Electric power fitting bending device

By introducing a slider and an elastic demolding mechanism into the bending device of power fittings, the problem of workpieces being difficult to remove quickly is solved, and convenient demolding operation is achieved.

CN223875836UActive Publication Date: 2026-02-06HEBEI TONGCHUANG ELECTRIC POWER HARDWARE CO LTD
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Patent Information

Application Number
CN202520409539.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-02-06
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

Existing power fitting bending devices make it difficult to quickly and easily remove the workpiece from the fixed mold after bending, resulting in laborious operation.

Method used

The power fitting bending device includes a punch assembly and a die assembly. The die assembly consists of a fixed die mechanism and a slider. The sliders can move away from or close to each other. In conjunction with the elastic demolding mechanism, the sliders are driven to separate by a tension spring to achieve demolding.

Benefits of technology

It enables quick and convenient demolding of workpieces, reducing operational difficulty and the amount of force required.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an electric power fitting bending device, and relates to the technical field of electric power fitting production, the electric power fitting bending device comprises a table, one end of the table is provided with a male die assembly used for pushing a round rod type stud or a straight rod type stud, and the other end of the table is provided with a female die assembly matched with the male die assembly. The female die assembly comprises a fixed die mechanism and two symmetrically-arranged sliding blocks, the sliding blocks are in sliding connection with the fixed die mechanism, the two sliding blocks can move away from each other or close to each other, bending grooves are formed in the opposite faces of the two sliding blocks respectively, and when the two sliding blocks are attached to each other, the two bending grooves form a U-shaped groove; the mold further comprises an elastic demolding mechanism, and the elastic demolding mechanism is in sliding clamping connection with the two sliding blocks at the same time and can drive the two sliding blocks to be away from each other. The tool has the advantage that the workpiece can be taken down conveniently and quickly.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric power fittings production, especially relates to a electric power fitting bending device. BACKGROUND

[0002] Electric power fittings are metal accessories that connect and combine various devices in the electric power system, and play the role of transferring mechanical load, electrical load and certain protection.

[0003] Electric power fittings are various, among which the U-shaped bolt is a kind of electric power fitting, which is a U-shaped rod structure, and both ends are provided with threads that can be combined with nuts or caps. The U-shaped bolt is widely used in the electric power industry, such as U-shaped screw type suspension clamp (CGU), U-shaped hanging plate suspension clamp (CGU-A), inverted bolt type strain clamp (NLD), aluminum alloy bolt type strain clamp (NLL) and other fittings.

[0004] The main body of the U-shaped bolt is bent, Figure 1 It is a bending machine, which comprises a table 100, a telescopic rod 700 and a concave die 1000 are fixed on the table 100, a protrusion 800 is fixed on the telescopic end of the telescopic rod 700, two fixed rods 900 are arranged between the protrusion 800 and the concave die 1000 and are fixedly connected with the table 100, in use, a round rod or straight rod type double-headed bolt 200 is placed on the table 100 and contacts with the fixed rod 900, the telescopic end of the telescopic rod 700 is elongated and drives the protrusion 800 to move towards the concave die 1000, so as to bend the round rod or straight rod type double-headed bolt 200 into a U-shaped bolt. According to different processing steps, the manufacturing process of the U-shaped bolt can be divided into two ways: one is to bend the round rod first and then sleeve threads at both ends, so as to manufacture the U-shaped bolt; the other is to directly bend the straight rod type double-headed bolt. However, no matter which way, since there is a certain stress on the rod body after bending, the rod body is clamped between the two fixed rods 900 and the concave die 1000, which makes it more troublesome and laborious to take it out.

[0005] Therefore, it is necessary to develop an electric power fitting bending device for the above-mentioned defects. INVENTION CONTENTS

[0006] The utility model aims at providing an electric power fitting bending device, which has the advantages of convenient and fast workpiece taking-off.

[0007] To solve the above technical problems, the utility model adopts the following technical scheme:

[0008] The utility model relates to a kind of electric power fitting bending device, including table, one end of the table is equipped with the male die assembly for pushing round bar or straight bar type stud, the other end of the table is equipped with the female die assembly matched with the male die assembly, it is characterized in that, the female die assembly includes fixed die mechanism and two symmetrically arranged sliders, the slider is slidably connected with the fixed die mechanism, and two The slider can move away from each other or each other, two opposite surfaces of the slider are respectively equipped with bending groove, when two The female die assembly is mutually pasted, two The bending groove forms U-shaped groove;

[0009] It also includes an elastic stripping mechanism that simultaneously slides with both sliders and can drive both sliders away from each other.

[0010] Optionally, the fixed die mechanism includes a fixed block fixed to the top surface of the table, the fixed block is provided with an accommodation groove with a width gradually decreasing from one end to the other end, and the end of the accommodation groove close to the male die assembly is wider. The slider and the sidewall of the accommodation groove are one-to-one corresponding and are slidably connected through a sliding assembly.

[0011] Optionally, the sliding assembly includes a sliding groove opened on the sidewall of the accommodation groove and a fixed strip fixed to the slider, the cross section of the sliding groove is dovetail type or T type, and the fixed strip is matched with the sliding groove and is slidably connected.

[0012] Optionally, the elastic stripping mechanism includes a tension spring, a slide rod, a clamping block, and an end cap, the opposite surfaces of the two sliders are respectively provided with clamping grooves, and the clamping grooves are located at the end of the slider away from the male die assembly. The clamping block is located in the two clamping grooves at both ends, and the clamping block is slidably matched with the clamping groove. One end of the slide rod is fixedly connected with the side of the clamping block away from the bending groove, an avoiding opening is provided between the two sliders for avoiding the slide rod, the end of the slide rod away from the clamping block is slidably penetrated through the fixed block and fixedly connected with the end cap, the tension spring is sleeved on the slide rod, one end of the tension spring is fixedly connected with the fixed block, and the other end of the tension spring is fixedly connected with the end cap.

[0013] Optionally, an avoiding groove is provided at the end of the slider close to the male die assembly, the top wall of the avoiding groove is rotatably connected with the top end of a rotating wheel, the bottom end of the rotating wheel is rotatably connected with the table, the sidewall of the bending groove is tangent to the circumferential side of the rotating wheel, and the end surface of the slider close to the male die assembly is also tangent to the circumferential side of the rotating wheel.

[0014] Optionally, the male die assembly includes a telescopic rod and a protruding block, the telescopic rod is fixedly connected with the table through a mounting plate, the protruding block is fixedly connected with the telescopic end of the telescopic rod, and the side of the protruding block away from the telescopic rod is U-shaped or semicircular.

[0015] Compared with the prior art, the utility model has the beneficial technical effects of:

[0016] When the bending is completed, the telescopic rod is retracted, the convex block is driven away from the sliding block, the tension spring restores the elastic deformation and pulls the end cap, the end cap drives the clamping block to slide in the clamping groove through the slide rod, thereby driving the two sliding blocks to move away from each other, after the two sliding blocks move away from each other, the workpiece bent into a U shape is taken out of the U-shaped groove, the demolding operation is completed, and the workpiece can be taken down at this time. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be further described below in combination with the drawings.

[0018] Figure 1 It is a top view structural schematic diagram of a bending machine in the prior art;

[0019] Figure 2 It is a top view structural schematic diagram of the utility model;

[0020] Figure 3 It is a state structural schematic diagram of the utility model when bending;

[0021] Figure 4 It is a state structural schematic diagram of the utility model when demolding;

[0022] Figure 5 It is a sectional view structural schematic diagram of the utility model;

[0023] Figure 6 It is Figure 5 It is an enlarged structural schematic diagram of A in the middle.

[0024] The drawings are explained as follows: 100, table; 200, double head bolt; 300, fixed die mechanism; 310, fixed block; 320, containing groove; 330, sliding groove; 400, sliding block; 410, bending groove; 420, fixed strip; 430, clamping groove; 440, avoiding opening; 500, elastic demolding mechanism; 510, tension spring; 520, slide rod; 530, clamping block; 540, end cap; 600, rotating wheel; 700, telescopic rod; 800, convex block; 900, fixed rod; 1000, concave die. DETAILED DESCRIPTION

[0025] The core of the utility model is to provide a power fitting bending device, which has the advantages of convenient and rapid workpiece taking-off.

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.

[0027] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "middle" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0028] In a specific embodiment of the present application, as shown in Figures 2 to 6 the table 100 has a convex die assembly for pushing a round rod or a straight rod type double-headed bolt 200 installed at one end, and a concave die assembly cooperated with the convex die assembly installed at the other end, the concave die assembly comprises a fixed die mechanism 300 and two symmetrically arranged sliding blocks 400, the sliding blocks 400 are in sliding connection with the fixed die mechanism 300, and the two sliding blocks 400 can move away from or close to each other, and the opposite surfaces of the two sliding blocks 400 are respectively provided with bending grooves 410, and when the two sliding blocks 400 are in close contact with each other, the two bending grooves 410 form a U-shaped groove.

[0029] The elastic demolding mechanism 500 is in sliding connection with the two sliding blocks 400 and can drive the two sliding blocks 400 to move away from each other.

[0030] In a specific embodiment of the present application, as shown in Figures 2 to 6 the fixed die mechanism 300 comprises a fixed block 310 fixed on the top surface of the table 100 by bolts, the fixed block 310 is provided with an accommodating groove 320 with a width gradually decreasing from one end to the other end, and the end of the accommodating groove 320 close to the convex die assembly is a wider end; the sliding blocks 400 are arranged in one-to-one correspondence with the side walls of the accommodating groove 320 and are in sliding connection through sliding assemblies. In specific implementation, the accommodating groove 320 can be arranged in isosceles trapezoidal shape. The arrangement of the accommodating groove 320 can enable the two sliding blocks 400 to move away from or close to each other.

[0031] In a specific embodiment of the present application, as shown in Figures 2 to 6As shown, the sliding assembly comprises a sliding groove 330 provided on the side wall of the accommodating groove 320 and a fixing strip 420 fixed on the sliding block 400, the cross section of the sliding groove 330 is dovetail type or T type, and the fixing strip 420 is matched with the sliding groove 330 and is in sliding connection. In use, the sliding groove 330 and the sliding block 400 and the table 100 and the sliding block 400 are all smeared with lubricating oil, so that the resistance of the sliding block 400 in movement is reduced. The sliding groove 330 and the fixing strip 420 are matched with each other, the sliding block 400 is guided and limited, the sliding block 400 can only slide along the predetermined direction, the movement track of the sliding block 400 is ensured to be accurate, and there is no misalignment when the U-shaped groove is closed.

[0032] In a specific embodiment of the utility model, as shown in Figures 2 to 6 As shown, the elastic demolding mechanism 500 comprises a tension spring 510, a sliding rod 520, a clamping block 530 and an end cap 540, clamping grooves 430 are respectively provided on the opposite surfaces of the two sliding blocks 400, the clamping grooves 430 are located at the ends of the sliding blocks 400 away from the convex die assembly, the clamping block 530 is located in the two clamping grooves 430 at two ends respectively, and the clamping block 530 is in sliding connection with the clamping groove 430; one end of the sliding rod 520 is fixedly connected with one side of the clamping block 530 away from the bending groove 410, the avoiding opening 440 for avoiding the sliding rod 520 is provided between the two sliding blocks 400, one end of the sliding rod 520 away from the clamping block 530 is slidably penetrated through the fixed block 310 and is fixedly connected with the end cap 540, the tension spring 510 is sleeved on the sliding rod 520, one end of the tension spring 510 is fixedly connected with the fixed block 310, for example, welded, and the other end of the tension spring 510 is fixedly connected with the end cap 540, for example, welded. The elastic force of the tension spring 510 after being elongated should be greater than the resistance of the sliding block 400 in movement, preferably 3 to 5 times, so that the sliding rod 520 can drive the sliding block 400 to move under the action of the tension of the tension spring 510. The clamping groove 430 and the clamping block 530 are matched with each other, so that the two sliding blocks 400 can move synchronously.

[0033] In a specific embodiment of the utility model, as shown in Figure 2 、 5 As shown in FIGS. 5, 6 and 6, the end of the sliding block 400 close to the convex die assembly is provided with an avoiding groove, the top wall of the avoiding groove is rotationally connected with the top end of a rotating wheel 600, the bottom end of the rotating wheel 600 is rotationally connected with the table 100, the side wall of the bending groove 410 is tangent to the circumferential side of the rotating wheel 600, and the end surface of the sliding block 400 close to the convex die assembly is also tangent to the circumferential side of the rotating wheel 600. The setting of the rotating wheel 600 reduces the friction in the bending process, so that the round rod or straight rod type double-headed bolt 200 can more smoothly enter the bending groove 410 in the bending process and can avoid scratching the surface of the workpiece.

[0034] In a specific embodiment of the utility model, as shown in Figures 2 to 4As shown, the male die assembly includes a telescopic rod 700 and a protruding block 800, the telescopic rod 700 is fixedly connected with the table 100 through a mounting plate, the protruding block 800 is fixedly connected with the telescopic end of the telescopic rod 700, and the side, away from the telescopic rod 700, of the protruding block 800 is U-shaped or semicircular. The telescopic rod 700 can be an electric cylinder, a hydraulic cylinder or a pneumatic cylinder.

[0035] The working process of the electric power fitting bending device is as follows:

[0036] Place the round rod or straight rod type double-headed bolt 200 on the table 100 and make it contact with the two sliding blocks 400, and make the center of the round rod or straight rod type double-headed bolt 200 align with the protruding block 800.

[0037] Start the telescopic rod 700, the telescopic end of the telescopic rod 700 pushes the protruding block 800 to move towards the sliding block 400, the protruding block 800 extrudes the round rod or straight rod type double-headed bolt 200, so that the round rod or straight rod type double-headed bolt 200 gradually enters the bending grooves 410 of the two sliding blocks 400, the two sliding blocks 400 are extruded by the round rod or straight rod type double-headed bolt 200 and move close to each other along the side walls of the accommodating grooves 320, the sliding block 400 pushes the clamping block 530 through the clamping groove 430, the clamping block 530 pushes the sliding rod 520, the sliding rod 520 drives the end cap 540 to move synchronously, the end cap 540 stretches the tension spring 510, until the two sliding blocks 400 are attached to each other, at this time, the round rod or straight rod type double-headed bolt 200 is bent into a U shape.

[0038] During the bending process, the round rod or straight rod type double-headed bolt 200 contacts the runner 600 and drives the runner 600 to rotate, thereby reducing the friction.

[0039] When the bending is completed, the telescopic rod 700 is retracted, the protruding block 800 is driven away from the sliding block 400, the tension spring 510 restores the elastic deformation and pulls the end cap 540, the end cap 540 drives the clamping block 530 to slide in the clamping groove 430 through the sliding rod 520, thereby driving the two sliding blocks 400 to move away from each other, after the two sliding blocks 400 move away from each other, the workpiece bent into a U shape is taken out of the U-shaped groove, and the demolding operation is completed, at this time, the workpiece can be taken out.

[0040] The embodiments in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other, and each embodiment can be combined with each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the related parts are described in the method part.

[0041] The above embodiment only describes the preferred mode of the present application, and does not limit the scope of the present application. Without departing from the design spirit of the present application, various modifications and improvements to the technical solutions of the present application made by those skilled in the art shall fall within the protection scope determined by the claims of the present application.

Claims

1. A power fitting bending device, comprising a table (100), one end of which is provided with a punch assembly for pushing a round rod or straight rod type double-end bolt (200), and the other end of which is provided with a recess assembly matched with the punch assembly, characterized in that, The concave die assembly comprises a fixed die mechanism (300) and two symmetrically arranged sliders (400), the sliders (400) are in sliding connection with the fixed die mechanism (300), and the two sliders (400) can move away from or close to each other, and the opposite faces of the two sliders (400) are respectively provided with bending grooves (410), and when the two sliders (400) are in close contact with each other, the two bending grooves (410) form a U-shaped groove. Further comprising an elastic demolding mechanism (500), the elastic demolding mechanism (500) is in sliding joint with the two sliders (400) and can drive the two sliders (400) to move away from each other.

2. The power fitting bending device according to claim 1, characterized by: The fixed die mechanism (300) comprises a fixed block (310) fixed on the top surface of the table (100), the fixed block (310) is provided with an accommodating groove (320) which gradually narrows from one end to the other end, and the end of the accommodating groove (320) close to the convex die assembly is the wider end; the sliders (400) are arranged in one-to-one correspondence with the side walls of the accommodating groove (320) and are in sliding connection through sliding assemblies.

3. The power fitting bending device according to claim 2, characterized by: The sliding assembly comprises a sliding groove (330) opened on the side wall of the accommodating groove (320) and a fixed strip (420) fixed on the slider (400), the cross section of the sliding groove (330) is swallow-tailed or T-shaped, and the fixed strip (420) is matched with the sliding groove (330) and is in sliding connection.

4. The power fitting bending device according to claim 2, characterized by: The elastic demolding mechanism (500) comprises a tension spring (510), a sliding rod (520), a clamping block (530) and an end cap (540), the opposite faces of the two sliders (400) are respectively provided with clamping grooves (430), and the clamping grooves (430) are located at the ends of the sliders (400) away from the convex die assembly, the clamping block (530) is located in the two clamping grooves (430) respectively at both ends, and the clamping block (530) is in sliding cooperation with the clamping grooves (430); one end of the sliding rod (520) is fixedly connected with the clamping block (530) away from the bending groove (410), the avoiding opening (440) for avoiding the sliding rod (520) is opened between the two sliders (400), one end of the sliding rod (520) away from the clamping block (530) is slidingly penetrated through the fixed block (310) and is fixedly connected with the end cap (540), the tension spring (510) is sleeved on the sliding rod (520), one end of the tension spring (510) is fixedly connected with the fixed block (310), and the other end of the tension spring (510) is fixedly connected with the end cap (540).

5. The power fitting bending device according to claim 1, characterized by: The end of the slider (400) close to the convex die assembly is provided with an avoiding groove, the top wall of the avoiding groove is rotationally connected with the top end of a rotating wheel (600), the bottom end of the rotating wheel (600) is rotationally connected with the table (100), the side wall of the bending groove (410) is tangent to the circumferential side of the rotating wheel (600), and the end face of the slider (400) close to the convex die assembly is also tangent to the circumferential side of the rotating wheel (600).

6. The power fitting bending device according to claim 1, characterized by: The male die assembly comprises a telescopic rod (700) and a protruding block (800), the telescopic rod (700) is fixedly connected with the table (100) through a mounting plate, the protruding block (800) is fixedly connected with a telescopic end of the telescopic rod (700), and a side, away from the telescopic rod (700), of the protruding block (800) is U-shaped or semicircular.