13 to rotate on the second grinding wheel disk 5 through the rotating shaft 11;
thirdly, as the fixing block 15 can rotate in the fixing frame 14, when the tool bit 17 is installed at the front end of the connecting rod 16, due to the factor of gravity, the tool bit 17 moves downwards to be connected with the grinding wheel disc II 5, so that the grinding wheel disc II 5 can grind the tool bit 17 when rotating, and as the hook 22 is clamped with the fixing ring 26, the spring 21 plays a role in drawing the tool bit 17 when grinding the tool bit 17, and the spring 21 can absorb and resolve the vibration generated when grinding the tool bit 17, so that the tool bit 17 can stably grind the top of the grinding wheel disc II 5 when grinding;
fourthly, when the first rotating disk 12 rotates, the cam 23 is driven to rotate, when the cam 23 is connected with the fixed ball, the fixed ball 28 is pushed downwards by the convex part of the cam 23, when the fixed ball 28 moves downwards, the gear 27 moves downwards, when the gear 27 moves downwards, the gear is meshed with the teeth 24, therefore, the rotating rod 7 drives the second rotating disk 13 to rotate, when the teeth 24 are meshed with the gear 27, the second rotating disk 13 drives the teeth 24 to rotate, the teeth 24 drive the connecting rod 16 to rotate through the gear 27, and the connecting rod 16 rotates so as to drive the cutter head 17 to turn;
the fifth step, driving belt 29 has been cup jointed on dwang 7 and carousel 12, dwang 7, carousel 12 passes through driving belt 29 transmission with guide block 10 and is connected, because guide block 10 has changed driving belt 29's transmission orbit, change the transmission orbit of circular arc type into ninety degrees transmission orbit, utilize the movable pulley principle like this, the user is when rotating handle 8 and polishing tool bit 17, more laborsaving, and utilize the fixed pulley principle to increase the power arm, output that like this can the at utmost when rotating.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a grinding device for small-size tool bit, includes working disc (1), the top fixedly connected with splashproof ring (2) of working disc (1), its characterized in that: a fixed seat (3) is arranged inside the splash-proof ring (2), the fixed seat (3) is movably connected with the working disc (1), the top of the fixed seat (3) is rotatably connected with a first grinding wheel disc (4), a tool bit (17) is rotatably connected to the first grinding wheel disc (4), the top of the first grinding wheel disc (4) is fixedly connected with a second grinding wheel disc (5), the top of the fixed seat (3) is fixedly connected with a fixed frame (6), the fixed frame (6) is U-shaped, the left end and the right end of the fixed frame (6) are both fixedly connected to the top of the fixed seat (3), and a rotating device is arranged on the fixed frame (6); the rotating device comprises a rotating rod (7), the rotating rod (7) is rotatably connected to the fixing frame (6), the rotating rod (7) is fixedly connected with the second grinding wheel disc (5), the rotating rod (7) penetrates through the fixing frame (6) to be fixedly connected with the second grinding wheel disc (5), and the top of the rotating rod (7) is fixedly connected with a plate handle (8); and a transmission belt (29) is sleeved on the rotating rod (7) and the first rotating disk (12), and the rotating rod (7), the first rotating disk (12) and the guide block (10) are in transmission connection through the transmission belt (29).
2. A sharpening device for small blades as defined in claim 1, in which: the rear end fixedly connected with set-square (9) of mount (6), the top fixedly connected with guide block (10) of set-square (9), guide block (10) run through set-square (9) fixed connection on set-square (9), the top of set-square (9) is rotated and is connected with pivot (11), pivot (11) are rotated with two (5) of grinding wheel dish and are connected, pivot (11) run through set-square (9) and are rotated with two (5) of grinding wheel dish and be connected.
3. A sharpening device for small blades as claimed in claim 2, in which: the fixed cover is connected with carousel one (12) on pivot (11), carousel one (12) are located the below of set-square (9), rotate on pivot (11) and cup joint carousel two (13), carousel two (13) rotate with emery wheel dish two (5) and are connected.
4. A sharpening device for small blades as defined in claim 1, in which: the bottom fixedly connected with of mount (6) fixes frame (14), the inside rotation of fixing frame (14) is connected with fixed block (15), the front end rotation of fixed block (15) is connected with connecting rod (16), fixed block (15) are run through to the rear end of connecting rod (16), the front end and the tool bit (17) of connecting rod (16) rotate and are connected, tool bit (17) contact with emery wheel dish two (5).
5. A sharpening device for small blades as defined in claim 1, in which: the top fixedly connected with fixed plate (18) of fixing base (3), the front end fixedly connected with connecting axle (19) of fixed plate (18), fixed cover (20) have been cup jointed on the rear end of connecting axle (19), fixed cover (20) and fixed plate (18) fixed connection, the rear end of connecting axle (19) runs through fixed plate (18) and fixedly cup joints with fixed cover (20), the front end fixedly connected with spring (21) of connecting axle (19), the front end fixedly connected with couple (22) of spring (21).
6. A sharpening device for small blades as claimed in claim 3, in which: the fixed cam (23) that has cup jointed on pivot (11), cam (23) fixed connection is in the bottom of carousel one (12), the top fixedly connected with tooth (24) of carousel two (13).
7. A sharpening device for small blades as claimed in claim 4, in which: the left end of fixed frame (14) is rotated and is connected with dead lever (25), the right-hand member of dead lever (25) runs through fixed frame (14) and fixed block (15), the solid fixed ring of bottom fixedly connected with (26) of dead lever (25), gu fixed ring (26) and couple (22) joint each other.
8. A sharpening device for small blades as claimed in claim 4, in which: the rear end fixedly connected with gear (27) of connecting rod (16), gear (27) and tooth (24) meshing are connected, the rear end fixedly connected with fixed pearl (28) of connecting rod (16).
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| CN202011001022.1A CN112091735A (en) | 2020-09-22 | 2020-09-22 | Polishing device for small tool bit |
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| CN202011001022.1A CN112091735A (en) | 2020-09-22 | 2020-09-22 | Polishing device for small tool bit |
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| CN113458932A (en) * | 2021-05-31 | 2021-10-01 | 邱凌燕 | Cutter equipment of polishing |
| CN113547394A (en) * | 2021-08-02 | 2021-10-26 | 李威 | Knife sharpening device suitable for kitchen knife |
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