CN117733010A

CN117733010A - Mould with action time sequence conversion mechanism

Info

Publication number: CN117733010A
Application number: CN202311819192.4A
Authority: CN
Inventors: 李佳庆
Original assignee: Anhui Qianyuan Mould Co ltd
Current assignee: Anhui Qianyuan Mould Co ltd
Priority date: 2023-12-27
Filing date: 2023-12-27
Publication date: 2024-03-22

Abstract

The invention discloses a die with an action time sequence conversion mechanism, which comprises a connecting side die, wherein the connecting side die is positioned at one side of a stamping bottom die and is fixedly connected with a fixed die seat, and a placing groove is formed in the middle of the connecting side die; the roller assembly is rotationally inserted in the placing groove and comprises a first roller and a second roller, an included angle is formed between the first roller and the second roller, and a third roller is coaxially arranged at one end of the first roller. The roller component that sets up can be at the inside rotation of standing groove of connecting the side form, and the automobile panel is after the punching press is accomplished, and the roller component is rotatory to leave the negative angle position of automobile panel, can directly take out the automobile panel, and the conversion mechanism who sets up can control the motion time sequence of roller component through the regulation of stroke, and two rollers that the contained angle is different deflect in proper order, has solved the problem that two rollers can not move simultaneously.

Description

Mould with action time sequence conversion mechanism

Technical Field

The invention belongs to the technical field of automobile manufacturing, and particularly relates to a die with an action time sequence conversion mechanism.

Background

The automobile panel is a surface or an interior part having a space shape formed by a thin metal plate for covering an engine and a chassis to constitute a cab and a vehicle body. The functions and the parts can be divided into an external covering piece, an internal covering piece and a framework covering piece. They have characteristics different from those of general punched parts in terms of process design, mold processing, equipment selection, quality control, etc. The covering parts are assembled to form the whole external and internal shapes of the automobile body or the cab, are decorative parts in appearance and are stress parts in a closed thin shell shape, and the manufacture of the covering parts is a key link for the manufacture of the automobile body.

The automobile panel is formed in large batch, in order to improve production efficiency and stabilize production quality, a stamping production line is generally adopted for production, after the automobile panel is stamped and formed, the automobile panel cannot be directly taken out of a die due to the negative angle of the side edge of the automobile panel, a plurality of working procedures are required to be added for matching with the die, and the automobile panel is very inconvenient to use.

Disclosure of Invention

Aiming at the problem that a negative angle generated by stamping and forming of an automobile panel influences the automobile panel to be taken out of a die in the prior art, the invention provides the following technical scheme:

a mold with an action timing switching mechanism, comprising:

the connecting side die is positioned at one side of the stamping bottom die and is fixedly connected with the fixed die seat, and a placing groove is formed in the middle of the connecting side die;

the roller assembly is rotationally inserted in the placing groove and comprises a first roller and a second roller, an included angle is formed between the first roller and the second roller, and a third roller is coaxially arranged at one end of the first roller.

As the optimization of the technical scheme, the roller assembly further comprises a first driving cylinder, a second driving cylinder and a third driving cylinder, wherein the output end of the first driving cylinder is hinged with the bottom of the first roller, the output end of the second driving cylinder is hinged with the bottom of the second roller, and the output end of the third driving cylinder is hinged with the bottom of the third roller.

As the preference of above-mentioned technical scheme, still include conversion mechanism, conversion mechanism includes mount pad, goes up mould driving block and swing arm, the grafting recess that matches with last mould driving block is seted up at the swing arm top, the swing arm middle part is provided with rotation portion, the swing arm passes through rotation portion and rotates the grafting inside the mount pad, the swing arm bottom sets up the lower mould slider, the lower mould slider activity is pegged graft in the mount pad.

As the preference of above-mentioned technical scheme, conversion mechanism still includes fixed mounting piece and nitrogen spring, fixed mounting piece and outside mounting bracket fixed connection, the nitrogen spring is located the lower mould slider, nitrogen spring one end and fixed mounting piece fixed connection, nitrogen spring promotes the lower mould slider and removes in the mount pad.

As the optimization of the technical scheme, the end part of the lower die sliding block is provided with a driving wheel, one side of the driving wheel is provided with an auxiliary stop block, and the auxiliary stop block is fixedly connected with the second rolling shaft.

As the optimization of above-mentioned technical scheme, swing arm both ends all rotate the grafting and have auxiliary wheel, and one of them auxiliary wheel is laminated with the lower mould slider.

As a preferable mode of the above technical solution, a plurality of blocking blocks are provided inside the placement groove, and the blocking blocks are used for blocking excessive deflection of the first roller, the second roller and the third roller.

As the optimization of the technical scheme, a plurality of inductors are arranged in the placing groove, a positioning plate is arranged at the top of each inductor, and the positioning plates are fixedly connected with the first rolling shaft, the second rolling shaft and the third rolling shaft respectively.

The beneficial effects of the invention are as follows:

1. the roller assembly can rotate in the placing groove connected with the side die, and after the automobile covering part is stamped, the roller assembly rotates to leave the negative angle position of the automobile covering part, so that the automobile covering part can be directly taken out without adding an operation procedure, and the use of a user is more convenient;

2. the conversion mechanism that sets up can be through the regulation of stroke, can control the motion time sequence of roller component, and two rollers that the contained angle is different deflect in proper order, can adapt to between the roller and set up protruding pointed end because of the cooperation, has solved the problem that two rollers can not move simultaneously to can use on the roller mould of a plurality of different angles.

Drawings

FIG. 1 is a schematic view showing the overall structure of the embodiment;

FIG. 2 is a schematic view of an installation of a roller assembly according to an embodiment;

FIG. 3 is a schematic view of a first state of the roller assembly of the embodiment;

FIG. 4 is a schematic view showing a first state of the switching mechanism according to the embodiment;

FIG. 5 is a schematic diagram showing the first state of the conversion mechanism according to the embodiment;

FIG. 6 is a schematic view of a second state of the roller assembly of the embodiment;

FIG. 7 is a schematic diagram showing a second state of the switching mechanism in the embodiment;

fig. 8 is a schematic diagram showing the second state of the switching mechanism according to the embodiment.

In the figure: 10. connecting the side dies; 11. a placement groove; 12. a blocking piece; 20. a roller assembly; 21. a first rolling shaft; 22. a second rolling shaft; 23. a third roller; 24. driving a first cylinder; 25. driving a second cylinder; 26. driving a third cylinder; 27. an inductor; 28. a positioning plate; 30. a conversion mechanism; 31. a mounting base; 32. an upper die driving block; 33. swing arms; 331. an auxiliary wheel; 34. a lower die slide; 341. a driving wheel; 342. an auxiliary stop block; 35. fixing the mounting plate; 36. nitrogen spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the embodiments and the accompanying drawings.

Examples

In fig. 1 to 2, the mold with the operation timing switching mechanism 30 includes:

the connecting side die 10 is positioned on one side of the stamping bottom die and is fixedly connected with the fixed die seat, and a placing groove 11 is formed in the middle of the connecting side die 10;

the roller assembly 20 is rotatably inserted in the placement groove 11, the roller assembly 20 comprises a first roller 21 and a second roller 22, the contact end of the second roller 22 and the first roller 21 is arranged in a convex shape, an included angle is formed between the first roller 21 and the second roller 22, and a third roller 23 is coaxially arranged at one end of the first roller 21.

The roller assembly 20 that sets up can be at the inside rotation of standing groove 11 of connecting side form 10, and the automobile panel is after the punching press is accomplished, and roller assembly 20 rotation leaves the negative angle position of automobile panel, can directly take out the automobile panel, need not to increase operation for the user uses more conveniently.

In fig. 2, 3 and 6, the roller assembly 20 further includes a first driving cylinder 24, a second driving cylinder 25 and a third driving cylinder 26, wherein an output end of the first driving cylinder 24 is hinged to a bottom of the first roller 21, an output end of the second driving cylinder 25 is hinged to a bottom of the second roller 22, and an output end of the third driving cylinder 26 is hinged to a bottom of the third roller 23.

The first driving cylinder 24, the second driving cylinder 25 and the third driving cylinder 26 are respectively used for providing power for the first rolling shaft 21, the second rolling shaft 22 and the third rolling shaft 23, and the rolling shaft assembly 20 can rotate in the placing groove 11 connected with the side die 10, so that the rolling shaft assembly 20 avoids the negative angle position of the automobile panel, and the automobile panel is conveniently taken out.

In fig. 3-8, the device further comprises a conversion mechanism 30, the conversion mechanism 30 comprises a mounting seat 31, an upper die driving block 32 and a swing arm 33, an inserting groove matched with the upper die driving block 32 is formed in the top of the swing arm 33, a rotating part is arranged in the middle of the swing arm 33, the swing arm 33 is inserted into the mounting seat 31 in a rotating mode through the rotating part, a lower die sliding block 34 is arranged at the bottom of the swing arm 33, and the lower die sliding block 34 is movably inserted into the mounting seat 31.

The conversion mechanism 30 can control the movement time sequence of the roller assembly 20 through the adjustment of the stroke, and the two rollers with different included angles deflect in sequence, so that the convex tip arranged due to the matching between the rollers can be adapted, the problem that the two rollers cannot move simultaneously is solved, and the roller assembly can be used on roller molds with different angles.

In fig. 5 and 8, the conversion mechanism 30 further includes a fixed mounting plate 35 and a nitrogen spring 36, the fixed mounting plate 35 is fixedly connected with the external mounting frame, the nitrogen spring 36 is located in the lower die slide 34, one end of the nitrogen spring 36 is fixedly connected with the fixed mounting plate 35, and the nitrogen spring 36 pushes the lower die slide 34 to move in the mounting seat 31.

The nitrogen spring 36 can move the lower die slide 34 in the mounting seat 31, after the upper die driving block 32 leaves the position of the swing arm 33, the lower die slide 34 can push the swing arm 33 to deflect, the second roller 22 can rotate after losing limit, and the nitrogen spring 36 provides power for resetting the switching mechanism 30, so that the switching mechanism 30 can automatically reset along with the upward movement of the upper die.

In fig. 4 and 7, a driving wheel 341 is disposed at an end of the lower die slide 34, an auxiliary block 342 is disposed at one side of the driving wheel 341, and the auxiliary block 342 is fixedly connected with the second roller 22.

After the second roller 22 deflects, the auxiliary block 342 contacts with the driving wheel 341 and pushes the driving wheel 341 to rotate, so that friction between the auxiliary block 342 and the lower die slide 34 is reduced, and the lower die slide 34 is prevented from being worn due to friction.

In fig. 5 and 8, two ends of the swing arm 33 are rotatably connected with auxiliary wheels 331, and one of the auxiliary wheels 331 is attached to the lower die slide 34.

The auxiliary wheels 331 at two ends of the swing arm 33 can reduce friction with the lower die sliding block 34 and the upper die driving block 32, so that the swing arm 33, the lower die sliding block 34 and the upper die driving block 32 are prevented from being blocked by the switching mechanism 30 due to excessive friction, and the switching mechanism 30 is ensured to work normally, and the second roller 22 is prevented from being blocked and being unable to rotate.

In fig. 2, 3 and 6, a plurality of blocking blocks 12 are disposed inside the placement groove 11, and the blocking blocks 12 are used for blocking excessive deflection of the first roller 21, the second roller 22 and the third roller 23.

The blocking block 12 is provided to block the first, second and third rollers 21, 22 and 23 after being deflected, so as to prevent the first, second and third rollers 21, 22 and 23 from being excessively rotated, thereby defining a moving path of the roller assembly 20.

In fig. 2, 3 and 6, a plurality of sensors 27 are disposed in the placement groove 11, a positioning plate 28 is disposed on the top of the sensor 27, and the plurality of positioning plates 28 are fixedly connected with the first roller 21, the second roller 22 and the third roller 23 respectively.

The sensor 27 is provided to determine the position and state of the roller assembly 20 by the position of the positioning plate 28 to alert the first 21, second 22 and third 23 rollers to move into position, thereby ensuring that the roller assembly 20 is away from the negative angular position of the vehicle panel so as not to interfere with removal of the vehicle panel.

Working principle: after the automobile panel is stamped and formed, the movable die holder drives the stamping upper die to leave, the upper die wedge slide block is separated along with the stamping upper die, the upper die driving block 32 also leaves along with the movable die holder, the swing arm 33 is limited by the upper die driving block 32 to keep in a non-moving state due to the fact that the upper die driving block 32 has a straight line section, the lower die slide block 34 keeps in an original state, the driving wheel 341 limits the rolling shaft II 22 to retract through the auxiliary stop block 342, then the driving cylinder III 26 starts to drive the hinged rolling shaft III 23 to deflect until the bottom of the rolling shaft III 23 contacts with the stop block 12, and the driving cylinder I24 and the driving cylinder III 26 start at the same time, and the rolling shaft I21 hinged with the driving cylinder I deflects along with the driving cylinder I;

after the bottom of the first roller 21 contacts with the blocking block 12, the roller assembly 20 is in the first state, and the upper mold driving block 32 is separated from the straight line position, the lower mold sliding block 34 is retracted back under the action of the return nitrogen spring 36, the driving wheel 341 at the front section is separated from the auxiliary block 342 of the second roller 22, and the lower mold sliding block 34 pushes the swing arm 33 to rotate by taking the rotating part as the center through the auxiliary wheel 331 at the bottom end of the swing arm 33 until the auxiliary wheel 331 at the top end of the swing arm 33 contacts with the bottom of the upper mold driving block 32;

the second cylinder 25 is then driven to operate to drive the hinged second roller 22 until the bottom of the second roller 22 contacts the stop block 12, so that the automobile panel can be removed, the first roller 21 needs to be moved into position when the mold is opened, the second roller 22 can be moved, and the second roller 22 needs to be moved into position when the mold is closed, the first roller 21 can be moved, and the movement state is exactly opposite to the opening.

The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting.

Claims

1. The die with the action time sequence conversion mechanism is characterized by comprising:

the connecting side die (10) is positioned on one side of the stamping bottom die and is fixedly connected with the fixed die seat, and a placing groove (11) is formed in the middle of the connecting side die (10);

the roller assembly (20), roller assembly (20) rotate and peg graft in standing groove (11), roller assembly (20) are including roller one (21) and roller two (22), be provided with the contained angle between roller one (21) and the roller two (22), roller one (21) one end coaxial be provided with roller three (23).

2. The mold with motion timing conversion mechanism according to claim 1, wherein the roller assembly (20) further comprises a first driving cylinder (24), a second driving cylinder (25) and a third driving cylinder (26), wherein an output end of the first driving cylinder (24) is hinged to a bottom of the first roller (21), an output end of the second driving cylinder (25) is hinged to a bottom of the second roller (22), and an output end of the third driving cylinder (26) is hinged to a bottom of the third roller (23).

3. The die with the action time sequence conversion mechanism according to claim 1, further comprising a conversion mechanism (30), wherein the conversion mechanism (30) comprises a mounting seat (31), an upper die driving block (32) and a swing arm (33), an inserting groove matched with the upper die driving block (32) is formed in the top of the swing arm (33), a rotating part is arranged in the middle of the swing arm (33), the swing arm (33) is inserted into the mounting seat (31) in a rotating mode through the rotating part, a lower die sliding block (34) is arranged at the bottom of the swing arm (33), and the lower die sliding block (34) is movably inserted into the mounting seat (31).

4. A mould with an action sequence switching mechanism according to claim 3, characterized in that the switching mechanism (30) further comprises a fixed mounting plate (35) and a nitrogen spring (36), the fixed mounting plate (35) is fixedly connected with the external mounting frame, the nitrogen spring (36) is located in the lower mould slide block (34), one end of the nitrogen spring (36) is fixedly connected with the fixed mounting plate (35), and the nitrogen spring (36) pushes the lower mould slide block (34) to move in the mounting seat (31).

5. A mould with an action time sequence conversion mechanism according to claim 3, characterized in that a driving wheel (341) is arranged at the end part of the lower mould slide block (34), an auxiliary stop block (342) is arranged at one side of the driving wheel (341), and the auxiliary stop block (342) is fixedly connected with a second roller (22).

6. A mould with an action time sequence conversion mechanism according to claim 3, characterized in that both ends of the swing arm (33) are rotatably inserted with auxiliary wheels (331), and one auxiliary wheel (331) is attached to the lower mould slide block (34).

7. The mold with the action sequence switching mechanism according to claim 1, wherein a plurality of blocking blocks (12) are provided inside the placement groove (11), and the blocking blocks (12) are used for blocking excessive deflection of the first roller (21), the second roller (22) and the third roller (23).

8. The mold with the action sequence conversion mechanism according to claim 1, wherein a plurality of sensors (27) are arranged in the placing groove (11), a positioning plate (28) is arranged at the top of each sensor (27), and the plurality of positioning plates (28) are fixedly connected with the first roller (21), the second roller (22) and the third roller (23) respectively.