CN113369319B - V-shaped disc drawing machine - Google Patents
V-shaped disc drawing machine Download PDFInfo
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- CN113369319B CN113369319B CN202110772534.6A CN202110772534A CN113369319B CN 113369319 B CN113369319 B CN 113369319B CN 202110772534 A CN202110772534 A CN 202110772534A CN 113369319 B CN113369319 B CN 113369319B
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- swing arm
- shaped disc
- pipe
- stretching
- compensation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/02—Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/02—Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums
- B21C1/14—Drums, e.g. capstans; Connection of grippers thereto; Grippers specially adapted for drawing machines or apparatus of the drum type; Couplings specially adapted for these drums
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- Mechanical Engineering (AREA)
- Metal Extraction Processes (AREA)
Abstract
The V-shaped disc stretcher comprises a feeding part, a first stretching part, a traction part and a second stretching part, wherein the first stretching part is provided with a first stretching die holder, a first V-shaped disc, a jaw assembly and a pressure pipe assembly; the first V-shaped disc is horizontally arranged and provided with a V-shaped first pipe winding groove, the first stretching die holder is provided with an input port I, the jaw assembly is fixed on the first V-shaped disc, and the pipe pressing assembly is provided with a material pressing roller; the second stretching component is provided with a second stretching die holder, a second V-shaped disc, a jaw assembly and a pressing pipe assembly; the second V-shaped disc is horizontally arranged and provided with a V-shaped second pipe winding groove, the second stretching die holder is provided with an input port II, the jaw assembly is fixed on the second V-shaped disc, the pipe pressing assembly is provided with a plurality of pressing rollers distributed around the second V-shaped disc, and the pipe fitting is input through the input port II of the second stretching die holder and then is wound along with the second V-shaped disc and then is output; the axes of the inlet I and the inlet II are perpendicular to each other. The invention can improve the pipe fitting stretching efficiency.
Description
Technical Field
The invention belongs to the technical field of pipe fitting stretching, and particularly relates to a V-shaped disc stretcher.
Background
When producing long pipes, the thick and short pipes are generally produced firstly, the process of producing pipe blanks is shortened, then the pipes are drawn by using a drawing machine, the thin and long pipes are produced, and the length of the pipes can be greatly prolonged.
At present, the common technique adopted in the copper pipe processing industry is to draw a rolled copper pipe through a cam type double-tandem drawing unit, or directly draw the copper pipe through a disc drawing unit, or draw the copper pipe through a single-tandem drawing unit and then draw the copper pipe through the disc drawing unit. The copper pipe is directly coiled and pulled after being pulled by the cam type double-series drawing unit according to the two layout modes, the diameter of the copper pipe is larger in the first-time stretching, and the coiling and pulling force is limited to only operate at a low speed, so that the advantage that the copper pipe cannot be drawn out of the coiling and pulling unit is reflected; and the second type of the drawing machine unit passes through the single-connection drawing machine unit, because the speed of the single-connection drawing machine unit is limited, the capacity of one double-series drawing machine unit can be completely digested by configuring two single-connection drawing machine units.
The investment cost of the above two schemes is relatively high, and the production efficiency is relatively low (the operators and time of 2 single drawing units are increased).
Disclosure of Invention
The invention aims to provide a V-shaped disc stretcher, which aims to solve the problems of high cost and low stretching efficiency of a pipe fitting stretcher in the prior art.
The invention provides a V-shaped disc stretcher, which solves the technical problem and comprises a feeding part, a first stretching part, a traction part and a second stretching part, wherein the first stretching part is provided with a first stretching die holder, a first V-shaped disc, a jaw assembly and a pressing pipe assembly; the first V-shaped disc is horizontally arranged, an annular first pipe winding groove is formed in the first V-shaped disc, the section of the first pipe winding groove is in a V shape, the first stretching die holder is located on one side of the first V-shaped disc and provided with an input port I, the jaw assembly is fixed on the first V-shaped disc and provided with a material clamping port, the movement range of the material clamping port is intersected with the axis of the input port I of the first stretching die holder, the pipe pressing assembly is provided with a plurality of material pressing rollers distributed around the first V-shaped disc, and a pipe fitting is input through the input port I of the first stretching die holder and then is output after being wound along with the first V-shaped disc; the second stretching component is provided with a second stretching die holder, a second V-shaped disc, a jaw assembly and a pressure pipe assembly; the second V-shaped disc is horizontally arranged, an annular second pipe winding groove is formed in the second V-shaped disc, the section of the second pipe winding groove is in a V shape, the second stretching die holder is located on one side of the second V-shaped disc and provided with an input port II, the jaw assembly is fixed on the second V-shaped disc and provided with a material clamping port, the movement range of the material clamping port is intersected with the axis of the input port II of the second stretching die holder, the pipe pressing assembly is provided with a plurality of material pressing rollers distributed around the second V-shaped disc, and a pipe fitting is input through the input port II of the second stretching die holder and then is output after being wound along with the second V-shaped disc; the axes of the input port I and the input port II are mutually vertical; the traction component is positioned between the first V-shaped disc and the second V-shaped disc and is used for dragging the pipe fitting output after the first V-shaped disc is wound to the input port II; and the pipe fitting output end of the feeding component is butted with the input end of the first stretching component.
Preferably, the feeding part comprises a material tray, the axis of the material tray is vertically placed, and a rotating mechanism for driving the material tray to rotate is arranged below the material tray.
Preferably, a discharging swing arm assembly in swing connection is arranged above the material tray, the rotation axis of the discharging swing arm is collinear with the axis of the material tray, and the discharging swing arm is provided with a discharging base, a swing arm rotating shaft, a swing arm cylinder, an upper swing arm, a lower swing arm, a transverse roller and a vertical roller; the utility model discloses a blowing swing arm assembly, including blowing base, swing arm pivot, upper swing arm, lower swing arm, vertical roll, blowing swing arm, piston rod, vertical roll, pipe fitting end, the swing scope of blowing swing arm is 0-90, the swing arm pivot is fixed on the blowing base with the charging tray coaxial line position, goes up the swing arm and fixes the upper portion in the swing arm pivot, and lower swing arm fixes the lower part in the swing arm pivot, the swing arm cylinder is fixed on the blowing base and is located one side of swing arm pivot, the piston rod of swing arm cylinder is connected with upper swing arm is articulated, the vertical roll cross-over is equipped with two horizontal rolls of interval distribution about last swing arm and lower swing arm between last swing arm and the lower swing arm, the one end and the vertical roll of horizontal roll are connected, and the other end of horizontal roll is connected with the backup pad that is located between two swing arms, and at the during operation, the pipe fitting end on the charging tray passes the interval between two horizontal rolls and can be along with blowing swing arm assembly swing scope, blowing swing arm.
Preferably, a plurality of first photoelectric compensation switches distributed along the axial direction of the transverse rolls are arranged on the discharging swing arm, the first photoelectric compensation switches are used for sensing the radial position of the pipe fitting between the two transverse rolls and sending a signal, and the master control system receives the signal of the first photoelectric compensation switches and compensates and adjusts the rotating speed of the material tray through calculation.
Preferably, the first stretching component is further provided with a straightening device, the working center of the straightening device and the stretching center of the first stretching die holder are located on the same straight line, the output end of the straightening device is in butt joint with the input port I of the first stretching die holder, and the output end of the feeding component is in butt joint with the input end of the straightening device.
Preferably, the traction part is equipped with and pulls base, cantilever, cylinder, clamping jaw, gear drive, the cantilever rotates to be connected on pulling the base, the end at the cantilever is installed to the cylinder, the flexible end of cylinder passes through gear drive and is connected with the clamping jaw, realizes the action of opening and shutting of clamping jaw, the rotation center of cantilever and the rotation center of first V-arrangement dish are located same horizontal straight line and are located the mid-plane of first V-arrangement dish and second V-arrangement dish.
Preferably, the lower part of the cantilever is provided with a U-shaped compensation mechanism, and the U-shaped compensation mechanism comprises a mounting plate, a mounting seat, a first compensation frame, a second compensation frame and a third compensation frame; the mounting panel is the arc structure who uses the rotation axis of cantilever as the center, first compensation frame, second compensation frame, third compensation frame loop through the mount pad and install on the mounting panel, first compensation frame, second compensation frame and third compensation frame all set up towards the radial direction of mounting panel, be provided with a plurality of second photoelectric compensation switches that arrange the distribution along radial direction on first compensation frame and third compensation frame, second photoelectric compensation switch is used for responding to the pipe fitting and at the radial position of first compensation frame and third compensation frame and signal emitting, total control system receives the signal of second photoelectric compensation switch and carries out the compensation regulation through the calculation to the rotational speed of first V-arrangement dish.
Preferably, the second stretching component is further provided with a straightening device, the working center of the straightening device and the stretching center of the second stretching die holder are located on the same straight line, and the output end of the straightening device is in butt joint with the input port II of the second stretching die holder.
Preferably, press the pipe subassembly to be equipped with and press the pipe cylinder, press the pipe running roller, press the pipe cylinder to fix on the mount pad of first V-arrangement dish or second V-arrangement dish, press the radial direction of pipe cylinder's concertina movement direction along first V-arrangement dish or second V-arrangement dish, press the pipe running roller to install the output at the cylinder, press the pipe running roller to set up around the center of pipe groove towards first pipe groove or second.
In summary, the technical scheme of the invention at least has the following beneficial effects:
1. and the energy consumption and the equipment cost are reduced. The double drawing speed at the present stage is generally 120 m/min, the drawing elongation coefficient is 1.5, the subsequent drawing speed of 180 m/min is required, the single drawing speed is consistent with the double drawing speed, a single machine cannot meet the requirement, the two speeds are redundant, if a high-speed disc drawing machine is used for directly drawing the double-drawn pipe, the speed can only be generally 50% -60% of the maximum speed, and the high-speed advantage cannot be fully utilized. By adopting the novel equipment, the front and rear equipment efficiency can be effectively utilized, the disc drawing equipment and the single-linkage drawing equipment can be reduced, and the equipment cost and the energy consumption are reduced;
2. the degree of automation is high, advances to adopt full-automatic design between pipe and the exit tube, need not artificial interference, the cost of using manpower sparingly.
3. The two V-shaped discs are adopted for stretching the long pipe fitting, so that the overall volume of the equipment can be effectively reduced, and the installation is convenient;
4. the speeds of the two V-shaped discs can be coordinated through a control system, and the adaptation of the stretching speeds of the two V-shaped discs is ensured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic top view of the overall structure of the present invention;
FIG. 2 is a front view of the overall construction of the present invention;
FIG. 3 is a top view of a first tensile member of the present invention;
FIG. 4 is a front view of the discharge swing arm mechanism of the present invention;
FIG. 5 is a top view of the discharge swing arm mechanism of the present invention;
FIG. 6 is a front view of the traction element of the present invention;
FIG. 7 is a top view of the U-shaped compensation mechanism of the present invention.
In the figure;
1. a feed member; 11. a material tray; 12. discharging and swinging arms; 13. a discharge base; 14. a swing arm rotating shaft; 15. a swing arm cylinder; 16. an upper swing arm; 17. a lower swing arm; 18. a transverse roller; 19. a vertical roller;
2. a first tensile member; 21. a straightening device; 22. a first drawing die holder; 23. a first V-shaped disc; 24. a jaw assembly; 25. pressing a pipe cylinder; 26. pressing a pipe roller;
3. a traction member; 31. a traction base; 32. a cantilever; 33. a clamping jaw;
4. a second tensile member; 41. a second stretching die holder; 42. a second V-shaped disk;
5. a U-shaped compensation mechanism; 51. mounting a plate; 52. a mounting seat; 53. a first compensation frame; 54. a second compensating frame; 55. and a third compensating frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a V-shaped disc drawing machine, which comprises a feeding part 1, a first drawing part 2, a traction part 3, a second drawing part 4 and a discharging part, wherein the feeding part is arranged on the first drawing part, and the second drawing part is arranged on the second drawing part; wherein the pipe fitting is in the tensile in-process, and the pipe fitting gets into from feed unit 1, through the tensile back of first tensile part 2, under the effect of traction component 3, pulls the pipe fitting after the first time is stretched to second tensile part 4 and carries out the drawing for the second time, and the pipe fitting after the secondary drawing passes through ejection of compact part ejection of compact.
Wherein the feeding part 1 comprises a material tray 11, the axis of the material tray 11 is vertically placed in the working process, and a rotating mechanism for driving the material tray 11 to rotate is arranged below the material tray 11. The invention is provided with a discharging swing arm 12 above the material tray 11, when a new material tray 11 blank is used for processing at the beginning of work, the end of the pipe wound on the material tray 11 is firstly guided to the first stretching component 2 under the action of the discharging swing arm 12. As shown in the attached figure 4, the discharging swing arm 12 is provided with a discharging base 13, a swing arm rotating shaft 14, a swing arm cylinder 15, an upper swing arm 16, a lower swing arm 17, a transverse roller 18 and a vertical roller 19; the swing arm rotating shaft 14 is fixed on the discharging base 13, the axis of the swing arm rotating shaft 14 and the axis of the charging tray 11 are on the same vertical straight line, the upper swing arm 16 and the lower swing arm 17 are respectively fixed on the upper portion and the lower portion of the swing arm rotating shaft 14, a space is arranged between the upper swing arm 16 and the lower swing arm 17, a vertical roller 19 which is bridged over the upper swing arm 16 and the lower swing arm 17 and two transverse rollers 18 which are distributed at intervals up and down are arranged in the space of the upper swing arm 16 and the lower swing arm 17 close to the end portion, when the charging tray works, the end of a pipe fitting on the charging tray 11 penetrates through the space between the two transverse rollers 18 and can swing along with the discharging swing arm 12 assembly, the swing range of the discharging swing arm 12 is 0-90 degrees, and the rotation of the discharging swing arm 12 is driven by the swing arm cylinder 15. The end of the pipe fitting is driven by the discharging swing arm 12 to the inlet position of the first stretching component 2 for butt joint, it is noted that the pipe fitting is penetrated on the discharging swing arm 12 and butt joint with the inlet of the first stretching component 2 is achieved through a manipulator, the transverse roller 18 has a certain length, the pipe penetrating region also has a certain length, and after the end of the pipe fitting is butt jointed with the first stretching component 2 and the manipulator loosens the pipe fitting, the pipe fitting can slide in the pipe penetrating region.
The first stretching component 2 is provided with a first stretching die holder 22, a first V-shaped disc 23, a jaw assembly 24, a pipe pressing assembly and a straightening device 21; the first V-shaped disc 23 is horizontally arranged, an annular first pipe winding groove is formed in the first V-shaped disc 23, the section of the first pipe winding groove is in a V shape, the first stretching die holder 22 is located on one side of the first V-shaped disc 23, the first stretching die holder 22 is provided with an input port I, the jaw assembly 24 is fixed on the first V-shaped disc 23, the jaw assembly 24 is provided with a material clamping port, the movement range of the material clamping port is intersected with the axis of the input port I of the first stretching die holder 22, the pipe pressing assembly is provided with a plurality of material pressing rollers distributed around the first V-shaped disc 23, and a pipe is input through the input port I of the first stretching die holder 22 and then is output after being wound with the first V-shaped disc 23; wherein the straightening device 21 is butted with the feeding part 1, the straightening device 21 is provided with a plurality of straightening wheel sets, the discharging swing arm 12 can send the end of the pipe fitting to a position collinear with the central line of the straightening device 21, then the pipe fitting is sent into the straightening device 21 through a manipulator, the output end of the straightening device 21 is butted with the input end of the first stretching die holder 22, the working center of the straightening device 21 and the stretching center of the first stretching die holder 22 are positioned on the same straight line, the end of the pipe fitting (the end of which is finished) can sequentially pass through the straightening device 21 and the first stretching die holder 22 and is clamped and fixed by the jaw assembly 24 on the first V-shaped disc 23, wherein the jaw assembly 24 realizes automatic clamping through an air cylinder or an oil cylinder, the jaw assembly 24 is fixed on the first V-shaped disc 23, so that the rotation of the first V-shaped disc 23 can drive the pipe fitting to rotate in the first pipe winding groove through the jaw assembly 24, providing a drawing force of the pipe, the pipe is thinned under the action of the first drawing die holder 22, in the drawing process, in order to enable the pipe to better surround the first pipe winding groove, a plurality of pipe pressing assemblies are designed around the first V-shaped disc 23, each pipe pressing assembly is provided with a pipe pressing cylinder 25 and a pipe pressing roller 26, each pipe pressing cylinder 25 is fixed on the mounting seat 52 of the first V-shaped disc 23, the telescopic motion direction of each pipe pressing cylinder 25 is along the radial direction of the first V-shaped disc 23, each pipe pressing roller 26 is mounted at the output end of the corresponding cylinder, each pipe pressing roller 26 is arranged towards the center of the first pipe winding groove, so that the telescopic motion of each pipe pressing cylinder 25 can push the corresponding roller to tightly press the pipe in the first pipe winding groove from the radial direction, a better drawing effect is achieved, and when the pipe is drawn for the first time, the initial clamping position of each jaw, an exit position adjacent the first drawing die holder 22, as shown in FIG. 3; after the pipe rotates about 270 degrees along with the first V-shaped disc 23, the clamp claws release the pipe, and the release positions of the clamp claws are shown in the attached figure 3; because the inlet position of the pipe fitting and the outlet position of the pipe fitting are mutually crossed, in order to avoid interference, a guide roller is arranged at the outlet position of the pipe fitting from the V-shaped disc, the position of the guide roller is higher than the outlet direction of the first stretching die holder 22 so as to avoid the position of the pipe fitting at the inlet, the outlet end of the pipe fitting needs to be bent to a certain degree at the moment, and in the specific design, the guide roller is installed at a proper place so that the bending degree of the pipe fitting is not too large.
It should be noted that, in the first stretching process, in order to ensure that the first stretching is normally performed, the rotation speed of the first V-shaped tray 23 is matched with the discharge speed of the tray 11 on the feeding part 1, and since the stretch coefficient is constant, the speed ratio of the first V-shaped tray 23 to the discharge speed of the tray 11 on the feeding part 1 is also constant, but in actual production, the rotation speed may not be kept constant all the time, and a large error may be generated as time accumulates at this time, for example, when the rotation speed of the first V-shaped tray 23 is faster than the normal speed, if the speed of the tray 11 is not changed at this time, the supply of the pipe is tense, and the pipe is tightened on the tray 11, or even pulled off; when the rotating speed of the first V-shaped disc 23 is slower than the normal speed, the critical supply is excessive, the excessive length cannot be tightened, and the loosening of the pipe fittings is caused, which always affects the production quality and even the production safety in the actual production process, so in order to avoid this situation, the feeding compensation mechanism is arranged on the discharging swing arm 12 of the present invention, specifically: a plurality of first photoelectric compensation switches distributed along the axial direction of the transverse rollers 18 are arranged on the discharging swing arm 12, the first photoelectric compensation switches are used for sensing the radial position of a pipe fitting between the two transverse rollers 18 and sending a signal, the master control system receives the signal of the first photoelectric compensation switches and carries out compensation adjustment on the rotating speed of the material tray 11 through calculation, the pipe fitting can slide relatively between the two transverse rollers 18 when the pipe fitting is produced normally, the position of the pipe fitting in a pipe penetrating area is basically fixed, and when the pipe fitting is tightened, the position of the pipe fitting in the pipe penetrating area is close to the rotating center of the discharging swing arm 12; on the contrary, when the pipe fitting is comparatively loose, the rotation center of blowing swing arm 12 can be kept away from to the position of pipe fitting in the poling intraductal, according to this characteristic, set up a plurality ofly on blowing swing arm 12 and can respond to the position of pipe fitting in the poling region along the radial first photoelectric compensation switch that sets up of blowing swing arm 12, and then can judge whether the slew velocity of first V-arrangement dish 23 and charging tray 11 matches, and adjust, make the two match again, it needs to be noted that, generally adjust the adaptation to the slew velocity of charging tray 11, rather than the speed of adjusting first V-arrangement dish 23.
After the first stretching of the pipe, the second stretching needs to be continued, and due to the arrangement of the positions of the first V-shaped disc 23 and the second V-shaped disc 42, the end of the pipe after the first stretching needs to be pulled to the second stretching part 4 by the pulling part 3, specifically, as shown in fig. 6; traction part 3 is equipped with and draws base 31, cantilever 32, cylinder, clamping jaw 33, gear drive, cantilever 32 rotates to be connected on drawing base 31, the end at cantilever 32 is installed to the cylinder, the flexible end of cylinder passes through gear drive and is connected with clamping jaw 33, realizes opening and shutting action of clamping jaw 33, the center of rotation of cantilever 32 and the center of rotation of first V-arrangement dish 23 are located same horizontal straight line and are located the mid-plane of first V-arrangement dish 23 and second V-arrangement dish 42. The pulling element 3 thus grips the end of the tubular piece by means of the jaws 33 and is pulled into position by rotation to the second pulling element 4 and a second pulling takes place on the second pulling element 4. It should be noted that the drawing member 3 grips the tubular element only at the beginning of the work, and releases it after it has been drawn to the second drawing member 4, until it is reactivated when the next tray 11 is replaced for drawing.
Wherein the second stretching component 4 has a structure substantially similar to that of the first stretching component 2, and the second stretching component 4 is provided with a second stretching die holder 41, a second V-shaped disc 42, a jaw assembly 24, a pipe pressing assembly and a straightening device 21; the second V-shaped disc 42 is horizontally arranged, an annular second pipe winding groove is formed in the second V-shaped disc 42, the section of the second pipe winding groove is V-shaped, the second stretching die holder 41 is located on one side of the second V-shaped disc 42, the second stretching die holder 41 is provided with an input port ii, the jaw assembly 24 is fixed on the second V-shaped disc 42, the jaw assembly 24 is provided with a material clamping port, the movement range of the material clamping port is intersected with the axis of the input port ii of the second stretching die holder 41, the pipe pressing assembly is provided with a plurality of material pressing rollers distributed around the second V-shaped disc 42, the straightening device 21 is in butt joint with the end of the pipe clamped by the traction component 3, the straightening device 21 is provided with a plurality of wheel sets, the traction component 3 can send the end of the pipe to the position collinear with the central line of the straightening device 21, then the pipe is sent into the straightening device 21 through the manipulator, and the pipe is stretched through the second stretching die holder 41 after being sent, the specific stretching action is the same as the principle of the first stretching action, and please refer to the first stretching process. The pipe fitting is output to the discharging part after being wound along with the second V-shaped disc 42, winding is carried out, and material receiving is carried out, so that the secondary stretching process of the pipe fitting is completed.
It should be noted that, since the diameter of the pipe after the second drawing is changed, the rotation speeds of the first V-shaped disc 23 and the second V-shaped disc 42 also need to be matched with each other, and similarly, in the actual production process, the first V-shaped disc 23 and the second V-shaped disc 42 may generate errors, which causes a mismatch phenomenon, and compensation adjustment is also needed at this time, in the present invention, the U-shaped compensation mechanism 5 is provided at the lower part of the cantilever 32 of the traction component 3, as shown in fig. 7, the U-shaped compensation mechanism 5 includes a mounting plate 51, a mounting seat 52, a first compensation frame 53, a second compensation frame 54, and a third compensation frame 55; the mounting plate 51 is an arc-shaped structure with the rotation axis of the cantilever 32 as the center, the first compensation frame 53, the second compensation frame 54 and the third compensation frame 55 are sequentially mounted on the mounting plate 51 through the mounting seat 52, and the first compensation frame 53, the second compensation frame 54 and the third compensation frame 55 are all arranged towards the radial direction of the mounting plate 51. For example, when the second V-shaped disc 42 is at a higher speed, the pipe member between the first V-shaped disc 23 and the second V-shaped disc 42 is tightened, and the pipe member is moved toward the center of the mounting plate 51 as shown on the U-shaped compensating mechanism 5; when the speed of the second V-shaped disc 42 is slower, the pipe between the first V-shaped disc 23 and the second V-shaped disc 42 is loosened, and the corresponding pipe is moved away from the center of the mounting plate 51 as shown on the U-shaped compensation mechanism 5; a plurality of second photoelectric compensation switches which are distributed in an arrayed mode are arranged on the first compensation frame 53 and the third compensation frame 55 in the radial direction and used for sensing the radial positions of the pipe fittings on the first compensation frame 53 and the third compensation frame 55 and sending signals, and the master control system receives the signals of the second photoelectric compensation switches and carries out compensation adjustment on the rotating speed of the first V-shaped disc 23 through calculation.
It should be noted that the present invention is always provided with two compensation mechanisms, one is a U-shaped compensation mechanism 5 located between the first V-shaped disc 23 and the second V-shaped disc 42, and the other is a feeding compensation mechanism located on the discharging swing arm 12, and in actual operation, the rotational speed of the second V-shaped disc 42 is taken as a reference, the rotational speed of the first V-shaped disc 23 is adjusted by the U-shaped compensation mechanism 5, and then the feeding rate is adjusted by the feeding compensation mechanism, so that the feeding speed, the first stretching speed and the second stretching speed are coordinated and unified.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (7)
- The V-shaped disc drawing machine is characterized by comprising a feeding part, a first drawing part, a drawing part and a second drawing part; the first stretching component is provided with a first stretching die holder, a first V-shaped disc, a jaw assembly and a pressure pipe assembly; the first V-shaped disc is horizontally arranged, an annular first pipe winding groove is formed in the first V-shaped disc, the section of the first pipe winding groove is in a V shape, the first stretching die holder is located on one side of the first V-shaped disc and provided with an input port I, the jaw assembly is fixed on the first V-shaped disc and provided with a material clamping port, the movement range of the material clamping port is intersected with the axis of the input port I of the first stretching die holder, the pipe pressing assembly is provided with a plurality of material pressing rollers distributed around the first V-shaped disc, and a pipe fitting is input through the input port I of the first stretching die holder and then is output after being wound along with the first V-shaped disc; the second stretching component is provided with a second stretching die holder, a second V-shaped disc, a jaw assembly and a pressure pipe assembly; the second V-shaped disc is horizontally arranged, an annular second pipe winding groove is formed in the second V-shaped disc, the section of the second pipe winding groove is V-shaped, the second stretching die holder is located on one side of the second V-shaped disc and provided with an input port II, the jaw assembly is fixed on the second V-shaped disc and provided with a material clamping port, the movement range of the material clamping port is intersected with the axis of the input port II of the second stretching die holder, the pipe pressing assembly is provided with a plurality of material pressing rollers distributed around the second V-shaped disc, and a pipe fitting is input through the input port II of the second stretching die holder and then is wound with the second V-shaped disc and then is output; the axes of the input port I and the input port II are mutually vertical; the traction component is positioned between the first V-shaped disc and the second V-shaped disc and is used for dragging the pipe fitting output after the first V-shaped disc is wound to the input port II; the pipe fitting output end of the feeding component is butted with the input end of the first stretching component;the traction part is provided with a traction base, a cantilever, an air cylinder, a clamping jaw and a gear transmission mechanism, the cantilever is rotatably connected to the traction base, the air cylinder is installed at the end of the cantilever, the telescopic end of the air cylinder is connected with the clamping jaw through the gear transmission mechanism to realize the opening and closing actions of the clamping jaw, and the rotation center of the cantilever and the rotation center of the first V-shaped disc are positioned on the same horizontal straight line and positioned on the middle plane of the first V-shaped disc and the second V-shaped disc;the lower part of the cantilever is provided with a U-shaped compensation mechanism, and the U-shaped compensation mechanism comprises a mounting plate, a mounting seat, a first compensation frame, a second compensation frame and a third compensation frame; the mounting panel is for using the rotation axis of cantilever to compensate the arc structure at center, first compensation frame, second compensation frame, third compensation frame loop through the mount pad and install on the mounting panel, first compensation frame, second compensation frame and third compensation frame all set up towards the radial direction of mounting panel, be provided with a plurality of second photoelectric compensation switches that arrange the distribution on first compensation frame and third compensation frame along radial direction, second photoelectric compensation switch is used for responding to the pipe fitting at the radial position of first compensation frame and third compensation frame and sends out the signal, total control system receives the signal of second photoelectric compensation switch and carries out the compensation adjustment through the calculation to the rotational speed of first V-arrangement dish.
- 2. The V-shaped disc stretcher according to claim 1, wherein the feeding part comprises a material disc, the axis of the material disc is vertically placed, and a rotating mechanism for driving the material disc to rotate is arranged below the material disc.
- 3. The V-shaped plate drawing machine according to claim 2, characterized in that a discharging swing arm in swing connection is arranged above the material plate, the rotation axis of the discharging swing arm is collinear with the axis of the material plate, and the discharging swing arm is provided with a discharging base, a swing arm rotating shaft, a swing arm cylinder, an upper swing arm, a lower swing arm, a cross roll and a vertical roll; the utility model discloses a blowing swing arm assembly, including blowing base, swing arm pivot, upper swing arm, lower swing arm, vertical roll, blowing swing arm, piston rod, vertical roll, pipe fitting end, the swing scope of blowing swing arm is 0-90, the swing arm pivot is fixed on the blowing base with the charging tray coaxial line position, goes up the swing arm and fixes the upper portion in the swing arm pivot, and lower swing arm fixes the lower part in the swing arm pivot, the swing arm cylinder is fixed on the blowing base and is located one side of swing arm pivot, the piston rod of swing arm cylinder is connected with upper swing arm is articulated, the vertical roll cross-over is equipped with two horizontal rolls of interval distribution about last swing arm and lower swing arm between last swing arm and the lower swing arm, the one end and the vertical roll of horizontal roll are connected, and the other end of horizontal roll is connected with the backup pad that is located between two swing arms, and at the during operation, the pipe fitting end on the charging tray passes the interval between two horizontal rolls and can be along with blowing swing arm assembly swing scope, blowing swing arm.
- 4. The V-shaped disc drawing machine according to claim 3, wherein a plurality of first photoelectric compensation switches distributed along the axial direction of the transverse rollers are arranged on the discharging swing arm, the first photoelectric compensation switches are used for sensing the radial position of a pipe between the two transverse rollers and sending out signals, and the master control system receives the signals of the first photoelectric compensation switches and carries out compensation adjustment on the rotating speed of the material disc through calculation.
- 5. The V-shaped disc stretcher according to claim 1, wherein the first stretching component is further provided with a straightening device, the working center of the straightening device and the stretching center of the first stretching die holder are positioned on the same straight line, the output end of the straightening device is in butt joint with the input port I of the first stretching die holder, and the output end of the feeding component is in butt joint with the input end of the straightening device.
- 6. The V-shaped disc stretcher according to claim 1, wherein the second stretching part is further provided with a straightening device, the working center of the straightening device and the stretching center of the second stretching die holder are positioned on the same straight line, and the output end of the straightening device is butted with the input port II of the second stretching die holder.
- 7. The V-shaped disc stretcher according to claim 1, wherein the pressing pipe assembly is provided with a pressing pipe cylinder and a pressing pipe roller, the pressing pipe cylinder is fixed on the mounting seat of the first V-shaped disc or the second V-shaped disc, the telescopic motion direction of the pressing pipe cylinder is along the radial direction of the first V-shaped disc or the second V-shaped disc, the pressing pipe roller is installed at the output end of the cylinder, and the pressing pipe roller is arranged towards the center of the first winding pipe groove or the second winding pipe groove.
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| CN113695411A (en) * | 2021-09-14 | 2021-11-26 | 浙江铜加工研究院有限公司 | Traction mechanism between pipe drawing units |
| CN114309100A (en) * | 2021-09-14 | 2022-04-12 | 浙江铜加工研究院有限公司 | Dislocation guide mechanism for stretching V-shaped disc |
| CN117772840B (en) * | 2024-02-28 | 2024-04-30 | 常州润来科技有限公司 | Copper pipe internal thread continuous forming device and use method |
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