Inner core step-by-step feeding and conveying device for diesel filter assembly

Abstract

The invention discloses an inner core step-by-step feeding and conveying device for diesel filter assembly, and relates to the technical field of filter conveying, the inner core step-by-step feeding and conveying device comprises a workbench, the top of the workbench is fixedly connected with a support and a collecting box, the collecting box is arranged on one side of the support, and the side, facing the support, of the collecting box is fixedly connected with a supporting cylinder; the supporting cylinder is arranged at the top of the support, clamping plates are fixedly connected to the tops of the two supporting arms, circular grooves are formed in the opposite sides of the two clamping plates, cover plates are fixedly connected to the tops of the two clamping plates, a sliding rail is fixedly connected to the bottom of the collecting box, and a moving sleeve is slidably connected to the interior of the sliding rail; according to the step-by-step feeding and conveying device for the inner core assembled by the diesel oil filter, the problems of conveying clamping stagnation, alignment deviation, low assembly efficiency and the like existing in a traditional process are effectively solved, and the consistency and the yield of filter core production are remarkably improved.

Description

Technical Field

[0001] The invention relates to the technical field of filter conveying, in particular to a step-by-step feeding and conveying device for an inner core of a diesel filter assembly. Background Art

[0002] In the prior art, a die conveying device for molding automobile filter elements with the authorization announcement number CN117001934A is disclosed. The motor drives the disk shaft to rotate, and the rotation of the disk shaft drives the rotation of the gear shaft, so that the upper and lower molds can be automatically pressed and demolded. Similarly, the rotation of the gear shaft drives the rotation of the special-shaped disk, and the special-shaped disk drives the rotation of the arc-shaped disk, realizing the free rotation of the rotating drum unit by 60°. After the injection molding of a single set of molds at the top of the rotating drum is completed, the replacement of the new mold is automatically completed.

[0003] When used, the above-mentioned solution is prone to jamming or positioning deviation, resulting in insufficient support sleeve molding precision; the assembly process of the filter paper cylinder and the metal support sleeve relies on manual intervention, which is inefficient and inaccurate; the lack of a synchronous control mechanism when multiple components work together causes a disruption in the production rhythm. To achieve key processes such as vertical conveying of metal sheets and radial expansion assembly of filter paper cylinders, multiple independent drive mechanisms are often required, which not only increases the complexity of the equipment but also affects the yield of the finished product due to accumulated transmission errors. These technical bottlenecks have limited the assembly efficiency of diesel filter cores, high production costs, and difficulty in ensuring product quality stability. Summary of the Invention

[0004] The object of the present invention is to provide a step-by-step feeding and conveying device for the inner core of a diesel filter assembly, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a step-by-step feeding and conveying device for assembling the inner core of a diesel filter, comprising a workbench, a support and a collection box fixedly connected to the top of the workbench, the collection box being arranged on one side of the support, the collection box being fixedly connected to a support cylinder facing the support, the support cylinder being arranged on the top of the support, both sides of the bottom of the workbench are rotatably connected to rotating shafts, the outer sides of the two rotating shafts are fixedly connected to guide gears, one end of the two rotating shafts are fixedly connected to support arms, the tops of the two support arms are fixedly connected to splints, the two splints are arranged opposite to each other, and circular grooves are opened on the opposite sides of the two splints, and the two circular grooves are connected to the support cylinder The diameters are adapted, and the tops of the two splints are fixedly connected to a cover plate, the bottom of the collection box is fixedly connected to a slide rail, the inside of the slide rail is slidably connected to a movable sleeve, the top of the movable sleeve is fixedly connected to a support plate, the top of the support plate is fixedly connected to two supporting springs, the tops of the two supporting springs are fixedly connected to a connecting plate, both ends of the connecting plate are fixedly connected to a sliding rod, the two sliding rods pass through the support plate and the movable sleeve and are slidably connected to the support plate and the movable sleeve, the bottom ends of the two sliding rods are fixedly connected to guide rods, and both side walls inside the slide rail are provided with a circular guide groove, and the two guide rods are respectively slidably connected to the inside of the two circular guide grooves and adapted to the two circular guide grooves.

[0006] Preferably, vertical grooves are provided on both side walls of the movable sleeve, and the two guide rods respectively pass through the two vertical grooves and are slidably connected to the two vertical grooves. The two guide rods are respectively slidably connected to the inside of the circular guide groove and are adapted to the circular guide groove. The guide rods are guided by the circular guide groove so that they move along the trajectory of the circular guide groove.

[0007] Preferably, margins are provided at both ends of the circular guide groove, baffles are hinged at the end points of the circular guide groove on both sides of the slide rail, and spring plates are fixedly connected at both ends of the interior of the slide rail. The two spring plates are respectively fitted with two baffles, and the baffles are supported and limited by the spring plates.

[0008] Preferably, a threaded rod is rotatably connected inside the slide rail, a second motor is fixedly connected to one end of the slide rail, an output end of the second motor is fixedly connected to one end of the threaded rod, the threaded rod passes through the movable sleeve and is threadedly connected to the movable sleeve, and the movable sleeve is driven to move by the rotation of the threaded rod, thereby causing the movable sleeve to drive the slide rod to move.

[0009] Preferably, a fixed sleeve is fixedly connected to one side of the bottom of the workbench, a hydraulic cylinder is fixedly connected to the inside of the fixed sleeve, an active gear plate is fixedly connected to the output end of the hydraulic cylinder, a driving gear is fixedly connected to the outside of one of the rotating shafts, and the active gear plate is meshed with the active gear, so that the hydraulic cylinder drives the active gear plate to move, and the active gear plate drives the active gear and the guide gear to rotate.

[0010] Preferably, both sides of the top of the workbench are fixedly connected to a limiting sleeve, the limiting sleeve is slidingly connected to the first tooth plate and the second tooth plate, the limiting sleeve is rotatably connected to the transmission gear, and the transmission gear is respectively engaged with the second tooth plate and the first tooth plate, so that the first tooth plate drives the transmission gear to rotate when it moves, and the transmission gear drives the second tooth plate to move in the opposite direction.

[0011] Preferably, one end of the first tooth plate is fixedly connected to a fixed plate, and the fixed plate passes through the bottom of the slide rail and is slidably connected to the slide rail, and the fixed plate is fixedly connected to the bottom of the movable sleeve, and one end of the second tooth plate is fixedly connected to a push plate, and one side of the top of the push plate is fixedly connected to a paper supporting cylinder, and the diameter of the paper supporting cylinder is larger than the diameter of the supporting cylinder, and the inner wall of the paper supporting cylinder is provided with multiple through grooves in an annular array, and one side of the push plate is fixedly connected to an electric push rod, and the output end of the electric push rod passes through the end wall of the paper supporting cylinder and is slidably connected to the paper supporting cylinder, and the output end of the electric push rod is fixedly connected to the sliding sleeve, and multiple inclined plates are slidably connected to the inside of the sliding sleeve, and multiple limit springs are provided inside the sliding sleeve, and both ends of the limit spring are fixedly connected to the sliding sleeve and the inclined plate, and multiple inclined plates pass through the through slots and are slidably connected to the through slots.

[0012] Preferably, a feed tray is fixedly connected to one end of the top of the workbench, a material guide tray is rotatably connected to the inside of the feed tray, a plurality of grooves are provided in a circular array inside the material guide tray, a first motor is fixedly connected to one side of the feed tray, an output end of the first motor passes through an electric push rod and is rotatably connected to the electric push rod, the output end of the first motor is fixedly connected to the material guide tray, and the material guide tray is driven to rotate by starting the first motor.

[0013] Preferably, a limiting groove is provided at the bottom of the electric push rod, and the push plate and the paper supporting cylinder are adapted to the limiting groove. A conveyor belt is fixedly connected to one side of the top of the electric push rod to facilitate the transmission of the filter paper cylinder.

[0014] Preferably, the collection box is stacked with multiple metal plates, with a discharge chute at the bottom of the front side wall of the collection box. The discharge chute is adapted to fit the metal plates, and the support is flush with the discharge chute. The slide rod passes through the bottom wall of the collection box and is slidably connected to the collection box. The length of the slide rod extending above the bottom wall of the collection box is less than the thickness of a single metal plate. Compared with the prior art, the present invention has the following advantages: When the sheet metal is extended, the sheet metal falls just above the support, and then the hydraulic cylinder is started to drive the active gear plate to move, so that the active gear plate drives the active gear and the rotating shaft to rotate, and then the rotating shaft drives the guide gear to rotate when rotating. Because the two guide gears are meshed with each other, the two rotating shafts rotate in opposite directions, and then the two rotating shafts drive the two supporting arms and the splints to flip upward, so that the two splints make the circular groove contact with the bottom of the metal sheet during the flipping process, thereby pushing both sides of the metal sheet toward the direction of the supporting cylinder, so that the metal sheet is supported and limited under the limit of the supporting cylinder and the circular groove, so that the metal sheet is surrounded by the supporting cylinder to form a metal support sleeve.

[0015] 2. The present invention enables the threaded rod to continue to drive the movable sleeve to move, so that the movable sleeve drives the sliding rod to continue to move when moving, and when the sliding rod drives the guide rod to move to the end of the circular guide groove, the guide rod pushes the baffle to deflect, so that the guide rod moves to the rear side of the baffle, and when the guide rod is disengaged from the baffle, the spring limits the baffle to reset the baffle, and then the vertical slot moves back along the baffle, and then the guide rod moves to the lower section of the circular guide groove, so that the guide rod drives the sliding rod and the connecting plate to descend, compresses the supporting spring, so that the sliding rod descends and disengages from the metal plate, and resets the sliding rod to its initial position, so as to facilitate the conveying of the metal plates one by one.

[0016] 3. This application achieves automated assembly of diesel filter cores through the coordinated operation of multiple components. Its core benefits are: a threaded rod and movable sleeve linkage structure enables precise step-by-step conveying of metal sheets, a hydraulically driven two-way clamp flipping mechanism forms a high-precision metal support sleeve, and a ramp expansion device controlled by a rotating guide plate and an electric push rod completes the radial expansion and axial assembly of the filter paper cylinder. Finally, the filter element is fully formed by limiting the support cylinder and synchronously transferring it with the conveyor belt. This design replaces manual operations with a mechanized structure, effectively solving problems such as conveyor jams, misalignment, and low assembly efficiency that exist in traditional processes, significantly improving the consistency and yield rate of filter element production. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a structural schematic diagram of the support of the present invention; Figure 3 It is a structural schematic diagram of the splint of the present invention; Figure 4 Schematic diagram of the structure of the support arm of the present invention; Figure 5 It is a structural schematic diagram of the discharge chute of the present invention; Figure 6 It is a structural schematic diagram of the fixing plate of the present invention; Figure 7 It is a structural schematic diagram of the collection box of the present invention; Figure 8 It is a structural schematic diagram of the slide rail of the present invention; Figure 9 It is a structural schematic diagram of the mobile sleeve of the present invention; Figure 10 It is a structural schematic diagram of the slide rail of the present invention; Figure 11 For the present invention Figure 10 A magnified view of the structure of part A; Figure 12 Schematic diagram of the structure of the active gear plate of the present invention; Figure 13 This is a schematic structural diagram of the paper supporting tube of the present invention; Figure 14 Schematic diagram of the structure of the sliding sleeve of the present invention; Figure 15 It is a structural schematic diagram of the inclined plate of the present invention; Figure 16 It is a structural schematic diagram of the limiting groove of the present invention; Figure 17 It is a structural schematic diagram of the feed tray of the present invention.

[0018] Reference numerals in the figure: 1, workbench; 2, support; 3, collection box; 301, discharge chute; 4, support cylinder; 5, rotating shaft; 6, guide gear; 7, support arm; 8, clamping plate; 801, circular groove; 9, cover plate; 10, slide rail; 11, movable sleeve; 12, threaded rod; 13, support plate; 14, slide rod; 15, connecting plate; 16, support spring; 17, guide rod; 18, vertical groove; 19, circular guide groove; 20, baffle; 21, spring piece; 22, fixing plate; 23 , first tooth plate; 24, second tooth plate; 25, transmission gear; 26, limiting sleeve; 27, push plate; 28, paper supporting tube; 2801, through slot; 29, sliding sleeve; 30, inclined plate; 31, limiting spring; 32, electric push rod; 3201, limiting slot; 33, guide plate; 3301, groove; 34, first motor; 35, conveyor belt; 36, second motor; 37, driving gear; 38, hydraulic cylinder; 39, driving tooth plate; 40, fixed sleeve; 41, feed tray. DETAILED DESCRIPTION

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] Example: Figures 1-17 As shown, the present invention provides a technical solution of a step-by-step feeding and conveying device for assembling the inner core of a diesel filter, comprising a workbench 1, a support 2 and a collection box 3 fixedly connected to the top of the workbench 1, the collection box 3 being arranged on one side of the support 2, the collection box 3 being fixedly connected to a support cylinder 4 facing the side of the support 2, the support cylinder 4 being arranged on the top of the support 2, both sides of the bottom of the workbench 1 being rotatably connected to rotating shafts 5, the outer sides of the two rotating shafts 5 being fixedly connected to guide gears 6, one end of the two rotating shafts 5 being fixedly connected to support arms 7, the tops of the two support arms 7 being fixedly connected to splints 8, the two splints 8 being arranged opposite to each other, and the opposite sides of the two splints 8 being provided with circular holes. Groove 801, the two circular grooves 801 are adapted to the diameter of the support tube 4, the tops of the two splints 8 are fixedly connected with the cover plate 9, the bottom of the collection box 3 is fixedly connected with the slide rail 10, the internal sliding connection of the slide rail 10 is connected with the moving sleeve 11, the top of the moving sleeve 11 is fixedly connected with the support plate 13, the top of the support plate 13 is fixedly connected with two supporting springs 16, the tops of the two supporting springs 16 are fixedly connected with the connecting plate 15, both ends of the connecting plate 15 are fixedly connected with the sliding rod 14, the two sliding rods 14 pass through the support plate 13 and the moving sleeve 11 and are slidably connected to the support plate 13 and the moving sleeve 11, the bottom ends of the two sliding rods 14 are fixedly connected with the guide Rod 17, both side walls of the slide rail 10 are provided with a circular guide groove 19, the two guide rods 17 are respectively slidably connected to the inside of the two circular guide grooves 19 and adapted to the two circular guide grooves 19, the two side walls of the movable sleeve 11 are provided with a vertical groove 18, the two guide rods 17 respectively pass through the two vertical grooves 18 and are slidably connected to the two vertical grooves 18, the two guide rods 17 are respectively slidably connected to the inside of the circular guide groove 19 and adapted to the circular guide groove 19, the guide rod 17 is guided by the circular guide groove 19, so that the guide rod 17 moves along the trajectory of the circular guide groove 19, and there are residual grooves at both ends of the circular guide groove 19. The baffles 20 are hinged at the end points of the circular guide groove 19 on both sides of the slide rail 10, and the two ends of the slide rail 10 are fixedly connected with spring plates 21. The two spring plates 21 are respectively fitted with the two baffles 20, and the baffles 20 are supported and limited by the spring plates 21. The threaded rod 12 is rotatably connected to the inside of the slide rail 10, and a second motor 36 is fixedly connected to one end of the slide rail 10. The output end of the second motor 36 is fixedly connected to one end of the threaded rod 12. The threaded rod 12 passes through the movable sleeve 11 and is threadedly connected to the movable sleeve 11. The movable sleeve 11 is driven to move by the rotation of the threaded rod 12, so that the movable sleeve 11 drives the slide rod 14 to move.

[0021] A fixed sleeve 40 is fixedly connected to one side of the bottom of the workbench 1, and a hydraulic cylinder 38 is fixedly connected to the inside of the fixed sleeve 40. An active gear plate 39 is fixedly connected to the output end of the hydraulic cylinder 38. A driving gear 37 is fixedly connected to the outside of one of the rotating shafts 5. The active gear plate 39 is meshed with the active gear 37, so that the hydraulic cylinder 38 drives the active gear plate 39 to move, and the active gear plate 39 drives the active gear 37 and the guide gear 6 to rotate.

[0022] Both sides of the top of the workbench 1 are fixedly connected to the limit sleeve 26, and the first tooth plate 23 and the second tooth plate 24 are slidably connected inside the limit sleeve 26. The transmission gear 25 is rotatably connected inside the limit sleeve 26. The transmission gear 25 is respectively meshed with the second tooth plate 24 and the first tooth plate 23, so that the first tooth plate 23 drives the transmission gear 25 to rotate when it moves, and the transmission gear 25 drives the second tooth plate 24 to move in the opposite direction. One end of the first tooth plate 23 is fixedly connected to the fixed plate 22, the fixed plate 22 passes through the bottom of the slide rail 10 and is slidably connected to the slide rail 10, the fixed plate 22 is fixedly connected to the bottom of the movable sleeve 11, and one end of the second tooth plate 24 is fixedly connected to the push plate 27 A paper supporting tube 28 is fixedly connected to one side of the top of the push plate 27. The diameter of the paper supporting tube 28 is larger than the diameter of the supporting tube 4. The inner wall of the paper supporting tube 28 is provided with a plurality of through grooves 2801 in a ring array. An electric push rod 32 is fixedly connected to one side of the push plate 27. The output end of the electric push rod 32 passes through the end wall of the paper supporting tube 28 and is slidingly connected to the paper supporting tube 28. The output end of the electric push rod 32 is fixedly connected to the sliding sleeve 29. A plurality of inclined plates 30 are slidingly connected inside the sliding sleeve 29. A plurality of limit springs 31 are arranged inside the sliding sleeve 29. Both ends of the limit spring 31 are fixedly connected to the sliding sleeve 29 and the inclined plate 30. The plurality of inclined plates 30 pass through the through groove 2801 and are slidingly connected to the through groove 2801.

[0023] One end of the top of the workbench 1 is fixedly connected to a feed tray 41, and a material guide tray 33 is rotatably connected inside the feed tray 41. A plurality of grooves 3301 are provided in a ring array inside the material guide tray 33. A first motor 34 is fixedly connected to one side of the feed tray 41. The output end of the first motor 34 passes through the electric push rod 32 and is rotatably connected to the electric push rod 32. The output end of the first motor 34 is fixedly connected to the material guide tray 33, and the material guide tray 33 is driven to rotate by starting the first motor 34. A limiting groove 3201 is provided at the bottom of the electric push rod 32, and the push plate 27 and the paper supporting tube 28 are adapted to the limiting groove 3201. A conveyor belt 35 is fixedly connected to one side of the top of the electric push rod 32 to facilitate the transmission of the filter paper tube.

[0024] Multiple metal plates are stacked inside the collection box 3, and a discharge trough 301 is provided at the bottom of the front side wall of the collection box 3. The discharge trough 301 is adapted to the metal plate, and the support 2 is flush with the discharge trough 301. The slide rod 14 passes through the bottom wall of the collection box 3 and is slidably connected to the collection box 3. The length of the slide rod 14 extending above the bottom wall of the collection box 3 is less than the thickness of a single metal plate.

[0025] When this solution is in use, the metal sheets are stacked and placed inside the collection box 3, and the second motor 36 is started to drive the second motor 36 to rotate the threaded rod 12, and the threaded rod 12 drives the movable sleeve 11 to move toward the support 2, so that the movable sleeve 11 pushes the metal sheet at the bottom layer to move, so that the metal sheet extends from the inside of the discharge chute 301. When the sheet extends, the sheet just falls above the support 2, and then the hydraulic cylinder 38 is started to drive the active gear plate 39 to move, so that the active gear plate 39 drives the active gear plate 39 to drive the active gear 37 and the rotating shaft 5 to rotate, and then the rotating shaft 5 drives the guide gear 6 to rotate when rotating. Because the two guide gears 6 are engaged with each other, the two rotating shafts 5 rotate in opposite directions, and then the two rotating shafts 5 drive the two supporting arms 7 and the splint 8 to flip upward, so that the two splints 8 make the circular groove 801 contact with the bottom of the metal sheet during the flipping process, thereby moving the two sides of the metal sheet toward the direction of the support tube 4. When the guide rod 17 is disengaged from the baffle 20, the spring 21 limits the baffle 20, so that the baffle 20 is reset, and the vertical slot 18 moves back along the baffle 20, and the guide rod 17 moves to the lower section of the circular guide groove 19, so that the guide rod 17 drives the slide bar 14 and the connecting plate 15 to descend, compressing the support spring 16, so that the slide bar 14 descends and disengages from the metal sheet, and the slide bar 14 is reset to its initial position, which is convenient for conveying the metal sheets one by one.

[0026] The metal support sleeve that is sleeved on the outside of the support cylinder 4 is driven by the conveyor belt 35 to extend and push the subsequent metal plate to make the metal support sleeve continue to move on the outside of the support cylinder 4. When the movable sleeve 11 moves, it drives the fixed plate 22 to move, so that the fixed plate 22 drives the first tooth plate 23 to move. When the first tooth plate 23 moves, it drives the transmission gear 25 to rotate and simultaneously drives the second tooth plate 24 to move, so that the second tooth plate 24 drives the push plate 27 and the paper support cylinder 28 to move, and then the paper support cylinder 28 drives the sliding sleeve 29 and the inclined plate 30 to move, so that the inclined plate 30 pushes the filter paper cylinder to move out of the groove 3301, so that the filter paper cylinder moves to correspond to the outside of the metal support sleeve, and then the electric push rod 32 is started so that the electric push rod 32 drives the sliding sleeve 29 and the inclined plate 30 to move. When the inclined plate 30 moves, it pushes the filter paper cylinder to the outside of the metal support sleeve for assembly. When the metal support sleeve moves subsequently, it pushes the assembled filter element to fall from the outside of the support cylinder 4.

[0027] The diesel filter core is assembled automatically through the coordinated operation of multiple components. The linkage structure of threaded rods 12 and movable sleeves 11 enables precise, step-by-step conveying of metal sheets. A hydraulically driven, two-way flipping mechanism of clamping plates 8 forms a high-precision metal support sleeve. The filter paper cartridge is radially expanded and axially assembled through the rotation of feed tray 41 and the expansion mechanism of inclined plates 30 controlled by electric push rods 32. Finally, the filter element is fully formed using the position limiting mechanism of support cylinder 4 and the synchronous transfer of conveyor belt 35. This effectively solves the problems of conveyor jamming, misalignment, and low assembly efficiency that exist in traditional processes, significantly improving the consistency and yield rate of filter element production.

[0028] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A step-by-step feeding and conveying device for the inner core of a diesel filter assembly, characterized in that: The invention comprises a workbench (1), wherein the top of the workbench (1) is fixedly connected to a support (2) and a collection box (3), the collection box (3) is arranged on one side of the support (2), the collection box (3) is fixedly connected to a support cylinder (4) on the side facing the support (2), the support cylinder (4) is arranged on the top of the support (2), both sides of the bottom of the workbench (1) are rotatably connected to rotating shafts (5), the outer sides of the two rotating shafts (5) are fixedly connected to guide gears (6), one end of the two rotating shafts (5) are fixedly connected to support arms (7), the tops of the two support arms (7) are fixedly connected to clamps (8), the two clamps (8) are arranged opposite to each other, and the opposite sides of the two clamps (8) are provided with circular grooves (801), the two circular grooves (801) are adapted to the diameter of the support cylinder (4), the tops of the two clamps (8) are fixedly connected to cover plates (9), the collection box (2) is fixedly connected to the support cylinder (4), and the two collecting boxes (2) are fixedly connected to the support cylinder (4). The bottom of the box (3) is fixedly connected to a slide rail (10), the interior of the slide rail (10) is slidably connected to a moving sleeve (11), the top of the moving sleeve (11) is fixedly connected to a support plate (13), the top of the support plate (13) is fixedly connected to two support springs (16), the tops of the two support springs (16) are fixedly connected to a connecting plate (15), both ends of the connecting plate (15) are fixedly connected to a slide rod (14), the two slide rods (14) pass through the support plate (13) and the moving sleeve (11) and are slidably connected to the support plate (13) and the moving sleeve (11), the bottom ends of the two slide rods (14) are fixedly connected to a guide rod (17), the inner side walls of the slide rail (10) are provided with a circular guide groove (19), the two guide rods (17) are respectively slidably connected to the inside of the two circular guide grooves (19) and are adapted to the two circular guide grooves (19).

2. The step-by-step feeding and conveying device for the inner core of a diesel filter assembly according to claim 1, characterized in that: Both side walls of the movable sleeve (11) are provided with vertical grooves (18), the two guide rods (17) respectively penetrate the two vertical grooves (18) and are slidably connected to the two vertical grooves (18), and the two guide rods (17) are respectively slidably connected to the inside of the circular guide groove (19) and are adapted to the circular guide groove (19).

3. The step-by-step feeding and conveying device for the inner core of a diesel filter assembly according to claim 1, characterized in that: Both ends of the circular guide groove (19) are provided with margins, and baffles (20) are hingedly connected at the end points of the circular guide groove (19) on both sides of the slide rail (10), and both ends of the interior of the slide rail (10) are fixedly connected with spring pieces (21), and the two spring pieces (21) are respectively fitted with the two baffles (20).

4. The step-by-step feeding and conveying device for the inner core of a diesel filter assembly according to claim 1, characterized in that: A threaded rod (12) is rotatably connected inside the slide rail (10), a second motor (36) is fixedly connected to one end of the slide rail (10), an output end of the second motor (36) is fixedly connected to one end of the threaded rod (12), and the threaded rod (12) passes through the movable sleeve (11) and is threadedly connected to the movable sleeve (11).

5. The step-by-step feeding and conveying device for the inner core of a diesel filter assembly according to claim 1, characterized in that: A fixed sleeve (40) is fixedly connected to one side of the bottom of the workbench (1), a hydraulic cylinder (38) is fixedly connected inside the fixed sleeve (40), an output end of the hydraulic cylinder (38) is fixedly connected to an active toothed plate (39), an outer side of one of the rotating shafts (5) is fixedly connected to a driving gear (37), and the active toothed plate (39) is meshed with the driving gear (37).

6. The step-by-step feeding and conveying device for inner cores of diesel filter assembly according to claim 1, characterized in that: Both sides of the top of the workbench (1) are fixedly connected to a limiting sleeve (26), the limiting sleeve (26) is slidably connected to a first tooth plate (23) and a second tooth plate (24), the limiting sleeve (26) is rotatably connected to a transmission gear (25) inside, and the transmission gear (25) is meshed with the second tooth plate (24) and the first tooth plate (23) respectively.

7. The step-by-step feeding and conveying device for the inner core of a diesel filter assembly according to claim 6, characterized in that: One end of the first tooth plate (23) is fixedly connected to a fixed plate (22), the fixed plate (22) passes through the bottom of the slide rail (10) and is slidably connected to the slide rail (10), the fixed plate (22) is fixedly connected to the bottom of the movable sleeve (11), one end of the second tooth plate (24) is fixedly connected to a push plate (27), the top side of the push plate (27) is fixedly connected to a paper support tube (28), the diameter of the paper support tube (28) is larger than the diameter of the support tube (4), the inner wall of the paper support tube (28) is provided with a plurality of through grooves (2801) in a ring array, and the push plate (27) is fixedly connected to the bottom of the movable sleeve (11). The side is fixedly connected to an electric push rod (32), the output end of the electric push rod (32) passes through the end wall of the paper supporting tube (28) and is slidably connected to the paper supporting tube (28), the output end of the electric push rod (32) is fixedly connected to a sliding sleeve (29), a plurality of inclined plates (30) are slidably connected inside the sliding sleeve (29), a plurality of limit springs (31) are provided inside the sliding sleeve (29), both ends of the limit springs (31) are fixedly connected to the sliding sleeve (29) and the inclined plates (30), and the plurality of inclined plates (30) pass through the through slot (2801) and are slidably connected to the through slot (2801).

8. The step-by-step feeding and conveying device for inner cores of diesel filter assembly according to claim 1, characterized in that: A feed tray (41) is fixedly connected to one end of the top of the workbench (1), a material guide tray (33) is rotatably connected to the inside of the feed tray (41), a plurality of grooves (3301) are provided in a circular array inside the material guide tray (33), a first motor (34) is fixedly connected to one side of the feed tray (41), an output end of the first motor (34) passes through the electric push rod (32) and is rotatably connected to the electric push rod (32), and an output end of the first motor (34) is fixedly connected to the material guide tray (33).

9. The step-by-step feeding and conveying device for the inner core of a diesel filter assembly according to claim 7, characterized in that: A limiting groove (3201) is provided at the bottom of the electric push rod (32), the push plate (27) and the paper supporting tube (28) are adapted to the limiting groove (3201), and a conveyor belt (35) is fixedly connected to one side of the top of the electric push rod (32).

10. The step-by-step feeding and conveying device for inner cores of diesel filter assembly according to claim 1, characterized in that: A plurality of metal plates are stacked inside the collection box (3), a discharge trough (301) is provided at the bottom of the front side wall of the collection box (3), the discharge trough (301) is adapted to the metal plate, the support (2) is flush with the discharge trough (301), the slide rod (14) passes through the bottom wall of the collection box (3) and is slidably connected to the collection box (3), and the length of the slide rod (14) extending above the bottom wall of the collection box (3) is less than the thickness of a single metal plate.

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