CN210081902U - Foam EVA slicer of adjustable thickness - Google Patents

Abstract

The utility model relates to a foam material processing auxiliary device's technical field especially relates to a thickness adjustable foam EVA slicer, including front fixed plate, after-fixing board, workstation, first arc extension board, second arc extension board, fixed axle, foam material, left dead lever, right dead lever, blade, left connecting plate, right connecting plate, backup pad, even board, bottom plate, ball bearing, left dog, right dog, screwed pipe, threaded rod, slide bar, front mounting panel, after-mounting board, third arc extension board, fourth arc extension board, pivot, first motor, preceding link plate, back link plate, connecting axle and second motor, the utility model discloses a thickness adjustable foam EVA slicer can conveniently adjust foam material's section thickness, reduces and uses the limitation.

Description

Foam EVA slicer of adjustable thickness

Technical Field

The utility model relates to a foam material processing auxiliary device's technical field especially relates to a thickness adjustable foam EVA slicer.

Background

As is well known, a foamed EVA slicer is a device for cutting a foamed material with a large thickness to obtain a foamed material with a desired thickness, and is widely used in the field of foamed material processing; the existing foam EVA slicer is inconvenient to adjust the cutting thickness of materials according to different requirements, and has use limitation.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a can conveniently adjust foam material's section thickness, reduce the thickness adjustable foam EVA slicer that uses the limitation.

The utility model discloses a foam EVA slicer with adjustable thickness, which comprises a front fixed plate, a rear fixed plate, a workbench, a first arc-shaped support plate, a second arc-shaped support plate, a fixed shaft, foam material, a left fixed rod, a right fixed rod, a blade, a left connecting plate, a right connecting plate, a support plate, a connecting plate, a bottom plate, a ball bearing, a left stop dog, a right stop dog, a screwed pipe, a threaded rod, a slide bar, a front mounting plate, a rear mounting plate, a third arc-shaped support plate, a fourth arc-shaped support plate, a rotating shaft, a first motor, a front hanging plate, a rear hanging plate, a connecting shaft and a second motor, wherein the bottom end of the front fixed plate and the bottom end of the rear fixed plate are respectively connected with the right front side and the right rear side of the top surface of the workbench, the top end of the front fixed plate and the top end of the rear fixed plate are respectively connected with the, the rear ends of the left fixing rod and the right fixing rod are respectively connected with the left half area and the right half area in front of the blade, the front ends of the left fixing rod and the right fixing rod are respectively connected with the upper half area on the back surface of the left connecting plate and the upper half area on the back surface of the right connecting plate, the bottom end of the left connecting plate and the bottom end of the right connecting plate are respectively connected with the left half area and the right half area on the top surface of the supporting plate, the left end of the connecting plate is connected with the right end of the supporting plate, the back surface of the bottom plate is connected with the central area in front of the workbench, the central area on the top surface of the bottom plate is provided with a first circular groove, the ball bearing is inserted into the first circular groove, the bottom end of the left baffle block and the bottom end of the right baffle are respectively connected with the left half area and the right half area on the top, the top end of the threaded rod is connected with the central area of the bottom surface of the supporting plate, the connecting plate is longitudinally provided with a first round hole, the bottom end of the sliding rod passes through the first round hole and is connected with the right half area of the top surface of the bottom plate, the bottom end of the front mounting plate and the bottom end of the rear mounting plate are respectively connected with the front side and the rear side of the central area of the top surface of the workbench, the top end of the front mounting plate and the top end of the rear mounting plate are respectively connected with the bottom ends of the third arc-shaped supporting plate and the fourth arc-shaped supporting plate, the bottom end of the rotating shaft is inserted into the third arc-shaped support plate and the fourth arc-shaped support plate, the rear end of the rotating shaft is detachably connected with the output end of the front end of the first motor, the right end of the front hanging plate and the right end of the rear hanging plate are respectively connected with the front half area and the rear half area of the left side wall of the workbench, the front and rear directions of the left half areas of the front hanging plate and the rear hanging plate are respectively provided with a second round hole and a third round hole, the rear end of the connecting shaft sequentially penetrates through the first round hole and the second round hole, and the rear end of the connecting shaft is detachably connected with the output end of the front end of the second motor.

The utility model discloses a thickness adjustable foam EVA slicer, blade right side wall is the cutting edge.

The utility model discloses a thickness adjustable foam EVA slicer, first arc extension board, second arc extension board, third arc extension board and fourth arc extension board are the ascending half-circular arc of opening.

The utility model discloses a foam EVA slicer with adjustable thickness, which also comprises a first arc cover, a second arc cover, a third arc cover, a fourth arc cover, two groups of first inserted bars, two groups of second inserted bars, two groups of third inserted bars and two groups of fourth inserted bars, wherein the left half area and the right half area of the top surface of the first arc support plate are respectively provided with two groups of first circular grooves, the left half area and the right half area of the top surface of the second arc support plate are respectively provided with two groups of second circular grooves, the left half area and the right half area of the top surface of the third arc support plate are respectively provided with two groups of third circular grooves, the left half area and the right half area of the top surface of the fourth arc support plate are respectively provided with two groups of fourth circular grooves, the two groups of first inserted bars and the two groups of second inserted bars are respectively inserted into the two groups of first circular grooves and the two groups of second circular grooves, the two groups of third inserted bars and the two groups of fourth inserted bars are respectively inserted into the two groups of third circular grooves and, two sets of first inserted bar tops and two sets of second inserted bar tops are connected with first arc cover bottom surface and second arc cover bottom surface respectively, and two sets of third inserted bar tops and two sets of fourth inserted bar tops are connected with third arc cover bottom surface and fourth arc cover bottom surface respectively.

The utility model discloses a thickness adjustable foam EVA slicer still includes multiunit roller bearing and multiunit cylinder, the left half region of workstation top surface is provided with first rectangle recess, and multiunit roller bearing rear end passes multiunit cylinder central zone respectively, and antetheca and interior back wall connection in multiunit roller bearing front end and the rear end respectively and the first rectangle recess.

The utility model discloses a thickness adjustable foam EVA slicer, the equidistant distribution of multiunit roller bearing.

The utility model discloses a thickness adjustable foam EVA slicer, two sets of first inserted bars, two sets of second inserted bars, two sets of third inserted bars and two sets of fourth inserted bar materials are iron.

The utility model discloses a thickness adjustable foam EVA slicer still includes two sets of first magnet, two sets of second magnet, two sets of third magnet and two sets of fourth magnet, two sets of first magnet bottom and two sets of second magnet bottom respectively with diapire in the two sets of first circular recess and the circular recess of two sets of second in be connected, two sets of third magnet bottom and two sets of fourth magnet bottom respectively with diapire in the circular recess of two sets of third and two sets of fourth circular recess in be connected.

Compared with the prior art, the beneficial effects of the utility model are that: cut the opening of required thickness with foam material in advance, the material of required thickness is located the blade downside, remaining foam material is located the blade upside, the screwed pipe rotates, make screwed pipe bottom at ball bearing internal rotation, when the screwed pipe is rotatory, the threaded rod upwards or the lapse in the screwed pipe, the threaded rod drives the backup pad, link board upwards or the lapse, make link board upwards or the lapse along the slide bar, thereby reduce the threaded rod and be rotary motion along the screwed pipe, thereby adjust the height of blade, make blade bottom surface and downside foam material contact, twine downside foam material left end and upside foam material left end respectively in connecting axle and pivot, the position of fixed first motor and second motor, then open first motor and second motor, first motor and second motor drive pivot and connecting axle rotation respectively, rotatory pivot and connecting axle make the foam material of upside and the foam material of downside twine constantly in the pivot and even pivot respectively On the connecting shaft, the rotating shaft and the connecting shaft continuously drive the foam material to move leftwards, so that the foam material is continuously loosened from the fixed shaft, the foam material moves relative to the blade when moving leftwards, the blade cuts the foam material into an upper part and a lower part, after the foam material on the fixed shaft is completely sliced, the rotating shaft and the connecting shaft are respectively detached from the first motor and the second motor, the foam material on the connecting shaft is the foam material with the required thickness, the foam material is directly stored, the fixed shaft is detached from the first arc-shaped support plate and the second arc-shaped support plate, the rotating shaft is detached from the third arc-shaped support plate and the fourth arc-shaped support plate, the rotating shaft is reinserted into the first arc-shaped support plate and the second arc-shaped support plate to continue slicing, the height of the blade can be adjusted by rotating the threaded pipe, the foam material with different thicknesses can be conveniently sliced, meanwhile, the sliced foam material is convenient to roll and arrange, and is simple, convenient and quick.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a partial enlarged view of portion B of FIG. 1;

FIG. 4 is an enlarged view of a portion C of FIG. 1;

FIG. 5 is a schematic top view of the foam, the third curved leg, the shaft, and the first motor;

FIG. 6 is a schematic top view of the foam, the front hanging plate, the connecting shaft and the second motor;

in the drawings, the reference numbers: 1. a front fixing plate; 2. a work table; 3. a first arc-shaped support plate; 4. a fixed shaft; 5. a foam material; 6. a left fixed link; 7. a right fixing rod; 8. a blade; 9. a left connecting plate; 10. a right connecting plate; 11. a support plate; 12. connecting plates; 13. a base plate; 14. a ball bearing; 15. a left stop block; 16. a right stopper; 17. a threaded pipe; 18. a threaded rod; 19. a slide bar; 20. a front mounting plate; 21. a third arc-shaped support plate; 22. a rotating shaft; 23. a first motor; 24. a front hanging plate; 25. a connecting shaft; 26. a second motor; 27. a first arc-shaped cover; 28. a third arc-shaped cover; 29. a first plunger; 30. a third plunger; 31. a roller; 32. a drum; 33. a first magnet; 34. a third magnet.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in figures 1 to 6, the thickness-adjustable foam EVA slitting machine of the invention comprises a front fixing plate 1, a rear fixing plate, a workbench 2, a first arc-shaped support plate 3, a second arc-shaped support plate, a fixing shaft 4, a foam material 5, a left fixing rod 6, a right fixing rod 7, a blade 8, a left connecting plate 9, a right connecting plate 10, a supporting plate 11, a connecting plate 12, a bottom plate 13, a ball bearing 14, a left stop block 15, a right stop block 16, a threaded pipe 17, a threaded rod 18, a sliding rod 19, a front mounting plate 20, a rear mounting plate, a third arc-shaped support plate 21, a fourth arc-shaped support plate, a rotating shaft 22, a first motor 23, a front hanging plate 24, a rear hanging plate, a connecting shaft 25 and a second motor 26, wherein the bottom end of the front fixing plate 1 and the bottom end of the rear fixing plate are respectively connected with the right front side and the right side of the top end of the top surface of the workbench 2, the front, the fixed shaft 4 is inserted into the first arc-shaped support plate 3 and the second arc-shaped support plate, the foam material 5 is wound on the fixed shaft 4, the rear end of the left fixing rod 6 and the rear end of the right fixing rod 7 are respectively connected with the left half area and the right half area in front of the blade 8, the front end of the left fixing rod 6 and the front end of the right fixing rod 7 are respectively connected with the upper half area in back of the left connecting plate 9 and the upper half area in back of the right connecting plate 10, the bottom end of the left connecting plate 9 and the bottom end of the right connecting plate 10 are respectively connected with the left half area and the right half area on the top surface of the support plate 11, the left end of the connecting plate 12 is connected with the right end of the support plate 11, the back of the bottom plate 13 is connected with the central area in front of the workbench 2, the central area on the top surface of the bottom plate 13 is provided with a first circular groove, the bottom end of a threaded pipe 17 is inserted into a ball bearing 14 and is connected with the same in an interference fit manner, the bottom end of a threaded rod 18 is screwed and inserted into the threaded pipe 17, the top end of the threaded rod 18 is connected with the central area of the bottom surface of a supporting plate 11, a connecting plate 12 is longitudinally provided with a first round hole, the bottom end of a sliding rod 19 passes through the first round hole and is connected with the right half area of the top surface of a bottom plate 13, the bottom end of a front mounting plate 20 and the bottom end of a rear mounting plate are respectively connected with the front side and the rear side of the central area of the top surface of a workbench 2, the top end of the front mounting plate 20 and the top end of the rear mounting plate are respectively connected with the bottom end of a third arc-shaped support plate 21 and the bottom end of a fourth arc-shaped support plate, the bottom end of a rotating shaft 22 is inserted into the third arc-shaped support plate 21 and the fourth arc-shaped support plate, the rear end of the rotating shaft 22 is, the rear end of the connecting shaft 25 sequentially passes through the first round hole and the second round hole, and the rear end of the connecting shaft 25 is detachably connected with the output end of the front end of the second motor 26; cut the opening of required thickness with foam material in advance, the material of required thickness is located the blade downside, remaining foam material is located the blade upside, the screwed pipe rotates, make screwed pipe bottom at ball bearing internal rotation, when the screwed pipe is rotatory, the threaded rod upwards or the lapse in the screwed pipe, the threaded rod drives the backup pad, link board upwards or the lapse, make link board upwards or the lapse along the slide bar, thereby reduce the threaded rod and be rotary motion along the screwed pipe, thereby adjust the height of blade, make blade bottom surface and downside foam material contact, twine downside foam material left end and upside foam material left end respectively in connecting axle and pivot, the position of fixed first motor and second motor, then open first motor and second motor, first motor and second motor drive pivot and connecting axle rotation respectively, rotatory pivot and connecting axle make the foam material of upside and the foam material of downside twine constantly in the pivot and even pivot respectively On the connecting shaft, the rotating shaft and the connecting shaft continuously drive the foam material to move leftwards, so that the foam material is continuously loosened from the fixed shaft, the foam material moves relative to the blade when moving leftwards, the blade cuts the foam material into an upper part and a lower part, after the foam material on the fixed shaft is completely sliced, the rotating shaft and the connecting shaft are respectively detached from the first motor and the second motor, the foam material on the connecting shaft is the foam material with the required thickness, the foam material is directly stored, the fixed shaft is detached from the first arc-shaped support plate and the second arc-shaped support plate, the rotating shaft is detached from the third arc-shaped support plate and the fourth arc-shaped support plate, the rotating shaft is reinserted into the first arc-shaped support plate and the second arc-shaped support plate to continue slicing, the height of the blade can be adjusted by rotating the threaded pipe, the foam material with different thicknesses can be conveniently sliced, meanwhile, the sliced foam material is convenient to roll and arrange, and is simple, convenient and quick.

The utility model discloses a thickness adjustable foam EVA slicer, 8 right side walls of blade are the cutting edge.

The utility model discloses a thickness adjustable foam EVA slicer, first arc extension board 3, second arc extension board, third arc extension board 21 and fourth arc extension board are the ascending half-circular arc of opening.

The utility model discloses a foam EVA slicer with adjustable thickness, which also comprises a first arc cover 27, a second arc cover, a third arc cover 28, a fourth arc cover, two groups of first inserted bars 29, two groups of second inserted bars, two groups of third inserted bars 30 and two groups of fourth inserted bars, wherein the left half area and the right half area of the top surface of the first arc support plate 3 are respectively provided with two groups of first circular grooves, the left half area and the right half area of the top surface of the second arc support plate are respectively provided with two groups of second circular grooves, the left half area and the right half area of the top surface of the third arc support plate 21 are respectively provided with two groups of third circular grooves, the left half area and the right half area of the top surface of the fourth arc support plate are respectively provided with two groups of fourth circular grooves, the bottom ends of the two groups of first inserted bars 29 and the two groups of second inserted bars are respectively inserted into the two groups of first circular grooves and the two groups of second circular grooves, the bottom ends of the two groups of third inserted bars 30 and the two groups of fourth inserted bars are respectively inserted into, the top ends of the two groups of first insert rods 29 and the top ends of the two groups of second insert rods are respectively connected with the bottom surface of the first arc-shaped cover 27 and the bottom surface of the second arc-shaped cover, and the top ends of the two groups of third insert rods 30 and the top ends of the two groups of fourth insert rods are respectively connected with the bottom surface of the third arc-shaped cover 28 and the bottom surface of the fourth arc-shaped cover; first arc cover, second arc cover, third arc cover and fourth arc cover opening are all downward, when fixed axle and pivot are rotatory, reduce fixed axle and pivot and drop, improve stability in use.

The utility model discloses a foam EVA slicer with adjustable thickness, still include multiunit roller 31 and multiunit cylinder 32, the left half region of the top surface of the worktable 2 is provided with a first rectangular groove, the rear end of the multiunit roller 31 passes through the central region of the multiunit cylinder 32 respectively, the front end and the rear end of the multiunit roller 31 are connected with the inner front wall and the inner rear wall of the first rectangular groove respectively; when the foam material of downside slided left and twine on the connecting axle, the foam material of downside drove the multiunit cylinder rotatory, and the multiunit cylinder is rotatory along the multiunit roller bearing respectively, reduces the foam material of downside and the friction of workstation top surface, plays the guard action to the foam material of downside.

The utility model discloses a thickness adjustable foam EVA slicer, multiunit roller bearing 31 equidistant distribution.

The utility model discloses a thickness adjustable foam EVA slicer, two sets of first inserted bar 29, two sets of second inserted bar, two sets of third inserted bar 30 and two sets of fourth inserted bar materials are iron.

The utility model discloses a foam EVA slicer with adjustable thickness, still include two sets of first magnet 33, two sets of second magnet, two sets of third magnet 34 and two sets of fourth magnet, two sets of first magnet 33 bottoms and two sets of second magnet bottoms are connected with two sets of first circular recess inner bottom walls and two sets of second circular recess inner bottom walls respectively, two sets of third magnet 34 bottoms and two sets of fourth magnet bottoms are connected with two sets of third circular recess inner bottom walls and two sets of fourth circular recess inner bottom walls respectively; two sets of first inserted bar bottom, two sets of second inserted bar bottom, two sets of third inserted bar bottom and two sets of fourth inserted bar bottom attract the laminating with two sets of first magnet, two sets of second magnet, two sets of third magnet and two sets of fourth magnet respectively, improve stability in use.

The utility model discloses a foam EVA slicer with adjustable thickness, it is at the during operation, cut the opening of required thickness with foam in advance, the material of required thickness is located the blade downside, surplus foam is located the blade upside, the screwed pipe is rotated, make screwed pipe bottom at ball bearing internal rotation, when the screwed pipe is rotatory, the threaded rod upwards or move downwards in the screwed pipe, the threaded rod drives the backup pad, link board upwards or move downwards, make link board upwards or slide downwards along the slide bar, thereby reduce the threaded rod and do rotary motion along with the screwed pipe, thereby adjust the height of blade, make the blade bottom surface contact with the foam of downside, twine lower side foam left end and upside foam left end respectively on connecting axle and pivot, fix the position of first motor and second motor, then open first motor and second motor, first motor and second motor drive pivot and connecting axle rotation respectively, the rotating shaft and the connecting shaft respectively enable the foam material on the upper side and the foam material on the lower side to be continuously wound on the rotating shaft and the connecting shaft, the rotating shaft and the connecting shaft continuously drive the foam materials to move leftwards, the foam materials are continuously loosened from the fixed shaft, the foam materials and the blade move relatively when moving leftwards, the blade cuts the foam materials into an upper part and a lower part, after the foam materials on the fixed shaft are completely sliced, the rotating shaft and the connecting shaft are respectively disassembled from the first motor and the second motor, the foam materials on the connecting shaft are the foam materials with required thickness, the foam materials are directly stored, the fixed shaft is taken down from the first arc-shaped supporting plate and the second arc-shaped supporting plate, the rotating shaft is taken down from the third arc-shaped supporting plate and the fourth arc-shaped supporting plate, and the rotating shaft is inserted into the first arc-shaped supporting plate and the, the height of the blade can be adjusted by rotating the threaded pipe, so that the blade can be conveniently sliced into foam materials with different thicknesses, the use limitation is reduced, and meanwhile, the sliced foam materials can be conveniently rolled and tidied, so that the cutting machine is simple, convenient and quick; the openings of the first arc-shaped cover, the second arc-shaped cover, the third arc-shaped cover and the fourth arc-shaped cover are downward, so that the falling of the fixed shaft and the rotating shaft is reduced when the fixed shaft and the rotating shaft rotate, and the use stability is improved; when the foam material on the lower side slides leftwards and is wound on the connecting shaft, the foam material on the lower side drives the multiple groups of rollers to rotate, and the multiple groups of rollers rotate along the multiple groups of rolling shafts respectively, so that the friction between the foam material on the lower side and the top surface of the workbench is reduced, and the foam material on the lower side is protected; two sets of first inserted bar bottom, two sets of second inserted bar bottom, two sets of third inserted bar bottom and two sets of fourth inserted bar bottom attract the laminating with two sets of first magnet, two sets of second magnet, two sets of third magnet and two sets of fourth magnet respectively, improve stability in use.

The utility model discloses used first motor and second motor are all purchased in the market, according to the service instruction of wearing with can.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (8)

1. A foam EVA slicer with adjustable thickness is characterized by comprising a front fixing plate (1), a rear fixing plate, a workbench (2), a first arc-shaped support plate (3), a second arc-shaped support plate, a fixing shaft (4), a foam material (5), a left fixing rod (6), a right fixing rod (7), a blade (8), a left connecting plate (9), a right connecting plate (10), a supporting plate (11), a connecting plate (12), a bottom plate (13), a ball bearing (14), a left stop block (15), a right stop block (16), a threaded pipe (17), a threaded rod (18), a sliding rod (19), a front mounting plate (20), a rear mounting plate, a third arc-shaped support plate (21), a fourth arc-shaped support plate, a rotating shaft (22), a first motor (23), a front hanging plate (24), a rear hanging plate, a connecting shaft (25) and a second motor (26), wherein the bottom end of the front fixing plate (1) and the bottom end of the rear fixing plate are respectively connected with the front side and the, the top end of a front fixing plate (1) and the top end of a rear fixing plate are respectively connected with the bottom ends of a first arc-shaped support plate (3) and a second arc-shaped support plate, a fixing shaft (4) is inserted into the first arc-shaped support plate (3) and the second arc-shaped support plate, a foam material (5) is wound on the fixing shaft (4), the rear ends of a left fixing rod (6) and a right fixing rod (7) are respectively connected with the left half area and the right half area in front of a blade (8), the front ends of the left fixing rod (6) and the right fixing rod (7) are respectively connected with the upper half area in back of a left connecting plate (9) and the upper half area in back of a right connecting plate (10), the bottom end of the left connecting plate (9) and the bottom end of the right connecting plate (10) are respectively connected with the left half area and the right half area on top surface of a support plate (11), the left end of a connecting plate (12) is connected with the right, a first circular groove is formed in the central area of the top surface of the bottom plate (13), the ball bearings (14) are inserted into the first circular groove, the bottom ends of the left stop block (15) and the right stop block (16) are respectively connected with the left half area and the right half area of the top surface of the bottom plate (13) and are contacted with the top ends of the ball bearings (14), the bottom ends of the threaded pipes (17) are inserted into the ball bearings (14) and are in interference fit connection with the ball bearings, the bottom ends of the threaded rods (18) are screwed and inserted into the threaded pipes (17), the top ends of the threaded rods (18) are connected with the central area of the bottom surface of the support plate (11), the connecting plate (12) is longitudinally provided with first circular holes, the bottom ends of the sliding rods (19) penetrate through the first circular holes and are connected with the right half area of the top surface of the bottom plate (13), the bottom ends of the front mounting plate (20), preceding mounting panel (20) top and back mounting panel top are connected with third arc extension board (21) bottom and fourth arc extension board bottom respectively, third arc extension board (21) and fourth arc extension board are inserted to pivot (22) bottom, and pivot (22) rear end can be dismantled with first motor (23) front end output and be connected, preceding link plate (24) right-hand member and back link plate right-hand member are connected with workstation (2) left side wall front half region and latter half region respectively, and preceding link plate (24) and the left half region fore-and-aft direction of back link plate are provided with second round hole and third round hole respectively, first round hole and second round hole are passed in proper order to connecting axle (25) rear end, and connecting axle (25) rear end can be dismantled with second motor (26) front end output and be connected.

2. The machine for cutting foam EVA with adjustable thickness according to claim 1, wherein the right side wall of the blade (8) is a blade edge.

3. A thickness adjustable foamed EVA slicer as claimed in claim 2 wherein the first (3), second (21) and fourth (21) arcuate plates are each upwardly open semi-circular arcs.

4. The foam EVA slitting machine with adjustable thickness of claim 3, further comprising a first arc-shaped cover (27), a second arc-shaped cover, a third arc-shaped cover (28), a fourth arc-shaped cover, two sets of first insertion rods (29), two sets of second insertion rods, two sets of third insertion rods (30) and two sets of fourth insertion rods, wherein the left half area and the right half area of the top surface of the first arc-shaped support plate (3) are respectively provided with two sets of first circular grooves, the left half area and the right half area of the top surface of the second arc-shaped support plate are respectively provided with two sets of second circular grooves, the left half area and the right half area of the top surface of the third arc-shaped support plate (21) are respectively provided with two sets of third circular grooves, the left half area and the right half area of the top surface of the fourth arc-shaped support plate are respectively provided with two sets of fourth circular grooves, the bottom ends of the two sets of first insertion rods (29) and the bottom ends of the two sets of second insertion rods are respectively, two sets of third inserted bar (30) bottoms and two sets of fourth inserted bar bottoms insert two sets of third circular recess and two sets of fourth circular recess respectively, and two sets of first inserted bar (29) tops and two sets of second inserted bar tops are connected with first arc cover (27) bottom surface and second arc cover bottom surface respectively, and two sets of third inserted bar (30) tops and two sets of fourth inserted bar tops are connected with third arc cover (28) bottom surface and fourth arc cover bottom surface respectively.

5. The foam EVA slitting machine with adjustable thickness of claim 4, further comprising a plurality of sets of rollers (31) and a plurality of sets of rollers (32), wherein a first rectangular groove is formed in the left half area of the top surface of the worktable (2), the rear ends of the plurality of sets of rollers (31) respectively penetrate through the central areas of the plurality of sets of rollers (32), and the front ends and the rear ends of the plurality of sets of rollers (31) are respectively connected with the inner front wall and the inner rear wall of the first rectangular groove.

6. A machine for splitting foamed EVA with adjustable thickness according to claim 5, wherein the sets of rollers (31) are equally spaced.

7. The foamed EVA slicer of claim 6, wherein the two first plug rods (29), the two second plug rods, the two third plug rods (30) and the two fourth plug rods are made of iron.

8. The foam EVA slicer of claim 7, further comprising two sets of first magnets (33), two sets of second magnets, two sets of third magnets (34), and two sets of fourth magnets, wherein the two sets of first magnets (33) and the two sets of second magnets are connected to the two sets of first circular groove inner bottom walls and the two sets of second circular groove inner bottom walls, respectively, and the two sets of third magnets (34) and the two sets of fourth magnets are connected to the two sets of third circular groove inner bottom walls and the two sets of fourth circular groove inner bottom walls, respectively.

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