A bending machine support structure for steel component production

Abstract

This utility model relates to a lifting structure for a bending machine used in steel component production. It includes a support frame, a lower die, and an upper die mounted on the bending machine. An elastic component is mounted on the support frame, a lifting bracket is mounted on the elastic component, and a pressure rod component is mounted on the support frame. This lifting structure for steel component production utilizes the downward movement of the upper die to control the rotation of the lifting bracket, ensuring that the rubber roller always adheres to the bottom of the thin steel plate. The lifting direction adapts to the tilting posture of the steel plate during bending. Furthermore, the spring in the elastic component transmits elastic force through a guide rod, and the rubber roller applies a continuous lifting force to the bottom of the steel plate, counteracting the downward trend and reducing deformation. During bending, the steel plate slides along the surface of the rubber roller, and the main shaft drives the rubber roller to rotate synchronously, converting sliding friction into rolling friction, reducing resistance, and preventing scratches on the steel plate surface or additional stress caused by friction. Additionally, by adjusting the position of the support platform, it can adapt to lifting actions on thin steel plates of different thicknesses.

Description

Technical Field

[0001] This utility model relates to the field of steel component production technology, specifically to a bending machine support structure used in steel component production. Background Technology

[0002] Steel components refer to structural parts used in construction, bridges, machinery, energy and other fields, which are made from steel as raw material and processed through cutting, welding, forming and painting. The production of steel components includes processes such as blanking and cutting, forming, welding and painting. Among them, forming is to give the component shape. It is the process of processing the cut steel into the designed shape through rolling, bending and assembly. Bending is a key process that uses a bending machine to cause plastic deformation of the material to form a specific angle, fold line or curved surface structure. Its principle is to apply an external force to the material through the die on the bending machine that exceeds its yield strength but is lower than its tensile strength, so that the material will be permanently deformed at the bending line.

[0003] Chinese Patent Publication No. CN110666039A discloses a steel plate bending and stiffening mold, which uses the hydraulic system on the bending machine to control the upper die to press the lower die, and uses the cooperation of the upper and lower dies to bend the thin steel plate.

[0004] In practical applications, when bending long steel sheets, the two ends of the bent steel sheet will curl upwards after being stressed. However, the longer end of the steel sheet will sag downwards due to its own weight, causing deformation and stress in the steel sheet. Furthermore, the stress release after bending can cause deviations in the bending angle rebound, resulting in a decrease in the quality of the bent steel sheet. Therefore, a lifting structure for bending machines used in steel component production is proposed to solve the above problems. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a lifting structure for a bending machine used in steel component production. This structure effectively lifts the raised ends of thin steel plates, solving the problem that in practical applications, when bending longer thin steel plates, the ends tend to curl upwards after being stressed. During this curling process, the steel plate's edges sag due to its own weight, leading to deformation and stress. Furthermore, the stress release after bending causes deviations in the bending angle, resulting in reduced quality of the bent steel plate.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a bending machine support structure for steel component production, comprising a support frame, a lower die, and an upper die mounted on the bending machine, wherein an elastic component is mounted on the support frame, a support bracket for supporting thin steel plates is mounted on the elastic component, and a pressure rod component that can be driven by the upper die is mounted on the support frame.

[0007] The support frame includes an outer frame, on which two symmetrically distributed pins are fixedly installed, and the pins are rotatably connected to the lower mold.

[0008] The elastic component includes two pads, with the top pad fixedly connected to the outer frame, and a spring fixedly connected between the two pads;

[0009] The lifting bracket includes a mounting frame. Two guide rods are fixedly mounted on the bottom of the mounting frame and are slidably connected to the top pad. One end of the guide rod is fixedly connected to the bottom pad. A spring is sleeved on the outer surface of the guide rod. A main shaft is rotatably mounted on the mounting frame. A rubber roller for contacting the thin steel plate is fixedly mounted on the main shaft.

[0010] Furthermore, the pressure rod component includes a connecting rod, which is fixedly connected to a pin on one side. A support for being pressed is slidably mounted on the connecting rod, and a bolt for fixing the support is threaded onto the connecting rod.

[0011] Furthermore, a through groove is provided on the connecting rod, the end of the support extends through and into the interior of the through groove, and one end of the bolt extends through the through groove and abuts against the support.

[0012] Furthermore, the lower mold is adapted to the upper mold, and both sides of the upper mold are provided with protrusions, with one protrusion located directly above the support platform, and the top surface of the support platform is horizontally coplanar with the top surface of the lower mold.

[0013] Furthermore, the lower mold has connecting holes on both sides, and one end of the pin passes through and extends into the interior of the connecting hole, with the pin rotatably connected to the connecting hole.

[0014] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0015] This bending machine lifting structure for steel component production, through the setting of pressure rod components, support frame and lifting bracket, realizes the use of the downward force of the upper die to control the rotation of the lifting bracket, ensuring that the rubber roller always fits in contact with the bottom of the thin steel plate, and the lifting direction adapts to the tilt posture of the steel plate during bending. Moreover, the spring of the elastic component transmits elastic force through the guide rod, and the rubber roller applies a continuous lifting force to the bottom of the steel plate, counteracting the downward trend and reducing deformation. When the steel plate is bent, it slides along the surface of the rubber roller, and the main shaft drives the rubber roller to rotate synchronously, converting sliding friction into rolling friction, reducing resistance, avoiding scratches on the surface of the steel plate or additional stress caused by friction, and by adjusting the position of the support platform, it can adapt to the lifting action of thin steel plates of different thicknesses. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is an enlarged view of the structural support structure of this utility model;

[0018] Figure 3 This is an enlarged view of the structural support bracket and elastic component of this utility model;

[0019] Figure 4 This is an exploded view of the structural pressure bar component of this utility model.

[0020] In the diagram: 1. Support frame; 11. Outer frame; 12. Pin; 2. Elastic component; 21. Gasket; 22. Spring; 3. Lifting bracket; 31. Mounting frame; 32. Guide rod; 33. Main shaft; 34. Rubber roller; 4. Pressure rod component; 41. Connecting rod; 42. Support platform; 43. Bolt; 5. Lower mold; 6. Upper mold; 61. Protrusion. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example 1: Please refer to Figure 1-4 The bending machine support structure for steel component production in this embodiment includes a support frame 1, a lower die 5 and an upper die 6 installed on the bending machine. An elastic component 2 is installed on the support frame 1, and a support bracket 3 for supporting thin steel plates is installed on the elastic component 2. A pressure rod component 4 that can be driven by the upper die 6 is installed on the support frame 1.

[0023] Using the above technical solution, the downward force of the upper mold 6 is used to squeeze the pressure rod component 4, thereby causing the pressure rod component 4 to drive the lifting bracket 3 to rotate through the support frame 1, thus realizing the lifting action of the steel sheet by the lifting bracket 3.

[0024] Example 2: Please refer to Figure 1-4 Based on Embodiment 1, the support frame 1 includes an outer frame 11, on which two symmetrically distributed pins 12 are fixedly installed, and the pins 12 are rotatably connected to the lower mold 5.

[0025] The elastic component 2 includes two pads 21, and the top pad 21 is fixedly connected to the outer frame 11. A spring 22 is fixedly connected between the two pads 21.

[0026] The support bracket 3 includes a mounting frame 31. Two guide rods 32 are fixedly mounted at the bottom of the mounting frame 31 and are slidably connected to the top pad 21. One end of the guide rod 32 is fixedly connected to the bottom pad 21. A spring 22 is sleeved on the outer surface of the guide rod 32. A main shaft 33 is rotatably mounted on the mounting frame 31. A rubber roller 34 for contacting the thin steel plate is fixedly mounted on the main shaft 33. When the steel plate is bent, it slides along the surface of the rubber roller 34. The main shaft 33 drives the rubber roller 34 to rotate synchronously, converting sliding friction into rolling friction, reducing resistance, and avoiding scratches on the surface of the steel plate or additional stress caused by friction.

[0027] The lower mold 5 has connecting holes on both sides, and one end of the pin 12 passes through and extends into the interior of the connecting hole. The pin 12 is rotatably connected to the connecting hole, so as to realize the rotatable connection between the pin 12 and the connecting hole, which facilitates the control of the lifting bracket 3 and the support frame 1 to rotate around the pin 12 mounting position.

[0028] Using the above technical solution, when the bending machine is started, the upper die 6 moves downward and squeezes the steel sheet. At this time, the protrusions 61 on both sides of the upper die 6 contact the pressure rod component, thereby driving the outer frame 11 of the support frame 1 to rotate synchronously. The lifting bracket 3 changes with the angle of the outer frame 11, and the rubber roller 34 always fits in contact with the bottom of the steel sheet. The lifting direction adapts to the tilting posture of the steel sheet when bending. The spring 22 of the elastic component 2 transmits the elastic force through the guide rod 32. The rubber roller 34 applies a continuous lifting force to the bottom of the steel sheet. When the steel sheet is bent, it slides along the surface of the rubber roller 34. The main shaft 33 drives the rubber roller 34 to rotate synchronously, converting sliding friction into rolling friction and reducing resistance.

[0029] Example 3: Please refer to Figure 1-4 Based on Embodiment 2, the pressure rod component 4 includes a connecting rod 41, which is fixedly connected to a pin 12 on one side. A support 42 for being pressed is slidably installed on the connecting rod 41, and a bolt 43 for fixing the support 42 is threaded on the connecting rod 41.

[0030] The connecting rod 41 has a through groove, the end of the support 42 extends through and into the inside of the through groove, and one end of the bolt 43 extends through the through groove and abuts against the support 42. By tightening and loosening the bolt 43, the support 42 can be positioned and loosened, thus facilitating the adjustment of the height of the support 42.

[0031] In addition, the lower mold 5 is adapted to the upper mold 6. Both sides of the upper mold 6 are provided with protrusions 61, and one of the protrusions 61 is located directly above the support platform 42. The top surface of the support platform 42 is horizontal and coplanar with the top surface of the lower mold 5. Loosen the bolts 43 and adjust the height of the support platform 42 so that the top surface of the support platform 42 is coplanar with the top of the steel sheet. Then tighten the fixing bolts 43 and fix the support platform 42, thereby adapting to steel sheets of different thicknesses.

[0032] Using the above technical solution, the bending machine starts, the upper die 6 moves downward and squeezes the steel sheet. At this time, the protrusions 61 on both sides of the upper die 6 contact the support platform 42 of the pressure rod component and apply pressure. After the support platform 42 is pressed, it drives the connecting rod 41. The connecting rod 41 is fixed on the pin 12. Therefore, the pin 12 rotates around the connecting hole of the lower die 5, thereby driving the outer frame 11 of the support frame 1 to rotate synchronously. The bolts 43 are loosened and the height of the support platform 42 is adjusted so that the top surface of the support platform 42 is coplanar with the top of the steel sheet. Then the fixing bolts 43 are tightened and the support platform 42 is fixed, thereby adapting to steel sheets of different thicknesses.

[0033] The working principle of the above embodiments is as follows:

[0034] In use, the steel sheet is placed on the lower die 5, the area to be bent is aligned with the bending line, and both ends of the steel sheet rest on the rubber rollers 34 of the lifting bracket 3. The spring 22 of the elastic component 2 is in a natural extension and contraction state, and the rubber roller 34 contacts the bottom of the steel sheet under the support of the spring 22, providing initial lifting force.

[0035] Loosen bolt 43 and adjust the height of support 42 so that the top surface of support 42 is coplanar with the top of the steel sheet. Then tighten the fixing bolt 43 and fix support 42.

[0036] When the bending machine is started, the upper die 6 moves downward and squeezes the steel sheet. At this time, the protrusions 61 on both sides of the upper die 6 contact the support platform 42 of the pressure rod component and apply pressure. After the support platform 42 is pressed, it drives the connecting rod 41. The connecting rod 41 is fixed on the pin 12. Therefore, the pin 12 rotates around the connecting hole of the lower die 5, thereby driving the outer frame 11 of the support frame 1 to rotate synchronously.

[0037] When the support frame 1 rotates, the lifting bracket 3 changes with the angle of the outer frame 11, and the rubber roller 34 always fits the bottom of the thin steel plate, and the lifting direction adapts to the tilting posture of the steel plate when it is bent.

[0038] When the steel sheet is bent under the pressure of the upper and lower dies 5, the two ends tend to curl upward due to stress, and the edges are prone to droop due to their own weight. At this time, the spring 22 of the elastic component 2 transmits the elastic force through the guide rod 32, and the rubber roller 34 applies a continuous lifting force to the bottom of the steel sheet to counteract the downward trend and reduce deformation.

[0039] When the steel plate is bent, it slides along the surface of the rubber roller 34. The main shaft 33 drives the rubber roller 34 to rotate synchronously, which converts the sliding friction into rolling friction, reduces resistance, avoids scratches on the surface of the steel plate or additional stress caused by friction, and the lifting force is evenly applied to the bottom of the steel plate through the rubber roller 34, reducing local stress concentration and reducing the angle rebound deviation caused by stress release.

[0040] After the upper mold 6 completes the bending, it rises upward, the pressure of the protrusion 61 on the support platform 42 disappears, the spring 22 of the elastic component 2 returns to its natural state, driving the support bracket 3 to reset, and the support frame 1 rotates back to the initial angle under the action of gravity, waiting for the next bending.

[0041] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0042] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A bending machine lifting structure for the production of steel components, comprising a support frame (1) arranged on a bending machine, a lower die (5) and an upper die (6), characterized in that: The support frame (1) is provided with an elastic component (2), the elastic component (2) is provided with a support bracket (3) for supporting the steel plate, and the support frame (1) is provided with a pressure rod component (4) that can be driven by the upper mold (6). The support frame (1) includes an outer frame (11), on which two symmetrically distributed pins (12) are fixedly installed, and the pins (12) are rotatably connected to the lower mold (5); The elastic component (2) includes two pads (21), and the top pad (21) is fixedly connected to the outer frame (11), and a spring (22) is fixedly connected between the two pads (21). The lifting bracket (3) includes a mounting frame (31). Two guide rods (32) are fixedly mounted on the bottom of the mounting frame (31) and are slidably connected to the top pad (21). One end of the guide rod (32) is fixedly connected to the bottom pad (21). A spring (22) is sleeved on the outer surface of the guide rod (32). A main shaft (33) is rotatably mounted on the mounting frame (31). A rubber roller (34) for contacting the steel sheet is fixedly mounted on the main shaft (33).

2. A bending machine lifting structure for steel member production according to claim 1, characterized in that: The pressure rod component (4) includes a connecting rod (41), which is fixedly connected to a pin (12) on one side. A support (42) for being pressed is slidably installed on the connecting rod (41), and a bolt (43) for fixing the support (42) is threaded on the connecting rod (41).

3. The bending machine support structure for steel component production according to claim 2, characterized in that: The connecting rod (41) has a through groove, the end of the support (42) extends through and into the inside of the through groove, and one end of the bolt (43) extends through the through groove and abuts against the support (42).

4. A bending machine lifting structure for steel member production according to claim 2, characterized in that: The lower mold (5) is adapted to the upper mold (6). Both sides of the upper mold (6) are provided with protrusions (61), and one of the protrusions (61) is located directly above the support platform (42). The top surface of the support platform (42) is horizontally coplanar with the top surface of the lower mold (5).

5. A bending machine lifting structure for steel member production according to claim 1 characterized in that: The lower mold (5) has connecting holes on both sides, and one end of the pin (12) passes through and extends into the interior of the connecting hole, and the pin (12) is rotatably connected to the connecting hole.

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