CNC machining grinding head structure

Abstract

The utility model discloses a CNC machining grinding head structure and aims to solve the problems that in the prior art, existing glass edge grinding equipment usually depends on a single grinding head for machining, consequently, the grinding head needs to be replaced frequently in the coarse grinding and fine grinding processes, operation complexity is increased, production efficiency is reduced, and production cost is lowered. The grinding head comprises a grinding head handle and a grinding head base disc fixedly connected with the grinding head handle. The grinding head base disc comprises a first fine trimming grinding groove, a second fine trimming grinding groove, a first gelatinous layer, a first roughing grinding face, a second gelatinous layer, a third fine trimming grinding groove and a tool nose grinding head from top to bottom. The tool nose grinding head comprises a third gelatinous layer, a second roughing grinding surface and a hemispherical grinding ball from top to bottom; the first gelatinous layer, the second gelatinous layer and the third gelatinous layer are all in a V-shaped groove shape and are respectively provided with sand grains with different sand numbers.

Description

Technical Field

[0001] The utility model relates to the technical field of glass processing, in particular to a CNC processing grinding head structure. Background Art

[0002] Existing glass edge grinding equipment usually relies on a single grinding head for processing, which leads to frequent replacement of the grinding head during rough grinding and fine grinding, increasing the complexity of operation and reducing production efficiency. At the same time, it is easy to make mistakes during the manual replacement of the grinding head, especially in the case of multiple replacements, the probability of making mistakes increases accordingly, which not only affects the quality and qualification rate of products, but also brings unnecessary troubles to production. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a CNC processing grinding head structure to solve the problems raised in the above background art.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A CNC processing grinding head structure includes a grinding head shank and a grinding head base plate fixedly connected to the grinding head shank; the grinding head base plate includes, from top to bottom, a first fine grinding groove, a second fine grinding groove, a first glue layer, a first rough grinding surface, a second glue layer, a third fine grinding groove and a tip grinding head; the tip grinding head includes, from top to bottom, a third glue layer, a second rough grinding surface and a hemispherical grinding ball; chamfers are provided on the side walls of the bottom surfaces of the first fine grinding groove, the second fine grinding groove and the third fine grinding groove; the first glue layer, the second glue layer and the third glue layer are all in a V-shaped groove shape, and different grit sizes of abrasive grains are respectively provided on the three.

[0006] Preferably, the grinding head shank is adhered with a grinding strip through a fourth glue layer to meet the requirements of rough grinding processing.

[0007] Preferably, the grinding strip includes a metal wire grinding layer to meet different processing requirements.

[0008] Preferably, the first glue layer, the second glue layer and the third glue layer respectively include an epoxy resin glue layer or a silica gel layer, which has low cost and good use effect.

[0009] Preferably, the thicknesses of the first glue layer, the second glue layer and the third glue layer are all 4-6 mm to meet the processing requirements.

[0010] Preferably, the surface of the hemispherical grinding ball is plated with diamond abrasive, and the arc edge effect is good.

[0011] Preferably, a cooling circular groove is provided at the bottom of the hemispherical grinding ball to improve the cooling effect and increase the service life.

[0012] Compared with the prior art, a CNC machining grinding head structure of the present application has the following beneficial effects:

[0013] The utility model can utilize the roughing and grinding surface to perform rough grinding and forming of the glass outer shape without stopping the machine to replace the grinding head; utilize the first fine grinding groove and the second fine grinding groove to perform secondary fine grinding, fine grinding and chamfering processing; utilize the first glue layer, the second glue layer and the third glue layer to fill sand grains of different grit sizes to process the platform surface and non-platform surface of the product; utilize the hemispherical grinding ball to perform arc edge processing; save the time for technicians to replace the grinding head, facilitate the CNC machining of products, reduce the processes, and improve the machining efficiency and product quality. Description of the Drawings

[0014] Figure 1 It is a schematic structural diagram of an embodiment of the utility model;

[0015] Figure 2 It is a schematic structural diagram of the hemispherical grinding ball in the embodiment of the utility model.

[0016] Reference numerals: 1, grinding head shank; 2, first fine grinding groove; 3, second fine grinding groove; 4, first glue layer; 5, first roughing and grinding surface; 6, second glue layer; 7, third fine grinding groove; 8, third glue layer; 9, second roughing and grinding surface; 10, hemispherical grinding ball; 11, cooling circular groove; 12, chamfer; 13, grinding strip. Detailed Description of the Embodiment

[0017] The following is a further detailed description through specific embodiments:

[0018] Embodiment 1

[0019] As Figure 1-2As shown in the figure, this embodiment shows a CNC machining grinding head structure, which includes a grinding head shank 1 and a grinding head base plate fixedly connected to the grinding head shank 1; the grinding head base plate includes, from top to bottom, a first fine grinding groove 2, a second fine grinding groove 3, a first glue layer 4, a first rough grinding surface 5, a second glue layer 6, a third fine grinding groove 7 and a tip grinding head; the tip grinding head includes, from top to bottom, a third glue layer 8, a second rough grinding surface 9 and a hemispherical grinding ball 10, and the hemispherical grinding ball 10 is used for arc edge machining; chamfers 12 are provided on the side walls of the bottom surfaces of the first fine grinding groove 2, the second fine grinding groove 3 and the third fine grinding groove 7 for chamfering machining; the first glue layer 4, the second glue layer 6 and the third glue layer 8 are all in the shape of a V-shaped groove, and different grits are provided on the three respectively to meet various processing requirements. Specifically, the processing machine is prepared as follows: put the abrasive powder into the product processing part, connect the grinding head shank 1 to the machine, apply a pressure of 3 kg - 6 kg, and start the equipment; rough grinding operation: the rotating shaft of the equipment drives the grinding strip 13 installed on the grinding head shank 1 to rotate, and at the same time lubricate the part to be processed of the product with grinding fluid. The grinding strip 13 contacts the platform surface and the non-platform surface of the product to be processed, and the processing time is 60 - 100 seconds to achieve the processing of the platform surface and the non-platform surface; fine grinding operation: the rotating shaft of the equipment drives the grinding part installed in the grinding head seat to rotate, and at the same time lubricate the part to be processed of the product with grinding fluid. The grinding part contacts the platform surface of the product to be processed, and the processing time is 120 - 180 seconds to achieve the fine grinding of the platform surface and the non-platform surface.

[0020] Embodiment 2

[0021] As Figure 1-2 shown, another embodiment shows a CNC machining grinding head structure on the basis of Embodiment 1. Further, in a further implementable manner of this embodiment, the grinding head shank 1 is adhered with a grinding strip 13 through a fourth glue layer to meet the rough grinding processing requirements. Further, in these embodiments, the grinding strip 13 includes a metal wire grinding layer, which is durable and has a good rough grinding effect.

[0022] Embodiment 3

[0023] As Figure 1-2 shown, another embodiment shows a CNC machining grinding head structure on the basis of Embodiment 1. Further, in a further implementable manner of this embodiment, the first glue layer 4, the second glue layer 6 and the third glue layer 8 each include an epoxy resin glue layer or a silica gel layer, which has low cost and good use effect. Further, in these embodiments, the thicknesses of the first glue layer 4, the second glue layer 6 and the third glue layer 8 are all 4 - 6 mm to meet the processing requirements.

[0024] Embodiment 4

[0025] AsFigure 1-2 As shown, another embodiment shows a CNC machining grinding head structure based on Embodiment 1. Further, in a further implementable manner of this embodiment, the surface of the hemispherical grinding ball 10 is plated with emery, and the arc edge forming effect is good. Further, in these embodiments, a cooling circular groove 11 is provided at the bottom of the hemispherical grinding ball 10 to improve the cooling effect and increase the service life. Specifically, during the glass processing, emery is a commonly used abrasive, and its particle size range has a significant impact on the grinding effect. The particle size of emery can be represented by the mesh number. The higher the mesh number, the finer the particle size. Natural emery has a lower price and a higher cost performance compared with other abrasives such as corundum.

[0026] The above are only the embodiments of the present invention, and common knowledge such as the specific structures and characteristics known in the solutions is not described in detail here. It should be pointed out that for those skilled in the art, without departing from the structure of the present invention, several deformations and improvements can be made, and these should also be regarded as the protection scope of the present invention, and these will not affect the implementation effect of the present invention and the practicability of the patent. The protection scope required by this application should be based on the content of its claims, and the specific implementation manners and the like recorded in the specification can be used to interpret the content of the claims.

Claims

1. A CNC machining grinding head structure, characterized in that: It includes a grinding head shank and a grinding head base plate fixedly connected to the grinding head shank; the grinding head base plate includes, from top to bottom, a first fine finishing and grinding groove, a second fine finishing and grinding groove, a first glue layer, a first rough grinding surface, a second glue layer, a third fine finishing and grinding groove, and a tip grinding head; the tip grinding head includes, from top to bottom, a third glue layer, a second rough grinding surface, and a hemispherical grinding ball; chamfers are provided on the side walls of the bottom surfaces of the first fine finishing and grinding groove, the second fine finishing and grinding groove, and the third fine finishing and grinding groove; the first glue layer, the second glue layer, and the third glue layer are all in the shape of V-shaped grooves, and different grit-sized abrasive grains are provided in the three respectively.

2. The structure of a CNC machining grinding head according to claim 1, characterized in that: The grinding head shank is coated with a grinding strip through a fourth glue layer.

3. The structure of a CNC machining grinding head according to claim 2, wherein: The grinding strip includes a wire grinding layer.

4. A CNC machining grinding head structure according to claim 1, characterized in that: Each of the first glue layer, the second glue layer, and the third glue layer respectively includes an epoxy resin glue layer or a silica gel layer.

5. A CNC machining grinding head structure according to claim 4, characterized in that: The thicknesses of the first glue layer, the second glue layer, and the third glue layer are all 4 - 6 mm.

6. A CNC machining grinding head structure according to claim 1, characterized in that: The surface of the hemispherical grinding ball is plated with emery.

7. A CNC machining grinding head structure according to claim 6, characterized in that: A cooling circular groove is provided at the bottom of the hemispherical grinding ball.

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