CN118220883A - Flexible PCB board raw materials unreels equipment - Google Patents

Abstract

The application discloses flexible PCB raw material unreeling equipment, which comprises a rack, a pair of material reeling shafts and a material receiving plate, wherein the rack is positioned at the input end of production equipment used for matching with the unreeling equipment, and the production equipment is used for extracting raw materials from the unreeling equipment; the two material rolling shafts are rotatably arranged on the frame, and each material rolling shaft is used for placing the raw materials; the material receiving plate is arranged on one side of the frame far away from the production equipment, and the two material rolling shafts are positioned between the production equipment and the material receiving plate; the material receiving plate is provided with a stabilizing component for stabilizing the raw materials on each material rolling shaft on the material receiving plate. The application has the effects of reducing the interval between two adjacent flexible circuit board production lines and improving the utilization rate of the same space in a factory.

Description

Flexible PCB board raw materials unreels equipment

Technical Field

The invention relates to the field of circuit board manufacturing, in particular to flexible PCB raw material unreeling equipment.

Background

Along with the development of domestic information technology, the requirements of industrial production on circuit boards are higher and higher at present, in order to meet the production requirements, a flexible circuit board is used, and the flexible circuit board is a printed circuit board which is made of polyimide or polyester film and has high reliability and excellent flexibility. The flexible circuit board has the characteristics of high wiring density, light weight, thin thickness and good flexibility.

The existing development-etching-stripping production line is a main production process in the printed circuit board industry, and has the main function of reserving copper layers in circuit areas of a circuit board and etching away copper layers in non-circuit areas. In the mill, a plurality of production lines can arrange and set up, can set up the raw materials unreeling device of circuit board at the front end of production facility and construct, when former raw materials will be spent, the workman can pull out this raw materials of roll earlier and take up for can follow the raw materials in unreeling device structure all the time in the production facility, the workman stands simultaneously and splices next raw materials and original raw materials in the side of unreeling device structure.

For the related art, as shown in fig. 1, when splicing the front and rear rolls of raw materials of the flexible circuit board is performed on the side surface, a larger working space is required, so that the space between two adjacent lines of production lines is larger, which is not beneficial to production.

Disclosure of Invention

In order to change the working position when the raw materials are taken in, the distance between two adjacent flexible circuit board production lines is reduced, the utilization rate of the same space in a factory is improved, and the application provides flexible PCB raw material unreeling equipment.

The application provides a flexible PCB raw material unreeling device, which adopts the following technical scheme:

The flexible PCB raw material unreeling device comprises a rack, a pair of material reeling shafts and a material receiving plate, wherein the rack is positioned at the input end of production equipment used with the unreeling device, and the production equipment is used for extracting raw materials from the unreeling device; the two material rolling shafts are rotatably arranged on the frame, and each material rolling shaft is used for placing the raw materials; the material receiving plate is arranged on one side of the frame far away from the production equipment, and the two material rolling shafts are positioned between the production equipment and the material receiving plate; the material receiving plate is provided with a stabilizing component for stabilizing the raw materials on each material rolling shaft on the material receiving plate.

By adopting the technical scheme, a worker stands on the frame along the raw material conveying direction and is far away from one end of the production equipment to operate the raw materials on the two coil stock shafts, firstly, the raw material coiled materials in use are loosened to have a certain length, the production equipment can continuously operate the raw materials, and then the end part of the raw materials is spliced with the end part of the next coil of raw materials by the worker;

When two workers respectively operate the two rows of production equipment to splice raw materials, compared with the prior two workers standing on one side of the frame along the raw material conveying direction (as shown in a station position in fig. 1), the two workers can smoothly replace raw materials on the material winding shaft, so that the operation space between the two adjacent production equipment is increased, the workers cannot be blocked each other during operation, and the operation speed is increased; meanwhile, a worker uses the material receiving plate, and the raw materials on the two material rolling shafts are respectively fixed on the material receiving plate by using the stabilizing component, so that the worker can splice the raw materials conveniently;

In addition, in order to avoid stopping production during lengthening the raw materials, the raw materials are usually tensioned between a rack and production equipment for a long distance so as to buffer the raw materials, and then the raw materials can be lengthened on the rack.

Preferably, the stabilizing component comprises a vacuum generator and an air pipe, a through hole is formed in the material receiving plate, a negative pressure cavity communicated with the through hole is formed in the material receiving plate, and the vacuum generator is communicated with the negative pressure cavity through the air pipe.

Through adopting above-mentioned technical scheme, place the raw materials on receiving the flitch after pulling out from the coil stock axle, start vacuum generator and form negative pressure to adsorb the raw materials on receiving the flitch, place two rolls of raw materials simultaneously on receiving the flitch, the workman can splice two rolls of raw materials, this fixed mode is compared in carrying out the centre gripping to the raw materials, need not to operate the raw materials surface, makes things convenient for the workman to splice the operation.

Preferably, the two material winding shafts are respectively positioned at two sides of the material receiving plate in the vertical direction, the splicing plate surface provided with the through hole of the material receiving plate faces the outer side of the frame and is obliquely arranged, the two ends of the material receiving plate along the raw material conveying direction are rotatably provided with transition shafts, and the raw materials are wound on the transition shafts; the splicing board comprises a first splicing surface and a pair of second splicing surfaces, wherein the two second splicing surfaces are respectively positioned at two ends of the first splicing surface along the raw material conveying direction, the two second splicing surfaces are respectively used for placing two raw materials on the coil stock shaft, and the first splicing surfaces are used for bonding two gummed papers of the raw materials on the coil stock shaft.

By adopting the technical scheme, a worker firstly places the gummed paper on the first splicing surface, then winds two rolls of raw materials on the transition shaft respectively, places the two second splicing surfaces of the splicing panel on the gummed paper and stacks the two second splicing surfaces on the gummed paper, continuously pastes the gummed paper above the two rolls of raw materials, and splices the two rolls of raw materials into a whole; firstly, set up the operation of workman of being convenient for with receiving the flitch slope, the second, put into the concatenation face again around establishing on the transition axle with the raw materials, be favorable to protecting the raw materials, reduce the sharp-pointed condition of receiving the flitch surface of raw materials direct contact and lead to being scratched.

Preferably, the material receiving plate is slidably mounted on the frame, and the sliding direction of the material receiving plate is perpendicular to the raw material transporting direction on the material receiving plate.

By adopting the technical scheme, the material receiving plate slides on the frame, the material receiving plate is pulled out for conveniently replacing materials when raw materials are spliced, and the material receiving plate can be removed in the normal production process after the material receiving plate is finished, so that the operation is prevented from being hindered; secondly, if the installation position of the material receiving plate is fixed, the raw materials are required to be completely pulled open and bypass the material receiving plate to recover to the frame when the splicing is completed; after the material receiving plate is slidably arranged on the frame, the raw materials can be restored to the original positions by pushing the material receiving plate only by pulling the raw materials away from the surface of the material receiving plate.

Preferably, a first limit roller is rotatably arranged between the coil stock shaft and the production equipment, and the raw material is wound on the first limit roller; the frame is in first spacing roller one side is provided with the drive frame, the drive frame is along being close to or keeping away from first spacing roller's direction slip formula installs the second spacing roller, when needs change next roll the raw materials, the second spacing roller towards being close to first spacing roller direction slip and butt in the raw materials.

Through adopting above-mentioned technical scheme, because in two raw materials concatenation in-process, in order not to stop the production manufacturing of circuit board, can loosen original raw materials from the coil stock axle earlier and leave partial raw materials for production facility to continue feeding to produce, in order to reduce this partial circuit board skew and run the position, when carrying out the concatenation, use the spacing roller butt of second in the raw materials and form the centre gripping to the raw materials with first spacing roller, guarantee the stable transport of raw materials between each part, improve production stability.

Preferably, a pair of film winding rollers are rotatably arranged between the production equipment and the first limit roller, and the raw materials comprise a film tearing section positioned between the production equipment and the first limit roller; the dyestripping section is followed the frame towards production facility slope sets up, two the roll up the membrane roller is located respectively the both sides of dyestripping section and set up from top to bottom along vertical direction, two the roll up the membrane roller is used for winding up establish the two-layer protection film of raw materials.

Through adopting above-mentioned technical scheme, in order to protect the raw materials, can cover the protection film in the raw materials both sides generally, before the raw materials get into production facility, need take out this protection film and make production facility directly process the raw materials, two-layer protection film of raw materials is around locating two roll film rollers respectively, when production facility drives the whole transmission of raw materials, two roll film rollers rotate and drive the protection film of both sides to tear from the raw materials and make only the raw materials get into production facility, improve the degree of automation of circuit board production through this roll film roller, reduce the workman and tear the human cost of protection film; meanwhile, the conventional film winding rollers are arranged in a front-back mode, more space is generally occupied, and compared with the conventional mode, the film winding rollers are arranged up and down, so that a large amount of space is saved, and the utilization rate of the operation space is improved.

Preferably, a steering sensor, a controller and an alarm are arranged in the frame, the steering sensor is used for measuring rotating shaft steering data of the film winding roller, and the controller is used for judging whether the steering sensor senses that the rotating shaft of the film winding roller is changed or not according to the rotating shaft steering data and driving the alarm to alarm when the rotating shaft of the film winding roller is changed.

By adopting the technical scheme, hot pressing is needed in the working procedure of raw material treatment, the protective film possibly adheres to the raw material in the process, so that the protective film is conveyed along with the raw material towards production equipment, at the moment, the protective film pulls the film winding roller to rotate towards the opposite direction, after the steering sensor senses the steering change of the film winding roller, the controller controls the alarm to give an alarm, at the moment, a worker can stop the production equipment, and the protective film is torn off from the raw material and rewound onto the film winding roller; the use of the alarm and the sensor can improve the safety protection of the dyestripping and reduce the risk of accidents.

Preferably, the splicing board is provided with a mounting frame, the mounting frame extends along the direction perpendicular to the raw material conveying direction, the mounting frame is provided with a detection assembly, the detection assembly is used for detecting and placing the splicing board into the flatness of the raw material incision, and the mounting frame is also provided with a cutting assembly for cutting the detected raw material.

Through adopting above-mentioned technical scheme, when two rolls of raw materials of concatenation, the tip of raw materials can exist the unevenness, has the overlapping after leading to two rolls of raw materials concatenation, influences production, uses detection component to detect the tip of raw materials, when the tip exists not neat, starts the excision subassembly and excision the circuit board for two rolls of raw materials are close to one end each other and are parallel to each other, and the workman glues two raw materials on the sticky tape again this moment, accomplishes the concatenation of raw materials, improves the effect of concatenation.

Preferably, the mounting frame comprises a transverse frame and a vertical frame, and the vertical frame is fixedly arranged on the material receiving plate; the transverse frame is arranged on one side, far away from the spliced plate surface, of the vertical frame; and a moving cavity for moving the raw materials after the splicing is completed is formed between the transverse frame and the vertical frame.

Through adopting above-mentioned technical scheme, after accomplishing the excision, need follow the material and remove the back to in the frame on receiving the flitch, thereby need remove receiving the flitch simultaneously and make things convenient for follow-up workman to operate, make the material can remove on receiving the flitch through removing the chamber through setting up of grudging post and crossbearer to in the frame.

Preferably, the cutting assembly comprises a moving block and a cutting knife, wherein the moving block is slidably arranged on the transverse frame along the direction approaching to or separating from the raw materials, and a first driving piece for driving the moving block to slide is arranged on the mounting frame; the cutting knife is fixedly arranged on one side, facing the outside of the material receiving plate, of the moving block, a guide surface is arranged on one side, close to the raw materials, of the moving block, and a receiving cavity is arranged on one side, far away from the raw materials, of the moving block.

By adopting the technical scheme, when the detection assembly detects that the raw material is uneven, the first driving piece is started to drive the moving block to move on the transverse frame, the blade is driven to start to be abutted against the raw material so as to cut the raw material, and meanwhile, the cut raw material section is shoveled up along the guide surface so as to move along with the sliding block and fall into the bearing cavity of the sliding block, so that the raw material is convenient for workers to recycle; through excision subassembly, the workman only needs directly to put into the raw materials and connects the flitch on can prune the raw materials voluntarily, has improved the holistic degree of automation of equipment.

In summary, the present application includes at least one of the following beneficial technical effects:

1. Compared with the operation of standing on one side of the frame along the raw material conveying direction, the operation space between two adjacent production devices is increased, at the moment, two workers can smoothly replace the raw materials on the material winding shaft, and the operation speed is increased; in addition, through the change of the operation position and the use of the material receiving plate, the quick lengthening of the raw materials is realized, and a tensioning mechanism is not required to be arranged, so that the production space is saved;

2. The material receiving plate slides on the frame, the material receiving plate is pulled out for conveniently replacing materials when the raw materials are spliced, and the material receiving plate can be removed in the normal production process after the material receiving plate is finished, so that the operation is prevented from being hindered; secondly, if the installation position of the material receiving plate is fixed, the raw materials are required to be completely pulled open and bypass the material receiving plate to recover to the frame when the splicing is completed; after the material receiving plate is slidably arranged on the frame, the raw material can be restored to the original position by pushing the material receiving plate only by pulling the raw material away from the surface of the material receiving plate;

3. When the splicing is carried out, the second limiting roller is abutted to the raw materials and forms clamping on the raw materials with the first limiting roller, so that stable conveying of the raw materials among all parts is ensured, and production stability is improved.

Drawings

Fig. 1 is a schematic view of a conventional worker in a side position for changing a raw material.

Fig. 2 is a schematic diagram of the overall structure of a flexible PCB raw material unreeling device of embodiment 1 of the present application.

Fig. 3 is a schematic diagram showing a state when a worker of the flexible PCB raw material unreeling device of embodiment 1 of the present application changes raw materials.

Fig. 4 is a diagram showing the overall structure of a receiving plate of a flexible PCB raw material unreeling device of embodiment 1 of the present application.

Fig. 5 is a cross-sectional view of a mounting frame, a first limit roller and a second limit roller of a flexible PCB raw material unreeling device of embodiment 1 of the present application.

Fig. 6 is a schematic diagram of the overall structure of a receiving plate of a flexible PCB raw material unreeling device of embodiment 2 of the present application.

Fig. 7 is a front view of a receiving plate of a flexible PCB raw material unreeling device of embodiment 2 of the present application.

Fig. 8 is an enlarged view of a in fig. 6.

Reference numerals illustrate:

1. A frame; 11. a coiling shaft; 12. a first limit roller; 13. the second limit roller; 14. a film winding roller; 15. a drive rack; 2. a receiving plate; 21. a vacuum generator; 22. a through hole; 23. splicing the plate surfaces; 231. a first splicing surface; 232. a second splicing surface; 25. a transition shaft; 24. a mounting frame; 241. a cross frame; 242. a vertical frame; 3. a receiving groove; 4. production equipment; 5. a detection assembly; 6. a cutting assembly; 61. a moving block; 611. a receiving cavity; 62. a cutting knife; 63. a first driving member.

Detailed Description

The application is described in further detail below with reference to fig. 2-8.

Example 1

The embodiment of the application discloses flexible PCB raw material unreeling equipment. Referring to fig. 2, a frame 1 of a flexible PCB raw material unreeling device, a pair of reeling shafts 11, a receiving plate 2 and a receiving groove 3, wherein the frame 1 is positioned at an input end of a production device 4 used with the unreeling device, the production device 4 is positioned at the top of the frame 1, and the production device 4 is used for extracting raw materials from the unreeling device; the two material winding shafts 11 are rotatably arranged on the frame 1, and each material winding shaft 11 is used for placing raw materials; the material receiving plate 2 is slidably arranged on one side of the frame 1 far away from the production equipment 4 along the raw material conveying direction vertically arranged on the plate surface of the material receiving plate, and two material winding shafts 11 are positioned between the production equipment 4 and the material receiving plate 2; the material receiving plate 2 is provided with a stabilizing component for stabilizing the raw materials on each material rolling shaft 11 on the material receiving plate 2; the stabilizing component comprises a vacuum generator 21 and an air pipe, a through hole 22 is formed in the material receiving plate 2, a negative pressure cavity communicated with the through hole 22 is formed in the material receiving plate 2, and the vacuum generator 21 is communicated with the negative pressure cavity through the air pipe; the receiving groove 3 is fixedly arranged on the frame 1 and is positioned right below the two coil stock shafts 11;

Referring to fig. 2 and 3, when the raw material needs to be replaced on the frame 1, a worker stands at one end of the frame 1 far away from the production equipment 4, loosens the original raw material from the coil stock shaft 11 to form an extension section 111, at this time, the production equipment 4 extracts the extension section 111 for continuing the raw material, the extension section 111 naturally hangs down into the receiving groove 3, the worker starts the vacuum generator 21, stably places the end of the extension section 111 far away from the production equipment 4 and the beginning of the next coil raw material on the receiving plate 2, splices the two coils of raw material, removes the receiving plate 2 until the coil stock is completely separated from the receiving plate 2, and completes the splicing of the coil stock.

Referring to fig. 3 and 4, two material winding shafts 11 are respectively located at two sides of a material receiving plate 2 in the vertical direction, a spliced plate surface 23 provided with a through hole 22 on the material receiving plate 2 is inclined towards the outer side of a frame 1, two ends of the material receiving plate 2 along the raw material conveying direction are respectively provided with a transition shaft 25 in a rotating manner, and raw materials are respectively wound on the transition shafts 25; the splicing plate surface 23 comprises a first splicing surface 231 and a pair of second splicing surfaces 232, the two second splicing surfaces 232 are respectively positioned at two ends of the first splicing surface 231 along the raw material conveying direction, the two second splicing surfaces 232 are respectively used for placing raw materials on the two material winding shafts 11, and the first splicing surface 231 is provided with gummed paper used for binding the raw materials on the two material winding shafts 11; after the vacuum generator 21 is started, the gummed paper is firstly placed on the first splicing surface 231, one surface with viscosity faces upwards, then the raw material of the previous roll is placed on the second splicing surface 232 of the receiving plate 2, which is close to the material winding shaft 11, then the raw material of the next roll is placed on the other second splicing surface 232, which is close to the material winding shaft 11, the two rolls of raw materials are respectively stacked on the gummed paper, and then a worker sticks the other gummed paper to the upward surfaces of the two rolls of raw materials, so that the splicing is completed.

Referring to fig. 3 and 5, the frame 1 is rotatably provided with a first limit roller 12 between the winding shaft 11 and the production equipment 4, and the raw material is wound around the first limit roller 12; the frame 1 is provided with a driving frame 15 at one side of the first limit roller 12, the driving frame 15 is slidably provided with a second limit roller 13 along the direction approaching or far away from the first limit roller 12, and when the next roll of raw material needs to be replaced, the second limit roller 13 slides towards the direction approaching the first limit roller 12 and is abutted against the raw material; in this embodiment, the second limiting roller 13 includes a rolling portion and a fixing portion, the rolling portion is rotatably mounted on the fixing portion, an air cylinder is fixedly mounted on the driving frame 15, an output end of the air cylinder is fixedly connected to the fixing portion, when the extension section 111 naturally drops, in order to reduce the offset of the extension section 111 in the transmission process, when the splicing of coiled materials is started, the air cylinder is started to drive the second limiting roller 13 to abut against the raw material wound on the first limiting roller 12, so that the clamping is formed between the second limiting roller and the first limiting roller 12, and the raw material can be stably transmitted to reduce the offset.

Referring to fig. 2 and 3, the frame 1 is rotatably provided with a pair of film winding rollers 14 between the production equipment 4 and the first limit roller 12, and the raw material comprises a film tearing section between the production equipment 4 and the first limit roller 12; the film tearing section is obliquely arranged along the frame 1 towards the production equipment 4, two film winding rollers 14 are respectively positioned at two sides of the film tearing section and are arranged up and down along the vertical direction, and the two film winding rollers 14 are used for winding two layers of protective films of raw materials; the frame 1 is internally provided with a steering sensor, a controller and an alarm, wherein the steering sensor is used for measuring the steering data of the rotating shaft of the film winding roller 14, and the controller is used for judging whether the steering of the rotating shaft of the film winding roller 14 is changed or not according to the steering data of the rotating shaft and driving the alarm to alarm when the steering of the rotating shaft of the film winding roller 14 is changed; when the steering sensor senses that the rotating shaft of the film winding roller 14 is changed in steering, the protection film is extracted by the production equipment 4 along with the raw materials, the film tearing operation cannot be completed normally, the controller drives the alarm to alarm, a worker can stop the operation of the machine, and the protection film is torn off and wound on the film winding roller 14 again.

The implementation principle of the flexible PCB raw material unreeling device of the embodiment 1 of the application is as follows: when raw material splicing is needed, after a worker starts the stabilizing assembly, glue paper is firstly placed on the first splicing surface 231 of the receiving plate 2, two rolls of raw materials are respectively placed on the two second splicing surfaces 232 and are respectively placed on the paper, glue paper is attached to one surface, away from the receiving plate 2, of the two rolls of raw materials, and then splicing of the paper can be completed.

Example 2

Referring to fig. 6 and 7, embodiment 2 of the present application is different from embodiment 1 in that a mounting frame 24 is provided on the splice panel 23, the mounting frame 24 is provided to extend in a direction perpendicular to the raw material conveying direction, a detecting component 5 is provided on the mounting frame 24, the detecting component 5 is used for detecting the flatness of the cut of the raw material placed into the splice panel 23, and a cutting component 6 for cutting the detected raw material is further provided on the mounting frame 24.

The mounting frame 24 comprises a transverse frame 241 and a vertical frame 242, and the vertical frame 242 is fixedly arranged on the material receiving plate 2; the transverse frame 241 is arranged on one side of the vertical frame 242 far away from the spliced plate surface 23; a moving cavity for moving the raw materials after the splicing is completed is formed between the transverse frame 241 and the vertical frame 242.

The detecting assembly 5 comprises a pair of distance sensors arranged on the receiving plate 2, the two distance sensors are respectively and fixedly arranged on two sides of the splicing plate surface 23 along the direction perpendicular to the raw material transmission direction, the two distance sensors are used for sensing the distance between the raw material and the distance sensors on the two sides, and when the distance sensors sense that the sum of the values from the raw material to the distance sensors on the two sides changes, the cutting assembly 6 is started to cut the raw material.

Referring to fig. 6 and 8, the cutting assembly 6 includes a moving block 61 and a cutter 62, the moving block 61 is slidably mounted on a cross frame 241 in a direction approaching or separating from the raw material, and a first driving member 63 for driving the moving block 61 to slide is mounted on the mounting frame 24; the cutting knife 62 fixed mounting is in the movable block 61 one side towards the material receiving plate 2 outside, and one side that the movable block 61 is close to the raw materials is provided with the guide surface, offers the clearance groove that supplies the waste material after the cutting to pass on the movable block 61, and one side that the movable block 61 kept away from the raw materials is provided with accepts the chamber 611, and in this embodiment, first driving piece 63 is lead screw motor module, and the lead screw is rotationally installed in the crossbearer 241, and movable block 61 screw thread mounting is in the lead screw, and motor fixed mounting is in the crossbearer 241 and the output fixed connection of motor in the lead screw, and the lead screw is driven movable block 61 when rotating and is slided on material receiving plate 2.

The implementation principle of the flexible PCB raw material unreeling device of the embodiment 2 of the application is as follows: when the detecting assembly 5 detects that the notch of the raw material is uneven, the starting motor drives the screw rod to rotate, so that the moving block 61 is driven to move on the receiving plate 2 to cut the raw material until the detecting assembly 5 detects that the end of the raw material is even.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (10)

1. The flexible PCB raw material unreeling device is characterized by comprising a rack (1), a pair of material reeling shafts (11) and a material receiving plate (2), wherein the rack (1) is positioned at the input end of production equipment (4) used with the unreeling device, and the production equipment (4) is used for extracting raw materials from the unreeling device; the two material rolling shafts (11) are rotatably arranged on the frame (1), and each material rolling shaft (11) is used for placing the raw materials; the material receiving plate (2) is arranged on one side, far away from the production equipment (4), of the frame (1), and the two material rolling shafts (11) are positioned between the production equipment (4) and the material receiving plate (2); the material receiving plate (2) is provided with a stabilizing component for stabilizing the raw materials on each material rolling shaft (11) on the material receiving plate (2).

2. The flexible PCB raw material unreeling device according to claim 1, wherein the stabilizing component comprises a vacuum generator (21) and an air pipe, a through hole (22) is formed in the material receiving plate (2), a negative pressure cavity communicated with the through hole (22) is formed in the material receiving plate (2), and the vacuum generator (21) is communicated with the negative pressure cavity through the air pipe.

3. The flexible PCB raw material unreeling device according to claim 2, wherein two material reeling shafts (11) are respectively located at two sides of the material receiving plate (2) in a vertical direction, a splicing plate surface (23) provided with the through holes (22) of the material receiving plate (2) faces the outer side of the frame (1) and is obliquely arranged, two ends of the material receiving plate (2) along the raw material conveying direction are rotatably provided with transition shafts (25), and the raw materials are wound on the transition shafts (25); the splicing board surface (23) comprises a first splicing surface (231) and a pair of second splicing surfaces (232), wherein the second splicing surfaces (232) are respectively positioned at two ends of the first splicing surface (231) along the raw material conveying direction, the second splicing surfaces (232) are respectively used for placing two raw materials on the material winding shaft (11), and the first splicing surfaces (231) are used for bonding two gummed papers of the raw materials on the material winding shaft (11).

4. A flexible PCB raw material unreeling device according to claim 3, wherein the receiving plate (2) is slidably mounted on the frame (1), and the sliding direction of the receiving plate (2) is perpendicular to the raw material transporting direction on the receiving plate (2).

5. A flexible PCB raw material unreeling device according to claim 1, wherein the frame (1) is rotatably provided with a first limit roller (12) between the reeling shaft (11) and the production device (4), and the raw material is wound on the first limit roller (12); the frame (1) is in first spacing roller (12) one side is provided with drive frame (15), drive frame (15) are along being close to or keep away from first spacing roller (12) direction slip is installed second spacing roller (13), when needs change next roll raw materials, second spacing roller (13) towards being close to first spacing roller (12) direction slip and butt in the raw materials.

6. A flexible PCB raw material unreeling device according to claim 5, characterized in that the frame (1) is rotatably provided with a pair of film reeling rollers (14) between the production device (4) and the first limit roller (12), and the raw material comprises a film tearing section between the production device (4) and the first limit roller (12); the dyestripping section is followed frame (1) towards production facility (4) slope sets up, two roll up membrane roller (14) are located respectively the both sides of dyestripping section and set up from top to bottom along vertical direction, two roll up membrane roller (14) are used for around establishing the two-layer protection film of raw materials.

7. The flexible PCB raw material unreeling device according to claim 6, wherein a steering sensor, a controller and an alarm are arranged in the frame (1), the steering sensor is used for measuring rotating shaft steering data of the film reeling roller (14), and the controller is used for judging whether the rotating shaft steering of the film reeling roller (14) is changed or not according to the rotating shaft steering data when the steering sensor senses that the rotating shaft steering of the film reeling roller (14) is changed, and driving the alarm to alarm when the rotating shaft steering of the film reeling roller (14) is changed.

8. The flexible PCB board raw material unreeling device according to claim 4, wherein a mounting frame (24) is arranged on the splicing board surface (23), the mounting frame (24) is perpendicular to the splicing board (2), a detection component (5) is arranged on the mounting frame (24), the detection component (5) is used for detecting the flatness of a raw material incision placed in the splicing board surface (23), and a cutting component (6) used for trimming the detected raw material is further arranged on the mounting frame (24).

9. A flexible PCB raw material unreeling device according to claim 8, characterized in that the mounting frame (24) comprises a transverse frame (241) and a vertical frame (242), the vertical frame (242) is fixedly mounted on the receiving board (2); the transverse frame (241) is arranged on one side of the vertical frame (242) far away from the spliced plate surface (23); a moving cavity for moving the raw materials after the splicing is completed is formed between the transverse frame (241) and the vertical frame (242).

10. A flexible PCB raw material unreeling device according to claim 9, wherein the cutting assembly (6) comprises a moving block (61) and a cutting knife (62), the moving block (61) is slidably mounted on the transverse frame (241) along the direction approaching or separating from the raw material, and a first driving member (63) for driving the moving block (61) to slide is mounted on the mounting frame (24); the cutting knife (62) is fixedly arranged on one side, facing the outside of the material receiving plate (2), of the moving block (61), a guide surface is arranged on one side, close to the raw materials, of the moving block (61), and a receiving cavity (611) is arranged on one side, far away from the raw materials, of the moving block (61).