CN103357713A

CN103357713A - Arc-bending device

Info

Publication number: CN103357713A
Application number: CN2013103056339A
Authority: CN
Inventors: 顾玉美
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-07-22
Filing date: 2013-07-22
Publication date: 2013-10-23

Abstract

The invention provides an arc-bending device. The arc-bending device comprises a base, as well as a cylinder, a pressing frame and a locking part which are arranged on the base, wherein the cylinder is fixedly arranged on the surface of the base; the pressing frame is connected with the base, the rack body at the joint of the pressing frame and the base is defined as a rotating shaft, and the pressing frame can turn over by taking the rotating shaft as the axis; the locking part is arranged on the rotating shaft and can be propped against the rotating shaft. Compared with the prior art, the arc-bending device provided by the invention has the technical benefits that as a metal plate to be processed is in natural fit with the surface of the cylinder, on one hand, the bending positioning is more accurate, the formed arc surface is even and smooth, and the surface of the metal plate can not be damaged; on the other hand, the forming mode that the metal plate to be processed is in natural fit with the surface of the cylinder ensures the size consistency of a plurality of arc surfaces, and the simple mechanical structure and procedures also greatly improve the production efficiency and lower the manufacturing cost.

Description

Folding arc device

Technical field

The present invention relates to the panel beating field, relate in particular to a kind of folding arc device for metal blank folding circular arc.

Background technology

Panel beating is for a kind of comprehensive cold machining process of sheet metal (usually below 6mm), comprises cutting, rushing/cut/compound, folding, welding, riveted joint, splicing, moulding (such as body of a motor car) etc.Its significant feature is exactly the Same Part consistency of thickness.In the metal blank process engineering of reality, usually according to building or structural requirement, need to be with the bending of sheet metal plate.

In the metal blank bending technique, comparatively special with metal blank folding circular arc technique again.In this technique, require sheet metal is bent into arc surface, and require cambered surface smooth, and plate surface is stressed evenly, the bending position accurate positioning, and the panel surface behind the folding circular arc is level and smooth, not fragile.

In the prior art, the difficult point of above-mentioned metal blank folding circular arc technique is the crooked place location difficulty.In the existing technique, the general technology workman is by some instruments, finish the location work of metal blank, positioning requirements compared to sheet metal is passed through the positioning of tool method like this because multiple artificial operation factors, obviously can't reach the workpiece that processes and bend the size angle always, and because skilled worker's application of force is uneven, by comparatively serious to the damage of material surface in processing folding circular arc process, and manually-operated production efficiency can not be guaranteed.

It is worth mentioning that, also can use large-scale bending equipment in the actual production, this equipment precision is high, and mechanically actuated avoided manually-operated to cause the asymmetric problem of processing work, and operating efficiency has obtained lifting by a relatively large margin.But such equipment cost that is equipment own also or the processing technology cost is all higher, obviously is not suitable for the production and processing of medium-sized and small enterprises.

In view of this, should provide a kind of does not increase production cost when can guarantee the circular arc quality, and can increase substantially the folding circular arc device of production efficiency.

Summary of the invention

The purpose of this invention is to provide does not a kind ofly increase production cost when can guarantee the circular arc quality, and can increase substantially the folding arc device of production efficiency.

According to an aspect of the present invention, provide a kind of folding arc device.Device comprises pedestal and is arranged at cylinder on the pedestal, presses frame and tight lock part; Press frame and pedestal to join, press the support body of frame and pedestal junction to be defined as rotating shaft, pressing frame can rotating shaft be the axle center upset; Tight lock part is arranged in the described rotating shaft, and tight lock part can support and be located in the rotating shaft, and pedestal one side convexes with connecting portion, presses frame to be connected and fixed by connecting portion and pedestal, and connecting portion comprises the connector of two symmetries, and the connector surface offers the first through hole.The connector surface offers the first through hole, and the size of the first through hole and pressure frame support body consistent size in assembling process, are pressed frame can pass the first through hole, and fixed and be limited in connecting portion.

In some embodiments, tight lock part comprises clamping screw, lock nut and catch, and clamping screw bolt head passes rotating shaft.In the assembling process, successively lock nut and catch are arranged on the clamping screw, the clamping screw that will be equipped with again locking nut and catch passes the second screw and is arranged in the rotating shaft, screw at last locking nut and make it be pressed on the catch surface, thereby so that clamping screw fix.

In some embodiments, press frame to comprise and press the frame body and be arranged at the depression bar of pressing on the frame body, pressing the frame body is frame structure, presses the frame body surface to form the room, and the shape and size in room are all corresponding with the shape and size of cylinder.In process, press frame to overturn take rotating shaft as the axle center, when pressing frame to turn near the cylinder place, then cylinder can pass the room, makes the pressure frame can continue upset and fits as for seat surface.

Compared to prior art, useful technique effect of the present invention is that metal blank to be processed and drum surface are fitted naturally, on the one hand can be so that the bending location be more accurate, and the arc surface that forms is evenly level and smooth, and can be to metal blank surface injury; On the other hand, above-mentioned molding mode of naturally fitting with cylinder also can guarantee a plurality of arc surface consistent size, and simple frame for movement and operation have also improved production efficiency greatly, have reduced manufacturing cost.

Description of drawings

Fig. 1 is the structural representation of folding arc device in an embodiment of the present invention.

The specific embodiment

Below in conjunction with drawings and the specific embodiments the present invention is described in further detail explanation.

Folding arc device during Fig. 1 has schematically shown according to an embodiment of the present invention.As shown in the figure, device 1 comprises pedestal 10, cylinder 20, presses frame 30, connecting portion 40 and tight lock part 50.Cylinder 20 is fixed in an end of pedestal 10, and the end that pedestal 10 is provided with cylinder 20 is provided with connecting portion 40, presses frame 30 to be connected with pedestal 10 by connecting portion 40, presses frame 30 to be fixed with tight lock part 50 near on the side frame body of pedestal 10.Press frame 30 fixing by connecting portion 40, and press frame 30 to be limited in connecting portion 40, and can above pedestal 10, overturn.

In this embodiment of the present invention, pedestal 10 is " recessed " font, and pedestal 10 can weld or be one-body molded, and pedestal 10 is positioned at device 1 bottom, and pedestal 10 plays a supportive role when device 1 leaves standstill; In pressing frame 30 work switching processes, position-limiting action is played on pedestal 10 surfaces.Pedestal 10 comprise the seat end 11 of bottom and be symmetricly set at the bottom of the seat surface 13 of 11 surperficial both sides.

Be fixed with cylinder 20 on the pedestal 10 surperficial side seat surfaces 13, leave the space (not shown) between cylinder 20 and the seat surface 13, when metal blank to be processed is arranged on the pedestal 10, can be arranged in the space.Pedestal 10 1 side seat surfaces 13 convex with connecting portion 40 away from an end of pedestal 10.Connecting portion 40 comprises the connector 41 of two symmetries, connector 41 surfaces offer the first through hole (not shown), the size of the first through hole (not shown) and pressure frame 30 support body consistent size, in assembling process, press frame 30 can pass the first through hole (not shown), and fix and be limited in connecting portion 40.One end of pressing frame 30 to be connected with connecting portion 40 defines a rotating shaft 43, and pressing frame 30 can rotating shaft be the axle center upset.

Pressing frame 30 be frame structure, comprises pressing frame body 31 and depression bar 33, depression bar 33 to be arranged on the pressure frame body 31 on the side frame body relative with rotating shaft 43.Press frame body 31 surfaces to comprise a room 311, the shape and size in room 311 are all corresponding with the shape and size of cylinder.In process, press frame 30 to overturn take rotating shaft 43 as the axle center, when pressing frame 30 to turn near cylinder 20 places, then cylinder 20 can pass room 311, makes pressure frame 30 can continue upset and fits as for seat surface 13.

Rotating shaft 43 centers offer the second through hole (not shown), and tight lock part 50 passes the second through hole (not shown) and rotating shaft 43 is fixing.Tight lock part 50 comprises a clamping screw 51, lock nut (not shown) and catch 55.Clamping screw 51 sectional dimensions are consistent with the opening size of the second through hole (not shown), make clamping screw 51 can wear the second through hole (not shown).Be equipped with lock nut (not shown) and catch 55 on clamping screw 51 keys.In the assembling process, successively lock nut (not shown) and catch 55 are arranged on the clamping screw 51, the clamping screw 51 that will be equipped with again lock nut (not shown) and catch 55 passes the second through hole and is arranged in the rotating shaft, screw at last the lock nut (not shown) and make it be pressed on catch 55 surfaces, thereby so that clamping screw 51 is fixing.

The present invention in process of production, metal blank to be processed is positioned on pedestal 10 surfaces, pass behind the space of 13 of cylinder 20 and seat surfaces crooked, and walk around cylinder 20, because metal self stress is installed with in pressing frame 30 on a bogie side frame face of pedestal 10, and be limited in and press frame 30, then clamping screw 51 is screwed, make an end of clamping screw 51 to being located in panel surface and the rotating shaft 43, finish the metal blank location.At this moment, the operator holds and puts depression bar 33, and apply power towards pedestal 10 surfaces to depression bar 33, then be installed with this moment in pressing metal blank to be processed on frame 30 1 side surfaces to be subject to pressing down towards the power on pedestal 10 surfaces, when touching cylinder 20 surface, metal blank to be processed is crooked, and is rear along cylinder 20 surface formation arc surfaces, and final and cylinder 20 surface applyings, and form level and smooth arc surface on the metal blank the most to be processed.

Compared with prior art, beneficial effect of the present invention is, fits naturally in metal blank to be processed and cylinder 20 surfaces, on the one hand can be so that the bending location be more accurate, and the arc surface that forms is evenly level and smooth, and can be to the surperficial injury of metal blank; On the other hand, above-mentioned molding mode of naturally fitting with cylinder 20 also can guarantee a plurality of arc surface consistent size, and simple frame for movement and operation have also improved production efficiency greatly, have reduced manufacturing cost.

Be to be understood that, although this specification is described according to embodiment, but be not that each embodiment only comprises an independently technical scheme, this narrating mode of specification only is for clarity sake, those skilled in the art should make specification as a whole, technical scheme among each embodiment also can through appropriate combination, form other embodiment that it will be appreciated by those skilled in the art that.

Above listed a series of detailed description only is specifying for feasibility embodiment of the present invention; they are not to limit protection scope of the present invention, all do not break away from equivalent embodiment of the present invention or the change all should be included within protection scope of the present invention.

Claims

1. folding arc device is characterized in that, device comprises pedestal (10) and is arranged at cylinder (20), pressure frame (30) and tight lock part (50) on the described pedestal (10); Described pressure frame (30) joins with described pedestal (10), and described pressure frame (30) is defined as rotating shaft (43) with the support body of described pedestal (10) junction, and described pressure frame (30) can described rotating shaft (43) be the axle center upset; Described tight lock part (50) is arranged in the described rotating shaft (43), described tight lock part (50) can support and be located in the described rotating shaft (43), described pedestal (10) one sides convex with connecting portion (40), described pressure frame (30) is connected and fixed by described connecting portion (40) and described pedestal (10), described connecting portion (40) comprises the connector (41) of two symmetries, and described connector (41) surface offers the first through hole (not shown).

2. folding arc device according to claim 1, it is characterized in that, described tight lock part (50) comprises clamping screw (51), lock nut (53) and catch (55), and described clamping screw (51) bolt head passes described rotating shaft (43).

3. folding arc device according to claim 1, it is characterized in that, described pressure frame (30) comprises presses frame body (31) and is arranged at depression bar (33) on the described pressure frame body (31), described pressure frame body (31) is frame structure, described pressure frame body (31) surface forms room (311), and the shape and size of described room (311) are all corresponding with the shape and size of described cylinder (20).