Numerically-controlled machine tool polishing equipment

Abstract

The utility model discloses numerical control machine tool polishing equipment, relates to the related field of polishing equipment, and aims to solve the problems that two sets of structures are needed for controlling the polishing depth and reaching or leaving the polishing position respectively, a driving structure is redundant, and the using structure is not simple enough in the prior art. An L-shaped supporting plate is fixedly welded to the lower end of the outer side of one mounting vertical plate, an adjusting driving motor is mounted on the outer side of the L-shaped supporting plate, and a driving gear is mounted between the L-shaped supporting plate and the mounting vertical plate along an output shaft of the adjusting driving motor. A driven rotating piece is installed on the outer side of one installation vertical plate along the upper end of the driving gear, the driven rotating piece is composed of a rotating sleeve, connecting rods and annular tooth parts, the connecting rods are located at the front end and the rear end of the outer portion of the rotating sleeve, the annular tooth parts are located outside the two connecting rods, and the rotating sleeve, the connecting rods and the annular tooth parts are integrally formed. And the annular tooth part is meshed with the driving gear.

Description

Technical Field

[0001] The utility model relates to the field of grinding equipment, in particular to a grinding equipment for numerically controlled machine tools. Background Art

[0002] A CNC machine tool is an automated machine tool equipped with a program control system. It can move the machine tool and process parts according to the programmed program. It integrates the latest technologies such as mechanics, automation, computers, measurement, and microelectronics. The basic components include a processing program carrier, a CNC device, a servo drive device, a machine tool body, and other auxiliary devices. CNC machine tools solve the problems of complex, precise, small batch, and multi-variety parts processing. They are flexible and high-efficiency automated machine tools that represent the development direction of modern machine tool control technology. They are a typical mechatronics product that has been widely used in modern industry and has greatly improved the production efficiency of enterprises.

[0003] When processing parts, it is necessary to use grinding equipment on CNC machine tools to grind burrs or uneven parts on the surface of parts. However, currently grinding requires two sets of structures to control the grinding depth and reach or leave the grinding position respectively, the driving structure is redundant, and the structure is not streamlined enough. Utility Model Content

[0004] The purpose of the utility model is to provide a CNC machine tool grinding device to solve the problem raised in the above background technology that the current grinding requires two sets of structures to respectively control the grinding depth and reaching or leaving the grinding position, the driving structure is redundant, and the use structure is not simple enough.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a CNC machine tool grinding equipment, including a mounting plate, two mounting plates are provided, the mounting plates are fixed to the CNC machine tool frame by bolts, an L-shaped support plate is welded and fixed to the lower end of the outer side of one of the mounting plates, an adjustable driving motor is installed on the outer side of the L-shaped support plate, a driving gear is installed between the L-shaped support plate and the mounting plate along the output shaft of the adjustable driving motor, a driven rotating member is installed on the outer side of one of the mounting plates along the upper end of the driving gear, the driven rotating member is composed of a rotating sleeve, a connecting rod and an annular gear portion, the connecting rod is located at the front and rear ends of the outer side of the rotating sleeve, the annular gear portion is located outside the two connecting rods, the rotating sleeve, the connecting rod and the annular gear portion are integrally formed, the annular gear portion is meshed with the driving gear, an intermediate rotating assembly is provided between the two mounting plates, and the intermediate rotating assembly and the driven rotating member are connected through the intermediate rod on the intermediate rotating assembly.

[0006] Preferably, the intermediate rotating component includes a connecting platform, on which a first through groove and a second through groove are provided, the length of the first through groove is smaller than the length of the second through groove, and limiting grooves are provided in the middle of the front and rear end surfaces of the first through groove and in the middle of the inner sides of the front and rear end surfaces of the second through groove, and the lengths of the limiting grooves on the first through groove and the second through groove are the same.

[0007] Preferably, a limit slider is provided in the first through groove and the second through groove, a slide bar matching the limit slider is provided on the limit slider, a driving cylinder is installed on the outer side of the second through groove, the output rod end of the driving cylinder is connected to the corresponding limit slider, the upper end of the limit slider is connected to the side driving rod through an axial rotation, and the middle of the upper end of the connecting platform is connected to the middle connecting rod through an axial rotation, the two side driving rods are centrally symmetrical with the connecting platform and the middle connecting rod as the center, and the other end of the middle connecting rod is connected to the side driving rod through an axial rotation.

[0008] Preferably, a lower connecting horizontal plate is provided in the middle of the lower end of the connecting platform, and the lower connecting horizontal plate is fixedly connected to the middle linkage rod through an axis, a fixed vertical plate is fixed to the lower end of the lower connecting horizontal plate, a grinding drive motor is installed at the lower end of one side of the fixed vertical plate, and a grinding wheel is installed along the output shaft end of the grinding drive motor on the other side of the fixed vertical plate.

[0009] Preferably, a dust cover is installed at the lower end of the lower connecting transverse plate along the outside of the grinding wheel, and the dust cover is connected to the lower connecting transverse plate.

[0010] Preferably, fixing rods are fixed on both sides of the upper end of the connecting platform, a connecting sleeve is fixed to the other end of the fixing rod, an intermediate rod is fixedly connected inside the connecting sleeve, and one side of the intermediate rod passes through one of the mounting vertical plates and is fixedly connected to the rotating sleeve.

[0011] Preferably, a weight-reducing groove is provided through the fixing rod.

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

[0013] In the utility model, the drive motor is adjusted to drive the drive gear to rotate, and the driven rotating part is driven to rotate through the meshing connection relationship between the drive gear and the annular tooth portion on the driven rotating part, and the intermediate rotating assembly connected to the driven rotating part through the intermediate rod rotates synchronously, and the grinding drive motor and the grinding wheel installed on the connecting platform of the intermediate rotating assembly rotate synchronously, so that the grinding wheel moves closer to the workpiece to be polished, and the meshing setting of the drive gear and the annular tooth portion on the driven rotating part allows the contact surface between the grinding wheel and the workpiece to be adjusted, thereby gradually increasing the grinding depth. That is, the structure for driving the grinding wheel to approach or move away from the workpiece and the structure for controlling the grinding depth of the grinding wheel are the same set of structures, which reduces the setting of the driving structure and solves the problem that the current grinding requires two sets of structures to control the grinding depth and reach or move away from the grinding position respectively, the driving structure is redundant, and the use structure is not streamlined enough.

[0014] In the utility model, the output rod end of the driving cylinder drives the limit slider connected to it to extend the second through groove to move. Due to the axial connection and rotation relationship between the limit slider, the intermediate linkage rod and the side driving rod, the intermediate linkage rod is driven to rotate, and the lower connecting cross plate fixedly connected to the intermediate linkage rod by the axis is driven to rotate. The grinding wheel moves synchronously to adjust the contact angle with the workpiece, matching the grinding work of the outer surface of workpieces of different shapes, so that the grinding equipment can act on more shapes of workpieces and can grind to more positions, making the grinding equipment more widely applicable. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a front view of a CNC machine tool grinding device of the utility model;

[0016] Figure 2 It is a side view of the connection structure of the driving gear and the driven rotating part of a CNC machine tool grinding device of the utility model;

[0017] Figure 3 It is a top view of a connection platform of a CNC machine tool grinding device of the utility model;

[0018] Figure 4 The utility model is a three-dimensional structural schematic diagram of an intermediate rotating component of a CNC machine tool grinding device.

[0019] In the figure: 1. Install the vertical plate; 2. L-shaped support plate; 3. Adjust the drive motor; 4. Drive gear; 5. Driven rotating member; 6. Rotating sleeve; 7. Connecting rod; 8. Annular gear; 9. Intermediate rotating assembly; 10. Intermediate rod; 11. Connecting sleeve; 12. Fixed rod; 13. Weight reduction groove; 14. Connecting platform; 15. First through groove; 16. Second through groove; 17. Limit slide groove; 18. Limit slide block; 19. Intermediate linkage rod; 20. Side drive rod; 21. Drive cylinder; 22. Lower connecting horizontal plate; 23. Fixed vertical plate; 24. Grinding drive motor; 25. Grinding wheel; 26. Dust cover. 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 Figure 1-4 The utility model provides an embodiment: a CNC machine tool grinding device, including a mounting plate 1, two mounting plates 1 are provided, the mounting plates 1 are fixed to the CNC machine tool frame by bolts, an L-shaped support plate 2 is welded and fixed to the lower end of the outer side of one of the mounting plates 1, an adjustable drive motor 3 is installed on the outer side of the L-shaped support plate 2, a driving gear 4 is installed between the L-shaped support plate 2 and the mounting plate 1 along the output shaft of the adjustable drive motor 3, a driven rotating member 5 is installed on the outer side of one of the mounting plates 1 along the upper end of the driving gear 4, the driven rotating member 5 is composed of a rotating sleeve 6, a connecting rod 7 and an annular gear portion 8, the connecting rod 7 is located at the front and rear ends of the outer side of the rotating sleeve 6, and the annular gear portion 8 is provided. The part 8 is located outside the two connecting rods 7, the rotating sleeve 6, the connecting rod 7 and the annular tooth portion 8 are integrally formed, the annular tooth portion 8 is meshed with the driving gear 4, and an intermediate rotating component 9 is arranged between the two mounting vertical plates 1. The intermediate rotating component 9 is connected to the driven rotating member 5 through an intermediate rod 10 on the intermediate rotating component 9. The intermediate rotating component 9 includes a connecting platform 14, and fixed rods 12 are fixed on both sides of the upper end of the connecting platform 14. A weight-reducing groove 13 is penetrated on the fixed rod 12 to reduce the deadweight of the structure; a connecting sleeve 11 is fixed to the other end of the fixed rod 12, and an intermediate rod 10 is fixedly connected to the connecting sleeve 11, and one side of the intermediate rod 10 passes through one of the mounting vertical plates 1 and is fixedly connected to the rotating sleeve 6.

[0022] A lower connecting horizontal plate 22 is provided in the middle of the lower end of the connecting platform 14, and the lower connecting horizontal plate 22 is fixedly connected to the middle linkage rod 19 through an axis, a fixed vertical plate 23 is fixed to the lower end of the lower connecting horizontal plate 22, a grinding drive motor 24 is installed at the lower end of one side of the fixed vertical plate 23, a grinding wheel 25 is installed along the output shaft end of the grinding drive motor 24 on the other side of the fixed vertical plate 23, a dust cover 26 is installed along the outside of the grinding wheel 25 at the lower end of the lower connecting horizontal plate 22 for dust prevention, and the dust cover 26 is connected to the lower connecting horizontal plate 22.

[0023] Install the equipment on the CNC machine tool and fix the workpiece to be polished in the fixture of the CNC machine tool.

[0024] The drive motor 3 is adjusted to drive the drive gear 4 to rotate, and the driven rotating member 5 is driven to rotate through the meshing connection relationship between the drive gear 4 and the annular tooth portion 8 on the driven rotating member 5, and the intermediate rotating assembly 9 connected to the driven rotating member 5 through the intermediate rod 10 rotates synchronously, and the grinding drive motor 24 and the grinding wheel 25 installed on the connecting platform 14 of the intermediate rotating assembly 9 rotate synchronously, so that the grinding wheel 25 moves closer to the workpiece to be polished, and the meshing setting of the drive gear 4 and the annular tooth portion 8 on the driven rotating member 5 makes it possible to adjust the contact surface between the grinding wheel 25 and the workpiece, thereby gradually increasing the grinding depth.

[0025] Furthermore, a first through groove 15 and a second through groove 16 are provided on the connecting platform 14. The length of the first through groove 15 is smaller than that of the second through groove 16. A limiting slide groove 17 is provided in the middle of the front and rear end surfaces of the first through groove 15 and in the middle of the inner side of the front and rear end surfaces of the second through groove 16. The lengths of the limiting slide grooves 17 of the first through groove 15 and the second through groove 16 are the same. A limiting slider 18 is provided in the first through groove 15 and the second through groove 16. A sliding bar matching the limiting slide groove 17 is provided on the limiting slider 18 to play a limiting sliding role and ensure that the limiting slider 18 can be in the first through groove 15 or the second through groove 16. A driving cylinder 21 is installed on the outer side of the second through groove 16. The output rod end of the driving cylinder 21 is connected to the corresponding limiting slider 18. The driving cylinder 21 is the simplest driving scheme. It can also be changed to other driving sliding schemes according to the precision requirements. For example, a driving motor drives the threaded rod to rotate, thereby driving the sleeve outside the threaded rod to move, so that the corresponding limiting slider 18 moves. The upper end of the limit slider 18 is connected to the side drive rod 20 through an axial rotation, and the middle of the upper end of the connecting platform 14 is connected to the intermediate linkage rod 19 through an axial rotation. The two side drive rods 20 are centrally symmetrical with the connection point between the connecting platform 14 and the intermediate linkage rod 19 as the center, and the other end of the intermediate linkage rod 19 is connected to the side drive rod 20 through an axial rotation.

[0026] The output rod end of the driving cylinder 21 drives the limit slider 18 connected to it to extend the second through groove 16 to move inward. Due to the axial connection and rotation relationship among the limit slider 18, the intermediate linkage rod 19 and the side driving rod 20, the intermediate linkage rod 19 is driven to rotate, and the lower connecting cross plate 22 fixedly connected to the intermediate linkage rod 19 by the axis is driven to rotate. The grinding wheel 25 moves synchronously to adjust the contact angle with the workpiece to match the grinding work of the outer surfaces of workpieces of different shapes.

[0027] 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. A CNC machine tool grinding device, comprising a mounting plate (1), wherein two mounting plates (1) are provided, and the mounting plates (1) are fixed to a CNC machine tool frame by bolts, wherein: An L-shaped support plate (2) is welded and fixed to the lower end of the outer side of one of the mounting vertical plates (1), an adjustable drive motor (3) is installed on the outer side of the L-shaped support plate (2), a drive gear (4) is installed between the L-shaped support plate (2) and the mounting vertical plate (1) along the output shaft of the adjustable drive motor (3), a driven rotating member (5) is installed on the outer side of one of the mounting vertical plates (1) along the upper end of the drive gear (4), the driven rotating member (5) is composed of a rotating sleeve (6), a connecting rod (7) and an annular tooth portion (8), the connecting rod (7) is located at the front and rear ends of the rotating sleeve (6), the annular tooth portion (8) is located outside the two connecting rods (7), the rotating sleeve (6), the connecting rod (7) and the annular tooth portion (8) are integrally formed, and the annular tooth portion (8) meshes with the drive gear (4), and an intermediate rotating assembly (9) is provided between the two mounting vertical plates (1), and the intermediate rotating assembly (9) and the driven rotating member (5) are connected via an intermediate rod (10) on the intermediate rotating assembly (9).

2. A CNC machine tool grinding device according to claim 1, characterized in that: The intermediate rotating assembly (9) comprises a connecting platform (14), a first through groove (15) and a second through groove (16) are provided on the connecting platform (14), the length of the first through groove (15) is less than the length of the second through groove (16), a limiting slide groove (17) is provided in the middle of the front and rear end surfaces of the first through groove (15) and in the middle of the inner side of the front and rear end surfaces of the second through groove (16), and the lengths of the limiting slide grooves (17) of the first through groove (15) and the second through groove (16) are the same.

3. A CNC machine tool grinding device according to claim 2, characterized in that: A limit slider (18) is arranged in the first through groove (15) and the second through groove (16), and a slide bar matching the limit slider (17) is arranged on the limit slider (18). A driving cylinder (21) is installed on the outer side of the second through groove (16), and the output rod end of the driving cylinder (21) is connected to the corresponding limit slider (18). The upper end of the limit slider (18) is rotatably connected to a side driving rod (20) via an axis, and the middle of the upper end of the connecting platform (14) is rotatably connected to an intermediate linkage rod (19). The two side driving rods (20) are centrally symmetrical with the connection point between the connecting platform (14) and the intermediate linkage rod (19) as the center, and the other end of the intermediate linkage rod (19) is rotatably connected to the side driving rod (20) via an axis.

4. A CNC machine tool grinding device according to claim 3, characterized in that: A lower connecting transverse plate (22) is provided in the middle of the lower end of the connecting platform (14), and the lower connecting transverse plate (22) is fixedly connected to the middle linkage rod (19) via a shaft, a fixed vertical plate (23) is fixed to the lower end of the lower connecting transverse plate (22), a grinding drive motor (24) is mounted at the lower end of one side of the fixed vertical plate (23), and a grinding wheel (25) is mounted along the output shaft end of the grinding drive motor (24) on the other side of the fixed vertical plate (23).

5. A CNC machine tool grinding device according to claim 4, characterized in that: A dust cover (26) is installed at the lower end of the lower connecting transverse plate (22) along the outside of the grinding wheel (25), and the dust cover (26) is connected to the lower connecting transverse plate (22).

6. A CNC machine tool grinding device according to claim 2, characterized in that: Fixed rods (12) are fixed on both sides of the upper end of the connection platform (14), a connecting sleeve (11) is fixed on the other end of the fixed rod (12), an intermediate rod (10) is fixedly connected inside the connecting sleeve (11), and one side of the intermediate rod (10) passes through one of the mounting vertical plates (1) and is fixedly connected to the rotating sleeve (6).

7. A CNC machine tool grinding device according to claim 6, characterized in that: The fixing rod (12) is provided with a weight-reducing groove (13) extending through it.

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