Adjusting mechanism of numerical control machine tool base

Abstract

The utility model discloses a numerical control machine tool base adjusting mechanism which comprises a fixing base, lead screws are arranged on the two sides of the interior of the fixing base, the rotating directions of the two ends of each lead screw are opposite, a mounting plate is arranged on the outer sides of the lead screws, limiting strips are evenly arranged on the lower surface of the mounting plate, connecting holes are formed in the four end corners of the mounting plate, and the limiting strips are arranged on the lower surface of the mounting plate. A worm gear is arranged at one end of the lead screw, a worm is arranged below the worm gear, a connecting shaft is arranged on the inner side of the worm, a motor is arranged at one end of the connecting shaft, a groove is formed in the lower surface of the fixing base, a positioning rod is arranged on the inner side of the groove, and a positioning plate is arranged at the lower end of the positioning rod. The positioning rods are slidably connected with the positioning plates through the positioning grooves, springs are arranged at the lower ends of the positioning rods, rubber pads are arranged on the outer sides of the positioning plates, and fixing plates are arranged on the lower surfaces of the rubber pads. The numerical control machine tool can be conveniently installed, and the buffering effect on the numerical control machine tool is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of numerical control machine tools, in particular to an adjustment mechanism for a base of a numerical control machine tool. Background Art

[0002] CNC machine tool is the abbreviation of digital control machine tool, which is an automated machine tool equipped with a program control system. The control system can logically process programs specified by control codes or other symbolic instructions, decode them, express them in coded numbers, and input them into the CNC device through information carriers. After calculation and processing, the CNC device sends various control signals to control the movement of the machine tool and automatically process the parts according to the shape and size required by the drawing.

[0003] However, the existing CNC machine tool base is not convenient to adjust the position of the mounting plate when installing and fixing the CNC machine tool, has poor adaptability to CNC machine tools of different sizes, and the base does not have a good enough buffering effect on the CNC machine tool; therefore, it does not meet the existing needs, and we propose an adjustment mechanism for the CNC machine tool base. Utility Model Content

[0004] The purpose of the utility model is to provide an adjustment mechanism for a CNC machine tool base, so as to solve the problems raised in the above-mentioned background technology that the existing CNC machine tool base is inconvenient to adjust the position of the mounting plate when the CNC machine tool is installed and fixed, has poor adaptability to CNC machine tools of different sizes, and the base has insufficient buffering effect on the CNC machine tool.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustment mechanism of a CNC machine tool base, comprising a fixed seat, lead screws are arranged on both sides inside the fixed seat, and the rotation directions of the two ends of the lead screw are opposite, a mounting plate is arranged on the outer side of the lead screw, and limit strips are evenly arranged on the lower surface of the mounting plate, connecting holes are arranged at the four end corners of the mounting plate, a worm wheel is arranged at one end of the lead screw, a worm is arranged below the worm wheel, a connecting shaft is arranged on the inner side of the worm, and a motor is arranged at one end of the connecting shaft, a groove is arranged on the lower surface of the fixed seat, a positioning rod is arranged on the inner side of the groove, a positioning plate is arranged at the lower end of the positioning rod, the positioning rod and the positioning plate are slidably connected through the positioning groove, a spring is arranged at the lower end of the positioning rod, a rubber pad is arranged on the outer side of the positioning plate, a fixing plate is arranged on the lower surface of the rubber pad, limit grooves are evenly arranged on the upper surfaces of both sides of the fixed seat, and rollers are arranged on the inner side of the limit grooves.

[0006] Preferably, the inner surface of the worm wheel is completely in contact with the outer surface of one end of the lead screw, and the worm wheel and the lead screw are fixed by welding.

[0007] Preferably, the lower end of the positioning plate is inserted into the inner side of the rubber pad and fixed to the upper surface of the rubber pad by screws.

[0008] Preferably, the upper end of the spring is completely in contact with the lower surface of the positioning rod, and the spring and the positioning rod are fixed by welding.

[0009] Preferably, a protective pad is provided on the outer surface of the roller, and the roller is connected to the limiting groove via a short shaft.

[0010] Preferably, the upper end of the positioning rod is completely in contact with the lower surface of the fixing seat, and the positioning rod and the fixing seat are fixed by screws.

[0011] Preferably, one side of the motor is completely in contact with the outer surface of the fixing seat, and the motor and the fixing seat are fixed by screws.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model uses a lead screw arranged inside a fixed seat and a worm wheel and a worm gear arranged at one end of the lead screw to turn on the motor, rotate the transmission lead screw of the worm wheel and worm gear, and then use the opposite rotation directions of the two ends of the lead screw to make the mounting plates arranged at both ends of the lead screw move inward and outward at the same time, which can adapt to the installation of CNC machine tools of different sizes, improve the adaptability to different CNC machine tools, and increase the smoothness and stability of the movement of the mounting plate through the limit grooves and balls arranged on both sides of the fixed seat;

[0014] 2. The utility model uses the spring, positioning plate, rubber pad and positioning groove arranged at the lower end of the positioning rod, and utilizes the elasticity of the spring and the rubber pad to increase the buffering of the CNC machine tool installed above the mounting plate, thereby improving the stability of the placement of the CNC machine tool. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 A bottom view of the utility model as a whole;

[0017] Figure 3 It is a partial structural schematic diagram of the utility model;

[0018] Figure 4 It is an enlarged schematic diagram of structure A of the utility model.

[0019] In the figure: 1. Mounting plate; 2. Connecting hole; 3. Limiting strip; 4. Fixing seat; 5. Lead screw; 6. Motor; 7. Fixing plate; 8. Groove; 9. Limiting slot; 10. Roller; 11. Worm gear; 12. Worm; 13. Connecting shaft; 14. Rubber pad; 15. Positioning rod; 16. Positioning plate; 17. Spring; 18. Positioning slot. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] See also Figures 1 to 4 The utility model provides an embodiment: an adjustment mechanism of a CNC machine tool base, including a fixed seat 4, both sides of the fixed seat 4 are provided with lead screws 5, and the rotation directions of the two ends of the lead screw 5 are opposite, a mounting plate 1 is provided on the outside of the lead screw 5, and the lower surface of the mounting plate 1 is evenly provided with limit strips 3, and the four end corners of the mounting plate 1 are provided with connecting holes 2, a worm wheel 11 is provided at one end of the lead screw 5, a worm 12 is provided below the worm wheel 11, and a connecting shaft 13 is provided on the inner side of the worm 12, and the connecting shaft 13 A motor 6 is provided at one end, a groove 8 is provided on the lower surface of the fixing seat 4, a positioning rod 15 is provided on the inner side of the groove 8, a positioning plate 16 is provided on the lower end of the positioning rod 15, the positioning rod 15 and the positioning plate 16 are slidably connected through the positioning groove 18, a spring 17 is provided on the lower end of the positioning rod 15, a rubber pad 14 is provided on the outer side of the positioning plate 16, a fixing plate 7 is provided on the lower surface of the rubber pad 14, limiting grooves 9 are evenly provided on the upper surfaces of both sides of the fixing seat 4, and rollers 10 are provided on the inner sides of the limiting grooves 9.

[0022] Furthermore, the inner surface of the worm wheel 11 is completely fitted with the outer surface of one end of the lead screw 5, and the worm wheel 11 and the lead screw 5 are fixed by welding.

[0023] By adopting the above technical solution, the transmission effect of the worm gear is increased and the regulating effect of the device is improved.

[0024] Furthermore, the lower end of the positioning plate 16 is inserted into the inner side of the rubber pad 14 and fixed to the upper surface of the rubber pad 14 by screws.

[0025] By adopting the above technical solution, the firmness of the connection of the positioning plate 16 is increased, and the working stability of the positioning plate 16 is improved.

[0026] Furthermore, the upper end of the spring 17 is completely fitted with the lower surface of the positioning rod 15, and the spring 17 and the positioning rod 15 are fixed by welding.

[0027] By adopting the above technical solution, the spring 17 and the positioning rod 15 are fixed by welding, thereby increasing the firmness of the connection of the spring 17 .

[0028] Furthermore, a protective pad is provided on the outer surface of the roller 10, and the roller 10 is connected to the limiting groove 9 via a short shaft.

[0029] By adopting the above technical solution, the smoothness of movement of the mounting plate 1 is increased, and the protection of the mounting plate 1 is improved.

[0030] Furthermore, the upper end of the positioning rod 15 is completely fitted with the lower surface of the fixing seat 4, and the positioning rod 15 and the fixing seat 4 are fixed by screws.

[0031] By adopting the above technical solution, the positioning rod 15 and the fixing seat 4 are fixed by screws, thereby increasing the working stability of the positioning rod 15.

[0032] Furthermore, one side of the motor 6 is completely in contact with the outer surface of the fixing base 4, and the motor 6 and the fixing base 4 are fixed by screws.

[0033] By adopting the above technical solution, the motor 6 and the fixing seat 4 are fixed by screws, thereby increasing the transmission stability of the motor 6.

[0034] Working principle: When in use, a mounting plate 1 is arranged above the fixed seat 4, and the motor 6 is turned on through the lead screw 5 arranged on the inner side of the fixed seat 4 and the worm wheel 11 and worm 12 arranged at one end of the lead screw 5, and the transmission of the worm wheel and worm is used to drive the lead screw 5 to rotate, and then the two ends of the lead screw 5 rotate in opposite directions, so that the mounting plates 1 arranged at both ends of the lead screw 5 can move inward and outward at the same time, which can adapt to the installation of CNC machine tools of different sizes, and improves the adaptability to different CNC machine tools, and the limiting grooves 9 and balls 10 arranged on both sides of the fixed seat 4 increase the smoothness and stability of the movement of the mounting plate 1, and a groove 8 is arranged on the lower surface of the fixed seat 4, and the spring 17, positioning plate 16, rubber pad 14 and positioning groove 18 arranged at the lower end of the positioning rod 15, and the elasticity of the spring 17 and the rubber pad 14 are utilized to increase the buffering of the CNC machine tool installed above the mounting plate 1, and improve the stability of the placement of the CNC machine tool.

[0035] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An adjustment mechanism for a CNC machine tool base, comprising a fixing seat (4), characterized in that: Both sides of the fixed seat (4) are provided with lead screws (5), and the rotation directions of the two ends of the lead screw (5) are opposite. A mounting plate (1) is provided on the outer side of the lead screw (5), and the lower surface of the mounting plate (1) is evenly provided with limit strips (3). Four end corners of the mounting plate (1) are provided with connecting holes (2). A worm wheel (11) is provided at one end of the lead screw (5), and a worm (12) is provided below the worm wheel (11). A connecting shaft (13) is provided on the inner side of the worm (12), and a motor (6) is provided at one end of the connecting shaft (13). A groove (8) is provided on the surface, a positioning rod (15) is provided on the inner side of the groove (8), a positioning plate (16) is provided at the lower end of the positioning rod (15), the positioning rod (15) and the positioning plate (16) are slidably connected through the positioning groove (18), a spring (17) is provided at the lower end of the positioning rod (15), a rubber pad (14) is provided on the outer side of the positioning plate (16), a fixing plate (7) is provided on the lower surface of the rubber pad (14), and limiting grooves (9) are evenly provided on the upper surfaces of both sides of the fixing seat (4), and rollers (10) are provided on the inner sides of the limiting grooves (9).

2. The adjustment mechanism of a CNC machine tool base according to claim 1, characterized in that: The inner surface of the worm wheel (11) is completely in contact with the outer surface of one end of the lead screw (5), and the worm wheel (11) and the lead screw (5) are fixed by welding.

3. The adjustment mechanism of a CNC machine tool base according to claim 1, characterized in that: The lower end of the positioning plate (16) is inserted into the inner side of the rubber pad (14) and fixed to the upper surface of the rubber pad (14) by means of screws.

4. The adjustment mechanism of a CNC machine tool base according to claim 1, characterized in that: The upper end of the spring (17) is completely in contact with the lower surface of the positioning rod (15), and the spring (17) and the positioning rod (15) are fixed by welding.

5. The adjustment mechanism of a CNC machine tool base according to claim 1, characterized in that: The outer surface of the roller (10) is provided with a protective pad, and the roller (10) is connected to the limiting groove (9) via a short shaft.

6. The adjustment mechanism of a CNC machine tool base according to claim 1, characterized in that: The upper end of the positioning rod (15) is completely in contact with the lower surface of the fixing seat (4), and the positioning rod (15) and the fixing seat (4) are fixed by screws.

7. The adjustment mechanism of a CNC machine tool base according to claim 1, characterized in that: One side of the motor (6) is completely in contact with the outer surface of the fixing seat (4), and the motor (6) and the fixing seat (4) are fixed by screws.

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