CN212285545U

CN212285545U - Bending mechanism for die

Info

Publication number: CN212285545U
Application number: CN202020290534.3U
Authority: CN
Inventors: 陈枫
Original assignee: Anji Shenli Machinery Co ltd
Current assignee: Anji Shenli Machinery Co ltd
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2021-01-05
Anticipated expiration: 2030-03-10

Abstract

The utility model discloses a bending mechanism for a mould, which comprises a lower mould frame, a bending device arranged on the lower mould frame, an upper mould frame and a driving device arranged on the upper mould frame, wherein the bending device comprises an arc-shaped groove arranged on the lower mould frame, an arc-shaped plate arranged on the arc-shaped groove, a base arranged on the lower mould frame, a first movable groove and a second movable groove arranged on the base, a lower pressing piece arranged in the first movable groove, an upper pressing piece matched with the lower pressing piece, a positioning piece arranged in the second movable groove and a reset component; through the setting of the device of buckling, can confirm the shape of work piece, through drive arrangement's setting, can exert pressure from the top of work piece, make the work piece buckle into required shape, push down the piece and push up and reduce and can buckle the work piece simultaneously, the setting element can maintain the stability of the in-process work piece of buckling, reset part can make timely the reseing of arc, convenient to use.

Description

Bending mechanism for die

Technical Field

The utility model belongs to the technical field of the mould, especially, relate to a bending mechanism for mould.

Background

The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of article appearance is realized mainly through the change of the shaping material physical state, and current mould is comparatively inconvenient to the buckling of work piece, and the process of buckling is unstable inadequately moreover.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome prior art not enough, provide a buckle mechanism for mould of buckling convenience, stable operation.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a bending mechanism for a die comprises a lower die frame, a bending device arranged on the lower die frame, an upper die frame and a driving device arranged on the upper die frame, wherein the bending device comprises an arc-shaped groove arranged on the lower die frame, an arc-shaped plate arranged on the arc-shaped groove, a base arranged on the lower die frame, a first movable groove and a second movable groove arranged on the base, a lower pressing piece arranged in the first movable groove, an upper pressing piece matched with the lower pressing piece, a positioning piece arranged in the second movable groove and a reset component; through the setting of the bending device, the shape of the workpiece can be determined, through the setting of the driving device, the pressure can be applied from the top of the workpiece, the workpiece is bent into a required shape, the arc-shaped groove is positioned on the lower die frame, the arc-shaped plate is positioned in the arc-shaped groove and can rotate in the arc-shaped groove, the base is positioned above the lower die, the first movable groove and the second movable groove can respectively enable the arc-shaped plate to enter, the lower pressing piece is positioned below the workpiece, the upper pressing piece is positioned right above the lower pressing piece, the lower pressing piece and the upper pressing piece can simultaneously bend the workpiece, the positioning piece can maintain the stability of the workpiece in the bending process, and the reset component can enable the arc-shaped plate to reset timely, so that the use is convenient.

The lower pressing piece comprises a fourth plate body, a first inclined part arranged at the top of the fourth plate body, a first notch arranged at one side of the fourth plate body, a first inserting rod matched with the first notch and a second inclined part arranged at the bottom of the fourth plate body; the first inclined portion is located at the top of the fourth plate body and can be adjusted according to the bending angle and the shape required by a workpiece, the first notch is located on one side of the fourth plate body, the first inserting rod can slide in the first notch to prevent the lower pressing piece from being separated from the first movable groove too much, and the second inclined portion can be abutted to the arc-shaped plate and is more convenient to use.

The arc-shaped plate is a semi-cylinder, and a rotating shaft is arranged in the middle of the arc-shaped plate; the semi-cylinder can conveniently rotate inside the arc-shaped groove, and the rotating shaft is located between the arc-shaped plate and the base, so that the resistance of the arc-shaped plate during rotation can be reduced.

The reset component comprises a pull rod arranged on the side wall of the arc-shaped plate, a first groove body arranged on the lower die carrier and a tension spring arranged on the first groove body; the pull rod is located the inside of arc, and first cell body is located the die carrier down, and the extension spring is located between pull rod and the die carrier, can stimulate the arc and reset.

The positioning piece comprises a first plate body, a second notch arranged on the first plate body, a second inserted rod matched with the second notch, a third inclined part arranged at the bottom of the first plate body and a second plate body arranged on the first plate body; the first plate body is located the bottom of second activity groove, and the second breach is located one side of first plate body, and the second inserted bar can slide in the second breach is inside, prevents to move down too much distance, and third rake and arc butt make the rotation of arc more convenient, and the second plate body is located the top of first plate body, and the second plate body upwards extends to the top of base, goes up the casting die and can drive the second plate body when pushing down and push down, makes to buckle more stably.

The driving device comprises a movable die arranged on the upper die frame, a guide part arranged on the movable die, a pressing plate arranged at the bottom of the guide part and a second groove body matched with the second plate body for use; the upper pressing piece is fixed on the movable die; the movable mould is located the below of die carrier, and the guide part can lead to the pressure strip, makes compressing tightly of work piece more firm, and the second cell body is located the movable mould, goes up inside the second cell body can be inserted to the second plate body, and it is more convenient to use.

The guide component comprises a through hole arranged on the movable die, a limiting plate arranged in the through hole, a guide rod arranged on the limiting plate and a spring arranged between the limiting plate and the pressing plate; the through-hole is located the movable mould, and the limiting plate is located the inside of through-hole, can carry on spacingly to the guide arm, can prevent that the guide arm from breaking away from the through-hole, and the spring is located the outside of guide arm, makes the guide arm can go up and down for the through-hole.

The upper pressing piece comprises a third plate body and a fourth inclined part arranged at the bottom of the third plate body; a third groove body is arranged on the pressing plate; the third plate body is fixed on the movable die, the third plate body penetrates through the third groove body, the shape of the fourth inclined part is complementary with that of the first inclined part, and the thicknesses of the bent workpieces can be the same.

To sum up, the utility model discloses a setting of the device of buckling can be confirmed the shape of work piece, setting through drive arrangement, can exert pressure from the top of work piece, make the work piece buckle into required shape, the arc wall is located die carrier down, the arc is located the arc wall, and can be at the arc wall internal rotation, the base is located the top of bed die, first movable groove and second movable groove enable the arc part respectively and get into, the holding down piece is located the below of work piece, the holding down piece is located the holding down piece directly over, the holding down piece can buckle the work piece simultaneously with last pressure reduction, the setting element can maintain the stability of the in-process work piece of buckling, reset part can make timely the reseing of arc, high durability and convenient use.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a left side view of the present invention.

Fig. 3 is a cross-sectional view taken at a-a in fig. 2.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is a cross-sectional view taken at B-B in fig. 2.

Fig. 6 is an enlarged view at B in fig. 5.

Detailed Description

As shown in fig. 1-6, a bending mechanism for a mold comprises a lower mold frame 1, a bending device disposed on the lower mold frame 1, an upper mold frame 3, and a driving device disposed on the upper mold frame 3, wherein the bending device comprises an arc-shaped groove 21 disposed on the lower mold frame 1, an arc-shaped plate 22 disposed on the arc-shaped groove 21, a base 23 disposed on the lower mold frame 1, a first movable groove 24 and a second movable groove 25 disposed on the base 23, a lower pressing member disposed in the first movable groove 24, an upper pressing member used in cooperation with the lower pressing member, a positioning member disposed in the second movable groove 25, and a reset member; the shape of a workpiece can be determined through the arrangement of a bending device, the pressure can be applied from the top of the workpiece through the arrangement of a driving device, so that the workpiece is bent into a required shape, the arc-shaped groove 21 is positioned on the lower die carrier 1, the arc-shaped plate 22 is positioned in the arc-shaped groove 21 and can rotate in the arc-shaped groove 21, the base 23 is positioned above the lower die, the first movable groove 24 and the second movable groove 25 can respectively enable the arc-shaped plate 22 to partially enter, the lower pressing piece is positioned below the workpiece, the upper pressing piece is positioned right above the lower pressing piece, the lower pressing piece and the upper pressure reducing piece can simultaneously bend the workpiece, the positioning piece can maintain the stability of the workpiece in the bending process, and the arc-shaped plate 22 can be timely reset through the reset component, so that the use is; during the use, place the work piece and push down between the piece and last casting die, make the casting die push down afterwards, setting element in the second activity groove 25 this moment can downstream, and promote arc 22 and rotate in arc 21 is inside, the other end of arc 22 can push down the piece upward movement this moment, the casting die can exert pressure to the work piece with pushing down the homoenergetic, thereby accomplish buckling of work piece, the setting element can carry out the pressure testing to the work piece simultaneously when pushing down the piece downward movement, it is more convenient to use.

The lower pressing piece comprises a fourth plate body 261, a first inclined part 262 arranged at the top of the fourth plate body 261, a first notch 263 arranged at one side of the fourth plate body 261, a first inserted link 264 matched with the first notch 263 and a second inclined part 265 arranged at the bottom of the fourth plate body 261; the first inclined portion 262 is located at the top of the fourth plate body 261 and can be adjusted according to the bending angle and shape required by a workpiece, the first notch 263 is located at one side of the fourth plate body 261, the first insert rod 264 can slide in the first notch 263 to prevent the lower part from being separated from the first movable groove 24 too much, and the second inclined portion 265 can be abutted to the arc-shaped plate 22, so that the use is more convenient; during the use, the part that the arc 22 is located first activity groove 24 one side can be to second slope 265, makes fourth plate body 261 rise, and first slope 262 on the fourth plate body 261 can the upward movement to outstanding base 23 top, accomplishes the bending of work piece, and meanwhile, first inserted bar 264 can slide in first breach 263 is inside, can prevent the too much outstanding base 23 of first slope 262, avoids the work piece to receive longitudinal shearing force to damage, uses more stably.

The arc-shaped plate 22 is a semi-cylinder, and a rotating shaft 221 is arranged in the middle of the arc-shaped plate 22; the semi-cylinders can conveniently rotate in the arc-shaped grooves 21, and the rotating shaft 221 is positioned between the arc-shaped plates 22 and the base 23, so that the resistance of the arc-shaped plates 22 in rotation can be reduced; when the arc plate 22 rotates, the rotating shaft 221 rotates along with the arc plate 22, so that the pushing up of the pushing-down piece is more convenient.

The reset component comprises a pull rod 291 arranged on the side wall of the arc-shaped plate 22, a first groove 292 arranged on the lower die carrier 1 and a tension spring 293 arranged on the first groove 292; the pull rod 291 is located inside the arc-shaped plate 22, the first groove 292 is located on the lower die frame 1, and the tension spring 293 is located between the pull rod 291 and the lower die frame 1 and can pull the arc-shaped plate 22 to reset; after the workpiece is bent, the tension spring 293 pulls the pull rod 291 to move downward, so that the arc plate 22 can be timely reset, and more specifically, the first groove 292 extends upward partially, so that the tension spring 293 can adapt to the rotation of the arc plate 22, and the damage of the tension spring 293 is avoided.

The positioning element comprises a first plate 281, a second notch 282 arranged on the first plate 281, a second plunger 283 used in cooperation with the second notch 282, a third inclined part 284 arranged at the bottom of the first plate 281, and a second plate 285 arranged on the first plate 281; the first plate body 281 is located at the bottom of the second movable groove 25, the second notch 282 is located at one side of the first plate body 281, the second insert rod 283 can slide in the second notch 282 to prevent the second insert rod from moving down for too much distance, the third inclined part 284 is abutted against the arc-shaped plate 22 to enable the arc-shaped plate 22 to rotate more conveniently, the second plate body 285 is located above the first plate body 281, the second plate body 285 extends upwards to the upper side of the base 23, and the upper pressing piece can drive the second plate body 285 to press down while pressing down, so that the bending is more stable; during the use, the second plate body 285 can the downstream, and the second plate body 285 can push first plate body 281 downstream, because third rake 284 and arc 22 butt, can drive arc 22 when first plate body 281 moves down and rotate, makes the first movable groove 24 of outstanding that first rake 262 can be more convenient, and meanwhile second inserted bar 283 slides in second breach 282 is inside, avoids the motion of first plate body 281 long distance, and it is more stable to use.

The driving device comprises a movable die 41 arranged on the upper die carrier 3, a guide part arranged on the movable die 41, a pressing plate 43 arranged at the bottom of the guide part and a second groove body 44 matched with the second plate body 285; the upper pressing piece is fixed on the movable die 41; the movable die 41 is positioned below the upper die carrier 3, the guide part can guide the pressing plate 43, so that the workpiece is pressed more firmly, the second groove body 44 is positioned on the movable die 41, and the upper second plate body 285 can be inserted into the second groove body 44, so that the use is more convenient; when the device is used, the movable die 41 is controlled to move downwards, the pressing plate 43 can move downwards and is pressed on a workpiece, so that the workpiece bending process is more stable, and more specifically, the bottom of the pressing plate 43 is provided with a plurality of salient points, so that the workpiece is more stably fixed.

The guide component comprises a through hole 421 arranged on the movable die 41, a limit plate 422 arranged in the through hole 421, a guide rod 423 arranged on the limit plate 422 and a spring 424 arranged between the limit plate 422 and the pressing plate 43; the through hole 421 is located on the movable mold 41, the limit plate 422 is located inside the through hole 421, the guide rod 423 can be limited, the guide rod 423 can be prevented from being separated from the through hole 421, and the spring 424 is located outside the guide rod 423, so that the guide rod 423 can be lifted relative to the through hole 421; when the movable die 41 moves downwards, the pressing plate 43 moves downwards, and when the pressing plate 43 moves above the workpiece, the spring 424 contracts, at which time the guide rod 423 stops moving, and the movable die 41 continues to move downwards until the bending forming of the workpiece is finished.

The upper pressing piece comprises a third plate body 271 and a fourth inclined part 272 arranged at the bottom of the third plate body 271; a third groove 431 is arranged on the pressing plate 43; the third plate body 271 is fixed on the movable die 41, the third plate body 271 penetrates through the third groove body 431, and the fourth inclined part 272 is complementary with the first inclined part 262 in shape, so that the thicknesses of the bent workpieces can be the same; when the movable die 41 moves downwards, the third plate 271 also moves downwards, and the third plate 271 firstly passes through the third groove 431, so that the fourth inclined part 272 contacts with the first inclined part 262, thereby bending the workpiece, and the use is more convenient.

The specific working principle is as follows: when the pressing die is used, the moving die 41 is controlled to move downwards, the pressing plate 43 can descend while the moving die 41 descends, the workpiece is pressed, then the fourth inclined portion 272 on the pressing piece can be in contact with the workpiece, meanwhile, the second plate body 285 can be inserted into the second groove body 44 and moves downwards along with descending of the moving die 41, the first plate body 281 can be pushed to move downwards while the second plate body 285 moves downwards, the arc plate 22 can be stressed to rotate around the rotating shaft 221, then the fourth plate body 261 can move upwards, the first inclined portion 262 on the fourth plate body 261 can move to the upper portion of the base 23 and push part of the workpiece to move upwards, at the moment, the workpiece is bent by the first inclined portion 262 and the fourth inclined portion 272 at the same time, the pressing plate 43 presses the workpiece, and the use is more convenient.

Claims

1. The utility model provides a bending mechanism for mould, includes die carrier (1) down, locate the device of buckling on die carrier (1) down, go up die carrier (3) and locate the drive arrangement on last die carrier (3), its characterized in that: the bending device comprises an arc-shaped groove (21) arranged on the lower die frame (1), an arc-shaped plate (22) arranged on the arc-shaped groove (21), a base (23) arranged on the lower die frame (1), a first movable groove (24) and a second movable groove (25) arranged on the base (23), a pressing piece arranged in the first movable groove (24), an upper pressing piece matched with the pressing piece, a positioning piece arranged in the second movable groove (25) and a reset component.

2. The bending mechanism for a die according to claim 1, wherein: the lower pressing piece comprises a fourth plate body (261), a first inclined portion (262) arranged at the top of the fourth plate body (261), a first notch (263) arranged on one side of the fourth plate body (261), a first inserting rod (264) matched with the first notch (263) for use, and a second inclined portion (265) arranged at the bottom of the fourth plate body (261).

3. The bending mechanism for a die according to claim 1, wherein: the arc-shaped plate (22) is a semi-cylinder, and a rotating shaft (221) is arranged in the middle of the arc-shaped plate (22).

4. The bending mechanism for a die according to claim 1, wherein: the reset component comprises a pull rod (291) arranged on the side wall of the arc-shaped plate (22), a first groove body (292) arranged on the lower die frame (1) and a tension spring (293) arranged on the first groove body (292).

5. The bending mechanism for a die according to claim 1, wherein: the positioning piece comprises a first plate body (281), a second notch (282) arranged on the first plate body (281), a second insert rod (283) matched with the second notch (282), a third inclined part (284) arranged at the bottom of the first plate body (281) and a second plate body (285) arranged on the first plate body (281).

6. The bending mechanism for a die according to claim 1, wherein: the driving device comprises a movable die (41) arranged on the upper die carrier (3), a guide part arranged on the movable die (41), a pressing plate (43) arranged at the bottom of the guide part and a second groove body (44) matched with the second plate body (285) for use; the upper pressing piece is fixed on the movable die (41).

7. The bending mechanism for a die according to claim 6, wherein: the guide component comprises a through hole (421) arranged on the movable die (41), a limiting plate (422) arranged in the through hole (421), a guide rod (423) arranged on the limiting plate (422), and a spring (424) arranged between the limiting plate (422) and the pressing plate (43).

8. The bending mechanism for a die according to claim 6, wherein: the upper pressing piece comprises a third plate body (271) and a fourth inclined part (272) arranged at the bottom of the third plate body (271); and a third groove body (431) is arranged on the pressing plate (43).