Molybdenum wire tension detection device of high-speed reciprocating wire cutting machine tool

Abstract

The utility model discloses a molybdenum wire tension detection device for a high-speed reciprocating wire cutting machine tool, which comprises a machine tool, a sliding groove arranged on one side of the machine tool, limiting grooves arranged on two sides of the inner wall of the sliding groove, a sliding block arranged on the sliding groove, and a tension detection device arranged on the sliding block, the two sides of the sliding block are fixedly connected with limiting blocks, the two sides of the sliding block are slidably connected with the inner wall of the sliding groove, the limiting blocks are slidably connected with the inner wall of the limiting groove, the bottom of the sliding block is fixedly connected with a first supporting plate, the bottom of the first supporting plate is fixedly connected with a pressure-sensitive sensor, and one side of the sliding block is provided with a detection guide wheel. The support is used for supporting molybdenum wires; the molybdenum wire tension detection device solves the problems that when an existing molybdenum wire tension detection device is used, the position of a guide wheel for detection is fixed, the tension of a molybdenum wire in a static state is constant, the variation range of the molybdenum wire tension which can be measured during molybdenum wire cutting is small, and measurement data are insufficient.

Description

TECHNICAL FIELD

[0001] The utility model relates to wire cutting machine tool technical field, concretely is a kind of high-speed reciprocating wire cutting machine tool molybdenum wire tension detection device. BACKGROUND

[0002] High-speed reciprocating wire cutting is the special processing machine tool that utilizes the electric spark pulse discharge between molybdenum wire and workpiece, utilizes the electric corrosion of discharge to remove workpiece material, to complete cutting processing, wherein the tension of molybdenum wire is very important, has great influence on processing quality, and molybdenum wire tension is not constant, has adverse effect on workpiece processing surface, and also has the influence that cannot be ignored to spark discharge.Molybdenum wire tension detection device of present machine tool is fixed when using, the position of guide pulley for detection makes that molybdenum wire is constant in static state tension, the range of molybdenum wire tension that can be measured is smaller when molybdenum wire cuts, and measurement data is not enough. UTILITY MODEL CONTENTS

[0003] The utility model discloses a kind of high-speed reciprocating wire cutting machine tool molybdenum wire tension detection devices, by setting drive support component and distance detection component, the data detected by pressure sensor is the vertical pressure of molybdenum wire to detection guide pulley, the vertical deflection distance of detection support position and transverse deflection distance are measured, the angle of contact of detection guide pulley and molybdenum wire contact position can be calculated, the tension of molybdenum wire can be measured with vertical pressure, and static tension can be adjusted, and measurement data is expanded.

[0004] The utility model provides following technical scheme: a kind of high-speed reciprocating wire cutting machine tool molybdenum wire tension detection device, including machine tool, the side of the machine tool is provided with chute, the inner wall of the chute is provided with limit slot on both sides, still include,

[0005] Slide block, the both sides of the slide block are fixedly connected with limit block, the both sides of the slide block are slidably connected with the inner wall of chute, the limit block is slidably connected with the inner wall of limit slot, the bottom of the slide block is fixedly connected with support plate one, the bottom of the support plate one is fixedly connected with pressure sensor, one side of the slide block is equipped with detection guide pulley, for supporting molybdenum wire;

[0006] Drive support component, the drive support component includes hydraulic rod, the hydraulic rod is located below support plate one, for changing the position of slide block in chute, changes the support force of detection guide pulley to molybdenum wire;

[0007] Distance detection component, the distance detection component includes laser range finder one and laser range finder two, for measuring the transverse distance between other guide pulley and detection guide pulley, and the longitudinal height of detection guide pulley.

[0008] Preferably, a connecting plate is fixedly connected to the top of the hydraulic rod, the bottom of the pressure sensor is fixedly connected to the top of the connecting plate, a vertical plate is fixedly connected to one side of the bottom of the machine tool, a second support plate is fixedly connected to the bottom of the vertical plate, and the top of the second support plate is fixedly connected to the bottom of the hydraulic rod.

[0009] Preferably, limit rods are fixedly connected to the four bottom corners of the support plate, and the limit rods pass through the four corners of the sliding connection plate.

[0010] Preferably, a fixed plate is fixedly connected to the side of the support plate away from the slider, a support shaft is rotatably connected to the upper side of the fixed plate, the end of the support shaft away from the fixed plate is rotatably connected to the side of the slider through a bearing, a support roller is fixedly connected to the middle of the support shaft, and the top of the support roller is rotatably connected to the bottom of the detection guide wheel.

[0011] Preferably, a data analysis module is fixedly connected to one side of the top of the second support plate, and the data analysis module is electrically connected to the pressure sensor via a data cable.

[0012] Preferably, a support column is fixedly connected to the top of the second support plate, a fixing plate is fixedly connected to the top of the support column, the bottom of the first laser rangefinder is fixedly connected to the top of the first fixing plate, and a light-blocking plate is fixedly connected to one side of the first support plate.

[0013] Preferably, a base plate is fixedly connected to the bottom of the machine tool, a second fixing plate and a second light-blocking plate are fixedly connected to the top of the base plate, one side of the second fixing plate is fixedly connected to the side of the second laser rangefinder, the emission port of the second laser rangefinder is directly opposite the second light-blocking plate, the second fixing plate is directly opposite the position of one of the guide wheels, and the second light-blocking plate is directly opposite the position of the detection guide wheel.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. By setting up a drive support component and a distance detection component, the pressure sensor detects the vertical pressure of the molybdenum wire on the detection guide wheel. Then, by measuring the vertical and horizontal skew distances of the detection guide wheel support, the circumference angle of the contact point between the detection guide wheel and the molybdenum wire can be calculated. Combined with the vertical pressure, the tension of the molybdenum wire can be measured. The static tension is adjustable, expanding the measurement data.

[0016] 2. By setting a support roller, the top of the support roller is rotatably connected to the bottom of the detection guide wheel, which provides auxiliary support for the detection guide wheel and avoids excessive tension of the molybdenum wire causing the detection guide wheel to tilt, resulting in large errors in the detection data. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 It is the structural schematic view of the support plate one in the utility model;

[0019] Figure 3 It is the structural exploded view of the support plate one in the utility model;

[0020] Figure 4 It is Figure 1 The enlarged structural schematic view of A in the utility model.

[0021] In the figure: 1, machine tool; 2, sliding groove; 3, sliding block; 4, limiting block; 5, limiting slot; 6, support plate one; 7, pressure sensor; 8, connecting plate; 9, hydraulic rod; 10, vertical plate; 11, support plate two; 12, data analysis module; 13, limiting rod; 14, fixed plate; 15, support shaft; 16, support roller; 17, support column; 18, fixed plate one; 19, laser range finder one; 20, light barrier one; 21, fixed plate two; 22, laser range finder two; 23, light barrier two; 24, bottom plate. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides a kind of high-speed reciprocating wire cutting machine tool molybdenum wire tension detection device, including machine tool 1, the side of machine tool 1 is provided with sliding groove 2, the inner wall of sliding groove 2 both sides is provided with limiting slot 5, still include,

[0024] Sliding block 3, the both sides of sliding block 3 are fixedly connected with limiting block 4, the both sides of sliding block 3 are slidably connected with the inner wall of sliding groove 2, limiting block 4 is slidably connected with the inner wall of limiting slot 5, the bottom of sliding block 3 is fixedly connected with support plate one 6, the bottom of support plate one 6 is fixedly connected with pressure sensor 7, one side of sliding block 3 is equipped with detection guide wheel, for supporting molybdenum wire;

[0025] Drive support assembly, drive support assembly includes hydraulic rod 9, hydraulic rod 9 is located below support plate one 6, for changing the position of sliding block 3 in sliding groove 2, changes the support force of detection guide wheel to molybdenum wire;

[0026] Distance detection assembly, distance detection assembly includes laser range finder one 19 and laser range finder two 22, for measuring the transverse distance between other guide wheels and detection guide wheel, and the longitudinal height of detection guide wheel.

[0027] The top of the hydraulic rod 9 is fixedly connected with a connecting plate 8, the top of the connecting plate 8 is fixedly connected with the bottom of the pressure sensor 7, one side of the bottom of the machine tool 1 is fixedly connected with a vertical plate 10, the bottom of the vertical plate 10 is fixedly connected with a support plate two 11, the bottom of the hydraulic rod 9 is fixedly connected with the top of the support plate two 11, the support plate one 6 is pushed to move up or down through the hydraulic rod 9, so that the support force of the detection guide wheel on the molybdenum wire is changed, the tension of the molybdenum wire is actively changed, and multiple tension measurements are carried out;

[0028] The bottom of the support plate one 6 is fixedly connected with a limiting rod 13 at four corners, the limiting rod 13 penetrates through the four corners of the connecting plate 8 in a sliding manner, and the limiting rod 13 plays a role in stabilizing, so that the position of the support plate one 6 and the connecting plate 8 is prevented from being deviated to damage the pressure sensor 7, and the pressure sensor 7 is not affected by extrusion;

[0029] The side, away from the sliding block 3, of the support plate one 6 is fixedly connected with a fixed plate 14, the upper side of the fixed plate 14 is rotatably connected with a support shaft 15, one end, away from the fixed plate 14, of the support shaft 15 is rotatably connected with the side face of the sliding block 3 through a bearing, and the middle part of the support shaft 15 is fixedly connected with a support roller 16 in a penetrating manner, and the top of the support roller 16 is rotatably connected with the bottom of the detection guide wheel, so that the detection guide wheel is assisted and supported, and the detection guide wheel is prevented from being deviated due to excessive tension of the molybdenum wire, so that the detection data error is large;

[0030] The top of the support plate two 11 is fixedly connected with a data analysis module 12, the data analysis module 12 is electrically connected with the pressure sensor 7 through a data line, and is used for transmitting data and making analysis;

[0031] The other side of the top of the support plate two 11 is fixedly connected with a support column 17, the top of the support column 17 is fixedly connected with a fixed plate one 18, the bottom of a laser range finder one 19 is fixedly connected with the top of the fixed plate one 18, one side of the support plate one 6 is fixedly connected with a light shield plate one 20, the emission port of the laser range finder one 19 is in the same height as the contact positions of the two side guide wheels and the molybdenum wire, the distance from the contact position of the top of the detection guide wheel and the molybdenum wire to the support plate one 6 is constant, and the distance from the laser range finder one 19 to the bottom of the light shield plate one 20 and the thickness of the light shield plate one 20 are the vertical offset distance of the molybdenum wire at the detection guide wheel;

[0032] The bottom of the machine tool 1 is fixedly connected with a bottom plate 24, the top of the bottom plate 24 is fixedly connected with a fixed plate two 21 and a light shield plate two 23, the side face of the laser range finder two 22 is fixedly connected with one side of the fixed plate two 21, the emission port of the laser range finder two 22 is opposite to the light shield plate two 23, the fixed plate two 21 is opposite to the position of one guide wheel, and the light shield plate two 23 is opposite to the position of the detection guide wheel, so that the transverse distance from the detection guide wheel to the adjacent guide wheel is measured;

[0033] The working principle of the utility model:

[0034] The molybdenum wire is wound around the guide wheel of the machine tool 1, and the existing technology and equipment will not be described again, the detection guide wheel is located below the lower side of the molybdenum wire, and the molybdenum wire is supported, the position of the sliding block 3 in the sliding groove 2 is changed by pushing the supporting plate one 6 through the hydraulic rod 9, so as to change the supporting force of the detection guide wheel to the molybdenum wire, so as to change the tension of the molybdenum wire in the static state, the data detected by the pressure sensor 7 is the vertical pressure of the molybdenum wire to the detection guide wheel, the data measured by the laser range finder one 19 is added to the distance from the top of the detection guide wheel to the light shield plate one 20 and the thickness of the light shield plate one 20, that is, the distance of the upward deflection of the molybdenum wire, and the data measured by the laser range finder two 22 is the horizontal distance of the deflection of the molybdenum wire, so as to calculate the winding angle of the molybdenum wire on the detection guide wheel, cooperate with the pressure value measured by the pressure sensor 7, calculate the tension of the molybdenum wire at this time through the data analysis module 12, and the position of the detection guide wheel is variable, so as to be able to detect the tension of the molybdenum wire in operation at different static tensions, solve the problem that the position of the detection guide wheel for detection is fixed when the existing molybdenum wire tension detection device is used, so that the tension of the molybdenum wire is constant in the static state, and the change range of the molybdenum wire tension that can be measured is small when the molybdenum wire is cut, and the measurement data is not sufficient.

[0035] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0036] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A high-speed reciprocating wire linear cutting machine tool molybdenum wire tension detection device, comprising a machine tool (1), characterized in that: The machine tool (1) is provided with a sliding groove (2) on one side, and limit grooves (5) are formed on the inner walls of the sliding groove (2), further comprising, A sliding block (3) is fixedly connected with limit blocks (4) on both sides, and the sliding block (3) is slidably connected with the inner walls of the sliding groove (2), and the limit blocks (4) are slidably connected with the inner walls of the limit grooves (5), and the bottom of the sliding block (3) is fixedly connected with a support plate one (6), and the bottom of the support plate one (6) is fixedly connected with a pressure sensor (7), and one side of the sliding block (3) is provided with a detection guide wheel for supporting the molybdenum wire; A driving support assembly is provided, which comprises a hydraulic rod (9) located below the support plate one (6) and used for changing the position of the sliding block (3) in the sliding groove (2) and changing the supporting force of the detection guide wheel on the molybdenum wire; A distance detection assembly is provided, which comprises a laser range finder one (19) and a laser range finder two (22) and is used for measuring the lateral distance between the other guide wheels and the detection guide wheel and the longitudinal height of the detection guide wheel.

2. The high-speed traverse wire-cut electrical discharge machine molybdenum wire tension detection device according to claim 1, characterized in that: The top of the hydraulic rod (9) is fixedly connected with a connecting plate (8), the bottom of the pressure sensor (7) is fixedly connected with the top of the connecting plate (8), one side of the bottom of the machine tool (1) is fixedly connected with a vertical plate (10), the bottom of the vertical plate (10) is fixedly connected with a support plate two (11), and the bottom of the hydraulic rod (9) is fixedly connected with the top of the support plate two (11).

3. The high-speed traverse wire-cut electrical discharge machine molybdenum wire tension detection device according to claim 1, characterized in that: The bottom of the support plate one (6) is fixedly connected with limit rods (13) at four corners, and the limit rods (13) penetrate through the four corners of the connecting plate (8) in a sliding manner.

4. The high-speed traverse wire-cut electrical discharge machine molybdenum wire tension detection device according to claim 1, characterized in that: The side of the support plate one (6) away from the sliding block (3) is fixedly connected with a fixed plate (14), the upper side of the fixed plate (14) is rotatably connected with a support shaft (15) penetrating therethrough, one end of the support shaft (15) away from the fixed plate (14) is rotatably connected with the side surface of the sliding block (3) through a bearing, and the middle part of the support shaft (15) is fixedly connected with a support roller (16) penetrating therethrough, and the top of the support roller (16) is rotatably connected with the bottom of the detection guide wheel.

5. The high-speed traverse wire-cut electrical discharge machine molybdenum wire tension detection device according to claim 2, characterized in that: The top of the support plate two (11) is fixedly connected with a data analysis module (12), and the data analysis module (12) is electrically connected with the pressure sensor (7) through a data line.

6. The high-speed traverse wire-cut electrical discharge machine molybdenum wire tension detection device according to claim 2, characterized in that: The top of the support plate two (11) is fixedly connected with a support column (17), the top of the support column (17) is fixedly connected with a fixed plate one (18), the bottom of the laser range finder one (19) is fixedly connected with the top of the fixed plate one (18), and one side of the support plate one (6) is fixedly connected with a light shield plate one (20).

7. The high-speed traverse wire-cut electrical discharge machine molybdenum wire tension detection device according to claim 1, characterized in that: The bottom of the machine tool (1) is fixedly connected with a bottom plate (24), the top of the bottom plate (24) is fixedly connected with a fixed plate two (21) and a light barrier two (23), one side of the fixed plate two (21) is fixedly connected with the side of the laser range finder two (22), the emitting port of the laser range finder two (22) is opposite to the light barrier two (23), the fixed plate two (21) is opposite to the position of one of the guide wheels, and the light barrier two (23) is opposite to the position of the detection guide wheel.

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