CN113021055B - Multifunctional auxiliary material rack and control method thereof - Google Patents
Multifunctional auxiliary material rack and control method thereof Download PDFInfo
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- CN113021055B CN113021055B CN202110591443.2A CN202110591443A CN113021055B CN 113021055 B CN113021055 B CN 113021055B CN 202110591443 A CN202110591443 A CN 202110591443A CN 113021055 B CN113021055 B CN 113021055B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/20—Automatic control or regulation of feed movement, cutting velocity or position of tool or work before or after the tool acts upon the workpiece
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Abstract
The invention relates to a multifunctional auxiliary material rack, and belongs to the technical field of machine tool material conveying tools. This multi-functional supplementary work or material rest structure does: a plurality of groups of support columns are arranged on the material frame body at equal intervals along the length direction and are connected with the support seats; one side of a front end support column is connected with a rotating rod I through a mandrel, the upper end of each rotating rod I is connected with an upper material turning plate, the lower end of each rotating rod I is connected with a material turning linkage rod together, and the end part of the material turning linkage rod is connected with a material turning cylinder; one side of a support column at the rear end is connected with a rotating rod II through a mandrel, the top of each rotating rod II is connected with a carrier roller, the lower ends of the rotating rods II are connected with a carrier roller linkage rod together, the bottom of the carrier roller linkage rod is provided with a transmission rod, an electric cylinder is movably connected to a material frame body through a positioning seat, and the electric cylinder is transmitted through a servo motor; and a transmission motor is arranged on the material rack body and used for controlling the connection of rotating shafts of the carrier rollers. This multi-functional supplementary work or material rest can realize treating lifting, upset and the conveying of processing pipe fitting, and degree of automation is high, saves a large amount of manpower and materials.
Description
Technical Field
The invention relates to a multifunctional auxiliary material rack and a control method thereof, and belongs to the technical field of machine tool material conveying tools.
Background
In numerical control processing, materials are generally fed manually or by a manipulator. But in carrying out numerical control processing to the longer pipe fitting of length, the material, length and the diameter of pipe fitting are various, and manual loading and unloading must be responsible for with the help of lifting device, and loading and unloading process respectively needs two people to be responsible for, not only wastes time and energy inefficiency, has the safety risk moreover. In addition, when the machine tool is used for processing the ultra-long pipe fitting, the unprocessed part of the pipe fitting can be suspended outside the machine tool, the pipe fitting is bent to generate deflection deformation, and the processing precision of the machine tool is seriously influenced.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the multifunctional auxiliary material rack and the control method thereof, the multifunctional auxiliary material rack can realize lifting, overturning and conveying of the pipe fitting to be processed, the automation degree is high, and a large amount of manpower and material resources are saved.
In order to solve the above problems, the specific technical scheme of the invention is as follows: a multifunctional auxiliary material rack is characterized in that a plurality of groups of support columns are equidistantly arranged on a material rack body along the left and right length directions, the number of the support columns in each group is two, the support columns are located at the front end and the rear end of the material rack body, the tops of the two support columns in each group are jointly connected with a support seat, and a V-shaped groove is formed in the support seat; one side of a support column at the front end is movably connected with the middle part of a rotating rod I through a mandrel, the upper end of each rotating rod I is respectively connected with an upper material turning plate, the lower end of each rotating rod I is commonly connected with a material turning linkage rod, and the end part of the material turning linkage rod is connected with a material turning cylinder; one side of a support column at the rear end is movably connected with the middle part of a rotating rod II through a mandrel, the top of each rotating rod II is respectively connected with a carrier roller, the lower ends of the rotating rods II are jointly connected with a carrier roller linkage rod, the bottom of the carrier roller linkage rod is provided with a transmission rod, an electric cylinder is movably connected on a material frame body through a positioning seat, one end of the electric cylinder is connected with a servo motor, and the other end of the electric cylinder is movably connected with the bottom of the transmission rod through a spring buffer; the material rack body is provided with a transmission motor, and the transmission motor is connected with the rotating shafts of the carrier rollers through a chain transmission device.
The chain transmission device is structurally characterized in that a connecting rod II consists of an upper bent arm and a lower bent arm which are fixedly connected in an obtuse angle mode, a chain wheel chain group I is arranged at the side end of the upper bent arm, a chain wheel chain group II is arranged on the lower bent arm, a chain wheel chain group III is arranged between the bottoms of every two adjacent lower bent arms, and an output shaft of a transmission motor is connected with the first chain wheel chain group III through a main chain wheel chain; and a carrier roller is arranged at the top of the upper bent arm of each connecting rod II, and the carrier roller and a chain wheel at the top of the chain wheel and chain set I are coaxially arranged.
The width of the feeding turning plate is larger than the width of the material support body and is consistent, the pipe fitting contact surface of the feeding turning plate is an inclined plane with an angle of 2 degrees, the inclined direction of the inclined plane is consistent with the movement direction of feeding or discharging of a pipe fitting to be processed, a limiting table is arranged at the end part of the pipe fitting contact surface, and one end of the feeding turning plate, which is far away from the limiting table, extends out of the material support body.
The two multifunctional auxiliary material racks are respectively positioned at a feeding port and a discharging port of the numerical control machine tool, and the transmission direction of the carrier roller is consistent with the feeding and discharging direction of the machine tool; when a feeding turning plate of the multifunctional auxiliary material rack positioned at a feeding port of the numerical control machine tool is used as a feeding mechanism, a 2-degree inclined plane of a pipe fitting contact surface is inclined towards the direction of the limiting table; when the feeding turning plate of the multifunctional auxiliary material rack positioned at the discharge port of the numerical control machine tool is used as a discharging mechanism, the 2-degree inclined plane of the pipe fitting contact surface extends out of the end of the material rack body to incline towards the feeding turning plate.
The edge of the V-shaped groove is provided with roller pin rollers which are symmetrically arranged, and the roller pin rollers are tangent to the outer circumference of the pipe fitting to be processed in the V-shaped groove.
The end part of the material frame body is provided with a support, and a code scanner is arranged on the support.
The structure of the auxiliary support device comprises a support column, a movable seat is arranged above the support column, the upper surface of the movable seat is V-shaped, and universal balls are symmetrically arranged on the V-shaped surface; two symmetrical supporting cylinders are arranged below the supporting plate, and piston rods of the supporting cylinders penetrate through the supporting plate and are connected with the bottom surface of the moving seat; the bottom surface of the moving seat is provided with a positioning guide rod which is positioned in the middle of the two supporting cylinders, and the bottom of the positioning guide rod penetrates through the supporting plate to be connected with the thread adjusting column.
And a sensor for sensing the pipe fitting to be processed is arranged on the supporting column adjacent to each universal rolling ball auxiliary supporting device.
The method for conveying the pipe fitting to be processed by adopting the multifunctional auxiliary material rack comprises the following steps:
the first step is as follows: starting an NC machining program, calling and executing an NC synchronous program at the head of the NC machining program, wherein the NC machining program and the NC synchronous program run simultaneously, the NC machining program is executed according to a time sequence, and the NC synchronous program is used as a background program of the NC machining program and is triggered and executed according to conditions;
the second step is as follows: when a sensor on an external conveyor belt judges that a pipe fitting to be machined is to be machined, the pipe fitting to be machined is transferred to a multifunctional auxiliary material rack at the inlet of a numerical control machine tool, an NC machining program executes overturning material receiving, a material loading turning plate is controlled through an M66/M67 code instruction to drive a material overturning linkage lever to move through a material overturning air cylinder, the material loading turning plate is lifted to the T highest position, the pipe fitting to be machined is separated from the external conveyor belt and reaches the M loading and unloading position of the material loading turning plate, the pipe fitting to be machined rolls to the N machining position along a 2-degree inclined plane and is stopped by a limiting table, the material loading turning plate reversely acts through the material overturning air cylinder, the material loading turning plate falls to the S initial position, the pipe fitting to be machined is guided into a supporting seat, and the pipe fitting to be machined is translated to the multifunctional auxiliary material rack from the external conveyor belt;
the third step: the NC machining program pauses to wait for the code scanning function to be executed, the quality testing personnel manually rotate the pipe to be machined to enable the two-dimensional code on the outer wall of the pipe to be machined to be aligned with the code scanner, the code scanner is started to identify the two-dimensional code on the pipe to be machined, the two-dimensional code information is transmitted to the upper computer management system, the upper computer management system generates related technical parameters such as the diameter, the length and the lifting height of the carrier roller of the pipe according to the code scanning information, the diameter and the length of the pipe are transmitted to the NC machining program for subsequent machining of the pipe to be machined in a machine tool, meanwhile, the lifting height of the carrier roller is transmitted to the NC synchronous program, the NC machining program continues to be executed in sequence, and pointer;
the fourth step: the NC synchronous program receives the pointer parameters and the lifting height parameters of the carrier roller, and the servo shaft lifting system drives the servo motor to drive the transmission rod to move according to the lifting height parameters, so that the carrier roller linkage bar drives the connecting rod II to rotate, the carrier roller lifts the pipe to be processed to the central position of a feeding port of the numerical control machine, and the pointer parameters are changed after the pipe to be processed is lifted;
the fifth step: after receiving the pointer parameters, the NC machining program controls a transmission motor to provide power through an M86 code instruction, drives a carrier roller to rotate through a chain transmission device, sends the pipe fitting to be machined into a clamp in the numerical control machine, and changes the pointer parameters after confirming the completion of the action through an in-place switch;
a sixth step: the NC synchronous program receives the pointer parameters and simultaneously triggers a sensor nearby the universal rolling ball auxiliary supporting device to sense whether a pipe fitting to be processed has a signal, when the signal exists, the NC synchronous program controls the universal rolling ball auxiliary supporting device to lift and support the pipe fitting to be processed through an M62 code instruction, and the servo motor drives the carrier roller to fall down through the transmission rod; then in the execution process of the NC machining program, the NC synchronous program can set sensing whether a pipe fitting to be machined exists or not near the universal rolling ball auxiliary supporting device is triggered each time, when a signal exists, the universal rolling ball auxiliary supporting device is controlled to lift and support the pipe fitting to be machined through an M62 code instruction, when the signal disappears, the universal rolling ball auxiliary supporting device is controlled to fall through an M63 code instruction, and pointer parameters are changed after the NC machining program is completed;
the seventh step: the NC synchronous program receives the pointer parameters, the servo motor drives the transmission rod to lift the carrier roller to the central position of the numerical control machine, the NC machining program controls a clamp and a servo shaft of the numerical control machine to send the machined pipe fitting out of the machine tool, and the pointer parameters are changed;
an eighth step: the NC machining program controls a transmission motor to provide power through an M88 code instruction, drives a carrier roller to rotate through a chain transmission device, completely transmits a machined pipe fitting out of the interior of the numerical control machine tool to a multifunctional auxiliary material rack at the outlet of the machine tool, and then drops the carrier roller and changes pointer parameters;
a ninth step: the NC machining program controls the turning material receiving system to start through an M68/M69 code instruction, the material loading turning plate is lifted to the highest T position, the machined pipe fitting falls into the N machining position of the material loading turning plate, the machined pipe fitting rolls to the M loading and unloading position along the slope surface and falls onto an external conveyor belt, and finally the material loading turning plate (15) falls to the S initial position to complete the unloading work.
The utility model provides a multi-functional supplementary work or material rest drives material loading and turns over plate structure through bull stick I and realizes waiting to process the material loading and the upset of pipe fitting, connect the bearing roller through bull stick II and realize waiting to process the lifting of pipe fitting to it is rotatory to utilize transmission to make the bearing roller, realizes waiting to process the transport of pipe fitting, at loading and unloading process, personnel only are responsible for two-dimensional code information scanning on the pipe fitting, reduce the safety risk in personnel intensity of labour and the work, pipe fitting loading process accuracy improves the precision of machine tool machining more fast.
Except realizing corresponding pipe fitting transportation function, possess simultaneously and carry out the function of universal spin auxiliary stay at the both ends of feeding and the ejection of compact to overlength pipe fitting, eliminated the error that the bending deformation of overlength pipe fitting produced the amount of deflection.
Drawings
Fig. 1 is a schematic structural view of the multifunctional auxiliary rack.
Fig. 2 is a top view of the multifunctional auxiliary stack.
Fig. 3-1 is a sectional view of the multifunctional auxiliary rack when the loading turning plate is located at the S initial position.
Fig. 3-2 is a sectional view of the multifunctional auxiliary rack when the loading turning plate is located at the highest position of T.
FIG. 4 is a perspective view of the universal ball auxiliary supporting device.
FIG. 5 is a front view of the universal ball auxiliary support device.
Fig. 6 is a functional diagram of a control program of the multifunctional auxiliary material rack.
Detailed Description
As shown in fig. 1, fig. 2 and fig. 3-1, a multifunctional auxiliary material rack is characterized in that a plurality of groups of support columns 2 are equidistantly arranged on a material rack body 1 along the length direction, the number of the support columns 2 in each group is two, the support columns are arranged at the front end and the rear end of the material rack body 1, the top of each group of the two support columns 2 is commonly connected with a support seat 3, a V-shaped groove 3-1 is arranged on the support seat 3, roller rollers 3-2 which are symmetrically arranged are arranged at the edge of the V-shaped groove 3-1, the roller rollers 3-2 are tangent to the outer circumference of a pipe to be processed in the V-shaped groove 3-1, and the support columns 2 are used for supporting the pipe to be processed when the pipe to be processed is in a static state.
One side of a support column 2 at the front end is movably connected with the middle part of a rotating rod I17 through a mandrel 16, the upper end of each rotating rod I17 is respectively connected with a feeding turning plate 15, the angles of all the feeding turning plates 15 are consistent, the width of each feeding turning plate 15 is larger than that of a stock frame body 1, the pipe fitting contact surface 15-2 of each feeding turning plate 15 is an inclined surface with an angle of 2 degrees, the inclined direction of the inclined surface is consistent with the movement direction of feeding or discharging of a pipe fitting to be processed, a limiting table 15-1 is arranged at the end part of the pipe fitting contact surface 15-2, and one end, far away from the limiting table 15-1, of each feeding turning plate (15) extends out of the stock frame; as shown in fig. 3-2, the position of the pipe to be processed on the loading turning plate 15, which is close to the limiting table 15-1, is an N processing position, which corresponds to the position of the V-shaped groove 3-1, and the position of the pipe to be processed, which is far from the limiting table 15-1, is an M loading and unloading position, which is in butt joint with an external conveyor belt; the two multifunctional auxiliary material racks are respectively positioned at a feeding port and a discharging port of the numerical control machine tool, and the transmission direction of the carrier roller 20 is consistent with the feeding and discharging direction of the machine tool; when a feeding turnover plate 15 of the multifunctional auxiliary material rack positioned at a feeding port of the numerical control machine tool is used as a feeding mechanism, a 2-degree inclined plane of a pipe fitting contact surface 15-2 inclines towards the direction of a limiting table 15-1; when the loading turning plate 15 is used as a discharging mechanism, the 2-degree inclined plane of the pipe fitting contact surface 15-2 inclines towards the end of the loading turning plate 15 extending out of the discharging frame body 1. The lower end of each rotating rod I17 is connected with a stirring linkage rod 9, and the end part of each stirring linkage rod 9 is connected with a stirring cylinder 18; the material turning cylinder moves back and forth, a piston rod of the material turning cylinder drives the material turning linkage rod 9 to translate back and forth, so that the rotating rod I17 rotates to drive the material loading turning plate 15 to rotate, the material loading turning plate 15 is located at an S initial position lower than the V-shaped groove 3-1 of the support column 2, when the material loading turning plate 15 is located at the S initial position, the material loading turning plate is not in contact with a pipe to be processed, and the pipe to be processed is directly seated in the V-shaped groove 3-1; the feeding turning plate 15 rotates to reach the highest position T, the highest position T is used for being connected with an external conveyor belt, and when the feeding turning plate 15 reaches the highest position T, a pipe to be processed can move along the inclined plane of the feeding turning plate 15, so that feeding or discharging is achieved.
One side of the rear end support column is movably connected with the middle part of a rotating rod II 19 through a mandrel 16, the connecting rod II 19 consists of an upper bent arm and a lower bent arm, and the upper bent arm and the lower bent arm are fixedly connected in an obtuse angle; the top of each rotating rod II 19 is respectively connected with a carrier roller 20, the lower ends of the rotating rods II 19 are jointly connected with a carrier roller linkage rod 8, a transmission rod 21 is arranged at the bottom of the carrier roller linkage rod 8, an electric cylinder 10 is movably connected to the material rack body 1 through a positioning seat, one end of the electric cylinder 10 is connected with a servo motor 7, the other end of the electric cylinder 10 is movably connected with the bottom of the transmission rod 21 through a spring buffer 11, and the spring buffer 11 plays a role in buffering and avoids the electric cylinder 10 from being impacted; the material rack 1 is provided with a transmission motor 12, and the transmission motor 12 is connected with the rotating shaft of each carrier roller 20 through a chain transmission device. The chain transmission device is structurally characterized in that a chain wheel chain group I19-1 is arranged at the side end of an upper bent arm, a chain wheel chain group II 19-2 is arranged on a lower bent arm, a chain wheel chain group III 19-3 is arranged between the bottoms of every two adjacent lower bent arms, and an output shaft of a transmission motor 12 is connected with a first chain wheel chain group III 19-3 through a main chain wheel chain 13; and the top of the upper bent arm of each connecting rod II 19 is respectively provided with a carrier roller 20, and the carrier rollers 20 are coaxially arranged with the chain wheels at the top of the chain wheel and chain set I19-1. The servo motor 7 controls the electric cylinder 10 to act and drives the transmission rod 21 to act, so that the carrier roller linkage rod 8 is driven to move in a translation mode, the rotating rod II 19 rotates, the carrier roller 20 is located at an E initial position lower than the V-shaped groove 3-1 of the support column 2, the E initial position is also a non-working position, the carrier roller 20 is guaranteed not to be in contact with a pipe to be machined, and the pipe to be machined is directly seated in the V-shaped groove 3-1; when the carrier roller 20 works, the carrier roller rises to an F processing position reached by the technical requirement according to the diameter of a pipe fitting to be processed, the position of a central shaft of the F processing position is consistent with the position of an axis of a feeding port clamp of a numerical control machine tool, and feeding accuracy is guaranteed.
The end of the material rack body 1 is provided with a support, the support is provided with a code scanner 5, so that the parameters of the pipe fitting can be automatically input conveniently, and the efficiency of loading and unloading the pipe fitting to be processed is effectively improved.
More than one group of universal rolling ball auxiliary supporting devices 4 are arranged between the middle part of the material rack 1 and a feeding port or a discharging port of a numerical control machine tool, as shown in fig. 4 and 5, the structure of the universal rolling ball auxiliary supporting device comprises a supporting plate 45 arranged on the supporting column 4, a moving seat 41 is arranged above the supporting plate 45, the upper surface of the moving seat 41 is V-shaped, and universal balls 43 are symmetrically arranged on the V-shaped surface; two symmetrical supporting cylinders 44 are arranged below the supporting plate 45, and piston rods of the supporting cylinders 44 penetrate through the supporting plate 45 and are connected with the bottom surface of the moving seat 41; a positioning guide rod 42 is arranged on the bottom surface of the movable seat 41, the positioning guide rod 42 is positioned in the middle of two supporting air cylinders 44, and the bottom of the positioning guide rod 42 penetrates through a supporting plate 45 and is connected with a threaded adjusting column 46. Because length overlength when waiting to process the pipe fitting in the course of working, the pipe fitting of waiting to process that is located the lathe both sides can produce certain amount of deflection, for the emergence of avoiding this phenomenon, starts universal spin auxiliary stay device 4, supports the pipe fitting of waiting to process of both sides, guarantees the machining precision of part. A sensor for sensing the pipe fitting to be processed is arranged on the supporting column 2 adjacent to each universal rolling ball auxiliary supporting device 4.
The method for conveying the pipe fitting to be processed by adopting the multifunctional auxiliary material rack comprises the following steps:
the first step is as follows: as shown in fig. 6, the NC machining program is started, and an NC synchronization program is called and executed at the head of the NC machining program, where the NC machining program and the NC synchronization program run simultaneously, the NC machining program is executed in time sequence, and the NC synchronization program is triggered and executed as a background program of the NC machining program according to conditions;
the second step is as follows: when a sensor on the external conveying belt judges that a pipe to be processed is to be processed, the pipe to be processed is transferred to a multifunctional auxiliary material rack at the entrance of a numerical control machine tool, an NC processing program executes an M66 code instruction to realize that a material turning cylinder 18 extends out, a material loading turning plate 15 is controlled to be lifted to the highest T position, the pipe to be processed is separated from the external conveying belt and reaches the loading and unloading position of the material loading turning plate 15M, the pipe to be processed rolls to the N processing position along a 2-degree inclined plane and is stopped by a limiting table, the NC processing program executes an M67 code instruction, the material turning cylinder 18 returns to enable the material loading turning plate 15 to fall to the S initial position, the pipe to be processed is guided into a supporting seat 3, and the pipe to be processed is translated to the multifunctional auxiliary material rack from an external line conveying belt;
the third step: the NC machining program pauses to finish the code scanning function, the pipe to be machined is manually rotated, the two-dimensional code 6 on the outer wall of the pipe to be machined is aligned to the code scanner 5, the code scanner is started to identify the two-dimensional code on the pipe to be machined, the two-dimensional code information is transmitted to an upper computer management system, the upper computer generates technical parameters related to the diameter and the length of the pipe to be machined and the lifting height of the carrier roller according to the code scanning information, the diameter and the length of the pipe to be machined are transmitted to the NC machining program for subsequent actions of the pipe to be machined in a machine tool, meanwhile, the lifting height of the carrier roller is transmitted to the NC synchronous program, the NC machining program continues to be sequentially executed, and pointer parameters are changed;
the fourth step: the NC synchronous program receives the pointer parameters and the lifting height parameters of the carrier roller, and the machine tool driving system controls the servo motor 7 to drive the transmission rod 21 to move according to the lifting height parameters, so that the carrier roller linkage rod 8 drives the connecting rod II 19 to rotate, the carrier roller 20 lifts the pipe to be processed to the central position of a feeding port of the numerical control machine tool, and the pointer parameters are changed after the pipe to be processed is lifted;
the fifth step: after the NC machining program receives the pointer parameters, executing an M86 code instruction to control the transmission motor 12 to rotate forwards, driving the carrier roller 20 to rotate through the chain transmission device, conveying the pipe fitting to be machined into a clamp in the numerical control machine tool, and changing the pointer parameters after the completion of the action is confirmed through the in-place switch;
a sixth step: the NC synchronous program receives the pointer parameters and simultaneously triggers a sensor nearby the universal rolling ball auxiliary supporting device 4 to sense whether a pipe fitting to be processed has a signal, when the signal exists, the NC synchronous program executes an M62 code instruction to control the universal rolling ball auxiliary supporting device 4 to lift and support the pipe fitting to be processed, and the servo motor 7 drives the carrier roller 20 to return to the E-falling position through the transmission rod 21; then in the execution process of the NC machining program, the NC synchronous program executes an M62 code instruction to control the universal rolling ball auxiliary supporting device 4 to lift and support a pipe to be machined when a signal is sent by a sensor of the pipe arranged near the universal rolling ball auxiliary supporting device 4 every time, and executes an M63 code instruction to control the universal rolling ball auxiliary supporting device 4 to descend when the signal disappears, and after the NC machining program is finished, an auxiliary material rack at the discharge port of the machine tool senses the pipe to be machined and changes the parameters of a pointer;
a seventh step of: the NC synchronous program receives the pointer parameters, the servo motor 7 drives the transmission rod 21 to lift the carrier roller 20 to the central position of the numerical control machine, the NC machining program controls a clamp and a servo shaft of the numerical control machine to send the machined pipe fitting out of the machine tool, and the pointer parameters are changed;
an eighth step: the NC machining program controls the transmission motor 12 to provide power through an M88 code instruction, drives the carrier roller 20 to rotate through the chain transmission device, completely transmits the machined pipe fitting out of the numerical control machine tool to the multifunctional auxiliary material rack at the outlet of the machine tool, and then drops the carrier roller 20 and changes the pointer parameter;
a ninth step: the NC machining program controls the turning receiving system to start through an M68 code instruction, the loading turning plate 15 is lifted to the T highest position, the machined pipe fitting falls into the N machining position of the loading turning plate 15 and rolls to the M loading and unloading position along the slope surface, and the machined pipe fitting falls onto an external conveyor belt for subsequent machining; the NC processing program controls the loading flap 15 to return to the S initial position by means of the M69 code commands.
The specific steps corresponding to the M code in the above method are as follows:
Claims (7)
1. the utility model provides a multi-functional supplementary work or material rest which characterized in that: a plurality of groups of supporting columns (2) are arranged on the material frame body (1) at equal intervals along the left and right length directions, the number of the supporting columns (2) in each group is two, the supporting columns are positioned at the front end and the rear end of the material frame body (1), the top of each group of two supporting columns (2) is commonly connected with a supporting seat (3), and a V-shaped groove (3-1) is arranged on the supporting seat (3); one side of a support column (2) at the front end is movably connected with the middle part of a rotating rod I (17) through a mandrel (16), the upper end of each rotating rod I (17) is respectively connected with an upper material turning plate (15), the lower end of each rotating rod I (17) is commonly connected with a material turning linkage rod (9), and the end part of the material turning linkage rod (9) is connected with a material turning cylinder (18); one side of a support column (2) at the rear end is movably connected with the middle parts of rotating rods II (19) through a mandrel (16), the top of each rotating rod II (19) is connected with a carrier roller (20), the lower ends of the rotating rods II (19) are connected with a carrier roller linkage rod (8) together, a transmission rod (21) is arranged at the bottom of the carrier roller linkage rod (8), an electric cylinder (10) is movably connected onto a material rack body (1) through a positioning seat, one end of the electric cylinder (10) is connected with a servo motor (7), and the other end of the electric cylinder is movably connected with the bottom of the transmission rod (21) through a spring buffer (11); a transmission motor (12) is arranged on the material frame body (1), and the transmission motor (12) is connected with the rotating shaft of each carrier roller (20) through a chain transmission device; the width of the feeding turning plate (15) is larger than that of the material frame body (1), a pipe fitting contact surface (15-2) of the feeding turning plate (15) is an inclined surface with an angle of 2 degrees, the inclined direction of the inclined surface is consistent with the movement direction of feeding or discharging of a pipe fitting to be processed, a limiting table (15-1) is arranged at the end part of the pipe fitting contact surface (15-2), and one end, far away from the limiting table (15-1), of the feeding turning plate (15) extends out of the material frame body (1); more than one group of universal rolling ball auxiliary supporting devices (4) are arranged between the middle part of the material rack body (1) and a feeding port or a discharging port of a numerical control machine tool, the structure of the universal rolling ball auxiliary supporting device comprises a supporting plate (45) arranged on a supporting column (2), a moving seat (41) is arranged above the supporting plate (45), the upper surface of the moving seat (41) is V-shaped, and universal balls (43) are symmetrically arranged on the V-shaped surface; two symmetrical supporting cylinders (44) are arranged below the supporting plate (45), and piston rods of the supporting cylinders (44) penetrate through the supporting plate (45) to be connected with the bottom surface of the moving seat (41); the bottom surface of the moving seat (41) is provided with a positioning guide rod (42), the positioning guide rod (42) is positioned in the middle of the two supporting cylinders (44), and the bottom of the positioning guide rod (42) penetrates through the supporting plate (45) to be connected with a thread adjusting column (46).
2. The multi-functional auxiliary stack of claim 1, characterized in that: the chain transmission device is structurally characterized in that a connecting rod II (19) consists of an upper bent arm and a lower bent arm which are fixedly connected in an obtuse angle mode, a chain wheel chain group I (19-1) is arranged at the side end of the upper bent arm, a chain wheel chain group II (19-2) is arranged on the lower bent arm, a chain wheel chain group III (19-3) is arranged between the bottoms of every two adjacent lower bent arms, and an output shaft of a transmission motor (12) is connected with the first chain wheel chain group III (19-3) through a main chain wheel chain (13); and the top of the upper bent arm of each connecting rod II (19) is respectively provided with a carrier roller (20), and the carrier rollers (20) and the chain wheels at the top of the chain wheel chain set I (19-1) are coaxially arranged.
3. The multi-functional auxiliary stack of claim 1, characterized in that: the two multifunctional auxiliary material racks are respectively positioned at a feeding port and a discharging port of the numerical control machine tool, and the transmission direction of the carrier roller (20) is consistent with the feeding and discharging direction of the machine tool; a feeding turnover plate (15) of the multifunctional auxiliary material rack positioned at a feeding port of the numerical control machine tool is used as a feeding mechanism, and a 2-degree inclined plane of a pipe fitting contact surface (15-2) inclines towards the direction of a limiting table (15-1); a feeding turning plate (15) of the multifunctional auxiliary material rack positioned at a discharge port of the numerical control machine tool is used as a discharging mechanism, and a 2-degree inclined plane of a pipe fitting contact surface (15-2) inclines towards the end, extending out of the material rack body (1), of the feeding turning plate (15).
4. The multi-functional auxiliary stack of claim 1, characterized in that: the edge of the V-shaped groove (3-1) is provided with roller pin rollers (3-2) which are symmetrically arranged, and the roller pin rollers (3-2) are tangent to the outer circumference of the pipe fitting to be processed in the V-shaped groove (3-1).
5. The multi-functional auxiliary stack of claim 1, characterized in that: the end part of the material frame body (1) is provided with a support, and the support is provided with a code scanner (5).
6. The multi-functional auxiliary stack of claim 1, characterized in that: and a sensor for sensing the pipe fitting to be processed is arranged on the supporting column (2) adjacent to each universal rolling ball auxiliary supporting device (4).
7. Method for transporting a tubular item to be processed using a multi-functional auxiliary stack according to any one of claims 1 to 6, characterized in that it comprises the following steps:
the first step is as follows: starting an NC machining program, calling and executing an NC synchronous program at the head of the NC machining program, wherein the NC machining program and the NC synchronous program run simultaneously, the NC machining program is executed according to a time sequence, and the NC synchronous program is used as a background program of the NC machining program and is triggered and executed according to conditions;
the second step is as follows: when a sensor on an external conveyor belt judges that a pipe fitting to be machined is to be machined, the pipe fitting to be machined is transferred to a multifunctional auxiliary material rack at the entrance of a numerical control machine tool, an NC machining program executes overturning material receiving, a material loading turning plate (15) is controlled to drive a material overturning linkage lever (9) to move through a material overturning air cylinder (18) through a code instruction, the material loading turning plate (15) is lifted to the highest position T, the pipe fitting to be machined is separated from the external conveyor belt and reaches the M loading and unloading position of the material loading turning plate (15), the pipe fitting to be machined rolls to the N machining position along a 2-degree inclined plane and is stopped by a limiting table, the material loading turning plate (15) reversely acts through the material overturning air cylinder (18), the material loading turning plate (15) falls to the S initial position, the pipe fitting to be machined is guided into a supporting seat (3), and the pipe fitting to be machined is translated to the multifunctional auxiliary material rack from the external conveyor belt;
the third step: the NC machining program suspends the execution of the code scanning function, quality testing personnel manually rotate the pipe to be machined to enable the two-dimensional code (6) on the outer wall of the pipe to be machined to be aligned to the code scanner (5), the code scanner is started to identify the two-dimensional code on the pipe to be machined, the two-dimensional code information is transmitted to an upper computer management system, the upper computer management system generates relevant technical parameters such as the diameter and the length of the pipe and the lifting height of a carrier roller according to the code scanning information, the diameter and the length of the pipe are transmitted to the NC machining program for the subsequent machining of the pipe to be machined in a machine tool, the lifting height of the carrier roller is transmitted to the NC synchronous program, the NC machining program continues to be sequentially executed, and pointer parameters are changed to wait for;
the fourth step: the NC synchronous program receives the pointer parameters and the lifting height parameters of the carrier roller, the servo shaft lifting system drives the servo motor (7) to drive the transmission rod (21) to move according to the lifting height parameters, so that the carrier roller linkage bar (8) drives the connecting rod II (19) to rotate, the carrier roller (20) lifts the pipe to be machined to the central position of a feeding port of the numerical control machine tool, and the pointer parameters are changed after the pipe to be machined is lifted;
the fifth step: after receiving the pointer parameters, the NC machining program controls a transmission motor (12) to provide power through a code instruction, drives a carrier roller (20) to rotate through a chain transmission device, sends the pipe fitting to be machined into a clamp in the numerical control machine tool, and changes the pointer parameters after confirming the completion of the action through an in-place switch;
a sixth step: the NC synchronous program receives the pointer parameters and simultaneously triggers a sensor nearby the universal rolling ball auxiliary supporting device (4) to sense whether a signal exists on the pipe to be processed, when the signal exists, the NC synchronous program controls the universal rolling ball auxiliary supporting device (4) to lift and support the pipe to be processed through a code instruction, and the servo motor (7) drives the carrier roller (20) to fall through the transmission rod (21); then in the execution process of the NC machining program, the NC synchronous program can set a sensor near the universal rolling ball auxiliary supporting device (4) to sense whether a pipe fitting to be machined exists or not every time, when a signal exists, the universal rolling ball auxiliary supporting device (4) is controlled to be lifted and supported by the pipe fitting to be machined through a code instruction, when the signal disappears, the universal rolling ball auxiliary supporting device (4) is controlled to be lowered through the code instruction, and pointer parameters are changed after the NC machining program is completed;
the seventh step: the NC synchronous program receives the pointer parameters, the servo motor (7) drives the transmission rod (21) to lift the carrier roller (20) to the central position of the numerical control machine, the NC machining program controls a clamp and a servo shaft of the numerical control machine to send the machined pipe fitting out of the machine tool, and the pointer parameters are changed;
an eighth step: the NC machining program controls a transmission motor (12) to provide power through a code instruction, drives a carrier roller (20) to rotate through a chain transmission device, completely transmits a machined pipe fitting out of the numerical control machine tool to a multifunctional auxiliary material rack at the outlet of the machine tool, and then drops the carrier roller (20) and changes pointer parameters;
a ninth step: NC processing program controls the start of the turnover material receiving system through a code instruction, the material loading turning plate (15) is lifted to the T highest position, the processed pipe fitting falls into the N processing position of the material loading turning plate (15), the processed pipe fitting rolls to the M loading and unloading position along the slope surface and falls onto an external conveyor belt, and finally the material loading turning plate (15) falls to the S initial position to complete the unloading work.
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| JP2002102965A (en) * | 2000-09-25 | 2002-04-09 | Hitachi Zosen Corp | Driving device for feed bar in transfer equipment |
| CN206588675U (en) * | 2017-03-09 | 2017-10-27 | 杭州精卫特机床有限公司 | Long bar fixed length conveying and collection device |
| CN207615852U (en) * | 2017-12-07 | 2018-07-17 | 浙江三基钢管有限公司 | A kind of plasma fracture equipment |
| CN210081280U (en) * | 2019-06-25 | 2020-02-18 | 山东聊城中钢联金属制造有限公司 | Buffering formula stirring hook device |
| CN210281560U (en) * | 2019-07-05 | 2020-04-10 | 江苏扬力数控机床有限公司 | Automatic feeding device for ultra-long pipe fittings |
| CN210504243U (en) * | 2019-07-11 | 2020-05-12 | 河南永益同丰智能科技有限公司 | Automatic sizing and turning conveying platform |
| CN210592809U (en) * | 2019-08-19 | 2020-05-22 | 成都顺利华自动化设备有限公司 | Quick material turning frame |
| CN111792340A (en) * | 2020-07-24 | 2020-10-20 | 合肥骁武自动化科技有限公司 | Automatic feeding device for pipe cutting machine |
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