CN116674110A - Loop wire squarer - Google Patents

Abstract

The application relates to a loop squarer, and belongs to the technical field of mechanical cutting. The squaring machine comprises a feeding and discharging mechanism, a rotary centering workbench mechanism, a cutter head cutting mechanism, a traveling system and a control system; the feeding and discharging mechanism is arranged at one side of the linear guide rail of the traveling system and is used for feeding and discharging workpieces; the rotary centering workbench mechanism is movably connected to the linear guide rail, and is used for gradually contracting the centering guide wheel to radially center the workpiece to be cut while the workbench rotating part drives the workpiece to be cut to rotate, and horizontally rotating the workpiece to be cut to adjust the cutting position; the traveling system drives the rotary centering workbench mechanism to move between the feeding and discharging positions and the cutting area along the linear guide rail; in the cutting area, two tool bit cutting mechanisms are symmetrically arranged on two sides of the linear guide rail and are used for symmetrically cutting a workpiece to be cut. The application greatly improves the processing precision and the processing efficiency of the squaring cutting, and is suitable for the squaring working procedures of silicon rods with various sizes on the market.

Description

A ring square machine

technical field

The invention relates to the technical field of mechanical squaring, in particular to a squaring processing equipment for processing and cutting cylindrical hard and brittle materials with a circular wire at an ultra-high speed, and in particular to a circular wire square cutting machine.

Background technique

At present, the main method of squaring silicon rods on the market is to use a wire saw for reciprocating cutting with a single diamond wire. The processing accuracy of the existing wire saw processing is high, up to micron level; but the processing efficiency is low, only a few tenths of millimeters per minute to 23 mm per minute, the main reason is that the current wire saw processing speed is very slow, generally at 30 m/s Below, the size of the processed silicon rod is single. In addition, the chips often cover the cutting edge of the wire saw due to untimely chip removal, resulting in a decrease in the cutting efficiency of the wire saw and affecting the surface processing accuracy, which greatly limits the processing efficiency. In addition, the current wire saw It is mainly single-wire cutting, which further limits the processing efficiency. At present, the machine sea tactics of moving dozens or even hundreds or thousands of machines are basically used to improve production efficiency. The utilization rate of plant space is low and equipment maintenance is difficult.

Contents of the invention

Aiming at the deficiencies in the above-mentioned prior art, the present invention provides a ring squarer, which is a kind of machine with a machining accuracy of more than micron level, solves the problem of chip removal, and is applicable to various sizes of silicon rods on the market. Squaring process, processing efficiency as high as 5 mm to 20 mm per minute, small footprint, and equipment that can complete the squaring process of multiple silicon rods at one time.

To achieve the above object, the present invention provides the following technical solutions:

A circular line square cutting machine, the square cutting machine includes a loading and unloading mechanism, a rotary centering table mechanism, a cutter head cutting mechanism, a walking system and a control system; the blanking mechanism, the rotary centering table mechanism, The cutter head cutting mechanism and the walking system are respectively connected with the control system;

The loading and unloading mechanism is arranged on one side of the linear guide rail of the walking system, and is used for loading and unloading of workpieces;

The rotary centering table mechanism is movably connected to the linear guide rail, and the rotary centering table mechanism includes a table rotating part and centering guide wheels, which are used to drive the workpiece to be cut to rotate on the table rotating part At the same time, gradually shrink the centering guide wheel to radially center the workpiece to be cut, and rotate the workpiece to be cut horizontally to adjust the radial centering of the cutting position, and rotate the workpiece to be cut horizontally to adjust the cutting position ; The walking system drives the rotary centering table mechanism to move along the linear guide rail between the loading and unloading position and the cutting area;

In the cutting area, two cutter head cutting mechanisms are arranged symmetrically on both sides of the linear guide rail for symmetrically cutting the workpiece to be cut.

Further, the loading and unloading mechanism includes a loading and unloading base, a feeding and conveying platform, and an overturning and conveying platform; the loading and conveying platform is installed on the loading and unloading base, and is used for loading workpieces to be cut and cut workpieces 1. Unloading; the bottom of the reversing conveying platform close to the outer end of the linear guide rail is movably connected with the loading and unloading base, and the reversing conveying platform can be turned upwards by 90°.

Further, the loading and unloading mechanism also includes an oil cylinder jacking part; the outer end of the bottom of the overturning conveying platform close to the linear guide rail is hingedly connected to the translation slide plate of the oil cylinder jacking part; the translation slide plate is connected to the upper and lower The material base is slidingly connected, and the oil cylinder in the jacking part of the oil cylinder is hingedly connected with the bottom surface of the turning conveying platform through a piston rod, and the oil cylinder pushes the turning conveying platform to turn upwards by 90°.

Further, the loading and unloading mechanism also includes a gear advance and retreat part, and the gear advance and retreat part includes a linear slide rail, a rack and an advance and retreat motor; the jacking part of the oil cylinder is slidably connected to the linear slide rail through the translation slide plate The rack and the linear slide rail are respectively installed on the loading and unloading base; the advance and retreat motor is installed under the translation slide plate and meshed with the rack, and the advance and retreat motor is driven by meshing transmission The jacking part of the oil cylinder slides along the linear slide rail.

Further, the turning conveying platform is provided with a fork arm near the end of the linear guide rail, and the forking arm is a U-shaped flat plate, perpendicular to the surface of the turning conveying platform, and its opening faces the top of the turning conveying platform .

Further, the rotary centering workbench mechanism also includes a cylinder lifting and centering part; the workbench rotating part is movably connected to the linear guide rail, and is used to drive the workpiece to rotate horizontally, adjust the cutting position, and cooperate with the The lifting and centering part of the air cylinder radially centers the workpiece to be cut; The centering guide wheel progressively shrinks to radially center the workpiece to be cut.

Further, the rotating part of the workbench includes a workbench, a workbench base and a rotation device; the rotation device is installed under the workbench base, and the rotation shaft of the rotation device passes through the workbench base and is connected to the workbench , the rotating device drives the workbench to rotate, and the workbench is used to carry the workpiece; the workbench is movably connected to the linear guide rail, and the walking system drives the workbench to move along the linear guide rail move.

Further, the lifting and centering part of the cylinder also includes a centering seat, a centering clamping cylinder, a lifting cylinder, a guide wheel plate, a centering seat slide plate and a linear slide rail; the centering seat is located between the workbench and the Between the workbenches, the two centering clamping cylinders and the two linear slide rails are symmetrically arranged on both sides of the upper surface of the centering seat, and two sliders are symmetrically arranged on the linear slide rails , the two ends of the centering seat slide plate are respectively installed on the sliders on the same side of the two linear slide rails; the movable clips on both sides of the centering clamping cylinder are connected with the two centering seats The same sides of the slide plates are respectively connected, and the centering clamping cylinder drives the two centering seat slides to move in reverse; the centering seat slides above the slider pass through the guide wheel plate and the The guide wheels are connected; the two lifting cylinders are symmetrically arranged on both sides of the centering seat and installed on the workbench, and are used to drive the centering seat up and down.

Further, the cutter head cutting mechanism includes a sliding seat, a cutter head translation device, a cutter head feeding device, a cutting roller, a winding roller, a ring wire and a cutter head seat;

One or two of the cutting rollers and one or more of the winding rollers are respectively installed on the cutter head seat, and the annular wire is wound on the cutting rollers and the winding rollers to form Closed-loop loops form a cutting gear train;

The cutter head seat is movably connected with the sliding seat through the cutter head feeding device, and the cutter head feeding device is used to drive the cutter head seat and the cutting wheel train to lift, feed and withdraw the cutter;

The sliding seat is slidingly connected with the cutter head translation device, and the cutter head translation device drives the sliding seat to translate and slide.

Further, the square cutting machine also includes a pressing mechanism and an edge material clamping mechanism; the material pressing mechanism and the edge material clamping mechanism are respectively connected to the control system; the material pressing mechanism is arranged on the linear guide rail The end portion is used to press the workpiece to be cut; the two clamping mechanisms are symmetrically arranged on both sides of the linear guide rail, and are located between the cutter head cutting mechanism and the linear guide rail, and are used to remove Cutting scraps.

Beneficial effects of the present invention:

The CNC precision high-speed loop square cutting machine of the present invention has a machining accuracy as high as above the micron level, solves the problem of chip removal, is applicable to the square square process of silicon rods of various sizes on the market, and has a processing efficiency as high as 5 mm to 20 mm per square meter. It takes more than 10 minutes, occupies a small space, and can complete the square root processing of multiple silicon rods at one time.

The present invention utilizes the closed-loop loop line formed by the loop line to realize the continuous processing of the workpiece by a single loop line without commutation, and reduces the mechanical vibration of the loop line through the tensioning device, so that the entire processing process of the workpiece is in the same specification of the loop line Cutting at the bottom avoids the phenomenon that the upper and lower tolerances of the workpiece are different. In addition, the annular lines of each cutting wheel system do not interfere with each other, so that the size of each workpiece to be processed is consistent, and the high consistency of the size and tolerance of each workpiece is achieved. Realize high-precision cutting, the precision reaches the micron level, and realize the processing technology of sawing instead of grinding.

The present invention adopts a high-speed design with a linear speed of more than 50 meters per second, or even a linear speed of more than 100 meters per second, and utilizes the infinite loop property of the circular wire, so that each circular wire can perform high-speed and high-speed processing on the workpiece without reversing. Precise continuous cutting, that is, no round-trip acceleration, deceleration, pause, reversing, and re-acceleration cycle process, greatly improves the effective time for participating in cutting, and then realizes high-efficiency cutting. The processing efficiency is more than twice that of the existing processing technology.

The invention controls the actions of the loading and unloading mechanism, the rotary centering table mechanism, the cutter head cutting mechanism, the pressing mechanism, the edge material clamping mechanism and the walking system through the control system, without manual intervention after loading and before unloading. The whole process is automated to realize the square cutting processing of workpieces. For example, with automatic loading and unloading equipment and waste collection equipment, unmanned intelligent manufacturing of the entire process can be realized.

The invention changes the posture of the workpiece by turning over the conveying platform, which is convenient for processing, and can ensure the stability of the turning process of the workpiece through the arrangement of the yoke, the feeding conveying platform and the setting of rollers and unpowered rollers on the turning conveying platform.

The invention conducts radial centering on the workpiece through the rotary centering worktable mechanism, which can avoid the circumferential error of the workpiece and greatly improve the cutting accuracy; the rotation of the workpiece can be driven by the rotating part of the worktable to realize multi-faceted square cutting, which can be realized conveniently Square root processing of polygonal cylinder structures.

Description of drawings

Fig. 1 is the three-dimensional schematic diagram of the complete machine structure of the loop line square cutting machine of the present invention, wherein a single station square cutting machine hides the shell, which is convenient for drawing;

Fig. 2 is the top view schematic diagram of the ring line square cutting machine of the present invention;

Fig. 3 is the front schematic diagram of loading and unloading mechanism in the present invention;

Fig. 4 is a three-dimensional schematic diagram of the loading and unloading mechanism in the present invention, in which the state in the figure is being turned over to feed;

Fig. 5 is a three-dimensional schematic view of the rotary centering workbench mechanism in the present invention;

Fig. 6 is a front perspective view of the cutter head cutting mechanism in the present invention, wherein the sliding seat is indicated by a transparent dotted line, which is convenient for drawing;

Fig. 7 is a three-dimensional schematic view of the back of the cutter head cutting mechanism in the present invention;

Fig. 8 is a three-dimensional schematic diagram of a pressing mechanism in the present invention;

Fig. 9 is a three-dimensional schematic diagram of the trimming mechanism in the present invention.

Among them: 1-frame, 2-loading and unloading mechanism, 2.1-loading and unloading base, 2.2-loading and conveying platform, 2.3-turning and conveying platform, 2.4-cylinder jacking part, 2.5-gear advance and retreat part, 3-rotation centering Workbench mechanism, 3.1-worktable rotating part, 3.2-cylinder lifting and centering part, 4-cutter head cutting mechanism, 4.1-sliding seat, 4.2-cutter head translation device, 4.3-cutter head feeding device, 4.4-cutting roller , 4.5-Winding roller, 4.6-Cutting fluid supply system, 4.7-Ring line, 4.8-Flood plate, 4.9-Tension device, 4.10-Cutter head seat, 5-Binder mechanism, 5.1-Binder seat, 5.2-Binding transmission components, 5.3-Contact sensor, 5.4-Sliding pressing components, 6-Clamping mechanism, 6.1-Conveying base, 6.2-Conveying transmission components, 6.3-Conveying sliding components, 6.4-Clamp Material seat assembly, 6.5-edge material transmission assembly, 6.6-edge material sliding plate assembly, 7-workpiece to be cut, 8-cut workpiece, 9-pinion rack running part.

Detailed ways

The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are only used to illustrate the present invention, but not to limit the scope of the present invention.

The orientation or position relationship terms such as up, down, left, right, inside, outside, front end, rear end, head, and tail in this application document are established based on the orientation or position relationship shown in the drawings. If the drawings are different, the corresponding positional relationship may also change accordingly, so this should not be understood as limiting the scope of protection.

In the present invention, the terms "installation", "connection", "connection", "connection", "fixation" and so on should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated Connection can also be mechanical connection, electrical connection or mutual communication, direct connection or indirect connection through an intermediary, internal communication between two components, or two components interaction relationship. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

This embodiment describes a circular line square cutting machine, whose machining accuracy is as high as micron level or above, solves the problem of chip removal, is applicable to the square square process of silicon rods of various sizes on the market, and has a processing efficiency as high as 5 mm to 20 mm. More than millimeters per minute, small footprint. The square cutting machine in this embodiment can be placed symmetrically to form a double station square cutting machine, so as to ensure that two silicon rods can be processed at the same time.

As shown in Figure 1 and Figure 2, the square cutting machine includes a frame 1, a loading and unloading mechanism 2, a rotary centering table mechanism 3, a cutter head cutting mechanism 4, a pressing mechanism 5, an edge material clamping mechanism 6, a walking system and Control system, wherein the control system is used to control the actions of various components such as the loading and unloading mechanism 2, the rotary centering table mechanism 3, the cutter head cutting mechanism 4, the pressing mechanism 5, the edge material clamping mechanism 6 and the walking system. The loading and unloading mechanism 2 is installed on the frame 1 and is used for loading and unloading of workpieces. The rotary centering table mechanism 3 is movably connected with the linear guide rail in the traveling system on the frame 1, and the rotary centering table mechanism 3 can move along the linear guide rail driven by the traveling system. Two cutter head cutting mechanisms 4 are symmetrically arranged on the left and right sides of the linear guide rail and are movably connected with the frame 1. The pressing mechanism 5 is installed on the frame 1 through the pressing seat at the end of the linear guide rail. The two edge material clamping mechanisms 6. The left and right sides of the linear guide rail are symmetrically fixed and installed on the frame 1 through the feeding base respectively, and are located between the cutter head cutting mechanism 4 and the linear guide rail, and are used to transport the corner waste generated by the cutter head cutting mechanism 4 after cutting. The workpieces in this embodiment include but are not limited to silicon rods, which are divided into workpieces to be cut 7 and cut workpieces 8 according to the cutting state.

The frame 1 is used to install and connect various mechanisms, and has a certain strength to support the self-weight load and cutting load of each mechanism. A number of shock-absorbing shims are evenly distributed on the bottom of the frame 1. The height of the rack 1 and the level of the whole machine can be adjusted through the shock-absorbing shims to ensure the accuracy and stability of the movement of each mechanism and effectively eliminate the impact of vibration on the cutting accuracy. adverse effects. In addition, the frame 1 is provided with water guide grooves corresponding to the working positions of the loading and unloading mechanism 2, the rotating centering table mechanism 3 and the cutter head cutting mechanism 4 to collect the cutting fluid, which is beneficial to realize the recycling of the cutting fluid.

The loading and unloading mechanism 2 is installed on one side of the linear guide rail of the walking system, and is used for loading and unloading of workpieces and attitude adjustment for subsequent processes. As shown in Figures 3 and 4, the loading and unloading mechanism 2 includes a loading and unloading base 2.1, a loading and conveying platform 2.2, an overturning and conveying platform 2.3, an oil cylinder jacking part 2.4, and a gear advancing and retreating part 2.5.

The loading and conveying platform 2.2 is installed on the loading and unloading base 2.1, and is the loading position for the workpiece 7 to be cut and the unloading position of the workpiece 8 after cutting. The bottom of the overturning conveying platform 2.3 is hinged to the outer end of the linear guide rail and is mounted on the translation slide plate of the oil cylinder jacking part 2.4. On the loading and unloading base 2.1, the driving motor of the gear advancing and retreating part 2.5 is installed under the translational slide plate, and is meshed with the rack placed on the loading and unloading base 2.1. Driven by the gear advancing and retreating part 2.5, the jacking part 2.4 of the oil cylinder can slide along a straight line Rail slides. The oil cylinder body of the lifting part 2.4 of the oil cylinder is hingedly connected with the translational slide plate, and the piston rod passes through the middle part of the translational slide plate and is hingedly connected with the bottom of the turning conveying platform 2.3. . The rack of the gear advance and retreat part 2.5 is installed on the loading and unloading base 2.1, and the advance and retreat motor of the gear advance and retreat part 2.5 is installed under the translational slide plate and meshed with the rack. The advance and retreat motor drives the oil cylinder jacking part 2.4 and the overturning conveying platform through gear meshing transmission 2.3 Move along the linear slide rail. In this embodiment, the loading and conveying platform 2.2 and the turning conveying platform 2.3 are coaxial and have a flat surface in a horizontal state, which facilitates the transfer of workpieces. The upper surfaces of the feeding conveying platform 2.2 and the turning conveying platform 2.3 are both U-shaped, and a plurality of parallel rollers are evenly distributed on the upper surface to form a roller conveying track, and non-powered rollers inclined inwardly are symmetrically arranged on both sides of the rollers , the unpowered roller is installed on the upper surface of the feeding conveying platform 2.2 and the turning conveying platform 2.3 through the roller seat, and the roller conveys the workpiece under the drive of the conveying motor. The overturning conveying platform 2.3 of the present embodiment is provided with the yoke used for positioning the workpiece near the end of the linear guide rail. The yoke can be a U-shaped flat plate, arranged perpendicular to the surface of the overturning conveying platform 2.3, and its opening faces the top of the overturning conveying platform 2.3. . When the workpiece is in contact with the yoke, the lifting part 2.4 of the oil cylinder controls the overturning conveying platform 2.3 to turn over 90° until it contacts the buffer installed on the frame 1. When the workpiece is turned over, the yoke can carry the weight of the workpiece and prevent the workpiece from tilting and sliding out. The conveying track of the conveying platform 2.3 is convenient for the workpiece to turn over to a vertical posture and fall into the workbench of the rotary centering workbench mechanism 3 during feeding.

After the workpiece 7 to be cut is put into the feeding conveying platform 2.2 in a horizontal state by driving, it is transported to the turning conveying platform 2.3 through the roller conveying track. When the workpiece 7 to be cut is conveyed to the turning position on the turning conveying platform 2.3, the oil cylinder jacking part 2.4 Push the overturning conveying platform 2.3 Turn over 90°, the workpiece 7 to be cut is adjusted from a horizontal posture to a vertical posture, so that the fork arm enters the rotary centering table mechanism 3, and the workpiece 7 to be cut is transferred to the rotary centering table mechanism 3 on the platform. The gear advancing and retreating part 2.5 drives the oil cylinder jacking part 2.4 and the overturning conveying platform 2.3 to retreat backward as a whole, so that the yoke withdraws from the rotating centering table mechanism 3, avoiding the action of the rotating centering table mechanism 3, and the rotating centering table mechanism 3 Driven by the walking system, it moves to the cutting position for cutting. When the workpiece 7 to be cut is squared into the finished workpiece 8, the rotary centering table mechanism 3 returns to the loading and unloading position along the linear guide rail in the walking system, and the gear advance and retreat part 2.5 controls the oil cylinder jacking part 2.4 and the turning conveying platform 2.3 Move forward as a whole, extend the fork arm into the rotary centering table mechanism 3, and be located below the cut workpiece 8. At this time, the turning conveying platform 2.3 touches the cut workpiece 8 in a vertical state, and the oil cylinder jacking part 2.4 Turn the overturning conveying platform 2.3 back by 90° (that is, turn from a vertical posture to a horizontal posture), transfer the cut workpiece 8 to the overturning conveying platform 2.3, and adjust the cut workpiece 8 from a vertical posture to a horizontal posture , at this time, the top edge of the unpowered rollers on both sides of the overturning delivery platform 2.3 is in contact with the cut workpiece 8 sides, and surrounds and positions the cut workpiece 8 on three sides of the cylinder to ensure the stability of the overturn. Then, the workpiece 8 that has been cut is transported to the feeding conveyor platform 2.2 by the roller conveying line of the feeding conveying platform 2.2 and the turning conveying platform 2.3, and then the workpiece 8 that has been cut is taken away by the manual control driving.

The walking system of this embodiment is a rack and pinion walking part 9 (see Figure 5), including a rack and pinion drive assembly and a linear guide rail, the rack and pinion drive assembly is installed on the rotary centering table mechanism 3, and the linear guide rail is installed on the machine On the frame 1, the rack and pinion drive assembly drives the rotary centering table mechanism 3 to move along the linear guide rail.

The rotary centering table mechanism 3 is used to radially center the workpiece and adjust the cutting angle of the workpiece 7 to be cut. As shown in FIG. 5 , the rotary centering worktable mechanism 3 includes a worktable rotating part 3.1 and a cylinder lifting centering part 3.2.

The rotating part 3.1 of the worktable is used to drive the workpiece 7 to be cut to rotate horizontally by a predetermined angle to adjust the cutting position of the workpiece 7 to be cut, and cooperate with the lifting and lowering center part 3.2 of the cylinder to carry out radial alignment on the workpiece 7 to be cut. The workbench rotating part 3.1 includes a workbench, a workbench seat and a rotating device. The workbench is located above the workbench and is used to carry workpieces. The workbench is installed on the top of the rotating shaft of the rotating device, and the rotating device drives the workbench and the workpiece 7 to be cut on it to rotate, and adjusts the cutting position of the workpiece 7 to be cut. The rotating device is installed under the workbench, and the rotating shaft passes through the workbench and is movably connected with the workbench. The drive components are connected, and the rack and pinion drive components drive the rotating part 3.1 of the workbench to move along the linear guide rail through the workbench seat.

The lifting and centering part 3.2 of the cylinder includes a centering seat, a centering clamping cylinder, a lifting cylinder, a centering guide wheel, a guide wheel plate, a centering seat slide plate and a linear slide rail. The centering seat is located between the workbench and the workbench seat. Two centering clamping cylinders and two linear slide rails are symmetrically arranged on both sides of the upper surface of the centering seat. Two sliders are symmetrically arranged on the linear slide rails. The two ends of the centering seat slide plate are respectively installed on the sliders on the same side of the two linear slide rails. The movable clips on both sides of the centering clamping cylinder are respectively connected with the same sides of the two centering seat slides, and the two centering seat slides move in reverse under the drive of the centering clamping cylinder. Above the slider, the centering seat slide plate is connected with the centering guide wheel through the guide wheel plate. In the middle of the two centering and clamping cylinders, two lifting cylinders are symmetrically arranged on both sides of the centering seat and installed on the workbench for driving the centering seat to lift.

When the workbench is received from the loading and unloading mechanism 2 to the workpiece 7 to be cut, the rack and pinion running part 9 drives the rotating centering workbench mechanism 3 to move to the cutting position as a whole, and the lifting cylinder rises to drive the centering and clamping cylinder to connect with it The centering guide wheel rises to exceed the lower surface of the workpiece 7 to be cut, and then the centering clamping cylinder is centered and clamped (the centering clamping cylinder has been in an open state before), so that the centering guide wheel is gradually closed and clamped towards the center The workpiece 7 to be cut, while the worktable rotating part 3.1 controls the rotation of the worktable and the workpiece 7 to be cut. If the center of the workpiece 7 to be cut deviates from the center of the rotation axis during the rotation process, the corresponding centering guide wheel is provided by the centering clamping cylinder. The clamping force pushes the workpiece 7 to be cut to move to the center. At this time, the workpiece 7 to be cut is gradually moved to the center of the rotation axis of the rotating device while rotating under the action of its own rotational inertial force, and remains concentric. At the same time, the pressing mechanism 5 The contact sensor 5.3 measures the circumference error of the workpiece 7 to be cut. When the pressing mechanism 5 presses the workpiece 7 to be cut, the centering clamping cylinder is opened, and the centering guide wheels on both sides are opened away from the center of the workpiece 7 to be cut. , the lifting cylinder drives the centering seat and the centering guide wheel to drop below the plane of the worktable, and the centering guide wheel has avoided the cutting position at this time. The edge material clamping mechanism 6 moves to the working position, and clamps the part to be cut off of the workpiece 7 to be cut. The cutter head cutting mechanism 4 returns upwards to the cutting origin, and the edge material clamping mechanism 6 removes the edge material and transfers it to the recovery equipment. The workbench rotation part 3.1 drives the workbench to rotate at a preset angle, and the edge material clamping mechanism 6 on both sides of the workpiece 7 to be cut moves to the working position, clamps the part to be cut off of the workpiece 7 to be cut, and the cutter head cutting mechanism 4 repeats the cutting action, Repeat the above-mentioned actions from retraction to repeated cutting in sequence until the square opening process is completed, and the rack and pinion running part 9 moves in reverse, driving the rotating centering table mechanism 3 to move to the loading and unloading position together with the cut workpiece 8, through After the loading and unloading mechanism 2 completes the blanking process, the next cutting action is automatically performed after the next workpiece 7 to be cut enters.

As shown in Figures 6 and 7, the cutter head cutting mechanism 4 includes a sliding seat 4.1, a cutter head translation device 4.2, a cutter head feeding device 4.3, a cutting roller 4.4, a winding roller 4.5, a cutting fluid supply system 4.6, an annular Line 4.7, water retaining plate 4.8, tensioning device 4.9, cutter head seat 4.10.

One or two cutting rollers 4.4 and one or more winding rollers 4.5 are respectively installed on the front surface of the cutter head seat 4.10. The cutting roller 4.4 is a driving wheel, which is directly driven by the rotary driving device on the back surface of the cutter head seat 4.10 through the shaft. When two cutting rollers 4.4 are installed, the second cutting roller 4.4 can decide whether to start the rotary driving device according to needs . Winding roller 4.5 is driven wheel, rotates under the drive of cutting roller 4.4. As shown in Figure 7, this embodiment adopts 1 cutting roller 4.4 and 5 winding rollers 4.5, and the annular wire 4.7 is wound on the cutting roller 4.4 and 5 winding rollers 4.5 in turn to form a closed-loop loop line, forming a six-wheel train cutting gear train. During the cutting implementation process, the circular wire 4.7 rotates in an infinite loop at high speed in one direction. Since the ring line 4.7 has only one acceleration and deceleration process in the whole process, there is no pause phenomenon of pause and return during cutting, so that the workpiece 7 to be cut is cut at the same speed and in the same direction from top to bottom, further controlling the workpiece 7 to be cut. The processing accuracy of a single piece in the board from top to bottom, so as to achieve the processing accuracy of micron level or even higher.

The center planes of the cutting roller 4.4 and the winding roller 4.5 are respectively provided with an annular V-groove of the same shape and size for loading the annular wire 4.7 to form a single wire cutting. The ring wire 4.7 of this embodiment is a ring wire with a certain length and a certain wire diameter coated with diamond micropowder particles of required size and connected head to tail.

Tensioning device 4.9 links to each other with a winding roller 4.5, is used for realizing the tension adjustment of ring wire 4.7, so that realize the high-speed rotation of ring wire 4.7. The motor screw assembly in the tensioning device 4.9 controls the tension slide plate to move up and down, the tension slide plate is fixedly connected with the guide wheel seat, and the guide wheel seat links to each other with the winding roller 4.5 through the tension sensor. The tension of the ring line 4.7 is fed back to the control system in real time through the tension sensor, and the control system controls the tension value of the ring line 4.7 in real time through the motor screw assembly to make it meet the set value.

A plurality of cutting fluid nozzles in the cutting fluid supply system 4.6 are respectively installed on the cutter head seat 4.10, located above the cutting position, and continuously supply cutting fluid with the feed of the cutter head seat 4.10 to lubricate the cutting area, clean chips and The effect of controlling and reducing the temperature of the cutting area. Water baffles 4.8 are respectively installed on both sides of the cutter head seat 4.10 to prevent the cutting fluid from splashing.

The cutter head seat 4.10 is movably connected with the sliding seat 4.1 through the cutter head feeding device 4.3, and the cutter head feeding device 4.3 of the present embodiment can use a screw drive system to drive the cutter head seat 4.10 and the cutting wheel train etc. Lifting feed and retracting in the vertical direction. The sliding seat 4.1 is slidably connected to the frame 1 through the cutter head translation device 4.2. The cutter head translation device 4.2 can drive the sliding seat 4.1 and its upper parts to translate and slide in the horizontal direction through a set of screw drive system to adjust the cutting position. To ensure that the equipment can be used to cut workpieces 7 of different sizes.

The pressing mechanism 5 is used to press the workpiece 7 to be cut, so as to prevent the precision loss caused by the displacement of the workpiece 7 due to the vibration of the machine tool during cutting. As shown in Figure 8, the pressing mechanism 5 includes a pressing seat 5.1, a pressing transmission assembly 5.2, a contact sensor 5.3 and a sliding pressing assembly 5.4. The pressing seat 5.1 is fixed in the cutting area on the frame 1, the sliding pressing assembly 5.4 is movably connected with the pressing seat 5.1 through the pressing transmission assembly 5.2, and the pressing transmission assembly 5.2 can drive the sliding pressing assembly 5.4 to move up and down to It is suitable for pressing workpieces of different heights. The pressing transmission assembly 5.2 of this embodiment can be driven by a screw. The contact sensor 5.3 is installed on the pressing seat 5.1, and is used to cooperate with the worktable rotating part 3.1 in the rotating centering worktable mechanism 3. During the rotation of the worktable, it measures the radial runout of the workpiece 7 to be cut, so as to realize The measurement of the cutting angle position of the workpiece 7 to be cut can be adjusted in time to reduce the circumference error of the workpiece 7 to be cut and realize precise cutting.

The edge material clamping mechanism 6 is used in conjunction with the cutter head cutting mechanism 4, and is used to fix and recycle the edge waste when cutting the workpiece 7 to be cut, so as to prevent the edge waste from flying or accumulating to affect the next cutting of the machine tool when the cutting is completed. The edge material clamping mechanism 6 will automatically transfer the edge waste to a designated location, and be reclaimed by special edge waste recovery equipment.

As shown in FIG. 9 , the trimming mechanism 6 includes a feeding base 6.1, a feeding transmission assembly 6.2, a feeding sliding assembly 6.3, a clipping seat assembly 6.4, a clipping transmission assembly 6.5 and a clipping sliding plate assembly 6.6. The transporting material transmission assembly 6.2 is fixed on the frame 1 through the transporting material base 6.1, the transporting material sliding assembly 6.3 is sleeved on the guide shaft of the transporting material transmission assembly 6.2, driven by the transporting material transmission assembly 6.2, the transporting sliding assembly 6.3 can move along the The leading axis moves horizontally. The clamping seat component 6.4 is fixedly installed on the transporting sliding component 6.3, and can move horizontally together with the transporting sliding component 6.3, and the trimming sliding plate component 6.6 is flexibly connected to the transporting sliding component 6.3 through the clamping transmission component 6.5, The edge material transmission assembly 6.5 can drive the edge material sliding plate assembly 6.6 to move up and down. Before cutting, the edge material transmission assembly 6.5 drives the edge material sliding plate assembly 6.6 to move downward, and drives the material clamping top plate in the edge material sliding plate assembly 6.6 to move downward until it presses the workpiece 7 to be cut. above. At this time, the clamping seat assembly 6.4 is located below the required cut part of the workpiece 7 to be cut. After the cutting is completed, the clamping seat assembly 6.4 cooperates with the clamping top plate to clamp the corner waste that is separated from the main body of the workpiece 7 to be cut. Component 6.2 drives the transport sliding component 6.3 to move horizontally, transports and transfers the corner waste until it exits the cutting area, and after the corner waste is removed, the transport sliding component 6.3 returns to the cutting area.

Utilize the square rooting machine of the present embodiment to carry out the process of square root as follows:

1. Manual or automatic equipment controls the workpiece 7 to be cut and puts it horizontally into the feeding and conveying platform 2.2 of the loading and unloading mechanism 2, and the feeding and conveying platform 2.2 transports the workpiece 7 to be cut to the turning conveying platform 2.3;

2. The lifting part 2.4 of the oil cylinder lifts and flips the overturning conveying platform 2.3 by 90°, so that the workpiece 7 to be cut is in a vertical state; the workpiece 7 to be cut falls on the worktable of the worktable rotating part 3.1 at the loading and unloading position;

3. The gear advance and retreat part 2.5 controls the overturning conveying platform 2.3 and the oil cylinder jacking part 2.4 to retreat, avoiding the walking action of the rotating centering table mechanism 3, and then enters the standby state;

4. The rotating and centering worktable mechanism 3 moves from the loading and unloading position to the cutting position through the operation of the rack and pinion walking part 9; the cylinder lifting and centering part 3.2 clamps and centers the workpiece 7 to be cut, and at the same time the worktable rotating part 3.1 drives the workpiece to be cut 7 rotates, the workpiece 7 to be cut is under the action of the clamping force of the centering clamping cylinder and its own rotational inertia force, to realize the coaxial precision control of the workpiece 7 to be cut and the worktable rotating part 3.1 of the worktable, and press the material while rotating The contact sensor 5.3 in the mechanism 5 measures the radial runout of the workpiece 7 to be cut, so as to realize the measurement of the angular position of the rib line of a single crystal silicon rod, and realize precise cutting;

5. After the centering of the workpiece 7 to be cut is completed, the lifting and centering part 3.2 of the cylinder is retracted, and the sliding pressing assembly 5.4 in the pressing mechanism 5 moves downward to press the workpiece 7 to be cut, and the transporting material in the clamping mechanism 6 slides Component 6.3, clamping seat component 6.4, edge material transmission component 6.5, and edge material sliding plate assembly 6.6 enter the cutting position, edge material sliding plate assembly 6.6 moves downward, and clamps the excised part of the workpiece 7 to be cut;

6. The cutter head cutting mechanism 4 is driven by the cutter head translation device 4.2 to the set cutting size, the cutting roller 4.4 starts to rotate, the cutting fluid supply system 4.6 starts to supply cutting fluid, and the speed of the cutting roller 4.4 reaches the preset value. After the tightening device 4.9 confirms that the tension of the ring line 4.7 reaches the standard, the cutter head feeding device 4.3 starts to drive the cutter head seat 4.10 and the cutting wheel train on it to feed downward until the cutting reaches the bottom of the workpiece 7 to be cut, and the cutter head feeds The device 4.3 retreats to the upper origin, the clipping mechanism 6 transports the corner waste, and the pressing mechanism 5 releases the workpiece 7 to be cut upward;

7. The rotating part 3.1 of the worktable drives the workpiece 7 to be cut to rotate at a predetermined angle, the pressing mechanism 5 presses the workpiece 7 downward again, and the edge material clamping mechanism 6 re-clamps the excised part of the workpiece 7 to be cut; the cutter head cutting mechanism 4. Repeat the cutting feed and knife retracting actions. The edge material clamping mechanism 6 will transport out the corner scraps again, and the pressing mechanism 5 will release the workpiece 7 to be cut upward again. Repeat this step until the workpiece 7 to be cut is processed and forms a cutting Finished workpiece 8;

8. The rotating centering table mechanism 3 sends the cut workpiece 8 to the loading and unloading area, and the gear advancing and retreating part 2.5 of the loading and unloading mechanism 2 in the standby state controls the turning and conveying platform 2.3 and the cylinder jacking part 2.4 to enter the material picking position , the oil cylinder jacking part 2.4 retracts the inverting conveying platform 2.3 and turns over -90°, and the inverting conveying platform 2.3 transports the cut workpiece 8 to the feeding conveying platform 2.2, waiting for manual or automatic equipment to take it away. So far, waiting for the next one to be cut Workpiece 7 enters.

Although the principle of the present invention has been described in detail above in conjunction with the preferred embodiments of the present invention, those skilled in the art should understand that the above embodiments are only explanations for the exemplary implementation of the present invention, and are not intended to limit the scope of the present invention. The details in the embodiments do not constitute a limitation to the scope of the present invention. Without departing from the spirit and scope of the present invention, any obvious changes such as equivalent transformations and simple replacements based on the technical solutions of the present invention fall within the scope of the present invention. within the scope of protection.

Claims (10)

1. The loop wire squaring machine is characterized by comprising a feeding and discharging mechanism (2), a rotary centering workbench mechanism (3), a cutter head cutting mechanism (4), a traveling system and a control system; the blanking mechanism (2), the rotary centering workbench mechanism (3), the cutter head cutting mechanism (4) and the traveling system are respectively connected with the control system;

the feeding and discharging mechanism (2) is arranged at one side of the linear guide rail of the traveling system and is used for feeding and discharging workpieces;

the rotary centering workbench mechanism (3) is movably connected to the linear guide rail, the rotary centering workbench mechanism (3) comprises a workbench rotating part (3.1) and a centering guide wheel, and is used for gradually contracting the centering guide wheel to radially center the workpiece (7) to be cut while the workbench rotating part (3.1) drives the workpiece (7) to be cut to rotate and horizontally rotating the workpiece (7) to be cut to adjust the cutting position; the traveling system drives the rotary centering workbench mechanism (3) to move between an upper discharging position and a lower discharging position and a cutting area along the linear guide rail;

in the cutting area, two cutter head cutting mechanisms (4) are symmetrically arranged on two sides of the linear guide rail and are used for symmetrically cutting the workpiece (7) to be cut.

2. The loop squaring machine according to claim 1, characterized in that the feeding and blanking mechanism (2) comprises a feeding and blanking base (2.1), a feeding and conveying platform (2.2) and a turning and conveying platform (2.3); the feeding and conveying platform (2.2) is arranged on the feeding and discharging base (2.1) and is used for feeding and discharging a workpiece (7) to be cut and a cut workpiece (8); the bottom of the overturning and conveying platform (2.3) is close to the outer end of the linear guide rail and is movably connected with the feeding and discharging base (2.1), and the overturning and conveying platform (2.3) can overturn upwards by 90 degrees.

3. The loop squaring machine according to claim 2, characterized in that the feeding and blanking mechanism (2) further comprises an oil cylinder lifting part (2.4); the bottom of the overturning and conveying platform (2.3) is close to the outer end of the linear guide rail and is hinged with a translation sliding plate of the oil cylinder jacking part (2.4); the translation slide plate is in sliding connection with the feeding base (2.1), an oil cylinder in the oil cylinder jacking part (2.4) is hinged with the bottom surface of the overturning and conveying platform (2.3) through a piston rod, and the oil cylinder pushes the overturning and conveying platform (2.3) to overturn upwards by 90 degrees.

4. A loop squaring machine according to claim 3, characterized in that the feeding and blanking mechanism (2) further comprises a gear advancing and retreating part (2.5), the gear advancing and retreating part (2.5) comprises a linear slide rail, a rack and an advancing and retreating motor; the oil cylinder jacking part (2.4) is connected to the linear slide rail in a sliding way through the translation slide plate; the rack and the linear slide rail are respectively arranged on the feeding and discharging base (2.1); the advancing and retreating motor is arranged below the translation sliding plate and is in meshed connection with the rack, and the advancing and retreating motor drives the oil cylinder lifting part (2.4) to slide along the linear sliding rail through meshed transmission.

5. Loop squaring machine according to claim 2, characterized in that the turning conveyor platform (2.3) is provided with a fork arm at the end close to the linear guide rail, the fork arm is a U-shaped flat plate, perpendicular to the surface of the turning conveyor platform (2.3), and with its opening facing towards the upper side of the turning conveyor platform (2.3).

6. Loop squaring machine according to claim 1, characterized in that the rotary centering table mechanism (3) further comprises a cylinder lifting centering portion (3.2); the workbench rotating part (3.1) is movably connected to the linear guide rail and is used for driving the workpiece to horizontally rotate, adjusting the cutting position and radially centering the workpiece (7) to be cut by matching with the lifting centering middle part (3.2) of the air cylinder; the cylinder lifting centering part (3.2) is arranged on the workbench rotating part (3.1) and comprises the centering guide wheel, and the cylinder lifting centering part (3.2) radially centers the workpiece (7) to be cut by driving the centering guide wheel to gradually shrink.

7. Loop squaring machine according to claim 6, characterized in that the table rotation (3.1) comprises a table, a table base and a rotation means; the rotating device is arranged below the workbench seat, a rotating shaft of the rotating device penetrates through the workbench seat to be connected with the workbench, the rotating device drives the workbench to rotate, and the workbench is used for bearing the workpiece; the working table seat is movably connected to the linear guide rail, and the traveling system drives the working table seat to move along the linear guide rail.

8. The loop squaring machine according to claim 7, characterized in that the cylinder lifting centering portion (3.2) further comprises a centering seat, a centering clamping cylinder, a lifting cylinder, a guide wheel plate, a centering seat slide plate and a linear slide rail; the centering seat is positioned between the workbench and the workbench seat, the two centering clamping cylinders and the two linear sliding rails are symmetrically arranged on two sides of the upper surface of the centering seat respectively, two sliding blocks are symmetrically arranged on the linear sliding rails, and two ends of the centering seat sliding plate are respectively arranged on the sliding blocks on the same side of the two linear sliding rails; the movable clamping pieces on two sides of the centering clamping cylinder are respectively connected with the same sides of the two centering seat sliding plates, and the centering clamping cylinder drives the two centering seat sliding plates to move reversely; the centering seat sliding plate above the sliding block is connected with the centering guide wheel through the guide wheel plate; the two lifting cylinders are symmetrically arranged on two sides of the centering seat and mounted on the workbench seat and used for driving the centering seat to lift.

9. The loop squaring machine according to claim 1, characterized in that the bit cutting mechanism (4) comprises a sliding seat (4.1), a bit translation device (4.2), a bit feeding device (4.3), a cutting roller (4.4), a winding roller (4.5), a loop wire (4.7) and a bit seat (4.10);

one or two cutting rollers (4.4) and one or more winding rollers (4.5) are respectively arranged on the cutter head seat (4.10), and the annular wire (4.7) is sequentially wound on the cutting rollers (4.4) and the winding rollers (4.5) to form a closed loop wire to form a cutting wheel train;

the cutter head seat (4.10) is movably connected with the sliding seat (4.1) through the cutter head feeding device (4.3), and the cutter head feeding device (4.3) is used for driving the cutter head seat (4.10) and the cutting wheel train to lift, feed and retract;

the sliding seat (4.1) is in sliding connection with the tool bit translation device (4.2), and the tool bit translation device (4.2) drives the sliding seat (4.1) to translate and slide.

10. Loop squaring machine according to claim 1, characterized in that it further comprises a pressing mechanism (5) and a binder mechanism (6); the material pressing mechanism (5) and the edge clamping mechanism (6) are respectively connected with the control system; the pressing mechanism (5) is arranged at the end part of the linear guide rail and used for pressing the workpiece (7) to be cut; the two edge clamping mechanisms (6) are symmetrically arranged on two sides of the linear guide rail and located between the cutter head cutting mechanism (4) and the linear guide rail and used for removing cut leftover materials.