Linear sliding rail mechanism of bridge type gantry machining center

Abstract

The utility model discloses a linear sliding rail mechanism of a bridge type gantry machining center in the technical field of bridge type gantry machining equipment, which is reasonable in structure, and is provided with balls and back shore rollers, and the balls are correspondingly arranged in a plurality of struts on a sliding seat in a rotary connection manner, so that when the sliding seat is arranged on the outer wall of a sliding rail, the sliding rail is not prone to falling off. The rolling balls make contact with the upper surfaces of the sliding rails, on one hand, supporting treatment is carried out on the sliding seats and the moving blocks below the sliding seats, and on the other hand, horizontal moving treatment, on the outer walls of the sliding rails, of the sliding seats is not affected. And the springs are arranged on the outer walls of the limiting columns, the springs can abut against the lower surface of the sliding rail against the jacking rollers by means of the effect of counter-acting force of the springs, and the sliding flexibility of the sliding seat on the outer wall of the sliding rail is improved in cooperation with the balls.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge-type gantry processing equipment, in particular to a linear slide rail mechanism for a bridge-type gantry processing center. Background Art

[0002] The bridge gantry is a commonly used engineering machinery equipment for lifting and carrying heavy objects. It is usually composed of components such as a bridge, a trolley, a small car, a lifting mechanism, etc., and can be used for lifting operations in factories, docks, warehouses and other places. The design and manufacture of the bridge gantry need to consider various factors, such as lifting weight, span, working environment, etc. Its structure is stable and easy to operate, and it is widely used in various engineering projects. The linear slide rails used in the bridge gantry are usually moved on the surface of the slide rail, which is easy to cause friction during the movement. The long-term cyclic movement causes severe wear and damage. On the one hand, it increases the corresponding processing economic cost. On the other hand, if it is damaged, it not only delays the processing operation progress, but also increases the cost of later maintenance and repair. At the same time, the friction generated on the slide rail affects the flexibility of sliding, and also has a certain impact on the operation of the bridge gantry machining center, thereby reducing the use effect and efficiency of the linear slide rail mechanism of the bridge gantry machining center, and also affects the durability of the linear slide rail mechanism of the bridge gantry machining center.

[0003] Therefore, it is necessary to develop a linear slide mechanism for a bridge-type gantry machining center. Utility Model Content

[0004] The utility model aims to provide a linear slide mechanism for a bridge-type gantry machining center. By providing a ball bearing and a top support roller, a plurality of ball bearings are correspondingly arranged in a plurality of pillars on a slide seat in a rotationally connected manner, so that when the slide seat is arranged on the outer wall of the slide rail, the ball bearings contact the upper surface of the slide rail, on the one hand, the slide seat and the moving block below are supported, and on the other hand, the horizontal movement of the slide seat on the outer wall of the slide rail is not affected. By slidingly arranging the top support roller in a mounting hole on a U-shaped frame by a top plate in combination with a limit column, and arranging a spring on the outer wall of the limit column The reaction force of the spring is utilized so that the spring can press the supporting roller against the lower surface of the slide rail, and cooperate with the ball to improve the flexibility of the slide seat sliding on the outer wall of the slide rail, and try to avoid the slide seat moving on the outer wall of the slide rail and causing wear and tear, and also try to avoid damage caused by severe wear. It effectively improves the use effect of the linear slide mechanism of the bridge-type gantry machining center, and indirectly improves the durability of the linear slide mechanism of the bridge-type gantry machining center, so as to solve the problem of poor effect and easy damage of the linear slide mechanism of the bridge-type gantry machining center proposed in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a linear slide rail mechanism of a bridge-type gantry machining center, comprising a gantry track frame, a slide rail is installed at the top of the inner part of the gantry track frame, a rotating shaft is rotatably connected to the inner bottom of the gantry track frame, and a moving block is installed at the inner center position of the gantry track frame;

[0006] A sliding seat is installed on the top of the moving block, and a U-shaped frame is installed on the inner bottom end of the sliding seat.

[0007] Preferably, a motor is installed below an outer wall of one side of the gantry track frame, and an output shaft on the motor is fixedly connected to one end of the rotating shaft through a coupling.

[0008] Preferably, the interior of the slide seat is slidably connected to the outer wall of the slide rail, and a threaded hole is provided at the center of the surface of the moving block.

[0009] Preferably, the hole wall of the threaded hole is threadedly connected to the outer wall of the rotating shaft, and the inner top of the sliding seat is provided with a support column, and the inner bottom of the support column is rotatably connected with a ball.

[0010] Preferably, mounting holes are provided on both sides of the surface of the U-shaped frame, and limiting columns are installed inside the mounting holes.

[0011] Preferably, the outer wall of the limiting column is slidably connected to the inner wall of the mounting hole, and a limiting ring is provided at one end of the limiting column.

[0012] Preferably, a top plate is provided at the other end of the limiting column, and a spring is provided on the outer wall of the limiting column.

[0013] Preferably, the spring is located between the U-shaped frame and the top plate, and top support rollers are installed on both sides of the top of the top plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] By providing balls and supporting rollers, several balls are correspondingly arranged in several pillars on the slide seat in a rotating connection manner, so that when the slide seat is arranged on the outer wall of the slide rail, the balls contact the upper surface of the slide rail, on the one hand, supporting the slide seat and the moving block below, on the other hand, it does not affect the horizontal movement of the slide seat on the outer wall of the slide rail. The supporting roller is set in the mounting hole on the U-shaped frame in a sliding manner by the top plate and the limit column, and a spring is set on the outer wall of the limit column. The spring has a reaction force effect, so that the spring can press the supporting roller to tighten the lower surface of the slide rail, cooperate with the balls, and improve the sliding flexibility of the slide seat on the outer wall of the slide rail, so as to avoid the situation that the slide seat is easy to wear when moving on the outer wall of the slide rail as much as possible, and also avoid the situation that damage caused by severe wear as much as possible, effectively improve the use effect of the linear slide mechanism of the bridge gantry machining center, and indirectly improve the durability of the linear slide mechanism of the bridge gantry machining center. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The overall structural diagram provided by the utility model;

[0017] Figure 2 It is an enlarged schematic diagram of a local structure provided by the utility model;

[0018] Figure 3 The utility model provides Figure 2 A magnified view of the structure at A;

[0019] Figure 4 This is a partial structural decomposition schematic diagram provided by the utility model.

[0020] In the figure: 1, gantry track frame; 101, slide rail; 2, rotating shaft; 201, motor; 3, moving block; 301, slide seat; 302, threaded hole; 303, support column; 304, ball bearing; 4, U-shaped frame; 401, mounting hole; 402, limiting column; 403, limiting ring; 404, top plate; 405, spring; 406, top support roller. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The utility model provides the following technical solutions: a linear slide mechanism for a bridge-type gantry machining center, see Figure 1-4, including a gantry track frame 1, a slide rail 101 is installed at the top of the inner part of the gantry track frame 1, a rotating shaft 2 is rotatably connected at the lower part of the inner part of the gantry track frame 1, a motor 201 is installed at the lower part of the outer wall of one side of the gantry track frame 1, and the output shaft on the motor 201 is fixedly connected to one end of the rotating shaft 2 through a coupling, so that the motor 201 can drive and control the rotating shaft 2 to rotate forward or reverse, and a moving block 3 is installed at the inner center position of the gantry track frame 1;

[0023] A slide seat 301 is installed on the top of the moving block 3, and the interior of the slide seat 301 is slidably connected to the outer wall of the slide rail 101. A threaded hole 302 is opened at the center of the surface of the moving block 3, and the hole wall of the threaded hole 302 is threadedly connected to the outer wall of the rotating shaft 2. The moving block 3 is installed on the outer wall of the rotating shaft 2 by threaded connection through the threaded hole 302, and the slide seat 301 on the top of the moving block 3 is set on the outer wall of the slide rail 101 on the gantry track frame 1 in a sliding manner, so that the rotating shaft 2 rotates forward or reversely, and the moving block 3 can be synchronously driven to move left or right. For horizontal movement, the top of the inner part of the slide 301 is provided with a pillar 303, and the inner bottom of the pillar 303 is rotatably connected with a ball 304. A plurality of ball 304 are correspondingly arranged in a plurality of pillars 303 on the slide 301 in a rotatable connection manner, so that when the slide 301 is set on the outer wall of the slide rail 101, the ball 304 contacts the upper surface of the slide rail 101, on the one hand, the slide 301 and the moving block 3 below are supported, and on the other hand, the horizontal movement of the slide 301 on the outer wall of the slide rail 101 is not affected;

[0024] A U-shaped frame 4 is installed at the inner bottom end of the slide 301, and mounting holes 401 are opened on both sides of the surface of the U-shaped frame 4. A limiting column 402 is installed inside the mounting hole 401, and the outer wall of the limiting column 402 is slidably connected with the inner wall of the mounting hole 401. The U-shaped frame 4 is set at the inner bottom end of the slide 301, and two groups of limiting columns 402 are set in the mounting holes 401 on the U-shaped frame 4 in a sliding manner, so that the limiting columns 402 can slide vertically up and down on the U-shaped frame 4, and a limiting ring 403 is set at one end of the limiting column 402, and a top plate 404 is set at the other end of the limiting column 402. The limiting ring 403 and the top plate 404 are set on the outside and inside of the U-shaped frame 4 so that the limiting ring 403 and The top plate 404 limits the limiting column 402 to prevent the limiting column 402 from detaching from the U-shaped frame 4. A spring 405 is arranged on the outer wall of the limiting column 402, and the spring 405 is located between the U-shaped frame 4 and the top plate 404. Support rollers 406 are installed on both sides of the top of the top plate 404. The spring 405 has a reaction force effect, so that the spring 405 can press the support roller 406 against the lower surface of the slide rail 101, and cooperate with the ball 304 to improve the sliding flexibility of the slide seat 301 on the outer wall of the slide rail 101, so as to avoid the slide seat 301 from moving on the outer wall of the slide rail 101 and causing wear and tear, and also avoid the situation where the wear is serious and causes damage.

[0025] Working principle: When using the utility model, the rotating shaft 2 is installed at the lower part of the inner part of the gantry track frame 1 in a rotating connection manner, and the output shaft of the motor 201 on the gantry track frame 1 is fixedly connected to one end of the rotating shaft 2 by a coupling, so that the motor 201 can drive and control the rotating shaft 2 to rotate forward or reverse. By installing the moving block 3 on the outer wall of the rotating shaft 2 by threaded connection through the threaded hole 302, and setting the slide seat 301 on the top of the moving block 3 on the outer wall of the slide rail 101 on the gantry track frame 1 in a sliding manner, the rotating shaft 2 can be rotated forward or reversed, and the rotating shaft 2 can be synchronously driven. The moving block 3 moves horizontally to the left or right. By arranging several balls 304 in a corresponding manner in the several pillars 303 on the slide seat 301 in a rotationally connected manner, when the slide seat 301 is arranged on the outer wall of the slide rail 101, the balls 304 contact the upper surface of the slide rail 101. On the one hand, the slide seat 301 and the moving block 3 below are supported. On the other hand, the horizontal movement of the slide seat 301 on the outer wall of the slide rail 101 is not affected. By arranging the U-shaped frame 4 at the inner bottom end of the slide seat 301 and connecting the two sets of limit columns 402 in a sliding manner, the slide seat 301 can be moved horizontally to the right or left. The limiting column 402 is arranged in the mounting hole 401 on the U-shaped frame 4 in a manner so that the limiting column 402 can slide vertically up and down on the U-shaped frame 4, by respectively arranging a limiting ring 403 and a top plate 404 at both ends of the limiting column 402, and arranging the limiting ring 403 and the top plate 404 outside and inside the U-shaped frame 4, so that the limiting ring 403 and the top plate 404 limit the limiting column 402 to prevent the limiting column 402 from detaching from the U-shaped frame 4, by arranging a spring 405 on the outer wall of the limiting column 402, and correspondingly arranging two sets of top support rollers on the top of the top plate 404 406, utilizing the reaction force effect of the spring 405, the spring 405 can press the supporting roller 406 against the lower surface of the slide rail 101, and cooperate with the ball 304 to improve the sliding flexibility of the slide seat 301 on the outer wall of the slide rail 101, and try to avoid the slide seat 301 from moving on the outer wall of the slide rail 101. The wear and tear of the slide seat 301 is easily generated, and the damage caused by severe wear is also avoided. The use effect of the linear slide rail mechanism of the bridge-type gantry machining center is effectively improved, and the durability of the linear slide rail mechanism of the bridge-type gantry machining center is also indirectly improved.

[0026] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A linear slide rail mechanism for a bridge-type gantry machining center, comprising a gantry rail frame (1), a slide rail (101) being installed at the top of the interior of the gantry rail frame (1), and a rotating shaft (2) being rotatably connected at the bottom of the interior of the gantry rail frame (1), characterized in that: A moving block (3) is installed at the inner center position of the gantry track frame (1); A sliding seat (301) is installed on the top of the moving block (3), the interior of the sliding seat (301) is slidably connected to the outer wall of the slide rail (101), a threaded hole (302) is opened at the center of the surface of the moving block (3), the hole wall of the threaded hole (302) is threadedly connected to the outer wall of the rotating shaft (2), a support (303) is arranged at the top of the interior of the sliding seat (301), a ball (304) is rotatably connected to the bottom of the support (303), a U-shaped frame (4) is installed at the bottom of the interior of the sliding seat (301), and both sides of the surface of the U-shaped frame (4) are opened. A mounting hole (401) is provided, a limiting column (402) is installed inside the mounting hole (401), the outer wall of the limiting column (402) is slidably connected to the inner wall of the mounting hole (401), a limiting ring (403) is provided at one end of the limiting column (402), a top plate (404) is provided at the other end of the limiting column (402), a spring (405) is provided on the outer wall of the limiting column (402), the spring (405) is located between the U-shaped frame (4) and the top plate (404), and supporting rollers (406) are installed on both sides of the top of the top plate (404).

2. A linear guide rail mechanism for a bridge-type gantry machining center according to claim 1, characterized in that: A motor (201) is installed below an outer wall of one side of the gantry track frame (1), and an output shaft on the motor (201) is fixedly connected to one end of the rotating shaft (2) via a coupling.

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