CN2604254Y

CN2604254Y - Edge flanging & press joining device for forming metal hollow tube

Info

Publication number: CN2604254Y
Application number: CN 03204601
Authority: CN
Inventors: 张瑞芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-02-25
Filing date: 2003-02-25
Publication date: 2004-02-25
Anticipated expiration: 2013-02-25

Abstract

The utility model discloses a curling and pressing device for formed metal hollow tube, consisting of a fixing pedestal, the fixing pedestal is assembled and connected upward with a first actuating component and a second actuating component according to the sequence. The two actuating components has the characteristic of elastic restoration, the top two sides of the fixing pedestal are respectively arranged with a convex part and a concave part, the bottom two sides of the first actuating component are provided with a convex part and a concave part; when the metal plate is curled, meanwhile, the upper edge and the lower edge are incurved guiding angle, through the pressing of the first actuating component, the convex part and the concave part are combined and extrude the two sides of the metal plate to be curled, then the metal plate with the two hems are buckled is provided on the top surface of the second actuating component, the two hems and the second actuating component are impacted by using the downward pressing of the pressure head, the two hems are pressed and closely connected with each other, thus the metal plate forming forms a hollow tube, because the curling and the pressing are completed in the same device, the cost of production equipment can be effectively saved, further more, because the incurve guiding angle is pre-formed, the curling-lip movement of the upper edge and lower edge of the hollow tube can be smoothly finished, the manufacture forming passing rate of the metal hollow tube is raised.

Description

The flanging of forming metal hollow and press fit device

Technical field

The utility model relates to a kind of flanging and press fit device of forming metal hollow, the flanging and the pressing that are particularly related in the metal hollow forming process can be finished at same device, and the volume lip on hollow upper and lower end limit is made into smoothly, improves the technology of hollow production qualification rate.

Background technology

The forming process of known metal (as stainless steel, iron) hollow as shown in Figure 1, give flanging 101 prior to metallic plate 10 two ends, continuous that metallic plate 10 is curling, pressing is smooth in addition after making two flangings, 101 mutual hasps again, make it to become hollow 20 (as shown in Figure 2), for hollow 20 upper and lower end limit acute angles are hurted sb.'s feelings, therefore must give toward involute lip A (as shown in Figure 3); Yet this kind metal hollow molding mode is not attained perfect, exists following shortcoming:

One, hollow 20 upper and lower end limits are when moulding volume lip A, there is no the structure of guiding in advance, when the upper and lower end limit is shaped to volume lip A by vertical shape, volume lip A moulding applied force amount can't be born in this upper and lower end limit, so that the upper and lower end limit often has the situation of deformed damaged to take place, the qualification rate of moulding volume lip A is very low, can't make the metal hollow fast.

Two, metallic plate 10 carries out the action of flanging 101 and pressing, is separately undertaken by two facility, separately purchases two facility, causes the cost of production equipment very high.

Summary of the invention

Main purpose of the present utility model, a kind of flanging and press fit device of forming metal hollow are provided, by first bolt pass from lower to upper holder again with the first actuated piece interlocking, group is provided with first spring between the holder and first actuated piece, first actuated piece then wears and winding second actuated piece by latch, first, be provided with second spring between second actuated piece, the joint of the holder and first actuated piece has protuberance and recess respectively, be curled and on, the limit, lower end is by the metallic plate of interior curved lead angle, can be earlier by the involutory extrusion of protuberance and recess, the metallic plate two side ends is converted into flanging, inferior metallic plate behind the mutual hasp of two flangings is placed the second actuated piece end face, and it is imposed press down impulsive force, two flangings are closely connected by pressing, then internally curved at last lead angle is pressed and moulding volume lip, and the volume lip can be guided and moulding smoothly by interior curved lead angle, effectively improves the production qualification rate of metal hollow.

Secondary objective of the present utility model is the moulding flanging of aforementioned metal hollow and the pressing behind the two flangings fastening, is finished by same device, can save the acquisition cost of production equipment.

For achieving the above object, the utility model provides a kind of flanging and press fit device of forming metal hollow, includes:

One holder, its end face central authorities establish a fluting, and the both sides, top respectively form protuberance and recess, and the fluting bottom surface runs through downwards that establish can be for inserting first spring with perforation:

One first actuated piece, establish into fluting its bottom, the bottom surface is connected to the first spring top, and pass holder from lower to upper with first bolt and be spirally connected with first actuated piece again, end face is provided with a groove and a holding tank that communicates, the groove bottom surface is established shrinkage pool and is organized according to this into second spring, and the both sides, bottom form recess and protuberance respectively;

One second actuated piece, it is provided with strip hole, and the second actuated piece group is gone into groove, wears group second actuated piece and strip hole by latch again, second spring and contact second actuated piece up;

One base, it gives interlocking in the holder bottom surface by second bolt, and the first spring bottom is resisted against base top surface, can ccontaining first bolt thereby in addition be provided with depressed part in base top surface;

During enforcement, be curled and on, down by the metallic plate of interior curved lead angle, its two side ends is posted by the first actuated piece two bottom sides, impact second actuated piece downwards with staking punch, actuating first actuated piece descends, make the involutory extrusion metal plate of protuberance and recess two side ends form flanging, staking punch rises and resets, first, second actuated piece with on move and reset, metallic plate after two flangings are fastened mutually places the second actuated piece end face, staking punch dashes two flangings and second actuated piece down and makes it to descend, two flangings are connected by tight pressing, and the flanging of below just can be located in the holding tank, staking punch is risen reset, second actuated piece with on move and reset, it is hollow tube-shape that metallic plate is connected moulding.

Below in conjunction with drawings and Examples, structure of the present utility model and advantage thereof are further described.

Description of drawings

Fig. 1: known molding mode process schematic diagram.

Fig. 2: the profile of known moulding hollow.

Fig. 3: common metal hollow upper and lower end limit must be the profile of volume lip.

Fig. 4: three-dimensional exploded view of the present utility model.

Fig. 5: combination stereogram of the present utility model.

Fig. 6: combination section and the action diagram of the utility model embodiment.

Fig. 7: the metallic plate stereogram that the utility model is curled.

Fig. 8: the profile of the utility model moulding hollow.

Fig. 9,10: the action diagram of the utility model flanging.

Figure 11,12: the action diagram of the utility model pressing.

The specific embodiment

At first, see also shown in Fig. 4,5,6, the utility model includes whole the composition:

One holder 1, its end face central authorities form a fluting 11, and the both sides, top respectively have protuberance 12 and recess 13, and 11 bottom surfaces of slotting have provided perforation 14 downwards for inserting the first spring S1;

One first actuated piece 2, its bottom group is gone into fluting 11, the bottom surface then is connected to the first spring S1 top, and pass holder 1 from lower to upper and be spirally connected with first actuated piece 2 by the first bolt N1, end face then is provided with a groove 21 and a holding tank 22 that is connected, the both sides, bottom have recess 23 and protuberance 24 respectively, and groove 21 bottom surfaces are provided with shrinkage pool 25 and organize according to this and go into the second spring S2;

One second actuated piece 3, it is provided with strip hole 31, thereby can work as second actuated piece 3 when establishing into groove 21, wear group second actuated piece 3 and strip hole 31 by latch 32, the second spring S2 and up permanent top second actuated piece 3, make strip hole 31 be foundation by latch 32, press down the action of rising and resetting immediately again;

One base 4, its top reclines for holder 1 bottom surface, utilize the second bolt N2 to give interlocking firm banking 4 and holder 1 again, base 4 end faces then supply the first spring S1 bottom against, and the first spring S1 top is connected to first actuated piece, 2 bottom surfaces, make first actuated piece, 2 perseverances by first spring S1 pushing tow up, after first actuated piece 2 is depressed, the power that release presses down, 2 of first actuated pieces are risen by the first spring S1 pushing tow and reset, and base top surface is provided with depressed part 41, can be when first actuated piece 2 carry the first bolt N1 and is shifted up and down, and depressed part 41 can ccontaining first bolt N1 displacement (as shown in Figure 6).

During enforcement; be curled and on; the lower end is by the metallic plate 5 (as shown in Figure 7) of interior curved lead angle 51; its two side ends is posted by first actuated piece, 2 two bottom sides; staking punch 6 with press impacts second actuated piece 3 downwards; actuating first actuated piece 2 also descends; and make protuberance 12; 24 with recess 23; 13 involutory extrusion metal plate 5 two side ends form flanging 52 backs (as Fig. 9; shown in Figure 10); 6 rising homings of staking punch; first; second actuated piece 2; 3 also with on move and reset; continue the metallic plate 5 behind two flangings, the 52 mutual hasps is placed second actuated piece, 3 end faces; staking punch 6 impacts two flangings 52 downwards and second actuated piece 3 makes it to descend; thereby two flangings 52 are by closely pressing; and the flanging 52 of below just can be placed in the holding tank 22 (as Figure 11; shown in Figure 12); making staking punch 6 rise again resets; 3 of second actuated pieces with on retract reposition; it is last that thereby metallic plate 5 is connected moulding; the hollow tube-shape (as shown in Figure 8) of curved lead angle 51 in the lower end has; last internally curved lead angle 51 imposes the power of pressing and is shaped to volume lip A (as shown in Figure 3); and then finish the manufacturing moulding of bulk metal hollow, the slick and sly surface of volume lip A then can protect human body to exempt to be hurt.

The gross differences of the utility model and known molding mode makes the utility model obviously produce following progressive:

One, make the metal hollow that connection is finished, its upper and lower end has ready-made interior curved lead angle 51, can guide moulding volume lip A smoothly, and the probability that volume lip A is made into is quite high, effectively improves the production qualification rate of metal hollow.

Two, owing to make the flanging 52 of forming metal hollow and the pressing action behind two flangings, 52 fastenings, finish, exempt the situation that known person purchases folding brake and pressing machine simultaneously, effectively save the acquisition cost of production equipment at the same device of the utility model.

In sum, the utility model really can reach desired application target and effect, and more known person is progressive practical; The utility model is not more seen the ware that same characteristic features is arranged before application, be the initiative of space kenel.

Claims

1. the flanging of a forming metal hollow and press fit device is characterized in that including:

One base, it gives interlocking in the holder bottom surface by second bolt, and the first spring bottom is resisted against base top surface, can ccontaining first bolt thereby be provided with depressed part in base top surface in addition.