Servo cutting mechanism for FPC product

Abstract

The utility model relates to the technical field of cutting mechanisms, and discloses a servo cutting mechanism for FPC (flexible printed circuit) products, which comprises a feeding component and a support frame, the feeding component is connected to one end of the support frame through a bolt, the top of the support frame is fixedly connected with a transverse plate, the outer surface of the transverse plate is provided with a straight groove in a penetrating manner, and a screw of a knob is slidably connected in the straight groove. And 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 interior of the disc is rotationally connected with a sleeve, and one end of the sleeve is fixedly connected with a rotating disc. When an FPC product is processed, an FPC winding drum is inserted into the sleeve, the hand wheel is rotated to drive the double-threaded rod to rotate, the conical cylinders are made to be far away from each other to extrude the wedge block, the wedge block protrudes out of the rectangular hole and extrudes the inner wall of the FPC winding drum, firm fixing is achieved, and follow-up feeding and cutting operation is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to cutting mechanism technical field, concretely for a kind of servo cutting mechanism for FPC product. BACKGROUND

[0002] In the field of electronic equipment manufacturing, flexible printed circuit board (FPC) is widely used due to its bendable, small volume, light weight and other characteristics. In the FPC production process, cutting work is an indispensable key process.

[0003] According to the search, Chinese patent literature, publication number: CN217967279U, discloses a kind of servo cutting mechanism for FPC product. When cutting knife drops to the lowest point in its working process, the scraper is also at the lowest point at this time, at this time, the scraper is always close to the thorn wheel under the elastic force of the spring, and the edge of the thorn wheel is clamped, when the air cylinder rises, the scraper is driven to rise by Z-shaped connecting rod, the thorn wheel is conveniently matched by the scraper, so that the thorn wheel rotates, when Z-shaped connecting rod carries out once up and down movement, then drive the thorn wheel to rotate the distance of a tooth, the bevel gear one is driven to rotate by the rotation of the thorn wheel, and the screw rod is driven to rotate by the cooperation of the bevel gear two, the cooperation of the threaded slide post and the limiting rod makes the bearing plate descend, so that the product on the bearing plate is always flush with the cushion block, thereby preventing the product from deforming after cutting. This device solves the problem of different heights between the cutting knife head and the bearing plate, so that the product does not deform after cutting.

[0004] However, the above cutting mechanism still has some defects in actual use, for example, only relying on the conveying roller to convey the FPC plate during cutting, as the FPC plate is flexible, there may be a problem of warping when conveying it only by the transmission roller, and it is not convenient to continuously feed during the process. UTILITY MODEL CONTENTS

[0005] (I) Technical problem solved

[0006] In view of the shortcomings of the prior art, the utility model provides a servo cutting mechanism for FPC product, which has the advantages of convenient feeding and ensuring the flatness of FPC plate during cutting, and solves the above technical problems.

[0007] (II) Technical scheme

[0008] In order to achieve the above object, the utility model provides the following technical scheme: a kind of servo cutting mechanism for FPC product, including feeding assembly and support frame, the feeding assembly is connected by bolt in one end of support frame, the top of support frame is fixedly connected with horizontal plate, the outer surface of horizontal plate is penetrated and is equipped with straight groove, the screw rod of knob is slidably connected in straight groove, the screw rod bottom end of knob is equipped with pressing plate with screw thread connection;

[0009] The feeding assembly includes a bracket connected by bolts to one end of the support frame, one end of the bracket is fixedly connected with a disc, the inside of the disc is rotatably connected with a sleeve, one end of the sleeve is fixedly connected with a turntable, the end surface center of the turntable 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 rotatably connected with a double-threaded rod, the outer surface of the double-threaded rod is threadedly connected with a conical column near both ends, the inside of the sleeve is connected with a pin shaft, the outer surface of the pin shaft is rotatably connected with an ear block, the outer surface of the ear block is fixedly connected with a connecting plate, one end of the connecting plate is fixedly connected with a wedge block, and a rectangular hole is formed in the outer surface of the sleeve.

[0010] Preferably, one end of the double-threaded rod is fixedly connected with a hand wheel, and the outer surface of the conical column is in close contact with the two wedge blocks.

[0011] Preferably, the conical column includes two slide rods arranged on the outer surface, the outer surface of the sleeve is provided with a sliding groove, the slide rods are slidably connected in the inside of the sliding groove, and the outer surface of the bracket is fixedly connected with a guide rod.

[0012] Preferably, the horizontal plate and the pressing plate are both provided with two, and the upper surfaces of the two pressing plates are threadedly connected with the screw rods of the knobs.

[0013] Preferably, the support frame is provided with side plates on both sides through bolts, vertical grooves are formed in the outer surfaces of the side plates, rotating shafts are rotatably connected in the vertical grooves, pressing rollers are fixedly connected to one end of the rotating shafts, shaft sleeves are rotatably connected to the outer surfaces of the rotating shafts, and adjusting rods are rotatably connected to the top surfaces of the shaft sleeves.

[0014] Preferably, the pressing rollers are both fixedly connected with rotating shafts, one end of one of the rotating shafts is fixedly connected with a friction wheel, the outer surface of the friction wheel is in frictional contact with a counting wheel, and the end surface center of the counting wheel is connected with an encoder.

[0015] Preferably, portal frames are installed on both sides of the support frame, air cylinders are installed on the top of the portal frames, and cutting knives are connected to the output shafts of the air cylinders.

[0016] Compared with the prior art, the utility model provides a servo cutting mechanism for FPC product, which has the following beneficial effects:

[0017] 1. The utility model discloses a FPC product processing, insert the sleeve of FPC reel, drive the double -threaded rod rotation through the hand wheel, make conical cylinder each other away extrude wedge, and the wedge projects from the rectangular hole and extrudes FPC reel inner wall, realize firm fixed, facilitate subsequent feeding cutting operation, simultaneously, the horizontal board of setting at the top of support frame and the pressing plate, through knob screw rod can adjust the pressing plate position, after FPC board is placed below the horizontal board, adjust the pressing plate light pressure FPC board, can effectively prevent FPC board in the feeding process and appear wrinkle, bending etc. Condition, ensure its flatness.

[0018] 2. The utility model discloses a motor drive rotating shaft drive pressure roller rotation, utilize friction and make FPC board move to cutter direction, cooperate and realize automatic continuous feeding of feeding assembly, and, the friction wheel connected with one end rotating shaft of pressure roller can drive metering wheel rotation, because the perimeter of metering wheel is fixed, the rotation number of encoder can be detected, and then accurate determination FPC board moving distance, again with the connection of encoder and PLC controller and cylinder controller, when FPC board moves to the preset length, the PLC controller can control cylinder rapidly and drive cutter to descend and cut, realize accurate length cutting of FPC board, satisfy different length specification product demand. ACCURACY

[0019] Figure 1 It is the three -dimensional schematic view of the utility model structure;

[0020] Figure 2 It is the three -dimensional schematic view of feeding assembly in the utility model;

[0021] Figure 3 It is the cross section schematic view of feeding assembly in the utility model;

[0022] Figure 4 It is the front schematic view of pressure roller and other components in the utility model;

[0023] Figure 5 It is the utility model Figure 1 the local enlarged schematic view of A.

[0024] 1, feeding assembly;101, bracket;102, disc;103, sleeve;104, carousel;105, sleeve;106, convex column;107, double -threaded rod;108, conical cylinder;109, pin shaft;110, ear block;111, connecting plate;112, wedge;113, rectangular hole;2, support frame;3, horizontal board;4, straight slot;5, knob;6, pressing plate;7, hand wheel;8, sliding slot;9, guide rod;10, side plate;11, rotating shaft;12, pressure roller;13, shaft sleeve;14, adjusting rod;15, friction wheel;16, metering wheel;17, encoder;18, gantry;19, cylinder;20, cutter. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0026] Please refer to Figures 1-5 A servo cutting mechanism for FPC products, including feeding assembly 1 and support frame 2, feeding assembly 1 is connected by bolt on one end of support frame 2, the top of support frame 2 is fixedly connected with horizontal plate 3, the outer surface of horizontal plate 3 is provided with straight groove 4, the screw rod of knob 5 is slidably connected in straight groove 4, the screw rod bottom end of knob 5 is threadedly connected with pressing plate 6.

[0027] Feeding assembly 1 includes bracket 101 connected by bolt on one end of support frame 2, one end of bracket 101 is fixedly connected with disc 102, disc 102 is rotatably connected with sleeve 103 in the inside, one end of sleeve 103 is fixedly connected with rotating disc 104, the end surface center of rotating disc 104 is fixedly connected with sleeve 105, sleeve 105 is fixedly connected with convex column 106 in the inside, convex column 106 is rotatably connected with double thread rod 107 in the inside, the outer surface of double thread rod 107 is threadedly connected with conical cylinder 108 near both ends, the inside of sleeve 105 is connected with pin shaft 109, the outer surface of pin shaft 109 is rotatably connected with ear block 110, the outer surface of ear block 110 is fixedly connected with connecting plate 111, one end of connecting plate 111 is fixedly connected with wedge block 112, the outer surface of sleeve 105 is provided with rectangular hole 113.

[0028] Specifically, one end of double thread rod 107 is fixedly connected with hand wheel 7, the outer surface of conical cylinder 108 is close to two wedge blocks 112, conical cylinder 108 includes two slide rods arranged on the outer surface, the outer surface of sleeve 105 is provided with sliding slot 8, the slide rod is slidably connected in the inside of sliding slot 8, the outer surface of bracket 101 is fixedly connected with guide rod 9. Advantage is that FPC board is usually wound up by winding drum during elongation, and then subsequent cutting work is carried out, by inserting the winding drum of FPC into the outer surface of sleeve 105, then rotating hand wheel 7 and pressing the front end of sleeve 105, hand wheel 7 will drive double thread rod 107 to rotate, since the slide rods of conical cylinder 108 are limited by sliding slot 8, so double thread rod 107 can drive two conical cylinders 108 to move away from each other, so two conical cylinders 108 will extrude two wedge blocks 112 close to them, so two wedge blocks 112 will protrude from rectangular hole 113, so it can extrude the inner wall of FPC winding drum, so as to achieve the purpose of fixing FPC winding drum, and facilitate feeding during subsequent cutting.

[0029] Specifically, the cross plate 3 and the pressing plate 6 are both provided with two, the upper surface of the two pressing plates 6 is threadedly connected with the screw rod of the knob 5. The advantage is that the FPC plate wound on the FPC reel is pulled to pass below the cross plate 3, then the knob 5 is loosened so that the pressing plate 6 can be moved, so that the pressing plate 6 is located above the FPC plate, then the knob 5 is tightened so that the pressing plate 6 can lightly press the FPC plate, so that the FPC plate can be kept flat.

[0030] Specifically, the two sides of the support frame 2 are connected with the side plate 10 through bolts, the outer surface of the side plate 10 is provided with a vertical slot, the vertical slot is rotatably connected with the rotating shaft 11, one end of the rotating shaft 11 is fixedly connected with the compression roller 12, and the outer surface of the rotating shaft 11 is rotatably connected with the shaft sleeve 13, and the top surface of the shaft sleeve 13 is rotatably connected with the adjusting rod 14. The advantage is that when the FPC plate is attached to the outer surface of the compression roller 12, the rotating shaft 11 can be driven to rotate by the motor, thereby driving the compression roller 12 to rotate, so that the FPC plate can be moved towards the cutter 20 under the action of friction when the compression roller 12 rotates, so that the feeding assembly 1 can realize the purpose of automatic feeding.

[0031] Specifically, the two ends of the compression roller 12 are fixedly connected with the rotating shaft 11, one end of one of the rotating shafts 11 is fixedly connected with the friction wheel 15, the outer surface of the friction wheel 15 is frictionally connected with the metering wheel 16, the end surface of the metering wheel 16 is connected with the encoder 17, the two sides of the support frame 2 are provided with the gantry 18, the top of the gantry 18 is provided with the air cylinder 19, and the output shaft of the air cylinder 19 is connected with the cutter 20. The advantage is that when the rotating shaft 11 rotates, the friction wheel 15 rotates, the friction wheel 15 drives the metering wheel 16 to rotate, since the circumference of the metering wheel 16 is a fixed value, and the encoder 17 can detect the number of rotations of the metering wheel 16, so that the distance of the FPC plate movement can be determined, the encoder 17 is connected with the PLC controller, and the PLC controller is connected with the controller of the air cylinder 19, so that when the FPC plate moves to a set length, the PLC controller immediately controls the output end of the air cylinder 19 to drive the cutter 20 to descend, and the cutter 20 cuts off the FPC plate.

[0032] In use, the reel of FPC 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 held, the hand wheel 7 drives the double-threaded rod 107 to rotate, the two conical cylinders 108 are away from each other, the wedge 112 is extruded from the rectangular hole 113, and the reel of FPC is fixed; then the FPC plate wound on the reel of FPC is pulled to pass below the cross plate 3, the knob 5 is loosened to move the pressing plate 6 above the FPC plate, and then the knob 5 is tightened to make the pressing plate 6 lightly press the FPC plate to keep it flat; when the FPC plate is attached to the outer surface of the compression roller 12, the motor drives the rotating shaft 11 to rotate to drive the compression roller 12 to rotate, and under the action of friction, the FPC plate is moved to the direction of the cutter 20 to realize automatic feeding; the rotating shaft 11 drives the friction wheel 15 to rotate, the friction wheel 15 drives the metering wheel 16 to rotate, the encoder 17 detects the number of rotations of the metering wheel 16 to determine the moving distance of the FPC plate, and when the FPC plate is moved to the set length, the PLC controller controls the output end of the air cylinder 19 to drive the cutter 20 to descend to cut the FPC plate.

[0033] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A servo cutting mechanism for FPC products, comprising a feeding assembly (1) and a support frame (2), characterized in that: The feeding assembly (1) is bolted to one end of the support frame (2), the top of the support frame (2) is fixedly connected with a horizontal plate (3), a straight groove (4) is formed through the outer surface of the horizontal plate (3), a screw rod of a knob (5) is slidably connected in the straight groove (4), and the bottom end of the screw rod of the knob (5) is threadedly connected with a pressing plate (6). The feeding assembly (1) comprises a bracket (101) bolted to one end of the support frame (2), one end of the bracket (101) is fixedly connected with a disc (102), the disc (102) is rotatably connected with a sleeve (103) in the inside, one end of the sleeve (103) is fixedly connected with a rotating disc (104), the end surface of the rotating disc (104) is fixedly connected with a sleeve (105) at the center, the sleeve (105) is fixedly connected with a convex column (106) in the inside, the convex column (106) is rotatably connected with a double-threaded rod (107) in the inside, the outer surface of the double-threaded rod (107) is threadedly connected with a conical column (108) near both ends, the inside of the sleeve (105) is connected with a pin shaft (109), the outer surface of the pin shaft (109) is rotatably connected with an ear block (110), the outer surface of the ear block (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).

2. The servo cutting mechanism for FPC products according to claim 1, characterized in that: One end of the double-threaded rod (107) is fixedly connected with a hand wheel (7), and the outer surface of the conical column (108) is closely attached to the two wedge blocks (112).

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

4. The servo cutting mechanism for FPC products according to claim 1, wherein: The horizontal plate (3) and the pressing plate (6) are both provided with two, and the upper surfaces of the two pressing plates (6) are threadedly connected with the screw rods of the knobs (5).

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

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

7. The servo cutting mechanism for FPC products according to claim 1, wherein: Both sides of the support frame (2) are provided with gantry frames (18), the top of each gantry frame (18) is provided with an air cylinder (19), and the output shaft of the air cylinder (19) is connected with a cutter (20).

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