Roller type anti-retreating device for blanking line

Abstract

The utility model belongs to the technical field of anti-retreating devices, and relates to a roller type anti-retreating device for a blanking line, which comprises a lower roller assembly and an upper roller assembly arranged above the lower roller assembly, the upper roller assembly comprises an upper connecting seat, one side of the upper connecting seat is provided with an upper roller rotating in one direction, and the other side of the upper connecting seat is provided with an air cylinder and an elastic piece. The cylinder drives the upper connecting seat to overcome the elastic force of the elastic piece to move upwards; under the emergency working condition, the air cylinder loses power, and the upper connecting base can return to the initial position under the action of resilience force of the elastic piece. Through the design of the upper roller assembly and the lower roller assembly, the upper roller can be pressed down under the emergency working condition, and meanwhile, the overrun clutch is matched to ensure that a plate strip cannot return into a loop pit; through the design of the upper roller and the lower roller, the surface of the plate strip cannot be damaged when the plate strip is contacted, and the device has the advantages of being simple in structure, stable, reliable, convenient, effective, capable of improving the product percent of pass and the like.

Description

Technical Field

[0001] The utility model belongs to the technical field of anti-backward devices, and in particular relates to a roller type anti-backward device for a blanking line. Background Art

[0002] The anti-backward device is used in the case of emergency shutdown during the blanking line processing. At this time, the plate and strip are fed normally by the feeding device, and the swing frames on both sides of the loop are not fully raised. If the anti-backward device is not installed, the plate and strip will fall into the loop pit and damage the surface of the plate and strip. At the same time, most of the existing anti-backward devices are plate-type, and when the plate-type anti-backward device is in effect, it will leave an indentation on the surface of the plate and strip, and the plate material will not be able to be processed into a qualified finished product. Utility Model Content

[0003] The purpose of the utility model is to solve the defects and shortcomings in the prior art and to design a roller type anti-recoil device for a blanking line which has a simple structure, is stable and reliable, is convenient and effective, and improves the product qualification rate.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a roller anti-retreat device for a blanking line, comprising a lower roller assembly and an upper roller assembly arranged above the lower roller assembly, the upper roller assembly comprising an upper connecting seat, a unidirectionally rotating upper roller is installed on one side of the upper connecting seat, and a cylinder and an elastic part are installed on the other side. Under normal working conditions, the cylinder drives the upper connecting seat to overcome the elastic force of the elastic part and move upward; under emergency conditions, the cylinder loses power, and the upper connecting seat can return to its initial position under the action of the rebound force of the elastic part.

[0005] Preferably, the lower roller assembly is mounted on a base, and the upper roller assembly is arranged above the lower roller assembly via a gantry, wherein the gantry comprises a crossbeam and columns supported on left and right sides of the crossbeam.

[0006] Preferably, the lower roller assembly comprises a lower connecting seat and a lower roller rotatably arranged on the lower connecting seat via a lower roller bearing, and a protective cover is further provided at the end of the lower roller bearing.

[0007] Preferably, the upper roller is arranged on the upper connecting seat through an upper roller bearing, and the upper roller bearing is connected to an overrunning clutch.

[0008] Preferably, a bearing support and a pressure plate are further provided between the upper roller bearing and the upper connecting seat.

[0009] Preferably, the cylinder is mounted on the crossbeam, and the cylinder piston rod is connected to the upper connecting seat via a fork and a bracket.

[0010] Preferably, two guide rods are symmetrically arranged between the upper connecting seat and the cross beam along the axis of the cylinder, one end of the guide rod is connected to the upper connecting seat, and the other end is slidably arranged in the connecting sleeve of the cross beam.

[0011] Preferably, the elastic member is a spring, the spring sleeve is arranged on the guide rod, and the lower end of the spring is connected to the connecting seat through a spacer sleeve, and the upper end of the spring is in contact with the step surface inside the connecting sleeve.

[0012] Preferably, the upper connecting seat is also provided with a baffle on one side of the upper roller.

[0013] After adopting the above technical solution, the roller type anti-retraction device for a blanking line provided by the utility model has the following beneficial effects:

[0014] The utility model can press down the upper roller under emergency conditions through the design of the upper roller assembly and the lower roller assembly, and cooperate with the overrunning clutch to ensure that the plate strip will not return to the loop pit; through the design of the upper roller and the lower roller, it can ensure that the surface of the plate strip will not be damaged when contacting with the plate strip. Therefore, the utility model has the advantages of simple structure, stability and reliability, convenience and effectiveness, and improves the product qualification rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a front view of a roller type anti-retraction device for a blanking line according to the utility model;

[0016] Figure 2 It is a side view of a roller type anti-retraction device for a blanking line according to the utility model.

[0017] Among them: upper connecting seat 1, upper roller 2, cylinder 3, base 4, crossbeam 5, column 6, lower connecting seat 7, lower roller bearing 8, lower roller 9, shield 10, upper roller bearing 11, overrunning clutch 12, bearing support 13, pressure plate 14, fork 15, bracket 16, guide rod 17, spring 18, spacer 19, baffle 20. DETAILED DESCRIPTION

[0018] The present invention is further described clearly and completely below in conjunction with the accompanying drawings and specific embodiments. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present invention and its application or use. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0020] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps described in these embodiments do not limit the scope of the utility model. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once a certain item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0021] In the description of the present utility model, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present utility model; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0022] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0023] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model.

[0024] The utility model discloses a roller type anti-retraction device for a blanking line, such as Figure 1-2 As shown, it includes a lower roller assembly and an upper roller assembly arranged above the lower roller assembly, the lower roller assembly is installed on a base 4, and the upper roller assembly is arranged above the lower roller assembly through a gantry, and the gantry includes a crossbeam 5 and columns 6 supported on the left and right sides of the crossbeam 5.

[0025] The lower roller assembly comprises a lower connecting seat 7 and a lower roller 9 rotatably arranged on the lower connecting seat 7 via a lower roller bearing 8. A protective cover 10 is also arranged at the end of the lower roller bearing 8.

[0026] The upper roller assembly includes an upper connecting seat 1, a unidirectionally rotating upper roller 2 is installed on the side of the upper connecting seat 1 close to the lower roller assembly, and a cylinder 3 and an elastic member are installed on the side away from the lower roller assembly. Specifically, the upper roller 2 is arranged on the upper connecting seat 1 through an upper roller bearing 11, and the upper roller bearing 11 is connected to an overrunning clutch 12 to ensure that the upper roller 2 can only rotate in one direction. A bearing support 13 and a pressure plate 14 are also provided between the upper roller bearing 11 and the upper connecting seat 1. The cylinder 3 is installed on the crossbeam 5, and the piston rod of the cylinder 3 passes through the crossbeam 5. The fork head 15 and the bracket 16 are connected to the upper connecting seat 1. Furthermore, in order to ensure the stability of the upper connecting seat 1 in the up and down movement, two guide rods 17 are symmetrically arranged between the upper connecting seat 1 and the cross beam 5 along the axis of the cylinder 3. One end of the guide rod 17 is connected to the upper connecting seat 1, and the other end is slidably arranged in the connecting sleeve of the cross beam 5. The elastic member is a spring 18, and the spring 18 is sleeved on the guide rod 17, and the lower end of the spring 18 is connected to the upper connecting seat 1 through the spacer sleeve 19, and the upper end of the spring 18 is in contact with the step surface inside the connecting sleeve.

[0027] It should be noted that the upper connecting seat 1 is further provided with a baffle 20 on one side of the upper roller 2 .

[0028] When the utility model is a roller type anti-retraction device for a blanking line, under normal working conditions, the piston rod of the cylinder 3 retracts, driving the upper connecting seat 1 to overcome the elastic force of the spring 18 and move upward, the spring 18 is in a compressed state, and the upper roller 2 is lifted upward; under emergency conditions, the cylinder 3 loses power, the upper connecting seat 1 can return to the initial position under the action of the rebound force of the spring 18, the spring 18 returns to its original state, the upper roller 2 is pressed down, and the plate strip stored in the loop pit has a tendency to move in the opposite direction of the running direction due to gravity, at this time the overrunning clutch 12 takes effect, the plate strip will not return to the loop pit, and at the same time, the contact of the roller surface will not damage the surface of the plate strip.

[0029] To sum up, the utility model provides a roller anti-retreat device for a blanking line, which has the advantages of simple structure, stability and reliability, convenience and effectiveness, and improved product qualification rate. It has great market value and deserves wide promotion and application.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A roller type anti-retraction device for a blanking line, characterized in that: The invention comprises a lower roller assembly and an upper roller assembly arranged above the lower roller assembly, wherein the upper roller assembly comprises an upper connecting seat (1), wherein a unidirectionally rotatable upper roller (2) is installed on one side of the upper connecting seat (1), and a cylinder (3) and an elastic member are installed on the other side. Under normal working conditions, the cylinder (3) drives the upper connecting seat (1) to overcome the elastic force of the elastic member and move upward; under emergency working conditions, the cylinder (3) loses power, and the upper connecting seat (1) can return to the initial position under the action of the rebound force of the elastic member.

2. The roller type anti-retraction device for a blanking line according to claim 1, characterized in that: The lower roller assembly is mounted on a base (4), and the upper roller assembly is arranged above the lower roller assembly via a gantry, wherein the gantry comprises a crossbeam (5) and columns (6) supported on left and right sides of the crossbeam (5).

3. The roller type anti-retraction device for a blanking line according to claim 1, characterized in that: The lower roller assembly comprises a lower connecting seat (7) and a lower roller (9) rotatably arranged on the lower connecting seat (7) via a lower roller bearing (8); a protective cover (10) is also provided at the end of the lower roller bearing (8).

4. The roller type anti-retraction device for a blanking line according to claim 1, characterized in that: The upper roller (2) is arranged on the upper connecting seat (1) via an upper roller bearing (11), and the upper roller bearing (11) is connected to an overrunning clutch (12).

5. The roller type anti-retraction device for a blanking line according to claim 4, characterized in that: A bearing support (13) and a pressure plate (14) are also provided between the upper roller bearing (11) and the upper connecting seat (1).

6. The roller type anti-retraction device for a blanking line according to claim 2, characterized in that: The cylinder (3) is mounted on the crossbeam (5), and the piston rod of the cylinder (3) is connected to the upper connecting seat (1) via a fork (15) and a bracket (16).

7. The roller type anti-retraction device for a blanking line according to claim 2, characterized in that: Two guide rods (17) are symmetrically arranged between the upper connecting seat (1) and the cross beam (5) along the axis of the cylinder (3); one end of the guide rod (17) is connected to the upper connecting seat (1), and the other end is slidably arranged in a connecting sleeve of the cross beam (5).

8. The roller type anti-retraction device for a blanking line according to claim 7, characterized in that: The elastic member is a spring (18), which is sleeved on the guide rod (17), and the lower end of the spring (18) is connected to the connecting seat (1) through a spacer sleeve (19), and the upper end of the spring (18) contacts the step surface inside the connecting sleeve.

9. The roller type anti-retraction device for a blanking line according to claim 1, characterized in that: The upper connecting seat (1) is also provided with a baffle (20) on one side of the upper roller (2).

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