CN110935752B - Fully automatic straightening machine and its use method - Google Patents
Fully automatic straightening machine and its use method Download PDFInfo
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- CN110935752B CN110935752B CN201911132310.8A CN201911132310A CN110935752B CN 110935752 B CN110935752 B CN 110935752B CN 201911132310 A CN201911132310 A CN 201911132310A CN 110935752 B CN110935752 B CN 110935752B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/10—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts between rams and anvils or abutments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- Mechanical Engineering (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
Abstract
本发明涉及一种不仅能够对金属杆进行全面整直，而且整直效率高、整直效果好，同时适用性好的全自动整直机及其使用方法，机架的加工台面上设有两个固定整直支撑架，该加工台面上设有两个自移动整直支撑架；加工台面的两侧分别设有一个360°翻转夹具，两夹头间装夹有待整直的金属杆，两个360°翻转夹具的正上方分别设有一个升降机构且升降机构能够带动360°翻转夹具及金属杆上下移动；机架后侧设有自动检测机构；机架的顶板下端设有自移动液压锤。优点：一是全自动整直机由于自动化程度高，不仅能够全面、高效的对金属杆进行整直，而且整直效果好，同时使用安全性好；二是全自动整直机适用性好，其能够对50KG以下的金属杆进行整直操作。
The present invention relates to a fully automatic straightening machine and a method for using the machine, which can not only straighten metal rods comprehensively, but also has high straightening efficiency, good straightening effect and good applicability. Two fixed straightening support frames are arranged on the processing table of the frame, and two self-moving straightening support frames are arranged on the processing table; a 360° flip clamp is arranged on both sides of the processing table, and the metal rod to be straightened is clamped between the two clamps; a lifting mechanism is arranged directly above the two 360° flip clamps, and the lifting mechanism can drive the 360° flip clamp and the metal rod to move up and down; an automatic detection mechanism is arranged on the rear side of the frame; and a self-moving hydraulic hammer is arranged at the lower end of the top plate of the frame. Advantages: First, the fully automatic straightening machine can not only straighten metal rods comprehensively and efficiently, but also has good straightening effect and good safety in use due to its high degree of automation; second, the fully automatic straightening machine has good applicability and can straighten metal rods below 50KG.
Description
Technical Field
The invention relates to a full-automatic straightening machine which not only can comprehensively straighten a metal rod, but also has high straightening efficiency and good straightening effect and good applicability, and a use method thereof, belonging to the field of metal processing equipment manufacture.
Background
The cathode plate applied to the electrophoresis refining copper on the metallurgy electrophoresis is a consumable product and is shaped like a flag with a flagpole on one side. The stainless steel plate is a stainless steel plate with the length of 1.2 m, and the stainless steel plate is connected with a stainless steel column body (flagpole) with an embedded copper bar and with the functions of electric conduction and bearing. The two are integrated by means of laser welding, and as the laser spots are small, when the cylinder is not straight, gaps are easily formed between the cylinder and the stainless steel plate, so that welding cannot be performed. Therefore, the straightness of the stainless steel column determines the product quality. It is necessary to straighten the column before welding. The straightening method comprises the following steps: 1) Firstly, checking that a bending point manual straight ruler approaches to light transmission, then observing the size of a gap, and determining a lower pad supporting point and a pressing point by means of manual experience, 2) manually selecting the supporting point and the pressing point to approach to a hydraulic hammer, and manually determining the hydraulic pressing distance to form the overbending shaping. 3) The bending point continues to be detected by observation with a ruler, and the fulcrum is continuously moved to press down until each face and the point on each face are flat. Because the whole rod body is solid and weighs 20kg, the straightening method not only requires that the workers have abundant experience, but also requires that the workers carry out strong physical labor, and meanwhile, the straightening error is large and the efficiency is low.
Disclosure of Invention
The design purpose is as follows: in order to avoid the defects in the background art, a full-automatic straightening machine which not only can comprehensively straighten a metal rod, but also has high straightening efficiency and good straightening effect and good applicability and a use method thereof are designed.
The design scheme is as follows: to achieve the above design objective.
1. Two fixed straightening support frames are arranged on a processing table surface of the frame, two self-moving straightening support frames are arranged on the processing table surface, and the two self-moving straightening support frames are positioned between the two fixed straightening support frames; the machining table top is characterized in that two sides of the machining table top are respectively provided with a 360-degree turnover fixture, chucks of the two 360-degree turnover fixtures are oppositely arranged, a metal rod to be straightened is clamped between the two chucks and is positioned right above the two fixed straightening support frames, and a lifting mechanism is respectively arranged right above the two 360-degree turnover fixtures and can drive the 360-degree turnover fixtures and the metal rod to move up and down; the rear side of the frame is provided with an automatic detection mechanism, a detection head of a displacement sensor in the automatic detection mechanism is opposite to the metal rod, and the detection head of the displacement sensor can move and scan the metal rod along the length direction of the metal rod; the design that the self-moving hydraulic hammer can move back and forth along the length direction of the metal rod is one of the technical characteristics of the invention. The purpose of this design is: the full-automatic straightening machine realizes automatic detection of bending points on the metal rod through an automatic detection mechanism in the straightening machine, realizes automatic adjustment of pivot positions through a self-moving straightening support frame in the straightening machine, realizes automatic adjustment of pressing point positions through a self-moving hydraulic hammer in the straightening machine, realizes automatic four-side overturning of the metal rod through a 360-degree overturning clamp, and finally realizes comprehensive straightening of the metal rod.
2. The self-moving straightening support frame is composed of two support frames, four rows of rollers, two guide rails, two groups of synchronous wheel assemblies, two synchronous belt pressing plates, two air cylinder fixing plates, two air cylinders and two guide rail brackets, and is a second technical feature of the self-moving straightening support frame. The purpose of this design is: the self-moving straightening support frame consists of two support frames, four rows of rollers, two guide rails, two groups of synchronous wheel assemblies, two synchronous belt pressing plates, two air cylinder fixing plates, two air cylinders and two guide rail brackets; the two sides of the bottom surface of the frame are respectively provided with an air cylinder fixing plate, the upper end surfaces of the air cylinder fixing plates are vertically provided with air cylinders upwards, the end heads of piston rods of the two air cylinders are respectively provided with a guide rail bracket through a connecting piece, two guide rails are arranged between the two guide rail brackets, and the two guide rails are positioned on the two sides of the table surface of the frame; a row of rollers are respectively arranged on two sides of the lower end surface of each support frame, the support frames are arranged between the two guide rails in a concave-convex fit manner through the two rows of rollers and the two guide rail bodies, the support frames are positioned above the table top of the frame, and the two support frames are positioned between the two fixed straightening support frames; two groups of synchronous wheel assemblies are transversely arranged on the table surface of the machine frame, synchronous belts in the two groups of synchronous wheel assemblies are arranged along the length direction of the table surface of the machine frame, the synchronous belt in one group of synchronous wheel assemblies is fixedly connected with the upper end surface of the bottom plate of the corresponding support frame through a synchronous belt pressing plate, and the synchronous belt in the other group of synchronous wheel assemblies is fixedly connected with the upper end surface of the bottom plate of the corresponding support frame through a synchronous belt pressing plate; under the control of the PLC, each group of synchronous wheel assemblies can independently drive one support frame to reach respective appointed positions (corresponding support points of the pressing points, corresponding support points of the pressing points are two support points), so that the accuracy of the positions of the movable support points can be improved; in addition, two guide rails are arranged on a lifting table formed by an air cylinder, a guide rail bracket and the like, when the self-moving support frame is needed, the lifting table is lifted to enable the guide rails to form supporting contact with the roller wheels on the support frame, so that the support frame can be driven by the synchronous wheel assembly to quickly adjust the position, the lifting table descends after the support frame reaches the designated supporting point position to enable the guide rails and the roller wheels to be separated from each other, and meanwhile, the support frame falls on a table top of the machine frame to be used as a supporting point corresponding to a pressing point, namely, the self-moving straightening support frame is flexible, accurate and efficient when the self-moving straightening support frame is needed to move, and has good stability when the self-moving straightening support frame is used as the supporting point.
3. The 360-degree overturning clamp is designed to be composed of a mounting frame, a rotary table, a positioning sensor, a sensor mounting frame, four positioning rods, a servo motor and a chuck, and is a third technical feature of the invention. The purpose of this design is: the 360-degree overturning clamp comprises a mounting frame, a rotary table, positioning sensors, a sensor mounting frame, four positioning rods, a servo motor and a chuck, wherein the rotary table is transversely mounted at the front end of the mounting frame, the servo motor is transversely mounted at the rear end of the mounting frame, a power output shaft of the servo motor is connected with an input shaft in the rotary table through a coupler, the chuck is mounted at the front end face of a turntable of the rotary table, the four positioning rods are equidistantly arranged on the outer circular surface of the turntable, the positioning sensors are mounted on a frame through the sensor mounting frame, and the four positioning rods sequentially pass through sensing heads of the positioning sensors when the turntable rotates; under the control of a PLC (programmable logic controller), the servo motor drives the rotary table to rotate for 90 degrees to realize automatic turning operation of the metal rod, and the bending points (exactly the arch starting points) of the metal rod are pressed down to realize straightening in the straightening process, so that the bending points on each surface of the metal rod can be straightened through automatic turning of the 360-degree turning clamp.
4. The lifting mechanism is composed of a fixed plate, an air cylinder, two linear bearings and two guide posts, and is a fourth technical feature of the invention. The purpose of this design is: the lifting mechanism consists of a fixed plate, an air cylinder, two linear bearings and two guide posts, wherein a piston rod through hole penetrating through the upper end face and the lower end face of the fixed plate is formed in the upper end face of the fixed plate, the air cylinder is fixedly arranged at the upper end of the fixed plate, the end head of the piston rod of the air cylinder vertically penetrates through the piston rod through hole downwards, the two guide posts are fixedly arranged at the lower end of the fixed plate, the two guide posts are positioned at the two sides of the piston rod, and the linear bearings are sleeved on the guide posts; under the control of the PLC, the lifting mechanism can drive the 360-degree turnover fixture and the metal rods clamped between the 360-degree turnover fixtures to move up and down, so that the turnover operation of the metal rods and the automatic position adjustment of the support frame in the self-moving straightening support frame are facilitated, and meanwhile, the lifting mechanism is convenient for the 360-degree turnover fixture to clamp the metal rods with different widths and diameters, so that the applicability of the straightening machine is improved; in addition, guide posts with linear bearings are arranged on two sides of the piston rod, so that the lifting mechanism can be ensured not to change positions in the process of driving the 360-degree overturning clamp and the metal rod clamped between the 360-degree overturning clamps to move up and down.
5. The automatic detection mechanism is composed of a slide block, a slide rail underframe, a displacement sensor, a servo motor, a synchronous belt, two synchronous pulleys, a synchronous pulley mounting frame, a motor mounting seat and a pressing plate. The purpose of this design is: the automatic detection mechanism consists of a sliding block, a sliding rail underframe, a displacement sensor, a servo motor, a synchronous belt, two synchronous pulleys, a synchronous pulley mounting frame, a motor mounting seat and a pressing plate; a sliding rail underframe is arranged between two upright posts at the rear side of the frame, a sliding rail is transversely arranged on the sliding rail underframe, a sliding block is arranged on the sliding rail, and a displacement sensor is arranged on the sliding block; a synchronous pulley mounting frame is mounted on a stand column on one side of the frame, a motor mounting seat is mounted on a stand column on the other side of the frame, a synchronous pulley is mounted in the synchronous pulley mounting frame through a rotating shaft, a servo motor is mounted on the motor mounting seat, a synchronous pulley is sleeved on a power output shaft of the servo motor, a synchronous belt is sleeved between the two synchronous pulleys, and the synchronous belt is fixedly connected with the upper end face of a sliding block through a pressing plate; under the control of a PLC (programmable logic controller), the sliding block moves along the sliding rail, the displacement sensor positioned on the sliding block detects the metal rod in real time in the moving process of the sliding block and transmits detected data to the PLC in real time, the PLC calculates virtual straight line parameters of the metal rod and coordinate parameters of a bending point of the metal rod from front to back according to integral information (the integral bending information of the metal rod is detected) uploaded by the displacement sensor, and optimal shaping data are obtained, so that integral detection of the metal rod to be straightened is realized quickly, accurately and stably, the detection efficiency of the straightening machine is improved, the detection stability of the straightening machine is guaranteed, and meanwhile, the detection error rate of the straightening machine is extremely low.
6. The self-moving hydraulic hammer is characterized by comprising a hydraulic cylinder, a hydraulic cylinder mounting bottom plate, two rows of rollers, two guide rails, two cross beams, a synchronous belt pressing plate, a stay wire sensor, a stay wire plate, a hammer head, a servo motor, a synchronous belt, two synchronous pulleys, a synchronous pulley mounting frame and a motor base. The purpose of this design is: the self-moving hydraulic hammer consists of a hydraulic cylinder, a hydraulic cylinder mounting bottom plate, two rows of rollers, two guide rails, two cross beams, a synchronous belt pressing plate, a stay wire sensor, a stay wire plate, a hammer head, a servo motor, a synchronous belt, two synchronous pulleys, a synchronous pulley mounting frame and a motor seat; a synchronous pulley mounting frame is arranged on one side of a top plate of the frame, a motor seat is arranged on the other side of the top plate of the frame, a synchronous pulley is arranged in the synchronous pulley mounting frame through a rotating shaft, a servo motor is arranged on the motor seat, a synchronous pulley is arranged on a power output shaft of the servo motor, and a synchronous belt is sleeved between the two synchronous pulleys; a cross beam is arranged between the two upright posts at the front side of the frame, a guide rail is arranged on the upper end face of the cross beam, a cross beam is arranged between the two upright posts at the front side of the frame, and a guide rail is arranged on the upper end face of the cross beam; a row of rollers are respectively arranged on two sides of the lower end surface of the hydraulic cylinder installation base plate, the hydraulic cylinder installation base plate is installed between the two guide rails in a concave-convex fit manner through the two rows of rollers and the two guide rail bodies, the hydraulic cylinder is installed on the lower end surface of the hydraulic cylinder installation base plate and is positioned between the two rows of rollers, a hammer is fixedly installed at the end head of a piston rod of the hydraulic cylinder, and the synchronous belt is fixedly connected with the hydraulic cylinder installation base plate through a synchronous belt pressing plate; a stay wire sensor is arranged on one side of the lower end face of the hydraulic cylinder mounting bottom plate, a stay wire plate is mounted at the end head of a piston rod of the hydraulic cylinder, and the stay wire plate is positioned right below a sensing head of the stay wire sensor; under the control of the PLC, the servo motor can accurately drive the synchronous belt to rotate, the hydraulic cylinder is accurately moved to a position right above a pressing point (under the cooperation of the pull wire sensor, the error between the hydraulic cylinder and the actual pressing point is smaller than 2 mm), meanwhile, the self-moving hydraulic hammer is moved by the hydraulic cylinder through the cooperation of the roller and the guide rail, and the friction force between the hydraulic hammer and the guide rail is rolling friction (small friction force) when the roller moves, so that the hydraulic cylinder mounting bottom plate and the hydraulic cylinder mounted on the hydraulic cylinder mounting bottom plate are labor-saving, and the speed block is moved, namely, the self-moving hydraulic hammer is efficient and labor-saving.
7. The invention is characterized in that the outer circular surface of the wheel in the roller is provided with an annular groove, the raised line at the upper end of the guide rail is semicircular, the width of the raised line is matched with the width of the annular groove, the upper end surface of the hydraulic cylinder mounting bottom plate is a plane, and the distance between the upper end surface of the hydraulic cylinder mounting bottom plate and the inner top surface of the rack top plate is 1mm-6 mm. The purpose of this design is: because the metal rod is large in weight and can reach tens of kilograms, the pushing-out force of the hydraulic cylinder for straightening has high requirement, the pushing-out force of the hydraulic cylinder is more than 30000N, the outer circular surface of the wheel in the roller is provided with an annular groove, the raised line at the upper end of the guide rail is semicircular, the width of the raised line is matched with the width of the annular groove, the upper end face of the hydraulic cylinder mounting bottom plate is plane, the distance between the upper end face of the hydraulic cylinder mounting bottom plate and the inner top surface of the rack top plate is 1mm-6mm, and after the hydraulic cylinder pushes out the piston rod downwards and the hammer head contacts with the metal rod, the hydraulic cylinder mounting bottom plate (comprising the hydraulic cylinder arranged on the hydraulic cylinder mounting bottom plate and the like) can be slightly jacked for a distance under the action of the reaction force, so that the hydraulic cylinder mounting bottom plate contacts with the inner top surface of the rack top plate can be ensured by the integral weight of the straightening machine; after straightening, the depth of the annular groove is larger than the distance between the upper end surface of the hydraulic cylinder mounting bottom plate and the inner top surface of the rack top plate (namely, the hydraulic cylinder mounting bottom plate and the hydraulic cylinder arranged on the hydraulic cylinder mounting bottom plate are jacked up, the convex strips at the upper end of the guide rail are also partially positioned in the annular groove of the wheel, and the two are subjected to limiting guide function), and the hydraulic cylinder mounting bottom plate and the hydraulic cylinder arranged on the hydraulic cylinder mounting bottom plate are positioned to descend for a small distance until the roller is in matched contact with the convex strips after the piston rod of the hydraulic cylinder is retracted, so that the hydraulic cylinder mounting bottom plate and the hydraulic cylinder arranged on the hydraulic cylinder mounting bottom plate can flexibly move along the slide rail through the rolling of the roller.
Technical scheme 1: the full-automatic straightening machine comprises a frame and a PLC (programmable logic controller), wherein two fixed straightening support frames are arranged on a processing table surface of the frame, two self-moving straightening support frames are arranged on the processing table surface, and the two self-moving straightening support frames are positioned between the two fixed straightening support frames; the machining table top is characterized in that two sides of the machining table top are respectively provided with a 360-degree turnover fixture, chucks of the two 360-degree turnover fixtures are oppositely arranged, a metal rod to be straightened is clamped between the two chucks and is positioned right above the two fixed straightening support frames, and a lifting mechanism is respectively arranged right above the two 360-degree turnover fixtures and can drive the 360-degree turnover fixtures and the metal rod to move up and down; the rear side of the frame is provided with an automatic detection mechanism, a detection head of a displacement sensor in the automatic detection mechanism is opposite to the metal rod, and the detection head of the displacement sensor can move and scan the metal rod along the length direction of the metal rod; the roof lower extreme of frame is equipped with from removing hydraulic hammer and from removing hydraulic hammer's tup and be located the metal pole directly over, should remove hydraulic hammer from the length direction round trip movement of metal pole.
Technical scheme 2: firstly, clamping a metal rod to be straightened between two chucks, and then controlling an automatic detection mechanism to scan the metal rod by a PLC (programmable logic controller) and uploading scanned data to the PLC for processing by the automatic detection mechanism in real time; step two, the PLC controls the lifting mechanism to drive the 360-degree turnover fixture and the metal rod to move upwards, then the PLC controls the two self-moving straightening support frames to move respectively so that the support frames arrive at the appointed pivot, and then the PLC controls the lifting mechanism to drive the 360-degree turnover fixture and the metal rod to move downwards so that the lower end face of the metal rod is contacted with the two fixed straightening support frames and the two support frames simultaneously; thirdly, the PLC controls the self-moving hydraulic hammer to move until the hydraulic cylinder reaches the position right above the appointed pressing point, and then the PLC controls the hydraulic cylinder to push out the piston rod downwards to enable the hammer head to hit the pressing point to achieve straightening operation; step four, the PLC controller controls the lifting mechanism to drive the 360-degree turning clamp and the metal rods to move upwards, then the PLC controller controls the two 360-degree turning clamps to rotate 90 degrees simultaneously, then the PLC controller controls the lifting mechanism to drive the 360-degree turning clamp and the metal rods to move downwards to the original positions, the turning of the metal rods is achieved, then the step one, the step two and the step three are repeated on the metal rods under the control of the PLC controller, the straightening of the metal rods is achieved, and then the two chucks are loosened and the straightened metal rods are taken down.
Compared with the background technology, the full-automatic straightening machine has the advantages that the full-automatic straightening machine is high in automation degree, can comprehensively and efficiently straighten the metal rod, is good in straightening effect, and is good in use safety; secondly, the full-automatic straightening machine has good applicability, can straighten the metal rod below 50KG, and can be suitable for the metal rod with a certain length range and a certain width range; thirdly, the full-automatic straightening machine only needs manual operation during feeding or discharging, so that the labor cost is greatly reduced, and the labor intensity of workers is reduced.
Drawings
Fig. 1 is a schematic diagram of a front perspective view of a fully automatic straightener.
Fig. 2 is a schematic diagram of the front view structure of the full automatic straightener.
Fig. 3 is a schematic rear perspective view of the full-automatic straightener.
Fig. 4 is a schematic rear view of the full-automatic straightener.
Fig. 5 is a schematic perspective view of the 360 ° flip clamp in combination with the lifting mechanism.
Fig. 6 is a schematic perspective view of the automatic detecting mechanism (first configuration).
Fig. 7 is a schematic rear view of the automatic detecting mechanism (second configuration).
Fig. 8 is a right-side view of the automatic detecting mechanism (second configuration).
Fig. 9 is a schematic perspective view of the self-moving hydraulic hammer in combination with the frame (part).
Fig. 10 is a schematic elevational view of the self-moving hydraulic hammer in combination with the frame (part).
Fig. 11 is a schematic perspective view of a self-moving hydraulic hammer.
Detailed Description
Example 1: with reference to fig. 1-11. The full-automatic straightening machine comprises a frame 1 and a PLC (programmable logic controller), wherein two fixed straightening support frames 2 are arranged on a processing table surface of the frame 1, two self-moving straightening support frames 3 are arranged on the processing table surface, the two self-moving straightening support frames 3 are positioned between the two fixed straightening support frames 2 (a support frame 31 in the two self-moving straightening support frames 3 is positioned between the two fixed straightening support frames 2, and the two support frames 31 can move independently); the two sides of the processing table top are respectively provided with a 360-degree turnover fixture 4, clamping heads 47 of the two 360-degree turnover fixtures 4 are oppositely arranged, a metal rod 10 to be straightened is clamped between the two clamping heads 47, the metal rod 10 is positioned right above the two fixed straightening support frames 2, two end heads of the metal rod 10 are respectively clamped by the two clamping heads 47, a lifting mechanism 5 is respectively arranged right above the two 360-degree turnover fixtures 4, and the lifting mechanism 5 can drive the 360-degree turnover fixture 4 and the metal rod 10 to move up and down; the rear side of the frame 1 is provided with an automatic detection mechanism 6, the detection head of a displacement sensor 64 in the automatic detection mechanism 6 is opposite to the metal rod 10, and the detection head of the displacement sensor 64 can move and scan the metal rod 10 along the length direction of the metal rod 10; the lower end of the top plate 8 of the frame 1 is provided with a self-moving hydraulic hammer 7, and a hammer head 709 of the self-moving hydraulic hammer 7 is positioned right above the metal rod 10, and the self-moving hydraulic hammer 7 can move back and forth along the length direction of the metal rod 10.
The signal output end of the PLC is connected with the signal input end of the self-moving straightening support frame 3 through a data line, the signal output end of the PLC is connected with the signal input end of the 360-degree overturning clamp 4 through a data line, the signal output end of the PLC is connected with the signal input end of the lifting mechanism 5 through a data line, the signal output end of the PLC is connected with the signal input end of the self-moving hydraulic hammer 7 through a data line, the signal input end of the PLC is connected with the signal output end of the automatic detection mechanism 6 through a data line, and the signal output end of the PLC is connected with the signal input end of the automatic detection mechanism 6 through a data line; the PLC controller can process the scan data uploaded by the automatic detection mechanism 6, the PLC controller can calculate a virtual straight line of the metal rod 10 according to the uploaded data, and the PLC controller can calculate the coordinate position of the actual arch point of the metal rod 10 according to the uploaded data, that is, the PLC controller can calculate the virtual straight line of the metal rod 10 and calculate the bending of the metal rod 10 according to the uploaded data, and obtain the best shaping data of the metal rod 10.
The self-moving straightening support frame 3 is composed of two support frames 31, four rows of rollers 32, two guide rails 33, two groups of synchronous wheel assemblies 34 (the synchronous wheel assemblies 34 comprise servo motors, synchronous belts, synchronous wheels, synchronous belt wheel mounting frames and motor bases, wherein the servo motors are selected from a kernel type 60 servo motor), two synchronous belt pressing plates, two air cylinder fixing plates 36, two air cylinders 37 and two guide rail brackets 38; two air cylinder fixing plates 36 are respectively arranged on two sides of the bottom surface of the frame 1, air cylinders 37 are vertically and upwards arranged on the upper end surfaces of the air cylinder fixing plates 36, a guide rail bracket 38 is respectively arranged at the end heads of piston rods of the two air cylinders 37 through connecting pieces, two guide rails 33 are arranged between the two guide rail brackets 38, the two guide rails 33 are positioned on two sides of the table surface of the frame, namely the heights of the two guide rails 33 can be adjusted; a row of rollers 32 are respectively arranged on two sides of the lower end surface of each supporting frame 31, the supporting frames 31 are arranged between the two guide rails 33 in a concave-convex fit manner through the two rows of rollers 32 and the two guide rail bodies, the supporting frames 31 are positioned above the table top of the machine frame, namely the supporting frames 31 are arranged on the table top of the machine frame in a straddling manner, and the two supporting frames 31 are positioned between the two fixed straightening supporting frames 2; two groups of synchronous wheel assemblies 34 are transversely arranged on the rack table top, synchronous belts in the two groups of synchronous wheel assemblies 34 are arranged along the length direction of the rack table top, the synchronous belt in one group of synchronous wheel assemblies 34 is fixedly connected with the upper end face of the bottom plate corresponding to the supporting frame 31 through a synchronous belt pressing plate, the synchronous belt in the other group of synchronous wheel assemblies 34 is fixedly connected with the upper end face of the bottom plate corresponding to the supporting frame 31 through a synchronous belt pressing plate, namely, under the control of a PLC (programmable logic controller), the next group of synchronous wheel assemblies 34 drive one supporting frame 31 to move back and forth along the guide rail 33.
360 Upset anchor clamps 4 comprise mounting bracket 41, revolving platform 42, location sensor 43, sensor mounting bracket 44, four locating levers 45 (or be the equidistant four locating levers that are equipped with on the outer disc of ring cover, ring cover suit is on the outer disc of carousel 48), servo motor 46 and chuck 47, revolving platform 42 is transversely installed to the front end of mounting bracket 41, servo motor 46 is transversely installed to the rear end and servo motor 46's power take off shaft is connected through the coupling with the income power axle in the revolving platform 42, servo motor 46 selects for use benevolence 60 servo motor, chuck 47 is installed to the carousel 48 front end face of revolving platform 42 and equidistant four locating levers 45 (the contained angle between the adjacent locating levers 45 is 90) that are equipped with on the outer disc of carousel 48, location sensor 43 passes through sensor mounting bracket 44 and installs in frame 1, four locating levers 45 pass through the inductive head of location sensor 43 in proper order when carousel 48 is rotatory, location sensor 43 can hall sensor. In specific use, the two 360-degree turnover jigs 4 can be further arranged in such a way that one 360-degree turnover jig 4 is composed of a mounting frame 41, a rotary table 42, a positioning sensor 43, a sensor mounting frame 44, four positioning rods 45, a servo motor 46 and a clamping head 47, and the other 360-degree turnover jig 4 is composed of the mounting frame 41, the rotary table 42, the positioning sensor 43, the sensor mounting frame 44, the four positioning rods 45 and the clamping head 47, namely, one 360-degree turnover jig 4 is active and the other 360-degree turnover jig 4 is driven. The turntable 42 comprises a divider and a turntable, and the turntable is mounted on the output shaft of the divider.
The clamping head 47 is a C-shaped clamping plate, a plurality of screw holes 49 are formed in the upper end face of an upper plate in the C-shaped clamping plate, a plurality of screw holes 49 are formed in the upper end face of a lower plate in the C-shaped clamping plate, the screw holes 49 of the lower plate are in one-to-one communication with the screw holes 49 of the upper plate, and after the end head of the metal rod 10 is inserted into a groove of the C-shaped clamping plate, the metal rod is locked by bolts (the bolts screwed into the screw holes 49); the clamping head 47 can clamp metal rods with different lengths, so that the applicability of the straightening machine is improved; in addition, the collet 47 of this construction facilitates loading and unloading of the metal rod.
The lifting mechanism 5 is composed of a fixed plate 51, an air cylinder 52, two linear bearings 53 and two guide posts 54, the model of the air cylinder 52 is SC-63, a piston rod through hole penetrating through the upper end face and the lower end face of the fixed plate 51 is formed in the upper end face of the fixed plate 51, the air cylinder 52 is fixedly arranged at the upper end of the fixed plate 51, the end head of the piston rod of the air cylinder 52 vertically penetrates through the piston rod through hole downwards, the two guide posts 54 are fixedly arranged at the lower end of the fixed plate 51, the two guide posts 54 are located on two sides of the piston rod, and the linear bearings 53 are sleeved on the guide posts 54; during installation, the fixed plate 51 in the elevating system 5 is transversely installed between two stand 9 of frame 1 one side, the roof up end of the mounting bracket 41 in 360 upset anchor clamps 4 and the lower terminal surface fixed connection of piston rod (like two welding), open the up end of mounting bracket 41 roof has two linear bearing through-holes and installs linear bearing 53 in the linear bearing through-hole.
The automatic detection mechanism 6 is composed of a sliding block 61, a sliding rail 62 (the sliding rail 62 is a thin sliding rail), a sliding rail underframe 63, a displacement sensor 64, a servo motor 65 (the servo motor 65 is a core-in-60 servo motor), a synchronous belt 66, two synchronous belt pulleys 67, a synchronous belt pulley mounting frame 68, a motor mounting seat 69 and a pressing plate 60; a sliding rail underframe 63 is obliquely arranged between the two upright posts 9 at the rear side of the frame 1, a sliding rail 62 is transversely arranged on the sliding rail underframe 63, a sliding block 61 is arranged on the sliding rail 62, a displacement sensor 64 is arranged on the sliding block 61, or a sliding rail underframe 63 is transversely arranged between the two upright posts 9 at the rear side of the frame 1, a sliding rail 62 is transversely arranged on the sliding rail underframe 63, a sliding block 61 is arranged on the sliding rail 62, and a displacement sensor 64 is obliquely arranged on the sliding block 61; a synchronous pulley mounting frame 68 is mounted on the upright post 9 on one side of the stand 1, a motor mounting seat 69 is mounted on the upright post 9 on the other side of the stand 1, a synchronous pulley 67 is mounted in the synchronous pulley mounting frame 68 through a rotating shaft, a servo motor 65 is mounted on the motor mounting seat 69, a synchronous pulley 67 is sleeved on a power output shaft of the servo motor 65, a synchronous belt 66 is sleeved between the two synchronous pulleys 67, and the synchronous belt 66 is fixedly connected with the upper end face of the sliding block 61 through a pressing plate 60; the displacement sensor 64 can continuously scan the metal bar 10 while the slider 61 moves along the slide rail 62 and the displacement sensor 64 can upload scanned data to the PLC controller in real time. The slide rail 62 is further provided with a slide block 61, the upper end of the slide block 61 is provided with a displacement sensor 64, the upper end surface of the slide block 61 is fixedly connected with a synchronous belt 66 through a pressing plate 60, or two sides of the slide block 61 are respectively provided with a displacement sensor 64, and the interval between the two displacement sensors 64 is half of the length of the metal rod 10; such that two displacement sensors 64 can scan the metal bar 10 in segments (each displacement sensor 64 can scan a corresponding metal bar segment continuously during the movement of the slide).
The self-moving hydraulic hammer 7 is composed of a hydraulic cylinder 701, a hydraulic cylinder mounting bottom plate 702, two rows of rollers 703, two guide rails 704, two crossbeams 705, a synchronous belt pressing plate, a wire drawing sensor 707, a wire drawing plate 708, a hammer head 709, a servo motor 710 (the servo motor 710 selects a seed waiting 60 servo motor), a synchronous belt 711, two synchronous pulleys 712, a synchronous pulley mounting frame 713 and a motor seat 714; a synchronous pulley mounting frame 713 is arranged on one side of a top plate 8 of the frame 1, a motor seat 714 is arranged on the other side of the top plate 8, a synchronous pulley 712 is arranged in the synchronous pulley mounting frame 713 through a rotating shaft, a servo motor 710 is arranged on the motor seat 714, a synchronous pulley 712 is arranged on a power output shaft of the servo motor 710, and a synchronous belt 711 is sleeved between the two synchronous pulleys 712; a cross beam 705 is arranged between the two upright posts 9 at the front side of the frame 1, a guide rail 704 is arranged on the upper end face of the cross beam 705, a cross beam 705 is arranged between the two upright posts 9 at the front side of the frame 1, and a guide rail 704 is arranged on the upper end face of the cross beam 705; a row of rollers 703 are respectively arranged on two sides of the lower end surface of the hydraulic cylinder mounting base plate 702, the hydraulic cylinder mounting base plate 702 is mounted between the two guide rails 704 in a concave-convex fit manner through the two rows of rollers 703 and the two guide rail bodies, the hydraulic cylinder 701 is mounted on the lower end surface of the hydraulic cylinder mounting base plate 702 and is positioned between the two rows of rollers 703, a hammer head 709 is fixedly mounted at the end head of a piston rod of the hydraulic cylinder 701, and the synchronous belt 711 is fixedly connected with the hydraulic cylinder mounting base plate 702 through a synchronous belt pressing plate; a stay wire sensor 707 is arranged on one side of the lower end face of the hydraulic cylinder mounting bottom plate 702, a stay wire plate 708 is mounted at the end head of a piston rod of the hydraulic cylinder 701, and the stay wire plate 708 is located under a sensing head of the stay wire sensor 707. The outer circular surface of the wheel in the roller 703 is provided with an annular groove 715, the convex strips 716 at the upper end of the guide rail 704 are semicircular, the width of the convex strips 716 is matched with the width of the annular groove 715, the upper end surface of the hydraulic cylinder mounting bottom plate 702 is a plane, and the interval between the upper end surface of the hydraulic cylinder mounting bottom plate 702 and the inner top surface of the rack top plate 8 is 1mm-6mm; the depth of the annular groove 715 is greater than the distance between the upper end surface of the cylinder mounting base plate 702 and the inner top surface of the frame top plate 8. The diameter of the hydraulic cylinder body of the hydraulic cylinder 701 is larger than or equal to 80mm, and the diameter of the hydraulic cylinder body of the hydraulic cylinder 701 is preferably 100mm.
Example 2: on the basis of example 1. Firstly, clamping a metal rod 10 to be straightened between two chucks 47, then controlling an automatic detection mechanism 6 to scan the metal rod 10 by a PLC (controlling a sliding block 61 in the automatic detection mechanism 6 to move along a sliding rail 62 and continuously scanning the metal rod 10 by a displacement sensor 64 positioned on the sliding block 61 by the PLC), and uploading scanned data to the PLC for processing by the automatic detection mechanism 6 in real time (obtaining a bending point after the PLC processes the uploaded data); step two, the PLC controller controls the lifting mechanism 5 to drive the 360-degree turnover fixture 4 and the metal rod 10 to move upwards, then the PLC controller respectively controls the two self-moving straightening support frames to move so that the support frames 31 come to the appointed pivot points, and then the PLC controller controls the lifting mechanism 5 to drive the 360-degree turnover fixture 4 and the metal rod 10 to move downwards so that the lower end surface of the metal rod 10 is simultaneously contacted with the two fixed straightening support frames 2 and the two support frames 31; Thirdly, the PLC controller controls the self-moving hydraulic hammer 7 to move until the hydraulic cylinder 701 reaches the position right above the designated pressing point (the PLC controller controls the servo motor 710 in the self-moving hydraulic hammer 7 to rotate, the rotating servo motor 710 drives the synchronous belt 711 to rotate, the rotating synchronous belt 711 drives the hydraulic cylinder mounting bottom plate 702 and the hydraulic cylinder 701 to move to the position right above the pressing point of the metal rod 10 along the guide rail 704), and then the PLC controller controls the hydraulic cylinder 701 to push out the piston rod downwards to enable the hammer head 709 to impact the pressing point, so that the straightening operation is realized; Step four, the PLC controller controls the lifting mechanism 5 to drive the 360-degree turning clamp 4 and the metal rods 10 to move upwards, then the PLC controller controls the two 360-degree turning clamps 4 to rotate 90 degrees simultaneously, then the PLC controller controls the lifting mechanism 5 to drive the 360-degree turning clamp 4 and the metal rods 10 to move downwards to the original positions, the turning of the metal rods 10 is realized (the metal rods 10 are turned from the first surface to the second surface), then the step one, the step two and the step three are repeated on the metal rods 10 under the control of the PLC controller, then the PLC controller controls the lifting mechanism 5 to drive the 360-degree turning clamp 4 and the metal rods 10 to move upwards, Then the PLC controls the two 360-degree turning jigs 4 to simultaneously rotate 90 degrees, then the PLC controls the lifting mechanism 5 to drive the 360-degree turning jigs 4 and the metal rod 10 to move downwards to the original position, the turning of the metal rod 10 is realized (the metal rod 10 is turned from the second surface to the third surface), then the step I, the step II and the step III are repeated on the metal rod 10 under the control of the PLC, then the PLC controls the lifting mechanism 5 to drive the 360-degree turning jigs 4 and the metal rod 10 to move upwards, then the PLC controls the two 360-degree turning jigs 4 to simultaneously rotate 90 degrees, then the PLC controls the lifting mechanism 5 to drive the 360-degree turning jigs 4 and the metal rod 10 to move downwards to the original position, the turning of the metal rod 10 is realized (the metal rod 10 is turned from the third surface to the fourth surface), then the first, second and third steps are repeated on the metal rod 10 under the control of the PLC controller, the straightening of the metal rod 10 is realized, and then the two chucks 47 are loosened and the straightened metal rod 10 is removed.
Before the support frame 31 moves, the PLC controls the two air cylinders 37 to push out the piston rods upwards at the same time so that the two guide rails 33 are in upward contact with the rollers 32 at the lower end of the support frame 31; then the PLC controller controls a servo motor in the synchronous wheel assembly 34 to rotate, the rotating servo motor drives a synchronous belt to rotate, and the rotating synchronous belt drives the support frame 31 to a designated fulcrum; then the PLC controls the two air cylinders 37 to retract the piston rods downwards simultaneously so that the rollers 32 are separated from the guide rails 33, and the supporting frame 31 falls on the table top of the machine frame to serve as a fulcrum.
It should be understood that: although the above embodiments describe the design concept of the present invention in more detail, these descriptions are merely descriptions of the design concept of the present invention, and not limitations on the design concept of the present invention, and any combination, addition or modification not exceeding the design concept of the present invention falls within the scope of the present invention.
Claims (8)
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| KR101632422B1 (en) * | 2014-12-12 | 2016-06-21 | 주식회사 탑스코 | bending repair device of slide rail |
| KR101777409B1 (en) * | 2016-08-31 | 2017-09-13 | (주)성광기연 | apparatus for correcting deformation of pipes or fitting members |
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