CN214133623U - General forming die of switch - Google Patents

Abstract

The utility model discloses a general forming die for a switch, which comprises an upper die and a lower die, wherein the upper die comprises an upper fixed plate and an upper die frame arranged on the lower end surface of the upper fixed plate, the upper end and the lower end of the upper die frame are open, and a stripping mechanism is arranged in the upper die frame; the lower die comprises a base and a plurality of folding knives arranged on the base, the folding knives surround to form a cavity matched with the upper die frame, the inner side wall of each folding knife is rotatably provided with a roller along the length direction, the base is provided with an ejection mechanism, and the ejection mechanism corresponds to the cavity. The utility model has reasonable structure, high processing precision, convenient maintenance and short time; the rolling shaft is arranged on the inner side of the folding knife, and when a product is punched downwards, the rolling shaft is in rolling contact with the product, so that the friction between the product and a die is reduced, the processes of pulling and polishing the product in the later period are reduced, the processing cost of the product is saved, and the processing efficiency of the product is greatly improved.

Description

General forming die of switch

Technical Field

The utility model relates to the technical field of mold, especially, relate to a general forming die of switch.

Background

When the common switch forming die is used for production, products are easy to be damaged, and the appearance quality is poor; when the appearance of the product needs surface paint spraying treatment, a large amount of manpower is needed for polishing treatment, and then the surface paint spraying treatment is carried out; when the appearance of the product does not need surface painting treatment, the difficulty of surface polishing treatment is increased, the rejection rate of the product is increased linearly, the efficiency is reduced, and the cost is increased.

Therefore, on the basis, the invention of the novel special forming die has very important significance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a general forming die of switch to the not enough of above-mentioned prior art.

In order to solve the above problems, the utility model adopts the following technical proposal:

a general forming die for an exchanger comprises an upper die and a lower die, wherein the upper die comprises an upper fixing plate and an upper die frame arranged on the lower end surface of the upper fixing plate, the upper end and the lower end of the upper die frame are provided with openings, and a stripping mechanism is arranged in the upper die frame; the lower die comprises a base and a plurality of folding knives arranged on the base, the folding knives surround to form a cavity matched with the upper die frame, rolling shafts are rotatably arranged on the inner side walls of the folding knives along the length direction of the folding knives, and the base is provided with an ejection mechanism corresponding to the cavity.

Furthermore, a bearing is arranged on the inner side wall of the folding knife, and the rolling shaft is rotatably connected with the bearing.

Furthermore, the stripping mechanism comprises a stripping plate arranged in the upper die frame in a sliding manner, a knock-off rod is arranged on the stripping plate, and a limiting cap is arranged at the upper end of the knock-off rod after penetrating out of the upper fixing plate.

Furthermore, a first through guide hole is formed in the stripper plate, a guide pillar is arranged below the upper fixing plate, and the lower end of the guide pillar is inserted into the first guide hole.

Furthermore, a guide sleeve is arranged in the first guide hole and matched with the guide pillar.

Further, the base includes bottom plate, cushion and the backup pad that sets gradually from bottom to top, ejection mechanism includes ejecting spring, push pedal and liftout plate, ejecting spring and push pedal set up in between bottom plate and the backup pad, the liftout plate set up in the backup pad top just is located in the cavity that the folding knife encloses the formation, the lower extreme of ejecting spring with the bottom plate is connected, the upper end of ejecting spring with the terminal surface is connected under the push pedal, the lower extreme of liftout plate is provided with the ejector pin, the lower extreme of ejector pin pass behind the backup pad with push pedal up end butt.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:

the utility model has reasonable structure, high processing precision, convenient maintenance and short time; the rolling shaft is arranged on the inner side of the folding knife, and when a product is punched downwards, the rolling shaft is in rolling contact with the product, so that the friction between the product and a die is reduced, the processes of pulling and polishing the product in the later period are reduced, the processing cost of the product is saved, and the processing efficiency of the product is greatly improved.

Drawings

Fig. 1 is an exploded view of the present invention;

FIG. 2 is an exploded view of the middle folding knife of the present invention;

fig. 3 is a cross-sectional view of the present invention;

in the figure: 1. an upper fixing plate; 2. putting a mold frame; 3. a base; 31. a base plate; 32. cushion blocks; 33. a support plate; 4. folding a knife; 5. a chamber; 6. a roller; 7. a bearing; 8. a material removing plate; 9. beating a rod; 10. a limiting cap; 11. a guide post; 12. a guide sleeve; 13. ejecting a spring; 14. pushing the plate; 15. ejecting the plate; 16. a top rod; 17. and (5) producing the product.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1-3, the utility model relates to a specific embodiment of a general forming die for switches, which comprises an upper die and a lower die, wherein the upper die comprises an upper fixing plate 1 and an upper die frame 2 arranged on the lower end surface of the upper fixing plate 1 through bolts, the upper end surface of the upper fixing plate is provided with a die handle, the die handle is connected with a punching machine, the upper end and the lower end of the upper die frame 2 are open, a stripping mechanism is arranged in the upper die frame 2, the stripping mechanism comprises a stripping plate 8 arranged in the upper die frame 2 in a sliding manner, the stripping plate 8 is connected with a vertically arranged striking rod 9, the upper end of the striking rod 9 penetrates out of the upper fixing plate 1 and then is provided with a limiting cap 10, and the limiting cap 10 prevents the stripping plate 8 from falling from the upper die frame; two first through guide holes are formed in the stripper plate 8, a guide post 11 is arranged below the upper fixing plate 1, and the lower end of the guide post 11 is inserted into the first guide holes, so that the striking rod 9 and the stripper plate 8 move up and down along the guide post 11, and the movement stability is kept; the lower mould include the base 3 and set up in through the bolt in a plurality of book sword 4 on the base 3, it is a plurality of book sword 4 surround form with go up the cavity 5 of 2 looks adaptations of framed, the book sword has four in this embodiment, surround the cavity 5 that forms the rectangle with last framed 2 looks adaptations, the tip of four book sword 4 passes through pin fixed connection, it is provided with roller bearing 6 to rotate along its length direction on the inside wall of book sword 4, and roller bearing 6 sets up in the top of the inside wall of book sword 4, and at the product downstream bending in-process, roller bearing 6 and product roll contact reduce the friction of mould and product, reduce the product and pull, be provided with ejection mechanism on the base 3, ejection mechanism with cavity 5 positions are corresponding.

Further, a bearing 7 is embedded in the inner side wall of the folding knife 4, the bearing 7 is located at a position, close to the end portion, of the folding knife 4, bending of the product in a downward movement mode is not affected, and the rolling shaft 6 is rotatably connected with the bearing 7. And a groove for accommodating the rolling shaft 6 and the bearing 7 is formed in the inner side wall of the folding knife 4.

Further, a guide sleeve 12 is arranged in the first guide hole, the guide sleeve 12 is matched with the guide post 11, and the guide sleeve 12 plays a role in guiding the guide post 11 and preventing the guide post from being stuck.

Further, the base 3 includes a bottom plate 31, a cushion block 32 and a support plate 33 which are sequentially connected through bolts from bottom to top, the cushion block 32 is provided with two cushion blocks and is respectively arranged on two sides of the bottom plate 31, the cushion block 32 and the support plate 33 surround to form a stroke space of the ejection mechanism, the ejection mechanism includes an ejection spring 13, a push plate 14 and an ejection plate 15, the ejection spring 13 and the push plate 14 are arranged between the bottom plate 31 and the support plate 33, the ejection plate 15 is arranged above the support plate 33 and is located in a cavity 5 formed by surrounding the folding knife 4, the lower end of the ejection spring 13 is connected with the bottom plate 31, the upper end of the ejection spring 13 is connected with the lower end face of the push plate 14, the lower end of the ejection plate 15 is provided with an ejector rod 16, and the lower end of the ejector rod 16 is abutted to the upper end face of the push plate 14.

The working process is as follows: place the product on the lower mould, the mould downstream is gone up in the punching machine drive, continue downstream after going up the mould frame bottom and product butt, in the cavity that the folding sword encloses and forms is impressed the product, roller bearing and product rolling contact, at this moment, it compresses ejecting spring through ejector pin and push pedal to go up the mould and is pressing ejector plate downstream, after the punching press is accomplished, upward movement on the punching machine drive, ejecting spring extends and resets, promote ejecting plate upward movement, the product is bent and is hung on last mould frame, strike convex knockout pin on the upper fixed plate downwards, the knockout pin drives stripper plate downstream, knock off the product and break away from last mould frame, accomplish the stamping forming of product.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims (6)

1. The general forming die for the switch comprises an upper die and a lower die, and is characterized in that the upper die comprises an upper fixing plate (1) and an upper die frame (2) arranged on the lower end face of the upper fixing plate (1), the upper end and the lower end of the upper die frame (2) are provided with openings, and a stripping mechanism is arranged in the upper die frame (2); the lower mould comprises a base (3) and a plurality of folding knives (4) arranged on the base (3), the folding knives (4) are surrounded to form a cavity (5) matched with the upper mould frame (2), the inner side wall of each folding knife (4) is rotatably provided with a roller (6) along the length direction, the base (3) is provided with an ejection mechanism, and the ejection mechanism corresponds to the cavity (5).

2. The universal forming die for switches according to claim 1, characterized in that a bearing (7) is arranged on the inner side wall of the folding knife (4), and the roller (6) is rotatably connected with the bearing (7).

3. The universal forming die for the switch according to claim 1, wherein the stripping mechanism comprises a stripping plate (8) slidably disposed in the upper die frame (2), a striking rod (9) is disposed on the stripping plate (8), and a limiting cap (10) is disposed after the upper end of the striking rod (9) penetrates through the upper fixing plate (1).

4. The general molding die for switches according to claim 3, wherein the stripper plate (8) has a first guide hole formed therethrough, a guide post (11) is disposed below the upper fixing plate (1), and a lower end of the guide post (11) is inserted into the first guide hole.

5. The universal molding die for switches according to claim 4, characterized in that a guide sleeve (12) is disposed in the first guide hole, and the guide sleeve (12) is adapted to the guide post (11).

6. The universal molding die for switches according to claim 1, wherein the base (3) comprises a bottom plate (31), a cushion block (32) and a support plate (33) arranged in sequence from bottom to top, the ejection mechanism comprises an ejection spring (13), a push plate (14) and an ejection plate (15), the ejection spring (13) and the push plate (14) are arranged between the bottom plate (31) and the support plate (33), the ejection plate (15) is arranged above the supporting plate (33) and is positioned in a cavity (5) formed by the surrounding of the folding knife (4), the lower end of the ejection spring (13) is connected with the bottom plate (31), the upper end of the ejection spring (13) is connected with the lower end surface of the push plate (14), the lower end of the ejection plate (15) is provided with an ejector rod (16), and the lower end of the ejector rod (16) penetrates through the support plate (33) and then abuts against the upper end face of the push plate (14).

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