阅读说明：本技术 一种用于全自动撕膜机的搓膜结构 (A rub membrane structure with hands for full-automatic dyestripping machine ) 是由 张超宁 罗钒 胡汪瑞 于 2021-08-10 设计创作，主要内容包括：本发明公开了一种用于全自动撕膜机的搓膜结构,包括机架、输送机构、升降支撑机构以及滚花机构,所述滚花机构上下交错设置有两个,所述滚花机构中的滚花轮的滚动方向与板材输送方向平行,所述升降支撑机构上下交错设置有两个,所述升降支撑机构包括支撑平台和升降气缸,所述支撑平台通过连接板与所述升降气缸的伸缩端固定连接,所述升降气缸的缸体固定于机架上。采用上述结构的一种用于全自动撕膜机的搓膜结构,滚花轮采用竖滚方式,滚花机构和升降支撑机构上下交错设置,减少对PCB板材的损坏,提高搓膜成功率。(The invention discloses a film rubbing structure for a full-automatic film tearing machine, which comprises a rack, a conveying mechanism, two lifting support mechanisms and two knurling mechanisms, wherein the two knurling mechanisms are arranged in a vertically staggered manner, the rolling direction of knurling wheels in the knurling mechanisms is parallel to the conveying direction of a plate, the two lifting support mechanisms are arranged in a vertically staggered manner, each lifting support mechanism comprises a support platform and a lifting cylinder, the support platform is fixedly connected with the telescopic end of each lifting cylinder through a connecting plate, and the cylinder body of each lifting cylinder is fixed on the rack. Adopt a rub membrane structure with hands for full-automatic dyestripping machine of above-mentioned structure, the knurling wheel adopts and erects the mode of rolling, and crisscross setting about knurling mechanism and the lift supporting mechanism reduces the damage to PCB panel, improves and rubs the membrane success rate with hands.)

1. The utility model provides a rub membrane structure with hands for full-automatic dyestripping machine, includes the frame, its characterized in that: still include conveying mechanism, lift supporting mechanism and annular knurl mechanism, annular knurl mechanism is crisscross from top to bottom to be provided with two, the roll direction of the knurling wheel in the annular knurl mechanism is parallel with panel direction of delivery, lift supporting mechanism is crisscross from top to bottom to be provided with two, lift supporting mechanism includes supporting platform and lift cylinder, supporting platform pass through the connecting plate with the flexible end fixed connection of lift cylinder, the cylinder body of lift cylinder is fixed in the frame.

2. The film rubbing structure for the full-automatic film tearing machine according to claim 1, characterized in that: knurling mechanism includes knurling wheel, fixing base, knurling cylinder, promotion connecting rod and horizontal migration cylinder, horizontal migration cylinder one end is fixed in the frame, the horizontal migration cylinder other end with fixing base fixed connection, the fixing base bottom is provided with the knurling wheel, the knurling wheel with it sets up relatively to promote connecting rod one end, promote the connecting rod other end with the flexible end of knurling cylinder sets up relatively, the knurling cylinder with promote the connecting rod all set up in the fixing base.

3. The film rubbing structure for the full-automatic film tearing machine according to claim 2, characterized in that: the side face of the fixing seat is fixedly provided with a positioning sensor which is a photoelectric sensor, and the fixing seat is provided with an air blowing channel.

4. The film rubbing structure for the full-automatic film tearing machine according to claim 2, characterized in that: two parallel through grooves are formed in the bottom of the fixing seat, and the two knurling wheels are fixed in the two through grooves respectively.

5. The film rubbing structure for the full-automatic film tearing machine according to claim 1, characterized in that: conveying mechanism includes conveying platform, inlays to be located conveying wheel and transport driving motor on the conveying platform, transport driving motor with the conveying wheel is connected through the axis of rotation.

Technical Field

The invention relates to the technical field of mechanical equipment, in particular to a film twisting structure for a full-automatic film tearing machine.

Background

Along with the improvement of living standard, electronic product update speed is faster and faster, also higher and higher to electronic product's production efficiency requirement, and PCB is all electronic components's carrier, because PCB panel is thinner and thinner, and PCB panel is impaired in transportation or transportation process easily, so in order to protect electronic components on the PCB in the manufacturing process, to PCB panel pastes the dry film and exposes, need tear the protection before carrying out the development etching. Meanwhile, a protective film is attached to the surface of some PCBs when the PCBs leave a factory, but when electronic products are assembled, the protective film on the surface of the PCBs needs to be torn off, and then the PCBs are assembled on the electronic products.

However, most of the existing methods still tear off the protective film on the surface of the PCB in a manual mode, because the protective film and the plate are thin and not easy to see, the labor intensity is high, and the film tearing efficiency is low, thereby affecting the production efficiency. The film tearing machine in the prior art needs to rub films before tearing the films, the film rubbing success rate of the existing film rubbing mechanism is low, the films are rubbed by rolling transversely, the protective films are easily rolled and broken on the whole plate edges of a film rubbing product, and the film breaking phenomenon can occur during film lifting.

Disclosure of Invention

The invention aims to provide a film rubbing structure for a full-automatic film tearing machine.

In order to achieve the purpose, the invention provides a film rubbing structure for a full-automatic film tearing machine, which comprises a rack, two conveying mechanisms, two lifting support mechanisms and two knurling mechanisms, wherein the two knurling mechanisms are arranged in a vertically staggered manner, the rolling direction of knurling wheels in the knurling mechanisms is parallel to the conveying direction of a plate, the two lifting support mechanisms are arranged in a vertically staggered manner, each lifting support mechanism comprises a support platform and a lifting cylinder, the support platform is fixedly connected with the telescopic end of each lifting cylinder through a connecting plate, and the cylinder body of each lifting cylinder is fixed on the rack.

Preferably, knurling mechanism includes knurling wheel, fixing base, knurling cylinder, promotion connecting rod and horizontal migration cylinder, horizontal migration cylinder one end is fixed in the frame, the horizontal migration cylinder other end with fixing base fixed connection, the fixing base bottom is provided with the knurling wheel, the knurling wheel with it sets up relatively to promote connecting rod one end, promote the connecting rod other end with the flexible end of knurling cylinder sets up relatively, the knurling cylinder with promote the connecting rod all set up in the fixing base.

Preferably, a positioning sensor is fixed on the side face of the fixing seat, the positioning sensor is a photoelectric sensor, and the fixing seat is provided with a blowing channel.

Preferably, two parallel through grooves are formed in the bottom of the fixing seat, and the two knurling wheels are fixed in the two through grooves respectively.

Preferably, conveying mechanism includes conveying platform, inlays and locates conveying wheel and transport driving motor on the conveying platform, transport driving motor with the conveying wheel is connected through the axis of rotation.

Therefore, the film twisting structure for the full-automatic film tearing machine adopting the structure has the following beneficial effects:

(1) the rolling direction of the knurling wheels in the knurling mechanism is parallel to the conveying direction of the plates, namely, the knurling wheels adopt a vertical rolling mode, and the film rubbing success rate is improved.

(2) The knurling mechanism is provided with two in a vertically staggered manner, the lifting support mechanism is provided with two in a vertically staggered manner, the knurling mechanism is arranged opposite to the lifting support mechanism, the PCB is conveyed to a film rubbing station through the conveying wheel, the PCB is fixed, the knurling wheel is in contact with the PCB, the PCB is rubbed with the film, the PCB is applicable to the thin PCB from 0.038MM to 0.076MM, the stress on the PCB is reduced, and the deformation of the PCB is avoided.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

FIG. 1 is a schematic diagram of a film rubbing structure for a full-automatic film tearing machine according to the present invention;

FIG. 2 is a sectional view of a film rubbing structure for a full-automatic film tearing machine according to the present invention;

FIG. 3 is a schematic diagram showing the positional relationship between the knurling wheels and the PCB.

Reference numerals

1. A frame; 2. a knurling mechanism; 21. a fixed seat; 211. a blowing channel; 212. a positioning sensor; 22. a knurling cylinder; 23. a horizontal movement cylinder; 24. pushing the connecting rod; 25. a knurling wheel; 3. a lifting support mechanism; 31. a support platform; 32. a connecting plate; 33. a lifting cylinder; 4. a conveying mechanism; 41. a conveying platform; 42. a delivery wheel.

Detailed Description

Examples

Fig. 1 is a schematic diagram of a film rubbing structure for a full-automatic film tearing machine, fig. 2 is a cross-sectional view of the film rubbing structure for the full-automatic film tearing machine, fig. 3 is a schematic diagram of a positional relationship between a knurling wheel and a PCB plate, and as shown in the figure, the film rubbing structure for the full-automatic film tearing machine comprises a frame 1, a conveying mechanism 4, a lifting support mechanism 3 and a knurling mechanism 2, two knurling mechanisms 2 are staggered up and down, the knurling mechanism 2 comprises a knurling wheel 25, a fixed seat 21, a knurling cylinder 22, a pushing connecting rod 24 and a horizontal moving cylinder 23, one end of the horizontal moving cylinder 23 is fixed on the frame 1, and the other end of the horizontal moving cylinder 23 is fixedly connected with the fixed seat 21. Fixing base 21 bottom is provided with knurling wheel 25, and knurling wheel 25 sets up with promoting connecting rod 24 one end relatively, promotes the connecting rod 24 other end and sets up with knurling cylinder 22's flexible end relatively, and knurling cylinder 22 all sets up in fixing base 21 with promotion connecting rod 24. Fixing base 21 side is fixed with positioning sensor 212, and this embodiment positioning sensor 212 is used for detecting whether PCB panel arrives the station for photoelectric sensor, and fixing base 21 is provided with blowing passageway 211, blows simultaneously rubbing the membrane in-process for the better separation of membrane and panel. Two parallel through grooves are formed in the bottom of the fixing seat 21, the two knurling wheels 25 are fixed in the two through grooves respectively, the rolling direction of the knurling wheels 25 is parallel to the conveying direction of the PCB, and a vertical rolling mode is adopted for film rubbing. Lifting support mechanism 3 is crisscross from top to bottom to be provided with two, and lifting support mechanism 3 includes supporting platform 31 and lift cylinder 33, and supporting platform 31 passes through connecting plate 32 and lift cylinder 33's flexible end fixed connection, and on lift cylinder 33's cylinder body was fixed in frame 1, lifting support mechanism 3 set up with annular knurl mechanism 2 side by side. Knurling mechanism sets up with lift supporting mechanism relatively, carries PCB panel to rubbing with the hands membrane station through the delivery wheel, and PCB panel is motionless, and knurling wheel 25 rubs with the hands membrane, is applicable to 0.038MM to the thick thinner PCB panel of 0.076MM, reduces the atress to PCB panel, avoids PCB panel to warp.

The conveying mechanism 4 includes a conveying platform 41, a conveying wheel 42 embedded on the conveying platform 41, and a conveying driving motor (not shown in the figure), and the conveying driving motor is connected with the conveying wheel 42 through a rotating shaft to convey the plate.

The process is as follows:

when the PCB panel moves to the position sensor 212 by the conveying mechanism 4 and stops operating, the lifting support mechanism 3 starts the lifting cylinder 33 to make the PCB panel approach the knurling mechanism. Start annular knurl cylinder 22 and promote push connecting rod 24 and make annular knurl wheel 25 contact PCB panel, blowing system opens simultaneously and bloies through the passageway of blowing, restart horizontal migration cylinder 23 drives annular knurl wheel 25 horizontal migration, reciprocal horizontal migration 2 times, PCB panel remains static this moment, will open the protection film on the PCB panel, open the protection film after the supporting platform pass through lift cylinder 33 and return, annular knurl cylinder and horizontal migration cylinder return simultaneously, start to carry driving motor and drive the delivery wheel and carry work piece to process tear the membrane down, annular knurl mechanism waits for the arrival repetitive operation of next work piece.

Therefore, the film rubbing structure for the full-automatic film tearing machine with the structure is adopted, the knurling wheels adopt a vertical rolling mode, the knurling mechanism and the lifting support mechanism are arranged in a vertically staggered mode, damage to a PCB (printed circuit board) is reduced, and the film rubbing success rate is improved.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the invention without departing from the spirit and scope of the invention.