Unidirectional prepreg sheet collecting and cutting machine

Abstract

The utility model discloses a one-way pre-impregnated sheet collecting and cutting machine which comprises a machine frame, a first-stage lifting storage unit, a second-stage lifting storage unit and a lifting frame which is arranged in the middle of the first-stage lifting storage unit and the middle of the second-stage lifting storage unit respectively. The traction device comprises a traction frame, an upper compression roller, a lower compression roller and a rotation driving part, the upper compression roller and the lower compression roller are symmetrically arranged in the height direction of the traction frame, the upper compression roller and the lower compression roller extend in the width direction of the rack, the upper compression roller and the lower compression roller are in meshing transmission, and the rotation driving part drives the upper compression roller and the lower compression roller to rotate relatively. When the lifting frame descends, the coiled materials in the unwinding device can be rapidly drawn out, and the subsequent slitting efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a material receiving device, in particular to a unidirectional prepreg sheet material receiving and cutting machine. Background Art

[0002] Unidirectional prepreg sheet refers to a strip-shaped prepreg made of parallel continuous fibers or unidirectional fabrics impregnated with resin. Due to its good performance, it is widely used in aerospace and various fields.

[0003] In the prior art, the invention patent with application number "202310782265.0" discloses a fiber-reinforced thermoplastic unidirectional prepreg tape production line and a production method thereof, which realizes the winding of the material through a winding roller. Although the coiled material has the advantage of convenient material winding, in actual conditions, the product needs to be cut into sheets. The slitting device in the prior art realizes the movement of the material through the friction between the traction rollers. The slitting interval is long and the slitting speed is slow. Utility Model Content

[0004] The utility model aims to provide a unidirectional prepreg sheet material collecting and cutting machine, which has the advantage of fast cutting speed.

[0005] The above technical purpose of the utility model is achieved through the following technical solutions: a unidirectional prepreg sheet material collecting and cutting machine, including a frame, and also including

[0006] A first-level lifting storage unit includes a first frame, a feed roller and a front discharge roller, wherein the feed roller is arranged at the inlet of the first frame, and the front discharge roller is arranged at the outlet of the first frame;

[0007] A secondary lifting storage unit comprises a second frame and a rear discharge roller, wherein the rear discharge roller is arranged at the outlet of the second frame;

[0008] Lifting racks are respectively arranged in the middle of the primary lifting storage unit and the secondary lifting storage unit, and the middle of the primary lifting storage unit and the secondary lifting storage unit are provided with lifting units for driving the lifting racks to move up and down in the height direction of the primary lifting storage unit and the secondary lifting storage unit;

[0009] A traction device, the traction device is arranged between the primary lifting storage unit and the secondary lifting storage unit, and the traction device is also arranged between the secondary lifting storage unit and the cutting device, comprising a traction frame, an upper pressing roller, a lower pressing roller and a rotation driving unit, the upper pressing roller and the lower pressing roller are symmetrically arranged in the height direction of the traction frame, the upper pressing roller and the lower pressing roller extend in the width direction of the frame, the upper pressing roller and the lower pressing roller are meshed for transmission, and the rotation driving unit drives the upper pressing roller and the lower pressing roller to rotate relative to each other;

[0010] The cutting device comprises a sub-frame, a cutting drive unit and a cutting knife, wherein the sub-frame is arranged at the end of the second frame in the length direction, the cutting knife extends along the width direction of the frame, and the cutting drive unit drives the cutting knife to rise and fall along the height direction of the sub-frame.

[0011] Preferably, the lifting frame includes a connecting rod, which extends along the length direction of the frame. The connecting rod is symmetrically arranged in the width direction of the frame. A rotating shaft is rotatably connected between adjacent connecting rods. At least one rotating shaft is arranged at each end of the same connecting rod in the length direction. The driving end of the lifting unit is connected to the connecting rod.

[0012] Preferably, the lifting unit is a cylinder, a piston rod of the cylinder is connected to a connecting rod, and a shell of the cylinder is respectively arranged on the first frame and the second frame.

[0013] By adopting the above technical solution, the overall lifting of the lifting frame is driven.

[0014] Preferably, a rotating roller is rotatably connected to the middle of the top of the first frame, and the rotating roller extends along the width direction of the frame. A damping device is provided on the connecting rod.

[0015] By adopting the above technical solution, when the coil is quickly pressed downward and drawn out, the rotating roller plays a role in increasing the storage length of the coil in the frame, and the damping device plays a buffering role in the lifting process of the lifting frame.

[0016] Preferably, the damping device includes a guide rod, a spring and a guide seat, the guide rod extends along the height direction of the frame, and limit seats are arranged at both ends of the guide rod in the height direction. The guide seat is slidably connected to the guide rod, the guide seat is fixedly connected to the connecting rod, and the spring is arranged between the limit seat and the guide seat.

[0017] By adopting the above technical solution, when the cylinder pushes the lifting frame to move up and down, the damping device provides a damping force, which plays a buffering role in the lifting of the lifting frame.

[0018] Preferably, the second frame is rotatably connected to horizontal rollers on both sides of the traction device, and the top of the horizontal roller is flush with the top of the lower pressure roller.

[0019] By adopting the above technical solution, it is convenient for the traction device to press and drive the coiled material, and the downward force on the lower pressure roller of the traction device is reduced.

[0020] Preferably, a sliding groove is provided inside the traction frame, sliding blocks are provided on both sides of the upper pressure roller, the sliding blocks are slidingly connected in the height direction of the sliding groove, a compression spring is provided between the sliding block and the top of the sliding groove, the sliding block is rotatably connected with the upper limiting shaft, the traction frame is provided with a limiting block, one end of the limiting shaft is rotatably connected to the sliding block, the other end of the limiting shaft is provided with a handle, and the middle part of the limiting shaft is provided with a concave surface cooperating with the limiting block.

[0021] By adopting the above technical solution, the handle is turned to make the concave surface cooperate with the limit block, so that the upper pressure roller and the lower pressure roller are close to each other, and the handle is reversed to make the concave surface disengage from the limit block, so that the upper pressure roller and the lower pressure roller are separated.

[0022] Preferably, the cutting drive unit includes a cutting motor, a first sprocket, a second sprocket, a cam and a linkage shaft, the cutting motor is connected to and drives the first sprocket, the first sprocket is transmitted to the second sprocket, the cam is concentrically arranged and connected to the second sprocket, the bottom of the linkage shaft is eccentrically connected to the cam, and the top of the linkage shaft is rotationally connected to one side of the cutting knife in the width direction.

[0023] By adopting the above technical solution, the cutting motor is activated, the first sprocket and the second sprocket are driven through the transmission chain, and under the action of the cam, the linkage shaft is lifted and lowered in the height direction, thereby driving the cutting knife to lift and lower, and driving the cutting knife to cut the coil to form a sheet.

[0024] Preferably, both ends of the upper pressing roller and the lower pressing roller in the length direction are meshed, and a synchronous belt is provided between the rotation driving part and the lower pressing roller.

[0025] By adopting the above technical scheme, the upper and lower pressure rollers of the synchronous belt and meshing transmission are driven to rotate by the rotating drive unit, so that the coil is continuously moved forward. At the same time, when the rotating drive unit stops, it can provide a pressing force on the coil, which is convenient for the lifting frame to press down the coil and enable the unwinding machine at the rear to discharge the material.

[0026] To summarize, through the asynchronous lifting of the first-level lifting storage unit and the lifting frame in the second-level lifting storage unit, the lifting frame plays the role of storing coils during the lifting process. At the same time, the traction device between the first-level lifting storage unit and the second-level lifting storage unit prevents the coils on the two lifting frames from interfering with each other. When the traction device separates the first-level lifting storage unit, the lifting frame therein descends, so that the coils in the unwinding device can be quickly drawn out, thereby improving efficiency. At the same time, when the lifting frame in the second-level lifting storage unit rises, the traction device at the rear continuously transports the coils backwards, and cuts them through the cutting device. The overall cutting process has high cutting efficiency, and the coils can be cut into sheets at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is one side of the schematic diagram of the structure of the embodiment;

[0028] Figure 2 yes Figure 1 An enlarged schematic diagram of part A is shown;

[0029] Figure 3 yes Figure 1 The enlarged schematic diagram of part B is shown;

[0030] Figure 4 yes Figure 1 The enlarged schematic diagram of part C is shown;

[0031] Figure 5 is the other side of the schematic diagram of the structure of the embodiment;

[0032] In the figure, 1, a first-level lifting storage unit; 11, a first frame; 12, a rotating roller; 13, a feed roller; 14, a front discharge roller; 2, a second-level lifting storage unit; 21, a second frame; 22, a rear discharge roller; 3, a lifting frame; 31, a lifting unit; 32, a connecting rod; 33, a rotating shaft; 34, a guide rod; 35, a spring; 36, a guide seat; 37, a limit seat; 4, a traction device; 41, a traction frame; 42, an upper pressure roller; 43, a lower pressure roller; 44, a rotating drive unit; 45, a horizontal roller; 5, a cutting device; 51, a sub-frame; 52, a cutting knife; 53, a cutting motor; 54, a first sprocket; 55, a second sprocket; 56, a cam; 57, a linkage shaft; 6, a sliding groove; 61, a sliding block; 62, a compression spring; 63, a limit shaft; 64, a limit block; 65, a handle; 66, a concave surface. DETAILED DESCRIPTION

[0033] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0034] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

[0035] Example:

[0036] like Figures 1 to 5 As shown, a unidirectional prepreg sheet material collecting and cutting machine includes a frame, which includes three sections: front, middle and rear. The front section is a first-level lifting storage unit 1, the middle section is a second-level lifting storage unit 2, and the rear section is a sub-frame 51. The three sections can be connected into one.

[0037] like Figure 1 and Figure 5As shown, the first-level lifting storage unit 1 includes a first frame 11, a feed roller 13 and a front discharge roller 14, the feed roller 13 is arranged at the entrance of the first frame 11, the front discharge roller 14 is arranged at the exit of the first frame 11, and a lifting frame 3 is arranged in the first frame 11. The lifting frame 3 is arranged in the middle section of the length direction of the first frame 11, and the lifting frame 3 is lifted and lowered in the height direction of the first frame 11 by a lifting unit 31; the second-level lifting storage unit 2 includes a second frame 21 and a rear discharge roller 22, and the rear discharge roller 22 is arranged at the exit of the second frame 21.

[0038] The lifting frame 3 includes a connecting rod 32, which extends along the length direction of the frame. Two connecting rods 32 are symmetrically arranged in the width direction of the frame. A rotating shaft 33 is rotatably connected between adjacent connecting rods 32. At least one rotating shaft 33 is arranged at both ends of the same connecting rod 32 in the length direction. In this embodiment, one rotating shaft 33 is arranged at each end in the length direction. The driving end of the lifting unit 31 is connected to the connecting rod 32, wherein the lifting unit 31 is a cylinder, and two cylinders are symmetrically arranged. The piston rod of the cylinder is rotatably connected to the middle section of the connecting rod 32, and the shell of the cylinder is connected to the middle section of the length direction of the first frame 11.

[0039] like Figure 1 As shown, in order to make the first frame 11 have a larger coil holding capacity than the second frame 21, the middle of the top of the first frame 11 is rotatably connected with a rotating roller 12, and the rotating roller 12 extends along the width direction of the frame. A damping device is provided on the connecting rod 32, and the damping device plays a buffering role in the lifting process, as shown in FIG. Figure 3 As shown, the damping device includes a guide rod 34, a spring 35 and a guide seat 36. The guide rod 34 extends along the height direction of the frame. Limit seats 37 are arranged at both ends of the guide rod 34 in the height direction. The guide seat 36 is slidably connected to the guide rod 34. The guide seat 36 is fixedly connected to the connecting rod 32. The spring 35 is arranged between the limit seat 37 and the guide seat 36.

[0040] At the same time, the lifting frame 3 , the driving unit and the damping device are also arranged at the same position on the second frame body 21 , and the housing of the cylinder is also arranged in the middle section of the second frame body 21 .

[0041] The traction device 4 is arranged between the first-level lifting storage unit 1 and the second-level lifting storage unit 2. The traction device 4 is also arranged between the second-level lifting storage unit 2 and the cutting device 5. The traction device 4 includes a traction frame 41, an upper pressure roller 42, a lower pressure roller 43 and a rotating drive unit 44. The upper pressure roller 42 and the lower pressure roller 43 are symmetrically arranged in the height direction of the traction frame 41. The upper pressure roller 42 and the lower pressure roller 43 extend along the width direction of the frame. Gears are arranged at both ends of the length direction of the upper pressure roller 42 and the lower pressure roller 43. The gears are meshed for transmission. The ends of the length direction of the upper pressure roller 42 and the lower pressure roller 43 are meshed. A synchronous belt is arranged between the rotating drive unit 44 and the lower pressure roller 43, and then the rotating drive unit 44 drives the upper pressure roller 42 and the lower pressure roller 43 to rotate relative to each other. The rotating drive unit 44 is a motor, and the motor drives the synchronous belt to control the rotation of the lower pressure roller 43.

[0042] like Figure 2 As shown, a sliding groove 6 is provided inside the traction frame 41, and sliding blocks 61 are provided on both sides of the upper pressure roller 42. The sliding block 61 is slidingly connected in the height direction of the sliding groove 6, and a compression spring 62 is provided between the sliding block 61 and the top of the sliding groove 6. The sliding block 61 is rotatably connected with the upper limiting shaft 63, and a limiting block 64 is provided on the traction frame 41. One end of the limiting shaft 63 is rotatably connected to the sliding block 61, and a handle 65 is provided at the other end of the limiting shaft 63. A concave surface 66 cooperating with the limiting block 64 is provided in the middle of the limiting shaft 63, and the concave surface 66 is lower than the circumferential surface of the limiting shaft 63.

[0043] In order to prevent the lower pressure roller 43 from being subjected to excessive downward force, the second frame 21 is rotatably connected with horizontal rollers 45 on both sides of the traction device 4 , and the top of the horizontal roller 45 is flush with the top of the lower pressure roller 43 .

[0044] like Figure 4 and Figure 5 As shown, the cutting device 5 includes a sub-frame 51, a cutting drive unit and a cutting knife 52. The sub-frame 51 is arranged at the end of the second frame 21 in the length direction, and the cutting knife 52 extends along the width direction of the frame. The cutting drive unit drives the cutting knife 52 to rise and fall along the height direction of the sub-frame 51. The specific structure is that the cutting drive unit includes a cutting motor 53, a first sprocket 54, a second sprocket 55, a cam 56 and a linkage shaft 57. The cutting motor 53 is connected to and drives the first sprocket 54, the first sprocket 54 and the second sprocket 55 are driven, the cam 56 and the second sprocket 55 are concentrically arranged and connected, the bottom of the linkage shaft 57 is eccentrically connected to the cam 56 for rotation, and the top of the linkage shaft 57 is rotationally connected to one side of the cutting knife 52 in the width direction.

[0045] Working principle:

[0046] By rotating the handle 65, the upper pressing roller 42 is lifted upward, the coil passes through, and then fixed between the upper pressing roller 42 and the lower pressing roller 43 at the rear, and then the handle 65 is turned to move the upper pressing roller 42 downward in the sliding groove 6, and then the front traction frame 41 stops moving, and the lifting frame 3 in the first-level lifting storage unit 1 moves downward to store the coil in the first-level lifting storage unit, and then the front traction frame 41 works, and the upper pressing roller 42 and the lower pressing roller 43 convey the coil forward, and at the same time, the lifting frame 3 in the second-level lifting storage unit 2 It moves downward to store the coiled material in the secondary lifting storage unit 2. At the same time, the lifting frame 3 in the primary lifting storage unit rises. When the lifting frame 3 in the secondary lifting storage unit 2 rises, the traction frame 41 at the rear works to transport the coiled material outward. When it is transported to a suitable size, the cutting motor 53 is activated to control the linkage shaft 57 to move downward to cut the coiled material into sheets. Then the traction device 4 at the rear stops working, and the lifting frames 3 in the primary lifting storage unit 1 and the secondary lifting storage unit 2 rise and fall asynchronously to control the feeding of the coiled material.

Claims

1. A unidirectional prepreg sheet collecting and cutting machine, comprising a frame, characterized in that: It also comprises a first-stage lifting storage unit (1), comprising a first frame (11), a feed roller (13) and a front discharge roller (14), wherein the feed roller (13) is arranged at the entrance of the first frame (11), and the front discharge roller (14) is arranged at the exit of the first frame (11); A secondary lifting storage unit (2) comprises a second frame (21) and a rear discharge roller (22), wherein the rear discharge roller (22) is arranged at the exit of the second frame (21); The lifting frames (3) are respectively arranged in the middle of the first lifting storage unit (1) and the second lifting storage unit (2); the first lifting storage unit (1) and the second lifting storage unit (2) are provided with lifting units (31) in the middle of the first lifting storage unit (1) and the second lifting storage unit (2) for driving the lifting frames (3) to move up and down in the height direction of the first lifting storage unit (1) and the second lifting storage unit (2); A traction device (4), the traction device (4) is arranged between the first lifting storage unit (1) and the second lifting storage unit (2), and the traction device (4) is also arranged between the second lifting storage unit (2) and the cutting device (5), comprising a traction frame (41), an upper pressing roller (42), a lower pressing roller (43) and a rotation driving unit (44), the upper pressing roller (42) and the lower pressing roller (43) are symmetrically arranged in the height direction of the traction frame (41), the upper pressing roller (42) and the lower pressing roller (43) extend in the width direction of the frame, the upper pressing roller (42) and the lower pressing roller (43) are meshed for transmission, and the rotation driving unit (44) drives the upper pressing roller (42) and the lower pressing roller (43) to rotate relative to each other; The cutting device (5) comprises a sub-frame (51), a cutting drive unit and a cutting knife (52), wherein the sub-frame (51) is arranged at the end of the second frame (21) in the length direction, the cutting knife (52) extends along the width direction of the frame, and the cutting drive unit drives the cutting knife (52) to rise and fall along the height direction of the sub-frame (51).

2. The unidirectional prepreg sheet collecting and cutting machine according to claim 1, characterized in that: The lifting frame (3) comprises a connecting rod (32), the connecting rod (32) extending along the length direction of the frame, the connecting rod (32) being symmetrically arranged in the width direction of the frame, a rotating shaft (33) being rotatably connected between adjacent connecting rods (32), at least one rotating shaft (33) being arranged at each end of the same connecting rod (32) in the length direction, and a driving end of the lifting unit (31) being connected to the connecting rod (32).

3. The unidirectional prepreg sheet collecting and cutting machine according to claim 2, characterized in that: The lifting unit (31) is a cylinder, the piston rod of the cylinder is connected to the connecting rod (32), and the shell of the cylinder is respectively arranged on the first frame (11) and the second frame (21).

4. The unidirectional prepreg sheet collecting and cutting machine according to claim 3, characterized in that: A rotating roller (12) is rotatably connected to the middle of the top of the first frame (11), and the rotating roller (12) extends along the width direction of the frame. A damping device is arranged on the connecting rod (32).

5. The unidirectional prepreg sheet collecting and cutting machine according to claim 4, characterized in that: The damping device comprises a guide rod (34), a spring (35) and a guide seat (36); the guide rod (34) extends in the height direction of the frame; limit seats (37) are arranged at both ends of the guide rod (34) in the height direction; the guide seat (36) is slidably connected to the guide rod (34); the guide seat (36) is fixedly connected to the connecting rod (32); and the spring (35) is arranged between the limit seat (37) and the guide seat (36).

6. The unidirectional prepreg sheet collecting and cutting machine according to claim 1, characterized in that: The second frame (21) is rotatably connected to horizontal rollers (45) on both sides of the traction device (4), and the top of the horizontal roller (45) is flush with the top of the lower pressure roller (43).

7. The unidirectional prepreg sheet collecting and cutting machine according to claim 1, characterized in that: A sliding groove (6) is arranged inside the traction frame (41), sliding blocks (61) are arranged on both sides of the upper pressure roller (42), the sliding blocks (61) are slidingly connected in the height direction of the sliding groove (6), a compression spring (62) is arranged between the sliding block (61) and the top of the sliding groove (6), the sliding block (61) is rotatably connected with the upper limiting shaft (63), a limiting block (64) is arranged on the traction frame (41), one end of the limiting shaft (63) is rotatably connected with the sliding block (61), the other end of the limiting shaft (63) is provided with a handle (65), and the middle part of the limiting shaft (63) is provided with a concave surface (66) that cooperates with the limiting block (64).

8. The unidirectional prepreg sheet collecting and cutting machine according to claim 1, characterized in that: The cutting drive unit comprises a cutting motor (53), a first sprocket (54), a second sprocket (55), a cam (56) and a linkage shaft (57); the cutting motor (53) is connected to and drives the first sprocket (54); the first sprocket (54) and the second sprocket (55) are driven; the cam (56) and the second sprocket (55) are concentrically arranged and connected; the bottom of the linkage shaft (57) is eccentrically connected to the cam (56) for rotation; and the top of the linkage shaft (57) is rotatably connected to one side of the cutting knife (52) in the width direction.

9. The unidirectional prepreg sheet collecting and cutting machine according to claim 1, characterized in that: The two ends of the upper pressing roller (42) and the lower pressing roller (43) in the length direction are meshed, and a synchronous belt is arranged between the rotation driving part (44) and the lower pressing roller (43).

Images