CN212703844U

CN212703844U - Once negative angle folding device

Info

Publication number: CN212703844U
Application number: CN202021628110.XU
Authority: CN
Inventors: 赵俊东; 刘强
Original assignee: Lexus Spring Technology Changzhou Co ltd
Current assignee: Lexus Spring Technology Changzhou Co ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-03-16
Anticipated expiration: 2030-08-07

Abstract

The utility model relates to a roll over negative angle device once, including last mould subassembly, lower mould subassembly, it is provided with two drift subassemblies to go up the symmetry on the mould subassembly, be equipped with the slotting tool between the drift subassembly, the drift subassembly includes swing fixed block and swing drift, swing fixed block fixed connection is on last mould subassembly, the swing drift is connected with the swing fixed block through the pivot, lower mould subassembly symmetry is provided with two pendulum piece subassemblies relative with drift subassembly position, pendulum piece subassembly includes pendulum piece fixing base and shaping pendulum piece, pendulum piece fixing base fixed connection is on lower mould subassembly, the shaping pendulum piece is connected with pendulum piece fixing base through the pivot, the upper portion that is equipped with the protruding shaping pendulum piece of bending of swing drift lower part is equipped with and bends the protruding corresponding groove of bending. The utility model discloses press through swing drift and shaping pendulum piece cooperation and roll over panel during the use, the operation is very simple, and production efficiency is high, the one shot forming of bending of product both sides, and the uniformity is better, and the quality of product is also higher.

Description

Once negative angle folding device

The technical field is as follows:

the utility model relates to a stamping machinery technical field especially relates to a once roll over negative angle device.

Background art:

the stamping die is a special process equipment for processing materials (metal or nonmetal) into parts (or semi-finished products) in cold stamping, and is called cold stamping die (commonly called cold stamping die). Bending refers to a stamping process of bending a sheet material into a required angle and shape along a bending line. At present, the five metals structure often needs the negative angle to bend, and prior art when folding the negative angle to the product, at first will bend into 90 degrees through stamping die with the product, then secondary operation bends into the negative angle that needs again. The negative angle folding process is complex in procedure, two sets of stamping dies are required to be used, the negative angle folding process can be formed only through more than two operations, the manufacturing cost and the labor cost are high, the production and machining efficiency is low, the two sides of a plurality of products need to be symmetrically bent, however, only one side of each product needs to be machined firstly, the other side of each product needs to be machined, the symmetry of the folding angles of the two sides of each product is difficult to guarantee, and the product quality is poor.

The utility model has the following contents:

the utility model aims at the defect of prior art, provide a convenient to use, easy operation, work efficiency is high, the negative angle device of once rolling over that product quality is good.

The utility model discloses a realize through following technical scheme: a negative angle bending device for one time comprises an upper die assembly and a lower die assembly, wherein two punch assemblies are symmetrically arranged on the upper die assembly, a slotting tool is arranged between the punch assemblies, each punch assembly comprises a swing fixed block and a swing punch, the swing fixed block is fixedly connected to the upper die assembly, the swing punch is connected with the swing fixed block through a rotating shaft, the lower die assembly is symmetrically provided with two swing block assemblies opposite to the punch assemblies in position, each swing block assembly comprises a swing block fixed seat and a forming swing block, the swing block fixed seats are fixedly connected to the lower die assembly, the forming swing blocks are connected with the swing block fixed seats through rotating shafts, bending bulges are arranged at the lower part of the swing punch, bending grooves corresponding to the bending bulges are formed in the upper parts of the forming swing blocks, and first slope surfaces and guide grooves are respectively arranged on two sides of the bending bulges, and second slope surfaces corresponding to the first slope surfaces and guide protrusions corresponding to the guide grooves are respectively arranged on two sides in the bending groove.

In the technical scheme, the forming swing block is provided with the return spring, one end of the return spring is arranged in a return spring hole in the forming swing block, and the other end of the return spring is fixedly connected to the lower die assembly.

In the technical scheme, the swing punch is provided with a limiting bulge, and the limiting bulge is positioned on the side part of the swing punch and is abutted against the side part of the slotting tool.

In the technical scheme, a rotating gap is formed in the joint of the swing fixing block and the swing punch, and a rotating gap is formed in the joint of the swing block fixing seat and the forming swing block.

In the above technical scheme, the slotting tool includes the fixed part with upper die base fixed connection and the toper portion of inserting that is located the fixed part lower part, the portion of inserting is with two the clearance position of shaping pendulum block is relative.

In the above technical solution, the molded pendulum block includes a machining region of the front half and an insertion region of the rear half, and the insertion region is located right above the insertion region.

In the above technical scheme, the two swing block fixing seats of the swing block assembly are integrated with each other and are fixedly connected to the lower die assembly through bolts.

The utility model has the advantages that: the utility model discloses press through swing drift and shaping pendulum piece cooperation and roll over panel during the use, in order to press panel both sides into the negative angle, be equipped with the arch of bending and the groove of bending that has certain angle on swing drift and shaping pendulum piece respectively, and adjust the opening direction in the groove of bending through the interval of two shaping pendulum pieces of slotting tool control and make the arch of bending insert the groove of bending, the operation is very simple, high production efficiency, the one-time compression moulding of bending of product both sides, the uniformity is better, the quality of product is also higher.

Description of the drawings:

fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a partially enlarged schematic view of the middle-inserted top-opened shaped pendulum block of the present invention;

FIG. 3 is a side view of FIG. 2;

fig. 4 is a partially enlarged schematic view of a first state of the product bending process of the present invention;

fig. 5 is a partially enlarged schematic view of a second state of the product bending process of the present invention;

fig. 6 is a schematic view of the present invention in a partially enlarged state.

The reference numbers are as follows: an upper die assembly 100; a lower die assembly 200; a punch assembly 300; a swing fixing block 310; oscillating the punch 320; a bent boss 321; a first sloped surface 322; a guide groove 323; a slotting tool 400; a wobble block assembly 500; a swing block holder 510; a shaped pendulum block 520; a bending groove 521; a second ramp surface 522; a guide boss 523; a return spring 524; a return spring aperture 525.

The specific implementation mode is as follows:

the following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention can be clearly and clearly defined.

As shown in fig. 1 and 2, a negative angle folding device for one time comprises an upper die assembly 100 and a lower die assembly 200, two punch assemblies 300 are symmetrically arranged on the upper die assembly 100, a slotting tool 400 is arranged between the punch assemblies 300, each punch assembly 300 comprises a swing fixed block 310 and a swing punch 320, the swing fixed block 310 is fixedly connected to the upper die assembly 100, the swing punch 320 is connected with the swing fixed block 310 through a rotating shaft, the lower die assembly 200 is symmetrically provided with two swing block assemblies 500 opposite to the punch assemblies, each swing block assembly 500 comprises a swing block fixed seat 510 and a forming swing block 520, the swing block fixed seat 510 is fixedly connected to the lower die assembly 200, the forming swing block 520 is connected with the swing block fixed seat 510 through a rotating shaft, the upper part of the swing punch 320, which is provided with a bending protrusion 321, which is provided with a bending groove 521 corresponding to the bending protrusion 321, two sides of the bending protrusion 321 are respectively provided with a first slope 322 and a guide, the bent groove 521 is provided at both sides thereof with a second slope surface 522 corresponding to the first slope surface 322 and a guide protrusion 523 corresponding to the guide groove 323.

The forming rocker 520 is provided with a return spring 524, one end of the return spring 524 is arranged in a return spring hole 525 on the forming rocker 520, and the other end is fixedly connected to a boss or other fixed structure of the lower die assembly 200.

As shown in fig. 1 to 6, the swing punch 320 is provided with a limiting protrusion 325, and the limiting protrusion 325 is located at a side portion of the swing punch 320 and abuts against a side portion of the slotting tool 400, so that the swing punch 320 has a certain angle in an initial insertion state, and the bending protrusion 321 is more conveniently inserted into the bending groove 521.

As shown in fig. 1 to 6, a rotation gap is provided at the joint of the swing fixing block 310 and the swing punch 320, and a rotation gap is provided at the joint of the swing block fixing seat 510 and the forming swing block 520.

The slotting tool 400 comprises a fixing part 410 fixedly connected with the upper die base and a conical insertion part 420 positioned at the lower part of the fixing part, wherein the insertion part 420 is opposite to the gap position of two forming swinging blocks 520.

The shaped pendulum block 520 includes a machined region of the front half and an inserted region of the back half, with the insert 420 being located directly above the inserted region so that the swinging punch 320 is not affected while the slotting tool 400 pushes the shaped pendulum block 520 open.

The pendulum block holders 510 of the two pendulum block assemblies 500 are integrated with each other and fixedly connected to the lower mold assembly 200 by bolts.

When the utility model is used, the upper die assembly 100 moves downwards, firstly, the slotting tool contacts the forming swing block 520 of the lower die assembly 200, and the two forming swing blocks 520 are unfolded, at the moment, the return spring 524 is compressed to a top dead state, the upper die assembly 100 drives the punch assembly 300 to move downwards, the initial contact material is bent, the bending angle alpha is 85 degrees, the bending protrusion 321 of the swinging punch of the upper die assembly 100, which inclines 320, moves along the bending groove 521 of the forming swing block 520 to continuously press the plate, the die is bent and formed until the die moves to the bottom dead center, the die is completely closed, the bending angle beta is changed to 140 degrees to complete the bending, at the moment, the upper die assembly 100 is reset upwards, the slotting tool 400 leaves the forming swing block 520 of the lower die assembly, the acting force of the slotting tool 400 is avoided, the forming swing block 520 is restored to the initial position under the acting force of the return spring 524, and the product can be taken out smoothly in the vertical direction.

In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "disposed," "provided," and the like 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 in specific cases to those skilled in the art.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "side", 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 in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Finally, it should be noted that: the above embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A once negative angle folding device is characterized in that: comprises an upper die component (100) and a lower die component (200), wherein two punch components (300) are symmetrically arranged on the upper die component (100), a slotting tool (400) is arranged between the punch components (300), each punch component (300) comprises a swinging fixing block (310) and a swinging punch (320), the swinging fixing block (310) is fixedly connected to the upper die component (100), the swinging punch (320) is connected with the swinging fixing block (310) through a rotating shaft,

the lower die assembly (200) is symmetrically provided with two swinging block assemblies (500) opposite to the punch assembly, each swinging block assembly (500) comprises a swinging block fixing seat (510) and a forming swinging block (520), the swinging block fixing seats (510) are fixedly connected to the lower die assembly (200), the forming swinging blocks (520) are connected with the swinging block fixing seats (510) through rotating shafts,

the bending punch is characterized in that a bending protrusion (321) is arranged on the lower portion of the swing punch (320), a bending groove (521) corresponding to the bending protrusion (321) is formed in the upper portion of the forming swing block (520), a first slope surface (322) and a guide groove (323) are respectively arranged on two sides of the bending protrusion (321), a second slope surface (522) corresponding to the first slope surface (322) is respectively arranged on two sides in the bending groove (521), and a guide protrusion (523) corresponding to the guide groove (323).

2. The negative angle folding device according to claim 1, wherein: and a return spring (524) is arranged on the forming swing block (520), one end of the return spring (524) is arranged in a return spring hole (525) on the forming swing block (520), and the other end of the return spring is fixedly connected to the lower die assembly (200).

3. The negative angle folding device according to claim 1, wherein: the swing punch (320) is provided with a limiting protrusion (325), and the limiting protrusion (325) is located on the side portion of the swing punch (320) and abuts against the side portion of the slotting tool (400).

4. The negative angle folding device according to claim 1, wherein: the joint of the swing fixed block (310) and the swing punch (320) is provided with a rotating gap, and the joint of the swing block fixed seat (510) and the forming swing block (520) is provided with a rotating gap.

5. The negative angle folding device according to claim 1, wherein: the slotting tool (400) include with go up mould subassembly (100) fixed connection's fixed part (410) and be located toper inserted part (420) of fixed part (410) lower part, inserted part (420) and two the clearance position of shaping pendulum piece (520) is relative.

6. The negative angle folding device of claim 5, wherein: the molded pendulum block (520) comprises a processing area of a front half part and an insertion area of a rear half part, and the insertion part (420) corresponds to the position of the insertion area.

7. The negative angle folding device according to claim 1, wherein: the swing block fixing seats (510) of the two swing block assemblies (500) are mutually integrated and fixedly connected to the lower die assembly (200) through bolts.