Damping rack

Abstract

The utility model relates to a damping rack. The machine frame comprises a machine frame main body, a plurality of first supporting frames are fixedly connected to the bottom of the rack main body; a plurality of second support frames are arranged at the bottom of the first support frame; through the structural design that the first piston blocks sliding in the supporting legs are arranged at the bottom of the rack main body and are supported through the supporting rods, when the rack main body vibrates, kinetic energy generated by vibration is absorbed through hydraulic oil, damping of the rack main body can be achieved, and the service life of the rack main body is prolonged. According to the machine frame, the supporting effect of the machine frame body on a machine tool is better, and the problems that vibration is likely to be generated in the machine frame, excessive vibration may cause looseness or abrasion of parts in the machine frame, the machining precision may be reduced, noise is generated in the machine frame due to vibration, and the machining precision is affected are effectively solved. Meanwhile, due to excessive vibration, the rack is prone to shifting, and use of the rack is affected.

Description

Technical Field

[0001] The utility model relates to the field of numerical control machine tool equipment, in particular to a shock-absorbing frame. Background Art

[0002] The CNC machine tool frame is an important part of the CNC machine tool. It carries various components of the machine tool and provides a stable foundation and support for the machine tool. The design and manufacturing quality of the frame directly affects the accuracy, rigidity and stability of the machine tool, and thus affects the quality and efficiency of the processed parts. The material of the CNC machine tool frame is usually cast iron or steel, because these materials have good rigidity and stability and can withstand various forces and vibrations generated by the machine tool during the processing process.

[0003] During the use of the CNC machine tool frame, when the workpiece is cut, polished, etc., the inside of the frame is prone to vibration. Excessive vibration may cause the internal parts of the frame to loosen or wear, which may reduce the processing accuracy. Vibration will also cause noise inside the frame. At the same time, excessive vibration can easily cause the frame to shift, affecting the use of the frame. Utility Model Content

[0004] To this end, the technical problem to be solved by the utility model is to overcome the problem in the prior art that the interior of the frame is prone to vibration. Excessive vibration may cause loosening or wear of internal components of the frame, which may reduce the processing accuracy. Vibration may also cause noise inside the frame. At the same time, excessive vibration may easily cause the frame to shift, affecting the use of the frame.

[0005] In order to solve the above technical problems, the utility model provides a shock-absorbing frame, including a frame body; a plurality of first support frames are fixedly connected to the bottom of the frame body; a plurality of second support frames are arranged at the bottom of the first support frame, and the second support frames and the first support frame are arranged in pairs; an adjustment component is arranged between the first support frame or the second support frame; a plurality of supporting feet are fixedly connected to the bottom of the second support frame; a first piston block is slidably connected to the inside of the supporting foot; a support rod is slidably connected to the inside of the first piston block; a spring is fixedly connected between the top of the support rod and the inner side wall of the supporting foot, and between the bottom of the support rod and the inner side wall of the supporting foot; a support rod is fixedly connected to the bottom of the first piston block; the sliding cavity of the first piston block is filled with hydraulic oil; the frame body can be shock-absorbing, so that the frame body has a better supporting effect on the machine tool.

[0006] In one embodiment of the present invention, the adjusting component includes a sliding block; the sliding block is slidably connected to the internal position of the first support frame or the second support frame; the first support frame or the second support frame is rotatably connected to an adjusting screw; the thread on the surface of the adjusting screw is symmetrically arranged along the center line of the adjusting screw; the sliding block is symmetrically arranged along the center line of the adjusting screw inside the first support frame or the second support frame; the sliding block is threadedly connected to the adjusting screw; the sliding block is slidably connected to a second piston block inside the sliding block; a spring is fixedly connected between the side wall of the second piston block and the inner side wall of the sliding block; the sliding cavity of the second piston block is filled with hydraulic oil; the second piston block is rotatably connected to a scissors-type adjusting rod inside, and the two corresponding scissors-type adjusting rods are arranged in a scissors-type manner; the kinetic energy of vibration can be further absorbed, thereby achieving a better shock-absorbing effect on the frame body.

[0007] In one embodiment of the utility model, a plurality of connecting rods are fixedly connected between the two second support frames; a plurality of guide rods are fixedly connected to the bottom of the frame body; the guide rods are arranged corresponding to the connecting rods; the guide rods are slidably connected to the internal position of the connecting rods; this can achieve a better vibration energy absorption effect and a better shock absorption effect on the frame body.

[0008] In one embodiment of the utility model, a limit block is fixed inside the sliding block; the limit block is slidably connected to an internal position of the first support frame or the second support frame; this can make the sliding block more stable when sliding inside the first support frame or the second support frame.

[0009] In one embodiment of the utility model, the sliding block is internally rotatably connected with a plurality of anti-wear pulleys; the side walls of the anti-wear pulleys are in contact with the side walls of the first support frame or the second support frame; thereby reducing the wear between the sliding block and the first support frame or the second support frame.

[0010] In one embodiment of the utility model, a supporting sleeper is fixedly connected to the bottom of the supporting rod; the supporting sleeper is concentrically arranged with the supporting rod; the noise and vibration generated when the machine tool is running can be effectively reduced, thereby protecting the machine tool.

[0011] In one embodiment of the utility model, a positioning block is fixedly connected to the side wall of the adjusting screw; the positioning block is rotatably connected to an internal position of the first support frame or the second support frame; the adjusting screw is less likely to tilt during rotation, making the rotation of the adjusting screw more stable.

[0012] In one embodiment of the utility model, a plurality of balls are arranged between the first support frame or the second support frame and the positioning block; the side walls of the balls are in contact with the side walls of the first support frame or the second support frame; so that the wear between the positioning block and the first support frame or the second support frame is reduced.

[0013] The above technical solution of the utility model has the following advantages compared with the prior art:

[0014] 1. The shock-absorbing frame described in the utility model has a first piston block that slides inside the supporting foot at the bottom of the frame body, and supports the first piston block through the supporting rod. When the frame body vibrates, the structural design can absorb the kinetic energy generated by the vibration through the hydraulic oil, thereby realizing the function of shock-absorbing the frame body, so that the frame body has a better supporting effect on the machine tool, and effectively solves the problem that the interior of the frame is prone to vibration. Excessive vibration may cause loosening or wear of internal parts of the frame, which may reduce the processing accuracy. The vibration may also cause noise inside the frame. At the same time, excessive vibration may easily cause the frame to shift, affecting the use of the frame.

[0015] 2. The shock-absorbing frame described in the utility model can control the rotation of the adjusting screw during the use of the machine tool, so that the adjusting screw can cooperate with the thread of the sliding block, driving the sliding block to slide inside the first support frame or the second support frame, and the structural design of the frame body is performed by the scissor structure of the scissor adjusting rod, thereby realizing a function that can make the height adjustment of the frame body more convenient. At the same time, hydraulic oil is filled in the sliding cavity of the second piston block, which can further absorb the kinetic energy of the vibration, thereby achieving a better shock-absorbing effect on the frame body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to make the content of the utility model more clearly understood, the utility model is further described in detail below based on specific embodiments of the utility model in combination with the accompanying drawings.

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 It is a cross-sectional view of the frame body in the utility model;

[0019] Figure 3 It is a cross-sectional view of the support foot in the utility model;

[0020] Figure 4 It is a structural schematic diagram of the scissor adjustment rod in the utility model;

[0021] Figure 5 It is a cross-sectional view of the sliding block in the utility model;

[0022] Figure 6 It is a partial structural schematic diagram of the adjusting screw in the utility model.

[0023] Description of the accompanying drawings: 1. Frame body; 2. First support frame; 201. Second support frame; 3. Support foot; 4. First piston block; 5. Support rod; 6. Sliding block; 7. Second piston block; 8. Adjusting screw; 9. Scissor adjustment rod; 10. Connecting rod; 11. Guide rod; 12. Limiting block; 13. Anti-wear pulley; 14. Support sleeper; 15. Positioning block; 16. Ball bearing DETAILED DESCRIPTION

[0024] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0025] Reference Figures 1 to 3 As shown, a shock-absorbing frame described in an embodiment of the utility model includes a frame body 1; a plurality of first support frames 2 are fixedly connected to the bottom of the frame body 1; a plurality of second support frames 201 are arranged at the bottom of the first support frame 2, and the second support frames 201 and the first support frames 2 are arranged in pairs; an adjustment component is provided between the first support frame 2 or the second support frame 201; a plurality of support feet 3 are fixedly connected to the bottom of the second support frame 201; a first piston block 4 is slidably connected to the inside of the support foot 3; a support rod 5 is slidably connected to the inside of the first piston block 4; the top of the support rod 5 is connected to the support foot 3 Springs are fixedly connected to the inner wall, and between the bottom of the support rod 5 and the inner wall of the support foot 3; the bottom of the first piston block 4 is fixedly connected to the support rod 5; the sliding cavity of the first piston block 4 is filled with hydraulic oil; during operation, when the machine tool vibrates during operation, the first piston block 4 sliding inside the support foot 3 is set at the bottom of the frame body 1, and the first piston block 4 is supported by the support rod 5, so that when the frame body 1 vibrates, the kinetic energy generated by the vibration can be absorbed by the hydraulic oil, thereby reducing the shock of the frame body 1, so that the frame body 1 has a better supporting effect on the machine tool.

[0026] Reference Figures 1 to 5As shown, the adjusting assembly includes a sliding block 6; the sliding block 6 is slidably connected to the internal position of the first support frame 2 or the second support frame 201; the first support frame 2 or the second support frame 201 is rotatably connected to the inside of an adjusting screw 8; the threads on the surface of the adjusting screw 8 are symmetrically arranged along the center line of the adjusting screw 8; the sliding block 6 is symmetrically arranged along the center line of the adjusting screw 8 inside the first support frame 2 or the second support frame 201; the sliding block 6 is threadedly connected to the adjusting screw 8; the sliding block 6 is slidably connected to a second piston block 7; a spring is fixed between the side wall of the second piston block 7 and the inner side wall of the sliding block 6; the sliding of the second piston block 7 The dynamic chamber is filled with hydraulic oil; the interior of the second piston block 7 is rotatably connected to a scissor-type adjusting rod 9, and the two corresponding scissor-type adjusting rods 9 are arranged in a scissor-type configuration; during operation, during the use of the machine tool, the adjusting screw 8 can be controlled to rotate, so that the adjusting screw 8 and the thread of the sliding block 6 cooperate, driving the sliding block 6 to slide inside the first support frame 2 or the second support frame 201, and the frame body 1 is lifted and lowered through the scissor-type structure of the scissor-type adjusting rod 9, thereby making it more convenient to adjust the height of the frame body 1. At the same time, the sliding chamber of the second piston block 7 is filled with hydraulic oil, which can further absorb the kinetic energy of the vibration, thereby achieving a better shock-absorbing effect on the frame body 1.

[0027] Reference Figure 1 to Figure 2 As shown, a plurality of connecting rods 10 are fixedly connected between the two second support frames 201; a plurality of guide rods 11 are fixedly connected to the bottom of the frame body 1; the guide rods 11 are arranged corresponding to the connecting rods 10; the guide rods 11 are slidably connected to the internal position of the connecting rods 10; during operation, when the height of the frame body 1 is adjusted by the adjustment assembly, the sliding of the guide rods 11 is restricted by the connecting rods 10, so that in the process of adjusting the height of the frame body 1, the sliding of the frame body 1 can be made more stable, and at the same time, the direction of vibration can be guided, so that the vibration energy absorption effect can be better, and the shock absorption effect of the frame body 1 can be better.

[0028] Reference Figure 4 As shown, the interior of the sliding block 6 is fixedly connected to a limit block 12; the limit block 12 is slidably connected to an internal position of the first support frame 2 or the second support frame 201; during operation, when the sliding block 6 slides inside the first support frame 2 or the second support frame 201, by setting the limit block 12 on the side wall of the sliding block 6 and limiting the sliding of the limit block 12 by the first support frame 2 or the second support frame 201, the sliding block 6 can be made more stable when sliding inside the first support frame 2 or the second support frame 201.

[0029] Reference Figure 4As shown, the sliding block 6 is internally rotatably connected with a plurality of anti-wear pulleys 13; the side walls of the anti-wear pulleys 13 are in contact with the side walls of the first support frame 2 or the second support frame 201; during operation, when the sliding block 6 slides inside the first support frame 2 or the second support frame 201, by arranging the anti-wear pulleys 13 on the side walls of the sliding block 6, the friction between the sliding block 6 and the first support frame 2 or the second support frame 201 can be reduced, thereby reducing the wear between the sliding block 6 and the first support frame 2 or the second support frame 201.

[0030] Reference Figure 1 and Figure 3 As shown, a support sleeper 14 is fixedly connected to the bottom of the support rod 5; the support sleeper 14 is arranged concentrically with the support rod 5; during operation, by arranging the support sleeper 14 at the bottom of the support rod 5, the noise and vibration generated during the operation of the machine tool can be effectively reduced, thereby protecting the machine tool.

[0031] Reference Figure 6 As shown, a positioning block 15 is fixedly connected to the side wall of the adjusting screw 8; the positioning block 15 is rotatably connected to the internal position of the first support frame 2 or the second support frame 201; during operation, when the adjusting screw 8 rotates inside the first support frame 2 or the second support frame 201, by arranging the positioning block 15 on the side wall of the adjusting screw 8, the adjusting screw 8 can be less likely to tilt during rotation, so that the rotation of the adjusting screw 8 is more stable.

[0032] Reference Figure 6 As shown, a plurality of balls 16 are provided between the first support frame 2 or the second support frame 201 and the positioning block 15; the side walls of the balls 16 are in contact with the side walls of the first support frame 2 or the second support frame 201; during operation, when the positioning block 15 rotates inside the first support frame 2 or the second support frame 201, by providing the balls 16 between the positioning block 15 and the first support frame 2 or the second support frame 201, the sliding friction between the positioning block 15 and the first support frame 2 or the second support frame 201 can be converted into rolling friction, so that the wear between the positioning block 15 and the first support frame 2 or the second support frame 201 is reduced.

[0033] During operation, when the machine tool vibrates during operation, a first piston block 4 sliding inside the supporting foot 3 is set at the bottom of the frame body 1, and the first piston block 4 is supported by the supporting rod 5. When the frame body 1 vibrates, the kinetic energy generated by the vibration can be absorbed by the hydraulic oil, thereby reducing the shock of the frame body 1, so that the frame body 1 has a better supporting effect on the machine tool.

[0034] During the use of the machine tool, the adjusting screw 8 can be controlled to rotate, so that the adjusting screw 8 can cooperate with the thread of the sliding block 6, driving the sliding block 6 to slide inside the first support frame 2 or the second support frame 201, and the frame body 1 can be raised and lowered through the scissor-fork structure of the scissor-fork adjusting rod 9, so that the height adjustment of the frame body 1 can be more convenient. At the same time, hydraulic oil is filled in the sliding cavity of the second piston block 7, which can further absorb the kinetic energy of the vibration, so that the shock absorption effect of the frame body 1 can be better.

[0035] When the height of the rack body 1 is adjusted by the adjustment assembly, the sliding of the guide rod 11 is restricted by the connecting rod 10, so that in the process of adjusting the height of the rack body 1, the sliding of the rack body 1 can be made more stable, and the direction of the vibration can be guided, so that the vibration energy absorption effect can be better, and the shock absorption effect of the rack body 1 can be better.

[0036] When the sliding block 6 slides inside the first support frame 2 or the second support frame 201, by setting a limit block 12 on the side wall of the sliding block 6 and limiting the sliding of the limit block 12 by the first support frame 2 or the second support frame 201, the sliding block 6 can be made more stable when sliding inside the first support frame 2 or the second support frame 201.

[0037] When the sliding block 6 slides inside the first support frame 2 or the second support frame 201, by arranging the anti-wear pulley 13 on the side wall of the sliding block 6, the friction between the sliding block 6 and the first support frame 2 or the second support frame 201 can be reduced, so that the wear between the sliding block 6 and the first support frame 2 or the second support frame 201 is reduced.

[0038] By arranging the support sleeper 14 at the bottom of the support rod 5, the noise and vibration generated when the machine tool is running can be effectively reduced, thereby protecting the machine tool.

[0039] When the adjusting screw 8 rotates inside the first support frame 2 or the second support frame 201, by providing a positioning block 15 on the side wall of the adjusting screw 8, the adjusting screw 8 can be less likely to tilt during rotation, making the rotation of the adjusting screw 8 more stable.

[0040] When the positioning block 15 rotates inside the first support frame 2 or the second support frame 201, by arranging the ball 16 between the positioning block 15 and the first support frame 2 or the second support frame 201, the sliding friction between the positioning block 15 and the first support frame 2 or the second support frame 201 can be converted into rolling friction, so that the wear between the positioning block 15 and the first support frame 2 or the second support frame 201 is reduced.

[0041] Obviously, the above embodiments are merely examples for the purpose of clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the scope of protection of the invention of the utility model.

Claims

1. A shock-absorbing frame, characterized in that: The invention comprises a frame body (1); a plurality of first support frames (2) are fixedly connected to the bottom of the frame body (1); a plurality of second support frames (201) are arranged at the bottom of the first support frame (2), and the second support frames (201) and the first support frames (2) are arranged in pairs; an adjustment component is arranged between the first support frame (2) or the second support frame (201); a plurality of support feet (3) are fixedly connected to the bottom of the second support frame (201); a first piston block (4) is slidably connected to the inside of the support foot (3); a support rod (5) is slidably connected to the inside of the first piston block (4); a spring is fixedly connected between the top of the support rod (5) and the inner side wall of the support foot (3), and between the bottom of the support rod (5) and the inner side wall of the support foot (3); a support rod (5) is fixedly connected to the bottom of the first piston block (4); and the sliding cavity of the first piston block (4) is filled with hydraulic oil.

2. A shock-absorbing frame according to claim 1, characterized in that: The adjustment component comprises a sliding block (6); the sliding block (6) is slidably connected to an internal position of the first support frame (2) or the second support frame (201); an adjusting screw (8) is rotatably connected to the inside of the first support frame (2) or the second support frame (201); the threads on the surface of the adjusting screw (8) are symmetrically arranged along the center line of the adjusting screw (8); the sliding block (6) is symmetrically arranged along the center line of the adjusting screw (8) inside the first support frame (2) or the second support frame (201); the sliding block (6) is threadedly connected to the adjusting screw (8); a second piston block (7) is slidably connected to the inside of the sliding block (6); a spring is fixedly connected between the side wall of the second piston block (7) and the inner side wall of the sliding block (6); the sliding cavity of the second piston block (7) is filled with hydraulic oil; a scissor-type adjustment rod (9) is rotatably connected to the inside of the second piston block (7), and two corresponding scissor-type adjustment rods (9) are arranged in a scissor-type manner.

3. A shock-absorbing frame according to claim 2, characterized in that: A plurality of connecting rods (10) are fixedly connected between the two second support frames (201); a plurality of guide rods (11) are fixedly connected to the bottom of the frame body (1); the guide rods (11) are arranged corresponding to the connecting rods (10); and the guide rods (11) are slidably connected to the inner position of the connecting rods (10).

4. A shock-absorbing frame according to claim 3, characterized in that: A limit block (12) is fixedly connected inside the sliding block (6); the limit block (12) is slidably connected at an internal position of the first support frame (2) or the second support frame (201).

5. A shock-absorbing frame according to claim 4, characterized in that: A plurality of anti-wear pulleys (13) are rotatably connected inside the sliding block (6); the side walls of the anti-wear pulleys (13) are in contact with the side walls of the first support frame (2) or the second support frame (201).

6. A shock-absorbing frame according to claim 5, characterized in that: A supporting sleeper (14) is fixedly connected to the bottom of the supporting rod (5); the supporting sleeper (14) and the supporting rod (5) are arranged concentrically.

7. A shock-absorbing frame according to claim 6, characterized in that: A positioning block (15) is fixedly connected to the side wall of the adjusting screw rod (8); the positioning block (15) is rotatably connected to an inner position of the first support frame (2) or the second support frame (201).

8. A shock-absorbing frame according to claim 7, characterized in that: A plurality of balls (16) are provided between the first support frame (2) or the second support frame (201) and the positioning block (15); and the side walls of the balls (16) are in contact with the side walls of the first support frame (2) or the second support frame (201).

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