CN115740107A - Full-automatic high-precision arc forming device and process method - Google Patents

Abstract

The invention discloses a full-automatic high-precision arc forming device and a process method, wherein the device comprises a machine tool, the front part of the machine tool is respectively provided with a plurality of groups of fixed material platforms, a plurality of groups of lifting chain plate conveyors and a plurality of groups of folding arm material supporting mechanisms, and the rear part of the machine tool is respectively provided with a plurality of groups of lifting chain plate conveyors, a plurality of groups of fixed material platforms and a plurality of groups of full-automatic high-precision plate positioning devices; the process method comprises three steps of sheet material transportation, sheet material positioning and bending and follow-up of a folding arm material supporting mechanism; according to the invention, through the forming test and process research of the plate, the traditional manual feeding forming method is brand-new improved, and the brand-new design is carried out on the feeding, stopping and holding according to manual simulation forming, so that the influence of human factors on the quality of a workpiece caused by manual forming is solved, the forming precision is high, the efficiency is high, and the factors of precision reduction, quality uncontrollable and the like caused by manual intervention are avoided.

Description

Full-automatic high-precision arc forming device and process method

Technical Field

The invention relates to the technical field of plate processing and forming, in particular to a full-automatic high-precision arc forming device and a process method.

Background

In some high-end industries, such as the aerospace industry, due to the fact that a plate is special, in order to reduce weight, the plate is often processed into a grid rib plate, the plate is expensive, the requirement on circular arc forming accuracy of the plate is extremely high, misalignment is not allowed to occur, the forming accuracy is better, the later artificial shaping is less, the defects of the forming plate are less, the forming quality is higher, and the hidden dangers are less. At present, when the plate is formed, the plate is mainly rolled and formed by a plate rolling machine, the edge dislocation is caused after the forming, the forming quality is poor, the forming length is usually not more than 3 meters, workpieces smaller than 3 meters are spliced into a length larger than 3 meters, the shape finishing is manually carried out in the later period, the difficulty is great, the manual scraping is depended on after the forming, the shaping control quality is poor, the manual intervention is more, and the yield is low. Therefore, a full-automatic high-precision arc forming device and a full-automatic high-precision arc forming process method are urgently needed, the full-automatic forming is completely realized by the processing process device and the processing process method, the problem of misalignment generated in the sheet forming process is solved, the forming precision is high, the efficiency is high, and the factors of low precision, uncontrollable quality and the like caused by manual intervention are avoided.

Disclosure of Invention

The invention provides a full-automatic high-precision arc forming device and a process method, which aim to solve the defects of large error variable, poor processing precision, more manual intervention and small yield in the processing and forming process of the traditional gridding rib plate.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

the utility model provides a full-automatic high accuracy circular arc forming device which characterized in that: the automatic plate bending machine comprises a machine tool, wherein a plurality of groups of fixed material platforms, a plurality of groups of lifting chain plate conveyors and a plurality of groups of folding arm supporting mechanisms are arranged at the front part of the machine tool respectively, and a plurality of groups of lifting chain plate conveyors, a plurality of groups of fixed material platforms and a plurality of groups of full-automatic high-precision plate positioning devices are arranged at the rear part of the machine tool respectively.

Preferably, a plurality of groups of front fixed material platforms are distributed at the front part of the machine tool and are used for bearing the incoming materials in the previous sequence; a plurality of groups of front lifting chain plate type conveyors are arranged between the front fixed material platforms and used for lifting the plate materials on the front fixed material platforms and conveying the plate materials to the rear part of the machine tool; a plurality of groups of folding arm supporting mechanisms are arranged between the front fixed material platforms and are used for assisting supporting of the bent plate materials, so that subsequent bending and blanking are facilitated; the rear side of the machine tool is distributed with a plurality of groups of rear fixed material platforms for blanking incoming materials at the front part of the machine tool, a plurality of groups of lifting chain plate conveyors are arranged between the rear fixed material platforms for receiving the incoming materials on the front lifting chain plate conveyors, the incoming materials enter the lifting chain plate conveyors at the rear part of the machine tool, the rear lifting chain plate conveyors fall down, the plates fall on the rear fixed material platforms, and a plurality of groups of full-automatic high-precision plate positioning devices are arranged between the rear fixed material platforms for accurately positioning the plates.

A full-automatic high-precision arc forming process method adopts the full-automatic high-precision arc forming device and comprises the following steps:

step one, transporting a plate material: the method comprises the following steps that a formed plate is sent into a front fixed material table in a line roller way mode in a workshop, the plate is supported by the front fixed material table, a starting button is pressed, a front lifting chain plate type conveyor and a rear lifting chain plate type conveyor rise, a motor at the end of the front lifting chain plate type conveyor rotates to send the plate to the rear lifting chain plate type conveyor, the front lifting chain plate type conveyor and the rear lifting chain plate type conveyor fall simultaneously, the plate falls onto the rear fixed material table, and the next procedure is carried out;

step two, positioning and bending the plate: after the material blocking head moves to an accurate position, the material clamping and centering mechanism moves forwards, the material clamping and centering mechanism clamps the plate material for a return stroke after the material blocking head is exceeded, the plate material is enabled to abut against the material blocking head, the sensing device carries out bending processing after receiving a contact signal of the material blocking head, the multi-tool bending processing is carried out in sequence, and the next procedure is carried out until the gravity center of the workpiece approaches to the machining center of the machine tool;

step three, the folding arm material supporting mechanism is in follow-up action: when the gravity center of a workpiece is close to a machining center of a machine tool, the workpiece can turn over to affect machining, the material supporting front arm is lifted up around the shaft in a rotating mode to support the workpiece, when the gravity center of the bent workpiece is close to a supporting point of the material supporting front arm, the material supporting rear arm hinged to the rear end of the material supporting front arm rotates around the end portion of the material supporting front arm to support the workpiece, the material supporting front arm and the material supporting rear arm rotate around respective shafts to fall down, the workpiece falls onto the front fixed material table, and machining is completed.

Compared with the prior art, the invention has the following advantages:

the full-automatic high-precision arc forming process and device provided by the invention solve the problems of manual hoisting, manual line drawing, manual line alignment, manual material supporting and the like, thoroughly eliminate manual intervention, reduce the labor intensity of operators, reduce the operators, shorten the auxiliary work in the workpiece folding process, save time, improve the processing efficiency, have strong workpiece consistency and improve the precision of a processed workpiece. Simple and compact structure, reasonable design, convenient use and low comprehensive cost.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front view of the front and rear stationary material tables of FIG. 1;

FIG. 3 is a top view of the front and rear stationary material tables of FIG. 1;

FIG. 4 is a front elevation view of the front and rear elevator chain slat conveyors of FIG. 1;

FIG. 5 is a top view of the front and rear drag chain slat conveyors of FIG. 1;

FIG. 6 is a front view of the full automatic high precision sheet positioning device of FIG. 1;

FIG. 7 is a top view of the fully automatic high precision sheet positioning apparatus of FIG. 1;

FIG. 8 is a schematic view of the fully automatic high precision sheet positioning apparatus of FIG. 1;

FIG. 9 is a working schematic diagram of a front material supporting arm of the arm folding material supporting mechanism in FIG. 1;

FIG. 10 is a top view of the knuckle arm holding mechanism of FIG. 1;

FIG. 11 is a working schematic diagram of a rear material supporting arm of the arm folding material supporting mechanism in FIG. 1;

FIG. 12 is a schematic view of the folding arm support mechanism of FIG. 1 after completion of the process;

FIG. 13 is a block process flow diagram of the present invention;

in the figure: 1. the front part is fixed with a material platform; 2. a front lift chain slat conveyor; 3. a folding arm holding mechanism; 301. supporting a material front arm; 302. supporting a material rear arm; 4. a machine tool; 5. a rear lift chain slat conveyor; 6. a material platform is fixed at the rear part; 7. a full-automatic high-precision plate positioning device; 701. a displacement transmission system; 702. blocking a material head; 703. a material clamping and centering mechanism; 704. an induction device.

Detailed Description

The present invention will be described in further detail with reference to specific examples.

The full-automatic high-precision arc forming device shown in fig. 1-12 comprises a machine tool 4, wherein a plurality of groups of front fixed material platforms 1, a plurality of groups of front lifting chain plate type conveyors 2 and a plurality of groups of folding arm material supporting mechanisms 3 are distributed on the front side of the machine tool 4; the rear side of the machine tool 4 is provided with a plurality of groups of rear fixed material tables 6, a plurality of groups of full-automatic high-precision plate positioning devices 7 and a plurality of groups of rear lifting chain plate conveyors 5.

A plurality of groups of front fixed material tables 1 are distributed at the front part of the machine tool 4 and are used for bearing the incoming materials in the previous sequence; a plurality of groups of front lifting chain plate type conveyors 2 are arranged between the front fixed material platforms 1 and used for lifting the plate materials on the front fixed material platforms 1 and conveying the plate materials to the rear part of a machine tool 4; a plurality of groups of folding arm material supporting mechanisms 3 are arranged between the front fixed material platforms 1 and are used for assisting material supporting of the bent plate materials, so that subsequent bending and blanking are facilitated; the rear side of the machine tool 4 is distributed with a plurality of groups of rear fixed material tables 6 for blanking incoming materials in the front of the machine tool 4, a plurality of groups of rear lifting chain plate type conveyors 5 are arranged between the rear fixed material tables 6 and used for receiving the incoming materials on the front lifting chain plate type conveyors 2, the incoming materials enter the rear lifting chain plate type conveyors 5 on the rear side of the machine tool 4, the rear lifting chain plate type conveyors 5 fall down, the plates fall on the rear fixed material tables 6, and a plurality of groups of full-automatic high-precision plate material positioning devices 7 are arranged between the rear fixed material tables 6 and used for accurately positioning the plates.

The full-automatic high-precision arc forming process method shown in fig. 1 to 13, which adopts the full-automatic high-precision arc forming device, comprises the following steps:

step one, transporting a plate material: a formed plate is sent into a front fixed material table 1 in a line roller way mode in a workshop and is supported by the front fixed material table 1, a starting button is pressed, a front lifting chain plate type conveyor 2 and a rear lifting chain plate type conveyor 5 rise, a motor at the end part of the front lifting chain plate type conveyor 2 rotates, the plate is sent onto the rear lifting chain plate type conveyor 5, the front lifting chain plate type conveyor 2 and the rear lifting chain plate type conveyor 5 fall simultaneously, the plate falls onto a rear fixed material table 6, and the next procedure is carried out;

step two, positioning and bending the plate: after the material blocking head 702 moves to an accurate position under the driving of the displacement transmission system 701, the material clamping and centering mechanism 703 moves forwards, after the material blocking head 702 is exceeded, the material clamping and centering mechanism 703 clamps the plate material for a return stroke, so that the plate material is tightly attached to the material blocking head 702, the sensing device 704 carries out bending processing after receiving a contact signal of the material blocking head 702, and then multi-tool bending processing is carried out in sequence until the gravity center of a workpiece is close to the processing center of a machine tool, and the next process is carried out;

step three, the folding arm material supporting mechanism is in follow-up action: when the gravity center of a workpiece approaches a machining center of a machine tool, the workpiece can turn over to affect machining, the material supporting front arm 301 rotates around an axis to lift up to support the workpiece, when the gravity center of a bent workpiece approaches a supporting point of the material supporting front arm 301, the material supporting rear arm 302 hinged to the rear end of the material supporting front arm 301 rotates around the end of the material supporting front arm 301 to support the workpiece, and the material supporting front arm 301 and the material supporting rear arm 302 rotate around respective axes to fall down to drop the workpiece to the front fixed material table 1 until the machining of the workpiece is finished.

The full-automatic high-precision arc forming process and the device thereof thoroughly eliminate manual intervention, reduce the labor intensity of operators, reduce the number of the operators, improve the processing efficiency and improve the precision of workpieces. Simple and compact structure, reasonable design, convenient use and low comprehensive cost.

The above are merely preferred examples of the present invention. It should be noted that other equivalent variations and modifications can be made by those skilled in the art in light of the technical teaching provided by the present invention, as well as the common general knowledge in the mechanical field, and should be considered as the protection scope of the present invention.

Claims (3)

1. The utility model provides a full-automatic high accuracy circular arc forming device which characterized in that: the automatic plate bending machine comprises a machine tool (4), wherein the front part of the machine tool (4) is respectively provided with a plurality of groups of front fixed material platforms (1), a plurality of groups of front lifting chain plate conveyors (2) and a plurality of groups of folding arm material supporting mechanisms (3), and the rear part of the machine tool (4) is respectively provided with a plurality of groups of rear lifting chain plate conveyors (5), a plurality of groups of rear fixed material platforms (6) and a plurality of groups of full-automatic high-precision plate material positioning devices (7).

2. The full-automatic high-precision arc forming device according to claim 1, characterized in that: a plurality of groups of front fixed material tables (1) are distributed at the front part of the machine tool (4) and are used for bearing the incoming materials in the previous sequence; a plurality of groups of front lifting chain plate type conveyors (2) are arranged between the front fixed material platforms (1) and are used for lifting the plates on the front fixed material platforms (1) and conveying the plates to the rear part of the machine tool (4); a plurality of groups of folding arm holding mechanisms (3) are arranged between the front fixed material platforms (1) and are used for assisting in holding materials of the bent plate materials, so that subsequent bending and blanking are facilitated; the rear side of lathe (4) distributes and has several groups of rear portion fixed material platform (6), a blanking for the anterior supplied materials of lathe (4), arrange several groups of rear portion lift chain slat conveyor (5) between rear portion fixed material platform (6), a supplied materials on being used for accepting anterior lift chain slat conveyor (2), the supplied materials gets into on rear portion lift chain slat conveyor (5) of lathe (4) rear side, rear portion lift chain slat conveyor (5) fall down, the sheet material falls on rear portion fixed material platform (6), arrange several groups of full-automatic high accuracy sheet material positioner (7) between rear portion fixed material platform (6), an accurate positioning for the sheet material.

3. A full-automatic high-precision arc forming process method, which adopts the process flow of the full-automatic high-precision arc forming device of claim 1 or 2, and is characterized in that: the method comprises the following steps:

step one, transporting a plate material: the method comprises the following steps that a formed plate is sent to a front fixed material platform (1) in a workshop line-forming roller way mode, the plate is supported by the front fixed material platform (1), a starting button is pressed, a front lifting chain plate type conveyor (2) and a rear lifting chain plate type conveyor (5) rise, a motor at the end part of the front lifting chain plate type conveyor (2) rotates to send the plate to the rear lifting chain plate type conveyor (5), the front lifting chain plate type conveyor (2) and the rear lifting chain plate type conveyor (5) fall down simultaneously, the plate falls onto a rear fixed material platform (6), and the next procedure is carried out;

step two, positioning and bending the plate: after the material blocking head (702) moves to an accurate position, the material clamping and centering mechanism (703) moves forwards, the material clamping and centering mechanism (703) clamps the plate material to return after exceeding the material blocking head (702), the plate material is enabled to be close to the material blocking head (702), the sensing device (704) carries out bending processing after receiving a contact signal of the material blocking head (702), multi-cutter bending processing is carried out in sequence, and the next procedure is carried out until the gravity center of a workpiece approaches to the machining center of a machine tool;

step three, the folding arm material supporting mechanism is in follow-up action: when the gravity center of a workpiece is close to a machining center of a machine tool, the workpiece can be laterally turned, machining is influenced, a material supporting front arm (301) is lifted up in a rotating mode around a shaft, the workpiece is supported, when the gravity center of a bent workpiece is close to a supporting point of the material supporting front arm (301), a material supporting rear arm (302) hinged to the rear end of the material supporting front arm (301) rotates around the end portion of the material supporting front arm (301), the workpiece is supported until the machining of the workpiece is completed, the material supporting front arm (301) and the material supporting rear arm (302) rotate around respective shafts and fall down, the workpiece falls onto a front fixed material platform (1), and machining is completed.

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