CN207606170U - A kind of bending mould of gradual change bending - Google Patents

Abstract

The utility model is related to a kind of bending moulds of gradual change bending, including mating up and down upper die component and lower mold assemblies, upper die component includes the upper bending module for having upper brake forming structure and top bar molding structure, top bar molding structure is located at upper brake forming structure one end, lower mold assemblies include the lower bending module for having lower brake forming structure and molding structure of getting out of a predicament or an embarrassing situation, and molding structure of getting out of a predicament or an embarrassing situation is located at lower brake forming structure one end；Upper bending module assembles cooperation workpiece with lower bending die, to form the processing structure being made of bending shape and step shape on workpiece；The springback angle a of upper brake forming structure and the springback angle b of lower brake forming structure are arranged in a manner of gradual change respectively.The utility model is straight by final shape after the springback angle of upper brake forming structure and lower brake forming structure to be respectively set to the bending shape rebound for effectively ensuring workpiece in gradual change type structure, reaches accurately processing request, substantially increases the quality of production.

Description

A kind of bending mould of gradual change bending

Technical field

A kind of bending mould of gradual change bending.

Background technology

Generally there are the processing structure being made of bending shape and step shape, the step on stamping forming hardware panel Shape is located at bending shape one end, and the prior art has the following disadvantages the machine-shaping of above structure：1. since end has Step shape causes rebound amplitude of the bending shape both ends after completing punching press all different, close to the rebound amplitude of step shape It is smaller, and the rebound amplitude far from step shape is larger, and bending shape is caused to influence workpiece in the big cone-shaped in the small one end in one end Processing effect；2. since end has step shape, when workpiece bows, step shape edge is easy corrugation, influences workpiece Effect is assembled, traditional way is to cut crimped portion then to weld, and not only increases cut wrinkle and welding sequence in this way, reduce Production efficiency, labor intensity is big, and influences product bending angle and appearance, reduces product qualification rate.Therefore, it is necessary to further It improves.

Invention content

The purpose of the utility model is to overcome above-mentioned the shortcomings of the prior art, and it is simple to provide a kind of design, knot Structure is reasonable, effectively ensure bending shape rebound after final shape be it is straight, to meet processing request gradual change bending bending Mold.

What the purpose of this utility model was realized in：

A kind of bending mould of gradual change bending, including mating upper die component and lower mold assemblies, upper die component include up and down Has the upper bending module of upper brake forming structure and top bar molding structure, top bar molding structure is located at upper brake forming knot Structure one end, lower mold assemblies include the lower bending module for having lower brake forming structure and molding structure of getting out of a predicament or an embarrassing situation, molding of getting out of a predicament or an embarrassing situation Structure is located at lower brake forming structure one end；Upper bending module and lower bending die assemble cooperation workpiece, with formed on workpiece by The processing structure that bending shape is constituted with step shape；It is characterized in that：The springback angle a of the upper brake forming structure is curved under The springback angle b of bent molding structure is arranged in a manner of gradual change respectively.

The springback angle a of the upper brake forming structure and the springback angle b of lower brake forming structure respectively with 1 ° -5 ° to 6 ° - 10 ° of gradual changes, preferably 3 ° gradually become to 8 ° of gradual changes, the springback angle a of the upper brake forming structure by top bar molding structure Greatly, the springback angle b of the lower brake forming structure becomes larger by molding structure of getting out of a predicament or an embarrassing situation.

There is wave groove on the top bar molding structure, has wave double wedge, wave recessed on the molding structure of getting out of a predicament or an embarrassing situation Slot and wave double wedge cooperating workpiece, to form the wave-like on step shape.

The upper bending module is set on upper die component, and is resetted and slided to upper die component inner elastic, lower bending die Group is located relatively at the outside of bending module；The lower bending module is set on lower mold assemblies, and upper part is to lower mold assemblies Outer elastic resets rotation.

The lower mold assemblies correspond to lower bending module and are provided at both ends with fixed block, and lower bending module both ends pass through shaft respectively It is rotatablely connected fixed block；The lower mold assemblies correspond to the reset mandril that lower bending module bottom is provided with upward elastic reset, with The lower bending module of effect resets rotation：It is provided with the drive block with upper inclined wedge on the upper die component, is set on lower bending module There is a lower inclined wedge, when molding, upper inclined wedge and lower inclined wedge mating reaction make lower bending module top to rotation on the inside of lower mold assemblies.

The binder block of downward elastic reset is provided on the upper bending module, binder block bottom exposes to bending module Bottom.

The beneficial effects of the utility model are as follows：

Pass through returning the lower brake forming structure in the upper brake forming structure and lower bending module in upper bending module It is straight to play final shape after the bending shape rebound for effectively ensuring workpiece in gradual change type structure is respectively set in angle, reaches accurate Processing request, substantially increase the quality of production；To avoid the corrugation of step shape edge appearance, have on top bar molding structure Wave groove has wave double wedge on molding structure of getting out of a predicament or an embarrassing situation, and wave groove cooperates with wave double wedge, to form waveform, It is effective to absorb excess stock, ensure the bending angle and appearance of product, due to not extra deformation therefore assembly effect It is good, since wrinkle need not be cut therefore product mechanical strength is big.

Description of the drawings

Fig. 1 is the sectional view that one embodiment of the utility model molds state.

Fig. 2 is the stereogram of upper die component in one embodiment of the utility model.

Fig. 3 is the stereogram of lower mold assemblies in one embodiment of the utility model.

Fig. 4 is the enlarged drawing at A1 in Fig. 1.

Fig. 5 is the enlarged drawing at A2 in Fig. 2.

Fig. 6 is the front view of upper bending module in one embodiment of the utility model.

Fig. 7 is the upward view of upper bending module in one embodiment of the utility model.

Fig. 8 is the sectional view in the directions A-A in Fig. 6.

Fig. 9 is the sectional view in the directions B-B in Fig. 6.

Figure 10 is the front view of lower bending module in one embodiment of the utility model.

Figure 11 is the sectional view in the directions C-C in Figure 10.

Figure 12 is the sectional view in the directions D-D in Figure 10.

Figure 13 is the sectional view in the directions E-E in Figure 10.

Figure 14 is the structural schematic diagram of front panel in one embodiment of the utility model.

Specific implementation mode

The utility model is further described with reference to the accompanying drawings and embodiments.

Referring to Fig. 1-Figure 14, it is front panel 3, the bending mould packet that the bending mould of this gradual change bending, which needs the object processed, Include mating up and down upper die component and lower mold assemblies；Upper die component includes having upper brake forming structure 101 and top bar molding The upper bending module 1 of structure 102, top bar molding structure 102 are located at upper 101 one end of brake forming structure；Lower mold assemblies include Has the lower bending module 2 of lower brake forming structure 201 and molding structure of getting out of a predicament or an embarrassing situation, molding structure of getting out of a predicament or an embarrassing situation is bent under being located at 201 one end of type structure；Upper bending module 1 and lower 2 mating reaction front panel 3 of bending module, to be formed on front panel 3 by bending shape The processing structure that shape 301 is constituted with step shape 302；For avoid the occurrence of rebound after cone-shaped, upper brake forming structure 101 Springback angle a and the springback angle b of lower brake forming structure 201 are arranged in a manner of gradual change respectively, to ensure that bending shape 301 is close The rebound amplitude of 302 side of step shape is less than rebound amplitude of the bending shape 301 far from 302 side of step shape, makes front The bending shape 301 of plate 3 meets processing request.

Further, the springback angle b of the springback angle a of upper brake forming structure 101 and lower brake forming structure 201 respectively with 3 ° become larger to 8 ° of gradual changes, the springback angle a of upper brake forming structure 101 by top bar molding structure 102, under bend to The springback angle b of type structure 201 becomes larger by molding structure of getting out of a predicament or an embarrassing situation.Referring specifically to Fig. 8, Fig. 9, Figure 11 and Figure 12, Fig. 8 The springback angle a of middle section position is 3 °, and the springback angle a of the middle sections Fig. 9 position is 8 °；The springback angle b that the middle sections Figure 11 are is 3 °, The springback angle b of the middle sections Figure 12 position is 8 °.

Further, there is wave groove 103 on top bar molding structure 102, there is wave double wedge on molding structure of getting out of a predicament or an embarrassing situation 203, wave groove 103 and 203 cooperating workpiece of wave double wedge should to form the wave-like 303 on step shape 302 Wave-like 303 effectively absorbs excess stock, avoids 3 wrinkling deformation of front panel, eliminate it is traditional cut wrinkle and welding sequence, And keeping front panel 3 more attractive, assembly effect is more preferable, and production efficiency improves, and product strength improves.

Further, upper bending module 1 is set on upper die component, and is resetted and slided to upper die component inner elastic, under Bending module 2 is located relatively at the outside of bending module 1；Lower bending module 2 is set on lower mold assemblies, and upper part is to lower die Component outer elastic resets rotation.

Further, lower mold assemblies correspond to lower bending module 2 and are provided at both ends with fixed block 4, lower 2 both ends of bending module difference It is rotatablely connected fixed block 4 by shaft 5, realizes the locating rotation setting of lower bending module 2；Lower mold assemblies correspond to lower bending module 2 bottoms are provided with the reset mandril 6 of upward elastic reset, reset rotation with bending module 2 under the effect under die opening state, in case Lower task：The drive block 7 with upper inclined wedge 701 is provided on upper die component, lower bending module 2 is equipped with lower inclined wedge 204, closes When mould, upper inclined wedge 701 and lower 204 mating reaction of inclined wedge make lower 2 top of bending module to rotation on the inside of lower mold assemblies, to complete Bending machining.

Further, the binder block 8 of downward elastic reset is provided on upper bending module 1,8 bottom of binder block exposes to It is bent 1 bottom of module, effective binder anti-deformation.

The basic principles and main features of the utility model have been shown and described in the above-mentioned preferred embodiment for the utility model And the advantages of the utility model.Those skilled in the art should be recognized that the present utility model is not limited to the above embodiments, on It states and only illustrates the principles of the present invention described in embodiment and specification, do not departing from the spirit and scope of the utility model Under the premise of the utility model also has various changes and improvements, it is new that these changes and improvements both fall within this claimed practicality Within the scope of type.The utility model requires protection scope is defined by appended claims and its equivalent.

Claims (7)

1. a kind of bending mould of gradual change bending, including mating up and down upper die component and lower mold assemblies, upper die component includes tool Standby upper brake forming structure（101）With top bar molding structure（102）Upper bending module（1）, top bar molding structure（102） Positioned at upper brake forming structure（101）One end, lower mold assemblies include having lower brake forming structure（201）With molding knot of getting out of a predicament or an embarrassing situation The lower bending module of structure（2）, molding structure of getting out of a predicament or an embarrassing situation is located at lower brake forming structure（201）One end；Upper bending module（1）With under It is bent module（2）Mating reaction workpiece, to be formed on workpiece by bending shape（301）With step shape（302）The processing of composition Structure；It is characterized in that：The upper brake forming structure（101）Springback angle a and lower brake forming structure（201）Springback angle B is arranged in a manner of gradual change respectively.

2. the bending mould of gradual change bending according to claim 1, it is characterised in that：The upper brake forming structure （101）Springback angle a and lower brake forming structure（201）Springback angle b respectively with 1 ° -5 ° to 6 ° of -10 ° of gradual changes, it is described curved Bent molding structure（101）Springback angle a by top bar molding structure（102）Start to become larger, the lower brake forming structure （201）Springback angle b become larger by molding structure of getting out of a predicament or an embarrassing situation.

3. the bending mould of gradual change bending according to claim 2, it is characterised in that：The upper brake forming structure （101）Springback angle a and lower brake forming structure（201）Springback angle b respectively with 3 ° to 8 ° of gradual changes.

4. the bending mould of gradual change bending according to claim 1, it is characterised in that：The top bar molding structure （102）On have wave groove（103）, have wave double wedge on the molding structure of getting out of a predicament or an embarrassing situation（203）, wave groove（103）With wave Unrestrained double wedge（203）Cooperating workpiece, to form step shape（302）On wave-like（303）.

5. the bending mould of gradual change bending according to claim 1, it is characterised in that：The upper bending module（1）Setting In on upper die component, and resets and slide to upper die component inner elastic, lower bending module（2）It is located relatively at bending module（1） Outside；The lower bending module（2）It is set on lower mold assemblies, and upper part is resetted to lower mold assemblies outer elastic and rotated.

6. the bending mould of gradual change bending according to claim 5, it is characterised in that：The lower mold assemblies correspond to lower bending Module（2）It is provided at both ends with fixed block（4）, lower bending module（2）Both ends pass through shaft respectively（5）It is rotatablely connected fixed block（4）； The lower mold assemblies correspond to lower bending module（2）Bottom is provided with the reset mandril of upward elastic reset（6）, to act on lower bending Module（2）Reset rotation：It is provided on the upper die component with upper inclined wedge（701）Drive block（7）, lower bending module（2） It is equipped with lower inclined wedge（204）, when molding, upper inclined wedge（701）With lower inclined wedge（204）Mating reaction makes lower bending module（2）Top It is rotated on the inside of to lower mold assemblies.

7. the bending mould of gradual change bending according to claim 5, it is characterised in that：The upper bending module（1）On set It is equipped with the binder block of downward elastic reset（8）, binder block（8）Bottom exposes to bending module（1）Bottom.