CN216037598U

CN216037598U - Film rolling device for preparing PCB (printed circuit board)

Info

Publication number: CN216037598U
Application number: CN202122743306.4U
Authority: CN
Inventors: 李清华; 牟玉贵; 张仁军; 胡志强; 杨海军; 邓岚
Original assignee: Inno Circuits Ltd
Current assignee: Inno Circuits Ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-03-15
Anticipated expiration: 2031-11-10

Abstract

The utility model provides a PCB board preparation is with rolling up membrane device locates flattening device one side, includes: the film winding mechanism comprises an installation plate, two film winding mechanisms and a limiting mechanism; the film rolling mechanisms are arranged on the mounting plate and are respectively positioned on the upper side and the lower side of the flattening device, each film rolling mechanism comprises a driving shaft and a driven shaft, rollers are sleeved on the driving shaft and the driven shaft, and plastic films are wound on the rollers; the drum is provided with a first through hole which penetrates through the drum along the center, and the driving shaft and the driven shaft are respectively arranged in the first through hole in a penetrating manner and are connected with the driving shaft and the driven shaft through a belt; the limiting mechanism comprises four limiting assemblies which are respectively arranged on one sides of the driving shaft and the driven shaft and used for limiting the movement of the roller; the limiting assembly comprises a screw rod and two limiting plates, the screw rod is fixed in the transverse column, one end of the transverse column is fixed on the mounting plate, one end of the screw rod is connected with the second motor, and the limiting plates are respectively sleeved on the two sections of threads of the screw rod; the used plastic film is automatically recycled, the PCB is protected from being damaged when being pressed, and the PCB is suitable for PCBs of different sizes.

Description

Film rolling device for preparing PCB (printed circuit board)

Technical Field

The utility model relates to the technical field of PCB production, in particular to a film rolling device for PCB preparation.

Background

In the production process of present PCB board, all need carry out the consent with the via hole on the PCB board before printing ink to the PCB board, but the general plumpness of consent is all higher, all can form protrudingly in via hole department, will produce the protruding phenomenon of printing ink when printing ink, so will flatten the PCB board before the printing ink, but if directly flatten the PCB board, just can press the PCB board broken or cause other damages, influence the quality of PCB board, and the PCB board just can only scrap in case the damage appears, cause very big waste, so do not damaged in order to protect the PCB board when flattening, just need increase the surface that the one deck protection film protected the PCB board when flattening.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned relevant prior art, this application provides a PCB board preparation is with rolling up membrane device, retrieves used plastic film voluntarily, and the protection PCB board does not receive the damage at ordinary times when carrying out the pressure, can adapt to not unidimensional PCB board simultaneously, has stronger practicality.

In order to achieve the above object, the present invention employs the following techniques:

the utility model provides a PCB board preparation is with rolling up membrane device locates flattening device one side, includes: mounting panel, roll up membrane mechanism, stop gear.

Roll up membrane mechanism and have two, all install on the mounting panel, roll up membrane mechanism and be located flattening device upper and lower both sides respectively, roll up membrane mechanism and include driving shaft and driven shaft, all overlap on driving shaft and the driven shaft and be equipped with the cylinder, the winding has the plastic film on the cylinder.

Furthermore, a plurality of key pins with uniform intervals are arranged on the peripheral sides of the driving shaft and the driven shaft along the axis direction, a first through hole penetrating through the drum is formed in the center of the drum, the driving shaft and the driven shaft are respectively arranged in the first through hole in a penetrating manner, and a plurality of key grooves with uniform intervals are also arranged in the first through hole along the circumferential direction and are matched with the key pins; a supporting seat is arranged on the side face of the mounting plate, a second through hole is formed in the center of the supporting seat and the mounting plate, the second through hole penetrates through the supporting seat and the mounting plate, one end of the driving shaft and one end of the driven shaft are respectively arranged in the second through hole in a penetrating mode, an annular groove is further formed in one end of the driving shaft and one end of the driven shaft, a belt is arranged in the annular groove, and the driving shaft and the driven shaft are connected through the belt; one end of the driving shaft is also provided with a first gear, a transmission shaft penetrates through the mounting plate, a second gear is sleeved on the transmission shaft, the first gear is matched with the second gear, one end of the transmission shaft is connected with a first motor, and the first motor is fixed on the mounting plate; the end face of the second through hole is provided with a first concave portion, the first concave portion and the supporting seat are respectively located on two sides of the mounting plate, a first boss is arranged at one end of the driving shaft and one end of the driven shaft and matched with the first concave portion, the annular groove of the driving shaft is located between the first boss and the first gear, and the annular groove of the driven shaft is located between the second boss and the first boss.

Further, driven shaft one end still is equipped with the second boss, and second boss tip is equipped with the third boss, and the mounting panel side is equipped with the support, and the support side is equipped with the third through-hole that runs through, and the second boss is worn to locate in the third through-hole, and third through-hole tip still is equipped with the second concave part, and in the second concave part was located to the third boss, the second boss diameter was greater than first boss diameter, and third boss diameter is greater than the second boss diameter.

Furthermore, the limiting mechanism comprises four limiting assemblies which are respectively arranged on one sides of the driving shaft and the driven shaft and used for limiting the movement of the roller; the limiting assembly comprises a screw rod and two limiting plates, the screw rod is fixed in the cross column, one end of the cross column is fixed on the mounting plate, one end of the screw rod is connected with a second motor, the second motor is fixed on the mounting plate, a partition plate is arranged in the center of the cross column and divides the threads of the screw rod into two sections, the rotating directions of the two sections of threads are opposite, the two limiting plates are respectively sleeved on the two sections of threads of the screw rod, a through fourth through hole is arranged in the center of each limiting plate, and the fourth through hole is used for penetrating through the driving shaft and the driven shaft; the diameter of the fourth through hole is larger than the diameter of the key pin and smaller than the diameter of the drum.

Furthermore, the length of the roller is less than the sum of the length of the key pin and the thickness of the limiting plate, and a layer of soft glue is further arranged on the peripheral surface of the roller.

The utility model has the beneficial effects that: the film rolling device is matched with the flattening device, and the PCB is protected when being flattened, so that the PCB is prevented from being damaged, and the yield is greatly improved; a limiting mechanism is added on the film winding mechanism to limit the roller, so that the phenomenon that the roller slides when the plastic film is wound, and the plastic film cannot be wound on the roller correctly is prevented; the belt is used for connecting the driving shaft and the driven shaft, so that the driven shaft rotates after the driving shaft rotates, and the phenomenon that the plastic film is loosened when the PCB is pressed is avoided due to the fact that the rotating speeds of the driving shaft and the driven shaft are inconsistent; the limiting plate is divided into two detachable parts, so that the roller is convenient to mount; it is further spacing with the driven shaft, prevent that it from appearing sliding, influence production efficiency.

Drawings

The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the present disclosure.

Fig. 1 is a perspective view of the overall structure of an embodiment of the present application.

Fig. 2 is a perspective view of a mounting plate according to an embodiment of the present application.

Fig. 3 is a perspective view of a film winding mechanism according to an embodiment of the present application.

Fig. 4 is a perspective view of a driving shaft according to an embodiment of the present application.

Fig. 5 is a perspective view of a driven shaft according to an embodiment of the present application.

Fig. 6 is a perspective view of a limiting plate according to an embodiment of the present application.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the described embodiments of the present invention are a part of the embodiments of the present invention, not all of the embodiments of the present invention.

As shown in fig. 1 to 6, this example provides a film rolling device for preparing a PCB, which is disposed on one side of a pressing device, and includes: mounting plate 100, roll up membrane mechanism 200, stop gear 300.

Film rolling mechanism 200 has two, all installs on mounting panel 100, and film rolling mechanism 200 is located flattening device upper and lower both sides respectively, and film rolling mechanism 200 includes driving shaft 201 and driven shaft 202, all overlaps on driving shaft 201 and the driven shaft 202 to be equipped with cylinder 203, and cylinder 203 week side surface is equipped with the one deck flexible glue, and the winding has the plastic film on the cylinder 203.

Specifically, in order to ensure that the drum 203 can completely follow the driving shaft 201 and the driven shaft 202 to rotate, and the rotation speed is the same, a plurality of key pins 205 with uniform intervals are arranged on the peripheral sides of the driving shaft 201 and the driven shaft 202 along the axial direction, the drum 203 is provided with a first through hole 204 penetrating through the center, the driving shaft 201 and the driven shaft 202 are respectively arranged in the first through hole 204 in a penetrating manner, a plurality of key slots 206 with uniform intervals are also arranged in the first through hole 204 along the circumferential direction, and the key pins 205 are matched with the key slots 206; the side surface of the mounting plate 100 is provided with a supporting seat 101 for supporting the driving shaft 201 and the driven shaft 202, the center of the supporting seat 101 and the mounting plate 100 are both provided with a second through hole 102, the driving shaft 201 and one end of the driven shaft 202 are respectively arranged in the second through hole 102 in a penetrating manner, one end of the driving shaft 201 and one end of the driven shaft 202 are also provided with a ring groove 208, a belt is arranged in the ring groove 208 and is connected with the driving shaft 201 and the driven shaft 202 through the belt, and the rotating speeds of the driving shaft 201 and the driven shaft 202 are ensured to be the same; the driving shaft 201 one end still is equipped with first gear 214, wears to be equipped with transmission shaft 209 on the mounting panel 100, and the cover is equipped with second gear 210 on the transmission shaft 209, and first gear 214 cooperates with second gear 210, and first motor 211 is connected to transmission shaft 209 one end, and first motor 211 is fixed on mounting panel 100.

Specifically, the end face of the second through hole 102 is provided with a first concave portion 103, the first concave portion 103 and the support seat 101 are respectively located on two sides of the mounting plate 100, one end of the driving shaft 201 and one end of the driven shaft 202 are provided with a first boss 207, and the first boss 207 is matched with the first concave portion 103, so that the driving shaft 201 cannot shake in the rotating process; a second boss 212 is further arranged at one end of the driven shaft 202, a third boss 213 is arranged at the end of the second boss 212, a support 104 is arranged on the side surface of the mounting plate 100, a third through hole 105 penetrating through the side surface of the support 104 is arranged on the side surface of the support 104, the second boss 212 is arranged in the third through hole 105 in a penetrating manner, a second concave portion 106 is further arranged at the end of the third through hole 105, and the third boss 213 is arranged in the second concave portion 106 to ensure that the driven shaft 202 cannot shake under the pulling of a belt; the second boss 212 has a diameter greater than the first boss 207 and the third boss 213 has a diameter greater than the second boss 212.

Specifically, the ring groove 208 of the driving shaft 201 is located between the first boss 207 and the first gear 214, and the ring groove 208 of the driven shaft 202 is located between the second boss 212 and the first boss 207.

Specifically, the limiting mechanism 300 comprises four limiting assemblies, and the limiting assemblies are respectively arranged on one sides of the driving shaft 201 and the driven shaft 202 and are used for limiting the movement of the roller 203; the limiting assembly comprises a screw rod 301 and a limiting plate 305, the screw rod 301 is fixed in a cross column 302, one end of the cross column 302 is fixed on the mounting plate 100, one end of the screw rod 301 is connected with a second motor 304, the second motor 304 is fixed on the mounting plate 100, a partition plate 303 is arranged in the center of the cross column 302, the partition plate 303 partitions threads of the screw rod 301 into two sections, the rotating directions of the two sections of threads are opposite, two limiting plates 305 are respectively sleeved on the two sections of threads of the screw rod 301, a through fourth through hole 306 is arranged in the center of the limiting plate 305, and the fourth through hole 306 is used for penetrating through the driving shaft 201 and the driven shaft 202; the diameter of the fourth through hole 306 is larger than the diameter of the key pin 205 and smaller than the diameter of the roller 203, so that the stopper plate 305 does not interfere with the driving shaft 201 and the driven shaft 202.

Specifically, the length of the roller 203 is smaller than the sum of the length of the key pin 205 plus the thickness of the stopper plate 305.

Specifically, the limiting plate 305 far away from the mounting plate 100 comprises a connecting portion 3051 and a limiting portion 3052, the limiting portion 3052 is detachably mounted on the connecting portion 3051, the connecting portion 3051 is sleeved on the screw rod 301, the limiting portion 3052 is sleeved on the driving shaft 201 or the driven shaft 202, and the roller 203 can be mounted more conveniently.

Specific embodiments are described below:

firstly, selecting rollers 203 with different specifications according to the size of a produced PCB, winding plastic films on the two rollers 203, then respectively sleeving the rollers 203 on a driving shaft 201 and a driven shaft 202, then fixing a limiting part 3052 on a connecting part 3051, then starting a second motor 304 to drive a screw rod 301 to rotate, enabling two limiting plates 305 to move oppositely because two sections of threads of the screw rod 301 are opposite in rotating direction until the rollers 203 are clamped, enabling the rollers 203 to be positioned at the middle position of the driving shaft 201 or a transmission shaft 202, simultaneously starting a first motor 211 to drive the transmission shaft 209 to rotate along with the flattening work of the PCB, enabling a second gear 210 to rotate along with the rotation, driving a first gear 214 matched with the second gear to rotate, starting the driving shaft 201 to rotate, enabling the driven shaft 202 to rotate along with the continuous rotation of the driving shaft 201 because the driving shaft 201 is connected with the driven shaft 202 through a belt, the plastic film on the cylinder 203 of driven shaft 202 is constantly transferred to cylinder 203 on the driving shaft 201, and the flattening device can use new plastic film when flattening the PCB at every turn, thereby ensuring the product quality.

In the embodiment, the film rolling device is matched with the flattening device, so that the PCB is protected when being flattened, the PCB is prevented from being damaged, and the yield is greatly improved; a limiting mechanism is added on the film winding mechanism to limit the roller, so that the phenomenon that the roller slides when the plastic film is wound, and the plastic film cannot be wound on the roller correctly is prevented; the belt is used for connecting the driving shaft and the driven shaft, so that the driven shaft rotates after the driving shaft rotates, and the phenomenon that the plastic film is loosened when the PCB is pressed is avoided due to the fact that the rotating speeds of the driving shaft and the driven shaft are inconsistent; the limiting plate is divided into two detachable parts, so that the roller is convenient to mount; it is further spacing with the driven shaft, prevent that it from appearing sliding, influence production efficiency.

The above is only a preferred embodiment of the present invention and is not intended to limit the present invention, and it is apparent that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a PCB board preparation is with rolling up membrane device locates flattening device one side, its characterized in that includes:

a mounting plate (100);

the film winding mechanism (200) comprises two film winding mechanisms (200) which are all arranged on the mounting plate (100), the film winding mechanisms (200) are respectively positioned on the upper side and the lower side of the flattening device, each film winding mechanism (200) comprises a driving shaft (201) and a driven shaft (202), rollers (203) are sleeved on the driving shaft (201) and the driven shaft (202), and plastic films are wound on the rollers (203);

and the limiting mechanism (300) comprises four limiting assemblies, and the limiting assemblies are respectively arranged on one sides of the driving shaft (201) and the driven shaft (202) and are used for limiting the movement of the roller (203).

2. The film rolling device for preparing the PCB according to claim 1, wherein a plurality of key pins (205) are uniformly spaced on the peripheral sides of the driving shaft (201) and the driven shaft (202) along the axial direction, the drum (203) is centrally provided with a first through hole (204) therethrough, the driving shaft (201) and the driven shaft (202) are respectively penetrated in the first through hole (204), a plurality of key slots (206) are also uniformly spaced in the first through hole (204) along the circumferential direction, and the key pins (205) are matched with the key slots (206);

a supporting seat (101) is arranged on the side face of the mounting plate (100), a penetrating second through hole (102) is formed in the center of the supporting seat (101) and the mounting plate (100), the driving shaft (201) and one end of the driven shaft (202) are equally arranged in the second through hole (102) respectively in a penetrating mode, an annular groove (208) is further formed in one end of the driving shaft (201) and one end of the driven shaft (202), a belt is arranged in the annular groove (208), and the driving shaft (201) and the driven shaft (202) are connected through the belt;

drive shaft (201) one end still is equipped with first gear (214), wear to be equipped with transmission shaft (209) on mounting panel (100), the cover is equipped with second gear (210) on transmission shaft (209), first gear (214) with second gear (210) cooperation, first motor (211) is connected to transmission shaft (209) one end, first motor (211) is fixed on mounting panel (100).

3. The film rolling device for preparing the PCB as recited in claim 2, wherein the end face of the second through hole (102) is provided with a first concave portion (103), the first concave portion (103) and the supporting seat (101) are respectively positioned at two sides of the mounting plate (100), one end of the driving shaft (201) and one end of the driven shaft (202) are provided with a first boss (207), and the first boss (207) is matched with the first concave portion (103).

4. The film rolling device for preparing the PCB according to claim 3, wherein one end of the driven shaft (202) is further provided with a second boss (212), the end of the second boss (212) is provided with a third boss (213), the side surface of the mounting plate (100) is provided with a bracket (104), the side surface of the bracket (104) is provided with a third through hole (105) which penetrates through the bracket, the second boss (212) is arranged in the third through hole (105) in a penetrating manner, the end part of the third through hole (105) is further provided with a second concave part (106), and the third boss (213) is arranged in the second concave part (106).

5. The film winding device for preparing the PCB according to claim 4, wherein the ring groove (208) of the driving shaft (201) is positioned between the first boss (207) and the first gear (214), and the ring groove (208) of the driven shaft (202) is positioned between the second boss (212) and the first boss (207).

6. The film rolling device for preparing PCB board of claim 4, wherein the diameter of the second boss (212) is larger than that of the first boss (207), and the diameter of the third boss (213) is larger than that of the second boss (212).

7. The film rolling device for preparing the PCB according to claim 2, wherein the limiting component comprises a screw rod (301) and a limiting plate (305), the screw rod (301) is fixed in a cross column (302), one end of the cross column (302) is fixed on the mounting plate (100), one end of the screw rod (301) is connected with a second motor (304), the second motor (304) is fixed on the mounting plate (100), a partition plate (303) is arranged at the center of the transverse column (302), the partition plate (303) divides the screw thread of the screw rod (301) into two sections, the rotating directions of the two sections of threads are opposite, two limiting plates (305) are respectively sleeved on the two sections of threads of the screw rod (301), the center of the limiting plate (305) is provided with a fourth through hole (306) which penetrates through the limiting plate, and the fourth through hole (306) is used for penetrating through the driving shaft (201) and the driven shaft (202).

8. The film winding device for preparing PCB of claim 7, wherein the diameter of said fourth through hole (306) is larger than the diameter of said key pin (205) and smaller than the diameter of said roller (203).

9. The film winding device for preparing the PCB according to claim 7, wherein the length of the roller (203) is less than the sum of the length of the key pin (205) and the thickness of the limiting plate (305).

10. The film rolling device for preparing the PCB as recited in claim 1, wherein the peripheral side surface of the roller (203) is provided with a layer of soft glue.