Anti-dragging buffer device of cold roll forming machine

Abstract

The utility model relates to an anti-dragging buffer device of a cold roll forming machine. The anti-dragging buffer device comprises a main body frame, an upper worm gear elevator assembly, a lower worm gear elevator assembly, a buffer plate, a first buffer wheel and a second buffer wheel, the upper worm gear elevator assembly and the lower worm gear elevator assembly are respectively connected with the main body frame; the upper worm gear elevator assembly is arranged above the lower worm gear elevator assembly; the buffer plate is connected with the lower end of the upper worm gear elevator assembly; the first buffer wheel is connected with two ends of the buffer plate; the second buffer wheel is connected with the upper end of the lower worm gear elevator assembly. Compared with the prior art, by arranging the buffer plate, the first buffer wheel and the second buffer wheel, the steel belt can be buffered, the structure is simple, stable and reliable, the problem of mutual pulling between the forming machine and the discharging frame is basically solved, the steel belt smoothly enters the forming machine to be rolled and formed, and it is guaranteed that the length and the punching precision meet the product requirements.

Description

TECHNICAL FIELD

[0001] The utility model relates to cold bending forming technical field especially is related to a cold bending forming machine prevents to drag buffer device. BACKGROUND

[0002] Cold bending forming machine is to put the steel roll on the material placing frame, is pulled to the forming machine and is rolled into shape. The product needs to set the shearing length, punching distance and other actions related to the size accuracy in the production process. Often due to the matching problem of the running speed of the forming machine and the material placing frame causes the length or punching inaccuracy problem.

[0003] Therefore, a cold bending forming machine prevents to drag buffer device is needed to solve the mutual pulling of the forming machine and the material placing frame, so that the steel belt smoothly enters the forming machine and is rolled into shape, and the length and punching accuracy meet the product requirements. UTILITY MODEL CONTENTS

[0004] The utility model discloses a cold bending forming machine prevents to drag buffer device to overcome the defects of the prior art, buffer plate, first buffer wheel, second buffer wheel are set up, can buffer the steel belt, simple structure, stable and reliable, basically solve the mutual pulling of the forming machine and the material placing frame, so that the steel belt smoothly enters the forming machine and is rolled into shape, and the length and punching accuracy meet the product requirements.

[0005] The utility model discloses a cold bending forming machine prevents to drag buffer device to overcome the defects of the prior art, buffer plate, first buffer wheel, second buffer wheel are set up, can buffer the steel belt, simple structure, stable and reliable, basically solve the mutual pulling of the forming machine and the material placing frame, so that the steel belt smoothly enters the forming machine and is rolled into shape, and the length and punching accuracy meet the product requirements.

[0006] The utility model provides a cold bending forming machine prevents to drag buffer device, the device includes main body frame, upper worm wheel elevator assembly, lower worm wheel elevator assembly, buffer plate, first buffer wheel, second buffer wheel, upper worm wheel elevator assembly, lower worm wheel elevator assembly is connected with main body frame respectively, upper worm wheel elevator assembly is located lower worm wheel elevator assembly top, buffer plate is connected with the lower end of upper worm wheel elevator assembly, first buffer wheel is connected with the both ends of buffer plate, second buffer wheel is connected with the upper end of lower worm wheel elevator assembly.

[0007] Further, the middle part of the buffer plate is hinged with the lower end of the upper worm wheel elevator assembly through a connecting piece, the connecting piece includes a first connecting frame, a second connecting frame and a connecting shaft, the first connecting frame is connected with the lower end of the upper worm wheel elevator assembly, the second connecting frame is connected with the middle part of the buffer plate, and the first connecting frame and the second connecting frame are hinged through the connecting shaft.

[0008] Further, the device is used for making the steel belt smoothly enter the forming machine and be rolled into shape, the first buffer wheel is arranged on the upper surface side of the steel belt, and the second buffer wheel is arranged on the lower surface side of the steel belt.

[0009] Further, the first buffer wheel is in abutment with the upper surface of the steel belt; and the second buffer wheel is in abutment with the lower surface of the steel belt.

[0010] Further, the two ends of the steel belt are respectively connected with a feeding rack and a forming machine; and the device is arranged between the feeding rack and the forming machine.

[0011] Further, the device further comprises a bottom plate; and the main body frame is connected with the bottom plate.

[0012] Further, the bottom plate is provided with a sliding rail; the bottom of the main body frame is provided with a sliding block; and the main body frame and the bottom plate are slidingly connected through the cooperation of the sliding block and the sliding rail.

[0013] Further, the direction of the sliding rail is parallel to the axes of the first buffer wheel and the second buffer wheel.

[0014] Further, the upper worm elevator assembly comprises a first lead screw capable of moving linearly upward and downward; the lower worm elevator assembly comprises a second lead screw capable of moving linearly upward and downward; the buffer plate is connected with the lower end of the first lead screw; and the second buffer wheel is connected with the upper end of the second lead screw.

[0015] Further, the upper worm elevator assembly further comprises a first motor and a first worm reducer; the first motor is connected with the first worm reducer; the first worm reducer is connected with the first lead screw; the first worm reducer is connected with the main body frame; the lower worm elevator assembly further comprises a second motor and a second worm reducer; the second motor is connected with the second worm reducer; the second worm reducer is connected with the second lead screw; and the second worm reducer is connected with the main body frame.

[0016] Further, the axes of the first buffer wheel and the second buffer wheel are parallel; and the connecting rotating shaft is parallel to the axes of the first buffer wheel and the second buffer wheel.

[0017] Further, the buffer plate is a spring steel plate. The elasticity of the spring steel depends on its ability of elastic deformation, i.e. within a specified range, the ability of elastic deformation enables it to bear a certain load, and no permanent deformation occurs after the load is removed.

[0018] Further, the spring steel can be 9260 spring steel or other spring steel.

[0019] The working method of the anti-dragging buffer device of the cold roll forming machine comprises the following steps:

[0020] The steel belt placed on the material rack is discharged through the anti-dragging buffer device of the cold bending forming machine, and is formed by the forming machine, when passing through the anti-dragging buffer device of the cold bending forming machine, the first buffer wheel is arranged on the upper surface side of the steel belt, and the second buffer wheel is arranged on the lower surface side of the steel belt, that is, the second buffer wheel supports the lower surface of the steel belt from below, and the first buffer wheel acts on the upper surface of the steel belt from above, in the process that the steel belt is pulled from the material rack to the forming machine, the bending degree of the steel belt when passing through the anti-dragging buffer device of the cold bending forming machine may change due to pulling, the first buffer wheel and the second buffer wheel are stressed, the buffer plate elastically deforms, and the gravity of the first buffer wheel plays a certain buffering role on the bending of the steel belt.

[0021] Further, after the steel belt is removed, the buffer plate does not appear permanent deformation.

[0022] Further, when the steel belt does not pass between the first buffer wheel and the second buffer wheel, the lowest point of the two first buffer wheels connected with the two ends of the buffer plate and the highest point of the second buffer wheel are not on the same straight line, preferably, the highest point of the second buffer wheel is higher than the lowest point of the two first buffer wheels connected with the two ends of the buffer plate, so that the steel belt can be in a bending state between the first buffer wheel and the second buffer wheel when not being pulled.

[0023] Further, one of the first buffer wheel, the second buffer wheel and the other first buffer wheel are distributed along the pulling direction of the steel belt.

[0024] Further, the main frame in the anti-dragging buffer device of the cold bending forming machine slides through the slide rails arranged on the bottom plate, and pulls the material after being in place.

[0025] Compared with the prior art, the anti-dragging buffer device of the cold bending forming machine has the following beneficial effects:

[0026] 1) The anti-dragging buffer device of the cold bending forming machine can buffer the steel belt, has a simple structure, is stable and reliable, basically solves the mutual pulling of the forming machine and the material rack, makes the steel belt smoothly enter the forming machine for rolling forming, guarantees that the length and the punching precision meet the product requirements.

[0027] 2) The anti-dragging buffer device of the cold bending forming machine has a simple structure, low cost, small occupation, simple operation, soft and stable action, is reliable, is simple to manufacture, basically does not produce pollutants and noise, and is durable. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is a front view structural schematic view of the anti-dragging buffer device of the cold bending forming machine in the embodiment of the utility model.

[0029] Figure 2 It is the side view section schematic view of the cold bending forming machine anti-drag buffer device in the embodiment of the utility model, wherein the upper and lower two first connecting frames are for indicating the two positions of the upper worm elevator assembly driving the up-and-down movement of the connecting piece.

[0030] Figure 3 It is the top view structure schematic view (with slide rail, slide block, and without showing motor) of the cold bending forming machine anti-drag buffer device in the embodiment of the utility model.

[0031] Figure 4 It is the top view structure schematic view (without slide rail, slide block, and without showing motor) of the cold bending forming machine anti-drag buffer device in the embodiment of the utility model.

[0032] Figure 5 It is the connection schematic view of the cold bending forming machine anti-drag buffer device, the discharging rack and the forming machine in the embodiment of the utility model.

[0033] In the figure:

[0034] 1, main body frame, 1-1, slide block, 2, upper worm elevator assembly, 2-1, first lead screw, 2-2, first motor, 2-3, first turbine speed reducer, 3, lower worm elevator assembly, 3-1, second lead screw, 3-2, second motor, 3-3, second turbine speed reducer, 4, buffer plate, 5, first buffer wheel, 6, second buffer wheel, 7, steel belt, 8, bottom plate, 8-1, slide rail, 9, discharging rack, 10, forming machine, 11, connecting piece, 11-1, first connecting frame, 11-2, second connecting frame, 11-3, connecting shaft. DETAILED DESCRIPTION

[0035] The utility model will be explained in detail below in combination with the drawings and specific embodiments. The following embodiments will help the person skilled in the art to further understand the utility model, but do not limit the utility model in any form. It should be pointed out that for ordinary skilled in the art, on the premise of not departing from the concept of the utility model, a number of changes and improvements of the opening shape can be made. These all belong to the protection scope of the utility model.

[0036] In the technical scheme, if the preparation means, materials, structure or component ratio and other features are not specified, they are regarded as the common technical features disclosed in the prior art.

[0037] It should be noted that the "front", "back", "left", "right", "up", "down", "inner", "outer" and other directions or position relationships described in the present application are based on the directions or position relationships indicated by the drawings, which are used to make the description of the present application more brief and clear, and are not intended to limit the device or component to a certain orientation, therefore cannot be used as a limitation on the present application. In addition, the embodiments described in the present application are only a part of the embodiments of the present application, and cannot represent all embodiments. Other embodiments obtained by those skilled in the art without making creative efforts on the present application should fall within the protection scope of the present application.

[0038] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0039] It should be noted that in the present application, relationship terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the sentence "including a..." does not exclude the presence of other identical elements in the process, method, article or equipment including the element.

[0040] Embodiment 1

[0041] Reference Figures 1-3 The present embodiment provides a cold bending forming machine anti-drag buffer device, which comprises a main frame 1, an upper worm gear elevator assembly 2, a lower worm gear elevator assembly 3, a buffer plate 4, a first buffer wheel 5 and a second buffer wheel 6.

[0042] The upper worm gear elevator assembly 2 and the lower worm gear elevator assembly 3 are connected with the main frame 1 respectively; the upper worm gear elevator assembly 2 is arranged above the lower worm gear elevator assembly 3.

[0043] The upper worm elevator assembly 2 comprises a first screw rod 2-1 which can move linearly up and down, a first motor 2-2, a first worm reducer 2-3; the lower worm elevator assembly 3 comprises a second screw rod 3-1 which can move linearly up and down, a second motor 3-2, a second worm reducer 3-3. The first motor 2-2 is connected with the first worm reducer 2-3; the first worm reducer 2-3 is connected with the first screw rod 2-1; the first worm reducer 2-3 is connected with the main body frame 1; the second motor 3-2 is connected with the second worm reducer 3-3; the second worm reducer 3-3 is connected with the second screw rod 3-1; the second worm reducer 3-3 is connected with the main body frame 1. In the worm elevator, the cooperation and principle of the screw rod, the motor and the worm reducer are the prior art in the field, and the application does not improve them.

[0044] The buffer plate 4 is connected with the lower end of the first screw rod 2-1 of the upper worm elevator assembly 2; the middle part of the buffer plate 4 is hinged with the lower end of the upper worm elevator assembly 2 through a connecting piece 11; the connecting piece 11 comprises a first connecting frame 11-1, a second connecting frame 11-2 and a connecting rotating shaft 11-3; the first connecting frame 11-1 is connected with the lower end of the upper worm elevator assembly 2; the second connecting frame 11-2 is connected with the middle part of the buffer plate 4; the first connecting frame 11-1 and the second connecting frame 11-2 are hinged through the connecting rotating shaft 11-3.

[0045] The first buffer wheel 5 is connected with both ends of the buffer plate 4, that is, two first buffer wheels 5 are respectively connected with both ends of the buffer plate 4. The first buffer wheel 5 is connected with the buffer plate 4 through a wheel shaft support, that is, the support is connected with the buffer plate 4, and the first buffer wheel 5 is rotatably connected with the support through a wheel shaft.

[0046] The second buffer wheel 6 is connected with the upper end of the second screw rod 3-1 of the lower worm elevator assembly 3. The second buffer wheel 6 is connected with the lower worm elevator assembly 3 through a wheel shaft support, that is, the support is connected with the buffer plate 4, and the second buffer wheel 6 is rotatably connected with the support through a wheel shaft.

[0047] The device is used for making the steel belt 7 smoothly enter the forming machine for rolling forming; the first buffer wheel 5 is arranged on the upper surface side of the steel belt 7; the second buffer wheel 6 is arranged on the lower surface side of the steel belt 7.

[0048] As shown in Figure 5 The both ends of the steel belt 7 are respectively connected with a feeding frame 9 and a forming machine 10; the device is arranged between the feeding frame 9 and the forming machine 10. The feeding frame 9 and the forming machine 10 are both commercial products, and the application does not improve the structure arrangement and working principle of the feeding frame 9 and the forming machine 10.

[0049] The device also comprises a base plate 8; the main frame 1 is connected with the base plate 8. The base plate 8 is provided with a sliding rail 8-1; the bottom of the main frame 1 is provided with a sliding block 1-1; the main frame 1 and the base plate 8 are connected through the cooperation of the sliding block 1-1 and the sliding rail 8-1.

[0050] The direction of the sliding rail 8-1 is parallel to the axis of the first buffer wheel 5 and the second buffer wheel 6.

[0051] The connecting shaft 11-3 is parallel to the axis of the first buffer wheel 5 and the second buffer wheel 6.

[0052] The buffer plate 4 is a spring steel plate. The elasticity of the spring steel depends on its ability to elastically deform, that is, within a certain range, the ability to elastically deform allows it to bear a certain load, and after the load is removed, there is no permanent deformation.

[0053] The working method of the anti-dragging buffer device of the cold bending forming machine comprises:

[0054] The steel strip 7 placed on the material placing frame 9 is discharged, passes through the anti-dragging buffer device of the cold bending forming machine, and is rolled into shape by the forming machine 10. When passing through the anti-dragging buffer device of the cold bending forming machine, the first buffer wheel 5 is arranged on the upper surface side of the steel strip 7, and the second buffer wheel 6 is arranged on the lower surface side of the steel strip 7, that is, the second buffer wheel 6 supports the lower surface of the steel strip 7 from below, and the first buffer wheel 5 acts on the upper surface of the steel strip 7 from above. In the process of pulling the steel strip 7 from the material placing frame 9 to the forming machine 10, the bending degree of the steel strip 7 when passing through the anti-dragging buffer device of the cold bending forming machine may change due to pulling. The first buffer wheel 5 and the second buffer wheel 6 are stressed, the buffer plate 4 with elasticity is elastically deformed, and the gravity of the first buffer wheel 5 plays a certain buffering role on the bending of the steel strip 7.

[0055] When the steel strip 7 does not pass between the first buffer wheel 5 and the second buffer wheel 6, the lowest point of the two first buffer wheels 5 connected with the two ends of the buffer plate 4 and the highest point of the second buffer wheel 6 are not on the same straight line, and preferably the highest point of the second buffer wheel 6 is higher than the lowest point of the two first buffer wheels 5 connected with the two ends of the buffer plate 4, so as to ensure that the steel strip 7 can be in a bent state between the first buffer wheel 5 and the second buffer wheel 6 when not being pulled.

[0056] One of the first buffer wheel 5, the second buffer wheel 6, and the other first buffer wheel 5 are distributed along the pulling direction of the steel strip 7 in sequence.

[0057] The main frame 1 in the anti-dragging buffer device of the cold bending forming machine can slide through the sliding rail 8-1 provided on the base plate 8, and after being positioned, the material is pulled.

[0058] The up-and-down movement of the first screw rod 2-1 of the upper worm gear elevator assembly 2 can drive the connecting piece 11 to move up and down, thereby driving the buffer plate 4 to move up and down. The up-and-down movement of the second screw rod 3-1 of the lower worm gear elevator assembly 3 can drive the second buffer wheel 6 to move up and down. The movement of the screw rod driven by the motor driving worm reducer is prior art, and the present application does not improve it.

[0059] Embodiment 2

[0060] As shown in Figure 4 The embodiment provides a cold bending forming machine anti-drag buffer device, and the difference from the embodiment 1 is that:

[0061] In the embodiment, the slide rail 8-1 and the sliding block 1-1 are not arranged, and the main body frame 1 is fixedly connected with the bottom plate 8.

[0062] The embodiment of the utility model discloses is for facilitating the ordinary skilled person in the art to understand and use the utility model. The person skilled in the art can obviously make various modifications to these embodiments easily, and apply the general principles described herein to other embodiments without creative labor. Therefore, the utility model is not limited to the above-mentioned embodiments, and the improvements and modifications made by the person skilled in the art without departing from the scope of the utility model should be within the protection scope of the utility model.

Claims

1. A drag-proof buffer device for a cold bending forming machine, characterized in that, The device includes a main frame (1), an upper worm gear lift assembly (2), a lower worm gear lift assembly (3), a buffer plate (4), a first buffer wheel (5), and a second buffer wheel (6); The upper worm gear lifting assembly (2) and the lower worm gear lifting assembly (3) are respectively connected to the main frame (1); The upper worm gear lifting assembly (2) is located above the lower worm gear lifting assembly (3); The buffer plate (4) is connected to the lower end of the upper worm gear elevator assembly (2); The first buffer wheel (5) is connected to both ends of the buffer plate (4); The second buffer wheel (6) is connected to the upper end of the lower worm gear elevator assembly (3).

2. The anti-drag buffer device for a cold bending forming machine according to claim 1, characterized in that, The middle part of the buffer plate (4) is hinged to the lower end of the upper worm gear elevator assembly (2) through a connector (11); The connector (11) includes a first connecting frame (11-1), a second connecting frame (11-2), and a connecting shaft (11-3); The first connecting frame (11-1) is connected to the lower end of the upper worm gear lift assembly (2); The second connecting frame (11-2) is connected to the middle of the buffer plate (4); The first connecting frame (11-1) and the second connecting frame (11-2) are connected by a connecting shaft (11-3).

3. The anti-drag buffer device for a cold bending forming machine according to claim 1, characterized in that, The device is used to smoothly feed the steel strip (7) into the forming machine for rolling; The first buffer wheel (5) is located on the upper surface side of the steel belt (7); The second buffer wheel (6) is located on the lower surface side of the steel belt (7).

4. The anti-drag buffer device for a cold bending forming machine according to claim 3, characterized in that, The two ends of the steel strip (7) are respectively connected to the feeding rack (9) and the forming machine (10); The device is located between the feeding rack (9) and the forming machine (10).

5. The anti-drag buffer device for a cold bending forming machine according to claim 1, characterized in that, The device also includes a base plate (8); The main frame (1) is connected to the base plate (8).

6. The anti-drag buffer device for a cold bending forming machine according to claim 5, characterized in that, A slide rail (8-1) is provided on the base plate (8); A slider (1-1) is provided at the bottom of the main frame (1); The main frame (1) and the base plate (8) are slidably connected by the cooperation of the slider (1-1) and the slide rail (8-1).

7. The anti-drag buffer device for a cold bending forming machine according to claim 1, characterized in that, The upper worm gear lifting assembly (2) includes a first lead screw (2-1) that can move linearly up and down; The lower worm gear lifting assembly (3) includes a second lead screw (3-1) that can move linearly up and down; The buffer plate (4) is connected to the lower end of the first lead screw (2-1); The second buffer wheel (6) is connected to the upper end of the second lead screw (3-1).

8. The anti-drag buffer device for a cold bending forming machine according to claim 7, characterized in that, The upper worm gear lift assembly (2) also includes a first motor (2-2) and a first worm gear reducer (2-3); The first motor (2-2) is connected to the first worm gear reducer (2-3); The first worm gear reducer (2-3) is connected to the first lead screw (2-1); The first turbine reducer (2-3) is connected to the main frame (1); The lower worm gear lift assembly (3) also includes a second motor (3-2) and a second worm gear reducer (3-3); The second motor (3-2) is connected to the second worm gear reducer (3-3); The second worm gear reducer (3-3) is connected to the second lead screw (3-1); The second turbine reducer (3-3) is connected to the main frame (1).

9. The anti-drag buffer device for a cold bending forming machine according to claim 1, characterized in that, The axes of the first buffer wheel (5) and the second buffer wheel (6) are parallel.

10. The anti-drag buffer device for a cold bending forming machine according to claim 1, characterized in that, The buffer plate (4) is a spring steel plate.

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