Multi-machine-head steel bar bending center

Abstract

The utility model discloses a multi-machine-head steel bar bending center which comprises a bending machine frame, a guide rail is welded above the bending machine frame, two to eight bending machine heads are movably installed above the guide rail, a clamping device is fixedly installed in the middle of the bending machine frame, and a feeding frame is fixedly connected to the rear side of the bending machine frame. The bending machine head comprises a sliding base installed on the guide rail, a protective shell is welded to the upper portion of the sliding base, a bending motor is installed in the protective shell, a rotating disc is arranged on the front side of the protective shell and rotates through the bending motor, and 2-16 mounting holes are formed in the surface of the rotating disc in a penetrating mode. A force application head is detachably mounted on the mounting hole; through the combined operation of the right-angle bending machine head and the die bending machine head, the problem that the bending operation of complex steel bar patterns cannot be completed at a time by the existing steel bar bending center is solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of steel bar bending equipment, concretely relates to a multi-head steel bar bending center. BACKGROUND

[0002] The steel bar bending center is a kind of equipment specially used for bending steel bar, and it is mainly applied to large engineering projects such as building, bridge and tunnel. The equipment can realize accurate bending of steel bar through advanced numerical control technology, and meet the needs of various engineering designs. The existing steel bar bending center generally includes a rack and a bending head arranged on the rack, a fixed die head and a movable force head are arranged on the head, the force head is connected with a motor, and the steel bar is bent into the shape of the die head through the forward and reverse rotation of the motor.

[0003] For example, Chinese patent CN211413461U discloses a steel bar bending center, which includes a rack, a support is installed at the lower part of the rack, an operating table is installed at the side of the support, a feeding device is installed at the upper part of the operating table, a single sorting frame is installed at the front of the feeding device, a rack is installed at the inner side of the upper part of the operating table, two bending heads are installed on the rack, a pressing device is installed at the middle of the two bending heads, a numerical control distribution box is installed on one side of the rack, and the numerical control distribution box is connected with the control of the feeding device and the bending head. Chinese patent CN204430074U discloses a vertical steel bar bending center, which includes a rack, a steel bar clamping and fixing device is arranged at the middle of the rack, a sliding rail is arranged at the top of the rack, bending box bodies are symmetrically arranged at the two sides of the steel bar clamping and fixing device, the bending box bodies are slidingly connected with the sliding rail, a bending mechanism is arranged at the front side of the bending box body, a placing rack is arranged on one side of the rack, and the placing rack is located at the back side of the bending box body, a material rack is arranged at the top of the placing rack, and the vertical steel bar bending center further includes a numerical control device and a controller, and the controller is connected with the bending box body, the steel bar clamping and fixing device and the numerical control device.

[0004] The inventor considers that the above-mentioned technology has the following defects: in the engineering projects of railway and tunnel, sometimes the steel bar needs to be bent into a rectangle or a polygon, and the existing steel bar bending center cannot complete the bending operation of the above-mentioned complex steel bar pattern at one time. UTILITY MODEL CONTENTS

[0005] To solve the problems in the above background technology, the utility model provides a multi-head steel bar bending center, which has the characteristics of high bending efficiency for complex shape steel bar.

[0006] In order to at least achieve one of the above-mentioned purposes, the utility model adopts the technical scheme that:

[0007] A multi-head steel bar bending center, comprising a bending frame, a guide rail welded above the bending frame, a bending head movably mounted above the guide rail, the number of the bending head being 2-8, a clamping device fixedly mounted at the middle of the bending frame, and a feeding frame fixedly connected to the rear side of the bending frame.

[0008] Further, the number of the bending head is 4.

[0009] Further, the bending head comprises a sliding base mounted on the guide rail, a protective shell welded above the sliding base, a bending motor mounted in the protective shell, a rotary disc provided at the front side of the protective shell, the rotary disc being rotated by the bending motor, a plurality of mounting holes penetrating through the surface of the rotary disc, and a force applying head detachably mounted on the mounting hole.

[0010] Further, a central hole penetrating through the middle of the rotary disc is provided, a bending die is provided at the front side of the rotary disc, the bending die is connected with the protective shell through the central hole, and the bending head with the bending die is a die bending head.

[0011] Further, the bending die comprises a disc-shaped bottom plate and a plurality of arc-shaped die heads mounted on the surface of the bottom plate, the number of the die heads being 2, and the die heads are symmetrically arranged above and below.

[0012] Further, a bending frame is mounted at the front side of the sliding base, and a flat die is fixed to the top of the bending frame.

[0013] Further, the bending head with the bending frame is a right-angle bending head for bending the steel bar by 90°, and the right-angle bending head is arranged at the left and right ends of the guide rail.

[0014] Further, the clamping device comprises a clamping fixture fixed on the guide rail, an upper clamping plate fixed at the front end of the clamping fixture, a lower clamping plate provided below the upper clamping plate, a hydraulic cylinder connected below the lower clamping plate, and a rubber layer attached to the inner sides of the upper and lower clamping plates.

[0015] The beneficial effects of the present application compared with the prior art are as follows:

[0016] The present application solves the problem that the existing steel bar bending center cannot complete the bending operation of complex steel bar patterns at one time through the cooperation of the right-angle bending head and the die bending head.

[0017] The mounting holes penetrating through the surface of the rotary disc enable the force applying head to be installed at multiple positions of the rotary disc to apply bending moment to the steel bar, thereby realizing the bending of more complex shapes. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic view of the embodiment one of the utility model;

[0019] Figure 2 It is Figure 1 It is the enlarged schematic view of A in the middle;

[0020] Figure 3 It is Figure 1 It is the enlarged schematic view of B in the middle;

[0021] Figure 4 It is the schematic view of the rack in the utility model;

[0022] Figure 5 It is the side view of the embodiment one of the utility model;

[0023] Figure 6 It is the schematic view of the embodiment one of the utility model;

[0024] The components in the figure are marked as follows: 1, bending rack;101, guide rail;2, bending machine head;201, sliding base;202, protective shell;203, bending motor;204, rotating disc;205, mounting hole;206, force head;207, central hole;208, bending die;209, bottom plate;210, die head;211, bending frame;212, flat plate die;3, clamping device;301, clamping fixture;302, upper clamping plate;303, lower clamping plate;304, hydraulic cylinder;4, feeding rack. DETAILED DESCRIPTION

[0025] The technical scheme of the utility model will be further described in combination with the drawings, and the advantages and characteristics of the utility model will be more clear with the description. However, it should be understood that the embodiments are only exemplary and do not limit the scope of the utility model.

[0026] It should be noted that the terms "upper", "lower", "front", "rear" and the like in the claims and the description of the present application indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and do not necessarily mean that the device or component referred to must have a particular orientation, be constructed or operated in a particular orientation.

[0027] In the utility model, unless another definite provision and limitation, "fix", "connect" and the like terms should do broad sense understanding, for example, can be fixedly connected, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can pass through intermediate medium indirectly connect, can be two element internal communication or two element's mutual action relation. For ordinary skilled person in the art, can understand the specific meaning of the above terms in the utility model according to specific circumstances. Example one:

[0028] Please refer to Figures 1 to 5 A multi-head reinforcing bar bending center, it includes bending frame 1, the upper welding of bending frame 1 has guide rail 101, the upper movable mounting of guide rail 101 has bending head 2, the number of bending head 2 is 2-8, the middle fixed mounting of bending frame 1 has clamping device 3, the rear side fixed connection of bending frame 1 has feeding frame 4.

[0029] Bending head 2 includes the sliding base 201 installed on guide rail 101, the upper welding of sliding base 201 has protective shell 202, protective shell 202 is installed with bending motor 203, the front side of protective shell 202 is provided with rotary disc 204, rotary disc 204 is rotated by bending motor 203, the surface of rotary disc 204 is provided with installation hole 205, the number of installation hole 205 is 2-16, and force head 206 is detachably installed on installation hole 205.

[0030] The middle part of rotary disc 204 is provided with through central hole 207, and the front side of rotary disc 204 is provided with bending die 208, and bending die 208 is connected with protective shell 202 through central hole 207, and the bending head 2 with bending die 208 is die bending head.

[0031] Bending die 208 includes disc-shaped bottom plate 209 and arc-shaped die head 210 installed on the surface of bottom plate 209, and the number of die head 210 is 2, and the upper and lower symmetrically arranged.

[0032] The front side of sliding base 201 is provided with bending frame 211, and the top of bending frame 211 is fixed with flat plate die 212.

[0033] The bending head 2 with bending frame 211 is right-angle bending head, for bending reinforcing bar 90 °, and the right-angle bending head is arranged at the left and right ends of guide rail 101.

[0034] The clamping device 3 comprises a clamping fixture 301 fixed on the guide rail 101, the front end of the clamping fixture 301 is fixed with an upper clamping plate 302, the lower side of the upper clamping plate 302 is provided with a lower clamping plate 303, the lower side of the lower clamping plate 303 is connected with a hydraulic cylinder 304, and the inner sides of the upper clamping plate 302 and the lower clamping plate 303 are attached with rubber layers for avoiding deformation of the steel bars.

[0035] In the embodiment, the number of bending machine heads 2 is four, specifically, two right-angle bending machine heads are arranged at the left and right ends of the guide rail 101, and two die bending machine heads are symmetrically arranged at the two sides of the clamping device 3, and the rectangular steel bars can be bent at one time. Embodiment two:

[0036] Please refer to Figures 1 to 6 A multi-head steel bar bending center comprises a bending frame 1, a guide rail 101 is welded on the upper side of the bending frame 1, a bending machine head 2 is movably installed on the upper side of the guide rail 101, the number of the bending machine heads 2 is 2-8, a clamping device 3 is fixedly installed on the middle part of the bending frame 1, and a feeding rack 4 is fixedly connected to the rear side of the bending frame 1.

[0037] The bending machine head 2 comprises a sliding base 201 installed on the guide rail 101, a protection shell 202 is welded on the upper side of the sliding base 201, a bending motor 203 is installed in the protection shell 202, a rotating disc 204 is arranged on the front side of the protection shell 202, the rotating disc 204 is rotated by the bending motor 203, a plurality of installation holes 205 are formed on the surface of the rotating disc 204, and a plurality of force heads 206 are detachably installed on the installation holes 205.

[0038] A central hole 207 is formed in the middle part of the rotating disc 204, a bending die 208 is arranged on the front side of the rotating disc 204, the bending die 208 is connected with the protection shell 202 through the central hole 207, and the bending machine head 2 with the bending die 208 is a die bending machine head.

[0039] The bending die 208 comprises a disc-shaped bottom plate 209 and a plurality of arc-shaped die heads 210 installed on the surface of the bottom plate 209, and the number of the die heads 210 is two, which are symmetrically arranged.

[0040] The sliding base 201 is provided with a bending frame 211 on the front side, and a flat die 212 is fixed on the top of the bending frame 211.

[0041] The bending machine head 2 with the bending frame 211 is a right-angle bending machine head, which is used for bending the steel bar by 90°, and the right-angle bending machine head is arranged at the left and right ends of the guide rail 101.

[0042] The clamping device 3 comprises a clamping fixture 301 fixed on the guide rail 101, the front end of the clamping fixture 301 is fixed with an upper clamping plate 302, the lower side of the upper clamping plate 302 is provided with a lower clamping plate 303, the lower side of the lower clamping plate 303 is connected with a hydraulic cylinder 304, and the inner sides of the upper clamping plate 302 and the lower clamping plate 303 are attached with rubber layers.

[0043] In the embodiment, the number of the bending machine heads 2 is six, specifically, two right-angle bending machine heads are arranged at the left and right ends of the guide rail 101, and four die bending machine heads are symmetrically arranged at the two sides of the clamping device 3.

[0044] The above only describes the preferred embodiments of the utility model and is not used to limit the utility model, and the utility model can have various changes and changes for the person skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A multi-head reinforcement bending center comprising a bending frame (1), characterized in that: The upper part of the bending frame (1) is welded with a guide rail (101), the upper part of the guide rail (101) movably installs a bending head (2), the number of the bending head (2) is 2-8, the middle part of the bending frame (1) fixedly installs a clamping device (3), the rear side of the bending frame (1) fixedly connects a feeding frame (4).

2. The multi-head rebar bending center of claim 1, wherein: The bending head (2) comprises a sliding base (201) installed on the guide rail (101), the upper part of the sliding base (201) is welded with a protection shell (202), the protection shell (202) is installed with a bending motor (203), the front side of the protection shell (202) is provided with a rotating disc (204), the rotating disc (204) is rotated by the bending motor (203), the surface of the rotating disc (204) is provided with a mounting hole (205), the number of the mounting hole (205) is 2-16, and the mounting hole (205) is detachably installed with a force head (206).

3. The multi-head rebar bending center of claim 2, wherein: The middle part of the rotating disc (204) is provided with a through central hole (207), the front side of the rotating disc (204) is provided with a bending die (208), the bending die (208) is connected with the protection shell (202) through the central hole (207), and the bending head (2) with the bending die (208) is a die bending head.

4. The multi-head rebar bending center of claim 3, wherein: The bending die (208) comprises a disc-shaped bottom plate (209) and an arc-shaped die head (210) installed on the surface of the bottom plate (209), the number of the die head (210) is 2, and the die head (210) is symmetrically arranged above and below.

5. The multi-head rebar bending center of claim 2, wherein: The front side of the sliding base (201) is provided with a bending frame (211), and the top of the bending frame (211) is fixedly provided with a flat plate die (212).

6. The multi-head rebar bending center of claim 5, wherein: The bending head (2) with the bending frame (211) is a right-angle bending head, and the right-angle bending head is arranged at the left and right ends of the guide rail (101).

7. The multi-head rebar bending center of claim 1, wherein: The clamping device (3) comprises a clamping fixture (301) fixed on the guide rail (101), the front end of the clamping fixture (301) is fixedly provided with an upper clamping plate (302), the lower part of the upper clamping plate (302) is provided with a lower clamping plate (303), the lower part of the lower clamping plate (303) is connected with a hydraulic cylinder (304), and the inner sides of the upper clamping plate (302) and the lower clamping plate (303) are attached with a rubber layer.

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