Multi-model shell feeding magnetic variable-pitch assembly line belt

Abstract

The utility model discloses a multi-model shell feeding magnetic variable pitch flow belt which comprises a working table, a flow belt support comprises a first flow belt support and a second flow belt support, a first bottom plate is fixedly arranged at the lower end of the first flow belt support, and a first linear guide rail is arranged between the first bottom plate and the upper end face of the working table. A first magnetic flow belt is arranged at the upper end of the first flow belt bracket; a second linear guide rail is arranged between the lower end of the second bottom plate and the upper end face of the first bottom plate. A second magnetic flow belt is arranged at the upper end of the second flow belt support. The distance between the first magnetic water flowing belt and the second magnetic water flowing belt is adjusted through front-back sliding of the first bottom plate and / or the second bottom plate. A first positioning rod is arranged at the discharging end of the first magnetic flow water belt, and a second positioning rod is arranged at the discharging end of the second magnetic flow water belt. According to the technical scheme, the structural design is reasonable, shells of different models can be fed, the production efficiency can be improved, the shells are prevented from being damaged, and practicability is good.

Description

Technical Field

[0001] The utility model relates to the technical field of punching machines, in particular to a multi-model shell feeding magnetic variable-pitch water conveyor. Background Art

[0002] Existing large-scale stamping machines often drop materials when unloading shells due to irregular shells, making it difficult to position the shells later and causing poor material removal, which not only reduces production efficiency but also damages the shells.

[0003] In addition, due to the different models, sizes and widths of the shells, it is difficult for ordinary conveyor belts to position a variety of shells. Due to production needs, large stamping machines need to replace molds to punch out different models of shells, and it is difficult to take materials for a variety of shells. This is not only time-consuming and labor-intensive, but also has low production efficiency and poor practicality. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a magnetic variable-pitch water conveyor with multiple shell feeding types that has a reasonable structural design, can feed shells of different types, can improve production efficiency, avoid shell damage and has good practicality.

[0005] To achieve the above-mentioned object, the utility model provides the following technical solutions: a multi-model shell feeding magnetic variable pitch water conveyor, comprising a workbench, a water conveyor bracket provided on the workbench, the water conveyor bracket comprising a first water conveyor bracket and a second water conveyor bracket, a first bottom plate fixedly provided at the lower end of the first water conveyor bracket, a first linear guide rail provided between the first bottom plate and the upper end surface of the workbench, the first bottom plate sliding back and forth via the first linear guide rail, and a first magnetic water conveyor provided at the upper end of the first water conveyor bracket;

[0006] A second bottom plate is provided at the lower end of the second water flow belt bracket, a second linear guide rail is provided between the lower end of the second bottom plate and the upper end surface of the first bottom plate, the lower end of the second bottom plate slides back and forth along the second linear guide rail, and a second magnetic water flow belt is provided at the upper end of the second water flow belt bracket;

[0007] The spacing between the first magnetic water flow belt and the second magnetic water flow belt is adjusted by sliding the first bottom plate and / or the second bottom plate back and forth. The first magnetic water flow belt and the first water flow belt bracket are both linked to the first bottom plate; the second magnetic water flow belt and the second water flow belt bracket are both linked to the second bottom plate.

[0008] The upper surfaces of the first magnetic water flow belt and the second magnetic water flow belt are flush; a driving mechanism is provided at one end of the first magnetic water flow belt, a belt transmission mechanism is provided between the driving mechanism and the second magnetic water flow belt, and the second magnetic water flow belt is linked to the first magnetic water flow belt through the belt transmission mechanism;

[0009] The unloading end of the first magnetic water flow belt is provided with a first positioning rod, and the unloading end of the second magnetic water flow belt is provided with a second positioning rod.

[0010] The utility model is further configured as follows: a first cylinder bracket is fixedly provided on the rear end surface of the first water conveyor bracket near the unloading end; a plurality of first rotary cylinders and a plurality of first pneumatic three-axis cylinders are provided on the first cylinder bracket; the piston rod of each first rotary cylinder is arranged forward, and a first shell positioning claw is fixedly provided at the front end of the piston rod of each first rotary cylinder; the piston rod of each first pneumatic three-axis cylinder is arranged forward, and a first shell positioning strip is fixedly provided at the front end of the piston rod of each first pneumatic three-axis cylinder;

[0011] A second cylinder bracket is fixedly provided on the front end face of the second water conveyor bracket near the unloading end, and a plurality of second rotary cylinders and a plurality of second pneumatic three-axis cylinders are provided on the second cylinder bracket. The piston rod of each second rotary cylinder is arranged rearward, and a second shell positioning claw is fixedly provided on the piston rod of each second rotary cylinder. The piston rod of each second pneumatic three-axis cylinder is arranged rearward, and a second shell positioning strip is fixedly provided on the piston rod of each second pneumatic three-axis cylinder.

[0012] The utility model is further configured as follows: the first magnetic water flow belt and the second magnetic water flow belt both include a stainless steel bar, an aluminum profile, a magnet and a synchronous belt, the stainless steel bar is fixedly arranged on the upper end of the aluminum profile, a magnet mounting groove is arranged in the stainless steel bar, and the magnet is fixedly arranged in the magnet mounting groove.

[0013] The transmission mechanism is a block diagram of a transmission mechanism, wherein the transmission mechanism comprises a first motor, a second motor, and a third motor. The transmission mechanism comprises a first driving wheel, a first driven wheel, and a first synchronous belt, wherein the first driving wheel is fixedly connected to the motor shaft of the motor. One end of the first synchronous belt is sleeved on the first driving wheel, and the other end of the first synchronous belt is sleeved on the first driven wheel; the second belt transmission mechanism comprises a second driving wheel, the second driven wheel, and the second synchronous belt, one end of the second synchronous belt is sleeved on the second driving wheel, and the other end of the second synchronous belt is sleeved on the second driven wheel. The third belt transmission mechanism comprises a third driving wheel, the third driven wheel, and a third synchronous belt, one end of the third synchronous belt is sleeved on the third driving wheel, and the other end of the third synchronous belt is sleeved on the third driven wheel. A hexagonal shaft and a hexagonal bearing are provided between the first driven wheel, the second driving wheel, and the third driving wheel, and the first driven wheel, the second driving wheel, and the third driving wheel are linked by the hexagonal shaft.

[0014] The present invention is further configured as follows: a first connecting shaft is provided at the rear end of the unloading end of the first magnetic water flowing belt, the first connecting shaft is fixedly connected to the second driven wheel, a second connecting shaft is provided at the front end of the unloading end of the second magnetic water flowing belt, the second connecting shaft is fixedly connected to the third driven wheel, the rotation of the motor shaft of the motor drives the first belt transmission mechanism to rotate, the first belt transmission mechanism simultaneously drives the second belt transmission mechanism and the third belt transmission mechanism to rotate through the hexagonal shaft, the first magnetic water flowing belt is linked with the second belt transmission mechanism through the first connecting shaft, and the second magnetic water flowing belt is linked with the third belt transmission mechanism through the second connecting shaft.

[0015] The beneficial effects of the utility model are as follows: compared with the prior art, the utility model has a reasonable structural design, the spacing between the first magnetic water flow belt and the second magnetic water flow belt is adjusted by sliding the first bottom plate and / or the second bottom plate back and forth, so that housings of different models and sizes can be aligned with the punching machine without moving the water flow belt, the structural design is reasonable, and it is easy to use;

[0016] The first magnetic water conveyor belt and the second magnetic water conveyor belt both include stainless steel bars, aluminum profiles, magnets and synchronous belts. The shell can be attracted by the magnets when cutting, so as to avoid irregular cutting of the shell and facilitate subsequent positioning of the shell.

[0017] The first positioning rod and the second positioning rod play a positioning role on the shell during blanking. The extension of the piston rod of the first pneumatic three-axis cylinder will cause the first shell positioning bar to clamp the rear end of the shell. The extension of the piston rod of the second pneumatic three-axis cylinder will cause the second shell positioning bar to clamp the front end of the shell. The first rotary cylinder positions the shell through the first shell positioning claw, and the second rotary cylinder positions the shell through the second shell positioning claw, effectively avoiding damage to the shell caused by blanking.

[0018] The utility model can feed shells of different models and sizes to meet production needs, and can accurately position the shells, thereby improving production efficiency and greatly reducing the damage rate of the shells, and has good practicality.

[0019] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The structure of the embodiment of the utility model is shown in FIG. Figure 1 ;

[0021] Figure 2 The structure of the embodiment of the utility model is shown in FIG. Figure 2 ;

[0022] Figure 3 This is a schematic structural diagram of the first magnetic water flow belt in an embodiment of the present utility model;

[0023] Figure 4 This is a schematic diagram of the partial structure of the first magnetic water flow belt in an embodiment of the present utility model. DETAILED DESCRIPTION

[0024] In the description of this embodiment, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," "front," and "rear" and the like are used to indicate positions or locations based on those shown in the accompanying drawings. These terms are intended solely to facilitate the description of the present invention and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," and "third" are used solely for descriptive purposes and should not be construed as indicating or implying relative importance.

[0025] See also Figures 1 to 4 The utility model discloses a multi-model shell feeding magnetic variable pitch water conveyor, comprising a workbench 1, a water conveyor bracket provided on the workbench 1, the water conveyor bracket comprising a first water conveyor bracket 2 and a second water conveyor bracket 3, a first bottom plate 4 is fixedly provided at the lower end of the first water conveyor bracket 2, a first linear guide 5 is provided between the first bottom plate 4 and the upper end surface of the workbench 1, the first bottom plate 4 slides back and forth via the first linear guide 5, and a first magnetic water conveyor 6 is provided at the upper end of the first water conveyor bracket 2;

[0026] A second bottom plate 7 is provided at the lower end of the second water belt bracket 3. A second linear guide rail 8 is provided between the lower end of the second bottom plate 7 and the upper end surface of the first bottom plate 4. The lower end of the second bottom plate 7 slides back and forth along the second linear guide rail 8. A second magnetic water belt 9 is provided at the upper end of the second water belt bracket 3.

[0027] The spacing between the first magnetic water flow belt 6 and the second magnetic water flow belt 9 is adjusted by sliding the first bottom plate 4 and / or the second bottom plate 7 back and forth. The first magnetic water flow belt 6 and the first water flow belt bracket 2 are both linked to the first bottom plate 4; the second magnetic water flow belt 9 and the second water flow belt bracket 3 are both linked to the second bottom plate 7.

[0028] The upper surfaces of the first magnetic water flow belt 6 and the second magnetic water flow belt 9 are flush; a driving mechanism is provided at one end of the first magnetic water flow belt 6, and a belt transmission mechanism is provided between the driving mechanism and the second magnetic water flow belt 9, and the second magnetic water flow belt 9 is linked to the first magnetic water flow belt 6 through the belt transmission mechanism;

[0029] A first positioning rod 10 is provided at the unloading end of the first magnetic water flow belt 6 , and a second positioning rod 11 is provided at the unloading end of the second magnetic water flow belt 9 .

[0030] Preferably, the first linear guide rail 5 is fixed to the upper end surface of the workbench 1 by bolts; the second linear guide rail 8 is fixed to the upper end surface of the first base plate 4 by bolts.

[0031] In order to make the structural design of the present utility model more reasonable, as a preferred embodiment, the rear end face of the first water belt bracket 2 of the present embodiment is fixedly provided with a first cylinder bracket 12 near the unloading end, and the first cylinder bracket 12 is provided with a plurality of first rotary cylinders 13 and a plurality of first pneumatic three-axis cylinders 14, the piston rod of each first rotary cylinder 13 is arranged forward, and the front end of the piston rod of each first rotary cylinder 13 is fixedly provided with a first shell positioning claw 15, the piston rod of each first pneumatic three-axis cylinder 13 is arranged forward, and the front end of the piston rod of each first pneumatic three-axis cylinder 13 is fixedly provided with a first shell positioning bar 16;

[0032] A second cylinder bracket 17 is fixedly provided on the front end face of the second water flow belt bracket 3 near the unloading end, and a plurality of second rotary cylinders 18 and a plurality of second pneumatic three-axis cylinders 19 are provided on the second cylinder bracket 17. The piston rod of each second rotary cylinder 18 is set rearward, and a second shell positioning claw 20 is fixedly provided on the piston rod of each second rotary cylinder 18. The piston rod of each second pneumatic three-axis cylinder 19 is set rearward, and a second shell positioning bar 21 is fixedly provided on the piston rod of each second pneumatic three-axis cylinder 19.

[0033] Preferably, the number of first rotating cylinders 13 on the first cylinder bracket 12 is set to 1-5, the number of the first pneumatic three-axis cylinder 14 is at least 1, and the first rotating cylinder 13 and the first pneumatic three-axis cylinder 14 are partially connected and fixed to the first cylinder bracket 12 by bolts; the number of second rotating cylinders 18 on the second cylinder bracket 17 is set to 1-5, the number of the second pneumatic three-axis cylinder 19 is at least 1, and the second rotating cylinder 18 and the second pneumatic three-axis cylinder 19 are partially connected and fixed to the second cylinder bracket 17 by bolts.

[0034] The first positioning rod 10 is fixed to the first cylinder bracket 12 by bolts, and the second positioning rod 11 is fixed to the second cylinder bracket 17 by bolts.

[0035] It should be noted here that the first positioning rod 10 and the second positioning rod 11 play a positioning role on the shell during unloading. The extension of the piston rod of the first pneumatic three-axis cylinder 14 will cause the first shell positioning bar 16 to clamp the rear end of the shell, and the extension of the piston rod of the second pneumatic three-axis cylinder 19 will cause the second shell positioning bar 21 to clamp the front end of the shell. At this time, it is convenient for the material-picking robot of the next process to grab the shell to be picked up. After the material-picking robot fixes the shell, the piston rods of the first pneumatic three-axis cylinder 14 and the second pneumatic three-axis cylinder 19 contract, so that the first shell positioning bar 16 and the second shell positioning bar 21 loosen the shell, making it convenient for the material-picking robot to take away the shell to be picked up; the first rotating cylinder 13 plays a positioning role on the shell through the first shell positioning claw 15, and the second rotating cylinder 18 plays a positioning role on the shell through the second shell positioning claw 20, so that the material-picking robot takes away the shell in sequence, which is easy to use and effectively avoids damage to the shell caused by falling.

[0036] The first magnetic water conveyor belt 6 and the second magnetic water conveyor belt 9 each comprise a stainless steel bar 61, an aluminum profile 62, a magnet 63, and a timing belt 64. The stainless steel bar 61 is fixedly mounted on the upper end of the aluminum profile 62. A magnet mounting slot is provided within the stainless steel bar 61, and the magnet 63 is fixedly mounted within the magnet mounting slot. A water conveyor driving pulley is provided at one end of the timing belt 64, and a water conveyor driven pulley is provided at the other end of the timing belt 64. One end of the timing belt 64 is sleeved onto the water conveyor driving pulley, and the other end of the timing belt 64 is sleeved onto the water conveyor driven pulley.

[0037] The driving mechanism includes a motor 22, and the belt transmission mechanism includes a first belt transmission mechanism 23, a second belt transmission mechanism 24 and a third belt transmission mechanism 25. The first belt transmission mechanism 23 includes a first driving wheel 231, a first driven wheel 232 and a first synchronous belt. The first driving wheel 231 is fixedly connected to the motor shaft of the motor 22. One end of the first synchronous belt is sleeved on the first driving wheel 231, and the other end of the first synchronous belt is sleeved on the first driven wheel 232. The second belt transmission mechanism 24 includes a second driving wheel 241, a second driven wheel 242 and a second synchronous belt. One end of the third synchronous belt is sleeved on the second driving wheel 241, and the other end of the second synchronous belt is sleeved on the second driven wheel 242. The third belt transmission mechanism 25 includes a third driving wheel 251, a third driven wheel 252 and a third synchronous belt. One end of the third synchronous belt is sleeved on the third driving wheel 251, and the other end of the third synchronous belt is sleeved on the third driven wheel 252. A hexagonal shaft 26 and a hexagonal bearing are provided between the first driven wheel 232, the second driving wheel 241 and the third driving wheel 251, and the first driven wheel 232, the second driving wheel 241 and the third driving wheel 251 are linked through the hexagonal shaft 26.

[0038] A first connecting shaft is provided at the rear end of the unloading end of the first magnetic water flow belt 6, and the first connecting shaft is fixedly connected to the second driven wheel 242. A second connecting shaft is provided at the front end of the unloading end of the second magnetic water flow belt 9, and the second connecting shaft is fixedly connected to the third driven wheel 252. The rotation of the motor shaft of the motor 22 drives the first belt transmission mechanism 23 to rotate, and the first belt transmission mechanism 23 simultaneously drives the second belt transmission mechanism 24 and the third belt transmission mechanism 25 to rotate through the hexagonal shaft 26. The first magnetic water flow belt 6 is linked with the second belt transmission mechanism 24 through the first connecting shaft, and the second magnetic water flow belt 9 is linked with the third belt transmission mechanism 25 through the second connecting shaft.

[0039] Preferably, the first connecting shaft is fixedly connected to the water flow belt driving wheel of the first magnetic water flow belt 6 , and the second connecting shaft is fixedly connected to the water flow belt driving wheel of the second magnetic water flow belt 9 .

[0040] In actual application, the distance between the first magnetic water flow belt 6 and the second magnetic water flow belt 9 is adjusted by sliding the first base plate 4 and / or the second base plate 7 back and forth. The first magnetic water flow belt 6 and the first water flow belt bracket 2 are both linked to the first base plate 4; the second magnetic water flow belt 9 and the second water flow belt bracket 3 are both linked to the second base plate 7; the overall movement of the first magnetic water flow belt 6 and the second magnetic water flow belt 9 is achieved by a linear guide rail, so that different models and sizes of housings can be aligned with the punching machine without moving the water flow belt, and the structural design is reasonable and easy to use;

[0041] The first magnetic water flow belt 6 and the second magnetic water flow belt 9 both include a stainless steel bar 61, an aluminum profile 62, a magnet 63 and a synchronous belt 64. The shell can be attracted by the magnet when it is being cut, so that the shell will not fall due to irregular cutting, which facilitates the subsequent positioning of the shell.

[0042] The first positioning rod 10 and the second positioning rod 11 play a positioning role on the shell during unloading. The extension of the piston rod of the first pneumatic three-axis cylinder 14 will cause the first shell positioning bar 16 to clamp the rear end of the shell, and the extension of the piston rod of the second pneumatic three-axis cylinder 19 will cause the second shell positioning bar 21 to clamp the front end of the shell. At this time, it is convenient for the material-picking robot of the next process to grab the shell to be picked up. After the material-picking robot fixes the shell, the piston rods of the first pneumatic three-axis cylinder 14 and the second pneumatic three-axis cylinder 19 contract, so that the first shell positioning bar 16 and the second shell positioning bar 21 loosen the shell, making it convenient for the material-picking robot to take away the shell to be picked up; the first rotary cylinder 13 plays a positioning role on the shell through the first shell positioning claw 15, and the second rotary cylinder 18 plays a positioning role on the shell through the second shell positioning claw 20, so that the material-picking robot takes away the shell in sequence, which is easy to use and effectively avoids damage to the shell caused by falling.

[0043] The present invention can feed shells of different models and sizes to meet production needs, and can accurately position the shells, thereby improving production efficiency and greatly reducing the damage rate of the shells, with good practicality. The specific description of the present invention in the above embodiment is only used to further illustrate the present invention and cannot be understood as limiting the scope of protection of the present invention. Technical engineers in this field can make some non-essential improvements and adjustments to the present invention based on the content of the above utility model, which fall within the scope of protection of the present invention.

Claims

1. A multi-model shell feeding magnetic variable pitch water conveyor, comprising a workbench (1), wherein a water conveyor bracket is provided on the workbench (1), characterized in that: The water flow belt bracket comprises a first water flow belt bracket (2) and a second water flow belt bracket (3); a first bottom plate (4) is fixedly provided at the lower end of the first water flow belt bracket (2); a first linear guide rail (5) is provided between the first bottom plate (4) and the upper end surface of the workbench (1); the first bottom plate (4) slides forward and backward via the first linear guide rail (5); and a first magnetic water flow belt (6) is provided at the upper end of the first water flow belt bracket (2); A second bottom plate (7) is provided at the lower end of the second water belt bracket (3), a second linear guide rail (8) is provided between the lower end of the second bottom plate (7) and the upper end surface of the first bottom plate (4), the lower end of the second bottom plate (7) slides forward and backward along the second linear guide rail (8), and a second magnetic water belt (9) is provided at the upper end of the second water belt bracket (3); The spacing between the first magnetic water flow belt (6) and the second magnetic water flow belt (9) is adjusted by sliding the first bottom plate (4) and / or the second bottom plate (7) forward and backward. The first magnetic water flow belt (6) and the first water flow belt bracket (2) are both linked to the first bottom plate (4); the second magnetic water flow belt (9) and the second water flow belt bracket (3) are both linked to the second bottom plate (7); The upper surfaces of the first magnetic water flow belt (6) and the second magnetic water flow belt (9) are flush; a driving mechanism is provided at one end of the first magnetic water flow belt (6); a belt transmission mechanism is provided between the driving mechanism and the second magnetic water flow belt (9); the second magnetic water flow belt (9) is linked to the first magnetic water flow belt (6) through the belt transmission mechanism; A first positioning rod (10) is provided at the unloading end of the first magnetic water flow belt (6), and a second positioning rod (11) is provided at the unloading end of the second magnetic water flow belt (9).

2. A multi-model shell feeding magnetic variable pitch water conveyor according to claim 1, characterized in that: A first cylinder bracket (12) is fixedly provided on the rear end face of the first water belt bracket (2) near the unloading end, and a plurality of first rotary cylinders (13) and a plurality of first pneumatic three-axis cylinders (14) are provided on the first cylinder bracket (12), the piston rod of each first rotary cylinder (13) is arranged forward, and a first shell positioning claw (15) is fixedly provided at the front end of the piston rod of each first rotary cylinder (13), the piston rod of each first pneumatic three-axis cylinder (14) is arranged forward, and a first shell positioning strip (16) is fixedly provided at the front end of the piston rod of each first pneumatic three-axis cylinder (14); A second cylinder bracket (17) is fixedly provided on the front end surface of the second water belt bracket (3) near the discharge end, and a plurality of second rotary cylinders (18) and a plurality of second pneumatic three-axis cylinders (19) are provided on the second cylinder bracket (17). The piston rod of each second rotary cylinder (18) is arranged to face backward, and a second shell positioning claw (20) is fixedly provided on the piston rod of each second rotary cylinder (18). The piston rod of each second pneumatic three-axis cylinder (19) is arranged to face backward, and a second shell positioning strip (21) is fixedly provided on the piston rod of each second pneumatic three-axis cylinder (19).

3. A multi-model shell feeding magnetic variable pitch water conveyor according to claim 2, characterized in that: The first magnetic water flow belt (6) and the second magnetic water flow belt (9) both comprise a stainless steel bar (61), an aluminum profile (62), a magnet (63) and a synchronous belt (64); the stainless steel bar (61) is fixedly arranged on the upper end of the aluminum profile (62); a magnet mounting groove is provided in the stainless steel bar (61); and the magnet (63) is fixedly arranged in the magnet mounting groove.

4. A multi-model shell feeding magnetic variable pitch water conveyor according to claim 1 or 3, characterized in that: The driving mechanism includes a motor (22), and the belt transmission mechanism includes a first belt transmission mechanism (23), a second belt transmission mechanism (24) and a third belt transmission mechanism (25). The first belt transmission mechanism (23) includes a first driving wheel (231), a first driven wheel (232) and a first synchronous belt. The first driving wheel (231) is fixedly connected to the motor shaft of the motor (22). One end of the first synchronous belt is sleeved on the first driving wheel (231), and the other end of the first synchronous belt is sleeved on the first driven wheel (232). The second belt transmission mechanism (24) includes a second driving wheel (241), a second driven wheel (242) and a second synchronous belt. One end of the second synchronous belt The third belt transmission mechanism (25) is sleeved on the second driving wheel (241), and the other end of the second synchronous belt is sleeved on the second driven wheel (242). The third belt transmission mechanism (25) includes a third driving wheel (251), a third driven wheel (252) and a third synchronous belt. One end of the third synchronous belt is sleeved on the third driving wheel (251), and the other end of the third synchronous belt is sleeved on the third driven wheel (252). A hexagonal shaft (26) and a hexagonal bearing are provided between the first driven wheel (232), the second driving wheel (241) and the third driving wheel (251), and the first driven wheel (232), the second driving wheel (241) and the third driving wheel (251) are linked by the hexagonal shaft (26).

5. A multi-model shell feeding magnetic variable pitch water conveyor according to claim 4, characterized in that: A first connecting shaft is provided at the rear end of the discharge end of the first magnetic water flow belt (6), and the first connecting shaft is fixedly connected to the second driven wheel (242). A second connecting shaft is provided at the front end of the discharge end of the second magnetic water flow belt (9), and the second connecting shaft is fixedly connected to the third driven wheel (252). The motor shaft of the motor (22) rotates to drive the first belt transmission mechanism (23). The first belt transmission mechanism (23) simultaneously drives the second belt transmission mechanism (24) and the third belt transmission mechanism (25) to rotate through the hexagonal shaft (26). The first magnetic water flow belt (6) is linked to the second belt transmission mechanism (24) through the first connecting shaft, and the second magnetic water flow belt (9) is linked to the third belt transmission mechanism (25) through the second connecting shaft.

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