CN212126964U

CN212126964U - Carrier band forming traction structure

Info

Publication number: CN212126964U
Application number: CN202020475853.1U
Authority: CN
Inventors: 刘飞燕; 谢瑞琪
Original assignee: Dongguan Chaojing Electronic Technology Co ltd
Current assignee: Dongguan Chaojing Electronic Technology Co ltd
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-12-11
Anticipated expiration: 2030-04-03

Abstract

The utility model relates to a carrier tape forming traction structure, which is provided with a slide seat, wherein the slide seat linearly reciprocates along the direction of carrier tape forming traction; the slide seat is provided with an upper pressing block and a lower supporting block which are opposite up and down, the upper pressing block and the lower supporting block have opening and closing characteristics which are close to or far away from each other relatively, the side surface of the upper pressing block facing the lower supporting block is provided with positioning needles which protrude downwards, the positioning needles are arranged according to the moving direction of the slide seat, and the distance between every two adjacent positioning needles is equal to or in a multiple relation with the distance between positioning holes used for index positioning on the carrier tape; the side face of the lower support block facing the upper press block is provided with an avoiding hole, the arrangement of the avoiding hole is matched with the positioning pin of the upper press block, and the avoiding hole provides an avoiding space for the positioning pin of the upper press block to penetrate through the positioning hole in the carrier band. The utility model discloses effectively prevent to skid, reach the accurate and pull, the carrier band pulls the length of removal balanced, ensures the shaping quality of carrier band, reduces the defective rate to can promote speed and the accuracy that the carrier band was received the area. Simple structure and low operation cost.

Description

Carrier band forming traction structure

Technical Field

The utility model belongs to the technical field of the carrier band shaping preparation technique and specifically relates to but intermittent type nature removes structure that pulls of carrier band when carrier band shaping is received.

Background

The carrier tape is a tape-shaped product used in the field of electronic packaging, and has a specific thickness, and holes (also called pockets) for receiving electronic components and positioning holes for index positioning are equidistantly distributed in the length direction of the tape-shaped product. The carrier tape forming machine is equipment for producing carrier tapes, and the carrier tape production process generally comprises the processes of feeding, heating, forming, punching and tape collecting. When the existing carrier tape is formed and taken up, the carrier tape needs to be intermittently moved by a traction structure so as to coordinate the forming and taking-up actions. The structure of pulling on the present carrier band make-up machine is mainly face contact centre gripping pulling, presss from both sides the upper and lower side work at carrier band edge through the centre gripping tool, however because the carrier band is the plastic sheet body, the phenomenon of skidding often appears in the current structure of pulling work, and traction stability is poor, causes the error of heating, shaping and punching, influences the shaping quality of carrier band, causes defective rate and manufacturing cost to rise.

Disclosure of Invention

An object of the utility model is to provide a structure is pull in carrier band shaping, the above-mentioned technical problem of fine solution, accurate pulling reduces to pull and skids, promotes the shaping quality of carrier band, reduces the defective rate.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the carrier tape forming and drawing structure is provided with a sliding seat which linearly reciprocates along the direction of carrier tape forming and drawing; the sliding seat is provided with an upper pressing block and a lower supporting block which are opposite up and down, the upper pressing block and the lower supporting block have opening and closing characteristics which are close to or far away from each other relatively, the side surface of the upper pressing block facing the lower supporting block is provided with positioning needles which protrude downwards, the positioning needles are arranged according to the moving direction of the sliding seat, and the distance between every two adjacent positioning needles is equal to or in multiple relation with the distance between positioning holes used for index positioning on the carrier tape; the side face of the lower support block facing the upper pressing block is provided with an avoiding hole, the arrangement of the avoiding hole is matched with the positioning pin of the upper pressing block, and the avoiding hole provides an avoiding space for the positioning pin of the upper pressing block to penetrate through the positioning hole in the carrier band.

According to the scheme, the outer diameter of the positioning needle penetrating part is matched with the aperture of the positioning hole in the carrier tape, and the aperture of the avoiding hole is larger than the outer diameter of the positioning needle penetrating part.

The scheme is further that the upper pressing block is driven by a first cylinder to move up and down, the lower supporting block is fixedly connected with the sliding seat into a whole, and the first cylinder is assembled on the sliding seat.

The upper pressing block is composed of a bottom plate and an upper cover, a needle hole which meets the requirement that the positioning needle is inserted and assembled from top to bottom is formed in the bottom plate, the upper end of the positioning needle is designed to be a big end and is clamped on the bottom plate, and the upper cover is locked on the bottom plate and abuts against the big end of the positioning needle.

The scheme is further that the lower support block is a floating platform formed by protruding one side of the sliding seat, and the upper pressing block is arranged right above the lower support block; the sliding seat is driven by a second cylinder to realize linear reciprocating motion.

The utility model has the advantages that when the upper pressing block and the lower supporting block clamp and pull the carrier tape, the extra positioning pins are used for penetrating through the positioning holes on the carrier tape to position, so that the carrier tape is effectively prevented from slipping and achieves accurate traction, the length of the traction movement of the carrier tape is balanced, the forming quality of the carrier tape is ensured, the reject ratio is reduced, and the speed and the accuracy of the carrier tape take-up can be improved; simple structure, reliability, promotion carrier band shaping's operation, reduction in production cost.

Description of the drawings:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a partially enlarged schematic view of the embodiment of fig. 1.

The specific implementation mode is as follows:

the conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 and 2, which are schematic views of a preferred embodiment of the present invention, the present invention relates to a carrier tape forming traction structure, which has a sliding seat 1, wherein the sliding seat 1 is installed on a corresponding supporting component, such as a carrying bracket of a carrier tape forming machine, so as to combine a carrier tape forming line; the slide carriage 1 linearly reciprocates in the direction of carrier tape forming traction to provide intermittent traction action. The upper pressing block 2 and the lower supporting block 3 which are opposite up and down are arranged on the sliding seat 1, and the upper pressing block 2 and the lower supporting block 3 have opening and closing characteristics which are relatively close to or far away from each other, so that corresponding clamping work can be obtained. The side surface of the upper pressing block 2 facing the lower supporting block 3 is provided with positioning pins 21 protruding downwards, the positioning pins 21 are arranged according to the moving direction of the sliding seat 1, and the distance between adjacent positioning pins 21 is equal to or multiple of the distance between the positioning holes 41 used for index positioning on the carrier tape 4. The side face, facing the upper pressing block 2, of the lower supporting block 3 is provided with an avoiding hole 31, the arrangement of the avoiding hole 31 is matched with the positioning pin 21 of the upper pressing block 2, and the avoiding hole 31 provides an avoiding space for the positioning pin 21 of the upper pressing block 2 to penetrate through the positioning hole in the carrier tape. The positioning pins 21 in this embodiment are arranged one by one according to the positioning holes on the carrier tape, that is, the distance between adjacent positioning pins 21 is equal to the distance between the positioning holes 41 for index positioning on the carrier tape 4, so as to obtain multi-point positioning and pulling position clamping in a linear distribution, increase the pulling effect, and further avoid the slipping phenomenon.

Referring to fig. 1 and 2, in the present embodiment, preferentially, the outer diameter of the penetrating portion of the positioning pin 21 matches the diameter of the positioning hole 41 on the carrier tape, and the diameter of the avoiding hole 31 is larger than the outer diameter of the penetrating portion of the positioning pin 21, so that friction is effectively increased at the hole opening of the avoiding hole 31 while the positioning pin 21 is effectively positioned, the efficacy of clamping the carrier tape by the upper pressing block 2 and the lower supporting block 3 is improved, slipping is prevented, and accurate traction is achieved.

Referring to fig. 1 and 2, in the embodiment, the upper pressing block 2 is driven by the first cylinder 5 to move up and down, the lower supporting block 3 is fixedly connected with the sliding base 1 into a whole, and the first cylinder 5 is assembled on the sliding base 1. Further, the lower support block 3 is a floating platform formed by protruding one side of the sliding seat 1, and the upper pressing block 2 is arranged right above the lower support block 3; the sliding seat 1 is driven by a second cylinder 6 to realize linear reciprocating motion. The structure is simple and reasonable, and the investment cost is low; furthermore, the upper pressing block 2 is composed of a bottom plate 22 and an upper cover 23, a needle hole which allows the positioning needle 21 to be inserted and assembled from top to bottom is formed in the bottom plate 22, the upper end of the positioning needle 21 is designed to be a big end and is clamped on the bottom plate 22, and the upper cover 23 is locked on the bottom plate 22 and abuts against the big end of the positioning needle 21. The structure is convenient to manufacture and assemble, is convenient to maintain, promotes the operation of carrier tape forming, and reduces the production cost.

The utility model discloses a when going up briquetting 2 and 3 centre grippings of lower tray and pulling the carrier band, still borrow by extra pilot pin 21 and wear to establish locating hole 41 on the carrier band and advance line location, not only effectively prevent to skid, and reach accurate drawing, the carrier band pulls the length of removal balanced, ensures the shaping quality of carrier band, reduces the defective rate to can promote speed and the accuracy that the carrier band received the area, accord with carrier band shaping demand.

The present invention has been described in detail with reference to the embodiments, and only for the purpose of illustrating the technical concept and features of the present invention, the present invention is intended to be understood and implemented by those skilled in the art, and the protection scope of the present invention can not be limited thereby, so that equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. Structure is pull in carrier band shaping, its characterized in that: the device comprises a sliding seat (1), wherein the sliding seat (1) linearly reciprocates along the direction of carrier tape forming traction; the carrier tape is characterized in that an upper pressing block (2) and a lower supporting block (3) which are opposite up and down are arranged on the sliding seat (1), the upper pressing block (2) and the lower supporting block (3) have opening and closing characteristics which are relatively close to or far away from each other, positioning pins (21) which protrude downwards are arranged on the side face, facing the lower supporting block (3), of the upper pressing block (2), the positioning pins (21) are arranged and distributed according to the moving direction of the sliding seat (1), and the distance between every two adjacent positioning pins (21) is equal to or is in a multiple relation with the distance between positioning holes (41) used for index positioning on the carrier tape (4); the lower support block (3) is provided with an avoiding hole (31) on the side face facing the upper pressing block (2), the arrangement of the avoiding hole (31) is matched with the positioning pin (21) of the upper pressing block (2), and the avoiding hole (31) provides an avoiding space for the positioning pin (21) of the upper pressing block (2) to penetrate through the positioning hole in the carrier tape.

2. The carrier tape forming draw structure of claim 1, wherein: the outer diameter of the part where the positioning needle (21) penetrates is matched with the aperture of the positioning hole (41) in the carrier tape, and the aperture of the avoidance hole (31) is larger than the outer diameter of the part where the positioning needle (21) penetrates.

3. The carrier tape forming draw structure of claim 1, wherein: the upper pressing block (2) is driven by a first cylinder (5) to move up and down, the lower supporting block (3) is fixedly connected with the sliding seat (1) into a whole, and the first cylinder (5) is assembled on the sliding seat (1).

4. The carrier tape forming draw structure of claim 1 or 3, wherein: the upper pressing block (2) is composed of a bottom plate (22) and an upper cover (23), a needle hole which enables the positioning needle (21) to be inserted and assembled from top to bottom is formed in the bottom plate (22), the upper end of the positioning needle (21) is designed to be a big end and is clamped on the bottom plate (22), and the upper cover (23) is locked on the bottom plate (22) and abuts against the big end of the positioning needle (21).

5. The carrier tape forming draw structure of claim 1 or 3, wherein: the lower supporting block (3) is a floating platform formed by protruding one side of the sliding seat (1), and the upper pressing block (2) is arranged right above the lower supporting block (3); the sliding seat (1) is driven by a second cylinder (6) to realize linear reciprocating motion.