Cover plate cold carving grinding head and machining method and application method of cold carving grinding head

Abstract

The invention relates to a cover plate cold carving grinding head, a machining method of the cold carving grinding head and an application method of the cold carving grinding head. A cover plate cold carving grinding head comprises a cutter handle, a cutter head, cooling holes, a cooling groove and a cooling transverse groove, the cutter head is arranged at one end of the cutter handle, the cooling holes are formed in the middle of the cutter handle and the middle of the cutter head, the cooling groove is formed in the bottom of the cutter head, the cooling holes penetrate through the cutter handle and the cooling groove in the bottom of the cutter head, and the cutter head is provided with a plurality of grinding heads. The multiple grinding heads are evenly distributed on the periphery of the tool bit, and a cooling transverse groove is formed between every two adjacent grinding heads. By means of the mechanism, the problems that a traditional cold carving grinding head does not have the cooling function, multiple times of tool switching and multiple times of program switching are needed in the machining process, due to the fact that the cooling effect of the grinding head is poor, the grinding head is seriously worn, tool marks are likely to appear on glass, the follow-up polishing procedure is difficult to manufacture, and continuous automatic production cannot be achieved are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of cold carving grinding head processing, and in particular to a cover plate cold carving grinding head, a processing method of the cold carving grinding head and an application method thereof. Background Art

[0002] With the widespread application of cover glass and the continuous development of 3D technology and materials, the application prospects of 3D glass in various fields are very broad. It can not only improve the appearance and performance of products, but also bring people a new visual experience and creativity. 3D glass can be used in electronic products such as smartphones, tablets and wearable devices, and can be used in car windshields, side windows and rearview mirrors to provide better driving vision and user experience.

[0003] There are several disadvantages to the traditional CNC cold carving grinding head processing of 3D cover glass: severe grinding head wear and tear; poor cooling effect of the grinding head, easy to have knife marks, making subsequent polishing process difficult.

[0004] The existing glass grinding heads focus on rough grinding, fine grinding, chamfering, and shallow hole making. The structure does not have a self-cooling function for the grinding head. During processing, it is necessary to switch tools and programs multiple times. In addition, the cooling effect of the grinding head is not good, resulting in serious wear and tear of the grinding head. It is also easy to leave knife marks on the glass, making subsequent polishing processes difficult to produce, making it impossible to achieve continuous automated production, and limiting its wide application. Summary of the invention

[0005] The present invention provides a cover plate cold carving grinding head, a processing method of the cold carving grinding head and an application method, which solves the problem that the traditional cold carving grinding head does not have a cooling function, and needs to switch tools and programs multiple times during processing. Due to the poor cooling effect of the grinding head, the grinding head is seriously worn out and knife marks are easily left on the glass, which makes the subsequent polishing process difficult and makes it impossible to achieve continuous automated production.

[0006] The technical solution of the present invention to solve the above technical problems is as follows: A cover plate cold carving grinding head comprises a tool handle, a tool head, a cooling hole, a cooling groove and a cooling transverse groove. The tool head is arranged at one end of the tool handle. The central axis of the tool handle and the center of the bottom of the tool head are provided with cooling holes. The tool head is a cylindrical structure. The middle part of the tool head has a cylindrical hollow, and the bottom of the hollow tool head is a cooling groove. The cooling hole runs through the tool handle and the cooling groove at the bottom of the tool head. The tool head has a plurality of grinding heads, and the plurality of grinding heads are evenly distributed around the tool head. A cooling transverse groove is provided between two adjacent grinding heads.

[0007] The beneficial effect of adopting the above further scheme is that cooling holes are opened in the central part of the center axis of the shank and the bottom of the cutter head. The coolant flows through the shank and the cutter head through the cooling hole at the tail of the shank, and then flows through the grinding head to cool the product. At the same time, the coolant flows through the shank and the cutter head to cool the tool body. The cooling effect of the tool is improved, which reduces the wear of the tool, has strong processing stability, and is not easy to burn the edge. It is not easy to break the tool when processing deep holes or blind holes, and the process can be boldly merged to achieve one-time forming, eliminating cumbersome multiple steps. At the same time, the product is well cooled during processing, which improves production efficiency and yield, and provides good protection for subsequent processes. There is no need to clamp and position the product multiple times, and the quality is better guaranteed by precision. There is no need to worry about whether the cutting fluid is sprayed evenly during processing.

[0008] Furthermore, there are four grinding heads, which are evenly distributed around the cutter head with the central axis of the cutter head as the axis. The periphery of the cutter head is the peripheral finishing part, and the top of the grinding head is the 3D arc finishing part.

[0009] The beneficial effect of adopting the above further scheme is that four grinding heads are set, and the four grinding heads are evenly distributed around the cutter head with the central axis of the cutter head as the axis, so that the coolant can quickly flow to the grinding head and the product through the cooling transverse groove. At the same time, the peripheral finishing part and the 3D arc finishing part are cooled by the coolant. The cooling effect of the tool is improved, the tool wear is reduced, the processing stability is strong, and it is not easy to burn the edge. It is not easy to break the tool when processing deep holes or blind holes, and the process can be boldly merged to achieve one-time forming, eliminating cumbersome multiple steps. At the same time, the product is well cooled during processing, which improves production efficiency and yield, and provides good guarantees for subsequent processes. There is no need to clamp and position the product multiple times, and the quality is better guaranteed by precision. There is no need to worry about whether the cutting fluid is sprayed evenly during processing.

[0010] Furthermore, the surface of the cutter head is electroplated with sand.

[0011] The beneficial effect of adopting the above further scheme is that sand is electroplated on the surface of the cutter head. The sand plating has the characteristics of high hardness, high temperature resistance, strong wear resistance, low price and good grinding effect, so that the cutter head can maintain its structural stability in a high temperature environment. At the same time, the grinding force of the cutter head is high, the smoothness of the grinding part is high, the sand marks are few and shallow, the grinding surface is fine and uniform, and the product quality can be improved.

[0012] Furthermore, the cooling transverse groove is a cross cooling transverse groove with a width of 3 mm and a depth of 3 mm.

[0013] The beneficial effect of adopting the above further scheme is that the cooling transverse groove is a cross cooling transverse groove with a width of 3mm and a depth of 3mm, so that the coolant can quickly flow to the product through the cooling transverse groove, thereby achieving the effect of quickly cooling the product.

[0014] Furthermore, a connection between the peripheral finishing portion and the 3D arc finishing portion has an arc edge.

[0015] The beneficial effect of adopting the above further solution is that a circular arc edge is provided at the connection between the peripheral finishing portion and the 3D arc finishing portion to avoid scratches on the product at the connection.

[0016] Furthermore, the connection between the 3D arc finishing portion and the cooling groove has an arc edge.

[0017] The beneficial effect of adopting the above further solution is that the connection between the 3D arc finishing portion and the cooling groove has an arc edge, so that the coolant flows more smoothly.

[0018] Furthermore, the connecting part between the cooling hole and the cooling groove has an arc edge.

[0019] The beneficial effect of adopting the above further solution is that the connection between the cooling hole and the cooling groove has an arc edge, so that the coolant flows more smoothly.

[0020] Furthermore, the diameter of the tool handle is adapted to the inner diameter of the water outlet spindle; and the cooling hole is connected to the central water outlet channel of the water outlet spindle.

[0021] The beneficial effect of adopting the above further solution is that the diameter of the tool handle is adapted to the inner diameter of the water outlet spindle, so that the tool handle can be installed in the inner diameter of the water outlet spindle. The cooling hole is connected to the central water outlet channel of the water outlet spindle, so that the coolant in the water outlet spindle can flow to the cooling hole through the central water outlet channel, so that the coolant takes away heat during the flow process, preventing the tool handle and the water outlet spindle from overheating.

[0022] On the other hand, a processing method of a cover plate cold carving grinding head is based on a cover plate cold carving grinding head, and the processing method is: S1: Use horizontal CNC equipment to first turn the shape of the cold carving grinding head, then use the machine seat tail to install the drill bit and process the cooling holes on the cold carving grinding head; S2: Use a grinder or wire cutting method to open a cross cooling groove with a width of 3mm and a depth of 3mm at the bottom of the grinding head body; S3: Use the testing equipment to measure whether the processed main body size is qualified, and then proceed to the next process if it is qualified; S4: When the main body size is qualified, the processed cold carving grinding head body is electroplated; S5: Install the manufactured tool on the dynamic balancing equipment and check whether the tool is qualified; S6: When the tool is qualified, the cold carving grinding head will be shipped.

[0023] Specifically, the equipment is used to perform turning processing on the cold carving grinding head, a cooling hole is opened in the middle of the tool handle, and then a cross cooling groove with a width of 3mm and a depth of 3mm is opened at the bottom of the grinding head body.

[0024] The beneficial effect of adopting the above further scheme is that the coolant can flow through the entire tool through the cooling holes, and then the coolant flows to the product through the cross cooling grooves to cool the product. At the same time, the coolant flows through the entire tool, and the coolant takes away heat during the flow, preventing the tool from overheating and cooling the tool body. The cooling effect of the tool is improved, which reduces tool wear, has strong processing stability, and is not easy to burn edges. It is not easy to break the tool when processing deep holes or blind holes, and the process can be boldly merged to achieve one-time forming, eliminating cumbersome multiple steps. At the same time, the product is well cooled during processing, which improves production efficiency and yield, and provides good guarantees for subsequent processes. There is no need to clamp and position the product multiple times, and the quality is better guaranteed by precision. There is no need to worry about whether the cutting fluid is sprayed evenly during processing.

[0025] On the other hand, an application method of a cover plate cold carving grinding head is based on a cover plate cold carving grinding head, and the application method is: S1: Install the handle and the head of the cold carving grinding head on one end of the water outlet spindle; S2: connect the cooling hole to the central water outlet channel of the water outlet spindle; S3: The water outlet spindle drives the tool handle to rotate; S4: The coolant flows through the central water outlet channel to continuously cool the outlet spindle; S5: The coolant flows to the cutter head through the cooling hole and flows to the cooling transverse groove through the cooling groove; S6: The coolant flows through the cooling transverse groove to cool the grinding head and the glass being processed at the same time.

[0026] The beneficial effect of adopting the above further scheme is that the handle and the cutter head of the cold carving grinding head are installed at one end of the water outlet spindle; the water outlet spindle adopts a hollow axis, and the coolant is sprayed on the cutting area through the central water outlet channel to maintain the stability and life of the spindle and cutting tool. The motor drives the water outlet spindle to rotate and drives the tool to rotate together. The coolant flows through the central water outlet channel to continuously cool the water outlet spindle; the coolant flows to the cutter head through the cooling hole, and flows to the cooling transverse groove through the cooling groove; the coolant flows through the cooling transverse groove to cool the grinding head and the glass being processed at the same time. The coolant takes away heat during the flow process, prevents the tool and the water outlet spindle from overheating, and cools the tool body. The cooling effect of the tool is improved, the tool wear is reduced, the processing stability is strong, and it is not easy to burn the edge. It is not easy to break the tool when processing deep holes or blind holes, and the process can be boldly merged to achieve one-time molding, eliminating cumbersome multi-step completion. At the same time, the product is well cooled during processing, which improves production efficiency and yield, and provides good guarantee for the subsequent process. It is no longer necessary to clamp and position the product multiple times, the quality is better guaranteed, and there is no need to worry about whether the cutting fluid is evenly sprayed during processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A schematic diagram of the three-dimensional structure of a cover plate cold carving grinding head of the present invention Figure 1 ; Figure 2 A schematic diagram of the three-dimensional structure of a cover plate cold carving grinding head of the present invention Figure 2 ; Figure 3 It is a schematic diagram of the side structure of a cover plate cold carving grinding head of the present invention; Figure 4 This is a schematic structural diagram of a cover plate cold carving grinding head of the present invention; Figure 5 It is a structural schematic diagram of a cover plate cold carving grinding head and a water outlet spindle being installed in coordination with each other in the present invention; Figure 6 It is a schematic diagram of the 3D surface spiral feed of a cover plate cold carving grinding head of the present invention; Figure 7 It is a schematic flow chart of a method for processing a cover plate cold carving grinding head according to the present invention; Figure 8 The present invention is a schematic flow chart of an application method of a cover plate cold carving grinding head.

[0028] In the accompanying drawings, the list of parts represented by each number is as follows: 1. Tool handle; 2. Tool head; 21. Grinding head; 211. 3D arc finishing part; 22. Peripheral finishing part; 3. Cooling hole; 4. Cooling groove; 5. Cooling transverse groove; 6. Water outlet spindle; 61. Central water outlet channel. DETAILED DESCRIPTION

[0029] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0030] Example 1 like Figure 1-5 As shown, a cover plate cold carving grinding head includes a tool handle 1, a tool head 2, a cooling hole 3, a cooling groove 4 and a cooling transverse groove 5. The tool head 2 is arranged at one end of the tool handle 1, and the middle part of the tool handle 1 and the middle part of the tool head 2 are provided with cooling holes 3. The tool head 2 is a cylindrical structure, and the bottom of the tool head 2 is a cooling groove 4. The cooling hole 3 runs through the tool handle 1 and the cooling groove 4 at the bottom of the tool head 2. The tool head 2 has a plurality of grinding heads 21, and the plurality of grinding heads 21 are evenly distributed around the tool head 2, and a cooling transverse groove 5 is provided between two adjacent grinding heads 21.

[0031] Specifically, a cooling hole 3 is provided at the center of the center axis of the tool handle 1 and the bottom of the tool head 2. The coolant flows through the tool handle 1 and the tool head 2 through the cooling hole 3 at the rear of the tool handle 1, and then flows through the cooling transverse groove 5 and the grinding head 21 to cool the product. At the same time, the coolant flows through the tool handle 1 and the tool head 2 to cool the tool body.

[0032] like Figure 1-5 As shown, there are four grinding heads 21 , which are evenly distributed around the cutter head 2 with the central axis of the cutter head 2 as the axis. The periphery of the cutter head 2 is a peripheral finishing portion 22 , and the top of the grinding head 21 is a 3D arc finishing portion 211 .

[0033] Specifically, four grinding heads 21 are arranged, and the four grinding heads 21 are evenly distributed around the cutter head 2 with the central axis of the cutter head 2 as the axis, so that the coolant can quickly flow to the grinding heads 21 and the product through the cooling transverse groove 5. At the same time, the peripheral finishing part 22 and the 3D arc finishing part 211 are cooled by the coolant.

[0034] In this embodiment, the cutter head 2 is made of hard steel and processed by horizontal CNC equipment, and the cooling groove 4 is processed by a grinder or wire cutting.

[0035] like Figure 1-5 As shown, the surface of the cutter head 2 is electroplated with sand.

[0036] Specifically, sand plating is applied on the surface of the cutter head 2. The sand plating has the characteristics of high hardness, high temperature resistance, strong wear resistance, low price and good grinding effect, so that the cutter head 2 can maintain its structural stability in a high temperature environment. At the same time, the cutter head 2 has a high grinding force, a high finish of the grinded part, few and shallow sand marks, a fine and uniform grinding surface, and can improve product quality.

[0037] In this embodiment, the surface of the cutter head 2 is electroplated with corundum, and the type of corundum is selected to be 400 and / or 1000. When the cutter head 2 is used for fine finishing, the surface of the cutter head 2 is electroplated with 1000 corundum, and when the cutter head 2 is used for roughing, the surface of the cutter head 2 is electroplated with 400 corundum. In this embodiment, when the surface of the cutter head 2 needs to be electroplated with two kinds of corundum, the latter plated part is covered with a wrapping film during the sand plating, and then the plated position is covered with a wrapping film. The thickness of the sand plating is 0.07-0.01mm.

[0038] like Figure 1-5 As shown, the cooling transverse groove 5 is a cross cooling transverse groove 5 with a width of 3 mm and a depth of 3 mm.

[0039] Specifically, the cooling transverse groove 5 is a cross cooling transverse groove 5 with a width of 3 mm and a depth of 3 mm, so that the coolant can quickly flow to the product through the cooling transverse groove 5, thereby achieving the effect of quickly cooling the product.

[0040] like Figure 1-5 As shown, the connection between the peripheral finishing portion 22 and the 3D arc finishing portion 211 has an arc edge.

[0041] Specifically, a circular arc edge is provided at the connection between the peripheral finishing portion 22 and the 3D arc finishing portion 211 to prevent the connection from causing scratches to the product.

[0042] like Figure 1-5 As shown, the connection between the 3D arc finishing portion 211 and the cooling groove 4 has an arc edge.

[0043] Specifically, the connection between the 3D arc finishing portion 211 and the cooling groove 4 has an arc edge, so that the flow of the coolant is smoother.

[0044] like Figure 1-5 As shown, the penetration point between the cooling hole 3 and the cooling groove 4 has a circular arc edge.

[0045] Specifically, the connecting part between the cooling hole 3 and the cooling groove 4 has an arc edge, so that the coolant flows more smoothly.

[0046] like Figure 1-5 As shown, the diameter of the tool handle 1 is adapted to the inner diameter of the water outlet spindle 6 ; the cooling hole 3 is connected to the central water outlet channel 61 of the water outlet spindle 6 .

[0047] Specifically, the diameter of the tool handle 1 is adapted to the inner diameter of the water outlet spindle 6, so that the tool handle 1 can be installed in the inner diameter of the water outlet spindle 6. The cooling hole 3 is connected to the central water outlet channel 61 of the water outlet spindle 6, so that the coolant in the water outlet spindle 6 can flow to the cooling hole 3 through the central water outlet channel 61, so that the coolant takes away heat during the flow process, thereby preventing the tool handle 1 and the water outlet spindle 6 from overheating.

[0048] In this embodiment, the diameter of the tool handle 1 is 10 mm, so as to reserve a space for opening a cooling hole 3 in the center.

[0049] The beneficial effects of this embodiment are as follows: a cooling hole 3 is provided at the center of the center axis of the shank 1 and the bottom of the cutter head 2. The coolant flows through the shank 1 and the cutter head 2 through the cooling hole 3 at the rear of the shank 1, and then flows through the grinding head 21 to cool the product. At the same time, the coolant flows through the shank 1 and the cutter head 2 to cool the tool body. The cooling effect of the tool is improved, so that the tool wear is reduced, the processing stability is strong, and it is not easy to burn the edge. It is not easy to break the tool when processing deep holes or blind holes, and the process can be boldly merged to achieve one-time forming, eliminating cumbersome multiple steps. At the same time, the product is well cooled during processing, which improves production efficiency and yield, and provides good guarantees for subsequent processes. There is no need to clamp and position the product multiple times, and the quality is better guaranteed by precision. There is no need to worry about whether the cutting fluid is sprayed evenly during processing.

[0050] The working process of this embodiment is as follows: a cooling hole 3 is opened at the center of the center axis of the tool handle 1 and the bottom of the tool head 2, and the coolant flows through the tool handle 1 and the tool head 2 through the cooling hole 3 at the tail of the tool handle 1, and then flows through the cooling transverse groove 5 and the grinding head 21 to cool the product. At the same time, the coolant flows through the tool handle 1 and the tool head 2 to cool the tool body.

[0051] Example 2 Based on Example 1, the difference from Example 1 is that: like Figure 7 As shown, a processing method of a cover plate cold carving grinding head is based on a cover plate cold carving grinding head, and the processing method is: S1: Use horizontal CNC equipment to first turn the shape of the cold carving grinding head, then use the machine seat tail to install the drill bit and process the cooling hole 3 on the cold carving grinding head; S2: Use a grinder or wire cutting method to open a cross cooling groove 5 with a width of 3 mm and a depth of 3 mm at the bottom of the grinding head 21; S3: Use the testing equipment to measure whether the processed main body size is qualified, and then proceed to the next process if it is qualified; S4: When the main body size is qualified, the processed cold carving grinding head body is electroplated; S5: Install the manufactured cold carving grinding head on the dynamic balancing equipment and check whether the tool is qualified; S6: When the tool is qualified, the cold carving grinding head will be shipped.

[0052] Specifically, the equipment is used to perform turning processing on the cold carving grinding head, a cooling hole 3 is opened on the central axis of the tool handle 1, and then a cross cooling transverse groove 5 with a width of 3mm and a depth of 3mm is opened at the bottom of the main body of the grinding head 21. Then, the surface of the manufactured tool head 2 is electroplated with corundum, and the model of the corundum is selected as No. 400 and / or No. 1000. When the tool head 2 is used for fine finishing, the surface of the tool head 2 is electroplated with No. 1000 corundum, and when the tool head 2 is used for roughing, the surface of the tool head 2 is electroplated with No. 400 corundum. In this embodiment, when the surface of the tool head 2 needs to be electroplated with two kinds of corundum, the later plated part is covered with a wrapping film during sand plating, and then the plated position is covered with a wrapping film. The thickness of the sand plating is 0.07-0.01mm. Then, install the prepared cold carving grinding head on the dynamic balancing equipment to check whether the concentricity of the cold carving grinding head reaches the 0.02mm standard and whether there is any jitter; when the cold carving grinding head rotates without jitter and the concentricity of the cold carving grinding head reaches the 0.02mm standard, it is considered qualified.

[0053] The beneficial effect of this embodiment is that a cooling hole 3 is provided at the center of the center axis of the handle 1 of the cold carving grinding head and the center of the bottom of the cutter head 2. The cooling hole 3 passes through the cooling groove 4 at the bottom of the handle 1 and the cutter head 2, so that the coolant can flow through the entire tool through the cooling hole 3, and then the coolant flows to the product through the cross cooling groove 5 to cool the product. At the same time, the coolant flows through the entire tool, and the coolant takes away heat during the flow process to prevent the tool from overheating and cool the tool body. The tool cooling effect is improved, so that the tool wear is reduced, the processing stability is strong, and it is not easy to burn the edge. It is not easy to break the tool when processing deep holes or blind holes, and the process can be boldly merged to achieve one-time molding, eliminating cumbersome multi-step completion. At the same time, the product is well cooled during processing, which improves production efficiency and yield, and provides good protection for the subsequent process. There is no need to clamp and position the product multiple times, the quality has a better precision guarantee, and there is no need to worry about whether the cutting fluid is evenly sprayed in place during processing.

[0054] Example 3 Based on Example 1: like Figure 8 As shown, an application method of a cover plate cold carving grinding head is based on a cover plate cold carving grinding head, and its application method is: S1: Install the handle 1 and the head 2 of the cold carving grinding head on one end of the water outlet spindle 6; S2: Connect the cooling hole 3 to the central water outlet channel 61 of the water outlet main shaft 6; S3: The water outlet spindle 6 drives the tool handle 1 to rotate; S4: The coolant flows through the central water outlet channel 61 to continuously cool the water outlet spindle 6; S5: The coolant flows to the cutter head 2 through the cooling hole 3, and flows to the cooling transverse groove 5 through the cooling groove 4; S6: The coolant flows through the cooling transverse groove 5 to cool the grinding head 21 and the glass being processed at the same time.

[0055] Specifically, the handle 1 and the cutter head 2 of the cold carving grinding head are installed at one end of the water outlet spindle 6. The water outlet spindle 6 adopts a hollow axis, and the cooling hole 3 is connected to the central water outlet channel 61 of the water outlet spindle 6. The coolant is sprayed on the cutting area through the central water outlet channel 61 to maintain the stability and life of the spindle and the cutting tool. The motor drives the water outlet spindle 6 to rotate, and drives the tool to rotate together. The coolant flows through the central water outlet channel 61 to continuously cool the water outlet spindle 6; the coolant flows to the cutter head 2 through the cooling hole 3, and flows to the cooling transverse groove 5 through the cooling groove 4; the coolant flows through the cooling transverse groove 5 to cool the grinding head 21, and at the same time cools the glass being processed. The coolant takes away heat during the flow process, prevents the tool and the water outlet spindle 6 from overheating, and cools the tool body.

[0056] The beneficial effects of this embodiment are as follows: the coolant flows through the central water outlet channel 61, continuously cooling the outlet spindle 6; the coolant flows to the cutter head 2 through the cooling hole 3, and flows to the cooling transverse groove 5 through the cooling groove 4; the coolant flows through the cooling transverse groove 5 to cool the grinding head 21, and at the same time cools the glass being processed. The coolant takes away heat during the flow, prevents the tool and the outlet spindle 6 from overheating, and cools the tool body. The tool cooling effect is improved, the tool wear is reduced, the processing stability is strong, and it is not easy to burn the edge. It is not easy to break the tool when processing deep holes or blind holes, and the process can be boldly merged to achieve one-time molding, eliminating cumbersome multiple steps. At the same time, the product is well cooled during processing, which improves production efficiency and yield, and provides good protection for subsequent processes. There is no need to clamp and position the product multiple times, the quality is better guaranteed by precision, and there is no need to worry about whether the cutting fluid is evenly sprayed in place during processing.

[0057] The working process of this embodiment is as follows: In this embodiment, the ordinary 60 / 80 model electric spindle is replaced with a central water outlet spindle 6. The water outlet spindle 6 adopts a hollow axis, and the handle 1 and the cutter head 2 of the cold carving grinding head are installed at one end of the water outlet spindle 6. The cooling hole 3 is connected to the central water outlet channel 61 of the water outlet spindle 6. The coolant flows to the cold carving grinding head through the central water outlet channel 61, and the coolant flows from the cooling hole 3 to the grinding head 21 of the tool and the product. Then, the coolant is sprayed on the cutting area to maintain the stability and life of the spindle and the cold carving grinding head. The water outlet spindle 6 adopts a brushless DC motor with four built-in ceramic ball bearings, a maximum speed of 50,000rpm, and a maximum power of 850W, which can be used for deep drilling processing, etc. The motor drives the water outlet spindle 6 to rotate, and drives the tool to rotate together. The coolant flows through the central water outlet channel 61 to continuously cool the water outlet spindle 6; the coolant flows to the cutter head 2 through the cooling hole 3, and flows to the cooling transverse groove 5 through the cooling groove 4; the coolant flows through the cooling transverse groove 5 to cool the grinding head 21, and at the same time cools the product. The coolant takes away heat during the flow process, prevents the tool and the water outlet spindle 6 from overheating, and cools the tool body. The spindle can reduce the temperature of the spindle and the tool, extend their service life, improve processing efficiency and quality, and reduce noise and vibration. The product is then directly cooled through the cooling hole 3 of the cold carving grinding head to form an internal and external water spray effect, so that the product can get a good cooling condition even when processing deep holes under special conditions.

[0058] In this embodiment, the tool handle 1 and the tool head 2 of the cold carving grinding head are installed at one end of the water outlet spindle 6 , and the cooling hole 3 is connected to the central water outlet channel 61 of the water outlet spindle 6 .

[0059] like Figure 6 As shown, during the operation, 3D surface spiral feed → 3D concave surface primary finishing → 3D concave surface secondary finishing → processing is completed.

[0060] The processing steps are repeated, and then the product is polished and inspected for quality.

[0061] Inspection method: visual inspection, inspection conditions: inspection under three-wave lamp 1000lux, 5000 pieces were put into production, 4950 pieces were good, the yield rate was 99%, the tool life was increased by 60 pieces per tool, and the proportion of defective tool marks was 0.5%.

[0062] Conventional cold carving grinding head processing: a single machine produces 200 pieces per day, with a yield rate of 90%, edge collapse accounting for 3%, and knife marks accounting for 5%; Using the cold carving grinding head of the present invention for processing: a single machine produces 260 pieces per day, with a yield rate of 98%, the tool life is increased by about 60 pieces per piece, the proportion of defective tool marks is 0.7%, the processing capacity efficiency is increased by 33%, and the yield rate is increased by 8%.

[0063] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0064] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0065] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0066] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0067] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, mechanisms, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, mechanisms, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0068] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A cover plate cold carving grinding head, characterized in that: The invention comprises a tool handle (1), a tool head (2), a cooling hole (3), a cooling groove (4) and a cooling transverse groove (5), wherein the tool head (2) is arranged at one end of the tool handle (1), the cooling hole (3) is provided in the middle of the tool handle (1) and the middle of the tool head (2), the tool head (2) is a cylindrical structure, and the bottom of the tool head (2) is a cooling groove (4), the cooling hole (3) passes through the tool handle (1) and the cooling groove (4) at the bottom of the tool head (2), the tool head (2) has a plurality of grinding heads (21), the plurality of grinding heads (21) are evenly distributed around the tool head (2), and the cooling transverse groove (5) is provided between two adjacent grinding heads (21).

2. A cover plate cold carving grinding head according to claim 1, characterized in that: The grinding heads (21) have four parts, and the four grinding heads (21) are evenly distributed in the circumference of the cutter head (2) with the central axis of the cutter head (2) as the axis, the periphery of the cutter head (2) is a peripheral finishing portion (22), and the top of the grinding head (21) is a 3D arc finishing portion (211).

3. The cover plate cold carving grinding head according to claim 2, characterized in that: The surface of the cutter head (2) is electroplated with sand.

4. The cover plate cold carving grinding head according to claim 2, characterized in that: The cooling transverse groove (5) is a cross cooling transverse groove with a width of 3 mm and a depth of 3 mm.

5. The cover plate cold carving grinding head according to claim 2, characterized in that: The connection between the peripheral finishing portion (22) and the 3D arc finishing portion (211) has an arc edge.

6. The cover plate cold carving grinding head according to claim 5, characterized in that: The connection between the 3D arc finishing portion (211) and the cooling groove (4) has an arc edge.

7. The cover plate cold carving grinding head according to claim 1, characterized in that: The connecting portion between the cooling hole (3) and the cooling groove (4) has an arc edge.

8. The cover plate cold carving grinding head according to claim 1, characterized in that: The diameter of the tool handle (1) is adapted to the inner diameter of the water outlet main shaft (6); and the cooling hole (3) is connected to the central water outlet channel (61) of the water outlet main shaft (6).

9. A method for processing a cover plate cold carving grinding head, characterized in that: A cold carving grinding head for processing a cover plate as claimed in any one of claims 1 to 8, wherein the processing method is: S1: Use horizontal CNC equipment to first turn the outer shape of the cold carving grinding head, then use the machine seat tail to install the drill bit and process the cooling hole (3) of the cold carving grinding head; S2: Use a grinder or wire cutting method to open a cross cooling groove (5) with a width of 3 mm and a depth of 3 mm at the bottom of the grinding head (21); S3: Use the testing equipment to measure whether the processed main body size is qualified, and then proceed to the next process if it is qualified; S4: When the main body size is qualified, the processed cold carving grinding head body is electroplated; S5: Install the manufactured tool on the dynamic balancing equipment and check whether the tool is qualified; S6: When the tool is qualified, the cold carving grinding head will be shipped.

10. An application method of a cover plate cold carving grinding head, characterized in that: A cover plate cold carving grinding head according to any one of claims 1 to 8, and an application method thereof is: S1: Install the handle (1) and the head (2) of the cold carving grinding head on one end of the water outlet spindle (6); S2: connecting the cooling hole (3) to the central water outlet channel (61) of the water outlet main shaft (6); S3: the water outlet spindle (6) drives the tool handle (1) to rotate; S4: the coolant flows through the central water outlet channel (61) to continuously cool the water outlet spindle (6); S5: The coolant flows to the cutter head (2) through the cooling hole (3), and flows to the cooling transverse groove (5) through the cooling groove (4), so as to cool the cutter body; S6: The coolant flows through the cooling transverse groove (5) to cool the grinding head (21) and the glass being processed.

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