CN221537759U

CN221537759U - Rolling equipment

Info

Publication number: CN221537759U
Application number: CN202420038678.8U
Authority: CN
Inventors: 何跃江; 杨明贵; 冯长明
Original assignee: Chengdu De'an Metal Products Co ltd
Current assignee: Chengdu De'an Metal Products Co ltd
Priority date: 2024-01-08
Filing date: 2024-01-08
Publication date: 2024-08-16
Anticipated expiration: 2034-01-08

Abstract

The utility model provides a rolling device which comprises an upper die and a lower die. The lower die is provided with a pre-rolling station, a rolling station and a shaping station. The upper die is provided with a pressing block corresponding to each station. The pre-rolling station is provided with a groove in cooperation with the pressing block so that the workpiece is extruded into the groove to be bent. The coiling station is provided with a U-shaped groove so that the bending part of the workpiece is extruded into a circular tube shape through the U-shaped groove. The shaping station is matched with the pressing block to enclose a shaping cavity so that the workpiece is extruded into the shape of the shaping cavity. When the pressing block is pressed down, the metal sheet is pressed down into the groove of the pre-rolling station, so that the front end of the metal sheet is bent. Subsequently, the sheet metal is placed in a rounding station. Pushing the metal sheet to make the front end of the metal sheet extruded and deformed in the U-shaped groove to be tubular, and finishing the rolling. And finally, placing the rolled metal sheet in a shaping station. The pressing block is pressed down to form a shaping cavity. The production and the processing of three procedures can be completed through one device.

Description

Rolling equipment

Technical Field

The utility model relates to the technical field of machining equipment, in particular to a rounding device.

Background

The hinge is a common mechanical part, generally, a tubular shaft sleeve is processed in a rolling mode, and a hinge rotating shaft is arranged inside the shaft sleeve, so that a rotatable structure is formed. In the hinge rolling process, a complete rolling process can be completed by dividing multiple rolling processes. This also requires multiple devices to do so separately. This makes the processing inefficient.

Disclosure of utility model

The utility model aims to provide a rolling device which can rapidly process hinges and reshape.

The embodiment of the utility model is realized by the following technical scheme:

A rolling device comprises an upper die and a lower die; the lower die is provided with a pre-rolling station, a rolling station and a shaping station; the upper die is provided with a pressing block corresponding to each station; the pre-rolling station is provided with a groove in cooperation with the pressing block so that a workpiece is extruded into the groove to be bent; the rolling station is provided with a U-shaped groove, so that the bending part of the workpiece is extruded into a circular tube shape through the U-shaped groove; the shaping station is matched with the pressing block to enclose a shaping cavity, so that the workpiece is extruded into the shape of the shaping cavity.

Further, the rolling station comprises a positioning block and a sliding block; the upper surface of the positioning block is provided with a limiting step; the U-shaped groove is arranged on the side face of the sliding block and is opposite to the limiting step, so that the U-shaped groove is matched with the limiting step to push the workpiece;

The rolling station is correspondingly provided with a limiting press block and a pushing press block; the limiting press block is arranged corresponding to the limiting step, so that the limiting press block presses the workpiece on one side of the limiting step; the pushing block and the sliding block are correspondingly provided with inclined planes, so that the sliding block is pushed to move towards the limiting step when the pushing block is pressed down.

Further, the limiting pressing block is connected with the upper die through an elastic piece.

Further, the rounding station is provided with a guide rod; the upper die is provided with a guide sleeve corresponding to the guide rod so that the guide rod slides along the guide sleeve.

Further, the pre-winding station is provided with a positioning step and a positioning sheet; the workpiece is covered above the groove when the workpiece is placed between the positioning step and the positioning sheet.

Further, the sliding block is provided with a sliding rod; the rolling station is provided with a sleeve in cooperation with the sliding rod so that the sliding rod slides along the sleeve.

Further, guide blocks are protruded from two sides of the sliding block; the rolling station is provided with a guide pressing block corresponding to each guide block; the side face of the guide pressing block protrudes and is located above the guide block.

The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects:

When the rolling device is used, the metal sheet is placed in a pre-rolling station. When the pressing block is pressed down, the metal sheet is pressed down into the groove of the pre-rolling station, so that the front end of the metal sheet is bent. Subsequently, the sheet metal is placed in a rounding station. Pushing the metal sheet so that the front end of the metal sheet is extruded and deformed in the U-shaped groove. And then the front end of the metal sheet is coiled into a tube shape to finish the coiling. And finally, placing the rolled metal sheet in a shaping station. The pressing block is pressed down to form a shaping cavity. The metal sheet is extruded in the shaping cavity so that its shape is the same as the internal shape of the shaping cavity. This completes the shaping of the hinge.

The pre-rolling station, the rolling station and the shaping station are arranged on the lower die, and after the upper die is pressed down, the die assembly of the three stations can be completed, and then the production and the processing of the three working procedures can be completed through one piece of equipment. Meanwhile, two steps of rolling and shaping can be completed through the equipment, further the hinge is not required to be processed again, and efficiency is greatly improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a rolling device according to the present utility model;

FIG. 2 is a top view of the roundabout;

FIG. 3 is a schematic view of a pre-roll station;

FIG. 4 is a schematic structural view of a rounding station;

FIG. 5 is a schematic diagram of the upper and lower dies mated;

FIG. 6 is a schematic structural view of a shaping station;

fig. 7 is a schematic diagram of the cooperation of the slider and the guide block.

Icon: the device comprises a 1-upper die, a 2-lower die, a 3-pre-rolling station, a 4-rolling station, a 5-shaping station, a 6-pressing block, a 7-groove, an 8-U-shaped groove, a 9-shaping cavity, a 10-positioning block, an 11-sliding block, a 12-limiting step, a 13-limiting pressing block, a 14-pushing pressing block, a 15-elastic piece, a 16-guiding rod, a 17-guiding sleeve, a 19-positioning step, a 20-positioning sheet, a 21-sliding rod, a 22-sleeve, a 23-guiding block and a 24-guiding pressing block.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Examples:

As shown in fig. 1 to 7, the present utility model provides a rounding apparatus including an upper die 1 and a lower die 2. The lower die 2 is provided with a pre-rolling station 3, a rolling station 4 and a shaping station 5. The upper die 1 is provided with a press block 6 corresponding to each station. The pre-winding station 3 is provided with grooves 7 in cooperation with the press blocks 6 so that the work piece is pressed into the grooves 7 to be bent. As shown in fig. 3, the groove 7 is formed in a slope shape as a whole. When the press block 6 is pressed down, the front end of the metal sheet is bent into the groove 7. The rounding station 4 is provided with a U-shaped groove 8 so that the bending part of the workpiece is extruded into a round tube shape through the U-shaped groove 8. Specifically, as shown in fig. 4, the bent front end of the metal sheet enters the U-shaped groove 8 from the side. The metal sheet is pushed forward, and the front end of the metal sheet is bent to form a circular tube under the guide of the U-shaped groove 8, so that the front end of the metal sheet moves forward along the bottom of the U-shaped groove 8, and the rolling action is finished. The shaping station 5 encloses a shaping cavity 9 in cooperation with the press block 6 so that the workpiece is extruded into the shape of the shaping cavity 9. The shape and the size of the shaping cavity 9 are standard shapes and sizes, and the metal sheet extruded by the shaping cavity is the hinge sheet with qualified shape and size.

When the rolling device is used, the metal sheet is placed in the pre-rolling station 3. When the pressing block 6 is pressed down, the metal sheet is pressed down into the groove 7 of the pre-rolling station 3, so that the front end of the metal sheet is bent. Subsequently, the sheet metal is placed in a rounding station 4. The sheet metal is pushed so that the front end of the sheet metal is deformed by extrusion in the U-shaped groove 8. And then the front end of the metal sheet is coiled into a tube shape to finish the coiling. Finally, the rolled sheet metal is placed in a shaping station 5. The briquette 6 is pressed down and forms a shaping cavity 9. The sheet metal is pressed in the shaping cavity 9 so that its shape is the same as the shape of the interior of the shaping cavity 9. This completes the shaping of the hinge.

The pre-rolling station 3, the rolling station 4 and the shaping station 5 are arranged on the lower die 2, and after the upper die 1 is pressed down, the die assembly of the three stations can be completed, and then the production and the processing of the three working procedures can be completed through one device. Meanwhile, two steps of rolling and shaping can be completed through the equipment, further the hinge is not required to be processed again, and efficiency is greatly improved.

In this embodiment, the rounding station 4 comprises a positioning block 10 and a slider 11. The positioning block 10 is fixedly arranged on the lower die 2, and a limiting step 12 is arranged on the upper surface of the positioning block, so that the metal sheet placed on the positioning step 19 can be limited to move to one side of the positioning step 19. The U-shaped groove 8 is arranged on the side face of the sliding block 11 and opposite to the limiting step 12, so that the U-shaped groove 8 is matched with the limiting step 12 to push the workpiece.

The rolling station 4 is correspondingly provided with a limit pressing block 13 and a pushing pressing block 14. The limiting press block 13 and the pushing press block 14 are both connected to the upper die 1. The lower surface of the limiting pressing block 13 is a plane, and the limiting pressing block 13 is arranged corresponding to the limiting step 12, so that the limiting pressing block 13 presses the workpiece on one side of the limiting step 12. The pushing block 14 and the sliding block 11 are correspondingly provided with inclined planes, so that the sliding block 11 is pushed to move towards the limiting step 12 when the pushing block 14 is pressed down.

When the upper die 1 and the lower die 2 are used for die assembly, the limiting pressing block 13 and the limiting step 12 limit the workpiece; the pushing block 14 gradually pushes the sliding block 11 to approach the limiting step 12, so that the front end of the metal sheet is matched with the U-shaped groove 8 to achieve the rolling effect.

In this embodiment, the limiting pressing block 13 is connected with the upper die 1 through an elastic member 15. The elastic member 15 may be a spring, an elastic rubber block, or the like. The present embodiment employs rubber blocks. When the upper die 1 and the lower die 2 are assembled, the limiting pressing block 13 firstly contacts the limiting step 12, and then the metal sheet is limited. Subsequently, the upper die 1 and the lower die 2 continue to approach, and the elastic member 15 is compressed. Meanwhile, the pushing block 14 gradually pushes the sliding block 11 to slide, and then the rolling action is completed.

In this embodiment the rounding station 4 is provided with a guide bar 16. The upper die 1 is provided with a guide sleeve 17 corresponding to the guide bar 16 so that the guide bar 16 slides along the guide sleeve 17. The guide rod 16 and the guide sleeve 17 can be matched to effectively guide, so that the stability of the equipment is ensured.

In this embodiment, the pre-winding station 3 is provided with a positioning step 19 and a positioning tab 20. The workpiece can be positioned through the positioning step 19 and the positioning sheet 20, so that the placement accuracy of the workpiece during placement is ensured. The workpiece is placed between the positioning step 19 and the positioning piece 20 so that it covers the groove 7.

In the present embodiment, the slider 11 is provided with a slide rod 21. The rounding station 4 is provided with a sleeve 22 in cooperation with the slide bar 21 so that the slide bar 21 slides along the sleeve 22. This allows a more precise and controlled sliding of the slider 11, ensuring the quality of the product.

In this embodiment, guide blocks 23 protrude from both sides of the slider 11. The rounding station 4 is provided with a guide press block 24 corresponding to each guide block 23. The side of the guide pressing block 24 protrudes and is located above the guide block 23. The guide pressing block 24 is fixed to the lower die 2 by a screw. The guide pressing block 24 can guide the slider 11. And the sliding block 11 is guided by the sleeve 22 and the guide pressing block 24 together, so that the guide precision is higher.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A rounding apparatus, characterized in that: comprises an upper die (1) and a lower die (2); the lower die (2) is provided with a pre-rolling station (3), a rolling station (4) and a shaping station (5); the upper die (1) is provided with a pressing block (6) corresponding to each station; the pre-rolling station (3) is provided with a groove (7) in cooperation with the pressing block (6) so as to enable a workpiece to be extruded into the groove (7) to be bent; the rolling station (4) is provided with a U-shaped groove (8) so that the bending part of the workpiece is extruded into a circular tube shape through the U-shaped groove (8); the shaping station (5) is matched with the pressing block (6) to enclose a shaping cavity (9), so that the workpiece is extruded into the shape of the shaping cavity (9).

2. The rounding apparatus of claim 1, wherein: the rolling station (4) comprises a positioning block (10) and a sliding block (11); the upper surface of the positioning block (10) is provided with a limiting step (12); the U-shaped groove (8) is arranged on the side face of the sliding block (11) and is opposite to the limiting step (12), so that the U-shaped groove (8) is matched with the limiting step (12) to push the workpiece;

The rolling station (4) is correspondingly provided with a limit pressing block (13) and a pushing pressing block (14); the limiting press block (13) is arranged corresponding to the limiting step (12) so that the limiting press block (13) can press the workpiece on one side of the limiting step (12); the pushing block (14) and the sliding block (11) are correspondingly provided with inclined planes, so that the sliding block (11) is pushed to move towards the limiting step (12) when the pushing block (14) is pressed down.

3. The rounding apparatus of claim 2, wherein: the limiting pressing block (13) is connected with the upper die (1) through an elastic piece (15).

4. A rounding apparatus according to claim 3, characterized in that: the rolling station (4) is provided with a guide rod (16); the upper die (1) is provided with a guide sleeve (17) corresponding to the guide rod (16) so that the guide rod (16) slides along the guide sleeve (17).

5. The rounding apparatus of claim 4, wherein: the pre-rolling station (3) is provided with a positioning step (19) and a positioning sheet (20); the workpiece is placed between the positioning step (19) and the positioning sheet (20) and covers the groove (7).

6. The rounding apparatus of claim 5, wherein: the sliding block (11) is provided with a sliding rod (21); the rounding station (4) is provided with a sleeve (22) in cooperation with the sliding rod (21) so that the sliding rod (21) slides along the sleeve (22).

7. The rounding apparatus of claim 6, wherein: guide blocks (23) are protruded from two sides of the sliding block (11); the rolling station (4) is provided with a guide pressing block (24) corresponding to each guide block (23); the side surface of the guide pressing block (24) protrudes and is positioned above the guide block (23).