Section steel cold bending machine

Abstract

The utility model relates to the technical field of engineering equipment, and discloses a section steel cold bending machine which comprises a workbench, a top bending assembly and two positioning translation assemblies, and each positioning translation assembly comprises a driving wheel bearing seat and a driving roller arranged in the driving wheel bearing seat. The top of the driving wheel bearing seat is provided with a speed reducer for driving the driving roller and a hydraulic motor, the top bending assembly comprises a driven roller assembly and a first hydraulic cylinder, and the driven roller assembly is arranged at the ejection end of the first hydraulic cylinder so as to drive the driven roller assembly to reciprocate. On one hand, the overall structure of the cold bending machine is simplified, on the other hand, stronger bending power is achieved, stability is better, high-strength section steel can obtain the good bending precision effect, the use range of equipment is expanded, the working efficiency, the construction progress and the product quality are guaranteed and improved, and the cold bending machine has the advantages of being simple in structure, good in stability and reliability, low in cost and the like. The practicability is high, and the using effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering equipment, in particular to a section steel cold bending machine. Background Art

[0002] Cold bending machine, also known as arch bending machine, is mainly used for bending I-beams, channel steels, angle steels, U-shaped steels and other profiles in tunnels, subways, hydropower stations, underground caverns, etc. Cold bending machine is a new type of equipment for processing and manufacturing tunnel support steel arch frames.

[0003] In the prior art, the bending shape and bending angle of steel sections processed by cold bending machines are mostly determined by manual experience, and the processing accuracy cannot be effectively guaranteed. Steel sections that do not meet the production and construction standards need to be re-cold-bent. The applicant has innovatively designed a steel section cold bending machine and submitted a patent application, with the publication number CN 217617029 U. In actual application, certain limitations of the cold bending machine were found. On the one hand, the stability of the steel sections was insufficient during the bending process, especially for some steel sections with higher strength, which resulted in insufficient bending accuracy. In addition, there was a problem of motor burning, which limited its scope of use, affected work efficiency, construction progress, and quality requirements, and could not meet production and construction requirements.

[0004] In view of the above, the applicant has studied and improved the existing problems and proposed the steel section cold bending machine of the present application to improve the stability and reliability of the cold bending machine and improve the bending effect and quality. Utility Model Content

[0005] The purpose of the utility model is to provide a steel section cold bending machine to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A steel section cold bending machine includes a workbench, a top bending assembly and two positioning and translation assemblies, characterized in that: the two positioning and translation assemblies each include a driving wheel bearing seat and a driving roller arranged in the driving wheel bearing seat, a reducer and a hydraulic motor for driving the driving roller are arranged on the top of the driving wheel bearing seat, the top bending assembly includes a passive roller assembly and a first hydraulic cylinder, and the passive roller assembly is arranged at the ejection end of the first hydraulic cylinder to drive the passive roller assembly to reciprocate.

[0008] In order to further realize the present invention, the following technical solutions may be preferably selected:

[0009] Preferably, the hydraulic cylinder is provided with a fixed seat on the workbench, and a connecting rod is provided between the fixed seat and the driving wheel bearing seats of the two positioning and translation assemblies.

[0010] The connecting rod comprises a connecting rod and hinged joints threadedly connected to both ends of the connecting rod, and is hinged to the fixing seat and the driving wheel bearing seat respectively through the hinged joints.

[0011] Further preferably, the steel section cold bending machine also includes a plurality of clamping guide assemblies, the clamping guide assemblies include a guide frame, an upper roller and a lower roller, the two ends of the upper roller are slidably connected to the guide frame through a slide, and a second hydraulic cylinder is provided at both ends of the top of the guide frame to drive the slide to move up and down.

[0012] Through the above technical solution, the beneficial effects of the utility model are:

[0013] The positioning and translation assembly of the utility model adopts a hydraulic motor and a reducer to drive the active roller in the active wheel bearing seat, and the passive roller assembly is driven by the first hydraulic cylinder. On the one hand, it simplifies the overall structure of the cold bending machine and avoids the large loss caused by the burning motor in the existing technology. On the other hand, it realizes stronger bending power. The hydraulic motor and the reducer drive the active roller, which has better stability and can achieve good bending accuracy for higher strength steel sections. It expands the scope of use of the equipment and ensures and improves work efficiency, construction progress and product quality.

[0014] The utility model further improves its structural stability by arranging a connecting rod between the fixed seat of the hydraulic cylinder and the driving wheel bearing seats of the two positioning and translation assemblies, effectively overcomes the tension of bent I-beams or round pipe workpieces between the two driving rollers and the passive roller, further improves the stability, reliability and applicability of the device, and is easy to adjust when changing work stations.

[0015] The clamping guide assembly of the utility model adopts two second hydraulic cylinders on the guide frame to drive and control the upper roller, so that the clamping of the workpiece is more stable and reliable, saving time and labor, further improving the working efficiency, and ensuring the bending accuracy and stable quality.

[0016] The utility model has the characteristics of simple structure, good stability and reliability, strong practicability and good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described below with reference to the accompanying drawings:

[0018] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;

[0019] Figure 2 yes Figure 1 Schematic diagram of the side structure. DETAILED DESCRIPTION

[0020] In the description of the utility model, need explanation further, unless another explicit provision and limitation, term "arrangement", "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two elements inside the communication.For ordinary skilled in the art, can understand the specific meaning of the above terms in the utility model according to specific circumstances.

[0021] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled in the art without creative labor belong to the scope of protection of the utility model. Embodiments

[0022] As Figure 1 and 2 shown, a kind of sectional steel cold bending machine, including workbench 1, workbench 1 is provided with top bending subassembly 2, two positioning translation subassembly 3 and hydraulic control console 4, the top bending subassembly 2 includes passive roller assembly 21 and first hydraulic cylinder 22, passive roller assembly 21 is set in the top end of first hydraulic cylinder 22, to drive passive roller assembly 21 reciprocating motion, passive roller assembly 21 both sides are provided with guide rail, passive roller assembly 21 is slid with guide rail cooperation, guide rail both sides are provided with two positioning translation subassembly 3.

[0023] Positioning translation subassembly 3 is set at different workstations on workbench 1 according to different cold bending workpieces, and two positioning translation subassembly 3 includes driving pulley bearing seat 31 and the driving pulley bearing seat 31 in the driving pulley bearing seat 31 The main roller 32 of active, the top of driving pulley bearing seat 31 is provided with the speed reducer 33 and hydraulic motor 34 of driving main roller 32.

[0024] In order to optimize the product structure and further overcome the tension when the workpiece is bent, it is preferred that the hydraulic cylinder 22 is provided with a fixed seat 23 on the workbench 1. The fixed seat 23 includes a front plate with a door opening and two right-angled side plates, forming a U-shaped seat structure stably connected to the workbench 1. The fixed seat 23 can preferably be fixedly connected to the hydraulic cylinder 22. A limit member is provided at the rear end of the hydraulic cylinder 22 to form a stable limiting and fixing effect on the hydraulic cylinder 22. A connecting rod 5 is provided between the fixed seat 23 and the driving wheel bearing seat 31 of the two positioning and translation assemblies 3. The connecting rod 5 includes a connecting rod 51 and a hinged joint 52 threadedly connected to the two ends of the connecting rod 51. The two hinged joints 52 are respectively hinged to the fixed seat 23 and the driving wheel bearing seat 31. The two ends of the connecting rod 51 are threadedly connected to the hinged joint 52. The length of the connecting rod 5 can be adjusted to meet the length requirements of different workstations. The connecting rod 51 is provided with a groove, a protrusion, or a polygonal flat clamping portion to facilitate force-added rotation control.

[0025] Further preferably, the steel cold bending machine also includes a plurality of clamping guide assemblies 6, the clamping guide assembly 6 includes a guide frame 61, an upper roller 62 and a lower roller, the two ends of the upper roller 62 are slidingly connected to the guide frame 61 through a slide 63, and the two ends of the top of the guide frame 61 are provided with a second hydraulic cylinder 64 for driving the slide 63 to move up and down, and the ejection end of the second hydraulic cylinder 64 extends into the guide frame 61 and is connected to the slide 63. Through the synchronous drive of the second hydraulic cylinder 64, the upper roller 62 and the lower roller cooperate to clamp the workpiece, thereby further improving the stability and bending accuracy of the workpiece.

[0026] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A steel section cold bending machine, comprising a workbench, a top bending assembly and two positioning and translation assemblies, characterized in that: Both positioning and translation assemblies include a driving wheel bearing seat and a driving roller arranged in the driving wheel bearing seat. A reducer and a hydraulic motor for driving the driving roller are arranged on the top of the driving wheel bearing seat. The top bending assembly includes a passive roller assembly and a first hydraulic cylinder. The passive roller assembly is arranged at the ejection end of the first hydraulic cylinder to drive the passive roller assembly to reciprocate.

2. The section steel cold bending machine according to claim 1, characterized in that: The hydraulic cylinder is provided with a fixed seat on the workbench, and a connecting rod is provided between the fixed seat and the driving wheel bearing seats of the two positioning and translation assemblies.

3. The section steel cold bending machine according to claim 2, characterized in that: The connecting rod comprises a connecting rod and hinged joints threadedly connected to both ends of the connecting rod, and is hinged to the fixing seat and the driving wheel bearing seat respectively through the hinged joints.

4. The section steel cold bending machine according to claim 1, characterized in that: The section steel cold bending machine also includes a plurality of pressing guide assemblies.

5. The section steel cold bending machine according to claim 4, characterized in that: The compacting guide assembly includes a guide frame, an upper roller and a lower roller. Both ends of the upper roller are slidably connected to the guide frame through a slide. Second hydraulic cylinders that drive the slide to move up and down are provided at both ends of the top of the guide frame.

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