A large taper mechanism with an offset detection structure

Abstract

The present invention relates to the technical field of wire cutting, and particularly relates to a large taper mechanism with an offset detection structure. It includes a machine tool, on which a first sliding frame is fixedly connected. A second sliding frame is slidably connected to the first sliding frame. A lead screw that is threadedly connected to the second sliding frame is rotatably connected to the first sliding frame. The second sliding frame is slidably connected to a base. A lead screw is rotatably connected to the second sliding frame. A column is fixedly connected to the side of the base away from the machine tool. A support frame is slidably connected to the column. A lead screw is rotatably connected to the column. By disassembling the first sliding frame and the second sliding frame from the support frame, the self-weight of the support frame is reduced, thereby reducing the acting force of the support frame on the column and the upper lead screw, preventing the unilateral pressure on the upper lead screw of the column from being too large due to excessive weight on the support frame, extending the service life of the upper lead screw of the column and improving the precision of the machined workpiece at the same time.

Description

Technical Field

[0001] The present invention relates to the technical field of wire cutting, and particularly to a large taper mechanism with an offset detection structure. Background Art

[0002] A wire cutting machine tool is a precision machining equipment that uses the principle of electric spark discharge to cut metal materials. It is mainly used for machining complex shapes and thin-walled parts with high-precision requirements. The parts (such as the moving mechanism) on the large taper mechanism of the existing wire cutting machine tools are all located on one side of the column, and a lead screw for driving the large taper mechanism to move is arranged in the column of the wire cutting machine tool. As a result, the force exerted by the large taper mechanism on the column lead screw is also overly skewed. During long-term use, the side of the column lead screw close to the large taper mechanism wears severely, resulting in an error in the accuracy of the transmission distance of the transmission lead screw. At the same time, when the large taper mechanism is adjusted in height, it will cause the center of gravity of the column to shift (that is, the higher the large taper mechanism, the greater the bending force on the column and its lead screw). In severe cases, the column will be bent and deformed, which will lead to unqualified cutting accuracy of the workpiece. Summary of the Invention

[0003] In order to overcome the defect that the parts on the large taper mechanism are concentrated on one side of the column, which easily leads to uneven force on the column and the lead screw, resulting in eccentric wear and affecting the machining accuracy, the present invention provides a split large taper mechanism with an offset detection structure.

[0004] The technical solution of the present invention is: a large taper mechanism with an offset detection structure, including a machine tool, a first sliding frame is fixedly connected to the machine tool, a second sliding frame is slidably connected to the first sliding frame, a lead screw that is rotationally connected to the first sliding frame and threadedly connected to the second sliding frame is provided, a base is slidably connected to the side of the second sliding frame away from the machine tool, a lead screw that is rotationally connected to the second sliding frame and threadedly connected to the base is provided, a column is fixedly connected to the side of the base away from the machine tool, a support frame is slidably connected to the column, a lead screw that is rotationally connected to the column and threadedly connected to the support frame is provided. The lead screws on the first sliding frame, the second sliding frame and the column are all externally connected to power. A fixed frame is fixedly connected to the machine tool, fixed tubes are fixedly connected to both the support frame and the fixed frame, a rotating rod is rotationally connected to the fixed tube, a fixed block is fixedly connected to one side of the rotating rod, a guide wheel wire frame is arranged on the side of the rotating rod away from the adjacent fixed block, the fixed block is rotationally connected to a cooperation block, the guide wheel wire frame on the rotating rod is rotationally matched with the adjacent cooperation block, a cooperation rod is fixedly connected to the cooperation block away from the support frame, the cooperation rod is slidably connected to the cooperation block close to the support frame, and an offset detection mechanism for monitoring the offset of the guide wheel wire frame is arranged on the fixed frame.

[0005] Preferably, a counterweight box is slidably connected to the side of the column away from the support frame. The counterweight box is fixedly connected to the support frame through a mounting frame, and counterweight blocks are fixedly connected to the counterweight box.

[0006] Preferably, the ratio of the total mass of the counterweight box and its components to the total mass of the support frame and its components is inversely proportional to the ratio of the lever arm lengths between the two and the lead screw on the column, and the lever arm directions between the two and the lead screw on the column are opposite.

[0007] Preferably, a water storage bag is arranged in the counterweight box. Extrusion plates distributed in a circumferential array are slidably connected in the counterweight box, and the extrusion plates distributed in the circumferential array are all in extrusion fit with the water storage bag.

[0008] Preferably, adjacent extrusion plates among the extrusion plates distributed in the circumferential array do not contact each other.

[0009] Preferably, the offset detection mechanism includes a fixed frame fixedly connected to the fixed bracket. A detection sleeve is fixedly connected in the fixed frame. The detection sleeve is in extrusion fit with the cooperation rod. Detection rods distributed in a circumferential array are slidably connected to the fixed frame, and the detection rods distributed in the circumferential array are all fixedly connected to the detection sleeve.

[0010] Preferably, a piston plate is fixedly connected to the side of the detection rod away from the detection sleeve. First fixed shells distributed in a circumferential array are fixedly connected to the fixed frame. The first fixed shells are slidably connected to the adjacent piston plates. A first fixing plate is connected to the counterweight box by bolts. The first fixing plate is fixedly connected with second fixed shells distributed in a circumferential array. The second fixed shells distributed in the circumferential array correspond to the first fixed shells distributed in the circumferential array one by one, and the corresponding second fixed shells and the first fixed shells are communicated through pipelines. A first piston rod is slidably connected to the second fixed shell. The first piston rod is fixedly connected to the adjacent extrusion plate.

[0011] Preferably, a pressure supplementing mechanism for adjusting the pressure of the coolant is further included. The pressure supplementing mechanism is arranged on the support frame. The pressure supplementing mechanism includes a booster pump fixedly connected to the support frame. A pipeline communicating with the external coolant supply system is arranged on the booster pump. The booster pump is communicated with the coolant system on the adjacent rotating rod guide wire frame through a pipeline. A second fixing plate is fixedly connected to the side of the fixed bracket away from the column. A transfer frame is fixedly connected to the second fixing plate. A sliding sleeve is slidably connected to the transfer frame. The sliding sleeve is electrically connected to the booster pump through the transfer frame.

[0012] Preferably, a third fixed housing is fixedly connected to the cooperation block close to the fixed frame through a mounting frame. A second piston rod is slidably connected to the third fixed housing. The second piston rod is fixedly connected to the cooperation block close to the support frame through a mounting plate. A fourth fixed housing is fixedly connected to the second fixing plate. The third fixed housing is communicated with the fourth fixed housing through a pipeline. A third piston rod is slidably connected to the fourth fixed housing.

[0013] Preferably, equidistantly distributed hydraulic telescopic rods are arranged between the third piston rod and the sliding sleeve. The third piston rod is fixedly connected to the fixed part of the adjacent hydraulic telescopic rod. The sliding sleeve is fixedly connected to the telescopic end of the adjacent hydraulic telescopic rod. And the fixed part and the telescopic end of the adjacent hydraulic telescopic rod are fixedly connected to each other. The equidistantly distributed hydraulic telescopic rods correspond to the circumferentially arrayed first fixed housings one by one. And a pipeline is used for communicating between the fixed part of the corresponding hydraulic telescopic rod and the first fixed housing.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: By disassembling the first sliding frame and the second sliding frame from the support frame, the self-weight of the support frame is reduced, thereby reducing the acting force of the support frame on the column and the upper lead screw, preventing the unilateral excessive pressure on the column upper lead screw due to the excessive weight on the support frame, prolonging the service life of the column upper lead screw and improving the machining accuracy of the workpiece. By detecting the deflection degree of the cooperation rod, the change of the center of gravity of the support frame is judged, and according to the change of the center of gravity of the support frame, the center of gravity of the counterweight box and its parts is adjusted equivalently in real time, so that the column upper lead screw is always in a force tight balance state, preventing the uneven wear of the column upper lead screw, thereby affecting the machining accuracy of the workpiece; By balancing the acting force direction between the support frame and the column upper lead screw through the counterweight box and its parts, and the acting forces of the support frame and the counterweight box on the lead screw on the column are equal in magnitude and opposite in direction, thereby preventing the situation of uneven wear on one side of the lead screw on the column; By cooperating the sliding sleeve with the transfer frame to synchronously adjust the flow state of the coolant according to the state between the guide wheel wire frames, preventing the coolant flow rate from being too slow and thus separating from the cutting wire, affecting the machining accuracy of the workpiece surface during cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a three-dimensional structural diagram of the present invention;

[0016] Figure 2 is a three-dimensional structural diagram of the cooperation relationship between the second sliding frame and the base of the present invention;

[0017] Figure 3 is a three-dimensional structural sectional view of the cooperation relationship between the fixed pipe and the rotating rod of the present invention;

[0018] Figure 4 is a three-dimensional structural sectional view of the cooperation relationship between the counterweight box and the counterweight block of the present invention;

[0019] Figure 5 Schematic three-dimensional structure diagram of the offset detection mechanism of the present invention;

[0020] Figure 6 Schematic cross-sectional view of the three-dimensional structure of the cooperation relationship between the detection sleeve and the detection rod of the present invention;

[0021] Figure 7 Schematic three-dimensional structure diagram of the cooperation relationship between the water storage bag and the extrusion plate of the present invention;

[0022] Figure 8 Schematic three-dimensional structure diagram of the position relationship between the support frame and the booster pump of the present invention;

[0023] Figure 9 Schematic cross-sectional view of the three-dimensional structure of the pressure replenishing mechanism of the present invention;

[0024] Figure 10 Schematic three-dimensional structure diagram of the cooperation relationship between the transfer frame and the sliding sleeve of the present invention.

[0025] In the reference numerals: 1 - machine tool, 2 - first sliding frame, 3 - second sliding frame, 4 - base, 5 - column, 6 - support frame, 7 - fixing frame, 8 - fixing pipe, 9 - rotating rod, 10 - fixing block, 11 - cooperation block, 12 - cooperation rod, 13 - counterweight box, 14 - counterweight block, 15 - water storage bag, 16 - extrusion plate, 17 - offset detection mechanism, 1701 - fixing frame, 1702 - detection sleeve, 1703 - detection rod, 1704 - piston plate, 1705 - first fixing shell, 1706 - first fixing plate, 1707 - second fixing shell, 1708 - first piston rod, 18 - pressure replenishing mechanism, 1801 - booster pump, 1802 - second fixing plate, 1803 - transfer frame, 1804 - sliding sleeve, 1805 - third fixing shell, 1806 - second piston rod, 1807 - fourth fixing shell, 1808 - third piston rod, 1809 - hydraulic telescopic rod. Detailed implementation manners

[0026] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0027] In the existing large taper mechanism on a wire cutting machine tool, the parts (such as the moving mechanism) on the large taper mechanism are all located on one side of the column. As a result, the force exerted by the large taper mechanism on the column screw also shows excessive deflection. During long-term use, the side of the column screw close to the large taper mechanism wears severely, resulting in errors in the accuracy of the transmission distance of the transmission screw. At the same time, when the large taper mechanism is adjusted in height, it will cause the center of gravity of the column to shift during elevation (that is, the higher the large taper mechanism, the greater the bending force on the column and its screw). In severe cases, the column will be bent and deformed, which will lead to the failure to meet the accuracy requirements for workpiece cutting.

[0028] Embodiment 1: A large taper mechanism with an offset detection structure, such as Figures 1-4As shown in the figure, it includes a machine tool 1. A first sliding frame 2 is fixedly connected to the upper side of the machine tool 1. A second sliding frame 3 is slidably connected to the upper side of the first sliding frame 2. A lead screw rotatably connected to the first sliding frame 2 and threadedly connected to the second sliding frame 3 is provided to control the left - right movement of the second sliding frame 3. A base 4 is slidably connected to the upper side of the second sliding frame 3. A lead screw rotatably connected to the second sliding frame 3 and threadedly connected to the base 4 is provided to control the front - back movement of the base 4. A column 5 is fixedly connected to the upper side of the base 4. A support frame 6 is slidably connected to the front side of the column 5. A lead screw rotatably connected to the column 5 and threadedly connected to the support frame 6 is provided to control the up - down movement of the support frame 6. The above three lead screws are respectively used for the movement of the X - axis, Y - axis and Z - axis, and the above three lead screws are all externally connected to power. A fixing frame 7 is fixedly connected to the upper side of the machine tool 1. Fixing tubes 8 are fixedly connected to the front sides of the support frame 6 and the fixing frame 7. A rotating rod 9 is rotatably connected to the inner side of the fixing tube 8. Fixing blocks 10 are fixedly connected to the left sides of the two rotating rods 9. The rotating rod 9 is provided with a guide - wheel wire frame, which is a prior art and is used to control the inclination of the cutting wire, so no more details will be given here. The fixing block 10 is rotatably connected to a cooperative block 11. The guide - wheel wire frame on the rotating rod 9 is rotationally matched with the adjacent cooperative block 11. The rotating rod 9, the adjacent guide - wheel wire frame and the adjacent cooperative block 11 together form a parallelogram, and the inclination angle of the cooperative rod 12 is the same as the inclination angle of the cutting wire. The lower cooperative block 11 is fixedly connected to a cooperative rod 12, and the cooperative rod 12 is slidably connected to the upper cooperative block 11. A counterweight box 13 fixedly connected to the support frame 6 through a mounting frame is slidably connected to the rear side of the column 5. A counterweight block 14 is fixedly connected to the lower side of the counterweight box 13. The ratio of the total mass of the counterweight box 13 and its upper parts to the total mass of the support frame 6 and its upper parts is inversely proportional to the ratio of the lever - arm lengths between them and the lead screw on the column 5, and the lever - arm directions between them and the lead screw on the column 5 are opposite, which is used to ensure the force balance of the column 5 and its upper lead screw. A water storage bag 15 is arranged in the counterweight box 13. The water storage bag 15 is an elastic bag and stores a certain amount of water, which is used to flexibly adjust the center of gravity of the counterweight box 13. A circumferentially - arrayed extrusion plate 16 is slidably connected to the inner side of the counterweight box 13, and adjacent extrusion plates 16 do not contact each other to prevent damage to the water storage bag 15. The circumferentially - arrayed extrusion plates 16 are all in extrusion cooperation with the water storage bag 15. An offset detection mechanism 17 for monitoring the offset condition of the guide - wheel wire frame is arranged on the fixing frame 7.

[0029] As Figure 2 and Figures 5-7As shown in the figure, the offset detection mechanism 17 includes a fixed frame 1701, which is composed of two L-shaped rods and a circular ring distributed in a mirror image. The fixed frame 1701 is fixedly connected to the upper side of the fixed bracket 7. The inner side of the circular ring part of the fixed frame 1701 is fixedly connected with a detection sleeve 1702. The detection sleeve 1702 is made of elastic material and is in extrusion fit with the cooperation rod 12 for real-time monitoring of the deflection of the cooperation rod 12. Four detection rods 1703 are circumferentially and arrayedly slidably connected to the circular ring part of the fixed frame 1701, and the connection lines of each pair of two detection rods 1703 coincide with the X-axis direction or the Y-axis direction in which the column 5 moves. The four detection rods 1703 are fixedly connected to the detection sleeve 1702. A piston plate 1704 is fixedly connected to the side of the detection rod 1703 away from the detection sleeve 1702. Four first fixed shells 1705 are fixedly connected to the fixed frame 1701 in a circumferential array. The first fixed shells 1705 are filled with hydraulic oil and are in sealed sliding connection with the adjacent piston plates 1704. The upper side of the counterweight box 13 is bolted with a first fixing plate 1706. The first fixing plate 1706 is fixedly connected with four second fixed shells 1707 in a circumferential array. The second fixed shells 1707 are filled with hydraulic oil, and the connection lines of each pair of two second fixed shells 1707 coincide with the X-axis direction or the Y-axis direction in which the column 5 moves. The front second fixed shell 1707 is communicated with the rear first fixed shell 1705 through a pipeline, the rear second fixed shell 1707 is communicated with the front first fixed shell 1705 through a pipeline, the left second fixed shell 1707 is communicated with the right first fixed shell 1705 through a pipeline, and the right second fixed shell 1707 is communicated with the left first fixed shell 1705 through a pipeline. All the above pipelines are elastic and telescopic pipelines. The second fixed shell 1707 is in sealed sliding connection with a first piston rod 1708 fixedly connected to the adjacent extrusion plate 16.

[0030] When the device is required to perform wire cutting on a workpiece, the user first adjusts the distance between the two guide wheel wire frames according to the thickness of the workpiece. The specific operation is as follows: The user controls the rotation of the lead screw on the column 5 through an external power source. The lead screw on the column 5 drives the support frame 6, the counterweight box 13 and the parts thereon to move upward in a threaded manner until they reach a suitable position. The user controls the lead screw on the column 5 to stop rotating. At this time, the position adjustment of the guide wheel wire frame is completed. During the above movement, the counterweight box 13 and the parts thereon balance the acting force direction between the support frame 6 and the lead screw on the column 5, and the acting forces of the support frame 6 and the counterweight box 13 on the lead screw on the column 5 are equal in magnitude and opposite in direction, so as to prevent the lead screw on the column 5 from being worn on one side.

[0031] After the position adjustment of the guide wheel wire frame is completed, the user controls the second sliding frame 3 and the base 4 to drive the column 5, the support frame 6 and the parts thereon to move according to the required processing shape of the workpiece, so that the cutting wire between the two guide wheel wire frames is deflected to meet the processing requirements. Taking the cutting wire deflecting from bottom to top and to the right as an example, the user drives the lead screw on the first sliding frame 2 to rotate through an external power source. The lead screw on the first sliding frame 2 drives the second sliding frame 3, the base 4, the column 5 and the support frame 6 to move to the right through the thread. The support frame 6 drives the fixed tube 8 and the rotating rod 9 to move to the right together. The rotating rod 9 drives the upper guide wheel wire frame to move to the right. The upper guide wheel wire frame swings to the left relative to the adjacent fixed tube 8 under the drive of the upper cooperation block 11 (the swinging direction of the lower guide wheel wire frame is opposite), so that the cutting wire between the two guide wheel wire frames is deflected, and then the workpiece is cut. By disassembling the first sliding frame 2 and the second sliding frame 3 from the support frame 6, the self-weight of the support frame 6 is reduced, so that the acting force of the support frame 6 on the column 5 and the upper lead screw is reduced, preventing the unilateral pressure on the upper lead screw of the column 5 from being too large due to the excessive weight on the support frame 6, extending the service life of the upper lead screw of the column 5 and improving the precision of the processed workpiece at the same time.

[0032] When adjusting the swinging position of the upper guide wheel wire frame as described above, the upper rotating rod 9 drives the upper cooperation block 11 to move synchronously to the right through the upper fixed block 10, so that the cooperation rod 12 is deflected synchronously, and the deflection degree of the cooperation rod 12 is the same as that of the cutting wire. When the upper guide wheel wire frame swings and deflects, it will cause the average center of gravity of the support frame 6 and the parts thereon to shift synchronously, and then change the magnitude and direction of the acting force of the support frame 6 on the upper lead screw of the column 5. In the long run, it will also cause uneven wear of the upper lead screw of the column 5, thus affecting the moving precision of the upper lead screw of the column 5 and the processing precision of the workpiece by this device. To solve the above problems, the following operations are required:

[0033] During the machining of the workpiece, when the cooperation rod 12 is deflected (taking the cooperation rod 12 deflecting to the right from bottom to top as an example), the cooperation rod 12 squeezes and drives the right side of the detection sleeve 1702 to move synchronously to the right. The detection sleeve 1702 drives the right detection rod 1703 to move to the right, and the right detection rod 1703 drives the right piston plate 1704 to move to the right. At the same time, the hydraulic oil in the right first fixed housing 1705 moves to the left second fixed housing 1707 through the pipeline. The hydraulic oil in the left second fixed housing 1707 squeezes and drives the left first piston rod 1708 to move downward, and the left first piston rod 1708 drives the left pressing plate 16 to move downward, thereby squeezing the water in the water storage bag 15 on the lower side of the left pressing plate 16 to the right side of the water storage bag 15, so as to synchronously adjust the center of gravity of the counterweight box 13. During the above process, the movement of the left detection rod 1703 is opposite to that of the right detection rod 1703, thereby driving the right pressing plate 16 to move upward, synchronously assisting the water in the water storage bag 15 to move to the right, so as to adjust the position of the center of gravity of the counterweight box 13, so that the magnitude and direction of the force exerted by the counterweight box 13 and the parts thereon on the lead screw of the column 5 are synchronously adjusted with the magnitude and direction of the force exerted by the support frame 6 and the parts thereon on the lead screw of the column 5, so as to offset the fluctuation of the force between the support frame 6 and the lead screw of the column 5 in real time. By detecting the deflection degree of the cooperation rod 12, the change of the center of gravity of the support frame 6 is judged, and the center of gravity of the counterweight box 13 and the parts thereon is adjusted equally in real time according to the change of the center of gravity of the support frame 6, so that the lead screw on the column 5 is always in a tightly balanced state of force, preventing the uneven wear of the lead screw on the column 5, thereby affecting the machining accuracy of the workpiece.

[0034] When the device is used up, the user controls the column 5 to drive the support frame 6 and the parts thereon to move to the left and reset. The cooperation rod 12 drives the detection sleeve 1702 to reset. The detection sleeve 1702 drives the piston plates 1704 on the left and right sides to reset at the same time. The oil circuit backflow drives the four pressing plates 16 to reset, thereby restoring the center of gravity of the water storage bag 15.

[0035] During the process of cutting and machining the workpiece, the user needs to use the coolant to wash down the cut metal chips and cool the cutting surface of the workpiece at the same time. During this process, the coolant always wraps around the cutting line. When performing conical surface machining, since the cutting line cuts in an inclined state, if the flow rate of the coolant is too slow, under the influence of gravity, the flow path of the coolant will deflect from the cutting line, causing the coolant to lose the wrapping of the cutting line, thereby affecting the cooling effect of the coolant on the cutting surface of the workpiece and reducing the machining accuracy of the workpiece surface.

[0036] Embodiment 2: On the basis of Embodiment 1, as Figure 1 、 Figure 5 and Figures 8-10As shown in the figure, it further includes a pressure compensation mechanism 18 for adjusting the pressure of the coolant. The pressure compensation mechanism 18 is arranged on the support frame 6. The pressure compensation mechanism 18 includes a booster pump 1801. The booster pump 1801 is a prior art and is used to boost the pressure and speed up the coolant, so no more details will be described here. The booster pump 1801 is fixedly connected to the rear side of the support frame 6. A pipe communicating with the external coolant supply system is arranged on the upper side of the booster pump 1801. The booster pump 1801 is communicated with the coolant system on the guide pulley wire frame of the upper rotating rod 9 through the pipe. A second fixed plate 1802 is fixedly connected to the front side of the fixed frame 7. A transfer frame 1803 is fixedly connected to the upper side of the second fixed plate 1802. A sliding sleeve 1804 is slidably connected to the transfer frame 1803. The sliding sleeve 1804 is electrically connected to the booster pump 1801 through the transfer frame 1803. When the sliding sleeve 1804 is located at the rightmost side of the transfer frame 1803, the output power of the booster pump 1801 is the largest. On the contrary, when the sliding sleeve 1804 is located at the leftmost side of the transfer frame 1803, the output power of the booster pump 1801 is the smallest. A third fixed shell 1805 is fixedly connected to the front side of the lower cooperation block 11 through a mounting frame. The third fixed shell 1805 is filled with hydraulic oil. A second piston rod 1806 is hermetically slidably connected to the third fixed shell 1805. The second piston rod 1806 is fixedly connected to the upper cooperation block 11 through a mounting plate. A fourth fixed shell 1807 is fixedly connected to the upper side of the second fixed plate 1802. The fourth fixed shell 1807 is filled with hydraulic oil. The third fixed shell 1805 is communicated with the fourth fixed shell 1807 through a pipe. The pipe between the two is an elastic and telescopic pipe. A third piston rod 1808 is hermetically slidably connected to the fourth fixed shell 1807. Four hydraulic telescopic rods 1809 are arranged at equal intervals between the right side of the third piston rod 1808 and the left side of the sliding sleeve 1804. The third piston rod 1808 is fixedly connected to the fixed part of the leftmost hydraulic telescopic rod 1809. The sliding sleeve 1804 is fixedly connected to the telescopic end of the rightmost hydraulic telescopic rod 1809. And the fixed parts and telescopic ends of adjacent hydraulic telescopic rods 1809 are fixedly connected to each other. The four hydraulic telescopic rods 1809 correspond to the first fixed shells 1705 distributed in a circumferential array one by one. And the fixed parts of the corresponding hydraulic telescopic rods 1809 are communicated with the first fixed shells 1705 through pipes, and the pipes are all elastic and telescopic pipes.

[0037] When adjusting the distance between the two guide pulley wire frames, the upper cooperation block 11 drives the second piston rod 1806 to move upward through the mounting plate. The hydraulic oil in the third fixed shell 1805 flows into the fourth fixed shell 1807 through the pipe under the extrusion of the second piston rod 1806. The hydraulic oil in the fourth fixed shell 1807 extrudes and drives the third piston rod 1808 and the four hydraulic telescopic rods 1809 to move to the right together. The third piston rod 1808 and the four hydraulic telescopic rods 1809 drive the sliding sleeve 1804 to move to the right. The sliding sleeve 1804 increases the power of the booster pump 1801 through the transfer frame 1803, thereby increasing the flow rate of the coolant until the distance between the two guide pulley wire frames is adjusted.

[0038] When cutting a workpiece, the user starts the booster pump 1801. The booster pump 1801 conveys the coolant in the cooling system through a pipeline into the cooling pipe of the upper guide wheel wire rack. The coolant flows downward through the upper guide wheel wire rack, and the flow path of the coolant wraps the cutting wire. If conical surface machining is required, taking the cutting wire skewing from bottom to top and to the right as an example, the cooperation rod 12 squeezes and drives the right detection rod 1703 and the piston plate 1704 to move to the right. Part of the hydraulic oil in the first fixed housing 1705 flows through the pipeline into the fixed part of the rightmost hydraulic telescopic rod 1809, thereby driving the telescopic end of the rightmost hydraulic telescopic rod 1809 to extend. The telescopic end of the rightmost hydraulic telescopic rod 1809 drives the sliding sleeve 1804 to move to the right. The sliding sleeve 1804 controls the booster pump 1801 to increase its power again through the transfer frame 1803, thereby increasing the flow rate of the coolant. The sliding sleeve 1804 and the transfer frame 1803 cooperate to synchronously adjust the flow state of the coolant according to the state between the guide wheel wire racks, preventing the coolant flow rate from being too slow and thus detaching from the cutting wire, which affects the machining accuracy of the workpiece surface during cutting.

[0039] When the device is no longer in use, the user controls the column 5 to drive the support frame 6 and the parts thereon to move to the left and reset. The cooperation rod 12 drives the detection sleeve 1702 to reset. The detection sleeve 1702 drives the piston plates 1704 on both the left and right sides to reset simultaneously. The oil circuit returns to drive the telescopic ends of the adjacent hydraulic telescopic rods 1809 to reset. At the same time, the user controls the screw rod of the column 5 to drive the support frame 6 and the parts thereon to move downward and reset. The upper cooperation block 11 drives the second piston rod 1806 to reset. The oil circuit returns to drive the sliding sleeve 1804 to reset. At this time, the use of the device is completed.

[0040] The above has introduced this application in detail. Specific examples are used in this article to elaborate on the principle and implementation manner of this application. The description of the above embodiments is only used to help understand the method and its core idea of this application; at the same time, for those of ordinary skill in the art, based on the idea of this application, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation to this application.

Claims

1. A large taper mechanism with an offset detection structure, characterized in that: It includes a machine tool (1), on which a first sliding frame (2) is fixedly connected. A second sliding frame (3) is slidably connected to the first sliding frame (2). A lead screw that is in threaded connection with the second sliding frame (3) is rotatably connected to the first sliding frame (2). A base (4) is slidably connected to a side of the second sliding frame (3) away from the machine tool (1). A lead screw that is in threaded connection with the base (4) is rotatably connected to the second sliding frame (3). A column (5) is fixedly connected to a side of the base (4) away from the machine tool (1). A support frame (6) is slidably connected to the column (5). A lead screw that is in threaded connection with the support frame (6) is rotatably connected to the column (5). The lead screws on the first sliding frame (2), the second sliding frame (3) and the column (5) are all externally connected to power. A fixed frame (7) is fixedly connected to the machine tool (1). Fixed tubes (8) are fixedly connected to both the support frame (6) and the fixed frame (7). A rotating rod (9) is rotatably connected inside the fixed tube (8). A fixed block (10) is fixedly connected to one side of the rotating rod (9). A wire guide frame is arranged on a side of the rotating rod (9) away from the adjacent fixed block (10). A cooperative block (11) is rotatably connected to the fixed block (10). The wire guide frame on the rotating rod (9) is rotationally matched with the adjacent cooperative block (11). A cooperative rod (12) is fixedly connected to the cooperative block (11) away from the support frame (6). The cooperative rod (12) is slidably connected to the cooperative block (11) close to the support frame (6). An offset detection mechanism (17) for monitoring the offset condition of the wire guide frame is arranged on the fixed frame (7); A counterweight box (13) is slidably connected to a side of the column (5) away from the support frame (6). The counterweight box (13) is fixedly connected to the support frame (6) through a mounting frame. A counterweight block (14) is fixedly connected to the counterweight box (13).

2. The large taper mechanism with an offset detection structure according to claim 1, characterized in that: The ratio of the total mass of the counterweight box (13) and its parts to the total mass of the support frame (6) and its parts is inversely proportional to the ratio of the lever arm lengths between the two and the lead screw on the column (5), and the lever arm directions between the two and the lead screw on the column (5) are opposite.

3. The large taper mechanism with an offset detection structure according to claim 1, characterized in that: A water storage bag (15) is arranged inside the counterweight box (13). Pressing plates (16) distributed in a circumferential array are slidably connected inside the counterweight box (13). The pressing plates (16) distributed in a circumferential array are all in pressing cooperation with the water storage bag (15).

4. The large taper mechanism with an offset detection structure according to claim 3, characterized in that: Among the pressing plates (16) distributed in a circumferential array, adjacent pressing plates (16) do not contact each other.

5. The large taper mechanism with an offset detection structure according to claim 3, characterized in that: The offset detection mechanism (17) includes a fixed frame (1701), which is fixedly connected to the fixed frame (7). A detection sleeve (1702) is fixedly connected inside the fixed frame (1701). The detection sleeve (1702) is in pressing cooperation with the cooperative rod (12). Detection rods (1703) distributed in a circumferential array are slidably connected to the fixed frame (1701). The detection rods (1703) distributed in a circumferential array are all fixedly connected to the detection sleeve (1702).

6. The large taper mechanism with an offset detection structure according to claim 5, characterized in that: On one side of the detection rod (1703) away from the detection sleeve (1702), a piston plate (1704) is fixedly connected. On the fixed frame (1701), first fixed shells (1705) distributed in a circumferential array are fixedly connected. The first fixed shells (1705) are slidably connected to the adjacent piston plates (1704). On the counterweight box (13), a first fixing plate (1706) is connected by bolts. The first fixing plate (1706) is fixedly connected with second fixed shells (1707) distributed in a circumferential array. The second fixed shells (1707) distributed in a circumferential array correspond to the first fixed shells (1705) distributed in a circumferential array one by one. The corresponding second fixed shells (1707) and the first fixed shells (1705) are communicated through pipes. A first piston rod (1708) is slidably connected to the second fixed shell (1707). The first piston rod (1708) is fixedly connected to the adjacent extrusion plate (16).

7. The large taper mechanism with an offset detection structure according to claim 6, characterized in that: It further includes a pressure supplement mechanism (18) for adjusting the pressure of the coolant. The pressure supplement mechanism (18) is arranged on the support frame (6). The pressure supplement mechanism (18) includes a booster pump (1801). The booster pump (1801) is fixedly connected to the support frame (6). A pipe communicating with the external coolant supply system is arranged on the booster pump (1801). The booster pump (1801) is communicated with the coolant system on the guide pulley wire frame of the adjacent rotating rod (9) through a pipe. On one side of the fixed frame (7) away from the column (5), a second fixing plate (1802) is fixedly connected. A transfer frame (1803) is fixedly connected to the second fixing plate (1802). A sliding sleeve (1804) is slidably connected to the transfer frame (1803). The sliding sleeve (1804) is electrically connected to the booster pump (1801) through the transfer frame (1803).

8. A large taper mechanism with an offset detection structure according to claim 7, characterized in that: The cooperative block (11) close to the fixed frame (7) is fixedly connected with a third fixed shell (1805) through a mounting frame. A second piston rod (1806) is slidably connected to the third fixed shell (1805). The second piston rod (1806) is fixedly connected to the cooperative block (11) close to the support frame (6) through a mounting plate. A fourth fixed shell (1807) is fixedly connected to the second fixing plate (1802). The third fixed shell (1805) is communicated with the fourth fixed shell (1807) through a pipe. A third piston rod (1808) is slidably connected to the fourth fixed shell (1807).

9. A large taper mechanism with an offset detection structure according to claim 8, characterized in that: There are hydraulic telescopic rods (1809) with equidistant distribution arranged between the third piston rod (1808) and the sliding sleeve (1804). The third piston rod (1808) is fixedly connected to the fixed part of the adjacent hydraulic telescopic rod (1809). The sliding sleeve (1804) is fixedly connected to the telescopic end of the adjacent hydraulic telescopic rod (1809), and the fixed part and the telescopic end of the adjacent hydraulic telescopic rods (1809) are fixedly connected to each other. The equidistantly distributed hydraulic telescopic rods (1809) correspond one by one to the first fixed shells (1705) distributed in a circumferential array, and the fixed part of the corresponding hydraulic telescopic rod (1809) and the first fixed shell (1705) are communicated through a pipeline.

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