CN109807746B

CN109807746B - Numerical control grinding machine tool

Info

Publication number: CN109807746B
Application number: CN201910033778.5A
Authority: CN
Inventors: 孙乐维; 郭磊
Original assignee: Xinxiang Vocational and Technical College
Current assignee: Xinxiang Vocational and Technical College
Priority date: 2019-01-15
Filing date: 2019-01-15
Publication date: 2020-08-11
Anticipated expiration: 2039-01-15
Also published as: CN109807746A

Abstract

The invention discloses a numerical control grinding machine tool, which comprises a numerical control grinding machine tool body, wherein a workpiece driving mechanism is movably arranged at the right side of the numerical control grinding machine tool body, a guide rail frame is arranged on the workpiece driving mechanism and is used for bearing the weight of a workpiece and driving the workpiece to generate transverse displacement supply motion, the workpiece driving mechanism and the grinding mechanism are detachably connected by a positioning sliding shaft, the clamping process when a large-size workpiece is processed is reduced, the workpiece driving mechanism is further utilized to enable the workpiece to generate transverse displacement variation, the grinding speed is improved, the guide rail is used for bearing the weight of the workpiece, the synchronous belt and the magnetic grid ruler are used for matching, the cost is controlled, meanwhile, the stability and the polishing precision of polishing work are improved, the laser range finder can measure the initial displacement change between the workpiece and the polishing head, and the accuracy of the whole polishing work is kept when the large-size workpiece moves.

Description

Numerical control grinding machine tool

Technical Field

The invention relates to the field of machining and manufacturing by numerical control technology, in particular to a numerical control grinding machine tool.

Background

The numerical control machine tool is a product combining an information technology and a mechanical manufacturing technology, represents the technical level and the development trend of modern basic machinery, the industrial development of the numerical control machine tool in China is fast, nearly hundreds of numerical control machine tool manufacturers exist, in order to accelerate the development of the industrial numerical control machine tool in China and better meet the requirement of the economic development of China, the country sets important basic machinery as one of four key fields of joy in the mechanical industry rundown compendium issued by the formulation, and the important basic machinery is mainly used for developing the numerical control machine tool, and the development guidelines of the numerical control machine tool in China before the year 2010 are as follows: six types of hosts are selected: the numerical control machine tool comprises a numerical control lathe, a machining center, a numerical control grinding machine, a numerical control forging machine tool, a numerical control heavy machine tool and a numerical control precision electric machining machine tool, and a numerical control system is broken through in a centralized manner; the popularization is developed, and the reliability is improved; the internal and external combination is mainly achieved, the industrialization of the data control machine tool in China is realized, during the period of 'nine five', the reliability is mainly improved, the variety is increased, and the economic scale production of the popular numerical control system and the numerical control machine tool is realized; at present, after the position of a workpiece is accurately positioned in advance when a numerical control grinding machine in China works, the next processing technology is started, when the processing technology meets the condition that the size of the workpiece is too long or the shape of the workpiece is irregular, the workpiece is often required to be taken down from a clamp, secondary processing is carried out after clamping and positioning are carried out again, the accuracy of clamping and positioning of the workpiece directly influences the final working result of the numerical control grinding machine, and particularly, when the workpiece is taken down and secondary processing is carried out, clamping workers are required to have greater patience and skill; secondly, the current workpiece driving mechanism needs to be further improved to obtain a more accurate, convenient, fast and efficient numerically controlled grinder.

Disclosure of Invention

A numerical control grinding machine tool comprises a numerical control grinding machine tool body, wherein a workpiece driving mechanism is movably arranged on the right side of the numerical control grinding machine tool body and comprises a moving table, two guide rail frames are symmetrically arranged on the top of the moving table, a magnetic grid ruler is fixedly arranged on the inner side surface of each guide rail frame, and two guide rails are symmetrically arranged on the top of each guide rail frame; each guide rail is provided with two sliding blocks in a sliding manner, and one sliding block is provided with a magnetic grid reading head; the top of each sliding block is fixedly connected with the bottom of the clamp mounting plate, the top of the clamp mounting plate is provided with a workpiece clamp, the left side of the guide rail frame is fixedly connected with a left end cover, the right side of the guide rail frame is fixedly connected with a right end cover, the outer side of the right end cover is fixedly connected with a right support, the inner side of the right support is rotatably provided with a first synchronous belt wheel, the inner side of the left end cover is fixedly connected with a left support, the inner side of the left support is rotatably provided with a second synchronous belt wheel, a synchronous belt is arranged between the first synchronous belt wheel and the second synchronous belt wheel in a matching way, the synchronous belt is fixedly connected with the bottom of the sliding block, the right end cover is also fixedly provided with a motor support, the outer side of the right end cover is fixedly provided with a servo motor through the motor support, the motor output, be provided with the traction area between retaining ring and the flange, rotate through the traction area synchronization between first synchronous pulley and the action wheel, fixed mounting has laser range finder on the left side of mobile station is located the position between two guide rail framves, and the back fixed mounting of mobile station has the fixed block, the left side fixedly connected with location slide-spindle of fixed block, still be provided with the location sleeve of cooperation location slide-spindle work on the numerical control machine tool body of polishing.

Preferably, the bottom of mobile station is provided with the universal wheel, still install the brake block on the universal wheel, the storage chamber has been seted up to the inside of mobile station.

Preferably, the numerical control grinding machine tool body is composed of a left control cabinet and a right grinding device, the right side of the control cabinet is further provided with an installation table, and a standby clamp is installed at the upper end of the installation table.

Preferably, a back plate is further arranged below the polishing device, the left side of the back plate is fixedly connected with the right side wall of the control cabinet, the upper end of the back plate is fixedly connected with the bottom of the polishing device, and the positioning sleeve is arranged on the inner side wall of the back plate.

Compared with the prior art, the invention has the following beneficial effects: according to the invention, the workpiece driving mechanism and the polishing mechanism are detachably connected by the positioning sliding shaft, so that the clamping process during processing of a large-size workpiece is reduced, the workpiece driving mechanism is further utilized to enable the workpiece to generate a transverse displacement variation, the polishing speed is improved, the weight of the workpiece is borne by the guide rail, the stability and the polishing precision of the polishing work are improved while the cost is controlled by utilizing the matching work of the synchronous belt and the magnetic grid ruler, the initial displacement variation between the workpiece and the polishing head can be measured by the laser range finder, and the accuracy of the whole polishing work is favorably kept when the large-size workpiece moves.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall construction of the workpiece drive mechanism of the present invention;

FIG. 3 is a schematic view showing the installation position of the positioning slide shaft on the workpiece driving mechanism according to the present invention;

FIG. 4 is a top plan view of the workpiece drive mechanism of the present invention;

FIG. 5 is a schematic view of the servo motor mounting location of the present invention;

FIG. 6 is a schematic view of the slider mounting relationship of the present invention;

FIG. 7 is a schematic diagram of a specific driving method of the servo motor according to the present invention;

FIG. 8 is a right side schematic view of the overall construction of the present invention;

FIG. 9 is a front view of the present invention;

FIG. 10 is a schematic view of the positioning sleeve installation of the present invention;

FIG. 11 is a bottom view of the present invention;

FIG. 12 is a block diagram of a mobile station;

FIG. 13 is a schematic view of the mounting station mounting position of the present invention;

fig. 14 is a schematic diagram of the position of the mobile station after movement according to the present invention.

In the figure: 1. a numerical control grinding machine tool body; 2. a workpiece drive mechanism; 3. a clamp mounting plate; 4. a workpiece holder; 5. a magnetic grid ruler; 6. a synchronous belt; 7. a first timing pulley; 8. a right bracket; 9. a guide rail; 10. a guide rail bracket; 11. a universal wheel; 12. a mobile station; 13. a laser range finder; 14. a left end cap; 15. a left bracket; 16. a second timing pulley; 17. a right end cap; 18. a fixed block; 19. positioning a sliding shaft; 20. a slider; 21. a motor bracket; 22. a servo motor; 23. a driving wheel; 24. an output shaft of the motor; 25. a traction belt; 26. a retainer ring; 27. blocking edges; 28. polishing head; 29. a sanding head drive mechanism; 30. a back plate; 31. a positioning sleeve; 32. a receiving cavity; 33. an installation table; 34. and (5) standby fixture.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-14, the present invention provides a technical solution: a numerical control grinding machine tool comprises a numerical control grinding machine tool body 1, a workpiece driving mechanism 2 is movably arranged on the right side of the numerical control grinding machine tool body 1, the workpiece driving mechanism 2 comprises a moving table 12, a universal wheel 11 is arranged at the bottom of the moving table 12, a brake pad is further arranged on the universal wheel 11, a containing cavity 32 is formed in the moving table 12, the numerical control grinding machine tool body 1 is composed of a left control cabinet and a right grinding device, the grinding device comprises a grinding head driving mechanism 29 and a grinding head 28 driven to move by the grinding head driving mechanism 29, the driving mode of the polishing head 28 and the control cabinet are the same as those of the existing numerical control technology, and are not described herein again, two guide rail frames 10 are symmetrically arranged at the top of the mobile station 12, a magnetic grid ruler 5 is fixedly arranged on the inner side surface of each guide rail frame 10, and two guide rails 9 are symmetrically arranged at the top of each guide rail frame 10; each guide rail 9 is provided with two sliding blocks 20 in a sliding way, wherein one sliding block is provided with a magnetic grid reading head; the top of each sliding block 20 is fixedly connected with the bottom of the clamp mounting plate 3, the top of the clamp mounting plate 3 is provided with a workpiece clamp 4, the left side of the guide rail frame 10 is fixedly connected with a left end cover 14, the right side of the guide rail frame 10 is fixedly connected with a right end cover 17, the outer side of the right end cover 17 is fixedly connected with a right support 8, the inner side of the right support 8 is rotatably provided with a first synchronous belt pulley 7, the inner side of the left end cover 14 is fixedly connected with a left support 15, the inner side of the left support 15 is rotatably provided with a second synchronous belt pulley 16, a synchronous belt 6 is arranged between the first synchronous belt pulley 7 and the second synchronous belt pulley 16 in a matching way, the synchronous belt 6 is fixedly connected with the bottom of the sliding block 20, the right end cover 17 is also fixedly provided with a motor support 21, the outer side of the right end cover 17 is, the first synchronous pulley 7 is further provided with a retaining ring 26 and a retaining edge 27, a traction belt 25 is arranged between the retaining ring 26 and the retaining edge 27, the first synchronous pulley 7 and the driving wheel 23 synchronously rotate through the traction belt 25, the left side of the mobile platform 12 is fixedly provided with a laser range finder 13 at a position between the two guide rail frames 10, the back of the mobile platform 12 is fixedly provided with a fixed block 18, the left side of the fixed block 18 is fixedly connected with a positioning sliding shaft 19, the numerical control polishing machine tool body 1 is further provided with a positioning sleeve 31 matched with the positioning sliding shaft 19 to work, the right side of the control cabinet is further provided with an installation platform 33, the upper end of the installation platform 33 is provided with a standby clamp 34, the polishing device is further provided with a back plate 30 below, the left side of the back plate 30 is fixedly connected with the right side wall of the control cabinet, the upper end of the back plate 30 is fixedly connected with the bottom of the polishing device.

Specifically, the invention is used as follows: when the size of a workpiece to be processed is too long, such as a metal door in a strip plate shape, a workpiece clamp matched with the workpiece is selected, the workpiece clamp 4 is installed on the clamp installation plate 3 in advance, after a workpiece clamping process is completed, grinding work is started to be carried out on one end of the workpiece, wherein the workpiece can utilize the workpiece driving mechanism 2 and the grinding head 28 to form relative displacement motion, the grinding work efficiency is improved, a numerical control system changes coordinate data into electric signals after a program is written and respectively transmits the electric signals to the grinding head driving mechanism 29 and the servo motor 22, the servo motor 22 can transmit torque to the driving wheel 23 and further enables the first synchronous belt wheel 7 and the second synchronous belt wheel 16 to synchronously rotate and drive the workpiece to generate transverse displacement variation, and the workpiece reads magnetic strip signals on a magnetic grid ruler through a magnetic grid reading head arranged on the sliding block 20 when the workpiece transversely displaces, and the displacement signal is converted into a pulse signal and fed back to the control cabinet to realize closed-loop control, the precision of workpiece displacement is improved, the guide rail 9 is used for bearing the weight of the workpiece, the operation of the whole device is stable and accurate, when the other end of the workpiece needs to be polished, the workpiece driving mechanism 2 is pulled out rightwards, the mobile platform 12 is horizontally rotated for 180 degrees, the positioning sliding shaft 19 at the back of the mobile platform is inserted into the positioning sleeve 31 at the inner side of the back plate 30 again, the mobile platform 12 is prevented from being deviated, the laser range finder 13 arranged at the upper end of the mobile platform 12 can measure the transverse displacement change between the workpiece and the polishing head and transmit the transverse displacement change to the control cabinet, and the control cabinet can perform incremental modification on the transverse coordinate displacement motion of the polishing head.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a numerical control machine tool of polishing, includes numerical control machine tool body (1) of polishing, its characterized in that: the right side of the numerical control grinding machine tool body (1) is movably provided with a workpiece driving mechanism (2), the workpiece driving mechanism (2) comprises a moving table (12), the top of the moving table (12) is symmetrically provided with two guide rail frames (10), the inner side surface of each guide rail frame (10) is fixedly provided with a magnetic grid ruler (5), and the top of each guide rail frame (10) is symmetrically provided with two guide rails (9); each guide rail (9) is provided with two sliding blocks (20) in a sliding way, and one sliding block is provided with a magnetic grid reading head; the top of each sliding block (20) is fixedly connected with the bottom of the clamp mounting plate (3), the top of the clamp mounting plate (3) is provided with a workpiece clamp (4), the left side of the guide rail frame (10) is fixedly connected with a left end cover (14), the right side of the guide rail frame (10) is fixedly connected with a right end cover (17), the outer side of the right end cover (17) is fixedly connected with a right bracket (8), the inner side of the right bracket (8) is rotatably provided with a first synchronous pulley (7), the inner side of the left end cover (14) is fixedly connected with a left bracket (15), the inner side of the left bracket (15) is rotatably provided with a second synchronous pulley (16), a synchronous belt (6) is arranged between the first synchronous pulley (7) and the second synchronous pulley (16) in a matching manner, the synchronous belt (6) is fixedly connected with the bottoms of the sliding blocks (20), and a motor bracket (21, a servo motor (22) is fixedly arranged on the outer side of the right end cover (17) through a motor bracket (21), the motor output shaft (24) of the servo motor (22) is connected with the driving wheel (23) through a flat key, a check ring (26) and a flange (27) are also arranged on the first synchronous pulley (7), a traction belt (25) is arranged between the check ring (26) and the flange (27), the first synchronous belt wheel (7) and the driving wheel (23) synchronously rotate through a traction belt (25), a laser range finder (13) is fixedly arranged at the position between the two guide rail brackets (10) on the left side of the mobile station (12), a fixed block (18) is fixedly arranged at the back of the mobile station (12), a positioning sliding shaft (19) is fixedly connected on the left side of the fixed block (18), and the numerical control grinding machine tool body (1) is also provided with a positioning sleeve (31) which is matched with the positioning sliding shaft (19) to work.

2. A numerically controlled grinding machine as in claim 1, wherein: the bottom of mobile station (12) is provided with universal wheel (11), still install the brake block on universal wheel (11), storage chamber (32) have been seted up to the inside of mobile station (12).

3. A numerically controlled grinding machine as in claim 1, wherein: the numerical control grinding machine tool body (1) is composed of a left control cabinet and a right grinding device, a mounting table (33) is further arranged on the right side edge of the control cabinet, and a standby clamp (34) is mounted at the upper end of the mounting table (33).

4. A numerically controlled grinding machine as in claim 3, wherein: a back plate (30) is further arranged below the polishing device, the left side of the back plate (30) is fixedly connected with the right side wall of the control cabinet, the upper end of the back plate (30) is fixedly connected with the bottom of the polishing device, and the positioning sleeve (31) is installed on the inner side wall of the back plate (30).