A vertical electroplated diamond wire saw device and control method

Abstract

The present invention discloses a vertical electroplating diamond wire saw device and a control method, including a reinforcement section, a sanding section, a sand blowing section, a wire feeding section, a plating liquid tank, a sand blowing box and a filter pump; the reinforcement section is tubular, with a liquid inlet and an overflow port on its side wall, and an anode installed inside; the bottom of the reinforcement section is connected to the inverted cone-shaped sanding section through a flange; the bottom of the sanding section is connected to the sand blowing section through a flange, and the bottom of the sand blowing section is connected to the wire feeding section through a flange; the overflow port on the reinforcement section is connected to the plating liquid tank, and the filter pump transports the plating liquid in the plating liquid tank to the liquid inlet and the sand blowing box through a pipeline, respectively, and the sand blowing box is connected to the sand blowing section through a pipeline. The present invention is a single-wire electroplating system, which can replace the sanding sections of all models without changing the previous and next processes, and can save a lot of costs.

Description

Technical Field

[0001] The invention belongs to the technical field of electroplated diamond wire manufacturing, and in particular relates to a vertical electroplated diamond wire saw device and a control method. Background Art

[0002] In recent years, with the development of science and technology, the application of hard and brittle crystals such as silicon crystals and sapphires, magnetic materials, and ceramics has become increasingly widespread. Traditional cutting methods include steel sheet cutting, band saw cutting, and internal and external disc saw cutting. They have defects such as wide kerf, low material yield, poor surface shape accuracy, and deep surface damage layer, which are difficult to meet the precision cutting of such hard and brittle crystal substrates. Diamond wire saw cutting is a processing method proposed to address the above problems. The existing technology for diamond wire saw production is mainly horizontal suspended sanding. This method is very beneficial for the production of diamond wire saws with diamond grain size ≤30μm, but it is more difficult to produce diamond wire saws with a grain size of more than 30μm: it is difficult to evenly disperse diamond grains with large grain size and suspend them in the plating solution, which will cause the dispersion of diamond grains to deteriorate, resulting in poor uniformity of diamond wire saws. Corundum with large particle size will be adsorbed and deposited on the surface of a horizontal wire. The adsorption force (electric field force) of corundum on the lower surface of the wire is greater than the adsorption force used to adsorb it on the upper surface, because it has to overcome its own gravity. Therefore, under the same adsorption force, there will be more corundum on the upper surface than on the lower surface, forming what we often call the yin and yang side. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a vertical electroplated diamond wire saw device and a control method to address the deficiencies in the above-mentioned prior art, so as to solve the problems of poor uniformity and positive and negative surfaces that are easily encountered in the production of large-diameter diamond wire saws.

[0004] The present invention adopts the following technical scheme: a vertical electroplated diamond wire saw device, comprising a reinforcement section, a sanding section, a sand blowing section, a line inlet section, a plating liquid tank, a sand blowing box and a filter pump; the reinforcement section is tubular, with a liquid inlet and an overflow port on its side wall, and an anode installed inside; the bottom of the reinforcement section is connected to the inverted cone-shaped upper sand section through a flange; the bottom of the upper sand section is connected to the sand blowing section through a flange, and the bottom of the sand blowing section is connected to the line inlet section through a flange; the overflow port on the reinforcement section is connected to the plating liquid tank, and the filter pump transports the plating liquid in the plating liquid tank to the liquid inlet and the sand blowing box through a pipeline, and the sand blowing box is connected to the sand blowing section through a pipeline.

[0005] Furthermore, two oppositely positioned liquid inlets are provided at the bottom of the side wall of the reinforcement section, and an overflow port is provided at the top of the side wall, wherein the overflow port is 5 mm away from the upper edge of the reinforcement section.

[0006] Furthermore, the larger inner diameter end of the inverted cone-shaped upper sand section is the same as the inner diameter of the reinforcement section, and the smaller inner diameter end is the same as the inner diameter of the sand blowing section.

[0007] Furthermore, the bottom of the upper sanding section is filled with corundum.

[0008] Furthermore, the anode passes through the reinforcement section and the upper sand section, and the bottom of the anode is located above the corundum.

[0009] Furthermore, the sand blasting section is divided into a sand blasting zone, a transition zone and a buffer zone, and the bottom of the sand blasting zone is inverted cone shape connecting the transition zone with a thinner inner diameter. The inner diameter of the buffer zone is larger than that of the sand blasting zone, and sand blasting liquid inlets are opened at relative positions on both sides of the inner wall of the buffer zone.

[0010] Furthermore, the inner diameter of the transition zone is 5 mm.

[0011] Furthermore, the line entry section includes a sand discharge port, a line entry hole and a compression plug, wherein the sand discharge port and the line entry hole are both connected below the buffer zone, wherein the sand discharge port is arranged obliquely; a compression plug is installed at the bottom of the line entry section, and an elastic rubber plug is installed between the compression plug and the line entry hole.

[0012] Furthermore, the reinforcement section, sand applying section, sand blowing section and line inlet section are all coaxially installed.

[0013] Furthermore, a flow meter is installed on the pipeline between the sand blowing box and the sand blowing liquid inlet.

[0014] Furthermore, the busbar is a steel wire.

[0015] A control method for a vertical electroplated diamond wire saw device comprises the following steps:

[0016] Step 1: The busbar is inserted from the compression plug in the incoming line section, passes through the anode in the sand blowing section, the sand applying section and the reinforcement section in turn, and the two ends of the busbar are connected to the cathode through the conductive wheel;

[0017] Step 2: Add corundum from the top of the reinforcement section. After the addition is completed, inject the plating solution from the liquid inlet, and continue to inject the plating solution until the overflow port. When the plating solution returns to the plating solution tank through the overflow port, the filter pump will pump the plating solution back into the liquid inlet, and the cycle will repeat;

[0018] Step 3: The diamond sand in the upper sand section is kept suspended within about 150 mm from the bottom of the cone by adjusting the flow meter installed between the sand blowing box and the sand blowing liquid inlet.

[0019] Furthermore, the speed of the busbar through the upper sand section needs to be maintained at 5-8m / min;

[0020] Furthermore, the flow rate of the sand blowing liquid inlet is 20-40 mL / min.

[0021] Furthermore, in step three, the density of diamond sand suspension is controlled by adjusting the flow rate of the sand blowing liquid inlet to control the amount of sand applied to the diamond wire saw.

[0022] The beneficial effects of the present invention are as follows: the existing technology for producing diamond wire saw equipment includes single-wire machines, two-wire machines, four-wire machines, and six-wire machines. The present invention is a single-wire electroplating system, which can replace the sanding sections of all machine models without changing the previous and subsequent processes, thereby saving a lot of costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 Schematic diagram of an example of the present invention;

[0024] Figure 2 A partial enlarged schematic diagram of the sand blowing section;

[0025] Figure 3 A partial enlarged schematic diagram of the incoming line segment;

[0026] In the figure: 1-reinforcement section, 2-sanding section, 3-sand blowing section, 4-line inlet section, 5-plating liquid tank, 6-filtration pump, 7-sand blowing box, 8-busbar, 9-corundum, 11-liquid inlet, 12-overflow port, 13-anode, 31-sand blowing liquid inlet, 32-buffer zone, 33-transition zone, 34-sand blowing zone, 41-elastic rubber plug, 42-sand discharge port, 43-compression plug, 44-line inlet hole. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. The components of the embodiments of the present invention described and shown in the drawings here can usually be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0028] like Figure 1As shown, the present invention is a vertical electroplated diamond wire saw device. In this embodiment, a steel wire is used as a busbar for electroplating diamond sand. The device includes a reinforcement section 1, a sanding section 2, a sand blowing section 3, a line inlet section 4, a plating liquid tank 5, a sand blowing tank 7 and a filter pump 6. The reinforcement section 1, the sanding section 2, the sand blowing section 3 and the line inlet section 4 are coaxially connected in sequence to ensure that the steel wire passes through the above components vertically. Among them, the reinforcement section 1 is tubular, and two liquid inlets 11 and an overflow port 12 are opened on its side wall. The overflow port 12 is located 5 mm from the upper edge of the reinforcement section, and the liquid inlet 11 is located below the overflow port 12 and close to the bottom of the reinforcement section 1. The overflow port 12 on the reinforcement section is connected to the plating liquid tank 5 through a pipeline, so that the excess plating liquid returns to the plating liquid tank 5 for accumulation. The filter pump 6 returns the plating liquid in the plating liquid tank 5 to the reinforcement section 1 and the sand blowing box 7 through the pipeline through the liquid inlet 11. The sand blowing box 7 is connected to the sand blowing liquid inlet 31 on the sand blowing section 3 through a pipeline.

[0029] Since the present invention carries out sand feeding in the vertical direction, it is necessary to utilize the height of the sand blowing box 7 to provide a stable sand blowing pressure, thereby ensuring the dispersion degree of the diamond sand in the sand feeding section 2; by adjusting the flow meter on the pipeline between the sand blowing box 7 and the sand blowing liquid inlet 31, the dispersion degree of the diamond sand can be easily adjusted, thereby controlling the amount of sand fed to the diamond wire saw.

[0030] The bottom of the reinforcement section 1 is connected to the inverted cone-shaped upper sand section 2 through a flange, and the inner diameters of the interfaces of the two are the same. The anode 13 passes through the reinforcement section 1 and reaches the middle of the upper sand section 2, and the bottom of the upper sand section 2 is filled with corundum 9.

[0031] like Figure 2 As shown, the bottom of the upper sand section 2 is connected to the sand blasting section 3 through a flange. The sand blasting section 3 consists of a sand blasting zone 34, a transition zone 33 and a buffer zone 32. The bottom of the sand blasting zone 34 is inverted cone-shaped and connected to the transition zone 33 with an inner diameter of 5 mm. The inner diameter of the buffer zone 32 is larger than that of the sand blasting zone 34 and forms a cavity. Sand blasting liquid inlets 31 are opened at relative positions on both sides of the inner wall of the buffer zone 32.

[0032] like Figure 3 As shown, the bottom of the sand blasting section 3 is connected to the line inlet section 4 through a flange; the line inlet section 4 includes a sand discharge port 42, a line inlet hole 44 and a clamping plug 43, and the sand discharge port 42 and the line inlet hole 44 are both connected below the buffer zone 32, wherein the sand discharge port 42 is arranged obliquely; a clamping plug 43 is installed at the bottom of the line inlet section 4, and an elastic rubber plug 41 is installed between the clamping plug 43 and the line inlet hole 44.

[0033] The control method of the present invention comprises the following steps:

[0034] Step 1: The steel wire 8 is inserted from the compression plug 43 in the inlet section 4, passes through the sand blowing section 3, the sand supply section 2 and the anode 13 in the reinforcement section 1 in sequence, and the two ends of the steel wire 8 are connected to the cathode through the conductive wheel.

[0035] Step 2, add corundum 9 from the top of the reinforcement section 1. After the addition is completed, inject the plating solution from the liquid inlet 11, and continue to inject the plating solution until the overflow port 12. When the plating solution returns to the plating solution tank 5 through the overflow port 12, the filter pump 6 will pump the plating solution back into the liquid inlet 11, and the cycle will be repeated.

[0036] Step three, by adjusting the flow meter installed between the sand blowing box 7 and the sand blowing liquid inlet 31, the diamond sand in the upper sand section 2 is controlled to remain suspended within about 150 mm of the bottom of the cone.

[0037] It should be noted that:

[0038] (1) The speed of the steel wire 8 passing through the sanding section 2 determines the amount of sanding applied by the diamond wire saw. Normally, the speed of the steel wire is maintained at 5-8 m / min.

[0039] (2) The circulation speed of the plating solution determines the temperature of the plating solution and the sand content in the plating solution. A low circulation speed will cause the local composition differences of the plating solution to become larger and the temperature to decrease, affecting the electroplating effect. Therefore, when the plating solution flows into the liquid inlet, the flow rate should be as slow as possible and the flow rate should be as large as possible.

[0040] (3) The density of diamond sand suspension is controlled by adjusting the flow rate of the sand blowing liquid inlet 31 to control the amount of sand on the diamond wire saw. The flow rate is generally set at 20-40mL / min.

[0041] The above contents are only for explaining the technical idea of ​​the present invention and cannot be used to limit the protection scope of the present invention. Any changes made on the basis of the technical solution in accordance with the technical idea proposed by the present invention shall fall within the protection scope of the claims of the present invention.

Claims

1. A control method for a vertical electroplated diamond wire saw device, characterized in that: The device comprises a reinforcement section (1), a sand-loading section (2), a sand-blowing section (3), an inlet section (4), a plating liquid tank (5), a sand-blowing box (7) and a filter pump (6); the reinforcement section (1), the sand-loading section (2), the sand-blowing section (3) and the inlet section (4) are coaxially connected in sequence; the reinforcement section (1) is tubular, and has two liquid inlets (11) and an overflow port (12) on its side wall; the overflow port (12) is located 5 mm from the upper edge of the reinforcement section, and the liquid inlet (11) is located below the overflow port (12) and close to the bottom of the reinforcement section (1); The overflow port (12) is connected to the plating liquid tank (5) through a pipeline, so that the excess plating liquid returns to the plating liquid tank (5) for storage. The filter pump (6) returns the plating liquid in the plating liquid tank (5) to the reinforcement section (1) and the sand blowing box (7) through the pipeline through the liquid inlet (11). The sand blowing box (7) is connected to the sand blowing liquid inlet (31) on the sand blowing section (3) through a pipeline. The sand feeding amount of the diamond wire saw is controlled by adjusting the flow meter on the pipeline between the sand blowing box (7) and the sand blowing liquid inlet (31). The bottom of the reinforcement section (1) is connected to the inverted cone sand feeding port through a flange. The anode (13) passes through the reinforcement section (1) and reaches the middle of the upper sand section (2). The bottom of the upper sand section (2) is filled with corundum (9). The bottom of the upper sand section (2) is connected to the sand blowing section (3) through a flange. The sand blowing section (3) consists of a sand blowing area (34), a transition area (33) and a buffer area (32). The bottom of the sand blowing area (34) is in an inverted cone shape and connected to the transition area (33) with an inner diameter of 5 mm. The inner diameter of the buffer area (32) is larger than that of the sand blowing area (34) and forms a cavity. Sand blasting liquid inlets (31) are provided at opposite positions on both sides of the inner wall of the buffer zone (32); the bottom of the sand blasting section (3) is connected to the line inlet section (4) via a flange; the line inlet section (4) comprises a sand discharge port (42), a line inlet hole (44) and a pressing plug (43), wherein the sand discharge port (42) and the line inlet hole (44) are both connected below the buffer zone (32), wherein the sand discharge port (42) is arranged obliquely; a pressing plug (43) is installed at the bottom of the line inlet section (4), and an elastic rubber plug (41) is installed between the pressing plug (43) and the line inlet hole (44); The control method of the above device comprises the following steps: Step 1: The steel wire (8) is inserted from the compression plug (43) in the wire inlet section (4), passes through the sand blowing section (3), the sand supply section (2) and the anode (13) in the reinforcement section (1) in sequence, and the two ends of the steel wire (8) are connected to the cathode through the conductive wheel; the speed of the steel wire (8) passing through the sand supply section (2) is maintained at 5-8 m / min; Step 2, adding corundum (9) from the top of the reinforcement section (1), and after the addition is completed, injecting the plating solution from the liquid inlet (11), and continuously injecting the plating solution until it reaches the overflow port (12). When the plating solution returns to the plating solution tank (5) through the overflow port (12), the filter pump (6) pumps the plating solution back into the liquid inlet (11), and the cycle repeats; Step three, by adjusting the flow meter installed between the sand blowing box (7) and the sand blowing liquid inlet (31), the diamond sand in the upper sand section (2) is controlled to remain suspended within 150 mm of the bottom of the cone; the flow rate of the sand blowing liquid inlet (31) is 20-40 mL / min.

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