Small part bending device

By designing a method that drives the rack and pinion assembly with a drive cylinder to rotate the rotating arm synchronously, the problem of existing devices being unable to synchronously drive both ends of the reinforcing bar is solved, achieving high-precision bending of steel parts and adaptability to multiple bending radii, thus improving the quality of reinforcing bar processing.

CN223543972UActive Publication Date: 2025-11-14JINGZHOU XIANDE DOOR IND CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202422041921.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-21
Publication Date
2025-11-14
Estimated Expiration
2034-08-21

AI Technical Summary

Technical Problem

Existing rebar bending devices cannot achieve synchronous driving at both ends of the rebar, resulting in reduced bending accuracy and inapplicability to different bending radii.

Method used

A small component bending device was designed. A drive cylinder drives a rack assembly to rotate the first and second positioning rods. The steel parts are bent synchronously by the rotating arms on the first and second positioning rods, and the bending angle is controlled by adjusting the movable rod.

Benefits of technology

It enables synchronous bending of steel parts, improves bending accuracy, and is applicable to the processing of steel parts with different bending radii, thereby improving the bending quality of reinforcing bars.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223543972U_ABST
    Figure CN223543972U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of steel part bending, and discloses a small part bending device which comprises a working table, a driving part arranged in the working table and a bending part arranged on the working table, the bending part comprises a first positioning rod, a second positioning rod and a movable rod, a guide block is arranged on the working table, and the guide block is arranged on the working table. The second positioning rod is movably arranged on the guide block, the first positioning rod is rotationally connected to the workbench, the second positioning rod is movably arranged on the first positioning rod, and the driving piece drives the first positioning rod and the second positioning rod to rotate. The device has the effects of synchronous bending, high bending precision and suitability for different bending radiuses.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of steel bending technology, and in particular to a small component bending device. Background Technology

[0002] Reinforcing steel plays a vital role in building construction, serving as a primary reinforcing material for concrete. The processing and bending of reinforcing steel are fundamental aspects of its use, and their technical specifications and operating procedures are crucial for ensuring the structural strength and construction quality of buildings.

[0003] Chinese utility model patent CN205763517U discloses a rebar bending machine, including a frame, a drive motor, a main wheel, and two guide wheels. The drive motor drives the main wheel to rotate. A bracket is mounted on the frame, and two sets of guide wheel position adjustment devices are set on the bracket corresponding to the two guide wheels. Each set of guide wheel position adjustment devices includes an adjusting slider and an adjusting screw. The central shafts of the two guide wheels are respectively mounted on the corresponding adjusting sliders. Two sliding grooves are set in the bracket corresponding to the two adjusting sliders. The adjusting sliders are located in their respective sliding grooves and can slide along the sliding grooves. Both adjusting screws are threadedly connected to the side plates of the bracket, and their ends pass through the side plates and are fixedly connected to the adjusting sliders. A rebar bending track is formed between the two guide wheels and the main wheel. This utility model can realize the rapid forming of curved rebars, greatly saving manpower and improving the bending quality of rebars. It is also suitable for processing curved rebars with different radii of curvature. However, this utility model cannot achieve synchronous driving bending at both ends of the rebar, which will lead to a decrease in the bending accuracy of the rebar. Utility Model Content

[0004] The purpose of this invention is to provide a small component bending device that features synchronous bending, high bending accuracy, and applicability to different bending radii.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a small component bending device, including a worktable, a driving component disposed inside the worktable, and a bending component disposed on the worktable. The bending component includes a first positioning rod, a second positioning rod, and a movable rod. A guide block is disposed on the worktable. The second positioning rod is movably disposed on the guide block. The first positioning rod is rotatably connected to the worktable. The second positioning rod is movably disposed on the first positioning rod. The driving component drives the first positioning rod and the second positioning rod to rotate.

[0006] A further feature of this invention is that there are two second positioning rods, including a second positioning rod one and a second positioning rod two.

[0007] A further feature of this invention is that a first rotating arm is radially fixedly connected to the first positioning rod, and a second positioning rod is fixedly connected to the first rotating arm.

[0008] A further feature of this invention is that a second rotating cylinder is movably sleeved on the outside of the first positioning rod, a second rotating arm is radially fixedly connected to the second rotating cylinder, and the second positioning rod is vertically fixedly connected to the end of the second rotating arm.

[0009] A further feature of this invention is that the driving component includes a driving cylinder, a driving frame, and a rack and pinion drive assembly. The driving cylinder is disposed on the worktable, the driving frame is horizontally slidably connected to the worktable, and the rack and pinion drive assembly drives the first positioning rod and the second rotating cylinder to rotate.

[0010] A further feature of this invention is that the rack and pinion drive assembly includes a first rack and a second rack disposed opposite to each other inside the drive frame, wherein the height of the first rack is lower than the height of the second rack.

[0011] A further feature of this invention is that a second gear is coaxially fixedly connected to the second rotating cylinder, and the second gear meshes with the second rack.

[0012] A further feature of this invention is that a second gear is coaxially fixedly connected to the second rotating cylinder, and the second gear meshes with the second rack.

[0013] A further feature of this invention is that the guide block is provided with an arc-shaped groove, the bottom of the arc-shaped groove is provided with a plurality of threaded holes, and the threaded rod is threadedly connected to the threaded holes.

[0014] A further feature of this invention is that two threaded rods are provided, and the two threaded rods are symmetrically arranged on both sides of the arc-shaped groove.

[0015] The beneficial effects of this utility model are as follows: This utility model can achieve the bending effect of small steel parts. The middle part of the steel part is fitted onto the first positioning rod, and the driving cylinder is driven to control the movement of the driving frame. The first rack drives the first gear to rotate, the first gear drives the first positioning rod to rotate, and the first positioning rod drives the first rotating arm to rotate. At the same time, the second rack drives the second gear to rotate, the second gear drives the second rotating cylinder to rotate, and the second rotating cylinder drives the second rotating arm to rotate. At this time, the first and second positioning rods will move closer to each other at the same time, and then the steel part is bent. In addition, this utility model can also control the bending angle of the steel part by adjusting the position of the movable rod. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the structure of this utility model.

[0018] Figure 2 This is a schematic diagram of the internal structure of this utility model.

[0019] Figure 3 This is a schematic diagram of the drive component structure of this utility model.

[0020] Figure 4 This is a schematic diagram of the bending component structure of this utility model.

[0021] Figure 5 This is a schematic diagram of the exploded structure of the bending component of this utility model.

[0022] Figure 6 This is a schematic diagram of the guide block structure of this utility model.

[0023] In the diagram, 1 is the worktable; 2 is the driving component; 21 is the driving cylinder; 22 is the driving frame; 221 is the first rack; 222 is the second rack; 3 is the bent component; 31 is the first positioning rod; 311 is the first rotating arm; 312 is the first gear; 321 is the first second positioning rod; 322 is the second second positioning rod; 33 is the movable rod; 34 is the second rotating cylinder; 341 is the second rotating arm; 342 is the second gear; 4 is the guide block; 41 is the arc groove; 411 is the threaded hole. Detailed Implementation

[0024] The technical solution of this utility model will now be clearly and completely described with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0025] Examples, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, a small component bending device includes a worktable 1, a driving component 2 disposed inside the worktable 1, and a bending component 3 disposed on the worktable 1. The bending component 3 includes a first positioning rod 31, a second positioning rod, and a movable rod 33. A guide block 4 is disposed on the worktable 1, and the second positioning rod is movably disposed on the guide block 4. The first positioning rod 31 is rotatably connected to the worktable 1, and the second positioning rod is movably disposed on the first positioning rod 31. The driving component 2 drives the first positioning rod 31 and the second positioning rod to rotate.

[0026] like Figure 4 , Figure 5 As shown, the present invention is further configured as follows: there are two second positioning rods, including a second positioning rod 321 and a second positioning rod 322.

[0027] like Figure 5 As shown, a further configuration of this utility model is as follows: a first rotating arm 311 is radially fixedly connected to the first positioning rod 31, and a second positioning rod 321 is fixedly connected to the first rotating arm 311.

[0028] like Figure 5 As shown, the present invention is further configured such that: a second rotating cylinder 34 is movably sleeved on the outside of the first positioning rod 31, a second rotating arm 341 is radially fixedly connected to the second rotating cylinder 34, and the second positioning rod 322 is vertically fixedly connected to the end of the second rotating arm 341.

[0029] like Figure 3 As shown, the present invention is further configured as follows: the driving component 2 includes a driving cylinder 21, a driving frame 22, and a rack and pinion drive assembly. The driving cylinder 21 is disposed on the worktable 1, the driving frame 22 is horizontally slidably connected to the worktable 1, and the rack and pinion drive assembly drives the first positioning rod 31 and the second rotating cylinder 34 to rotate.

[0030] like Figure 3As shown, a further configuration of this utility model is: the rack drive assembly includes a first rack 221 and a second rack 222 disposed opposite to each other inside the drive frame 22, wherein the height of the first rack 221 is lower than the height of the second rack 222.

[0031] like Figure 5 As shown, a further feature of this utility model is that a second gear 342 is coaxially fixedly connected to the second rotating cylinder 34, and the second gear 342 meshes with the second rack 222.

[0032] like Figure 5 As shown, a further feature of this utility model is that a second gear 342 is coaxially fixedly connected to the second rotating cylinder 34, and the second gear 342 meshes with the second rack 222.

[0033] like Figure 6 As shown, a further feature of this utility model is that: an arc-shaped groove 41 is provided on the guide block 4, and a plurality of threaded holes 411 are provided at the bottom of the arc-shaped groove 41, and the threaded rod is threadedly connected in the threaded holes 411.

[0034] like Figure 6 As shown, a further feature of this invention is that two threaded rods are provided, and the two threaded rods are symmetrically arranged on both sides of the arc-shaped groove 41.

[0035] This invention enables the bending of small steel parts. The middle portion of the steel part is fitted onto the first positioning rod 31. The driving cylinder 21 is activated, controlling the movement of the driving frame 22. The first rack 221 drives the first gear 312 to rotate, which in turn drives the first positioning rod 31 to rotate. The first positioning rod 31 then drives the first rotating arm 311 to rotate. Simultaneously, the second rack 222 drives the second gear 342 to rotate, which in turn drives the second rotating cylinder 34 to rotate. The second rotating cylinder 34 then drives the second rotating arm 341 to rotate. At this point, the first and second positioning rods 321 and 322 move closer together, thus bending the steel part. Furthermore, this invention allows for control of the bending angle of the steel part by adjusting the position of the movable rod 33.

Claims

1. A small component bending device, characterized in that: The device includes a worktable (1), a drive unit (2) disposed inside the worktable (1), and a bending member (3) disposed on the worktable (1). The bending member (3) includes a first positioning rod (31), a second positioning rod, and a movable rod (33). A guide block (4) is disposed on the worktable (1). The movable rod (33) is movably disposed on the guide block (4). The first positioning rod (31) is rotatably connected to the worktable (1). The second positioning rod is movably disposed on the first positioning rod (31). The drive unit (2) drives the first positioning rod (31) and the second positioning rod to rotate.

2. The small component bending device according to claim 1, characterized in that: The second positioning rod is configured as two, including second positioning rod one (321) and second positioning rod two (322).

3. A small component bending device according to claim 2, characterized in that: A first rotating arm (311) is radially fixedly connected to the first positioning rod (31), and a second positioning rod (321) is fixedly connected to the first rotating arm (311).

4. A small component bending device according to claim 2, characterized in that: The first positioning rod (31) is movably sleeved with a second rotating cylinder (34), and a second rotating arm (341) is radially fixedly connected to the second rotating cylinder (34). The second positioning rod (322) is vertically fixedly connected to the end of the second rotating arm (341).

5. A small component bending device according to claim 4, characterized in that: The driving component (2) includes a driving cylinder (21), a driving frame (22), and a rack and pinion drive assembly. The driving cylinder (21) is mounted on the worktable (1), the driving frame (22) is horizontally slidably connected to the worktable (1), and the rack and pinion drive assembly drives the first positioning rod (31) and the second rotating cylinder (34) to rotate.

6. A small component bending device according to claim 5, characterized in that: The rack drive assembly includes a first rack (221) and a second rack (222) disposed opposite to each other inside the drive frame (22), wherein the height of the first rack (221) is lower than the height of the second rack (222).

7. A small component bending device according to claim 6, characterized in that: A first gear (312) is radially fixedly connected to the first positioning rod (31), and the first gear (312) meshes with the first rack (221).

8. A small component bending device according to claim 5, characterized in that: A second gear (342) is coaxially fixedly connected to the second rotating cylinder (34), and the second gear (342) meshes with the second rack (222).

9. A small component bending device according to claim 1, characterized in that: The guide block (4) is provided with an arc-shaped groove (41), and the bottom of the arc-shaped groove (41) is provided with a plurality of threaded holes (411), and the threaded rod is threadedly connected in the threaded holes (411).

10. A small component bending device according to claim 9, characterized in that: Two threaded rods are provided, and the two threaded rods are symmetrically arranged on both sides of the arc-shaped groove (41).

Citation Information

Patent Citations

  • Anglebender

    CN205763517U