CN112605727B - Clam blade sharpening device capable of automatically changing polishing angle - Google Patents
Clam blade sharpening device capable of automatically changing polishing angle Download PDFInfo
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- CN112605727B CN112605727B CN202110054258.XA CN202110054258A CN112605727B CN 112605727 B CN112605727 B CN 112605727B CN 202110054258 A CN202110054258 A CN 202110054258A CN 112605727 B CN112605727 B CN 112605727B
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- fixedly connected
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- grinding
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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
- B24B3/60—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of tools not covered by the preceding subgroups
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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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/006—Machines or devices using grinding or polishing belts; Accessories therefor for special purposes, e.g. for television tubes, car bumpers
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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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a clam blade sharpening device capable of automatically changing a polishing angle, which comprises a base machine, a top plate and a right blade sharpening seat, wherein four supporting rods for supporting are fixedly connected to the base machine, the upper ends of the supporting rods are fixedly connected with the top plate, a blade sharpening seat fixing head is fixedly connected to the lower end face of the top plate at a proper position, a blade sharpening seat fixing shaft is fixedly connected to the blade sharpening seat fixing head, and a left blade sharpening seat and a right blade sharpening seat are respectively and rotatably connected to the blade sharpening seat fixing shaft. The operation is free and smooth, and the change of the extrusion angle of the polishing area is uniform during polishing.
Description
Technical Field
The invention relates to grinding tool correlation, in particular to a clam blade grinding device capable of automatically changing a grinding angle.
Background
The clam edge is one of the edge-cutting modes of the knife, is also called convex grinding, and is characterized in that the cross section of the knife edge presents two symmetrical arcs, the grinding difficulty of the knife edge is the highest, and the clam edge has the characteristics of strong sharp edge and smooth sharp edge;
the existing mass production knife is mainly flat grinding or concave grinding due to the relation of a processing method, the clam edge is usually only seen in a manual knife except for a warrior knife, in the prior art, the convex grinding is mostly carried out by using sand paper or a sand belt machine, however, the mode is not easy to control the power or angle, and the difficulty is improved particularly for a heavy chopping knife.
Disclosure of Invention
The invention aims to solve the technical problem of providing a clam blade sharpening device capable of automatically changing a sharpening angle, solving the problem that the clam blade is difficult to sharpen and realizing the grinding of the clam blade by a machine.
The invention is realized by the following technical scheme.
The invention relates to a clam blade sharpener capable of automatically changing a sharpening angle, which comprises a base, a top plate and a right sharpener seat, wherein four supporting rods for supporting are fixedly connected to the base, the upper ends of the supporting rods are fixedly connected with the top plate, a sharpener seat fixing head is fixedly connected to the lower end surface of the top plate at a proper position, a sharpener seat fixing shaft is fixedly connected to the sharpener seat fixing head, a left sharpener seat and a right sharpener seat are respectively and rotatably connected to the sharpener seat fixing shaft, a reverse transmission cavity positioned in the middle of the front side part of the base, a left moving cavity with an upward opening and positioned on the left side of the reverse transmission cavity, and a right moving cavity with an upward opening and positioned on the right side of the reverse transmission cavity are arranged in the base, an angle adjusting mechanism for controlling the angles of the right sharpener seat and the right sharpener seat is arranged in the base, and the angle adjusting mechanism comprises a left adjusting shaft rotatably connected between the left cavity wall and the right cavity wall of the left moving cavity, the left end of the left adjusting shaft penetrates through the base and extends out of the base and is fixedly connected with an adjusting knob for manual adjustment, the right part of the left adjusting shaft extends into the reverse transmission cavity and is fixedly connected with a left bevel gear in the reverse transmission cavity, the lower cavity wall of the reverse transmission cavity is rotatably connected with a fixed shaft, the fixed shaft is fixedly connected with a lower bevel gear which is rotatably connected with the left bevel gear, a right adjusting shaft is rotatably connected between the left cavity wall and the right cavity wall of the right moving cavity, the left part of the right adjusting shaft extends into the reverse transmission cavity and is fixedly connected with a right bevel gear which is meshed with the lower bevel gear in the reverse transmission cavity, the left adjusting shaft is fixedly connected with a left threaded rod with threads on the surface in the left moving cavity, and a left moving block which is in transmission threaded connection with the left threaded rod is slidably connected in the left moving cavity, and a right threaded rod with threads on the surface is fixedly connected to the part of the right adjusting shaft in the right moving cavity, a right moving block in transmission threaded connection with the right threaded rod is connected to the right moving cavity in a sliding mode, sliding rods are fixedly connected to the upper ends of the right moving block and the left moving block respectively, sliding blocks are connected to the sliding rods in a sliding mode, the sliding blocks on the left side are connected with the left sharpening seat in a hinged mode, and the sliding blocks on the right side are connected with the right sharpening seat in a hinged mode.
Furthermore, the left knife grinding seat and the right knife grinding seat are respectively provided with a knife grinding seat cavity which is symmetrical with each other and has opposite openings, the knife grinding seat cavity is internally provided with a variable angle grinding mechanism which can change the angle along with the change of the angle adjusting mechanism, the variable angle grinding mechanism comprises an elastic shaft which is connected in a proper position of the cavity wall at one side of the knife grinding seat cavity far away from the symmetrical shaft in a sliding way, one end of the elastic shaft far away from the symmetrical shaft penetrates through the side corresponding to the left knife grinding seat or the side corresponding to the right knife grinding seat to extend to the outside and is fixedly connected with an anti-falling plate, the elastic shaft is fixedly connected with a clamp spring plate at a proper position in the knife grinding seat cavity, an extrusion spring is fixedly connected between the clamp spring plate and the cavity wall at one side of the knife grinding seat cavity far away from the symmetrical shaft, one end of the elastic shaft close to the symmetrical shaft is fixedly connected with a sand belt fixing shaft, and the sand belt seat is rotatably connected on the sand belt fixing shaft, the belt grinding machine comprises a belt grinding seat, a belt grinding wheel seat, a belt grinding wheel seat and a belt grinding wheel seat, wherein the belt grinding wheel seat is arranged on the belt grinding wheel seat, and the belt grinding wheel seat is arranged on the belt grinding wheel seat.
Further, still be equipped with in the seat chamber of whetting a knife and do the power input mechanism that the emery belt coiled up power, power input mechanism includes fixed connection in the left side whets a knife in the seat chamber the rear side chamber wall motor in the seat chamber of whetting a knife, motor power is connected with the motor shaft, the motor shaft stretch into to in the seat chamber of whetting a knife and fixedly connected with roating seat, three rotary spring piece of roating seat outer lane fixedly connected with just rotary spring piece other end fixedly connected with action wheel, and the right side it is connected with driven wheel axle just to rotate between the suitable position of the front and back chamber wall in the seat chamber of whetting a knife just driven epaxial fixedly connected with of wheel, from the driving wheel with install the friction belt on the action wheel, the epaxial suitable position of upper band fixedly connected with of wheel with the friction pulley that the friction belt contacted.
Furthermore, the proper position of the front side part of the base is also provided with a cutter extending groove with openings at the front and back sides and the upper side, a cutter clamping wheel cavity which is positioned at the left and right sides of the cutter extending groove and is communicated with the cutter extending groove, and a symmetrical transmission cavity which is positioned at the lower side of the cutter clamping wheel cavity, a cutter fixing mechanism for clamping a cutter to be ground is arranged in the cutter clamping wheel cavity, the cutter fixing mechanism comprises two cutter fixing shafts which are respectively and rotatably connected between the upper cavity wall and the lower cavity wall of the two cutter clamping wheel cavities, the cutter fixing shafts are respectively and fixedly connected with three fixed spring pieces in the cutter clamping wheel cavity, one ends of the fixed spring pieces, far away from the circle center, are fixedly connected with spring fixing wheels, the surfaces of the spring fixing wheels are respectively and fixedly connected with cutter fixing wheels, the lower side part of each cutter fixing shaft penetrates through the symmetrical transmission cavity and is fixedly connected with symmetrical gears in the symmetrical transmission cavity, and the two symmetrical gears are mutually meshed, the knife to be ground can be clamped between the knife fixing wheels through the pressure relaxed by the fixing spring piece.
Furthermore, the base is also provided with a round transmission cavity positioned at the left side of the reverse transmission cavity, a strip-shaped cavity positioned at the upper side of the round transmission cavity and communicated with the round transmission cavity, and an extrusion cavity positioned in the rear side part of the base, the base is internally provided with an angle change mechanism capable of controlling the angle of the angle adjustment mechanism to be continuously reduced, the angle change mechanism comprises an extrusion seat which is slidably connected in the extrusion cavity, the front side part of the extrusion seat penetrates through the corresponding position of the front cavity wall of the extrusion cavity and extends out to the outside for contacting with the tool to be ground, the rear end surface of the extrusion seat is internally provided with a sliding hole with a backward opening, the symmetrical transmission cavity is slidably connected with an extension rod, the rear end of the extension rod is fixedly connected with the rear cavity wall of the extrusion cavity, and the rear end surface of the extrusion seat is fixedly connected with the rear cavity wall of the extrusion cavity, sliding connection has long pull rod just in the bar chamber long pull rod rear end passes to correspond the base stretch into to in the reverse drive chamber with extrusion seat fixed connection, long pull rod front end passes to correspond the base stretches out to outside and fixedly connected with clip reed, clip reed with fixedly connected with long spring between the base front end.
Furthermore, the left adjusting shaft is fixedly connected with an inner ratchet ring in the circular transmission cavity, four ratchet pieces are hinged to the inner ratchet ring, a cylindrical ratchet spring piece is fixedly connected between each ratchet piece and the inner ratchet ring, the left adjusting shaft is further rotatably connected with a hollow gear in the circular transmission cavity, ratchet teeth matched with the ratchet pieces are arranged on the inner ring of the hollow gear, and a rack which is in proper length and meshed with the hollow gear is fixedly connected to the lower end of the part, in the strip-shaped cavity, of the long pull rod.
The invention has the beneficial effects that: the device simple structure cost is cheap, the simple operation, the principle is simple and later maintenance of being convenient for closes the maintenance, the device's left and right sides structure symmetry basically and equal symmetry such as angle change when polishing, can guarantee the cutting edge bilateral symmetry that polishes out, the device is from taking electronic abrasive band, the efficiency of polishing is higher, and can manually change the position of sword in order to change the position of polishing when polishing, make the operation seem freely handy, the change of the regional crowded angle of polishing during polishing is comparatively even, the cross section curve that polishes out is also mellow and full, need not the manual control angle, the degree of difficulty greatly reduced of operation, the wheel of fixed back of a knife need not alone manual regulation can adapt to the blade of each state thickness, adaptability is wider.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of the embodiment of the present invention at B in FIG. 2;
FIG. 4 is an enlarged schematic view of the structure at C in FIG. 1 according to an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view at D-D in FIG. 1 according to an embodiment of the present invention;
FIG. 6 is an enlarged schematic view of the embodiment of the present invention at E in FIG. 5;
FIG. 7 is a schematic cross-sectional view at F-F in FIG. 3 according to an embodiment of the present invention;
FIG. 8 is a schematic cross-sectional view at G-G in FIG. 1 according to an embodiment of the present invention.
Detailed Description
The invention will now be described in detail with reference to fig. 1-8, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Referring to fig. 1-8, the clam blade sharpener capable of automatically changing a sharpening angle includes a base 11, a top plate 13 and a right sharpening seat 46, four supporting rods 12 for supporting are fixedly connected to the base 11, the top end of each supporting rod 12 is fixedly connected to the top plate 13, a sharpening seat fixing head 48 is fixedly connected to a proper position on the lower end surface of the top plate 13, a sharpening seat fixing shaft 47 is fixedly connected to the sharpening seat fixing head 48, a left sharpening seat 45 and a right sharpening seat 46 are respectively and rotatably connected to the sharpening seat fixing shaft 47, a reverse transmission cavity 14 located in the middle of the front portion of the base 11, a left moving cavity 20 with an upward opening and located on the left side of the reverse transmission cavity 14, and a right moving cavity 23 with an upward opening and located on the right side of the reverse transmission cavity 14 are arranged in the base 11, an angle adjusting mechanism 81 for controlling the angles of the right sharpening seat 46 and the right sharpening seat 46 is arranged in the base 11, the angle adjusting mechanism 81 comprises a left adjusting shaft 22 rotatably connected between the left and right cavity walls of the left moving cavity 20, the left end of the left adjusting shaft 22 passes through the corresponding base 11 and extends to the outside and is fixedly connected with an adjusting knob 21 for manual adjustment, the right part of the left adjusting shaft 22 extends into the reverse transmission cavity 14 and is fixedly connected with a left bevel gear 35 in the reverse transmission cavity 14, the lower cavity wall of the reverse transmission cavity 14 is rotatably connected with a fixed shaft 36, the fixed shaft 36 is fixedly connected with a lower bevel gear 37 rotatably connected with the left bevel gear 35, a right adjusting shaft 39 is rotatably connected between the left and right cavity walls of the right moving cavity 23, the left part of the right adjusting shaft 39 extends into the reverse transmission cavity 14 and is fixedly connected with a right bevel gear 38 engaged with the lower bevel gear 37 in the reverse transmission cavity 14, the left adjusting shaft 22 is fixedly connected with a threaded left threaded rod 24 in the left moving cavity 20, a left moving block 25 in transmission threaded connection with the left threaded rod 24 is slidably connected in the left moving cavity 20, a right threaded rod 40 with threads on the surface is fixedly connected in part of the right adjusting shaft 39 in the right moving cavity 23, a right moving block 41 in transmission threaded connection with the right threaded rod 40 is slidably connected in the right moving cavity 23, sliding rods 42 are fixedly connected at the upper ends of the right moving block 41 and the left moving block 25, sliding blocks 43 are slidably connected on the sliding rods 42, wherein the sliding blocks 43 on the left side are hinged with the left sharpening seat 45, and the sliding blocks 43 on the right side are hinged with the right sharpening seat 46.
Beneficially, the left sharpening seat 45 and the right sharpening seat 46 are respectively provided with a sharpening seat cavity 49 which are symmetrical to each other and have opposite openings, the sharpening seat cavity 49 is provided with an angle-variable sharpening mechanism 82 which can change an angle along with the change of the angle by the angle adjusting mechanism 81, the angle-variable sharpening mechanism 82 comprises an elastic shaft 50 which is slidably connected in a proper position of the cavity wall of one side of the sharpening seat cavity 49 away from the symmetry axis, one end of the elastic shaft 50 away from the symmetry axis penetrates through the corresponding left sharpening seat 45 or the corresponding right sharpening seat 46 to extend to the outside and is fixedly connected with an anti-falling plate 51, the elastic shaft 50 is fixedly connected with a clamp spring plate 52 in a proper position of the sharpening seat cavity 49, an extrusion spring 53 is fixedly connected between the clamp spring plate 52 and the cavity wall of one side of the sharpening seat cavity 49 away from the symmetry axis, one end of the elastic shaft 50 close to the symmetry axis is fixedly connected with a fixing shaft 54, the abrasive belt fixing shaft 54 is rotatably connected with an abrasive belt seat 55, a lower pulley shaft 56 is rotatably connected to a proper position on the lower side of the abrasive belt seat 55, lower pulleys 57 are fixedly connected to the lower pulley shaft 56, an upper pulley shaft 60 is rotatably connected to a proper position on the upper side of the abrasive belt seat 55, upper pulleys 61 are fixedly connected to the upper pulley shaft 60 at any time, abrasive belt rolls 58 for polishing are installed on the upper pulleys 61 and the corresponding lower pulleys 57, and a supporting plate 59 is fixedly connected to one side end face of the abrasive belt seat 55 close to the symmetry axis and used for supporting the abrasive belt rolls 58.
Advantageously, a power input mechanism 83 for powering the sanding belt roll 58 is also provided in the sanding block cavity 49, the power input mechanism 83 comprises a motor 80 fixedly connected in the rear side cavity wall of the sharpening seat cavity 49 in the left sharpening seat 45, the motor 80 is connected with a motor shaft 64 in a power mode, the motor shaft 64 extends into the sharpening base cavity 49 and is fixedly connected with a rotating base 65, three rotary spring pieces 66 are fixedly connected with the outer ring of the rotary seat 65, the other end of each rotary spring piece 66 is fixedly connected with a driving wheel 67, a driven wheel shaft 84 is rotatably connected between the proper positions of the front cavity wall and the rear cavity wall of the right sharpening seat cavity 49, a driven wheel 85 is fixedly connected on the driven wheel shaft 84, the driven wheel 85 and the driving wheel 67 are provided with a friction belt 63, and the proper position of the upper pulley shaft 60 is fixedly connected with a friction wheel 62 which is in contact with the friction belt 63.
Beneficially, a cutter extending groove 18 with openings at the front side and the rear side and the upper side, a cutter clamping wheel cavity 19 located at the left and the right sides of the cutter extending groove 18 and communicated with the cutter extending groove 18, and a symmetrical transmission cavity 17 located at the lower side of the cutter clamping wheel cavity 19 are further provided at suitable positions of the front side portion of the base 11, a cutter fixing mechanism 86 for clamping a cutter 69 to be ground is provided in the cutter clamping wheel cavity 19, the cutter fixing mechanism 86 includes two cutter fixing shafts 75 rotatably connected between the upper and the lower cavity walls of the two cutter clamping wheel cavities 19 respectively, the cutter fixing shafts 75 are fixedly connected with three fixing spring pieces 79 in the cutter clamping wheel cavity 19, one ends of the fixing spring pieces 79 far away from the circle center are fixedly connected with spring fixing wheels 78, the surfaces of the spring fixing wheels 78 are fixedly connected with cutter fixing wheels 76, the lower side portion of the cutter fixing shafts 75 penetrates through the symmetrical transmission cavity 17 and is fixedly connected with symmetrical gears 77 and symmetrical transmission cavities 17 The two symmetrical gears 77 are engaged with each other, and the tool to be ground 69 can be clamped between the tool fixing wheels 76 by the pressure relaxed by the fixing spring piece 79.
Beneficially, the base 11 is further provided with a circular transmission cavity 15 located at the left side of the reverse transmission cavity 14, a bar-shaped cavity 16 located at the upper side of the circular transmission cavity 15 and communicated with the circular transmission cavity 15, and a squeezing cavity 74 located in the rear side portion of the base 11, the base 11 is provided with an angle changing mechanism 87 capable of controlling the angle of the angle adjusting mechanism 81 to be continuously reduced, the angle changing mechanism 87 comprises a squeezing seat 70 slidably connected in the squeezing cavity 74, the front side portion of the squeezing seat 70 passes through the corresponding position of the front cavity wall of the squeezing cavity 74 and extends out to the outside for contacting with the tool 69 to be ground, the rear end surface of the squeezing seat 70 is provided with a sliding hole 71 with a backward opening, an extending rod 72 is slidably connected in the symmetrical transmission cavity 17, the rear end of the extending rod 72 is fixedly connected with the rear cavity wall of the squeezing cavity 74, and the rear end surface of the squeezing seat 70 is fixedly connected with the rear cavity wall of the squeezing cavity 74, a long pull rod 31 is connected in the strip-shaped cavity 16 in a sliding mode, the rear end of the long pull rod 31 penetrates through the base 11 correspondingly and extends into the reverse transmission cavity 14 to be fixedly connected with the extrusion seat 70, the front end of the long pull rod 31 penetrates through the base 11 correspondingly and extends out of the reverse transmission cavity and is fixedly connected with a clamping spring piece 33, and a long spring 34 is fixedly connected between the clamping spring piece 33 and the front end of the base 11.
Advantageously, an inner ratchet ring 28 is fixedly connected to the left adjusting shaft 22 in the circular transmission cavity 15, four ratchet pieces 29 are hinged to the inner ratchet ring 28, a cylindrical ratchet spring piece 30 is fixedly connected between the ratchet pieces 29 and the inner ratchet ring 28, a hollow gear 26 is further rotatably connected to the left adjusting shaft 22 in the circular transmission cavity 15, ratchet teeth 27 matched with the ratchet pieces 29 are arranged on the inner ring of the hollow gear 26, and a rack 32 which is meshed with the hollow gear 26 and is of a proper length is fixedly connected to the lower end of the part of the long pull rod 31 in the strip-shaped cavity 16.
Sequence of mechanical actions of the whole device:
1: in the ready state, the long spring 34 and the return spring 73 are relaxed, the hollow gear 26 is disengaged from the rack 32, the extrusion spring 53 is naturally relaxed, the friction wheel 62 is in contact with the friction belt 63, the tool 69 to be ground is inserted into the tool extending groove 18 from back to front in the direction of the back of the tool, the tool fixing wheel 76 is in contact with the tool 69 to be ground, the rear fixing spring plate 79 is compressed by the spring fixing wheel 78 to generate a reaction force, so that the tool 69 to be ground is clamped by the tool fixing wheel 76, the tool 69 to be ground is fixed and the tool 69 to be ground can be drawn back and forth, at the same time, the blade is between the two belt seats 55 but not necessarily in contact with the tool 69 to be ground, the adjustment knob 21 is manually rotated, the left adjustment shaft 22 is rotated by the adjustment knob 21, the left adjustment shaft 22 drives the right adjustment shaft 39 to rotate in the opposite direction to the left adjustment shaft 22 through the left bevel gear 35, the lower bevel gear 37 and the right bevel gear 38, the left threaded rod 24 and the right threaded rod 40 rotate in the opposite direction but in the same magnitude, the left moving block 25 moves rightwards, the right moving block 41 moves leftwards at the same speed and distance, the left moving block 25 and the right moving block 41 drive the two sliding rods 42 to approach to the tool 69 to be ground, meanwhile, the sliding block 43 drives the left grinding seat 45 to clamp, the sliding block 43 slides on the sliding block 43, along with the clamping of the grinding belt roll 58 of the left grinding seat 45, the tool 69 to be ground is contacted, and when the grinding belt roll 58 is contacted with the tool 69 to be ground, the adjustment of the adjusting knob 21 is stopped;
2: starting the motor 80, rotating the motor shaft 64 and driving the driving wheel 67 to rotate through the rotating base 65 and the rotating spring piece 66, driving the friction belt 63 to move by the driving wheel 67, driving the two upper pulley shafts 60 to rotate through the two friction wheels 62 respectively by the friction belt 63, driving the left and right abrasive belt rolls 58 to move through the upper pulley 61 to polish the surface of the tool 69 to be polished, and then, manually pulling the tool 69 to be polished at a constant speed by an operator to uniformly polish the surface of the tool 69 to be polished;
3: when an angle is properly polished, an operator only needs to push the tool 69 to be polished to contact with the extrusion seat 70 and make the tool 69 to be polished press down the extrusion seat 70, the return spring 73 is compressed, the extrusion seat 70 drives the long pull rod 31 to move backwards, the long spring 34 is compressed, the rack 32 is meshed with the hollow gear 26 and drives the hollow gear 26 to rotate for a certain angle, the hollow gear 26 drives the inner ratchet ring 28 and the left adjusting shaft 22 to rotate through the matching of the ratchet teeth 27 and the ratchet piece 29, the left adjusting shaft 22 rotates to enable the left moving block 25 and the right moving block 41 to move inwards for a certain position, the included angle between the left sharpening seat 45 and the right sharpening seat 46 is reduced, the angle and the height of the elastic shaft 50 are changed to enable the contact position of the belt roll 58 and the tool 69 to be polished to be changed, and the angle of the belt seat 55 is changed due to the contact pressure of the tool 69 to be polished, namely the contact point with a smaller angle and a lower contact point, at this time, the position of the friction wheel 62 is changed, but the friction belt 63 is always in contact with the friction wheel 62 and is in a tensioning state due to the adjustment of the rotary spring piece 66 to the position of the driving wheel 67, so that the transmission of the friction belt 63 to the friction wheel 62 is always unchanged, the abrasive belt roll 58 with the changed position continues to polish the tool 69 to be ground, when the tool 69 to be ground moves forwards and does not extrude the extrusion seat 70 any more, the reset spring 73 pushes the extrusion seat 70 to reset the long spring 34 to push the clamp spring piece 33 to reset the long pull rod 31, and the ratchet teeth 27 slip on the ratchet piece 29 in the resetting process;
4: repeating the above operations, the point of the tool 69 to be ground is continuously lowered and the angle is reduced, and the cross section of the tool 69 to be ground tends to be a circular arc;
5: when the grinding is finished, the motor 80 is turned off and the tool 69 to be ground is pulled out, and the left grinding seat 45 and the right grinding seat 46 can be opened again through manually reversely twisting the adjusting knob 21 because the rack 32 is not meshed with the hollow gear 26 at the moment.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (1)
1. The utility model provides an automatic clam blade sharpening ware of angle of polishing that changes, includes base, roof and right sharpener seat, its characterized in that: the base is fixedly connected with four supporting rods for supporting, the upper end of each supporting rod is fixedly connected with the top plate, the lower end face of the top plate is fixedly connected with a grinding cutter seat fixing head at a proper position, the grinding cutter seat fixing head is fixedly connected with a grinding cutter seat fixing shaft, the grinding cutter seat fixing shaft is respectively and rotatably connected with a left grinding cutter seat and a right grinding cutter seat, the base is internally provided with a reverse transmission cavity positioned in the middle of the front part of the base, a left moving cavity with an upward opening and positioned on the left side of the reverse transmission cavity and a right moving cavity with an upward opening and positioned on the right side of the reverse transmission cavity, the base is internally provided with an angle adjusting mechanism for controlling the angles of the left grinding cutter seat and the right grinding cutter seat, the angle adjusting mechanism comprises a left adjusting shaft rotatably connected between the left wall and the right wall of the left moving cavity, and the left end of the left adjusting shaft penetrates through the corresponding base to extend to the outside and is fixedly connected with an adjusting knob for manual adjustment, the right part of the left adjusting shaft extends into the reverse transmission cavity and is fixedly connected with a left bevel gear in the reverse transmission cavity, the lower cavity wall of the reverse transmission cavity is rotatably connected with a fixed shaft, the fixed shaft is fixedly connected with a lower bevel gear rotatably connected with the left bevel gear, a right adjusting shaft is rotatably connected between the left cavity wall and the right cavity wall of the right moving cavity, the left part of the right adjusting shaft extends into the reverse transmission cavity and is fixedly connected with a right bevel gear meshed with the lower bevel gear in the reverse transmission cavity, the left adjusting shaft is fixedly connected with a left threaded rod with a threaded surface in the left moving cavity, the left moving cavity is slidably connected with a left moving block in threaded connection with the left threaded rod, the right adjusting shaft is fixedly connected with a right threaded rod with a threaded surface in the right moving cavity, and the right moving block in threaded connection with the right threaded rod in threaded transmission mode is slidably connected with the right moving cavity The upper ends of the right moving block and the left moving block are fixedly connected with sliding rods, the sliding rods are connected with sliding blocks in a sliding mode, the left sliding block is hinged with the left sharpening seat, and the right sliding block is hinged with the right sharpening seat; the angle-variable grinding mechanism comprises a grinding seat cavity, an elastic shaft is slidably connected in the proper position of the cavity wall on one side of the grinding seat cavity, the end, far away from the symmetrical shaft, of the elastic shaft penetrates through and corresponds to the left grinding seat or the right grinding seat and extends out of the left grinding seat or the right grinding seat, and is fixedly connected with a clamp spring plate, the clamp spring plate and the grinding seat cavity are fixedly connected with an extrusion spring, the elastic shaft is close to one end of the symmetrical shaft and is fixedly connected with an abrasive belt fixing shaft, the abrasive belt fixing shaft is rotatably connected with an abrasive belt seat, the proper position on the lower side of the abrasive belt seat is rotatably connected with a lower belt wheel shaft, and the lower belt wheel shaft is fixedly connected with a lower belt wheel shaft The upper belt wheel shaft is rotatably connected to the proper position of the upper side part of the belt seat, the upper belt wheels are fixedly connected to the upper belt wheel shaft at any time, belt rolls for polishing are mounted on the upper belt wheels and the lower belt wheels, and supporting plates for supporting the belt rolls are fixedly connected to the end surfaces of the belt seats, close to the symmetrical axis, on one side; the grinding seat cavity is also internally provided with a power input mechanism for providing power for the abrasive belt roll, the power input mechanism comprises a motor fixedly connected in the cavity wall at the rear side of the grinding seat cavity in the left grinding seat, the motor is in power connection with a motor shaft, the motor shaft extends into the grinding seat cavity and is fixedly connected with a rotating seat, the outer ring of the rotating seat is fixedly connected with three rotating spring pieces, the other end of each rotating spring piece is fixedly connected with a driving wheel, a driven wheel shaft is rotatably connected between the proper positions of the front cavity wall and the rear cavity wall of the grinding seat cavity at the right side, a driven wheel is fixedly connected on the driven wheel shaft, a friction belt is arranged on the driven wheel and the driving wheel, and friction wheels in contact with the friction belt are fixedly connected at the proper positions on the upper belt shaft; the cutter fixing mechanism comprises two cutter fixing shafts which are respectively and rotatably connected between the upper cavity wall and the lower cavity wall of the two cutter wheel clamping cavities, three fixing spring pieces are fixedly connected in the cutter wheel clamping cavities, spring fixing wheels are fixedly connected at one ends of the fixing spring pieces, which are far away from the center of a circle, the surfaces of the spring fixing wheels are fixedly connected with the cutter fixing wheels, the lower side parts of the cutter fixing shafts penetrate through the symmetrical transmission cavities, symmetrical gears are fixedly connected in the symmetrical transmission cavities, and the two symmetrical gears are mutually meshed, the cutter to be ground can be clamped between the cutter fixing wheels through the pressure relaxed by the fixing spring piece; still be equipped with in the base be located the left circular transmission chamber in reverse drive chamber, be located circular transmission chamber upside and with the bar chamber of circular transmission chamber intercommunication, be located extrusion chamber in the base rear portion, be equipped with in the base and control angle change mechanism that angle adjustment mechanism angle diminishes in succession, angle change mechanism includes sliding connection's extrusion seat in extrusion chamber, extrusion seat front portion passes extrusion chamber front chamber wall corresponding position stretch out to the outside be used for with the cutter contact of treating grinding, be equipped with the gliding hole behind the opening in the extrusion seat rear end face and sliding connection has the extension bar in the symmetry transmission chamber, the extension bar rear end with fixed connection between the extrusion chamber rear side cavity wall, extrusion seat rear end with be fixed connection between the extrusion chamber rear chamber wall, sliding connection has long pull rod in the bar chamber and long pull rod rear end passes to correspond the base stretch into to reverse drive chamber stretch into to The transmission cavity is fixedly connected with the extrusion seat, the front end of the long pull rod penetrates through the corresponding base and extends out of the base, a clamping spring piece is fixedly connected with the front end of the long pull rod, and a long spring is fixedly connected between the clamping spring piece and the front end of the base; the left adjusting shaft is fixedly connected with an inner ratchet ring in the circular transmission cavity, four ratchet pieces are hinged to the inner ratchet ring, cylindrical ratchet spring pieces are fixedly connected between the ratchet pieces and the inner ratchet ring, the left adjusting shaft is rotatably connected with a hollow gear in the circular transmission cavity, ratchet teeth matched with the ratchet pieces are arranged on the inner ring of the hollow gear, and a rack which is in proper length and meshed with the hollow gear is fixedly connected to the lower end of the part of the long pull rod in the strip-shaped cavity.
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| CN114871913B (en) * | 2022-07-11 | 2022-09-27 | 合肥航太电物理技术有限公司 | Processing equipment for airplane lightning protection mechanical system accessories |
| CN115179152A (en) * | 2022-09-09 | 2022-10-14 | 南京诺咔迅信息技术有限公司 | Burr grinding device is used in ammeter case production |
| CN115741378B (en) * | 2022-11-21 | 2024-01-09 | 南通众兴磁业有限公司 | High-precision grinding lathe for processing manganese zinc ferrite core |
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| CN102059596A (en) * | 2010-08-09 | 2011-05-18 | 贵州恒瑞辰机械制造有限公司 | Cutter sharpener |
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Effective date of registration: 20210812 Address after: 318020 No. 1 Houshi Road, Huangyan Economic Development Zone, Taizhou City, Zhejiang Province Applicant after: Taizhou Huangyan Zhiwei mould Co.,Ltd. Address before: 510080 No.5, Nonglinxia Road, Yuexiu District, Guangzhou City, Guangdong Province Applicant before: Guangzhou Yipu Technology Co.,Ltd. |
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