CN204397517U - A kind of freeing wheel motor shaft has the knife sharpener of excellent sealing effect - Google Patents
A kind of freeing wheel motor shaft has the knife sharpener of excellent sealing effect Download PDFInfo
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- CN204397517U CN204397517U CN201420820708.7U CN201420820708U CN204397517U CN 204397517 U CN204397517 U CN 204397517U CN 201420820708 U CN201420820708 U CN 201420820708U CN 204397517 U CN204397517 U CN 204397517U
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- motor shaft
- freeing wheel
- bolt
- seal circle
- ceramic seal
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Abstract
The utility model discloses the knife sharpener that a kind of freeing wheel motor shaft has excellent sealing effect, comprise base, base is provided with emery wheel, base is also provided with the second support enclosed by emery wheel, second support is provided with freeing wheel drive motors, the motor shaft end of freeing wheel drive motors is directly mounted with freeing wheel, motor shaft is equipped with installing rack and stop collar from top to bottom successively, installing rack is connected and fixed on the secondary support bracket, motor shaft is provided with by installing rack and the spacing bearing of stop collar, stop collar has inner chamber, the motor shaft being positioned at cavity position is connected with nut, motor shaft below nut is equipped with ceramic seal circle, ceramic seal circle is made up of upper and lower, the centre bore on described ceramic seal circle top is up-small and down-big bellmouth and abutting contact motor shaft, the bottom of ceramic seal circle is limited by the diapire of stop collar inner chamber.The utility model good sealing effect.
Description
Technical field
The utility model relates to knife sharpener, and a kind of freeing wheel motor shaft has the knife sharpener of excellent sealing effect specifically.
Background technology
The various instruments such as knife sharpener is used for sharpening a kitchen knife, scissors, serve good control to the uniformity of cutter quality and stability, present knife sharpener replaces manual sharpening already, achieves full-automatic sharpening.
Due to the friction that sharpening process is emery wheel and metal knife, make when metal knife is ground into knife, emery wheel itself also can be worn down to, for this reason, for making the knife quality that grinds more stable, when having ground one and cutter being carried out whetting a knife next time, preferably utilize freeing wheel to revise emery wheel, made each all identical for the emery wheel appearance profile shape of whetting a knife.
Can rotate smoothly for making freeing wheel motor shaft, lubricating oil can be added on freeing wheel motor shaft, and traditional structure, after adding lubricating oil, lubricating oil can flow to along motor shaft or penetrate on freeing wheel, thus may affect the normal work of freeing wheel; In addition, in tool sharpener grinding wheel work or when utilizing freeing wheel to repair emery wheel, the dust of generation and cooling water very easily splash and enter on motor shaft, and this will have influence on the normal work of motor shaft, reduce the service life etc. of freeing wheel motor shaft.
Therefore, be necessary to improve existing structure and optimize.
Utility model content
In order to overcome above-mentioned the deficiencies in the prior art, the utility model provides a kind of freeing wheel motor shaft to have the knife sharpener of excellent sealing effect, and its structure is simple, good sealing effect, is conducive to the service life extending freeing wheel motor shaft.
The utility model solves the technical scheme that its technical problem adopts:
A kind of freeing wheel motor shaft has the knife sharpener of excellent sealing effect, comprise base, described base is provided with the first guide rail, described first guide rail is provided with emery wheel drive motors, at the end of emery wheel drive motors, emery wheel is installed, described base is provided with knife fixture near emery wheel position, described base is also provided with the second support enclosed by described emery wheel, described second support is provided with freeing wheel drive motors, the motor shaft end of described freeing wheel drive motors is directly mounted with freeing wheel, described motor shaft is equipped with installing rack and stop collar from top to bottom successively, installing rack is fastened on described second support, motor shaft is provided with by described installing rack and the spacing bearing of stop collar, described stop collar has inner chamber, the motor shaft being positioned at cavity position is connected with nut, motor shaft below nut is equipped with ceramic seal circle, ceramic seal circle is made up of upper and lower, the centre bore on described ceramic seal circle top is up-small and down-big bellmouth and abutting contact motor shaft, the bottom of ceramic seal circle is limited by the diapire of stop collar inner chamber.
As the improvement of technique scheme, the external diameter on described ceramic seal circle top is up-small and down-big globoidal structure.
As the further improvement of technique scheme, the hole wall of described ceramic seal circle upper portion central hole has the semicircular indentations being convenient to the stressed flexing distortion of ceramic seal circle.
Further, described freeing wheel is nested with on motor shaft, freeing wheel is linked by woodruff key and motor shaft, and the bottom of described motor shaft carries out axial limiting by disk fitted bolt to described freeing wheel, and the upper end of freeing wheel is spacing by the spacing collar be fixed on motor shaft.
Preferably, described installing rack is fixed on fixed block, described fixed block by dull and stereotyped fixed installation on the secondary support bracket, described fixed block and flat board has suitable bar groove, the 4th bolt is coated with in described article of groove, described flat board is also connected with adjustable 5th bolt, described 5th bolt is for withstanding the side of fixed block at bar-shaped trough length direction.
Further, described installing rack is fastened on described fixed block by sliding shoe, described fixed block has a U-type groove, described sliding shoe is arranged in U-type groove described in this, the cell wall of described U-type groove has arcuate socket, there is in arcuate socket the second bolt, one end and the sliding shoe of described second bolt are connected and fixed, the other end is fixed with pushing block, described pushing block has been threaded the 3rd bolt, 3rd bolt is connected with the projection on fixed block, and the 3rd bolt is spacing by the nut and nut being positioned at protruding both sides, regulates the 3rd bolt that pushing block can be driven to drive sliding shoe to swing.
Further, described installing rack is connected with the first contiguous block and the second contiguous block, described first contiguous block is connected with the first bolt of vertical setting, the lower end of the first bolt is connected to the upper end of described sliding shoe, described sliding shoe has dovetail groove, described second contiguous block is the slide block structure suitable with described dovetail groove, twists and revolves the first bolt freeing wheel drive motors can be driven to slide up and down.
The beneficial effects of the utility model are: the utility model adopting said structure, by being equipped with installing rack and stop collar successively from top to bottom on motor shaft, installing rack is connected and fixed on the secondary support bracket, motor shaft is provided with by installing rack and the spacing bearing of stop collar, stop collar has inner chamber, the motor shaft being positioned at cavity position is connected with nut, motor shaft below nut is equipped with ceramic seal circle, ceramic seal circle is made up of upper and lower, the centre bore on ceramic seal circle top is up-small and down-big bellmouth and abutting contact motor shaft, the bottom of ceramic seal circle is limited by the diapire of stop collar inner chamber, abandon the hermetically-sealed construction in conventional art, after assembling is completed, the two ends of ceramic seal circle are subject to the extruding of nut and stop collar bottom wall of inner cavity and flexing is out of shape, the centre bore hole wall on ceramic seal circle top is close to motor shaft and is formed sealing, make motor shaft lubricating oil can not along motor shaft to downstream to freeing wheel, the dust simultaneously splashed when knife sharpener work or finishing and current upwards can not be scurried into along motor shaft, thus achieve contact seal, improve the sealing property of freeing wheel motor shaft greatly, be conducive to the service life extending motor shaft.Described in the utility model simple and compact for structure, easy for installation, implementation cost is low, good sealing effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation after Fig. 1 hides the parts such as drop wheel drive motor and emery wheel;
Fig. 3 is another angle schematic diagram of Fig. 2;
Fig. 4 is the partial enlarged drawing of A in Fig. 2;
Fig. 5 is the structural representation of spill spin block in the utility model;
Fig. 6 is the structural representation of freeing wheel and associated components thereof in the utility model;
Fig. 7 is another angle schematic diagram of Fig. 6;
Fig. 8 is the structural representation after Fig. 6 hides the parts such as sliding shoe;
Fig. 9 is the structural representation of sliding shoe in the utility model;
Figure 10 is the structural representation of the utility model in freeing wheel position;
Figure 11 is the structural representation after Figure 10 hides dust cover;
Figure 12 is the structure chart of freeing wheel drive motors and associated components thereof;
Figure 13 ~ 14 are structural representations of installing rack in the utility model;
Figure 15 ~ 16 are structural representations of stop collar in the utility model;
Figure 17 is the sectional view of Figure 12.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
With reference to Fig. 1 ~ Figure 17, a kind of freeing wheel motor shaft of the present utility model has the knife sharpener of excellent sealing effect, comprise base 1, described base 1 is provided with the first guide rail 11, described first guide rail 11 is provided with emery wheel drive motors 2, at the end of emery wheel drive motors 2, emery wheel 21 is installed, described base 1 is provided with knife fixture 3 near emery wheel 21 position, described base 1 is also provided with the second support 7 enclosed by described emery wheel 21, described second support 7 is provided with freeing wheel drive motors 71, motor shaft 70 end of described freeing wheel drive motors 71 is directly mounted with freeing wheel 72, described motor shaft 70 is equipped with installing rack 77 and stop collar 78 from top to bottom successively, the upper surface of installing rack 77 and the end face of freeing wheel drive motors 71 are bolted fixing, the upper surface of stop collar 78 abuts with the lower surface of described installing rack 77 and is joined with bolts, installing rack 77 is fastened on described second support 7, motor shaft 70 is provided with by described installing rack 77 and the spacing bearing 12 of stop collar 78, described stop collar 78 has inner chamber 781, the motor shaft 70 being positioned at inner chamber 781 position is connected with nut 782, motor shaft 70 below nut 782 is equipped with ceramic seal circle 783, ceramic seal circle 783 is made up of top 785 and bottom 786, the centre bore on described ceramic seal circle top 785 is up-small and down-big bellmouth and abutting contact motor shaft 70, the bottom 786 of ceramic seal circle 783 is limited by the diapire of stop collar inner chamber 781, when motor shaft 70 rotates, top 785 is followed motor shaft and is rotated, bottom 786 does not turn.
The installation of freeing wheel 72 on motor shaft 70 can adopt known techniques: described freeing wheel 72 is nested with on motor shaft 70, freeing wheel 72 is linked by woodruff key and motor shaft 70, the bottom of described motor shaft 70 carries out axial limiting by disk fitted bolt to described freeing wheel 72, the top of freeing wheel 72 is spacing by the spacing collar 79 be fixed on motor shaft 70, and spacing collar 79 is fixed on motor shaft by the method for heat expansion and cold contraction.
By freeing wheel 72 is directly fixedly mounted on motor shaft 70, utilize installing rack 77 and stop collar 78 that motor shaft 70 is nested with to install fixing freeing wheel drive motors 71, achieve freeing wheel rotating shaft and be integrated axle, abandon the structure that the rotating shaft that connects freeing wheel in conventional art and freeing wheel drive motors axle independent separate body are arranged, effectively ensure that motor shaft has less flexural deformation when being subject to radial load, thus according to the position relationship between the emery wheel preset and freeing wheel, good finishing effect can be obtained, improve the dressing quality of freeing wheel greatly, finally be conducive to the sharpening quality improving cutter.
And by arranging in stop collar 78, there is inner chamber 781, the motor shaft 70 being positioned at inner chamber 781 position is connected with nut 782, motor shaft 70 below nut 782 is equipped with ceramic seal circle 783, ceramic seal circle 783 is made up of top 785 and bottom 786, the centre bore on described ceramic seal circle top 785 is up-small and down-big bellmouth and abutting contact motor shaft 70, the bottom 786 of ceramic seal circle 783 is limited by the diapire of stop collar inner chamber 781, abandon the hermetically-sealed construction in conventional art, after assembling is completed, the two ends of ceramic seal circle 783 are subject to the extruding of inner chamber 781 diapire of nut 782 and stop collar 78 and flexing is out of shape, the centre bore hole wall on ceramic seal circle top is close to motor shaft 70 and is formed sealing, make motor shaft 70 lubricating oil can not along motor shaft 70 to downstream to freeing wheel, the dust simultaneously splashed when knife sharpener work or finishing and current upwards can not be scurried into along motor shaft, thus achieve contact seal, improve the sealing property of freeing wheel motor shaft greatly, be conducive to the service life extending motor shaft.
For making ceramic seal circle 783 better can be adjacent to contact motor shaft 70, the external diameter on described ceramic seal circle 783 top 785 is up-small and down-big globoidal structure; The hole wall of described ceramic seal circle 783 top 785 centre bore has the semicircular indentations 784 being convenient to the stressed flexing distortion of ceramic seal circle.
In the present embodiment, preferably, described installing rack 77 is fixed on fixed block 85, described fixed block 85 is fixedly mounted on the second support 7 by dull and stereotyped 90, described fixed block 85 and dull and stereotyped 90 has suitable bar groove 91, be coated with the 4th bolt 92 in described article of groove 91, be also connected with adjustable 5th bolt 93 on described dull and stereotyped 90, described 5th bolt 93 is for withstanding the side of fixed block 85 at bar-shaped trough 91 length direction.This structure makes freeing wheel 72, and position is adjustable in the horizontal direction, and when carrying out position adjustments by article groove 91 and the 4th bolt 92, the 5th bolt 93 is utilized to withstand a side of fixed block 85, thus when mobile fixed block 85 can not there is larger displacement in fixed block 85, thus the fine setting that can realize fixed block 85 adjustment, and in adjustment process, fixed block is also less likely to occur deflection or sidesway, thus can guarantee the precision that freeing wheel adjusts.
In the present embodiment, further preferably, described installing rack 77 is fastened on described fixed block 85 by sliding shoe 84, described fixed block 85 has a U-type groove, described sliding shoe 84 is arranged in U-type groove described in this, the cell wall of described U-type groove has arcuate socket 86, there is in arcuate socket 86 second bolt 87, one end and the sliding shoe 84 of described second bolt 87 are connected and fixed, the other end is fixed with pushing block 88, described pushing block 88 has been threaded the 3rd bolt 89, 3rd bolt 89 is connected with the projection 852 on fixed block 85, 3rd bolt 89 is spacing by the nut and nut 851 being positioned at protruding 852 both sides, regulate the 3rd bolt 89 that pushing block 88 can be driven to drive sliding shoe 84 to swing.Said structure can adjust the pivot angle of the relative emery wheel of freeing wheel 72.
Further preferably, described installing rack 77 is connected with the first contiguous block 81 and the second contiguous block 82,81 the first bolts 83 being connected with vertical setting on described first contiguous block, the lower end of the first bolt 83 is connected to the upper end of described sliding shoe 84, described sliding shoe 84 has dovetail groove 841, described second contiguous block 82 is the slide block structure suitable with described dovetail groove 841, and twist and revolve the first bolt 83 freeing wheel drive motors 71 can be driven to slide up and down, described sliding shoe 84 is fixed on the second support 7.This kind of structure can regulate the upper-lower position of freeing wheel.
In the present embodiment, described freeing wheel 72 extend in the second support 7, described second support 7 is provided with a breach 73 near knife fixture 3 side, freeing wheel drive motors 71 is detachably provided with a dust cover 74, the U-shaped structure of described dust cover 74, dust cover 74 protrudes from described breach 73 towards knife fixture 3 side, and the bottom that described dust cover 74 protrudes from breach 73 is dust mouth 75, and dust cover 74 has inclined-plane 76 near the side mask of knife fixture 3.By dust cover 74 is detachably arranged, make when the dust on dust cover runs up to certain thickness, dust cover can be disassembled and carry out cleaning, dust cover 74 is arranged U-shaped structure, dust cover 74 protrudes from breach 73 towards knife fixture 3 side, the bottom that dust cover 74 protrudes from breach 73 is dust mouth 75, the dust be thrown on dust cover 74 when repairing can be dropped automatically from dust mouth 75, and can not drop on emery wheel and the first guide rail, thus can not impact the normal work of emery wheel and miscellaneous part, and dust cover 74 has inclined-plane 76 near the side mask of knife fixture 3, effect is led on inclined-plane 76, dust is conducive to be discharged in time, avoid a large amount of accumulation.
In the present embodiment, described base 1 is fixed with tilted supporter 4, described tilted supporter 4 has the second guide rail 41, described second guide rail 41 is provided with can the first slide block 42 of slide anteroposterior, described first slide block 42 is driven by the screw mandrel 43 be installed on tilted supporter 4, the vertical edges of described first slide block 42 and top are respectively arranged with the second slide block 51 and the second motor 52, the screw mandrel of described second motor 52 output is connected with the 3rd slide block 53, described 3rd slide block 53 has and to coordinate with described second slide block 51, 3rd guide rail 54 of vertical setting, described 3rd slide block 53 is provided with axially horizontally disposed 3rd motor 6, the output shaft of described 3rd motor 6 is connected with spill spin block 61, described knife fixture 3 is fixed on described spill spin block 61, described screw mandrel 43 drives the first slide block 42 to drive knife fixture 3 slide anteroposterior, described second motor 52 drives the 3rd slide block 53 to drive knife fixture 3 to slide up and down, described 3rd motor 6 drives spill spin block to drive knife fixture 3 to rotate.This kind of structure drives the first slide block 42 to drive knife fixture 3 slide anteroposterior by described screw mandrel 43, the 3rd slide block 53 is driven to drive knife fixture 3 to slide up and down by described second motor 52, spill spin block 61 is driven to drive knife fixture 3 to rotate by described 3rd motor 6, thus the multi-angle achieving knife fixture regulates, no matter make the cutter for grinding which kind of type, only need by screw mandrel 43, second motor 52 and the 3rd motor 53 cooperatively interact and regulate the front and back of knife fixture 3, up and down and rotate, sharpening requirement can be met, achieve the function that a knife sharpener can grind multiple cutter, reduce manufacturer's procuring equipment and relevant labor cost greatly, effectively reduce production cost.
In the present embodiment, described second support 7 is bolted and is fixed on described base 1.
For improving strength and stiffness, also include triangular reinforcing plate 10, a right-angle side of described triangular reinforcing plate 10 is connected with described second support 7, and another right-angle side is connected with base 1.
The above, just better embodiment of the present utility model, but the utility model is not limited to above-described embodiment, as long as it reaches technique effect of the present utility model with any same or similar means, all should fall within protection domain of the present utility model.
Claims (7)
1. a freeing wheel motor shaft has the knife sharpener of excellent sealing effect, comprise base, described base is provided with the first guide rail, described first guide rail is provided with emery wheel drive motors, at the end of emery wheel drive motors, emery wheel is installed, described base is provided with knife fixture near emery wheel position, described base is also provided with the second support enclosed by described emery wheel, described second support is provided with freeing wheel drive motors, it is characterized in that: the motor shaft end of described freeing wheel drive motors is directly mounted with freeing wheel, described motor shaft is equipped with installing rack and stop collar from top to bottom successively, installing rack is fastened on described second support, motor shaft is provided with by described installing rack and the spacing bearing of stop collar, described stop collar has inner chamber, the motor shaft being positioned at cavity position is connected with nut, motor shaft below nut is equipped with ceramic seal circle, ceramic seal circle is made up of upper and lower, the centre bore on described ceramic seal circle top is up-small and down-big bellmouth and abutting contact motor shaft, the bottom of ceramic seal circle is limited by the diapire of stop collar inner chamber.
2. a kind of freeing wheel motor shaft according to claim 1 has the knife sharpener of excellent sealing effect, it is characterized in that: the external diameter on described ceramic seal circle top is up-small and down-big globoidal structure.
3. a kind of freeing wheel motor shaft according to claim 1 and 2 has the knife sharpener of excellent sealing effect, it is characterized in that: the hole wall of described ceramic seal circle upper portion central hole has the semicircular indentations being convenient to the stressed flexing distortion of ceramic seal circle.
4. a kind of freeing wheel motor shaft according to claim 3 has the knife sharpener of excellent sealing effect, it is characterized in that: described freeing wheel is nested with on motor shaft, freeing wheel is linked by woodruff key and motor shaft, the bottom of described motor shaft carries out axial limiting by disk fitted bolt to described freeing wheel, and the upper end of freeing wheel is spacing by the spacing collar be fixed on motor shaft.
5. a kind of freeing wheel motor shaft according to claim 4 has the knife sharpener of excellent sealing effect, it is characterized in that: described installing rack is fixed on fixed block, described fixed block by dull and stereotyped fixed installation on the secondary support bracket, described fixed block and flat board has suitable bar groove, the 4th bolt is coated with in described article of groove, described flat board is also connected with adjustable 5th bolt, described 5th bolt is for withstanding the side of fixed block at bar-shaped trough length direction.
6. a kind of freeing wheel motor shaft according to claim 5 has the knife sharpener of excellent sealing effect, it is characterized in that: described installing rack is fastened on described fixed block by sliding shoe, described fixed block has a U-type groove, described sliding shoe is arranged in described U-type groove, the cell wall of described U-type groove has arcuate socket, there is in arcuate socket the second bolt, one end and the sliding shoe of described second bolt are connected and fixed, the other end is fixed with pushing block, described pushing block has been threaded the 3rd bolt, 3rd bolt is connected with the projection on fixed block, 3rd bolt is spacing by the nut and nut being positioned at protruding both sides, regulate the 3rd bolt that pushing block can be driven to drive sliding shoe to swing.
7. a kind of freeing wheel motor shaft according to claim 6 has the knife sharpener of excellent sealing effect, it is characterized in that: described installing rack is connected with the first contiguous block and the second contiguous block, described first contiguous block is connected with the first bolt of vertical setting, the lower end of the first bolt is connected to the upper end of described sliding shoe, described sliding shoe has dovetail groove, described second contiguous block is the slide block structure suitable with described dovetail groove, twists and revolves the first bolt freeing wheel drive motors can be driven to slide up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420820708.7U CN204397517U (en) | 2014-12-18 | 2014-12-18 | A kind of freeing wheel motor shaft has the knife sharpener of excellent sealing effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420820708.7U CN204397517U (en) | 2014-12-18 | 2014-12-18 | A kind of freeing wheel motor shaft has the knife sharpener of excellent sealing effect |
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| Publication Number | Publication Date |
|---|---|
| CN204397517U true CN204397517U (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420820708.7U Active CN204397517U (en) | 2014-12-18 | 2014-12-18 | A kind of freeing wheel motor shaft has the knife sharpener of excellent sealing effect |
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| CN (1) | CN204397517U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104511801A (en) * | 2014-12-18 | 2015-04-15 | 江门市江海区杰能机电科技有限公司 | Knife sharpener with high-tightness dressing wheel motor shaft |
-
2014
- 2014-12-18 CN CN201420820708.7U patent/CN204397517U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104511801A (en) * | 2014-12-18 | 2015-04-15 | 江门市江海区杰能机电科技有限公司 | Knife sharpener with high-tightness dressing wheel motor shaft |
| CN104511801B (en) * | 2014-12-18 | 2017-01-04 | 江门市江海区杰能机电科技有限公司 | A kind of freeing wheel motor shaft has the knife machine of excellent sealing effect |
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