CN215348456U

CN215348456U - Rotary oven bottom rotary driving mechanism

Info

Publication number: CN215348456U
Application number: CN202121180298.0U
Authority: CN
Inventors: 张伟刚; 吕贤; 吕玥; 左怡
Original assignee: Shaanxi Heyuan New Metallurgical Electric Furnace Equipment Co ltd
Current assignee: Shaanxi Heyuan New Metallurgical Electric Furnace Equipment Co ltd
Priority date: 2021-05-30
Filing date: 2021-05-30
Publication date: 2021-12-31
Anticipated expiration: 2031-05-30

Abstract

The utility model discloses a rotary oven bottom rotary driving mechanism, which comprises a base and a motor, wherein a belt is arranged on the motor, a rotary table is connected with a bolt in the base, a stepped shaft is arranged at the upper end of the rotary table, a duplicate gear is sleeved on the stepped shaft, a main shaft is arranged at the center of the rotary table, a reduction gear is welded in the middle of the main shaft and is rotatably connected with one end of the duplicate gear, a flange plate is arranged at the upper end of the main shaft, a bottom shell is connected onto the flange plate through bolts, a support is arranged at the upper end of the base, and rollers are arranged on the support; the motor drives the gear set to decelerate through a belt and drives the main shaft to rotate, so that a flange plate on the main shaft, which is connected with a furnace bottom bolt, drives the furnace body to rotate, and the whole weight of the furnace body is distributed on the base through the rollers; the utility model has simple structure, easy installation and disassembly, more convenient daily maintenance and repair, and greatly reduces the risk of the damage of the main shaft because the main shaft does not bear the weight of the furnace body.

Description

Rotary oven bottom rotary driving mechanism

Technical Field

The utility model relates to the field of food baking equipment, in particular to a rotary oven bottom rotary driving mechanism.

Background

An oven is a device for forming hot air to cook food, and is generally a closed or semi-closed structure. The traditional oven uses wood and coal for combustion heating, the modern oven has multiple functions, and is mostly heated by electric heat or natural gas, and in order to ensure that food is heated uniformly during baking, a rotating method is usually adopted for heating food.

Chinese utility model patent specification CN204670951U discloses a rotary oven with rotary function, comprising an oven body and supporting legs, wherein the oven body is internally provided with a chassis, a carbon net, a baking net and a top cover from bottom to top, the bottom of the oven body is provided with a motor, and a main shaft of the motor is connected with the center of the bottom surface of the baking net; the axle sleeve is established to the chassis facial make-up, and a heat-insulating section of thick bamboo is installed to carbon net central authorities top, and this utility model rotary oven passes through the motor and drives 360 degrees rotations of roast net axle, makes food can the even heating, is difficult to burn, labour saving and time saving, but because rotary oven toasts the volume greatly, all weights all are undertaken by the main shaft, and the main shaft often damages, during the maintenance, is difficult to disassemble again and changes, and the maintenance cost is very high.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a rotary oven hearth rotation driving mechanism to solve the above problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme:

a rotary oven bottom rotary driving mechanism comprises a base and a motor, wherein a belt is arranged on the motor, a rotary table is connected with a bolt in the base, a stepped shaft is arranged at the upper end of the rotary table, a duplicate gear is sleeved on the stepped shaft, a first bearing and a second bearing are arranged in the center of the rotary table, a main shaft is connected with the rotary table in a rolling mode through the first bearing and the second bearing, a reduction gear is welded in the middle of the main shaft, and the duplicate gear is provided with a driving gear and a driven gear; two ends of the belt are respectively sleeved on an output shaft of the motor and a driving gear of the duplicate gear, the driving gear is driven by the belt on the motor, and a driven gear is in transmission connection with the reduction gear; the upper end of the main shaft is provided with a flange plate, the flange plate is connected with a furnace bottom shell through bolts, a support is arranged above the base, and the support is provided with rollers.

As a preferred embodiment of the present invention: the diameter of the driving gear is larger than that of the driven gear, two needle roller bearings are arranged in an inner hole of the duplicate gear, and the duplicate gear is rotationally connected with the stepped shaft.

As a further preferable scheme of the utility model: and the base is provided with a thrust bearing, and the thrust bearing is rotationally connected with the main shaft.

As a still further preferable embodiment of the present invention: the side of the base is provided with a through hole, and the belt penetrates through the through hole and is in transmission connection with the driving gear.

As a still further preferable embodiment of the present invention: the reduction gear is wider than the duplicate gear.

As a still further preferable embodiment of the present invention: and a dust cover hinged on the base is arranged outside the motor.

Compared with the prior art, the utility model has the beneficial effects that: the rotary furnace is simple in structure, easy to install and disassemble and more convenient in daily maintenance and repair, meanwhile, all the weight of the rotary furnace is distributed on the base through the rollers, and the main shaft does not bear the weight of the furnace body, so that the risk of damage to the main shaft is greatly reduced.

Drawings

Fig. 1 is a main schematic view of the present invention.

Fig. 2 is a top sectional view of the present invention.

Fig. 3 is a schematic structural view of a portion a in fig. 1.

In the figure, 1-base, 2-motor, 3-rotating platform, 4-stepped shaft, 5-duplicate gear, 6-first bearing, 7-second bearing, 8-main shaft, 9-reduction gear, 10-flange, 11-bottom shell, 12-support, 13-roller, 14-driving gear, 15-driven gear, 16-needle bearing, 17-thrust bearing, 18-belt, 19-dust cover and 20-through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-3, in the embodiment of the present invention, a rotary driving mechanism for a rotary oven hearth includes a base 1 and a motor 2, a belt 18 is disposed on the motor 2, a rotary table 3 is bolted to the base 1, a stepped shaft 4 is disposed at an upper end of the rotary table 3, a duplicate gear 5 is sleeved on the stepped shaft 4, a first bearing 6 and a second bearing 7 are disposed at a center of the rotary table 3, a main shaft 8 is connected to the rotary table through the first bearing 6 and the second bearing 7 in a rolling manner, a reduction gear 9 is welded to a middle portion of the main shaft 8, and the duplicate gear 5 has a driving gear 14 and a driven gear 15; two ends of the belt 18 are respectively sleeved on an output shaft of the motor 2 and a driving gear 14 of the duplicate gear 5, the driving gear 14 is driven by the belt 18 on the motor 2, and a driven gear 15 is in transmission connection with the reduction gear 9; the upper end of the main shaft 8 is provided with a flange plate 10, the flange plate 10 is connected with a furnace bottom shell 11 through bolts, a support 12 is arranged above the base 1, and the support 12 is provided with rollers 13.

The working principle of the utility model is as follows: the motor 2 is connected with a driving gear 14 of the duplicate gear 5 through a belt 18, the driving gear 14 drives a driven gear 15 to rotate, the driven gear 15 drives a reduction gear 9 on a main shaft 8 to rotate, the main shaft 8 rotates along with the reduction gear 9, so that a flange plate 10 on the main shaft 8 drives a furnace body to rotate, all the weight of the furnace body is distributed on the base 1 through a roller 13, and the main shaft 8 is only connected to a furnace bottom shell 11 through the flange plate 10.

Example 2:

on the basis of embodiment 1, the diameter of the driving gear 14 is larger than that of the driven gear 15, two needle roller bearings 16 are arranged in an inner hole of the duplicate gear 5, the duplicate gear 5 is rotatably connected with the stepped shaft 4, the duplicate gear 5 and the reduction gear 9 play a role in reducing speed, and the occupied space is smaller; a through hole 20 is formed in the side of the base 1, the belt 18 penetrates through the through hole 20 to be in transmission connection with the driving gear 14, and the through hole 20 can effectively prevent dust; a thrust bearing 17 can be further arranged on the base 1, when the base is disassembled and assembled, the main shaft 8 is supported by the thrust bearing 17, and the main shaft 8 can rotate on the thrust bearing; the reduction gear 9 is wider than the duplicate gear 5, and the reduction gear 9 can adapt to the up-and-down movement with certain deviation; in addition, motor 2 outside can also install dust cover 19, avoids the powder when baking to get into motor 2, influences motor 2 performance.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The rotary driving mechanism for the rotary oven bottom comprises a base (1) and a motor (2), and is characterized in that a belt (18) is arranged on the motor (2), a rotary table (3) is connected to the inner bolt of the base (1), a stepped shaft (4) is arranged at the upper end of the rotary table (3), a duplicate gear (5) is sleeved on the stepped shaft (4), a first bearing (6) and a second bearing (7) are arranged at the center of the rotary table (3), a main shaft (8) is connected to the rotary table through the first bearing (6) and the second bearing (7) in a rolling mode, a reduction gear (9) is welded in the middle of the main shaft (8), and the duplicate gear (5) is provided with a driving gear (14) and a driven gear (15); the belt (18) both ends cup joint respectively on the output shaft of motor (2) and driving gear (14) of duplicate gear (5), and driving gear (14) are driven by belt (18) on motor (2), and driven gear (15) are connected with reduction gear (9) transmission, main shaft (8) upper end has ring flange (10), and bolted connection has stove drain pan (11) on ring flange (10), base (1) top is provided with support (12), is provided with gyro wheel (13) on support (12).

2. The rotary oven hearth driving mechanism according to claim 1, wherein said driving gear (14) is larger in diameter than said driven gear (15), said double gear (5) is provided with two needle bearings (16) in its inner bore, and said double gear (5) is rotatably connected to said stepped shaft (4).

3. A rotary oven floor drive according to claim 1, characterized in that the base (1) is provided with a thrust bearing (17), the thrust bearing (17) being rotatably connected to the main shaft (8).

4. The rotary oven hearth driving mechanism according to claim 3, wherein said base (1) has a through hole (20) at a side thereof, and said belt (18) is drivingly connected to said driving gear (14) through said through hole (20).

5. A rotary oven floor drive mechanism according to claim 2, characterized in that said reduction gear (9) is wider than the duplicate gear (5).

6. A rotary oven floor drive mechanism according to claim 4, characterized in that the motor (2) is externally provided with a dust cover (19) hinged on the base (1).