CN212795061U

CN212795061U - FPC covers die-cut online half cutting mechanism of membrane

Info

Publication number: CN212795061U
Application number: CN202021295463.2U
Authority: CN
Inventors: 黄涛
Original assignee: Shenzhen Xinrong Automatic Printing Equipment Co ltd
Current assignee: Shenzhen Xinrong automation intelligent equipment Co.,Ltd.
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-03-26
Anticipated expiration: 2030-07-03

Abstract

The utility model discloses an online semi-cutting mechanism for punching FPC (flexible printed circuit) cover films, which comprises a carrying base, wherein the carrying base comprises an upper plate, a lower plate and a guide pillar; the upper plate and the lower plate are parallel to each other and are arranged separately, the guide pillar is fixedly arranged between the upper plate and the lower plate, the guide pillar is provided with a slide block in a sliding fit manner, and the upper plate is fixedly provided with an air cylinder for driving the slide block to move; an etching cutter die is arranged on the lower side of the middle part of the sliding block and comprises a cutter positioning plate and a cutter; the cutter positioning plate is arranged below the sliding block, and the cutter is fixed in the middle of the lower side of the cutter positioning plate; two positioning blocks for preventing the cutter from being crushed are arranged below the sliding block, the two positioning blocks are respectively arranged on the left side and the right side of the cutter positioning plate, and the lower side surfaces of the positioning blocks are flush with the lower side edge of the cutter; when the cutting machine is used for cutting, the FPC is arranged between the two positioning blocks, the positioning blocks are pressed on the lower plate, the cutter positioning plate presses the cover film of the FPC, and the cutter cuts off the cover film, so that the stability of half cutting is improved.

Description

FPC covers die-cut online half cutting mechanism of membrane

Technical Field

The utility model belongs to the technical field of the FPC production technique and specifically relates to a FPC covers die-cut online half cutting mechanism of membrane for cut off the cover membrane on FPC surface.

Background

A Flexible Printed Circuit (FPC) is a highly reliable and excellent Flexible Printed Circuit board made of polyimide or polyester film as a base material. The FPC has the characteristics of high wiring density, light weight, thin thickness and good bending property, so that the FPC is more and more widely applied.

At present, in the field of mechanical precision machining, FPC circuit boards all need to be attached with covering films to prevent the circuit boards from being exposed in the air and being interfered by the external environment, and paving cushions are also made for subsequent treatment. The present FPC cover film raw material generally includes a cover film and a carrier film carrying a protective cover film, and before attaching the cover film to the FPC board, the cover film needs to be peeled off from the carrier film. In order to facilitate the peeling and the attaching of the covering film, before the peeling of the automatic equipment, the covering film material needs to be half-cut, namely, only the covering film is cut off according to the specification requirement, but the carrier film cannot be cut off.

Semi-cutting equipment on the market is difficult to ensure the fracture depth, and has poor stability, so that the cover film is often cut together with the carrier film when being cut, and defective products are increased; in order to reduce the production of defective products, dry film type cover films are generally used on the market, but the production process of the dry film type cover films comprises the steps of cutting, drilling, punching, positioning, attaching, pressing and the like, and the problems of complex process and low efficiency exist.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, provides a technical scheme that can solve above-mentioned problem.

An online semi-cutting mechanism for punching an FPC (flexible printed circuit) cover film comprises a carrying base, wherein the carrying base comprises an upper plate, a lower plate and a guide pillar; the upper plate and the lower plate are parallel to each other and are arranged separately, the guide pillar is fixedly arranged between the upper plate and the lower plate, the guide pillar is provided with a slide block in a sliding fit manner, and the upper plate is fixedly provided with an air cylinder for driving the slide block to move; an etching cutter die is arranged on the lower side of the middle part of the sliding block and comprises a cutter positioning plate and a cutter; the cutter positioning plate is arranged below the sliding block, and the cutter is fixed in the middle of the lower side of the cutter positioning plate; two locating pieces for preventing the cutting knife from being crushed are installed below the sliding block, the two locating pieces are respectively arranged on the left side and the right side of the cutter locating plate, and the lower side surface of the locating piece is flush with the lower side edge of the cutting knife.

As a further aspect of the present invention: the cutter positioning plate is fixedly provided with a cutter die holder above the cutter positioning plate, the two positioning blocks are correspondingly and fixedly arranged on the lower side of the cutter die holder, stepped grooves are formed in the left side and the right side of the cutter die holder, the two L-shaped positioning blocks which are bilaterally symmetrically arranged are fixedly arranged on the lower side of the sliding block, and the cutter die holder is in sliding fit between the two L-shaped positioning blocks through the stepped grooves.

As a further aspect of the present invention: the front side of the lower plate is also fixedly provided with a locking block for slidably positioning the knife die holder.

As a further aspect of the present invention: the guide post is provided with at least two separately arranged guide posts, the guide posts adopt chromium-plated rods, and linear bearings are arranged between the guide posts and the sliding blocks.

As a further aspect of the present invention: the cylinder is provided in plurality in divided arrangement.

Compared with the prior art, the beneficial effects of the utility model are that: the distance between cutting knife downside border and the cutter locating plate lower surface is the same with the thickness that covers the membrane, and when the cylinder drove the slider and pushes down, the etching cutting die cut FPC, and when cutting, FPC is between two locating pieces, and the lower surface of locating piece is pressed on the hypoplastron, and FPC's cover membrane is pushed down to the lower surface of cutter locating plate, and simultaneously, the cutting knife cuts off the cover membrane to half the stability of cutting has been improved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of another view angle of the present invention.

Fig. 3 is a front view structure diagram of the present invention.

Fig. 4 is an enlarged schematic view of a portion a of fig. 3.

Shown in the figure: 1. a carrying base; 1-1, upper plate; 1-2, a lower plate; 1-3, guide posts; 2. a slider; 3. a cylinder; 4. etching the cutting die; 4-1, cutter positioning plate; 4-2, a cutter; 5. positioning blocks; 6. a knife die holder; 7. A stepped groove; 8. an L-shaped positioning block; 9. a locking block; 10. and a linear bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, an FPC cover film punching on-line half-cutting mechanism includes a carrying base 1, the carrying base 1 includes an upper plate 1-1, a lower plate 1-2 and a guide post 1-3; the upper plate 1-1 and the lower plate 1-2 are parallel to each other and are arranged separately, the guide pillar 1-3 is fixedly arranged between the upper plate 1-1 and the lower plate 1-2, the guide pillar 1-3 is provided with a slide block 2 in a sliding fit manner, and the upper plate 1-1 is fixedly provided with a cylinder 3 for driving the slide block 2 to move; an etching cutter die 4 is arranged on the lower side of the middle part of the sliding block 2, and the etching cutter die 4 comprises a cutter positioning plate 4-1 and a cutter 4-2; the cutter positioning plate 4-1 is arranged below the slide block 2, and the cutter 4-2 is fixed in the middle of the lower side of the cutter positioning plate 4-1; two positioning blocks 5 for preventing the cutting knife 4-2 from being crushed are arranged below the sliding block 2, the two positioning blocks 5 are respectively arranged on the left side and the right side of the cutting knife positioning plate 4-1, and the lower side surface of the positioning block 4-1 is flush with the lower side edge of the cutting knife 4-2; the principle is as follows: the distance between the lower side edge of the cutting knife 4-2 and the lower surface of the cutter positioning plate 4-1 is the same as the thickness of the covering film, when the cylinder 3 drives the slider 2 to press down, the etching knife die 4 cuts the FPC, when cutting, the FPC is positioned between the two positioning blocks 5, the lower surface of the positioning block 5 presses the lower plate 1-2, the lower surface of the cutter positioning plate 4-1 presses the covering film of the FPC, and meanwhile, the cutting knife 4-2 cuts off the covering film, so that the stability of half cutting is improved.

As a further aspect of the present invention: a cutter die holder 6 is fixedly arranged above the cutter positioning plate 4-1, the two positioning blocks 5 are correspondingly and fixedly arranged on the lower side of the cutter die holder 6, stepped grooves 7 are formed in the left side and the right side of the cutter die holder 6, the two L-shaped positioning blocks 8 which are symmetrically arranged left and right are fixedly arranged on the lower side of the sliding block 2, and the cutter die holder 6 is in sliding fit between the two L-shaped positioning blocks 8 through the stepped grooves 7; the position of the cutter die holder 6 can be adjusted forwards and backwards, so that the position of the cutting knife 4-2 can be conveniently adjusted.

As a further aspect of the present invention: the front side of the lower plate 1-2 is also fixedly provided with a locking block 9 for the sliding positioning of the knife die holder 6; the knife die holder 6 can be locked by the locking block 9 after being adjusted, so that the phenomenon that the etching knife die 4 is shifted when being half-cut is avoided.

As a further aspect of the present invention: at least two guide posts 1-3 are separately arranged, the guide posts 1-3 adopt chromium-plated rods, and a linear bearing 10 is arranged between the guide posts 1-3 and the slide block 2; so that the sliding of the slider 2 is more stable.

As a further aspect of the present invention: the cylinder 3 is provided with a plurality of cylinders which are separately arranged; so that the pressure of the slider 2 pressing down is more uniform.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An online semi-cutting mechanism for punching an FPC (flexible printed circuit) cover film comprises a carrying base, wherein the carrying base comprises an upper plate, a lower plate and a guide pillar; the upper plate and the lower plate are parallel to each other and are arranged separately, the guide pillar is fixedly arranged between the upper plate and the lower plate, the guide pillar is provided with a slide block in a sliding fit manner, and the upper plate is fixedly provided with an air cylinder for driving the slide block to move; the method is characterized in that: an etching cutter die is arranged on the lower side of the middle part of the sliding block and comprises a cutter positioning plate and a cutter; the cutter positioning plate is arranged below the sliding block, and the cutter is fixed in the middle of the lower side of the cutter positioning plate; two locating pieces for preventing the cutting knife from being crushed are installed below the sliding block, the two locating pieces are respectively arranged on the left side and the right side of the cutter locating plate, and the lower side surface of the locating piece is flush with the lower side edge of the cutting knife.

2. The FPC coverfilm punching online half-cutting mechanism is characterized in that: the cutter positioning plate is fixedly provided with a cutter die holder above the cutter positioning plate, the two positioning blocks are correspondingly and fixedly arranged on the lower side of the cutter die holder, stepped grooves are formed in the left side and the right side of the cutter die holder, the two L-shaped positioning blocks which are bilaterally symmetrically arranged are fixedly arranged on the lower side of the sliding block, and the cutter die holder is in sliding fit between the two L-shaped positioning blocks through the stepped grooves.

3. The FPC coverfilm punching online half-cutting mechanism is characterized in that: the front side of the lower plate is also fixedly provided with a locking block for slidably positioning the knife die holder.

4. The FPC coverfilm punching online half-cutting mechanism is characterized in that: the guide post is provided with at least two separately arranged guide posts, the guide posts adopt chromium-plated rods, and linear bearings are arranged between the guide posts and the sliding blocks.

5. The FPC coverfilm punching online half-cutting mechanism is characterized in that: the cylinder is provided in plurality in divided arrangement.