CN111515279A

CN111515279A - Bending machine for machining built-in bracket of switch cabinet

Info

Publication number: CN111515279A
Application number: CN202010387889.9A
Authority: CN
Inventors: 龚斌
Original assignee: Jiangsu Haichao Electric Technology Co ltd
Current assignee: Jiangsu Haichao Electric Technology Co ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2020-08-11

Abstract

The invention discloses a bending machine for processing a built-in support of a switch cabinet, and relates to the technical field of bending machine equipment.

Description

Bending machine for machining built-in bracket of switch cabinet

Technical Field

The invention relates to the technical field of bending machine equipment, in particular to a bending machine for processing a built-in support of a switch cabinet.

Background

Bending is the most important link in sheet metal manufacturing, and the quality of bending directly influences the manufacturing of the subsequent process and the quality of the whole product. The bending machine mainly comprises a base, an upper die, a lower die, a hydraulic mechanism and the like, wherein the inner side surface of a workpiece bending part is subjected to compression deformation in the bending process, the outer side surface of the workpiece bending part is subjected to tensile deformation, the compressive deformation and the tensile deformation are the largest on the surface of a material, the deformation is gradually reduced along with gradual penetration to the thick inner part, in order to improve the bending quality, the workpiece needs to be positioned in the bending process, and the workpiece is prevented from being displaced due to stretching or compression. Meanwhile, since there are various requirements for the bending angle of the workpiece, it is necessary to improve the efficiency of die replacement.

The existing bending machine has two types of manual operation and automatic operation, the accuracy of the manually operated bending machine is very low, the bending angle is difficult to control, the operation process has great potential safety hazards, the bending position and angle of the existing automatically operated bending machine are difficult to control accurately, and especially the fastening state of an article to be bent cannot be kept in the bending process.

Disclosure of Invention

The invention aims to provide a bending machine for processing a built-in support of a switch cabinet, which is used for solving the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a bender is used in processing of built-in support of cubical switchboard, includes workstation, supporting shoe, fixed arm and supporting leg, the top of workstation is fixed the supporting shoe, the supporting shoe is provided with two sets ofly, the top of supporting shoe is provided with the fixed arm, the fixed arm is provided with two sets ofly, the inside of fixed arm is provided with supplementary firm mechanism, the top of workstation is fixed with the support frame, the electric hydraulic press is installed to the top of support frame, the electric hydraulic press runs through the below of support frame is connected with the mould, the below of going up the mould is provided with supplementary mechanism of bending, the outside of supplementary mechanism of bending is connected the fixed arm.

Preferably, the supporting legs are installed on the bottom side of the workbench and are provided with four groups, the universal wheels are installed on the bottom sides of the supporting legs, and the four groups of universal wheels are arranged.

Preferably, the auxiliary stabilizing mechanism comprises an auxiliary positioning mechanism and an auxiliary clamping mechanism. Supplementary positioning mechanism includes outer spout of motor case, motor, slide bar, hob, first interior spout, bearing, steel wire, stopper and outer spout, the top of fixed arm is fixed the motor case, the internally mounted of motor case the motor, the below of motor is connected the hob, the hob is kept away from one side of motor is connected the bearing, the bearing is fixed in the bottom of fixed arm, the outside of hob is connected the steel wire, the steel wire is provided with four groups, the steel wire is kept away from the one end of hob is connected the slide bar, the slide bar is provided with two sets ofly, the slide bar is kept away from the one end of steel wire is connected second reset spring, second reset spring keeps away from the one end of steel wire is fixed in on the inner wall of fixed arm.

Preferably, the sliding rod penetrates through the outer side of the fixed arm and is connected with the limiting block, the outer side of the sliding rod is provided with the outer sliding groove of the outer sliding groove, and the outer sliding groove of the outer sliding groove is arranged inside the fixed arm.

Preferably, supplementary clamping mechanism includes spout in swinging boom, electronic telescopic machine and the second, electronic telescopic machine is fixed in the inside of fixed arm, electronic telescopic machine is provided with four groups, electronic telescopic machine is kept away from the one end of fixed arm is connected the swinging boom, the swinging boom is provided with four groups, the swinging boom has the cylinder of spoke for both sides, the spout set up in the second on the inner wall of fixed arm, electronic telescopic machine with the setting that coincide of spout in the second.

Preferably, supplementary mechanism of bending includes lower mould, articulated shaft, fixed block and a reset spring, the lower mould set up in go up under the mould, the lower mould is fixed in the top of workstation, the fixed block is fixed in the outside of lower mould, the fixed block sets up in two sets of, the inside of fixed block is provided with a reset spring, the articulated shaft is installed at the top of fixed block, the both sides of articulated shaft are articulated the swinging boom.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the support to be bent is placed on the supporting block, the starting motor drives the spiral rod to shorten the steel wire, so that the sliding rod is driven to slide along the first inner sliding groove, the limiting block is enabled to approach to the inner side along the outer sliding groove of the outer sliding groove, the support to be bent is clamped, then the electric stretching machine is started, the fixing arm is pulled to move inwards along the second inner sliding groove for a certain distance, and the support to be bent is fixed on the supporting block according to a proper position. The electric control position enables the bending position to be more accurate and more stable, and avoids the occurrence of larger errors in the bending process or the falling off of the bracket to be bent due to unstable fixation, thereby causing property or personal injury.

2. According to the invention, the upper die is pressed down for a certain distance by starting the electric hydraulic press, when the support to be bent begins to be bent, the hinge shaft is pressed down along with the rotary arm to rotate for the same angle, so that the support is kept in a clamping state in the bending process, meanwhile, the lower die below is used for assisting in controlling the bending angle and position, after the support is bent, the upper die is retracted, the hinge shaft and the rotary arm are naturally reset, and meanwhile, the electric telescopic machine and the motor are reversely started to loosen the support on the support block.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a right side sectional view of the structure at location A of the present invention;

FIG. 3 is a top sectional view of the structure at A of the present invention;

FIG. 4 is an enlarged view of the structure of the present invention at B;

FIG. 5 is a front sectional view of the structure at position C of the present invention.

In the figure: 1-workbench, 2-supporting block, 3-rotating arm, 4-electric hydraulic cylinder, 5-supporting frame, 6-upper die, 7-fixed arm, 8-supporting leg, 9-universal wheel, 10-motor box, 11-motor, 12-sliding rod, 13-screw rod, 14-first inner chute, 15-bearing, 16-steel wire, 17-limiting block, 18-outer chute, 19-lower die, 20-articulated shaft, 21-fixing block, 22-first return spring, 23-electric telescopic machine, 24-second inner chute and 25-second return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention is shown: the utility model provides a bender is used in processing of built-in support of cubical switchboard, includes workstation 1, supporting shoe 2, fixed arm 7 and supporting leg 8, the top of workstation 1 is fixed supporting shoe 2, supporting shoe 2 is provided with two sets ofly, the top of supporting shoe 2 is provided with fixed arm 7, fixed arm 7 is provided with two sets ofly, the inside of fixed arm 7 is provided with supplementary firm mechanism, the top of workstation 1 is fixed with support frame 5, electric hydraulic press 4 is installed to support frame 5's top, electric hydraulic press 4 runs through the below of support frame 5 is connected with mould 6, the below of going up mould 6 is provided with supplementary mechanism of bending, the outside of supplementary mechanism of bending is connected fixed arm 7.

Through the operation that electric control is firm and bend, improve the accuracy and the security of operation, practice thrift manpower resources simultaneously, greatly improved the efficiency of bending, guarantee the product quality after bending.

In the present embodiment, the supporting legs 8 are installed on the bottom side of the workbench 1, four sets of the supporting legs 8 are provided, the universal wheels 9 are installed on the bottom side of the supporting legs 8, and four sets of the universal wheels 9 are provided.

Through the bottom side installation universal wheel 9 at supporting leg 8, can freely promote the operating position with this device, avoid reducing the cost of transportation because of the too big difficult transportation of the support quality of waiting to bend, improve work efficiency.

In this embodiment, the auxiliary fixing mechanism includes an auxiliary positioning mechanism and an auxiliary clamping mechanism. The auxiliary positioning mechanism comprises a motor box 10, a motor 11, a sliding rod 12, a screw rod 13, a first inner chute 14, a bearing 15, a steel wire 16, a limiting block 17 and an outer chute 18, the motor box 10 is fixed above the fixed arm 7, the motor 11 is arranged in the motor box 10, the lower part of the motor 11 is connected with the screw rod 13, one side of the screw rod 13 far away from the motor 11 is connected with the bearing 15, the bearing 15 is fixed at the bottom of the fixing arm 7, the outer side of the spiral rod 13 is connected with the steel wire 16, four groups of steel wires 16 are arranged, one end of each steel wire 16 far away from the spiral rod 13 is connected with the sliding rod 12, two groups of the slide bars 12 are arranged, one end of each slide bar 12 far away from the steel wire 16 is connected with the second return spring 25, one end of the second return spring 25, which is far away from the steel wire 16, is fixed on the inner wall of the fixing arm 7.

The screw 13 is rotated above the bearing 15 by starting the motor 11, thereby shortening the steel wire 16 and pulling the sliding rod 12 to slide inwards along the first inner sliding groove 14.

In this embodiment, the sliding rod 12 penetrates through the outer side of the fixed arm 7 to be connected with the limiting block 17, the outer sliding groove 18 is arranged on the outer side of the sliding rod 12, and the outer sliding groove 18 is arranged inside the fixed arm 7.

The sliding rod 12 pulls the limiting block 17 to draw close to the inner side along the outer sliding groove 18 of the outer sliding groove, so that the bracket to be bent is adjusted to a set position, and the bending position accuracy is improved.

In this implementation, spout 24 in supplementary clamping mechanism includes swinging boom 3, electronic stretcher 23 and the second, electronic stretcher 23 is fixed in the inside of fixed arm 7, electronic stretcher 23 is provided with four groups, electronic stretcher 23 is kept away from the one end of fixed arm 7 is connected swinging boom 3, swinging boom 3 is provided with four groups, swinging boom 3 has the cylinder of spoke for both sides, spout 24 set up in the second on the inner wall of fixed arm 7, electronic stretcher 23 with spout 24 coincide in the second sets up.

By starting the electric telescopic machine 23, the fixing arm 7 is pulled to move inwards for a certain distance along the second inner chute 24, and the support to be bent is fixed on the supporting block 2 according to a set position, so that the support to be bent cannot deviate, the bending accuracy is improved, and the bending safety is ensured.

In this implementation, supplementary mechanism of bending includes lower mould 19, articulated shaft 20, fixed block 21 and first reset spring 22, lower mould 19 set up in go up under the mould 6, lower mould 19 is fixed in the top of workstation 1, fixed block 21 is fixed in the outside of lower mould 19, fixed block 21 sets up in two sets of, the inside of fixed block 21 is provided with first reset spring 22, articulated shaft 20 is installed at the top of fixed block 21, articulated shaft 20's both sides are articulated swinging boom 3.

The upper die 6 is pressed down for a certain distance by starting the electric hydraulic machine 4, the hinge shaft 20 is pressed down along with the upper die, the rotating arm 3 rotates for the same angle, the clamping state of the support in the bending process is kept, meanwhile, the lower die 19 below is used for assisting in controlling the bending angle and position, after the support is bent, the upper die 6 is retracted, the hinge shaft 20 and the rotating arm 3 naturally reset, and meanwhile, the electric telescopic machine 23 and the motor 11 are reversely started to release the support on the supporting block 2.

The working principle is as follows:

step 1: firstly, a support to be bent is placed on a supporting block 2, a starting motor 11 drives a spiral rod 13 to shorten a steel wire 16, so that a sliding rod 12 is driven to slide along a first inner sliding groove 14, a limiting block 17 is made to approach to the inner side along an outer sliding groove 18 of the outer sliding groove, the support to be bent is clamped, then an electric stretching machine 23 is started, a fixing arm 7 is pulled to move inwards for a certain distance along a second inner sliding groove 24, and the support to be bent is fixed on the supporting block 2 according to a proper position. The electric control position enables the bending position to be more accurate and more stable, and avoids large errors in the bending process or property or personal injury caused by falling of a support to be bent due to unstable fixation;

step 2: secondly, the electric hydraulic press 4 is started to press the upper die 6 downwards for a certain distance, when the support to be bent begins to be bent, the hinge shaft 20 is pressed downwards along with the support, the rotary arm 3 rotates for the same angle to keep a clamping state in the support bending process, meanwhile, the lower die 19 below is used for assisting in controlling the bending angle and position, after the support is bent, the upper die 6 is retracted, the hinge shaft 20 and the rotary arm 3 naturally reset, and meanwhile, the electric telescopic machine 23 and the motor 11 are reversely started to loosen the support on the supporting block 2.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a bender is used in processing of built-in support of cubical switchboard, includes workstation (1), supporting shoe (2), fixed arm (7) and supporting leg (8), its characterized in that: the top of workstation (1) is fixed supporting shoe (2), supporting shoe (2) are provided with two sets ofly, the top of supporting shoe (2) is provided with fixed arm (7), fixed arm (7) are provided with two sets ofly, the inside of fixed arm (7) is provided with supplementary firm mechanism, the top of workstation (1) is fixed with support frame (5), electric hydraulic machine (4) are installed to the top of support frame (5), electric hydraulic machine (4) run through the below of support frame (5) is connected with mould (6), the below of going up mould (6) is provided with supplementary mechanism of bending, the supplementary outside of bending the mechanism is connected fixed arm (7).

2. The bending machine for processing the built-in support of the switch cabinet according to claim 1, is characterized in that: the supporting legs (8) are installed on the bottom side of the workbench (1), four groups of supporting legs (8) are arranged, the universal wheels (9) are installed on the bottom side of the supporting legs (8), and four groups of universal wheels (9) are arranged.

3. The bending machine for processing the built-in support of the switch cabinet according to claim 1, is characterized in that: the auxiliary stabilizing mechanism comprises an auxiliary positioning mechanism and an auxiliary clamping mechanism, the auxiliary positioning mechanism comprises a motor box (10), a motor (11), a sliding rod (12), a spiral rod (13), a first inner sliding groove (14), a bearing (15), a steel wire (16), a limiting block (17) and an outer sliding groove (18), the motor box (10) is fixed above the fixed arm (7), the motor (11) is installed inside the motor box (10), the spiral rod (13) is connected below the motor (11), one side, away from the motor (11), of the spiral rod (13) is connected with the bearing (15), the bearing (15) is fixed at the bottom of the fixed arm (7), the outer side of the spiral rod (13) is connected with the steel wire (16), four groups of steel wires (16) are arranged, one end, away from the spiral rod (13), of the steel wire (16) is connected with the sliding rod (12), the sliding rod (12) is provided with two groups, one end, far away from the steel wire (16), of the sliding rod (12) is connected with the second return spring (25), and one end, far away from the steel wire (16), of the second return spring (25) is fixed on the inner wall of the fixing arm (7).

4. The bending machine for processing the built-in support of the switch cabinet according to claim 3, is characterized in that: the outside that slide bar (12) run through fixed arm (7) is connected stopper (17), the outside of slide bar (12) sets up outer spout (18) of outer spout, outer spout (18) of outer spout set up in the inside of fixed arm (7).

5. The bending machine for processing the built-in support of the switch cabinet according to claim 3, is characterized in that: supplementary clamping mechanism includes spout (24) in swinging boom (3), electronic elongator (23) and the second, electronic elongator (23) is fixed in the inside of fixed arm (7), electronic elongator (23) are provided with four groups, electronic elongator (23) are kept away from the one end of fixed arm (7) is connected swinging boom (3), swinging boom (3) are provided with four groups, swinging boom (3) have the cylinder of spoke for both sides, spout (24) set up in the second on the inner wall of fixed arm (7), electronic elongator (23) with spout (24) coincide in the second and set up.

6. The bending machine for processing the built-in support of the switch cabinet according to claim 1, is characterized in that: supplementary mechanism of bending includes lower mould (19), articulated shaft (20), fixed block (21) and first reset spring (22), lower mould (19) set up in go up under mould (6), lower mould (19) are fixed in the top of workstation (1), fixed block (21) are fixed in the outside of lower mould (19), fixed block (21) set up in two sets of, the inside of fixed block (21) is provided with first reset spring (22), articulated shaft (20) are installed at the top of fixed block (21), the both sides of articulated shaft (20) are articulated swinging boom (3).