CN212377052U

CN212377052U - Double faced adhesive tape vacuum adsorption device for flexible circuit board

Info

Publication number: CN212377052U
Application number: CN202020799664.XU
Authority: CN
Inventors: 刘月
Original assignee: Suzhou Tengxin Precision Material Technology Co ltd
Current assignee: Suzhou Tengxin Precision Material Technology Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-01-19
Anticipated expiration: 2030-05-14

Abstract

The utility model discloses a double faced adhesive tape vacuum adsorption equipment for flexible circuit board. The device comprises a working surface and a connector, wherein a buffer die holder is arranged between the working surface and the connector; wherein, be provided with stainless steel capillary in the working face, stainless steel capillary's one end with the buffering die holder with the connector is linked together, and the other end stretches out the outside of working face. The utility model provides a double faced adhesive tape vacuum adsorption equipment for flexible circuit board causes local vacuum and reaches the purpose of absorbing the adhesive tape through setting up gas pocket and stainless steel capillary part, has not only saved manpower, material resources and time to carry out the blowing easily, still avoided the contact to cause the damage in the face of the adhesive surface.

Description

Double faced adhesive tape vacuum adsorption device for flexible circuit board

Technical Field

The utility model relates to an automatic adsorb technical field, in particular to double faced adhesive tape vacuum adsorption equipment for flexible circuit board.

Background

In the process of manufacturing a flexible circuit board or the like, it is often necessary to use an adsorption device to adsorb the surface of a tape such as a double-sided tape. The general adsorption device generally contacts with the adhesive paper surface through a plane, and in order to ensure that the adsorption work is carried out smoothly, the contact surface of the adhesive paper is required to be a non-adhesive surface, and a common means for realizing the purpose is to cover a layer of non-adhesive auxiliary material on the double-sided adhesive paper. The non-sticky surface is arranged, so that more manpower, material resources and time are consumed, the discharging work after adsorption is inconvenient, and the non-sticky contact surface is easy to damage the surface of the adhesive.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a double faced adhesive tape vacuum adsorption device for flexible circuit board.

According to one aspect of the utility model, a double-sided adhesive tape vacuum adsorption device for a flexible circuit board is provided, which comprises a working surface and a connector, wherein a buffer die holder is arranged between the working surface and the connector; wherein, be provided with stainless steel capillary in the working face, stainless steel capillary's one end with the buffering die holder with the connector is linked together, and the other end stretches out the outside of working face.

The utility model provides a double faced adhesive tape vacuum adsorption equipment for flexible circuit board causes local vacuum and reaches the purpose of absorbing the adhesive tape through setting up gas pocket and stainless steel capillary part, has not only saved manpower, material resources and time to carry out the blowing easily, still avoided the contact to cause the damage in the face of the adhesive surface.

In some embodiments, a plurality of fixing holes are formed on the side wall of the connecting head. Therefore, the connector can be connected to the vacuum equipment through the fixing hole.

In some embodiments, the connector is provided with an air hole communicated with the buffer die holder inside, and the buffer die holder is provided with an air passage communicated with the air hole inside. Therefore, the vacuum equipment enables the buffer die holder and the stainless steel capillary tube to generate attraction through the air holes and the air channels so as to adsorb the gummed paper.

In some embodiments, a hollow guide tube is disposed inside the gas path, and two ends of the guide tube are respectively communicated with the gas hole and the stainless steel capillary. From this, set up the inner structure of buffering die holder, the stand pipe can be accurate to transmitting suction in the stainless steel capillary.

In some embodiments, a limit pipe is arranged inside the guide pipe, and a buffer spring is sleeved outside the limit pipe and connected to the connecting head; wherein, a part of the limiting pipe is opposite to the air hole, and the other part is opposite to the solid part of the connector. From this, further set up the inner structure of buffering die holder, spacing pipe can carry out spacingly to stainless steel capillary.

In some embodiments, a spacer is disposed between the stopper tube and the stainless steel capillary tube. Thus, the spacer can form a cushion between the stopper tube and the stainless steel capillary tube.

In some embodiments, the stainless steel capillary tube has two or more. Therefore, the number of the guide tubes, the limiting tubes, the gaskets and the like and the number of the stainless steel capillary tubes are the same as those of the stainless steel capillary tubes, and the guide tubes, the limiting tubes, the gaskets and the like correspond to the stainless steel capillary tubes in position.

In some embodiments, the stainless steel capillary has a wall thickness of 0.1 mm. Thus, the size of the stainless steel capillary tube was set.

Drawings

Fig. 1 is a schematic half-sectional view of a double-sided adhesive tape vacuum adsorption device for a flexible circuit board according to an embodiment of the present invention;

FIG. 2 is a schematic view of the structure in the direction A-A shown in FIG. 1;

FIG. 3 is a schematic view of the structure in the direction B-B shown in FIG. 1;

FIG. 4 is a schematic view of the structure in the direction C-C shown in FIG. 1;

FIG. 5 is a schematic diagram of the flexible printed circuit board shown in FIG. 1 being sucked by a double-sided adhesive vacuum adsorption device;

fig. 6 is a schematic diagram illustrating the principle of limiting the buffer die holder shown in fig. 1.

In the figure: working face 1, connector 2, buffering die holder 3, stainless steel capillary 4, spacing pipe 5, gasket 6, adhesive tape 7, fixed orifices 21, gas pocket 22, gas circuit 31, stand pipe 32, buffer spring 51.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 schematically shows a structure of a double-sided adhesive tape vacuum adsorption device for a flexible circuit board according to an embodiment of the present invention, fig. 2 shows a structure in an a-a direction in fig. 1, fig. 3 shows a structure in a B-B direction in fig. 1, fig. 4 shows a structure in a C-C direction in fig. 1, fig. 5 shows a principle that the flexible circuit board is sucked by the double-sided adhesive tape vacuum adsorption device in fig. 1, and fig. 6 shows a principle that a buffer die holder in fig. 1 performs limiting. As shown in fig. 1-6, the device includes a working surface 1 and a connector 2, and a buffer die holder 3 is disposed between the working surface 1 and the connector 2, the working surface 1 is used for performing an adsorption operation near the adhesive paper 7, the connector 2 is used for connecting with a vacuum device such as a vacuum generator, and the buffer die holder 3 is used for forming a buffer therebetween to ensure a smooth operation of the device. Wherein, the connector 2 and the interior of the buffer die holder 3 are both hollow and communicated.

A hollow stainless steel capillary tube 4 is arranged in the working surface 1, the stainless steel capillary tube 4 penetrates through the working surface 1, one end of the stainless steel capillary tube is communicated with the buffer die holder 3 and the connector 2, and the other end of the stainless steel capillary tube extends out of the working surface 1.

Preferably, the stainless steel capillary 4 has a wall thickness of 0.1 mm.

A plurality of fixing holes 21 are formed in the side wall of the connector 2, and the fixing holes 21 are used for fixedly mounting the connector 2 on the vacuum equipment. A hollow air hole 22 is arranged in the connector 2, a hollow air passage 31 is arranged in the buffer die holder 3, the air hole 22 is communicated with the air passage 31, and the size of the air passage 31 is larger than that of the air hole 22. Wherein, when the vacuum equipment is operated, a suction force is generated in the stainless steel capillary 4 through the air hole 22 and the air passage 31.

A hollow guide tube 32 is arranged in the air passage 31 inside the buffer die holder 3, one end of the guide tube 32 is communicated with the air hole 22, and the other end is communicated with the stainless steel capillary 4. A limit pipe 5 is arranged in the guide pipe 32, and a buffer spring 51 is sleeved outside the limit pipe 5. The size of the air passage 31 is larger than that of the air hole 22, one end of the limiting pipe 5, facing the connector 2, is located at the intersection of the air hole 22 and the air passage 31, one part of the end is opposite to the air hole 22, the other part of the end is opposite to the solid part of the connector 2, and when the limiting pipe 5 moves towards one end of the connector 2, the end can be in contact with the solid part of the connector 2.

A gasket 6 is arranged between the limiting pipe 5 and the stainless steel capillary 4, one end of the buffer spring 51 facing the connector 2 is connected to the solid part of the connector 2, and one end of the buffer spring 51 facing the working surface 1 is connected to the gasket 6.

Preferably, when the number of the stainless steel capillary tubes 4 is two or more, the guide tubes 32, the stopper tubes 5, the spacers 6, and the like are distributed at positions at the intersection of the air holes 22 and the air passage 31, corresponding to the stainless steel capillary tubes 4 in the same number and in the same correspondence with the stainless steel capillary tubes 4.

When the device is used for sucking the gummed paper 7 such as double-sided adhesive tape, the tail end of the stainless steel capillary tube 4 is moved to the gummed paper 7, the vacuum equipment operates and exhausts air to generate negative air pressure in the stainless steel capillary tube 4 through the connector 2, the gummed paper 7 can be sucked, the gummed paper 7 is moved to a gumming position by the moving device, the vacuum equipment stops operating or tries to stably inflate the stainless steel capillary tube 4, the negative air pressure is changed into zero air pressure or positive air pressure, the stainless steel capillary tube 4 is separated from the gummed paper 7, and then the gumming work can be directly carried out.

When the device is used, the limiting pipe 5 and the gasket 6 are positioned at the bottom of the guide pipe 32, namely one end close to the stainless steel capillary 4, and the buffer spring 51 is in a free state. When the adhesive tape 7 is moved to the adhesive applying position and pressed down by the tail end of the stainless steel capillary 4, the acting force applied to the stainless steel capillary 4 acts on the buffer spring 51 through the gasket 6, and the acting force can be buffered; when the acting force is too large, the limiting pipe 5 is also stressed to move to reach the top end of the guide pipe 32 until the solid part of the connector 2 is contacted, and the limiting pipe 5 and the buffer spring 51 can generate reaction force on the stainless steel capillary 4 at the same time, so that the limiting function is realized.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. The utility model provides a double faced adhesive tape vacuum adsorption equipment for flexible circuit board which characterized in that: the device comprises a working surface (1) and a connector (2), wherein a buffer die holder (3) is arranged between the working surface (1) and the connector (2); wherein, be provided with stainless steel capillary (4) in working face (1), the one end of stainless steel capillary (4) with buffering die holder (3) with connector (2) are linked together, and the other end stretches out the outside of working face (1).

2. The double-sided adhesive tape vacuum adsorption device for the flexible circuit board according to claim 1, characterized in that: the side wall of the connector (2) is provided with a plurality of fixing holes (21).

3. The double-sided adhesive tape vacuum adsorption device for the flexible circuit board according to claim 1, characterized in that: the inside of connector (2) be provided with gas pocket (22) that buffering die holder (3) are linked together, the inside of buffering die holder (3) be provided with gas circuit (31) that gas pocket (22) are linked together.

4. The double-sided adhesive tape vacuum adsorption device for the flexible circuit board according to claim 3, characterized in that: the inside of gas circuit (31) is provided with hollow stand pipe (32), the both ends of stand pipe (32) respectively with gas pocket (22) with stainless steel capillary (4) are linked together.

5. The double-sided adhesive tape vacuum adsorption device for the flexible circuit board according to claim 4, characterized in that: a limiting pipe (5) is arranged inside the guide pipe (32), a buffer spring (51) is sleeved outside the limiting pipe (5), and the buffer spring (51) is connected to the connector (2); one part of the limiting pipe (5) is opposite to the air hole (22), and the other part of the limiting pipe is opposite to the solid part of the connector (2).

6. The double-sided adhesive tape vacuum adsorption device for the flexible circuit board according to claim 5, characterized in that: a gasket (6) is arranged between the limiting pipe (5) and the stainless steel capillary tube (4).

7. The double-sided adhesive tape vacuum adsorption device for the flexible circuit board according to any one of claims 1 to 6, wherein: the stainless steel capillary tubes (4) have more than two.

8. The double-sided adhesive tape vacuum adsorption device for the flexible circuit board according to claim 7, characterized in that: the wall thickness of the stainless steel capillary (4) is 0.1 mm.