Anti-impact acrylic protection device for marble table top of three-coordinate measuring machine

Abstract

The utility model relates to a protection device of a marble table top, and discloses an anti-impact acrylic protection device of a three-coordinate measuring machine marble table top, which comprises a marble working table, an acrylic protection plate is arranged above the marble working table, and rotary drums are connected in the periphery of the acrylic protection plate in a sliding manner. A button is arranged in the rotating cylinder, a limiting plate is fixedly connected to the middle of the button, rotating rods are rotationally connected to the periphery of the outer side of the limiting plate, clamping plates are rotationally connected to the ends, away from the limiting plate, of the rotating rods, and the outer sides of the clamping plates are slidably connected to the interior of the rotating cylinder. According to the utility model, through mutual cooperation of the rotating cylinder, the button and other structures, after the acrylic protection plate is placed on the marble workbench, the acrylic protection plate and the marble workbench are firmly clamped together through the clamping plate, so that the stability of the acrylic protection plate is ensured when the measuring machine works, and dust and stains on the acrylic protection plate can be cleaned through the brush after measurement is completed; and the measurement accuracy is ensured not to be influenced by the outside.

Description

Technical Field

[0001] The utility model relates to a protection device for marble table tops, in particular to an anti - impact acrylic protection device for the marble table tops of coordinate measuring machines. Background Technique

[0002] The coordinate measuring machine (CMM) plays a crucial role in the field of high - precision measurement. Its core component - the marble table top, is usually made of high - quality marble or granite and is widely used because of its excellent rigidity, stability and wear resistance. The granite table top has low thermal expansion, can maintain high measurement accuracy and stability. Its surface is flat and hard, which helps to reduce mechanical vibration and thermal deformation, ensuring the accuracy of measurement results.

[0003] However, due to the brittleness of marble materials, during the clamping process, accidental dropping of parts or jigs is extremely likely to cause damage to the table top, affecting measurement accuracy and equipment life. Existing protection measures such as general protective pads have problems such as poor fit, easy displacement and poor protection effect. Therefore, an anti - impact acrylic protection device for the marble table tops of coordinate measuring machines is proposed to solve the above problems. Content of the Utility Model

[0004] To make up for the above deficiencies, the utility model provides an anti - impact acrylic protection device for the marble table tops of coordinate measuring machines, aiming to solve the problem that the marble table tops are easily damaged.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: An anti - impact acrylic protection device for the marble table tops of coordinate measuring machines, including a marble workbench, an acrylic protection plate is arranged above the marble workbench. Rotating cylinders are slidably connected to the interiors of the four - week sides of the acrylic protection plate. Buttons are arranged inside the rotating cylinders. A limiting plate is fixedly connected to the middle of the button. Rotating rods are rotatably connected to the outer - week sides of the limiting plate. One end of the rotating rod far from the limiting plate is rotatably connected to a clamping plate. The outer side of the clamping plate is slidably connected inside the rotating cylinder. A sliding plate is fixedly connected to the bottom of the button. A spring is arranged between the bottom of the sliding plate and the inner bottom wall of the rotating cylinder. A cleaning component is arranged above the acrylic protection plate, and the cleaning component is used for cleaning the surface of the acrylic protection plate.

[0006] As a further description of the above technical scheme:

[0007] The cleaning component includes a brush. The bottom of the brush is slidably connected to the inside of the marble workbench, and the brush abuts against the top end of the acrylic protection plate.

[0008] As a further description of the above technical scheme:

[0009] The bottom of the rotary drum is threadedly connected to the inside of the marble workbench.

[0010] As a further description of the above technical solution:

[0011] The outside of the sliding plate is slidably connected to the inside of the rotary drum.

[0012] As a further description of the above technical solution:

[0013] The bottom of the clamping plate abuts against the top end of the acrylic protection plate.

[0014] As a further description of the above technical solution:

[0015] The top of the spring is fixedly connected to the bottom of the sliding plate, and the bottom of the spring is fixedly connected to the inner bottom wall of the rotary drum.

[0016] As a further description of the above technical solution:

[0017] Two chutes are provided inside the acrylic protection plate, and the outside of the brush is slidably connected to the inside of the chute.

[0018] As a further description of the above technical solution:

[0019] A handle is fixedly connected to the right side of the brush.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, a rotary drum is fixed inside the marble workbench. The rotary drum can be threadedly connected to the marble workbench through the external threads. Holes for the rotary drum to pass through are also provided at the corresponding positions of the acrylic protection plate and the marble workbench. After pressing the button, the limiting plate slides downward along with the button, and the clamping plates around are driven by the rotating rod to retract into the side wall of the rotary drum. At this time, the acrylic protection plate can be placed on the marble workbench through the rotary drum. After releasing the button, under the action of the spring, the clamping plates finally slide outwards and just abut against the top end of the acrylic protection plate according to the set position, ensuring that the acrylic protection plate will not deflect due to external force. And compared with bolt fixation, using a rotary drum is more convenient for fixing and replacing the acrylic protection plate.

[0022] 2. In the utility model, chutes are opened on both sides inside the acrylic protection plate to clamp the brush inside the acrylic protection plate. Since the coordinate measuring machine works on the acrylic protection plate, some stains or dust carried by the test parts will fall on the surface of the acrylic protection plate. The dust and stains on the top end of the protection plate can be brushed off by pulling the handle, and the soft hair under the brush can ensure that the measurement process will not be interfered. Description of the Drawings

[0023] Figure 1Schematic three-dimensional diagram of the anti-impact acrylic protection device for the marble tabletop of a coordinate measuring machine proposed by the present utility model;

[0024] Figure 2 Schematic structural diagram of the rotating cylinder of the anti-impact acrylic protection device for the marble tabletop of a coordinate measuring machine proposed by the present utility model;

[0025] Figure 3 Schematic structural diagram of the brush of the anti-impact acrylic protection device for the marble tabletop of a coordinate measuring machine proposed by the present utility model.

[0026] Legend description:

[0027] 1. Marble workbench; 2. Acrylic guard plate; 3. Rotating cylinder; 4. Button; 5. Rotating rod; 6. Limiting plate; 7. Spring; 8. Clamping plate; 9. Slide groove; 10. Slide plate; 11. Brush; 12. Handle. Specific implementation manners

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0029] Refer to Figure 1 - Figure 3 As shown in the figure, an embodiment provided by the present utility model: an anti-impact acrylic protection device for the marble tabletop of a coordinate measuring machine includes a marble workbench 1. An acrylic guard plate 2 is arranged above the marble workbench 1. Rotating cylinders 3 are slidably connected to the interiors of the four sides of the acrylic guard plate 2. A button 4 is arranged inside the rotating cylinder 3. A limiting plate 6 is fixedly connected to the middle of the button 4. Rotating rods 5 are rotatably connected to the outer circumferences of the four sides of the limiting plate 6. One end of the rotating rod 5 far from the limiting plate 6 is rotatably connected to a clamping plate 8. The outside of the clamping plate 8 is slidably connected inside the rotating cylinder 3. A slide plate 10 is fixedly connected to the bottom of the button 4. A spring 7 is arranged between the bottom of the slide plate 10 and the inner bottom wall of the rotating cylinder 3. A cleaning assembly is arranged above the acrylic guard plate 2, and the cleaning assembly is used to clean the surface of the acrylic guard plate 2. The bottom of the rotating cylinder 3 is threadedly connected to the inside of the marble workbench 1. The outside of the slide plate 10 is slidably connected inside the rotating cylinder 3. The bottom of the clamping plate 8 abuts against the top end of the acrylic guard plate 2. The top of the spring 7 is fixedly connected to the bottom of the slide plate 10, and the bottom of the spring 7 is fixedly connected to the inner bottom wall of the rotating cylinder 3.

[0030] Specifically, in this embodiment, four threaded holes are opened inside the marble workbench 1, and threads are also provided on the outer side of the rotating cylinder 3 so as to be threadedly connected inside the marble workbench 1. In order to protect the marble workbench 1, the acrylic guard plate 2 needs to be placed on the top of the marble workbench 1. The acrylic guard plate 2 is also provided with holes equal to the outer diameter of the rotating cylinder 3 at the positions corresponding to the threaded holes of the marble workbench 1. At this time, the button 4 can be pressed. The button 4 drives the limiting plate 6 to slide down. When the limiting plate 6 slides, the rotating rods 5 around it will all rotate and pull the clamping plate 8. The sliding plate 10 below the button 4 will compress the spring 7 at the bottom when sliding down. When the clamping plate 8 retracts into the side wall of the rotating cylinder 3, the acrylic guard plate 2 can pass through the rotating cylinder 3 and abut against the top of the marble workbench 1. At this time, the button 4 can be released. Under the action of the spring 7, the sliding plate 10 will slide up, and the button 4 is driven to slide up so that the limiting plate 6 gives an outward force to the rotating rods 5 around it. The four clamping plates 8 slide out of the side wall of the rotating cylinder 3 and the bottom of the clamping plate 8 abuts against the top of the rotating cylinder 3 to ensure that the rotating cylinder 3 will not shift during the measurement process and play a role of anti-collision protection for the marble workbench 1 below.

[0031] Refer to Figure 1 - Figure 3 As shown in FIG.

[0032] Specifically, two chutes 9 are opened on both sides inside the acrylic guard plate 2, and the bottom of the brush 11 slides inside the chute 9. There are many soft hairs on the brush 11. Because during the operation of the coordinate measuring machine, the workpiece to be measured and other component parts will all operate on the surface of the acrylic guard plate 2, it is inevitable to bring some dust and stains. The dust and stains on the tabletop may cause measurement errors and affect the measurement accuracy. Dust may cause poor contact between the probe and the surface of the workpiece, and stains may lead to misreading or contamination of the measurement results. Therefore, it is necessary to regularly clean and maintain the tabletop. By pulling the handle 12 to drive the brush 11 to remove the dust and stains on the surface of the acrylic guard plate 2, which is crucial for ensuring the accuracy of the measurement.

[0033] Working principle: In order to protect the marble workbench 1 from being collided and worn by parts or other components during the measurement process, an acrylic guard plate 2 is provided above the marble workbench 1. To ensure the stability of the acrylic guard plate 2 during the operation of the coordinate measuring machine, rotating cylinders 3 are internally threadedly connected to the four corners of the marble workbench 1. After pressing the button 4, both the limit plate 6 and the sliding plate 10 will slide down. The button 4 pulls the surrounding rotating rods 5 through the limit plate 6 and pulls the clamping plate 8 back into the side wall of the rotating cylinder 3. The sliding plate 10 compresses the spring 7. At this time, the holes opened in the acrylic guard plate 2 are respectively aligned with the four rotating cylinders 3 and then placed on the top of the marble workbench 1. After releasing the button 4, the button 4 will slide up under the elastic force of the spring 7. Finally, the clamping plate 8 will slide out of the side wall of the rotating cylinder 3, and the bottom of the clamping plate 8 just abuts against the top of the acrylic guard plate 2, firmly fixing the acrylic guard plate 2 to ensure the stability of the acrylic guard plate 2 during the operation of the coordinate measuring machine. After the operation is completed, the handle 12 can be pulled, and the soft hairs on the brush 11 will brush over the surface of the acrylic guard plate 2, sweeping away the dust and stains left after the operation of the coordinate measuring machine, preventing measurement deviation caused by dust and stains, and ensuring the accuracy of the measurement.

[0034] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. Anti-impact acrylic protection device for the marble tabletop of a coordinate measuring machine, comprising a marble workbench (1), characterized in that: Above the marble workbench (1), an acrylic protection board (2) is provided. Inside the four sides of the acrylic protection board (2), a rotating cylinder (3) is slidably connected. Inside the rotating cylinder (3), a button (4) is provided. In the middle of the button (4), a limiting plate (6) is fixedly connected. Around the outside of the limiting plate (6), a rotating rod (5) is rotatably connected at each of the four sides. One end of the rotating rod (5) away from the limiting plate (6) is rotatably connected to a clamping plate (8). The outside of the clamping plate (8) is slidably connected inside the rotating cylinder (3). At the bottom of the button (4), a sliding plate (10) is fixedly connected. Between the bottom of the sliding plate (10) and the inner bottom wall of the rotating cylinder (3), a spring (7) is provided. Above the acrylic protection board (2), a cleaning assembly is provided, and the cleaning assembly is used to clean the surface of the acrylic protection board (2).

2. The anti-impact acrylic protection device for the marble tabletop of the coordinate measuring machine according to claim 1, wherein: The cleaning assembly includes a brush (11). The bottom of the brush (11) is slidably connected inside the marble workbench (1), and the brush (11) abuts against the top end of the acrylic protection board (2).

3. The anti-impact acrylic protection device for the marble tabletop of the coordinate measuring machine according to claim 1, characterized in that: The bottom of the rotating cylinder (3) is threadedly connected inside the marble workbench (1).

4. The anti-impact acrylic protection device for the marble tabletop of the three-coordinate measuring machine according to claim 1, characterized in that: The outside of the sliding plate (10) is slidably connected inside the rotating cylinder (3).

5. The anti-impact acrylic protection device for the marble tabletop of the coordinate measuring machine according to claim 1, wherein: The bottom of the clamping plate (8) abuts against the top end of the acrylic protection board (2).

6. The anti-impact acrylic protection device for the marble tabletop of the coordinate measuring machine according to claim 1, wherein: The top of the spring (7) is fixedly connected to the bottom of the sliding plate (10), and the bottom of the spring (7) is fixedly connected to the inner bottom wall of the rotating cylinder (3).

7. The anti-impact acrylic protection device for the marble tabletop of the three-coordinate measuring machine according to claim 2, characterized in that: Inside the acrylic protection board (2), two sliding grooves (9) are provided, and the outside of the brush (11) is slidably connected inside the sliding grooves (9).

8. The anti-impact acrylic protection device for the marble tabletop of the three-coordinate measuring machine according to claim 2, characterized in that: A handle (12) is fixedly connected to the right side of the brush (11).

Images