CN216679750U

CN216679750U - Mechanical mechanism for delayed release of die core on drawing die

Info

Publication number: CN216679750U
Application number: CN202123306305.XU
Authority: CN
Inventors: 董智赛
Original assignee: Yangzhou Zhiyu Automobile Mould Co ltd
Current assignee: Yangzhou Zhiyu Automobile Mould Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-06-07
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a mechanical mechanism for delayed release of an upper mold core of a drawing mold, which comprises a base, wherein two sides of the top end of the base are fixedly connected with fixed rods, the top ends of the two fixed rods are fixedly provided with fixed seats, two sides of the bottom end of each fixed seat are movably connected with buffer blocks, a lower mold is fixedly arranged in the middle of the top end of the base, the top end of the base is movably connected with a top plate, the middle of the bottom end of the top plate is fixedly provided with an upper mold, the two buffer blocks are driven by a bidirectional screw rod to move oppositely, a gear on the top plate is always attached to a rack through the elasticity of a spring in a movable groove, the upper mold moves up and down in the rack on the inclined surface of the buffer block, the lifting process of the upper mold is slowed down, the release of the upper mold and the mold core is more stable through the meshing of the rack and the gear, so that parts in the drawing mold are not easy to deform due to the quick release of the upper mold core when the mold is opened, and the rejection rate of parts is reduced.

Description

Mechanical mechanism for delayed release of die core on drawing die

Technical Field

The utility model relates to a drawing die, in particular to a mechanical mechanism for delayed release of a die core on the drawing die, and belongs to the technical field of die processing.

Background

The drawing die is used for drawing a metal plate into a cup-shaped or arc-shaped part, a sheet of an inextensible curved surface workpiece is locally stretched or drawn in the drawing process, the drawing die is frequently used in the manufacturing process of parts such as automobiles, and when the drawing die is opened, an upper die core of the drawing die is released along with the lifting of the upper die.

For example, the name of application No. CN 113579074 a is: the Chinese patent of 'a mechanical mechanism for delayed release of an upper die core of a drawing die' discloses a mechanical mechanism for delayed release of an upper die core of a drawing die, which comprises a delay unit, wherein the delay unit comprises a support roller capable of horizontally reciprocating and a rotary support block abutted against the support roller, support boxes are distributed on a lower die seat at equal intervals, the support roller is arranged in the support boxes, the rotary support block is hinged to the peripheral side of a blank holder, a raised block is formed by downward extension of the peripheral side of the upper die core, and when the die is closed, the lower surface of the raised block is abutted against the upper surface of the rotary support block. The mechanical mechanism for delayed release of the upper die core of the drawing die adopts a mode that the rotary supporting block and the convex block are mutually matched, so that the upper die core is ensured not to be released immediately after the die is opened, the effect of delaying release is achieved, the processing quality of parts is ensured, waste products are avoided, and the mechanical mechanism has better economy.

The existing drawing die cannot safely release the upper die core, the upper die and the lower die need to be separated after the drawing die is used for processing, the die core of the upper die is released along with the rising of the upper die, if the releasing speed of the upper die core is too high, parts in the die can be deformed, the rejection rate is increased, and the normal processing process of the drawing die is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a mechanical mechanism for releasing an upper die core of a drawing die in a delayed manner, so as to solve the problem that the upper die core cannot be safely released by the drawing die in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the mechanical mechanism comprises a base, wherein fixing rods are fixedly connected to two sides of the top end of the base, fixing seats are fixedly arranged at the tops of the two fixing rods, buffer blocks are movably connected to two sides of the bottom end of the fixing seats, a lower die is fixedly arranged in the middle of the top end of the base, a top plate is movably connected to the top end of the base, and an upper die is fixedly arranged in the middle of the bottom end of the top plate.

As a preferred technical scheme, two sides of the middle part of the top end of the base are fixedly connected with fixed sleeves, and the top ends of the two fixed sleeves are connected with movable rods in an inserting mode.

As a preferable technical scheme of the utility model, the middle part of the top end of the fixed sleeve is provided with a movable groove, the movable rod is connected with the inner walls of the two sides of the movable groove in a sliding manner, and the top end of the movable rod is fixedly connected with the top plate.

As a preferable technical scheme of the utility model, a spring is fixedly arranged in the movable groove, the top end of the spring is fixedly connected with the movable rod, and the bottom end of the spring is fixedly connected with the inner wall of the bottom of the movable groove.

As a preferred technical scheme of the utility model, the middle part of the bottom end of the fixed seat is provided with a groove, and the middle part of the inner wall of one side of the groove is movably connected with a bidirectional screw rod.

As a preferred technical scheme of the utility model, two ends of the outer side of the bidirectional screw rod are sleeved with sliding blocks and are in threaded connection, the bottom ends of the two sliding blocks are fixedly connected with connecting rods, and the bottom ends of the connecting rods are fixedly connected with the buffer block.

As a preferred technical scheme of the present invention, a driving motor is fixedly installed inside the fixing seat, an output shaft of the driving motor extends into the groove, and the output shaft of the driving motor is fixedly connected with the bidirectional screw rod.

As a preferred technical scheme of the utility model, a rack is fixedly arranged in the middle of the bottom end of the buffer block, gears are movably connected to the middle of two sides of the top plate through fixing frames, and the rack is meshed with the gears.

Compared with the prior art, the utility model has the beneficial effects that: the utility model discloses a mechanical mechanism for delayed release of an upper die core of a drawing die, which comprises the following components:

two buffer blocks are driven to move oppositely through the bidirectional screw rod, the gear on the top plate is enabled to be attached to the rack all the time through the elasticity of the spring in the movable groove, the gear on the top plate moves up and down in the rack on the inclined plane of the buffer blocks, the lifting process of the upper die is enabled to be slow, the release of the upper die and the die core is enabled to be more stable through the engagement of the rack and the gear, the part in the drawing die is enabled not to deform easily due to the quick release of the upper die core when the die is opened, and the rejection rate of the part is reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a fixing base of the present invention;

FIG. 3 is a schematic diagram of a buffer block structure according to the present invention;

fig. 4 is a schematic view of the movable rod structure of the present invention.

In the figure: 1. a base; 2. a lower die; 3. fixing a sleeve; 4. a movable groove; 5. a movable rod; 6. a spring; 7. a top plate; 8. an upper die; 9. fixing the rod; 10. a fixed seat; 11. a groove; 12. a bidirectional lead screw; 13. a slider; 14. a connecting rod; 15. a buffer block; 16. a rack; 17. a drive motor; 18. a gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a mechanical mechanism for delayed release of a mold core on a drawing die, which comprises:

the utility model provides a mechanical type mechanism of release of mould core time delay on drawing die, includes base 1, the equal fixedly connected with dead lever 9 in both sides on 1 top of base, and the fixed fixing base 10 that is equipped with in top of two dead levers 9, the equal swing joint in both sides of fixing base 10 bottom has buffer block 15, and the fixed bed die 2 that is equipped with in middle part on 1 top of base, the top swing joint of base 1 has roof 7, and the fixed mould 8 that is equipped with in middle part of roof 7 bottom.

Specifically, an upper mold core is arranged inside an upper mold 8, the release of the upper mold core is completed through the rising of the upper mold 8, the cross section of a buffer block 15 is triangular, a rack 16 on the buffer block 15 is positioned in the middle of the triangular bevel edge, when the mold is opened, a driving motor 17 inside a fixed seat 10 is started, an output shaft of the driving motor 17 drives a bidirectional screw 12 in a groove 11 to rotate, two sliders 13 at two ends of the bidirectional screw 12 drive the buffer block 15 to move towards two sides of the fixed seat 10 through a connecting rod 14, so that the distance between the two buffer blocks 15 is increased, a spring 6 in a compression state inside the slider 13 is reset, so that a movable rod 5 is lifted by elasticity, a gear 18 on the upper mold 8 at the top end of the movable rod 5 is in contact with the buffer block 15, the gear 18 rotates in the rack 16 on the bevel edge of the buffer block 15 all the time, the upper mold 8 slowly rises, and the upper mold core in the upper mold 8 is slowly released, and the rejection rate of parts is reduced.

Preferably, the fixed cover 3 of the equal fixedly connected with in both sides at 1 top middle part of base, the top of two fixed covers 3 alternates and is connected with movable rod 5, through the removal of movable rod 5 in fixed cover 3 for the roof 7 and the last mould 8 on movable rod 5 top can the rebound, will go up the mould core release in the mould 8.

Preferably, movable groove 4 has been seted up at the middle part on fixed cover 3 top, and movable rod 5 and movable groove 4's both sides inner wall sliding connection, movable rod 5's top and roof 7 fixed connection, the movable rod 5 on fixed cover 3 top slides in movable groove 4 to make roof 7 and last mould 8 rebound.

Preferably, the fixed spring 6 that is equipped with in the inside of activity groove 4, the top and the movable rod 5 fixed connection of spring 6, the bottom and the activity groove 4 bottom inner wall fixed connection of spring 6, the inside spring 6 of activity groove 4 is in compression state, and the elasticity of spring 6 makes roof 7 and upper die 8 contact with buffer block 15 all the time, rises along with buffer block 15's removal.

Preferably, the middle part of fixing base 10 bottom is seted up flutedly 11, and the middle part swing joint of the inner wall of recess 11 one side has two-way lead screw 12, and the rotation of the inside two-way lead screw 12 of recess 11 can make two buffer blocks 15 remove along with it to make roof 7 and last mould 8 raised.

Preferably, both ends in the two-way lead screw 12 outside are all overlapped and are established and threaded connection has slider 13, and the bottom fixedly connected with connecting rod 14 of two sliders 13, the bottom and the buffer block 15 fixed connection of connecting rod 14 make two sliders 13 move in opposite directions thereupon through the rotation of two-way lead screw 12, and slider 13 drives two buffer blocks 15 through connecting rod 14 and moves in opposite directions.

Preferably, the inside fixed mounting of fixing base 10 has driving motor 17, and driving motor 17's output shaft stretches into the inside of recess 11, and driving motor 17's output shaft and two-way lead screw 12 fixed connection, and driving motor 17's output can drive two-way lead screw 12 at recess 11 shop internal rotation, provides power for raising of roof 7 and last mould 8.

Preferably, the middle part of buffer block 15 bottom is fixed and is equipped with rack 16, there is gear 18 in the middle part of roof 7 both sides through mount swing joint, rack 16 is connected with gear 18 meshing, roof 7 hugs closely with buffer block 15 under the effect of spring 6 elasticity, make when buffer block 15 moves in opposite directions, rack 16 internal rotation on the buffer block 15 hypotenuse of gear 18 on roof 7 top both sides, through rack 16 and gear 18's meshing, make the rising of roof 7 and last mould 8 more steady.

In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The mechanical mechanism for delayed release of the die core on the drawing die comprises a base (1) and is characterized in that fixing rods (9) are fixedly connected to two sides of the top of the base (1), fixing seats (10) are fixedly arranged at the tops of the two fixing rods (9), buffer blocks (15) are movably connected to two sides of the bottom of each fixing seat (10), a lower die (2) is fixedly arranged in the middle of the top of the base (1), a top plate (7) is movably connected to the top of the base (1), and an upper die (8) is fixedly arranged in the middle of the bottom of the top plate (7).

2. The mechanical mechanism for delayed release of the die core on the drawing die as claimed in claim 1, wherein: the base is characterized in that the two sides of the middle part of the top end of the base (1) are fixedly connected with fixing sleeves (3), and the top ends of the fixing sleeves (3) are connected with movable rods (5) in an inserting mode.

3. The mechanical mechanism for delayed release of the die core on the drawing die as claimed in claim 2, wherein: the middle part of the top end of the fixed sleeve (3) is provided with a movable groove (4), the movable rod (5) is connected with the inner walls of the two sides of the movable groove (4) in a sliding manner, and the top end of the movable rod (5) is fixedly connected with the top plate (7).

4. The mechanical mechanism for delayed release of the die core on the drawing die as claimed in claim 3, wherein: the spring (6) is fixedly arranged inside the movable groove (4), the top end of the spring (6) is fixedly connected with the movable rod (5), and the bottom end of the spring (6) is fixedly connected with the inner wall of the bottom of the movable groove (4).

5. The mechanical mechanism for delayed release of the die core on the drawing die as claimed in claim 1, wherein: the middle part of the bottom end of the fixed seat (10) is provided with a groove (11), and the middle part of the inner wall of one side of the groove (11) is movably connected with a bidirectional screw rod (12).

6. The mechanical mechanism for delayed release of the die core on the drawing die as claimed in claim 5, wherein: both ends in the outside of the bidirectional screw rod (12) are all sleeved with sliding blocks (13) in a threaded connection mode, two sliding blocks (13) are fixedly connected with connecting rods (14) at the bottom ends, and the bottom ends of the connecting rods (14) are fixedly connected with the buffer blocks (15).

7. The mechanical mechanism for delayed release of the die core on the drawing die as claimed in claim 5, wherein: the inside fixed mounting of fixing base (10) has driving motor (17), the output shaft of driving motor (17) stretches into the inside of recess (11), just the output shaft and two-way lead screw (12) fixed connection of driving motor (17).

8. The mechanical mechanism for delayed release of the die core on the drawing die as claimed in claim 1, wherein: the middle part of buffer block (15) bottom is fixed and is equipped with rack (16), the middle part of roof (7) both sides has gear (18) through mount swing joint, rack (16) and gear (18) meshing are connected.