CN218735254U

CN218735254U - Thin PTFE medium structure layer supporting jig

Info

Publication number: CN218735254U
Application number: CN202222929572.0U
Authority: CN
Inventors: 王斌; 唐宏华; 樊廷慧; 徐得刚
Original assignee: Huizhou King Brother Circuit Technology Co Ltd
Current assignee: Huizhou King Brother Circuit Technology Co Ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-03-24
Anticipated expiration: 2032-11-04

Abstract

The utility model belongs to the technical field of PCB, a thin PTFE medium structure layer supporting jig is provided, which comprises a mother frame body and a son frame body which are correspondingly arranged in a matching way, wherein the mother frame body comprises a first frame, a barrier strip is arranged at the inner side of the first frame, and a first fixed net is arranged between the first frames; the sub-frame body comprises second frames, and a second fixing net is arranged between the second frames; the combined type bicycle frame further comprises a movable buckle, and the female frame body and the sub frame body are detachably matched and connected at the same side through the movable buckle. The utility model discloses support tool, the deformation of inlayer figure after the reducible slim PTFE medium structure etching provides effectual location supporting role for the processing of PTFE medium structure circuit board, is favorable to cooperating follow-up processing, reduces the change of lamination harmomegathus, effectively promotes inlayer figure hole site precision.

Description

Thin PTFE medium structure layer supporting jig

Technical Field

The utility model belongs to the technical field of the PCB, concretely relates to slim PTFE medium structure layer supports tool.

Background

The coupler product is widely applied to communication base station antennas because of the advantages of compact structure, simple manufacture, convenience for integration with other circuits and the like, and meanwhile, along with the rapid development of communication technology, the coupler applied to the communication base station is developed in the directions of higher frequency, miniaturization and densification, the size of the coupler product is smaller and smaller, the medium structure matched with the coupler product is thinner and thinner, particularly, a PTFE material applied to high frequency belongs to a thermoplastic material, the material of the PTFE material is softer, the PTFE material is easy to deform in the processing process, when the inner layer is designed into a thin medium structure with the thickness of less than or equal to 0.1mm, the deformation of the inner layer and the expansion and contraction of the lamination are more difficult to control, and a larger process bottleneck is faced.

Aiming at a thin PTFE medium structure circuit board (the medium thickness is less than or equal to 0.10 mm), the existing processing technological process is as follows: cutting an inner layer, baking a plate, pretreating the inner layer, processing an inner layer circuit, etching the inner layer, removing a film on the inner layer, detecting the corrosion of the inner layer, zongzifying the inner layer, pre-laminating and riveting, laminating, drilling and connecting with a conventional production flow; however, the prior art processing methods mainly face the following problems:

1. the thin PTFE medium structure mainly comprises PTFE resin and ceramic filler, is limited by thickness, is not reinforced by glass cloth in the middle of a medium layer, is influenced by mechanical stress in the etching process of an inner layer pattern, and is easy to deform in a substrate part in a copper-free area to cause irregular deformation of the pattern;

2. when a multi-layer structure is laminated, the thin PTFE medium structure is influenced by high temperature and high pressure, the material has large expansion and contraction change and uncontrollable size, and hole position deviation is easy to occur during drilling.

3. After pressing, the product has large expansion and shrinkage changes, which results in high defective product rate.

Chinese patent CN205005350U discloses an IC sheet supporting jig, including the tool body, the tool body includes frame, second copper foil layer, locating hole, recess, loading board and support frame, the inside second copper foil layer that is equipped with of frame, second copper foil layer top layer is equipped with the locating hole, the inside supporting rack that is equipped with of second copper foil layer, the supporting rack includes first support frame and second support frame, two are equipped with the recess and correspond each other in the middle of the frame, this sheet supporting jig adopts support frame, the tool body that is made by elastic material and for acid and alkali-resistant elastic material to include a plurality of regions of running through and run through the part region of limit frame, not only molding simple structure, the price is low, and is corrosion-resistant, and product quality is high moreover, has improved the work efficiency of product greatly. However, the supporting effect of such a thin PTFE medium circuit board is not good enough, and improvement is still needed.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a slim PTFE medium structural layer supports tool.

The technical scheme of the utility model is that:

a thin PTFE medium structure layer supporting jig comprises a mother frame body and a sub frame body which are correspondingly arranged in a matched mode, wherein the mother frame body comprises first side frames, blocking strips are arranged on the inner sides of the first side frames, and a first fixing net is arranged between the first side frames;

the sub-frame body comprises second frames, and a second fixing net is arranged between the second frames;

the combined type bicycle frame further comprises a movable buckle, and the female frame body and the sub frame body are detachably matched and connected at the same side through the movable buckle.

The utility model discloses a slim carriage, female framework correspond the cooperation setting with sub-framework, detain through the activity again and can realize cooperation fixed connection. Through the first fixed network, the second fixed network that set up, can play the bottom sprag effect, through the strip that blocks that sets up, can realize the spacing fixed of plate body.

Preferably, the utility model discloses a stop that the strip contains the magnetic attraction structure, can dismantle the cooperation with first frame and be connected.

Further, the first fixed net is a rectangular fixed net, and the second fixed net is a rectangular fixed net; the net spacing of the first fixing net is 40-60mm, the net spacing of the second fixing net is 80-120mm, and good supporting force can be provided for the bottom of the plate body through the net spacing.

Furthermore, the thickness of the thin supporting frame is less than or equal to 4.5mm, and the limiting processing convenience of the thin plate body can be improved.

Further, the thickness of the first frame is 1.0-1.2mm, and the width is 20-30mm; the height of the barrier strip is 0.8-1.2mm; the net diameter of the first fixed net is 0.3-0.7mm.

Further, the thickness of the second frame is 0.8-1.0mm; the net diameter of the second fixed net is 0.3-0.7mm.

The limiting processing convenience of the thin plate body can be improved by limiting the structural sizes of the main frame body and the sub frame body.

Further, the female frame body is a 316 stainless steel frame body; the sub-frame body is a 316 stainless steel frame body, and the overall strength can be ensured.

The beneficial effects of the utility model reside in that:

the utility model discloses support tool, the deformation of inlayer figure after the reducible slim PTFE medium structure etching provides effectual location supporting role for the processing of PTFE medium structure circuit board, is favorable to cooperating follow-up processing, reduces the change of lamination harmomegathus, effectively promotes inlayer figure hole site precision.

Drawings

Fig. 1 is a schematic structural view of the thin support frame of the present invention;

fig. 2 is a schematic view of a partial structure of the thin support frame of the present invention;

fig. 3 is a schematic view of a partial structure of the thin supporting frame of the present invention.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

Example 1

A thin PTFE medium structure layer supporting jig comprises a mother frame body 1 and a sub frame body 2 which are correspondingly arranged in a matching mode, wherein the mother frame body comprises first side frames 11, blocking strips 12 are arranged on the inner sides of the first side frames, and a first fixing net 13 is arranged between the first side frames;

the sub-frame body comprises second side frames 21, and second fixing nets 22 are arranged between the second side frames;

the combined type bicycle frame further comprises a movable buckle 3, and the female frame body and the sub frame body are detachably matched and connected at the same side through the movable buckle.

Further, the first fixed net is a rectangular fixed net, and the second fixed net is a rectangular fixed net; the mesh spacing of the first fixed mesh is 40-60mm, and the mesh spacing of the second fixed mesh is 80-120mm.

Furthermore, the thickness of the thin supporting frame is less than or equal to 4.5mm.

Further, the thickness of the first frame is 1.0-1.2mm, and the width of the first frame is 20-30mm; the height of the barrier strip is 0.8-1.2mm; the net diameter of the first fixed net is 0.3-0.7mm.

Further, the female frame body is a 316 stainless steel frame body; the sub-frame body is a 316 stainless steel frame body.

Example 2

The present embodiment provides a thin PTFE medium structure layer supporting fixture having the same structure as that of embodiment 1, except that the blocking strip includes a magnetic attraction structure (not labeled) and can be detachably connected to the first frame in a matching manner.

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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art. It should be noted that the technical features not described in detail in the present invention can be implemented by any prior art.

Claims

1. A thin PTFE medium structure layer supporting jig is characterized by comprising a mother frame body and a sub frame body which are correspondingly matched, wherein the mother frame body comprises first side frames, blocking strips are arranged on the inner sides of the first side frames, and a first fixing net is arranged between the first side frames;

2. The thin PTFE medium structure layer supporting jig of claim 1, wherein the first fixing net is a rectangular fixing net, and the second fixing net is a rectangular fixing net.

3. The thin PTFE medium structure layer supporting jig as claimed in claim 2, wherein the first fixing net has a net pitch of 40-60mm, and the second fixing net has a net pitch of 80-120mm.

4. The thin PTFE medium structure layer supporting jig as claimed in claim 1, wherein the thickness of the thin supporting frame is less than or equal to 4.5mm.

5. The thin PTFE medium structure layer supporting jig as set forth in claim 3, wherein the first frame has a thickness of 1.0-1.2mm and a width of 20-30mm.

6. The thin PTFE medium structure layer supporting jig as claimed in claim 5, wherein the height of the barrier rib is 0.8-1.2mm.

7. The thin PTFE medium structure layer supporting jig as set forth in claim 6, wherein the first fixing net has a net diameter of 0.3-0.7mm.

8. The thin PTFE medium structure layer supporting jig of claim 7, wherein the thickness of the second frame is 0.8-1.0mm.

9. The thin PTFE medium structure layer supporting jig of claim 8, wherein the second fixing net has a net diameter of 0.3-0.7mm.

10. The thin PTFE media structure layer supporting jig of claim 1, wherein the female frame body is a 316 stainless steel frame body; the sub-frame body is a 316 stainless steel frame body.