CN220944583U - Grinding device for guide rail surface of numerical control machine tool body - Google Patents

Abstract

The utility model relates to the technical field of numerical control machine tools and discloses a grinding device for guide rail surfaces of a numerical control machine tool body. This digit control machine tool lathe bed guide surface grinding device includes: the base, pneumatic spring is installed to the inside interlude of base, and pneumatic spring's terminal fixed mounting has the limiting plate, the top fixed mounting of base has adjusting piston, and adjusting piston's top fixed mounting has the slide board, the below fixed mounting of slide board has the piece of accepting, and fixedly mounting has the gag lever post on accepting the rear side facade of piece, through pneumatic spring's setting, through the pneumatic spring of installing in the both sides of base spout structure, when the guide rail is placed between the limiting plate, the guide rail can extrude pneumatic spring through the limiting plate, makes pneumatic spring take place to shrink, and pneumatic spring can make the limiting plate clamp the guide rail to the reaction force of limiting plate to the guide rail of different width of adaptation.

Description

Grinding device for guide rail surface of numerical control machine tool body

Technical Field

The utility model relates to the technical field of numerical control machine tools, in particular to a grinding device for a guide rail surface of a numerical control machine tool body.

Background

The guide rail is one of important parts of the numerical control machine, and is used for supporting and guiding. In the guide rail pair, the moving guide rail, the stationary support guide rail and the moving form usually have linear movement and rotary movement, the machining precision, bearing capacity and service life of the machine tool determine the precision and performance of the guide rail of the machine tool to a great extent, and the numerical control machine tool has higher requirements on the guide rail, such as no vibration during high-speed feeding, no crawling during low-speed feeding, high sensitivity, long-term continuous working under heavy load, good wear resistance and good precision retention. At present, the guide rail form on the numerical control machine mainly comprises a sliding guide rail, a rolling guide rail, a hydrostatic guide rail and the like.

The existing references are: CN215967981U, which discloses a rail grinding device, includes: the grinding device comprises a base station and a grinding mechanism, wherein the base station is used for placing a fixed guide rail; the grinding mechanism comprises a grinding wheel and a driving piece; the driving piece is used for driving the grinding wheel to rotate; the grinding wheel can move along the length direction of the guide rail; the side surfaces of the grinding wheel form grinding surfaces for grinding the rail shaft in the rail. The utility model can grind the guide rail shaft of the guide rail, improves the precision of the guide rail and expands the application field.

The guide rail model is different, and the height and the width of guide rail all have certain difference, and the guide rail of current grinding device unable better adaptation different models to because need urge between grinding cutter and the guide rail grinding face at certain relative pressure, the cutter just can grind the grinding face when rotatory, because guide rail length is longer, cutter or guide rail itself need remove when carrying out the grinding, in the removal in-process, the relative position between cutter and the guide rail grinding face can change, can lead to the condition such as jump sword to take place, and influence the grinding effect of guide rail grinding face.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a grinding device for the guide rail surface of a numerical control machine tool body, which has the advantages of being capable of adapting to guide rails with different heights and widths, reducing the probability of changing the relative vertical position between a tool and a grinding surface in the grinding process, and the like, and solves the technical problems.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions:

A numerical control machine tool body guide surface grinding device, comprising: the pneumatic device comprises a base, wherein a pneumatic spring is fixedly installed in the base in a penetrating manner, a limit plate is fixedly installed at the tail end of the pneumatic spring, an adjusting piston is fixedly installed above the base, a slideway plate is fixedly installed above the adjusting piston, a bearing block is fixedly installed below the slideway plate, a limit rod is fixedly installed on the rear side elevation of the bearing block, a shaftless cylinder is fixedly installed in the center of the rear side elevation of the bearing block, a sliding block is installed in the shaftless cylinder in a penetrating manner, a reinforcing plate is vertically and fixedly installed in the inside of the limit rod, a connecting frame is fixedly installed below the sliding block, a bearing is installed in the inside of the connecting frame in a penetrating manner, a rotating shaft is installed in the inside of the bearing in a penetrating manner, a grinding roller is installed in the center of the rotating shaft in a penetrating manner, a fixing bolt is installed below the connecting frame in a penetrating manner, a transfer shaft is fixedly installed at the left end of the rotating shaft, a driving belt is installed in a penetrating manner on the transfer shaft, a connecting shaft is installed in the upper end of the driving belt in a penetrating manner, a motor is installed in the right side of the connecting shaft in a penetrating manner, and a limit frame is fixedly installed above the sliding block; the shaftless cylinder can be convenient for driving the grinding roller to move.

As the preferable technical scheme of the utility model, the center of the top surface of the base is provided with a chute structure, and the pneumatic springs are symmetrically arranged at the front end and the rear end of the vertical surfaces at the left side and the right side of the chute structure of the base by taking the center of the base as a reference; the pneumatic spring can clamp the guide rail through the limiting plate.

As a preferable technical scheme of the utility model, the adjusting piston is symmetrically arranged at the front end and the rear end of the top surface of the base and at one half of the top surface of the base by taking the center of the base as a reference, and the bottom surface of the slideway plate is provided with a slideway structure which is embedded with the limiting frame; the adjusting piston can change the vertical position of the slideway plate.

As the preferable technical scheme of the utility model, the bearing blocks are symmetrically arranged at the front and rear ends of the bottom surface center of the slideway plate by taking the center of the slideway plate as a reference, the limiting rods are symmetrically arranged on the rear side vertical surfaces of the bearing blocks by taking the center of the bearing blocks as a reference, the limiting rods are connected with the bearing blocks at the front and rear sides of the slideway plate, and the limiting rods penetrate through the sliding blocks and form sliding connection with the limiting rods; the limiting rod can limit the movement direction of the sliding block.

As a preferable technical scheme of the utility model, the connecting frame is symmetrically arranged on the bottom surface of the sliding block by taking the center of the sliding block as a reference, and the connecting frame is fixedly connected with the sliding block through a fixing bolt; the fixing bolt can enable the connecting frame and the sliding block to form a fixed state.

As a preferable technical scheme of the utility model, the rotating shaft is in rotating connection with the connecting frame through a bearing, and the rotating shaft is in rotating connection with the motor through a switching shaft, a transmission belt, a connecting shaft; the motor can drive the rotating shaft to rotate.

As a preferable technical scheme of the utility model, the bottom surface of the motor is fixedly connected with the top surface of the sliding block, the limiting frame is symmetrically arranged on the top surface of the sliding block by taking the center of the sliding block as a reference, the top end of the limiting frame is embedded and arranged in a chute structure on the bottom surface of the slideway plate, and the limiting frame and the slideway plate form sliding connection; the limiting frame can limit the movement direction of the sliding block.

Compared with the prior art, the utility model provides the grinding device for the guide rail surface of the numerically-controlled machine tool body, which has the following beneficial effects:

1. According to the utility model, through the arrangement of the pneumatic springs, when the guide rail is placed between the limiting plates through the pneumatic springs arranged on the two sides of the base chute structure, the guide rail can extrude the pneumatic springs through the limiting plates, so that the pneumatic springs shrink, the reaction force of the pneumatic springs to the limiting plates can enable the limiting plates to clamp the guide rail so as to adapt to the guide rail with different widths, and through the arrangement of the adjusting piston, the adjusting piston can change the distance between the slide rail plate and the base by controlling the self elongation so as to adapt to the guide rail with different heights.

2. According to the utility model, the guide rail is fixed above the base through the pneumatic spring and the limiting plate, so that the relative position between the guide rail and the base cannot be changed, the adjusting piston is arranged at the front end, the rear end and one half of the top surface of the base, a relatively uniform stress state is formed between the adjusting piston and the slideway plate, the middle part of the slideway plate is prevented from being bent under the action of gravity, the rigidity of the limiting rod can be increased through the vertical installation of the reinforcing plate in the limiting rod, and the shaftless cylinder can drive the grinding roller to move in the horizontal direction in such a way, so that the probability of changing the vertical distance between the grinding roller and the grinding surface of the knife surface under the action of gravity is reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the connection structure of the chute board and the base of the utility model;

FIG. 3 is a schematic view of the connection structure of the bearing block and shaftless cylinder of the present utility model;

FIG. 4 is a schematic view of a cross-sectional structure of a stop lever according to the present utility model;

FIG. 5 is a schematic view of the mounting structure of the connecting frame and the slider of the present utility model;

Wherein: 1. a base; 11. a pneumatic spring; 12. a limiting plate; 13. an adjusting piston; 14. a slideway plate; 2. a receiving block; 21. a limit rod; 22. a shaftless cylinder; 23. a slide block; 24. a reinforcing plate; 3. a connecting frame; 31. a bearing; 32. a rotating shaft; 33. grinding rollers; 34. a fixing bolt; 35. a transfer shaft; 36. a transmission belt; 37. a connecting shaft; 38. a motor; 39. and a limiting frame.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 5, in the present embodiment, a grinding device for a guide surface of a bed of a numerical control machine tool includes: the base 1, the inside of base 1 alternates and installs pneumatic spring 11, and the terminal fixed mounting of pneumatic spring 11 has limiting plate 12, the top fixed mounting of base 1 has adjusting piston 13, and the top fixed mounting of adjusting piston 13 has slide board 14.

The center of the top surface of the base 1 is provided with a chute structure, and the pneumatic springs 11 are symmetrically arranged at the front end and the rear end of the vertical surfaces at the left side and the right side of the chute structure of the base 1 by taking the center of the base 1 as a reference.

The adjusting piston 13 is symmetrically arranged at the front and rear ends of the top surface of the base 1 and one half of the top surface of the base 1 with the center of the base 1 as a reference, and the bottom surface of the slideway plate 14 is provided with a slideway structure which is embedded with the limiting frame 39.

The lower part of the slideway plate 14 is fixedly provided with a bearing block 2, the rear side elevation of the bearing block 2 is fixedly provided with a limiting rod 21, the center of the rear side elevation of the bearing block 2 is fixedly provided with a shaftless cylinder 22, the shaftless cylinder 22 is provided with a sliding block 23 in a penetrating way, and the inside of the limiting rod 21 is vertically and fixedly provided with a reinforcing plate 24.

The bearing blocks 2 are symmetrically arranged at the front end and the rear end of the bottom surface center of the slideway plate 14 by taking the center of the slideway plate 14 as a reference, the limiting rods 21 are symmetrically arranged on the rear side vertical surface of the bearing blocks 2 by taking the center of the bearing blocks 2 as a reference, the limiting rods 21 are connected with the bearing blocks 2 at the front side and the rear side of the slideway plate 14, the limiting rods 21 penetrate through the sliding blocks 23, and sliding connection is formed between the sliding blocks 23 and the limiting rods 21.

Specifically, the base 1 can play a supporting role on the adjusting piston 13, the pneumatic spring 11 can fix the relative position between the guide rail and the base 1 through the limiting plate 12, the adjusting piston 13 can change the distance between the slideway plate 14 and the base 1 through controlling the self elongation, the bearing block 2 can enable the sliding block 23 and the slideway plate 14 to form a sliding connection state through the limiting rod 21, the limiting rod 21 can limit the movement direction of the sliding block 23, the shaftless cylinder 22 can drive the sliding block 23 to move, and the reinforcing plate 24 can prevent the central part of the limiting rod 21 from bending under the action of gravity.

The lower part of the sliding block 23 is fixedly provided with a connecting frame 3, the inside of the connecting frame 3 is embedded with a bearing 31, the inside of the bearing 31 is penetrated with a rotating shaft 32, the center of the rotating shaft 32 is penetrated with a grinding roller 33, the lower part of the connecting frame 3 is penetrated with a fixing bolt 34, the left end of the rotating shaft 32 is fixedly provided with a switching shaft 35, the switching shaft 35 is embedded with a driving belt 36, the upper end of the driving belt 36 is penetrated with a connecting shaft 37, the right side of the connecting shaft 37 is penetrated with a motor 38, and the upper part of the sliding block 23 is fixedly provided with a limiting frame 39.

The connecting frame 3 is symmetrically arranged on the bottom surface of the sliding block 23 by taking the center of the sliding block 23 as a reference, and the connecting frame 3 and the sliding block 23 form fixed connection through a fixed bolt 34.

The rotating shaft 32 is rotatably connected with the connecting frame 3 through a bearing 31, and the rotating shaft 32 is rotatably connected with the motor 38 through a switching shaft 35, a transmission belt 36, a connecting shaft 37.

The bottom surface of the motor 38 is fixedly connected with the top surface of the sliding block 23, the limiting frame 39 is symmetrically arranged on the top surface of the sliding block 23 by taking the center of the sliding block 23 as a reference, the top end of the limiting frame 39 is embedded and arranged in a chute structure on the bottom surface of the slideway plate 14, and the limiting frame 39 and the slideway plate 14 form sliding connection.

Specifically, the connecting frame 3 can limit the position of the rotating shaft 32 through the bearing 31, the bearing 31 can form rotational connection between the rotating shaft 32 and the connecting frame 3, the grinding roller 33 can grind the guide rail, the fixing bolt 34 can fix the connecting frame 3 on the bottom surface of the sliding block 23, the switching shaft 35, the transmission belt 36 and the connecting shaft 37 can form rotational connection between the rotating shaft 32 and the motor 38, the motor 38 can drive the grinding roller 33 to rotate through the rotating shaft 32, and the limiting frame 39 can limit the movement direction of the sliding block 23 through the slideway plate 14.

When in use, firstly, the adjusting piston 13 needs to reach the elongation limit, then the guide rail needs to be placed between the limiting plates 12, the distance between the limiting plates 12 is increased due to the guide rail, the limiting plates 12 and the base 1 squeeze the pneumatic spring 11, the pneumatic spring 11 is contracted, the relative position between the guide rail and the base 1 is fixed by the reaction force applied to the limiting plates 12 by the pneumatic spring 11 during contraction, then the elongation of the adjusting piston 13 is adjusted, the adjusting piston 13 drives the grinding roller 33 to move downwards through the slideway plate 14, the lower end of the grinding roller 33 is contacted with the guide rail, then the motor 38 is started, the motor 38 can drive the rotating shaft 32 to rotate through the connecting shaft 37, the driving belt 36 and the switching shaft 35, the grinding roller 33 which is inserted and fixed on the rotating shaft 32 rotates, after the grinding roller 33 is controlled to move downwards by the adjusting piston 13, after the grinding roller 33 reaches a proper height, the air inflow on two sides of the shaftless cylinder 22 is controlled to enable the sliding block 23 to drive the grinding roller 33 to move through the connecting frame 3, the grinding roller 33 can move from one end of the base 1 to the other end under the driving of the sliding block 23 so as to finish grinding operation, and as the limiting frame 39 at the top end of the sliding block 23 is in sliding connection with the slideway plate 14 in a jogged mode, the limiting frame 39 can apply upward pulling force to the sliding block 23 while limiting the movement of the sliding block 23, and the reinforcing plate 24 vertically arranged inside the limiting rod 21 can increase the rigidity of the limiting rod 21 so as to prevent the sliding block 23 from bending the limiting rod 21 under the action of gravity when the sliding block 23 moves to the central area of the base 1, so that the flatness of the grinding surface of the guide rail is ensured.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A numerical control machine tool body guide surface grinding device, comprising:

The base (1), pneumatic spring (11) is installed in the inside interlude of base (1), and terminal fixed mounting of pneumatic spring (11) has limiting plate (12), the top fixed mounting of base (1) has adjusting piston (13), and the top fixed mounting of adjusting piston (13) has slide plate (14), the below fixed mounting of slide plate (14) has joint block (2), and installs gag lever post (21) on the rear side facade of joint block (2) in the fixed mounting, there is shaftless cylinder (22) in the rear side facade center of joint block (2) in the fixed mounting, and installs slider (23) in the shaftless cylinder (22) in the interlude, characterized in that, the inside vertical fixed mounting of gag lever post (21) has reinforcing plate (24), the below fixed mounting of slider (23) has link (3), and the inside gomphosis of link (3) has bearing (31), the inside interlude of bearing (31) is installed axis of rotation (32), and the center of rotation (32) is installed in the interlude, and is installed grinding roller (22) in the fixed mounting of lower side of link (3) and is installed on the rotation axis (35) of rotation (35), the upper end of the driving belt (36) is provided with a connecting shaft (37) in a penetrating way, the right side of the connecting shaft (37) is provided with a motor (38) in a penetrating way, and a limiting frame (39) is fixedly arranged above the sliding block (23).

2. The grinding device for guide surfaces of a bed of a numerical control machine tool according to claim 1, wherein:

The pneumatic spring (11) is symmetrically arranged at the front end and the rear end of the vertical surfaces at the left side and the right side of the sliding groove structure of the base (1) by taking the center of the base (1) as a reference.

3. The grinding device for guide surfaces of a bed of a numerical control machine tool according to claim 1, wherein:

The adjusting piston (13) is symmetrically arranged at the front end and the rear end of the top surface of the base (1) and at one half of the top surface of the base (1) by taking the center of the base (1) as a reference, and a chute structure embedded with the limiting frame (39) is arranged on the bottom surface of the chute plate (14).

4. The grinding device for guide surfaces of a bed of a numerical control machine tool according to claim 1, wherein:

The bearing blocks (2) are symmetrically arranged at the front end and the rear end of the center of the bottom surface of the slideway plate (14) by taking the center of the slideway plate (14) as a reference, the limiting rods (21) are symmetrically arranged on the rear side vertical surface of the bearing blocks (2) by taking the center of the bearing blocks (2) as a reference, the limiting rods (21) are connected with the bearing blocks (2) at the front side and the rear side of the slideway plate (14), the limiting rods (21) penetrate through the sliding blocks (23), and sliding connection is formed between the sliding blocks (23) and the limiting rods (21).

5. The grinding device for guide surfaces of a bed of a numerical control machine tool according to claim 1, wherein:

The connecting frame (3) is symmetrically arranged on the bottom surface of the sliding block (23) by taking the center of the sliding block (23) as a reference, and the connecting frame (3) and the sliding block (23) form fixed connection through a fixing bolt (34).

6. The grinding device for guide surfaces of a bed of a numerical control machine tool according to claim 1, wherein:

The rotating shaft (32) is in rotating connection with the connecting frame (3) through a bearing (31), and the rotating shaft (32) is in rotating connection with the motor (38) through a switching shaft (35), a transmission belt (36), a connecting shaft (37).

7. The grinding device for guide surfaces of a bed of a numerical control machine tool according to claim 1, wherein:

The bottom surface of motor (38) and slider (23) top surface fixed connection, limit frame (39) regard the center of slider (23) as the top surface of benchmark bilateral symmetry installation in slider (23), the top gomphosis of limit frame (39) is installed in the spout structure of slide board (14) bottom surface, and constitutes sliding connection between limit frame (39) and slide board (14).