CN2757960Y

CN2757960Y - Mould assemblage for metal can body edge turnup and shaping

Info

Publication number: CN2757960Y
Application number: CN 200420046757
Authority: CN
Inventors: 林秋雄
Original assignee: XINYI MACHINERY FACTORY CO Ltd SHANTOU
Current assignee: XINYI MACHINERY FACTORY CO Ltd SHANTOU
Priority date: 2004-06-04
Filing date: 2004-06-04
Publication date: 2006-02-15
Anticipated expiration: 2014-06-04

Abstract

The utility model relates to a mould assembly for the flanging and the shaping of a metal can body. The utility model is composed of a mould component used for carrying out mould shaping to a can cylinder, and a driving component connected with the mould component. The utility model is characterized in that the driving component is a driving shaft component used for driving the mould component to turn. The mould component and the driving shaft component are mutually connected by the axial end surfaces of the mould component and the driving shaft component respectively; the axis of the mould component and the axis of the driving shaft component are crossed to form a set included angle, namely that the respective axes are not in a state, but are crossed to form a certain angle. The utility model orderly accomplishes shaping actions on the open end of a can cylinder in a point-to-point shaping mode by the asymmetric eccentric rotating state in the process of the rotation of the mould component, so the excess deformation and even the damage to the can cylinder, which are caused by the exerted excess external force are avoided; the utility model can be suitable for flanging and shaping processing to a thin-wall can cylinder with low strength.

Description

The die assembly that the moulding of a kind of metal can flange is used

Technical field

The utility model belongs to a kind of work assembly of can making machinery, especially the die assembly of using about a kind of flange moulding of metal can.

Background technology

The flange technology of just present common metal tank body, it mainly is to utilize preformed to have the columnar mould of suitable shape to stretch in the open port of tubulose jar tube to be processed, and mould is moved axially along the jar tube, utilize this pressure external force to force jar open port profile predetermined along with mold shape is formed as of tube, this flange technology is No. 313018 novel patent " structure-improved of can body necking down hemmer " just like the contained publication number of Taiwan patent gazette.

Prior art is utilized jar axial holding capacity of tube, the mould brute force is stretched in jar open ora terminalis of tube, and make jar open ora terminalis of the tube position, limit of throwing outside therefore being molded into by the big external diameter of mould, but the prerequisite of its machine-shaping is a jar tube itself need have enough thickness to bear molding pressure, could in the process of machine-shaping, can bear externally applied forces, be unlikely to be out of shape and finish the process of flange moulding.Because the continuous development of technology and the variation of the market demand, the thickness of jar tube thins down at present, and the too little meeting of thickness of jar tube causes its insufficient strength and produce excessive deformation when molded and shaped, if adopting prior art carries out molded and shaped to the thin excessively jar tube of wall thickness, because product percent of pass is low excessively, can't carry out actual production at all.

Summary of the invention

The jar tube that can not adapt to thin-walled for the existing metal can flange forming mould that overcomes carries out the flange processing and forming, causes a jar tube originally to produce excessive deformation in the flange forming process, the purpose of this utility model provides the die assembly that the moulding of a kind of improved metal can flange is used, it carries out the flange processing and forming by rotation mode to the jar tube of thin-walled, makes the thin-walled can tube can not produce excessive deformation in the flange forming process.

The technical scheme that its technical problem that solves the utility model adopts is: the die assembly that a kind of flange moulding of metal can is used, being used for that by one the jar tube is carried out molded and shaped mold members constitutes with a driving member that is connected with mold members, it is characterized in that: described driving member is one to be used to drive the drive shaft members that mold members is rotated, and mold members and drive shaft members are to interconnect with the one axial end respectively and the axis of mold members and the axes intersect of drive shaft members constitute an angle of setting.

The axis of above-mentioned so-called mold members and the axes intersect of drive shaft members constitute an angle of setting, and are exactly after mold members and drive shaft members interconnect, and axis separately is not to be in coaxial state, but is crossed as certain angle.This angle yes greater than 0 ° less than 180 °, but generally be very little angle.

The realization of this angle can be by the interconnecting in the end face at least one and be connected end face and be set to inclined end face of mold members and drive shaft members, and so-called inclined end face is exactly that this end face and its place member axis constitute non-perpendicular relation.

The beneficial effects of the utility model are: because mold members is connected its axis of back with drive shaft members and the mold members axis is crossed as certain angle, therefore, when drive shaft members drives the mold members rotation, mold members is not the axis rotation around self, but rotate around the axis of drive shaft members, just the rotation that forms mold members thus presents asymmetric eccentric rotation status, the die assembly that the flange moulding is used utilizes this principle to finish the moulding action with mould rotation pointwise molding mode in regular turn at the open ora terminalis of jar tube exactly, rather than prior art is like that with the whole moulding simultaneously of the open ora terminalis of jar tube, thereby the flange shaping mechanism just can be avoided causing jar excessive deformation even the damage of tube because of applying excessive external force, so just can adapt to the low excessively thin-walled can tube of intensity is carried out the flange processing and forming.

Description of drawings

Below in conjunction with drawings and Examples the utility model is done to describe more specifically.

Fig. 1 is the cross-sectional schematic of a kind of embodiment of the utility model.

Fig. 2 is the schematic diagram of the another kind of state of Fig. 1.

Fig. 3 is the schematic diagram of a kind of occupation mode of the utility model.

Among the figure: 1, jar tube; 2, mold members; 3, drive shaft members; 4, mold members end face (joint pin inclined end face); 5, drive shaft members end face (column sleeve end face); 6 mold members axis; 7, drive shaft members axis; 8, main body; 9, mold section position; 10, joint pin; 11, bearing; 13, closure member; 14, bolt; 15, circular orientation plate; 16, bolt; 17, the transmission body of rod; 18, column sleeve; 19, bolt; 21, bolt; 22, flange forming machine.

The specific embodiment

With reference to Fig. 1, the die assembly that the flange moulding of this metal tank body is used, being used for that by one jar tube 1 is carried out molded and shaped circular die spare 2 constitutes with a driving member that is connected with mold members 2, it is characterized in that: described driving member is one to be used to drive the drive shaft members 3 that mold members 2 is rotated, and mold members 2 and drive shaft members 3 interconnect with one

axial end

4,5 respectively and the axis 7 of the axis 6 of mold members 2 and drive shaft members 3 intersects and constitutes angle theta of setting.

Mold members 2 is parts, its structure comprises: the main body 8 of a hollow, all side rings of main body 8 axial ends are provided with mold section position 9, the shape of mold section position 9 is stepped usually, in order to by the surface of mold section position 9 the open ora terminalis of jar tube is carried out to type processing, the related content back is introduced in detail again; One joint pin 10, joint pin 10 stretches into the end port of not establishing mold section position 9 of one end from main body 8 in main body 8 center cavities along axis direction, and joint pin 10 is hinged by bearing 11 and main body 8 center cavities, the axis direction other end of joint pin 10 protrudes in outside the main body 8, joint pin 10 jags have the external diameter bigger than its hinged end, and the end face of joint pin 10 jags is one to be connected end face 4 with inclined end face, inclined end face that its axis constitutes non-perpendicular relation constitute mold members 2; One is step-like closure member 13, and closure member 13 correspondences are placed through in the another port of main body 8 center cavities, and fixedly connected with an end of joint pin 10 axis directions by bolt 14; One circular orientation plate 15, circular orientation plate 15 are placed on the joint pin 10, and circular orientation plate 15 internal diameters are littler than the external diameter of joint pin 10 jags, and circular orientation plate 15 is fixedlyed connected with main body 8 by bolt 16.Closure member 13 and circular orientation plate 15 make that the articulated structure between main body 8 and the joint pin 10 is more stable, are not easy to get loose.

Drive shaft members 3 is parts, and its structure comprises: the transmission body of rod 17 in order to transferring power; One column sleeve 18, column sleeve 18 stretches into the one end along axis direction in the axial blind hole of drive shaft members 3 one ends, and with bolt 19 column sleeve 18 and the transmission body of rod 17 are done coaxial being connected and fixed, the external diameter of the other end of column sleeve 18 axis directions than be matched with axial blind hole partly be greatly and the bigger end end face of external diameter of column sleeve 18 be one with the end face formation drive shaft members 3 of the vertical plane of its post line, this column sleeve 18 be connected end face 5.

Mold members 2 and drive shaft members 3 are when being connected, be that inclined end face 4 correspondences are fitted on the end face 5 of column sleeve 18, interconnect the big external diameter position of joint pin 10 and the big external diameter position of column sleeve 18 fixing with bolt 21 again, inclined end face 4 amplexiforms with axial perpendicular end surface 5, makes the axis 6 of mold members 2 and the axis 7 of drive shaft members 3 intersect the angle theta that constitute a setting.So that the jar tube to thin tank skin carries out the flange processing and forming, below will the flange moulding action of reality be described in detail again.

Before describing the moulding action, need illustrate earlier, because mold members 2 is connected with drive shaft members 3 between both axis of back and has a suitable low-angle angle, therefore, order about mold members 2 when drive shaft members 3 transferring power and be rotated when action, mold members 2 is not serve as a spinning movement with axis 6 itself, but serve as an axle spinning movement with the axis 7 of drive shaft members 3, just cause the rotation of mold members 2 to present asymmetric eccentric rotation status thus, change an angle, the mold section position 9 of mold members 2 can produce the difference of outermost point and innermost point when rotated, and prior art does not then have such difference.

With reference to Fig. 2, it is the state of Fig. 2 that the mold members 2 of Fig. 1 is rotated half cycle, and wherein the axis 6 of mold members 2 becomes the state that is tilted to the right of Fig. 2 from the state of being tilted to the left of Fig. 1.

With reference to Fig. 3, the die assembly that the flange moulding of this metal tank body is used, be to utilize the power of existing general flange shaping mechanism and the technology that jar tube transports the location during use, therefore relevant this prior art partly will be described no longer in addition at this, and the die assembly that the flange moulding is used is further described the action of jar tube moulding again below:

The die assembly that the flange moulding is used is when carrying out the flange processing and forming to the jar tube, can be as shown in Figure 3, the die assembly that two flange moulding are used is divided into up and down on the existing flange forming machine 22 accordingly, and utilize an available dynamic transmission and a jar tube to transport location technology, make that the open port at two ends is corresponding with the die assembly that the two flange moulding that are positioned at upper and lower are used respectively at the bottom of the top of tubulose jar tube, and the two corresponding main bodys 8 that make die assembly fit into respectively in jar opening ora terminalis of tube, like this when main body 8 rotations, two mold section positions, 9 outermost point are oppressed jar working position of the corresponding sidewall at the two ends up and down of tube simultaneously, make this position tank skin be forced to mold outer shape of lifting, then, main body 8 continues rotation under power drive, its eccentric motion changes the outermost point position in regular turn along the annular trace that rotates and advances, and when changing, the different parts of the open ora terminalis of jar tube imposed and extend out the flange action of raising, thus, after carrying out a circle spinning movement, main body also finished the two ends flange processing of jar tube simultaneously.

What need statement is; above-mentioned drive shaft members that adopts and mold members form predetermined angle on intersection axis structure is a kind of embodiment of the present utility model; in every case be the non-coaxial state technology that drive shaft members and mold members produce angle in the axial direction, all should belong to protection domain of the present utility model.

Claims

1, the die assembly used of a kind of metal can flange moulding, being used for that by one the jar tube is carried out molded and shaped mold members constitutes with a driving member that is connected with mold members, it is characterized in that: described driving member is one to be used to drive the drive shaft members that mold members is rotated, and mold members and drive shaft members are to interconnect with the one axial end respectively and the axis of mold members and the axes intersect of drive shaft members constitute an angle of setting.

2,, it is characterized in that interconnecting in the end face at least one and being connected end face and being set to inclined end face of described mold members and drive shaft members by the described die assembly of claim 1.

3, by claim 1 or 2 described die assemblies, it is characterized in that described mold members comprises the main body of a hollow, one joint pin, one is a step-like closure member and a circular orientation plate, body shaft is provided with the mold section position to all side rings of an end, joint pin stretches into the end port of not establishing mold section position of one end from main body in the main center chamber along axis direction, joint pin is hinged by bearing and main center chamber, the axis direction other end of joint pin protrudes in outside the main body, and the end face of jag is an inclined end face, closure member is placed through in the another port in main center chamber, and fixedly connected with an end of joint pin axis direction by bolt, the circular orientation sleeve-board places on the joint pin, and fixedly connected with main body by bolt.

4, by claim 1 or 2 described die assemblies, it is characterized in that described drive shaft members comprises the transmission body of rod and a column sleeve in order to transferring power, column sleeve stretches into the one end along axis direction in the axial blind hole of drive shaft members one end and with bolt the column sleeve and the transmission body of rod is done coaxial being connected and fixed.

5, by the described die assembly of claim 3, it is characterized in that described joint pin jag has the external diameter bigger than its hinged end, its inclined end face is the connection end face that is used to connect drive shaft members on the mold members.

6,, it is characterized in that the external diameter of the axis direction other end of described column sleeve is the connection end face that connects mold members on the drive shaft members for big and the bigger end end face of this external diameter partly than being matched with axial blind hole by the described die assembly of claim 4.