Five-axis grinding machine tool

Abstract

The utility model provides a five-axis grinding machine tool which comprises a machine cabinet and an electric control cabinet, a grinding bin is arranged in the machine cabinet, a grinding machine base is arranged in the grinding bin, a grinding main shaft is arranged on the grinding machine base, a grinding head is arranged at the front end of the grinding main shaft, and the grinding main shaft is used for driving the grinding head to rotate. The grinding machine base is used for driving the grinding main shaft to rotate on the grinding machine base, and a first movement mechanism used for driving the grinding machine base to do linear movement in the X-axis direction is arranged below the grinding main shaft. The machining machine base is arranged on the opposite side of the grinding machine base, the second movement mechanism used for driving the machining machine base to do linear movement in the Z-axis direction is arranged behind the machining machine base, the grinding machine base drives the grinding wheel to rotate and swing in the plane direction, and therefore the grinding wheel and a machined workpiece can conduct multi-degree-of-freedom grinding operation according to the machining requirement, the degree of freedom is high, and the machining efficiency is improved. And curved surface and non-curved surface grinding machining can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of optical processing, in particular to a five-axis grinding machine tool.

Background Art

[0002] With the continuous expansion of the market demand for optical consumer goods such as cameras, video cameras, drones, projectors, etc., and the gradual popularization of liquid crystal displays and touch-screen mobile phones, the optical glass processing industry has also been developing day by day.

[0003] As is well known, optical lenses must be measured by optical instruments to check whether their purity, transparency, uniformity, refractive index and dispersion rate meet the specifications. Qualified glass blocks are heated and forged into optical lens blanks. Optical glass substrates usually go through processes such as cutting, rounding, rough grinding, fine grinding, polishing, edge grinding, coating, gluing, and inking. The surface of the optical lens can be ground to ensure that its surface roughness and topography meet the design requirements, improve the transmittance and performance of optical devices. Through precision grinding, a high-quality lens surface and shape accuracy can be obtained, and grinding processing plays an important role in the lens processing process.

[0004] At present, the movements of grinding machine tools are relatively simple and cannot meet the needs of multi-degree-of-freedom lens grinding processing. In view of the above problems, the utility model proposes a new technical solution.

Content of the Utility Model

[0005] The utility model aims to solve at least one of the technical problems existing in the prior art. For this purpose, the utility model provides a five-axis grinding machine tool, and the technical solution adopted is as follows:

[0006] A five-axis grinding machine tool includes a cabinet and an electric control cabinet. A grinding processing chamber is arranged in the cabinet. A grinding machine base is arranged in the grinding processing chamber. A grinding main shaft is arranged on the grinding machine base. A grinding head is arranged at the front end of the grinding main shaft. The grinding main shaft is used to drive the grinding head to rotate for grinding operations. The grinding machine base is used to drive the grinding main shaft thereon to rotate on the grinding machine base. A first motion mechanism is arranged below the grinding main shaft. The first motion mechanism is used to drive the grinding machine base to perform a linear motion along the X-axis direction; A processing machine base is arranged on the opposite side of the grinding machine base. A second motion mechanism is arranged behind the processing machine base. The second motion mechanism is used to drive the processing machine base to perform a linear motion along the Z-axis direction. A third motion mechanism is arranged below the processing machine base. The third motion mechanism is used to drive the processing machine base and the second motion mechanism to perform a linear motion along the Y-axis direction. A processing main shaft is arranged on the processing machine base. The end of the processing main shaft facing the grinding machine base is used to position the processed workpiece.

[0007] A five-axis grinding machine tool according to an embodiment of the present utility model, a negative pressure area is provided at the end of the processing spindle, and negative pressure holes are provided in the negative pressure area.

[0008] A five-axis grinding machine tool according to an embodiment of the present utility model, a fixed area is provided on the outer periphery of the negative pressure area at the end of the processing spindle, and the processing spindle can control the negative pressure area to extend forward relative to the fixed area, or retract to be flush with the fixed area.

[0009] A five-axis grinding machine tool according to an embodiment of the present utility model, the grinding machine base includes a grinding base and a rotating plane provided on the grinding base, a rotating motor is provided on the grinding base, and a rotating component for linking the rotating motor and the rotating plane, and the grinding spindle is provided on the rotating plane.

[0010] A five-axis grinding machine tool according to an embodiment of the present utility model, the grinding head is a grinding wheel.

[0011] A five-axis grinding machine tool according to an embodiment of the present utility model, the first motion mechanism includes a first sliding seat, a first sliding block is provided in the first sliding seat, and the first sliding block makes a linear motion on the first sliding seat through a lead screw assembly.

[0012] A five-axis grinding machine tool according to an embodiment of the present utility model, the second motion mechanism includes an upright sliding seat and a driving motor provided on the upright sliding seat, and the processing machine base is slidably provided in front of the upright sliding seat and can make a linear up and down movement on the upright sliding seat driven by the driving motor.

[0013] A five-axis grinding machine tool according to an embodiment of the present utility model, the third motion mechanism includes a third base, a seat plate provided on the third base, and a driving device for driving the seat plate to make a linear motion on the third base; the processing machine base and the second motion mechanism are provided on the seat plate.

[0014] A five-axis grinding machine tool according to an embodiment of the present utility model, it further includes a grinding water spraying, recycling and circulating system, and the grinding water spraying, recycling and circulating system includes a grinding water spraying mechanism, a grinding water recycling mechanism provided in the cabinet, and a grinding water filtering and circulating mechanism provided outside the cabinet.

[0015] A five-axis grinding machine tool according to an embodiment of the present utility model, a water baffle is provided in the cabinet, and there are a pair of water baffles which are respectively arranged on both sides of the end of the processing spindle facing the grinding machine base.

[0016] Compared with the prior art, the beneficial effects of the present utility model are:

[0017] Before use, the workpiece to be processed is adsorbed or clamped on the processing spindle to limit the processing spindle. During the grinding operation, the grinding spindle drives the grinding wheel to rotate for the grinding operation. The first motion mechanism, the second motion mechanism, and the third motion mechanism drive the grinding wheel and the workpiece to linearly move and cooperate in the X-axis, Y-axis, and Z-axis directions. The grinding machine base drives the grinding wheel to rotate and swing in the plane direction. In this way, the grinding wheel and the workpiece perform multi-degree-of-freedom grinding operations according to the processing requirements, with high degrees of freedom, and can achieve curved surface and non-curved surface grinding processing.

Description of the Drawings

[0018] The above and / or additional aspects and advantages of the present utility model will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 is a three-dimensional schematic diagram of an embodiment of the present utility model;

[0020] Figure 2 is a structural schematic Figure 1 ;

[0021] Figure 3 is Figure 2 an enlarged view of part A in

[0022] Figure 4 is a structural schematic Figure 2 ;

[0023] Figure 5 is Figure 4 an enlarged view of part B in

[0024] Main element symbol description:

[0025] 10, cabinet; 20, electric control cabinet; 30, grinding processing chamber; 40, grinding machine base; 41, grinding base; 42, rotating plane; 50, grinding spindle; 51, grinding head; 60, first motion mechanism; 61, first sliding seat; 62, first sliding block; 70, second motion mechanism; 71, upright sliding seat; 72, driving motor; 80, third motion mechanism; 81, third base; 82, seat plate; 90, processing spindle; 91, negative pressure area; 92, negative pressure hole; 93, fixed area; 100, water baffle; 110, processing machine base; 120, grinding water filtration and circulation mechanism.

Specific Embodiments

[0026] The following details the embodiments of the present utility model. The described embodiments are illustrated in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout.

[0027] The orientation shown in the drawings should not be construed as limiting the specific protection scope of the present utility model. It is only for reference and understanding of the preferred embodiments. Changes in the positions of the product components shown in the drawings, increases in the quantity, or simplifications of the structures are possible.

[0028] The "connection" described in the specification and the "connection" relationship between the components shown in the drawings can be understood as fixedly connected, detachably connected, or integrally formed connections; it can be directly connected or connected through an intermediate medium. Those of ordinary skill in the art can understand the connection relationship according to specific circumstances and can obtain methods such as screwing, riveting, welding, clamping, or embedding to substitute different implementation manners in a suitable way.

[0029] For the orientation terms such as upper, lower, left, right, top, bottom, etc. described in the specification and the orientation shown in the drawings, the components can be in direct contact or in contact through other features between them; for example, being above can mean directly above or obliquely above, or it only means higher than other objects; similar understandings can also be made for other orientations.

[0030] The manufacturing materials of the components with solid shapes shown in the specification and the drawings can be metal materials, non-metal materials, or other composite materials; the machining processes for the components with solid shapes can be stamping, forging, wire cutting, laser cutting, casting, injection molding, numerical milling, 3D printing, machining, etc.; those of ordinary skill in the art can adaptively select or select in combination according to different processing conditions, costs, and precisions, but are not limited to the above materials and manufacturing processes.

[0031] The present utility model provides a five-axis grinding machine tool, as Figures 1 to 5As shown in the figure, it includes an organic cabinet 10, an electric control cabinet 20, and a grinding water injection recovery and circulation system. Inside the cabinet 10, there is a grinding processing chamber 30. Inside the grinding processing chamber 30, there is a grinding machine base 40. On the grinding machine base 40, there is a grinding spindle 50. At the front end of the grinding spindle 50, there is a grinding head 51. The grinding head 51 is a grinding wheel. The grinding spindle 50 is used to drive the grinding head 51 to rotate for grinding operations. The grinding machine base 40 is used to drive the grinding spindle 50 thereon to rotate on the grinding machine base 40. Below the grinding spindle 50, there is a first motion mechanism 60. The first motion mechanism 60 is used to drive the grinding machine base 40 to perform a linear motion along the X-axis direction. On the opposite side of the grinding machine base 40, there is a processing machine base 110. Behind the processing machine base 110, there is a second motion mechanism 70. The second motion mechanism 70 is used to drive the processing machine base 110 to perform a linear motion along the Z-axis direction. Below the processing machine base 110, there is a third motion mechanism 80. The third motion mechanism 80 is used to drive the processing machine base 110 and the second motion mechanism 70 to perform a linear motion along the Y-axis direction. On the processing machine base 110, there is a processing spindle 90. The end of the processing spindle 90 facing the grinding machine base 40 is used to position and process the workpiece. The grinding water injection recovery and circulation system includes a grinding water injection mechanism, a grinding water recovery mechanism provided inside the cabinet 10, and a grinding water filtration and circulation mechanism 120 provided outside the cabinet 10.

[0032] Before use, the workpiece to be processed is adsorbed or clamped on the processing spindle 90 to position the processing spindle 90. During the grinding operation, the grinding spindle 50 drives the grinding wheel to rotate for grinding operations. The first motion mechanism 60, the second motion mechanism 70, and the third motion mechanism 80 drive the grinding wheel and the processed workpiece to perform linear motion cooperation in the X-axis, Y-axis, and Z-axis directions. The grinding machine base 40 drives the grinding wheel to rotate and swing in the plane direction. In this way, the grinding wheel and the processed workpiece perform multi-degree-of-freedom grinding operations according to the processing requirements, with a high degree of freedom, and can realize curved surface and non-curved surface grinding processing. During the grinding process, the grinding water injection mechanism sprays water on the processed workpiece, playing a role in cooling, lubricating, and cleaning. The sprayed water is recovered by the grinding water recovery mechanism to the grinding water filtration and circulation mechanism for filtration. After being filtered clean, it is supplied to the grinding water injection mechanism again to complete the injection, recovery, filtration, and circulation of the grinding water.

[0033] Further, in some embodiments of the present utility model application, such as Figure 3 , 5 As shown in the figure, a negative pressure area 91 is provided at the end of the processing spindle 90. Inside the negative pressure area 91, there are negative pressure holes 92. In the embodiment, the processed workpiece is negatively adsorbed on the end of the processing spindle 90.

[0034] In order to further improve the processing freedom, further, in some embodiments of the present utility model application, such asFigure 3 , 5 As shown in 5 , a fixed area 93 is provided on the outer periphery of the end of the processing spindle 90 in the negative pressure area 91. The processing spindle 90 can control the negative pressure area 91 to extend forward relative to the fixed area 93, or retract to be flush with the fixed area 93. When machining the edge of the workpiece to be machined, the processing spindle 90 controls the negative pressure area 91 to extend forward, so that the grinding wheel can extend to the outside of the negative pressure area 91 to machine the edge of the workpiece to be machined.

[0035] Furthermore, in some embodiments of the present utility model application, as Figures 2 to 5 shown in Figures 2 to 5 , the grinding machine base 40 includes a grinding base 41 and a rotating plane 42 provided on the grinding base 41. A rotating motor is provided on the grinding base 41, and a rotating component for linking the rotating motor and the rotating plane. The grinding spindle 50 is provided on the rotating plane. In the embodiment, the rotating component is in the mode of a gear set to achieve precision-degree rotation.

[0036] Furthermore, in some embodiments of the present utility model application, as Figures 4 to 5 shown in Figures 4 to 5 , the first motion mechanism 60 includes a first sliding seat 61. A first sliding block 62 is provided in the first sliding seat. The first sliding block 62 makes a linear motion on the first sliding seat 61 through a lead screw assembly. The first motion mechanism 60 further includes a lead screw driving device that drives the lead screw to move and drives the first sliding block 62 to make a linear motion on the first sliding seat 61.

[0037] Furthermore, in some embodiments of the present utility model application, as Figures 4 to 5 shown in Figures 4 to 5 , the second motion mechanism 70 includes an upright sliding seat 71 and a driving motor 72 provided on the upright sliding seat 71. The processing machine base 110 is slidably provided in front of the upright sliding seat 71 and can make a linear up-and-down movement on the upright sliding seat 71 driven by the driving motor 72.

[0038] Furthermore, in some embodiments of the present utility model application, as Figures 4 to 5 shown in Figures 4 to 5 , the third motion mechanism 80 includes a third base 81, a seat plate 82 provided on the third base 81, and a driving device for driving the seat plate 82 to make a linear motion on the third base 81; the processing machine base 110 and the second motion mechanism 70 are provided on the seat plate 82.

[0039] In order to prevent the grinding water from splashing when the grinding water spraying mechanism is working, furthermore, in some embodiments of the present utility model application, as Figures 2 to 5 shown in Figures 2 to 5 , a water baffle is provided in the cabinet 10. There are a pair of water baffles and they are respectively arranged on both sides of the end of the processing spindle 90 facing the grinding machine base 40.

[0040] Although the present utility model has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art from this disclosure that various changes or modifications can be made to the present utility model without departing from the principles and spirit scope of the present utility model defined by the claims. Therefore, the detailed description of the embodiments of this disclosure is only for explanation and not for limiting the present utility model, but the scope of protection is defined by the content of the claims.

Claims

1. A five-axis grinding machine tool, characterized in that: The invention comprises a cabinet (10) and an electric control cabinet (20), wherein a grinding chamber (30) is arranged in the cabinet (10), a grinding machine base (40) is arranged in the grinding chamber (30), a grinding spindle (50) is arranged on the grinding machine base (40), a grinding head (51) is arranged at the front end of the grinding spindle (50), the grinding spindle (50) is used to drive the grinding head (51) to rotate for grinding operation, the grinding machine base (40) is used to drive the grinding spindle (50) thereon to rotate on the grinding machine base (40), and a first motion mechanism (60) is arranged below the grinding spindle (50), the first motion mechanism (60) is used to drive the grinding machine base (40) to rotate along the grinding axis. The processing machine base (110) is provided on the opposite side of the grinding machine base (40), and a second motion mechanism (70) is provided behind the processing machine base (110). The second motion mechanism (70) is used to drive the processing machine base (110) to perform linear motion along the Z axis. A third motion mechanism (80) is provided below the processing machine base (110). The third motion mechanism (80) is used to drive the processing machine base (110) and the second motion mechanism (70) to perform linear motion along the Y axis. A processing spindle (90) is provided on the processing machine base (110). The end of the processing spindle (90) facing the grinding machine base (40) is used to limit the processing workpiece.

2. A five-axis grinding machine tool according to claim 1, characterized in that: A negative pressure area (91) is provided at the end of the machining spindle (90), and a negative pressure hole (92) is provided in the negative pressure area (91).

3. The five-axis grinding machine tool according to claim 2, characterized in that: The end of the machining spindle (90) is provided with a fixed area (93) on the periphery of the negative pressure area (91), and the machining spindle (90) can control the negative pressure area (91) to extend forward relative to the fixed area (93), or to retract to be flush with the fixed area (93).

4. The five-axis grinding machine tool according to claim 1, characterized in that: The grinding machine base (40) comprises a grinding base (41) and a rotating plane (42) arranged on the grinding base (41); a rotating motor and a rotating assembly linking the rotating motor and the rotating plane (42) are arranged on the grinding base (41); and the grinding spindle (50) is arranged on the rotating plane (42).

5. The five-axis grinding machine tool according to claim 1, characterized in that: The grinding head (51) is a grinding wheel.

6. The five-axis grinding machine tool according to claim 1, characterized in that: The first motion mechanism (60) comprises a first sliding seat (61), a first sliding block (62) is arranged inside the first sliding seat (61), and the first sliding block (62) performs linear motion on the first sliding seat (61) through a screw rod assembly.

7. The five-axis grinding machine tool according to claim 1, characterized in that: The second motion mechanism (70) includes an upright sliding seat (71) and a driving motor (72) disposed on the upright sliding seat (71); the processing machine seat (110) is slidably disposed in front of the upright sliding seat (71) and can move linearly up and down on the upright sliding seat (71) driven by the driving motor (72).

8. The five-axis grinding machine tool according to claim 1, characterized in that: The third motion mechanism (80) includes a third base (81), a seat plate (82) arranged on the third base (81), and a driving device for driving the seat plate (82) to perform linear motion on the third base (81); the processing machine base (110) and the second motion mechanism (70) are arranged on the seat plate (82).

9. The five-axis grinding machine tool according to claim 1, characterized in that: It also includes a grinding water jetting and recycling system, which includes a grinding water jetting mechanism and a grinding water recycling mechanism arranged in the cabinet (10), and a grinding water filtering and recycling mechanism (120) arranged outside the cabinet (10).

10. The five-axis grinding machine tool according to claim 1, characterized in that: A water baffle (100) is arranged in the cabinet (10), and a pair of the water baffles (100) are arranged on both sides of the end of the machining spindle (90) facing the grinding machine seat (40).

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