A prepreg kit roll conveying system

Abstract

The present invention discloses a prepreg kit roll conveying system, which relates to the field of conveying devices, including a bracket, fixed bars are fixed on both sides of the bracket, movable bars are connected to the fixed bars on both sides, a first sliding platform is provided at one end of the bracket, a loading assembly is provided in the first sliding platform, a second sliding platform is provided at the end of the bracket away from the first sliding platform, a unloading gripper is provided in the second sliding platform; compared with the existing technology, the present invention solves the "lossless, adaptive, and high-efficiency" problems in the conveying of prepreg coils through inner hole adaptive support, automatic posture conversion, rolling friction plugging and unplugging, and self-locking flexible clamping.

Description

Technical Field

[0001] The present invention relates to the field of conveying devices, in particular to a prepreg kitting roll conveying system. Background Art

[0002] Prepreg is a core raw material for the manufacture of high-end composite materials for aerospace, wind power, and lightweight automotive applications. It is typically stored and transported in large rolls. Before entering the curing oven, tape laying machine, or automated fiber placement equipment, the rolls must be accurately and non-destructively transported from the storage area to the processing station. However, the resin layer on the surface of prepreg is fragile, and scratches or indentations can render the part scrapped. Manual handling of heavy rolls is time-consuming and labor-intensive, creating a bottleneck on the production line. A single roll of prepreg can be worth tens of thousands of yuan, and damage can mean significant financial losses.

[0003] The difficulty in conveying lies in the fact that the outer surface and inner hole of the coil need to be supported evenly to prevent inter-layer extrusion and deformation, and the conveying process requires zero vibration, zero friction and displacement. At present, the industry generally uses workers to operate cranes to lift coils, and manually adjust the posture and positioning. This is inefficient, prone to collision damage, relies on workers' experience, and has poor positioning accuracy. The motor-driven roller line conveys coils horizontally, which only supports horizontal coils and cannot be adapted to vertical storage. The roller contacts the outer surface of the coil, and the risk of scratches is high. Contacting the coil by clamping or internal support may also cause the internal support rod to make hard contact with the inner wall of the coil, resulting in high resistance to insertion and removal, which can easily lead to indentations and displacement. In addition, the coil may be damaged due to uneven force on the coil during the flipping process.

[0004] Therefore, it is necessary to provide a prepreg kitting roll conveying system to solve the problems raised in the above background technology. Summary of the Invention

[0005] Material toggling mechanism, its both sides respectively have a cylinder pressure, and the cylinder pressure bar connects swing arm, and the swing arm end face has hook portion, and a bar passes position between the end of two swing arms and the hook portion.

[0006] Furthermore, a pressure ring is provided on the opposite side of the two connecting disks, and multiple connecting shafts are fixed in the pressure ring. Support springs are sleeved in the connecting shafts. The connecting shafts slide through the corresponding connecting disks and are fixed to the support rings. The support rings are provided on the side of the connecting disks away from the pressure rings.

[0007] Furthermore, an expansion link is hinged in each of the clamping strips, and the expansion link passes through the sliding slot and is hinged to the corresponding support ring.

[0008] Furthermore, a through hole is provided at the center of the connecting disk.

[0009] Furthermore, each of the clamping strips is rotatably distributed with a plurality of roller strips penetrating two sides thereof. Furthermore, the turntable and the sliding bracket are connected via a lifting cylinder.

[0010] Furthermore, the fixed bar is connected to the corresponding movable bar through a plurality of telescopic rods.

[0011] Furthermore, a downward pressure spring is provided between the downward pressure block and the bottom of the shell, each of the holding pads is hinged with a clamping link, one end of each of the clamping link is hinged with a rotating rod, the center of the rotating rod is hinged in the shell, and the other end of the rotating rod is attached to the bottom of the downward pressure block.

[0012] Furthermore, the inner wall of the shoe is provided with a slot matching the roller strip.

[0013] Compared with the existing technology, the beneficial effects of the present invention are: the present invention integrates the functions of loading, conveying and unloading, replacing the tedious process of traditional manual handling and lifting of coils, significantly improving production efficiency, reducing dependence on manual operation, reducing labor intensity and labor costs, and reducing the risk of human operational errors.

[0014] The clamping bar of the loading assembly in this invention is radially adjustable, precisely and evenly supporting the inner hole of the coil. This prevents localized stress concentration from damaging the inner wall during the coil's rotation from vertical to horizontal. This adapts to the common vertical storage method used in factories, eliminating the need for external position conversion, simplifying the process, and preventing the support shaft from directly contacting the interior of the coil during insertion. After the coil is placed on the pulley assembly, the clamping bar engages the support shaft and releases. The insertion and removal of the roller bar and the support shaft becomes rolling friction, significantly reducing friction and preventing coil displacement or surface scratches.

[0015] The holding shoe and the pressing block of the pulley assembly in the present invention form an automatic and flexible clamping mechanism, which realizes adaptive clamping of the support roller through the pressing spring and the connecting rod, thereby avoiding damage to the support roller or indirectly to the coil caused by rigid clamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1It is a structural schematic diagram of a prepreg kitting roll conveying system;

[0017] Figure 2 It is a structural schematic diagram of the feeding assembly in the present invention;

[0018] Figure 3 Schematic diagram of the cross-sectional structure of the coiled material clamped by the connecting disc and placed on the pulley in the present invention;

[0019] Figure 4 It is a structural diagram of the movable bar in the present invention;

[0020] Figure 5 Schematic diagram of the structure of the pulley assembly of the present invention;

[0021] In the figure: 1. bracket; 2. fixed bar; 3. movable bar; 31. chain; 32. pulley assembly; 321. shell; 322. pressure block; 323. holding tile; 324. holding link; 325. rotating rod; 326. pressure spring; 327. slot; 4. telescopic rod; 5. first sliding platform; 6. loading assembly; 61. sliding bracket; 62. lifting cylinder; 63. turntable; 64. rotating cylinder; 65. telescopic block; 66. connecting plate; 67. clamping strip; 68. pressure ring; 69. support ring; 610. connecting shaft; 611. support spring; 612. expansion link; 613. slide; 614. roller; 7. second sliding platform; 8. unloading gripper; 9. support shaft. DETAILED DESCRIPTION

[0022] See also Figure 1-Figure 5 In an embodiment of the present invention, a prepreg kit roll conveying system includes a bracket 1, fixed bars 2 are fixed on both sides of the bracket 1, and movable bars 3 are connected to the fixed bars 2 on both sides. A first sliding platform 5 is provided at one end of the bracket 1, and a loading component 6 is provided in the first sliding platform 5. A second sliding platform 7 is provided at the end of the bracket 1 away from the first sliding platform 5, and a unloading gripper 8 is provided in the second sliding platform 7.

[0023] The coil is placed on the movable bar 3 through the loading assembly 6 and transported backward. After reaching the rear end of the bracket 1, the coil on the movable bar 3 is installed in the processing equipment through the unloading gripper 8.

[0024] In this embodiment, the loading assembly 6 includes a sliding bracket 61, a turntable 63 is rotatably arranged below the sliding bracket 61, two telescopic blocks 65 are symmetrically arranged below the turntable 63, a connecting disk 66 is fixed in the telescopic block 65, and a plurality of circumferentially distributed sliding grooves 613 are provided in the connecting disk 66, and a card strip 67 is slidably arranged in each of the sliding grooves 613.

[0025] By changing the distance between the two telescopic blocks 65, the two connecting plates 66 can be clamped on the upper and lower end surfaces of the coil, and the clamping strip 67 is inserted into the inner hole of the coil, which can evenly support the coil and avoid damaging the coil surface.

[0026] In this embodiment, a pressure ring 68 is provided on the opposite side of the two connecting plates 66, and multiple connecting shafts 610 are fixed in the pressure ring 68. A support spring 611 is sleeved in the connecting shaft 610. The connecting shaft 610 slides through the corresponding connecting plate 66 and is fixed to the support ring 69. The support ring 69 is arranged on the side of the connecting plate 66 away from the pressure ring 68.

[0027] That is to say, when the pressure ring 68 is attached to the end surface of the coil, the support spring 611 can act as an elastic buffer for the end surface of the coil to further protect the coil.

[0028] In this embodiment, an expansion link 612 is hingedly connected to each of the clamping strips 67 . The expansion link 612 passes through the sliding slot 613 and is hingedly connected to the corresponding support ring 69 .

[0029] That is to say, when the pressure ring 68 is attached to the end face of the coil, the two connecting plates 66 are brought close to each other so that the end face of the coil can squeeze the pressure ring 68, and the support ring 69 pulls the clamping strip 67 to expand through the expansion link 612, so that the clamping strip 67 can be attached to the inner wall of the inner hole of the coil, so as to improve the stability of the coil during the flipping process.

[0030] In this embodiment, a through hole is provided in the center of the connecting disk 66 so that a support shaft 9 can be inserted into the center of the connecting disk 66 to support the coil during transportation.

[0031] In this embodiment, each of the clamping strips 67 has a plurality of roller strips 614 rotatably distributed therein and penetrating both sides thereof.

[0032] When the support shaft 9 is inserted into or pulled out of the center of the connecting disk 66, when the clamping strip 67 contracts to the position closest to the center of the circle, the roller strip 614 can convert the insertion and removal of the support shaft 9 into rolling friction, reducing friction and avoiding displacement or damage of the coil.

[0033] In this embodiment, the turntable 63 is connected to the sliding bracket 61 via a lifting cylinder 62. The turntable 63 and the sliding bracket 61 are hinged, and a tilting rotating cylinder 64 is further hinged between the turntable 63 and the sliding bracket 61.

[0034] The height of the connecting plate 66 can be changed by the lifting cylinder 62 to place the coiled material on the movable fence 3; the tilt angle of the connecting plate 66 can be changed by the rotating cylinder 64 to turn the coiled material.

[0035] The height of the connection plate 66 can thereby be varied in order to place the coil onto the movable column 3 .

[0036] In this embodiment, a chain 31 is rotatably provided inside the movable bar 3 , and a plurality of pulley assemblies 32 are slidably provided on four sides of the movable bar 3 , and the pulley assemblies 32 are fixed to the chain 31 .

[0037] The driving chain 31 can synchronously drive multiple pulley assemblies 32 to slide along the four sides of the movable fence 3, thereby achieving a conveying effect.

[0038] In this embodiment, the fixed bars 2 are connected to the corresponding movable bars 3 by a plurality of telescopic rods 4. The spacing between the two movable bars 3 can be changed by the extension and contraction of the telescopic rods 4, thereby adapting to coils of different widths.

[0039] In this embodiment, the pulley assembly 32 includes a shell 321, and a lower pressure block 322 is provided above the shell 321 so as to be liftable and slidable. The shell 321 on both sides of the lower pressure block 322 has symmetrically hinged shoe-shaped holding shoes 323.

[0040] The support shaft 9 can be clamped together by the pressing block 322 and the holding shoes 323 on both sides to prevent shaking during transportation.

[0041] In this embodiment, a downward pressure spring 326 is provided between the downward pressure block 322 and the bottom of the shell 321, each of the holding pads 323 is hinged with a clamping link 324, and one end of each of the clamping link 324 is hinged with a rotating rod 325, the center of the rotating rod 325 is hinged in the shell 321, and the other end of the rotating rod 325 is attached to the bottom of the downward pressure block 322.

[0042] That is to say, under the action of the downward pressure spring 326, the downward pressure block 322 can bounce upward, and when it is subjected to the downward pressure of the support shaft 9, it slides downward, causing the rotating rod 325 to rotate and push the clamping link 324 to close the clamping shoe 323 to clamp the support shaft 9.

[0043] In this embodiment, the inner wall of the holding shoe 323 is provided with a slot 327 that matches the roller strip 614 , ensuring that the clip strip 67 can slide smoothly in the holding shoe 323 .

[0044] In specific implementation, the rotating turntable 63 rotates the telescopic block 65 from the horizontal horizontal position to the horizontal longitudinal position, and then drives the rotating cylinder 64 to swing the turntable 63 and the mechanism below it (telescopic block 65, connecting plate 66, clamping strip 67, etc.) from the horizontal longitudinal position to the vertical position, so as to facilitate the reception of the vertically placed coiled material;

[0045] Lift or carry the vertically stored coil to the front of the vertical loading assembly 6, and slowly put the coil on the clip 67 in the retracted state, making sure that the inner hole of the coil is aligned with the clip 67;

[0046] The two telescopic blocks 65 are adjusted to move closer to each other, driving the two connecting plates 66 closer to the upper and lower end surfaces of the coil, and the clamping strip 67 is inserted into the inner hole of the coil. The telescopic blocks 65 are further driven closer, so that the end surface of the coil presses the pressure ring 68, causing the support ring 69 to pull the clamping strip 67 to expand through the expansion link 612, so that the clamping strip 67 can fit the inner wall of the inner hole of the coil, thereby improving the stability of the coil during the turning process;

[0047] The rotating cylinder 64 is driven to move in the reverse direction, so that the entire turntable mechanism and the coiled material are smoothly rotated from the vertical state to the horizontal state; the lifting cylinder 62 is driven to lower the turntable 63 and the coiled material and the support shaft 9 carried thereon, and the turntable 63 is rotated to the horizontal direction so that the center of the coiled material is slightly higher than the expected load surface of the pulley assembly 32 waiting on the movable fence 3;

[0048] Insert the prepared support shaft 9 from the central through-hole of the connecting plate 66, passing through the entire inner hole of the coil, and drive the two telescopic blocks 65 slightly away from each other, so that the clamping strip 67 shrinks and fits the inner wall of the support shaft 9;

[0049] Adjust the two telescopic blocks 65 slightly away from each other so that the distance between the two connecting plates 66 is slightly larger than the distance between the two movable bars 3. At this time, the clamping strip 67 is exposed to a certain length. Fine-tune the lifting cylinder 62 and gently place the clamping strips 67 on both sides on the pulley assemblies 32 at the designated starting positions on the movable bars 3 on both sides.

[0050] As the two telescopic blocks 65 are adjusted further apart, the support shaft 9, the coiled material, and the holding shoe 323 come into contact with the roller strip 614 on the inner side of the clamping strip 67. The rolling friction of the roller strip 614 greatly reduces the friction between them, thus preventing the coiled material from shifting or being damaged due to friction.

[0051] After the clamping strip 67 completely leaves the coil and the support shaft 9, when the support shaft 9 falls on the lower pressing block 322 of the pulley assembly 32, the downward pressure overcomes the elastic force of the downward pressing spring 326, causing the lower pressing block 322 to slide downward. When the lower pressing block 322 moves downward, its bottom presses one end of the rotating rod 325, and the rotating rod 325 rotates around the central hinge point. The other end of the rotating rod 325 pushes the holding shoe 323 through the clamping link 324. Driven by the clamping link 324, the holding shoes 323 on both sides rotate inward around their hinge points and close, forming a stable clamping force together with the lower pressing block 322, and firmly clamping the support shaft 9 on the housing 321;

[0052] Because the pulley assemblies 32 are evenly and fixedly connected to the chain 31, the movement of the chain 31 drives all the pulley assemblies 32 to slide synchronously along the four side tracks of the movable fence 3. The pulley assemblies 32 holding the coiled material through the support shaft 9 drive the coiled material to move smoothly and synchronously from the front end to the rear end of the support 1;

[0053] When the coil is transported to the second sliding platform 7 area at the rear end of the support 1 along with the pulley assembly 32, the unloading gripper 8 moves out from the second sliding platform 7, locates the coil position, holds the coil tightly and lifts it slightly, thereby reducing the load on the pulley assembly 32 and fixing the coil position.

[0054] The support shaft 9 is pulled out from the center of the coil. At this time, the lower pressure block 322 loses pressure, and the holding shoe 323 rotates outward to open and return to its initial state; the second sliding table 7 moves to accurately position the coil and install it to the designated workstation of the downstream processing equipment. The unloaded pulley assembly 32 continues to move back to the front starting position with the chain 31.

[0055] The above is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with this technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solutions and inventive concepts of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A prepreg kitting roll conveying system, comprising a bracket (1), characterized in that: Fixed bars (2) are fixed on both sides of the bracket (1), and movable bars (3) are connected to the fixed bars (2) on both sides. A first sliding platform (5) is provided at one end of the bracket (1), and a loading assembly (6) is provided in the first sliding platform (5). A second sliding platform (7) is provided at the end of the bracket (1) away from the first sliding platform (5), and a unloading gripper (8) is provided in the second sliding platform (7); The feeding assembly (6) includes a sliding bracket (61), a turntable (63) is rotatably provided below the sliding bracket (61), two telescopic blocks (65) are symmetrically provided below the turntable (63), a connecting disk (66) is fixed in the telescopic block (65), a plurality of circumferentially distributed sliding grooves (613) are provided in the connecting disk (66), and a card strip (67) is slidably provided in each of the sliding grooves (613); A chain (31) is rotatably provided inside the movable bar (3), and a plurality of pulley assemblies (32) are slidably provided on four sides of the movable bar (3), and the pulley assemblies (32) are fixed to the chain (31); The pulley assembly (32) includes a housing (321), a lower pressing block (322) is provided above the housing (321) in a manner that allows it to be lifted and slidable, and tile-shaped holding tiles (323) are symmetrically hinged on the housing (321) on both sides of the lower pressing block (322); A pressure ring (68) is provided on one side opposite to the two connecting disks (66), a plurality of connecting shafts (610) are fixed in the pressure ring (68), a support spring (611) is sleeved in the connecting shaft (610), the connecting shaft (610) slides through the corresponding connecting disk (66), and is fixed to the support ring (69), and the support ring (69) is provided on the side of the connecting disk (66) away from the pressure ring (68); An expansion link (612) is hingedly connected to each of the clamping strips (67), and the expansion link (612) passes through the slide groove (613) and is hingedly connected to the corresponding support ring (69); Each of the clamping strips (67) is rotatably provided with a plurality of roller strips (614) extending through both sides thereof; A downward pressure spring (326) is provided between the downward pressure block (322) and the bottom of the shell (321), each of the holding tiles (323) is hingedly connected to a clamping link (324), and one end of each of the clamping links (324) is hingedly connected to a rotating rod (325), the center of the rotating rod (325) is hinged in the shell (321), and the other end of the rotating rod (325) is attached to the bottom of the downward pressure block (322).

2. A prepreg kitting roll conveying system according to claim 1, characterized in that: A through hole is provided at the center of the connecting disk (66).

3. A prepreg kitting roll conveying system according to claim 1, characterized in that: The turntable (63) and the sliding bracket (61) are connected via a lifting cylinder (62).

4. A prepreg kitting roll conveying system according to claim 1, characterized in that: The fixed fence (2) is connected to the corresponding movable fence (3) via a plurality of telescopic rods (4).

5. The prepreg kitting roll conveying system according to claim 1, characterized in that: The inner wall of the holding shoe (323) is provided with a clamping groove (327) that matches the roller strip (614).

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