CN221120838U - Gear box of meat grinder - Google Patents
Gear box of meat grinder Download PDFInfo
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- CN221120838U CN221120838U CN202322893664.2U CN202322893664U CN221120838U CN 221120838 U CN221120838 U CN 221120838U CN 202322893664 U CN202322893664 U CN 202322893664U CN 221120838 U CN221120838 U CN 221120838U
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- gearbox
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- 235000013372 meat Nutrition 0.000 title claims abstract description 25
- 230000009467 reduction Effects 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model discloses a meat grinder gearbox, which comprises a driving motor and a reduction gearbox formed by a shell and a cover body, wherein a planetary gear assembly and a fixed shaft gear assembly linked with the planetary gear assembly are arranged in the reduction gearbox, the fixed shaft gear assembly comprises a secondary duplex gear and a central gear connected with the output end of the driving motor, and a large gear in the secondary duplex gear is meshed with the central gear; the planetary gear assembly comprises a three-stage duplex gear, a planetary lower support, an output support, a gear ring and a plurality of planetary gears arranged between the planetary lower support and the output support, wherein the three-stage duplex gear comprises a helical gear and a straight gear pinion. The utility model adopts the combined structure of the parallel fixed-axis gear train and the planetary gear train to replace the traditional parallel fixed-axis gear train, increases the output torque and power, and has the advantages of high transmission efficiency, stable and reliable performance, long service life and the like which are not possessed by the prior products.
Description
Technical Field
The utility model belongs to the technical field of gear boxes, and particularly relates to a gear box of a meat grinder.
Background
The meat grinder is a machine for processing granular meat stuffing with different specifications according to different technological requirements in the production process of meat processing enterprises, and comprises a meat grinding bin, a meat grinding blade and a power assembly (a gear box with a motor) for driving the meat grinding blade to rotate.
The gear box of the traditional meat grinder in the current market generally adopts a parallel fixed-axis gear train, namely adopts a transmission mode of a bevel gear and a common straight gear. In use, the problems of unstable power transmission, energy loss of transmission and the like exist, and the working efficiency and the service life of the meat grinder are affected.
In view of this, a meat grinder gearbox is proposed.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model aims to provide a gear box of a meat grinder.
The technical scheme adopted by the utility model is as follows: the utility model provides a meat grinder gear box, includes driving motor and comprises the reduction gear box of casing and lid, be equipped with planetary gear assembly and the dead axle gear assembly that links with planetary gear assembly in the reduction gear box, wherein, the dead axle gear assembly includes second grade duplex gear and the sun gear that links with driving motor output, the gear wheel in the second grade duplex gear meshes with the sun gear; the planetary gear assembly comprises a three-stage duplex gear, a planetary lower support, an output support, a gear ring and a plurality of planetary gears arranged between the planetary lower support and the output support;
the three-stage duplex gear comprises a helical gear and a straight gear pinion, and the straight gear pinion is arranged among a plurality of planetary gears and is meshed with the planetary gears as a sun gear.
In a preferred embodiment, the helical gear is meshed with the pinion gear in the secondary duplex gear, a tertiary gear shaft is arranged at the center of the helical gear, a secondary gear shaft is arranged at the center of the secondary duplex gear, the tertiary gear shaft penetrates through the helical gear and is arranged at the inner end of the cover body in a rotating mode, and two ends of the secondary gear shaft extend out of the secondary duplex gear and are respectively arranged on the inner walls of the shell and the cover body in a rotating mode.
In a preferred embodiment, a stepped cylinder is arranged between the helical gear and the spur gear, and the planetary lower support is sleeved on the cylinder and positioned by the cylinder; and a gap is arranged between the cylinder and the large gear.
In a preferred embodiment, the housing is provided with a through hole which passes through the output end of the driving motor, and the lower side of the output end of the driving motor passes through the central gear and is rotationally connected to the inner wall of the cover body.
In a preferred embodiment, the number of the planetary gears is at least three, and the ring gear is provided at an outer end of the planetary gears and meshes with a plurality of the planetary gears.
In a preferred embodiment, the same number of planetary shafts as the planetary gears are arranged between the planetary lower carrier and the output carrier in the circumferential direction, and the planetary gears are correspondingly arranged on the planetary shafts.
In a preferred embodiment, one end of the output support, which is far away from the planet lower support, penetrates through the shell and extends outwards to form a hollow shaft, and inner key teeth are circumferentially distributed in the hollow shaft and used for outputting power.
In a preferred embodiment, the outer end of the hollow shaft is respectively sleeved with a connecting cover and a connector from bottom to top.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows: the combined structure of the parallel fixed-axis gear train and the planetary gear train is adopted to replace the traditional parallel fixed-axis gear train, so that the integral structure is compact, the integral output torque (moment) and the integral output power are increased, the integral stability and the shock resistance and vibration resistance can be obviously improved, the novel parallel fixed-axis gear train and planetary gear train combined structure has the advantages of high transmission efficiency, stable and reliable performance and the like which are not possessed by the existing products, the service life of a gear box and the service life of a meat grinder are prolonged, and the user experience is better.
Drawings
FIG. 1 is a schematic exploded perspective view of a reduction gearbox according to the present utility model;
FIG. 2 is a schematic diagram of a three-dimensional structure of a reduction gearbox and drive motor combination in the present utility model;
Fig. 3 is a schematic diagram showing a sectional plan view of a combination of a reduction gear box and a drive motor in the present utility model.
The marks in the figure: the gear comprises a 1-cover body, a 2-third gear shaft, a 3-third duplex gear, a 4-second gear shaft, a 5-planet lower support, a 6-planet gear, a 7-output support, 701-internal key teeth, an 8-gear ring, a 9-shell, a 10-connecting cover, a 11-connector, a 12-planet shaft, a 13-sun gear, a 14-second duplex gear and a 15-driving motor.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
1-3, Including driving motor 15 and the reduction gear box formed by shell 9 and cover 1, there are planetary gear components and fixed axle gear components linked with planetary gear components in the reduction gear box, the fixed axle gear components include two-stage duplicate gear 14 and sun gear 13 connected with output end of driving motor 15, the big gear in the two-stage duplicate gear 14 is meshed with sun gear 13; the planetary gear assembly comprises a three-stage duplex gear 3, a planetary lower support 5, an output support 7, a gear ring 8 and a plurality of planetary gears 6 arranged between the planetary lower support 5 and the output support 7, wherein the three-stage duplex gear 3 comprises a helical gear and a straight gear pinion, the straight gear pinion is arranged between the planetary gears 6 and is meshed with the planetary gears 6 as a sun gear, a parallel fixed-axis gear train and planetary gear train combined structure is adopted to replace a traditional parallel fixed-axis gear train, the integral structure is compact, the integral output torque (moment) and power are increased, the integral stability and the shock resistance and vibration resistance are improved remarkably, the advantages of high transmission efficiency, stable and reliable performance and the like are achieved, the service life of a gear box and the service life of a meat grinder are prolonged, and the user experience is better.
In addition, the large and small gears in the two-stage double gear 14 are preferably helical gears.
In this embodiment, the pinion in helical gear and the second grade duplicate gear meshes mutually, and helical gear's center department is equipped with tertiary gear shaft 2, and the center department of second grade duplicate gear 14 is equipped with secondary gear axle 4, and tertiary gear shaft 2 passes helical gear and rotates the inner at lid 1, and secondary gear axle 4's both ends extend outside the second grade duplicate gear 14 and rotate respectively and establish on the inner wall of casing 1 and lid 9, and secondary gear axle 4 and tertiary gear axle 2 that have can play supplementary direction and locate action for the rotation of second grade duplicate gear 14 and tertiary duplicate gear 3.
In this embodiment, a stepped cylinder is disposed between the helical gear and the spur gear, the planetary lower support 5 is sleeved on the cylinder, and the planetary lower support 5 is positioned by using the cylinder, and a gap is disposed between the cylinder and the gear, so as to prevent interference of the cylindrical portion to the secondary duplex gear 14 when the gear rotates.
In this embodiment, a through hole is formed in the housing 9, through which the output end of the driving motor 15 passes, and the lower side of the output end of the driving motor 15 passes through the sun gear 13 and is rotatably connected to the inner wall of the cover 1, so that the driving motor 15 provides a power source for the whole gearbox.
The bearings connected to the output end of the driving motor 15, the secondary gear shaft 4 and the tertiary gear shaft 2 are embedded in the housing 9 and the cover 1, respectively, and gaskets are additionally provided at the joints.
In this embodiment, the number of the planetary gears 6 is at least three, the gear ring 8 is disposed at the outer end of the planetary gears 6 and meshed with the plurality of planetary gears 6, and the plurality of planetary gears 6 are circumferentially distributed between the spur pinion and the gear ring 8, so that the load and the power between the planetary gears 6 can be uniformly distributed, and the stability is remarkably improved.
It should be noted that, the two-stage duplex gear 14 and the three-stage duplex gear 3 are all integrally formed, so that the assembly procedure and cost can be reduced while the overall strength (not easy to break) is ensured.
In this embodiment, one end of the output support 7 far away from the planet lower support 5 passes through the casing 9 and extends outwards to form a hollow shaft, inner key teeth 701 are circumferentially distributed in the hollow shaft, outer key teeth matched with the inner key teeth 701 are arranged on a blade connecting shaft part (not shown in the figure), and the blade connecting shaft part is fixed in a spline connection mode, so that the strength is higher, the connection stress is even, and the connection performance is more stable.
In this embodiment, the outer end of hollow shaft from bottom to top overlaps respectively and is equipped with connecting cover 10 and connector 11, and connecting cover 10 fixed mounting is on casing 9, and fixed connection is in the same place between connecting cover 10 and the connector 11, is equipped with the sealing washer of interference laminating between the inner wall of connector 11 and the connector 11 outer wall to can guarantee holistic leakproofness.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (8)
1. The utility model provides a meat grinder gear box, its characterized in that includes driving motor and the reduction gear box that comprises casing and lid, be equipped with planetary gear assembly and with planetary gear assembly linked dead axle gear assembly mutually in the reduction gear box, wherein:
The fixed shaft gear assembly comprises a secondary duplex gear and a central gear connected with the output end of the driving motor, and a large gear in the secondary duplex gear is meshed with the central gear;
The planetary gear assembly comprises a three-stage duplex gear, a planetary lower support, an output support, a gear ring and a plurality of planetary gears arranged between the planetary lower support and the output support;
the three-stage duplex gear comprises a helical gear and a straight gear pinion, and the straight gear pinion is arranged among a plurality of planetary gears and is meshed with the planetary gears as a sun gear.
2. A meat grinder gearbox as set forth in claim 1 wherein: the helical gear is meshed with the pinion in the second-stage duplex gear, a third-stage gear shaft is arranged at the center of the helical gear, a second-stage gear shaft is arranged at the center of the second-stage duplex gear, the third-stage gear shaft penetrates through the helical gear and is arranged at the inner end of the cover body in a rotating mode, and two ends of the second-stage gear shaft extend out of the second-stage duplex gear and are respectively arranged on the inner walls of the shell and the cover body in a rotating mode.
3. A meat grinder gearbox as set forth in claim 1 wherein: a stepped cylinder is arranged between the helical gear and the straight gear pinion, and the planetary lower support is sleeved on the cylinder and positioned by the cylinder; and a gap is arranged between the cylinder and the large gear.
4. A meat grinder gearbox as set forth in claim 1 wherein: the shell is provided with a through hole which is used for allowing the output end of the driving motor to pass through, and the lower side of the output end of the driving motor passes through the central gear and is rotationally connected to the inner wall of the cover body.
5. A meat grinder gearbox as set forth in claim 1 wherein: the planetary gears are at least three, and the gear ring is arranged at the outer end of the planetary gears and meshed with a plurality of the planetary gears.
6. A meat grinder gearbox as set forth in claim 1 wherein: and planetary shafts with the same number as that of the planetary gears are circumferentially arranged between the planetary lower support and the output support, and the planetary gears are correspondingly arranged on the planetary shafts.
7. A meat grinder gearbox as set forth in claim 1 wherein: one end of the output support, which is far away from the planet lower support, penetrates through the shell and extends outwards to form a hollow shaft, and inner key teeth are circumferentially distributed in the hollow shaft and used for outputting power.
8. A meat grinder gearbox as set forth in claim 7 wherein: the outer end of the hollow shaft is respectively sleeved with a connecting cover and a connector from bottom to top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322893664.2U CN221120838U (en) | 2023-10-26 | 2023-10-26 | Gear box of meat grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322893664.2U CN221120838U (en) | 2023-10-26 | 2023-10-26 | Gear box of meat grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221120838U true CN221120838U (en) | 2024-06-11 |
Family
ID=91366480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322893664.2U Active CN221120838U (en) | 2023-10-26 | 2023-10-26 | Gear box of meat grinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221120838U (en) |
-
2023
- 2023-10-26 CN CN202322893664.2U patent/CN221120838U/en active Active
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