CN113770912A

CN113770912A - Grinding machine

Info

Publication number: CN113770912A
Application number: CN202111081657.1A
Authority: CN
Inventors: 张军; 王焱海; 申波
Original assignee: Luoyang Runzhi Cnc Equipment Co ltd
Current assignee: Luoyang Runzhi Cnc Equipment Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2021-12-10

Abstract

The application provides a grind machine relates to grinding device technical field, includes: the grinding machine comprises a lifting adjusting mechanism and a grinding disc which is rotatably arranged on a rack, wherein the lifting adjusting mechanism is erected on the rack and is positioned above the grinding disc, a carrying disc is arranged between the lifting adjusting mechanism and the grinding disc, a workpiece is clamped in the carrying disc and is abutted against the grinding disc, the lifting adjusting mechanism is used for abutting against the workpiece downwards, and a rotating structure which is used for driving the carrying disc to rotate is arranged on the rack. When the grinding disc grinds the workpiece, the carrier disc is driven to rotate through the rotating structure, the workpiece is driven to rotate, and therefore the inherent grinding track is damaged, the grinding disc can grind the workpiece more uniformly, and the problem that the grinding position is unchanged, the grinding degree of the workpiece is different, and the flatness of the grinding surface of the workpiece is influenced is solved.

Description

Grinding machine

Technical Field

The application relates to the technical field of grinding equipment, in particular to a grinding machine.

Background

The grinding machine is a grinding machine for grinding the surface of a workpiece by using a grinding tool coated with or embedded with grinding materials, the conventional grinding machine grinds the workpiece by using a rotating grinding disc after fixing the workpiece, and due to different linear velocities of an outer ring and an inner ring of the grinding disc, the processing degrees of the outer ring and the inner ring at a grinding part are different during grinding, namely, the grinding amount of the outer ring is larger than that of the inner ring, and the flatness of the grinding surface of the workpiece is influenced

Disclosure of Invention

The utility model provides a grind machine destroys inherent grinding orbit for the grinding of abrasive disc to the work piece is more even, and the plane degree of work piece abrasive surface is better, has higher practical value.

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

the present application provides a grinding mill comprising: the grinding machine comprises a lifting adjusting mechanism and a grinding disc which is rotatably arranged on a rack, wherein the lifting adjusting mechanism is erected on the rack and is positioned above the grinding disc, a carrying disc is arranged between the lifting adjusting mechanism and the grinding disc, a workpiece is clamped in the carrying disc and is abutted against the grinding disc, the lifting adjusting mechanism is used for abutting against the workpiece downwards, and a rotating structure which is used for driving the carrying disc to rotate is arranged on the rack.

Optionally, the rotating structure is connected to the frame through a reciprocating mechanism, and the reciprocating mechanism is used for driving the rotating structure to reciprocate in a direction from the edge of the grinding disc to the center of the grinding disc.

Optionally, the reciprocating mechanism includes a slider-crank mechanism and a driving motor, the driving motor drives the slider-crank mechanism to crank, and a slider of the slider-crank mechanism is connected to the rotating structure.

Optionally, the rotating structure comprises an arc-shaped frame, a power device installed on the arc-shaped frame, and two rollers respectively arranged at two ends of the arc-shaped frame, the carrying disc is circular and contacts with the two rollers, and the power device drives one of the two rollers to rotate.

Optionally, a support rod is vertically arranged upwards on the top surface of the rack, the top end of the support rod is connected with the first end of the cross rod, and the lifting adjusting mechanism is arranged at the second end of the cross rod.

Optionally, the lifting adjusting mechanism includes an air cylinder and a pressing plate connected to a piston rod of the air cylinder, the air cylinder is fixed to the second end of the cross rod, and the piston rod of the air cylinder penetrates through the cross rod.

Optionally, the lifting adjusting mechanism, the rotating mechanism and the reciprocating mechanism are all controlled by a PLC.

Optionally, the carrying discs are provided in plurality, and the lifting adjusting mechanism, the rotating mechanism and the reciprocating mechanism are all arranged corresponding to the carrying discs in number.

The technical scheme provided by the application can comprise the following beneficial effects:

the application provides a pair of grind machine, when the abrasive disc ground the work piece, carry the dish through the rotating-structure drive and rotate, drive the work piece and rotate to destroy inherent grinding track, make the abrasive disc more even to the grinding of work piece, prevent to grind the position and do not change and cause the work piece grinding degree difference and influence the plane degree of work piece abrasive surface.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of a grinder according to an embodiment of the present application;

fig. 2 is a schematic view of a rotation structure of a grinder according to an embodiment of the present application.

In the figure: 1. a lifting adjusting mechanism; 101. a cylinder; 102. pressing a plate; 2. a grinding disk; 3. a carrying tray; 4. a rotating structure; 401. an arc-shaped frame; 402. a power plant; 403. a roller; 5. a frame; 6. a reciprocating mechanism; 7. a support bar; 8. a cross bar.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail below. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without making any creative effort, shall fall within the protection scope of the present application.

A particular embodiment of the present application provides a grinding mill, as shown in fig. 1 and 2, comprising: the grinding machine comprises a frame 5, a lifting adjusting mechanism 1 and a grinding disc 2, wherein a grinding main shaft is arranged on the frame 5, one end of the grinding main shaft penetrates through the top surface of the frame 5 and is connected with the grinding disc 2, and the other end of the grinding main shaft is driven by a servo motor. So that the grinding disc 2 can be rotatably arranged on the frame 5. The lifting adjusting mechanism 1 is erected on the frame 5, so that the lifting adjusting mechanism 1 is positioned above the grinding disc 2. A carrying disc 3 is arranged between the lifting adjusting mechanism 1 and the grinding disc 2, and the carrying disc 3 is used for placing a workpiece.

When in use, a workpiece is clamped in the carrying disc 3. So that the workpiece can rotate together with the boat 3. After the workpiece is clamped on the carrier disc 3, the bottom surface of the workpiece is abutted against the grinding disc 2. The lifting adjusting mechanism 1 is adjusted, so that the lifting adjusting mechanism 1 moves downwards to tightly abut against the workpiece, and the workpiece abuts against the grinding disc 2. At this time, the servo motor is driven, and the grinding disc 2 can be driven through the grinding main shaft to grind the workpiece.

A rotating structure 4 is arranged on the frame, and the rotating structure 4 can drive the carrying disc 3 to rotate. When the grinding disc 2 grinds the workpiece, the rotating structure 4 drives the carrier disc 3 to rotate, so that the workpiece is driven to rotate, the inherent grinding track is damaged, the grinding of the workpiece by the grinding disc 2 is more uniform, and the grinding position is prevented from being unchanged, so that the grinding degree of the workpiece is different, and the flatness of the grinding surface of the workpiece is not influenced.

As an alternative embodiment, in the specific embodiment of the present application, as shown in fig. 1 and fig. 2, a reciprocating mechanism 6 is further included, the rotating structure 4 is connected to the frame 5 through the reciprocating mechanism 6, and the reciprocating mechanism 6 is used for driving the rotating structure 4 to perform reciprocating motion, and the reciprocating motion direction is a direction from the edge of the grinding disc 2 to the center of the grinding disc 2. When the grinding disc 2 grinds a workpiece, the rotating structure 4 drives the carrier disc 3 to rotate, so as to drive the workpiece to rotate, and further destroy the inherent grinding track. Meanwhile, the reciprocating mechanism 6 drives the rotating structure 4 to reciprocate, and the inherent grinding track is further destroyed. The grinding disc 2 can uniformly grind the workpiece, and the influence on the flatness of the grinding surface of the workpiece caused by different grinding degrees of the workpiece due to unchanged grinding position can be prevented.

Regarding the specific structure of the reciprocating mechanism 6, as an alternative embodiment, in the specific embodiment of the present application, the reciprocating mechanism 6 includes a crank-slider mechanism and a drive motor. The crank-slider mechanism is a planar connecting rod mechanism which realizes mutual conversion of rotation and movement by using a crank and a slider. The crank-slider mechanism is characterized in that a component forming a moving pair with the frame is a slider, and a component connecting the crank and the slider through a rotating pair is a connecting rod. A driving motor drives a crank of a crank-slider mechanism to rotate, and a slider of the crank-slider mechanism is connected with a rotating structure 4. So set up, rotate through driving motor drive crank, can drive slider linear motion, with the movement track of slider with follow the consistent setting of the direction at 2 centers on the directional grinding disk in grinding disk 2 edges, the slider can drive rotating-structure 4 and carry out reciprocating motion in the direction from 2 centers on the directional grinding disk in grinding disk 2 edges.

Regarding the specific structure of the rotating structure 4, as an alternative embodiment, in the specific embodiment of the present application, as shown in fig. 1 and fig. 2, the rotating structure 4 includes an arc-shaped frame 401, a power device 402 and two rollers 403, the carrying tray 3 is circular, one roller 403 of the two rollers 403 is rotatably installed at a first end of the arc-shaped frame 401, and the other roller 403 is rotatably installed at a second end of the arc-shaped frame 401. Wherein the first end and the second end of the arc-shaped frame 401 are the two ends of the arc-shaped edge of the arc-shaped frame 401, respectively. A power unit 402 is mounted on the arc-shaped frame 401 for driving one of the two rollers 403 to rotate. The power device 402 may be a servo motor, and one of the two rollers 403 may be connected to a motor shaft of the servo motor through a belt.

Wherein arc frame 401 is located the top of abrasive disc 2, and the curved direction in arc limit of arc frame 401 is unanimous with abrasive disc 2's rotation direction, so sets up, and when abrasive disc 2 rotated, because abrasive disc 2 offseted with the work piece, abrasive disc 2 gave the power of a directional abrasive disc 2 rotation direction of work piece to the arc limit of carrying dish 3 pressure at arc frame 401, make the wheel disc of carrying dish 3 global and two gyro wheels 403 offset respectively. When one of the two rollers 403 is driven to rotate by the power device 402, the carrier tray 3 and the workpiece can be driven to rotate.

Regarding the erection of the lifting adjustment mechanism 1, as an alternative embodiment, in the embodiment of the present application, as shown in fig. 1, a support rod 7 may be vertically disposed upward on the top surface of the frame 5, a cross rod 8 may be disposed on the top end of the support rod 7, such that a first end of the cross rod 8 is connected to the top end of the support rod 7, and the lifting adjustment mechanism 1 may be disposed on a second end of the cross rod 8, such that the lifting adjustment mechanism 1 is erected above the tray 3. Wherein, reinforcing ribs can be connected between the support rods 7 and the cross rods 8, so that the stability is improved.

Regarding the specific structure of the lifting adjusting mechanism 1, as an alternative implementation manner, in the specific embodiment of the present application, as shown in fig. 1, the lifting adjusting mechanism 1 includes an air cylinder 101 and a pressing plate 102, wherein the air cylinder 101 is fixed at the second end of the cross bar 8, the pressing plate 102 is connected to a piston rod of the air cylinder 101, the air cylinder 101 is fixed at the second end of the cross bar 8, and the piston rod of the air cylinder 101 penetrates through the cross bar 8 and then is connected to the pressing plate 102. The air cylinder 101 controls the pressing plate 102 to move downwards to press the workpiece in the carrying disc 3, and after grinding is finished, the air cylinder 101 controls the pressing plate 102 to move upwards to take out the workpiece.

As an optional implementation manner, in the specific embodiment of the present application, the lifting adjusting mechanism 1, the rotating structure 4 and the reciprocating mechanism 6 are all controlled by a PLC, and the height of the lifting adjusting mechanism 1, the rotating speed of the rotating structure 4 and the speed of the reciprocating mechanism 6 are automatically adjusted in the grinding process according to different requirements of the workpiece, so that the grinding is more uniform and flat.

As an alternative implementation manner, in the specific embodiment of the present application, as shown in fig. 1, a plurality of the boat 3 are provided, and the lifting adjustment mechanism 1, the rotation mechanism 4 and the reciprocating mechanism 6 are provided corresponding to the number of the boat 3. Can grind a plurality of work pieces simultaneously, work efficiency is higher.

In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In this application, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims

1. A grinding mill, characterized in that it comprises: lifting adjusting mechanism (1) and rotatable abrasive disc (2) that set up on frame (5), lifting adjusting mechanism (1) erect in frame (5) and be located the top of abrasive disc (2), lifting adjusting mechanism (1) with set up between abrasive disc (2) and carry dish (3), the work piece card is established carry in dish (3) and with abrasive disc (2) offset, lifting adjusting mechanism (1) is used for supporting tightly downwards the work piece, set up in the frame and be used for the drive carry dish (3) pivoted rotating-structure (4).

2. A grinding mill according to claim 1, characterized in that the rotating structure (4) is connected to the machine frame (5) by a reciprocating mechanism (6), the reciprocating mechanism (6) being adapted to drive the rotating structure (4) to reciprocate in a direction from the edge of the grinding disc (2) towards the centre of the grinding disc (2).

3. A grinding mill according to claim 2, characterized in that the reciprocating mechanism (6) comprises a slider-crank mechanism and a drive motor, the drive motor driving the slider-crank mechanism to crank, the slider of the slider-crank mechanism being connected to the rotating structure (4).

4. A grinding mill according to claim 1, characterized in that the rotating structure (4) comprises an arc-shaped frame (401), a power device (402) mounted on the arc-shaped frame (401) and two rollers (403) respectively arranged at both ends of the arc-shaped frame (401), the carrier disc (3) being circular and in contact with the two rollers (403), the power device (402) driving one of the two rollers (403) to rotate.

5. A grinding mill according to claim 1, characterized in that a support bar (7) is vertically arranged upwards on the top surface of the machine frame (5), the top end of the support bar (7) is connected with the first end of a cross bar (8), and the lifting adjusting mechanism (1) is arranged at the second end of the cross bar (8).

6. A grinding mill according to claim 5, characterized in that the lifting adjustment mechanism (1) comprises a cylinder (101) and a pressure plate (102) connected to the piston rod of the cylinder (101), the cylinder (101) being fixed to the second end of the cross-bar (8), the piston rod of the cylinder (101) passing through the cross-bar (8).

7. A grinding mill according to claim 2, characterized in that the lifting adjustment mechanism (1), the rotating structure (4) and the reciprocating mechanism (6) are all controlled by PLC.

8. A grinding mill according to claim 2, characterized in that said carrier discs (2) are provided in plurality, said lifting adjustment mechanism (1), said rotary structure (4) and said reciprocating mechanism (6) being provided in correspondence of the number of said carrier discs (2).