CN113649644B

CN113649644B - Building board cutting device

Info

Publication number: CN113649644B
Application number: CN202110869450.4A
Authority: CN
Inventors: 刘娜
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-06-21
Anticipated expiration: 2041-07-30
Also published as: CN113649644A

Abstract

The invention relates to the technical field of building plate cutting, in particular to a building plate cutting device which comprises a workbench, wherein a cutting groove is formed in the top end of the workbench. The fixed length plate can be adjusted to a proper position by rotating the rotating hand, the fixed length plate, the graduated scale and the pointer, the feeding is realized by the driving roller and the first rotating roller, meanwhile, the plate is fixedly pressed by the pressing block and the second rotating roller in the fixed pressing mechanism, after the plate is abutted against the plate, the first motor can work and the second motor can stop working and cannot feed through the first switch and the second switch, the cutting piece rotates, the user pulls the handle, the cutting piece can cut the plate, when the cutting piece resets, the cut plate can be pushed to slide down from one side of the workbench under the action of the connecting piece and the material pushing plate, the unloading of a user is facilitated, the device does not need the user to push materials for cutting, the fixed length cutting and the unloading can be continuously performed, the working time of the user is saved, and the working efficiency of the user is improved.

Description

Building board cutting device

Technical Field

The invention relates to the technical field of building board cutting, in particular to a building board cutting device.

Background

The plate is a flat rectangular building material plate with standard size, is applied to the building industry, is used as a component of a wall, a ceiling or a floor, and is also a metal plate formed by forging, rolling or casting, and when workers need to use the plate, the plate needs to be cut into a proper size for use;

the existing partial cutting device on the market at present can not cut with a fixed length, a user needs to use a marking pen to cut two sizes on a plate, and then the plate can be cut.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a building plate cutting device.

In order to achieve the purpose, the invention provides the following technical scheme: a building board cutting device comprises a workbench, wherein a cutting groove is formed in the top end of the workbench, a moving groove is formed in the middle of the workbench, a moving block is slidably connected inside the moving groove, a connecting groove is formed between the cutting groove and the moving groove, a first motor is arranged at the top of the moving block, the output end of the first motor extends into the cutting groove, a cutting blade is fixedly connected to the output end of the first motor and is positioned inside the cutting groove, a first spring is fixedly connected to one end of the moving block, one end of the first spring is fixedly connected with the inner wall of the moving groove, a pull groove is formed in one side of the workbench and is communicated with the moving groove, a pull rod is slidably connected inside the pull groove, one end of the pull rod is fixedly connected with the moving block, and a handle is fixedly connected to the other end of the pull rod, one side of the top end of the workbench is provided with a moving groove, a threaded rod is arranged in the moving groove, one end of the threaded rod is connected with the inner wall of the moving groove through a bearing, the other end of the threaded rod penetrates through the moving groove and extends to the outside of the workbench, one end of the threaded rod is fixedly connected with a rotating handle, the middle part of the threaded rod is connected with a threaded sleeve through a thread, the top end of the workbench is provided with a fixed length plate, the bottom end of the fixed length plate is fixedly connected with the threaded sleeve, the middle part of the fixed length plate is provided with a first switch, the middle part of the fixed length plate is provided with a second switch, one end of the workbench is provided with a second motor, the control end of the first motor is electrically connected with an external power supply through the first switch, the control end of the second motor is electrically connected with the external power supply through an external switch, and the control end of the second motor is electrically connected with the external power supply through the second switch, this device work of convenience of customers control, one side of deciding the length board is provided with and supports the board, the constant head tank has all been seted up at the both ends of deciding length board one side, the inside all sliding connection of constant head tank has the locating lever, and the one end of locating lever all with support board fixed connection, the all fixedly connected with second spring of the other end of locating lever, and the one end of second spring all with the inner wall fixed connection of constant head tank, the top fixedly connected with scale of workstation, the one end fixedly connected with pointer of deciding the length board, and the one end of pointer is located the top of scale, the one end of workstation is provided with feed mechanism, feed mechanism's top is provided with fixed hold-down mechanism, one side of first motor is provided with unloading mechanism, the bottom of cutting the groove is provided with collection mechanism.

Preferably, two sets of spouts have been seted up on the top of workstation, the inside all sliding connection of spout has the slider, and the top of slider all with fixed length board fixed connection, improves the stability that fixed length board removed.

Preferably, feed mechanism includes first roller groove, first commentaries on classics roller, drive roll, connecting rod, second motor and limiting plate, first roller groove has been seted up to the inside of workstation one end, the inside in first roller groove is connected with first commentaries on classics roller through the bearing is even, the one end of first roller inslot portion is connected with the drive roll through the bearing, the one end fixedly connected with connecting rod of drive roll, and the one end of connecting rod pass first roller groove and extend to the outside of workstation, and the output and the connecting rod fixed connection of second motor, two sets of limiting plates of top fixedly connected with of workstation, and the limiting plate is located the both sides in first roller groove respectively, convenience of customers feeding.

Preferably, fixed hold-down mechanism includes the mount, receives piece, briquetting, third spring, second roller groove and second and changes the roller, the one end fixed connection mount of workstation, and the mount is located the top of drive roll, the bottom fixedly connected with of mount receives the piece, the bottom sliding connection who receives the piece has the briquetting, two sets of third springs of top fixedly connected with of briquetting, and the top of third spring all with the inner wall fixed connection who receives a top, three sets of second roller grooves have been seted up to the bottom of briquetting, the inside in second roller groove all is connected with the second through the bearing and changes the roller, and convenience of customers fixes panel.

Preferably, the blanking mechanism comprises a groove, a blanking groove, a first slot, a second slot, a connecting piece, a sliding plate, a rotating shaft, a material pushing plate and a torsion spring, the bottom end of the workbench is provided with the groove, the top end of the workbench is provided with the blanking groove, the inner wall of the bottom end of the blanking groove is provided with the first slot, the inner wall of the bottom end of the moving groove is provided with the second slot, the bottom ends of the first slot and the second slot are both communicated with the groove, the inside of the blanking groove is slidably connected with the sliding plate, the inside of the groove is slidably connected with the connecting piece, the top end of the connecting piece respectively passes through the first slot and the second slot to be fixedly connected with the sliding plate and the moving block, the top end of the sliding plate is provided with the rotating shaft, both ends of the rotating shaft are fixedly connected with the inner wall of the sliding plate, one side of the top end of the sliding plate is provided with the material pushing plate, and the material pushing plate is rotatably connected with the rotating shaft, torsion springs are arranged inside the material pushing plate, and two ends of each torsion spring are fixedly connected with the inner wall of the material pushing plate and one end of the rotating shaft respectively, so that the material pushing device is convenient for a user to feed.

Preferably, collect the mechanism including fixed inserted block and collection plug-in components, the bottom fixedly connected with two sets of fixed inserted blocks of workstation, and fixed inserted block is located the both ends of cutting the groove respectively, sliding connection has the collection plug-in components between the fixed inserted block, and collects plug-in components and be located the bottom of cutting the groove, convenience of customers collects the sweeps.

Preferably, the surface of the driving roller is fixedly connected with a rubber sleeve, the thickness of the rubber sleeve is three millimeters, and the friction force of the driving roller to the plate is improved.

Compared with the prior art, the invention has the beneficial effects that:

the user can move the fixed length plate by rotating the rotating hand and the threaded rod, the fixed length plate can be adjusted to a proper position by the graduated scale and the pointer at one end of the fixed length plate, after the cutting length is set by the user, the user places the plate at the top end of the feeding mechanism, the plate is fed by the driving roller and the first rotating roller, meanwhile, the plate is fixedly pressed by the pressing block and the second rotating roller in the fixed pressing mechanism, when the plate is abutted against the abutting plate, the first motor can work and the second motor can stop working by the first switch and the second switch, at the moment, the feeding is not performed, the cutting blade rotates, the user pulls the handle, the cutting blade can cut the plate, after the cutting is completed, the cutting blade resets, at the moment, the cut plate can be pushed to slide down from one side of the workbench under the action of the connecting piece and the pushing plate, the unloading of the user is convenient, and the device does not need the user to push the material for cutting, after the length is set, the fixed-length cutting and the blanking can be continuously carried out, so that the working time of a user is saved, and the working efficiency of the user is improved.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic cross-sectional perspective view of the work table, the moving groove and the receiving block of the present invention;

FIG. 3 is an exploded perspective view of the table, tie rod and cutting blade of the present invention;

FIG. 4 is an exploded perspective view of the table, threaded rod and length plate of the present invention;

FIG. 5 is an exploded perspective view of the table and feed mechanism of the present invention;

FIG. 6 is an exploded perspective view of the fixed hold-down mechanism of the present invention;

FIG. 7 is an exploded perspective view of the table and collection mechanism of the present invention;

fig. 8 is an exploded perspective view of the blanking mechanism of the present invention.

In the figure: 1. a work table; 2. cutting the groove; 3. a moving groove; 4. a moving block; 5. connecting grooves; 6. a first motor; 7. cutting the slices; 8. a first spring; 9. groove drawing; 10. a pull rod; 11. a handle; 12. moving the groove; 13. a threaded rod; 14. turning the hand; 15. a threaded sleeve; 16. a fixed length plate; 17. a first switch; 18. a second switch; 19. a resisting plate; 20. positioning a groove; 21. positioning a rod; 22. a second spring; 23. a graduated scale; 24. a pointer; 25. a chute; 26. a slider; 27. a first roll trough; 28. a first rotating roller; 29. a drive roll; 30. a connecting rod; 31. a second motor; 32. a limiting plate; 33. a fixed mount; 34. collecting blocks; 35. briquetting; 36. a third spring; 37. a second roll trough; 38. a second rotating roller; 39. a groove; 40. a discharging groove; 41. a first slot; 42. a second slot; 43. a connecting member; 44. a slide plate; 45. a rotating shaft; 46. a material pushing plate; 47. a torsion spring; 48. fixing the inserting block; 49. the plug-in is collected.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, an embodiment of the present invention:

a building board cutting device comprises a workbench 1, a cutting groove 2 is formed in the top end of the workbench 1, a moving groove 3 is formed in the middle of the workbench 1, a moving block 4 is connected to the inside of the moving groove 3 in a sliding manner, a connecting groove 5 is formed between the cutting groove 2 and the moving groove 3, a first motor 6 is arranged at the top of the moving block 4, the output end of the first motor 6 extends to the inside of the cutting groove 2, a cutting blade 7 is fixedly connected to the output end of the first motor 6, the cutting blade 7 is located inside the cutting groove 2, a first spring 8 is fixedly connected to one end of the moving block 4, one end of the first spring 8 is fixedly connected with the inner wall of the moving groove 3, a pull groove 9 is formed in one side of the workbench 1, the pull groove 9 is communicated with the moving groove 3, a pull rod 10 is connected to the inside of the pull groove 9 in a sliding manner, one end of the pull rod 10 is fixedly connected with the moving block 4, and a pull handle 11 is fixedly connected to the other end of the pull rod 10, one side of the top end of the workbench 1 is provided with a moving groove 12, a threaded rod 13 is arranged inside the moving groove 12, one end of the threaded rod 13 is connected with the inner wall of the moving groove 12 through a bearing, the other end of the threaded rod 13 penetrates through the moving groove 12 and extends to the outside of the workbench 1, one end of the threaded rod 13 is fixedly connected with a rotating handle 14, the middle part of the threaded rod 13 is connected with a threaded sleeve 15 through a thread, the top end of the workbench 1 is provided with a fixed length plate 16, the bottom end of the fixed length plate 16 is fixedly connected with the threaded sleeve 15, the middle part of the fixed length plate 16 is provided with a first switch 17, the middle part of the fixed length plate 16 is provided with a second switch 18, one side of the fixed length plate 16 is provided with a resisting plate 19, two ends of one side of the fixed length plate 16 are both provided with positioning grooves 20, the insides of the positioning grooves 20 are both slidably connected with positioning rods 21, one ends of the positioning rods 21 are both fixedly connected with the resisting plate 19, the other ends of the positioning rods 21 are both fixedly connected with second springs 22, one end of the second spring 22 is fixedly connected with the inner wall of the positioning groove 20, the top end of the workbench 1 is fixedly connected with a graduated scale 23, one end of the fixed length plate 16 is fixedly connected with a pointer 24, one end of the pointer 24 is positioned at the top end of the graduated scale 23, one end of the workbench 1 is provided with a feeding mechanism, the top end of the feeding mechanism is provided with a fixed pressing mechanism, one side of the first motor 6 is provided with a blanking mechanism, and the bottom end of the cutting groove 2 is provided with a collecting mechanism;

furthermore, the control end of the first motor 6 is electrically connected with an external power supply through a first switch 17, the control end of the second motor 31 is electrically connected with the external power supply through an external switch, the control end of the second motor 31 is electrically connected with the external power supply through a second switch 18, so that a user can conveniently control the device to work, and further the working efficiency is improved, the blanking mechanism comprises a groove 39, a blanking groove 40, a first slot 41, a second slot 42, a connecting piece 43, a sliding plate 44, a rotating shaft 45, a material pushing plate 46 and a torsion spring 47, the bottom end of the workbench 1 is provided with the groove 39, the top end of the workbench 1 is provided with the blanking groove 40, the inner wall of the bottom end of the blanking groove 40 is provided with the first slot 41, the inner wall of the bottom end of the moving groove 3 is provided with the second slot 42, the bottom ends of the first slot 41 and the second slot 42 are both communicated with the groove 39, and the sliding plate 44 is slidably connected with the inner part of the blanking groove 40, the inside of the groove 39 is slidably connected with a connecting piece 43, the top end of the connecting piece 43 respectively passes through a first slot 41 and a second slot 42 to be fixedly connected with a sliding plate 44 and a moving block 4, the top end of the sliding plate 44 is provided with a rotating shaft 45, both ends of the rotating shaft 45 are fixedly connected with the inner wall of the sliding plate 44, one side of the top end of the sliding plate 44 is provided with a material pushing plate 46, the material pushing plate 46 is rotatably connected with the rotating shaft 45, a torsion spring 47 is arranged inside the material pushing plate 46, both ends of the torsion spring 47 are respectively fixedly connected with the inner wall of the material pushing plate 46 and one end of the rotating shaft 45, the reset moving block 4 drives the sliding plate 44 to reset through the connecting piece 43, the reset sliding plate 44 can push the cut plate to move through the material pushing plate 46, the cut plate slides down from one side of the workbench 1, and thus the blanking by a user is convenient;

further, two sets of chutes 25 are formed in the top end of the workbench 1, the inside of each chute 25 is slidably connected with a slider 26, the top end of each slider 26 is fixedly connected with the fixed length plate 16, the movable fixed length plate 16 drives the sliders 26 to slide in the chutes 25, the moving stability of the fixed length plate 16 can be improved, the collecting mechanism comprises a fixed insert 48 and a collecting insert 49, the bottom end of the workbench 1 is fixedly connected with two sets of fixed inserts 48, the fixed inserts 48 are respectively located at two ends of the cutting groove 2, the collecting insert 49 is slidably connected between the fixed inserts 48, the collecting insert 49 is located at the bottom end of the cutting groove 2, when cutting is performed, scraps cut by the cutting blade 7 enter the inside of the collecting insert 49 through the cutting groove 2, the collected insert 49 is collected in a centralized manner, a user can collect the generated scraps conveniently, the user can clean conveniently, and the feeding mechanism comprises a first roller groove 27, The plate-rolling machine comprises a first rotating roller 28, a driving roller 29, a connecting rod 30, a second motor 31 and limiting plates 32, wherein a first roller groove 27 is formed in one end of a workbench 1, the first rotating roller 28 is uniformly connected in the first roller groove 27 through a bearing, the driving roller 29 is connected at one end in the first roller groove 27 through a bearing, the connecting rod 30 is fixedly connected at one end of the driving roller 29, one end of the connecting rod 30 penetrates through the first roller groove 27 and extends to the outside of the workbench 1, the second motor 31 is arranged at one end of the workbench 1, the output end of the second motor 31 is fixedly connected with the connecting rod 30, two groups of limiting plates 32 are fixedly connected at the top end of the workbench 1, the limiting plates 32 are respectively positioned at two sides of the first roller groove 27, the output end of the second motor 31 drives the connecting rod 30 to rotate, the connecting rod 30 drives the driving roller 29 to rotate, the rotating driving roller 29 can move plates under the action of a second rotating roller 38, the feeding is convenient for users, the surface of the driving roller 29 is fixedly connected with a rubber sleeve, the thickness of the rubber sleeve is three millimeters, the rubber sleeve can increase the friction force between the plate and the driving roller 29, and the driving roller 29 can drive the plate to move conveniently, the fixed pressing mechanism comprises a fixed frame 33, a receiving block 34, a pressing block 35, a third spring 36, a second roller groove 37 and a second roller 38, one end of the workbench 1 is fixedly connected with the fixed frame 33, the fixed frame 33 is positioned at the top end of the driving roller 29, the bottom end of the fixed frame 33 is fixedly connected with the receiving block 34, the bottom end of the receiving block 34 is connected with the pressing block 35 in a sliding manner, the top end of the pressing block 35 is fixedly connected with two groups of third springs 36, the top ends of the third springs 36 are fixedly connected with the inner wall at the top end of the receiving block 34, the bottom end of the pressing block 35 is provided with three groups of second roller grooves 37, the interior of the second roller grooves 37 are connected with the second roller 38 through bearings, and users push the pressing block 35 upwards, the upward moving pressing block 35 moves towards the inside of the receiving block 34, the pressing block 35 compresses the third spring 36, a user places the plate on the top ends of the first rotating roller 28 and the driving roller 29, then the user loosens the pressing block 35, and the pressing block 35 can press down and fix the plate under the self resilience force of the third spring 36, so that the user can fix the plate conveniently.

The working principle is as follows: when a user uses the device, the user rotates the rotating hand 14, the rotating hand 14 drives the threaded rod 13 to rotate, the rotating threaded rod 13 can enable the threaded sleeve 15 to move in the moving groove 12, the threaded sleeve 15 drives the fixed length plate 16 and the abutting plate 19 to move, the user can set the cutting length through the pointer 24 and the graduated scale 23 at one end of the fixed length plate 16, after the user finishes setting, the user pushes the pressing block 35 upwards, the upward moving pressing block 35 moves towards the inside of the receiving block 34, the pressing block 35 compresses the third spring 36, the user places the plate on the top ends of the first rotating roller 28 and the driving roller 29, then the user releases the pressing block 35, at the moment, the pressing block 35 can press and fix the plate under the self resilience force of the third spring 36, the user starts the second motor 31 to work through the external switch, the output end of the second motor 31 drives the connecting rod 30 to rotate, the connecting rod 30 drives the driving roller 29 to rotate, the rotating driving roller 29 can move the plate under the action of the second rotating roller 38, the first rotating roller 28 in the first roller groove 27 can reduce the friction force between the plate and the workbench 1, so as to facilitate the movement of the plate, after the plate is abutted against the abutting plate 19, the abutting plate 19 drives the positioning rod 21 to move towards the inside of the positioning groove 20, the moving positioning rod 21 can compress the second spring 22, meanwhile, the abutting plate 19 can extrude the first switch 17 and the second switch 18, after extrusion, the second motor 31 can stop working under the action of the second switch 18, at this time, feeding is not performed, at the same time, the first motor 6 can work under the action of the first switch 17, the output end of the first motor 6 drives the cutting piece 7 to rotate, at this time, a user holds the handle 11, pulls the handle 11, the handle 11 drives the pull rod 10 to move in the pull groove 9 and the moving groove 3, the moving rod 10 drives the moving block 4 to move in the moving groove 3, the moving block 4 can stretch the first spring 8, the moving block 4 drives the connecting piece 43 to move, the moving connecting piece 43 drives the sliding plate 44 to slide in the blanking slot 40, when the cutting blade 7 contacts the plate, the material pushing plate 46 contacts the plate, the user continues to pull the handle 11, the material pushing plate 46 abuts against the plate, the material pushing plate 46 makes circular motion around the central axis of the rotating shaft 45, the rotating slide block 26 can compress the torsion spring 47, when the user finishes cutting through the cutting blade 7, the material pushing plate 46 does not abut against the plate, the material pushing plate 46 can reset under the resilience of the torsion spring 47, after the user slowly releases the handle 11, the moving block 4 resets under the self resilience of the first spring 8, the resetting moving block 4 drives the sliding plate 44 to reset through the connecting piece 43, the reset sliding plate 44 can push the cut plate to move through the material pushing plate 46, when the first motor 6 and the sliding plate 44 return to the original positions, the plate is not in contact with the abutting plate 19 at the moment, the positioning rod 21 and the abutting plate 19 can be reset under the action of the self resilience force of the second spring 22, the abutting plate 19 is not in contact with the first switch 17 and the second switch 18 at the moment, the first motor 6 stops rotating, the second motor 31 starts to work, the feeding can be continued under the action of the second motor 31 and the driving roller 29, the cut plate slides down from one side of the workbench 1, when cutting, the scraps cut by the cutting blade 7 enter the inside of the collecting plug-in piece 49 through the cutting groove 2 and are collected by the collecting plug-in piece 49 in a centralized manner, a user can collect the produced scraps conveniently, the user can clean the collecting plug-in a sanitary manner conveniently, after the user cuts, the collecting plug-in piece 49 can be pulled to take down the collecting plug-in piece 49, after being taken off, the user cleans up the collecting plug-in 49 and then inserts it back between the table 1 and the fixed plug-in block 48.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A building board cutting device, includes workstation (1), its characterized in that: a cutting groove (2) is formed in the top end of the workbench (1), a moving groove (3) is formed in the middle of the workbench (1), a moving block (4) is connected to the inside of the moving groove (3) in a sliding manner, a connecting groove (5) is formed between the cutting groove (2) and the moving groove (3), a first motor (6) is arranged at the top of the moving block (4), the output end of the first motor (6) extends to the inside of the cutting groove (2), a cutting blade (7) is fixedly connected to the output end of the first motor (6), the cutting blade (7) is located inside the cutting groove (2), a first spring (8) is fixedly connected to one end of the moving block (4), one end of the first spring (8) is fixedly connected with the inner wall of the moving groove (3), a pull groove (9) is formed in one side of the workbench (1), and the pull groove (9) is communicated with the moving groove (3), a pull rod (10) is connected to the inside of the pull groove (9) in a sliding manner, one end of the pull rod (10) is fixedly connected with the moving block (4), a handle (11) is fixedly connected to the other end of the pull rod (10), a moving groove (12) is formed in one side of the top end of the workbench (1), a threaded rod (13) is arranged inside the moving groove (12), one end of the threaded rod (13) is connected with the inner wall of the moving groove (12) through a bearing, the other end of the threaded rod (13) penetrates through the moving groove (12) and extends to the outside of the workbench (1), a rotating handle (14) is fixedly connected to one end of the threaded rod (13), a threaded sleeve (15) is connected to the middle of the threaded rod (13) through threads, a fixed length plate (16) is arranged at the top end of the workbench (1), the bottom end of the fixed length plate (16) is fixedly connected with the threaded sleeve (15), and a first switch (17) is arranged at the middle of the fixed length plate (16), a second switch (18) is arranged in the middle of the fixed length plate (16), a second motor (31) is arranged at one end of the workbench (1), the control end of the first motor (6) is electrically connected with an external power supply through a first switch (17), the control end of the second motor (31) is electrically connected with the external power supply through an external switch, the control end of the second motor (31) is electrically connected with the external power supply through a second switch (18), a supporting plate (19) is arranged at one side of the fixed length plate (16), positioning grooves (20) are formed in two ends of one side of the fixed length plate (16), the positioning rods (21) are slidably connected inside the positioning grooves (20), one ends of the positioning rods (21) are fixedly connected with the supporting plate (19), the other ends of the positioning rods (21) are fixedly connected with second springs (22), and one ends of the second springs (22) are fixedly connected with the inner walls of the positioning grooves (20), the top fixedly connected with scale (23) of workstation (1), the one end fixedly connected with pointer (24) of deciding length board (16), and the one end of pointer (24) is located the top of scale (23), the one end of workstation (1) is provided with feed mechanism, feed mechanism's top is provided with fixed hold-down mechanism, one side of first motor (6) is provided with unloading mechanism, the bottom of cutting cut groove (2) is provided with the collection mechanism.

2. The building board cutting device according to claim 1, wherein: two sets of spout (25) have been seted up on the top of workstation (1), the inside of spout (25) all sliding connection has slider (26), and the top of slider (26) all with decide long plate (16) fixed connection.

3. The building board cutting device according to claim 1, wherein: the feeding mechanism comprises a first roller groove (27), a first rotating roller (28), a driving roller (29), a connecting rod (30), a second motor (31) and a limiting plate (32), a first roller groove (27) is arranged in one end of the workbench (1), a first rotating roller (28) is uniformly connected in the first roller groove (27) through a bearing, one end inside the first roller groove (27) is connected with a driving roller (29) through a bearing, one end of the driving roller (29) is fixedly connected with a connecting rod (30), and one end of the connecting rod (30) passes through the first roller groove (27) and extends to the outside of the workbench (1), and the output and the connecting rod (30) fixed connection of second motor (31), two sets of limiting plates (32) of top fixedly connected with of workstation (1), and limiting plate (32) are located the both sides of first roll groove (27) respectively.

4. A building board cutting apparatus as claimed in claim 1, wherein: fixed hold-down mechanism includes mount (33), receipts piece (34), briquetting (35), third spring (36), second roller groove (37) and second commentaries on classics roller (38), the one end fixed connection mount (33) of workstation (1), and mount (33) are located the top of drive roll (29), the bottom fixedly connected with of mount (33) receives piece (34), the bottom sliding connection who receives piece (34) has briquetting (35), two sets of third spring (36) of top fixedly connected with of briquetting (35), and the top of third spring (36) all with the inner wall fixed connection who receives piece (34) top, three sets of second roller groove (37) have been seted up to the bottom of briquetting (35), the inside of second roller groove (37) all is connected with the second through the bearing and changes roller (38).

5. A building board cutting apparatus as claimed in claim 1, wherein: the blanking mechanism comprises a groove (39), a blanking groove (40), a first slot (41), a second slot (42), a connecting piece (43), a sliding plate (44), a rotating shaft (45), a material pushing plate (46) and a torsion spring (47), wherein the groove (39) is formed in the bottom end of the workbench (1), the blanking groove (40) is formed in the top end of the workbench (1), the first slot (41) is formed in the inner wall of the bottom end of the blanking groove (40), the second slot (42) is formed in the inner wall of the bottom end of the movable groove (3), the bottom ends of the first slot (41) and the second slot (42) are communicated with the groove (39), the sliding plate (44) is connected to the inner portion of the blanking groove (40) in a sliding mode, the connecting piece (43) is connected to the inner portion of the groove (39) in a sliding mode, and the top end of the connecting piece (43) penetrates through the first slot (41) and the second slot (42) respectively to be fixedly connected with the sliding plate (44) and the movable block (4), the top of slide (44) is provided with pivot (45), and the both ends of pivot (45) all with the inner wall fixed connection of slide (44), one side on slide (44) top is provided with scraping wings (46), and scraping wings (46) and pivot (45) rotate and be connected, the inside of scraping wings (46) is provided with torsion spring (47), and torsion spring (47) both ends respectively with the inner wall of scraping wings (46) and the one end fixed connection of pivot (45).

6. A building board cutting apparatus as claimed in claim 1, wherein: collect mechanism including fixed inserted block (48) and collection plug-in components (49), the bottom fixedly connected with two sets of fixed inserted blocks (48) of workstation (1), and fixed inserted block (48) are located the both ends of cutting cut groove (2) respectively, sliding connection has between fixed inserted block (48) collects plug-in components (49), and collects plug-in components (49) and is located the bottom of cutting cut groove (2).

7. A building board cutting apparatus as claimed in claim 3, wherein: the surface of the driving roller (29) is fixedly connected with a rubber sleeve, and the thickness of the rubber sleeve is three millimeters.