CN220943130U

CN220943130U - Automobile engine shroud die casting die

Info

Publication number: CN220943130U
Application number: CN202322378411.1U
Authority: CN
Inventors: 郭莉丽; 胡海锋
Original assignee: Simai Auto Parts China Co ltd
Current assignee: Simai Auto Parts China Co ltd
Priority date: 2023-09-01
Filing date: 2023-09-01
Publication date: 2024-05-14
Anticipated expiration: 2033-09-01

Abstract

The utility model relates to a die casting die for an automobile engine hood. The utility model comprises a workbench, wherein the top of the workbench is fixedly connected with a lower die, the top of the lower die is provided with a die groove, the lower die is internally provided with a mounting bin, the mounting bin is rotationally connected with a two-way screw rod, the outer walls of the two ends of the two-way screw rod are respectively in threaded connection with a connecting block, the tops of the two groups of connecting blocks are hinged with push rods, the two groups of connecting blocks are driven to rotate by an output shaft of a first motor, the rotating two groups of connecting blocks can be simultaneously driven to move towards the center of the two-way screw rod through threaded transmission, the push rods hinged with the tops of the two groups of connecting blocks are driven to push the push plates upwards, so that a die-cast engine cover blank is pushed upwards, the engine cover blank is conveniently taken down by a worker, the situation that the worker is inconvenient to take the engine cover blank out of the lower die is avoided, and the working efficiency is improved.

Description

Automobile engine shroud die casting die

Technical Field

The utility model relates to the technical field of die casting dies, in particular to an automobile engine hood die casting die.

Background

On the current development of the automobile industry in China, an engine cover is one of indispensable parts in an automobile, and the engine cover is arranged on the top of the engine to prevent water, oil and other precise elements such as a spark plug, an electromagnetic valve and the like from being polluted.

In the production process of the engine hood, a blank is firstly die-cast and formed by using a die-casting die, the common die-casting die of the engine hood consists of an upper die and a lower die, and during processing, firstly, an aluminum alloy solution is poured into the lower die, and then the upper die is controlled to lower the lower die, so that the engine hood blank can be die-cast and formed.

At present, after the engine hood blank is subjected to die-casting molding, the engine hood blank is extruded by an upper die and firmly attached to a lower die, and because the temperature is too high during molding, workers are inconvenient to take the engine hood blank out of the lower die, so that the working efficiency is affected.

Disclosure of utility model

Therefore, the utility model aims to solve the technical problem that in the prior art, when an engine cover blank is tightly attached to a lower die after die casting, workers cannot conveniently take the engine cover blank out.

In order to solve the technical problems, the utility model provides an automobile engine hood die-casting die which comprises a workbench, wherein the top of the workbench is fixedly connected with a lower die, the top of the lower die is provided with a die groove, an installation bin is arranged in the lower die, a bidirectional screw rod is rotatably connected in the installation bin, the outer walls of the two ends of the bidirectional screw rod are respectively connected with a connecting block in a threaded manner, the tops of two groups of connecting blocks are respectively hinged with a push rod, the bottom of the die groove is provided with a through hole, a top plate is clamped in the die groove, one ends of the two groups of push rods, which are far away from the connecting blocks, are respectively hinged with the lower surface of the top plate, the top of the push rods are arranged in the through holes, the outer wall of the lower die is fixedly connected with a first motor, and an output shaft of the first motor is fixedly connected with the bidirectional screw rod.

In one embodiment of the utility model, the top of the workbench is fixedly connected with a bracket, the center of the top of the bracket is fixedly connected with a cylinder, and the output end of the cylinder is fixedly connected with an upper die.

In one embodiment of the utility model, the top plate is matched with the bottom of the mold groove in size, the upper mold is positioned between the bracket and the mold groove, and the upper mold is matched with the mold groove in size.

In one embodiment of the utility model, the bottom of the installation bin is provided with a limiting groove, the limiting groove is positioned at the bottom of the bidirectional screw rod, the bottoms of the two groups of connecting blocks are fixedly connected with limiting blocks, and the limiting blocks are slidably installed in the limiting groove.

In one embodiment of the utility model, mounting blocks are fixedly connected to two sides of a bidirectional screw rod in the mounting bin, a plurality of groups of mounting grooves are formed in the top of each mounting block, connecting columns are slidably mounted in each mounting groove, limiting plates are fixedly connected to the outer walls of each connecting column, springs are fixedly connected to the tops of the limiting plates, two groups of rotating shafts are fixedly connected to the bottoms of the springs and the tops of the mounting blocks in a rotating manner, the two groups of rotating shafts are respectively positioned on one sides, far away from the bidirectional screw rod, of the two groups of mounting blocks, a plurality of groups of protruding blocks are fixedly connected to the outer surfaces of the two groups of rotating shafts, the protruding blocks correspond to the limiting plates one by one, two groups of second motors are fixedly connected to the outer walls of the lower die, and output shafts of the two groups of second motors are respectively fixedly connected with the two groups of rotating shafts.

In one embodiment of the utility model, a rubber ball is fixedly connected to the top of each connecting column, and the spring is sleeved outside the connecting column.

In one embodiment of the utility model, two groups of positioning grooves are formed in each mounting groove, two groups of positioning blocks are fixedly connected to the outer wall of the bottom of the connecting column, the positioning blocks correspond to the positioning grooves one by one, the positioning blocks are slidably mounted in the positioning grooves, and the positioning blocks are matched with the positioning grooves in size.

In one embodiment of the utility model, a plurality of groups of bearing columns are fixedly connected to the bottom of the workbench, and a rubber pressing plate is fixedly connected to the bottom of each bearing column.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

According to the die-casting die for the automobile engine cover, the output shafts of the second motors respectively drive the two groups of rotating shafts to rotate towards one side of the mounting block at the same time, and drive the multiple groups of protruding blocks on the outer surfaces of the rotating shafts to rotate towards the mounting block at the same time, the limiting plates are pressed downwards by the protruding blocks to compress the springs, when the protruding blocks rotate to be separated from the limiting plates, the limiting plates are quickly reset under the elastic acting force of the springs, rubber balls at the tops of the connecting columns are driven to impact the bottoms of the die grooves, so that the die grooves vibrate, and under continuous vibration, the die-cast engine cover can be gradually separated from the die grooves, so that the die-cast engine cover is convenient to follow.

According to the die-casting die for the automobile engine cover, the output shaft of the first motor drives the bidirectional screw rod to rotate, the rotating bidirectional screw rod drives the two groups of connecting blocks to move towards the center of the bidirectional screw rod simultaneously through screw transmission, and drives the push rod hinged to the top of the bidirectional screw rod to push the push plate upwards, so that the die-cast engine cover blank is pushed upwards, workers can conveniently take off the die-cast engine cover blank, the situation that the die-cast engine cover blank is firmly attached to a die groove and is inconvenient to take out from the lower die by workers is avoided, and the working efficiency is improved.

Drawings

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is an exploded view of a mold tunnel in accordance with the present utility model;

FIG. 3 is a cross-sectional view of a mold tunnel in accordance with the present utility model;

FIG. 4 is an enlarged view at A in FIG. 3;

FIG. 5 is a cross-sectional perspective view of a table of the present utility model;

FIG. 6 is an enlarged view at B in FIG. 5;

fig. 7 is a cross-sectional view of a mounting block in accordance with the present utility model.

Description of the specification reference numerals: 1. a work table; 2. a lower die; 3. a mold groove; 4. a bracket; 5. an upper die; 6. a cylinder; 7. a mounting bin; 8. a two-way screw rod; 9. a push rod; 10. a top plate; 11. a through hole; 12. a connecting block; 13. a first motor; 14. a limiting block; 15. a limit groove; 16. a rotating shaft; 17. a bump; 18. rubber balls; 19. a limiting plate; 20. a spring; 21. a positioning groove; 22. a mounting groove; 23. a positioning block; 24. a connecting column; 25. a mounting block; 26. a second motor; 27. a bearing column; 28. and a rubber pressing plate.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.

Referring to fig. 1-7, the die casting die for the automobile engine cover comprises a workbench 1, wherein the top of the workbench 1 is fixedly connected with a lower die 2, the top of the lower die 2 is provided with a die groove 3, the lower die 2 is internally provided with a mounting bin 7, the mounting bin 7 is rotationally connected with a bidirectional screw rod 8, the outer walls of the two ends of the bidirectional screw rod 8 are respectively and threadedly connected with a connecting block 12, the tops of the two groups of connecting blocks 12 are respectively hinged with a push rod 9, the bottoms of the die grooves 3 are provided with a through hole 11, a top plate 10 is clamped in the die groove 3, one ends of the two groups of push rods 9 far away from the connecting blocks 12 are respectively hinged with the lower surface of the top plate 10, the top of the push rods 9 is arranged in the through hole 11, the outer wall of the lower die 2 is fixedly connected with a first motor 13, and the output shaft of the first motor 13 is fixedly connected with the bidirectional screw rod 8;

The engine hood usually uses die casting die at first with the idiosome die casting shaping in the production process, common engine hood die casting die comprises last mould and bed die, when processing, at first pour aluminum alloy solution into the bed die in, then control the mould pushes down the mould down, can with engine hood idiosome die casting shaping, engine hood idiosome in prior art is behind die casting shaping at present, because receive the extrusion of last mould, so can firmly laminate with the bed die, and because its during the shaping high temperature, it is inconvenient take it out from the bed die to influence the work, in order to prevent such event from taking place, after engine hood idiosome die casting shaping, engine hood idiosome hugs closely in the die groove 3, at this moment the staff opens first motor 13, the output shaft of first motor 13 drives bi-directional lead screw 8 and rotates, pivoted bi-directional lead screw 8 can drive two sets of connecting blocks 12 simultaneously remove through the screw thread direction at bi-directional lead screw 8, so when bi-directional lead screw 8 rotates, two sets of connecting blocks 12 can remove to bi-directional lead screw 8's center department simultaneously, with the distance between two sets of 12 gradually, can drive its articulated push pedal 9 and take out from the bed die casting die, thereby take out the die casing 3 with the fact the die casting die, the convenient situation is taken out from the top of the die casting die, the die is realized, the die casing 3 is convenient for taking out the die casing die casting die has the appearance, the appearance is convenient for taking out the die casing die casting die has been convenient, and has been convenient appearance.

In one embodiment of the utility model, the top of the workbench 1 is fixedly connected with the bracket 4, the center of the top of the bracket 4 is fixedly connected with the air cylinder 6, the output end of the air cylinder 6 is fixedly connected with the upper die 5, after the aluminum alloy melt is led into the die groove 3, the air cylinder 6 is started, and the output shaft of the air cylinder 6 drives the upper die 5 to move downwards and enter the die groove 3 to perform die casting operation, thereby being convenient and quick.

In one embodiment of the present utility model, the top plate 10 is matched with the bottom of the mold groove 3 in size, the upper mold 5 is located between the bracket 4 and the mold groove 3, the upper mold 5 is matched with the mold groove 3 in size, and in operation, the upper mold 5 can be closely attached to the mold groove 3 due to the matching of the upper mold 5 and the mold groove 3 in size, so as to ensure the die casting effect of the engine cover.

In one embodiment of the utility model, the bottom of the installation bin 7 is provided with the limit groove 15, the limit groove 15 is positioned at the bottom of the bidirectional screw rod 8, the bottoms of the two groups of connection blocks 12 are fixedly connected with the limit blocks 14, the limit blocks 14 are slidably installed in the limit groove 15, when the connection block 12 moves, the limit blocks 14 are driven to move in the limit groove 15, and because a large friction force exists between the connection block 12 and the bidirectional screw rod 8, the limit blocks 14 can limit the connection block 12, and the situation that the connection block 12 cannot move horizontally due to the friction force between the connection block 12 and the bidirectional screw rod 8 is prevented from driving the connection block 12 to rotate when the bidirectional screw rod 8 rotates.

In one embodiment of the present utility model, the mounting bin 7 is fixedly connected with mounting blocks 25 on both sides of the bidirectional screw rod 8, a plurality of groups of mounting grooves 22 are formed on the top of the mounting blocks 25, connecting columns 24 are slidably mounted in each mounting groove 22, a limiting plate 19 is fixedly connected to the outer wall of each connecting column 24, a spring 20 is fixedly connected to the top of each limiting plate 19, the bottom of each spring 20 is fixedly connected to the top of the mounting block 25, two groups of rotating shafts 16 are rotatably connected in each mounting groove 22, the two groups of rotating shafts 16 are respectively located on one side, far away from the bidirectional screw rod 8, of the two groups of mounting blocks 25, a plurality of groups of protruding blocks 17 are fixedly connected to the outer surfaces of the two groups of rotating shafts 16, the protruding blocks 17 are in one-to-one correspondence with the limiting plates 19, two groups of second motors 26 are fixedly connected to the outer wall of the lower die 2, and output shafts of the two groups of second motors 26 are respectively fixedly connected with the two groups of rotating shafts 16;

When the engine cover after the die casting molding is taken down, two groups of second motors 26 are started at first, the output shafts of the two groups of second motors 26 respectively drive the two groups of rotating shafts 16 to rotate towards one side of the mounting block 25 at the same time, and drive the multiple groups of protruding blocks 17 on the outer surface of the two groups of rotating shafts to rotate towards the mounting block 25 at the same time, along with the rotation of the protruding blocks 17, the end parts of the protruding blocks can be contacted with the limiting plates 19 on the outer wall of the connecting column 24, along with the continuous rotation of the rotating shafts 16, the limiting plates 19 can downwards squeeze and compress the springs 20, when the protruding blocks 17 rotate to be separated from the limiting plates 19, the limiting plates 19 are quickly reset under the elastic acting force of the springs 20, and drive the connecting column 24 to collide with the bottom of the die groove 3, so that the die groove 3 can vibrate, the engine cover after the die casting molding can be gradually separated from the die groove 3, then the first motor 13 is started, the pushing plate is driven to upwards move and the engine cover can be pushed upwards, and workers can easily take out the engine cover after the die casting molding from the die groove 3 at the moment, and the engine cover is convenient and fast.

In one embodiment of the present utility model, the top of each connecting column 24 is fixedly connected with a rubber ball 18, the spring 20 is sleeved outside the connecting column 24, when the connecting column 24 moves upwards under the action force of the spring 20, the rubber ball 18 on the top of the connecting column impacts the bottom of the mold groove 3, so that the bottom of the mold groove 3 is vibrated, and the rubber ball 18 is made of elastic rubber, so that the bottom of the mold groove 3 is not damaged during impact, and the service life of the mold groove 3 is prolonged.

In one embodiment of the present utility model, two sets of positioning slots 21 are provided in each mounting slot 22, two sets of positioning blocks 23 are fixedly connected to the outer wall of the bottom of the connecting column 24, the positioning blocks 23 are in one-to-one correspondence with the positioning slots 21, the positioning blocks 23 are slidably mounted in the positioning slots 21, the positioning blocks 23 are matched with the positioning slots 21 in size, when in operation, the connecting column 24 drives the positioning blocks 23 to move in the positioning slots 21 when in movement, the positioning blocks 23 can limit the connecting column 24 when in movement, so that the bump 17 can prevent the bump 17 from deflecting to the bump 17 side when extruding the limiting plate 19, thereby causing the subsequent impact position of the rubber ball 18 to deviate, and affecting the impact force of the rubber ball 18.

In an embodiment of the present utility model, a plurality of groups of bearing columns 27 are fixedly connected to the bottom of the workbench 1, and a rubber pressing plate 28 is fixedly connected to the bottom of each bearing column 27, and in operation, the bearing columns 27 play a supporting role on the workbench 1, and the rubber pressing plate 28 at the bottom of the bearing columns 27 can increase the friction between the bearing columns 27 and the ground, so as to improve the stability of the workbench 1.

Working principle: after the engine cover blank is subjected to die casting molding, the engine cover blank is tightly attached to the mold groove 3, at the moment, two groups of second motors 26 are started, the output shafts of the two groups of second motors 26 respectively drive the two groups of rotating shafts 16 to rotate towards one side of the mounting block 25 at the same time, and drive a plurality of groups of protruding blocks 17 on the outer surface of the engine cover blank to rotate towards the mounting block 25 at the same time, along with the rotation of the protruding blocks 17, the end parts of the protruding blocks 17 are contacted with the limiting plates 19 on the outer wall of the connecting column 24, along with the continued rotation of the rotating shafts 16, the protruding blocks 17 downwards squeeze and compress the springs 20, when the protruding blocks 17 rotate to be separated from the limiting plates 19, the limiting plates 19 are quickly reset under the elastic force of the springs 20, and drive rubber balls 18 on the tops of the connecting columns 24 to impact the bottom of the mold groove 3, so that the mold groove 3 can vibrate, and under the continuous vibration, the engine cover after die casting molding can be gradually separated from the mold groove 3, so that the engine cover after die casting molding is convenient to follow up;

When the engine cover after the die casting is gradually separated from the die groove 3 under the impact of the rubber ball 18, the first motor 13 is started, the output shaft of the first motor 13 drives the bidirectional screw rod 8 to rotate, the rotating bidirectional screw rod 8 drives the two groups of connecting blocks 12 to move simultaneously through screw thread transmission, and as the screw thread directions of the two ends of the bidirectional screw rod 8 are opposite, when the bidirectional screw rod 8 rotates, the two groups of connecting blocks 12 move simultaneously to the center of the bidirectional screw rod 8, the push rod 9 hinged to the top of the two groups of connecting blocks is driven to push the push plate upwards along with the gradual shortening of the distance between the two groups of connecting blocks 12, so that the engine cover blank after the die casting is pushed upwards and pushed to the outside of the die groove 3, the engine cover blank after the die casting is conveniently taken down by workers, the engine cover blank after the die casting is firmly attached to the die groove 3, the engine cover blank is inconvenient to take the engine cover blank out from the lower die 2 by workers, and the working efficiency is improved.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims

1. The utility model provides a car engine shroud die casting die which characterized in that: including workstation (1), workstation (1) top fixedly connected with bed die (2), mould groove (3) have been seted up at bed die (2) top, install bin (7) have been seted up in bed die (2), install bin (7) internal rotation is connected with two-way lead screw (8), the equal threaded connection in both ends outer wall of two-way lead screw (8) has connecting block (12), two sets of connecting block (12) top all articulates there is push rod (9), through-hole (11) have been seted up to mould groove (3) bottom, joint has roof (10) in mould groove (3), two sets of push rod (9) are kept away from the one end of connecting block (12) and all are articulated with roof (10) lower surface, push rod (9) top sets up in through-hole (11), bed die (2) outer wall fixedly connected with first motor (13), the output shaft and two-way lead screw (8) of first motor (13).

2. The automobile engine cover die casting die according to claim 1, wherein: the workbench is characterized in that the top of the workbench (1) is fixedly connected with a support (4), the center of the top of the support (4) is fixedly connected with a cylinder (6), and the output end of the cylinder (6) is fixedly connected with an upper die (5).

3. The automobile engine cover die casting die according to claim 2, wherein: the top plate (10) is matched with the bottom of the die groove (3) in size, the upper die (5) is located between the support (4) and the die groove (3), and the upper die (5) is matched with the die groove (3) in size.

4. A die casting die for an automobile engine cover according to claim 3, wherein: the mounting bin (7) bottom has offered spacing groove (15), spacing groove (15) are located two-way lead screw (8) bottom, two sets of equal fixedly connected with stopper (14) in connecting block (12) bottom, stopper (14) slidable mounting is in spacing groove (15).

5. The automobile engine cover die casting die according to claim 4, wherein: the utility model discloses a bidirectional screw rod (8) installation bin, including installation bin (7), installation bin (7) are interior both fixedly connected with installation piece (25), multiunit mounting groove (22) have been seted up at installation piece (25) top, every equal slidable mounting has spliced pole (24) in mounting groove (22), every equal fixedly connected with limiting plate (19) of spliced pole (24) outer wall, every limiting plate (19) top fixedly connected with spring (20), every the bottom of spring (20) all with installation piece (25) top fixed connection, the rotation of mounting groove (22) is connected with two sets of pivots (16), two sets of pivot (16) are located one side that two sets of installation pieces (25) kept away from bidirectional screw rod (8) respectively, two sets of pivot (16) surface all fixedly connected with multiunit lug (17), lug (17) and limiting plate (19) one-to-one, lower mould (2) outer wall fixedly connected with two sets of second motors (26), the output shaft of two sets of second motors (26) respectively with two sets of pivots (16).

6. The automobile engine cover die casting die according to claim 5, wherein: rubber balls (18) are fixedly connected to the tops of the connecting columns (24), and the springs (20) are sleeved outside the connecting columns (24).

7. The automobile engine cover die casting die according to claim 6, wherein: two groups of positioning grooves (21) are formed in each mounting groove (22), two groups of positioning blocks (23) are fixedly connected to the outer wall of the bottom of each connecting column (24), the positioning blocks (23) correspond to the positioning grooves (21) one by one, the positioning blocks (23) are slidably mounted in the positioning grooves (21), and the positioning blocks (23) are matched with the positioning grooves (21) in size.

8. The automobile engine cover die casting die according to claim 7, wherein: the bottom of the workbench (1) is fixedly connected with a plurality of groups of bearing columns (27), and the bottom of each bearing column (27) is fixedly connected with a rubber pressing plate (28).