CN219025535U - A workpiece cold bending machine - Google Patents

Abstract

The utility model relates to the technical field of building construction, in particular to a workpiece cold bending machine, which limits the front and rear positions of the profile steel during the bending process of the profile steel, prevents the profile steel from moving forward and backward during the bending process, and improves the bending efficiency. High precision and high reliability; including bottom plate, two sets of sliders, four sets of support plates, two sets of support rollers, two sets of screw A, four sets of moving blocks, four sets of support frames, four sets of limit rollers, and bending mechanism And the moving device, the two sets of sliders are slidingly installed on the bottom plate from the left and rear, the moving device is used to drive the movement of the two sets of sliders, the front and rear parts of the upper ends of the two sets of sliders are fixedly installed with a set of support plates, and the two sets of The support rollers are respectively rotated and installed on four sets of support plates, and the two sets of screw A are respectively rotated and installed on two sets of sliders. Two sets of moving blocks are installed on the front and back slides.

Description

A workpiece cold bending machine

technical field

The utility model relates to the technical field of building construction, in particular to a workpiece cold bending machine.

Background technique

Cold bending machine, also known as arch bending machine, is mainly used to bend steel plates, and it is widely used in the process of building construction. The workpiece cold bending machine with the patent application number "CN201621298668.X" includes the main frame, the bottom plate of the cold bending machine, the half-box walking track at the front of the jack, two driving wheels, one driven wheel, a hydraulic jack, side support plates, Bottom support plate, supporting motor and control system; when it is in use, the small gantry crane in the steel processing shed first puts the steel to be processed into the running track of the cold bending machine, and the two motors of the cold bending machine drive the two driving wheels to drive The profiled steel is walking, and the hydraulic jack is working at the same time, and the profiled steel can be bent to a preset radius; it is found in the process of use that because it is not equipped with a limit device for the profiled steel in the front and rear direction, the profiled steel is bent. During the bending process, it may tilt back and forth or move back and forth, which will reduce the bending accuracy. Therefore, a device that can limit the front and rear of the section steel during the bending process of the section steel is needed.

Utility model content

In order to solve the above-mentioned technical problems, the utility model provides a front and rear limit position for the section steel during the bending process of the section steel, which prevents the section steel from moving back and forth during the bending process, improves the bending precision, and is a high-reliability workpiece cooling machine. bender.

A workpiece cold bending machine of the utility model includes a bottom plate, two sets of sliders, four sets of support plates, two sets of support rollers, two sets of lead screws A, four sets of moving blocks, four sets of support frames, and four sets of limit rollers , bending mechanism and moving device, the two sets of sliders are left and rear slidably installed on the base plate, the moving device is used to drive the movement of the two sets of sliders, the front and rear of the upper ends of the two sets of sliders are fixedly installed with a set of support The two sets of support rollers are respectively rotated and installed on the four sets of support plates, and the two sets of screw A are respectively rotated and installed on the two sets of sliders. There are two sets of moving blocks sliding back and forth on the two sets of sliders, a set of support frames are mounted on the front and back of the two sets of screw A, and the four sets of limit rollers are respectively rotated and installed on the four sets of support frames. Installed in the middle of the bottom plate; first place the section steel that needs to be bent on the upper ends of the two sets of support rollers, so that the part that needs to be bent on the section steel is located under the bending mechanism, and then rotate the two sets of screw A, the rotating two sets of screw A drives the four sets of moving blocks on the front and rear sides to approach each other, and the four sets of moving blocks drive the four sets of support frames and the four sets of limit rollers to approach each other until the front and rear ends of the section steel are closely attached to the four sets of limit rollers, and then the press is opened. Bending mechanism, so that the bending mechanism presses down on the middle part of the section steel until the section steel is bent; because the front and rear ends of the section steel are in contact with the limit rollers during the bending process, the four sets of limit rollers are in contact with the section steel. It has the function of front and rear limit, so it prevents the section steel from moving back and forth during the bending process, improves the bending accuracy and high reliability.

Preferably, the bending mechanism includes two sets of connecting plates, pressure rollers and lifting devices, the two sets of connecting plates are fixedly installed on the lifting device, the pressing rollers are rotatably mounted on the two sets of connecting plates, and the pressing rollers are located on the two sets of supporting rollers. Above, the lifting device is fixedly installed on the top of the bottom plate; when the profile steel is placed on the upper ends of the two sets of support rollers, the lifting device is opened, and the lifting device drives the pressure roller down through the two sets of connecting plates. The pressure roller can bend the section steel; it is convenient for bending the section steel.

Preferably, the lifting device includes an L plate, a driving cylinder, a sliding rod and a lifting plate, the L plate is fixedly installed on the upper end of the base plate, the driving cylinder is fixedly installed on the upper end of the L plate, the sliding rod slides up and down on the L plate, and the sliding rod The upper end is connected with the output end of the driving cylinder, a chute is set on the L plate, the rear part of the lifting plate slides up and down and is installed on the chute, the lifting plate is fixedly installed at the lower end of the sliding rod, and two sets of connecting plates are respectively fixedly installed at the lower end of the lifting plate Open the drive cylinder, the drive cylinder will drive the lifting plate to drive the two sets of connecting plates down through the sliding rod, and the two sets of connecting plates will drive the pressure roller down; since the height of the pressure roller can be adjusted, it can be adjusted according to actual needs. The section steel is bent to different angles, which is easy to use and has low limitations.

Preferably, the moving device includes two sets of fixed rods, a support block, a drive motor and a first lead screw, slideways are arranged on the bottom plate, two sets of sliders slide left and right and are installed on the slideways, and two sets of fixed rods are fixedly installed On the slideway, the support block is fixedly installed on the right end of the base plate, the driving motor is fixedly installed on the upper end of the support block, the first lead screw is rotatably installed on the base plate, the right end of the first lead screw is connected with the output end of the drive motor, the first lead screw The left and right parts are respectively provided with external threads with opposite rotation directions, and the two sets of sliders are respectively screwed to the left and right parts of the first lead screw; when the drive motor is turned on, the drive motor drives the first lead screw to rotate, and the rotating first lead screw drives The two sets of sliders are close to each other, and the two sets of sliders make the two sets of support rollers close to each other through the four sets of support plates, until the distance between the two sets of support rollers is adapted to the length of the profile steel; due to the distance between the two sets of support rollers The distance can be adjusted, so it can support different lengths of section steel, and the use limitation is low.

Preferably, it also includes two sets of handwheels and two sets of handles, the two sets of handwheels are fixedly installed on the two sets of screw A respectively, and the two sets of handles are respectively fixedly installed on the two sets of handwheels; rotating the two sets of handles, the two sets of handles The two sets of lead screws A can be rotated by two sets of handwheels; by setting two sets of handwheels and two sets of handles, workers can realize the rotation of the lead screws A by holding the two sets of handles, which is convenient to use.

Preferably, a leakage protector is arranged on the driving motor; through the above arrangement, the safety of the driving motor during use is improved.

Preferably, the surfaces of the limiting rollers are all smooth wear-resistant surfaces; through the above arrangement, the frictional force when the shaped steel slides up and down on the limiting rollers is reduced, and the reliability is improved.

Compared with the prior art, the utility model has the beneficial effects of preventing the section steel from moving back and forth during the bending process, and improving the bending precision.

Description of drawings

Fig. 1 is the axonometric structural representation of the utility model;

Fig. 2 is a structural schematic diagram of a limit roller, a support plate and a support frame, etc.;

Fig. 3 is the front view structure schematic diagram of the utility model;

Fig. 4 is a partially enlarged schematic structural view of A in Fig. 1;

Marks in the drawings: 1. Bottom plate; 2. Slide block; 3. Support plate; 4. Support roller; 5. Lead screw A; 6. Moving block; 7. Support frame; 8. Limiting roller; 9. Connecting plate ;10, pressure roller; 11, L plate; 12, drive cylinder; 13, sliding rod; 14, lifting plate; 15, chute; 17, slideway; 18, fixed rod; 19, support block; ; 21, the first leading screw; 22, the hand wheel; 23, the handle.

Detailed ways

In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. The invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

As shown in Figures 1 to 4, a set of support plates 3 are fixedly installed on the front and rear parts of the upper ends of the two sets of sliders 2, and the two sets of support rollers 4 are respectively rotatably mounted on the four sets of support plates 3, and the two sets of lead screws A5 are respectively Rotationally installed on two sets of sliders 2, the front and rear parts of the two sets of lead screws A5 are provided with external threads with opposite directions of rotation, and two sets of moving blocks 6 are installed on the two sets of sliders 2 for sliding back and forth, and the two sets of lead screws A5 The front and rear parts of the A5 are screwed with a set of support frames 7, four sets of limit rollers 8 are respectively rotatably installed on the four sets of support frames 7, two sets of connecting plates 9 are fixedly installed on the lifting device, and the pressure roller 10 is rotatably installed on the four sets of support frames 7. On the two sets of connecting plates 9, the pressure roller 10 is located above the two sets of support rollers 4, the L plate 11 is fixedly installed on the upper end of the bottom plate 1, the driving cylinder 12 is fixedly installed on the upper end of the L plate 11, and the sliding rod 13 is installed on the L plate 11 by sliding up and down. Above, the upper end of the sliding rod 13 is connected with the output end of the driving cylinder 12, the L plate 11 is provided with a chute 15, the rear part of the lifting plate 14 slides up and down and is installed on the chute 15, and the lifting plate 14 is fixedly installed on the sliding rod 13 The lower end, two groups of connecting plates 9 are fixedly installed on the front and rear parts of the lifting plate 14 lower ends respectively, the base plate 1 is provided with a slideway 17, and two groups of slide blocks 2 are all slid left and right and installed on the slideway 17, and the two groups of fixed rods 18 are arranged on the slideway 17. Fixedly installed on the slideway 17, the support block 19 is fixedly installed on the right end of the base plate 1, the driving motor 20 is fixedly installed on the upper end of the support block 19, the first leading screw 21 is rotatably installed on the base plate 1, and the right end of the first leading screw 21 is connected with the drive The output end of the motor 20 is connected, and the left and right parts of the first lead screw 21 are respectively provided with external threads with opposite directions of rotation, and the two groups of slide blocks 2 are screwed to the left and right parts of the first lead screw 21 respectively.

The workpiece cold bending machine of the utility model, when it is working, turns on the driving motor 20, and the driving motor 20 drives the first screw 21 to rotate, and the rotating first screw 21 drives two groups of sliders 2 to approach each other, and the two groups of sliders 2 Make the two sets of support rollers 4 close to each other through the four sets of support plates 3, and the distance between the two sets of support rollers 4 is suitable for the length of the section steel, and then the workers place the section steel on the upper ends of the two sets of support rollers 4, and make the section steel The part that needs to be bent is located under the pressure roller 10, and then two sets of screw screws A5 are rotated, and the two sets of screw screws A5 that rotate drive the four sets of moving blocks 6 on the front and rear sides to approach each other, and the four sets of moving blocks 6 drive the four sets of supporting frames 7 and the four sets of limit rollers 8 are close to each other, until the front and rear ends of the steel are respectively attached to the four sets of limit rollers 8, and then the drive cylinder 12 is opened, and the drive cylinder 12 makes the lifting plate 14 drive the two sets of connecting plates 9 through the sliding rod 13 Descending, the two sets of connecting plates 9 drive the pressure roller 10 to descend, and the pressure roller 10 contacts the profile steel and bends the profile steel in the process of descending, until the profile steel is bent to a specified angle by the pressure roller 10; because the profile steel is bending During the process, the front and rear ends are in contact with the limit rollers 8 respectively, and the four sets of limit rollers 8 play the role of front and rear limit on the section steel, so that the section steel is prevented from moving forward and backward during the bending process, and the bending accuracy is improved. , since the distance between the two sets of supporting rollers 4 can be adjusted, it can support shaped steel of different lengths, and since the height of the pressure roller 10 can be adjusted, the shaped steel can be bent to different angles according to actual needs, using Convenience and low limitations.

A workpiece cold bending machine of the utility model, its installation mode, connection mode or setting mode are all common mechanical methods, as long as the beneficial effect can be achieved; the support roller 4 of the workpiece cold bending machine of the utility model . A person skilled in the art pays creative efforts.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the present invention. In the description of the present utility model, unless otherwise clearly stipulated and limited, the terms "installation", "installation", "connection", "connection", and "fixation" should be understood in a broad sense, for example, it can be a fixed connection, or It can be a detachable connection or integrated; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary; it can be the internal communication of two components or the interaction relationship between two components . Those of ordinary skill in the art will understand the specific meanings of the above terms in the present invention according to specific situations.

The terminology used in the description of the utility model herein is only for the purpose of describing specific embodiments, and is not intended to limit the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The above is only a preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the technical principle of the utility model, some improvements and modifications can also be made. And modification should also be regarded as the protection scope of the present utility model.

Claims (7)

1. The utility model provides a work piece cold bending machine, a serial communication port, including bottom plate (1), two sets of sliders (2), four sets of extension boards (3), two sets of backing rolls (4), two sets of lead screw A (5), four sets of movable blocks (6), four sets of frame (7), four sets of spacing rollers (8), bending mechanism and mobile device, sliding mounting is on bottom plate (1) around two sets of sliders (2) all, mobile device is used for driving the removal of two sets of sliders (2), two parts around two sets of sliders (2) upper end all fixed mounting have a set of extension board (3), two sets of backing rolls (4) rotate respectively and install on four sets of extension boards (3), two sets of lead screw A (5) rotate respectively and install on two sets of sliders (2), two sets of movable blocks (6) are all provided with the external screw thread that revolves to opposite around two sets of lead screw A (5), two sets of frame (7) are all installed at the front and back slidable mounting on two sets of sliders (2), two sets of lead screw A (7) are all installed at two sets of frame (7) around four frame (7) rotate respectively on four frame (1).

2. A workpiece cold bending machine as claimed in claim 1, characterised in that the bending mechanism comprises two sets of connection plates (9), a press roll (10) and a lifting device, both sets of connection plates (9) are fixedly mounted on the lifting device, the press roll (10) is rotatably mounted on both sets of connection plates (9), the press roll (10) is located above both sets of support rolls (4), and the lifting device is fixedly mounted at the upper end of the base plate (1).

3. A workpiece cold bending machine as claimed in claim 2, characterized in that the lifting device comprises an L plate (11), a driving cylinder (12), a sliding rod (13) and a lifting plate (14), wherein the L plate (11) is fixedly arranged at the upper end of the bottom plate (1), the driving cylinder (12) is fixedly arranged at the upper end of the L plate (11), the sliding rod (13) is vertically and slidably arranged on the L plate (11), the upper end of the sliding rod (13) is connected with the output end of the driving cylinder (12), a chute (15) is arranged on the L plate (11), the rear part of the lifting plate (14) is vertically and slidably arranged on the chute (15), the lifting plate (14) is fixedly arranged at the lower end of the sliding rod (13), and the two groups of connecting plates (9) are respectively fixedly arranged at the front part and the rear part of the lower end of the lifting plate (14).

4. A workpiece cold bending machine as claimed in claim 1, characterized in that the moving means comprise two groups of fixing rods (18), a supporting block (19), a driving motor (20) and a first screw (21), the base plate (1) is provided with a slideway (17), the two groups of sliding blocks (2) are all arranged on the slideway (17) in a sliding manner, the two groups of fixing rods (18) are all arranged on the slideway (17) in a fixed manner, the supporting block (19) is fixedly arranged at the right end of the base plate (1), the driving motor (20) is fixedly arranged at the upper end of the supporting block (19), the first screw (21) is rotatably arranged on the base plate (1), the right end of the first screw (21) is connected with the output end of the driving motor (20), the left and right parts of the first screw (21) are respectively provided with external threads with opposite rotation directions, and the two groups of sliding blocks (2) are respectively arranged on the left and right parts of the first screw (21).

5. A workpiece cold bending machine as claimed in claim 1, further comprising two sets of hand wheels (22) and two sets of handles (23), the two sets of hand wheels (22) being fixedly mounted on the two sets of screw shafts a (5), respectively, and the two sets of handles (23) being fixedly mounted on the two sets of hand wheels (22), respectively.

6. A workpiece-bending machine as claimed in claim 4, characterised in that the drive motor (20) is provided with an earth leakage protector.

7. A workpiece cold bending machine as claimed in claim 1, characterised in that the surfaces of the limit rolls (8) are smooth and wear-resistant surfaces.

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