Cold bending roll forming device

Abstract

The utility model relates to the technical field of steel plate strip machining, in particular to a cold bending roll forming device which comprises a base, a rotating shaft, a driving assembly A, a sliding frame A, a sliding frame B, a distance adjusting assembly and a driving assembly B. A support is arranged on the base, and a sliding seat is arranged on the support. The two rotating shafts are rotationally arranged on one side of the base and one side of the sliding seat correspondingly, spline shafts A are rotationally arranged on the rotating shafts, and a forming roller A and a forming roller B are arranged on the two spline shafts A correspondingly; the driving assembly A drives the two rotating shafts to rotate relatively in a working state; the two sliding frames A are respectively arranged on the base and the sliding seat in a sliding manner and are respectively connected with the rotating shaft and the spline shaft A on the corresponding side in a sliding manner; the two sliding frames B are respectively arranged on the base and the sliding seat in a sliding manner and are respectively connected with the spline shafts A on the corresponding sides in a sliding manner; the distance adjusting assembly is in driving connection with the sliding frame A and the sliding frame B on the two sides; the driving assembly B drives the sliding base to ascend or descend. The forming roller is easy and convenient to disassemble and replace, and the rolling stability is high.

Description

Technical Field

[0001] This utility model relates to the field of steel plate and strip processing technology, and in particular to a cold bending roll forming device. Background Technology

[0002] Cold bending is a plastic forming process that uses sequentially arranged multi-pass forming rollers to continuously bend metal sheets and strips laterally to create profiles with specific cross-sections. Cold bending machines are typically equipped with various die holders and forming rollers, but in actual operation, especially the replacement of the forming rollers, is very troublesome.

[0003] The technical solution disclosed in Chinese Patent No. CN212821927U facilitates the replacement of cold bending rolls by setting up a roller frame. The positioning bolts are tightened to strengthen the connection between the roller frame and the mounting frame. Then, the steel plate is placed on the die base, and the screw tube is rotated to drive the screw to move back and forth, so that the two sets of guide plates move towards each other. The guide shaft contacts the steel plate, and the steel plate moves from left to right, driving the guide shaft to rotate, which can straighten the steel plate and prevent the steel plate from tilting.

[0004] However, the device still has shortcomings: when changing the cold bending roller, it is necessary to tighten or loosen the bolts, which requires tools and is relatively troublesome to operate. Utility Model Content

[0005] The purpose of this invention is to address the problems existing in the background technology by proposing a cold bending roll forming device.

[0006] The technical solution of this utility model is: a cold bending roll forming device, including a base, a support set on the base, and a slide seat slidably set on the support;

[0007] Two rotating shafts are respectively rotatably mounted on one side of the base and the slide. A spline shaft A is rotatably mounted on the rotating shaft. A forming roller A and a forming roller B are respectively slidably mounted on the two spline shafts A.

[0008] Drive component A is mounted on the bracket and drives two rotating shafts to rotate relative to each other when in operation.

[0009] Slide A, two slides A are slidably mounted on the base and slide block respectively, and each slide A is slidably connected to the corresponding rotating shaft and spline shaft A;

[0010] The two slides B are slidably mounted on the base and the slide block respectively, and each slide B is slidably connected to the spline shaft A on the corresponding side.

[0011] The spacing adjustment component is mounted on the base and drives the slides A and B on both sides to move closer or further apart synchronously.

[0012] And drive component B, which is mounted on the bracket and drives the slide to rise or fall.

[0013] Preferably, two extrusion rollers are rotatably mounted on the base and the slide, and the distance between the upper and lower sets of extrusion rollers is the same as the distance between the forming roller A and the forming roller B.

[0014] Preferably, two sliders that are symmetrically connected to the base are arranged between the two extrusion rollers. Several guide wheels are rotatably arranged on the side of the two sliders that are close to each other. A bidirectional module A is provided on the base, and the two output ends of the bidirectional module A are respectively connected to the sliders on the corresponding sides.

[0015] Preferably, the drive assembly A includes a bevel gear A, a splined shaft B, a bevel gear B, a bevel gear C, and a motor; the two bevel gears A are coaxially connected to two rotating shafts respectively, the splined shaft B is rotatably connected to both the base and the bracket, the bevel gear B is coaxially mounted on the splined shaft B and meshes with the bevel gear A at the end of the rotating shaft on the base, the bevel gear C is coaxially slidably mounted on the splined shaft B and meshes with the bevel gear A at the end of the rotating shaft on the slide, the motor body is connected to the bracket, and the output end of the motor is connected to the splined shaft B.

[0016] Preferably, bevel gear B and bevel gear C have the same specifications, and the bevel teeth of bevel gear B and bevel gear C are opposite each other.

[0017] Preferably, one of the slides A is provided with a limiting rod A, which is inserted into and slidably connected to the other slide A, and one of the slides B is provided with a limiting rod B, which is inserted into and slidably connected to the other slide B.

[0018] Preferably, both slide A and slide B are rotatably provided with slip rings, and the rotating shaft and spline shaft A are located in the channel of the slip ring and slidably connected to it. The slip ring on slide A is coaxially provided with a positioning ring A, and the slip ring on slide B is coaxially provided with a positioning ring B. The side of positioning ring A facing positioning ring B is provided with a tapered groove.

[0019] Compared with the prior art, the present invention has the following beneficial technical effects:

[0020] By setting up a cooperative structure of base, support, and slide, forming roller A and forming roller B are respectively installed on the base and slide. This allows for adjustment of the distance between forming roller A and forming roller B by adjusting the distance between the slide and the base, making the device suitable for steel plates and strips of different thicknesses. By setting up slide A and slide B, as well as the cooperative structure of rotating shaft and spline shaft A, when slide B slides out of spline shaft A, spline shaft A and rotating shaft are in an active state. This allows for direct flipping of spline shaft A to remove and replace the forming roller. Furthermore, when slide A and slide B are fitted onto spline shaft A, spline shaft A and rotating shaft are coaxial, improving the stability and compressive strength of spline shaft. At the same time, this invention sets up two sets of extrusion rollers and two sets of guide wheels with adjustable spacing, which facilitates smoothing and centering of the raw material sheet, thereby improving the positioning accuracy and efficiency of roll forming. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of one embodiment of the present utility model;

[0022] Figure 2 This is a schematic diagram of the connection structure between the extrusion roller and the base;

[0023] Figure 3 This is a schematic diagram showing the connection structure of the various components on carriage A and carriage B;

[0024] Figure 4 This is a schematic diagram of the connection structure between the rotating shaft and the slip ring, spline shaft A and positioning ring A.

[0025] Reference numerals: 1. Base; 2. Bracket; 3. Slide; 4. Extrusion roller; 5. Slider; 6. Guide wheel; 7. Bidirectional module A; 8. Rotating shaft; 9. Splined shaft A; 10. Forming roller A; 11. Forming roller B; 12. Drive assembly A; 121. Bevel gear A; 122. Splined shaft B; 123. Bevel gear B; 124. Bevel gear C; 125. Motor; 13. Carriage A; 131. Limiting rod A; 14. Carriage B; 141. Limiting rod B; 15. Slip ring; 16. Positioning ring A; 161. Conical groove; 17. Positioning ring B; 18. Bidirectional module B; 19. Drive assembly B. Detailed Implementation

[0026] Example 1

[0027] like Figures 1-4As shown, the present invention discloses a cold bending roll forming device, comprising a base 1, a rotating shaft 8, a drive assembly A12, a slide A13, a slide B14, a spacing adjustment assembly, and a drive assembly B19. A support 2 is mounted on the base 1, and a slide block 3 is slidably mounted on the support 2. Two rotating shafts 8 are rotatably mounted on one side of the base 1 and the slide block 3, respectively. A spline shaft A9 is rotatably mounted on the rotating shafts 8, and forming rollers A10 and B11 are coaxially mounted and slidably connected to the two spline shafts A9. The drive assembly A12 includes a bevel gear A121, a spline shaft B122, a bevel gear B123, a bevel gear C124, and a motor 125. Two bevel gears A121 are coaxially connected to two rotating shafts 8 respectively. A splined shaft B122 is rotatably connected to both the base 1 and the bracket 2. A bevel gear B123 is coaxially mounted on the splined shaft B122 and meshes with the bevel gear A121 at the end of the rotating shaft 8 on the base 1. A bevel gear C124 is coaxially slidably mounted on the splined shaft B122 and meshes with the bevel gear A121 at the end of the rotating shaft 8 on the slide block 3. A limiting plate is provided on the slide block 3. The bevel gear C124 is located between the limiting plate and the bevel gear A121 on the slide block 3, and is rotatably connected to the limiting plate. The body of the motor 125 is connected to the bracket 2, and the output end of the motor 125 is connected to the splined shaft B122. Bevel gears B123 and C124 have the same specifications, and their bevel teeth are aligned. The drive assembly A12 drives the two rotating shafts 8 to rotate relative to each other during operation. Two slides A13 are slidably mounted on the base 1 and slide block 3, respectively, and each slide A13 is slidably connected to the corresponding rotating shaft 8 and splined shaft A9. A limiting rod A131 is provided on one slide A13, and the limiting rod A131 is inserted into and slidably connected to the other slide A13. Two slides B14 are slidably mounted on the base 1 and slide block 3, respectively, and each slide B14 is slidably connected to the corresponding splined shaft A9. A limiting rod B141 is provided on one slide B14, and the limiting rod B141 is inserted into and slidably connected to the other slide B14. The spacing adjustment assembly includes, but is not limited to, a bidirectional module B18. The body of the bidirectional module B18 is mounted on the base 1, and the two output ends of the bidirectional module B18 are connected to the slides A13 and B14 on the base 1, respectively. Both slides A13 and B14 are rotatably mounted with slip rings 15. The rotating shaft 8 and splined shaft A9 are both located within the channels of the slip rings 15 and slidably connected to them. A positioning ring A16 is coaxially mounted on the slip ring 15 on slide A13, and a positioning ring B17 is coaxially mounted on the slip ring 15 on slide B14. A tapered groove 161 is provided on the side of positioning ring A16 facing positioning ring B17. The distance between positioning ring A16 and slide A13 is greater than the distance between positioning ring B17 and slide B14, and the center distances between positioning rings A16 and B17 and splined shaft 9 are equal. The drive assembly B19 includes, but is not limited to, a hydraulic cylinder. The body of the hydraulic cylinder is mounted on the bracket 2, and the output end of the hydraulic cylinder is connected to the slide 3.

[0028] In this embodiment, during the roll forming of the steel strip, the distance between the forming roller B11 and the forming roller A10 is adjusted. During operation, the hydraulic cylinder is activated, and the hydraulic cylinder presses down the slide block 3. The slide block 3 descends in height, and the forming roller B11 gradually moves closer to the forming roller A10. During this process, the bevel gear C124 is synchronously lowered in height under the limiting action of the bevel gear A121 on the slide block 3 and the limiting plate. Then, the front end of the steel strip is fed into the gap between the forming roller A10 and the forming roller B11. The motor 125 is started, and the motor 125 drives the roller... The key shaft B122 rotates, which in turn drives the bevel gears B123 and C124 to rotate. The bevel gear B123 drives the bevel gear A121 on the base 1 to rotate, which in turn drives the rotating shaft 8 and the spline shaft A9 on the base 1 to rotate. Meanwhile, the bevel gear C124 drives the bevel gear A121 on the slide 3 to rotate in the opposite direction, which in turn drives the rotating shaft 8 and the spline shaft A9 on the slide 3 to rotate in the opposite direction. The steel strip is pulled and rolled through the relatively rotating forming rollers A10 and B11. When it is necessary to replace forming roller A10 or forming roller B11, start motor 125. Motor 125 drives rotating shaft 8 to rotate, allowing spline shaft A9 to flip horizontally. Then, start bidirectional module B18, which drives slides A13 and B14 to slide in opposite directions until slide B14 disengages from spline shaft A9. At this point, spline shaft A9 can be flipped outwards, allowing forming roller A10 or forming roller B11 to be directly removed and replaced. After replacement, start bidirectional module B18 again, which drives slides A13 and B14 on both sides to move closer synchronously. The inflection point of the spline shaft 9 and the rotating shaft 8 preferentially enters the tapered groove 161. The spline shaft 9 automatically flips and resets under the guidance of the tapered groove 161, and returns to the coaxial state with the rotating shaft 8. Then, the slides A13 and B14 continue to approach each other, and the spline shaft A9 automatically inserts into the positioning ring B17. As the distance between the two slides A13 and B14 decreases, the positioning rings A16 and B17 respectively abut against the two sides of the forming roller, thereby accurately positioning it. Under this structure, the positioning rings A16 and B17 can also prevent the forming roller from directly contacting the slide, thus avoiding friction between the forming roller and the slide.

[0029] Example 2

[0030] like Figure 1 and Figure 2As shown, the cold bending roll forming device proposed in this utility model, compared with Embodiment 1, has two extrusion rollers 4 rotatably arranged on the base 1 and slide block 3 respectively. The distance between the upper and lower sets of extrusion rollers 4 is the same as the distance between forming roller A10 and forming roller B11. Two sliders 5 symmetrically arranged between the two extrusion rollers 4 on the base 1 and slidably connected to the base 1 are provided. Several guide wheels 6 are rotatably arranged on the side of the two sliders 5 that are close to each other. A bidirectional module A7 is provided on the base 1, and the two output ends of the bidirectional module A7 are respectively connected to the sliders 5 on the corresponding sides.

[0031] In this embodiment, when the steel strip is processed, its front end first passes between the upper and lower sets of extrusion rollers 4. The extrusion rollers 4 apply pressure to flatten it, and the bidirectional module A7 drives the sliders 5 on both sides to move closer to each other, so that the guide wheels 6 on both sides abut against the edge of the flattened steel strip, thereby achieving the centering positioning of the steel strip and improving the positioning accuracy of the steel strip during roll forming.

[0032] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the spirit of the present invention.

Claims

1. A cold roll forming apparatus characterized by comprising: The utility model relates to a double -sided extrusion roll forming machine, including: Base (1), be provided with support (2) on base (1), support (2) is provided with slide (3) slidingly, Rotary shaft (8), two rotary shafts (8) are rotatably arranged on one side of base (1) and slide (3) respectively, spline shaft A (9) is rotatably arranged on rotary shaft (8), two spline shafts A (9) are coaxially arranged respectively with the sliding connection of forming roller A (10) and forming roller B (11) thereof, Driving assembly A (12), driving assembly A (12) is arranged on support (2), and driving assembly A (12) drives two rotary shafts (8) relative rotation under working condition, Slide A (13), two slide A (13) are slidingly arranged on base (1) and slide (3) respectively, and each slide A (13) is slidingly connected with rotary shaft (8) and spline shaft A (9) on the corresponding side, Slide B (14), two slide B (14) are slidingly arranged on base (1) and slide (3) respectively, and each slide B (14) is slidingly connected with spline shaft A (9) on the corresponding side, Spacing adjusting assembly, spacing adjusting assembly is arranged on base (1) and drives the synchronous approach or away of slide A (13) and slide B (14) on both sides, And driving assembly B (19), driving assembly B (19) is arranged on support (2) and drives slide (3) to ascend or descend.

2. The cold roll press forming apparatus according to claim 1, wherein Base (1) and slide (3) are rotatably arranged with two extrusion rollers (4) respectively, and the spacing of the upper and lower two groups of extrusion rollers (4) is same with the spacing of forming roller A (10) and forming roller B (11).

3. A cold roll forming apparatus as claimed in claim 2, wherein Two sliding blocks (5) are symmetrically arranged on base (1) between two extrusion rollers (4) and are slidingly connected with base (1), the side close to two sliding blocks (5) is rotatably arranged with a plurality of guide wheels (6), and base (1) is provided with bidirectional module A (7), and two output ends of bidirectional module A (7) are connected with sliding block (5) on the corresponding side.

4. The cold roll press forming apparatus according to claim 1, wherein Driving assembly A (12) includes bevel gear A (121), spline shaft B (122), bevel gear B (123), bevel gear C (124) and motor (125);Two bevel gear A (121) are coaxially connected with two rotary shafts (8) respectively, spline shaft B (122) is rotatably connected with base (1) and support (2), bevel gear B (123) is coaxially arranged on spline shaft B (122) and is engaged with the bevel gear A (121) of rotary shaft (8) end portion on base (1), bevel gear C (124) is coaxially slidingly arranged on spline shaft B (122) and is engaged with the bevel gear A (121) of rotary shaft (8) end portion on slide (3), the body of motor (125) is connected with support (2), and the output end of motor (125) is connected with spline shaft B (122).

5. A cold roll forming apparatus as claimed in claim 4, wherein The specification of bevel gear B (123) and bevel gear C (124) is same, and the bevel gears of bevel gear B (123) and bevel gear C (124) are opposite.

6. The cold roll forming apparatus of claim 1, wherein One of the slide A (13) is provided with a limiting rod A (131), the limiting rod A (131) is inserted into the other slide A (13) and is in sliding connection with it, and one of the slide B (14) is provided with a limiting rod B (141), the limiting rod B (141) is inserted into the other slide B (14) and is in sliding connection with it.

7. The cold roll forming apparatus of claim 1 wherein, The slide A (13) and the slide B (14) are both provided with a rotating sliding ring (15), the rotating shaft (8) and the spline shaft A (9) are both located in the channel of the sliding ring (15) and are in sliding connection with it, and the sliding ring (15) on the slide A (13) is coaxially provided with a positioning ring A (16), the sliding ring (15) on the slide B (14) is coaxially provided with a positioning ring B (17), and the side of the positioning ring A (16) facing the positioning ring B (17) is provided with a tapered groove (161).

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