CN108380710A - Variable curvature edge rolling former - Google Patents

Abstract

The invention discloses a kind of variable curvature edge rolling formers, its drip irrigation device includes platen and edge rolling mechanism, it is fixed on the platen that there are two the risers being mutually parallel, the first coaxial connecting hole and the second connecting hole above the first connecting hole radial direction side are respectively arranged on two risers, the edge rolling mechanism includes：Edge rolling axis is rotationally connected in first connecting hole；Edge rolling mold is set to one end of the edge rolling axis；Drive component is set to the one end of the edge rolling axis far from the edge rolling mold；Binder axis is rotationally connected in second connecting hole；Binder component is set to one end of the binder axis and above the edge rolling mold；Lifting assembly is set to the one end of the binder axis far from the binder component, and for driving the binder component closer or far from the edge rolling mold, the present invention can make the workpiece of different curvature, improve used condition range.

Description

Variable curvature roll forming equipment

technical field

The invention belongs to the technical field of roll cylinder manufacturing, and more specifically relates to a variable curvature roll forming equipment.

Background technique

The rolling machine is divided into two types: mechanical and hydraulic. The mechanical rolling machine rolls carbon steel, stainless steel, and yellow metal profiles (such as angle steel, strip steel, channel steel, pipes, etc.) into diameters of φ320-φ6000mm. A high-quality, cost-effective rounding device for rings and flanges. The hydraulic round rolling machine is an upgraded product of the mechanical round rolling machine. It can increase the thickness and width of the round rolling machine, and can complete the shortcomings of the mechanical round rolling machine that cannot roll thick plates. It replaces the original steel plate blanking, docking, correction and Lathe processing and other complex processes save oxygen, acetylene, labor and raw materials, etc., and are the advanced matrix for manufacturing flanges.

At present, the Chinese patent with the notification number CN205869142U discloses an automatic rounding machine, which includes a feeding mechanism, a pressing mechanism, a coiling mechanism, a frame for fixing the feeding mechanism, a pressing mechanism and a coiling mechanism, and is used to The control system that controls the overall operation.

In the prior art, an automatic rounding machine similar to the one mentioned above forms a triangular circle by positioning the round block and the rolling mandrel, and the positions of the positioning round block and the rolling mandrel are fixed and both are rigid, so it is difficult to meet the customer's requirements. The requirements for workpieces with different curvatures limit the working conditions used.

Contents of the invention

In view of the deficiencies in the prior art, the purpose of the present invention is to provide a variable curvature roll forming equipment, which has the advantage of being able to manufacture workpieces with different curvatures and increasing the range of working conditions used.

In order to achieve the above object, the present invention provides the following technical solutions: a variable curvature roll forming equipment, including a platen and a rolling mechanism arranged on the platen, and two parallel to each other are fixed on the platen The vertical plates are respectively provided with a coaxial first connection hole and a second connection hole located above the radial side of the first connection hole on the two vertical plates, and the rolling mechanism includes:

a rolling shaft, rotatably connected in the first connecting hole;

Rolling mold, arranged at one end of the rolling shaft;

a driving assembly, arranged at an end of the rolling shaft away from the rolling mold, for driving the rolling mold to rotate;

The pressing shaft is rotatably connected in the second connecting hole;

a pressing assembly, arranged at one end of the pressing shaft and above the rolling mold;

a lifting assembly, arranged at the end of the pressing shaft away from the pressing assembly, for driving the pressing assembly close to or away from the rolling mold;

When the pressing assembly moves down, it abuts against the outer surface of the rolling die and rotates relative to the rolling die, and when moving up, the pressing assembly is away from the rolling die.

By adopting the above technical scheme, the workpiece is placed on the rolling mold, the pressing assembly is moved down through the lifting assembly and abuts on the workpiece on the surface of the rolling mold, and then the rolling shaft is driven to rotate through the driving assembly to make the rolling mold It rotates accordingly; and during the rotation of the rolling mold, the pressing assembly and the rolling mold rotate relative to each other, that is, when the center distance of the rolling mold changes, the pressing assembly always keeps exerting pressure on the workpiece under the action of the lifting assembly. The deformation force, and with the rotation of the rolling mold, the workpiece forms a shape that matches the rolling mold, and finally the two ends of the workpiece are welded to complete the processing. Therefore, workpieces with different curvatures can be produced through the relative rotation generated when the pressing assembly abuts against the rolling die, and the range of working conditions can be improved.

The present invention is further configured as follows: the driving assembly includes a driving motor, a sprocket and a chain, a fixing frame is provided at the bottom of the table, the driving motor is fixed on the fixing frame, and the sprocket has two and respectively It is fixedly connected with the output shaft of the driving motor and one end of the winding shaft, and the two sprockets are connected through the chain.

By adopting the above technical solution, the driving motor can be started and the transmission with the winding shaft can be realized through the sprocket and the chain, and the above transmission structure is low in cost and easy to maintain.

The present invention is further provided that: a dust cover is provided on the side of the table plate close to the driving assembly, and the sprocket and the chain are both arranged in the dust cover.

By adopting the above technical solution, the arrangement of the dust cover can isolate the sprocket and the chain from the outside, reducing the entry of dust, thereby preventing the dust from affecting the rotation of the sprocket and the chain.

The present invention is further provided that: the pressing assembly includes a pressing wheel, a pressing wheel frame and a pressing wheel rocker arm, one end of the pressing wheel rocking arm is fixedly connected to the pressing shaft, and the other end is connected to the pressing wheel frame through the pressing wheel frame. The pressing wheel is connected, the pressing wheel frame has two, and the two ends of the pressing wheel rocking arm and the pressing wheel are all rotatably connected between the two pressing wheel frames through the installation shaft.

By adopting the above-mentioned technical scheme, after the workpiece is placed on the rolling mold, the pressing wheel is driven down by the rocker arm of the pressing roller to abut against the surface of the workpiece, and the surface of the workpiece is kept flat during the rolling process; And because the pressure wheel and the pressure wheel rocker are all rotatably connected with the pressure wheel frame, the pressure wheel can be attached to the workpiece surface all the time, and the wear between the pressure wheel and the workpiece can be reduced simultaneously.

The present invention is further provided that: bearings are arranged between the installation shaft, the rocker arm of the pressing wheel and the pressing wheel.

By adopting the above technical solution, the setting of the bearing can reduce the friction between the rocker arm of the pinch roller and the pinch wheel and the installation shaft, thereby improving the service life of the rocker arm of the pinch wheel and the pinch wheel.

The present invention is further provided that: the lifting assembly includes a driving cylinder and a cylinder rocker arm, one end of the driving cylinder is hinged to the upper end surface of the table, and the other end is hinged to one end of the cylinder rocker arm, and the cylinder rocker arm The other end of the shaft sleeve is fixedly connected with the pressing shaft.

By adopting the above technical solution, when the driving cylinder extends upward, the rocker arm of the cylinder can rotate along the circumferential direction of the pressing shaft, and at the same time, the driving shaft drives the rocker arm of the pressing roller to rotate, so that the ends of the rocking arm of the pressing roller can be opposite to each other. A vertical displacement occurs on the rolling die, that is, the pressing wheel can be abutted against the rolling die in the path of rotation of the rocker arm of the pressing wheel.

The present invention is further set as: a counter and a counting seat are provided on one side of the vertical plate, a spring is connected between the counting seat and the handle of the counter, and a spring is connected between the handle of the counter and the piston rod of the driving cylinder. There is a drawstring between them.

By adopting the above-mentioned technical scheme, when the piston rod of the driving cylinder is downward, the handle of the counter can be pulled by the pull cord to count; and the handle of the counter is reset under the elastic force of the spring, so as to perform the next count, thereby It is convenient for the staff to count the production quantity and avoid unnecessary waste.

The present invention is further set up as follows: the rolling mold includes a long mold and a short mold, positioning holes are arranged on the long mold and the short mold, and holes for fixing the long mold and the short mold are pierced in the positioning holes. Locating pins.

By adopting the above technical scheme, the setting of the long mold and the short mold can be conveniently selected according to the processing conditions. You can choose to use the long mold or the short mold alone, or combine the long mold and the short mold for processing, and through the positioning hole and the positioning The cooperation of the pin can facilitate the installation and disassembly of the long mold and the short mold.

The present invention is further provided that: the long mold and the short mold are also provided with several weight-reducing holes.

By adopting the above technical solution, the setting of the weight-reducing hole can not only reduce the production cost, but also reduce the weight of the long mold and the short mold, which is convenient for workers to carry.

The present invention is further configured as follows: one side of the platen is provided with a cabinet, and PLC controller 1 and PLC controller 2 for controlling the opening and closing of the driving motor and the driving cylinder are respectively arranged in the cabinet, and the outer side of the cabinet is A control button 1 and a control button 2 respectively electrically connected to the PLC controller 1 and the PLC controller 2 are provided.

By adopting the above technical solution, when in use, the drive motor and the drive cylinder can be started by pressing the control button 1 and the control button 2, thereby simplifying the operation process and improving work efficiency.

In summary, the present invention has the following advantages:

1. Through the relative rotation generated when the pressing component and the rolling die are in contact, workpieces with different curvatures can be produced, and the range of working conditions used can be improved;

2. By setting the long mold and the short mold, it is easy to choose according to the processing conditions. You can choose to use the long mold or the short mold alone, or combine the long mold and the short mold for processing, and the cooperation between the positioning hole and the positioning pin can It is convenient for the installation and disassembly of long molds and short molds.

Description of drawings

Fig. 1 is the structural representation of present embodiment;

Fig. 2 is the explosion schematic diagram of present embodiment;

Fig. 3 is a partial explosion schematic diagram of the present embodiment highlighting the pressing material assembly;

Fig. 4 is the enlarged schematic view of A in Fig. 3;

Fig. 5 is the enlarged schematic diagram of B in Fig. 3;

Fig. 6 is a schematic structural view of the present embodiment highlighting the rolling mold;

FIG. 7 is an enlarged schematic view of C in FIG. 6 .

Description of reference signs: 101, rolling mechanism; 1, platen; 2, vertical plate; 3, first connecting hole; 4, second connecting hole; 5, rolling shaft; 6, rolling mold; 7, screw Cap; 8. Drive assembly; 9. Pressing shaft; 10. Pressing assembly; 11. Lifting assembly; 12. Driving motor; 13. Sprocket; 14. Chain; 15. Fixing frame; 16. Dust cover; 17 , pressing wheel; 18, pressing wheel frame; 19, pressing wheel rocker arm; 20, installation shaft; 21, bearing; 22, driving cylinder; 23, cylinder rocking arm; 24, counter; 25, counting seat; 26, spring 27, drawstring; 28, long mold; 29, short mold; 30, gap; 31, positioning hole; 32, weight-reducing hole; 33, chassis; 34, control button one; 35, control button two.

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings.

A variable curvature rolling forming equipment, as shown in Figures 1 and 2, includes a platen 1, on which two vertical plates 2 parallel to each other are fixed, and the vertical plates 2 are rotatably connected to roll the workpiece into a circle. Type rolling mechanism 101.

As shown in Figures 1 and 2, a coaxial first connection hole 3 and a second connection hole 4 positioned above the radial side of the first connection hole 3 are respectively provided on the two vertical plates 2, and the rolling mechanism 101 includes a rolling The round shaft 5, the rolling mold 6, the driving assembly 8, the pressing shaft 9, the pressing assembly 10 and the lifting assembly 11, the rolling shaft 5 is rotatably connected in the first connection hole 3, and the two ends of the rolling shaft 5 are respectively Connected with the rolling die 6 and the driving assembly 8, the workpiece can be rolled into a specified shape through the rolling die 6, and the driving assembly 8 can drive the rolling shaft 5 and the rolling die 6 to rotate, so that the workpiece is completed during the rotation process. Processing; the pressing shaft 9 is rotatably connected in the second connection hole 4, and the two ends of the pressing shaft 9 are respectively connected with the pressing assembly 10 and the lifting assembly 11, and the pressing assembly 10 and the rolling mold 6 are arranged on the same side, The lifting assembly 11 can drive the pressing assembly 10 to move up and down relative to the rolling die 6, that is, when the pressing assembly 10 moves down, it can abut against the outer peripheral wall of the rolling die 6, so that the workpiece can be kept stable when rotating , and can exert deformation pressure on the workpiece at the same time.

As shown in Figure 2, drive assembly 8 comprises drive motor 12, sprocket wheel 13 and chain 14, and platen 1 bottom is fixed with fixed frame 15, and drive motor 12 is fixed on the fixed frame 15, and sprocket wheel 13 has two and respectively with The output shaft of the drive motor 12 is fixedly connected to one end of the rolling shaft 5, and the two sprockets 13 are connected by a chain 14. Therefore, the rotation of the winding shaft 5 can be realized by starting the driving motor 12 and the transmission principle of the sprocket 13 and the chain 14, and the cost is low and maintenance is easy.

As shown in Figure 2, the platen 1 is provided with a dust cover 16 near the side of the drive assembly 8, and the sprocket 13 and the chain 14 are all arranged in the dust cover 16, and the sprocket 13 and the chain 14 can be connected by the dust cover 16. It is isolated from the outside world to reduce the entry of dust, thereby preventing dust from affecting the rotation of the sprocket 13 and the chain 14 .

As shown in Figures 3 and 4, the pressing assembly 10 includes a pressing wheel 17, a pressing wheel frame 18, and a pressing wheel rocker arm 19. Mounting holes are provided at both ends of the pressing wheel rocking arm 19, and one end of the pressing shaft 9 passes through Through the installation hole and connected with the rocker arm 19 of the pressure roller, there are two pressure roller frames 18 and two pressure rollers 17. Rotate through the installation hole through the installation shaft 20 and be connected to the tip side of the two pressure roller frames 18, while the two pressure rollers 17 are connected to the opening both sides of the two pressure roller frames 18 through the installation shaft 20, that is, When the rolling die 6 is elliptical, a height difference is formed between the two pressing wheels 17, thereby ensuring that the pressing wheel 17 is always attached to the surface of the rolling die 6, so as to adapt to rolling dies 6 with different curvatures.

It is worth mentioning that the rocker arm 19 of the pinch roller is arc-shaped, and its concave side faces the pinch wheel 17, that is, when the rolling die 6 is elliptical and the pinch wheel 17 rotates to the long side of the ellipse, it can avoid The pinch roller rocking arm 19 conflicts with the pinch wheel 17, affecting the rotation of the pinch wheel 17. In addition, bearings 21 are arranged between the installation shaft 20, the pressure wheel rocker arm 19 and the pressure wheel 17, and the friction between the pressure wheel rocker arm 19, the pressure wheel 17 and the installation shaft 20 can be reduced by the bearing 21, and the pressure can be improved. The service life of wheel rocker arm 19 and pressure material wheel 17.

As shown in Figures 3 and 4, the lifting assembly 11 includes a driving cylinder 22 and a cylinder rocker arm 23, one end of the driving cylinder 22 is hinged on the upper end surface of the platen 1 and is positioned at a side in the middle of the two vertical plates 2, and the driving cylinder 22 The ejector rod is hinged at one end of the cylinder rocker arm 23, and the other end of the cylinder rocker arm 23 is fixedly connected with the binder shaft 9 at the middle of the two vertical plates 2 through an axle sleeve. Therefore, when the driving cylinder 22 extends upwards, the cylinder rocker arm 23 can rotate along the circumferential direction of the pressing shaft 9, and at the same time, the driving shaft 9 drives the pressing roller rocking arm 19 to rotate, so that the end of the pressing roller rocking arm 19 A vertical displacement can be generated relative to the rolling die 6 , that is, the pressing wheel 17 can be abutted against the rolling die 6 during the rotation path of the pressing roller rocker arm 19 .

As shown in Figures 3 and 5, a counter 24 and a counting seat 25 are provided on one side of the vertical plate 2, and the counting seat 25 is connected with the handle of the counter 24 by a spring 26, and the handle of the counter 24 is connected with the piston of the drive cylinder 22 A stay cord 27 is connected between the bars. Therefore, when the piston rod of the drive cylinder 22 is downward, the handle of the counter 24 can be pulled by the stay cord 27 to count; Therefore, it is convenient for the staff to count the production quantity and avoid unnecessary waste.

As shown in Figures 6 and 7, the rolling mold 6 includes a long mold 28 and a short mold 29 with a gap 30 and a nut 7 for limiting the axial movement of the long mold 28 and the short mold 29, and the workpiece can be moved in the gap 30 Position on the long mold 28 and the short mold 29, and the long mold 28 and the short mold 29 are all provided with positioning holes 31, and the positioning holes 31 are pierced with positioning pins (not shown in the figure) for fixing the long mold 28 and the short mold 29 ), through the cooperation of the positioning hole 31 and the positioning pin, the installation and disassembly of the long mold 28 and the short mold 29 can be facilitated; and the setting of the long mold 28 and the short mold 29 can facilitate selection according to the processing conditions, and can be used alone The long mold 28 or the short mold 29 can also be processed in combination with the long mold 28 and the short mold 29. What is used in the figure is the combination of the long mold 28 and the short mold 29. In addition, the long mold 28 and the short mold need to be combined The gap 30 of 29 is aligned.

As shown in Figure 7, several lightening holes 32 are also arranged on the long mold 28 and the short mold 29, through which the weight reducing holes 32 can not only reduce the production cost, but also reduce the weight of the long mold 28 and the short mold 29, which is convenient for work Personnel handling.

As shown in Figure 6, one side of the platen 1 is fixed with a cabinet 33, and the cabinet 33 is respectively provided with a PLC controller 1 and a PLC controller 2 (not shown in the figure) for controlling the opening and closing of the drive motor 12 and the drive cylinder 22 The outside of the case 33 is provided with a control button 1 34 and a control button 2 35 electrically connected to the PLC controller 1 and the PLC controller 2 respectively. Therefore, when in use, the drive motor 12 and the drive cylinder 22 can be controlled respectively through the control button 1 34 and the control button 2 35, thereby simplifying the operation process and improving work efficiency.

The machining process of the workpiece is as follows:

1. Position one end of the workpiece in the gap 30 of the long mold 28 or/and short mold 29, and keep it flush with the gap 30;

2. Press the control button 2 35 to start the driving cylinder 22 so that the two pressing wheels 17 move down and abut against the upper end surface of the workpiece, so as to apply deformation pressure to the workpiece;

3. Press the control button one 34 to start the drive motor 12 to drive the long mold 28 and the short mold 29 to rotate, and when the pressing wheel 17 and the surface of the workpiece rotate relative to each other, the pressing wheel 17 can always press against the surface of the workpiece surface, so that the workpiece can always be attached to the surface of the long mold 28 and the short mold 29 to rotate and gradually deform until forming a shape that matches the long mold 28 and the short mold 29;

4. After the workpiece is formed, press the control button 1 34 and the control button 2 35 successively, that is, turn off the driving motor 12 and the driving cylinder 22, and then remove the formed workpiece;

5. Weld the two ends of the formed workpiece to form a closed shape, that is, complete the processing of the workpiece.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the design concept of the present invention shall be included in the protection scope of the present invention within.

Claims (10)

1. A variable-curvature rolling forming device, comprising a platen (1) and a rolling mechanism (101) arranged on the platen (1), characterized in that: the platen (1) is fixed with Two vertical plates (2) parallel to each other, the two vertical plates (2) are respectively provided with coaxial first connection holes (3) and located above the radial side of the first connection hole (3). The second connecting hole (4), the rolling mechanism (101) includes: The rolling shaft (5) is rotatably connected in the first connecting hole (3); Rolling mold (6), is arranged on an end of described rolling shaft (5); A driving assembly (8), arranged at an end of the rolling shaft (5) away from the rolling mold (6), for driving the rolling mold (6) to rotate; The pressing shaft (9) is rotatably connected in the second connecting hole (4); A pressing assembly (10), arranged at one end of the pressing shaft (9) and above the rolling die (6); Lifting assembly (11), arranged on the end of the pressing shaft (9) away from the pressing assembly (10), used to drive the pressing assembly (10) close to or away from the rolling mold (6) ; When the pressing assembly (10) moves down, it abuts against the outer surface of the rolling die (6) and rotates relative to the rolling die (6), and when the pressing assembly (10) moves up away from the rolling die (6). 2. The variable curvature roll forming equipment according to claim 1, characterized in that: the drive assembly (8) includes a drive motor (12), a sprocket (13) and a chain (14), and the platen ( 1) The bottom is provided with a fixed frame (15), the drive motor (12) is fixed on the fixed frame (15), and the sprocket (13) has two and respectively connected with the drive motor (12) The output shaft is fixedly connected to one end of the winding shaft (5), and the two sprockets (13) are connected through the chain (14). 3. The variable-curvature roll forming equipment according to claim 2, characterized in that a dust cover (16) is provided on the side of the platen (1) close to the drive assembly (8), and the sprocket (13) and chain (14) are all arranged in the described dustproof cover (16). 4. The variable curvature roll forming equipment according to claim 1, characterized in that: the pressing assembly (10) includes a pressing wheel (17), a pressing wheel frame (18) and a pressing wheel rocker arm (19) , one end of the pressure wheel rocker arm (19) is fixedly connected to the pressure material shaft (9), and the other end is connected to the pressure material wheel (17) through the pressure wheel frame (18), and the pressure wheel frame (18) has two and the two ends of described pressure roller rocking arm (19) and pressure material wheel (17) are all rotatably connected between two described pressure roller frames (18) by mounting shaft (20). 5. The variable curvature roll forming equipment according to claim 4, characterized in that: bearings are arranged between the installation shaft (20), the rocker arm (19) of the pressing roller (19) and the pressing roller (17) (twenty one). 6. The variable curvature roll forming equipment according to claim 4, characterized in that: the lifting assembly (11) includes a driving cylinder (22) and a cylinder rocker arm (23), and one end of the driving cylinder (22) is hinged On the upper end surface of the platen (1), the other end is hinged to one end of the cylinder rocker arm (23), and the other end of the cylinder rocker arm (23) is connected to the pressing shaft (9) through a bushing. Fixed connection. 7. The variable curvature roll forming equipment according to claim 6, characterized in that: a counter (24) and a counting seat (25) are arranged on one side of the vertical plate (2), and the counting seat (25) and the counting seat (25) are A spring (26) is connected between the handles of the counter (24), and a pull rope (27) is connected between the handle of the counter (24) and the piston rod of the driving cylinder (22). 8. The variable curvature roll forming equipment according to claim 1, characterized in that: the roll mold (6) comprises a long mold (28) and a short mold (29), and the long mold (28) and the short mold Positioning holes (31) are provided on the molds (29), and positioning pins for fixing the long mold (28) and the short mold (29) are perforated in the positioning holes (31). 9. The variable curvature roll forming equipment according to claim 8, characterized in that: the long mold (28) and the short mold (29) are also provided with several weight-reducing holes (32). 10. The variable-curvature rolling forming equipment according to claim 1, characterized in that: a cabinet (33) is provided on one side of the table (1), and a box (33) for controlling the Described drive motor (12) and drive cylinder (22) open and close PLC controller one and PLC controller two, described cabinet (33) outside is provided with respectively with described PLC controller one and PLC controller two electrically connected Control button one (34) and control button two (35).