Roll forming device for steel

Abstract

The utility model provides a steel rolling forming device which comprises a base plate, the base plate is sequentially connected with a plurality of first rolling assemblies and a plurality of second rolling assemblies from right to left, and the three adjacent second rolling assemblies are provided with third rolling assemblies used for rolling bent parts of steel. Each of the first rolling assembly and the second rolling assembly comprises a mounting base, an upper pressing roller and a lower pressing roller located below the upper pressing roller, the upper pressing rollers and the lower pressing rollers rotate on the mounting bases, and the second rolling assembly further comprises side pressing rollers which are rotationally arranged on the mounting bases in a front-back symmetry mode. The C-shaped steel forming device has the advantages that C-shaped steel is gradually formed under the continuous rolling action of the pressing rollers, the structure is stable, and springback is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of steel forming, particularly relates to a roll forming device of steel. BACKGROUND

[0002] Steel has round steel, corrugated steel, angle steel, channel steel, I-beam, low carbon steel, tool steel, alloy steel, is widely used in building, industry, machining, navigation, aviation, military, also be used in our daily heavy work. Steel is made of steel strip, has strong structural strength, at present, the processing bending process of C-shaped steel is generally directly bending the steel strip to form left and right bending parts and corresponding angles, and the steel processed in this way is prone to springback and unstable structure. SUMMARY

[0003] Therefore, the utility model aims at overcoming the defects in the prior art, and provides a roll forming device of steel.

[0004] The utility model provides a roll forming device of steel, including base plate 1, a plurality of first roll press subassembly 100, a plurality of second roll press subassembly 200 are connected in proper order from right to left on base plate 1, the third roll press subassembly 300 for roll pressing steel bending part is provided on adjacent three second roll press subassembly 200, first roll press subassembly 100 second roll press subassembly 200 all include mounting seat 2, upper press roll 3 and the lower press roll 4 below upper press roll 3, upper press roll 3, lower press roll 4 rotate in mounting seat 2, second roll press subassembly 200 still include the side press roll 5 of rotation and front and back symmetry is arranged in mounting seat 2, third roll press subassembly 300 includes the outer press roll 6 of rotation in mounting seat 2, inner press roll 7.

[0005] Further, in adjacent three second roll press subassembly 200, the left side mounting of right side two second roll press subassembly 200 is used for the third roll press subassembly 300 for roll pressing steel front bending part, the right side mounting of left side two second roll press subassembly 200 is used for the third roll press subassembly 300 for roll pressing steel rear bending part.

[0006] Further, mounting seat 2 is provided with the lifting adjustment assembly 8 for adjusting the up-down position of upper press roll 3.

[0007] Further, the lifting adjustment assembly 8 includes the first screw rod 8.1 of vertical and front and back symmetry is screwed in mounting seat 2, the end of first screw rod 8.1 is connected with the first connecting block 8.2 of the upper press roll 3 rotation, the front and back two sides of first connecting block 8.2 are symmetrically mounted with slide plate 8.3, first connecting block 8.2, slide plate 8.3 are slidably fitted in mounting seat 2.

[0008] Further, the mounting seat 2 is longitudinally screwed with a second screw rod 9, the end of the second screw rod 9 is connected with a second connecting block which is slidably fitted to the mounting seat 2 in front and back directions, and the side pressure roller 5 is rotatably arranged on the second connecting block.

[0009] Further, the side wall of the mounting seat 2 is provided with a mounting plate 10, and the mounting plate 10 is provided with a longitudinal adjusting assembly 11 for adjusting the front and back positions of the outer pressure roller 6 and the inner pressure roller 7.

[0010] Further, the longitudinal adjusting assembly 11 comprises a sliding fitting box 11.1 which is mounted on the side wall of the mounting plate 10, and a lower sliding block 11.3 which is slidably fitted to the sliding fitting box 11.1 in front and back directions and is used for rotating the outer pressure roller 6, and an upper sliding block 11.5 which is slidably fitted to the sliding fitting box 11.1 in front and back directions and is used for rotating the inner pressure roller 7, and a third screw rod 11.2 and a fourth screw rod 11.4 which are respectively connected to the lower sliding block 11.3 and the upper sliding block 11.5, and the third screw rod 11.2 and the fourth screw rod 11.4 are longitudinally screwed to the sliding fitting box 11.1.

[0011] The utility model discloses a structure stable and prevent rebound under the continuous roll pressing effect of the pressure roller, and gradually form C type steel material, the upper pressure roller and the lower pressure roller of the first roll pressing assembly form the first roll pressing cavity, the upper pressure roller, the lower pressure roller and the front and back two side pressure rollers of the second roll pressing assembly form the second roll pressing cavity, the outer pressure roller and the inner pressure roller of the third roll pressing assembly form the third roll pressing cavity, and the steel band is formed C type steel material by the first roll pressing cavity, the second roll pressing cavity and the third roll pressing cavity step by step, after passing through the rightmost second roll pressing assembly, pass through two third roll pressing assemblies of roll pressing front and back bending part, after passing through the middle second roll pressing assembly, pass through two third roll pressing assemblies of roll pressing front and back bending part again, rotate the first screw rod, and the first screw rod moves up and down with the first connecting block, the sliding plate and the upper pressure roller, thereby adjusting the interval of the upper pressure roller and the lower pressure roller, to form the roll pressing cavity of different thickness, rotate the second screw rod, and the second screw rod moves the front and back positions of the second connecting block and the side pressure roller, and the interval of the side pressure roller is adjusted according to the upper pressure roller and the lower pressure roller of the second roll pressing assembly, to adapt to the steel material of different thickness, rotate the third screw rod and the fourth screw rod, and the third screw rod moves the outer pressure roller on the lower sliding block forward and backward, and the fourth screw rod moves the inner pressure roller on the upper sliding block forward and backward, thereby adjusting the interval of the outer pressure roller and the inner pressure roller, to form the roll pressing cavity of different thickness. ACCURATE DRAWING

[0012] Figure 1 It is the perspective view of the utility model;

[0013] Figure 2 It is the top view of the utility model;

[0014] Figure 3 It is the partial structure schematic view of the utility model;

[0015] Figure 4 For Figure 1 A enlarged view of the A part of the figure. DETAILED DESCRIPTION

[0016] The utility model will be described in detail below with reference to the drawings.

[0017] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the utility model is further described in detail below with reference to the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not used to limit the utility model.

[0018] Referring to Figures 1 to 4 The utility model provides a kind of roll forming device of steel, it includes base plate 1, base plate 1 is sequentially connected with several first roll pressing assembly 100, several second roll pressing assembly 200 from right to left, adjacent three second roll pressing assembly 200 are provided with third roll pressing assembly 300 for roll pressing steel bending part, the number of second roll pressing assembly is 8, the middle 6 second roll pressing assembly is divided into 2 groups, first roll pressing assembly 100, second roll pressing assembly 200 all include mounting seat 2, upper press roll 3 and the lower press roll 4 below upper press roll 3, upper press roll 3, lower press roll 4 rotate in mounting seat 2, second roll pressing assembly 200 further include side press roll 5, which is rotationally and symmetrically arranged in mounting seat 2, third roll pressing assembly 300 includes outer press roll 6, inner press roll 7 rotationally in mounting seat 2. The first roll pressing cavity is formed between the upper press roll and the lower press roll of the first roll pressing assembly, the second roll pressing cavity is formed between the upper press roll, the lower press roll and the front and rear side press rolls of the second roll pressing assembly, and the third roll pressing cavity is formed between the outer press roll and the inner press roll of the third roll pressing assembly. Through the first roll pressing cavity, the second roll pressing cavity and the third roll pressing cavity, the steel strip is gradually rolled to form a C-shaped steel.

[0019] Referring to Figure 1 , Figure 2 Among the adjacent three second roll pressing assembly 200, the left side of the right two second roll pressing assembly 200 is provided with third roll pressing assembly 300 for roll pressing steel front bending part, and the right side of the left two second roll pressing assembly 200 is provided with third roll pressing assembly 300 for roll pressing steel rear bending part. After passing through the rightmost second roll pressing assembly, the two third roll pressing assemblies for roll pressing front and rear bending parts are passed through, and after passing through the middle second roll pressing assembly, the two third roll pressing assemblies for roll pressing front and rear bending parts are passed through again.

[0020] Lifting adjusting assembly 8 for adjusting the up-down position of upper press roll 3 is arranged on mounting seat 2. The up-down position of upper press roll is adjusted by lifting adjusting assembly, so as to adjust the spacing of upper press roll and lower press roll, so as to form roll pressing cavity of different thickness.

[0021] The lifting adjusting assembly 8 comprises a first screw rod 8.1 vertically and symmetrically screwed on the mounting base 2, the end of the first screw rod 8.1 is connected with a first connecting block 8.2 for rotating the upper pressing roller 3, the front and back sides of the first connecting block 8.2 are symmetrically provided with sliding plates 8.3, and the first connecting block 8.2 and the sliding plates 8.3 are slidably fitted on the mounting base 2. When the first screw rod is rotated, the first screw rod moves up and down with the first connecting block, the sliding plates and the upper pressing roller, so as to adjust the up and down positions of the upper pressing roller.

[0022] The second screw rod 9 is longitudinally screwed on the mounting base 2, the end of the second screw rod 9 is connected with a second connecting block slidably fitted on the mounting base 2, and the side pressing roller 5 is rotatably arranged on the second connecting block. When the second screw rod is rotated, the second screw rod moves forward and backward with the second connecting block and the side pressing roller, and the distance between the side pressing roller and the upper pressing roller and the lower pressing roller of the second roller pressing assembly is adjusted to adapt to the steel materials with different thicknesses.

[0023] The mounting plate 10 is mounted on the side wall of the mounting base 2, and the longitudinal adjusting assembly 11 for adjusting the forward and backward positions of the outer pressing roller 6 and the inner pressing roller 7 is arranged on the mounting plate 10. The forward and backward positions of the outer pressing roller and the inner pressing roller are adjusted by the longitudinal adjusting assembly, so as to adjust the distance between the outer pressing roller and the inner pressing roller, thereby forming roller pressing cavities with different thicknesses.

[0024] The longitudinal adjusting assembly 11 comprises a sliding fitting box 11.1 mounted on the side wall of the mounting plate 10, the sliding fitting box 11.1 is slidably fitted with a lower sliding block 11.3 for rotating the outer pressing roller 6 and an upper sliding block 11.5 for rotating the inner pressing roller 7, the lower sliding block 11.3 and the upper sliding block 11.5 are respectively connected with a third screw rod 11.2 and a fourth screw rod 11.4, and the third screw rod 11.2 and the fourth screw rod 11.4 are longitudinally screwed on the sliding fitting box 11.1. When the third screw rod and the fourth screw rod are rotated, the third screw rod moves the lower sliding block and the outer pressing roller on the lower sliding block forward and backward, and the fourth screw rod moves the upper sliding block and the inner pressing roller on the upper sliding block forward and backward, so as to adjust the distance between the outer pressing roller and the inner pressing roller.

[0025] The above is only the preferred embodiment of the present application, and it should be pointed out that, for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should be considered as the protection scope of the present application.

Claims

1. A roll forming apparatus for steel, characterized in that: The system includes a base plate on which a plurality of first roller pressing assemblies and a plurality of second roller pressing assemblies are connected sequentially from right to left. A third roller pressing assembly for pressing the bent portion of steel is disposed on three adjacent second roller pressing assemblies. Each of the first roller pressing assembly and the second roller pressing assembly includes a mounting base, an upper pressure roller, and a lower pressure roller located below the upper pressure roller. The upper pressure roller and the lower pressure roller rotate on the mounting base. The second roller pressing assembly also includes a side pressure roller that rotates and is symmetrically disposed on the mounting base. The third roller pressing assembly includes an outer pressure roller and an inner pressure roller that rotate on the mounting base.

2. The steel roll forming apparatus as described in claim 1, characterized in that: In the three adjacent second roll forming assemblies, the third roll forming assembly for rolling the front bending portion of the steel is installed on the left side of the two second roll forming assemblies on the right, and the third roll forming assembly for rolling the rear bending portion of the steel is installed on the right side of the two second roll forming assemblies on the left.

3. The steel roll forming apparatus as described in claim 1, characterized in that: The mounting base is equipped with a lifting adjustment component for adjusting the vertical position of the upper pressure roller.

4. The steel roll forming apparatus as described in claim 3, characterized in that: The lifting and adjusting assembly includes a first screw that is vertically and symmetrically screwed to the mounting base. The end of the first screw is connected to a first connecting block that allows the upper pressure roller to rotate. Slide plates are symmetrically installed on the front and rear sides of the first connecting block. The first connecting block and the slide plates are slidably fitted onto the mounting base in a vertically movable manner.

5. The steel roll forming apparatus as described in claim 1, characterized in that: A second screw is longitudinally screwed onto the mounting base, and the end of the second screw is connected to a second connecting block that slides back and forth on the mounting base. The side pressure roller is rotatably disposed on the second connecting block.

6. The steel roll forming apparatus as described in claim 1, characterized in that: The mounting base is equipped with a mounting plate on its side wall, and the mounting plate is provided with a longitudinal adjustment component for adjusting the front and rear positions of the outer pressure roller and the inner pressure roller.

7. The steel roll forming apparatus as described in claim 6, characterized in that: The longitudinal adjustment assembly includes a sliding box installed on the side wall of the mounting plate. The sliding box has a lower sliding block that allows the outer pressure roller to rotate and an upper sliding block that allows the inner pressure roller to rotate. A third screw and a fourth screw are respectively connected to the lower sliding block and the upper sliding block. The third screw and the fourth screw are both longitudinally screwed to the sliding box.

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