WO2024002233A1 - Appareil de coupe de fil de diamant, procédé et appareil de commande de coupe de fil - Google Patents

Appareil de coupe de fil de diamant, procédé et appareil de commande de coupe de fil Download PDF

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Publication number
WO2024002233A1
WO2024002233A1 PCT/CN2023/103801 CN2023103801W WO2024002233A1 WO 2024002233 A1 WO2024002233 A1 WO 2024002233A1 CN 2023103801 W CN2023103801 W CN 2023103801W WO 2024002233 A1 WO2024002233 A1 WO 2024002233A1
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WO
WIPO (PCT)
Prior art keywords
axis
cutting
cut
platform
component
Prior art date
Application number
PCT/CN2023/103801
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English (en)
Chinese (zh)
Inventor
仇健
王鹏
许雷
周健
王兆蕊
Original Assignee
青岛高测科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN202210764302.0A external-priority patent/CN114985857B/zh
Priority claimed from CN202210764301.6A external-priority patent/CN115008322B/zh
Priority claimed from CN202223600338.XU external-priority patent/CN219522631U/zh
Priority claimed from CN202223595527.2U external-priority patent/CN219171327U/zh
Priority claimed from CN202223600336.0U external-priority patent/CN219170308U/zh
Priority claimed from CN202223595479.7U external-priority patent/CN219686173U/zh
Priority claimed from CN202211731223.6A external-priority patent/CN116638162A/zh
Application filed by 青岛高测科技股份有限公司 filed Critical 青岛高测科技股份有限公司
Publication of WO2024002233A1 publication Critical patent/WO2024002233A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D57/00—Sawing machines or sawing devices not covered by one of the preceding groups B23D45/00 - B23D55/00
    • B23D57/02—Sawing machines or sawing devices not covered by one of the preceding groups B23D45/00 - B23D55/00 with chain saws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
    • B23H7/02—Wire-cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
    • B28D5/04—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by tools other than rotary type, e.g. reciprocating tools

Definitions

  • the present application relates to the technical field of diamond wire cutting, specifically, to a diamond wire cutting device, a wire cutting control method and a device.
  • Conventional diamond linear surface cutting uses the linkage of the X-axis and Y-axis to perform curve feed to achieve CNC surface cutting. This method has certain flaws. Relative to the material, the cutting tool always maintains the same direction and position. When the material being cut is fed in a curve, it will produce resistance to the diamond wire along the tangent direction of the cutting point on the curve, causing the diamond wire to move in that direction. Produces a line bow. This line bow will form a certain angle with the centerline of the wheel groove of the cutting guide wheel ( Figure 1). The tangent directions at each point of the curve are not the same, which causes the direction of the line bow generated during cutting to always change.
  • the constant changes in the direction of the wire bow cause the diamond wire to swing and oscillate, resulting in oscillatory changes in the cutting resistance. These changes cause the direction and size of the wire bow to be uncontrollable, eventually causing the actual cutting position to deviate from the preset walking trajectory, resulting in a decrease in cutting accuracy.
  • the vibration during the cutting process can also cause problems such as disconnection and disconnection, and the failure rate is high.
  • the embodiment of the present application provides a diamond wire cutting device to solve the problem that when cutting a curve, the wire bow forms a certain angle with the center line of the wheel groove of the cutting guide wheel, causing the direction and size of the wire bow to continuously change during the cutting process, and the actual cutting position deviates. Problem with preset walking trajectory.
  • a diamond wire cutting device including: a cutting component used to cut materials to be cut; a loading component used to clamp and fix the materials to be cut; a control component connected to the cutting component and the loading component respectively,
  • the control component is used to control the cutting surface and/or the material to be cut to rotate around the preset rotation axis according to the preset path to be cut, so that the actual cutting direction of the cutting point is consistent with the tangent line at the cutting point in the preset path to be cut.
  • the directions are consistent and coplanar with the standard cutting surface; wherein the standard cutting surface is the plane where the center line of the cutting wheel groove is located.
  • An embodiment of the present application provides a diamond wire cutting device, including: a cutting component, used to cut the material to be cut; a loading component, used to clamp and fix the material to be cut; a control component, respectively connected with the cutting component and the loading component Connection, the control component is used to control the cutting surface and/or the rotation of the material to be cut around the preset rotation axis according to the preset path to be cut, so that the actual cutting direction of the cutting point is consistent with the tangent direction at the cutting point in the preset path to be cut.
  • the standard cutting surface is the plane where the center line of the cutting wheel groove is located.
  • the diamond wire cutting device provided in the embodiment of the present application has the following technical effects:
  • the control component of this application controls the cutting surface and/or the material to be cut to rotate around the preset rotation axis according to the preset path to be cut, so that the actual cutting direction of the cutting point is consistent with the tangent direction of the cutting point in the preset path to be cut, and Coplanar with standard cutting surfaces. Therefore, according to the curve change of the shape surface, the angle between the material to be cut and the diamond wire is automatically adjusted by indexing, so that the direction of each cutting point of the diamond wire walking is consistent with the tangent direction of the shape surface at that position, and is coplanar with the standard cutting surface.
  • Figure 1 is a cutting schematic diagram of a diamond wire cutting device in the prior art
  • Figure 2 is a cutting schematic diagram of a diamond wire cutting device provided by an embodiment of the present application
  • Figure 3 is a schematic structural diagram of a diamond wire cutting device provided by an embodiment of the present application
  • Figure 4 is a schematic structural diagram of a horizontal diamond wire cutting machine provided by an embodiment of the present application
  • Figure 5 is a schematic structural diagram of a diamond wire cutting device provided by another embodiment of the present application
  • Figure 6 is another implementation of the present application.
  • Figure 7 is a schematic structural diagram of a planar rectangular coordinate system provided by an embodiment of the present application
  • Figure 8 is a schematic structural diagram of the core part of a wire cutting device provided by an embodiment of the present application
  • Figure 9 8 is a schematic structural diagram from another perspective
  • FIG. 10 is a schematic structural diagram from another perspective of FIG. 8;
  • FIG. 7 is a schematic structural diagram of a planar rectangular coordinate system provided by an embodiment of the present application
  • Figure 8 is a schematic structural diagram of the core part of a wire cutting device provided by an embodiment of the present application
  • Figure 9 8 is a schematic structural diagram from another perspective
  • FIG. 10 is a schematic structural diagram from another perspective of FIG. 8
  • FIG. 11 is a schematic structural diagram of the core part of another wire cutting device provided by an embodiment of the present application; One perspective; Figure 13 is another perspective of Figure 11; Figure 14 is a schematic structural diagram of the core part of another wire cutting device provided by an embodiment of the present application; Figure 15 is a schematic structural diagram of Figure 14 from another perspective; Figure 16 is a diagram 15 is a schematic structural diagram from another perspective; Figure 17 is a schematic structural diagram of a special-shaped protective door provided by an embodiment of the present application; Figure 18 is a schematic structural diagram of the first power-assisted form of the special-shaped protective door shown in Figure 17; Figure 19 is Figure 17 is a schematic structural diagram of the second power-assisted form of the special-shaped protective door shown in Figure 17; Figure 20 is a schematic structural diagram of the third power-assisted form of the special-shaped protective door shown in Figure 17; Figure 21 is another structural diagram of the special-shaped protective door shown in Figure 17 A schematic structural diagram from one perspective; Figure 22 is a schematic structural diagram of the protective door of the special-shaped
  • Figure 26 is a schematic diagram of the processing principle of the wire cutting control method provided by the embodiment of the present application
  • Figure 27 is a schematic diagram of the overall structure of the wire cutting device
  • Figure 28 is a schematic structural diagram of the cutting assembly and its lifting adjustment mechanism
  • Figure 29 is a schematic diagram of the material loading platform Schematic diagram of the overall structure.
  • the markings in the drawings are as follows: 110 clamping assembly, 2 rotary power drive assembly, 100 material loading platform, 4 second direction drive assembly, 3 first direction drive assembly, 6 cutting wheel, 7 diamond wire, 8 drive device, 300 cutting Components, 10 winding chamber, 11 cutting fluid system; 100 material platform, 200 materials to be processed, 300 cutting components, 400 columns, 500 base, 101 working platform, 102Y-axis platform, 103X-axis platform, 104 tooling, 105C-axis turntable , 106 fixed part, 107 rotating part, 301 mounting frame, 302 sliding plate, 303 first cutting wheel, 304 second cutting wheel, 305 tension wheel, 306 driving wheel, 401 Z axis chute; 8100 power assist device, 8200 traction rope, 8300 Protective door, 8400 lifting guide rail, 8101 fixed pulley, 8102 counterweight, 8103 driving wheel, 8104 motor, 8110 fixed pulley assembly, 8120 counterweight assembly, 8210 wire rope assembly, 8301 transparent observation window, 8302 water retaining strip, 8303 Water
  • the embodiment of the present invention discloses a diamond wire cutting device to solve the problem that when cutting a curve, the wire bow forms a certain angle with the center line of the wheel groove of the cutting guide wheel, causing the direction and size of the wire bow to continuously change during the cutting process, and the actual cutting position deviates from the predetermined position. Let’s consider the walking trajectory problem.
  • Figure 2 is a cutting schematic diagram of a diamond wire cutting device provided by an embodiment of the present application.
  • the present application also provides a diamond wire cutting device, including: a cutting assembly 300, used for cutting the to-be- cutting material; the loading component is used to clamp and fix the cutting material; the control component is connected to the cutting component 300 and the loading component respectively, and the control component is used to control cutting according to the preset path to be cut and the preset line bow value
  • the surface and/or the material to be cut rotate around the preset rotation axis, so that the actual cutting direction of the cutting point is consistent with the tangent direction of the cutting point in the preset path to be cut, and is coplanar with the standard cutting surface; where, the standard cutting surface It is the plane where the centerline of the cutting wheel groove lies.
  • the cutting assembly 300 includes a cutting panel, a driving device (driving guide wheel) located on the cutting panel, and two oppositely arranged cutting wheels.
  • the cutting lines respectively bypass the two cutting wheels and one driving guide wheel to Form a network of cutting lines.
  • the guide wheel can also be provided as needed, and the cutting assembly 300 can be set according to actual needs, which are all within the protection scope of this application.
  • Diamond wire operation mode can It is a long-line reciprocating type or annular wire unidirectional type. The main function is to complete the cutting of materials through high-speed operation of the diamond wire.
  • This application obtains the tangent angle of the cutting point and the distance between the cutting point and the preset rotation axis by obtaining the preset path to be cut, and calculates the rotation angle of the preset rotation axis corresponding to the cutting point in the preset path to be cut; and based on the preset
  • the rotation angle of the rotation axis controls the rotation of the cutting surface and/or the material to be cut, so that the actual cutting direction of the cutting point is consistent with the tangent direction at the cutting point in the preset path to be cut, and is coplanar with the standard cutting surface.
  • the angle between the material to be cut and the diamond wire is automatically adjusted by indexing, so that the direction of each cutting point of the diamond wire walking is consistent with the tangent direction of the shape surface at that position, and is coplanar with the standard cutting surface. , thereby maintaining a stable wire bow, achieving controllable size and direction of the wire bow, avoiding the problem of inconsistency between the theoretical cutting pattern and the actual cutting pattern due to changes in the diamond wire bow, and achieving high-precision surface cutting of diamond wire.
  • a planar power drive assembly and a rotary power drive assembly 2 can be provided on the material loading assembly and/or the cutting assembly 300 respectively.
  • Figure 6 is a schematic structural diagram of a diamond wire cutting device provided in another embodiment 1-1 of the present application; in this embodiment 1-1, the rotational power drive assembly 2 is disposed on the cutting assembly 300, and the plane The power drive component is arranged on the material loading component; as shown in Figure 5,
  • Figure 5 is a schematic structural diagram of a diamond wire cutting device provided in another embodiment 1-2 of the present application; in this embodiment 1-2, the rotation power drive Component 2 is disposed on the material carrying component, and the planar power drive component is disposed on the cutting component 300; and the planar power drive component includes a first direction drive component 3 and a second direction drive component 4 to move the X-axis and Y-axis, As for the arrangement of the first direction driving assembly 3 and the second direction driving assembly 4, they can also be all arranged on the cutting
  • the first direction drive assembly 3 is composed of a drive servo motor, a ball screw, and a linear guide rail. Its main function is to drive the loading platform 100 to perform precise reciprocating linear motion along the X-axis. Linked with the Y-axis, the loading platform 100 can make precise and controllable curved movements.
  • the second direction drive assembly 4 is composed of a drive servo motor, a ball screw, and a linear guide rail. Its main function is to drive the material loading platform 100 to perform precise reciprocating linear motion along the Y-axis. Linked with the X-axis, the loading platform 100 can make precise and controllable curved movements.
  • the rotary power drive assembly 2 is composed of a drive servo motor, a coupling, and a rotary bearing box. Its main function is to drive the clamping device to rotate at the corresponding angle according to the angle of the cutting curve.
  • a rotation axis is added.
  • the cutting tool or the material to be cut will automatically shift and adjust the walking angle, so that the direction of each cutting point of the diamond wire travel is consistent with the tangent direction of the shape surface at that position, thereby maintaining a fixed Cutting the wire bow, the direction and size of the wire bow can be controlled.
  • the rotary power drive assembly 2 is provided on the cutting assembly 300, and the first direction drive assembly 3 and the second direction drive assembly 4 are provided on the material loading assembly as an example:
  • a rotary power drive assembly 2 is also included.
  • the rotary power drive assembly 2 includes a rotary power part and a rotary driving part. Among them, the rotary power part is connected to the control assembly, one end of the rotary drive part is connected to the rotary power part, and the other end is connected to the cutting assembly 300.
  • the rotary power drive assembly 2 is composed of a rotary motor, a base, and a gear assembly. . Its main function is to drive the cutting assembly to rotate at the corresponding angle according to the angle of the cutting curve.
  • the rotating power part is configured as a servo motor, which has an encoder to measure the rotation angle.
  • the rotating power component is a servo motor; the rotating driving component is a gear shaft driving mechanism.
  • the output end of the servo motor is connected to one end of the gear shaft driving mechanism, and the other end of the gear shaft driving mechanism is fixedly connected to the cutting assembly 300 . This improves control accuracy and reduces travel errors.
  • the loading component is connected to the control component to control the loading component to travel along the preset path to be cut.
  • the driving mode can be set to a gear transmission mechanism, a slide rail slider mechanism, etc., and can be set as needed to achieve the desired position of the loading component. Travel on the surface, that is, feed on the X-axis and Y-axis.
  • the material loading component includes a material loading platform 100 and a clamping component.
  • the clamping component is used to clamp the material to be cut; the clamping component is located on the material loading platform 100; the control component is connected to the material loading platform 100 to control The loading platform 100 travels along a preset path to be cut.
  • the loading assembly is composed of a loading platform 100 and a clamping assembly.
  • the clamping assembly consists of a clamping frame body and a clamping cylinder, which is arranged above the material loading table. The clamping cylinder clamps the material to be cut, and drives the material into the cutting area under the three-axis drive to complete the material cutting.
  • the first direction driving component 3 is located at the bottom of the material loading platform 100, where the first direction is set parallel to the plane of the cutting line of the cutting component 300; the first direction driving component 3 is connected to the control component to drive the material loading platform. 100 moves in the first direction, which is the X-axis direction.
  • the second direction driving component 4 is located at the bottom of the material loading platform 100, where the second direction is perpendicular to the plane of the cutting line of the cutting component 300; the second direction driving component 4 is connected to the control component to drive the material loading platform 100 along the first Move in two directions, namely the Y-axis direction.
  • the first direction driving component 3 and the second direction driving component 4 can be configured as one or more of a gear transmission mechanism, a slide block slide rail mechanism or a screw nut mechanism, such as using a screw nut mechanism and a slide block slide rail mechanism. Used in combination, or combined with gear transmission and slider slide mechanism.
  • the first direction driving component 3 and the second direction driving component 4 are preferably of the same arrangement. In other embodiments, the specific structures of the first direction driving component 3 and the second direction driving component 4 can be set as needed, which are all within the protection scope of this application.
  • the second direction driving component 4 is fixed on the bottom of the loading platform 100
  • the first direction driving component 3 is fixed on the bottom of the second direction driving component 4 .
  • the rotational power drive assembly 2 is provided on the material loading assembly, and the first direction drive assembly 3 and the second direction drive assembly 4 are provided on the cutting assembly 300 for illustration: wherein, the rotational power drive assembly 2 includes : The rotating power part is connected to the control component; the rotating driving part is connected to the rotating power part at one end, and the other end is connected to the material loading component; the control component controls the action of the rotating power part to drive the rotating driving part to drive the loading component to rotate.
  • the structure of the rotary power drive assembly 2 can be set with reference to Embodiment 1-1, and will not be described again here.
  • the cutting assembly 300 is connected to the control assembly for controlling the cutting assembly 300 to travel along the preset material feeding path. It can be understood that the preset material feeding path here and below is determined by determining the plane travel information of the cutting point in the preset path to be cut according to the preset path to be cut and the preset line bow value. According to the plane Travel information controls cutting assembly 300 travel.
  • the first direction driving component 3 and the second direction driving component 4 are arranged between the cutting component 300 and the control component.
  • the cutting component 300 includes a cutting knife and a cutting panel.
  • the cutting knife is arranged on the cutting panel.
  • the first direction driving component 3 and the second direction driving component 4 are arranged between the cutting component 300 and the control component.
  • the direction driving component 4 is provided at the bottom of the cutting panel.
  • the application also includes an angle detection component, which is respectively connected to the control component and the rotation axis drive component to detect the rotation angle of the loading component. Spend. It can be compared with the rotation angle of the rotating power part and fed back to the control component for judgment and adjustment.
  • this application also includes a wire bow detection component located on the cutting component 300.
  • the wire bow detection component is connected to the control component to detect the wire bow value of the cutting component 300 in real time and feed it back to the control component.
  • the control component determines the wire bow value according to the detected wire bow value.
  • the bow value controls the traveling speed during the cutting process, and then the line bow value is adjusted in real time to be equal to the preset line bow value.
  • the wire bow detection component can be disposed on the material carrying component, and the type of sensor can be set as needed, preferably a non-contact sensor to reduce interference to the cutting line.
  • control component includes: a preset path to be cut acquisition unit, used to obtain the preset path to be cut, the preset path to be cut includes a curved path; a rotation angle calculation unit of the preset rotation axis, used to calculate the preset path according to the preset path to be cut.
  • the path to be cut is obtained by obtaining the tangent angle of each cutting point, the distance between the cutting point and the preset rotation axis, and the rotation angle of the preset rotation axis corresponding to the cutting point in the preset path to be cut is calculated; the cutting point rotation angle control unit, Used to control the rotation of the cutting surface and/or the material to be cut around the preset rotation axis according to the rotation angle of the preset rotation axis, so that the actual cutting direction of the cutting point is consistent with the tangent direction of the cutting point in the preset path to be cut, and Coplanar with the standard cutting surface; where the standard cutting surface is the plane where the center line of the cutting wheel groove is located.
  • control component also includes: a preset line bow value acquisition unit, used to obtain the preset line bow value; a plane travel information determination unit, used to determine the cutting point according to the preset path to be cut and the preset line bow value.
  • the plane travel information in the path to be cut is preset; the plane travel control unit is used to control the cutting surface and/or the travel of the material to be cut based on the plane travel information.
  • control component also includes: a real-time line bow acquisition unit, used to obtain the real-time line bow value of the current cutting point; an actual plane travel information determination unit, used to calibrate the current cutting point according to the real-time line bow value of the current cutting point.
  • the plane travel information is used to obtain the actual plane travel information of the current cutting point and trigger the plane travel control unit action; the plane travel control unit is used to control the cutting point travel based on the actual plane travel information.
  • the material is fed in two-axis linkage, or the cutting tool is fed in two-axis linkage. The rotating axis is established on the stage holding the material to be cut.
  • a plane rectangular coordinate system is established with the preset rotation axis as the origin of the coordinate system.
  • the plane rectangular coordinate system includes the X-axis and the Y-axis.
  • the loading platform drives the material to be cut to rotate at a certain angle according to the walking curve, so that the cutting direction of each point is consistent with the tangent direction of the shape at that position, thereby ensuring that the bending direction and size of the wire bow remain unchanged.
  • the above device realizes three-axis movement. Compared with the original technology, the rotation axis movement is added.
  • the direction and angle of the diamond wire feed can be adjusted through the three-axis linkage, so that the direction and size of the force on the cutting wire remain unchanged; it can achieve Effective control of the wire bow direction and size of diamond wire cutting, while linear single-axis cutting and traditional two-axis cross loading platform 100 processing technology cannot effectively control the wire bow direction and size; through three-axis linkage, the walking of the cutting wire can be effectively controlled position, improve feeding accuracy, and achieve precise surface processing of materials.
  • the force direction and magnitude of the diamond wire can be effectively controlled, which can reduce or even eliminate the frequency of problems such as diamond wire breakage, diamond wire detachment, excessive wear of the cutting guide wheel and accidental cutting, which are common in traditional cutting technology, and improve all aspects of the process. Extend the service life of parts and reduce usage costs.
  • This application realizes effective control of the direction and size of the diamond wire cutting wire bow, and can perform more accurate surface cutting. Combined with the high-efficiency technical characteristics of diamond wire cutting, it can achieve efficient and accurate CNC surface cutting.
  • the problems of ineffective cutting such as disordered movement and vibration of the diamond wire during the cutting process will be effectively controlled, which not only improves the cross-section quality, but also effectively reduces the problems caused by ineffective cutting of the diamond wire. It wears itself out, improves cutting efficiency and service life, and further reduces usage costs.
  • Figure 2 is a schematic diagram of a diamond wire cutting device provided by an embodiment of the present application
  • Figure 3 is a schematic structural diagram of a diamond wire cutting device provided by an embodiment of the present application
  • Figure 4 is a schematic diagram of the diamond wire cutting device provided by an embodiment of the present application. Structural diagram of horizontal diamond wire cutting machine.
  • This application also provides a diamond wire cutting device, which in a specific implementation includes a cutting component 300, a material loading component and a control component.
  • the cutting assembly 300 includes a cutting panel, a guide wheel located on the cutting panel, a driving device 8 (driving guide wheel), and two oppositely arranged cutting wheels 6.
  • the cutting lines bypass the two cutting wheels respectively. 6.
  • the setting of the guide wheel can also be dispensed with, and the cutting assembly 300 can be set according to actual needs, which are all within the protection scope of the present application.
  • the operation mode of the diamond wire 7 can be a long-line reciprocating type or an annular wire unidirectional type. Its main function is to complete the cutting of materials through the high-speed operation of the diamond wire 7.
  • This application obtains the tangent angle of the cutting point and the distance between the cutting point and the preset rotation axis by obtaining the preset path to be cut, and calculates the rotation angle of the preset rotation axis corresponding to the cutting point in the preset path to be cut; and based on the preset Suppose the rotation angle of the rotation axis controls the rotation of the material to be cut, so that the actual cutting direction of the cutting point is consistent with the tangent direction of the cutting point in the preset path to be cut, and is coplanar with the standard cutting surface.
  • the angle between the material to be cut and the diamond wire is automatically adjusted by indexing, so that the direction of each cutting point of the diamond wire walking is consistent with the tangent direction of the shape surface at that position, and is coplanar with the standard cutting surface. , thereby maintaining a stable wire bow, achieving controllable size and direction of the wire bow, avoiding the problem of inconsistency between the theoretical cutting pattern and the actual cutting pattern due to changes in the diamond wire bow, and achieving high-precision surface cutting of diamond wire.
  • a rotary power drive assembly 2 is also included, and the rotary power drive assembly 2 includes a rotary power part and a rotary driving part.
  • the rotary power part is connected to the control component, one end of the rotary drive part is connected to the rotary power part, and the other end is connected to the material loading component.
  • the rotary drive part drives the material to be cut to rotate, so that the cutting point The actual cutting direction is consistent with the tangent direction at the cutting point in the preset path to be cut, and is coplanar with the standard cutting surface.
  • the loading assembly includes a loading platform 100 and a clamping assembly 110 .
  • the material loading platform 100 is used to carry the clamping component 110
  • the clamping component 110 is used to clamp the material to be cut.
  • the specific structure of the clamping component 110 can be set according to the material to be cut, such as a clamping claw or a loading platform.
  • the holding parts are all within the protection scope of this application.
  • One end of the rotary power drive assembly 2 is connected to the material loading platform 100, and is preferably arranged at the structural center of the material loading platform 100 to facilitate production and processing, as well as CNC data setting.
  • the other end of the rotational power drive assembly 2 is connected to the clamping assembly 110 to drive the clamping assembly 110 to rotate around the rotation axis on the loading platform 100.
  • the rotational power drive assembly 2 is preferably disposed at the structural center of the clamping assembly 110. at.
  • the rotating power part is fixed on the material loading platform 100; one end of the rotating driving part is connected to the rotating power part, and the other end is connected to the clamping assembly 110; the rotating driving part drives the clamping assembly 110 to rotate under the driving of the rotating power part.
  • the rotating power part is a servo motor;
  • the rotating driving part is a gear shaft driving mechanism, which is located on the material loading platform 100 and has one end protruding from the wall thickness of the material loading platform 100 and extending upward.
  • the output end of the servo motor is connected to the gear shaft driving mechanism.
  • One end of the gear shaft driving mechanism is connected to the clamping assembly 110 and the other end is fixedly connected.
  • the gear shaft driving mechanism is driven to rotate, and at the same time, the clamping assembly 110 located on the material loading platform 100 is driven to rotate.
  • the specific structure of the rotary driving member can also be provided as needed, which is within the protection scope of this application.
  • the material feeding can be realized through the feeding of the material loading platform 100 or the feeding of the cutting assembly 300 .
  • the material loading platform 100 is connected to a control component to control the material loading platform 100 to travel along a preset material feeding path.
  • the wire cutting device includes a first direction driving component 3 and a second direction driving component 4 .
  • the first direction driving component 3 is located at the bottom of the material loading platform 100, and the first direction is parallel to the plane of the cutting line of the cutting component 300; the first direction driving component 3 is connected to the control component to drive the material loading platform 100 along the first direction. move.
  • the second direction driving component 4 is located at the bottom of the material loading platform 100, and the second direction is perpendicular to the plane of the cutting line of the cutting component 300; the second direction driving component 4 is connected to the control component to drive the material loading platform 100 along the second direction. move.
  • the second direction driving component 4 is fixed on the bottom of the loading platform 100
  • the first direction driving component 3 is fixed on the bottom of the second direction driving component 4 .
  • the positions of the first direction driving component 3 and the second direction driving component 4 can be exchanged and set as needed.
  • the X-axis is the first direction and the Y-axis is the second direction.
  • the X-axis drive can make the loading platform 100 reciprocate along the X-axis;
  • the Y-axis driving can make the loading platform 100 reciprocate along the Y-axis;
  • the rotation axis The drive can cause the loading platform 100 to rotate forward and backward at a certain angle around the rotation axis.
  • the curved motion feeding of the loading platform 100 is realized through the motion of the three axes. Two-axis linkage feeding of materials is adopted, and the rotating axis is established on the material loading platform 100. Before cutting, set the wire bow size according to different material attribute parameters.
  • the material loading platform 100 drives the material to be cut to rotate at a certain angle according to the walking curve, so that the actual cutting direction of the cutting point is consistent with the preset path to be cut.
  • the tangent direction at the middle cutting point is consistent, thereby ensuring that the bending direction and size of the wire bow remain unchanged, achieving effective control of the direction and size of the wire bow, and achieving the purpose of using diamond wire 7 for precise cutting of shapes and surfaces.
  • the first direction driving component 3 and the second direction driving component 4 can be configured as one or more of a gear transmission mechanism, a slide block slide rail mechanism or a screw nut mechanism, such as using a screw nut mechanism and a slide block slide rail mechanism. Used in combination, or combined with gear transmission and slider slide mechanism.
  • the first direction driving component 3 and the second direction driving component 4 are preferably of the same arrangement.
  • the specific structures of the first direction driving component 3 and the second direction driving component 4 can be set as needed, which are all within the protection scope of this application.
  • the cutting assembly 300 is connected to the control assembly to control the cutting assembly 300 to travel along a preset material feeding path.
  • the cutting assembly 300 can be driven by a power part to realize the travel.
  • the specific setting of the power part is: The setting can be made with reference to the development level of the existing technology, and will not be described again here.
  • the device In order to detect the rotation angle of the loading platform 100 for feedback adjustment, the device also includes an angle detection component, which is connected to the control component and the rotation power drive component 2 respectively.
  • the angle detection component can be set as an encoder to detect the rotation power.
  • the rotation angle of the drive component 2 is detected and the real-time detected rotation angle is sent to the control component.
  • the control component compares the actual angle with the theoretical angle and makes adjustments based on the judgment results to further improve the control accuracy and theoretical cutting. The consistency between the graphics and the actual cutting graphics.
  • this application also includes a wire bow detection component located on the cutting component.
  • the wire bow detection component is connected to the control component to detect the wire bow value of the cutting component in real time and feed it back to the control component.
  • the control component determines the wire bow value according to the detected wire bow value.
  • the bow value controls the traveling speed during the cutting process, and then the line bow value is adjusted in real time to be equal to the preset line bow value.
  • the wire bow detection component can be disposed on the material carrying component, and the type of sensor can be set as needed, preferably a non-contact sensor to reduce interference to the cutting line.
  • the diamond wire cutting device is a horizontal diamond wire cutting machine.
  • the diamond wire cutting device includes: a winding room 10: the driving device 8 drives the diamond wire 7 to run at high speed, and the tension control device ensures that the diamond wire 7 maintains a stable tension.
  • the diamond wire 7 is wound out of the winding chamber 10 through the guide wheel, and the two cutting wheels 6 form a cutting tool.
  • Cutting wheel 6 supports the diamond wire 7 to complete the cutting action.
  • the loading platform 100 is composed of a first direction driving component 3 , a second direction driving component 4 , a rotational power driving component 2 and a clamping component 110 .
  • the curved motion feeding of the loading platform 100 is realized through the motion of the three axes.
  • Clamping assembly 110 arranged above the rotary power drive assembly 2, clamps the material to be cut through the clamping tool, and drives the material into the cutting area under the three-axis drive to complete the material cutting.
  • Cutting fluid system 11 consists of a delivery pipeline, a fluid return tank, and a fluid supply pump. Provided for cutting area Coolant protects the diamond wire 7 from burning due to overheating.
  • the specific working process is: a. The material is fixed on the clamping device of the material loading platform 100. b. Enter the cutting program. c. The material loading platform 100 is started, and the tool alignment between the diamond wire 7 and the material is completed. d. Diamond line 7 returns to zero. e. The equipment starts, the diamond wire 7 runs, and the loading platform 100 starts feeding. f. The three-axis linkage performs curve feed, and the diamond wire 7 performs surface cutting. g. After completing the cutting, the diamond wire 7 enters the empty knife area and stops running. h. Remove the cut material. i. Diamond wire 7 retracts the knife and returns to the zero point, and the cutting is completed.
  • the above-mentioned device can effectively control the direction and size of the wire bow through the three-axis linkage of the indexable tangent point adaptive diamond wire cutting machine. It not only ensures the cutting accuracy, but also gives full play to the advantages of efficient cutting of diamond wire 7, achieving high-precision and efficient cutting; and it can perform both conventional single-axis cutting and profile cutting. It has wide adaptability, realizes multiple functions in one machine, improves equipment usage efficiency and reduces factory equipment usage costs.
  • This application can effectively control the direction and size of the force on the diamond wire 7, enable more accurate surface cutting, and can reduce or even eliminate the breakage of the diamond wire 7, the detachment of the diamond wire 7, and the wear of the cutting guide wheel that are common in conventional cutting technology.
  • the input cutting program of step b in the above specific working process may include the following steps: obtaining the preset path to be cut and the preset line bow value.
  • the preset path to be cut can be obtained by inputting the cutting trajectory image in the image interface of the control system. , or directly input coordinates, etc. in the control system.
  • the preset line bow value can be set according to the preset path to be cut.
  • different preset paths to be cut can all be set with a unified preset line bow value, or different preset line bow values. It is assumed that the paths to be cut are respectively set to different preset line bow values. It can be set according to actual needs and is within the protection scope of this application.
  • the preset paths to be cut include curved paths, which can be entirely composed of curved paths, or composed of curved paths and straight paths, which can be set as needed.
  • the tangent angle of the cutting point and the distance between the cutting point and the preset rotation axis are respectively obtained, and the rotation angle of the preset rotation axis corresponding to the cutting point in the preset path to be cut is calculated; where, the preset rotation The axis can be arranged on the cutting assembly or the material carrying assembly, and the preset rotation axis is determined according to the setting position of the rotation drive device.
  • the rotation angle of the preset rotation axis is calculated to control the rotation of the preset rotation axis according to the different traveling positions during the traveling process, so that the actual cutting direction of the cutting point is consistent with It is preset that the tangent directions at the cutting points in the path to be cut are consistent.
  • How to calculate the rotation angle of the preset rotation axis corresponding to the point in the curve based on the tangent angle of a certain point on the curve and the distance between the point and the preset rotation axis is a mature prior art in this field.
  • the material to be cut to rotate around the preset rotation axis according to the rotation angle of the preset rotation axis, so that the actual cutting direction of the cutting point is consistent with the tangent direction of the cutting point in the preset path to be cut, and is coplanar with the standard cutting surface;
  • the standard cutting surface is the plane where the center line of the cutting wheel groove is located.
  • the actual cutting direction of the cutting point is the opposite direction of the wire bow direction, and the actual cutting direction is also the feed direction.
  • the center line of the cutting wheel groove is the circumferential line of the most concave part of the cutting wheel groove (that is, the position where the cutting line winds around the cutting wheel under normal conditions), and the plane where the center line is located is the plane where the circumferential line is located.
  • the preset rotation axis can be arranged on the side of the material loading platform, and the rotation of the material to be cut is controlled according to the rotation angle of the preset rotation axis.
  • This application obtains the tangent angle of the cutting point and the distance between the cutting point and the preset rotation axis by obtaining the preset path to be cut, and calculates the tangent angle of the cutting point.
  • the cutting point corresponds to the rotation angle of the preset rotation axis in the preset path to be cut; and controls the rotation of the material to be cut according to the rotation angle of the preset rotation axis, so that the actual cutting direction of the cutting point is consistent with the preset cutting point in the path to be cut.
  • the tangent direction at is consistent and coplanar with the standard cutting surface.
  • the angle between the material to be cut and the diamond wire is automatically adjusted by indexing, so that the direction of each cutting point of the diamond wire walking is consistent with the tangent direction of the shape surface at that position, and is coplanar with the standard cutting surface. , thereby maintaining a stable wire bow, achieving controllable size and direction of the wire bow, avoiding the problem of inconsistency between the theoretical cutting pattern and the actual cutting pattern due to changes in the diamond wire bow, and achieving high-precision surface cutting of diamond wire.
  • the physical structure of the diamond wire cutting device according to the embodiment of the present application will be described in detail below, with the aim of explaining that the diamond wire cutting device can realize the rotation of the aforementioned cutting surface and/or the material to be cut around a preset rotation axis.
  • the structure and arrangement of specific components will be described in detail below, with the aim of explaining that the diamond wire cutting device can realize the rotation of the aforementioned cutting surface and/or the material to be cut around a preset rotation axis.
  • Figure 8, Figure 9 and Figure 10 show a schematic structural diagram of the diamond wire cutting device and its material loading platform.
  • the wire cutting device in the embodiment of the present application may include a material loading platform 100, a cutting assembly 300, a column 400, and a base 500.
  • the upright column 400 is disposed at a first position on the base 500
  • the cutting assembly 300 is disposed at the upright column 400
  • the loading platform 100 is disposed at a second position on the base 500 .
  • the material loading platform 100 may include a working platform 101, a Y-axis platform 102, an X-axis platform 103, a C-axis turntable 105, and a B-axis turntable.
  • the bottom of the X-axis platform 103 is disposed at the second position of the base 500, and the whole extends along the X-axis direction;
  • the Y-axis platform 102 is disposed on the X-axis platform 103 movably along the X-axis direction, and the entire Y-axis turntable Extending along the Y-axis direction;
  • the working platform 101 is disposed on the Y-axis platform 102 movably along the Y-axis direction.
  • the B-axis turntable includes a fixed part 106 and a rotating part 107.
  • the rotating part 107 is disposed on the fixed part to be able to rotate around the B-axis direction.
  • 106, the fixed part 106 is disposed on the working platform 101 and then on the Y-axis platform 102, where the B-axis direction is parallel to the Y-axis direction;
  • the C-axis turntable 105 is disposed on the rotating part 107 so as to be rotatable around the C-axis direction.
  • the C-axis turntable 105 is used to carry and clamp the material 200 to be processed, and the C-axis direction is perpendicular to the B-axis direction.
  • a tooling 104 can be provided on the C-axis turntable 105 to facilitate the loading and clamping of the material 200 to be processed.
  • the position of the working platform 101 on the Y-axis platform 102 and the X-axis platform 103 can be adjusted, and the rotational status of the B-axis turntable and the C-axis turntable 105 can be adjusted, thereby making the material to be processed on the C-axis turntable 105 200 approaches the diamond wire cutting part of the cutting assembly 300 with a predetermined feed route and angle, thereby realizing the processing of the heterogeneous curved surface of the material 200 to be processed.
  • the workpiece (corresponding to the material 200 to be cut) can move relative to the diamond wire of the cutter head under the linkage drive of the X-axis and Y-axis.
  • the X-axis, Y-axis, Z-axis, B-axis, and C-axis can be linked simultaneously. , respectively realize multi-axis linkage to achieve the movement of planning the cutting path.
  • the processing of special-shaped curved surfaces can be realized through the path planning of the effective cutting section of the diamond wire.
  • the diamond wire moves on the plane of the cutting assembly wheel train to obtain Relative to the movement of the workpiece (corresponding to the material to be cut 200 ), when the workpiece moves relative to the effective cutting section of the diamond wire, the diamond wire removes material from the workpiece to achieve cutting of the special-shaped surface with a planned path.
  • the special-shaped curved surface is processed by CNC machine tools.
  • the workpiece needs to be removed layer by layer, which results in low processing efficiency and relatively low processing efficiency.
  • the solution of the embodiment of the present application uses a cutting component with a diamond wire as a cutting tool, which can perform interpolation motion through two-axis linkage, and use the diamond wire to cut the curved workpiece to remove excess material without removing it layer by layer.
  • a specific tool path is used to obtain the desired processing surface.
  • the diamond wire can be walked several times to perform contour processing and repair the curved surface.
  • the solution of the embodiment of the present application is more flexible in motion, and is especially suitable for processing two-dimensional curved surfaces such as rotary bodies.
  • X/ Y linkage can process semicircular profiles on both sides of the tool head.
  • the cylindrical profile cannot be closed.
  • the C axis is added, when the X and Y axes are linked to the set After positioning and cutting into the workpiece, the cylindrical surface can be processed directly through the C-axis rotation movement. The processing profile is closed and improved processing accuracy can be obtained.
  • the C-axis rotation is realized by moving on the B-axis rotation axis.
  • the B-axis can swing in both positive and negative directions in the range of 0-90°, and the C-axis can rotate around its own axis in the range of 0-360°, and can achieve both positive and negative directions.
  • a tooling 104 can be set above the rotary table, the workpiece is placed above the tooling, and the workpiece and the workpiece are installed on the C-axis of the rotary table, and the workpiece It is coaxially arranged with the C-axis of the tooling and workbench, which ensures that the workpiece rotates coaxially when the C-axis rotates, thereby achieving linkage between the rotary axis and the linear axis.
  • the solution of the embodiment of the present application effectively expands the applicable scenarios of diamond wire cutting.
  • a first slide can be set at the top of the X-axis platform 103, and correspondingly a first slide block can be set at the bottom of the Y-axis platform 102.
  • the first slider part is in sliding fit with the first slideway; in addition, a second slideway can be set at the top of the Y-axis platform 102, and a second slider part can be set at the bottom of the working platform 101. The second slider part Slide with the second slide.
  • the loading platform may also include an X-axis drive mechanism arranged between the X-axis platform 103 and the Y-axis platform 102,
  • the C-axis rotary mechanism and the axial drive mechanism can be realized by nut screws, and the B-axis rotary mechanism and C-axis rotary mechanism can be realized by motor drive.
  • the cutting assembly 300 can have a Z-axis movement function.
  • a Z-axis chute 401 can be provided on the column 400, and the cutting assembly 300 ( The frame 301) is slidably matched with the Z-axis chute 401 through the sliding plate 302 (in other embodiments, the matching form of the slider and the guide rail can also be used), and a lifting adjustment mechanism is also provided between the column 400 and the sliding plate 302 (not shown in the figure) (out) to realize the Z-axis axial lifting and lowering of the cutting assembly 300 on the column 400.
  • the lifting adjustment mechanism may also adopt a nut screw.
  • the cutting assembly 300 can be adjusted along the Z direction through Z-axis motion without the need for multiple tooling.
  • the processing height can be flexibly adjusted to maximize the matching of the processing position and reduce the impact of the wire bow on the processing accuracy. to the lowest.
  • the cutting assembly 300 can adopt different cutter head solutions.
  • the cutting assembly 300 can include a mounting frame 301, and the mounting frame 301 is provided with a cutting blade for winding the cutting line.
  • the cutting wheel mechanism includes a first cutting wheel 303, a second cutting wheel 304, a tension wheel 305, and a driving wheel 306.
  • the first cutting wheel 303, the second cutting wheel 304, the tension wheel 305, and the driving wheel 306 are arranged on the mounting frame 301 at intervals in sequence, and the diamond wire (not shown) sequentially passes around the rim of each wheel to form annular wires respectively.
  • the installation frame 301 is arranged on the column 400 through the sliding plate 302.
  • the driving wheel 306 is used to provide power to the cutting wire network and drive the movement of the diamond wire to provide cutting force for cutting.
  • the first cutting wheel 303 and the second cutting wheel 304 are respectively used to support the diamond wire along the feeding direction.
  • the segment of the diamond wire between the two cutting wheels is the effective cutting line length, and the tension wheel 305 is used to tighten the wire network and maintain stable cutting tension.
  • machining can be performed simultaneously with coordinated movements under the control of a computer numerical control (CNC) system.
  • CNC computer numerical control
  • the multi-axis linkage display of the tool axis vector of the entire cutting trajectory process can be changed as needed, and is controlled by the X, Y, and Z trajectory control axes.
  • the B-axis and C-axis are realized, and then the material is removed layer by layer, and finally spatial surface processing is realized.
  • the wire cutting device may include a loading platform 100, a cutting assembly 300, a column 400, and a base 500.
  • the upright column 400 is disposed at the first position of the base 500
  • the cutting assembly 300 is disposed on the upright column 400
  • the loading platform 100 is disposed at the second position of the base 500 .
  • the loading platform 100 may include a working platform 101, a Y-axis platform 102 that extends entirely along the Y-axis direction, and an X-axis platform 103 that extends entirely along the X-axis direction, wherein the bottom of the X-axis platform 103 is disposed at the second position of the base 500 , the Y-axis platform 102 is disposed on the X-axis platform 103 movably along the X-axis direction, and the working platform 101 is disposed on the Y-axis platform 102 movably along the Y-axis direction.
  • the working platform 101 is used to carry and clamp the materials to be processed. 200.
  • the X-axis direction is perpendicular to the Y-axis direction.
  • a tooling 104 can be provided on the working platform 101 to facilitate the loading and clamping of the material 200 to be processed.
  • the positions of the working platform 101 on the Y-axis platform 102 and the X-axis platform 103 can be adjusted so that the material 200 to be processed on the working platform 101 approaches the cutting edge of the cutting assembly 300 at a predetermined feed route and angle.
  • the wire cutting part is used to process the heterogeneous curved surface of the material 200 to be processed.
  • the workpiece (corresponding to the material 200 to be cut) can move relative to the diamond wire of the cutter head under the linkage drive of the X-axis and Y-axis, thereby realizing the movement of the planned cutting path.
  • the processing of special-shaped curved surfaces can be effectively performed by using the diamond wire.
  • the path planning of the cutting section is realized.
  • the diamond wire moves on the wheel train plane of the cutting assembly to obtain the line movement relative to the workpiece (corresponding to the material to be cut 200).
  • the diamond wire removes the workpiece material to achieve cutting of special-shaped surfaces in a planned path.
  • the special-shaped curved surface is processed by CNC machine tools.
  • the workpiece needs to be removed layer by layer, which results in low processing efficiency and relatively low processing efficiency.
  • the solution of the embodiment of the present application uses a cutting component with a diamond wire as a cutting tool, which can perform interpolation motion through two-axis linkage, and use the diamond wire to cut the curved workpiece to remove excess material without removing it layer by layer.
  • a specific tool path is used to obtain the desired processing surface.
  • the diamond wire can be walked several times to perform contour processing and repair the curved surface. For simple curved surfaces, it can be cut and formed in one go. The processing efficiency and processing quality are significantly improved.
  • the solution of the embodiment of the present application effectively expands the applicable scenarios of diamond wire cutting.
  • a first slide can be set at the top of the X-axis platform 103, and correspondingly a first slide block can be set at the bottom of the Y-axis platform 102.
  • the first slider part is in sliding fit with the first slideway; in addition, a second slideway can be set at the top of the Y-axis platform 102, and a second slider part can be set at the bottom of the working platform 101. The second slider part Slide with the second slide.
  • the loading platform may also include an X-axis drive mechanism provided between the X-axis platform 103 and the Y-axis platform 102 and an X-axis drive mechanism provided between the Y-axis platform 103 and the working platform 101
  • the Y-axis drive mechanism between them can be realized by using a nut screw.
  • a corresponding lifting mechanism can be provided on the loading platform to drive the working platform so that the working platform can be raised and lowered along the C-axis direction.
  • the C-axis direction is perpendicular to the aforementioned X-axis direction and Y-axis direction, that is, with the lower The Z axis in the article is parallel.
  • the lifting mechanism can be in the form of a telescopic mechanism such as an oil cylinder, or a sliding fit of a slide block.
  • the lifting mechanism can independently drive the working platform to lift, or can drive the X-axis platform and Y-axis platform as a whole. and working platform to realize the lifting and lowering of the working platform.
  • the cutting assembly 300 can have a Z-axis movement function. Specifically, a Z-axis chute 401 can be provided on the column 400, and the cutting assembly 300 ( The frame 301) is slidably matched with the Z-axis chute 401 through the sliding plate 302.
  • a lifting adjustment mechanism (not shown in the figure) is also provided between the upright column 400 and the sliding plate 302 to realize the Z-axis movement of the cutting assembly 300 on the upright column 400. To lift, the lifting adjustment mechanism can also use a nut screw.
  • the cutting assembly 300 can be adjusted along the Z direction through Z-axis motion without the need for multiple tooling.
  • the processing height can be flexibly adjusted to maximize the matching of the processing position and reduce the impact of the wire bow on the processing accuracy. to the lowest.
  • the cutting assembly 300 can adopt different cutter head solutions.
  • the cutting assembly 300 can include a mounting frame 301, and the mounting frame 301 is provided with a cutting blade for winding the cutting line.
  • the cutting wheel mechanism includes a first cutting wheel 303, a second cutting wheel 304, a tension wheel 305, and a driving wheel 306.
  • the first cutting wheel 303, the second cutting wheel 304, the tension wheel 305, and the driving wheel 306 are arranged on the mounting frame 301 at intervals in sequence, and the diamond wire (not shown) sequentially passes around the rim of each wheel to form annular wires respectively.
  • the installation frame 301 is arranged on the column 400 through the sliding plate 302.
  • the driving wheel 306 is used to provide power to the cutting wire network and drive the movement of the diamond wire to provide cutting force for cutting.
  • the first cutting wheel 303 and the second cutting wheel 304 are respectively used to support the diamond wire along the feeding direction.
  • the segment of the diamond wire between the two cutting wheels is the effective cutting line length
  • the tension wheel 305 is used to tighten the wire network and maintain stable cutting tension.
  • each wheel groove can include multiple diamond wires, so that only a single diamond wire can be used for single-line cutting, or multiple diamond wires can be used to achieve multi-line cutting.
  • the wire cutting device may include a loading platform 100, a cutting assembly 300, a column 400, and a base 500.
  • the upright column 400 is disposed at a first position on the base 500
  • the cutting assembly 300 is disposed at the upright column 400
  • the loading platform 100 is disposed at a second position on the base 500 .
  • the loading platform 100 may include a working platform 101, a Y-axis platform 102 extending entirely along the Y-axis direction, an X-axis platform 103 extending entirely along the X-axis direction, and a C-axis turntable 105.
  • the bottom of the X-axis platform 103 is disposed at the second position of the base 500
  • the Y-axis platform 102 is disposed on the X-axis platform 103 movably along the X-axis direction
  • the working platform 101 is disposed on the Y-axis movably along the Y-axis direction.
  • the X-axis direction is perpendicular to the Y-axis direction; the C-axis turntable 105 is set on the working platform 101, and then is set on the Y-axis platform 102.
  • the C-axis turntable 105 is used to carry and clamp the material 200 to be processed.
  • the C-axis The turntable 105 can rotate around the C-axis direction, and the C-axis direction is perpendicular to the X-axis direction and the Y-axis direction.
  • a tooling 104 can be provided on the working platform 101 to facilitate the loading and clamping of the material 200 to be processed.
  • the positions of the working platform 101 on the Y-axis platform 101 and the X-axis platform 103 can be adjusted, and the rotational state of the C-axis turntable 105 can be adjusted, so that the material to be processed 200 on the C-axis turntable 105 can be rotated in a predetermined manner.
  • the feed route and angle are close to the diamond wire cutting part of the cutting assembly 300, thereby realizing the processing of the heterogeneous curved surface of the material 200 to be processed.
  • the workpiece (corresponding to the material to be cut 200) can move relative to the diamond wire of the cutter head under the linkage drive of the X-axis and Y-axis, XYC linkage or XYZC (see below for the scheme) linkage, thereby realizing the planning of the cutting path. Movement, processing of special-shaped curved surfaces can be achieved through path planning of the effective cutting section of the diamond wire.
  • the diamond wire moves on the plane of the gear train of the cutting assembly to obtain the path relative to the workpiece (corresponding to the material 200 to be cut). Linear motion, when the workpiece moves relative to the effective cutting section of the diamond wire, the diamond wire removes the workpiece material to achieve cutting of the special-shaped surface through the planned path.
  • the special-shaped curved surface is processed by CNC machine tools.
  • the workpiece needs to be removed layer by layer, which results in low processing efficiency and relatively low processing efficiency.
  • the solution of the embodiment of the present application uses a cutting component with a diamond wire as a cutting tool, which can perform interpolation motion through two-axis linkage, and use the diamond wire to cut the curved workpiece to remove excess material without removing it layer by layer.
  • a specific tool path is used to obtain the desired processing surface.
  • the diamond wire can be walked several times to perform contour processing and repair the curved surface.
  • the solution of the embodiment of the present application is more flexible in movement, and is especially suitable for processing two-dimensional curved surfaces such as rotary bodies.
  • the solution of the embodiment of the present application is more flexible in movement, and is especially suitable for processing two-dimensional curved surfaces such as rotary bodies.
  • /Y linkage can process semi-circular profiles on both sides of the tool head.
  • the cylindrical profile cannot be closed.
  • the C axis is added, when the X axis and Y axis are linked to the set After positioning and cutting into the workpiece, the cylindrical surface can be processed directly through the C-axis rotation movement.
  • the processing profile is closed and improved processing accuracy can be obtained.
  • the solution of the embodiment of the present application effectively expands the applicable scenarios of diamond wire cutting.
  • a first slide can be set at the top of the X-axis platform 103, and correspondingly a first slide block can be set at the bottom of the Y-axis platform 102.
  • the first slider part is in sliding fit with the first slideway; in addition, a second slideway can be set at the top of the Y-axis platform 102, and a second slider part can be set at the bottom of the working platform 101. The second slider part Slide with the second slide.
  • the loading platform may also include an X-axis drive mechanism arranged between the X-axis platform 103 and the Y-axis platform 102, The Y-axis drive mechanism between the axis platform 103 and the work platform 101 and the C-axis rotation mechanism provided between the work platform 101 and the C-axis turntable 105.
  • the axial drive mechanism can be implemented by a nut screw, C
  • the shaft rotation mechanism can be realized by motor drive.
  • a corresponding lifting mechanism can be provided on the loading platform, so that the C-axis turntable can be raised and lowered along the C-axis direction, that is, moved up and down.
  • the lifting mechanism can be in the form of a telescopic mechanism such as an oil cylinder, or a sliding fit of a slide block.
  • the lifting mechanism can independently drive the C-axis turntable to lift, or can also drive the X-axis platform and Y-axis as a whole. Platform and C-axis turntable to realize C-axis turntable lifting.
  • the cutting assembly 300 can have a Z-axis movement function. Specifically, a Z-axis chute 401 can be provided on the column 400, and the cutting assembly 300 ( The frame 301) is slidably matched with the Z-axis chute 401 through the sliding plate 302.
  • a lifting adjustment mechanism (not shown in the figure) is also provided between the upright column 400 and the sliding plate 302 to realize the Z-axis movement of the cutting assembly 300 on the upright column 400. To lift, the lifting adjustment mechanism can also use a nut screw.
  • the cutting assembly 300 can be adjusted along the Z direction through Z-axis motion without the need for multiple tooling.
  • the processing height can be flexibly adjusted to maximize the matching of the processing position and reduce the impact of the wire bow on the processing accuracy. to the lowest.
  • the cutting assembly 300 can adopt different cutter head solutions.
  • the cutting assembly 300 can include a mounting frame 301 with a cutting wheel for winding the cutting line.
  • the cutting wheel mechanism includes a first cutting wheel 303, a second cutting wheel 304, a tension wheel 305, and a driving wheel 306.
  • the first cutting wheel 303, the second cutting wheel 304, the tension wheel 305, and the driving wheel 306 are arranged on the mounting frame 301 at intervals in sequence, and the diamond wire (not shown) sequentially passes around the rim of each wheel to form annular wires respectively.
  • the installation frame 301 is arranged on the column 400 through the sliding plate 302.
  • the driving wheel 306 is used to provide power to the cutting wire network and drive the movement of the diamond wire to provide cutting force for cutting.
  • the first cutting wheel 303 and the second cutting wheel 304 are respectively used to support the diamond wire.
  • the line segment of the diamond wire between the two cutting wheels is the effective cutting line length.
  • the tension wheel 305 is used to tension the wire network and maintain stable cutting tension.
  • machining can be performed simultaneously with coordinated movements under the control of a computer numerical control (CNC) system.
  • CNC computer numerical control
  • the multi-axis linkage display of the tool axis vector of the entire cutting trajectory process can be changed as needed, and is controlled by the X, Y, and Z trajectory control axes.
  • the C-axis is realized, and then the material is removed layer by layer, and finally spatial surface processing is realized.
  • 3-axis linkage can realize curved surface motion.
  • Z-axis it is equipped with a cutter head feed Z-axis to adjust the workpiece tangent point to be at the effective cutting point. At the midpoint position of the line segment, 4-axis linkage processing of a better line cutting position can be achieved.
  • the diamond wire cutting device in the embodiment of the present application also includes a special-shaped protective door. This specific embodiment will describe the structure of the special-shaped protective door in detail.
  • the special-shaped protective door may include a power assist device 8100, a traction cable 8200, a protective door 8300 and a lifting guide rail 8400.
  • the lifting guide rail 8400 can be a double guide rail arranged in parallel on both sides
  • the protective door 8300 is an integrated protective door structure
  • the protective door 8300 is movably arranged on the lifting guide rail 8400
  • one end of the traction rope 8200 is connected to the protective door 8300
  • the other end is connected to the protective door 8300.
  • the power-assist device 8100 is used to drive the protective door 8300 up and down through the traction cable 8200, and provides a certain amount of assistance for the lifting and lowering of the protective door 8300, so that the on-site operator only needs a small operating force to complete the activation of the protective door 8300.
  • the power assist device 8100 can adopt different power assistance forms, for example, it can use heavy weights, cylinder drive or motor drive, etc. to achieve light operating force lifting.
  • Figure 18, Figure 19 and Figure 20 respectively provide different power assistance solutions.
  • the power assist device 8100 includes a fixed pulley 8101 and a counterweight 8102, where the fixed pulley 8101 is set at the top of the lifting guide rail 8400.
  • One end of the traction cable 8200 is connected to the protective door 8300, and the other end bypasses the fixed pulley. 8101 is connected to the counterweight 8102, so that during use, the operator can use the power assist device 8100 (counterweight 8102) to achieve light operating force operation.
  • the power assist device 8100 includes a fixed pulley 8101 and a cylinder 8105.
  • the fixed pulley 8101 is set at the top of the lifting guide rail 8400.
  • One end of the traction cable 8200 is connected to the protective door 8300, and the other end bypasses the fixed pulley 8101. Then it is connected to the movable end of the cylinder 8105, so that during use, the operator can use the power assist device 8100 (cylinder 8105) to achieve light operating force operation.
  • the power assist device 8100 includes a driving wheel 8103, a motor 8104 and a counterweight 8102.
  • the driving wheel 8103 is provided at the top of the lifting guide rail 8400 and is drivingly connected to the output shaft of the motor 8104.
  • One end of the traction cable 8200 Connect the protective door 8300, and the other end bypasses the driving wheel 8103 and is connected to the counterweight 8102, so that during use, the operator can use the power assist device 8100 (motor 8104) to achieve light operating force operation.
  • the traction rope 8200 only needs to be flexible and capable of traction function.
  • a steel wire rope, chain or rubber belt can be used as the traction material to connect the protective door 8300 and the power assist device 8100.
  • the protective door 8300 can adopt various special shapes such as Z-shape and L-shape according to the shape of the opening of the operating area.
  • the lifting guide rail 8400 can use a linear guide rail with good guiding properties and bending and torsion resistance as the lifting guide rail, which can effectively maintain the linearity and smoothness of the lifting action of the lifting protective door 8300.
  • an operating handle can be provided on the protective door 8300.
  • the special-shaped protective door can generally include a pulley assembly 8110, a wire rope assembly 8210, a counterweight assembly 8120, a lifting guide rail assembly 8410 and a protective door 8300.
  • fixed pulley assembly 8110, wire rope assembly 8210, counterweight assembly 8120 and lifting guide rail assembly 8410 are arranged on both sides of the protective door 8300.
  • the fixed pulley assembly 8110 can mainly consist of a pulley, a bearing, a fixed shaft, and a fixed seat. It is used to support the movement of the wire rope in the pulley and provide a fulcrum for establishing a force balance between the lifting protective door 8300 and the counterweight assembly 8120.
  • the wire rope assembly 8210 can be composed of a wire rope and a lock, etc., and connects the lifting protective door 8300 and the counterweight assembly 8120 to transmit the pulling force between the two components.
  • the counterweight assembly 8120 can be composed of a counterweight block, a guide block, and a buffer rubber. It is mainly used to balance the weight of the lifting protective door 8300 and realize the lifting of the protective door with light operating force.
  • the lifting guide rail assembly 8410 can use a low-friction linear guide rail with good rigidity to ensure the linear movement of the lifting protective door 8300.
  • the protective door 8300 is the main protective piece, used to prevent cutting coolant from splashing out of the equipment, and prevent high-speed parts from flying out in the cutting area to avoid casualties.
  • a high-strength transparent observation window 8301 can be set on it to facilitate the operator to observe the internal working conditions.
  • the protective door 8300 can be provided with water retaining strips 8302, water guiding eaves 8303 and water receiving channels 8304. Among them, the water blocking strip 8302 can form a labyrinth structure with the protective door 8300 to prevent the cutting coolant from splashing.
  • the water guide eaves 8303 can be installed on the protective door 8300, and are used to guide the cutting coolant splashed on the protective door 8300 back to the cutting chamber during operation; after the cutting is completed, when the protective door 8300 is raised, the residual water can be removed from the protective door 8300.
  • the cutting coolant on the 8300 flows back into the cutting chamber so it does not drip onto the operator's body, thus protecting the operator.
  • the water receiving tank 8304 can be installed under the water retaining strip 8302 and the water guide eaves 8303 on the protective door 8300, so that all the splash cutting coolant that cannot be intercepted by the three protective units can be collected and sent back to the cutting room to prevent it from flowing out of the equipment. Enter the operating area ground.
  • This application also provides an embodiment of a diamond wire cutting device.
  • the diamond wire cutting device has a cutting chamber for accommodating cutting components to perform cutting operations on workpieces or bar stock in the area of the cutting chamber.
  • the diamond wire cutting device is in A special-shaped protective door as in the previous embodiment is installed corresponding to the opening of the cutting chamber.
  • the special-shaped protective door can cover the cutting chamber, protect the safety of operators, prevent cutting fluid and other spills in the cutting chamber, and at the same time improve operating efficiency. Please refer to the previous description for specific effects and will not be repeated here.
  • the hinge-opening protective door When the hinge-opening protective door is designed into a special-shaped structure, when it is closed, there is a risk of loose sealing and leakage of cutting coolant; when it is opened outward, it will cause leakage; when it is opened inward, it will increase the size of the equipment. It increases the weight and cost of the equipment and wastes operating space.
  • the solution of the embodiment of the present application adopts an integrated protective door structure that can be lifted, lowered, and assisted. There is no need for column support in the middle of the protective door. The operator's working space and field of vision are wider, and only a small operating force is required to lift and lower the protective door. The operation can be completed and the operation is simpler, thus effectively improving the efficiency of on-site work and reducing the risk of operating accidents.
  • This embodiment provides a wire cutting control method. It should be noted that this method can be executed corresponding to the diamond wire cutting device in the first embodiment and the second embodiment.
  • Figure 24 is a schematic structural diagram of the shape cutting provided by the embodiment of the present application
  • Figure 25 is a schematic flow structure diagram of the wire cutting control method provided by the embodiment of the present application.
  • the wire cutting control method provided by this application includes:
  • the preset path to be cut can be obtained by inputting the cutting trajectory image in the image interface of the control system, or directly entering the coordinates in the control system.
  • the preset line bow value can be set according to the preset path to be cut, such as different
  • the preset paths to be cut can all be set with a unified preset bow value, or different preset paths to be cut can be set with different preset bow values. It can be set according to actual needs and is within the protection scope of this application.
  • the preset paths to be cut include curved paths, which can be entirely composed of curved paths, or composed of curved paths and straight paths, which can be set as needed.
  • S20 Obtain the tangent angle of the cutting point and the distance between the cutting point and the preset rotation axis according to the preset path to be cut, and calculate the rotation angle of the preset rotation axis corresponding to the cutting point in the preset path to be cut; wherein, the preset It is assumed that the rotation axis can be arranged on the cutting component or the material loading component, and the preset rotation axis is determined according to the setting position of the rotation drive device.
  • the rotation angle of the preset rotation axis is calculated to control the rotation of the preset rotation axis according to the different traveling positions during the traveling process, so that the actual cutting direction of the cutting point is consistent with It is preset that the tangent directions at the cutting points in the path to be cut are consistent.
  • How to calculate the rotation angle of the preset rotation axis corresponding to the point in the curve based on the tangent angle of a certain point on the curve and the distance between the point and the preset rotation axis is a mature existing method in this field. technology.
  • S30 Control the cutting surface and/or the material to be cut to rotate around the preset rotation axis according to the rotation angle of the preset rotation axis, so that the actual cutting direction of the cutting point is consistent with the tangent direction of the cutting point in the preset path to be cut, and Coplanar with the standard cutting surface; where the standard cutting surface is the plane where the center line of the cutting wheel groove is located.
  • the actual cutting direction of the cutting point is the opposite direction of the wire bow direction, and the actual cutting direction is also the feed direction.
  • the center line of the cutting wheel groove is the circumferential line of the most concave part of the cutting wheel groove (that is, the position where the cutting line winds around the cutting wheel under normal conditions), and the plane where the center line is located is the plane where the circumferential line is located.
  • the preset rotation axis can be provided on the side of the cutting tool and/or the material loading platform, and the rotation of the cutting surface and/or the material to be cut is controlled according to the rotation angle of the preset rotation axis.
  • This application obtains the tangent angle of the cutting point and the distance between the cutting point and the preset rotation axis by obtaining the preset path to be cut, and calculates the rotation angle of the preset rotation axis corresponding to the cutting point in the preset path to be cut; and based on the preset
  • the rotation angle of the rotation axis controls the rotation of the cutting surface and/or the material to be cut, so that the actual cutting direction of the cutting point is consistent with the tangent direction at the cutting point in the preset path to be cut, and is coplanar with the standard cutting surface.
  • the angle between the material to be cut and the diamond wire is automatically adjusted by indexing, so that the direction of each cutting point of the diamond wire walking is consistent with the tangent direction of the shape surface at that position, and is coplanar with the standard cutting surface. , thereby maintaining a stable wire bow, achieving controllable size and direction of the wire bow, avoiding the problem of inconsistency between the theoretical cutting pattern and the actual cutting pattern due to changes in the diamond wire bow, and achieving high-precision surface cutting of diamond wire.
  • the above method also includes: S40: Obtain the preset line bow value; S50: Determine the plane travel information of the cutting point in the preset path to be cut according to the preset path to be cut and the preset line bow value; S60: According to the plane The travel information controls the travel of the cutting surface and/or material to be cut.
  • the plane traveling information includes the X and Y axis coordinates and traveling speed of each cutting point in the preset path to be cut in the plane rectangular coordinate system.
  • the planar travel information includes the travel distance and travel speed of each cutting point in the preset path to be cut. Cut points based on plane travel information Planar movement within the shape.
  • FIG. 7 is a schematic structural diagram of a plane rectangular coordinate system provided by an embodiment of the present application; preferably, before S50 , the above method further includes: establishing a plane rectangular coordinate system with the rotation axis as the origin of the coordinate system, and the plane rectangular coordinate system
  • the system includes X-axis and Y-axis. This simplifies the conversion of X-axis and Y-axis coordinates, reduces calculation errors, and improves control accuracy.
  • the method also includes: S70: Obtain the real-time line bow value of the current cutting point; S80: Calibrate the plane travel information at the current cutting point according to the real-time line bow value of the current cutting point. , obtain the actual plane travel information of the current cutting point, and control the cutting point travel based on the actual plane travel information.
  • the traveling speed at the current cutting point is calibrated according to the real-time line bow value of the current cutting point, and then the line bow size at the current cutting point is adjusted so that the adjusted line bow is equal to the preset line bow value, or is in a preset state. Set the line bow value within a reasonable error range.
  • this application also provides a wire cutting control device.
  • the above method and device are set correspondingly and can be referenced with each other. It should be understood that the wire cutting device corresponds to the function of the control component of the diamond wire cutting device in the first embodiment and the second embodiment, and can be regarded as having the same structure.
  • the wire cutting control device includes: a preset path to be cut acquisition unit, used to obtain the preset path to be cut, the preset path to be cut includes a curved path; a preset rotation angle calculation unit of the rotation axis, respectively according to the preset path to be cut.
  • the cutting point rotation angle control unit controls the rotation of the cutting surface and/or the material to be cut around the preset rotation axis, so that the actual cutting direction of the cutting point is consistent with the tangent direction at the cutting point in the preset path to be cut, and is coplanar with the standard cutting surface;
  • the standard cutting surface is the plane where the center line of the cutting wheel groove is located.
  • the preset bow value acquisition unit is used to obtain the preset bow value;
  • the plane travel information determination unit is used to determine the cutting point at the preset path according to the preset path to be cut and the preset bow value. Assume that there is planar travel information in the path to be cut;
  • a planar travel control unit is used to control the cutting surface and/or the travel of the material to be cut based on the planar travel information.
  • a real-time line bow acquisition unit used to obtain the real-time line bow value of the current cutting point
  • a plane travel information calibration unit used to calibrate the plane travel information at the current cutting point according to the real-time line bow value of the current cutting point. , obtain the actual plane travel information of the current cutting point, and trigger the plane travel control unit action; the plane travel control unit is used to control the cutting point travel based on the actual plane travel information.
  • the diamond wire cutting device also includes: a cutting component 300, used to cut the material to be cut; and a material carrying component 1, used to clamp and fix the material to be cut.
  • the wire cutting control device is connected to the cutting component 300 and the material loading component 1 respectively.
  • the wire cutting control device is used to control the cutting surface and/or the rotation of the material to be cut around the preset rotation axis according to the preset path to be cut and the preset wire bow value. So that the actual cutting direction of the cutting point is consistent with the tangent direction at the cutting point in the preset path to be cut, and is coplanar with the standard cutting surface; where the standard cutting surface is the plane where the center line of the cutting wheel groove is located.
  • the cutting assembly 300 includes a cutting panel, a driving device (driving guide wheel) located on the cutting panel, and two oppositely arranged cutting wheels.
  • the cutting lines respectively bypass the two cutting wheels and one driving guide wheel to Form a network of cutting lines. In other embodiments, it can also be based on If a guide wheel needs to be provided, the cutting assembly 300 can be set according to actual needs, which are all within the protection scope of this application.
  • the operation mode of diamond wire can be long reciprocating type or ring wire unidirectional type. The main function is to complete the cutting of materials through high-speed operation of the diamond wire.
  • This application obtains the tangent angle of the cutting point and the distance between the cutting point and the preset rotation axis by obtaining the preset path to be cut, and calculates the rotation angle of the preset rotation axis corresponding to the cutting point in the preset path to be cut; and based on the preset
  • the rotation angle of the rotation axis controls the rotation of the cutting surface and/or the material to be cut, so that the actual cutting direction of the cutting point is consistent with the tangent direction at the cutting point in the preset path to be cut, and is coplanar with the standard cutting surface.
  • the angle between the material to be cut and the diamond wire is automatically adjusted by indexing, so that the direction of each cutting point of the diamond wire walking is consistent with the tangent direction of the shape surface at that position, and is coplanar with the standard cutting surface. , thereby maintaining a stable wire bow, achieving controllable size and direction of the wire bow, avoiding the problem of inconsistency between the theoretical cutting pattern and the actual cutting pattern due to changes in the diamond wire bow, and achieving high-precision surface cutting of diamond wire.
  • a planar power drive assembly and a rotary power drive assembly 2 can be provided on the material loading assembly 1 and/or the cutting assembly 300 respectively.
  • Figure 6 is a schematic structural diagram of a wire cutting control device provided by another embodiment of the present application; in this embodiment 1-1, the rotary power drive assembly 2 is provided on the cutting assembly 300, and the planar power drive assembly is arranged on the material carrier assembly 1; as shown in Figure 5, Figure 5 is a schematic structural diagram of a wire cutting control device provided by another embodiment of the present application; in this embodiment 1-2, the rotational power drive assembly 2 is arranged on the carrier On the material assembly 1, the planar power drive assembly is provided on the cutting assembly 300; and the planar power drive assembly includes a first direction drive assembly 3 and a second direction drive assembly 4 to move the X-axis and Y-axis.
  • the driving assembly 3 and the second direction driving assembly 4 can also be all arranged on the cutting assembly 300 or the loading assembly 1; or in another embodiment, the first direction driving assembly 3 and the second direction driving assembly 4 They are respectively provided on the cutting assembly 300 and the loading assembly 1, and their specific arrangement methods can be set according to needs, which are all within the protection scope of this application.
  • the first direction drive assembly 3 is composed of a drive servo motor, a ball screw, and a linear guide rail. Its main function is to drive the loading platform to make precise reciprocating linear motion along the X-axis. Linked with the Y-axis, the loading platform can make precise and controllable curved movements.
  • the second direction drive assembly 4 is composed of a drive servo motor, a ball screw, and a linear guide rail. Its main function is to drive the loading platform to make precise reciprocating linear motion along the Y-axis. Linked with the X-axis, the loading platform can make precise and controllable curved movements.
  • the rotary power drive assembly 2 is composed of a drive servo motor, a coupling, and a rotary bearing box. Its main function is to drive the clamping device to rotate at the corresponding angle according to the angle of the cutting curve.
  • a rotation axis is added.
  • the cutting tool or the material to be cut will automatically shift and adjust the walking angle, so that the direction of each cutting point of the diamond wire travel is consistent with the tangent direction of the shape surface at that position, thereby maintaining a fixed Cutting the wire bow, the direction and size of the wire bow can be controlled.
  • the present application also includes an angle detection component, which is respectively connected to the control component and the rotation axis driving component to detect the rotation angle of the cutting component 300 . It can be compared with the rotation angle of the rotating power part and fed back to the control component for judgment and adjustment.
  • this application also includes a wire bow detection component located on the cutting component 300.
  • the wire bow detection component is connected to the control component to detect the wire bow value of the cutting component 300 in real time and feed it back to the control component.
  • the control component determines the wire bow value according to the detected wire bow value.
  • the bow value controls the traveling speed during the cutting process, and then the line bow value is adjusted in real time to be equal to the preset line bow value.
  • the wire bow detection component can be disposed on the material carrying component 1, and the type of sensor can be set as needed, preferably a non-contact sensor to reduce interference to the cutting line.
  • the material is fed in two-axis linkage, or the cutting tool is fed in two-axis linkage.
  • the rotating axis is established on the stage holding the material to be cut.
  • the loading platform drives the material to be cut to rotate at a certain angle according to the walking curve, so that the cutting direction of each point is consistent with the tangent direction of the shape at that position. Keep it consistent, thereby ensuring that the bending direction and size of the wire bow remain unchanged, achieving effective control of the direction and size of the wire bow, and achieving the purpose of using diamond wire for precise cutting of shapes and surfaces.
  • the above device realizes three-axis movement. Compared with the original technology, the rotation axis movement is added.
  • the direction and angle of the diamond wire feed can be adjusted through the three-axis linkage, so that the direction and size of the force on the cutting wire remain unchanged; it can achieve Effective control of the wire bow direction and size of diamond wire cutting, while linear single-axis cutting and traditional two-axis cross loading platform processing technology cannot effectively control the wire bow direction and size; through three-axis linkage, the walking position of the cutting wire can be effectively controlled , improve the feeding accuracy and achieve precise surface processing of materials.
  • the force direction and magnitude of the diamond wire can be effectively controlled, which can reduce or even eliminate the frequency of problems such as diamond wire breakage, diamond wire detachment, excessive wear of the cutting guide wheel and accidental cutting, which are common in traditional cutting technology, and improve all aspects of the process. Extend the service life of parts and reduce usage costs.
  • This application realizes effective control of the direction and size of the diamond wire cutting wire bow, and can perform more accurate surface cutting. Combined with the high-efficiency technical characteristics of diamond wire cutting, it can achieve efficient and accurate CNC surface cutting.
  • the problems of ineffective cutting such as disordered movement and vibration of the diamond wire during the cutting process will be effectively controlled, which not only improves the cross-section quality, but also effectively reduces the problems caused by ineffective cutting of the diamond wire. It wears itself out, improves cutting efficiency and service life, and further reduces usage costs.
  • the present application provides a device, including a memory and a processor, and a computer program stored in the memory and capable of running on the processor.
  • the processor executes the computer program, it implements the steps of the wire cutting control method in any of the above embodiments. .
  • the present application provides a computer-readable storage medium on which a computer program is stored.
  • the computer program is executed by a processor, the steps of the wire cutting control method in any of the above embodiments are implemented.
  • This embodiment provides a wire cutting control method. It should be noted that this method can be executed corresponding to the diamond wire cutting device in the third specific embodiment.
  • the wire cutting device may include a material loading platform 100, a cutting assembly 300, a column 400, and a base 500.
  • the upright column 400 is disposed at a first position on the base 500
  • the cutting assembly 300 is disposed at the upright column 400
  • the loading platform 100 is disposed at a second position on the base 500 .
  • the loading platform 100 may include a working platform 101, a Y-axis platform 102, an X-axis platform 103, a C-axis turntable 105, and a B-axis turntable, wherein the bottom of the X-axis platform 103 is disposed at the second position of the base 500, and the Y-axis platform 102 is movably disposed on the X-axis platform 103, the working platform 101 is movably disposed on the Y-axis platform 102, the B-axis turntable includes a fixed part 106 and a rotating part 107, the rotating part 107 is rotatably disposed on the fixed part 106, The fixed part 106 is arranged on the working platform 101, and the C-axis turntable 105 is arranged on the rotating part 107.
  • the C-axis turntable 105 is used to carry and clamp the material 200 to be processed.
  • the cutting assembly 300 has a Z-axis linkage function, that is, it can move up and down on the column 400 to achieve linkage with other axes.
  • the axial directions of the X-axis and the Y-axis are perpendicular
  • the Z-axis is perpendicular to the axial directions of the X-axis and the Y-axis respectively
  • the B-axis is parallel to the axial direction of the Y-axis
  • the axial directions of the C-axis and the Z-axis are perpendicular.
  • a tooling 104 can be provided on the C-axis turntable 105 to facilitate the loading and clamping of the material 200 to be processed.
  • each axis direction is not limited to the same as in the embodiment.
  • the X axis, Y axis and Z axis are used as translation axes, each axis is perpendicular to each other, and the B axis and C axis
  • the axis is used as the rotation axis, and the B-axis and C-axis are axially perpendicular.
  • the position of the working platform 101 on the Y-axis platform 102 and the X-axis platform 103 can be adjusted, and the rotational status of the B-axis turntable and the C-axis turntable 105 can be adjusted, thereby making the material to be processed on the C-axis turntable 105 200 approaches the diamond wire cutting part of the cutting assembly 300 with a predetermined feed route and angle, thereby realizing the processing of the heterogeneous curved surface of the material 200 to be processed.
  • the workpiece (corresponding to the material 200 to be cut) can move relative to the diamond wire of the cutting assembly under the linkage drive of the X-axis and Y-axis, and cooperates with the Z-axis movement of the cutting assembly.
  • the X-axis, Y-axis, and Z-axis , B-axis, and C-axis can be linked at the same time to achieve multi-axis linkage respectively.
  • This multi-axis linkage at least includes translation in the X-axis direction, translation in the Y-axis direction, and rotation around the C-axis, or at least includes translation around the X-axis direction.
  • Y-axis translation, Z-axis translation, rotation around the B-axis and rotation around the C-axis in order to achieve the movement of planning the cutting path.
  • the processing of special-shaped curved surfaces can be achieved through path planning of the effective cutting section of the diamond wire.
  • the diamond wire moves on the plane of the wheel train of the cutting assembly to obtain a line movement relative to the workpiece (corresponding to the material to be cut 200).
  • the diamond wire removes the workpiece The material can then be cut into special-shaped surfaces in a planned path.
  • the wire cutting control method in the embodiment of the present application is used in the above-mentioned wire cutting device with a cutting assembly 300 and a material loading platform 100.
  • the cutting assembly 300 and the material loading platform 100 have a multi-axis linkage function.
  • the control method includes the following steps: According to the material to be processed
  • the curved surface processing target of 200 determines the linked running trajectory of each axis; controls the motion of each axis according to the running trajectory to realize complex curved surface processing of the material to be processed; among them, the X-axis and Y-axis are linked to realize curved surface motion, and the B-axis is used to realize Space surface shape, the C axis is based on the B axis, used to achieve surface processing and maintain tangent point tracking.
  • the contact position between the material to be cut and the diamond wire cutting assembly 300 is adjusted through the coordinated movement of the linear axis and the rotating axis of the material loading platform 100 and the linear axis of the diamond wire cutting assembly 300 , contact angle, feed position, feed angle, feed stroke and other parameters, so that the walking direction of each contact cutting point between the material to be cut and the diamond wire is always consistent with the tangent direction of the surface at that position, thereby achieving the goal of cutting on the diamond wire line.
  • the cutting of three-dimensional curved surfaces can be accurately completed.
  • the existing special-shaped curved surface processing uses CNC machine tool processing.
  • the workpiece needs to be removed layer by layer, and the processing efficiency is low.
  • the solution of the embodiment of the present application uses a cutting component with a diamond wire as a cutting tool, which can perform interpolation motion through two-axis linkage, and use the diamond wire to cut the curved workpiece to remove excess material without removing it layer by layer.
  • the desired processing surface can be obtained through a specific cutting path.
  • the cutting component must pass multiple times to perform contour processing and repair the curved surface.
  • the solution of the embodiment of the present application is more flexible in movement, and is especially suitable for processing two-dimensional curved surfaces such as rotary bodies.
  • X/Y linkage can Semi-circular profiles on both sides of the cutter head are processed.
  • the cylindrical profile cannot be closed.
  • the C-axis is added, when the X-axis and Y-axis are linked to the set position and cut in After the workpiece is moved, the cylindrical surface can be processed directly through the C-axis rotary motion.
  • the processed surface is closed and improved processing accuracy can be obtained.
  • the C-axis rotation is realized by moving on the B-axis rotation axis.
  • the B-axis can swing in both positive and negative directions in the range of 0-90°, and the C-axis can rotate around its own axis in the range of 0-360°, and can achieve both positive and negative directions.
  • a tooling 104 can be set above the rotary table, the workpiece is placed above the tooling, and the workpiece and the workpiece are installed on the C-axis of the rotary table, and the workpiece It is coaxially arranged with the C-axis of the tooling and workbench, which ensures that the workpiece rotates coaxially when the C-axis rotates, thereby achieving linkage between the rotary axis and the linear axis.
  • the solution of the embodiment of the present application effectively expands the applicable scenarios of diamond wire cutting.
  • the cutting assembly 300 and the loading platform 100 have a multi-axis linkage function means that the cutting assembly 300 and the loading platform 100 have a multi-axis linkage function as a whole, that is, during the processing It has multi-axis axial movement freedom, and can implement different axial movement freedoms according to processing needs, thereby completing the predetermined processing trajectory as a whole.
  • the multi-axis linkage function for example, when it has the XYZBC five-axis linkage function, the cutting assembly 300 has the Z-axis function, and the material loading platform has the XYBC axis function; however, it is not limited in other embodiments.
  • the cutting assembly 300 may also have multiple axis functions, and the loading platform may have one or the remaining types of axis functions.
  • the cutting tool or the material to be cut will automatically index and adjust the walking angle, so that the direction of each cutting point of the diamond wire is consistent with the position.
  • the surface tangent direction remains consistent, thereby maintaining a fixed cutting wire bow and achieving controllable direction and size of the wire bow.
  • the diamond wire cutting tool does not move, and the material to be cut moves along the X-axis and Y-axis through the control of the CNC program.
  • the two linkages form a motion curve to achieve shape cutting.
  • the diamond wire When the traditional cutting method performs two-axis linkage cutting, the diamond wire is subject to the resistance of the material being cut, and will produce a wire bow along the tangent direction of the curve of the cutting point. Since the cutting tool does not move, the center line of the cutting wheel groove will deviate from the bending direction of the wire bow. As the shape of the curve changes, the resistance and direction of the diamond wire will change, and the bending direction and size of the wire bow will also change, making the size and direction of the deviation angle unfixed, resulting in inaccurate cutting trajectories. .
  • the solution of the embodiment of the present application adds a rotation axis in addition to the X-axis and Y-axis, and realizes high-precision surface cutting of the diamond wire through the rotation of the material to be cut.
  • the material to be cut will automatically shift and adjust the walking angle according to the curve change of the shape surface, so that the direction of each cutting point of the diamond wire walking is consistent with the tangent direction of the shape surface at that position, thereby maintaining a fixed cutting line bow.
  • realize the controllable direction and size of the wire bow avoid the problem of inconsistency between the theoretical cutting pattern and the actual cutting pattern caused by the diamond wire bow, and achieve high-precision shape cutting of diamond wire.
  • a first slide can be set at the top of the X-axis platform 103, and correspondingly a first slide block can be set at the bottom of the Y-axis platform 102.
  • the first slider part is in sliding fit with the first slideway; in addition, a second slideway can be set at the top of the Y-axis platform 102, and a second slider part can be set at the bottom of the working platform 101. The second slider part Slide with the second slide.
  • the loading platform may also include an X-axis drive mechanism arranged between the X-axis platform 103 and the Y-axis platform 102,
  • the C-axis rotary mechanism and the axial drive mechanism can be realized by nut screws, and the B-axis rotary mechanism and C-axis rotary mechanism can be realized by motor drive.
  • controlling the movement of the X-axis, Y-axis, B-axis, and C-axis is achieved by controlling the states of the X-axis drive mechanism, the Y-axis drive mechanism, the B-axis rotation mechanism, and the C-axis rotation mechanism respectively.
  • the cutting assembly 300 has a Z-axis linkage function.
  • a Z-axis chute 401 can be provided on the column 400, and the cutting assembly 300 (of The mounting frame 301) is slidably matched with the Z-axis chute 401 through the sliding plate 302 (in other embodiments, it can also be a combination of a sliding block and a guide rail).
  • a lifting adjustment mechanism is also provided between the column 400 and the sliding plate 302 (not shown in the figure). shown) to realize the Z-axis axial lifting of the cutting assembly 300 on the column 400.
  • the lifting adjustment mechanism can drive a high-precision ball screw through a servo motor and cooperate with a high-precision linear guide to make the cutting assembly move accurately in the Z-axis direction.
  • the cutting assembly 300 can be adjusted along the Z direction through Z-axis motion without the need for multiple tooling.
  • the processing height can be flexibly adjusted to maximize the matching of the processing position and reduce the impact of the wire bow on the processing accuracy. to the lowest.
  • the Z-axis can be used to adjust the workpiece tangent point to be at the midpoint of the effective cutting line segment, and the movement of the Z-axis can be controlled by controlling the state of the lifting adjustment mechanism. That is to say, the control method of the embodiment of the present application can realize multi-axis linkage processing in five-axis space.
  • the five axes are X-axis, Y-axis, Z-axis, B-axis, and C-axis.
  • B-axis rotates around the Y-axis direction
  • C-axis rotates around the Z-axis. axis rotation.
  • the CNC system is used to realize NC-based circular diamond wire cutting trajectory planning and CAM-based processing path programming.
  • Horizontal X-axis and Y-axis orthogonal slide table the linkage of the two axes can realize curved surface motion.
  • two directions of rotation are added, namely B and C axes.
  • the C axis is based on the B axis, B
  • the axis opening swing is used to realize the spatial curved surface shape.
  • the C-axis rotates and can reciprocate or superimpose 360° rotation, which is used to realize curved surface processing and ensure tangent point tracking. It is also equipped with the Z-axis of the cutter head to adjust the tangent point of the workpiece.
  • the five-axis NC-based circular diamond wire cutting trajectory planning and CAM processing path programming work together to achieve complex surface processing.
  • the diamond wire is subject to the resistance of the material being cut, and will produce a line bow along the tangent direction of the curve of the cutting point.
  • the Y-axis is used laterally in conjunction with the X-axis
  • the diamond wire is in motion, it is easy to jump out of the wheel groove due to lateral force, resulting in a jumper phenomenon.
  • the wire jumper is not performed, when the direction of the force on the diamond wire changes in the reverse direction, the wire will curl up, causing abnormal irregularities on the cutting surface. marks, affecting the quality of the cutting surface.
  • the diamond wire and the workpiece are always in a very unstable positional relationship, causing problems such as wire skipping and poor surface quality during the cutting process. Therefore, a better way is to always swing the tool head along the feed direction.
  • the diamond wire is always pressed against the cutting direction for cutting, that is, the tangent point tracking method.
  • the solution of the embodiment of the present application can make the diamond wire always press the cutting direction for cutting. In this state, the wheel groove has the best grip on the wire, which improves the processing accuracy and quality.
  • it adopts five-axis spatial multi-axis linkage to achieve Perform three-dimensional special-shaped complex surface processing, such as two-dimensional curve and surface processing, three-dimensional cylinder, cone and other shape processing.
  • the cutting assembly 300 can adopt different cutter head solutions.
  • the cutting assembly 300 can include a mounting frame 301, a first cutting wheel 303, a second cutting wheel 304, a tension Wheel 305, driving wheel 306, diamond wire (not shown).
  • the first cutting wheel 303, the second cutting wheel 304, the tension wheel 305, and the driving wheel 306 are arranged on the mounting frame 301 at intervals in sequence.
  • the diamond wires pass around the edges of each wheel in order to form annular wires.
  • the mounting frame 301 passes through the sliding plate. 302 is arranged on the column 400.
  • the driving wheel 306 is used to provide power to the cutting wire network and drive the movement of the diamond wire to provide cutting force for cutting.
  • the first cutting wheel 303 and the second cutting wheel 304 are respectively used to support the diamond wire along the feeding direction.
  • the segment of the diamond wire between the two cutting wheels is the effective cutting line length, and the tension wheel 305 is used to tighten the wire network and maintain stable cutting tension.
  • machining can be performed simultaneously with coordinated movements under the control of a computer numerical control (CNC) system.
  • CNC computer numerical control
  • the multi-axis linkage display of the tool axis vector of the entire cutting trajectory process can be changed as needed, and is controlled by the X, Y, and Z trajectory control axes.
  • the B-axis and C-axis are realized, and then the material is removed layer by layer, and finally spatial surface processing is realized.
  • four-axis linkage can realize curved surface motion.
  • Z-axis it is equipped with a tool head to feed the Z-axis to adjust the workpiece tangent point. Located at the midpoint of the effective cutting line segment, five-axis linkage processing with a better line cutting position can be achieved.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

Les modes de réalisation de la présente demande fournissent un appareil de coupe de fil de diamant, impliquant : l'obtention d'un trajet prédéfini à couper de façon à obtenir respectivement un angle tangent au niveau d'un point de coupe et la distance entre le point de coupe et un arbre rotatif prédéfini ; le calcul de l'angle de rotation de l'arbre rotatif prédéfini correspondant au point de coupe dans le trajet prédéfini à couper ; et en fonction de l'angle de rotation de l'arbre rotatif prédéfini, la commande de la rotation d'un matériau à couper, de sorte que la direction de coupe réelle au niveau du point de coupe est cohérente avec la direction tangente au point de coupe dans le trajet prédéfini à couper et est coplanaire avec une surface de coupe standard. De cette manière, lorsque la courbe d'une surface change, l'angle du matériau coupé par rapport au fil de diamant progressant est automatiquement ajusté, de telle sorte que la direction du fil de diamant progressant au niveau de chaque point de coupe reste cohérente avec la direction tangente de la surface au niveau de ladite position, et est coplanaire avec la surface de coupe standard. La stabilité de l'arc de fil est ainsi maintenue, ce qui permet d'obtenir une taille et une direction contrôlables de l'arc de fil, et d'éviter le problème d'un motif de coupe théorique ne correspondant pas à un motif de coupe réel dû à un changement de l'arc de fil de diamant, ce qui permet d'obtenir une coupe de surface de haute précision par le fil de diamant.
PCT/CN2023/103801 2022-06-30 2023-06-29 Appareil de coupe de fil de diamant, procédé et appareil de commande de coupe de fil WO2024002233A1 (fr)

Applications Claiming Priority (14)

Application Number Priority Date Filing Date Title
CN202210764302.0A CN114985857B (zh) 2022-06-30 2022-06-30 一种线切割控制方法、线切割控制装置及线切割机
CN202210764302.0 2022-06-30
CN202210764301.6A CN115008322B (zh) 2022-06-30 2022-06-30 一种金刚线切割装置
CN202210764301.6 2022-06-30
CN202223595479.7 2022-12-30
CN202211731223.6 2022-12-30
CN202223600338.X 2022-12-30
CN202223600338.XU CN219522631U (zh) 2022-12-30 2022-12-30 线切割装置
CN202223595527.2U CN219171327U (zh) 2022-12-30 2022-12-30 载料平台及线切割装置
CN202223600336.0U CN219170308U (zh) 2022-12-30 2022-12-30 异型防护门及切割设备
CN202223600336.0 2022-12-30
CN202223595479.7U CN219686173U (zh) 2022-12-30 2022-12-30 载料平台及线切割装置
CN202223595527.2 2022-12-30
CN202211731223.6A CN116638162A (zh) 2022-12-30 2022-12-30 线切割控制方法

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CN117863370A (zh) * 2024-03-11 2024-04-12 宁远华创粉体材料有限公司 一种可加工不同尺寸石英石原料的切割工装

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JP2005034980A (ja) * 2003-06-27 2005-02-10 Koide Kinzoku Kogyo Kk 切断機
CN101500753A (zh) * 2006-06-30 2009-08-05 国立大学法人长崎大学 切断方法及切断装置
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CN205889589U (zh) * 2016-08-19 2017-01-18 台州市双辉机械设备有限公司 一种多线切割机的防护门升降结构
CN113306029A (zh) * 2021-05-21 2021-08-27 福州天瑞线锯科技有限公司 一种开方机
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CN115008322A (zh) * 2022-06-30 2022-09-06 青岛高测科技股份有限公司 一种金刚线切割装置
CN219171327U (zh) * 2022-12-30 2023-06-13 青岛高测科技股份有限公司 载料平台及线切割装置
CN219170308U (zh) * 2022-12-30 2023-06-13 青岛高测科技股份有限公司 异型防护门及切割设备

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JP2005034980A (ja) * 2003-06-27 2005-02-10 Koide Kinzoku Kogyo Kk 切断機
CN101500753A (zh) * 2006-06-30 2009-08-05 国立大学法人长崎大学 切断方法及切断装置
JP2014073549A (ja) * 2012-10-04 2014-04-24 Komatsu Ntc Ltd 曲面加工方法および曲面加工用のワイヤソー
CN205889589U (zh) * 2016-08-19 2017-01-18 台州市双辉机械设备有限公司 一种多线切割机的防护门升降结构
CN113306029A (zh) * 2021-05-21 2021-08-27 福州天瑞线锯科技有限公司 一种开方机
CN215316169U (zh) * 2021-07-02 2021-12-28 廊坊诺唯特智能设备制造有限公司 一种线切割机床全防护罩
CN114985857A (zh) * 2022-06-30 2022-09-02 青岛高测科技股份有限公司 一种线切割控制方法、线切割控制装置及线切割机
CN115008322A (zh) * 2022-06-30 2022-09-06 青岛高测科技股份有限公司 一种金刚线切割装置
CN219171327U (zh) * 2022-12-30 2023-06-13 青岛高测科技股份有限公司 载料平台及线切割装置
CN219170308U (zh) * 2022-12-30 2023-06-13 青岛高测科技股份有限公司 异型防护门及切割设备

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117863370A (zh) * 2024-03-11 2024-04-12 宁远华创粉体材料有限公司 一种可加工不同尺寸石英石原料的切割工装
CN117863370B (zh) * 2024-03-11 2024-05-31 宁远华创粉体材料有限公司 一种可加工不同尺寸石英石原料的切割工装

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