Composite carbon fiber plate hemming mechanism

Abstract

The utility model provides a composite carbon fiber plate hemming mechanism, which relates to the technical field of hemming mechanisms and comprises a bottom plate, supporting legs are symmetrically and fixedly mounted at the bottom of the bottom plate, an empty groove is formed in the top of the bottom plate in a penetrating manner, a first motor is fixedly mounted on one side of the bottom plate, and a lead screw is fixedly mounted at the output end of the first motor. The outer wall of the lead screw is in threaded connection with a sliding block, a placing table is fixedly mounted at the top of the sliding block, an L-shaped plate is fixedly mounted at the top of the placing table, and a hydraulic cylinder is fixedly mounted at the top of the L-shaped plate; according to the utility model, the worn hemming block can be quickly replaced by pulling and loosening the pulling plate, and the steps are simple and clear, so that an operator does not need complex tools or professional maintenance skills, the operation threshold is reduced, the replacement time is saved, and the production efficiency is improved. Meanwhile, the defects that scratches, dents and the like are left on the surface of a plate due to the fact that the abraded hemming block cannot be detached and replaced, and the appearance quality of a product is affected are effectively overcome.

Description

TECHNICAL FIELD

[0001] The utility model relates to a hemming mechanism technical field especially relates to a composite carbon fiber plate hemming mechanism. BACKGROUND

[0002] Composite carbon fiber plate as a kind of high-performance material, with light weight, high strength, high rigidity, corrosion resistance and other excellent characteristics, in aerospace, automobile manufacturing, sports equipment and many other fields have been widely used. With the continuous development of these fields, higher requirements are put forward to the processing quality and efficiency of composite carbon fiber plate. Among them, hemming processing is an important link in the processing of composite carbon fiber plate, good hemming can improve the edge strength of plate, prevent edge cracking, improve the appearance quality, make it better meet the needs of various application scenarios.

[0003] In the prior art, such as Chinese patent number: CN219899802U "a sheet steel hemming machine", including base and guide frame, still including auxiliary hemming assembly, auxiliary hemming assembly includes fixed block, hemming block, electric push rod one, placement table, support block, guide rod, fixed frame, electric push rod two, compression plate, limit rod and sliding block. The utility model belongs to the technical field of steel hemming, specifically a steel that needs to be hemmed is fixed, and the fixed steel is moved in horizontal direction, and it is stably moved forward during movement, so that the steel can be curled along the inner wall of arc-shaped groove, to solve the problem of high cost caused by welding iron wire in the existing sheet steel hemming machine. However, the hemming machine does not set a replacement structure for the hemming block. Since no replacement structure is provided, the surface of the worn hemming block will become rough and uneven. When the composite carbon fiber plate is hemmed, it is easy to leave scratches, scratches and other marks on the surface of the plate, which damages the smooth surface of the plate and reduces the appearance quality of the product, so it needs to be improved. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the problem that the hemming block cannot be replaced in the prior art, and provides a composite carbon fiber plate hemming mechanism.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of composite carbon fiber plate hemming mechanism, including bottom plate, the bottom of the bottom plate is fixedly installed leg symmetrically, the top of the bottom plate is penetrated and is provided with air slot, the side of the bottom plate is fixedly installed first motor, the output end of the first motor is fixedly installed screw rod, the outer wall of the screw rod is threadedly connected slider, the top of the slider is fixedly installed placement table, the top of the placement table is fixedly installed L plate, the top of the L plate is fixedly installed hydraulic cylinder, the output end of the hydraulic cylinder is fixedly installed pressing plate, the top of the bottom plate is fixedly installed fixed sleeve, the inside of the fixed sleeve is slidably connected with plug, the top of the plug is fixedly installed hemming block, the side of the plug and fixed sleeve is penetrated and is provided with limiting slot, the top of the bottom plate is provided with sliding slot, the inboard of the sliding slot is fixedly installed cylinder, the outer wall of the cylinder is slidably connected with slide plate, the side of the slide plate close to fixed sleeve is fixedly installed limiting plug rod, the side of the slide plate away from limiting plug rod is fixedly installed pull plate, the outer wall of the cylinder is equipped with spring.

[0006] Preferably, the top of the pressing plate is fixedly installed with a limiting column symmetrically, and the limiting column is slidably connected with the L plate. Here, the movement of the pressing plate is guided by the limiting column, improving the vertical stability of the movement of the pressing plate.

[0007] Preferably, the slider is slidably connected with the air slot, one end of the spring is fixedly connected with the slide plate, and the other end of the spring is fixedly connected with the inboard of the sliding slot. Here, the smoothness and accuracy of the horizontal movement of the placement table are improved by the sliding of the slider in the air slot, and the speed and convenience of the reset of the slide plate are improved by the spring connecting the slide plate with the inboard of the sliding slot.

[0008] Preferably, the limiting plug rod is slidably connected with the limiting slot, and the slide plate is slidably connected with the sliding slot. Here, the firmness of the hemming block is improved by the sliding cooperation of the limiting plug rod and the limiting slot, preventing it from loosening during work, and the convenience of the replacement of the hemming block by the operator is improved by the sliding of the slide plate in the sliding slot.

[0009] Preferably, the side of the L plate is fixedly installed with a housing, the inside of the housing is slidably connected with a tooth rod, one end of the tooth rod away from the housing is fixedly installed with a connecting rod, one end of the connecting rod away from the tooth rod is fixedly installed with a push rod, one side of the housing is fixedly installed with a mounting bracket, the inside of the mounting bracket is fixedly installed with a second motor, and the output end of the second motor is fixedly installed with a gear. Here, the composite carbon fiber plate that has completed hemming is pushed out of the placement table by the push rod, which can effectively avoid the hands of the operator being located at the bottom of the pressing plate, thereby preventing the hydraulic cylinder from failing to lose hydraulic support and causing the pressing plate to fall rapidly and injure the hands of the operator, improving the safety of the operator during work.

[0010] Preferably, the gear and the rack are engaged with each other, and the top of the rack is fixedly provided with a limiting protrusion.

[0011] Compared with the prior art, the utility model has the advantages and positive effects that,

[0012] 1、The utility model discloses a simple and clear step of replacing the worn edge curling block by pulling and loosening the pull plate, so that the operator does not need complex tools or professional maintenance skills, reduces the operation threshold, saves the replacement time, effectively prevents the worn edge curling block from being unable to be disassembled and replaced to leave scratches, dents and other defects on the surface of the plate, and affects the appearance quality of the product.

[0013] 2、The utility model discloses that the composite carbon fiber plate is pushed out from the placing table by the push rod, so that the operator's hand can be located at the bottom of the pressing plate, and the safety of the operator during operation can be improved. ACCURACY

[0014] Figure 1 The utility model provides a whole structure schematic diagram of composite carbon fiber plate edge curling mechanism;

[0015] Figure 2 The utility model provides a whole structure schematic diagram of composite carbon fiber plate edge curling mechanism Figure 1 The utility model provides a whole structure schematic diagram of composite carbon fiber plate edge curling mechanism;

[0016] Figure 3 The utility model provides a whole structure schematic diagram of composite carbon fiber plate edge curling mechanism;

[0017] Figure 4 The utility model provides a whole structure schematic diagram of composite carbon fiber plate edge curling mechanism.

[0018] Legend: 1, bottom plate;2, support leg;3, hollow groove;4, first motor;5, screw;6, sliding block;7, placing table;8, L plate;9, hydraulic cylinder;10, pressing plate;11, limiting column;12, fixed sleeve;13, plug;14, edge curling block;15, limiting slot;16, sliding groove;17, cylinder;18, sliding plate;19, limiting plug;20, pull plate;21, spring;22, shell;23, rack;24, connecting rod;25, push rod;26, mounting frame;27, second motor;28, gear;29, limiting protrusion. DETAILED DESCRIPTION

[0019] In order to enable the above-mentioned purposes, features and advantages of the present application to be more clearly understood, the present application will be described in further detail below with reference to the drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0020] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can be practiced in a variety of ways different from those described herein, therefore, the present application is not limited to the specific embodiments disclosed in the following description.

[0021] Please refer to Figure 1 , Figure 3 and Figure 4 , the present application provides a technical scheme: a kind of composite carbon fiber plate hemming mechanism, including bottom plate 1, the bottom of bottom plate 1 is symmetrically fixedly installed support leg 2, the top of bottom plate 1 is through and is equipped with air slot 3, one side of bottom plate 1 is fixedly installed first motor 4, the output end of first motor 4 is fixedly installed screw rod 5, the outer wall of screw rod 5 is threadedly connected sliding block 6, the top of sliding block 6 is fixedly installed placement table 7, the top of placement table 7 is fixedly installed L plate 8, the top of L plate 8 is fixedly installed hydraulic cylinder 9, the output end of hydraulic cylinder 9 is fixedly installed pressing plate 10, the top of bottom plate 1 is fixedly installed fixed sleeve 12, the inside of fixed sleeve 12 is slidably connected with plug block 13, the top end of plug block 13 is fixedly installed hemming block 14, one side of plug block 13 and fixed sleeve 12 is through and is equipped with limiting slot 15, the top of bottom plate 1 is equipped with sliding slot 16, the inner side of sliding slot 16 is fixedly installed cylinder 17, the outer wall of cylinder 17 is slidably connected with sliding plate 18, one side of sliding plate 18 close to fixed sleeve 12 is fixedly installed limiting plug 19, one side of sliding plate 18 away from limiting plug 19 is fixedly installed pull plate 20, the outer wall of cylinder 17 is equipped with spring 21.

[0022] By pulling the pull plate 20, the pull plate 20 drives the sliding plate 18 to slide in the sliding groove 16. The sliding plate 18 will extrude the spring 21 during sliding. After extruding to a certain extent, the limiting plug rod 19 on one side of the sliding plate 18 will slide out of the limiting plug slot 15. When the limiting plug rod 19 completely slides out of the limiting plug slot 15, the fixing between the plug block 13 at the bottom of the edge rolling block 14 and the fixed sleeve 12 is released. After the release, the worn edge rolling block 14 is taken out of the fixed sleeve 12. After taking out, a new suitable edge rolling block 14 is selected, and the plug block 13 at the bottom of the edge rolling block 14 is inserted into the fixed sleeve 12. After insertion, the pull plate 20 is loosened. After loosening, the rebounding force of the spring 21 will make the limiting plug rod 19 pop into the limiting plug slot 15. By pulling and loosening the pull plate 20, the worn edge rolling block 14 can be quickly replaced. The steps are simple and clear, so that the operator does not need complex tools or professional maintenance skills, reduces the operation threshold, saves the replacement time, and effectively prevents the worn edge rolling block 14 from being unable to be disassembled and replaced, which will leave scratches, dents and other defects on the surface of the plate, affecting the appearance quality of the product.

[0023] As shown in Figure 3 , the top of the pressing plate 10 is symmetrically fixed with the limiting column 11. The limiting column 11 is in sliding connection with the L-shaped plate 8. The movement of the pressing plate 10 is guided by the limiting column 11, which improves the vertical stability of the movement of the pressing plate 10.

[0024] As shown in Figures 3-4 , the sliding block 6 is in sliding connection with the empty slot 3. One end of the spring 21 is fixedly connected with the sliding plate 18, and the other end of the spring 21 is fixedly connected with the inner side of the sliding groove 16. The sliding of the sliding block 6 in the empty slot 3 improves the smoothness and accuracy of the horizontal movement of the placing table 7. The sliding plate 18 is connected with the inner side of the sliding groove 16 through the spring 21, which improves the speed and convenience of the resetting of the sliding plate 18.

[0025] As shown in Figure 4 , the limiting plug rod 19 is in sliding connection with the limiting plug slot 15, and the sliding plate 18 is in sliding connection with the sliding groove 16. The sliding cooperation of the limiting plug rod 19 and the limiting plug slot 15 improves the firmness of the fixing of the edge rolling block 14, preventing it from loosening during work. The sliding of the sliding plate 18 in the sliding groove 16 improves the convenience of the operator in replacing the edge rolling block 14.

[0026] As shown in Figures 1-2As shown, one side of the L plate 8 is fixedly installed with a shell 22, the inside of the shell 22 is slidingly connected with a toothed rod 23, one end of the toothed rod 23 away from the shell 22 is fixedly installed with a connecting rod 24, one end of the connecting rod 24 away from the toothed rod 23 is fixedly installed with a push rod 25, one side of the shell 22 is fixedly installed with a mounting rack 26, the inside of the mounting rack 26 is fixedly installed with a second motor 27, the output end of the second motor 27 is fixedly installed with a gear 28, the push rod 25 pushes the composite carbon fiber plate with the edge rolled out from the placement table 7, which can effectively avoid the hands of the operator being located at the bottom of the pressing plate 10, thereby preventing the hydraulic cylinder 9 from losing hydraulic support and causing the pressing plate 10 to fall quickly and injure the hands of the operator, and improving the safety of the operator during operation.

[0027] As shown in Figure 2 The gear 28 and the toothed rod 23 are meshed with each other, the top of the toothed rod 23 is fixedly installed with a limiting block 29, the gear 28 and the toothed rod 23 are meshed and driven, which improves the precision and stability of the push rod 25 pushing the composite carbon fiber plate, and the limiting block 29 is arranged to improve the safety of the movement of the toothed rod 23 and prevent it from coming out of the shell 22.

[0028] The working principle of the embodiment is as follows: in use, first, the composite carbon fiber plate is placed on the placing table 7, then the hydraulic cylinder 9 is started, the output end of the hydraulic cylinder 9 pushes the pressing plate 10 to move downward, the limit column 11 fixedly installed on the top of the pressing plate 10 is in sliding connection with the L-shaped plate 8, so that the pressing plate 10 is stably lowered vertically and cannot deviate, and the pressing plate 10 tightly presses the composite carbon fiber plate on the placing table 7, thereby providing stable support for subsequent edge rolling operation. After the composite carbon fiber plate is tightly pressed, the first motor 4 is started, the output end of the first motor 4 drives the lead screw 5 to rotate, so that the sliding block 6 moves horizontally in the empty slot 3, the placing table 7 is fixedly installed on the top of the sliding block 6, and the composite carbon fiber plate is fixed on the placing table 7, in this way, the plate can be moved to the position of the edge rolling block 14 for edge rolling operation. When the edge rolling operation of the composite carbon fiber plate is completed, the plate needs to be unloaded from the placing table 7, at this time, first, the hydraulic cylinder 9 is restored to the original position, then the second motor 27 is started after the hydraulic cylinder 9 is restored, the second motor 27 drives the gear 28 to rotate when the second motor 27 works, the gear 28 drives the toothed rod 23 to slide in the housing 22 in the process of rotating, the toothed rod 23 drives the connecting rod 24 and the push rod 25 to move together in the process of sliding, and the push rod 25 pushes the composite carbon fiber plate on the surface of the placing table 7 out after moving a distance. When the edge rolling block 14 needs to be replaced due to wear, the pull plate 20 is pulled, the pull plate 20 drives the sliding plate 18 to slide in the sliding groove 16, the sliding plate 18 extrudes the spring 21 in the process of sliding, the limit inserting rod 19 on one side of the sliding plate 18 slides out of the limit inserting slot 15 after a certain degree of extrusion, the fixing between the inserting block 13 at the bottom of the edge rolling block 14 and the fixed sleeve 12 is released when the limit inserting rod 19 completely slides out of the limit inserting slot 15, the worn edge rolling block 14 is taken out of the fixed sleeve 12 after the fixing is released, and a new edge rolling block 14 is selected, the inserting block 13 at the bottom of the new edge rolling block 14 is inserted into the fixed sleeve 12, and then the pull plate 20 is loosened, and the rebound force of the spring 21 drives the limit inserting rod 19 to be inserted into the limit inserting slot 15 after the pull plate 20 is loosened.

[0029] The above is only a preferred embodiment of the present application, and does not limit the present application in other forms. Any person skilled in the art can modify or change the above disclosed technical content to obtain equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made on the basis of the technical essence of the present application to the above embodiments still belongs to the protection scope of the technical scheme of the present application.

Claims

1. A composite carbon fiber sheet hemming mechanism comprising a base plate (1), characterized in that: The bottom of the bottom plate (1) is symmetrically fixedly installed with a supporting leg (2), the top of the bottom plate (1) is provided with a through groove (3), one side of the bottom plate (1) is fixedly installed with a first motor (4), the output end of the first motor (4) is fixedly installed with a lead screw (5), the outer wall of the lead screw (5) is threadedly connected with a sliding block (6), the top of the sliding block (6) is fixedly installed with a placing table (7), the top of the placing table (7) is fixedly installed with an L-shaped plate (8), the top of the L-shaped plate (8) is fixedly installed with a hydraulic cylinder (9), the output end of the hydraulic cylinder (9) is fixedly installed with a pressing plate (10), the top of the bottom plate (1) is fixedly installed with a fixed sleeve (12), the inside of the fixed sleeve (12) is slidingly connected with an insertion block (13), the top end of the insertion block (13) is fixedly installed with a curled block (14), one side of the insertion block (13) and the fixed sleeve (12) is provided with a limiting insertion slot (15), the top of the bottom plate (1) is provided with a sliding groove (16), the inside of the sliding groove (16) is fixedly installed with a cylinder (17), the outer wall of the cylinder (17) is slidingly connected with a sliding plate (18), one side of the sliding plate (18) close to the fixed sleeve (12) is fixedly installed with a limiting insertion rod (19), one side of the sliding plate (18) away from the limiting insertion rod (19) is fixedly installed with a pulling plate (20), the outer wall of the cylinder (17) is sleeved with a spring (21).

2. The composite carbon fiber sheet edge curling mechanism according to claim 1, characterized by: The top of the pressing plate (10) is symmetrically fixedly installed with a limiting column (11), and the limiting column (11) is slidingly connected with the L-shaped plate (8).

3. The composite carbon fiber sheet roll edge mechanism according to claim 1, characterized by: The sliding block (6) is slidingly connected with the through groove (3), one end of the spring (21) is fixedly connected with the sliding plate (18), and the other end of the spring (21) is fixedly connected with the inside of the sliding groove (16).

4. The composite carbon fiber sheet tucking mechanism according to claim 1, characterized by: The limiting insertion rod (19) is slidingly connected with the limiting insertion slot (15), and the sliding plate (18) is slidingly connected with the sliding groove (16).

5. The composite carbon fiber sheet tucking mechanism according to claim 1, characterized by: One side of the L-shaped plate (8) is fixedly installed with a housing (22), the inside of the housing (22) is slidingly connected with a tooth rod (23), one end of the tooth rod (23) away from the housing (22) is fixedly installed with a connecting rod (24), one end of the connecting rod (24) away from the tooth rod (23) is fixedly installed with a push rod (25), one side of the housing (22) is fixedly installed with a mounting bracket (26), the inside of the mounting bracket (26) is fixedly installed with a second motor (27), and the output end of the second motor (27) is fixedly installed with a gear (28).

6. The composite carbon fiber sheet tucking mechanism according to claim 5, characterized by: The gear (28) and the tooth rod (23) are meshed with each other, and the top of the tooth rod (23) is fixedly installed with a limiting protrusion (29).

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