Fish scale type feeding mechanism assembly of die-cutting machine

Abstract

The invention discloses a die-cutting machine fish scale type feeding mechanism assembly which comprises a main rack, a paper supporting device, a paper feeding device, a paper blocking plate device, a gap bridge paper conveying device, a gap bridge pressing frame device, a push gauge device and a distribution box, and the main rack provides support for the whole mechanism assembly and comprises a left wall plate and a right wall plate which are oppositely arranged; the paper supporting device, the paper feeding device, the gap bridge paper conveying device and the gauge pushing device are sequentially and fixedly installed on the main machine frame from back to front, the paper blocking plate device is arranged above the paper feeding device, the gap bridge pressing frame device is arranged above the gap bridge paper conveying device, and the distribution box is fixedly installed on the outer side of the main machine frame. And electric kinetic energy is provided for the whole mechanism assembly. According to the mechanical assembly, fish scale type paper feeding operation can be achieved, the slipping phenomenon caused by the high speed of a belt in the paper feeding process is effectively overcome, the stability of paper feeding operation is guaranteed, the single feeding mode is avoided, the paper feeding efficiency is improved, and then the production efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of die-cutting machines, and in particular to a fish-scale feeding mechanism assembly of a die-cutting machine. Background Art

[0002] The working principle of the die-cutting machine is to use a die-cutting knife, a steel knife, a hardware mold and a steel wire (or a template carved from a steel plate) to apply a certain pressure through the stamping plate to roll and cut the printed product or cardboard into a certain shape. It is an important equipment for post-printing packaging processing and molding. The die-cutting material feeding device of the existing die-cutting machine is mostly a coil feeding device, that is, a coil feeding device that feeds the coil wound into a cylindrical shape, which restricts the die-cutting machine's die-cutting processing of the sheet material; and most die-cutting machine feeding devices mostly adopt a single sheet feeding structure. With the development of economy and technology, the single feeding cannot meet the needs of production and processing, resulting in reduced production efficiency. Summary of the invention

[0003] The purpose of the present invention is to solve the deficiencies of the above-mentioned prior art and to provide a fish-scale feeding mechanism assembly for a die-cutting machine.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is: a fish-scale feeding mechanism assembly of a die-cutting machine, including a main frame, a paper supporting device, a paper feeding device, a paper baffle device, a bridge paper feeding device, a bridge pressing device, a push gauge device and a distribution box, wherein the main frame provides support for the entire mechanism assembly, including a left wall panel and a right wall panel arranged relatively to each other, and a support beam is erected between the two. The above-mentioned paper supporting device, paper feeding device, bridge paper feeding device and push gauge device are fixedly installed on the main frame in sequence from back to front, the paper baffle device is arranged above the paper feeding device, and the bridge pressing device is arranged above the bridge paper feeding device. The distribution box is fixedly installed on the outside of the main frame to provide electrical kinetic energy for the entire mechanism assembly.

[0005] Furthermore, the paper supporting device includes supporting side strips, guide rails, a nozzle base, a nozzle frame, a nozzle head, a nozzle head power assembly, a support plate and an outer cover shell, wherein the supporting side strips are provided with two mutually symmetrical ones, which are respectively fixedly installed horizontally on the inner sides of the rear ends of the left wall panel and the right wall panel and extend backwards, and the inner sides of each supporting side strip are fixedly installed with guide rails, and the two ends of the nozzle base are respectively slidably installed on the guide rails on both sides; the nozzle head power assembly includes a first servo motor, a reducer, a nozzle power shaft, a supporting shaft frame, a main synchronous pulley, a driven synchronous pulley and a synchronous belt, the first servo motor is connected to one end of the nozzle power shaft through the reducer, and the nozzle power shaft is rotatably installed on the front side wall of the nozzle base through a vertical bearing seat, and two nozzle power shafts are coaxially fixedly installed on the nozzle power shaft. The main synchronous pulley, the support shaft frame is provided with two, which are symmetrically fixed on the front side surface of the above-mentioned suction nozzle base at intervals, and the front end portion thereof is rotatably installed with a driven synchronous pulley, and a slide rail is installed on the upper end surface of each support shaft frame along its length direction, and a synchronous belt is installed for transmission between the above-mentioned main synchronous pulley and the driven synchronous pulley on the corresponding side; the two ends of the suction nozzle frame are respectively clamped and installed on the two synchronous belts by synchronous belt clamps, and the lower end of the synchronous belt clamp is slidably installed on the above-mentioned slide rails, and the suction nozzle frame can move back and forth with the rotation of the synchronous belt; the suction nozzle head is vertically installed on the suction nozzle frame, and at least one is provided; the outer cover shell is mounted on the outer side of the above-mentioned suction nozzle head power assembly and the suction nozzle frame, and is fixedly installed to the front side of the suction nozzle base; there are multiple support plates, which are fixed on the upper end surface of the suction nozzle base at intervals and extend to the front side.

[0006] Furthermore, the paper feeding device includes a paper feeding guide, a paper feeding roller, an upper paper feeding roller and a paper feeding power assembly, wherein the two ends of the paper feeding roller are rotatably mounted on the left wall panel and the right wall panel respectively through a bearing seat and extend outward from the left and right wall panels, and the two ends of the paper feeding roller are coaxially fixed with active synchronous pulleys; the upper paper feeding roller is arranged above the paper feeding roller, and the two ends thereof are rotatably mounted with paper feeding roller connecting rods, and the other end of the paper feeding roller connecting rod is rotatably mounted on the left and right wall panels on the corresponding side through a connecting rod fixed shaft, and a paper feeding rubber roller is coaxially sleeved on the upper paper feeding roller; the paper feeding power assembly includes a second servo motor, a No. 1 transmission belt, a No. 2 transmission belt, and a double driven synchronous pulley. And a synchronous belt tensioner pulley assembly, wherein the second servo motor is fixedly installed on the inner wall of the left wall panel through a motor base, and its output shaft extends outward from the left wall panel and is coaxially fixedly installed with a small pulley, the small pulley is connected to the active synchronous pulley on the left end side of the above-mentioned paper feed roller through a No. 1 transmission belt, and the active synchronous pulley on the right end side of the paper feed roller is connected to the small synchronous pulley installed on the right end side of the upper paper feed roller through a No. 2 transmission belt and a double driven synchronous pulley, the above-mentioned synchronous belt tensioner pulley assembly is installed on the outer side of the right wall panel, and is used to tighten the transmission of the No. 2 transmission belt; the two ends of the paper feed guide are fixedly installed on the left and right wall panels, located behind the above-mentioned paper feed roller, and flush with it.

[0007] Furthermore, the paper baffle device includes a guide rail support plate, a left baffle assembly, a right baffle assembly and a front baffle plate assembly, wherein both ends of the guide rail support plate are fixedly mounted to the left and right wall panels, the front baffle plate assembly is arranged in the middle position of the guide rail support plate, and the left baffle assembly and the right baffle assembly are respectively located on the left and right sides of the front baffle plate assembly.

[0008] The left side baffle assembly includes a left reduction motor, a left synchronous belt, a left lead screw, a left baffle seat and a left baffle, wherein the left reduction motor is fixedly mounted on the left half of the front side surface of the guide rail support plate, and a No. 1 synchronous pulley is coaxially fixedly mounted on the output shaft end thereof, and the left lead screw is rotatably mounted on the left half of the rear side surface of the guide rail support plate through a lead screw support block, and a No. 2 synchronous pulley is coaxially fixedly mounted on the right end thereof, and is connected to the No. 1 synchronous pulley through a left synchronous belt transmission; a left linear guide rail is also fixedly mounted on the left half of the rear side surface of the guide rail support plate along its length direction, a left sliding block adapted to the left linear guide rail is fixedly mounted on the above-mentioned left baffle seat, and a left lead screw nut rotatably matched with the above-mentioned left lead screw is also fixedly mounted on the left baffle seat; the left side baffle is vertically fixed to the left baffle seat.

[0009] The right baffle assembly comprises a right reduction motor, a right synchronous belt, a right lead screw, a right baffle seat and a right baffle, and its structural arrangement is symmetrical with the structure of the left baffle assembly.

[0010] The front baffle plate assembly includes a front baffle plate and its driving structure, and the driving structure includes a handwheel, a handwheel shaft, a bevel gear set, a bevel gear shaft, a bevel gear set, a vertical short lead screw and a vertical slide rail, wherein the bevel gear shaft is rotatably mounted on the upper end of the guide rail support plate through a shaft seat, a driven bevel gear is coaxially mounted on the left end thereof, and an active bevel gear is coaxially mounted on the right end thereof, the handwheel shaft is rotatably mounted on the outer side of the right wall panel through a worm seat, a handwheel is coaxially fixed at the rear end thereof, and a gear coaxially fixed to the driven bevel gear at the front end thereof The driving bevel gear meshed with the wheel; the vertical short lead screw is rotatably mounted on the rear end face of the guide rail support plate through the lead screw support block, and a driven bevel gear is coaxially fixed on the upper end thereof; two vertical slide rails are provided, which are respectively located on the guide rail support plates on the left and right sides of the above-mentioned vertical short lead screw; a connecting plate is fixedly mounted on the front side wall of the above-mentioned front baffle plate, a sliding block compatible with the above-mentioned vertical slide rail is fixedly mounted on the front side of the connecting plate, and a lead screw nut compatible with the vertical short lead screw is also fixedly mounted on the front side of the connecting plate.

[0011] Furthermore, an adjustable support is fixedly installed on the right baffle seat in the right baffle assembly, and a telescopic cylinder and a guide bearing are provided on the adjustable support. The piston rod of the telescopic cylinder is fixedly connected to the above-mentioned right baffle, and a guide rod is fixedly installed on the right side wall of the right baffle, and the guide rod is inserted into the corresponding guide bearing.

[0012] Furthermore, the bridge paper feeding device includes a bridge plate, a bridge belt, a belt tensioning device, a passive shaft and a lower hair wheel driving structure, wherein the bridge plate is installed on the front side of the left and right wall panels through the paper feeding platform wall panels on both ends, and a fixed beam and a bridge support beam are arranged between the paper feeding platform wall panels on both ends, and the upper end surface of the bridge plate is flush with the top end surface of the paper feed guide plate; the passive shaft is rotatably installed between the two paper feeding platform wall panels, located on the front end side of the bridge plate, and the bridge belt loop feeds the paper roller The belt tensioning device is installed under the bridge plate, including a belt tensioning shaft and multiple sets of tensioning wheel assemblies, wherein the belt tensioning shaft is rotatably installed on the paper feeding platform wall panels on the left and right sides, and multiple sets of tensioning wheel assemblies are fixedly installed on the belt tensioning shaft at intervals, and each set of tensioning wheel assemblies includes two tensioning plates and a tensioning wheel, one end of the two tensioning plates is fixed on the above-mentioned belt tensioning shaft, and the other end is rotatably installed with a tensioning wheel, and the tensioning wheel is rotatably supported on the inner side of the above-mentioned bridge belt.

[0013] The above-mentioned lower wool wheel driving structure is arranged below the bridge plate, and comprises a wool wheel transmission shaft, at least one lower wool wheel, and a wool wheel adjusting device, wherein the wool wheel transmission shaft is rotatably installed between the above-mentioned two paper feed platform wall panels through a wool wheel bearing seat, one end of which extends out of the paper feed platform wall panel and is coaxially fixedly installed with a transmission wheel, and the transmission wheel is transmission-connected to the above-mentioned passive shaft; the lower wool wheel is coaxially fixed on the wool wheel transmission shaft, and a long slot hole is provided on the bridge plate above the installation position of the lower wool wheel, and its width is greater than the width of the lower wool wheel, and the lower wool wheel extends upward from the long slot hole; The wool wheel adjustment device includes a wool wheel adjustment rod, an adjustment rack, a wool wheel tensioner and a wool wheel transmission tensioner, wherein the wool wheel adjustment rod is rotatably mounted on the above-mentioned wool wheel bearing seat, and an adjustment gear is coaxially fixed on its end side, the adjustment rack is fixedly mounted on the inner side of one of the paper feed platform wall panels, and the above-mentioned adjustment gear can engage and move with it, and a wool wheel tensioner is also rotatably mounted on the outer end side of the above-mentioned wool wheel bearing seat, and the above-mentioned wool wheel transmission tensioner is fixedly mounted on the outer side of the paper feed platform wall panel on the same side through a supporting seat, and is transmission connected to the above-mentioned wool wheel tensioner.

[0014] Furthermore, the bridge pressing frame device includes a paper pressing frame, multiple groups of paper pressing guide rods, multiple groups of paper pressing guide strips, an upper paper pressing wool wheel assembly, an upper paper pressing rubber wheel and a telescopic cylinder, wherein the paper pressing frame is placed directly above the above-mentioned bridge plate, and its rear end is rotatably mounted on the front lower part of the above-mentioned left and right wall panels through a frame bracket, and two telescopic cylinders are provided, and their bottom ends are respectively hingedly mounted to the front upper part of the above-mentioned left and right wall panels through cylinder shafts, and the ends of the piston rods in the telescopic cylinders are connected and fixed to the left and right side beams of the above-mentioned paper pressing frame through connecting seats; multiple groups of paper pressing guide rods and multiple groups of paper pressing guide strips are installed on the above-mentioned paper pressing frame at intervals, and their setting direction is parallel to the above-mentioned bridge belt, wherein each group of paper pressing guide rods and multiple groups of paper pressing guide strips are installed on the above-mentioned paper pressing frame at intervals, and their setting direction is parallel to the above-mentioned bridge belt, wherein each group of paper pressing guide rods and multiple groups of paper pressing guide strips are installed on the above-mentioned paper pressing frame at intervals, and their setting direction is parallel to the above-mentioned bridge belt, wherein each group of paper pressing guide rods and multiple groups of paper pressing guide strips are installed on the above-mentioned paper pressing frame at intervals, and their setting direction is parallel to the above-mentioned bridge belt, and ... their The rods are all mounted on the above-mentioned paper pressing frame by clamping blocks, each set of paper pressing guide strips is clamped and fixed on the above-mentioned paper pressing frame by a wheel rod seat, and the installation height of the paper pressing guide strips is lower than the installation height of the paper pressing guide rod; the upper paper pressing wool wheel assembly and the upper paper pressing rubber wheel are jointly installed on one of the above-mentioned paper pressing guide rods, wherein the upper paper pressing wool wheel assembly includes a pressing block, a fixed block, a swing rod, a compression spring, and an upper wool wheel, and the upper paper pressing rubber wheel includes a pressing block, a fixed block, a swing rod, a compression spring and an upper rubber wheel, the pressing block and the fixed block are relatively arranged, clamped and fixed on the paper pressing guide rod, the upper end of the swing rod is rotatably installed on the fixed block, the compression spring is installed between the swing rod and the fixed block, and the upper wool wheel or the upper rubber wheel is rotatably installed on the corresponding lower end of the swing rod.

[0015] Furthermore, the push gauge device includes a push gauge support plate, a baffle, a driving motor, a transmission side push gauge, a push gauge guide rod, an operating side push gauge and a plurality of paper support plates, wherein two push gauge support plates are provided, which are arranged parallel to each other and spaced apart, and fixedly installed on the front end side of the above-mentioned paper feed platform wall plate; the baffle is fixedly installed above the two push gauge support plates, located in the middle position therebetween; a driving motor is fixedly installed at the bottom of the baffle, and a ball screw is coaxially transmitted with the output shaft end of the driving motor, and a screw nut matched with the ball screw is fixed to an adjusting rod fixing seat, and the adjusting rod fixing seat is slidably installed on the push gauge support plate, and a push gauge guide rod is clamped and fixed on the other side thereof; two guide rail shafts are also fixedly mounted between the above-mentioned two push gauge support plates, both of which are parallel to the push gauge support plates, and are respectively located on the left and right sides of the above-mentioned baffle, and a transmission side push gauge and an operating side push gauge are respectively slidably installed on the two guide rail shafts, and the two ends of the above-mentioned push gauge guide rod are respectively connected to the above-mentioned transmission side push gauge and the operating side push gauge.

[0016] Furthermore, a protective cover shell is fixedly installed on the outer side of the above-mentioned main frame and the paper feed platform wall panel; an upper cover shell is fixedly installed on the outer side of the reduction motor and the driving structure in the paperboard retaining device; and a front retaining cover shell is fixedly installed behind the paper feed guide.

[0017] Compared with the prior art, the present invention has the following beneficial effects: the mechanical assembly of the present invention can realize fish-scale paper feeding operation, effectively overcome the slippage phenomenon caused by the fast belt speed during the paper feeding process, ensure the stability of the paper feeding operation, and avoid the single feeding mode, thereby improving the paper feeding efficiency and thus improving the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 It is a structural schematic diagram of the paper supporting device in the present invention;

[0020] Figure 3 It is a schematic diagram of the internal structure of the paper supporting device in the present invention;

[0021] Figure 4 It is a structural diagram of the paper feeding device and the paper retaining device in the present invention;

[0022] Figure 5 It is a front structural diagram of the paper feeding device and the paper retaining device in the present invention;

[0023] Figure 6 It is a structural diagram of the bridge paper feeding device, the bridge pressing device and the push gauge device in the present invention;

[0024] Figure 7 for Figure 6 Isometric view of the mid-structure;

[0025] Figure 8 It is a bottom structure diagram of the bridge paper feeding device in the present invention;

[0026] Fig. 9 for Figure 8 Southeast axis view of the middle structure;

[0027] In the figure: 1, main frame, 2, paper support device, 3, paper feeding device, 4, paperboard stopper device, 5, bridge paper feeding device, 6, bridge frame pressing device, 7, push gauge device, 8, distribution box, 9, supporting legs, 10, protective cover shell, 11, left wall panel, 12, right wall panel;

[0028] 21. Support side bar, 22. Guide rail, 23. Suction nozzle base, 24. Suction nozzle frame, 25. Suction nozzle head, 26. Suction nozzle head power assembly, 27. Support plate, 28. Outer cover shell, 29. Auxiliary feeding roller, 231. Aluminum profile slide rail, 261. First servo motor, 262. Reducer, 263. Suction nozzle power shaft, 264. Main synchronous pulley, 265. Support shaft frame, 266. Driven synchronous pulley, 267. Synchronous belt, 268. Slide rail, 269. Travel switch, 281. Long strip groove;

[0029] 31. paper feed guide plate, 32. paper feed roller, 33. upper paper feed roller, 34. paper feed power assembly, 35. paper feed rubber roller, 36. active synchronous pulley, 37. small pulley, 38. paper feed roller connecting rod, 39. front baffle cover, 341. second servo motor, 342. No. 1 transmission belt, 343. synchronous belt tensioner assembly, 344. No. 2 transmission belt, 345. dual driven synchronous pulleys, 346. motor base;

[0030] 41. Guide rail support plate, 42. Left baffle assembly, 43. Right baffle assembly, 44. Front baffle plate assembly, 421. Left reduction motor, 422. Left synchronous belt, 423. Left lead screw, 424. Left baffle seat, 425. Left baffle, 426. Left linear guide, 431. Right reduction motor, 432. Right synchronous belt, 433. Right lead screw, 434. Right baffle seat, 435. Right baffle, 436. Telescopic cylinder, 437. Guide bearing, 438. Right linear guide, 441. Front baffle plate, 442. Hand wheel, 443. Hand wheel shaft, 444. Bevel gear set, 445. Bevel gear shaft, 446. Bevel gear set;

[0031] 51. Left paper feed platform wall panel, 52. Right paper feed platform wall panel, 53. Bridge plate, 54. Bridge belt, 55. Passive shaft, 56. Belt tensioning device, 57. Lower wool wheel driving structure, 58. Fixed beam, 531. Long slot hole, 561. Belt tensioning shaft, 562. Tensioning plate, 563. Tensioning wheel, 564. Tensioning plate shaft, 565. Tensioning shaft support, 571. Woolen wheel transmission shaft, 572. Lower wool wheel, 573. Transmission wheel, 574. Active transmission wheel, 575. Woolen wheel transmission tensioning wheel, 576. Woolen wheel bearing seat, 577. Adjustment rack, 578. Woolen wheel adjustment rod, 579. Adjustment gear;

[0032] 61. paper pressing frame, 62. frame bracket, 63. paper pressing guide rod, 64. paper pressing guide strip, 65. upper paper pressing wool wheel assembly, 66. upper paper pressing rubber wheel, 67. telescopic cylinder, 68. foot, 69. clamping block;

[0033] 71. Push gauge support plate, 72. Baffle plate, 73. Guide rail shaft, 74. Paper support plate, 75. Push gauge on the operating side. DETAILED DESCRIPTION

[0034] It should be noted that, in the description of the present invention, terms such as "up", "down", "left", "right", "front", "back", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are relational words determined only for the convenience of describing the structural relationships of the various components in the present invention. They do not specifically mean that any component in the present invention must have a specific direction, be constructed and operated in a specific direction, and should not be understood as a limitation on the present invention.

[0035] In addition, in the invention, the descriptions such as "first" and "second" are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the invention. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features.

[0036] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", etc. should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] The specific embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings:

[0038] like Figure 1 As shown, a fish-scale feeding mechanism assembly of a die-cutting machine includes a main frame 1, a paper supporting device 2, a paper feeding device 3, a paperboard blocking device 4, a bridge paper feeding device 5, a bridge pressing device 6, a push gauge device 7 and a distribution box 8, wherein the main frame 1 provides support for the entire mechanism assembly, including a left wall panel 11 and a right wall panel 12 arranged relatively, and a plurality of support beams are fixedly arranged between the two to increase their stability, and a plurality of legs 9 are provided at the bottom of the left wall panel 11 and the right wall panel 12 to increase the use height of the entire mechanism assembly; the above-mentioned paper supporting device 2, paper feeding device 3, bridge paper feeding device 5 and push gauge device 7 are fixedly installed on the main frame 1 in sequence from back to front, the paperboard blocking device 4 is arranged above the paper feeding device 3, the bridge pressing device 6 is arranged above the bridge paper feeding device 5, and the distribution box 8 is fixedly installed on the outside of the main frame 1 to provide electric kinetic energy for the entire mechanism assembly and control the operation of the entire mechanism assembly.

[0039] Combination Figure 2 and Figure 3As shown, the paper supporting device 2 includes a supporting side bar 21, a guide rail 22, a nozzle base 23, a nozzle frame 24, a nozzle head 25, a nozzle head power assembly 26, a support plate 27 and an outer cover shell 28, wherein the supporting side bar 21 is provided with two mutually symmetrical ones, which are respectively fixedly installed horizontally on the inner side of the rear ends of the left wall panel 11 and the right wall panel 12 and extend backwards, and the inner side of each supporting side bar 21 is fixedly installed with a guide rail 22 along its length direction, and the two ends of the nozzle base 23 are respectively slidably installed on the guide rails 22 on both sides; the nozzle head power assembly 26 includes a first servo motor 261, a reducer 262, and a nozzle power shaft 263. , a support shaft frame 265, a main synchronous pulley 264, a driven synchronous pulley 266 and a synchronous belt 267, the first servo motor 261 is fixedly mounted on the front end surface of the above-mentioned nozzle base 23, and its output shaft is connected to the left end of the nozzle power shaft 263 through a reducer 262, and the nozzle power shaft 263 is rotatably mounted on the front side wall of the above-mentioned nozzle base 23 through two opposite vertical bearing seats, and two main synchronous pulleys 264 are coaxially fixedly mounted on the nozzle power shaft 263; the support shaft frame 265 is provided with two, which are symmetrically fixed on the front side surface of the above-mentioned nozzle base 23 at intervals, and a driven synchronous pulley 266 is rotatably mounted on the front end portion thereof Synchronous pulley 266, a slide rail 268 is installed on the upper end surface of each supporting shaft frame 265 along its length direction, and a synchronous belt 267 is installed for transmission between the above-mentioned main synchronous pulley 264 and the driven synchronous pulley 266 on the corresponding side; the two ends of the nozzle frame 24 are respectively clamped and installed on the two synchronous belts 267 through synchronous belt clamps, and at the same time, the lower end of the synchronous belt clamp is slidably installed on the slide rail 268 on the corresponding side, and a travel switch 269 is also fixedly installed on the supporting shaft frame 265, which is connected to the above-mentioned first servo motor 261 through a signal, and the signal controls the reciprocating rotation of the first servo motor 261 through contact with the above-mentioned synchronous belt clamp. Operation, so that the above-mentioned suction nozzle frame 24 can move forward and backward with the rotation of the synchronous belt 267; the suction nozzle head 25 is vertically installed on the suction nozzle frame 24, and at least one is provided; the outer cover shell 28 is sleeved on the outer side of the above-mentioned suction nozzle head power component 26 and the suction nozzle frame 24, and is fixed to the front side of the suction nozzle base 23 by bolts, and a plurality of long grooves 281 compatible with the above-mentioned suction nozzle head 25 are provided on its upper side wall, and the above-mentioned suction nozzle head 25 extends upward from the corresponding long grooves 281 and can slide back and forth therein; the above-mentioned support plates 27 are provided with a plurality of them, which are fixed at intervals on the upper end surface of the suction nozzle base 23 and extend toward the front side, and are used to support the feeding cardboard.

[0040] Combination Figure 4 and Figure 5As shown, the paper feeding device 3 includes a paper feeding guide plate 31, a paper feeding roller 32, an upper paper feeding roller 33 and a paper feeding power assembly 34, wherein the two ends of the paper feeding roller 32 are rotatably mounted on the left wall panel 11 and the right wall panel 12 through bearing seats respectively, and extend outwardly from the left and right wall panels, and the two ends of the paper feeding roller 32 are coaxially fixed with active synchronous pulleys 36; the upper paper feeding roller 33 is arranged above the paper feeding roller 32, and its two ends extend out of the left and right wall panels on the corresponding sides respectively, and a paper feeding roller connecting rod 38 is rotatably mounted through a bearing, and the other end of the paper feeding roller connecting rod 38 is rotatably mounted on the left and right wall panels on the corresponding side through a connecting rod fixing shaft; the upper paper feeding roller 33 is also coaxially sleeved with two spaced paper feeding rubber rollers 35. The paper feeding power assembly 34 includes a second servo motor 341, a No. 1 transmission belt 342, a No. 2 transmission belt 344, a dual driven synchronous pulley 345 and a synchronous belt tensioner assembly 343, wherein the second servo motor 341 is fixedly mounted on the inner wall of the left wall panel 11 through a motor base 346, and its output shaft extends outward from the left wall panel 11 and is coaxially fixedly mounted with a small pulley 37, the small pulley 37 is connected to the active synchronous pulley 36 on the left end side of the above-mentioned paper feeding roller 32 through the No. 1 transmission belt 342, thereby driving the paper feeding roller 32 to rotate; the active synchronous pulley 36 on the right end side of the paper feeding roller 32 is connected to the small synchronous pulley installed on the right end side of the upper paper feeding roller 33 through the No. 2 transmission belt 344 and the dual driven synchronous pulleys 345, and the above-mentioned synchronous belt tensioner assembly 343 is installed on the outer side of the right wall panel 12, and is used to tighten the transmission of the No. 2 transmission belt 344. The two ends of the paper feed guide plate 31 are fixedly mounted on the left and right wall panels by bolts, and are located behind the paper feed roller 32 and flush with the upper cut surface.

[0041] The paper baffle device 4 includes a guide rail support plate 41, a left baffle assembly 42, a right baffle assembly 43 and a front baffle plate assembly 44, wherein both ends of the guide rail support plate 41 are fixedly mounted on the left and right wall panels and installed vertically, and the front baffle plate assembly 44 is arranged in the middle position of the guide rail support plate 41, and the left baffle assembly 42 and the right baffle assembly 43 are respectively slidably mounted on the guide rail support plate 41 on the left and right sides of the front baffle plate assembly 44.

[0042] Specifically, the left baffle assembly 42 includes a left reduction motor 421, a left synchronous belt 422, a left lead screw 423, a left baffle seat 424 and a left baffle 425, wherein the left reduction motor 421 is fixedly mounted on the left half of the front side of the guide rail support plate 41, and a first synchronous pulley is coaxially fixedly mounted on the output shaft end thereof, the left lead screw 423 is rotatably mounted on the left half of the rear side of the guide rail support plate 41 through a lead screw support block, and a second synchronous pulley is coaxially fixedly mounted on the right end thereof, and the second synchronous pulley is connected to the first synchronous pulley through the left synchronous belt 422, and the left lead screw is driven by the left reduction motor 421 423 rotates; the left half of the rear side surface of the guide rail support plate 41 is also fixedly installed with a left linear guide rail 426 along its length direction, and the left baffle seat is fixedly installed with a left sliding block adapted to the left linear guide rail 426, and the left baffle seat is also fixedly installed with a left screw nut rotatably matched with the left screw 423, so that the left baffle seat is slidably installed on the left linear guide rail 426 and rotatably matched with the left screw 423, and the rotation of the left screw 423 drives the left baffle seat to slide left and right along the left linear guide rail 426; the left baffle 425 is vertically fixed on the left baffle seat.

[0043] The right baffle assembly 43 includes a right reduction motor 431, a right synchronous belt 432, a right lead screw 433, a right baffle seat 434 and a right baffle 435. Its structural arrangement is symmetrical with that of the above-mentioned left baffle assembly 42. There is also a difference between the two in that the right baffle 435 is movably mounted on the corresponding right baffle seat 434, and an adjustable support is fixedly mounted on the right baffle seat 434. A telescopic cylinder 436 and a guide bearing 437 are fixedly mounted on the adjustable support, wherein the piston rod of the telescopic cylinder 436 passes through the adjustable support and is fixedly connected to the above-mentioned right baffle 435. A guide rod is also fixedly mounted on the right side wall of the right baffle 435, and the guide rod is slidably inserted into the corresponding guide bearing 437, and the position of the right baffle 435 is adjusted by the telescopic movement of the telescopic cylinder 436.

[0044] The front baffle plate assembly 44 includes a front baffle plate 441 and its driving structure, which includes a handwheel 442, a handwheel shaft 443, a bevel gear set 444, a bevel gear shaft 445, a bevel gear set 446, a vertical short lead screw and a vertical slide rail, wherein the bevel gear shaft 445 is rotatably mounted on the upper end of the guide rail support plate 41 through a shaft seat, a driven bevel gear is coaxially mounted on the left end thereof, and an active bevel gear is coaxially mounted on the right end thereof, the handwheel shaft 443 is rotatably mounted on the outer side of the right wall panel 12 through a worm seat, a handwheel 442 is coaxially fixed at its rear end, and an active bevel gear meshing with the driven bevel gear is coaxially fixed at its front end. gear; the vertical short lead screw is rotatably installed on the rear end face of the guide rail support plate 41 through a lead screw support block, and a driven bevel gear is coaxially fixed on the upper end thereof; two vertical slide rails are provided, which are respectively located on the guide rail support plate 41 on the left and right sides of the vertical short lead screw; a connecting plate is fixedly installed on the front side wall of the front baffle plate 441, and a sliding block compatible with the vertical slide rail is fixedly installed on the front side of the connecting plate, and a lead screw nut compatible with the vertical short lead screw is also fixedly installed on the front side of the connecting plate, and by turning the hand wheel 442, the transmission drives the rotation of the vertical short lead screw, thereby adjusting the upper and lower heights of the front baffle plate 441.

[0045] Combination Figures 6 to 9 As shown, the bridge paper feeding device 5 comprises a bridge plate 53, a bridge belt 54, a belt tensioning device 56, a driven shaft 55 and a lower wool wheel driving structure 57, wherein the bridge plate 53 is installed on the front side of the left and right wall panels through the left and right wall panels 51 and 52 at both ends of the bridge plate 53, wherein a fixed beam 58 and a plurality of bridge support beams are arranged between the left and right wall panels 51 and 52, and the upper end surface of the bridge plate 53 is flush with the top end surface of the paper feed guide plate 31. The driven shaft 55 is rotatably installed between the two paper feed wall panels through a bearing seat and is located at the front end side of the bridge plate 53; the bridge belt 54 is provided with at least two, all of which are installed around the paper feed roller 32, the bridge plate 53 and the driven shaft 55. The belt tensioning device 56 is installed below the bridge plate 53, and includes a belt tensioning shaft 561 and multiple sets of tensioning wheel assemblies, wherein the belt tensioning shaft 561 is rotatably installed on the left paper feeding platform wall panel 51 and the right paper feeding platform wall panel 52 through a tensioning shaft support 565, and multiple sets of tensioning wheel assemblies are fixedly installed on the belt tensioning shaft 561 at intervals, and each set of tensioning wheel assemblies includes two tensioning plates 562 and a tensioning wheel 563, one end of the two tensioning plates 562 is fixed on the above-mentioned belt tensioning shaft 561, and the two are connected and clamped by a tensioning plate shaft rod 564, and the other end thereof is rotatably installed with a tensioning wheel 563, and the tensioning wheel 563 in one set of tensioning wheel assemblies is rotatably supported on the inner side of the above-mentioned bridge belt 54 to ensure that the installation positions between the two correspond, and the corresponding tensioning wheel assembly is selected according to the installation position of the bridge belt 54, so that the bridge belt 54 tensions the friction paper feed roller 32 and the passive shaft 55 to ensure the synchronous rotation of the two.

[0046] The above-mentioned lower wool wheel driving structure 57 is also arranged below the bridge plate 53, including a wool wheel transmission shaft 571, at least one lower wool wheel 572, and a wool wheel adjustment device, wherein the wool wheel transmission shaft 571 is rotatably installed between the above-mentioned two paper feed platform wall panels through a wool wheel bearing seat 576, one end of which extends out of the left paper feed platform wall panel 51 and is coaxially fixedly installed with a transmission wheel 573, the transmission wheel 573 is transmission-connected to the above-mentioned passive shaft 55, and an active transmission wheel 574 is fixedly installed on the same side of the passive shaft 55, and is driven by a belt to the transmission wheel 573; the lower wool wheel 572 is coaxially fixed on the wool wheel transmission shaft 571, and at the same time, a long slot hole 531 is provided on the bridge plate 53 above the installation position of the lower wool wheel 572, and its width is slightly larger than the width of the lower wool wheel 572, and the lower wool wheel 572 can extend upward from the long slot hole 531. The wool wheel adjustment device includes a wool wheel adjustment rod 578, an adjustment rack 577, a wool wheel tensioner and a wool wheel transmission tensioner 575, wherein the wool wheel adjustment rod 578 is rotatably mounted on the above-mentioned wool wheel bearing seat 576, and an adjustment gear 579 is coaxially fixed on its end side, and the adjustment rack 577 is fixedly mounted on the inner side of the paper feed platform wall panel on the same side, and the adjustment gear 579 can engage and move therewith; a wool wheel tensioner is also rotatably mounted on the outer end side of the above-mentioned wool wheel bearing seat 576, and the above-mentioned wool wheel transmission tensioner 575 is fixedly mounted on the outer side of the left paper feed platform wall panel 51 on the same side through a supporting seat, and is transmission connected to the above-mentioned wool wheel tensioner.

[0047] The bridge pressing frame device 6 includes a paper pressing frame 61, multiple groups of paper pressing guide rods 63, multiple groups of paper pressing guide strips 64, an upper paper pressing wool wheel assembly 65, an upper paper pressing rubber wheel 66 and a telescopic cylinder 67, wherein the paper pressing frame 61 is placed directly above the bridge plate 53 and is a square frame structure, and its rear end is rotatably mounted on the front lower part of the left and right wall panels through two frame brackets 62; the telescopic cylinder 67 is provided with two, and its bottom ends are respectively hingedly mounted to the front upper part of the left and right wall panels through cylinder shafts, and the ends of the piston rods in the telescopic cylinders 67 are connected and fixed through a connecting seat. To the left and right side beams of the above-mentioned paper pressing frame 61; multiple groups of paper pressing guide rods 63 and multiple groups of paper pressing guide strips 64 are installed on the above-mentioned paper pressing frame 61 at intervals, and their setting direction is parallel to the above-mentioned bridge belt 54, wherein each group of paper pressing guide rods 63 are clamped and installed on the above-mentioned paper pressing frame 61 through clamping blocks 69, and each group of paper pressing guide strips 64 are clamped and fixed on the above-mentioned paper pressing frame 61 through wheel rod seats, and the installation height of the paper pressing guide strips 64 is lower than the installation height of the paper pressing guide rods 63, and the rear end of each paper pressing guide strip 64 is curved and smoothly set to prevent scratching of paper materials. The upper paper pressing wheel assembly 65 and the upper paper pressing rubber wheel 66 are installed together on one of the above-mentioned paper pressing guide rods 63, wherein the upper paper pressing wheel assembly 65 includes a pressing block, a fixed block, a swing rod, a compression spring, and an upper paper pressing rubber wheel, and the upper paper pressing rubber wheel 66 includes a pressing block, a fixed block, a swing rod, a compression spring and an upper rubber wheel, wherein the pressing block and the fixed block are arranged relative to each other, clamped and fixed on the paper pressing guide rod 63, the upper end of the swing rod is rotatably installed on the fixed block, the compression spring is installed between the swing rod and the fixed block, and the upper paper pressing wheel or the upper rubber wheel is rotatably installed on the corresponding lower end of the swing rod. The front ends of the left and right side beams of the paper pressing frame 61 are also fixedly installed with pads 68.

[0048] The push gauge device 7 includes a push gauge support plate 71, a baffle 72, a drive motor, a transmission side push gauge, a push gauge guide rod, an operation side push gauge 75 and a plurality of paper support plates 74, wherein two push gauge support plates 71 are provided, which are arranged parallel to each other and fixedly installed on the front end side of the left and right paper feed table wall panels; the baffle 72 is fixedly installed above the two push gauge support plates 71 and is located in the middle position therebetween; a drive motor is fixedly installed at the bottom of the baffle 72, and a ball screw is coaxially driven at the output shaft end of the drive motor, and a ball screw is connected to the roller The screw nut matched with the ball screw is fixed to the adjusting rod fixing seat, and the adjusting rod fixing seat is slidably installed on the push gauge support plate 71, and a push gauge guide rod is clamped and fixed on the other side of it; two guide rail shafts 73 are also fixedly mounted between the above-mentioned two push gauge support plates 71, both of which are parallel to the push gauge support plates 71, and are respectively located on the left and right sides of the above-mentioned baffle 72, and a transmission side push gauge and an operating side push gauge 75 are respectively slidably installed on the two guide rail shafts 73, and the two ends of the above-mentioned push gauge guide rod are respectively connected to the above-mentioned transmission side push gauge and the operating side push gauge 75.

[0049] The outer sides of the main frame 1 and the left and right paper feed platform wall panels are fixedly installed with a protective cover shell 10; the outer sides of the reduction motor and the driving structure in the paperboard retaining device 4 are fixedly installed with an upper cover shell; and the rear of the paper feed guide plate 31 is fixedly installed with a front retaining cover shell 39.

[0050] During specific use, the above-mentioned paper supporting device 2 feeds the paper materials into the paper feeding device 3 successively according to the production design requirements. The latter paper material is stacked on the rear half of the former paper material and is gradually transmitted to the bridge paper feeding device 5. Due to the stacking of paper materials, the conveying speed of the bridge belt 54 is reduced to ensure that the paper materials do not slip or deviate; and then the rear end of the paper material in the lower layer is pushed by the lower wool wheel 572 to complete the task of feeding the paper to the die-cutting machine.

[0051] The technical features that have not been described or mentioned in detail in the above technical solutions can be achieved by adopting or referring to the relevant technical solutions in the prior art.

[0052] Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by technicians in this technical field within the essential scope of the present invention should also fall within the protection scope of the present invention.

Claims

1. A fish-scale feeding mechanism assembly for a die-cutting machine, characterized in that: It includes a main frame, a paper supporting device, a paper feeding device, a paper baffle device, a bridge paper feeding device, a bridge pressing device, a gauge pushing device and a distribution box, wherein the main frame provides support for the entire mechanism assembly, and includes a left wall panel and a right wall panel that are relatively arranged, and a support beam is erected between the two. The above-mentioned paper supporting device, paper feeding device, bridge paper feeding device and gauge pushing device are fixedly installed on the main frame in sequence from back to front, the paper baffle device is arranged above the paper feeding device, and the bridge pressing device is arranged above the bridge paper feeding device. The distribution box is fixedly installed on the outside of the main frame to provide electrical kinetic energy for the entire mechanism assembly.

2. The fish-scale feeding mechanism assembly of a die-cutting machine according to claim 1, characterized in that: The paper supporting device comprises a supporting side strip, a guide rail, a suction nozzle base, a suction nozzle frame, a suction nozzle head, a suction nozzle head power assembly, a support plate and an outer cover shell, wherein the supporting side strips are provided with two mutually symmetrical strips, which are respectively fixedly installed horizontally on the inner sides of the rear ends of the left wall panel and the right wall panel and extend backwards, and the inner side of each supporting side strip is fixedly installed with a guide rail, and the two ends of the suction nozzle base are respectively slidably installed on the guide rails on both sides; the suction nozzle head power assembly comprises a first servo motor, a reducer, a suction nozzle power shaft, a supporting shaft frame, a main synchronous pulley, a driven synchronous pulley and a synchronous belt, the first servo motor is connected to one end of the suction nozzle power shaft through a reducer transmission, the suction nozzle power shaft is rotatably installed on the front side wall of the suction nozzle base through a vertical bearing seat, and two main synchronous pulleys are coaxially fixedly installed on the suction nozzle power shaft The step pulley is provided with two support shaft frames, which are symmetrically fixed on the front side surface of the above-mentioned suction nozzle base at intervals, and a driven synchronous pulley is rotatably installed on the front end portion thereof. A slide rail is installed on the upper end surface of each support shaft frame along its length direction, and a synchronous belt is installed for transmission between the above-mentioned main synchronous pulley and the driven synchronous pulley on the corresponding side; the two ends of the suction nozzle frame are respectively clamped and installed on the two synchronous belts by synchronous belt clamping plates, and the lower end of the synchronous belt clamping plates is slidably installed on the above-mentioned slide rails, and the suction nozzle frame can move back and forth with the rotation of the synchronous belt; the suction nozzle head is vertically installed on the suction nozzle frame, and at least one is provided; the outer cover shell is mounted on the outer side of the above-mentioned suction nozzle head power assembly and the suction nozzle frame, and is fixedly installed to the front side of the suction nozzle base; a plurality of support plates are provided, which are fixed on the upper end surface of the suction nozzle base at intervals and extend to the front side.

3. The fish-scale feeding mechanism assembly of a die-cutting machine according to claim 1, characterized in that: The paper feeding device includes a paper feeding guide plate, a paper feeding roller, an upper paper feeding roller and a paper feeding power assembly, wherein the two ends of the paper feeding roller are rotatably mounted on the left wall panel and the right wall panel through a bearing seat respectively, and extend outward from the left and right wall panels, and the two ends of the paper feeding roller are coaxially fixed with active synchronous pulleys; the upper paper feeding roller is arranged above the paper feeding roller, and the two ends thereof are rotatably mounted with paper feeding roller connecting rods respectively, and the other end of the paper feeding roller connecting rod is rotatably mounted on the left and right wall panels on the corresponding side through a connecting rod fixed shaft, and a paper feeding rubber roller is coaxially sleeved on the upper paper feeding roller; the paper feeding power assembly includes a second servo motor, a No. 1 transmission belt, a No. 2 transmission belt, a double driven synchronous pulley and a coaxially mounted paper feeding rubber roller. A step-belt tensioner assembly, wherein the second servo motor is fixedly mounted on the inner wall of the left wall panel through a motor base, and its output shaft extends outward from the left wall panel and is coaxially fixedly mounted with a small pulley, the small pulley is connected to the active synchronous pulley on the left end side of the above-mentioned paper feed roller through a No. 1 transmission belt, and the active synchronous pulley on the right end side of the paper feed roller is connected to the small synchronous pulley installed on the right end side of the upper paper feed roller through a No. 2 transmission belt and a double driven synchronous pulley, the above-mentioned synchronous belt tensioner assembly is mounted on the outer side of the right wall panel, and is used to tighten the transmission of the No. 2 transmission belt; the two ends of the paper feed guide are fixedly mounted on the left and right wall panels, located behind the above-mentioned paper feed roller, and flush with it.

4. The fish-scale feeding mechanism assembly of a die-cutting machine according to claim 3, characterized in that: The baffle plate device comprises a guide rail support plate, a left baffle plate assembly, a right baffle plate assembly and a front baffle plate assembly, wherein both ends of the guide rail support plate are fixedly mounted on the left and right wall panels, the front baffle plate assembly is arranged in the middle of the guide rail support plate, and the left baffle plate assembly and the right baffle plate assembly are respectively located on the left and right sides of the front baffle plate assembly; The left side baffle assembly includes a left reduction motor, a left synchronous belt, a left lead screw, a left baffle seat and a left baffle, wherein the left reduction motor is fixedly mounted on the left half of the front side surface of the guide rail support plate, and a No. 1 synchronous pulley is coaxially fixedly mounted on the output shaft end of the left reduction motor, and the left lead screw is rotatably mounted on the left half of the rear side surface of the guide rail support plate through a lead screw support block, and a No. 2 synchronous pulley is coaxially fixedly mounted on the right end of the left lead screw, and is connected to the No. 1 synchronous pulley through a left synchronous belt transmission; a left linear guide rail is also fixedly mounted on the left half of the rear side surface of the guide rail support plate along its length direction, a left sliding block adapted to the left linear guide rail is fixedly mounted on the above-mentioned left baffle seat, and a left lead screw nut rotatably matched with the above-mentioned left lead screw is also fixedly mounted on the left baffle seat; the left side baffle is vertically fixed to the left baffle seat; The right baffle assembly includes a right reduction motor, a right synchronous belt, a right lead screw, a right baffle seat and a right baffle, and its structural arrangement is symmetrical with the structure of the left baffle assembly; The front baffle plate assembly includes a front baffle plate and its driving structure, and the driving structure includes a handwheel, a handwheel shaft, a bevel gear set, a bevel gear shaft, a bevel gear set, a vertical short lead screw and a vertical slide rail, wherein the bevel gear shaft is rotatably mounted on the upper end of the guide rail support plate through a shaft seat, a driven bevel gear is coaxially mounted on the left end thereof, and an active bevel gear is coaxially mounted on the right end thereof, the handwheel shaft is rotatably mounted on the outer side of the right wall panel through a worm seat, a handwheel is coaxially fixed at the rear end thereof, and a gear coaxially fixed to the driven bevel gear at the front end thereof The driving bevel gear meshed with the wheel; the vertical short lead screw is rotatably mounted on the rear end face of the guide rail support plate through the lead screw support block, and a driven bevel gear is coaxially fixed on the upper end thereof; two vertical slide rails are provided, which are respectively located on the guide rail support plates on the left and right sides of the above-mentioned vertical short lead screw; a connecting plate is fixedly mounted on the front side wall of the above-mentioned front baffle plate, a sliding block compatible with the above-mentioned vertical slide rail is fixedly mounted on the front side of the connecting plate, and a lead screw nut compatible with the vertical short lead screw is also fixedly mounted on the front side of the connecting plate.

5. The fish-scale feeding mechanism assembly of a die-cutting machine according to claim 4, characterized in that: An adjustable support is also fixedly installed on the right baffle seat in the right baffle assembly, and a telescopic cylinder and a guide bearing are provided on the adjustable support. The piston rod of the telescopic cylinder is fixedly connected to the above-mentioned right baffle, and a guide rod is fixedly installed on the right side wall of the right baffle, and the guide rod is inserted into the corresponding guide bearing.

6. The fish-scale feeding mechanism assembly of a die-cutting machine according to claim 3, characterized in that: The bridge paper feeding device comprises a bridge plate, a bridge belt, a belt tensioning device, a passive shaft and a lower hair wheel driving structure, wherein the bridge plate is installed on the front side of the left and right wall plates through the paper feeding platform wall plates on both end sides thereof, a fixed beam and a bridge support beam are arranged between the paper feeding platform wall plates on both end sides, and the upper end surface of the bridge plate is flush with the top end surface of the paper feeding guide plate; the passive shaft is rotatably installed between the two paper feeding platform wall plates and is located on the front end side of the bridge plate, and the bridge belt loop paper feeding roller, the bridge plate and the passive shaft are installed; the belt tensioning device is installed below the bridge plate, and comprises a belt tensioning shaft and a plurality of sets of tensioning wheel assemblies, wherein the belt tensioning shaft is rotatably installed on the paper feeding platform wall plates on the left and right sides, and the plurality of sets of tensioning wheel assemblies are fixedly installed on the belt tensioning shaft at intervals, and each set of tensioning wheel assemblies comprises two tensioning plates and a tensioning wheel, one end of the two tensioning plates is fixed on the belt tensioning shaft, and the other end is rotatably installed with the tensioning wheel, and the tensioning wheel is rotatably supported on the inner side of the bridge belt; The above-mentioned lower wool wheel driving structure is arranged below the bridge plate, and comprises a wool wheel transmission shaft, at least one lower wool wheel, and a wool wheel adjusting device, wherein the wool wheel transmission shaft is rotatably installed between the above-mentioned two paper feed platform wall panels through a wool wheel bearing seat, one end of which extends out of the paper feed platform wall panel and is coaxially fixedly installed with a transmission wheel, and the transmission wheel is transmission-connected to the above-mentioned passive shaft; the lower wool wheel is coaxially fixed on the wool wheel transmission shaft, and a long slot hole is provided on the bridge plate above the installation position of the lower wool wheel, and its width is greater than the width of the lower wool wheel, and the lower wool wheel extends upward from the long slot hole; The wool wheel adjustment device includes a wool wheel adjustment rod, an adjustment rack, a wool wheel tensioner and a wool wheel transmission tensioner, wherein the wool wheel adjustment rod is rotatably mounted on the above-mentioned wool wheel bearing seat, and an adjustment gear is coaxially fixed on its end side, the adjustment rack is fixedly mounted on the inner side of one of the paper feed platform wall panels, and the above-mentioned adjustment gear can engage and move with it, and a wool wheel tensioner is also rotatably mounted on the outer end side of the above-mentioned wool wheel bearing seat, and the above-mentioned wool wheel transmission tensioner is fixedly mounted on the outer side of the paper feed platform wall panel on the same side through a supporting seat, and is transmission connected to the above-mentioned wool wheel tensioner.

7. The fish-scale feeding mechanism assembly of a die-cutting machine according to claim 6, characterized in that: The bridge press frame device comprises a paper pressing frame, multiple groups of paper pressing guide rods, multiple groups of paper pressing guide strips, an upper paper pressing wool wheel assembly, an upper paper pressing rubber wheel and a telescopic cylinder, wherein the paper pressing frame is placed directly above the above-mentioned bridge plate, and its rear end is rotatably mounted on the front lower part of the above-mentioned left and right wall panels through a frame bracket, and two telescopic cylinders are provided, and their bottom ends are respectively hingedly mounted to the front upper part of the above-mentioned left and right wall panels through cylinder shafts, and the ends of the piston rods in the telescopic cylinders are connected and fixed to the left and right side beams of the above-mentioned paper pressing frame through connecting seats; multiple groups of paper pressing guide rods and multiple groups of paper pressing guide strips are installed on the above-mentioned paper pressing frame at intervals, and their setting direction is parallel to the above-mentioned bridge belt, wherein each group of paper pressing guide rods is connected through The clamping block is clamped and installed on the above-mentioned paper pressing frame, each group of paper pressing guide strips is clamped and fixed on the above-mentioned paper pressing frame through the wheel rod seat, and the installation height of the paper pressing guide strip is lower than the installation height of the paper pressing guide rod; the upper paper pressing wool wheel assembly and the upper paper pressing rubber wheel are jointly installed on one of the above-mentioned paper pressing guide rods, wherein the upper paper pressing wool wheel assembly includes a pressing block, a fixed block, a swing rod, a compression spring, and an upper wool wheel, and the upper paper pressing rubber wheel includes a pressing block, a fixed block, a swing rod, a compression spring and an upper rubber wheel, the pressing block and the fixed block are relatively arranged, clamped and fixed on the paper pressing guide rod, the upper end of the swing rod is rotatably installed on the fixed block, the compression spring is installed between the swing rod and the fixed block, and the upper wool wheel or the upper rubber wheel is rotatably installed on the corresponding lower end of the swing rod.

8. The fish-scale feeding mechanism assembly of a die-cutting machine according to claim 6, characterized in that: The push gauge device includes a push gauge support plate, a baffle, a driving motor, a transmission side push gauge, a push gauge guide rod, an operating side push gauge and a plurality of paper support plates, wherein two push gauge support plates are provided, which are arranged parallel to each other and spaced apart, and fixedly installed on the front end side of the above-mentioned paper feeding platform wall plate; the baffle is fixedly installed above the two push gauge support plates, and is located in the middle position therebetween; a driving motor is fixedly installed at the bottom of the baffle, and a ball screw is coaxially transmitted with the output shaft end of the driving motor, and a screw nut matched with the ball screw is fixed to an adjusting rod fixing seat, and the adjusting rod fixing seat is slidably installed on the push gauge support plate, and a push gauge guide rod is clamped and fixed on the other side thereof; two guide rail shafts are also fixedly mounted between the above-mentioned two push gauge support plates, both of which are parallel to the push gauge support plates, and are respectively located on the left and right sides of the above-mentioned baffle, and a transmission side push gauge and an operating side push gauge are respectively slidably installed on the two guide rail shafts, and the two ends of the above-mentioned push gauge guide rod are respectively connected to the above-mentioned transmission side push gauge and the operating side push gauge.

9. The fish-scale feeding mechanism assembly of a die-cutting machine according to claim 6, characterized in that: The outer sides of the main frame and the paper feed platform wall panels are fixedly installed with protective covers; the outer sides of the reduction motor and the driving structure in the paperboard retaining device are fixedly installed with an upper cover; and the rear of the paper feed guide is fixedly installed with a front retaining cover.

Images