Bending device for core rod manufacturing

By designing a sliding limit component and a hydraulic cylinder in combination, the problems of breakage and splashing during mandrel bending were solved, thus achieving safe mandrel processing.

CN224101570UActive Publication Date: 2026-04-10CHANGZHOU JIACHANG MASCH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-16
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

During the bending process of the mandrel workpiece, it is easy to break and splatter due to unqualified materials or processes, which poses a safety hazard.

Method used

A bending device for mandrel manufacturing was designed. The device uses components such as a sliding column, slide block, slide rod, connecting block, rectangular seat and collar to assist in limiting the mandrel and perform bending with a hydraulic cylinder to avoid mandrel breakage and splashing.

Benefits of technology

This effectively prevents the mandrel from breaking and splashing during bending, thus improving processing safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a bending device for manufacturing mandrels, which comprises a workbench, a mounting rack is fixedly mounted on the workbench, a bending mechanism is arranged on the mounting rack, extension plates are fixedly mounted on two side walls of the workbench, the tops of the extension plates are slidably connected with movable columns, elastic mechanisms are arranged in the movable columns, and the elastic mechanisms are connected with the extension plates. A sliding seat is slidably connected in the moving column, a first sliding rod is fixedly mounted at the top of the sliding seat, a first connecting block is fixedly mounted at the top of the first sliding rod, a connecting rod is rotatably connected to the first connecting block, a second sliding rod is slidably connected in the connecting rod, and a second connecting block is fixedly mounted at the top of the second sliding rod; a rectangular seat is rotationally connected to the inner side wall of the second connecting block, and a lantern ring is fixedly mounted at the top of the rectangular seat. When the bending device is used for bending a core rod workpiece, auxiliary limiting can be carried out on the core rod workpiece, the problem that the core rod is splashed after being broken during bending is effectively solved, and the safety is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of bending machine, specifically, relate to a bending device for core rod manufacturing. BACKGROUND

[0002] Bending refers to the metal plate, pipe material under the pressure of upper die or lower die on the bending machine, first through elastic deformation, then into plastic deformation, in the beginning stage of plastic bending, the plate is free bending, with the pressure of upper die or lower die to the plate, the plate gradually closes to the inner surface of V-shaped groove in lower die, and the curvature radius and bending force arm also gradually become small, continue to press until the stroke ends, so that the upper and lower dies and the plate three points are in close contact, at this time, a V-shaped bending is completed, which is commonly known as bending.

[0003] When the core rod workpiece is bent, workers need to support, the core rod may be broken due to material addition, unqualified process, and after breaking, it will splash, which is very dangerous, therefore, we improve it and propose a bending device for core rod manufacturing. UTILITY MODEL CONTENT

[0004] In order to achieve the above utility model purposes, the utility model provides the following technical scheme:

[0005] The bending device for core rod manufacturing improves the above problems.

[0006] The utility model is specifically as follows:

[0007] Including workbench, the workbench is fixedly installed with mounting bracket, the mounting bracket is provided with bending mechanism, the workbench is fixedly installed with support column, the support column is provided with placing mechanism, both side walls of the workbench are fixedly installed with extension plate, the extension plate top is slidably connected with mobile column, the mobile column is provided with elastic mechanism, the mobile column is slidably connected with sliding seat, the sliding seat top is fixedly installed with first sliding rod, the first sliding rod top is fixedly installed with first connecting block, the first connecting block is rotatably connected with connecting rod, the connecting rod is slidably connected with second sliding rod, the second sliding rod top is fixedly installed with second connecting block, the second connecting block inner side wall is rotatably connected with rectangle seat, the rectangle seat top is fixedly installed with sleeve ring.

[0008] As the preferred technical scheme of the utility model, the extension plate is provided with a sliding groove, the mobile column is fixedly installed with a sliding block, and the sliding block is matched with the sliding groove.

[0009] As the preferred technical scheme of the utility model, the bending mechanism comprises a hydraulic cylinder fixedly installed on the mounting bracket, and the output end of the hydraulic cylinder is fixedly installed with a pressing head.

[0010] As the technical scheme of the utility model is optimized, the rectangular table top is fixedly installed with the placing seat.

[0011] As the technical scheme of the utility model is optimized, the elastic mechanism comprises a tension spring fixedly installed at the bottom of the inner cavity of the moving column.

[0012] As the technical scheme of the utility model is optimized, the top end of the tension spring is fixedly connected with the sliding seat.

[0013] As the technical scheme of the utility model is optimized, the workbench is provided with the switch.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] In the scheme of the utility model,

[0016] 1. through the setting of the sliding moving column, the sliding seat, the first sliding rod, the first connecting block, the connecting rod, the second sliding rod, the second connecting block, the rectangular seat and the sleeve ring, the core rod workpiece can be assisted and limited during the bending processing, the problem that the core rod will splash after being broken during the bending is effectively avoided, the safety is improved, and the problem that the core rod needs to be supported by workers in the prior art, the core rod may be broken due to the reasons of material addition and unqualified process, and the broken core rod will splash, which is very dangerous. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The utility model provides a structure schematic view of the bending device for core rod manufacturing;

[0018] Figure 2 The utility model provides a structure schematic view of the bending device for core rod manufacturing when bending the core rod;

[0019] Figure 3 The utility model provides a main structure schematic view of the bending device for core rod manufacturing;

[0020] Figure 4 The utility model provides a moving column internal structure schematic view of the bending device for core rod manufacturing.

[0021] Indicated in the drawing:

[0022] 1, workbench, 2, mounting frame, 3, support, 4, extension plate, 5, moving column, 6, sliding seat, 7, first sliding rod, 8, first connecting block, 9, connecting rod, 10, second sliding rod, 11, second connecting block, 12, rectangular seat, 13, sleeve ring, 14, sliding groove, 15, sliding block, 16, hydraulic cylinder, 17, lower pressing head, 18, rectangular table, 19, placing seat, 20, tension spring, 21, switch. DETAILED DESCRIPTION

[0023] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application.

[0024] Therefore, the following detailed description of the embodiments of the present application is not intended to limit the scope of the claimed present application, but only represents some embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0025] It should be noted that the embodiments in the present application and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0026] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0027] In the description of the present application, it should be noted that the terms "upper", "lower" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present application is usually placed, or the orientation or positional relationship commonly understood by those skilled in the art, such terms are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only used for differentiation, and cannot be understood as indicating or implying relative importance.

[0028] Embodiment:

[0029] As Figures 1-4As shown, the core rod manufacturing bending device is provided, which comprises a workbench 1, a mounting frame 2 fixedly installed on the workbench 1, a bending mechanism arranged on the mounting frame 2, a bending mechanism for bending work, a support column 3 fixedly installed on the workbench 1, a placing mechanism arranged on the support column 3, the core rod is placed on the placing mechanism, extension plates 4 fixedly installed on both side walls of the workbench 1, a moving column 5 slidingly connected to the top of the extension plate 4, the moving column 5 is slidably arranged, an elastic mechanism arranged in the moving column 5, the elastic mechanism pulls a sliding seat 6, the sliding seat 6 is slidingly connected in the moving column 5, a first sliding rod 7 fixedly installed on the top of the sliding seat 6, the first sliding rod 7 drives the sliding seat 6, a first connecting block 8 fixedly installed on the top of the first sliding rod 7, the first connecting block 8 drives the first sliding rod 7, a connecting rod 9 rotatably connected to the first connecting block 8, the connecting rod 9 drives the first connecting block 8 to move upward, a second sliding rod 10 slidingly connected in the connecting rod 9, a second connecting block 11 fixedly installed on the top of the second sliding rod 10, the second connecting block 11 drives the second sliding rod 10 to slide in the connecting rod 9, the second sliding rod 10 also drives the connecting rod 9, a rectangular seat 12 rotatably connected to the inner side wall of the second connecting block 11, the rectangular seat 12 drives the second connecting block 11, a sleeve ring 13 fixedly installed on the top of the rectangular seat 12, when the core rod is bent, the two ends of the core rod are raised upward, the sleeve ring 13 is driven to move upward and rotate.

[0030] A sliding groove 14 is formed on the extension plate 4, a sliding block 15 is fixedly installed on the bottom of the moving column 5, the moving column 5 drives the sliding block 15 to slide along the sliding groove 14, the moving column 5 is slidable, so that the bent core rod is conveniently taken down, and the sliding block 15 is matched with the sliding groove 14.

[0031] The bending mechanism comprises a hydraulic cylinder 16 fixedly installed on the mounting frame 2, a pressing head 17 fixedly installed on the output end of the hydraulic cylinder 16, the hydraulic cylinder 16 is started, and the output end of the hydraulic cylinder 16 drives the pressing head 17 to move downward for bending.

[0032] The placing mechanism comprises a rectangular table 18 fixedly installed on the support column 3, and a placing seat 19 fixedly installed on the top of the rectangular table 18, the core rod is placed on the placing seat 19.

[0033] The elastic mechanism comprises a tension spring 20 fixedly installed in the inner cavity of the moving column 5, the top end of the tension spring 20 is fixedly connected with the sliding seat 6, and the tension spring 20 pulls the sliding seat 6.

[0034] A switch 21 is arranged on the workbench 1, and the switch 21 is used for controlling the hydraulic cylinder 16.

[0035] Specifically, the bending device for manufacturing the core rod is used as follows: the core rod is placed on the placing seat 19 and inserted into the sleeve ring 13, the hydraulic cylinder 16 is started, the output end of the hydraulic cylinder 16 drives the lower pressing head 17 to move downward for bending, when the lower pressing head 17 contacts the core rod, the core rod is continuously pressed downward, the two ends of the core rod are raised upward, the sleeve ring 13 is driven to move upward and rotate, the sleeve ring 13 drives the rectangular seat 12, the rectangular seat 12 drives the second connecting block 11, the second connecting block 11 drives the second sliding rod 10 to slide in the connecting rod 9, the second sliding rod 10 also drives the connecting rod 9, the connecting rod 9 drives the first connecting block 8 to move upward (at the same time, the connecting rod 9 rotates), the first connecting block 8 drives the first sliding rod 7 to move upward, the first sliding rod 7 drives the sliding seat 6 to slide in the moving column 5, with the continuous raising of the two ends of the core rod, the rotating range of the connecting rod 9 also increases; in this way, when the core rod workpiece is bent, the auxiliary limiting can be performed, the problem that the core rod is splashed after being broken during bending can be effectively avoided, and the safety is improved.

[0036] All the technical features in the embodiment can be freely combined according to actual needs.

[0037] The above embodiment is a preferred implementation scheme of the utility model, in addition, the utility model can be implemented in other ways, and any obvious replacement without departing from the technical scheme concept is within the protection scope of the utility model.

Claims

1. A bending apparatus for mandrel manufacturing, comprising a worktable (1), characterized in that, A mounting frame (2) is fixedly installed on the workbench (1). A bending mechanism is provided on the mounting frame (2). A support column (3) is fixedly installed on the workbench (1). A placement mechanism is provided on the support column (3). Extension plates (4) are fixedly installed on both sides of the workbench (1). A movable column (5) is slidably connected to the top of the extension plate (4). An elastic mechanism is provided inside the movable column (5). A slide block (6) is slidably connected inside the movable column (5). A first slide rod (7) is fixedly installed on the top of the slide block (6). A first connecting block (8) is fixedly installed on the top of the first slide rod (7). A connecting rod (9) is rotatably connected to the first connecting block (8). A second slide rod (10) is slidably connected inside the connecting rod (9). A second connecting block (11) is fixedly installed on the top of the second slide rod (10). A rectangular seat (12) is rotatably connected to the inner side wall of the second connecting block (11). A collar (13) is fixedly installed on the top of the rectangular seat (12).

2. The bending device for mandrel manufacturing according to claim 1, characterized in that, The extension plate (4) is provided with a sliding groove (14), and a slider (15) is fixedly installed at the bottom of the movable column (5), and the slider (15) matches the sliding groove (14).

3. The bending device for mandrel manufacturing according to claim 1, characterized in that, The bending mechanism includes a hydraulic cylinder (16) fixedly mounted on the mounting frame (2), and a downward pressure head (17) is fixedly mounted on the output end of the hydraulic cylinder (16).

4. The bending device for mandrel manufacturing according to claim 1, characterized in that, The placement mechanism includes a rectangular platform (18) fixedly installed on the support column (3), and a placement seat (19) is fixedly installed on the top of the rectangular platform (18).

5. A bending device for mandrel manufacturing according to claim 1, characterized in that, The elastic mechanism includes a tension spring (20) fixedly installed at the bottom of the inner cavity of the movable column (5).

6. A bending device for mandrel manufacturing according to claim 5, characterized in that, The top of the tension spring (20) is fixedly connected to the slide (6).

7. A bending device for mandrel manufacturing according to claim 1, characterized in that, A switch (21) is provided on the workbench (1).