Leveling machine

Abstract

The utility model belongs to the technical field of plate adjusting equipment, and particularly relates to a leveler which comprises a base, an upper compression roller assembly, a lower compression roller assembly and a swing downward pressing assembly, the lower compression roller assembly is fixedly arranged on the base, and the swing downward pressing assembly is connected between the upper compression roller assembly and the lower compression roller assembly. The four corners of the upper pressing roller assembly and the four corners of the lower pressing roller assembly are each provided with a swing downward-pressing assembly, and the swing downward-pressing assemblies are connected with swing driving assemblies driving the swing downward-pressing assemblies to swing. The upper pressing roller assembly is connected to the lower pressing roller assembly in a lifting mode through the swing driving assemblies, lifting and pressing are achieved through the four swing driving assemblies, and the swing pressing assemblies are good in mechanical transmission stability and reliable in work. When the plate is pressed downwards to be leveled, the upper pressing roller assembly can be matched with the swing downwards-pressing assembly by means of the gravity of the upper pressing roller assembly so that the upper pressing roller assembly can make complete contact with the lower pressing roller assembly, and therefore the leveling effect of the leveler is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of plate material adjustment equipment, and in particular relates to a leveling machine. Background Art

[0002] Common defects of metal plates during rolling, cutting, heat treatment, cooling and transportation include waves, twists, sickle bends or local "bulges". In order to make the plate reach the required flatness without removing material, a leveling machine is needed to flatten the plate.

[0003] In current leveling machines, the upper roller group is generally connected to the frame through a lifting mechanism to form a leveling gap with the lower roller group. The plate to be adjusted is inserted into the leveling gap, and the upper roller group presses down and presses the plate together with the lower roller group to adjust the flatness of the plate. However, in existing leveling machines, the upper roller group is lowered using a motor, a speed reducer and a lifter, which makes the entire leveling machine structure complicated, and the reaction force during the leveling process will act on the speed reducer, which affects the service life of the speed reducer and makes it unreliable. Utility Model Content

[0004] The utility model aims to overcome the deficiencies of the prior art and provide a leveling machine with a simple structure and reliable operation.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a leveling machine, including a base, an upper pressure roller assembly, a lower pressure roller assembly and a swinging downward pressure assembly, the lower pressure roller assembly is fixedly arranged on the base, the swinging downward pressure assembly is connected between the upper pressure roller assembly and the lower pressure roller assembly, and a group of swinging downward pressure assemblies are respectively arranged at the four corners of the upper pressure roller assembly and the lower pressure roller assembly, and the swinging downward pressure assembly is connected to a swinging drive assembly for driving it to swing.

[0006] Preferably, the swinging pressing assembly includes an upper connecting rod and a lower connecting rod, the upper end of the upper connecting rod is rotatably connected to the lower pressing roller assembly, the lower end of the upper connecting rod is rotatably connected to the upper end of the lower connecting rod, and the lower end of the lower connecting rod is rotatably connected to the upper pressing roller assembly.

[0007] Preferably, the swing drive assembly includes a power source, a screw, a disc and a connecting rod buckle plate. The screw is connected to the power source, and the power source drives the screw to move back and forth laterally. The disc is fixed at one end of the screw. The lower end of the upper connecting rod and the upper end of the lower connecting rod are buckled on the outside of the disc. The two connecting rod buckle plates are buckled on both sides of the disc. The connecting rod buckle plate is rotatably connected to the upper connecting rod and the lower connecting rod, and a limiting structure is provided between the connecting rod buckle plate and the upper connecting rod and the lower connecting rod. The power source is rotatably connected to the lower pressure roller assembly.

[0008] Preferably, the limiting structure comprises a semicircular ring arranged at the lower end of the upper connecting rod and the upper end of the lower connecting rod, and a limiting groove is provided on the inner side of the connecting rod buckle plate, and the semicircular ring is rotatably arranged in the limiting groove.

[0009] Preferably, the power source includes a connecting rod motor and a screw reducer, the screw reducer is connected between the connecting rod motor and the lead screw, and the screw reducer is fixed to the lower pressure roller assembly through a reducer seat.

[0010] Preferably, the reducer seat is rotatably connected to the lower pressure roller assembly via a reducer seat shaft.

[0011] Preferably, each set of swing pressing components is independently connected to a swing driving component.

[0012] Preferably, an auxiliary lifting mechanism is provided between the upper pressing roller assembly and the lower pressing roller assembly.

[0013] Preferably, the auxiliary lifting mechanism includes a compression spring and a guide column, the guide column is fixedly and vertically arranged on the lower pressure roller assembly, the compression spring is sleeved on the outside of the guide column, and the compression spring is arranged between the upper pressure roller assembly and the lower pressure roller assembly.

[0014] Preferably, an adjusting bolt and a pressing piece are also provided at the upper end of the compression spring, the pressing piece is fixedly connected to the lower end of the adjusting bolt, and the adjusting bolt is threadedly connected to the upper pressure roller assembly.

[0015] Preferably, a feed roller and a discharge roller are respectively arranged at the front and rear ends of the upper pressure roller assembly and the lower pressure roller assembly, and the feed roller and the discharge roller each include two conveying rollers arranged vertically side by side.

[0016] Preferably, the lower pressure roller assembly includes a lower pressure roller frame and a lower pressure roller, the lower pressure roller is rotatably connected to the lower end of the lower pressure roller frame, the upper pressure roller assembly is movably arranged in the lower pressure roller frame, the upper pressure roller assembly includes an upper pressure roller fixing seat and an upper pressure roller, the upper pressure roller is rotatably connected to the upper pressure roller fixing seat, the upper pressure roller is arranged directly above the lower pressure roller, and the upper pressure roller and the lower pressure roller both include a plurality of conveying rollers arranged horizontally side by side.

[0017] Preferably, each conveying roller of the upper pressing roller and the lower pressing roller is connected to the output shaft of the pressing roller motor through a gear transmission group.

[0018] Preferably, the two connecting rods are an upper connecting rod and a lower connecting rod respectively, the upper end of the upper connecting rod is hinged to the upper end of the lower pressure roller frame, and the lower end of the lower connecting rod is hinged to the upper pressure roller fixing seat.

[0019] Compared with the prior art, the above technical solution has the following beneficial effects:

[0020] 1. The upper pressure roller assembly of the utility model is connected to the lower pressure roller assembly in a lifting manner through the swing drive assembly. The four sets of swing drive assemblies are lifted and pressed down. The mechanical transmission stability of the swing down-pressing assembly is good and the operation is reliable. When pressing down to level the plate, the upper pressure roller assembly can also use its own gravity to cooperate with the swing down-pressing assembly to make the upper pressure roller assembly and the lower pressure roller assembly fully contact, thereby improving the leveling effect of the leveling machine.

[0021] 2. An auxiliary lifting mechanism is arranged between the upper pressure roller assembly and the lower pressure roller assembly. The pressure of the compression spring gives the upper pressure roller assembly an upward lifting force, which can assist in swinging the lower pressure assembly to easily lift the upper pressure roller assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the utility model.

[0023] Figure 2 It is a structural schematic diagram of the other side of the utility model.

[0024] Figure 3 It is a side view of the utility model.

[0025] Figure 4 It is a schematic diagram of the structure of the swing-down component.

[0026] Figure 5 This is an exploded view of the swing-down assembly.

[0027] Figure 6 It is a schematic diagram of the structure of the lower pressure roller assembly.

[0028] Figure 7 for Figure 6 Enlarged view of point A in the middle.

[0029] Figure 8 This is a schematic diagram of the guide column after the compression spring is removed.

[0030] Fig. 9 It is a structural schematic diagram of the upper pressure roller assembly.

[0031] Wherein: 1, base 2, feed roller 3, upper pressure roller assembly 4, lower pressure roller assembly 5, swing lower pressure assembly 6, discharge roller 7, pressure roller motor 8, pressure roller reducer 9, lower pressure roller frame 10, lower pressure roller 11, compression spring 12, upper connecting rod connecting shaft 13, gear transmission group 14, adjustment bolt 15, guide column 16, upper pressure roller fixing seat 17, compression spring pressure block 18, upper pressure roller 19, lower connecting rod connecting shaft 20, support roller 21, connecting rod motor 22, screw nut assembly 23, screw 24, upper connecting rod 25, lower connecting rod 26, pressure piece 27, connecting rod buckle plate 28, disc 29, semicircular ring 30, limit groove. DETAILED DESCRIPTION

[0032] Figures 1 to 9 It is the best embodiment of the utility model, and the following Figures 1 to 9 The utility model is further described.

[0033] like Figures 1 to 3As shown, a leveling machine of the utility model comprises a base 1, an upper pressure roller assembly 3 and a lower pressure roller assembly 4. The lower pressure roller assembly 4 is fixedly arranged on the base 1, and the upper pressure roller assembly 3 is connected to the lower pressure roller assembly 4 in a liftable manner through a swing driving assembly 5. In order to make the upper pressure roller assembly 3 remain stable during the lifting and pressing process, a group of swing driving assemblies 5 are respectively arranged at the four corners of the upper pressure roller assembly 3 and the lower pressure roller assembly 4. The lifting and pressing are carried out by four groups of swing driving assemblies 5, and the mechanical transmission stability of the connecting rod is good.

[0034] A feed roller 2 and a discharging roller 6 are respectively arranged at the front and rear ends of the upper pressure roller assembly 3 and the lower pressure roller assembly 4. The feed roller 2 and the discharging roller 6 both include two conveying rollers arranged vertically side by side. The plate enters from between the two conveying rollers of the feed roller 2. The two conveying rollers rotate in opposite directions. The rotation of the feed roller 2 conveys the plate to the upper pressure roller assembly 3 and the lower pressure roller assembly 4 for leveling. The plate leveled by the upper pressure roller assembly 3 and the lower pressure roller assembly 4 is then conveyed out from between the two conveying rollers of the discharging roller 6.

[0035] like Figures 4 and 5 As shown, the swing drive assembly includes a power source, a screw 23, a disc 28 and a connecting rod buckle plate 27. The screw 23 is connected to the power source, and the power source drives the screw 23 to move back and forth laterally. The disc 28 is fixed at one end of the screw 23. The lower end of the upper connecting rod 24 and the upper end of the lower connecting rod 25 are buckled on the outside of the disc 28. Two connecting rod buckle plates 27 are buckled on both sides of the disc 28. The connecting rod buckle plate 27 is rotatably connected to the upper connecting rod 24 and the lower connecting rod 25, and a limiting structure is provided between the connecting rod buckle plate 27 and the upper connecting rod 24 and the lower connecting rod 25. The power source is rotatably connected to the lower pressure roller assembly 4.

[0036] The power source includes a connecting rod motor 21 and a screw reducer 22, the screw reducer 22 is connected between the connecting rod motor 21 and the lead screw 23, the screw reducer 22 is fixed to the lower pressure roller assembly 4 through a reducer seat, and the reducer seat is rotatably connected to the lower pressure roller assembly 4 through a reducer seat shaft. The connecting rod motor 21 drives the screw reducer 22 to work, drives the lead screw 23 to move back and forth horizontally, thereby pulling the upper connecting rod 24 and the lower connecting rod 25 to swing.

[0037] The limiting structure includes a semicircular ring 29 arranged at the lower end of the upper connecting rod 24 and the upper end of the lower connecting rod 25. A limiting groove 30 is provided on the inner side of the connecting rod buckle plate 27. The semicircular ring 29 is rotatably set in the limiting groove 30. The buckle plate 27 is connected to realize the connection between the upper connecting rod 24, the lower connecting rod 25 and the screw 23.

[0038] like Figure 6 and 9As shown, the lower pressure roller assembly 4 includes a lower pressure roller frame 9 and a lower pressure roller 10, the lower pressure roller frame 9 is fixedly installed on the base 1, the lower pressure roller 10 is rotatably connected to the lower end of the lower pressure roller frame 9, and the upper pressure roller assembly 3 is movably arranged in the lower pressure roller frame 9; the upper pressure roller assembly 3 includes an upper pressure roller fixing seat 16 and an upper pressure roller 18, the upper pressure roller 18 is rotatably connected to the upper pressure roller fixing seat 16, and the upper pressure roller 18 is arranged directly above the lower pressure roller 10. The upper pressure roller 18 and the lower pressure roller 10 both include a plurality of conveying rollers arranged horizontally side by side. Each conveying roller is connected to the output shaft of the pressure roller motor 7 through the gear transmission group 13. In the present embodiment, the pressure roller motor 7 first transmits power to the pressure roller reducer 8, and then transmits it to the gear transmission group 13. The gears of the gear transmission group 13 respectively drive the conveying rollers of the upper pressure roller 18 and the lower pressure roller 10 to rotate synchronously. Support rollers 20 are also arranged above the upper pressure roller 18 and below the lower pressure roller 10. The support rollers 20 support the upper pressure roller 18 and the lower pressure roller 10 to further ensure that the upper pressure roller 18 and the lower pressure roller 10 will not jump during the leveling process.

[0039] An upper connecting rod connecting shaft 12 is arranged at the upper end of the lower pressure roller frame 9, the upper end of the upper connecting rod 24 is hinged to the upper end of the lower pressure roller frame 9, a lower connecting rod connecting shaft 19 is arranged on the upper pressure roller fixing seat 16, and the lower end of the lower connecting rod 25 is hinged to the upper pressure roller fixing seat 16. When each connecting rod motor 21 drives the lead screw 23 to move backward, the lead screw 23 pulls the hinge point of the upper connecting rod 24 and the lower connecting rod 25, so that the two ends of the upper connecting rod 24 and the lower connecting rod 25 are close to each other, but the upper connecting rod 24 is hinged on the fixed lower pressure roller frame 9, so the lower connecting rod 25 lifts the movable upper pressure roller fixing seat 16 upward to separate the upper pressure roller 18 and the lower pressure roller 10; when each connecting rod motor 21 drives the lead screw 23 to move forward, the lead screw 23 pushes the hinge point of the upper connecting rod 24 and the lower connecting rod 25, so that the two ends of the upper connecting rod 24 and the lower connecting rod 25 are separated, and similarly the upper connecting rod 24 is hinged on the fixed lower pressure roller frame 9, so the lower connecting rod 25 presses the movable upper pressure roller fixing seat 16 downward to make the upper pressure roller 18 fit on the lower pressure roller 10, and level the plate between the upper pressure roller 18 and the lower pressure roller 10.

[0040] like Figure 7-8 As shown, an auxiliary lifting mechanism is arranged between the upper pressure roller assembly 3 and the lower pressure roller assembly 4. In this embodiment, the auxiliary lifting mechanism includes a compression spring 11 and a guide column 15. The guide column 15 is fixedly vertically arranged on the lower pressure roller frame 9, and the compression spring 11 is sleeved on the outside of the guide column 15. The compression spring 11 is arranged between the upper pressure roller fixing seat 16 and the lower pressure roller frame 9. The pressure of the compression spring 11 gives the upper pressure roller fixing seat 16 an upward lifting force, which can assist each swing drive assembly 5 to easily lift the upper pressure roller assembly. When pressing down to level the plate, the upper pressure roller assembly 3 can use its own gravity to cooperate with the swing drive assembly 5 to make the upper pressure roller assembly 3 and the lower pressure roller assembly 4 fully contact.

[0041] A compression spring pressure block 17 is provided at the compression spring 11 corresponding to the upper pressure roller fixing seat 16. In the present embodiment, an auxiliary lifting mechanism is provided at each of the four corners of the upper pressure roller assembly 3. An adjusting bolt 14 and a pressure piece 26 are also provided at the upper end of the compression spring 11. The pressure piece 26 is fixedly connected to the lower end of the adjusting bolt 14. The adjusting bolt 14 is threadedly connected to the upper pressure roller assembly 3. The pressure piece 26 is pressed tightly against the upper end of the compression spring 11. By rotating the adjusting bolt 14, the position of the pressure piece 26 can be adjusted, thereby adjusting the elastic force of the compression spring 11.

[0042] When the utility model is in use, the plate enters the upper pressure roller assembly 3 and the lower pressure roller assembly 4 from between the two conveying rollers of the feed roller 2, and each connecting rod motor 21 drives the lead screw 23 to move forward, and the lead screw 23 pushes the upper connecting rod 24 and the lower connecting rod 25 to swing through the disc 28, and the lower connecting rod 25 presses the movably arranged upper pressure roller fixing seat 16 downward, so that the upper pressure roller 18 fits on the lower pressure roller 10, and the plate between the upper pressure roller 18 and the lower pressure roller 10 is leveled, and the plate leveled by the upper pressure roller assembly 3 and the lower pressure roller assembly 4 is then conveyed out from between the two conveying rollers of the discharge roller 6; after the leveling is completed, each connecting rod motor 21 drives the lead screw 23 to move backward, and the lead screw 23 pulls the hinge point of the upper connecting rod 24 and the lower connecting rod 25, and the lower connecting rod 25 lifts the movably arranged upper pressure roller fixing seat 16 upward, so that the upper pressure roller 18 and the lower pressure roller 10 are separated. The utility model lifts and presses down through four groups of swing drive components 5, and the mechanical transmission stability of the connecting rod is good. When pressing down to level the plate, the upper pressure roller component 3 can use its own gravity to cooperate with the swing drive component 5 to make the upper pressure roller component and the lower pressure roller component fully contact, thereby improving the leveling effect of the leveling machine.

[0043] The swinging pressing assembly can also adopt a cam structure, using the lead screw 23 or the push rod to drive the cam to swing, and using the cam curved surface to realize the downward movement of the upper pressing roller assembly 3.

[0044] The above is only the preferred embodiment of the utility model, and does not limit the utility model in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the technical solution of the utility model still belongs to the protection scope of the technical solution of the utility model.

Claims

1. A leveling machine, characterized in that: The invention comprises a base (1), an upper pressure roller assembly (3), a lower pressure roller assembly (4) and a swinging pressure assembly, wherein the lower pressure roller assembly (4) is fixedly arranged on the base (1), the swinging pressure assembly is connected between the upper pressure roller assembly (3) and the lower pressure roller assembly (4), and a group of swinging pressure assemblies (5) are respectively arranged at the four corners of the upper pressure roller assembly (3) and the lower pressure roller assembly (4), and the swinging pressure assembly (5) is connected to a swinging driving assembly for driving the swinging pressure assembly (5).

2. A leveling machine according to claim 1, characterized in that: The swinging pressing assembly (5) comprises an upper connecting rod (24) and a lower connecting rod (25); the upper end of the upper connecting rod (24) is rotatably connected to the lower pressing roller assembly (4); the lower end of the upper connecting rod (24) is rotatably connected to the upper end of the lower connecting rod (25); and the lower end of the lower connecting rod (25) is rotatably connected to the upper pressing roller assembly (3).

3. A leveling machine according to claim 2, characterized in that: The swing drive assembly comprises a power source, a lead screw (23), a disc (28) and a connecting rod buckle plate (27). The lead screw (23) is connected to the power source, and the power source drives the lead screw (23) to move back and forth laterally. The disc (28) is fixed to one end of the lead screw (23). The lower end of the upper connecting rod (24) and the upper end of the lower connecting rod (25) are buckled on the outer side of the disc (28). Two connecting rod buckle plates (27) are buckled on both sides of the disc (28). The connecting rod buckle plate (27) is rotatably connected to the upper connecting rod (24) and the lower connecting rod (25). A limiting structure is provided between the connecting rod buckle plate (27) and the upper connecting rod (24) and the lower connecting rod (25). The power source is rotatably connected to the lower pressure roller assembly (4).

4. A leveling machine according to claim 3, characterized in that: The limiting structure comprises a semicircular ring (29) arranged at the lower end of the upper connecting rod (24) and the upper end of the lower connecting rod (25), a limiting groove (30) is arranged on the inner side of the connecting rod buckle plate (27), and the semicircular ring (29) is rotatably arranged in the limiting groove (30).

5. A leveling machine according to claim 3, characterized in that: The power source comprises a connecting rod motor (21) and a screw reducer (22); the screw reducer (22) is connected between the connecting rod motor (21) and the lead screw (23); and the screw reducer (22) is fixed to the lower pressure roller assembly (4) via a reducer seat.

6. A leveling machine according to claim 5, characterized in that: The reducer seat is rotationally connected to the lower pressure roller assembly (4) via the reducer seat shaft.

7. A leveling machine according to claim 1, characterized in that: Each set of swing pressing components (5) is independently connected to a swing driving component.

8. A leveling machine according to claim 1, characterized in that: An auxiliary lifting mechanism is provided between the upper pressing roller assembly (3) and the lower pressing roller assembly (4).

9. A leveling machine according to claim 8, characterized in that: The auxiliary lifting mechanism comprises a compression spring (11) and a guide column (15), wherein the guide column (15) is fixedly arranged vertically on the lower pressure roller assembly (4), the compression spring (11) is sleeved outside the guide column (15), and the compression spring (11) is arranged between the upper pressure roller assembly (3) and the lower pressure roller assembly (4).

10. A leveling machine according to claim 9, characterized in that: An adjusting bolt (14) and a pressing piece (26) are also provided at the upper end of the compression spring (11); the pressing piece (26) is fixedly connected to the lower end of the adjusting bolt (14); and the adjusting bolt (14) is threadedly connected to the upper pressure roller assembly (3).

Images