Tin-plated thin plate winding pressing arm assembly and winding device

Abstract

The invention discloses a tinned thin plate winding pressing arm assembly and a winding device, and relates to the technical field of tinned thin plate production equipment.The tinned thin plate winding pressing arm assembly comprises a machining table, a moving block is transversely and slidably connected to the machining table, a plurality of pressing arm plates are installed in the moving block through a plurality of connecting springs, and a plurality of clamping assemblies are further arranged in the moving block; each clamping assembly is clamped and matched with the corresponding pressing arm plate; and the cutting assembly and the bundling mechanism are both arranged on the machining table. The state of the pressing arm plate is independently controlled by arranging the clamping assembly, so that the bundling mechanism moves to drive the blocked pressing arm assembly to move, the other pressing arm assemblies are all in the extrusion state, it is ensured that the rolled tin-plated thin plate roll is tightly rolled in the bundling process, the rolling state of the tin-plated thin plate is improved, and in the moving and cutting stroke of the cutting assembly, the tin-plated thin plate is not prone to falling off. Through cooperation of the connecting assembly and the driving mechanism, tinned sheet rolls can be bundled in time after slitting, and the winding effect is improved.

Description

Technical Field

[0001] The invention relates to the technical field of tinplate production equipment, and in particular to a tinplate winding pressure arm assembly and a winding device. Background Art

[0002] Tinplate refers to a cold-rolled thin steel plate coated with a very thin layer of metal tin on both sides. It combines the hardness and strength of steel with the weldability, corrosion resistance and bright appearance of tin. Tinplate has the advantages of being odorless, non-toxic, light in weight and easy to process and shape. Printing different patterns can also beautify the product, so it has been widely used in the food canning industry, electronic devices, chemical paint and other industries. In the production process of tinplate, after the strip steel is tinned and soft-melted, in order to prevent the tin layer from oxidizing and yellowing during storage or paint baking, and to improve the tinplate's sulfur resistance and other properties, the tinplate must be passivated.

[0003] When the tinplate is rolled up, a pressure arm assembly is required to tighten and fix the rolled up thin plate to prevent the thin plate roll from loosening or sliding, which will affect the later packaging. The existing pressure arm for rolling up the thin plate is generally in the shape of a round roller or a flat plate, which is squeezed on one side of the wound thin plate roll. When the rolled up thin plate roll needs to be wrapped after the rolling is completed, the entire pressure arm assembly needs to be removed. Otherwise, the bundling mechanism moves to the surface of the thin plate roll to implement bundling, and the limiting force disappears after the pressure arm assembly is removed, and the thin plate roll may become loose, which has certain shortcomings. Summary of the invention

[0004] The object of the present invention is to provide a tinplate rolling pressure arm assembly and a rolling device to solve the above-mentioned deficiencies in the prior art.

[0005] In order to achieve the above-mentioned object, the present invention provides the following technical solutions: a tinplate coiling pressure arm assembly, comprising a processing table, a moving block is connected to the processing table in a transverse sliding manner, a plurality of pressure arm plates are installed in the moving block through a plurality of connecting springs, and a plurality of groups of clamping assemblies are also arranged in the moving block, each of the clamping assemblies is clamped and matched with the corresponding pressure arm plate; further comprising a cutting assembly and a bundling mechanism, which are both arranged on the processing table; after coiling, the cutting assembly has the following three stations: At the first station, the cutting assembly moves to cut the tin-plated sheet, and drives the strapping mechanism to move to the rolled sheet roll through the connecting assembly. The strapping mechanism moves and triggers the unlocking of the clamping assembly in turn through the unlocking mechanism. When the strapping mechanism moves, the clamping assembly fixes the pressure arm plate again to squeeze the sheet roll. At the second station, the cutting assembly is reset, and the driving mechanism drives the bundling mechanism to move and bundle the wound tinplate coils; At the third station, the cutting assembly continues to reset, and the strapping mechanism is driven to reset again through the connecting assembly.

[0006] As a further description of the above technical solution: The clamping assembly includes a cross frame rotatably connected to the moving block, and a first moving plate and a second moving plate are respectively arranged on both sides of the cross frame; the first moving plate and the second moving plate are both slidably connected to the moving block, a limiting column is fixedly connected to the first moving plate, an extension rod is fixedly connected to the second moving plate, one end of the extension rod is fixedly connected to a conical block, a support spring is fixedly connected between the conical block and the moving block, and the elastic force of the support spring drives the limiting column to engage with the corresponding pressure arm plate.

[0007] As a further description of the above technical solution: The cutting assembly comprises a limit frame fixedly connected to the processing table, a mounting frame is slidably connected to the limit frame, and a slitting knife is fixedly connected to the mounting frame.

[0008] As a further description of the above technical solution: The bundling mechanism comprises two bundling frames slidably connected to the processing table, and the two bundling frames are rotatably connected to a rotating rod; the two rotating rods are fixedly connected to a clamping piece, and the two clamping pieces are provided with bundling wires, and a synchronization component is provided between the two bundling frames.

[0009] As a further description of the above technical solution: The synchronization component comprises a transmission plate rotatably connected to the processing table, both sides of the transmission plate are rotatably connected with transmission bars, and the two transmission bars are rotatably connected to the corresponding bundling frames respectively.

[0010] As a further description of the above technical solution: The unlocking mechanism includes a double-sided inclined plate fixedly connected to the bundling frame and two wedge blocks; the double-sided inclined plate contacts the corresponding conical blocks during its movement, and a first inclined groove is provided on both sides of each pressure arm plate, and the wedge blocks contact the corresponding first inclined groove during their movement.

[0011] As a further description of the above technical solution: The driving mechanism includes a mounting plate fixedly connected to the slitting knife, an incomplete tooth plate fixedly connected to the mounting plate; an auxiliary rod rotatably connected to the bundling frame, a disc fixedly connected to the auxiliary rod, a gear ring rotatably connected to the auxiliary rod, the incomplete tooth plate contacts the gear ring during its movement, a belt is arranged between the auxiliary rod and the rotating rod, and a one-way component is arranged between the gear ring and the disc.

[0012] As a further description of the above technical solution: The one-way component includes a plurality of T-shaped wedges vertically slidably connected in the gear ring, and a suspension spring is fixedly connected between each of the T-shaped wedges and the gear ring; a plurality of second inclined grooves are opened on the disc, and each of the T-shaped wedges is snap-fitted with the corresponding second inclined groove.

[0013] As a further description of the above technical solution: The connecting assembly comprises an L-shaped baffle plate and a reset plate which are fixedly connected to a bundling frame on one side. The bundling frame contacts the L-shaped baffle plate and the reset plate in sequence during the movement of the bundling frame.

[0014] A winding device comprises the above-mentioned tin-plated sheet winding pressure arm assembly.

[0015] In the above technical solution, the tinplate coiling pressure arm assembly and coiling device provided by the present invention have the following beneficial effects: The present invention cooperates with each other by arranging a processing table, a moving block, a connecting spring, a pressure arm plate, a clamping assembly, a cutting assembly, a bundling mechanism, a connecting assembly, an unlocking mechanism and a driving mechanism. The clamping assembly is arranged to independently control the state of the pressure arm plate, so that the bundling mechanism moves to drive the blocked pressure arm assembly to move, and the remaining pressure arm assemblies are all in an extrusion state, so as to ensure that the rolled tinplate rolls are tightly rolled during the bundling process, thereby improving the rolling state of the tinplate. During the moving and cutting stroke of the cutting assembly, the tinplate rolls can be bundled in time after slitting through the cooperation between the connecting assembly and the driving mechanism, thereby improving the rolling effect.

[0016] It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

[0017] This application document provides an overview of various implementations or examples of the technology described in the present disclosure, and is not a comprehensive disclosure of the entire scope or all features of the disclosed technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0019] Figure 1 A schematic diagram of the overall structure provided by an embodiment of the present invention; Figure 2 Another perspective view of the overall structure provided by the embodiment of the present invention; Figure 3A schematic diagram of the connection between the moving block and the pressure arm plate structure provided by an embodiment of the present invention; Figure 4 A schematic cross-sectional view of a local structure provided by an embodiment of the present invention; Figure 5 A longitudinal sectional schematic diagram of a moving block structure provided by an embodiment of the present invention; Figure 6 A schematic diagram of the structural connection of the bundling mechanism, cutting assembly, driving mechanism and connecting assembly provided in an embodiment of the present invention; Figure 7 A schematic diagram of a partial structure of a bundling mechanism provided in an embodiment of the present invention; Figure 8 for Figure 5 The enlarged view of point A in the middle; Fig. 9 for Figure 6 The enlarged view of point B in the middle; Fig.10 for Figure 7 Enlarged view of point C in the middle.

[0020] Description of reference numerals: 1. Processing table; 11. Moving block; 12. Connecting spring; 13. Pressure arm plate; 21. Cross frame; 22. First moving plate; 23. Second moving plate; 24. Limiting column; 25. Extension rod; 26. Conical block; 27. Support spring; 31. Limiting frame; 32. Mounting frame; 33. Slitting knife; 41. Bundling frame; 42. Rotating rod; 43. Clamping piece; 44. Bundling wire; 51. Transmission plate; 52. Transmission bar; 61. Double-sided inclined plate; 62. Wedge block; 63. First inclined slot; 71. Mounting plate; 72. Incomplete tooth plate; 73. Auxiliary rod; 74. Disc; 75. Gear ring; 76. Belt; 81. T-shaped wedge block; 82. Suspension spring; 83. Second inclined slot; 91. L-shaped baffle; 92. Reset plate. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the embodiments of the present disclosure clearer, the technical solution of the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, not all of the embodiments. Based on the described embodiments of the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present disclosure.

[0022] See also Figure 1-10The present embodiment provides a tinplate winding pressure arm assembly, including a processing table 1, a moving block 11 is connected to the processing table 1 in a transverse sliding manner, the processing table 1 is an existing tinplate winding frame, and the processing table 1 needs to be provided with a clamping portion for installing a tinplate winding roller, and the clamping portion is also an existing and most basic setting, which will not be described in detail here. The moving block 11 on the processing table 1 is driven to move by an external driving source, and after the movement stops, it maintains the state before stopping. A plurality of pressures are installed in the moving block 11 through a plurality of connecting springs 12. The arm plate 13 is provided with a groove for the pressure arm plate 13 to move on the moving block 11. The elastic force of the connecting spring 12 drives the pressure arm plate 13 to move to the outside of the moving block 11. The moving block 11 is also provided with a plurality of groups of clamping components, each of which is clamped with the corresponding pressure arm plate 13. The pressure arm plate 13 can be fixed inside the moving block 11 through the clamping components, so as to improve the stability of the pressure arm plate 13 when squeezing the tin-plated sheet; it also includes a cutting component and a bundling mechanism, which are both arranged on the processing table 1; after winding, the cutting component has the following three stations: At the first station, the cutting assembly moves to cut the tin-plated sheet. When the tin-plated sheet is rolled up to a certain amount, the cutting assembly is driven to move by starting the external driving source to cut the tin-plated sheet, and the strapping mechanism is driven to move to the rolled sheet roll through the connecting assembly. Through the cooperation of the connecting assembly, the strapping mechanism is driven to move to the strapping position during the cutting stroke of the cutting assembly, thereby reducing the use of the power source. The strapping mechanism moves and triggers the unlocking of the clamping assembly in turn through the unlocking mechanism. When the strapping mechanism moves, the clamping assembly again presses the pressing arm. The plate 13 is fixed to realize the squeezing of the thin plate roll. When the strapping assembly moves, the unlocking mechanism will trigger the pressure arm plate 13 that is about to contact it to unlock and move, so that the strapping assembly can pass smoothly. After the strapping assembly moves, the pressure arm plate 13 is reset under the action of the connecting spring 12 and is fixed by the clamping assembly again, so that it continues to squeeze the tinned thin plate roll. The pressure arm plate 13 is triggered individually. During the movement of the strapping assembly, the remaining pressure arm plates 13 can continue to maintain the squeezing state to prevent the tinned thin plate roll from loosening during strapping. At the second station, the cutting assembly is reset, and the driving mechanism drives the strapping mechanism to move to strap the wound tinplate coil. The movement of the cutting assembly reset drives the strapping mechanism to move, which once again reduces the overall energy consumption of the device. The strapping and winding operation can be performed without the need for coordination between multiple control devices. At the third station, the cutting assembly continues to reset, and the connecting assembly drives the strapping mechanism to reset again. When strapping is completed, the cutting assembly moves and contacts the connecting assembly that controls the movement of the strapping assembly, and drives the strapping assembly to reset, so as to facilitate the next repeated strapping operation.

[0023] In an embodiment further provided by the present invention, the clamping assembly includes a cross frame 21 rotatably connected to the moving block 11, and a first moving plate 22 and a second moving plate 23 are respectively arranged on both sides of the cross frame 21, and the connection between the cross frame 21 and the first moving plate 22 and the second moving plate 23 is rotational and sliding; the first moving plate 22 and the second moving plate 23 are both slidably connected to the moving block 11, a limiting column 24 is fixedly connected to the first moving plate 22, and an extension rod 25 is fixedly connected to the second moving plate 23, and a conical block 26 is fixedly connected to one end of the extension rod 25, and a supporting spring 27 is fixedly connected between the conical block 26 and the moving block 11, and the elastic force of the supporting spring 27 drives the limiting column 24 to engage with the corresponding pressure arm plate 13, and a hole adapted to the limiting column 24 is opened on the pressure arm plate 13, and the limiting column 24 is clamped on the pressure arm plate 13 to limit the movement of the pressure arm plate 13, and the stability of the tin-plated sheet extrusion of the pressure arm plate 13 can be improved.

[0024] In an embodiment further provided by the present invention, the cutting assembly includes a limit frame 31 fixedly connected to the processing table 1, a mounting frame 32 is slidably connected to the limit frame 31, a slitting knife 33 is fixedly connected to the mounting frame 32, and the movement of the mounting frame 32 is limited by setting the limit frame 31, and the slitting knife 33 can also be set to be detachably installed on the mounting frame 32.

[0025] In the embodiment provided by the present invention, the bundling mechanism includes two bundling frames 41 slidably connected to the processing table 1. The specific shape of the bundling frames 41 can be found in the appendix of the specification. Figure 6 , the two bundling frames 41 are rotatably connected with a rotating rod 42; the two rotating rods 42 are fixedly connected with a clamping member 43, and the two clamping members 43 are provided with a bundling wire 44. The clamping member 43 can adopt an existing clamping device that can clamp the bundling wire 44. The bundling wire 44 can be selected from a suitable material according to specific usage requirements. A synchronization component is provided between the two bundling frames 41.

[0026] Specifically, the synchronization component includes a transmission plate 51 rotatably connected to the processing table 1, and transmission bars 52 are rotatably connected to both sides of the transmission plate 51. The two transmission bars 52 are rotatably connected to the corresponding bundling frames 41 respectively. By setting the transmission plate 51 and the transmission bar 52, the bundling frames 41 on both sides can be driven to move synchronously in opposite directions, so as to bundle different parts of the rolled tinplate rolls.

[0027] In an embodiment further provided by the present invention, the unlocking mechanism includes a double-sided inclined plate 61 and two wedge blocks 62 fixedly connected to the bundling frame 41; the double-sided inclined plate 61 contacts the corresponding conical block 26 during its movement, and a first inclined groove 63 is provided on both sides of each pressure arm plate 13. The wedge block 62 contacts the corresponding first inclined groove 63 during its movement. Both sides of the double-sided inclined plate 61 are arranged in an inclined shape, which is convenient in that when the conical block 26 contacts, it can abut against the conical block 26 to move upward. The two wedge blocks 62 are respectively arranged on both sides of the bundling frame 41, so that when the bundling frame 41 moves to the bundling position and in the stroke of resetting after the bundling is completed, the clamping assembly can be triggered to move and unlock. One side of the two wedge blocks 62 is on the same plane as the side of the bundling frame 41, so that the pressure arm plate 13 abutted by the wedge block 62 can abut on the bundling frame 41 until the bundling frame 41 passes completely.

[0028] Furthermore, the driving mechanism includes a mounting plate 71 fixedly connected to the slitting knife 33, an incomplete tooth plate 72 fixedly connected to the mounting plate 71, and the mounting plate 71 and the incomplete tooth plate 72 both slide horizontally on the processing table 1 to improve the stability of the incomplete tooth plate 72 when moving; an auxiliary rod 73 is rotatably connected to the bundling frame 41, a disc 74 is fixedly connected to the auxiliary rod 73, a gear ring 75 is rotatably connected to the auxiliary rod 73, the incomplete tooth plate 72 contacts the gear ring 75 during its movement, the tooth gap distance set on the incomplete tooth plate 72 requires the distance between the two gear rings 75 to be consistent, a belt 76 is arranged between the auxiliary rod 73 and the rotating rod 42, sprockets compatible with the belt 76 are arranged on the auxiliary rod 73 and the rotating rod 42, and a one-way component is arranged between the gear ring 75 and the disc 74.

[0029] Furthermore, the one-way component includes a plurality of T-shaped wedge blocks 81 vertically slidably connected to the gear ring 75, and a suspension spring 82 is fixedly connected between each T-shaped wedge block 81 and the gear ring 75; a plurality of second inclined grooves 83 are provided on the disc 74, and each T-shaped wedge block 81 is snap-fitted with the corresponding second inclined groove 83, and a groove matching the T-shaped wedge block 81 needs to be provided on the gear ring 75, and the plurality of T-shaped wedge blocks 81 are distributed in a circular array with the auxiliary rod 73 as the center, and one side of the T-shaped wedge block 81 and one side of the second inclined groove 83 are both arranged to be inclined, and the corresponding other side is arranged to be flat.

[0030] In an embodiment further provided by the present invention, the connecting component includes an L-shaped baffle 91 and a reset plate 92 fixedly connected to a bundling frame 41 on one side. The bundling frame 41 contacts the L-shaped baffle 91 and the reset plate 92 in turn during its movement. The cutting component will contact the L-shaped baffle 91 only after it moves a certain distance to one side. The distance moved by the cutting component is the distance that the cutting component cuts off the connection of the tin-plated sheet. The movement of the L-shaped baffle 91 drives the bundling frame 41 to move synchronously, so that the reset plate 92 moves synchronously. When the bundling frame 41 is reset, it will also move a certain distance before contacting the reset plate 92. This distance is the distance that the cutting component moves through the driving mechanism to drive the bundling component to work, and the rolled tin-plated sheets are all bundled. The contact between the cutting component and the reset plate 92 also drives the L-shaped baffle 91 to reset through the bundling frame 41.

[0031] A winding device comprises the above-mentioned tin-plated sheet winding pressure arm assembly.

[0032] Working principle: during operation, the winding roller to be wound is installed on the processing table 1, and the moving block 11 is driven to move by starting the external driving source until the pressure arm plate 13 on the moving block 11 contacts the tin-plated sheet wound on the winding roller. During the winding process, the external driving source drives the moving block 11 to move slowly, and it is necessary to keep the pressure arm plate 13 always in contact with the outer side of the tin-plated sheet roll that is continuously wound. When the winding is completed, the external driving source is driven to drive the installation frame 32 in the cutting assembly to drive the slitting knife 33 to move, and the connected tin-plated sheet is cut. After the cutting is completed, the installation frame 32 drives the slitting knife 33 to continue to move a certain distance. At this time, the installation frame 32 will contact the L-shaped baffle 91 when it moves, and drive the L-shaped baffle 91 to move synchronously. The movement of the L-shaped baffle 91 will pull the bundling frame 41 on one side to move, and the bundling frame 41 will move toward the rolled tin-plated sheet roll; When the bundling frame 41 moves, the double-sided inclined plate 61 fixed thereon will contact the conical block 26 on the extension rod 25, and squeeze the conical block 26 to drive the extension rod 25 to move toward the inside of the moving block 11. At this time, the support spring 27 connected between the conical block 26 and the moving block 11 is compressed, and the extension rod 25 enters the moving block 11 and moves through the second moving plate 23 connected thereto, thereby driving the cross frame 21 to rotate and drive the first moving plate 22 connected to the other end to move synchronously in the opposite direction. The movement of the limit column 22 drives the fixed limit column 24 on it to move downward and separate from the pressure arm plate 13. At this time, the pressure arm plate 13 is only supported by the connecting spring 12. At the same time, the wedge block 62 connected to the bundling frame 41 will contact the first inclined groove 63 on the pressure arm plate 13 and push the pressure arm plate 13 to retract into the moving block 11. At the same time, the bundling frame 41 continues to move. The squeezed pressure arm plate 13 will move from the wedge block 62 on one side to the bundling frame 41 and then move to the side of the wedge block 62 on the other side until After the strapping frame 41 drives the wedge block 62 to completely disengage, the restoring force of the connecting spring 12 drives the pressure arm plate 13 to squeeze the tin-plated sheet roll again, and the double-sided inclined plate 61 is separated from the conical block 26. At this time, the conical block 26 is reset under the restoring force of the supporting spring 27, and the cooperation of the first moving plate 22, the second moving plate 23 and the cross frame 21 drives the limit column 24 to be clamped on the pressure arm plate 13 again, and it can be fixed. When the cutting assembly moves for cutting, it will be brought by the mounting plate 71. The incomplete tooth plate 72 moves, and the incomplete tooth plate 72 moves to contact the gear ring 75 provided on the auxiliary rod 73, and drives the gear ring 75 to rotate. When the gear ring 75 rotates, it drives the T-shaped wedge 81 provided inside thereof to rotate synchronously. Since the direction of rotation of the gear ring 75 is that the inclined surface of the T-shaped wedge 81 contacts the inclined surface of the second inclined groove 83, at this time, the T-shaped wedge 81 will squeeze the suspension spring 82 and move upward, and separate from the second inclined groove 83. At this time, the rotation of the gear ring 75 does not drive the auxiliary rod 73 to rotate synchronously; Until the bundling frame 41 moves to a suitable position, the driving source drives the cutting assembly to move in the opposite direction and reset. At this time, the cutting assembly is not in contact with the L-shaped baffle 91, and the cutting assembly drives the incomplete tooth plate 72 to reset through the mounting plate 71. At this time, the incomplete tooth plate 72 contacts the gear ring 75 again. At this time, the incomplete tooth plate 72 drives the gear ring 75 to rotate in the direction that the plane of the T-shaped wedge block 81 contacts the plane side of the second inclined groove 83, and is blocked by the T-shaped wedge block 81, so that the auxiliary rod 73 rotates with the rotation of the gear ring 75. The auxiliary rod 73 rotates through the belt 76 to drive the rotating rod 42 to rotate, and the rotating rod 42 rotates to drive the clamping member 43 to rotate, so that the bundling wire 44 can be twisted to bundle the rolled tinplate rolls. After the bundling is completed, the clamping member 43 is separated from the bundling wire 44, and the clamping member 43 is driven to reset and move under the action of the bundling frame 41. At this time, the bundling frame 41 will contact the reset plate 92 and push the reset plate 92 to move. The movement of the reset plate 92 drives the bundling frame 41 and the L-shaped baffle 91 to move synchronously and reset.

[0033] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A tinplate coiling and pressing arm assembly, comprising a processing table (1), characterized in that: A moving block (11) is slidably connected to the processing table (1) in a transverse manner, a plurality of pressure arm plates (13) are installed in the moving block (11) via a plurality of connecting springs (12), and a plurality of groups of clamping components are also arranged in the moving block (11), each of the clamping components is clamped and matched with a corresponding pressure arm plate (13); It also includes a cutting assembly and a bundling mechanism, both of which are arranged on the processing table (1); After winding, the cutting assembly has the following three stations: At the first workstation, the cutting assembly moves to cut the tin-plated sheet, and drives the strapping mechanism to move onto the rolled sheet roll through the connecting assembly. The strapping mechanism moves and triggers the unlocking of the clamping assembly in turn through the unlocking mechanism. When the strapping mechanism has completed its movement, the clamping assembly fixes the pressure arm plate (13) again to achieve squeezing of the sheet roll. At the second station, the cutting assembly is reset, and the driving mechanism drives the bundling mechanism to move and bundle the wound tinplate coils; At the third station, the cutting assembly continues to reset, and the strapping mechanism is driven to reset again through the connecting assembly.

2. The tinplate coiling and pressing arm assembly according to claim 1, characterized in that: The clamping assembly comprises a cross frame (21) rotatably connected to the moving block (11), and a first moving plate (22) and a second moving plate (23) are respectively provided on two sides of the cross frame (21); The first movable plate (22) and the second movable plate (23) are both slidably connected in the movable block (11); a limiting column (24) is fixedly connected to the first movable plate (22); an extension rod (25) is fixedly connected to the second movable plate (23); one end of the extension rod (25) is fixedly connected to a conical block (26); a support spring (27) is fixedly connected between the conical block (26) and the movable block (11); the elastic force of the support spring (27) drives the limiting column (24) to engage with the corresponding pressure arm plate (13).

3. The tinplate coiling and pressing arm assembly according to claim 1, characterized in that: The cutting assembly comprises a limit frame (31) fixedly connected to the processing table (1), a mounting frame (32) being slidably connected to the limit frame (31), and a slitting knife (33) being fixedly connected to the mounting frame (32).

4. The tinplate coiling and pressing arm assembly according to claim 3, characterized in that: The bundling mechanism comprises two bundling frames (41) slidably connected to the processing table (1), and a rotating rod (42) is rotatably connected to each of the two bundling frames (41); The two rotating rods (42) are both fixedly connected with a clamping member (43), the two clamping members (43) are both provided with a tying wire (44), and a synchronization component is provided between the two tying frames (41).

5. The tinplate coiling and pressing arm assembly according to claim 4, characterized in that: The synchronization component comprises a transmission plate (51) rotatably connected to the processing table (1), and transmission bars (52) are rotatably connected to both sides of the transmission plate (51), and the two transmission bars (52) are respectively rotatably connected to corresponding bundling frames (41).

6. The tinplate coiling and pressing arm assembly according to claim 2, characterized in that: The unlocking mechanism comprises a double-sided inclined plate (61) and two wedge-shaped blocks (62) fixedly connected to the bundling frame (41); The double-sided inclined plate (61) contacts the corresponding conical block (26) during its movement, and first inclined grooves (63) are provided on both sides of each of the pressure arm plates (13). The wedge-shaped block (62) contacts the corresponding first inclined grooves (63) during its movement.

7. The tinplate coiling and pressing arm assembly according to claim 4, characterized in that: The driving mechanism comprises a mounting plate (71) fixedly connected to the slitting knife (33), and an incomplete tooth plate (72) is fixedly connected to the mounting plate (71); An auxiliary rod (73) is rotatably connected to the bundling frame (41), a disc (74) is fixedly connected to the auxiliary rod (73), a gear ring (75) is rotatably connected to the auxiliary rod (73), the incomplete tooth plate (72) contacts the gear ring (75) during its movement, a belt (76) is provided between the auxiliary rod (73) and the rotating rod (42), and a one-way component is provided between the gear ring (75) and the disc (74).

8. The tinplate coiling and pressing arm assembly according to claim 7, characterized in that: The one-way assembly comprises a plurality of T-shaped wedges (81) vertically slidably connected in the gear ring (75), and a suspension spring (82) is fixedly connected between each of the T-shaped wedges (81) and the gear ring (75); The circular disk (74) is provided with a plurality of second inclined grooves (83), and each of the T-shaped wedge blocks (81) is engaged with a corresponding second inclined groove (83).

9. The tinplate coiling and pressing arm assembly according to claim 4, characterized in that: The connection assembly comprises an L-shaped baffle plate (91) and a reset plate (92) fixedly connected to a bundling frame (41) on one side; the bundling frame (41) contacts the L-shaped baffle plate (91) and the reset plate (92) in sequence during its movement.

10. A winding device, characterized in that: The winding device comprises a tinplate winding pressure arm assembly as described in any one of claims 1 to 9.

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