CN115319844A

CN115319844A - Progressive punching device for automobile trim strip

Info

Publication number: CN115319844A
Application number: CN202210861129.6A
Authority: CN
Inventors: 胡华
Original assignee: Ningbo Lansheng Intelligent Technology Co Ltd
Current assignee: Ningbo Lansheng Intelligent Technology Co Ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2022-11-11

Abstract

The invention provides a progressive punching device for an automobile trim strip, belonging to the technical field of automobile part processing and comprising: the base is sequentially provided with a first station and a second station along the workpiece transmission direction; the first punching mechanism comprises a first upper die, a first lower die, a first punching block and a second punching block, the first lower die is fixedly arranged at a first station, the first punching block and the second punching block are connected with the first lower die in a lifting manner, and the first punching block and the second punching block are arranged in a left-right corresponding manner; the second punching mechanism comprises a second upper die, a second lower die and a third punching block, the second lower die is fixedly arranged at a second station, the third punching block is connected with the second lower die in a translation mode, and the second upper die is located above the second lower die in a liftable mode. The invention has the beneficial effects that: the first punching mechanism and the second punching mechanism are arranged along the workpiece transmission direction, so that the workpieces can be punched progressively, and the production efficiency is greatly improved.

Description

Progressive punching device for automobile trim

Technical Field

The invention belongs to the technical field of automobile part processing, and relates to a progressive punching device for an automobile trim strip.

Background

The automobile trim is a part for automobile, the existing automobile trim generally has a cross section with a specific shape, when the automobile trim is processed, particularly when the trim is processed on an automobile door frame, a material belt forms a semi-finished product with the specific section shape after being rolled by a plurality of rollers, and the semi-finished product needs to be punched and punched by punching equipment.

In the prior art, after the semi-finished product is punched at the first station, the semi-finished product is taken out and put into the second station for punching, so that the processing is troublesome and the production efficiency is low.

Disclosure of Invention

The invention aims to provide a progressive punching device for an automobile trim strip, aiming at the problems in the prior art.

The purpose of the invention can be realized by the following technical scheme: an apparatus for progressive die-cutting of an automotive trim strip, comprising:

the device comprises a base, a first working position and a second working position, wherein the base is sequentially provided with the first working position and the second working position along the workpiece transmission direction;

the first punching mechanism comprises a first upper die, a first lower die, a first punching block and a second punching block, the first lower die is fixedly arranged at the first station, the first punching block and the second punching block are both connected with the first lower die in a lifting manner, the first punching block and the second punching block are arranged in a left-right corresponding manner, the first upper die is positioned above the first lower die in a lifting manner and can drive the first punching block and the second punching block to punch downwards;

the second punching mechanism comprises a second upper die, a second lower die and a third punching block, the second lower die is fixedly arranged on the second station, the second lower die is arranged in a head-to-tail correspondence mode with the first lower die, workpieces can be driven to advance to the second lower die, the third punching block can be connected with the second lower die in a translation mode, and the second upper die is arranged above the second lower die in a liftable mode and can drive the third punching block to be punched in a side direction.

Preferably, the second lower mould is provided with the wedge of liftable, the die-cut piece of third is provided with the inclined plane, the wedge pass through the inclined plane with the die-cut piece linkage of third is connected, works as when going up the mould decline in the second through the wedge promotes the die-cut piece side direction of third is die-cut.

Preferably, the first punching block is provided with a first cutter, and the second punching block is provided with a second cutter.

Preferably, the third punching block is provided with a third cutter and a punching cutter.

Preferably, the first lower die and the second lower die are provided with rollers for pressing the upper surface of the workpiece.

Preferably, a reset piece is arranged between the bottom of the first punching block and the base, between the bottom of the second punching block and the first lower die, and between the side of the third punching block and the second lower die.

Preferably, the second lower die is provided with a plurality of elastic supporting blocks which are arranged corresponding to the third punching blocks in the left-right direction.

Preferably, the mould further comprises a first hydraulic cylinder and a second hydraulic cylinder, the first upper mould is connected with a piston rod of the first hydraulic cylinder, and the second upper mould is connected with a piston rod of the second hydraulic cylinder.

Compared with the prior art, the invention has the beneficial effects that:

1. the first punching mechanism and the second punching mechanism are arranged along the workpiece transmission direction, so that the workpieces can be punched progressively, and the production efficiency is greatly improved.

2. The gyro wheel can press the upper surface at the work piece, and can assist the work piece and carry forward, avoids the work piece drunkenness when the work piece is carried forward.

3. Because the third punching block is positioned on one side of the workpiece, the other side of the workpiece needs to be supported by the elastic supporting block, and the other side of the workpiece is supported, so that punching by a third cutter and a punching cutter on the third punching block is facilitated.

Drawings

Fig. 1 is a schematic view of the progressive cutting device of the present invention.

Fig. 2 is a distribution diagram of the first punching mechanism and the second punching mechanism of the present invention.

Fig. 3 is a schematic view showing a state in which the first punching mechanism of the present invention performs punching.

Fig. 4 is a schematic view showing a state in which the third cutter of the second punching mechanism performs punching.

Fig. 5 is a schematic view showing a state in which the punching blade of the second punching mechanism performs punching according to the present invention.

Fig. 6 is a schematic structural view of the first die-cut piece and the second die-cut piece of the present invention.

Fig. 7 is a schematic view showing the connection relationship between the wedge block and the third die-cutting block according to the present invention.

In the figure, 100, base; 110. a first station; 120. a second station; 200. a first die cutting mechanism; 210. a first upper die; 220. a first lower die; 230. a first die-cut block; 240. second punching and cutting; 250. a first cutter; 260. a second cutter; 270. a first hydraulic cylinder; 300. a second die cutting mechanism; 310. a second upper die; 320. a second lower die; 330. thirdly, punching and cutting; 340. a wedge block; 350. a third cutter; 360. a punching cutter; 370. an elastic support block; 380. a second hydraulic cylinder; 400. a roller; 500. a reset member.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 7, a progressive die-cutting apparatus for an automotive molding, comprising: the base 100 is sequentially provided with a first station 110 and a second station 120 along a workpiece transmission direction; the first punching mechanism 200 comprises a first upper die 210, a first lower die 220, a first punching block 230 and a second punching block 240, the first lower die 220 is fixedly arranged at the first station 110, the first punching block 230 and the second punching block 240 are connected with the first lower die 220 in a liftable manner, the first punching block 230 and the second punching block 240 are arranged in a left-right corresponding manner, the first upper die 210 is arranged above the first lower die 220 in a liftable manner and can drive the first punching block 230 and the second punching block 240 to punch downwards; the second punching mechanism 300 includes a second upper die 310, a second lower die 320 and a third punching block 330, the second lower die 320 is fixedly disposed at the second station 120, the second lower die 320 and the first lower die 220 are correspondingly disposed end to end and a workpiece can be advanced from the first lower die 220 to the second lower die 320, the third punching block 330 is translatably connected with the second lower die 320, and the second upper die 310 is liftably located above the second lower die 320 and can drive the third punching block 330 to punch laterally.

Automobile trim, especially on the car door frame trim add man-hour, need carry out die-cut many times, but need take out the trim from the mould after die-cut each time finishes, then put next mould and process, so efficiency is very low, and this device is ingenious sets up the overall arrangement of progressive processing with first die-cut mechanism 200 and second die-cut mechanism 300, and the work piece can be processed by progressive, has improved production beat and production efficiency.

The first station 110 and the second station 120 are arranged in a front-back arrangement, and the first punching mechanism 200 and the second punching mechanism 300 are respectively arranged at the first station 110 and the second station 120, so that a workpiece can be moved to the first punching mechanism 200 for processing and then moved to the second punching mechanism 300, wherein the first punching block 230 and the second punching block 240 of the first punching mechanism 200 are respectively located at two sides of the workpiece, and the first upper die 210 can drive the first punching block 230 and the second punching block 240 to punch two notches downwards when descending, so that the workpiece can be punched into two notches firstly and then moved to the third punching block 330 of the second punching mechanism 300, and the third punching block 330 can be driven to punch towards the side surface of the workpiece when descending the second upper die 310, so that the workpiece is punched laterally and punched, and the production efficiency is greatly improved.

As shown in fig. 1, 2, 4, 5, and 7, the second lower die 320 is provided with a wedge block 340 capable of being lifted, the third punch block 330 is provided with an inclined surface, the wedge block 340 is linked with the third punch block 330 through the inclined surface, and when the second upper die 310 descends, the wedge block 340 pushes the third punch block 330 to perform side punching. The wedge block 340 is capable of converting the downward movement of the second lower die 320 into a horizontal movement of the third blanking block 330 toward the workpiece.

As shown in fig. 1, 3 and 6, the first die-cutting block 230 is provided with a first cutter 250, and the second die-cutting block 240 is provided with a second cutter 260. The third die-cutting block 330 is provided with a third cutter 350 and a punching cutter 360.

The first lower die 220 has a first notch adapted to the shape of the first cutter 250 and a second notch adapted to the shape of the second cutter 260, the first notch is located below the first cutter 250, the second notch is located below the second cutter 260, and similarly, the second lower die 320 has a recess located opposite to the third cutter 350 and a through hole located opposite to the punching cutter 360.

As shown in fig. 2 to 4, the first lower die 220 and the second lower die 320 are provided with rollers 400 for pressing an upper surface of a workpiece. The roller 400 can be pressed on the upper surface of the workpiece, and can assist in workpiece advancement, avoiding workpiece play while the workpiece is advanced.

As shown in fig. 1 and 3 to 6, a reset piece 500 is disposed between the bottom of the first die-cutting block 230 and the base 100, between the bottom of the second die-cutting block 240 and the first lower die 220, and between the side of the third die-cutting block 330 and the second lower die 320. After the first punching block 230, the second punching block 240 and the third punching block 330 are punched, the first punching block 230, the second punching block 240 and the third punching block 330 can be reset under the action of the resetting piece 500, namely, the first punching block 230 and the second punching block 240 can be lifted, and the third punching block 330 can be far away from a workpiece.

As shown in fig. 1 and 4, the second lower die 320 is provided with a plurality of elastic support blocks 370 which are arranged corresponding to the third die-cutting block 330 in the left-right direction. Since the third punching block 330 is located at one side of the workpiece, the other side of the workpiece needs to be supported by the elastic support block 370, and since the other side of the workpiece is supported, it is beneficial to allow the third cutter 350 and the punching cutter 360 on the third punching block 330 to punch, and the elastic support block 370 may preferably be a gas spring.

As shown in fig. 1 to 5, the apparatus further includes a first hydraulic cylinder 270 and a second hydraulic cylinder 380, the first upper mold 210 is connected to a piston rod of the first hydraulic cylinder 270, and the second upper mold 310 is connected to a piston rod of the second hydraulic cylinder 380. The first hydraulic cylinder 270 and the second hydraulic cylinder 380 can drive the first upper die 210 and the second upper die 310 to move up and down, respectively, and thereby operate the first punching mechanism 200 and the second punching mechanism 300.

It should be noted that all directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

Moreover, descriptions of the present invention as relating to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Claims

1. A progressive die-cut device of car trim, its characterized in that includes:

the first punching mechanism comprises a first upper die, a first lower die, a first punching block and a second punching block, the first lower die is fixedly arranged at the first station, the first punching block and the second punching block are connected with the first lower die in a liftable manner, the first punching block and the second punching block are arranged in a left-right corresponding manner, the first upper die is arranged above the first lower die in a liftable manner and can drive the first punching block and the second punching block to punch downwards;

second die-cutting mechanism, second die-cutting mechanism includes that the second goes up mould, second lower mould and third die-cutting piece, the second lower mould fixed set up in the second station, the second lower mould with first lower mould head and the tail correspond the setting and the work piece can be followed first lower mould advances extremely the second lower mould, third die-cutting piece translationally with the second lower mould is connected, it is located with liftable to go up the mould in the second the top of second lower mould and can drive the die-cutting piece lateral punching of third.

2. The progressive die-cutting device for an automotive molding according to claim 1, characterized in that: the second lower mould is provided with the wedge of liftable, the die-cut piece of third is provided with the inclined plane, the wedge passes through the inclined plane with the linkage of the die-cut piece of third is connected, works as go up the mould when descending of second passes through the wedge promotes the die-cut piece side of third is die-cut.

3. The progressive die-cutting device for an automobile molding according to claim 1, wherein: the first punching block is provided with a first cutter, and the second punching block is provided with a second cutter.

4. The progressive die-cutting device for an automotive molding according to claim 2, characterized in that: the third punching block is provided with a third cutter and a punching cutter.

5. The progressive die-cutting device for an automotive molding according to claim 1, characterized in that: the first lower die and the second lower die are both provided with rollers used for pressing the upper surface of a workpiece.

6. The progressive die-cutting device for an automobile molding according to claim 4, wherein: the bottom of the first punching block and the base, the bottom of the second punching block and the first lower die, and the side of the third punching block and the second lower die are provided with reset pieces.

7. The progressive die-cutting device for an automobile molding according to claim 2, wherein: the second lower die is provided with a plurality of elastic supporting blocks which are arranged corresponding to the third punching blocks left and right.

8. The progressive die-cutting device for an automotive molding according to claim 1, characterized in that: the mould comprises a first upper mould and a second upper mould, and is characterized by further comprising a first hydraulic cylinder and a second hydraulic cylinder, wherein the first upper mould is connected with a piston rod of the first hydraulic cylinder, and the second upper mould is connected with a piston rod of the second hydraulic cylinder.