CN217647208U - Bending device - Google Patents

Abstract

The utility model relates to a bending device, which comprises an upper die and a lower die, wherein the lower die comprises a fixed seat, a first molded part and a second molded part, a placing table, a first accommodating groove and a second accommodating groove are arranged on the fixed seat, the placing table is used for placing materials to be bent, the first accommodating groove and the second accommodating groove are respectively positioned at the left side and the right side of the placing table, the first molded part and the second molded part are respectively arranged in the first accommodating groove and the second accommodating groove and can swing towards the direction close to or away from each other in the first accommodating groove and the second accommodating groove respectively; the upper die comprises a stripping part, a first punch and a second punch, the stripping part and the placing table are arranged oppositely, the stripping part is used for shaping a material to be bent and driving a formed product to be stripped from the placing table, and the first punch and the second punch are respectively used for pushing the first forming piece and the second forming piece to swing. The utility model provides a bending device both can avoid first forming part and second forming part to damage, reduces part cost of manufacture, can avoid the potential safety hazard again.

Description

Bending device

Technical Field

The utility model relates to a bending device.

Background

Present fine setting structure of bending refers to fig. 7, two sliders 9 independently set up, the bottom of slider 9 is the plane, during punching press product, two side-impact drifts promote two sliders respectively and slide simultaneously (one of them left, another right), the slider often can have the slider to appear sliding the unsmooth condition (the bottom area of slider is great, and there is the friction between the bottom of slider and the holding surface when sliding) along its bottom bearing surface horizontal slip in the slip process, cause the slider part to damage, increase slider part cost of manufacture, and there is the potential safety hazard (probably hit operating personnel in the slider removes).

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an improved bending device.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

a bending device comprises an upper die and a lower die, wherein the lower die comprises a fixed seat, a first forming part and a second forming part, a placing table, a first accommodating groove and a second accommodating groove are arranged on the fixed seat, the placing table is used for placing materials to be bent, the first accommodating groove and the second accommodating groove are respectively positioned at the left side and the right side of the placing table, and the first forming part and the second forming part are respectively arranged in the first accommodating groove and the second accommodating groove and can swing towards the direction close to or away from each other in the first accommodating groove and the second accommodating groove; the upper die comprises a stripping part, a first punch and a second punch, the stripping part and the placing table are arranged oppositely, the stripping part is used for shaping a material to be bent and driving a formed bent product to be separated from the placing table, and the first punch and the second punch are respectively used for pushing the first forming piece and the second forming piece to swing towards the direction close to each other so as to extrude the material to be bent.

Preferably, the device further comprises an elastic member, wherein the elastic member is connected with the first forming member and the second forming member.

Preferably, the upper parts of the first forming part and the second forming part are respectively provided with a first inclined surface, and the first inclined surfaces are used for abutting against the material to be bent on the placing table; the outer contours of the bottoms of the first forming part and the second forming part are respectively matched with the inner contours of the bottoms of the first accommodating groove and the second accommodating groove.

Preferably, the bottom of each of the first and second forming members is hemispherical.

Preferably, the first inclined plane of the first forming member extends downwards in an inclined way from the upper end to the lower end of the first forming member to the side far away from the second forming member, and the first inclined plane of the second forming member extends downwards in an inclined way from the upper end to the lower end of the second forming member to the side far away from the first forming member.

Preferably, the upper parts of the first and second forming members further have a second inclined surface, the second inclined surface of the first forming member and the second inclined surface of the second forming member are respectively used for abutting against the first punch and the second punch, the second inclined surface of the first forming member extends downwards in an inclined manner from the upper end to the lower end of the first forming member to the side far away from the second forming member, and the second inclined surface of the second forming member extends downwards in an inclined manner from the upper end to the lower end of the second forming member to the side far away from the first forming member.

Preferably, the diameter of the stripping part is gradually increased from the upper end to the lower end of the stripping part.

Preferably, the placing table is narrow at the top and wide at the bottom.

Preferably, the first punch and the second punch can move in the vertical direction.

Preferably, the first punch and the second punch both have a pushing surface, and the pushing surface of the first punch and the pushing surface of the second punch are respectively matched with the second inclined surface of the first punch and the second inclined surface of the second punch.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

the utility model provides a bending device, through setting up fixing base, first shaping spare and second shaping spare, first shaping spare, second shaping spare can be to the direction swing of being close to or keeping away from the other side in first holding tank, second holding tank respectively in order to extrude the material of waiting to bend, and this kind of side pendulum formula fine-tuning structure both can avoid not smoothly causing first shaping spare and second shaping spare to damage because of the slip of original first shaping spare and second shaping spare, reduces the part cost of manufacture, can avoid the potential safety hazard again.

Drawings

Fig. 1 is a structural diagram of the bending apparatus provided by the present invention in an initial state;

FIG. 2 is an enlarged view of FIG. 1;

fig. 3 is a structural diagram of the bending device provided by the utility model in a punch forming state;

FIG. 4 is an enlarged view of FIG. 3;

FIG. 5 is a structural diagram of a material to be bent;

FIG. 6 is a view of a folded product;

fig. 7 is a structural view of a conventional bending apparatus.

In the above drawings: 1-a first punch, a second punch, 2-a first forming part, a second forming part, 21-a first inclined plane, 22-a second inclined plane, 23-a middle side surface, 3-a material removing part, 4-a fixed seat, 5-an elastic part, 6-a placing table, 61-a first left side surface, 62-a second left side surface, 63-a first right side surface 63, 64-a second right side surface, 7-a material to be bent, 8-a bent product and 9-a sliding block.

Detailed Description

The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present 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.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

With reference to the bending device of fig. 1 to 4, it comprises an upper die and a lower die, in particular:

the lower mould includes fixing base 4, first forming part and second forming part, be provided with on fixing base 4 and place platform 6, first holding tank, the second holding tank, place platform 6 and be used for placing material 7 of waiting to bend, first holding tank, the second holding tank is located the left and right sides of placing platform 6 respectively, first forming part, second forming part 2 sets up respectively in first holding tank, in the second holding tank, and respectively in first holding tank, can swing to the direction that is close to or keeps away from the other side in the second holding tank, namely swing left or right (the horizontal hunting in vertical direction), first forming part, one of second forming part 2 swings left, another swings right, first forming part, second forming part 2 forms side pendulum formula fine-tuning structure, so both can avoid because of original first forming part and second forming part slip unsmooth first forming part and cause first forming part and second forming part to damage, reduce part cost of manufacture, can avoid the potential safety hazard again.

The upper die comprises a stripping part 3, a first punch and a second punch 1, the stripping part 3 is located between the first punch and the second punch 1, the stripping part 3 is arranged opposite to a placing table 6, the stripping part 3 can move up and down in the vertical direction, the stripping part 3 is used for shaping a material 7 to be bent and driving a bent product 8 after forming to be separated from the placing table 6, and the outer contour of the stripping part 3 is matched with the outer contour of the bent product 8.

A gap is kept between the first punch and the second punch 1, the first punch and the second punch 1 can move in the vertical direction, and the first forming piece and the second forming piece 2 can be respectively pushed to swing towards the direction close to each other in the movement from top to bottom so that the first forming piece and the second forming piece 2 extrude a material 7 to be bent.

In this example, the stripping member 3, the first punch and the second punch 1 are all installed in the upper die plate, the upper die plate moves in the vertical direction to drive the stripping member 3, the first punch and the second punch 1 to move up and down, and the first punch and the second punch 1 can move again by the driving member.

Further, the device further comprises an elastic part 5, the elastic part 5 is connected with the first forming part and the second forming part, when the first punch and the second punch 1 respectively push the first forming part and the second forming part to swing towards the direction close to each other, the elastic part 5 is compressed, when the first punch and the second punch 1 return, the first forming part and the second forming part can return under the elastic force of the elastic part 5, the elastic part 5 is connected with the first forming part and the second forming part on one hand to prevent the first forming part and the second forming part from being separated from the corresponding first accommodating groove and the second accommodating groove, and on the other hand, the first forming part and the second forming part can return.

The placing table 6 is provided with a groove for accommodating the elastic piece 5, and the groove is communicated with the first accommodating groove and the second accommodating groove.

The first and second formed parts 2 have upper portions and bottom portions, the bottom portions of the first and second formed parts 2 are respectively located in the first and second accommodating grooves, and the upper portions of the first and second formed parts 2 are respectively exposed from the notches of the first and second accommodating grooves. The outer contours of the bottoms of the first forming part and the second forming part 2 are respectively matched with the inner contours of the bottoms of the first accommodating groove and the second accommodating groove, so that the first forming part and the second forming part 2 can respectively swing laterally in the first accommodating groove and the second accommodating groove smoothly, and cannot be damaged during swinging.

The upper parts of the first forming part and the second forming part 2 are provided with a first inclined surface 21 and a second inclined surface 22, and the first inclined surface 21 is used for abutting against the material 7 to be bent on the placing table 6; the second inclined surface 22 of the first forming part and the second inclined surface 22 of the second forming part are respectively used for abutting against the first punch and the second punch 1.

In this example, referring to fig. 5, a form of the product, the material to be bent 7 is U-shaped; referring to fig. 6, the formed bent product 8 is wide at the top and narrow at the bottom, the upward-pointing bent product 8 is placed on the placing table 6, the diameter of the bent product 8 gradually increases from the upper end to the lower end, correspondingly, the first inclined plane 21 of the first forming member extends downward in an inclined manner from the upper end to the lower end to the side far away from the second forming member, and the first inclined plane 21 of the second forming member extends downward in an inclined manner from the upper end to the lower end to the side far away from the first forming member; the second inclined surface 22 of the first molding member extends obliquely downward from the upper end to the lower end thereof to the side away from the second molding member, and the second inclined surface 22 of the second molding member extends obliquely downward from the upper end to the lower end thereof to the side away from the first molding member.

The first punch and the second punch 1 are respectively provided with a pushing surface, correspondingly, the pushing surface of the first punch and the pushing surface of the second punch are respectively matched with the second inclined surface 22 of the first punch and the second inclined surface 22 of the second punch, the pushing surface of the first punch obliquely and downwardly extends from the upper end to the lower end of the first punch to one side far away from the second punch, and the pushing surface of the second punch obliquely and downwardly extends from the upper end to the lower end of the second punch to one side far away from the first punch.

Correspondingly, the diameter of the stripping part 3 is gradually increased from the upper end to the lower end, so that the material 7 to be bent can be better shaped, and the formed bent product 8 is driven to be separated from the placing table 6 after the product is formed.

In some embodiments, the bent product may also have other shapes, and the first inclined surface 21 and the second inclined surface 22 of the first forming part and the second forming part 2, the stripper part 3, and the pushing surfaces of the first punch and the second punch 1 may be made into corresponding shapes matched with the first forming part and the second forming part.

Further, the placing table 6 is narrow at the top and wide at the bottom, the placing table 6 has an upper surface, a first left side surface 61, a second left side surface 62, a first right side surface 63, and a second right side surface 64, the first left side surface 61 and the second left side surface 62 are sequentially connected from top to bottom and are both located on the left side of the placing table 6, the first right side surface 63 and the second right side surface 64 are sequentially connected from top to bottom and are both located on the right side of the placing table 6, the material 7 to be bent is placed on the upper surface of the placing table 6, the first left side surface 61 and the first right side surface 63 of the placing table 6 are respectively opposite to the first inclined surface 21 of the first forming element and the first inclined surface 21 of the second forming element, the first left side surface 61 of the placing table 6 extends obliquely and downwardly from the upper end to the lower end to the side far away from the second forming element, and the first right side surface 63 of the placing table 6 extends obliquely and downwardly from the upper end to the lower end.

The right side of the first molded part and the left side of the second molded part also have a middle side 23, the middle side 23 is located between the first inclined surface 21 and the lower side, the lower side of the first molded part is located in the first accommodating groove, the lower side of the second molded part is located in the second accommodating groove, that is, the middle side 23 of the first molded part and the middle side 23 of the second molded part respectively extend out of the first accommodating groove and the second accommodating groove, a gap is maintained between the first inclined surface 21 and the middle side 23 of the first molded part and the first left side 61 and the second left side 62 of the placing table 6, and a gap is maintained between the first inclined surface 21 and the middle side 23 of the second molded part and the first right side 63 and the second right side 64 of the placing table 6, so that the first molded part and the second molded part 2 are respectively kept in a gap with the placing table 6, and the first molded part and the second molded part 2 cannot collide with the placing table 6 when the first molded part and the second molded part 2 swings, and the first molded part and the second molded part 2 cannot be damaged.

The specific implementation mode of using the bending device of the application to produce bent products is as follows: the material to be bent is placed on the placing table 6, referring to fig. 1, the upper die moves downwards, after the stripping part 3 presses the material, the first punch and the second punch 1 respectively push the first forming part and the second forming part 2 downwards to move simultaneously (one of the first forming part and the second forming part 2 moves leftwards, and the other moves rightwards), and the bending is finely adjusted to reach the required size requirement, as shown in fig. 3. Then the upper die starts to move the first punch and the second punch 1 upwards to leave the first forming part and the second forming part 2, and the elastic part 5 drives the first punch and the second punch 1 to jack back to the initial positions, so that one action can be completed, as shown in fig. 1.

According to the bending device provided by the embodiment, the fixing seat 4, the first forming part and the second forming part are arranged, the first forming part and the second forming part 2 can swing towards the direction close to or away from each other in the first accommodating groove and the second accommodating groove respectively to extrude the material 7 to be bent, and the side-swinging type fine adjustment structure can avoid damage to the first forming part and the second forming part caused by unsmooth sliding of the original first forming part and the second forming part, reduce the manufacturing cost of parts and avoid potential safety hazards.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (10)

1. A bending device is characterized by comprising an upper die and a lower die, wherein the lower die comprises a fixed seat, a first forming part and a second forming part, the fixed seat is provided with a placing table, a first accommodating groove and a second accommodating groove, the placing table is used for placing a material to be bent, the first accommodating groove and the second accommodating groove are respectively positioned at the left side and the right side of the placing table, and the first forming part and the second forming part are respectively arranged in the first accommodating groove and the second accommodating groove and can swing towards the direction close to or away from each other in the first accommodating groove and the second accommodating groove; the upper die comprises a stripping part, a first punch and a second punch, the stripping part and the placing table are arranged oppositely, the stripping part is used for shaping a material to be bent and driving a formed bent product to be separated from the placing table, and the first punch and the second punch are respectively used for pushing the first forming piece and the second forming piece to swing towards the direction close to each other so as to extrude the material to be bent.

2. The bending apparatus according to claim 1, further comprising a resilient member connecting said first forming member to said second forming member.

3. The bending device according to claim 1 or 2, wherein the upper parts of the first forming part and the second forming part are respectively provided with a first inclined surface, and the first inclined surfaces are used for abutting against the material to be bent on the placing table; the outer contours of the bottoms of the first forming part and the second forming part are respectively matched with the inner contours of the bottoms of the first accommodating groove and the second accommodating groove.

4. The bending apparatus according to claim 3, wherein the bottom portions of the first and second mold members are each hemispherical.

5. The bending apparatus as claimed in claim 3, wherein the first inclined surface of the first forming member extends obliquely downward from the upper end to the lower end thereof to a side away from the second forming member, and the first inclined surface of the second forming member extends obliquely downward from the upper end to the lower end thereof to a side away from the first forming member.

6. The bending device according to claim 3, wherein the upper portions of the first and second forming members further have second inclined surfaces, the second inclined surfaces of the first and second forming members are respectively used for abutting against the first and second punches, the second inclined surface of the first forming member extends obliquely downward from the upper end to the lower end thereof to a side away from the second forming member, and the second inclined surface of the second forming member extends obliquely downward from the upper end to the lower end thereof to a side away from the first forming member.

7. The bending device according to claim 5, wherein the stripper member has a diameter that gradually increases from an upper end to a lower end thereof.

8. The bending device according to claim 7, wherein the placing table is narrow at the top and wide at the bottom.

9. The bending apparatus according to claim 6, wherein the first punch and the second punch are movable in a vertical direction.

10. The bending device according to claim 9, wherein the first punch and the second punch each have a pushing surface, and the pushing surfaces of the first punch and the second punch are respectively adapted to the second inclined surface of the first punch and the second inclined surface of the second punch.

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