CN110064673B - Guide and guard device for compositely rolling multi-layer metal - Google Patents

Abstract

The invention relates to a guide and guard device for compositely rolling multi-layer metal. The technical proposal is as follows: the base (1) is movably connected with the guide frame (4) through the connecting bracket (2), an inlet guide wheel (3) is arranged on the left side of the guide frame (4), 2 wide and thick regulating rollers (5) and 2 pre-clamping rollers (6) are sequentially arranged inside the guide frame (4) from left to right, and a top plate (7) is fixed at the tops of side plates on two sides of the guide frame (4) along the front and rear directions. The 2 wide and thick regulating rollers (5) are movably connected with the side plates at two sides through respective regulating roller mounting holes (20), and the pre-clamping rollers (6) are symmetrically arranged in the upper clamping roller mounting holes (24) of the top plate (7) and the lower clamping roller mounting holes (21) of the bottom plate of the guide frame (4). The structure of the clamping roller seat (30) is the same as that of the adjusting roller seat (27), one end of the pull rod (34) is in threaded connection with a pull rod screw hole (37) of the roller seat (36), and a spring (35) is sleeved between the gasket (33) and the roller seat (36). The invention has the characteristics of simple structure, low cost, convenient maintenance, good stability and strong universality.

Description

A guide device for composite rolled multi-layer metal

Technical field

The invention belongs to the technical field of guide devices. In particular, it relates to a composite rolled multi-layer metal guide device.

Background technique

With the rapid development of science and technology, new composite materials have gradually begun to replace traditional materials in various industries. Composite materials obtained through rolling composite forming technology can alleviate the dilemma of increasing market demand. Multi-layer plate and strip metal can obtain excellent comprehensive properties of each layer of metal materials through composite rolling, making the composite rolling process the focus of current research. During the multi-metal composite rolling forming process, rolled parts are prone to defects such as splitting and difficulty in bonding, which affect the performance of composite materials and reduce production efficiency. Therefore, by installing a suitable guide device for composite rolling multi-layer metal at the entrance of the rolling mill, the above defects can be reduced, the loss of raw materials can be saved, and the yield of composite materials can be improved.

The existing metal rolling composite device is an integral type, such as the patented technology of "A Multi-layer Metal Rolling Composite Device" (201710466239.1). During composite rolling, the positioning device for the composite rolling entrance has a single function, while the multi-layer metal rolling composite device controls the multi-layer metal rolling composite device. The width of the composite plate is fixed. A multi-layer metal rolling composite device is only suitable for a specific width specification, has no versatility, and increases production costs. And once the multi-layer metal positioning part at the entrance is damaged, the entire device cannot be used, facing the waste of overall replacement.

Contents of the invention

The present invention aims to overcome the shortcomings of the prior art, and aims to provide a composite rolled multi-layer metal guide device with simple structure, low cost, convenient maintenance, good stability and strong versatility.

In order to achieve the above object, the technical solution adopted by the present invention is: the guide device is composed of a base, a connecting bracket, an entrance guide wheel, a guide frame, a width and thickness adjustment roller, a pre-clamping roller and a top plate. The base is movably connected to the guide frame through the connecting bracket. The left side of the guide frame is equipped with an entrance guide wheel. The inside of the guide frame is equipped with 2 width and thickness adjustment rollers and 2 pre-clamping rollers from left to right. The top plate is installed along the front and rear edges. The direction is fixed on the top of the side panels on both sides of the guide frame.

The base consists of a seat plate, 4 upright columns and 4 lower link supports. The seat plate is a rectangular parallelepiped, with four columns symmetrically fixed in the center near the four corners of the seat plate; four lower link supports symmetrically fixed in the center on the upper plane of the seat plate, 2 lower link supports on the left and 2 lower links on the right. The rod supports are located inside the two corresponding columns.

The connecting bracket is composed of 4 lower connecting rods, 4 upper connecting rods, a first connecting rod shaft, a second connecting rod shaft and a screw rod.

The first connecting rod shaft is a whole composed of a rectangular parallelepiped in the middle and symmetrical axes at both ends. The two ends of the first connecting rod shaft are equipped with lower connecting rods and upper connecting rods axially symmetrically. The middle position of the cuboid is equipped with Thrust bearing; the second connecting rod shaft is a whole composed of a rectangular parallelepiped in the middle and symmetrical axes at both ends. The two ends of the second connecting rod shaft are axially symmetrically equipped with lower connecting rods and upper connecting rods. The middle of the cuboid There are threaded through holes at the location.

The four lower links are respectively hinged with the four lower link supports corresponding to the plane on the seat plate, and the four upper links are respectively hinged with the upper link supports corresponding to the guide frame.

The screw rod is an integral body composed of a rod with an external thread in the middle and a handle. One end of the rod with an external thread in the middle passes through the threaded through hole of the second connecting rod shaft and is movably connected to the thrust bearing of the first connecting rod shaft. .

The entrance guide wheel includes a pulley, a pulley fixing frame and two bushing fixing blocks. The pulley fixed frame is a whole composed of a right-angled trapezoidal block and a pulley seat. The pulley seat is located on the short side of the right-angled trapezoidal block; the pulley is fixed on the pulley seat. There are 2 bushing fixed blocks fixed on the long side of the trapezoidal block. The shaft sleeve fixed block is symmetrically provided with shaft holes.

The guide frame is composed of a base plate, 2 side plates, 2 bushings and 4 upper link supports. Side plates are fixed symmetrically on both sides of the base plate, and axle sleeves are symmetrically provided on the left sides of the two side plates. The two axle sleeves are connected to the shaft holes of the two axle sleeve fixing blocks of the two inlet guide wheels through bolts. The lower plane of the base plate is centrally symmetrically provided with upper link supports near the four corners, and the upper link supports are located directly above the corresponding upper links.

Column holes are provided symmetrically in the center near the four corners of the base plate, and the four columns are movably installed into the corresponding four column holes of the base plate. The bottom plate is symmetrically provided with lower clamping roller mounting holes, and the horizontal distance between the center line of the lower clamping roller mounting hole and the right side of the side plate is 0.3 to 0.4 times the length of the side plate.

The two side panels are symmetrically provided with adjusting roller mounting holes. The horizontal distance between the center line of the adjusting roller mounting hole and the left side of the side panel is 0.3 to 0.4 times the length of the side panel. The vertical distance between the edges is 0.1 to 0.15 times the height of the side panels. The top plate fixed on the top of the side plates on both sides is a strip plate. The center line of the top plate and the center line of the lower clamping roller mounting hole are located on the same vertical plane. There are upper clamping roller mounting holes near both ends of the strip plate. The mounting holes of the upper clamping roller and the mounting holes of the lower clamping roller are arranged symmetrically.

The two width and thickness adjustment rollers are movably connected to the side plate through their respective adjustment roller mounting holes. The upper clamping roller mounting holes of the top plate and the lower clamping roller mounting holes of the bottom plate of the guide frame are symmetrically equipped with pre-clamping rollers.

The width and thickness adjustment roller consists of an adjustment roller, an adjustment block and two adjustment roller seats. As shown in Figure 10, the roller body of the adjusting roller is cylindrical, and the roller body is symmetrically provided with an annular boss along the axial direction. The distance between the annular boss and the end face of the roller body is 0.2 to 0.25 times the length of the roller body. The annular boss There are two adjusting block fixing holes symmetrically arranged on the middle axis. The center line of the two adjusting block fixing holes is the same plain line. The two adjusting block fixing holes are equidistantly distributed between the annular bosses.

The adjusting block is a semi-circular ring block, the inner diameter of the semi-circular ring block is the same as the nominal size of the adjusting roller body, the outer diameter of the semi-circular ring block is the same as the outer diameter of the annular boss; the middle position of the semi-circular ring block is along the diameter There are counterbore holes in the direction.

The adjusting block is threadedly connected to the adjusting block fixing hole of the adjusting roller through a counterbore, and the roller shafts at both ends of the adjusting roller are movably installed into the adjusting roller seat.

The pre-clamping roller is composed of two clamping roller seats and a clamping roller. The clamping roller is a whole body composed of a cylinder in the middle and roller shafts symmetrically provided at both ends. The roller shafts at both ends of the clamping roller are movable. Install into the clamping roller seat.

The clamping roller seat and the adjusting roller seat have the same structure, and are composed of nuts, washers, pull rods, springs and roller seats.

The pull rod is in the shape of a rod, and both ends of the pull rod are provided with external threads. The directions of the external threads at the two ends of the pull rod are opposite.

The roller base is in the shape of a square. The roller base is provided with an axis hole along the vertical direction. A tie rod screw hole is provided at the center of one side of the roller base along the horizontal direction. The depth H of the tie rod screw hole satisfies the following conditions:

H＜H1-R (1)

In formula (1): H1 represents the distance from the surface of the tie rod screw hole opening to the center line of the shaft hole, mm;

R represents the radius of the shaft hole, mm.

One end of the pull rod is threadedly connected to the pull rod screw hole of the roller base, the other end of the pull rod is equipped with a gasket and a nut, and a spring is installed between the gasket and the roller base.

The thickness of the adjustment block is 0.1 to 0.4 times the distance between the annular bosses of the adjustment roller.

Due to the adoption of the above technical solution, the present invention has the following positive effects compared with the prior art:

The connecting bracket of the present invention is connected to the corresponding base and guide frame through the lower connecting rod and the upper connecting rod. The distance between the first connecting rod axis and the second connecting rod axis is adjusted by rotating the screw rod to drive the lower connecting rod and the upper connecting rod. The relative movement realizes the movement of the guide frame on the column, with simple structure and good stability.

The pulley fixing frame of the entrance guide wheel of the present invention allows multi-layer metal to easily enter the roll entrance without easily forming rolling defects, and the guiding effect for composite rolling is more obvious. The shaft sleeve fixed block is connected to the guide frame through bolts and nuts. The included angle α=20~55° formed by the connection of the shaft sleeves can adapt to the width of the composite rolling piece, ensuring the smooth progress of multi-layer metal composite rolling, with simple structure and strong applicability.

The pull rod of the width and thickness adjustment roller of the present invention is movably connected to the side plates on both sides through the respective adjustment roller mounting holes. The adjustment roller base is driven by the adjustment nut to move, thereby realizing the width adjustment between the two left and right width and thickness adjustment rollers, and has strong applicability. .

The pull rod of the pre-clamping roller of the present invention is movably connected to the top plate and the bottom plate of the guide frame through the corresponding lower clamping roller installation hole. Through the adjusting nut, the clamping roller seat (30) is driven to move, realizing two upper and lower pre-clamping Thickness adjustment between holding rollers, strong applicability.

The clamping roller seat and the adjusting roller seat of the present invention have the same structure, are low in cost, easy to maintain and have strong versatility. The tie rod sets of the clamping roller seat and the adjusting roller seat are equipped with springs, which form a clamping force in the width and thickness directions of the multi-layer metal during composite rolling, effectively suppressing the cross-dislocation defect of the width position of the rolled piece caused by composite rolling. The flatness of the composite rolled parts after rolling is fully improved.

The adjusting roller and the clamping roller of the present invention are respectively connected to the corresponding adjusting roller seat and the clamping roller seat through plane needle bearings, ensuring that the guide mode in the width and thickness adjusting roller and the pre-clamping roller during the composite rolling of the rolled piece is Rolling friction greatly reduces the guiding force at the entrance of composite rolling. Adjusting blocks of different thicknesses are installed on the roller surface of the adjusting roller. The adjusting blocks of different thicknesses cooperate with multi-layer metals of different composite rolling thickness specifications, so that the rolled piece entrance of the entrance guide device is closer to the roller entrance of the composite rolling. The thickness and width direction of the multi-layer metal rolling stock are controlled at the entrance of the rolling mill, which regulates the overall thickness of the multi-layer rolling stock participating in the composite rolling process and avoids the large deformation of the composite rolling stock caused by the composite rolling process. Cracking defects, suitable for composite rolling of multi-layer rolling products of different thicknesses and widths, with strong versatility and reduced production costs.

Therefore, the present invention has the characteristics of simple structure, low cost, convenient maintenance, good stability and strong versatility.

Description of the drawings

Figure 1 is a schematic structural diagram of the present invention;

Figure 2 is a schematic top view of Figure 1;

Figure 3 is a structural schematic diagram of the base 1 in Figure 1;

Figure 4 is a structural schematic diagram of the connecting bracket 2 in Figure 1;

Figure 5 is an enlarged structural diagram of the inlet guide wheel 3 in Figure 1;

Figure 6 is an enlarged schematic structural view of the guide frame 4 in Figure 1;

Figure 7 is a schematic top view of Figure 6;

Figure 8 is an enlarged schematic diagram of the structure of the top plate 7 in Figure 1;

Figure 9 is an enlarged schematic diagram of the structure of the width and thickness adjustment roller 5 in Figure 1;

Figure 10 is a structural schematic diagram of the regulating roller 25 in Figure 9;

Figure 11 is a structural schematic diagram of the adjustment block 26 in Figure 9;

Figure 12 is an enlarged schematic diagram of the structure of the pre-clamping roller 6 in Figure 1;

Figure 13 is an enlarged schematic diagram of the structure of the adjusting roller seat 27 in Figure 9;

FIG. 14 is a schematic structural diagram of the roller base 36 in FIG. 13 .

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, which does not limit the scope of protection.

Example 1

A composite rolled multi-layer metal guide device. As shown in Figures 1 and 2, the guide device consists of a base 1, a connecting bracket 2, an entrance guide wheel 3, a guide frame 4, a thickness adjustment roller 5, a pre-clamping roller 6 and a top plate 7. The base 1 is movably connected to the guide frame 4 through the connecting bracket 2. The left side of the guide frame 4 is equipped with an entrance guide wheel 3. The inside of the guide frame 4 is equipped with 2 width and thickness adjustment rollers 5 and 2 preset rollers from left to right. The clamping roller 6 and the top plate 7 are fixed on the tops of the side plates on both sides of the guide frame 4 along the front and rear directions.

As shown in Figure 3, the base 1 is composed of a seat plate 8, four columns 9 and four lower link supports 10. The seat plate 8 is a rectangular parallelepiped, with four upright columns 9 centrally symmetrically fixed at the four corners of the seat plate 8; four lower link supports 10 centrally symmetrically fixed on the upper plane of the seat plate 8, and two lower link supports 10 on the left The two lower link supports 10 on the right side are respectively located inside the two corresponding columns 9.

As shown in FIG. 4 , the connecting bracket 2 is composed of four lower connecting rods 11 , four upper connecting rods 12 , a first connecting rod shaft 13 , a second connecting rod shaft 14 and a screw rod 15 .

As shown in Figure 4, the first connecting rod shaft 13 is a whole body composed of a rectangular parallelepiped in the middle and symmetrical axes at both ends. The two ends of the first connecting rod shaft 13 are axially symmetrically equipped with a lower connecting rod 11 and an upper connecting rod. The rod 12 is equipped with a thrust bearing at the middle position of the rectangular parallelepiped; the second connecting rod shaft 14 is a whole composed of a rectangular parallelepiped in the middle and symmetrical axes at both ends. The two ends of the second connecting rod shaft 14 are installed axially symmetrically. There is a lower connecting rod 11 and an upper connecting rod 12, and a threaded through hole is provided at the middle position of the cuboid.

As shown in Figure 1, the four lower links 11 are respectively hinged with the four lower link supports 10 corresponding to the upper plane of the seat plate 8, and the four upper links 12 are respectively hinged with the upper link supports 23 corresponding to the guide frame 4. Hinged separately.

As shown in Figure 4, the screw rod 15 is a whole body composed of a rod with an external thread in the middle and a handle. One end of the rod with an external thread in the middle passes through the threaded through hole of the second connecting rod shaft 14 and is connected to the first connecting rod. The thrust bearing of the rod shaft 13 is movably connected.

As shown in FIG. 5 , the inlet guide wheel 3 includes a pulley 16 , a pulley fixing frame 17 and two sleeve fixing blocks 18 . The pulley fixing frame 17 is a whole composed of a right-angled trapezoidal block and a pulley seat. The pulley seat is located at the short side of the right-angled trapezoidal block; the pulley 16 is fixed on the pulley seat, and 2 bushing fixing blocks 18 are fixed at the long side of the trapezoidal block. , the two sleeve fixed blocks 18 are symmetrically provided with shaft holes.

As shown in Figures 6 and 7, the guide frame 4 is composed of a bottom plate, two side plates, two bushings 19 and four upper link supports 23. Side plates are fixed symmetrically on both sides of the bottom plate, and axle sleeves 19 are symmetrically provided on the left sides of the two side plates. The two axle sleeves 19 pass through the axle holes of the two axle sleeve fixing blocks 18 of the two inlet guide wheels 3. Corresponding bolt connections. As shown in FIG. 6 , upper link supports 23 are provided centrally symmetrically near the four corners on the lower plane of the base plate. The upper link supports 23 are located directly above the corresponding upper links 12 .

As shown in Figures 1, 2 and 7, column holes 22 are centrally symmetrically provided near the four corners of the base plate, and four columns 9 are movably installed into the corresponding four column holes 22 of the base plate. As shown in Figure 7, the bottom plate is symmetrically provided with a lower clamping roller mounting hole 21. The horizontal distance between the center line of the lower clamping roller mounting hole 21 and the right side of the side plate is 0.3 to 0.35 times the length of the side plate.

As shown in Figures 6 and 7, the two side panels are symmetrically provided with adjusting roller mounting holes 20. The horizontal distance between the center line of the adjusting roller mounting hole 20 and the left side of the side panel is 0.3 to 0.35 times the length of the side panel. The vertical distance between the center line of the adjusting roller mounting hole 20 and the edge of the side plate is 0.1 to 0.15 times the height of the side plate. As shown in Figure 8, the top plate 7 fixed on the top of the side plates on both sides is a strip plate. As shown in Figures 1, 2 and 8, the center line of the top plate 7 and the center line of the clamping roller mounting hole 21 are located at the same vertical position. Surface, there are upper clamping roller mounting holes 24 near both ends of the strip plate; the upper clamping roller mounting holes 24 and the lower clamping roller mounting holes 21 are arranged symmetrically.

As shown in Figures 1, 2, 6, 7 and 8, the two width and thickness adjustment rollers 5 are movably connected to the side plates through their respective adjustment roller mounting holes 20, and the upper clamping roller mounting holes 24 and guides of the top plate 7 The lower clamping roller mounting hole 21 of the bottom plate of the guard frame 4 is symmetrically equipped with the pre-clamping roller 6.

As shown in FIG. 9 , the width and thickness adjustment roller 5 is composed of an adjustment roller 25 , an adjustment block 26 and two adjustment roller seats 27 . As shown in Figure 10, the roller body of the adjusting roller 25 is cylindrical, and the roller body is symmetrically provided with an annular boss along the axial direction. The distance between the annular boss and the end face of the roller body is 0.2 to 0.25 times the length of the roller body. Two adjusting block fixing holes 28 are symmetrically provided on the inter-table axis. The center line of the two adjusting block fixing holes 28 is the same plain line. The two adjusting block fixing holes 28 are equidistantly distributed between the annular bosses.

As shown in Figure 11, the adjusting block 26 is a semicircular ring block, the inner diameter of the semicircular ring block is the same as the nominal size of the roller body of the adjusting roller 25, and the outer diameter of the semicircular ring block is the same as the outer diameter of the annular boss; A counterbore 29 is provided in the middle of the ring block along the radial direction.

As shown in Figures 9, 10 and 11, the adjustment block 26 is threadedly connected to the adjustment block fixing hole 28 of the adjustment roller 25 through the counterbore 29, and the roller shafts at both ends of the adjustment roller 25 are movably installed in the adjustment roller seat 27. .

As shown in Figure 12, the pre-clamping roller 6 is composed of two clamping roller seats 30 and a clamping roller 31; the clamping roller 31 is a whole composed of a cylinder in the middle and roller shafts symmetrically provided at both ends. , the roller shafts at both ends of the clamping roller 31 are movably installed into the clamping roller seat 30 .

The clamping roller seat 30 and the adjusting roller seat 27 have the same structure, as shown in FIG. 13 , and are composed of a nut 32 , a gasket 33 , a pull rod 34 , a spring 35 and a roller seat 36 .

As shown in FIG. 13 , the pull rod 34 is in the shape of a rod. Both ends of the pull rod 34 are provided with external threads. The directions of the external threads at the two ends of the pull rod 34 are opposite.

As shown in Figure 14, the roller base 36 is in the shape of a square. The roller base 36 is provided with an axis hole in the vertical direction. A tie rod screw hole 37 is provided in the horizontal direction at the center of one side of the roller base 36. The tie rod screw hole is The depth H of 37 satisfies the following conditions:

H＜H1-R (1)

In formula (1): H1 represents the distance from the surface of the tie rod screw hole 37 opening to the center line of the shaft hole, mm;

R represents the radius of the shaft hole, mm.

As shown in Figures 13 and 14, one end of the pull rod 34 is threadedly connected to the pull rod screw hole 37 of the roller base 36. The other end of the pull rod 34 is equipped with a gasket 33 and a nut 32. The gasket 33 and the roller base 36 are fitted together. There are 35 springs.

As shown in FIGS. 9 and 13 , the thickness of the adjustment block 26 is 0.1 to 0.25 times the distance between the annular bosses of the adjustment roller 25 .

Example 2

A composite rolled multi-layer metal guide device. Except for the following technical parameters, the rest are the same as Example 1:

The horizontal distance between the center line of the lower clamping roller mounting hole 21 and the right side of the side plate is 0.35 to 0.4 times the length of the side plate;

The horizontal distance between the center line of the adjustment roller mounting hole 20 and the left side of the side plate is 0.35 to 0.4 times the length of the side plate;

The thickness of the adjustment block 26 is 0.25 to 0.4 times the distance between the annular bosses of the adjustment roller 25 .

Compared with the existing technology, this specific implementation has the following positive effects:

The connecting bracket 2 of this specific embodiment is connected to the corresponding base 1 and guide frame 4 through the lower link 11 and the upper link 12, and the rotation of the first link shaft 13 and the second link shaft 14 is adjusted by rotating the screw rod 15. distance, driving the relative movement of the lower link 11 and the upper link 12 to realize the movement of the guide frame 4 on the column 9, with a simple structure and good stability.

The pulley fixing frame 17 of the entrance guide wheel 3 of this specific embodiment allows multi-layer metal to easily enter the roll entrance without easily forming rolling defects, and the guiding effect for composite rolling is more obvious. The sleeve fixed block 18 is fixed by bolts and nuts. The included angle α=20-55° formed by the connection with the bushing 19 of the guide frame 4 can be adapted to the width of the composite rolled piece, ensuring the smooth progress of multi-layer metal composite rolling, with simple structure and strong applicability.

The tie rods 34 of the width and thickness adjustment roller 5 in this specific embodiment are movably connected to the side plates on both sides through the respective adjustment roller mounting holes 20, and the adjustment roller seat 27 is driven by the adjustment nut to move, thereby realizing the gap between the two width and thickness adjustment rollers 5 on the left and right. Width adjustment, strong applicability.

The tie rod 34 of the pre-clamping roller 6 in this specific embodiment is movably connected to the top plate 7 and the bottom plate of the guide frame 4 through the corresponding lower clamping roller mounting hole 21. The adjusting nut drives the clamping roller seat 30 to move, thus realizing The thickness adjustment between the upper and lower pre-clamping rollers 6 has strong applicability.

The clamping roller seat 30 and the adjusting roller seat 27 of this specific embodiment have the same structure, and are low in cost, easy to maintain and highly versatile. The tie rods 34 of the clamping roller seat 30 and the adjusting roller seat 27 are equipped with springs 35, which form a clamping force in the width and thickness directions of the multi-layer metal during composite rolling, effectively suppressing the intersection of the width positions of the rolled pieces caused by composite rolling. The misalignment defects fully improve the flatness of the composite rolled parts after rolling.

The adjusting roller 25 and the clamping roller 31 of this specific embodiment are respectively connected to the corresponding adjusting roller seat 27 and the clamping roller seat 30 through plane needle bearings, which ensures that the width and thickness adjusting roller 5 and the pre-clamping roller 5 are connected when the rolling stock is compound rolled. The guiding method in the holding roller 6 is rolling friction, which greatly reduces the guiding force at the entrance of the composite rolling process. Adjustment blocks 26 of different thicknesses are installed on the roller surface of the adjustment roller 25. The adjustment blocks 26 of different thicknesses cooperate with multi-layer metals of different composite rolling thickness specifications to make the entrance of the rolled piece of the entrance guide device closer to the composite rolling roller. At the entrance of the rolling mill, the thickness and width direction of the multi-layer metal rolling stock are controlled, which regulates the overall thickness of the multi-layer rolling stock participating in the composite rolling process and avoids large deformation caused by the composite rolling process. Cracking defects in composite rolling stock. It is suitable for composite rolling of multi-layer rolling stock with different thicknesses and widths. It has strong versatility and reduces production costs.

Therefore, this specific embodiment has the characteristics of simple structure, low cost, convenient maintenance, good stability and strong versatility.

Claims (2)

1. The guide device for compositely rolling the multi-layer metal is characterized by comprising a base (1), a connecting bracket (2), an inlet guide wheel (3), a guide frame (4), a width and thickness adjusting roller (5), a pre-clamping roller (6) and a top plate (7); the base (1) is movably connected with the guide frame (4) through the connecting bracket (2), an inlet guide wheel (3) is arranged on the left side of the guide frame (4), 2 wide and thick regulating rollers (5) and 2 pre-clamping rollers (6) are sequentially arranged in the guide frame (4) from left to right, and a top plate (7) is fixed on the tops of side plates on two sides of the guide frame (4) along the front-rear direction;

the base (1) consists of a seat plate (8), 4 upright posts (9) and 4 lower connecting rod supports (10); the seat board (8) is a cuboid, and 4 upright posts (9) are symmetrically fixed at the positions, close to four corners, of the seat board (8) in a central mode; the 4 lower connecting rod supports (10) are symmetrically fixed on the upper plane of the seat plate (8) in a central mode, and the left 2 lower connecting rod supports (10) and the right 2 lower connecting rod supports (10) are respectively positioned on the inner sides of the 2 corresponding upright posts (9);

the connecting support (2) consists of 4 lower connecting rods (11), 4 upper connecting rods (12), a first connecting rod shaft (13), a second connecting rod shaft (14) and a screw rod (15);

the first connecting rod shaft (13) is an integral body composed of a cuboid in the middle and symmetrical shafts at two ends, a lower connecting rod (11) and an upper connecting rod (12) are axially symmetrically arranged at two ends of the first connecting rod shaft (13), and a thrust bearing is arranged at the middle position of the cuboid; the second connecting rod shaft (14) is an integral body composed of a cuboid in the middle and symmetrical shafts at two ends, a lower connecting rod (11) and an upper connecting rod (12) are axially symmetrically arranged at two ends of the second connecting rod shaft (14), and a threaded through hole is formed in the middle of the cuboid;

the 4 lower connecting rods (11) are respectively hinged with 4 lower connecting rod supports (10) corresponding to the upper plane of the seat plate (8), and the 4 upper connecting rods (12) are respectively hinged with upper connecting rod supports (23) corresponding to the guide frame (4);

the screw rod (15) is an integral body composed of a rod piece with external threads in the middle and a handle, and one end of the rod piece with the external threads in the middle penetrates through a threaded through hole of the second connecting rod shaft (14) to be movably connected with a thrust bearing of the first connecting rod shaft (13);

the inlet guide wheel (3) comprises a pulley (16), a pulley fixing frame (17) and 2 shaft sleeve fixing blocks (18); the pulley fixing frame (17) is an integral body formed by a right trapezoid block and a pulley seat, and the pulley seat is positioned at the short side of the right trapezoid block; the pulley (16) is fixed on the pulley seat, 2 shaft sleeve fixing blocks (18) are fixed at the long edge of the trapezoid block, and shaft holes are symmetrically formed in the 2 shaft sleeve fixing blocks (18);

the guide frame (4) consists of a bottom plate, 2 side plates, 2 shaft sleeves (19) and 4 upper connecting rod supports (23); side plates are symmetrically fixed on two sides of the bottom plate, shaft sleeves (19) are symmetrically arranged on the left sides of the 2 side plates, and the 2 shaft sleeves (19) are correspondingly connected with shaft holes of 2 shaft sleeve fixing blocks (18) of the 2 inlet guide wheels (3) through bolts; the lower plane of the bottom plate is provided with upper connecting rod supports (23) which are symmetrically arranged near the centers of four corners, and the upper connecting rod supports (23) are positioned right above the corresponding upper connecting rods (12);

upright post holes (22) are symmetrically arranged at the centers of four corners close to the bottom plate, and 4 upright posts (9) are movably arranged in the 4 upright post holes (22) corresponding to the bottom plate; the bottom plate is symmetrically provided with lower clamping roller mounting holes (21), and the horizontal distance between the center line of the lower clamping roller mounting holes (21) and the right side of the side plate is 0.3-0.4 times of the length of the side plate;

the two side plates are symmetrically provided with adjusting roller mounting holes (20), the horizontal distance between the center line of the adjusting roller mounting holes (20) and the left side of the side plate is 0.3-0.4 times of the length of the side plate, and the vertical distance between the center line of the adjusting roller mounting holes (20) and the upper edge of the side plate is 0.1-0.15 times of the height of the side plate; the top plates (7) fixed at the tops of the side plates at the two sides are strip-shaped plates, the center line of the top plates (7) and the center line of the lower clamping roller mounting holes (21) are positioned on the same vertical plane, and the positions close to the two ends of the strip-shaped plates are provided with upper clamping roller mounting holes (24); the upper clamping roller mounting holes (24) and the lower clamping roller mounting holes (21) are symmetrically arranged;

the 2 wide and thick regulating rollers (5) are movably connected with the side plates through respective regulating roller mounting holes (20), and pre-clamping rollers (6) are symmetrically arranged in upper clamping roller mounting holes (24) of the top plate (7) and lower clamping roller mounting holes (21) of the bottom plate of the guide frame (4);

the wide and thick regulating roller (5) consists of a regulating roller (25), a regulating block (26) and 2 regulating roller seats (27); the roller body of the regulating roller (25) is cylindrical, annular bosses are symmetrically arranged along the axial direction of the roller body, the distance between the annular bosses and the end face of the roller body is 0.2-0.25 times of the length of the roller body, 2 regulating block fixing holes (28) are symmetrically arranged on the axial line between the annular bosses, the central connecting lines of the 2 regulating block fixing holes (28) are the same plain line, and the 2 regulating block fixing holes (28) are distributed among the annular bosses at equal intervals;

the adjusting block (26) is a semicircular block, the inner diameter of the semicircular block is the same as the nominal size of the roller body of the adjusting roller (25), and the outer diameter of the semicircular block is the same as the outer diameter of the annular boss; a counter bore (29) is formed in the middle of the semicircular block along the radial direction;

the adjusting block (26) is in threaded connection with an adjusting block fixing hole (28) of the adjusting roller (25) through a counter bore (29), and roller shafts at two ends of the adjusting roller (25) are movably arranged in an adjusting roller seat (27);

the pre-clamping roller (6) consists of 2 clamping roller seats (30) and clamping rollers (31), the clamping rollers (31) are an integral body which is formed by a cylinder in the middle and rollers which are symmetrically arranged at two ends, and the rollers at two ends of the clamping rollers (31) are movably arranged in the clamping roller seats (30);

the clamping roller seat (30) and the adjusting roller seat (27) have the same structure and are composed of a nut (32), a gasket (33), a pull rod (34), a spring (35) and a roller seat (36);

the pull rod (34) is rod-shaped, external threads are arranged at two ends of the pull rod (34), and the directions of the external threads at two ends of the pull rod (34) are opposite;

the roller seat (36) is square, the roller seat (36) is provided with a shaft hole along the vertical direction, a side surface center position of the roller seat (36) is provided with a pull rod screw hole (37) along the horizontal direction, and the depth H of the pull rod screw hole (37) meets the following conditions:

H＜H1-R(1)

in the formula (1): h1 represents the distance from the surface of the orifice of the pull rod screw hole (37) to the central line of the shaft hole, mm,

r represents the radius of the shaft hole, and mm;

one end of the pull rod (34) is in threaded connection with a pull rod screw hole (37) of the roller seat (36), a gasket (33) and a nut (32) are arranged at the other end of the pull rod (34), and a spring (35) is sleeved between the gasket (33) and the roller seat (36).

2. The guide and guard device for clad-rolling multi-layer metal according to claim 1, wherein the thickness of the adjusting block (26) is 0.1-0.4 times the distance between annular bosses of the adjusting roller (25).