CN215355839U

CN215355839U - Pulley type yielding device for side hole flanging of oil tank

Info

Publication number: CN215355839U
Application number: CN202121786216.7U
Authority: CN
Inventors: 张西超; 万福帅
Original assignee: Yantai Yihe Automobile Science And Technology Co ltd
Current assignee: Yantai Yihe Automobile Science And Technology Co ltd
Priority date: 2021-07-31
Filing date: 2021-07-31
Publication date: 2021-12-31
Anticipated expiration: 2031-07-31

Abstract

The utility model provides a coaster formula lets device for oil tank side hole flanging, relates to the vehicle and makes technical field, including upper die base and die holder, be equipped with the pressure material body on the upper die base, install a plurality of nitrogen spring that push down on the pressure material body, the symmetry is provided with two coasters and lets the mechanism on the die holder, two the coaster is let and is equipped with the lower mould between the mechanism and insert, the lower mould is inserted and is in pressure material body below. The utility model solves the problem that the oil tank can not be taken out after hole flanging, and improves the production efficiency and the size stability of hole flanging.

Description

Pulley type yielding device for side hole flanging of oil tank

Technical Field

The utility model relates to the technical field of vehicle manufacturing, in particular to a pulley type yielding device for side hole flanging of an oil tank.

Background

The part of the injection opening of the automobile oil tank is an outward flanging hole on the vertical wall of the tank body, and a stamping die has certain difficulty and unstable positioning. In the prior art, an oil tank is manually held, the oil tank is vertically placed on a lower die insert, positioning is carried out by depending on a molded surface, manual positioning is unstable, and hole flanging precision is low; and after the hole flanging of the oil tank is completed, the problem that the oil tank cannot be taken out can occur in the process of returning the die to the original position.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the background technology, and then provides a pulley type yielding device for side hole flanging of an oil tank.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the utility model provides a coaster formula lets device for oil tank side hole flanging, includes upper die base and die holder, be equipped with the pressure material body on the upper die base, install a plurality of nitrogen gas springs of pushing down on the pressure material body, the symmetry is provided with two coasters and lets the mechanism on the die holder, two the coaster lets and is equipped with the lower mould between the mechanism and inserts, the lower mould is inserted and is in pressure material body below.

Furthermore, the upper die base is connected with a press which is used as a power source to drive the upper die base to do lifting movement.

Further, the coaster lets the mechanism include the coaster, it inserts and middle removal insert to be equipped with two side removal on the coaster, the side is removed and is inserted the activity and be provided with the drive block, the middle removal is inserted the activity and is provided with the slide wedge, the cooperation of slide wedge below has the slider, and it is with it complex, be equipped with the guide rail on the coaster, the guide rail with slider sliding fit, the slider is close to one side that the lower mould was inserted is connected with the hole flanging terrace die, the hole flanging terrace die cooperation has the hole flanging die, the hole flanging die with the coaster is connected, the coaster afterbody is equipped with the mounting hole, install return nitrogen spring in the mounting hole.

Furthermore, a guide block is matched below the pulley and connected with the lower die holder.

Furthermore, a hole flanging die hole is formed in the hole flanging female die, a hole flanging convex rod is arranged on the hole flanging convex die, and the hole flanging convex rod is matched with the hole flanging die hole to realize hole flanging of the oil tank.

Furthermore, the driving block and the wedge are respectively connected with the upper die base.

Furthermore, a plurality of first guide plates are arranged on four side walls of the material pressing body, so that the guiding precision and the proper gap of each part during working are ensured.

Furthermore, four corners of the lower die holder are provided with guide posts, the upper die holder is provided with guide holes, and the guide holes are matched with the guide posts to complete vertical guiding of the upper die holder.

Furthermore, one side of the guide post is provided with a limiting post, so that the upper die base is prevented from being damaged due to direct contact with the lower die base.

Furthermore, a second guide plate is arranged on the end face, close to the limiting column, of the lower die holder.

Furthermore, a punch is arranged on the upper die base, and after the oil tank is fixed, the punch can act on the oil tank to punch the oil tank.

Compared with the prior art, the utility model has the beneficial effects that: the utility model provides a pulley type yielding device for side hole flanging of an oil tank, which can automatically return after hole flanging is finished, solves the problem that the oil tank cannot be taken out after hole flanging, does not need manual intervention, improves the production efficiency and the size stability of hole flanging, and has the advantages of simple structure, low cost and strong applicability.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is an internal structural view of the present invention;

FIG. 3 is a schematic view of the installation of the fuel tank;

FIG. 4 is a schematic view of a carriage concession mechanism;

FIG. 5 is a schematic view of the pulley structure;

fig. 6 is a cross-sectional view of a carriage concession mechanism.

Wherein: 1, 11 press bodies, 12 downward-pressing nitrogen springs, 13 first guide plates, 2 lower die seats, 21 guide posts, 22 limiting posts, 23 second guide plates, 24 lower die inserts, 25 punches, 3 pulley yielding mechanisms, 31 pulleys, 311 side movable inserts, 312 middle movable inserts, 32 driving blocks, 33 wedges, 34 hole flanging male dies, 341 hole flanging male rods, 35 hole flanging female dies, 351 hole flanging dies, 36 guide blocks, 37 return nitrogen springs, 38 sliding blocks and 39 guide rails.

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. The utility model is further illustrated with reference to the accompanying drawings and examples:

as shown in fig. 1 to 3, the pulley type yielding device for the side hole flanging of the oil tank comprises an upper die base 1 and a lower die base 2, wherein a material pressing body 11 is arranged on the upper die base, a plurality of lower pressure nitrogen springs 12 are arranged on the material pressing body, two pulley yielding mechanisms 3 are symmetrically arranged on the lower die base, a lower die insert 24 is arranged between the two pulley yielding mechanisms, and the lower die insert is located below the material pressing body.

The upper die holder is connected with a press, and the press is used as a power source to drive the upper die holder to do lifting motion.

Specifically, as shown in fig. 4 and 5, the pulley yielding mechanism includes a pulley 31, two side-moving inserts 311 and a middle-moving insert 312 are arranged on the pulley, a driving block 32 is movably arranged on the side-moving inserts, similarly, a wedge 33 is movably arranged on the middle-moving insert, a slider 38 is matched below the wedge, and as shown in fig. 6, a guide rail 39 is arranged on the pulley, the guide rail is in sliding fit with the slider, a hole flanging male die 34 is connected to one side of the slider, which is close to the lower die insert, and a hole flanging female die 35 is matched with the hole flanging male die, and is connected with the pulley, as shown in fig. 6, a mounting hole is arranged at the tail of the pulley, and a return nitrogen spring 37 is arranged in the mounting hole.

And a guide block 36 is matched below the pulley and connected with the lower die holder.

The hole flanging female die is provided with a hole flanging hole 351, the hole flanging male die is provided with a hole flanging convex rod 341, and the hole flanging convex rod is matched with the hole flanging hole to realize hole flanging of the oil tank.

The driving block and the wedge are respectively connected with the upper die base.

Before the die starts to work, an oil tank is fixed on a lower die insert, a hole flanging female die and a hole flanging male die are separated by a pulley under the action of a return nitrogen spring, at the moment, a hole to be flanged of the oil tank is positioned between the hole flanging female die and the hole flanging male die, and the hole to be flanged and a die flanging hole are coaxial and are determined to be placed in place; the press drives the upper die base to move downwards, the material body presses and fixes the oil tank under the action of the pressing nitrogen spring, at the moment, the upper die base drives the driving block to move downwards, the pulley makes linear motion along the direction departing from the lower die insert, and the pulley stops moving after the driving block enters the side moving insert, and is in place; meanwhile, the hole flanging male die moves linearly in the direction close to the lower die insert under the action of the wedge, the hole flanging male rod penetrates through the hole to be flanged and is inserted into the hole flanging female die to perform hole flanging, after the work is finished, the pulley and the wedge move reversely to return, and the oil tank is taken out.

In at least one embodiment, as shown in fig. 2, in order to ensure the guiding precision and the proper clearance of each part during operation, a plurality of first guide plates 13 are arranged on four side walls of the press body.

In at least one embodiment, as shown in fig. 2, four corners of the lower die holder are provided with guide posts 21, the upper die holder is provided with guide holes, the guide holes are matched with the guide posts to complete vertical guiding of the upper die holder, one side of each guide post is provided with a limiting post 22, and the lower die holder is provided with a second guide plate 23 on the end surface close to the limiting post.

In at least one embodiment, the upper die base is provided with a punch 25, as shown in fig. 3, after the oil tank is fixed, the punch can act on the oil tank to punch the oil tank.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a coaster formula lets device for oil tank side hole flanging, includes upper die base and die holder, be equipped with the pressure material body on the upper die base, install a plurality of nitrogen gas springs of pushing down on the pressure material body, its characterized in that, the symmetry is provided with two coasters and lets the mechanism on the die holder, two the coaster is equipped with the lower mould between letting the mechanism and inserts, the lower mould is inserted and is in press the material body below.

2. The pulley type yielding device for the side hole flanging of the oil tank is characterized in that the pulley yielding mechanism comprises a pulley, two side moving inserts and a middle moving insert are arranged on the pulley, a driving block is movably arranged on the side moving inserts, a wedge is movably arranged on the middle moving insert, a sliding block is matched below the wedge, a guide rail is arranged on the pulley and is in sliding fit with the sliding block, a hole flanging male die is connected to one side, close to the lower die insert, of the sliding block, a hole flanging female die is matched with the hole flanging male die, the hole flanging female die is connected with the pulley, a mounting hole is formed in the tail portion of the pulley, and a return nitrogen spring is installed in the mounting hole.

3. The pulley type yielding device for the side flanging of the oil tank as claimed in claim 2, wherein the flanging female die is provided with a flanging hole, and the flanging male die is provided with a flanging convex rod, and the flanging convex rod is matched with the flanging hole.

4. The pulley type concession device for side-flanging of an oil tank as claimed in claim 2, wherein the driving block and the wedge are respectively connected to the upper die base.

5. The pulley type yielding device for the oil tank side hole flanging is characterized in that a plurality of first guide plates are arranged on four side walls of the pressing body.

6. The pulley type yielding device for the side-flanging hole of the oil tank as claimed in claim 1, wherein guide posts are arranged at four corners of the lower die base, guide holes are arranged on the upper die base, the guide holes are matched with the guide posts, and a limiting post is arranged on one side of each guide post.

7. The pulley type yielding device for the side-flanging hole of the oil tank as claimed in claim 6, wherein a second guide plate is arranged on the end face, close to the limiting column, of the lower die holder.