CN220389556U - PE panel cuts device - Google Patents

Abstract

The utility model belongs to the technical field of PE (polyethylene) plate processing equipment, in particular to a PE plate slitting device which comprises an underframe, wherein the upper end of the underframe is symmetrically connected with side plates, a slitting mechanism is arranged between the side plates, a clamping mechanism is arranged at the upper end of the underframe, an auxiliary mechanism is arranged between the side plates, and one sides of the side plates are connected with a fixed plate; the clamping mechanism comprises a first L-shaped clamping plate, a fixed block, an L-shaped groove, a second L-shaped clamping plate, a toothed plate, a supporting shaft, a fourth gear, a first bevel gear, a second screw rod, a second thread block and an L-shaped rod. Compared with the prior art, the PE plate cutting machine has reasonable structural design and strong practicability, is convenient for moving and adjusting the position of the cutting blade, is convenient for adjusting the cutting width of the PE plate, and improves the use effect; and the PE plate can be stably and automatically clamped when being cut, so that the cutting stability is enhanced.

Description

PE panel cuts device

Technical Field

The utility model belongs to the technical field of PE (polyethylene) plate processing equipment, and particularly relates to a PE plate slitting device.

Background

The PE sheet is a thermoplastic resin with high crystallinity and non-polarity. The original HDPE has a milky white appearance, and a semitransparent shape with a certain degree on a micro-thin section, and the PE sheet product needs to be cut and processed in the production process.

At present at PE panel cutting processing's in-process, current cutting equipment generally can't adjust the width that PE panel cut, and the flexibility ratio is lower, and the practicality is poor, and when the PE panel cuts processing, generally fix through handheld.

Disclosure of Invention

The utility model aims to provide a PE plate slitting device which is reasonable in structural design, strong in practicability, convenient to move and adjust the position of a slitting blade, convenient to adjust the slitting width of a PE plate and capable of improving the use effect; and the PE plate can be stably and automatically clamped when being cut, so that the cutting stability is enhanced.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the PE plate slitting device comprises a bottom frame, wherein the upper end of the bottom frame is symmetrically connected with side plates, a slitting mechanism is arranged between the side plates, a clamping mechanism is arranged at the upper end of the bottom frame, an auxiliary mechanism is arranged between the side plates, and one sides of the side plates are connected with a fixing plate;

the clamping mechanism comprises a first L-shaped clamping plate, a fixed block, an L-shaped groove, a second L-shaped clamping plate, a toothed plate, a supporting shaft, a fourth gear, a first bevel gear, a second screw rod, a second thread block and an L-shaped rod, wherein the first L-shaped clamping plate and the second L-shaped clamping plate are respectively arranged at the upper ends of two side plates, one side of the first L-shaped clamping plate is provided with the fixed block, the upper end of the fixed block is provided with the L-shaped groove, one side of the fixed block is connected with the toothed plate, one of the upper ends of the fixed plate is movably connected with the supporting shaft, the outer side of the supporting shaft is sleeved with the fourth gear meshed with the toothed plate, the upper end of the fixed plate is commonly connected with a protective cover, the outer side of the protective cover is provided with a square groove, the supporting shaft is positioned in an inner cavity of the protective cover, the two sides of the protective cover are respectively provided with through grooves corresponding to the toothed plate positions, the outer side of the first bevel gear is meshed with the second bevel gear, the inner cavity of the second bevel gear is connected with the inner cavity of the second bevel gear, the inner cavity of the second bevel gear is connected with the second screw rod, the outer side of the second bevel gear is connected with the second screw rod through the second screw rod, and the outer side of the second screw rod is connected with the outer side of the L-shaped groove.

Further, cut the mechanism and include backup pad, first motor, first lead screw, connecting plate, riser, pivot, cut subassembly, first gear, second gear, loose axle, third gear, mounting panel, second motor and first screw thread piece, the backup pad is installed between two curb plates, first motor is installed to the upper end of backup pad, the output shaft of first motor passes through the first lead screw of coupling joint, the outside spiro union of first lead screw first screw thread piece, the upper end connection connecting plate of first screw thread piece, one side symmetry of connecting plate leaves the connection riser, jointly rotate between the riser and connect the pivot, two sets of subassemblies are cut to the outside of pivot cup joint, the one end of pivot runs through the riser and connects first gear, the outside meshing second gear of first gear, the loose axle is connected to the inner chamber of second gear, loose axle and one riser looks swing joint, one of them the second motor is installed through the mounting panel to the lower extreme of riser, the output of second motor is through third gear looks meshing with the second gear.

Further, the slitting assembly comprises a fixing sleeve, clamping grooves, a blade, clamping blocks and nut sleeves, wherein the fixing sleeve is connected to the outer side of a rotating shaft through screw threads, the clamping grooves are formed in the outer side of the fixing sleeve, the blade is sleeved on the outer side of the fixing sleeve, the lower end of the blade is provided with the clamping blocks matched with the clamping grooves in position, threads are formed in the outer side of the fixing sleeve, two nut sleeves are connected to the outer side of the fixing sleeve in a threaded mode, and the blade is located between the two nut sleeves.

Further, the lower extreme of first screw thread piece is connected with the stopper, one side of backup pad is connected with the limiting plate, the upper end of limiting plate is provided with the spacing groove with stopper position assorted.

Further, the auxiliary mechanism comprises a base plate, a sliding groove, a threaded column, a nut and a handle, wherein the base plate is arranged between the two side plates, the sliding groove is arranged at the upper end of the base plate, the threaded column is connected with the lower end of the second L-shaped clamping plate, the threaded column penetrates through the sliding groove and extends to the lower side of the sliding groove to be connected with the nut in a threaded manner, and the handle is connected to the outer side of the nut.

Further, one side of the first L-shaped clamping plate is provided with a mounting groove, an inner cavity of the mounting groove is connected with a telescopic rod, and one end of the telescopic rod is connected with the fixed block.

Compared with the prior art, the utility model has the beneficial effects that:

1. when the PE clamping device is used, one end of the PE plate is pushed to move by hand to drive the fixed block to move and then drive the toothed plate to move, the fourth gear meshed with the outer side of the toothed plate is driven to rotate, the fourth gear drives the support shaft and the first bevel gear on the outer side of the support shaft to rotate, the first bevel gear drives the second bevel gear and the second screw rod to rotate, the second screw rod drives the second threaded block on the outer side to move, so that the L-shaped rod at the lower end of the second threaded block passes through the square groove to drive the second L-shaped clamping plate to move towards the direction of the first L-shaped clamping plate, the first L-shaped clamping plate and the second L-shaped clamping plate clamp the PE plate to be fixed, and the handle drives the nut on the outer side of the threaded column to rotate and move upwards to compress the substrate, so that the first L-shaped clamping plate can be fixed, and stable automatic clamping and fixing are realized;

2. the blade compresses tightly fixedly in the draw-in groove in the fixed cover outside through fixture block joint, and rethread nut cover spiro union is in the fixed cover outside to it, when the width of cutting needs adjustment, compresses tightly fixedly once more after removing suitable distance with the blade through unscrewing nut cover, is convenient for adjust the width that PE panel cut, convenient to use, and has improved work efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the internal perspective structure of the present utility model;

FIG. 3 is a schematic view of a three-dimensional splitting structure of the splitting mechanism of the present utility model;

FIG. 4 is a schematic view of the splitting assembly of the present utility model;

FIG. 5 is a schematic view of a disassembling structure of the clamping mechanism of the present utility model;

fig. 6 is a schematic view of a partial perspective structure of the present utility model.

In the figure: 1. a chassis; 2. a side plate; 3. a slitting mechanism; 31. a support plate; 32. a first motor; 33. a first screw rod; 34. a connecting plate; 35. a riser; 36. a rotating shaft; 37. a slitting assembly; 371. a fixed sleeve; 372. a clamping groove; 373. a blade; 374. a clamping block; 375. a nut sleeve; 38. a first gear; 39. a second gear; 310. a movable shaft; 311. a third gear; 312. a mounting plate; 313. a second motor; 314. a first threaded block; 315. a limiting block; 316. a limiting plate; 317. a limit groove; 4. a clamping mechanism; 41. a first L-shaped splint; 42. a mounting groove; 43. a telescopic rod; 44. a fixed block; 45. an L-shaped groove; 46. a second L-shaped splint; 47. a toothed plate; 48. a support shaft; 49. a fourth gear; 410. a first bevel gear; 411. a second bevel gear; 412. a second screw rod; 413. a second threaded block; 414. an L-shaped rod; 5. an auxiliary mechanism; 51. a substrate; 52. a chute; 53. a threaded column; 54. a nut; 55. a handle; 6. a fixing plate; 7. a protective cover; 8. and (5) a square groove.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.

Referring to fig. 1-6, a PE sheet slitting device comprises a chassis 1, wherein the upper end of the chassis 1 is symmetrically connected with side plates 2, a slitting mechanism 3 is arranged between the side plates 2, the slitting mechanism 3 comprises a supporting plate 31, a first motor 32, a first screw rod 33, a connecting plate 34, a vertical plate 35, a rotating shaft 36, a slitting assembly 37, a first gear 38, a second gear 39, a movable shaft 310, a third gear 311, a mounting plate 312, a second motor 313 and a first thread block 314, the supporting plate 31 is arranged between the two side plates 2, the upper end of the supporting plate 31 is provided with the first motor 32, an output shaft of the first motor 32 is connected with the first screw rod 33 through a coupler, the outer side of the first screw rod 33 is in threaded connection with the first thread block 314, the upper end of the first thread block 314 is connected with the connecting plate 34, one side of the connecting plate 34 is symmetrically away from the connecting vertical plate 35, the rotating shaft 36 is in common rotation between the vertical plates 35, the outer side of the rotating shaft 36 is sleeved with two groups of the slitting assembly 37, one end of the rotating shaft 36 penetrates through the vertical plate 35 and is connected with the first gear 38, the outer side of the first gear 38 is meshed with the second gear 39, the inner cavity of the second gear 39 is connected with the movable shaft 310, the movable shaft 310 is movably connected with one vertical plate 35, the lower end of one vertical plate 35 is provided with a second motor 313 through a mounting plate 312, the output end of the second motor 313 is meshed with the second gear 39 through a third gear 311, the slitting assembly 37 comprises a fixing sleeve 371, a clamping groove 372, a blade 373, a clamping block 374 and a nut sleeve 375, the fixing sleeve 371 is connected to the outer side of the rotating shaft 36 through screw threads, a clamping groove 372 is arranged on the outer side of the fixing sleeve 371, the outer side of the fixing sleeve 371 is sleeved with the blade 373, the lower end of the blade 373 is provided with a clamping block 374 matched with the clamping groove 372 in position, the outer side of the fixing sleeve 371 is provided with screw threads, the outer side of the fixing sleeve 371 is in screw connection with two nut sleeves 375, the blade 373 is positioned between the two nut sleeves 375, the lower end of the first thread block 314 is connected with a limiting block 315, one side of the supporting plate 31 is connected with a limiting plate 316, the upper end of the limiting plate 316 is provided with a limiting groove 317 matched with the position of the limiting block 315, the first motor 32 is started, the output shaft of the first motor 32 drives the first screw rod 33 to rotate positively and negatively, the first screw rod 33 drives the first thread block 314 on the outer side to move left and right, the first thread block 314 drives the vertical plate 35 to move through the connecting plate 34, and the first thread block 314 stably moves in the limiting groove 317 at the upper end of the limiting block 315 through the limiting block 315; meanwhile, the second motor 313 drives the third gear 311 to rotate through the output shaft, the third gear 311 drives the second gear 39 to rotate, the second gear 39 drives the first gear 38 and the rotating shaft 36 in the inner cavity of the first gear to rotate, the rotating shaft 36 drives the blades 373 of the slitting assembly 37 on the outer side of the first gear to rotate for slitting operation, the vertical plates 35 are connected with the slitting assembly 37 through the rotating shaft 36, and the vertical plates 35 drive the slitting assembly 37 to move left and right for cutting operation, so that automatic cutting operation is realized; and blade 373 compresses tightly fixedly in the draw-in groove 372 in the fixed cover 371 outside through fixture block 374 joint, and rethread nut cover 375 spiro union is in the fixed cover 371 outside to it, when the width of cutting needs adjustment, compresses tightly fixedly once more through unscrewing nut cover 375 after moving blade 373 suitable distance, is convenient for adjust the width that PE panel cut, convenient to use, and has improved work efficiency.

The upper end of the underframe 1 is provided with a clamping mechanism 4, the clamping mechanism 4 comprises a first L-shaped clamping plate 41, a fixed block 44, an L-shaped groove 45, a second L-shaped clamping plate 46, a toothed plate 47, a supporting shaft 48, a fourth gear 49, a first bevel gear 410, a second bevel gear 411, a second screw rod 412, a second thread block 413 and an L-shaped rod 414, the first L-shaped clamping plate 41 and the second L-shaped clamping plate 46 are respectively arranged at the upper ends of the two side plates 2, one side of the first L-shaped clamping plate 41 is provided with the fixed block 44, the upper end of the fixed block 44 is provided with the L-shaped groove 45, one side of the fixed block 44 is connected with the toothed plate 47, the upper end of one fixed plate 6 is movably connected with a supporting shaft 48, the outer side of the supporting shaft 48 is sleeved with the fourth gear 49 meshed with the toothed plate 47, the upper end of the fixed plate 6 is jointly connected with a protective cover 7, the outer side of the protective cover 7 is provided with a square groove 8, the supporting shaft 48 is positioned in the inner cavity of the protective cover 7, the two sides of the protective cover 7 are respectively provided with a through groove corresponding to the position of the toothed plate 47, the outer side of the supporting shaft 48 is sleeved with a first bevel gear 410, the outer side of the first bevel gear 410 is meshed with a second bevel gear 411, the inner cavity of the second bevel gear 411 is connected with a second screw rod 412, one end of the second screw rod 412 is movably connected with the inner cavity of the protective cover 7, the outer side of the second screw rod 412 is in threaded connection with a second thread block 413, the outer side of the second thread block 413 passes through a square groove 8 through an L-shaped rod 414 and is connected with a second L-shaped clamping plate 46, one side of the first L-shaped clamping plate 41 is provided with a mounting groove 42, the inner cavity of the mounting groove 42 is connected with a telescopic rod 43, one end of the telescopic rod 43 is connected with a fixed block 44, one corner of a PE plate is arranged on the inner side of the first L-shaped clamping plate 41, one side of the PE plate is simultaneously arranged on the L-shaped groove 45 of the fixed block 44, the PE plate is manually pushed, one end of the PE plate pushes the fixing block 44 to move and then drives the toothed plate 47 to move, the fixing block 44 drives one end of the telescopic rod 43 to move along with the moving, and the other end of the telescopic rod 43 is positioned in the mounting groove 42 of the first L-shaped clamping plate 41, so that the fixing block 44 can stably move; the movement of the toothed plate 47 drives a fourth gear 49 meshed with the outer side of the toothed plate 47 to rotate, the fourth gear 49 drives a supporting shaft 48 and a first bevel gear 410 on the outer side of the supporting shaft to rotate, the first bevel gear 410 drives a second bevel gear 411 and a second screw rod 412 thereof to rotate, the second screw rod 412 drives a second thread block 413 on the outer side to move, so that an L-shaped rod 414 at the lower end of the second thread block 413 passes through the square groove 8 to drive the second L-shaped clamping plate 46 to move towards the direction of the first L-shaped clamping plate 41, and the PE plate is clamped and fixed by the first L-shaped clamping plate 41 and the second L-shaped clamping plate 46, thereby realizing automatic clamping and fixing.

An auxiliary mechanism 5 is arranged between the side plates 2, one side of the side plates 2 is connected with a fixed plate 6, the auxiliary mechanism 5 comprises a base plate 51, a chute 52, a threaded column 53, a nut 54 and a handle 55, the base plate 51 is arranged between the two side plates 2, the chute 52 is arranged at the upper end of the base plate 51, the threaded column 53 is connected with the lower end of the second L-shaped clamping plate 46, the threaded column 53 penetrates through the chute 52 and extends to the lower side of the threaded column to be in threaded connection with the nut 54, the handle 55 is connected with the outer side of the nut 54, and the movement stability of the second L-shaped clamping plate 46 is improved by moving the threaded column 53 at the lower end of the second L-shaped clamping plate 46 in the inner cavity of the chute 52 at the upper end of the base plate 51; and when the second L-shaped clamping plate 46 and the first L-shaped clamping plate 41 are clamped, the handle 55 drives the nut 54 at the outer side of the threaded column 53 to rotate and move upwards to press the base plate 51 by rotating the handle 55, so that the first L-shaped clamping plate 41 is fixed.

Working principle: when the PE plate is used, one corner of the PE plate is arranged on the inner side of the first L-shaped clamping plate 41 through the external control switch and connected with the first motor 32 and the second motor 313, one side of the PE plate is arranged on the L-shaped groove 45 of the fixed block 44, the PE plate is manually pushed, one end of the PE plate pushes the fixed block 44 to move and then drives the toothed plate 47 to move, the toothed plate 47 drives the fourth gear 49 meshed with the outer side to rotate, the fourth gear 49 drives the supporting shaft 48 and the first bevel gear 410 on the outer side thereof to rotate, the first bevel gear 410 drives the second bevel gear 411 and the second lead screw 412 to rotate, and the second lead screw 412 drives the second threaded block 413 on the outer side to move, so that the L-shaped rod 414 at the lower end of the second threaded block 413 passes through the square groove 8 to drive the second L-shaped clamping plate 46 to move towards the direction of the first L-shaped clamping plate 41, the first L-shaped clamping plate 41 and the second L-shaped clamping plate 46 clamp the PE plate to be clamped and fixed, and the threaded column 53 at the lower end of the second L-shaped clamping plate 46 moves in the inner cavity 52 at the upper end of the sliding groove 52 of the substrate 51, and the stability of the second L-shaped clamping plate 46 is improved; and by rotating the handle 55, the handle 55 drives the nut 54 at the outer side of the threaded column 53 to rotate and move upwards to compress the substrate 51, so as to fix the first L-shaped clamping plate 41, thereby realizing automatic clamping and fixing; the output shaft of the first motor 32 drives the first screw rod 33 to rotate in the forward and reverse directions, the first screw rod 33 drives the first thread blocks 314 on the outer side to move left and right, the first thread blocks 314 drive the vertical plates 35 to move through the connecting plates 34, the second motor 313 drives the third gear 311 to rotate through the output shaft, the third gear 311 drives the second gear 39 to rotate, the second gear 39 drives the first gear 38 and the rotating shaft 36 in the inner cavity of the first gear 38 to rotate, the rotating shaft 36 drives the blades 373 of the slitting assembly 37 on the outer side of the first gear 38 to rotate to perform slitting operation, the slitting assembly 37 is connected between the vertical plates 35 through the rotating shaft 36, and the vertical plates 35 drive the slitting assembly 37 to move left and right to perform cutting operation, so that automatic cutting operation is realized; blade 373 compresses tightly fixedly in the draw-in groove 372 in fixed cover 371 outside through fixture block 374 joint, and rethread nut cover 375 spiro union is in the fixed cover 371 outside to it, when needs are adjusted the width of cutting, compresses tightly fixedly once more after removing suitable distance with blade 373 through unscrewing nut cover 375, is convenient for adjust the width that PE panel cut, convenient to use, and has improved work efficiency.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (6)

1. The PE plate slitting device comprises an underframe (1), and is characterized in that the upper end of the underframe (1) is symmetrically connected with side plates (2), a slitting mechanism (3) is arranged between the side plates (2), a clamping mechanism (4) is arranged at the upper end of the underframe (1), an auxiliary mechanism (5) is arranged between the side plates (2), and one sides of the side plates (2) are connected with a fixed plate (6) together;

the clamping mechanism (4) comprises a first L-shaped clamping plate (41), a fixed block (44), L-shaped grooves (45), a second L-shaped clamping plate (46), a toothed plate (47), a supporting shaft (48), a fourth gear (49), a first bevel gear (410), a second bevel gear (411), a second screw rod (412), a second threaded block (413) and an L-shaped rod (414), wherein the first L-shaped clamping plate (41) and the second L-shaped clamping plate (46) are respectively arranged at the upper ends of two side plates (2), one side of the first L-shaped clamping plate (41) is provided with the fixed block (44), the upper end of the fixed block (44) is provided with the L-shaped grooves (45), one side of the fixed block (44) is connected with the toothed plate (47), the upper end of one fixed plate (6) is movably connected with the supporting shaft (48), the outer side of the supporting shaft (48) is sleeved with the fourth gear (49) meshed with the toothed plate (47), the upper end of the fixed plate (6) is jointly connected with a protective cover (7), the protective cover (7) is arranged at the outer side of the fixed block (44) and the two sides of the protective cover (7) are respectively provided with the inner cavities (7) corresponding to the toothed plate (47), the outside of back shaft (48) cup joints first bevel gear (410), the outside meshing second bevel gear (411) of first bevel gear (410), second lead screw (412) are connected to the inner chamber of second bevel gear (411), the one end of second lead screw (412) is movably connected with the inner chamber of protection casing (7), the outside spiro union second screw thread piece (413) of second lead screw (412), the outside of second screw thread piece (413) passes square groove (8) and is connected with second L type splint (46) through L type pole (414).

2. The PE sheet slitting device according to claim 1, wherein the slitting mechanism (3) comprises a supporting plate (31), a first motor (32), a first screw rod (33), a connecting plate (34), a vertical plate (35), a rotating shaft (36), a slitting assembly (37), a first gear (38), a second gear (39), a movable shaft (310), a third gear (311), a mounting plate (312), a second motor (313) and a first threaded block (314), the supporting plate (31) is mounted between two side plates (2), the upper end of the supporting plate (31) is provided with a first motor (32), an output shaft of the first motor (32) is connected with a first screw rod (33) through a coupling, the outer side of the first screw rod (33) is connected with the first threaded block (314), the upper end of the first threaded block (314) is connected with a connecting plate (34), one side of the connecting plate (34) is symmetrically separated from the connecting plate (35), the vertical plate (35) is connected with the rotating shaft (36) in a common rotation way, the outer side of the rotating shaft (36) is sleeved with the two sets of the slitting assembly (37), the first gear (38) is connected with the outer side of the first gear (38) through the first threaded block (38), the inner cavity of the second gear (39) is connected with a movable shaft (310), the movable shaft (310) is movably connected with a vertical plate (35), a second motor (313) is installed at the lower end of one vertical plate (35) through a mounting plate (312), and the output end of the second motor (313) is meshed with the second gear (39) through a third gear (311).

3. The PE sheet slitting device according to claim 2, wherein the slitting assembly (37) comprises a fixing sleeve (371), a clamping groove (372), a blade (373), a clamping block (374) and a nut sleeve (375), the fixing sleeve (371) is connected to the outer side of the rotating shaft (36) through screw threads, the clamping groove (372) is formed in the outer side of the fixing sleeve (371), the blade (373) is sleeved on the outer side of the fixing sleeve (371), the clamping block (374) matched with the clamping groove (372) in position is arranged at the lower end of the blade (373), threads are arranged on the outer side of the fixing sleeve (371), two nut sleeves (375) are connected to the outer side of the fixing sleeve (371) in a threaded mode, and the blade (373) is located between the two nut sleeves (375).

4. The PE panel slitting device according to claim 2, wherein the lower end of the first threaded block (314) is connected with a limiting block (315), one side of the supporting plate (31) is connected with a limiting plate (316), and a limiting groove (317) matched with the limiting block (315) in position is arranged at the upper end of the limiting plate (316).

5. The PE board slitting device according to claim 1, wherein the auxiliary mechanism (5) comprises a base plate (51), a sliding groove (52), a threaded column (53), a nut (54) and a handle (55), the base plate (51) is arranged between the two side plates (2), the sliding groove (52) is arranged at the upper end of the base plate (51), the threaded column (53) is connected to the lower end of the second L-shaped clamping plate (46), the threaded column (53) penetrates through the sliding groove (52) and extends to the lower side of the sliding groove, the nut (54) is connected to the lower side of the threaded column in a threaded mode, and the handle (55) is connected to the outer side of the nut (54).

6. The PE board cutting device according to claim 1, wherein a mounting groove (42) is formed in one side of the first L-shaped clamping board (41), a telescopic rod (43) is connected to an inner cavity of the mounting groove (42), and one end of the telescopic rod (43) is connected to a fixing block (44).