CN224068873U

CN224068873U - A servo cutting mechanism for FPC products

Info

Publication number: CN224068873U
Application number: CN202520172513.4U
Authority: CN
Inventors: 黄铭锋
Original assignee: Shenzhen Yafeiya Electronic Technology Co ltd
Current assignee: Shenzhen Yafeiya Electronic Technology Co ltd
Priority date: 2025-01-24
Filing date: 2025-01-24
Publication date: 2026-03-31
Anticipated expiration: 2035-01-24

Abstract

This utility model relates to the field of cutting mechanism technology and discloses a servo cutting mechanism for FPC products, including a feeding assembly and a support frame. The feeding assembly is bolted to one end of the support frame. A horizontal plate is fixedly connected to the top of the support frame. A straight groove is opened through the outer surface of the horizontal plate. A screw of a knob is slidably connected in the straight groove. A pressure plate is threaded to the bottom end of the screw of the knob. The feeding assembly includes a bracket bolted to one end of the support frame. A disc is fixedly connected to one end of the bracket. A sleeve is rotatably connected inside the disc. A turntable is fixedly connected to one end of the sleeve. In the processing of FPC products, the FPC roll is inserted into the sleeve. By rotating the handwheel, the double threaded rod is rotated, causing the conical cylinders to move away from the extrusion wedges. The wedges protrude from the rectangular hole and extrude into the inner wall of the FPC roll, achieving a firm fixation and facilitating subsequent feeding and cutting operations.

Description

Servo cutting mechanism for FPC (Flexible printed Circuit) product

Technical Field

The utility model relates to the technical field of cutting mechanisms, in particular to a servo cutting mechanism for FPC products.

Background

In the field of electronic device manufacturing, flexible printed circuit boards (FPCs) are widely used due to their flexible, small size, light weight, etc. characteristics. In the FPC production process, cutting work is an indispensable key process.

According to the search, chinese patent document, publication No. CN217967279U, discloses a servo cutting mechanism for FPC products. The scraper blade is also in the minimum point when it descends to the minimum point in the course of the work, at this moment the scraper blade is under the elasticity of shell fragment, make scraper blade forehead one end be close to the vitex ratchet all the time, and block the edge of vitex ratchet, when the cylinder rises, drive scraper blade one with rising, be convenient for cooperate through scraper blade one vitex ratchet and make the novel rotation of vitex ratchet, when the Z style connecting rod carries out the distance of a tooth of rotation of vitex ratchet, then the vitex ratchet rotates drive bevel gear one and rotates, in bevel gear two cooperation makes the threaded rod rotate, the cooperation of rethread thread slide rod and gag lever post makes the loading board descend, and then reach the product on the loading board and flush with the cushion all the time, and then prevent the product after cutting, can not take place the condition of deformation, this device has solved and has cut highly different between cutter head and the loading board, make the product can not take place to warp after cutting.

However, the cutting mechanism has certain defects in the actual use process, for example, the FPC board is conveyed only by the conveying roller in the cutting process, the FPC board has flexibility, the FPC board is conveyed only by the driving roller possibly to have the problem of warping, and the continuous feeding is inconvenient in the process.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a servo cutting mechanism for FPC products, which has the advantages of being convenient to feed, being capable of ensuring flatness in the cutting process of FPC boards and the like, and solves the technical problems.

(II) technical scheme

The servo cutting mechanism for the FPC product comprises a feeding component and a supporting frame, wherein the feeding component is connected to one end of the supporting frame through a bolt, the top of the supporting frame is fixedly connected with a transverse plate, the outer surface of the transverse plate is provided with a straight groove in a penetrating mode, a screw rod of a knob is connected in a sliding mode in the straight groove, and the bottom end of the screw rod of the knob is connected with a pressing plate in a threaded mode;

The feeding assembly comprises a bracket connected to one end of the supporting frame through a bolt, one end of the bracket is fixedly connected with a disc, the inside of the disc is rotationally connected with a sleeve, one end of the sleeve is fixedly connected with a rotary table, the center of the end face of the rotary table is fixedly connected with a sleeve, the inside of the sleeve is fixedly connected with a convex column, the inside of the convex column is rotationally connected with a double-threaded rod, the outer surface of the double-threaded rod is close to two ends, a conical column body is in threaded connection with the outer surface of the double-threaded rod, a pin shaft is connected with the inner surface of the sleeve, an ear block is rotationally connected with the outer surface of the pin shaft, a connecting plate is fixedly connected with a wedge block, and a rectangular hole is formed in the outer surface of the sleeve.

Preferably, one end of the double-threaded rod is fixedly connected with a hand wheel, and the outer surface of the conical cylinder is tightly attached to the two wedge blocks.

Preferably, the conical cylinder comprises two sliding rods arranged on the outer surface, a sliding groove is formed in the outer surface of the sleeve, the sliding rods are connected to the inner part of the sliding groove in a sliding mode, and a guide rod is fixedly connected to the outer surface of the bracket.

Preferably, the transverse plate and the pressing plate are both provided with two screws, and the upper surfaces of the two pressing plates are in threaded connection with the knob.

Preferably, the both sides of support frame are connected with the curb plate through the bolt, the surface of curb plate runs through and sets up perpendicular groove, perpendicular inslot rotation is connected with the pivot, the one end fixedly connected with compression roller of pivot, just the surface rotation of pivot is connected with the axle sleeve, the top surface rotation of axle sleeve is connected with the regulation pole.

Preferably, both ends of the compression roller are fixedly connected with rotating shafts, one end of one rotating shaft is fixedly connected with a friction wheel, the outer surface of the friction wheel is in friction contact with a meter wheel, and the center of the end face of the meter wheel is connected with an encoder.

Preferably, the portal frame is installed to the both sides of support frame, the cylinder is installed at the top of portal frame, the output shaft of cylinder has the cutter.

Compared with the prior art, the utility model provides a servo cutting mechanism for FPC products, which has the following beneficial effects:

1. In the utility model, when the FPC product is processed, the FPC winding drum is inserted into the sleeve, the double threaded rods are driven to rotate by rotating the hand wheels, so that the conical columns are mutually far away from the extrusion wedge blocks, the wedge blocks protrude out of the rectangular holes and extrude the inner wall of the FPC winding drum, so that firm fixation is realized, the subsequent feeding and cutting operation is convenient, meanwhile, the transverse plate and the pressing plate arranged at the top of the support frame can adjust the position of the pressing plate through the knob screw, and after the FPC board is arranged below the transverse plate, the pressing plate is adjusted to lightly press the FPC board, thereby effectively preventing the FPC board from wrinkling, bending and the like in the feeding process and ensuring the flatness of the FPC board.

2. According to the utility model, the motor drives the rotating shaft to drive the press roller to rotate, the FPC board is driven to move towards the cutter by utilizing friction force and is matched with the feeding component to realize automatic continuous feeding, the friction wheel connected with the rotating shaft at one end of the press roller can drive the meter wheel to rotate, the encoder can detect the rotation times of the meter wheel due to the fixed circumference of the meter wheel, the moving distance of the FPC board is accurately determined, and then the PLC can rapidly control the cylinder to drive the cutter to descend for cutting when the FPC board moves to a preset length by means of the connection of the encoder, so that the accurate fixed-length cutting of the FPC board is realized, and the product requirements of different lengths are met.

Drawings

FIG. 1 is a schematic perspective view of the structure of the present utility model;

FIG. 2 is a schematic perspective view of a feed assembly according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a feed assembly according to the present utility model;

FIG. 4 is a schematic front view of the press roll and other components of the present utility model;

Fig. 5 is an enlarged partial schematic view of fig. 1 a according to the present utility model.

The device comprises a feeding component, a bracket, 102, a disc, 103, a sleeve, 104, a turntable, 105, a sleeve, 106, a convex column, 107, a double-threaded rod, 108, a conical column, 109, a pin roll, 110, an ear block, 111, a connecting plate, 112, a wedge block, 113, a rectangular hole, 2, a supporting frame, 3, a transverse plate, 4, a straight slot, 5, a knob, 6, a pressing plate, 7, a hand wheel, 8, a chute, 9, a guide rod, 10, a side plate, 11, a rotating shaft, 12, a pressing roller, 13, a shaft sleeve, 14, an adjusting rod, 15, a friction wheel, 16, a metering wheel, 17, an encoder, 18, a portal frame, 19, a cylinder, 20 and a cutter.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, a servo cutting mechanism for FPC products comprises a feeding component 1 and a supporting frame 2, wherein the feeding component 1 is connected to one end of the supporting frame 2 through a bolt, a transverse plate 3 is fixedly connected to the top of the supporting frame 2, a straight groove 4 is formed in the outer surface of the transverse plate 3 in a penetrating manner, a screw rod connected with a knob 5 is in sliding connection with the straight groove 4, and a pressing plate 6 is in threaded connection with the bottom end of the screw rod of the knob 5;

The feeding assembly 1 comprises a bracket 101 connected to one end of a supporting frame 2 through bolts, one end of the bracket 101 is fixedly connected with a disc 102, the inside of the disc 102 is rotationally connected with a sleeve 103, one end of the sleeve 103 is fixedly connected with a rotary disc 104, the center of the end face of the rotary disc 104 is fixedly connected with a sleeve 105, the inside of the sleeve 105 is fixedly connected with a convex column 106, the inside of the convex column 106 is rotationally connected with a double-threaded rod 107, the outer surface of the double-threaded rod 107 is in threaded connection with a conical column 108 near two ends, the inside of the sleeve 105 is connected with a pin shaft 109, the outer surface of the pin shaft 109 is rotationally connected with an ear 110, the outer surface of the ear 110 is fixedly connected with a connecting plate 111, one end of the connecting plate 111 is fixedly connected with a wedge block 112, and the outer surface of the sleeve 105 is provided with a rectangular hole 113.

Specifically, one end of the double threaded rod 107 is fixedly connected with the hand wheel 7, the outer surface of the conical cylinder 108 is tightly attached to the two wedges 112, the conical cylinder 108 comprises two sliding rods arranged on the outer surface, the outer surface of the sleeve 105 is provided with the sliding groove 8, the sliding rods are slidably connected to the inside of the sliding groove 8, and the outer surface of the bracket 101 is fixedly connected with the guide rod 9. The advantage is that the FPC board adopts the reel rolling to get up in the extension in-process usually, then carries out subsequent work of cutting, through inserting the reel of FPC to sleeve 105's surface, then rotate hand wheel 7 and press sleeve 105's front end, hand wheel 7 can drive the rotation of double threaded rod 107, because the slide bar of conical cylinder 108 is spacing by spout 8, so double threaded rod 107 can drive two conical cylinders 108 and keep away from each other, so two conical cylinders 108 can extrude two voussoirs 112 rather than laminating, two voussoirs 112 can follow rectangular hole 113 protrusion like this, so can extrude the inner wall at the FPC reel, thereby reach the purpose of fixed FPC reel, carry out the feeding when convenient follow-up cutting.

Specifically, the transverse plate 3 and the pressing plate 6 are respectively provided with two screws, and the upper surfaces of the two pressing plates 6 are in threaded connection with the knob 5. The advantage is, makes it pass through the below of diaphragm 3 through pulling the winding FPC board on the FPC reel, then unscrews knob 5 makes clamp plate 6 portable for clamp plate 6 is located the top of FPC board, screws up knob 5 afterwards and makes clamp plate 6 can lightly press the FPC board, so can keep the FPC board level.

Specifically, the both sides of support frame 2 are connected with curb plate 10 through the bolt, and the surface of curb plate 10 runs through and sets up perpendicular groove, and perpendicular inslot swivelling joint has pivot 11, and the one end fixedly connected with compression roller 12 of pivot 11, and the surface rotation of pivot 11 is connected with axle sleeve 13, and the top surface rotation of axle sleeve 13 is connected with regulation pole 14. The advantage is, when the laminating of FPC board at the surface of compression roller 12, can drive pivot 11 through the motor and rotate, and then drive compression roller 12 and rotate, like this under frictional force effect, can drive the FPC board and remove towards the direction of cutter 20 after compression roller 12 rotates, the purpose of automatic feeding can be realized to cooperation pay-off subassembly 1 like this.

Specifically, both ends of compression roller 12 are all fixedly connected with pivot 11, and one end fixedly connected with friction wheel 15 of one of them pivot 11, the surface friction contact meter rice wheel 16 of friction wheel 15, the terminal surface center of meter rice wheel 16 is connected with encoder 17, and portal frame 18 is installed to the both sides of support frame 2, and cylinder 19 is installed at the top of portal frame 18, and the output shaft of cylinder 19 has cutter 20. The advantage is, can drive friction wheel 15 rotation after pivot 11 rotates, and friction wheel 15 drives meter rice wheel 16 rotation, because meter rice wheel 16's girth is a definite fixed value, and encoder 17 can detect meter rice wheel 16's pivoted number of times, so can confirm the distance that the FPC board removed, connect the PLC controller through encoder 17, and the controller of cylinder 19 is connected to the PLC controller, can be like this after the FPC board removes the length of settlement, the output of cylinder 19 is driven to the immediate control PLC controller cutter 20 decline, cutter 20 cuts off the FPC board.

When the flexible printed circuit board is used, a winding drum of the flexible printed circuit board is inserted into the outer surface of the sleeve 105, the hand wheel 7 is rotated and the front end of the sleeve 105 is pressed, the hand wheel 7 drives the double-threaded rod 107 to rotate, the two conical columns 108 are separated from each other, the extrusion wedge blocks 112 protrude out of the rectangular holes 113 to fix the flexible printed circuit board, then the flexible printed circuit board wound on the flexible printed circuit board passes through the lower part of the transverse board 3, the knob 5 is unscrewed, the pressing plate 6 is moved to the upper part of the flexible printed circuit board, the knob 5 is screwed again to enable the pressing plate 6 to keep flat, after the flexible printed circuit board is attached to the outer surface of the pressing roller 12, the motor drives the rotating shaft 11 to rotate to drive the pressing roller 12 to rotate, the flexible printed circuit board is driven to move towards the direction of the cutter 20 under the friction force to realize automatic feeding, the rotating shaft 11 drives the friction wheel 15 to rotate, the friction wheel 15 drives the meter wheel 16 to rotate, the encoder 17 detects the rotation times of the meter wheel 16 to determine the movement distance of the flexible printed circuit board, and after the flexible printed circuit board is moved to a set length, the output end of the PLC is controlled to drive the cutter 20 to descend to cut off the flexible printed circuit board.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The servo cutting mechanism for the FPC product comprises a feeding component (1) and a supporting frame (2) and is characterized in that the feeding component (1) is connected to one end of the supporting frame (2) through a bolt, a transverse plate (3) is fixedly connected to the top of the supporting frame (2), a straight groove (4) is formed in the outer surface of the transverse plate (3) in a penetrating mode, a screw rod of a knob (5) is connected in the straight groove (4) in a sliding mode, and a pressing plate (6) is connected to the bottom end of the screw rod of the knob (5) in a threaded mode;

Feeding subassembly (1) is including bracket (101) through bolted connection in support frame (2) one end, the one end fixedly connected with disc (102) of bracket (101), the inside rotation of disc (102) is connected with sleeve pipe (103), the one end fixedly connected with carousel (104) of sleeve pipe (103), the terminal surface center fixedly connected with sleeve (105) of carousel (104), the inside fixedly connected with projection (106) of sleeve (105), the inside rotation of projection (106) is connected with double threaded pole (107), the surface of double threaded pole (107) is close to the position threaded connection of both ends conical cylinder (108), the internal connection of sleeve (105) has round pin axle (109), the surface rotation of round pin axle (109) is connected with ear piece (110), the surface fixedly connected with link plate (111) of ear piece (110), the one end fixedly connected with voussoir (112) of link plate (111), rectangular hole (113) have been seted up to the surface of sleeve (105).

2. A servo cutting mechanism for FPC products according to claim 1, wherein one end of said double threaded rod (107) is fixedly connected with a hand wheel (7), and the outer surface of said tapered cylinder (108) is tightly attached to two wedges (112).

3. The servo cutting mechanism for FPC products according to claim 1, wherein the conical column (108) comprises two sliding rods arranged on the outer surface, the outer surface of the sleeve (105) is provided with a sliding groove (8), the sliding rods are connected inside the sliding groove (8) in a sliding manner, and the outer surface of the bracket (101) is fixedly connected with a guide rod (9).

4. A servo cutting mechanism for FPC products according to claim 1, wherein the transverse plate (3) and the pressing plate (6) are provided with two screws, and the upper surfaces of the two pressing plates (6) are connected with a knob (5) in a threaded manner.

5. The servo cutting mechanism for FPC products according to claim 1, wherein two sides of the supporting frame (2) are connected with side plates (10) through bolts, vertical grooves are formed in the outer surfaces of the side plates (10) in a penetrating mode, rotating shafts (11) are connected in the vertical grooves in a rotating mode, one ends of the rotating shafts (11) are fixedly connected with pressing rollers (12), shaft sleeves (13) are connected to the outer surfaces of the rotating shafts (11) in a rotating mode, and adjusting rods (14) are connected to the top surfaces of the shaft sleeves (13) in a rotating mode.

6. The servo cutting mechanism for FPC products according to claim 5, wherein two ends of the pressing roller (12) are fixedly connected with rotating shafts (11), one end of one rotating shaft (11) is fixedly connected with a friction wheel (15), the outer surface of the friction wheel (15) is in friction contact with a meter wheel (16), and the center of the end face of the meter wheel (16) is connected with an encoder (17).

7. A servo cutting mechanism for FPC products according to claim 1, wherein the two sides of the support frame (2) are provided with a portal frame (18), the top of the portal frame (18) is provided with a cylinder (19), and the output shaft of the cylinder (19) is connected with a cutter (20).