CN211388003U - Transmission mechanism for knife sharpener - Google Patents
Transmission mechanism for knife sharpener Download PDFInfo
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- CN211388003U CN211388003U CN201922456657.XU CN201922456657U CN211388003U CN 211388003 U CN211388003 U CN 211388003U CN 201922456657 U CN201922456657 U CN 201922456657U CN 211388003 U CN211388003 U CN 211388003U
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- bevel gear
- grinding wheel
- shaft
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Abstract
The utility model discloses a drive mechanism for sharpedge grinding machine. The utility model provides a drive mechanism for sharpedge grinding machine, include: the grinding device comprises a box frame, a motor, a driving belt wheel, a fixed grinding wheel shaft, a driven belt wheel, a driving bevel gear, a fixed grinding wheel, a movable grinding wheel shaft, a driven bevel gear, a bevel gear shaft mounting plate, a bevel gear shaft, a first transmission bevel gear, a second transmission bevel gear, a gear positioning ring, a first spring and a second spring.
Description
Technical Field
The utility model relates to a sharpedge grinding machine technical field, concretely relates to sharpedge grinding machine drive mechanism.
Background
The cutter is very extensive in people's daily life's use, and the cutter uses for a long time and can become dull, needs to grind the sharpness of guaranteeing the cutting edge to the cutting edge. Patent No. CN110497258A discloses an electric knife sharpener, which comprises a grinding device and a knife holder lifting device, and can automatically adjust the gap between cylindrical grinding wheels and make two cylindrical grinding wheels rotate in opposite directions, so as to quickly and efficiently grind a knife. Wherein, emery wheel grinding device is including following the driving wheel, the conversion wheel, belt elasticity automatically regulated wheel, clearance automatically regulated spring and cylindrical emery wheel, it has the belt groove to open from driving wheel one end, the other end is the gear, be disjunctor structure, the conversion wheel is the same with following the driving wheel, be supporting rotating device, the effect of conversion wheel is the change direction of rotation, the length of cylindrical emery wheel will be good at general cutter, cylindrical emery wheel one is fixed rotation installation, another is movable rotation installation, movable rotation installation's effect is: the cylindrical grinding wheels are quick-wear parts, so that the diameter is reduced after the working time is long, the purpose of automatically keeping the gap between the two cylindrical grinding wheels to be zero is achieved, the gap can be automatically adjusted according to the thickness of various cutters, and the two cylindrical grinding wheels rotate in opposite directions.
However, above-mentioned electric knife grinder's transmission part, because cylindrical grinding wheel's both ends bearing position is opened there is the activity groove, the spring is installed to the inslot, but cylindrical grinding wheel's both ends only have one end to be connected with driving belt, when driving belt tensioning, cylindrical grinding wheel's both ends only have one end directly to receive driving belt's pulling force, the both ends spring flexible volume that leads to cylindrical grinding wheel easily is different, make cylindrical grinding wheel's both ends position produce the skew, lead to two cylindrical grinding wheel's axis nonparallel, can influence the quality of whetting a knife like this.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a drive mechanism for sharpedge grinding machine to solve the problem that the axis of two cylindrical emery wheels is not parallel among the prior art.
The utility model provides a drive mechanism for sharpedge grinding machine, include: the grinding wheel grinding machine comprises a box frame, a motor, a driving belt wheel, a fixed grinding wheel shaft, a driven belt wheel, a driving bevel gear, a fixed grinding wheel, a movable grinding wheel shaft, a driven bevel gear, a bevel gear shaft mounting plate, a bevel gear shaft, a first transmission bevel gear, a second transmission bevel gear, a gear positioning ring, a first spring and a second spring;
the motor is arranged below the inner part of the box frame, and the driving belt wheel is arranged on an output shaft of the motor; the fixed grinding wheel is rotatably connected inside the box frame through a fixed grinding wheel shaft, the driven belt wheel and the driving bevel gear are arranged on the fixed grinding wheel shaft, and the driving belt wheel is connected with the driven belt wheel through a conveying belt; the two driving bevel gears are respectively positioned at two ends of the fixed grinding wheel shaft; the movable grinding wheel is rotatably connected inside the box frame through a movable grinding wheel shaft, the two driven bevel gears are arranged on the movable grinding wheel shaft and are respectively positioned at two ends of the movable grinding wheel shaft; bearing seats are arranged at two ends of the movable grinding wheel shaft, a hollow groove is formed in the position of the bearing seat on the box frame, the bearing seat is located in the hollow groove, and a first spring is arranged between the inner wall of the hollow groove and the bearing seat;
the gearbox is characterized in that two bevel gear shaft mounting plates are respectively arranged at two ends above the front surface and the rear surface of the gearbox frame, a bevel gear shaft is arranged between the two bevel gear shaft mounting plates, each bevel gear shaft is provided with a first transmission bevel gear and a second transmission bevel gear, a second spring is arranged between the first transmission bevel gear and the second transmission bevel gear, the second transmission bevel gear is movably connected with the bevel gear shaft in the axial direction, a gear positioning ring is arranged on the bevel gear shaft and is located at one end of the first transmission bevel gear, the first transmission bevel gear is meshed with the driving bevel gear, and the second transmission bevel gear is meshed with the driven bevel gear.
Optionally, the end face of one end of the fixed grinding wheel shaft close to the driven belt wheel is located on the inner side of the bevel gear shaft.
Optionally, the fixed grinding wheel spindle and the movable grinding wheel spindle are the same in size and are arranged in parallel, and the fixed grinding wheel and the movable grinding wheel are the same in size and are arranged at the same height.
Optionally, the driving bevel gear and the driven bevel gear have the same size and are arranged on the same plane in the same direction.
Optionally, the first transfer bevel gear and the second transfer bevel gear have the same size and are arranged in opposite directions.
According to the above technical scheme, the utility model provides a drive mechanism for sharpedge grinding machine, include: the grinding wheel box comprises a box frame, a motor, a driving belt wheel, a fixed grinding wheel shaft, a driven belt wheel, a driving bevel gear, a fixed grinding wheel, a movable grinding wheel shaft, a driven bevel gear, a bevel gear shaft mounting plate, a bevel gear shaft, a first transmission bevel gear, a second transmission bevel gear, a gear positioning ring, a first spring and a second spring, wherein the driving belt wheel of the motor can drive the driven belt wheel of the fixed grinding wheel shaft to rotate through a conveying belt, so that the driving bevel gear of the fixed grinding wheel shaft drives the first transmission bevel gear to rotate, the bevel gear shaft drives the second transmission bevel gear to rotate, the driven bevel gear of the movable grinding wheel shaft is driven to rotate, synchronous opposite rotation of the fixed grinding wheel and the movable grinding wheel is realized, the position of the movable grinding wheel shaft can be adaptively adjusted through the first spring, and the second transmission bevel gear can be meshed with the driven bevel gear under the action of the, driven bevel gears are arranged at two ends of the movable grinding wheel shaft, stress of the driven bevel gears at the two ends can be kept consistent, so that the movable grinding wheel shaft and the fixed grinding wheel shaft are kept parallel, the movable grinding wheel is prevented from being cheap relative to the fixed grinding wheel, and the quality of sharpening is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is the overall schematic diagram of the transmission mechanism for the knife sharpener provided by the utility model.
Fig. 2 is a top view of the transmission mechanism for the knife sharpener provided by the present invention.
Fig. 3 is a partial enlarged view of the transmission mechanism for the knife sharpener provided by the utility model.
Illustration of the drawings: 1-a box frame; 2, a motor; 3-a driving pulley; 4-fixing the grinding wheel spindle; 5-a driven pulley; 6-drive bevel gear; 7-fixing the grinding wheel; 8-a movable grinding wheel; 9-movable grinding wheel spindle; 10-driven bevel gear; 11-bevel gear shaft mounting plate; 12-bevel gear shaft; 13-a first transfer bevel gear; 14-a second transfer bevel gear; 16-a hollow-out groove; 15-gear positioning ring; 17-a first spring; 18-second spring.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, the thicknesses of layers and regions are exaggerated for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.
Referring to fig. 1 to 3, a transmission mechanism for a knife sharpener according to an embodiment of the present invention includes: the grinding wheel device comprises a box frame 1, a motor 2, a driving belt pulley 3, a fixed grinding wheel shaft 4, a driven belt pulley 5, a driving bevel gear 6, a fixed grinding wheel 7, a movable grinding wheel 8, a movable grinding wheel shaft 9, a driven bevel gear 10, a bevel gear shaft mounting plate 11, a bevel gear shaft 12, a first transmission bevel gear 13, a second transmission bevel gear 14, a gear positioning ring 15, a first spring 17 and a second spring 18.
Specifically, the motor 2 is arranged below the inner part of the box frame 1 and used for providing power for the transmission mechanism for the knife grinder. The driving pulley 3 is provided on an output shaft of the motor 2. The fixed grinding wheel 7 is rotatably connected inside the box frame 1 through the fixed grinding wheel shaft 4, and the driven belt wheel 5 and the driving bevel gear 6 are arranged on the fixed grinding wheel shaft 4. The driving pulley 3 and the driven pulley 5 are connected by a transmission belt. When the motor 2 works, the driving belt wheel 3 can drive the driven belt wheel 5 to rotate, so that the fixed grinding wheel shaft 4 where the driven belt wheel 5 is located is driven to rotate, and the fixed grinding wheel 7 on the fixed grinding wheel shaft 4 and the driving bevel gear 6 are driven to rotate. Wherein, the two driving bevel gears 6 are respectively arranged at two ends of the fixed grinding wheel shaft 4 and are symmetrically arranged.
Specifically, the movable grinding wheel 8 is rotatably connected to the inside of the box frame 1 through a movable grinding wheel shaft 9, two driven bevel gears 10 are provided on the movable grinding wheel shaft 9, and the two driven bevel gears 10 are respectively located at two ends of the movable grinding wheel shaft 9. Bearing seats are arranged at two ends of the movable grinding wheel shaft 9, a hollow groove 16 is arranged at the position of the bearing seat on the box frame 1, the bearing seat is positioned in the hollow groove 16, and a first spring 17 is arranged between the inner wall of the hollow groove 16 and the bearing seat. When the movable grinding wheel 8 is pressed, the first spring 17 can be compressed, and the movable grinding wheel shaft 9 moves in the hollow groove 16.
Two bevel gear shaft mounting plates 11 are respectively arranged at two ends above the front surface and the rear surface of the box frame 1, a bevel gear shaft 12 is arranged between the two bevel gear shaft mounting plates 11, a first transmission bevel gear 13 and a second transmission bevel gear 14 are arranged on each bevel gear shaft 12, a second spring 18 is arranged between the first transmission bevel gear 13 and the second transmission bevel gear 14, the second transmission bevel gear 14 is movably connected with the bevel gear shaft 12 in the axial direction, a gear positioning ring 15 is arranged on the bevel gear shaft 12 and is positioned at one end of the first transmission bevel gear 13, the first transmission bevel gear 13 is meshed with the driving bevel gear 6, and the second transmission bevel gear 14 is meshed with the driven bevel gear 10.
The driving bevel gear 6 rotates to drive the first transmission bevel gear 13 to rotate, the first transmission bevel gear 13 rotates to drive the bevel gear shaft 12 to rotate, the bevel gear shaft 12 rotates to drive the second transmission bevel gear 14 to rotate, and the second transmission bevel gear 14 rotates to drive the driven bevel gear 10 to rotate, so that the movable grinding wheel 8 is driven to rotate. When the movable grinding wheel spindle 9 moves in the hollow groove 16, the second transmission bevel gear 14 slides on the bevel gear spindle 12 by the elastic force of the second spring 18, and is always kept engaged with the driven bevel gear 10.
Specifically, the end surface of the end of the fixed grinding spindle 4 near the driven pulley 5 is located inside the bevel gear shaft 12 to avoid structural interference. The fixed grinding wheel shaft 4 and the movable grinding wheel shaft 9 are the same in size and are arranged in parallel, and the fixed grinding wheel 7 and the movable grinding wheel 8 are the same in size and are arranged at the same height. The drive bevel gear 6 and the driven bevel gear 10 have the same size and are disposed on the same plane in the same direction. The first transfer bevel gear 13 and the second transfer bevel gear 14 are the same size and are disposed in opposite directions.
In summary, the transmission mechanism for a knife grinder of the present invention can drive the driven pulley of the fixed grinding wheel spindle to rotate via the transmission belt by the driving pulley of the motor, so that the driving bevel gear of the fixed grinding wheel spindle drives the first transmission bevel gear to rotate, and the bevel gear spindle drives the second transmission bevel gear to rotate, so as to drive the driven bevel gear of the movable grinding wheel spindle to rotate, thereby realizing the synchronous opposite rotation of the fixed grinding wheel and the movable grinding wheel, and the movable grinding wheel can adaptively adjust the position of the movable grinding wheel spindle by the first spring, and simultaneously the second transmission bevel gear can also keep the meshing with the driven bevel gear under the action of the second spring force while the movable grinding wheel moves, the driven bevel gears are arranged at both ends of the movable grinding wheel spindle, and the stress of the driven bevel gears at both ends can be kept consistent, so that the movable grinding wheel spindle and the fixed grinding, the movable grinding wheel is prevented from being cheap relative to the fixed grinding wheel, and the quality of the knife sharpening is ensured.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a drive mechanism for sharpedge grinding machine which characterized in that includes: the grinding wheel transmission device comprises a box frame (1), a motor (2), a driving belt wheel (3), a fixed grinding wheel shaft (4), a driven belt wheel (5), a driving bevel gear (6), a fixed grinding wheel (7), a movable grinding wheel (8), a movable grinding wheel shaft (9), a driven bevel gear (10), a bevel gear shaft mounting plate (11), a bevel gear shaft (12), a first transmission bevel gear (13), a second transmission bevel gear (14), a gear positioning ring (15), a first spring (17) and a second spring (18);
the motor (2) is arranged below the inner part of the box frame (1), and the driving belt wheel (3) is arranged on an output shaft of the motor (2); the fixed grinding wheel (7) is rotatably connected inside the box frame (1) through a fixed grinding wheel shaft (4), the driven belt wheel (5) and the driving bevel gear (6) are arranged on the fixed grinding wheel shaft (4), and the driving belt wheel (3) is connected with the driven belt wheel (5) through a conveying belt; the two driving bevel gears (6) are respectively positioned at two ends of the fixed grinding wheel shaft (4); the movable grinding wheel (8) is rotatably connected to the inside of the box frame (1) through a movable grinding wheel shaft (9), the driven bevel gears (10) are arranged on the movable grinding wheel shaft (9), and the two driven bevel gears (10) are respectively positioned at two ends of the movable grinding wheel shaft (9); bearing seats are arranged at two ends of the movable grinding wheel shaft (9), a hollow groove (16) is arranged at the position of the bearing seat on the box frame (1), the bearing seat is positioned in the hollow groove (16), and a first spring (17) is arranged between the inner wall of the hollow groove (16) and the bearing seat;
two bevel gear shaft mounting plates (11) are respectively arranged at two ends above the front surface and the rear surface of the box frame (1), a bevel gear shaft (12) is arranged between the two bevel gear shaft mounting plates (11), a first transmission bevel gear (13) and a second transmission bevel gear (14) are arranged on each bevel gear shaft (12), a second spring (18) is arranged between the first transmission bevel gear (13) and the second transmission bevel gear (14), the second transmission bevel gear (14) is movably connected with the bevel gear shaft (12) in the axial direction, the gear positioning ring (15) is arranged on the bevel gear shaft (12) and is positioned at one end of the first transmission bevel gear (13), the first transmission bevel gear (13) is meshed with the drive bevel gear (6), the second transmission bevel gear (14) is engaged with the driven bevel gear (10).
2. The transmission mechanism for the knife sharpener according to claim 1, wherein the end surface of the end of the fixed grinding wheel spindle (4) close to the driven pulley (5) is located inside the bevel gear spindle (12).
3. The transmission mechanism for the knife sharpener according to claim 1, wherein the fixed grinding wheel spindle (4) and the movable grinding wheel spindle (9) are the same size and are arranged in parallel, and the fixed grinding wheel (7) and the movable grinding wheel (8) are the same size and are arranged at the same height.
4. The transmission mechanism for a knife sharpener according to claim 1, wherein the drive bevel gear (6) and the driven bevel gear (10) are the same size and are arranged on the same plane in the same direction.
5. The transmission mechanism for a knife sharpener according to claim 1, characterised in that the first transmission bevel gear (13) and the second transmission bevel gear (14) are of the same size and are arranged in opposite directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922456657.XU CN211388003U (en) | 2019-12-30 | 2019-12-30 | Transmission mechanism for knife sharpener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922456657.XU CN211388003U (en) | 2019-12-30 | 2019-12-30 | Transmission mechanism for knife sharpener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211388003U true CN211388003U (en) | 2020-09-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922456657.XU Active CN211388003U (en) | 2019-12-30 | 2019-12-30 | Transmission mechanism for knife sharpener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211388003U (en) |
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2019
- 2019-12-30 CN CN201922456657.XU patent/CN211388003U/en active Active
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