CN216913093U - Vibration system of magnetorheological damper machine tool - Google Patents

Abstract

The application proposes a vibration system of a magnetorheological damper machine tool, which relates to the technical field of shock absorption of machine tools. It includes a machine tool body and a damper. A mounting plate is fixed on the machine tool body. A chute is provided on the mounting plate. One end of the chute is open. For the fixed connection, the above-mentioned mounting plate is provided with a limiting member, and the above-mentioned limiting member is used to limit the position of the slider in the chute, and the present application has the effect of improving the damping effect of the damping shock absorber.

Description

A magnetorheological damper machine tool vibration system

technical field

The utility model relates to the technical field of shock absorption of machine tools, in particular to a vibration system of a machine tool with a magnetorheological damper.

Background technique

When using the machine tool for machining, the machine tool will generate a certain amount of vibration, which has a certain impact on the processing quality of the product. Therefore, in the machining process with high precision, it is usually necessary to apply a shock absorber to the machine tool itself. vibration, thereby improving the precision of machining.

In the selection of shock absorbers for machine tools, damping shock absorbers have been used more and more because of their excellent shock absorption effect. In the traditional installation process of damping shock absorbers, in order to facilitate the disassembly and assembly of damping shock absorbers , Usually the damping shock absorber is installed on the machine tool through bolts. During the use of the machine tool, the bolts will loosen under the action of the machine tool vibration, resulting in a large gap between the damping shock absorber and the machine tool, resulting in The damping effect of the damping shock absorbers is reduced.

Utility model content

In order to improve the shock absorption effect of the damping shock absorber, the present application provides a vibration system of a magnetorheological damper machine tool.

A magnetorheological damper machine tool vibration system provided by the application adopts the following technical solutions:

A magnetorheological damper machine tool vibration system, comprising a machine tool body and a damper, the machine tool body is fixedly provided with a mounting plate, the mounting plate is provided with a chute, one end of the chute is open, and the chute slides in the chute A sliding block is provided, the sliding block is fixedly connected with the damper, a limiting member is arranged on the mounting plate, and the limiting member is used to limit the position of the sliding block in the chute.

By adopting the above technical solution, when the damper is installed, the slider is slid into the chute, and then the slider is driven to move toward the chute, and then the position of the slider in the chute can be adjusted by the limiter It is limited to complete the installation of the damper. During the subsequent operation of the machine tool, even under the vibration of the machine tool, the slider still abuts against the inner wall of the chute, thereby reducing the distance between the damper and the machine tool to a certain extent. There is a large gap, which ensures that the damper always has a good shock absorption effect during the operation of the machine tool, and when the damper needs to be removed from the mounting plate, it is only necessary to release the limiter for the slider The position is limited, the operation is convenient, and the work efficiency of the staff is improved.

Optionally, the limiting member is set as a limiting pin, a mounting hole is opened on the side wall of the sliding block, the limiting pin is slidably penetrated in the mounting hole, and the side wall of the sliding slot is provided with a limiting hole. In the limiting hole into which the pin is inserted, the sliding block is provided with a driving member, and the driving member is used to drive the limiting pin to move along the mounting hole.

By adopting the above technical solution, when the position of the slider in the chute needs to be limited, the slider is first driven to move in the chute, and with the movement of the slider, after the installation hole coincides with the limit hole, that is, The limit pin can be driven to move away from the installation hole by the driving member, so that the limit pin can be inserted into the limit hole. At this time, the front end of the limit pin is located in the limit hole, and the rear end is located in the installation hole, so as to complete the sliding movement. The position of the block is limited, the position of the slider is limited by the limit pin, the structure is simple, the operation is convenient, and the efficiency of the installation and removal of the damper is effectively improved.

Optionally, the driving member is configured as a paddle, the top of the slider is provided with a bar-shaped hole, the bar-shaped hole communicates with the installation hole, and the paddle is slidably arranged in the bar-shaped hole and is fixedly connected with the limit pin.

By adopting the above technical solution, when the limit pin needs to be driven to move, the limit pin can be driven to move by turning the paddle, which facilitates the operation of the staff.

Optionally, the above-mentioned picks are provided with anti-skid patterns.

By adopting the above technical solution, the friction between the staff's hand and the paddle is improved by the anti-skid pattern during the process of the staff plucking the paddle, thereby facilitating the staff to drive the paddle to move.

Optionally, the slider is provided with a first elastic member, and the first elastic member is used to drive the limiting pin to move in a direction away from the installation hole.

By adopting the above technical solution, as the slider moves in the chute, after the limit hole coincides with the installation hole, the limit pin moves in the direction away from the installation hole under the action of the first elastic member, and then inserts the limit In this way, the position limit of the slider is automatically completed, and in the subsequent working process of the machine tool, the limit pin always has a tendency to move toward the limit hole under the action of the first elastic member, which can effectively avoid the limit The pin is separated from the limit hole due to the vibration of the machine tool, which improves the reliability of the damper during installation and use.

Optionally, an end of the limiting pin away from the mounting hole is provided with an inclined surface, and the inclined surface is disposed toward the opening of the chute.

By adopting the above technical solution, during the installation process of the damper, when the slider is slid into the chute, along with the movement of the slider, the slider drives the limit pin to move. The notch abuts, and the limit pin is pressed into the installation hole. With the movement of the limit pin, the first elastic member is squeezed to generate elastic potential energy. When the limit hole coincides with the installation hole, the limit pin is It is inserted into the limit hole under the action of the first elastic member, and the installation of the damper is facilitated by the setting of the inclined plane, that is, when the slider slides into the chute, there is no need for the staff to move the paddle to drive the limiter. The position pin moves toward the installation hole, which simplifies the work steps of the staff and improves the installation efficiency.

Optionally, an abutment plate is slidably arranged in the chute along the length direction of the chute, the abutment plate is used to abut the side wall of the slider away from the opening of the chute, and a second elastic member is provided on the mounting plate. , the above-mentioned second elastic member is used to drive the abutting plate to move toward the opening of the chute.

By adopting the above technical solution, after the installation of the slider, the second elastic member is compressed under the action of the abutment plate, so that the slider acts on the slider through the abutment plate, so that the slider has a notch movement toward the chute At this time, the straight wall of the limit pin is in contact with the hole wall of the limit hole, thereby limiting the position of the slider. At this time, the position of the slider is double-limited by the second elastic member and the limit pin, thereby The stability of the position of the slider in the chute is improved, thereby reducing the gap between the damper and the mounting plate during the use of the machine tool, thereby further improving the damping effect of the damper.

Optionally, a buffer pad is fixedly disposed on the side wall of the abutting plate close to the slider.

By adopting the above technical solution, during the installation process of the slider, the slider first abuts against the buffer pad, and with the movement of the slider, the abutting plate is further driven to squeeze the second elastic member, so that the second elastic member stores elastic potential energy , in the subsequent working process of the machine tool, the buffer pad plays a certain protective role between the abutting plate and the slider, and improves the service life of the device.

Optionally, the chute is configured as a T-shaped groove, and the sliding block is configured as a T-shaped block adapted to the chute.

By adopting the above technical solution, in the working process of the machine tool, since the sliding groove is set as a T-shaped groove, the position of the sliding block is restricted to a certain extent in the vertical direction, and the position of the sliding block in the sliding groove is improved to a certain extent. The stability of the machine tool further reduces the gap between the damper and the mounting plate during the working process of the machine tool, thereby further improving the shock absorption effect of the damper.

Optionally, the above-mentioned sliding block is provided with balls that are in rolling contact with the inner wall of the chute.

By adopting the above technical solution, in the process of installing the slider, the sliding friction between the slider and the inner wall of the chute is changed into rolling friction by the balls, thereby reducing the friction coefficient between the slider and the inner wall of the chute, thereby reducing the The wear between the sliding block and the inner wall of the chute during the movement process is avoided, and the service life of the whole device is improved.

To sum up, the present application includes at least one of the following beneficial technical effects:

1. The damper is installed by sliding the slider onto the mounting plate, thereby reducing the gap between the damper and the mounting plate during the working process of the machine tool, and improving the damping effect of the damper;

2. The position of the slider in the chute is limited by the limit pin, the structure is simple and the cost is low, and the limit pin always has a tendency to move toward the limit hole through the first elastic member, so that to a certain extent It avoids that the limit pin is separated from the limit hole due to the vibration of the machine tool, and improves the safety of the device in use;

3. After the installation of the slider is completed, the elastic force of the second elastic member acts on the slider through the abutment plate, and the position of the slider in the chute is further limited by the abutment plate and the limit pin, and the position of the slider in the chute is further limited. The gap between the damper and the mounting plate during the working process of the machine tool is reduced, thereby further improving the damping effect of the damper;

4. When the slider slides in the chute, the friction between the slider and the inner wall of the chute is reduced by the balls, which facilitates the sliding of the slider and reduces the friction between the slider and the chute. wear and tear, increasing the service life of the device.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings that need to be used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention. Therefore, it should not be regarded as a limitation of the scope. For those of ordinary skill in the art, other related drawings can also be obtained from these drawings without any creative effort.

1 is a schematic diagram of the overall structure of an embodiment of the application;

2 is a schematic structural diagram of a mounting plate according to an embodiment of the present application;

3 is a cross-sectional view of a mounting plate according to an embodiment of the present application;

Fig. 4 is the enlarged view of A part in Fig. 3;

FIG. 5 is a cross-sectional view of a chute according to an embodiment of the present application.

Icons: 1. Machine body; 11. Mounting plate; 12. Enclosure; 2. Damper; 3. Chute; 31. Slider; 4. Limiting piece; 41. Mounting hole; 42. Limiting hole; 43 5. The first elastic part; 44, the inclined plane; 5, the driving part; 51, the strip hole; 52, the anti-skid pattern;

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present utility model. The embodiments described above are a part of the embodiments of the present invention, but not all of the embodiments. The components of the embodiments of the invention generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations.

Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

In the description of the embodiments of the present utility model, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside" appear The orientation or positional relationship indicated by , "outside" etc. is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the utility model product is usually placed in use, only for the convenience of describing the present utility model and simplifying the It is described, rather than indicated or implied, that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first", "second", "third", etc. are only used to differentiate the description and should not be construed to indicate or imply relative importance.

Furthermore, the appearance of the terms "horizontal", "vertical", "overhanging" etc. does not imply that the component is required to be absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" only means that its direction is more horizontal than "vertical", it does not mean that the structure must be completely horizontal, but can be slightly inclined.

In the description of the embodiments of the present invention, "a plurality of" means at least two.

In the description of the embodiments of the present utility model, it should also be noted that, unless otherwise expressly specified and limited, the terms "set", "installed", "connected" and "connected" should be understood in a broad sense, for example, It can be a fixed connection, a detachable connection, or an integral connection; a mechanical connection or an electrical connection; a direct connection, an indirect connection through an intermediate medium, or an internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

The present application will be further described in detail below in conjunction with accompanying drawings 1-5.

The embodiment of the present application discloses a vibration system of a magnetorheological damper machine tool.

1, a magnetorheological damper 2 machine tool vibration system includes a machine tool body 1 and a damper 2, a mounting plate 11 is welded and fixed on both sides of the machine tool body 1, and a surrounding plate 12 is welded and fixed on the top of the mounting plate 11, The damper 2 is installed on the top of the mounting plate 11, and the enclosure plate 12 can not only protect the damper 2 to a certain extent, but also can block the flying chips generated during the working of the machine tool to a certain extent, which improves the performance of the machine tool. Protection of staff.

1 and 2 , the top of the mounting plate 11 is provided with a chute 3 along the length direction of the mounting plate 11 . A sliding block 31 is installed in a direction sliding, and the damper 2 is fixedly installed on the top of the sliding block 31 .

As an embodiment of the present application, referring to FIG. 2 , the chute 3 is set as a T-shaped groove, and the sliding block 31 is set as a T-shaped block adapted to the chute 3 . During the use of the machine tool, it can effectively prevent the The sliding block 31 is separated from the chute 3 , thereby improving the stability of the sliding block 31 in the chute 3 , thereby reducing the vibration gap between the damper 2 and the mounting plate 11 , and improving the damping effect of the damper 2 .

As another embodiment of the present application, the chute 3 can also be set as a dovetail slot, and the slider 31 is set as a dovetail block adapted to the chute 3 , which can also prevent the slider 31 from detaching from the chute 3 . The specific selection method is selected by the manufacturer according to different customization requirements.

Referring to FIGS. 3 and 4 , a limiting member 4 is provided on the mounting plate 11 , the limiting member 4 is used to limit the position of the slider 31 in the chute 3 , and the limiting member 4 is set as a limiting pin. The side wall of the slider 31 is provided with a mounting hole 41, and the limit pin is slidably installed in the mounting hole 41. The size of the limit pin is adapted to the size of the mounting hole 41, and the side wall of the chute 3 is provided with a supply limit The limit hole 42 into which the position pin is inserted, the size of the limit hole 42 is adapted to the size of the installation hole 41 .

When it is necessary to limit the position of the slider 31 in the chute 3, the slider 31 is first driven to move in the chute 3. With the movement of the slider 31, after the installation hole 41 and the limit hole 42 overlap, The limit pin can be driven to move in the direction away from the installation hole 41, and then the limit pin is inserted into the limit hole 42. At this time, the front end of the limit pin is located in the limit hole 42, and the rear end is located in the installation hole 41, thus completing the The position of the sliding block 31 is limited by a limit pin, which has a simple structure and convenient operation, and effectively improves the installation and removal efficiency of the damper 2 .

Referring to FIG. 4 , the slider 31 is provided with a driving member 5 , the driving member 5 is used to drive the limit pin to move along the mounting hole 41 , and the driving member 5 is configured as a paddle. The top of the slider 31 is provided with a bar-shaped hole 51, the bar-shaped hole 51 communicates with the mounting hole 41, and the paddle is slidably arranged in the bar-shaped hole 51 and is fixedly connected with the limit pin. When the limit pin needs to be driven to move, the limit pin can be driven to move by turning the paddle, which is convenient for the staff to operate.

Referring to FIG. 4 , the paddle is provided with an anti-slip pattern 52 . During the process of the staff plucking the paddles, the frictional force between the staff's hands and the paddles is improved by the anti-skid patterns 52, thereby facilitating the staff to drive the paddles to move.

Referring to FIG. 4 , the slider 31 is provided with a first elastic member 43 , and the first elastic member 43 is used to drive the limiting pin to move in a direction away from the installation hole 41 . The first elastic member 43 is configured as a compression spring, one end of the compression spring is welded and fixed to the inner wall of the installation hole 41 , and the other end is welded and fixed to the tail of the limit pin.

As the slider 31 moves in the chute 3, after the limit hole 42 coincides with the installation hole 41, the limit pin moves in a direction away from the installation hole 41 under the action of the first elastic member 43, and then is inserted into the limiter hole 42, thereby automatically completing the limitation of the position of the slider 31, and in the subsequent working process of the machine tool, the limit pin always has a tendency to move toward the limit hole 42 under the action of the first elastic member 43, which can effectively Therefore, it is avoided that the limit pin is separated from the limit hole 42 due to the vibration of the machine tool, and the reliability of the damper 2 during installation and use is improved.

Referring to FIG. 4 , one end of the limiting pin away from the mounting hole 41 is provided with an inclined surface 44 , and the inclined surface 44 is disposed toward the opening of the chute 3 . During the installation of the damper 2 , when the slider 31 is slid into the chute 3 , the slider 31 drives the limit pin to move along with the movement of the slider 31 . Abutting the notch, the limit pin is pressed into the mounting hole 41 , with the movement of the limit pin, the first elastic member 43 is squeezed to generate elastic potential energy, when the limit hole 42 and the installation hole 41 overlap , the limit pin is inserted into the limit hole 42 under the action of the first elastic member 43 , and the installation of the damper 2 is facilitated by the setting of the inclined surface 44 , that is, in the process of sliding the slider 31 into the chute 3 At the time of operation, it is not necessary for the staff to move the paddle to drive the limit pin to move toward the installation hole 41 , thereby simplifying the work steps of the staff and improving the installation efficiency.

Referring to FIG. 5 , an abutment plate 6 is slidably disposed in the chute 3 along the longitudinal direction of the chute 3 , and the abutment plate 6 is used to abut the side wall of the slider 31 away from the opening of the chute 3 .

5, the mounting plate 11 is provided with a second elastic member 61, the second elastic member 61 is used to drive the abutment plate 6 to move toward the opening of the chute 3, the second elastic member 61 is configured as a compression spring, one end of the compression spring It is welded and fixed with the inner wall of the chute 3 , and the other end is welded and fixed with the side wall of the abutting plate 6 away from the opening of the chute 3 .

After the installation of the sliding block 31 is completed, the second elastic member 61 is compressed under the action of the abutting plate 6 , so that the sliding block 31 acts on the sliding block 31 through the abutting plate 6 , so that the sliding block 31 has a notch facing the sliding groove 3 At this time, the straight wall of the limit pin is in contact with the hole wall of the limit hole 42, thereby limiting the position of the slider 31. At this time, the position of the slider 31 is determined by the second elastic member 61 and the limit pin. Double limitation is carried out, thereby improving the stability of the position of the slider 31 in the chute 3, thereby reducing the gap between the damper 2 and the mounting plate 11 during the use of the machine tool, thereby further improving the damper 2 shock absorption effect.

Referring to FIG. 5 , a buffer pad 7 is fixed on the side wall of the abutting plate 6 close to the slider 31 , and the buffer pad 7 is made of a soft polymer material with good elastic potential energy such as sponge or rubber. During the installation process of the slider 31 , the slider 31 first abuts against the buffer pad 7 , and with the movement of the slider 31 , the abutment plate 6 is further driven to squeeze the second elastic member 61 , so that the second elastic member 61 stores elasticity The potential energy plays a certain protective role between the abutting plate 6 and the sliding block 31 through the buffer pad 7 in the subsequent working process of the machine tool, thereby improving the service life of the device.

Referring to FIG. 5 , the bottom of the slider 31 is embedded with balls 8 that are in rolling contact with the inner wall of the chute 3 . During the process of installing the slider 31, the sliding friction between the slider 31 and the inner wall of the chute 3 is changed into rolling friction through the balls 8, thereby reducing the friction coefficient between the slider 31 and the inner wall of the chute 3, thereby reducing the The wear between the sliding block 31 and the inner wall of the chute 3 during the movement process is avoided, and the service life of the whole device is improved.

The implementation principle of a magnetorheological damper 2 machine tool vibration system in the embodiment of the present application is:

When installing the damper 2 , slide the slider 31 into the chute 3 , then drive the slider 31 to move toward the chute 3 , and then pass the limiter 4 to keep the slider 31 in the chute 3 . In order to complete the installation of the damper 2, in the subsequent working process of the machine tool, even under the vibration of the machine tool, the sliding block 31 still abuts against the inner wall of the chute 3, thereby reducing the damping to a certain extent. There is a large gap between the damper 2 and the machine tool, thereby ensuring that the damper 2 always has a good shock absorption effect during the operation of the machine tool, and when the damper 2 needs to be removed from the mounting plate 11, It is only necessary to release the restriction on the position of the sliding block 31 by the limiting member 4, and the operation is convenient and the work efficiency of the staff is improved.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (10)

1. A magnetorheological damper machine tool vibration system is characterized in that: including lathe body and attenuator, the fixed mounting panel that is provided with on the lathe body, the spout has been seted up on the mounting panel, the one end opening setting of spout, it is provided with the slider to slide in the spout, slider and attenuator fixed connection, be provided with the locating part on the mounting panel, the locating part is used for injecing the position of slider in the spout.

2. The magnetorheological damper machine tool vibration system of claim 1, wherein: the locating part sets up to the spacer pin, the mounting hole has been seted up on the lateral wall of slider, the spacer pin slides and wears to establish in the mounting hole, set up on the lateral wall of spout and supply spacer pin male spacing hole, be provided with the driving piece on the slider, the driving piece is used for driving the spacer pin and moves along the mounting hole.

3. The magnetorheological damper machine tool vibration system of claim 2, wherein: the driving piece is arranged as a shifting piece, a strip-shaped hole is formed in the top of the sliding block and communicated with the mounting hole, and the shifting piece is arranged in the strip-shaped hole in a sliding mode and fixedly connected with the limiting pin.

4. The magnetorheological damper machine tool vibration system of claim 3, wherein: the plectrum is provided with anti-skidding line.

5. The magnetorheological damper machine tool vibration system of claim 2, wherein: the slider is provided with a first elastic piece, and the first elastic piece is used for driving the limiting pin to move towards the direction far away from the mounting hole.

6. The magnetorheological damper machine tool vibration system of claim 5, wherein: the one end that the mounting hole was kept away from to the spacer pin is provided with the inclined plane, the inclined plane sets up towards the opening of spout.

7. The magnetorheological damper machine tool vibration system according to any one of claims 1 to 6, wherein: the length direction slip of following the spout in the spout is provided with the butt board, the butt board is used for keeping away from spout open-ended lateral wall butt with the slider, be provided with the second elastic component on the mounting panel, the second elastic component is used for ordering about the opening motion of butt board towards the spout.

8. The magnetorheological damper machine tool vibration system of claim 7, wherein: and a buffer pad is fixedly arranged on the side wall of the abutting plate close to the sliding block.

9. The magnetorheological damper machine tool vibration system of claim 1, wherein: the sliding groove is a T-shaped groove, and the sliding block is a T-shaped block matched with the sliding groove.

10. The magnetorheological damper machine tool vibration system of claim 1, wherein: and the sliding block is provided with a ball which is in rolling contact with the inner wall of the sliding groove.

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