Multi-axis automatic sand blasting and polishing machine for optical mold

By designing a multi-axis optical mold automatic sandblasting polishing machine and adopting a multi-axis adjustment method, the problem of inflexible adjustment of existing equipment on the processing surface is solved, and efficient multi-degree-of-freedom processing and recycling of polishing abrasives is achieved.

CN223130413UActive Publication Date: 2025-07-22广州精点科技有限公司
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Patent Information

Application Number
CN202421744107.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-22
Publication Date
2025-07-22
Estimated Expiration
2034-07-22

AI Technical Summary

Technical Problem

The existing sandblasting and polishing equipment is not flexible enough in the adjustment of the processing surface, especially the problem of complex structure or inability to adjust the angle adjustment.

Method used

A multi-axis optical mold automatic sandblasting polishing machine is designed, including a collection hopper, workbench assembly, polished abrasive lifting system and polished abrasive discharge system. The multi-axis adjustment method is adopted to achieve multi-degree of freedom adjustment of the workpiece through rotating the motor and the track frame, and the polished abrasive can be recycled.

Benefits of technology

It realizes efficient multi-axis adjustment, improves processing speed and accuracy, can meet spherical and aspherical polishing needs, and polished abrasives can be recycled.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a multi-axis automatic sand blasting and polishing machine for an optical mold. The multi-axis automatic sand blasting and polishing machine comprises a collecting hopper, a workbench assembly, a polishing abrasive lifting system and a polishing abrasive ejection system, the polishing abrasive ejection system is used for receiving the polishing abrasive lifted to the upper portion and ejecting the polishing abrasive to the workbench assembly. The working table assembly comprises a working base plate, a first rotating motor is erected on the working base plate and connected with a material receiving bin used for containing workpieces, the material receiving bin inclines towards the throwing-out direction of the polishing abrasive ejection system, and a second rotating motor is arranged below the working base plate and connected with the first rotating motor. The rotating shaft is connected with the working base plate and drives the working base plate to rotate. By utilizing the characteristics, the multi-axis automatic sand blasting and polishing machine for the optical mold has the characteristics of high machining speed, high machining precision, capability of recycling polishing abrasive materials and the like; the material receiving bin for containing the workpieces can achieve autorotation of the machining face and rotary swing of the machining face in the horizontal direction.
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Description

Technical Field

[0001] The utility model relates to the technical field of optical polishing, in particular to a multi-axis optical mold automatic sandblasting and polishing machine.

Background Art

[0002] With the continuous expansion of the market demand for optical consumer products 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. As an important and indispensable link in production, the polishing process has also been upgraded unprecedentedly.

[0003] As is well known, optical lenses must be measured by optical instruments to check whether the 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 processing such as cutting, rounding, rough grinding, fine grinding, polishing, edge grinding, coating, gluing, and inking. After the optical lens is finely ground by the grinding fluid, there is still a thick crack layer on the surface. The method to eliminate this crack layer is polishing.

[0004] The processing surface of the existing sandblasting and polishing equipment has the problem that the adjustment is not flexible enough. It can only achieve the adjustment in the horizontal (X-axis) direction, and there are problems such as complex structure or inability to adjust for the adjustment of the processing angle.

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 reason, the utility model provides a multi-axis optical mold automatic sandblasting and polishing machine, and the technical solution adopted is as follows:

[0006] A multi-axis optical mold automatic sandblasting and polishing machine includes a collecting hopper, and a workbench assembly, a polishing abrasive lifting system, and a polishing abrasive ejection system arranged within the range of the collecting hopper; the polishing abrasive lifting system is used to lift the polishing abrasive from the bottom of the collecting hopper to the upper part; the polishing abrasive ejection system is used to receive the polishing abrasive lifted to the upper part and eject the polishing abrasive towards the workbench assembly; the workbench assembly includes a work base plate, on which a first rotating motor is installed, and a material receiving bin for placing workpieces is connected to the output shaft of the first rotating motor. The material receiving bin is inclined towards the throwing direction of the polishing abrasive ejection system. A second rotating motor is arranged below the work base plate, and the output shaft of the second rotating motor is connected to the work base plate and drives the work base plate to rotate.

[0007] A multi-axis optical mold automatic sandblasting and polishing machine according to an embodiment of the present invention, a track rod is provided above the aggregate hopper, and a track frame, a walking motor and a walking belt are provided on the track rod. The track frame can walk left or right on the track rod under the linkage of the walking motor and the walking belt; the working base plate is arranged on the track frame.

[0008] A multi-axis optical mold automatic sandblasting and polishing machine according to an embodiment of the present invention, a vertical connecting plate is connected to the rear side of the working base plate, and the first rotating motor is erected and connected to the vertical connecting plate; the front end of the first rotating motor is hinged to the upper end of the vertical connecting plate, and the middle part of the first rotating motor is connected to the middle part of the vertical connecting plate through a movable rod.

[0009] A multi-axis optical mold automatic sandblasting and polishing machine according to an embodiment of the present invention, the polishing abrasive ejection system rotates and ejects the polishing abrasive towards the workbench assembly.

[0010] A multi-axis optical mold automatic sandblasting and polishing machine according to an embodiment of the present invention, the polishing abrasive ejection system includes a polishing abrasive spinning wheel and a rotation driving device for driving the polishing abrasive spinning wheel to rotate; an ejection channel is provided on the polishing abrasive spinning wheel, and the ejection channel is used to rotate and eject the polishing abrasive in the polishing abrasive spinning wheel towards the workbench assembly.

[0011] A multi-axis optical mold automatic sandblasting and polishing machine according to an embodiment of the present invention, a limiting frame is provided between the polishing abrasive spinning wheel and the workbench assembly, and a pair of limiting plates are provided below the limiting frame. A limiting space is formed between the pair of limiting plates, and the limiting space is on the trajectory of the ejected polishing abrasive to limit the aerial position of the polishing abrasive.

[0012] A multi-axis optical mold automatic sandblasting and polishing machine according to an embodiment of the present invention, the polishing abrasive lifting system includes a lifting frame, lifting blades arranged around the lifting frame from bottom to top, and a lifting power device. The lifting power device includes a lifting motor, and the lifting motor can drive the lifting blades to rotate around the ring from bottom to top; a lifting bin plate is arranged outside the lifting frame. The lifting bin plate is open at its lower end with a lifting feed port for the polishing abrasive at the lower end of the aggregate hopper to enter the lifting blades, and the lifting bin plate is open at its upper end with a lifting discharge port for the polishing abrasive on the lifting blades to be discharged.

[0013] A multi-axis optical mold automatic sandblasting and polishing machine according to an embodiment of the present invention, a transfer hopper is provided between the polishing abrasive lifting system and the polishing abrasive ejection system. The upper end of the transfer hopper is connected to the lifting discharge port to receive the polishing abrasive lifted to the upper part of the lifting frame. An interface is provided at the upper end of the transfer hopper, and a transfer outlet is provided at the lower end of the transfer hopper for the polishing abrasive therein to fall to the polishing abrasive ejection system under the action of gravity.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] Before use, place the polishing abrasive in the aggregate hopper and place the workpiece to be sandblasted and polished on the material receiving bin; during use, the polishing abrasive lifting system lifts the polishing abrasive at the bottom of the aggregate hopper to the upper part and then sends it to the polishing abrasive ejection system. The polishing abrasive ejection system shoots the polishing abrasive at the workbench assembly to polish the workpiece on the workbench assembly. After ejection, the polishing abrasive will fall into the aggregate hopper and be lifted by the polishing abrasive lifting system again for reuse, with the characteristics of high processing speed, high processing accuracy, and recyclability of the polishing abrasive; the material receiving bin for placing the workpiece can be driven by a first rotating motor to rotate the processing surface, and can be driven by a second rotating motor to rotate the work base plate horizontally to realize the swing of the processing surface in the horizontal direction, realizing multi-axis adjustment.

Description of the Drawings

[0016] The above and / or additional aspects and advantages of the present invention will become obvious and easy to understand from the following description of the embodiments in conjunction with the accompanying drawings, where:

[0017] Figure 1 is a schematic structural diagram of an embodiment of the present invention Figure 1 ;

[0018] Figure 2 is a schematic structural diagram of an embodiment of the present invention Figure 2 ;

[0019] Figure 3 is a schematic structural diagram of an embodiment of the present invention Figure 3 ;

[0020] Figure 4 is a schematic structural diagram of the workbench assembly and the limit frame in an embodiment of the present invention;

[0021] Figure 5 is a schematic structural diagram of the workbench assembly in an embodiment of the present invention Figure 1 ;

[0022] Figure 6 is a schematic structural diagram of the workbench assembly in an embodiment of the present invention Figure 2 ;

[0023] Figure 7 Structural schematic diagram of the embodiment of the present utility model Figure 4 .

[0024] Description of main component symbols:

[0025] 10. Aggregate hopper; 20. Polishing abrasive injection wheel; 30. Outlet channel; 40. Working base plate; 41. Vertical connecting plate; 42. Movable rod; 50. First rotating motor; 60. Second rotating motor; 70. Limiting frame; 71. Limiting plate; 80. Lifting blade; 81. Lifting motor; 82. Lifting bin plate; 83. Lifting feed inlet; 84. Lifting discharge outlet; 90. Transfer hopper; 91. Receiving interface; 92. Transfer outlet; 100. Track rod; 101. Material receiving bin; 110. Track frame; 111. Traveling motor; 112. Traveling belt.

Specific implementation manner

[0026] The embodiments of the present utility model will be described in detail below. The illustrated embodiments are shown in the accompanying 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. The positions of the product components shown in the drawings can be changed, the quantity can be increased, or the structure can be simplified.

[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; 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 the specific situation and can obtain different implementation modes by screwing, riveting, welding, clamping, embedding, etc. in a suitable manner for substitution.

[0029] The orientation words such as upper, lower, left, right, top, bottom, etc. described in the specification and the orientation shown in the drawings, each component can be in direct contact or in contact through other features between them; for example, above can be directly above or obliquely above, or it only means higher than other objects; the same can be analogously understood 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 synthetic 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 combine the selection according to different processing conditions, costs, and precisions, but are not limited to the above materials and manufacturing processes.

[0031] The utility model provides a multi-axis optical mold automatic sandblasting and polishing machine. As Figures 1 to 7 shown, it includes an aggregate hopper 10, a workbench assembly, a polishing abrasive lifting system, and a polishing abrasive ejection system arranged within the range of the aggregate hopper 10. The polishing abrasive lifting system is used to lift the polishing abrasive from the bottom of the aggregate hopper 10 to the upper part. The polishing abrasive ejection system is used to receive the polishing abrasive lifted to the upper part and eject the polishing abrasive towards the workbench assembly. The workbench assembly includes a work base plate 40, on which a first rotating motor 50 is mounted. A material receiving bin for placing workpieces is connected to the output shaft of the first rotating motor 50. The material receiving bin is inclined towards the ejection direction of the polishing abrasive ejection system. A second rotating motor 60 is arranged below the work base plate 40. The output shaft of the second rotating motor 60 is connected to the work base plate 40 and drives the work base plate 40 to rotate.

[0032] Before use, place the polishing abrasive in the aggregate hopper 10 and place the workpiece to be sandblasted and polished on the material receiving bin. During use, the polishing abrasive lifting system lifts the polishing abrasive at the bottom of the aggregate hopper 10 to the upper part and then sends it to the polishing abrasive ejection system. The polishing abrasive ejection system ejects the polishing abrasive towards the workbench assembly to polish the workpiece on the workbench assembly. After ejection, the polishing abrasive will fall into the aggregate hopper 10 and be lifted up again by the polishing abrasive lifting system for reuse. It has the characteristics of high processing speed, high processing accuracy, and the polishing abrasive can be recycled. The material receiving bin for placing the workpiece can be driven by the first rotating motor 50 to realize the self-rotation of the processing surface, and the work base plate 40 can be driven by the second rotating motor 60 to rotate horizontally to realize the horizontal swing of the processing surface.

[0033] Furthermore, in some embodiments of the present utility model application, as Figure 1 、 3 、shown in Figure 4, an orbital rod 100 is provided at the upper part of the aggregate hopper 10. An orbital frame 110, a traveling motor 111, and a traveling belt 112 are provided on the orbital rod 100. The orbital frame 110 can travel left or right on the orbital rod 100 under the linkage of the traveling motor 111 and the traveling belt 112. The work base plate 40 is arranged on the orbital frame. In this way, the left and right adjustment of the processing surface in the horizontal direction is realized through the traveling of the orbital frame 110 on the orbital rod 100.

[0034] In the present utility model, the movement of the track frame 110 on the track rod 100 realizes the left - right adjustment in the X - axis direction. Coupled with the rotation of the processing surface and the swing of the processing surface in the horizontal direction, the adjustment of multiple axes and multiple degrees of freedom is achieved, which can meet the needs of spherical and aspherical polishing and free - form surface polishing of workpieces. Moreover, during the processing, special gloves for sandblasting can be worn, and the workpiece can be held by hand according to needs for free - form surface processing, which is convenient and practical.

[0035] Further, in some embodiments of the present utility model application, such as Figure 4 、 5 As shown in FIG. 6, a vertical connecting plate 41 is connected to the rear side of the working base plate 40, and the first rotating motor 50 is mounted and connected to the vertical connecting plate 41; the front end of the first rotating motor 50 is hinged to the upper end of the vertical connecting plate 41, and the middle part of the first rotating motor 50 is connected to the middle part of the vertical connecting plate 41 through a movable rod 42. During use, the height adjustment of the middle part of the first rotating motor 50 can be adjusted by adjusting the length of the movable rod 42, thereby realizing the up - and - down swing adjustment of the processing surface.

[0036] Further, in some embodiments of the present utility model application, such as Figure 2 、 3 As shown in FIG. 7, the polishing abrasive ejection system rotates and ejects the polishing abrasive towards the workbench assembly. Specifically, the polishing abrasive ejection system includes a polishing abrasive rotating ejection wheel 20 and a rotating driving device for driving the polishing abrasive rotating ejection wheel 20 to rotate; an ejection channel 30 is provided on the polishing abrasive rotating ejection wheel 20, and the ejection channel 30 is used to rotate and eject the polishing abrasive in the polishing abrasive rotating ejection wheel 20 towards the workbench assembly. During use, the rotating driving device drives the polishing abrasive rotating ejection wheel 20 to rotate, so that the polishing abrasive therein can be ejected through the ejection channel 30 towards the workbench assembly to polish the workpiece at the workbench assembly.

[0037] Further, in some embodiments of the present utility model application, such as Figure 1 、 5 As shown in FIG., a limiting frame 70 is provided between the polishing abrasive ejection opening of the polishing abrasive rotating ejection wheel 20 and the workbench assembly. A pair of limiting plates 71 are provided below the limiting frame 70, and a limiting space is formed between the pair of limiting plates 71. The limiting space is on the polishing abrasive ejection trajectory of the polishing abrasive ejection opening to limit the aerial position of the polishing abrasive. The limiting space formed by the limiting between the limiting plates 71 is on the ejection trajectory of the polishing abrasive, generally at the front end of the polishing abrasive ejection opening, which plays a role in limiting the flight trajectory of the polishing abrasive to prevent it from flying to the side due to incorrect ejection angle.

[0038] Further, in some embodiments of the present utility model application, such asFigure 1 , 2 As shown in Figure 3, the polishing abrasive lifting system includes a lifting frame, lifting blades 80 arranged around the lifting frame from bottom to top, and a lifting power device. The lifting power device includes a lifting motor 81, and the lifting motor 81 can drive the lifting blades 80 to rotate in a loop from bottom to top. A lifting bin plate 82 is arranged outside the lifting frame. The lifting bin plate 82 has a lifting feed port 83 at its lower end for the polishing abrasive at the lower end of the aggregate hopper 10 to enter the lifting blades 80, and a lifting discharge port 84 at its upper end for the polishing abrasive on the lifting blades 80 to be discharged.

[0039] Further, in some embodiments of the present utility model application, as Figure 1 , 2 As shown in Figure 3, a transfer hopper 90 is provided between the polishing abrasive lifting system and the polishing abrasive ejection system. The upper end of the transfer hopper 90 is connected to the lifting discharge port 84 to receive the polishing abrasive lifted to the upper part of the lifting frame. A receiving port 91 is provided at the upper end of the transfer hopper 90, and a transfer outlet 92 is provided at the lower end of the transfer hopper 90 for the polishing abrasive therein to fall to the polishing abrasive ejection system under the action of gravity. The polishing abrasive is transferred between the polishing abrasive lifting system and the polishing abrasive ejection system through the transfer hopper 90 and sent to the blanking space inside the inner ring of the polishing abrasive spinning wheel 20.

[0040] Although the present utility model has been described in detail with reference to the above embodiments, it is obvious to those skilled in the art through the present disclosure that various changes or modifications can be made to the present utility model without departing from the principle and spirit scope of the present utility model defined by the claims. Therefore, the detailed description of the embodiments of the present disclosure is only used to explain, rather than to limit the present utility model, and the scope of protection is defined by the content of the claims.

Claims

1. An automatic sandblasting and polishing machine for multi-axis optical molds, characterized in that, It includes an aggregate hopper (10), a workbench assembly, a polishing abrasive lifting system, and a polishing abrasive ejection system arranged within the range of the aggregate hopper (10); the polishing abrasive lifting system is used to lift the polishing abrasive from the bottom of the aggregate hopper (10) to the upper part; the polishing abrasive ejection system is used to receive the polishing abrasive lifted to the upper part and eject the polishing abrasive towards the workbench assembly; the workbench assembly includes a work base plate (40), on which a first rotating motor (50) is installed, and a material receiving bin for placing workpieces is connected to the output shaft of the first rotating motor (50), the material receiving bin is inclined towards the throwing direction of the polishing abrasive ejection system, and a second rotating motor (60) is arranged below the work base plate (40), and the output shaft of the second rotating motor (60) is connected to the work base plate (40) and drives the work base plate (40) to rotate.

2. The multi-axis optical mold automatic sandblasting and polishing machine according to claim 1, characterized in that, An orbital rod (100) is provided at the upper part of the aggregate hopper (10), and an orbital frame (110), a traveling motor (111), and a traveling belt (112) are provided on the orbital rod (100), and the orbital frame can travel left or right on the orbital rod (100) under the linkage of the traveling motor (111) and the traveling belt (112); the work base plate (40) is arranged on the orbital frame (110).

3. A multi-axis optical mold automatic sandblasting and polishing machine according to claim 1, characterized in that, A vertical connecting plate (41) is connected to the rear side of the work base plate (40), and the first rotating motor (50) is installed and connected to the vertical connecting plate (41); the front end of the first rotating motor (50) is hinged to the upper end of the vertical connecting plate (41), and the middle part of the first rotating motor (50) is connected to the middle part of the vertical connecting plate (41) through a movable rod (42).

4. A multi-axis optical mold automatic sandblasting and polishing machine according to claim 1, characterized in that, The polishing abrasive ejection system rotates and throws out the polishing abrasive towards the workbench assembly.

5. The automatic sandblasting and polishing machine for multi-axis optical molds according to claim 2, wherein, The polishing abrasive ejection system includes a polishing abrasive spinning wheel (20) and a rotation driving device for driving the polishing abrasive spinning wheel (20) to rotate; an ejection channel (30) is provided on the polishing abrasive spinning wheel (20), and the ejection channel (30) is used to rotate and throw out the polishing abrasive in the polishing abrasive spinning wheel (20) towards the direction of the workbench assembly.

6. The multi-axis optical mold automatic sandblasting and polishing machine according to claim 5, wherein, A limiting frame (70) is arranged between the polishing abrasive spinning wheel (20) and the workbench assembly, and a pair of limiting plates (71) are arranged below the limiting frame (70), and a limiting space is formed between the pair of limiting plates (71), and the limiting space is on the throwing trajectory of the polishing abrasive to limit the aerial position of the polishing abrasive.

7. A multi-axis optical mold automatic sandblasting and polishing machine according to claim 1, characterized in that, The polishing abrasive lifting system includes a lifting frame, lifting blades (80) arranged around the lifting frame from bottom to top, and a lifting power device. The lifting power device includes a lifting motor (81), and the lifting motor (81) can drive the lifting blades (80) to rotate around the loop from bottom to top. A lifting bin plate (82) is arranged outside the lifting frame. The lifting bin plate (82) is open at its lower end with a lifting feed port (83) for the polishing abrasive at the lower end of the aggregate hopper (10) to enter the lifting blades (80), and the lifting bin plate (82) is open at its upper end with a lifting discharge port (84) for discharging the polishing abrasive on the lifting blades (80).

8. A multi-axis optical mold automatic sandblasting and polishing machine according to claim 7, characterized in that, A transfer hopper (90) is provided between the polishing abrasive lifting system and the polishing abrasive ejection system. The upper end of the transfer hopper (90) is connected to the lifting discharge port (84) for receiving the polishing abrasive lifted to the upper part of the lifting frame. A receiving port (91) is opened at the upper end of the transfer hopper (90), and a transfer outlet (92) is opened at the lower end of the transfer hopper (90) for the polishing abrasive therein to fall by gravity to the polishing abrasive ejection system.