CN201702259U

CN201702259U - Flanged die with flanged overall ejector

Info

Publication number: CN201702259U
Application number: CN2010201741658U
Authority: CN
Inventors: 贾庚凤; 韦冠凤
Original assignee: LIUZHOU GUANGLING MOULD TECHNOLOGY Co Ltd
Current assignee: LIUZHOU GUANGLING MOULD TECHNOLOGY Co Ltd
Priority date: 2010-04-28
Filing date: 2010-04-28
Publication date: 2011-01-12
Anticipated expiration: 2020-04-28

Abstract

A flanged die with a flanged overall ejector relates to a cold stamping die and comprises a lower die seat, a flanged convex die arranged on the lower die seat, an upper die seat, a flanged concave die arranged on the upper die seat, a material pressing device and an ejector. An advanced pin is arranged on the flanged concave die. A pressing spring is arranged between the material pressing device and the lower die seat. The flanged ejector is of the flanged overall ejector. The flanged overall ejector comprises guide columns, a position-limiting block, a combined mounting plate and an ejection block arranged on the combined mounting plate. The guide columns are arranged in guide column holes of the lower die seat. A spring for providing power source for the guide columns to move up and down is arranged between the lower end of each guide column and the bottom end of each guide column hole. The position-limiting block is fixed on the lower die seat. The combined mounting plate is fixed on a plurality of single guide columns. The flanged die with the flanged overall ejector not only increases the ejection area but also improves the synchronism of each guide column, in which the ejection speed is coincident and ejection material is steady, thereby ensuring the workpiece precision after ejection.

Description

The flanging die that has the whole Lifting Device of flanging

Technical field

The utility model relates to a kind of cold punching die, particularly a kind of flanging die that has the whole Lifting Device of flanging that the workpiece behind the flange can be ejected from flanging die.

Background technology

In the flanging die of right angle flange, can be adsorbed on the flanging die behind the workpiece flange, if flange line length, flange height are big, the power that workpiece is adsorbed on the flanging die is just big more, therefore is difficult to workpiece is taken out from flanging die; Do not force workpiece is taken out from flanging die if any material jacking mechanism is not set, can cause workpiece deformation, influence the precision of workpiece; Therefore, one all is in the bigger position of workpiece absorption affinity several ejectors to be set separately for existing flanging die, so that workpiece is ejected flanging die, but workpiece accuracy still is affected; The ejector that is provided with is many more separately, and the synchronism of each ejector is just bad more, even the liftout area strengthens, the precision of workpiece still can not get guaranteeing; If reduce the quantity of ejector, the synchronism of each ejector is relatively good, but the liftout area diminishes, and workpiece also can produce distortion; Therefore, the quantity of ejector and synchronism are difficult to be taken into account, and workpiece accuracy can not get guaranteeing.

Summary of the invention

The technical problems to be solved in the utility model is: a kind of flanging die that has the whole Lifting Device of flanging is provided, this mould can be joined together several independent ejectors to become the whole Lifting Device of flanging, the weak point that be difficult to be taken into account to solve ejector quantity that existing flanging die exists and synchronism, workpiece accuracy can not get guaranteeing.

The technical scheme that solves the problems of the technologies described above is: a kind of flanging die that has the whole Lifting Device of flanging, comprise die shoe, be installed in the flanging die on the die shoe, upper bolster, be installed in the flange die on the upper bolster, eccentric swage and flanging Lifting Device, on the described flange die first marketing is installed, the binder spring is installed between eccentric swage and the upper bolster, described flanging Lifting Device is the whole Lifting Device of flanging, the whole Lifting Device of this flanging is mainly by guide pillar, limited block, associating installing plate and the ejection block that is installed on the associating installing plate constitute, described guide pillar is installed in the guide pillar hole of die shoe, is provided with the spring that power resources are provided for moving up and down of guide pillar between the lower end of guide pillar and the bottom, guide pillar hole; Described limited block is fixed on the die shoe, and the associating installing plate is fixedly mounted on a plurality of independent guide pillars.

Further technical scheme of the present utility model is: be provided with the passage that is used to get rid of air in the guide pillar hole in the guide pillar hole of described die shoe.

A step technical scheme more of the present utility model is: described binder spring is a polyurethane spring.

Further again technical scheme of the present utility model is: the described flanging die that has the whole Lifting Device of flanging also is provided with work retainer at the periphery of workpiece, and this work retainer mainly is made of positioning support and the location-plate that is installed on the positioning support.

Owing to adopt said structure, the flanging die that has the whole Lifting Device of flanging of the utility model is compared with existing flanging die, has following beneficial effect: 1, workpiece accuracy height: because flanging Lifting Device of the present utility model is a flanging integral body Lifting Device, the associating installing plate of the whole Lifting Device of this flanging is fixedly mounted on a plurality of independent guide pillars, therefore the utility model can be joined together a plurality of independent guide pillars by the associating installing plate, become whole liftout by the original independent liftout of a plurality of ejectors, both can increase the area of liftout, can improve the synchronism of each guide pillar again, it ejects the speed unanimity, liftout is steady, thereby can guarantee to eject the precision of back workpiece.

In addition, the utility model also is provided with work retainer at the periphery of workpiece, and it can be accurately positioned in part on the flanging die, thereby has also further improved the precision of workpiece.

2, can save die space, reduce the mould production cost: structure of the present utility model is more reasonable, and it is joined together a plurality of independent guide pillars by the associating installing plate, need not strengthen original mould appearance and size, it is less to take up room, thereby can save die space, reduces the mould production cost.

3, production efficiency height: because the flanging Lifting Device of the present utility model whole Lifting Device that is flanging, so the efficient that its workpiece after with flange ejects from flanging die is also than higher.

Below, the technical characterictic to the flanging die that has the whole Lifting Device of flanging of the utility model is further described in conjunction with the accompanying drawings and embodiments.

Description of drawings: Fig. 1: the structural representation of the flanging die that has the whole Lifting Device of flanging of the utility model, Fig. 2: spring, guide pillar, the associating installing plate plane figure of the flanging die that has the whole Lifting Device of flanging of the utility model; Fig. 3: the ejection block plane figure of the flanging die that has the whole Lifting Device of flanging of the utility model; Fig. 4: the work retainer plane figure of the flanging die that has the whole Lifting Device of flanging of the utility model; Among the figure, the 1-spring, the 2-guide pillar, the 3-limited block, 4-unites installing plate, 5-ejection block, 6-is marketing earlier, 7-flange die, 8-flanging die, 9-die shoe, 10-upper bolster, 11-eccentric swage, 12-binder spring, 13-passage, 14-work retainer, 141-positioning support, 142-location-plate.

Disclosed among the specific embodiment: embodiment one Fig. 1 to Fig. 4 is a kind of flanging die (4 workpiece of a mould) that has the whole Lifting Device of flanging, it comprises die shoe 9, be installed in flanging die 8, upper bolster 10 on the die shoe, be installed in the flange die 7 on the upper bolster, the eccentric swage 11 that pressure-plate-force is provided and flanging Lifting Device, marketing 6 earlier is installed on the described flange die 7, be installed with binder spring 12 by spring guide pin between eccentric swage 11 and the upper bolster 10, this binder spring is a polyurethane spring; Described flanging Lifting Device is the whole Lifting Device of flanging, the whole Lifting Device of this flanging is made of guide pillar 2, limited block 3, associating installing plate 4 and ejection block 5, described guide pillar 2 is installed in the guide pillar hole of die shoe 9, guide pillar 2 can move up and down along the guide pillar hole of die shoe, be provided with spring 1 between the lower end of guide pillar 2 and the bottom, guide pillar hole, die shoe 9 is withstood in the bottom of spring 1, for moving up and down of guide pillar 2 provides power resources; Be provided with the passage 13 that is used to get rid of air in the guide pillar hole in the guide pillar hole of die shoe 9, to guarantee guide pillar motion steady and smooth; Described limited block 3 is fixed on the die shoe 9 by screw, is used to limit the stroke that guide pillar 2 moves upward; Associating installing plate 4 is fixedly mounted on a plurality of independent guide pillars by screw, is used for several independent guide pillars are joined together, and reduces the asynchronism of each independent guide pillar motion to greatest extent; Described ejection block 5 is installed on the associating installing plate 4, is used for the workpiece behind the flange is ejected from flanging die 8.

The described flanging die that has the whole Lifting Device of flanging also is provided with a plurality of work retainers 14 at the periphery of workpiece, this work retainer 14 is made of positioning support 141 and the location-plate 142 that is installed on the positioning support, so that workpiece is accurately positioned on the flanging die 8.

The concrete quantity of above-mentioned spring 1, guide pillar 2, associating installing plate 4, ejection block 5 is to decide according to the concrete size of workpiece, and each concrete structure of uniting installing plate 4, ejection block 5 also is to decide according to the concrete structure of workpiece.

As a kind of conversion of present embodiment, also can not be provided with passage in the guide pillar hole of described die shoe 9, just can not get rid of the air in the guide pillar hole.

As another conversion of present embodiment, the utility model can be not be provided with work retainer 14 at the periphery of workpiece yet, just its positioning accuracy so good.

As another conversion of present embodiment, described binder spring can not be a polyurethane spring also, but other spring.

Operation principle of the present utility model is as follows: profile by flanging die 8 and the work retainer 14 that is installed in the workpiece periphery are positioned at workpiece on the flanging die 8, when upper bolster 10 moves downward, the bottom of marketing 6 at first withstands on the ejection block earlier, and ejection block 5 pushed down together move downward, ejection block liftout face is lower than flanging die before making the workpiece flange, and assurance ejection block 5 is not interfered workpiece; Upper bolster 10 continues to move downward, and the pressure of binder spring 12 is pushed down workpiece by eccentric swage 11, and upper bolster 10 continues to move downward, and flange die 7 is with the moulding of workpiece flange; Upper bolster 10 moves upward, eccentric swage 11 at first leaves workpiece, then earlier ejection block 5 is left in marketing 6, and spring 1 upwards pressure and promotes guide pillar 2, associating installing plate 4, ejection block 5 and move upward, and ejection block 5 moves upward and the workpiece behind the flange is ejected flanging die; Limit the stroke that guide pillar 2 moves upward by limited block 3, thereby limit the stroke that whole Lifting Device moves upward.

Claims

1. flanging die that has the whole Lifting Device of flanging, comprise die shoe (9), be installed in the flanging die (8) on the die shoe, upper bolster (10), be installed in the flange die (7) on the upper bolster, eccentric swage (11) and flanging Lifting Device, first marketing (6) is installed on the described flange die (7), between eccentric swage (11) and the upper bolster (10) binder spring (12) is installed, it is characterized in that: described flanging Lifting Device is the whole Lifting Device of flanging, the whole Lifting Device of this flanging is mainly by guide pillar (2), limited block (3), associating installing plate (4) and the ejection block (5) that is installed on the associating installing plate constitute, described guide pillar (2) is installed in the guide pillar hole of die shoe (9), is provided with between the lower end of guide pillar (2) and the bottom, guide pillar hole to moving up and down of guide pillar (2) spring of power resources (1) is provided; Described limited block (3) is fixed on the die shoe (9), and associating installing plate (4) is fixedly mounted on a plurality of independent guide pillars.

2. the flanging die that has the whole Lifting Device of flanging according to claim 1 is characterized in that: be provided with the passage (13) that is used to get rid of air in the guide pillar hole in the guide pillar hole of described die shoe (9).

3. the flanging die that has the whole Lifting Device of flanging according to claim 1 and 2, it is characterized in that: described binder spring (12) is a polyurethane spring.

4. the flanging die that has the whole Lifting Device of flanging according to claim 1 and 2, it is characterized in that: the described flanging die that has the whole Lifting Device of flanging also is provided with work retainer (14) at the periphery of workpiece, and this work retainer (14) is mainly by positioning support (141) be installed in location-plate (142) formation on the positioning support.

5. the flanging die that has the whole Lifting Device of flanging according to claim 3, it is characterized in that: the described flanging die that has the whole Lifting Device of flanging also is provided with work retainer (14) at the periphery of workpiece, and this work retainer (14) is mainly by positioning support (141) be installed in location-plate (142) formation on the positioning support.