CN217665587U - Cold-bending roll-forming device for high-strength steel battery tray or battery box body beam - Google Patents

Abstract

The utility model belongs to the technical field of cold bending roll forming. In view of the problems that impurities on the surface of the steel strip are likely to affect the processing accuracy and the steel strip coils are easily uncoiled after entering the roll group when the existing roll forming machine is forming the steel strip; the utility model discloses a high-strength steel battery tray. Or a cold-formed roll forming device for battery box beams, the device includes a frame, an unwinding roller, a pressing component, a cleaning component and a roll group; the unwinding roller, the cleaning component and the rolling group are sequentially arranged on the frame; The tightening assembly is matched with the unwinding roller, and has a pressing seat; the pressing roller is rotatably connected with the pressing seat, and can be in contact with the material on the unwinding roller; the bearing seat is arranged above the pressing seat at intervals; The column is arranged between the pressing seat and the bearing seat; the spring is wound around the bearing column; the pressing cylinder is connected to the bearing seat to drive the pressing roller to contact the material tape on the unwinding roller. The roll forming device is beneficial to improve the forming precision of the product, and can avoid the unwinding of the steel strip coil.

Description

Cold-bending roll forming device for high-strength steel battery tray or battery box beam

technical field

The utility model belongs to the technical field of cold-bending roll forming, in particular to a cold-bending roll forming device for high-strength steel battery trays or battery box beams.

Background technique

A battery tray or battery box is usually arranged between axles of an electric vehicle for holding battery modules. At present, most of the battery trays or battery box beams are formed by high-strength steel cold-bending roll forming.

Cold bending roll forming is a material-saving, energy-saving and efficient metal forming process; it continuously bends coils, strips and other metal strips through sequentially configured multi-pass forming rolls to make specific profiles.

But existing this roll forming machine is when steel strip is processed, because the surface of steel strip also can be bonded with impurity such as fine metal shavings and dust, when upper roll and lower roll are pressed steel plate, there is Impurities such as metal shavings and dust will stick to the surface of the upper roll and the lower roll. The surface area of the metal shavings and dust will be smaller than that of the upper roll and the lower roll, which will affect the processing accuracy of the upper roll and the lower roll. It affects the quality of the profile; at the same time, under the action of stress, the steel strip coil is easy to uncoil, which leads to safety hazards and affects the normal process of forming.

Utility model content

In view of the problems that the above-mentioned existing roll forming machine is processing the steel strip, the impurities adsorbed on the surface of the steel strip will easily affect the processing accuracy and the steel strip coil is easy to uncoil after entering the roll group, one of the purposes of the utility model is to provide A cold-bending roll-forming device for high-strength steel battery trays or battery box beams. The roll-forming device can clean the steel strips before roll-forming, and can avoid uncoiling of the steel strips, thereby ensuring normal forming It is beneficial to improve the quality of product molding.

In order to achieve the above object, the utility model adopts the following technical solutions:

A cold-bending roll forming device for high-strength steel battery trays or battery box beams, including a frame, an unwinding roller, a pressing assembly, a cleaning assembly, and a roll group; wherein, the unwinding roller, the cleaning assembly and The roll groups are sequentially arranged on the frame.

The pressing assembly is set in cooperation with the unwinding roller, which has a pressing seat; the pressing roller is rotatably connected with the pressing seat, and can be in contact with the material on the unwinding roller; the pressure bearing seat, The interval is arranged above the pressing seat; the pressure-bearing column is arranged between the pressing seat and the pressure-bearing seat; the spring is wound on the pressure-bearing column; the pressing cylinder and the The pressure bearing seat is connected to drive the pressing roller to contact with the material belt on the unwinding roller.

In one of the technical solutions disclosed in the utility model, the cleaning assembly has brush rollers arranged symmetrically up and down; a passage for the material belt to pass is formed between the brush rollers.

In one of the technical solutions disclosed in the utility model, the brush roller is a driving roller, and the rotation direction of the brush roller is opposite to the running direction of the material belt.

In one of the technical solutions disclosed in the utility model, a guide assembly is further included, arranged between the cleaning assembly and the roller set.

In one of the technical solutions disclosed in the utility model, the guide assembly includes a bracket with a mounting groove; rotating rollers are symmetrically arranged on both sides of the mounting groove; a channel through which the belt passes; the two ends of the rotating roller are rotatably connected with the upper and lower walls of the installation groove;

Wherein, the side edge of the material belt along the running direction abuts against the side wall of the rotating roller.

In one of the technical solutions disclosed in the utility model, the distance between the rotating rollers is adjustable.

In one of the technical solutions disclosed in the utility model, a pre-flattening assembly is also included, which is arranged between the cleaning assembly and the roller group.

In one of the technical solutions disclosed in the utility model, the pre-flattening assembly includes flattening rollers arranged symmetrically up and down; a passage for the material belt to pass is formed between the flattening rollers.

In one of the technical solutions disclosed in the utility model, there are two groups of the pressing assembly, which are respectively arranged above the unwinding roller and on a side away from the running direction of the material belt.

In one of the technical solutions disclosed in the utility model, the pressing roller is a rubber roller.

As can be seen from the above description, compared with the prior art, the beneficial effects of the utility model are:

1. The material tape on the unwinding roller is compacted by setting the pressing assembly, which can avoid the safety hazard caused by the unwinding of the material tape; at the same time, the pressing seat and pressure bearing seat of the pressing assembly A spring is arranged between them, which can avoid the problem that the excessive pressure of the pinch roller causes damage to the material belt and affects the unwinding.

2. There is a cleaning component, which can clean the surface of the material belt before roll forming, so as to prevent the impurities adsorbed on the material belt from entering the roll group and affecting the forming accuracy.

3. Equipped with a pre-flattening component, which can flatten and straighten the material belt before rolling forming, which can ensure the consistency of the forming and help improve the forming accuracy. At the same time, the pre-pressing roller can compress the material belt to prevent the material The belt shakes during operation, thereby reducing the possibility of material belt deviation.

4. There is a guide assembly, the side of the material belt along the running direction is in contact with the side wall of the roller of the guide assembly, which can avoid the deviation of the material belt; at the same time, the distance between the rollers is adjustable, which is applicable Products with different specifications have better practicability.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or in the prior art, the following will briefly introduce the drawings that need to be used in the embodiments or technical descriptions. Obviously, the drawings in the following description are only For some embodiments of the present application, those of ordinary skill in the art can also obtain other drawings based on these drawings without creative effort.

Fig. 1 is a three-dimensional structural schematic diagram of the utility model.

Fig. 2 is a side view of the utility model.

Fig. 3 is a structural schematic diagram of the pressing assembly of the present invention.

Fig. 4 is a structural schematic diagram of the guide assembly of the present invention.

Reference signs: 1-frame; 2-unwinding roller; 3-press assembly; 31-press seat; 32-pressure seat; 33-press roller; 34-pressure column; 35-spring; 36 -pressing cylinder; 4-cleaning assembly; 41-brush roller; 5-roller group; 6-guiding assembly; 61-bracket; 611-installation slot; Flattening assembly; 71 - pre-pressing roller.

Detailed ways

In the following, only some exemplary embodiments are briefly described. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and descriptions are to be regarded as illustrative in nature and not restrictive.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial" ", "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated A device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In addition, in the description of the present utility model, "plurality" means two or more, unless otherwise specifically defined.

In the present utility model, unless otherwise expressly specified and limited, the terms "installation", "connection", "connection", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integration; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication between two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the present invention, unless otherwise clearly specified and limited, a first feature being "on" or "below" a second feature may include direct contact between the first and second features, and may also include the first and second features being in direct contact with each other. The features are not in direct contact but through another feature between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

Embodiments of the utility model will be described in detail below in conjunction with the accompanying drawings.

The embodiment of the utility model discloses a cold-bending roll forming device for high-strength steel battery trays or battery box beams. Tightening component 3, cleaning component 4 and roll group 5; wherein, unwinding roller 2, cleaning component 4 and roll group 5 are arranged on the frame 1 in sequence.

Specifically, the cleaning assembly 4 has brush rollers 41 arranged symmetrically up and down, and a passage for the material belt to pass is formed between the brush rollers 41 . In this embodiment, the brush roller 41 is a driving roller with cleaning brushes arranged on its surface; and the rotation direction of the brush roller 41 is opposite to the running direction of the material belt.

With the above structure, the surface of the material belt is cleaned by the brush roller 41, and the impurities adsorbed on the surface of the material belt are removed before roll forming, which can prevent the impurities on the surface of the material belt from entering the roll group 5 and affect the processing accuracy of the roll group 5. This helps to improve the processing quality.

The pressing assembly 3 and the unwinding roller 2 are arranged in cooperation, and are used for pressing the material tape on the unwinding roller 2 to prevent the material tape from unwinding during operation. As shown in FIG. 3 , the pressing assembly 3 has a pressing seat 31 , a pressure bearing seat 32 , a pressing roller 33 , a bearing column 34 , a spring 35 and a pressing cylinder 36 .

Wherein, the pinch roller 33 is rotatably connected to the pinch seat 31 and can be in contact with the material strip on the unwinding roller 2 . The pressure bearing seat 32 is disposed above the pressing seat 31 at intervals. Several pressure-bearing columns 34 are arranged vertically, one end is connected with the pressing seat 31 , and the other end is connected with the pressure-bearing seat 32 . The spring 35 is wound on the bearing post 34 . The output end of the compression cylinder 36 is connected with the upper surface of the pressure seat 32 , and the other end is connected with the frame 1 .

With the above-mentioned structure, the pressing cylinder 36 drives the pressing roller 33 to move down, and contacts with the material coil on the unwinding roller 2, thereby compressing the material coil, preventing the material coil from unwinding and causing potential safety hazards. Thereby, the normal progress of the forming work is ensured; at the same time, a spring 35 is also arranged between the pressure bearing seat 32 and the pressing seat 31, which can avoid the problems that the excessive pressure of the pressing roller 33 will damage the material coil and affect the unwinding operation.

More specifically, the roll forming device also includes a guide assembly 6, which is arranged between the cleaning assembly 4 and the roll group 5, and is used to prevent the material belt from being deviated during operation, thereby avoiding damage to the material belt and improving the forming quality .

More specifically, as shown in FIG. 1 and FIG. 4 , the guide assembly 6 includes a bracket 61 and a rotating roller 62 .

Wherein, the bracket 61 is installed on the frame 1 and is located between the cleaning assembly 4 and the roll group 5 . The bracket 61 has a mounting slot 611 through which the material belt passes. Key grooves 612 are defined on the upper and lower walls of the installation groove 611 . The rotating rollers 62 are symmetrically arranged in the installation groove 611, and a channel for the material belt to pass is formed between the rotating rollers 62 . Two ends of the rotating roller 62 are provided with a rotating shaft 621 , and the rotating shaft 621 is connected to the rotating roller 62 in rotation. The shaft 621 passes through the keyway 612 and is fixed by a nut.

With the above-mentioned structure, by being provided with the rotating roller 62, before entering the roll 5, the side edge of the material belt along the running direction is in contact with the side wall of the rotating roller 62, which can prevent the material belt from being deviated before entering the roll group 5, thereby avoiding The material belt is damaged, which is conducive to improving the molding quality; at the same time, through the upper and lower walls of the installation groove 611, a keyway 612 is provided, and the rotating shaft 621 is inserted in the keyway 612 and fixed by a nut. By loosening the nut, the rotation speed can be adjusted. The distance between the rollers 62 can adapt to material belts of different widths, and the practicability is better.

More specifically, the roll forming device also includes a pre-flattening component 7, which is arranged between the cleaning component 4 and the guide component 6, and is used to straighten and flatten the material belt, so as to ensure the consistency of the forming, which is beneficial to improve the product quality. Forming precision.

More specifically, the pre-flattening assembly 7 includes pre-compression rollers 71 arranged symmetrically up and down, and a channel for the material belt to pass is formed between the pre-compression rollers 71 .

With the above-mentioned structure, the pre-pressing roller 71 is used to pre-press and straighten the material belt before roll forming, which can ensure the consistency of the forming and is conducive to improving the forming accuracy; Compression and fixing on both sides can prevent the material belt from shaking during operation, thereby reducing the possibility of the material belt running off-center.

More specifically, as shown in accompanying drawings 1 and 2, there are two groups of pressing assemblies 3, which are respectively arranged above the unwinding roller 2 and on the side away from the running direction of the material belt. By adopting the above structure, the material strip on the unwinding roller 2 can be pressed simultaneously from two directions, and the unwinding resistance is better.

More specifically, the pressing roller 33 is a rubber roller, which can avoid damaging the material belt.

The working principle of the utility model embodiment is:

First, place the material strip on the unwinding roller 2, then adjust the pinch cylinder 36 so that the pinch roller 33 contacts the material strip on the unwinding roller 2, thereby compressing the material strip; then, the material strip After the cleaning assembly 4, the brush roller 41 arranged up and down cleans the surface of the material belt; after the cleaning is completed, the material belt enters the pre-pressing assembly 7, and the pre-pressing roller 71 arranged up and down pre-presses and straightens the material belt ; Subsequently, the material belt enters the guide assembly 6, adjusts the distance between the rollers 62 according to the width of the material belt, so that the side of the material belt along the running direction and the side wall of the rotating roller 62 abut; finally the material belt enters the roller group 5 , to achieve roll forming.

It can be seen from the above description that compared with the prior art, the beneficial effects of the embodiments of the present invention are:

By setting the pressing component to compress the material strip on the unwinding roller, the safety hazard caused by the unwinding of the material strip can be avoided; A spring is provided to avoid the damage of the material belt caused by excessive pressure of the pinch roller and the problem of affecting the unwinding; further, a cleaning component is provided to clean the surface of the material belt before roll forming, which can avoid the material belt The impurities adsorbed on the rollers enter the roll group, which affects the forming accuracy; furthermore, there is a pre-flattening component, which can flatten and straighten the material belt before roll forming, which can ensure the consistency of the forming and is conducive to improving At the same time, the pre-pressure roller can compress the material belt to prevent the material belt from shaking during operation, thereby reducing the possibility of material belt deviation; finally, there is a guide assembly, the side of the material belt along the running direction and the guide assembly. The side walls of the rollers are in contact with each other, which can avoid the deviation of the material belt; at the same time, the distance between the rollers is adjustable, which can be used for products of different specifications, and has better practicability.

The specific embodiments described above have further described the purpose, technical solutions and beneficial effects of the present utility model in detail. Within the protection scope of the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims (10)

1. The utility model provides a cold-bending roll forming device of high-strength steel battery tray or battery box roof beam which characterized in that includes:

the device comprises a frame, a unreeling roller, a pressing assembly, a cleaning assembly and a roller set;

the unwinding roller, the cleaning assembly and the roller group are sequentially arranged on the rack;

the compressing assembly and the unwinding roller are arranged in a matched mode and provided with:

a pressing seat;

the pressing roller is rotationally connected with the pressing seat and can be contacted with the material on the unwinding roller;

the pressure bearing seats are arranged above the pressing seats at intervals;

the pressure bearing column is arranged between the pressing seat and the pressure bearing seat;

the spring is wound on the bearing column;

and the pressing cylinder is connected with the pressure bearing seat to drive the pressing roller to be in contact with the material belt on the unwinding roller.

2. A cold roll forming apparatus for high strength steel battery trays or battery box beams as claimed in claim 1, further comprising a guide assembly disposed between the cleaning assembly and the roller set.

3. A cold roll forming apparatus for high strength steel battery trays or battery box beams as claimed in claim 2, wherein the guide assembly comprises:

the bracket is provided with a mounting groove;

the rotating rollers are arranged on the two sides of the mounting groove in a bilateral symmetry manner; a channel for the material belt to pass through is formed between the rotating rollers;

two ends of the rotary roller are respectively and rotatably connected with the upper wall and the lower wall of the mounting groove;

wherein, the side edge of the material belt along the running direction is abutted against the side wall of the rotating roller.

4. A cold-bending roll-forming device for high-strength steel battery trays or battery box beams as claimed in claim 3, wherein the distance between the rollers is adjustable.

5. A cold-bending and rolling forming device for high-strength steel battery trays or battery box beams as claimed in claim 1, further comprising a pre-flattening assembly arranged between the cleaning assembly and the roller group.

6. The cold-bending roll forming device for the high-strength steel battery tray or the battery box beam as claimed in claim 5, wherein the pre-flattening assembly comprises flattening rollers which are arranged symmetrically up and down; and a channel for the material belt to pass through is formed between the flattening rollers.

7. A cold-bending roll-forming device for high-strength steel battery trays or battery box beams according to claim 1, wherein two groups of pressing assemblies are arranged above the unwinding roller and on one side deviating from the running direction of the material belt.

8. The cold-bending roll forming device for the high-strength steel battery tray or the battery box beam as claimed in claim 1, wherein the cleaning assembly is provided with brush rolls which are arranged symmetrically up and down; and a channel for the material belt to pass through is formed between the brush rollers.

9. A cold-bending roll-forming device for high-strength steel battery trays or battery box beams according to claim 8, wherein the brush roll is a driving roll, and the rotation direction of the brush roll is opposite to the running direction of the material belt.

10. A cold-bending roll forming device for high-strength steel battery trays or battery box beams as claimed in claim 1, wherein the pressing rollers are rubber rollers.

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