Grinding machine with grinding wheels of multiple specifications

Abstract

The utility model belongs to the technical field of grinding machines, and discloses a grinding machine with multi-specification grinding wheels, which comprises a mounting box and a main shaft, the main shaft is rotatably arranged on the mounting box in a penetrating manner, one end of the main shaft is provided with a first gear, and the first gear is arranged inside the mounting box; the unit connecting shafts are arranged in the mounting box in a penetrating manner, and the unit connecting shafts are uniformly arranged on the outer side of the main shaft in a surrounding manner; a second gear meshed with the first gear is arranged at one end of the unit connecting shaft, and the other end of the unit connecting shaft penetrates out of the bottom of the mounting box and is sleeved with a grinding wheel. The utility model solves the problem that the grinding wheel needs to be replaced frequently, and is suitable for processing different shapes of workpieces.

Description

TECHNICAL FIELD

[0001] The utility model relates to abrasive wheel machine technical field, especially a kind of abrasive wheel machine with multi-specification abrasive wheel. BACKGROUND

[0002] Abrasive wheel is a commonly used grinding tool, mainly used for grinding, cutting, polishing, deburring and other metal processing and non-metal processing process. It is usually driven by motor and rotates, and then realizes the processing of workpiece.

[0003] In actual processing, different processing objects also use different specifications of abrasive wheel, for example, spherical or elliptical abrasive wheel is usually used for processing curved surface or spherical surface, flat cylindrical abrasive wheel is usually used for processing plane or end surface, and slender cylindrical abrasive wheel is usually used for processing hole; However, since curved surface, plane and hole may exist on the same workpiece, when a workpiece is completely processed, multiple abrasive wheels are often needed to complete the corresponding processing procedure, and then different abrasive wheel machines need to be replaced, or the abrasive wheel needs to be frequently replaced for use on traditional abrasive wheel machine, which is very cumbersome to operate and wastes processing time. SUMMARY

[0004] The utility model aims at solving the problem of frequent replacement of abrasive wheel, and provides a kind of abrasive wheel machine with multi-specification abrasive wheel.

[0005] To solve the above technical problems, the utility model adopts the technical scheme that:

[0006] The utility model provides a kind of abrasive wheel machine with multi-specification abrasive wheel, including installation box,

[0007] Main shaft, the main shaft rotation is arranged in installation box, the main shaft one end is equipped with first gear, and the first gear is arranged in the inside of installation box;

[0008] Unit connecting shaft, the unit connecting shaft is arranged in installation box, the unit connecting shaft is provided with multiple groups, and is evenly arranged on the outside of main shaft;

[0009] The one end of the unit connecting shaft is provided with the second gear engaged with the first gear, and the other end of the unit connecting shaft is arranged out of the bottom of the installation box and is sleeved with the abrasive wheel.

[0010] Further, the motor box is fixed with the motor, the power output end of the motor is provided with the connecting head for connecting the main shaft, the main shaft is provided with the slot for being inserted with the connecting head and being driven, and the motor box is connected and fixed with the shell of installation box by connecting rod.

[0011] Further, the connecting head is in triangular prism structure, and the shape of the slot is inserted with the connecting head.

[0012] Furthermore, the top of the mounting box is provided with a threaded hole, one end of the connecting rod is threadedly connected to the threaded hole, and the other end of the connecting rod is rotatably fixed to the bottom of the motor box through a fourth bearing.

[0013] Furthermore, the connecting rod is provided in two parts, and the two connecting rods are arranged symmetrically.

[0014] Furthermore, the unit connecting shaft is threadedly connected to the shank of the grinding wheel, and the thread direction on the shank of the grinding wheel is opposite to the rotation direction of the unit connecting shaft.

[0015] Furthermore, the grinding wheel has at least two shapes.

[0016] The beneficial effects of this utility model are:

[0017] By setting multiple grinding wheels on a single mounting box, a single device can complete various processing steps without the need for frequent changes of different grinding wheel sizes, effectively saving operating time and reducing labor costs. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of the grinding wheel machine provided by this utility model;

[0019] Figure 2 for Figure 1 Axonometric drawing;

[0020] Figure 3 for Figure 2 A schematic diagram of the exploded structure;

[0021] Figure 4 for Figure 1 Schematic diagram of the bottom structure of a medium grinding mill;

[0022] Figure 5 for Figure 4 A schematic diagram of the exploded structure;

[0023] Figure 6 A schematic diagram of the internal structure of the mounting box after the top cover has been removed;

[0024] Figure 7 for Figure 6 A schematic diagram of the structure after removing the first gear.

[0025] In the diagram, 1 is the motor housing; 11 is the motor; 12 is the connector; 2 is the mounting box; 21 is the threaded hole; 3 is the spindle; 31 is the first bearing; 32 is the second bearing; 33 is the first gear; 34 is the groove; 4 is the unit connecting shaft; 41 is the third bearing; 42 is the second gear; 5 is the grinding wheel; 6 is the connecting rod; 61 is the fourth bearing; and 7 is the force rod. Detailed Implementation

[0026] The following specific examples illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model. It should be noted that, unless otherwise specified, the following embodiments and features described therein can be combined with each other.

[0027] It should be noted that the illustrations provided in the following embodiments are only schematic representations of the basic concept of the present invention. Therefore, the drawings only show the components related to the present invention and are not drawn according to the number, shape and size of the components in actual implementation. In actual implementation, the form, quantity and proportion of each component can be arbitrarily changed, and the layout of the components may also be more complex.

[0028] Example

[0029] like Figures 1-7 As shown, a grinding machine with multiple specifications of grinding wheels includes a cylindrical mounting box 2 and a motor housing 1. The mounting box 2 and the motor housing 1 are connected by a connecting rod 6. Preferably, in order to distribute the force evenly, the connecting rod 2 is set as two symmetrical rods. Specifically, the top end of the connecting rod 6 is rotatably embedded in the bottom of the motor housing 1 through a fourth bearing 61. The bottom end of the connecting rod 6 is threaded, and the top of the mounting box 2 is threaded with a threaded hole 21. The bottom end of the connecting rod 6 is installed in the threaded hole 21 through threaded engagement. With this solution, the mounting box 2 and the motor housing 1 can be detachably connected and fixed, which can facilitate the replacement of the entire mounting box 2. After connection, the two will not rotate relative to each other or slip off, thus ensuring the subsequent transmission.

[0030] Further, the main shaft 3 is arranged on the mounting box 2, the shaft body of the main shaft 3 is rotatably arranged on the mounting box 2 through the first bearing 31 and the second bearing 32, the top end of the main shaft 3 is arranged on the outer upper side of the mounting box 2, the top end of the main shaft 3 is vertically provided with the slot 34, the motor box 1 is provided with the motor 11, the power output end of the motor 11 is arranged on the outer lower side of the motor box 1, the power output end of the motor 11 is provided with the connecting head 12 in the shape of a triangular prism, the connecting head 12 is inserted and matched with the slot 34, through the prism-shaped insertion and matching, the transmission efficiency can be higher. The bottom end of the main shaft 3 is provided with the first gear 33, the first gear 33 is arranged on the inner side of the mounting box 2, further, four unit connecting shafts 4 are uniformly arranged on the bottom of the mounting box 2, the four unit connecting shafts 4 are rotatably arranged on the mounting box 2 through the third bearing 41 respectively, further, there is a suitable gap between each unit connecting shaft 4, so that the adjacent two grinding wheels 5 have independent working space and do not interfere with each other during subsequent use, the top end of the unit connecting shaft 4 is provided with the second gear 42, the second gear 42 is arranged on the inner side of the mounting box 2, and the four second gears 42 are all engaged with the first gear 33, through this scheme, the gear transmission is arranged, which facilitates the power transmission of the motor 11 to the multiple unit connecting shafts 4, and provides power for subsequent processing. The bottom end of the unit connecting shaft 4 is threadedly sleeved with the grinding wheel 5, the grinding wheel 5 is a prior art structure, which comprises a grinding wheel body and a handle, and the shapes of the grinding wheel bodies of the four grinding wheels 5 are different, such as spherical, oval, cylindrical, trapezoidal and the like, the shapes of the four grinding wheels 5 are preferably commonly used hemispherical, semi-oval, flat cylindrical and slender cylindrical, the top end of the handle of the grinding wheel 5 is threadedly sleeved with the unit connecting shaft 4, and the rotation direction of the thread tightening is opposite to the rotation direction of the unit connecting shaft 4. Through this scheme, the grinding wheels 5 with different shapes can complete various processing procedures without frequent replacement of different specifications of grinding wheels 5 by using a single device, which effectively saves the working time and reduces the labor cost.

[0031] Preferably, the annular side wall of the mounting box 2 is further provided with a force lever 7 for hand holding; through this scheme, the hand holding point of the worker is increased during operation, which can hold the design more stably, so that the processing stability is better.

[0032] The working mode of the device is as follows:

[0033] Before use, the slot 34 of the main shaft 3 is inserted on the connecting head 12 of the motor 1, and the connecting rods 6 are respectively screwed into the threaded holes 21 on the mounting box 2 to connect them; after the connection is completed, the grinding wheels 5 of the corresponding specifications are selected according to the actual processing needs and are respectively threadedly sleeved on the corresponding unit connecting shafts 4; during use, the motor 11 is started, the grinding wheel 5 starts to rotate under the wheel transmission, and the worker holds the motor box 1 and the force lever 7 to make the corresponding grinding wheel 5 close to the workpiece for processing; when the workpiece needs to be processed elsewhere, the other corresponding grinding wheel 5 is close to the workpiece.

[0034] The above-described embodiments only express the specific implementation of the present application, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are within the scope of protection of the present application.

Claims

1. A grinder having multi-specification grinding wheels, characterized by: Including installation box (2), Main shaft (3), the main shaft (3) rotates and is provided on installation box (2), one end of the main shaft (3) is provided with first gear (33), the first gear (33) is arranged in the inside of installation box (2); Unit connecting shaft (4), the unit connecting shaft (4) is arranged in installation box (2), the unit connecting shaft (4) is provided with multiple groups, and is uniformly arranged outside the main shaft (3); One end of the unit connecting shaft (4) is provided with the second gear (42) engaged with the first gear (33), the other end of the unit connecting shaft (4) is out of the bottom of installation box (2), and the grinding wheel (5) is sleeved and arranged.

2. The grinder with multi-specification grinding wheels according to claim 1, characterized in that: Including motor box (1), the motor (11) is fixed in the motor box (1), the power output end of the motor (11) is provided with connecting head (12), which is used for connecting main shaft (3);The main shaft (3) is provided with groove (34), which is used for inserting and cooperating with connecting head (12) and realizing transmission;The motor box (1) is connected and fixed with the shell of installation box (2) through connecting rod (6).

3. The grinder with multi-specification grinding wheels according to claim 2, characterized in that: The connecting head (12) is a triangular prism structure, and the shape of the groove (34) is adapted to the insertion of the connecting head (12).

4. The grinder with multi-specification grinding wheels according to claim 2, characterized in that: The top of the installation box (2) is provided with a threaded hole (21), one end of the connecting rod (6) is threadedly connected with the threaded hole (21), and the other end of the connecting rod (6) is rotatably fixed at the bottom of the motor box (1) through the fourth bearing (61).

5. The grinder with multi-specification grinding wheels according to claim 4, characterized in that: The connecting rod (6) is provided with two, and the two connecting rods (6) are symmetrically arranged.

6. The grinder with multi-specification grinding wheels according to claim 1, characterized in that: The unit connecting shaft (4) and the handle of the grinding wheel (5) are threadedly connected, and the thread rotation direction on the handle of the grinding wheel (5) is opposite to the rotation direction of the unit connecting shaft (4).

7. The grinder with multi-specification grinding wheels according to claim 1, characterized in that: The shape of the grinding wheel (5) is at least two kinds.

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