Molybdenum wire perpendicularity detection device and linear cutting machine tool manufactured by using molybdenum wire perpendicularity detection device
By designing a molybdenum wire perpendicularity detection device and an automated adjustment method, the problems of large errors in molybdenum wire perpendicularity adjustment and the influence of experience on accuracy were solved, achieving high-precision automated correction and improving the processing accuracy and efficiency of wire EDM machines.
Patent Information
- Application Number
- CN202520051973.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-01-09
AI Technical Summary
Existing technologies for adjusting the verticality of molybdenum wires suffer from large errors, the adjustment accuracy is easily affected by personal experience, and there is a lack of automated adjustment methods.
Design a molybdenum wire perpendicularity detection device, including an upper detection block and a lower detection block. The detection block forms a circuit with the molybdenum wire, and the perpendicularity of the molybdenum wire is automatically adjusted in conjunction with the X-axis, X1-axis, Y-axis and Y-axis of the wire cutting machine tool to achieve automated correction.
This improves the automation and adjustment accuracy of molybdenum wire perpendicularity adjustment, ensuring processing accuracy and efficiency.
Smart Images

Figure CN223811644U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electric spark processing equipment field, concretely relates to a molybdenum wire perpendicularity detection device and utilize its to make wire cutting machine tool. BACKGROUND
[0002] The standard of molybdenum wire perpendicularity of wire cutting machine tool is reached through a series of calibration steps, these steps include checking guide wheel, tightening molybdenum wire, positioning upper and lower guide wheels, starting power contact wire mode and adjusting taper device according to actual spark situation etc.;Conventional design allows lower guide wheel to shift left and right, and upper guide wheel to shift front and back, the purpose is to adjust molybdenum wire to be perpendicular to workbench reference surface as far as possible, this step is usually completed by manufacturer when machine tool is debugged, and generally does not need to be adjusted when processing. For the adjustment of non-taper machine tool, first fix the position of lower guide wheel, adjust the position of upper guide wheel through both end caps, and the longitudinal position of wire holder is fine-tuned through adjusting screw. And for the adjustment of taper machine tool, it can be adjusted through UV stroke, but it needs to be noted that the center of UV stroke does not deviate, to avoid affecting taper function;The target of whole calibration process is to reach the perpendicularity range that is adapted to the overall precision of wire cutting machine tool, to ensure the accuracy and efficiency of processing.
[0003] Therefore, it can be seen that the perpendicularity adjustment of molybdenum wire is determined by observing spark situation, so there is big error, and the adjustment precision is easily influenced by personal experience. UTILITY MODEL CONTENT
[0004] Based on the above problem, the utility model aims at providing a molybdenum wire perpendicularity detection device that can provide reference for molybdenum wire perpendicularity adjustment, and a wire cutting machine tool that realizes automatic correction of perpendicularity through the device.
[0005] In view of the above problems, the technical scheme is provided as follows: a molybdenum wire verticality detection device, comprising a fixed seat, wherein the fixed seat is provided with an upper detection block and a lower detection block which are arranged in the height direction and are insulated from each other; a first detection surface / edge is arranged at the outer edge of the upper detection block, and a second detection surface / edge is arranged at the outer edge of the lower detection block; the projection profiles of the first detection surface / edge and the second detection surface / edge in the height direction of the fixed seat are linear and coincide with each other; the fixed seat comprises a horizontal reference surface and / or a vertical reference surface; the horizontal reference surface and the vertical reference surface are arranged at 90 degrees with respect to each other; the upper detection block and the lower detection block are both provided with a wiring part; the upper detection block and the lower detection block are both conductors; the first detection surface / edge comprises an X1 surface / edge and a Y1 surface / edge, and the projections of the X1 surface / edge and the Y1 surface / edge in the height direction of the fixed seat are arranged at an included angle; the second detection surface / edge comprises an X2 surface / edge and a Y2 surface / edge, and the projections of the X2 surface / edge and the Y2 surface / edge in the height direction of the fixed seat are arranged at an included angle; in use, the projection of the X1 surface / edge is perpendicular to the X axis of the wire cutting machine tool, and the projection of the Y1 surface / edge is perpendicular to the Y axis of the wire cutting machine tool; in use, the projection of the X2 surface / edge is perpendicular to the X axis of the wire cutting machine tool, and the projection of the Y2 surface / edge is perpendicular to the Y axis of the wire cutting machine tool.
[0006] In the above structure, the upper detection block and the lower detection block are used to detect the verticality of the molybdenum wire; the wiring part is used for electrical connection of the wiring and the correction system, and the verticality state of the molybdenum wire is determined by forming a loop through the contact between the molybdenum wire and the upper detection block and the lower detection block, so as to adjust the verticality of the molybdenum wire.
[0007] The utility model further sets up, the first detection surface / edge and the second detection surface / edge in the projection of fixed seat height direction be circular arc shape.
[0008] In the above structure, it can also be annular; the first detection surface / edge is preferably a surface (i.e., the X1 surface / edge and the Y1 surface / edge are both surfaces), and the second detection surface / edge is preferably a surface (i.e., the X2 surface / edge and the Y2 surface / edge are both surfaces).
[0009] The utility model further sets up, the X1 surface / edge and Y1 surface / edge are spaced apart 90 degrees each other;The X2 surface / edge and Y2 surface / edge are spaced apart 90 degrees each other.
[0010] In the above structure, the X1 surface / edge and the Y1 surface / edge are located on the same circular arc or circular ring (for example, the X1 surface / edge is located at the 12 o'clock position, and the Y1 surface / edge is located at the 9 o'clock position or the 3 o'clock position); the X2 surface / edge and the Y2 surface / edge are located on the same circular arc or circular ring (for example, the X2 surface / edge is located at the 12 o'clock position, and the Y2 surface / edge is located at the 9 o'clock position or the 3 o'clock position).
[0011] The utility model further sets up, the upper detection block and the lower detection block are replaceable relative to the fixed seat.
[0012] In the structure, the upper detection block and the lower detection block are subject to electro-erosion after contacting with the molybdenum wire, and are set as replaceable spare parts.
[0013] The utility model further sets up that the lower detection block is with fixed seat same component, horizontal datum plane or / and vertical datum plane is located on the lower detection block.
[0014] In the structure, the lower detection block can directly replace the fixed seat.
[0015] A linear cutting machine made of a molybdenum wire perpendicularity detection device, comprising a bed, a column, a workbench and a molybdenum wire driving device arranged on the bed; the column is provided with an upper wire arm and a lower wire arm, the upper wire arm is provided with an upper guide wheel, and the lower wire arm is provided with a lower guide wheel; the workbench is driven to displace by an X-axis and a Y-axis; the molybdenum wire driving device drives the molybdenum wire to move between the upper guide wheel and the lower guide wheel; the workbench is provided with a fixed frame, and the fixed seat is installed on the workbench or the fixed frame; further comprising an X1-axis for adjusting the movement of the upper wire arm or the upper guide wheel towards the X-axis direction, and a Y1-axis for adjusting the movement of the upper wire arm or the upper guide wheel towards the Y-axis direction; the upper detection block, the lower detection block, the molybdenum wire and the correction system are electrically connected.
[0016] In the structure, the fixed seat is fixed on the workbench or the fixed frame through the horizontal datum plane or / and the vertical datum plane (optionally fixed by magnetic attraction); the position of the molybdenum wire relative to the workbench or the fixed frame can be moved integrally by the X-axis and the Y-axis of the machine tool to realize the feeding of the cutting work; the X-axis direction correction, when the molybdenum wire perpendicularity detection device is located on the right side of the molybdenum wire, the X-axis controls the molybdenum wire to move right relative to the workbench or the fixed frame, when the lower end of the molybdenum wire firstly contacts with the X2 surface / edge of the lower detection block, the X-axis controls the molybdenum wire to move left by a certain distance, until the lower end of the molybdenum wire is just separated from the X2 surface / edge of the lower detection block, at the same time, the X1-axis drives the upper end of the molybdenum wire to move right by a certain distance, and so on until the molybdenum wire simultaneously contacts with the upper detection block and the lower detection block, the preliminary correction is finished, when the upper end of the molybdenum wire firstly contacts with the X1 surface / edge of the upper detection block, the X1-axis drives the molybdenum wire to move left by a certain distance, at the same time, the X-axis controls the molybdenum wire to move right relative to the workbench or the fixed frame by a certain distance, and so on until the molybdenum wire simultaneously contacts with the upper detection block and the lower detection block, the preliminary correction is finished; if high-precision correction is needed, the above process is repeated, and when the molybdenum wire simultaneously contacts with the X1 surface / edge and the X2 surface / edge through software statistical calculation, the high-precision correction of the molybdenum wire is finished; the Y-axis direction correction is the same as the above correction logic, the contact between the molybdenum wire and the Y1 surface / edge and the Y2 surface / edge is controlled by the Y-axis and the Y1-axis to realize the perpendicularity correction of the Y-axis.
[0017] The utility model discloses a beneficial effect: through the contact between molybdenum wire and upper detection block, lower detection block forms the loop, and the perpendicularity of molybdenum wire is automatically regulated with the X axis, X1 axis, Y axis, Y1 axis of wire cutting machine tool, has the advantages such as high degree of automation, and the regulating precision is accurate. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the first form three-dimensional structure schematic diagram of molybdenum wire perpendicularity detection device of the utility model embodiment 1.
[0019] Figure 2 It is the second form three-dimensional structure schematic diagram of molybdenum wire perpendicularity detection device of the utility model embodiment 1.
[0020] Figure 3 It is the third form three-dimensional structure schematic diagram of molybdenum wire perpendicularity detection device of the utility model embodiment 1.
[0021] Figure 4 It is the fourth form three-dimensional structure schematic diagram of molybdenum wire perpendicularity detection device of the utility model embodiment 1.
[0022] Figure 5 It is the fifth form three-dimensional structure schematic diagram of molybdenum wire perpendicularity detection device of the utility model embodiment 1.
[0023] Figure 6 It is the sixth form three-dimensional structure schematic diagram of molybdenum wire perpendicularity detection device of the utility model embodiment 1.
[0024] Figure 7 It is the first state regulation reference diagram of molybdenum wire of the utility model embodiment 2.
[0025] Figure 8 It is the second state regulation reference diagram of molybdenum wire of the utility model embodiment 2.
[0026] The meaning of the reference numeral in the drawing: 10-upper detection block;11-first detection surface / edge;111-X1 surface / edge;112-Y1 surface / edge;20-lower detection block;21-second detection surface / edge;211-X2 surface / edge;212-Y2 surface / edge;A-molybdenum wire. DETAILED DESCRIPTION
[0027] The specific implementation of the utility model is described in further detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.
[0028] Example 1
[0029] Reference Figures 1 to 8 For example Figures 1 to 6The verticality detection device of the molybdenum wire shown comprises a fixed seat (not shown in the figure), the fixed seat (not shown in the figure) is provided with an upper detection block 10 and a lower detection block 20 which are arranged at a distance from each other in the height direction and are insulated from each other, a first detection surface / edge 11 is arranged at the outer edge of the upper detection block 10, a second detection surface / edge 21 is arranged at the outer edge of the lower detection block 20, the projection profile of the first detection surface / edge 11 and the second detection surface / edge 21 in the height direction of the fixed seat (not shown in the figure) is linear and coincides with each other, the fixed seat (not shown in the figure) comprises a horizontal reference surface and / or a vertical reference surface (which are conventional reference surfaces in mechanical positioning), the horizontal reference surface and the vertical reference surface are arranged at an angle of 90 degrees with each other (the horizontal reference surface realizes positioning in the Z-axis direction, and the vertical reference surface realizes positioning in the X or Y-axis direction), the upper detection block 10 and the lower detection block 20 are both provided with a wiring part (not shown in the figure), the upper detection block 10 and the lower detection block 20 are both conductors, the first detection surface / edge 11 comprises an X1 surface / edge 111 and a Y1 surface / edge 112, the X1 surface / edge 111 and the Y1 surface / edge 112 are arranged at an angle in the projection in the height direction of the fixed seat (not shown in the figure) (for reference Figure 1 、 Figure 2 );the second detection surface / edge 21 comprises an X2 surface / edge 211 and a Y2 surface / edge 212, the X2 surface / edge 211 and the Y2 surface / edge 212 are arranged at an angle in the projection in the height direction of the fixed seat (not shown in the figure) (for reference Figure 1 、 Figure 2 );when in use, the projection of the X1 surface / edge 111 is perpendicular to the X-axis of the wire cutting machine tool, and the projection of the Y1 surface / edge 112 is perpendicular to the Y-axis of the wire cutting machine tool; when in use, the projection of the X2 surface / edge 211 is perpendicular to the X-axis of the wire cutting machine tool, and the projection of the Y2 surface / edge 212 is perpendicular to the Y-axis of the wire cutting machine tool.
[0030] In the above structure, the upper detection block 10 and the lower detection block 20 are used to detect the verticality of the molybdenum wire a; the wiring part (not shown in the figure) is used for electrical connection with the correction system (embedded in the numerical control servo part, not shown in the figure), and the verticality state of the molybdenum wire a is determined by forming a loop through the contact between the molybdenum wire a and the upper detection block 10 and the lower detection block 20, so as to adjust the verticality of the molybdenum wire a.
[0031] In this embodiment, the projection of the first detection surface / edge 11 and the second detection surface / edge 21 in the height direction of the fixed seat (not shown in the figure) is in the shape of a circular arc (for reference Figure 3 、 Figure 4 ).
[0032] In the above structure, it can also be in the shape of a ring (for reference Figure 5 、 Figure 6 ); the first detection surface / edge 11 is preferably a surface (i.e. the X1 surface / edge 111 and the Y1 surface / edge 112 are both surfaces, such asFigure 1 、 Figure 3 、 Figure 5 As shown in FIG. 1, the second detection surface / edge 21 is preferably a surface (i.e., the X2 surface / edge 211 and the Y2 surface / edge 212 are both surfaces, as shown in FIG. 2). Figure 1 、 Figure 3 、 Figure 5 As shown in FIG. 1, the second detection surface / edge 21 is preferably a surface (i.e., the X2 surface / edge 211 and the Y2 surface / edge 212 are both surfaces, as shown in FIG. 2).
[0033] In this embodiment, the X1 surface / edge 111 and the Y1 surface / edge 112 are spaced 90 degrees apart from each other; the X2 surface / edge 211 and the Y2 surface / edge 212 are spaced 90 degrees apart from each other.
[0034] In the above structure, the X1 surface / edge 111 and the Y1 surface / edge 112 are both located on the same circular arc or circular ring (e.g., the X1 surface / edge 111 is located at the 12 o'clock position, and the Y1 surface / edge 112 is located at the 9 o'clock position or the 3 o'clock position); the X2 surface / edge 211 and the Y2 surface / edge 212 are both located on the same circular arc or circular ring (e.g., the X2 surface / edge 211 is located at the 12 o'clock position, and the Y2 surface / edge 212 is located at the 9 o'clock position or the 3 o'clock position).
[0035] In this embodiment, the upper detection block 10 and the lower detection block 20 are replaceably arranged relative to a fixed seat (not shown in the figure).
[0036] In the above structure, the upper detection block 10 and the lower detection block 20 will be electrically eroded after being in contact with the molybdenum wire a, and are arranged to be replaceable as consumable parts, and the replacement and fixing methods include but are not limited to conventional screws and buckle fixing.
[0037] In this embodiment, the lower detection block 20 and the fixed seat (not shown in the figure) are the same component, and the horizontal reference surface and / or the vertical reference surface (which are conventional reference surfaces in mechanical positioning) are located on the lower detection block 20.
[0038] In the above structure, the lower detection block 20 can be directly used instead of the fixed seat (not shown in the figure).
[0039] Embodiment 2
[0040] Reference Figures 1 to 8 As shown in FIG. 1, the second detection surface / edge 21 is preferably a surface (i.e., the X2 surface / edge 211 and the Y2 surface / edge 212 are both surfaces, as shown in FIG. 2). Figures 1 to 8The wire cutting machine bed made by the molybdenum wire perpendicularity detection device is shown, which comprises the molybdenum wire perpendicularity detection device in embodiment 1, and further comprises a bed body (existing structure, not shown in the figure), a stand (existing structure, not shown in the figure) arranged on the bed body (existing structure, not shown in the figure), a workbench (existing structure, not shown in the figure) and a molybdenum wire driving device (existing structure, not shown in the figure, responsible for winding the molybdenum wire); the stand (existing structure, not shown in the figure) is provided with an upper wire arm (existing structure, not shown in the figure) and a lower wire arm (existing structure, not shown in the figure), the upper wire arm (existing structure, not shown in the figure) is provided with an upper guide wheel (existing structure, not shown in the figure), and the lower wire arm (existing structure, not shown in the figure) is provided with a lower guide wheel (existing structure, not shown in the figure); the workbench (existing structure, not shown in the figure) is driven to displace by an X-axis and a Y-axis (existing structure, not shown in the figure); the molybdenum wire driving device (existing structure, not shown in the figure, responsible for winding the molybdenum wire) drives the molybdenum wire a to move between the upper guide wheel (existing structure, not shown in the figure) and the lower guide wheel (existing structure, not shown in the figure); the workbench (existing structure, not shown in the figure) is provided with a fixing frame (existing structure, not shown in the figure), and the fixing seat (not shown in the figure) is mounted on the workbench (existing structure, not shown in the figure) or the fixing frame (existing structure, not shown in the figure); further comprising an X1-axis (a conventional freedom adjustment mode in the mechanical field, not shown in the figure) for adjusting the movement of the upper wire arm (existing structure, not shown in the figure) or the upper guide wheel (existing structure, not shown in the figure) towards the X-axis direction, and a Y1-axis (a conventional freedom adjustment mode in the mechanical field, not shown in the figure) for adjusting the movement of the upper wire arm (existing structure, not shown in the figure) or the upper guide wheel (existing structure, not shown in the figure) towards the Y-axis direction; the upper detection block 10, the lower detection block 20, the molybdenum wire a and the correction system (embedded in the numerical control servo part, not shown in the figure) are electrically connected.
[0041] In the above structure, the fixing seat (not shown in the figure) is fixed on the workbench (existing structure, not shown in the figure) or the fixing frame (existing structure, not shown in the figure) through a horizontal reference surface or / and a vertical reference surface (a conventional reference surface in mechanical positioning); the position of the molybdenum wire a relative to the workbench (existing structure, not shown in the figure) or the fixing frame (existing structure, not shown in the figure) can be moved integrally by the X-axis and the Y-axis of the machine tool to realize the feeding of the cutting work; the X-axis direction correction, for example, when the molybdenum wire perpendicularity detection device is located on the right side of the molybdenum wire a (refer to the figure) Figure 7), when the lower end of the molybdenum wire a first contacts the X2 surface / edge 211 of the lower detection block 20, the X axis controls the molybdenum wire a to move to the left by a certain distance, until the lower end of the molybdenum wire a is just separated from the X2 surface / edge 211 of the lower detection block 20, and at the same time the X1 axis drives the upper end of the molybdenum wire a to move to the right by a certain distance, and so on until the molybdenum wire a is in contact with the upper detection block 10 and the lower detection block 20 at the same time, and the preliminary correction is completed. Figure 8 ), when the lower end of the molybdenum wire a first contacts the X2 surface / edge 211 of the lower detection block 20, the X axis controls the molybdenum wire a to move to the left by a certain distance, until the lower end of the molybdenum wire a is just separated from the X2 surface / edge 211 of the lower detection block 20, and at the same time the X1 axis drives the upper end of the molybdenum wire a to move to the right by a certain distance, and so on until the molybdenum wire a is in contact with the upper detection block 10 and the lower detection block 20 at the same time, and the preliminary correction is completed.
[0042] The molybdenum wire a is in contact with the upper detection block 10 and the lower detection block 20 to form a loop, and the X axis, the X1 axis, the Y axis and the Y1 axis of the wire cutting machine are used to automatically adjust the perpendicularity of the molybdenum wire a.
[0043] The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled persons in the technical field, without departing from the technical principle of the utility model, a plurality of improvements and modifications can be made, and the above-mentioned improvements and modifications are also regarded as the protection range of the utility model.
Claims
1. A molybdenum wire perpendicularity detection device, characterized by: The fixed seat is provided with upper and lower detection blocks which are spaced apart and insulated from each other in the height direction; the outer edge of the upper detection block is provided with a first detection surface / edge, and the outer edge of the lower detection block is provided with a second detection surface / edge, the projection profile of the first detection surface / edge and the second detection surface / edge in the height direction of the fixed seat is linear and coincides with each other; the fixed seat includes a horizontal reference surface and / or a vertical reference surface; the horizontal reference surface and the vertical reference surface are arranged at 90 degrees to each other; the upper detection block and the lower detection block are both provided with a wiring part; the upper detection block and the lower detection block are both conductors; the first detection surface / edge includes X1 surface / edge and Y1 surface / edge, the projection of the X1 surface / edge and the Y1 surface / edge in the height direction of the fixed seat is arranged at an included angle; the second detection surface / edge includes X2 surface / edge and Y2 surface / edge, the projection of the X2 surface / edge and the Y2 surface / edge in the height direction of the fixed seat is arranged at an included angle; in use, the projection of the X1 surface / edge is perpendicular to the X-axis of the wire cutting machine tool, the projection of the Y1 surface / edge is perpendicular to the Y-axis of the wire cutting machine tool, at the same time, the projection of the X2 surface / edge is perpendicular to the X-axis of the wire cutting machine tool, and the projection of the Y2 surface / edge is perpendicular to the Y-axis of the wire cutting machine tool.
2. The molybdenum wire perpendicularity detection device according to claim 1, characterized in that: The projection of the first detection surface / edge and the second detection surface / edge in the height direction of the fixed seat is in the shape of a circular arc.
3. The molybdenum wire perpendicularity detection device according to claim 2, characterized in that: The X1 surface / edge and the Y1 surface / edge are spaced apart by 90 degrees; the X2 surface / edge and the Y2 surface / edge are spaced apart by 90 degrees.
4. The molybdenum wire perpendicularity detection device according to claim 1, characterized in that: The upper detection block and the lower detection block are replaceably arranged relative to the fixed seat.
5. The molybdenum wire perpendicularity detection device according to claim 1, characterized in that: The lower detection block and the fixed seat are the same component, and the horizontal reference surface and / or the vertical reference surface are located on the lower detection block.
6. A wire cutting machine tool made of the molybdenum wire perpendicularity detection device of any one of claims 1 to 5, comprising a bed body, a column, a workbench and a molybdenum wire driving device arranged on the bed body; the column is provided with an upper wire arm and a lower wire arm, the upper wire arm is provided with an upper guide wheel, and the lower wire arm is provided with a lower guide wheel; the workbench is driven to displace by an X-axis and a Y-axis; the molybdenum wire driving device drives the molybdenum wire to move between the upper guide wheel and the lower guide wheel; the workbench is provided with a fixing frame, and the fixed seat is installed on the workbench or the fixing frame; further comprising an X1-axis for adjusting the movement of the upper wire arm or the upper guide wheel towards the X-axis direction, and a Y1-axis for adjusting the movement of the upper wire arm or the upper guide wheel towards the Y-axis direction; the upper detection block, the lower detection block, the molybdenum wire and the correction system are electrically connected.