CN218856486U - A grinder grinding mechanism - Google Patents

Abstract

The utility model discloses a grinding mechanism of a grinding machine, which comprises a grip handle, one end of the grip handle is provided with a grinding motor, the driving end of the grinding motor is connected with a grinding shaft, and one end of the grinding shaft is connected with a A grinding disc, on which a grinding connection assembly is arranged; a grinding wheel is provided between the grinding connection assembly and the grinding disc; the utility model relates to the technical field of grinding machines, and the grinding mechanism of the grinding machine adopts a grip structure With the handle as the operating end, the grinding wheel can be fixed in both radial and axial directions by holding the grinding disc on the handle with the grinding connection assembly, and the limit column of the annular array structure is used to limit the wear and tear. The structure is simple and at the same time , Using a single connecting rod, the grinding wheel can be firmly connected with only a few screws, and it is very convenient to disassemble.

Description

A grinder grinding mechanism

technical field

The utility model relates to the technical field of grinding machines, in particular to a grinding mechanism of the grinding machine.

Background technique

The grinding machine is an important tool for grinding the workpiece. The grinding machine mainly uses a rotating grinding wheel or a friction plate as a grinding mechanism to grind the workpiece.

The grinding mechanism of the current grinding machine mainly uses screws to fix the grinding wheel during the grinding process. In order to fix the grinding wheel in this way, a plurality of screw rings are usually used on the fixed ring of the grinding wheel, which makes grinding need During disassembly and replacement, screws need to be replaced many times. The disassembly and assembly process is very cumbersome, and it is not convenient to replace the grinding wheel. In view of this, this case arises after in-depth research on the above problems.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides a grinding mechanism of a grinder, which solves the existing background technical problems.

In order to achieve the above purpose, the utility model is achieved through the following technical solutions: a grinding mechanism of a grinding machine, including a handle, one end of the handle is provided with a grinding motor, and a grinding motor is connected to the driving end of the grinding motor. shaft, one end of the grinding shaft is connected with a grinding disc, and the grinding disc is provided with a grinding connection assembly;

A grinding wheel is arranged between the grinding connection assembly and the grinding disc;

The grinding connection assembly includes: several connecting columns, several connecting holes, connecting discs, several card slots, slots and connecting screws;

A plurality of connecting columns are arranged in an annular array on the grinding disc, and a plurality of connecting holes corresponding to the connecting columns are arranged on the grinding wheel in an annular array. The buckle is set on one side of the grinding wheel, and the connecting plate is provided with a number of slots corresponding to the connecting columns. The connecting rod extends from the center of the connecting plate through the central through hole of the grinding wheel, and the grinding shaft is provided with a plug The groove matches the connecting rod, and the grinding shaft is provided with a connecting screw to connect with the connecting rod.

Preferably, the grinding shaft is vertically connected with a mounting hole on one side of the axis of the slot, and the connecting screw passes through the mounting hole to connect with the connecting rod.

Preferably, the several clamping grooves are several cylindrical grooves ring-shaped on one side surface of the connecting plate.

Preferably, the diameters of the several connecting posts match the diameters of the several connecting holes and are interference fit.

Preferably, an annular stop washer is provided on the outer edge of the connecting plate attached to the side of the grinding wheel.

Preferably, the connecting rod is an integral plate with one end in a cylindrical shape and the other end in a square column shape.

Beneficial effect

The utility model provides a grinding mechanism of a grinding machine. It has the following beneficial effects: the grinding mechanism of the grinding machine adopts the handle of the holding structure as the operating end, and the grinding wheel can be fixed in both radial and axial directions through the grinding disc on the holding handle and the grinding connection assembly. The limit column of the annular array structure is used for the limit of penetration. The structure is simple and at the same time, a single connecting rod is used, and the grinding wheel can be firmly connected with only a few screws, which is very convenient for disassembly and assembly.

Description of drawings

Fig. 1 is a front structural schematic diagram of a grinding mechanism of a grinding machine according to the utility model.

Fig. 2 is a side view schematic diagram of a grinding mechanism of a grinding machine according to the utility model.

Fig. 3 is a partial axonometric structural schematic diagram of a grinding mechanism of a grinding machine described in the present invention.

In the figure: 1. Grip handle; 2. Grinding shaft; 3. Grinding disc; 4. Grinding wheel; 5. Connecting column; 6. Connecting hole; 7. Connecting disc; 8. Card slot; 9. Slot; 10 , connecting screw; 11, annular limit washer; 12, connecting rod.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Embodiment: According to the accompanying drawings 1-3 of the specification, it can be known that this case is a grinding mechanism of a grinding machine, including a grip handle 1, one end of the grip handle 1 is provided with a grinding motor, and a grinding shaft 2 is connected to the driving end of the grinding motor. One end of the grinding shaft 2 is connected with a grinding disc 3, and the grinding disc 3 is provided with a grinding connection assembly. In the specific implementation process, the holding handle 1 is the hand-held end of the grinding machine, which is used to hold the grinding machine and drive the grinding machine through the grinding motor. The disc 3 rotates, and the grinding disc 3 is connected with the grinding wheel 4 through the grinding connection assembly, and the grinding wheel 4 is arranged between the grinding connection assembly and the grinding disc 3;

According to the accompanying drawings 1-3 of the specification, it can be seen that the above-mentioned grinding connection assembly includes: several connecting columns 5, several connecting holes 6, connecting plates 7, several card slots 8, slots 9 and connecting screws 10, and the connection relationship and position relationship are as follows;

A plurality of connecting columns 5 are arranged in an annular array on the grinding disc 3, and a plurality of connecting holes 6 corresponding to the plurality of connecting columns 5 are arranged on the grinding wheel 4 in an annular array. On one side of the grinding wheel 4, a plurality of card slots 8 are provided on the connecting disc 7 corresponding to a plurality of connecting columns 5. The connecting rod 12 extends from the center of the connecting disc 7 and runs through the central through hole of the grinding wheel 4, and the grinding shaft 2 is provided with a plug-in slot. The groove 9 matches the connecting rod 12, and the grinding shaft 2 is provided with a connecting screw 10 to connect with the connecting rod 12;

In the specific implementation process, the radial position of the grinding wheel 4 is fixed by connecting some connecting columns 5 on the grinding disc 3 through the connecting holes 6 of the grinding wheel 4, so that the grinding disc 3 can be rotated. The connecting rod 12 is inserted into the slot 9 of the grinding shaft 2, the connecting disc 7 is buckled and pressed on one side of the grinding wheel 4, and the connecting disc 7 is sleeved on the ends of several connecting columns 5 through a number of slots 8 At the same time as the closure is realized, the axial position of the connecting disc 7 to the grinding wheel 4 is fixed by cooperating with the fixing of the connecting screw 10 to the connecting rod 12 .

As a preferred solution, further, the grinding shaft 2 is vertically connected with a mounting hole on one side of the axis of the slot 9, and the connecting screw 10 passes through the mounting hole to connect with the connecting rod 12 to fix the position of the connecting rod 12 on the axis.

As a preferred solution, further, the plurality of clamping grooves 8 are cylindrical grooves ring-shaped on one side surface of the connection plate 7 , and the plurality of cylindrical grooves match the diameters of the ends of the plurality of connecting columns 5 .

As a preferred solution, further, the diameters of the connecting posts 5 and the connecting holes 6 match and are interference fit.

As a preferred solution, further, the outer edge of the connecting disc 7 attached to the grinding wheel 4 is provided with an annular limit washer 11, and the annular limit washer 11 is used to buffer and close the gap between the connecting disc 7 to avoid The grinding wheel moves in 4 strings.

As a preferred solution, further, the connecting rod 12 is an integrated plate with one end being cylindrical and the other end being a square column structure. The connection is matched, so as to further limit the position, so that the connecting disc 7 and the grinding wheel 4 act synchronously.

In summary, it can be seen that the grinding mechanism of the grinding machine adopts the handle of the holding structure as the operating end, and the grinding wheel 4 can be radially and axially moved by holding the grinding disc 3 on the handle 1 and cooperating with the grinding connection assembly. It is fixed in two directions, and the limit column of the annular array structure is used to limit the wear and tear. While the structure is simple, 12 single connecting rods are used, and the grinding wheel 4 can be stably connected with only a few screws. It is very convenient to install.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device. without further restrictions. The phrase "the inclusion of an element defined by ... does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising said element".

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A grinding mechanism of a grinding machine comprises a holding handle (1), wherein one end of the holding handle (1) is provided with a grinding motor, and a driving end of the grinding motor is connected with a grinding shaft (2), the grinding mechanism is characterized in that one end of the grinding shaft (2) is connected with a grinding disc (3), and a grinding connecting assembly is arranged on the grinding disc (3);

a grinding wheel (4) is arranged between the grinding connecting assembly and the grinding disc (3);

the connection subassembly of polishing includes: the connecting device comprises a plurality of connecting columns (5), a plurality of connecting holes (6), a connecting disc (7), a plurality of clamping grooves (8), a slot (9) and a connecting screw (10);

it has arranged a plurality of spliced poles (5) to be the annular array on mill (3), it is equipped with a plurality of connecting holes (6) and corresponds with a plurality of spliced poles (5) to be the annular array card on emery wheel (4), and is a plurality of spliced pole (5) link up a plurality of connecting hole (6), connection pad (7) are detained and are located emery wheel (4) one side of polishing, it corresponds with a plurality of spliced poles (5) to have seted up a plurality of draw-in grooves (8) on connection pad (7), the center through-hole that connecting rod (12) run through emery wheel (4) is extended at the center of connection pad (7), it matches with connecting rod (12) to have seted up slot (9) on axle of polishing (2), it is connected with connecting rod (12) to be provided with connecting screw (10) on axle of polishing (2).

2. The grinding mechanism of the grinding machine according to claim 1, characterized in that the grinding shaft (2) is vertically communicated with one side of the axis of the slot (9) with a mounting hole, and the connecting screw (10) penetrates through the mounting hole to be connected with the connecting rod (12).

3. A dresser grinding mechanism according to claim 2, wherein the plurality of pockets (8) are cylindrical recesses formed around one side surface of the coupling disc (7).

4. A sander grinding mechanism according to claim 3, characterized in that said attachment posts (5) are of a diameter matching and interference fit with said attachment holes (6).

5. A grinding mechanism of a grinding machine according to claim 4 characterized in that the outer edge of the connecting disc (7) which is attached to one side of the grinding wheel (4) is provided with an annular limit washer (11).

6. A sanding mechanism according to claim 5 characterized in that the connecting rod (12) is a one piece plate with a cylindrical end and a square cylindrical structure.

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