阅读说明：本技术 凹形曲面金刚石磨削滚轮的加工方法 (Processing method of concave curved surface diamond grinding roller ) 是由 吴军 于 2020-12-10 设计创作，主要内容包括：本发明公开了凹形曲面金刚石磨削滚轮的加工方法,涉及金刚石滚轮加工技术领域,为解决现有凹形曲面金刚石磨削滚轮在针对凹形曲面进行加工的过程中精确度一般,导致其后续成品质量下降的问题。步骤1：金刚石选用：选择高温高压金刚石或cvd金刚石,高温高压金刚石通过石墨混合催化剂再利用六面顶压机模仿天然金刚石在地底的形成环境进行制备；cvd金刚石为cvd金刚石制备机制备而成；步骤2：阴模加工：设计阴模图纸,选用高强度材料如石墨、高锰钢,对其进行粗车、钻孔、攻丝、热处理、打磨、研磨；步骤3：芯子加工：选用高锰钢制作芯子,芯子内孔单边余量为0.10mm,芯子外圆车成后开横竖沟槽。(The invention discloses a processing method of a concave curved surface diamond grinding roller, relates to the technical field of diamond roller processing, and aims to solve the problem that the quality of a subsequent finished product is reduced due to the fact that the conventional concave curved surface diamond grinding roller has general accuracy in the process of processing a concave curved surface. Step 1: selecting diamond: selecting a high-temperature high-pressure diamond or a cvd diamond, and preparing the high-temperature high-pressure diamond by using a graphite mixed catalyst and simulating the formation environment of natural diamond in the ground by using a cubic press; the cvd diamond is prepared by a cvd diamond preparation machine; step 2: and (3) female die processing: designing female die drawings, selecting high-strength materials such as graphite and high manganese steel, and performing rough turning, drilling, tapping, heat treatment, polishing and grinding on the high-strength materials; and step 3: core processing: the core is made of high manganese steel, the single-side allowance of the inner hole of the core is 0.10mm, and the outer circle of the core is turned into a transverse and vertical groove.)

1. The processing method of the concave curved surface diamond grinding roller is characterized in that: the method comprises the following steps:

step 1: selecting diamond: selecting a high-temperature high-pressure diamond or a cvd diamond, and preparing the high-temperature high-pressure diamond by using a graphite mixed catalyst and simulating the formation environment of natural diamond in the ground by using a cubic press; the cvd diamond is prepared by a cvd diamond preparation machine;

step 2: and (3) female die processing: designing female die drawings, selecting high-strength materials such as graphite and high manganese steel, and performing rough turning, drilling, tapping, heat treatment, polishing and grinding on the high-strength materials;

and step 3: core processing: selecting high manganese steel to manufacture a core, wherein the single-side allowance of an inner hole of the core is 0.10mm, turning the outer circle of the core into a transverse groove and a vertical groove, polishing the groove by using a polisher, and carrying out heat treatment on the core to ensure that the hardness of the core reaches HRC 42;

and 4, step 4: selecting an auxiliary tool;

and 5: plating the diamond roller;

step 6: pouring;

and 7: and (3) machining: designing a processing drawing, setting a processing curved surface of a cutting mechanism to be-0.15, setting the reserved amount of the processing curved surface to be 0.2mm before using a numerical control cutter, ensuring that X, Y and Z are 0.2mm in three directions, using a 30R5 round nose cutter in the processing, generating a single side in the XY direction by a cutter compensation to be 0.3mm, ensuring that the reserved amount in the Z direction is 0.2mm, ensuring that the reserved amount in the XY direction is 0.5mm, performing fine processing, wherein the reserved amount of the processing curved surface is equal to or more than the reserved amount of a side wall processed by a front program, selecting a bidirectional or unidirectional cutting mode as a cutting mode, using a surface which is 0.1mm higher as a processing surface when the contour fine processing is equal to the height, enabling a processing cutter path to be 0.1 in the Z direction, enabling a side surface to be 0, enabling a shallow plane and an arc surface to be reserved amount, and setting the lowest position to be 0.02mm higher than a bottom surface when the cutting depth is set, and avoiding cutter receiving marks generated by cutter setting, the side face which is reduced by 0.2mm is interfered, the reserved amount of the interference curved surface is 0.1mm, so that the cutter path can extend by 0.1mm, the joint between the cutter paths is more ideal, and then electric spark operation is carried out on the cutter path;

and 8: the diamond roller detection comprises a diamond roller detection mechanism (12).

2. The method of claim 1, wherein the method comprises the steps of: the auxiliary tools are generally divided into organic glass insulating clamps and casting low-melting alloy clamps.

3. The method of claim 1, wherein the method comprises the steps of: the diamond roller inner plating comprises six parts of purification treatment, installation of an insulating clamp, weak acid activation treatment, sanding, thickening, sand unloading and thickening electroplating, wherein the purification treatment is chemical heat treatment, and a standby anode is prepared during thickening, sand unloading and thickening electroplating.

4. The method of claim 3, wherein: when the sand is fed and thickened, the female die is moved in a reciprocating mode and rotated by a moving mechanism, and the inner wall of the female die is electroplated by an electrolyte convection method.

5. The method of claim 4, wherein: the moving mechanism comprises a reciprocating moving mechanism (1), a first driving box (2) is installed at one end of the reciprocating moving mechanism (1), a first driving motor (3) is installed inside the first driving box (2), a first coupler (4) is installed at the output end of the first driving motor (3), a ball screw (5) is installed at one end of the first coupler (4), the output end of the first driving motor (3) is in transmission connection with the ball screw (5) through the first coupler (4), and a moving slider (6) is installed on the outer wall of the ball screw (5).

6. The method of claim 5, wherein: remove the upper end of slider (6) and install second drive case (7), the internally mounted of second drive case (7) has second driving motor (8), second shaft coupling (9) are installed to the output of second driving motor (8), transfer line (10) are installed to the upper end of second shaft coupling (9), and the output of second driving motor (8) passes through second shaft coupling (9) and is connected with transfer line (10) transmission, revolving stage (11) are installed to the upper end of transfer line (10).

7. The method of claim 3, wherein: and in the sand feeding process, a micro stirrer is used for stirring the diamond, so that hydrogen bubbles remained in the diamond are discharged, sand is discharged, electroplating thickening is carried out for 4-8h, the current intensity is enhanced within 1-2h before electroplating is finished, the current is increased to be 20-35% higher than that before, and the surface of a plating layer is roughened so as to enhance the bonding fastness of subsequent pouring.

8. The method of claim 1, wherein the method comprises the steps of: in the pouring process, low-melting alloy with the deviation of 200 ℃ up and down within 5 ℃ is selected, and epoxy resin is selected as a bonding material.

9. The method of claim 1, wherein the method comprises the steps of: during the electric spark operation, the single side of a spark gap is 0.08mm, a flat cutter with the diameter of 12mm is used during the operation, the cutting edge is transversely cut, the finishing is set to be 0.1mm once, the transverse cutting is divided into 4 times, and an obliquely inserted lower cutter or a forward and backward cutter is selected according to the type of the groove, so that the groove forms a concave curved surface structure.

10. The method of claim 1, wherein the method comprises the steps of: the utility model discloses a diamond roller detection mechanism, including diamond roller detection mechanism (12), cylinder (13) are installed to intermediate position department of diamond roller detection mechanism (12) upper end, pneumatic push rod (14) are installed to the output of cylinder (13), pneumatic ejector pad (15) are installed to the lower extreme of pneumatic push rod (14), and the output of cylinder (13) passes through pneumatic push rod (14) and is connected with pneumatic ejector pad (15) transmission, the lower surface mounting of pneumatic ejector pad (15) has tooth (16), remove slide rail (19) are installed to the below of pneumatic ejector pad (15), the upper surface mounting who removes slide rail (19) has removal slider (18), grip block (17) are all installed to the both sides of removal slider (18) upper surface, detection camera (20) are all installed to the inside both sides of diamond roller detection mechanism (12).

Technical Field

The invention relates to the technical field of diamond roller processing, in particular to a processing method of a concave curved surface diamond grinding roller.

Background

Diamond roller for the high efficiency, high life, low cost wheel dresser of big batch shaping grinding's special machine tool and gear grinder processing, diamond roller's theory of operation is: the diamond roller wheel is arranged on a trimming device of a grinding machine, a common ceramic grinding wheel or a CBN grinding wheel is trimmed by the diamond roller wheel, and a part is ground after the grinding wheel is formed, so that the contour, the precision and the size of the diamond roller wheel are copied to the surface of the processed part through the grinding wheel. The grinding machine has the characteristics that the machine tool is simple to operate, the technical requirement on operators is not high, the processed products are good in precision consistency and stable in quality, the production efficiency and the product quality can be obviously improved, the manufacturing cost is reduced, and the grinding machining automation is easy to realize.

However, the existing concave curved surface diamond grinding roller has the problem that the quality of a subsequent finished product is reduced due to the general accuracy in the process of processing a concave curved surface; therefore, the existing requirements are not met, and a processing method of the concave curved diamond grinding roller is provided for the concave curved diamond grinding roller.

Disclosure of Invention

The invention aims to provide a processing method of a concave curved surface diamond grinding roller, which aims to solve the problem that the quality of a subsequent finished product is reduced because the accuracy of the existing concave curved surface diamond grinding roller in the process of processing a concave curved surface is general.

In order to achieve the purpose, the invention provides the following technical scheme: the processing method of the concave curved surface diamond grinding roller comprises the following steps:

step 1: selecting diamond: selecting a high-temperature high-pressure diamond or a cvd diamond, and preparing the high-temperature high-pressure diamond by using a graphite mixed catalyst and simulating the formation environment of natural diamond in the ground by using a cubic press; the cvd diamond is prepared by a cvd diamond preparation machine;

step 2: and (3) female die processing: designing female die drawings, selecting high-strength materials such as graphite and high manganese steel, and performing rough turning, drilling, tapping, heat treatment, polishing and grinding on the high-strength materials;

and step 3: core processing: selecting high manganese steel to manufacture a core, wherein the single-side allowance of an inner hole of the core is 0.10mm, turning the outer circle of the core into a transverse groove and a vertical groove, polishing the groove by using a polisher, and carrying out heat treatment on the core to ensure that the hardness of the core reaches HRC 42;

and 4, step 4: selecting an auxiliary tool;

and 5: plating the diamond roller;

step 6: pouring;

and 7: and (3) machining: designing a processing drawing, setting a processing curved surface of a cutting mechanism to be-0.15, setting the reserved amount of the processing curved surface to be 0.2mm before using a numerical control cutter, ensuring that X, Y and Z are 0.2mm in three directions, using a 30R5 round nose cutter in the processing, generating a single side in the XY direction by a cutter compensation to be 0.3mm, ensuring that the reserved amount in the Z direction is 0.2mm, ensuring that the reserved amount in the XY direction is 0.5mm, performing fine processing, wherein the reserved amount of the processing curved surface is equal to or more than the reserved amount of a side wall processed by a front program, selecting a bidirectional or unidirectional cutting mode as a cutting mode, using a surface which is 0.1mm higher as a processing surface when the contour fine processing is equal to the height, enabling a processing cutter path to be 0.1 in the Z direction, enabling a side surface to be 0, enabling a shallow plane and an arc surface to be reserved amount, and setting the lowest position to be 0.02mm higher than a bottom surface when the cutting depth is set, and avoiding cutter receiving marks generated by cutter setting, the side face which is reduced by 0.2mm is interfered, the reserved amount of the interference curved surface is 0.1mm, so that the cutter path can extend by 0.1mm, the joint between the cutter paths is more ideal, and then electric spark operation is carried out on the cutter path;

and 8: the diamond roller detection comprises a diamond roller detection mechanism.

Preferably, the auxiliary tool is generally divided into a plexiglass insulating clamp and a cast low-melting alloy clamp.

Preferably, the diamond roller inner plating comprises six parts of purification treatment, installation of an insulating clamp, weak acid activation treatment, sanding feeding, thickening, sand unloading and electroplating thickening, wherein the purification treatment is chemical heat treatment, and a standby anode is prepared during thickening, sand unloading and electroplating thickening.

Preferably, the moving mechanism is used for reciprocating and rotating the female die during sanding and thickening, and the inner wall of the female die is electroplated by using an electrolyte convection method.

Preferably, the moving mechanism comprises a reciprocating moving mechanism, a first driving box is installed at one end of the reciprocating moving mechanism, a first driving motor is installed inside the first driving box, a first shaft coupling is installed at the output end of the first driving motor, a ball screw is installed at one end of the first shaft coupling, the output end of the first driving motor is in transmission connection with the ball screw through the first shaft coupling, and a moving slide block is installed on the outer wall of the ball screw.

Preferably, the second drive case is installed to the upper end of removal slider, the internally mounted of second drive case has second driving motor, the second shaft coupling is installed to second driving motor's output, the transfer line is installed to the upper end of second shaft coupling, and second driving motor's output passes through the second shaft coupling and is connected with the transfer line transmission, the revolving stage is installed to the upper end of transfer line.

Preferably, a micro-stirrer is used for stirring the diamond in the sand feeding process, hydrogen bubbles remained in the diamond are discharged, sand is discharged, electroplating is carried out for 4-8 hours in the electroplating thickening process, the current intensity is enhanced within 1-2 hours before the electroplating is finished, the current is enabled to be greater than the previous 20-35%, and the surface of a coating is roughened so as to enhance the bonding fastness of subsequent pouring.

Preferably, the casting process selects low-melting alloy with the deviation of 200 ℃ and the upper and lower parts within 5 ℃, and selects epoxy resin as the bonding material.

Preferably, during the electric spark operation, the single side of the spark gap is 0.08mm, during the operation, a flat cutter with the diameter of 12mm is used, the cutting edge is used for transversely cutting, the fine trimming is set to be 0.1mm once, the transverse cutting is divided into 4 times, and the inclined insertion type lower cutter or the forward and backward cutter is selected according to the type of the groove, so that the concave curved surface structure is formed.

Preferably, the cylinder is installed to diamond roller detection mechanism upper end intermediate position department, pneumatic push rod is installed to the output of cylinder, pneumatic ejector pad is installed to pneumatic push rod's lower extreme, and the output of cylinder passes through pneumatic push rod and is connected with pneumatic ejector pad transmission, the lower surface mounting of pneumatic ejector pad has tooth, the removal slide rail is installed to the below of pneumatic ejector pad, the last surface mounting of removal slide rail has the removal slider, the grip block is all installed to the both sides of removal slider upper surface, the detection camera is all installed to the inside both sides of diamond roller detection mechanism.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the diamond is selected before processing, so that the whole diamond roller has a good foundation before processing, then the female die and the core are processed, so that the female die and the core are processed more reasonably and perfectly, and during the processing of the diamond roller, the concave curved surface required to be formed in the processing process is processed by adopting accurate cutting path cutting, so that the deviation value in the processing operation process is far less than one millimeter, so that the whole diamond roller is more accurate and perfect.

2. Utilize first driving motor and ball to drive and remove the slider and carry out reciprocating linear motion, it drives the second drive case of top and removes at the in-process that removes the slider, be equipped with second driving motor in the second drive case, second driving motor utilizes the electric power to drive the revolving stage of transfer line and top and rotates, can carry out effectual reciprocating type removal and rotation when the bed die is placed and is installed on the revolving stage, thereby can accelerate the efficiency that the electric current got into inside, inside current density has been improved indirectly, the user of being convenient for more uses.

3. Utilize the cylinder to drive pneumatic push rod and pneumatic ejector pad downward application pressure, make tooth effect on the diamond gyro wheel, carry out pressure detection to it, the grip block is used for carrying out the centre gripping to it and fixes, the detection camera of both sides is inspected its surface and is observed, the removal slide rail of bottom and removal slider are used for being convenient for to remove it to the below of tooth and detect to the user of can being convenient for carries out pressure detection to the diamond gyro wheel after processing.

Drawings

FIG. 1 is a schematic view of the overall process flow of the present invention;

FIG. 2 is a schematic view of the diamond roller inner plating process of the present invention;

FIG. 3 is a schematic view of the overall structure of the reciprocating mechanism of the present invention;

FIG. 4 is a partial structural view of a first driving box according to the present invention;

FIG. 5 is a partial structural view of a second driving box according to the present invention;

FIG. 6 is a schematic view of the overall structure of the diamond roller detection mechanism of the present invention;

in the figure: 1. a reciprocating mechanism; 2. a first drive case; 3. a first drive motor; 4. a first coupling; 5. a ball screw; 6. moving the slide block; 7. a second drive box; 8. a second drive motor; 9. a second coupling; 10. a transmission rod; 11. a rotating table; 12. a diamond roller detection mechanism; 13. a cylinder; 14. a pneumatic push rod; 15. a pneumatic push block; 16. teeth; 17. a clamping block; 18. moving the slide block; 19. moving the slide rail; 20. and detecting the camera.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-6, an embodiment of the present invention is shown: the processing method of the concave curved surface diamond grinding roller comprises the following steps:

step 1: selecting diamond: selecting a high-temperature high-pressure diamond or a cvd diamond, and preparing the high-temperature high-pressure diamond by using a graphite mixed catalyst and simulating the formation environment of natural diamond in the ground by using a cubic press; the cvd diamond is prepared by a cvd diamond preparation machine;

step 2: and (3) female die processing: designing female die drawings, selecting high-strength materials such as graphite and high manganese steel, and performing rough turning, drilling, tapping, heat treatment, polishing and grinding on the high-strength materials;

and step 3: core processing: selecting high manganese steel to manufacture a core, wherein the single-side allowance of an inner hole of the core is 0.10mm, turning the outer circle of the core into a transverse groove and a vertical groove, polishing the groove by using a polisher, and carrying out heat treatment on the core to ensure that the hardness of the core reaches HRC 42;

and 4, step 4: selecting an auxiliary tool;

and 5: plating the diamond roller;

step 6: pouring;

and 7: and (3) machining: designing a processing drawing, setting a processing curved surface of a cutting mechanism to be-0.15, setting the reserved amount of the processing curved surface to be 0.2mm before using a numerical control cutter, ensuring that X, Y and Z are 0.2mm in three directions, using a 30R5 round nose cutter in the processing, generating a single side in the XY direction by a cutter compensation to be 0.3mm, ensuring that the reserved amount in the Z direction is 0.2mm, ensuring that the reserved amount in the XY direction is 0.5mm, performing fine processing, wherein the reserved amount of the processing curved surface is equal to or more than the reserved amount of a side wall processed by a front program, selecting a bidirectional or unidirectional cutting mode as a cutting mode, using a surface which is 0.1mm higher as a processing surface when the contour fine processing is equal to the height, enabling a processing cutter path to be 0.1 in the Z direction, enabling a side surface to be 0, enabling a shallow plane and an arc surface to be reserved amount, and setting the lowest position to be 0.02mm higher than a bottom surface when the cutting depth is set, and avoiding cutter receiving marks generated by cutter setting, the side face which is reduced by 0.2mm is interfered, the reserved amount of the interference curved surface is 0.1mm, so that the cutter path can extend by 0.1mm, the joint between the cutter paths is more ideal, and then electric spark operation is carried out on the cutter path;

and 8: the diamond roller inspection includes a diamond roller inspection mechanism 12.

Further, appurtenance chooses for use and generally divide into organic glass insulation jig and casting low-melting alloy anchor clamps, and organic glass insulation jig and casting low-melting alloy anchor clamps have good insulating effect, can be fit for the user more and carry out the centre gripping and use at the bed die.

Further, diamond roller inner plating comprises six parts of purification treatment, installation of an insulating clamp, weak acid activation treatment, sanding, thickening, sand unloading and electroplating thickening, wherein the purification treatment is chemical heat treatment, a standby anode is prepared during thickening, sand unloading, electroplating thickening, and diamond roller inner plating is used for enhancing the wear-resistant effect of the diamond roller, so that the service life of the diamond roller is prolonged.

Furthermore, when sanding and thickening are carried out, the female die is enabled to move in a reciprocating mode and rotate by the aid of the moving mechanism, the inner wall of the female die is electroplated by the aid of an electrolyte convection method, and current can conveniently enter the female die through the reciprocating movement and the rotation.

Further, the moving mechanism comprises a reciprocating moving mechanism 1, a first driving box 2 is installed at one end of the reciprocating moving mechanism 1, a first driving motor 3 is installed inside the first driving box 2, a first coupler 4 is installed at the output end of the first driving motor 3, a ball screw 5 is installed at one end of the first coupler 4, the output end of the first driving motor 3 is in transmission connection with the ball screw 5 through the first coupler 4, a moving slider 6 is installed on the outer wall of the ball screw 5, and the first driving motor 3 and the ball screw 5 can drive the moving slider 6 to perform reciprocating linear movement.

Further, a second driving box 7 is installed at the upper end of the movable sliding block 6, a second driving motor 8 is installed inside the second driving box 7, a second coupler 9 is installed at the output end of the second driving motor 8, a transmission rod 10 is installed at the upper end of the second coupler 9, the output end of the second driving motor 8 is in transmission connection with the transmission rod 10 through the second coupler 9, a rotary table 11 is installed at the upper end of the transmission rod 10, the movable sliding block 6 drives the second driving box 7 above to move in the moving process, a second driving motor 8 is arranged in the second driving box 7, the second driving motor 8 drives the transmission rod 10 and the rotary table 11 above to rotate by using electric power, when a female die is placed and installed on the rotary table 11, effective reciprocating movement and rotation can be performed, so that the efficiency of current entering the inside can be accelerated, and the current density inside is indirectly improved, more convenient for users to use.

Furthermore, a micro-stirrer is used for stirring the diamond in the sand feeding process, so that hydrogen bubbles remained in the diamond are discharged, the electroplating operation is carried out for 4-8 hours in the sand discharging and electroplating thickening process, the current intensity is enhanced within 1-2 hours before the electroplating is finished, the current is greater than the current by 20-35%, and the surface of the coating is roughened so as to enhance the bonding firmness of subsequent pouring and ensure that the coating is firmer in the subsequent pouring process.

Further, in the pouring process, low-melting alloy with the deviation of up to and down to be within 5 ℃ is selected, epoxy resin is selected as a bonding material, and the more accurate the temperature control of the poured low-melting alloy is, the more influence on the precision of the roller can be reduced.

Further, during electric spark operation, the single side of a spark gap is 0.08mm, a flat cutter with the diameter of 12mm is used during operation, the cutting edge is transversely cut, the finishing is set to be 0.1mm once, the flat cutter is transversely cut for 4 times, an obliquely inserted lower cutter or a cutter is selected to be moved forward and backward according to the type of the groove, so that the groove is in a concave curved surface structure, and a user can conveniently process and use the complex cavity of the concave curved surface by using electric sparks.

Further, an air cylinder 13 is installed at the middle position of the upper end of the diamond roller detection mechanism 12, an air push rod 14 is installed at the output end of the air cylinder 13, an air push block 15 is installed at the lower end of the air push rod 14, the output end of the air cylinder 13 is in transmission connection with the air push block 15 through the air push rod 14, teeth 16 are installed on the lower surface of the air push block 15, a movable slide rail 19 is installed below the air push block 15, a movable slide block 18 is installed on the upper surface of the movable slide rail 19, clamping blocks 17 are installed on two sides of the upper surface of the movable slide block 18, detection cameras 20 are installed on two sides inside the diamond roller detection mechanism 12, the air push rod 14 and the air push block 15 are driven by the air cylinder 13 to apply pressure downwards, the teeth 16 act on the diamond roller to perform pressure detection on the diamond roller, the clamping blocks 17 are used for clamping and fixing the diamond roller, the detection cameras 20, the moving slide rail 19 and the moving slide block 18 at the bottom are used for conveniently moving the diamond roller to the lower part of the tooth 16 for detection, so that a user can conveniently detect the pressure of the processed diamond roller.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.