CN100389896C

CN100389896C - Dual-shaft variable-section roll-bending shaping machine

Info

Publication number: CN100389896C
Application number: CNB2006100808875A
Authority: CN
Inventors: 景作军; 王侃; 张若青; 刘继英; 艾正青
Original assignee: North China University of Technology
Current assignee: North China University of Technology
Priority date: 2006-05-19
Filing date: 2006-05-19
Publication date: 2008-05-28
Anticipated expiration: 2026-05-19
Also published as: CN1850388A

Abstract

The present invention discloses a double-shaft variable section roll-bending shaping machine which comprises a machine seat, a motor connected to the machine seat, a guideway and drive mechanisms, wherein one of the drive mechanisms is connected between the machine seat and the guideway and enables the machine seat to rotate round a vertical direction, and the other drive mechanism enables the machine seat to move horizontally. Because the present invention can realize the fact that shaped proximate matter changes a section in a longitudinal direction, the present invention can better satisfy actual productive requirements, the use field of roll-bending shaping technology is wide, and the present invention can be used for manufacturing parts and members of fields, such as cars, buildings, etc. The present invention has the advantages of product quality enhancement, product processing range enlargement, convenient operation, safety and reliability.

Description

Double-shaft and variable-cross section roll forming machine

Technical field

The present invention relates to a kind of make-up machine, particularly relate to a kind of roll-bending shaping machine that is used to realize to the variable cross-section of sheet material.

Background technology

Roll bending formation is a kind of efficient, low-cost and clean plate forming mode etc.In the forming process of the roll bending formation technology that adopts at present, the position of its moulding support is fixed, has only rotatablely moving of format roll, thereby vertically is prismatic at the forming process medium section along it.

As, notification number is to disclose a kind of profile-forming machine in the Chinese utility model patent specification of CN2595475Y, include frame, roll and guiding mechanism, it is vertical that frame is, and guiding mechanism is the two ends up and down that two leading screws laterally are movably installed in frame, and an end of leading screw is equipped with motor respectively, top and bottom rolls is once arranged, is movably arranged on the frame, the centre that is two leading screws, the two ends of roll is separately installed with slide, and top and bottom rolls is fixedlyed connected with leading screw up and down respectively.Disclosed make-up machine is exactly that a kind of support maintains static in this utility model patent, and the make-up machine that roll rotatablely moves, sheet forming vertically are prismatic along it in forming process.

And for example, notification number is disclosed a kind of roller molding machine in the Chinese utility model patent specification of CN2519704Y, be fixed with linear rolling track on the frame of this make-up machine, fixed block is fixed on the slide block of linear rolling track, rolling guide is parallel with ball-screw to be installed on the frame, axle is installed on the fixed block, and nut and fixed block on the ball-screw are installed together.This make-up machine also is that support maintains static, and sheet forming vertically is prismatic along it in forming process.

For another example, notification number is to disclose a kind of adjustable-width make-up machine in the Chinese utility model patent specification of CN2496574Y, the upper and lower axle that its left and right sides at support is equipped with fixed frame, be parallel to each other is installed on the fixed frame by bearing block, between two fixed frames moving frame is installed.This utility model patent when narrow, thick, the hard product of moulding, unit is transferred narrow, the rigidity of the axle of can improving the standard; When becoming molded breadth, thin, soft product, unit is transferred wide, make it to produce wideer product.Though this utility model can be regulated forming width, because the width after its adjusting is a single-width, in forming process, sheet material vertically still is prismatic along it.

Summary of the invention

Purpose of the present invention will provide a kind of roll-bending shaping machine exactly, can realize the variable-section roll-bending moulding to sheet material.

The technical solution adopted for the present invention to solve the technical problems is:

A kind of double-shaft and variable-cross section roll forming machine, comprise support, be connected motor, the guide rail on the support and be connected support and guide rail between make driving mechanism that support rotates around vertical direction and the driving mechanism that support is moved horizontally.

The described support that makes comprises leading screw I and the nut I that connects together around the driving mechanism that vertical direction rotates, and the described driving mechanism that support is moved horizontally comprises leading screw II and the nut II that connects together.

Described support bottom is provided with slide plate, and slide plate is bearing on the guide rail, travelling nut II and the eccentric shaft that is connected with leading screw II is housed below the slide plate respectively, eccentric shaft and rod hinge connection, connecting rod is connected by bearing pin with nut I, and nut I and leading screw I form screw thread pair, and motor is connected with leading screw I, II respectively.

Described nut I is the nut that has galianconism.

Described support comprises bearing block, frame, format roll, support set, be connected with motor on the end face of bearing block, described bearing block tightens intrinsic support set, forms rotary pair in the hole of support set insertion frame, forms the rotary pair between bearing block and format roll in the dead eye of format roll insertion bearing block.

Described bearing block end face is threaded the hole, and support set has through hole, and the through hole of screw by support set is screwed in the screwed hole of bearing block and forms the bearing block that has support set.

Described support set has flange, has through hole on the flange, and frame contacts with the support set flange is partly with screwed hole, and dog screw is connected with screwed hole on the frame by the through hole on the support set flange.

The present invention has following beneficial technical effects:

1, because the present invention can realize that section bar after the moulding is along its longitudinal variable cross-section, therefore, the present invention can better satisfy requirements of actual production, and the field of its roll bending formation technology utilization is more extensive, can be used for the part in fields such as automobile, building and the making of member.

2, because the present invention is a kind of double-shaft and variable-cross section roll forming technique, moving and rotating by support in forming process, can realize moulding requirement, therefore, adopt the cross sectional shape of its variation of member of this fabrication techniques that more rational mechanical property is arranged the sheet material longitudinal variable cross-section.

3, the present invention has improved the range of work that product quality has enlarged product, and is easy to operate, safe and reliable.

Description of drawings

Fig. 1 is the front view of double-shaft and variable-cross section roll forming machine of the present invention;

Fig. 2 is the left view of double-shaft and variable-cross section roll forming machine of the present invention;

Fig. 3 is the vertical view of double-shaft and variable-cross section roll forming machine of the present invention.

Among the figure: the 22-screw I 23-flange 24-dead eye 25-diameter of axle 26-mobile motor 27-rotary electric machine of 1-motor 2-bearing block 3-frame 4-format roll 5-support set 6-dog screw 7-hold-down screw 8-eccentric shaft 9-connecting rod 10-bearing pin 11-nut I 12-leading screw I 13-slide plate 14-guide rail 15-nut II 16-leading screw II 17-screwed hole II 18-through hole II 19-through hole I 20-screwed hole I 21-frame hole

The specific embodiment

Below in conjunction with drawings and Examples the present invention is described further.

As shown in Figure 1, make-up machine of the present invention comprises motor 1, guide rail 14, support, and support comprises bearing block 2, frame 3, format roll 4, support set 5.

As shown in Figure 2, bearing block 2 end faces are threaded hole 20, and the flange 23 of support set 5 has through hole 18, and screw is screwed into by the through hole 19 on the flange 23 of support set 5 and forms the bearing block 2 that has support set 5 in the screwed hole 20 of bearing block 2.Support set 5 is for the part of bearing block 2 and have flange 23, support set 5 is inserted in the hole 21 of frame 3, the two forms rotary pair, have through hole 18 on the flange 23 of support set 5, frame 3 contacts with support set 5 flanges 23 is partly with screwed hole 17, dog screw 6 is connected with screwed hole 17 on the frame 3 by the through hole 18 on the flange 23 of support set 5, to realize the location between support set 5 and the frame 3.Bearing block 2 has dead eye 24, and format roll 4 has the diameter of axle 25, forms the rotary pair of 4 of bearing block 2 and format rolls in the dead eye 24 of the diameter of axle 25 insertion bearing blocks 2 of format roll 4.Hold-down screw 7 is fixed on eccentric shaft 8 on the frame 3, and when eccentric shaft 8 revolutions, it drives frame 3 revolutions, thereby makes the support revolution.

As Fig. 2, shown in Figure 3, the support bottom has slide plate 13, slide plate is bearing on the guide rail 14, travelling nut II 15 and eccentric shaft 8 with leading screw II 16 sockets are housed respectively below the slide plate 13, eccentric shaft 8 is hinged with connecting rod 9, connecting rod 9 is connected by bearing pin 10 with the rotating nut I 11 that has galianconism on being socketed in leading screw I 12, mobile motor 26, rotary electric machine 27 drives leading screw II 16 and leading screw I 12 respectively, leading screw II 16 and nut II 15 constitute the worm drive that support is moved, leading screw I 12 and nut I 11 constitute the worm drive that supports rotate, and two kinds of worm drive not only can produce support and move but also can produce rotation around vertical direction along the leading screw axis direction.When two leading screws, 16,12 constant speed are rotated, realize moving of support; When two leading screws, 16,12 friction speeds rotated, that realizes support mobilely added rotation.

Mobile driving mechanism drives support by leading screw II, travelling nut II and moves, support is as the revolution bearing pin of crank hinge, form slider-crank mechanism between rotating drive mechanism and support, rotating nut I rotates support as actuator by slider-crank mechanism, and whole device constitutes the variable cross-section roller bending and shaping machine that twin shaft drives.

In forming process, by support move horizontally with around the rotation of vertical direction, can realize moulding requirement to the sheet material longitudinal variable cross-section.

Claims

1. double-shaft and variable-cross section roll forming machine, it is characterized in that, comprise support, be connected the motor on the support, guide rail, and be connected and make driving mechanism that support rotates around vertical direction and the driving mechanism that support is moved horizontally between support and the guide rail, the described driving mechanism that support is rotated around vertical direction comprises the leading screw I (12) and nut I (11) that connects together, the described driving mechanism that support is moved horizontally comprises the leading screw II (16) and nut II (15) that connects together, described support bottom is provided with slide plate (13), slide plate (13) is supported on the guide rail (14), the nut II (15) and the eccentric shaft (8) that are connected with leading screw II (16) are housed respectively below the slide plate (13), eccentric shaft (8) is hinged with connecting rod (9), connecting rod (9) is connected by bearing pin (10) with nut I (11), nut I (11) and leading screw I (12) form screw thread pair, mobile motor I (26), rotary electric machine II (27) respectively with leading screw II (16), leading screw I (12) connects, described nut I (11) is for having the nut of galianconism, described support comprises bearing block (2), frame (3), format roll (4), support set (5), be connected with motor (1) on the end face of bearing block (2), described bearing block (2) tightens intrinsic support set (5), support set (5) inserts the middle rotary pair that forms in hole (21) of frame (3), and format roll (4) inserts the middle rotary pair that forms between bearing block (2) and format roll (4) of dead eye (24) of bearing block (2).

2. double-shaft and variable-cross section roll forming machine according to claim 1, it is characterized in that, described bearing block (2) end face is threaded hole I (20), support set (5) has through hole I (19), and screw (22) is screwed into the middle bearing block (2) that has support set (5) that forms of screwed hole (20) of bearing block (2) by the through hole I (19) of support set (5).

3. double-shaft and variable-cross section roll forming machine according to claim 2, it is characterized in that, described support set (5) has flange (23), have through hole II (18) on the flange (23), frame (3) contacts with support set (5) flange (23) is partly with screwed hole II (17), and dog screw (6) is connected with screwed hole II (17) on the frame (3) by the through hole II (18) on support set (5) flange (23).