Precise cold roll forming machine

Abstract

The utility model relates to the technical field of cold-roll forming machines, in particular to a precise cold-roll forming machine which cuts off a raw material plate through a cutting device and flattens the raw material plate through a flattening device, so that the radian of the raw material plate is reduced, the processing stability of the device is improved, the vibration amplitude of the plate in the preliminary rolling process is reduced, and the production efficiency is improved. The adjusting device is matched with the bearing device to support the steel coil, the steel coil can be conveniently and rapidly replaced, and the practicability of the device is improved; comprising a base, a cold-roll forming rack, lifting frames and cold-roll forming rollers, the cold-roll forming rack is installed on the left portion of the upper end face of the base, the lifting frames are arranged on the cold-roll forming rack, and the cold-roll forming rollers are installed on the cold-roll forming rack and the lifting frames respectively; the device further comprises a cutting device, a flattening device, an adjusting device and a bearing device, the flattening device is installed on the right side of the cutting device, the adjusting device is installed on the right portion of the base, and the bearing device is installed on the adjusting device.

Description

Technical Field

[0001] The utility model relates to the technical field of cold roll forming machines, in particular to a precision cold roll forming machine. Background Art

[0002] A roll forming machine is a type of mechanical equipment commonly used in metal material processing. It uses sequentially configured multi-pass forming rollers to transversely bend metal sheets such as coils and strips to form profiles with specific cross-sections. The roll forming machine mainly uses mechanical force to apply bending force to the metal material, causing it to undergo plastic deformation, thereby obtaining the desired shape and size.

[0003] The Chinese utility model patent with application number CN201921681939.3 in the prior art involves a new type of precision cold roll forming machine, including a cold roll forming machine body, a cutting and discharging mechanism, a feeding mechanism, a conveying roller, a conveying adjustment device, a clamping plate, a telescopic cylinder, a lifting cylinder and a control panel, which can ensure that the material is transported evenly and neatly, and automatically start the second lifting cylinder to control the cutter to cut the material, thereby improving the material output efficiency.

[0004] However, in actual use of the above device, the metal sheet raw materials are usually stored in rolls on the material rollers. Before entering the equipment, the sheet itself has a large curvature, which will cause the sheet to vibrate greatly during the rolling process, thereby affecting the processing accuracy of the equipment. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a cutting device for cutting the raw material plate, and flattens the raw material plate through a flattening device, thereby reducing the curvature of the raw material plate itself, improving the processing stability of the device, and reducing the vibration amplitude of the plate itself during the initial rolling process. The adjustment device cooperates with the load-bearing device to provide support for the steel coil, and facilitates the rapid replacement of the steel coil, thereby improving the practicality of the device and forming a precision cold bending machine.

[0006] The utility model provides a precision cold roll forming machine, comprising a base, a cold roll forming frame, a lifting frame and cold roll forming rollers, the cold roll forming frame is installed on the left part of the upper end surface of the base, and multiple groups of lifting frames are arranged on the cold roll forming frame, and cold roll forming rollers are respectively installed on the cold roll forming frame and the lifting frame; it also includes a cutting device, a flattening device, an adjusting device and a bearing device, the flattening device is installed on the right side of the cutting device, the adjusting device is installed on the right part of the base, and the bearing device is installed on the adjusting device; the raw material plate is cut by the cutting device, and the raw material plate is flattened by the flattening device, so that the curvature of the raw material plate itself is reduced, the processing stability of the device is improved, and the vibration amplitude of the plate itself during the initial rolling process is reduced, the adjusting device cooperates with the bearing device to provide support for the steel coil, and facilitates the rapid replacement of the steel coil, thereby improving the practicality of the device.

[0007] Preferably, the cutting device includes a supporting platform, a knife groove, a gantry, a hydraulic cylinder, a pressure plate and a cutting blade. A supporting platform is installed in the middle of the upper end surface of the base, a knife groove is provided on the upper end surface of the supporting platform, a gantry is installed on the upper end surface of the supporting platform through multiple groups of light rods, a hydraulic cylinder is installed on the upper end surface of the gantry, and the movable end of the hydraulic cylinder passes through the upper end surface of the gantry and extends to the lower side of the gantry and is connected to the pressure plate, and a cutting blade is provided on the lower end surface of the pressure plate; by controlling the extension of the hydraulic cylinder to drive the pressure plate to move downward, the cutting blade and the knife groove cooperate to cut the steel plate raw material, and at the same time, the front end of the steel plate is flattened by the cooperation of the pressure plate and the supporting platform, so that the steel plate can smoothly enter the cold-bent forming roller for processing, thereby improving the practicality and stability of the device.

[0008] Preferably, the flattening device includes a support frame, a lower pressure roller, an adjusting platform, an adjusting plate, an upper pressure roller, a limiting light rod, a pressure adjusting plate, a spring and a screw. A support frame is installed in the middle of the upper end surface of the base, and the support frame is located on the right side of the cutting device. Multiple groups of lower pressure rollers are horizontally installed on the support frame, and a group of adjusting platforms are respectively installed on the front and back of the upper end surface of the support frame. A chamber is provided in the adjusting platform, and multiple groups of rectangular holes are respectively provided on the opposite sides of the two groups of adjusting platforms. An adjusting plate is provided in the adjusting platform, and multiple groups of upper pressure rollers are installed between the front and rear groups of adjusting plates. The multiple groups of upper pressure rollers are respectively located on the upper sides of the multiple groups of lower pressure rollers. A pressure adjusting plate is provided on the upper part of the adjusting platform, and the pressure adjusting plate is located on the upper side of the adjusting plate. A group of limiting light rods are evenly arranged in the adjusting platform, and the limiting light rods pass through the adjusting plate The main body of the plate and the pressure regulating plate, the upper end surface of the pressure regulating plate is connected to a group of screws on the left and right sides through bearings, the upper part of the screw passes through the upper end surface of the adjusting platform and extends to the upper side of the adjusting platform, the upper part of the screw is connected to the upper end surface of the adjusting platform through a nut, and a spring is mounted on the limiting light rod, and the spring is located between the adjusting plate and the pressure regulating plate; the raw steel plate is squeezed by multiple groups of lower pressure rollers and upper pressure rollers to reduce the curvature of the raw steel plate itself, and the pressure regulating plate is controlled to move up and down by rotating the screw, thereby cooperating with the spring to change the downward pressure on the adjusting plate to change the pressure between the lower pressure roller and the upper pressure roller, so that the equipment can adapt to plates of different thicknesses, and the lifting process of the adjusting plate and the pressure regulating plate is limited by the limiting light rod, thereby improving the stability of the device.

[0009] Preferably, the adjusting device includes an adjusting bin, an adjusting frame, a bidirectional lead screw, a reduction motor and a transverse moving platform. The adjusting bin is provided on the right side of the base, and the adjusting bin is located on the right side of the flattening device. The adjusting frame is installed on the lower end surface of the adjusting bin, and the reduction motor is installed on the left end surface of the adjusting frame. A bidirectional lead screw is installed horizontally in the adjusting frame, and the output end of the reduction motor is connected to the bidirectional lead screw. The left and right parts of the bidirectional lead screw are respectively connected to a group of transverse moving platforms through nuts; turning on the reduction motor transmits power to the bidirectional lead screw to drive the bidirectional lead screw to rotate, thereby driving the two groups of transverse moving platforms to move toward or away from each other, and then cooperating with the carrying device to support and quickly replace the raw steel coil, and can adapt to steel coils of different widths, thereby improving the practicality of the device.

[0010] Preferably, the carrying device includes a support arm, a supporting shaft, and a bearing. A group of strip grooves are respectively provided on the left and right upper end surfaces of the adjusting bin. The upper part of the transverse moving platform extends through the strip grooves on the adjusting bin to the upper side of the base. A support arm is installed on the upper end surface of the transverse moving platform, and the supporting shaft is horizontally installed on the support arm through a bearing. The steel coil is supported by the two groups of supporting shafts on the transverse moving platforms, and the bearings are used to enable the steel coil to rotate smoothly to complete the loading process, thereby improving the practicality of the device.

[0011] Preferably, it also includes a limiting frustum block, and a limiting frustum block is set in the middle of the supporting shaft; the two ends of the side of the steel coil are limited by the limiting frustum block to ensure the accuracy of the steel plate feeding position, prevent the steel coil position from being offset and causing the raw steel plate to be fed tilted, affecting the processing effect, and improving the practicality of the device.

[0012] Compared with the prior art, the beneficial effects of the present invention are: the raw material plate is cut by the cutting device, and the raw material plate is flattened by the flattening device, thereby reducing the curvature of the raw material plate itself, improving the processing stability of the device, reducing the vibration amplitude of the plate itself during the initial rolling process, providing support for the steel coil through the adjustment device and the bearing device, and facilitating the rapid replacement of the steel coil, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is an axonometric structural diagram of the utility model;

[0014] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0015] Figure 3 It is an axonometric structural diagram of the flattening device;

[0016] Figure 4 It is an axonometric structural diagram of the cutting device;

[0017] Figure 5 It is a partial enlarged structural schematic diagram of the carrying device;

[0018] Markings in the attached figure: 1. Base; 2. Cold-bend forming machine frame; 3. Lifting frame; 4. Cold-bend forming roller; 5. Support platform; 6. Knife groove; 7. Door frame; 8. Hydraulic cylinder; 9. Pressure plate; 10. Cutting blade; 11. Support frame; 12. Lower pressure roller; 13. Adjustment platform; 14. Adjustment plate; 15. Upper pressure roller; 16. Limiting rod; 17. Pressure adjustment plate; 18. Spring; 19. Screw; 20. Adjustment chamber; 21. Adjustment frame; 22. Bidirectional screw; 23. Reducer motor; 24. Transverse platform; 25. Support arm; 26. Support shaft; 27. Bearing; 28. Limiting round table block. DETAILED DESCRIPTION

[0019] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention. Example

[0020] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 The flattening device is installed on the right side of the cutting device, the adjusting device is installed on the right side of the flattening device, and the carrying device is installed on the adjusting device;

[0021] First, the steel coil is placed on the upper side of the regulating bin 20, and then the reduction motor 23 is turned on to transmit power to the bidirectional screw 22 to drive the bidirectional screw 22 to rotate, thereby driving the two sets of transverse platforms 24 to move toward each other so that the two sets of supporting shafts 26 are inserted into the steel coil hole to lift the steel coil, and then the raw steel plate is sent between the lower pressure roller 12 and the upper pressure roller 15, and then passes through between the support platform 5 and the pressure plate 9, and finally enters the cold bending forming frame 2 for processing. The raw steel plate is squeezed by multiple sets of lower pressure rollers 12 and upper pressure rollers 15 to reduce the curvature of the raw steel plate itself. When the raw steel plate needs to be cut, the hydraulic cylinder 8 is controlled to extend to drive the pressure plate 9 to move downward so that the cutting blade 10 and the knife groove 6 cooperate to cut the steel plate raw material. At the same time, the front end of the steel plate is flattened by the pressure plate 9 and the support platform 5.

[0022] The cutting device includes a supporting platform 5, a knife groove 6, a gantry 7, a hydraulic cylinder 8, a pressure plate 9 and a cutting blade 10. The supporting platform 5 is installed in the middle of the upper end surface of the base 1. The knife groove 6 is provided on the upper end surface of the supporting platform 5. The gantry 7 is installed on the upper end surface of the supporting platform 5 through multiple groups of polished rods. The hydraulic cylinder 8 is installed on the upper end surface of the gantry 7. The movable end of the hydraulic cylinder 8 passes through the upper end surface of the gantry 7 and extends to the lower side of the gantry 7 and is connected to the pressure plate 9. The cutting blade 10 is provided on the lower end surface of the pressure plate 9.

[0023] The flattening device includes a support frame 11, a lower pressure roller 12, an adjustment platform 13, an adjustment plate 14, an upper pressure roller 15, a limit light rod 16, a pressure adjustment plate 17, a spring 18 and a screw 19. The support frame 11 is installed in the middle of the upper end surface of the base 1. The support frame 11 is located on the right side of the cutting device. Multiple groups of lower pressure rollers 12 are horizontally installed on the support frame 11. A group of adjustment platforms 13 are respectively installed on the front and back of the upper end surface of the support frame 11. A chamber is provided in the adjustment platform 13. Multiple groups of rectangular holes are respectively provided on the opposite sides of the two groups of adjustment platforms 13. An adjustment plate 14 is provided in the adjustment platform 13. Multiple groups of upper pressure rollers 15 are installed between the front and rear groups of adjustment plates 14. Multiple groups of upper pressure rollers 15 They are respectively located on the upper side of multiple groups of lower pressure rollers 12, and a pressure regulating plate 17 is provided on the upper part of the adjusting platform 13. The pressure regulating plate 17 is located on the upper side of the adjusting plate 14. A group of limiting light rods 16 are evenly arranged in the adjusting platform 13. The limiting light rods 16 pass through the main body of the adjusting plate 14 and the pressure regulating plate 17. The upper end surface of the pressure regulating plate 17 is connected to a group of screws 19 through bearings on the left and right sides. The upper part of the screw 19 passes through the upper end surface of the adjusting platform 13 and extends to the upper side of the adjusting platform 13. The upper part of the screw 19 is connected to the upper end surface of the adjusting platform 13 through a nut. A spring 18 is sleeved on the limiting light rod 16, and the spring 18 is located between the adjusting plate 14 and the pressure regulating plate 17;

[0024] The adjusting device includes an adjusting chamber 20, an adjusting frame 21, a bidirectional lead screw 22, a reduction motor 23 and a transverse platform 24. The adjusting chamber 20 is provided on the right side of the base 1. The adjusting chamber 20 is located on the right side of the flattening device. The adjusting frame 21 is installed on the lower end surface of the adjusting chamber 20. The reduction motor 23 is installed on the left end surface of the adjusting frame 21. The bidirectional lead screw 22 is horizontally installed in the adjusting frame 21. The output end of the reduction motor 23 is connected to the bidirectional lead screw 22. The left and right parts of the bidirectional lead screw 22 are respectively connected to a set of transverse platforms 24 through nuts;

[0025] The bearing device includes a support arm 25, a supporting shaft 26, and a bearing 27. A group of strip grooves are respectively provided on the left and right upper end surfaces of the adjustment chamber 20. The upper part of the transverse platform 24 passes through the strip grooves on the adjustment chamber 20 and extends to the upper side of the base 1. The support arm 25 is installed on the upper end surface of the transverse platform 24, and the supporting shaft 26 is horizontally installed on the support arm 25 through the bearing 27.

[0026] It also includes a limiting truncated cone block 28, and a limiting truncated cone block 28 is set in the middle of the supporting shaft 26;

[0027] The raw material plate is cut by the cutting device and flattened by the flattening device, thereby reducing the curvature of the raw material plate itself, improving the processing stability of the device, and reducing the vibration amplitude of the plate itself during the initial rolling process. The steel coil is supported by the adjusting device in conjunction with the bearing device, and the steel coil is quickly replaced, thereby improving the practicality of the device.

[0028] like Figures 1 to 5 As shown, the utility model is a precision cold bending forming machine. When it is working, the steel coil is first placed on the upper side of the adjusting bin 20, and then the reduction motor 23 is turned on to transmit power to the bidirectional screw 22 to drive the bidirectional screw 22 to rotate, thereby driving the two sets of transverse platforms 24 to move toward each other so that the two sets of supporting shafts 26 are inserted into the steel coil hole to lift the steel coil, and then the raw steel plate is sent between the lower pressure roller 12 and the upper pressure roller 15, and then passes through between the support platform 5 and the pressure plate 9, and finally enters the cold bending forming machine frame 2 for processing. The raw steel plate is squeezed by multiple sets of lower pressure rollers 12 and upper pressure rollers 15 to reduce the self-bending degree of the raw steel plate. When the raw steel plate needs to be cut off, the hydraulic cylinder 8 is controlled to extend to drive the pressure plate 9 to move downward so that the cutting blade 10 and the knife groove 6 cooperate to cut the steel plate raw material. At the same time, the front end of the steel plate is flattened by the cooperation of the pressure plate 9 and the support platform 5.

[0029] The hydraulic cylinder 8 and the reduction motor 23 of the precision cold roll forming machine of the utility model are purchased on the market. The technicians in this industry only need to install and operate them according to the accompanying instruction manual without the need for creative work by the technicians in this field.

[0030] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A precision cold roll forming machine, comprising a base (1), a cold roll forming frame (2), a lifting frame (3) and a cold roll forming roller (4), wherein the cold roll forming frame (2) is mounted on the left side of the upper end surface of the base (1), a plurality of lifting frames (3) are arranged on the cold roll forming frame (2), and the cold roll forming roller (4) is mounted on the cold roll forming frame (2) and the lifting frame (3), respectively; characterized in that, It also includes a cutting device, a flattening device, an adjusting device and a bearing device, wherein the flattening device is installed on the right side of the cutting device, the adjusting device is installed on the right part of the base (1), and the bearing device is installed on the adjusting device.

2. A precision roll forming machine according to claim 1, characterized in that: The cutting device comprises a supporting platform (5), a knife groove (6), a gantry (7), a hydraulic cylinder (8), a pressure plate (9) and a cutting blade (10), wherein the supporting platform (5) is installed at the middle of the upper end surface of the base (1), the knife groove (6) is provided on the upper end surface of the supporting platform (5), the gantry (7) is installed on the upper end surface of the supporting platform (5) through a plurality of groups of light rods, the hydraulic cylinder (8) is installed on the upper end surface of the gantry (7), the movable end of the hydraulic cylinder (8) passes through the upper end surface of the gantry (7) and extends to the lower side of the gantry (7) and is connected to the pressure plate (9), and the cutting blade (10) is provided on the lower end surface of the pressure plate (9).

3. A precision cold roll forming machine according to claim 2, characterized in that: The flattening device comprises a support frame (11), a lower pressure roller (12), an adjustment platform (13), an adjustment plate (14), an upper pressure roller (15), a limit light rod (16), a pressure adjustment plate (17), a spring (18) and a screw (19), wherein a support frame (11) is installed at the middle of the upper end surface of the base (1), the support frame (11) is located on the right side of the cutting device, a plurality of groups of lower pressure rollers (12) are horizontally installed on the support frame (11), a group of adjustment platforms (13) are respectively installed on the front and rear ends of the upper end surface of the support frame (11), a chamber is provided in the adjustment platform (13), a plurality of groups of rectangular holes are respectively provided on the opposite sides of the two groups of adjustment platforms (13), an adjustment plate (14) is provided in the adjustment platform (13), a plurality of groups of upper pressure rollers (15) are installed between the front and rear groups of adjustment plates (14), the plurality of groups of upper pressure rollers (15) are installed between the front and rear groups of adjustment plates (14), ) are respectively located on the upper side of multiple groups of lower pressure rollers (12), a pressure regulating plate (17) is provided on the upper part of the regulating platform (13), the pressure regulating plate (17) is located on the upper side of the regulating plate (14), a group of limiting light rods (16) are evenly provided in the regulating platform (13), the limiting light rods (16) pass through the main body of the regulating plate (14) and the pressure regulating plate (17), and the upper end surface of the pressure regulating plate (17) is connected to a group of screw rods (19) through bearings on the left and right sides, the upper part of the screw rods (19) passes through the upper end surface of the regulating platform (13) and extends to the upper side of the regulating platform (13), the upper part of the screw rods (19) is connected to the upper end surface of the regulating platform (13) through a nut, and a spring (18) is sleeved on the limiting light rod (16), and the spring (18) is located between the regulating plate (14) and the pressure regulating plate (17).

4. A precision roll forming machine as claimed in claim 3, characterized in that: The adjusting device comprises an adjusting chamber (20), an adjusting frame (21), a bidirectional lead screw (22), a reduction motor (23) and a transverse platform (24). The adjusting chamber (20) is provided on the right side of the base (1). The adjusting chamber (20) is located on the right side of the flattening device. The adjusting frame (21) is installed on the lower end surface of the adjusting chamber (20). The reduction motor (23) is installed on the left end surface of the adjusting frame (21). A bidirectional lead screw (22) is horizontally installed in the adjusting frame (21). The output end of the reduction motor (23) is connected to the bidirectional lead screw (22). The left and right parts of the bidirectional lead screw (22) are respectively connected to a set of transverse platforms (24) through nuts.

5. A precision roll forming machine as claimed in claim 4, characterized in that: The bearing device includes a support arm (25), a supporting shaft (26), and a bearing (27). A group of strip grooves are respectively provided on the left and right upper end surfaces of the adjustment chamber (20). The upper part of the transverse platform (24) passes through the strip grooves on the adjustment chamber (20) and extends to the upper side of the base (1). The support arm (25) is installed on the upper end surface of the transverse platform (24), and the supporting shaft (26) is horizontally installed on the support arm (25) through the bearing (27).

6. A precision roll forming machine as claimed in claim 5, characterized in that: It also includes a limiting truncated cone block (28), and the limiting truncated cone block (28) is arranged in the middle of the supporting shaft (26).

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