CN111136341A

CN111136341A - Building material cutting device

Info

Publication number: CN111136341A
Application number: CN202010032280.XA
Authority: CN
Inventors: 程小春
Original assignee: Zhejiang Guangsha College of Applied Construction Technology
Current assignee: Zhejiang Guangsha College of Applied Construction Technology
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-05-12
Anticipated expiration: 2040-01-13
Also published as: CN111136341B

Abstract

The invention relates to a cutting device, in particular to a building material cutting device. The device comprises a placing and moving platform, a long opening, a shaft I, a roller, an inclined part I, a measuring and collecting platform, an inclined part II, a three-way seat, a wheel, a pushing frame, a pushing plate, a screw rod I, a screw rod frame, a belt wheel, a transmission belt and a motor I. The middle part of a gap between the inclined part I and the inclined part II is convenient for auxiliary measurement of a plate to be cut; the plate is moved transversely, the occupied space of the long-edge plate due to back and forth movement is reduced, and the space utilization rate of a processing field is improved; the plate can be moved and fixed, cut and released continuously in the process of entering the next station from one station, the cutting position is accurate, and the maintenance of equipment is convenient.

Description

Building material cutting device

Technical Field

The invention relates to a cutting device, in particular to a building material cutting device.

Background

For example, publication No. CN107309688A presss from both sides tight effectual building cutting machine, including the under casing, the left side fixedly connected with electric telescopic handle at under casing top, electric telescopic handle's top fixedly connected with backup pad, the right side fixedly connected with riser of backup pad bottom, the left bottom fixedly connected with cutting device of riser, the bottom fixedly connected with motor on under casing inner wall right side, the output fixedly connected with worm of motor. The building cutting machine with the good clamping effect has the advantages that the clamping effect is poor, shaking or moving phenomena are easy to occur during cutting, a user needs to cut again, a large amount of financial resources and time are wasted, and the practicability of the building cutting machine is reduced; however, the cutting machine has poor operation continuity, and the clamping mode is inconvenient for quickly clamping the building board with larger weight.

Disclosure of Invention

The invention aims to provide a building material cutting device which can optimize the floor space of equipment and has high processing continuity on building boards with larger weight.

The purpose of the invention is realized by the following technical scheme:

the utility model provides a building material cutting device, includes to put and moves platform, tang, axle I, roller, oblique portion I, survey and receive platform, oblique portion II, three-dimensional seat and wheel, put and be equipped with the tang on moving the platform, I rigid coupling of axle just is located the tang on putting moving the platform, and oblique portion I sets up the left end of putting moving the platform, surveys and receives the platform setting and is putting the left side of moving the platform, and the right-hand member of surveying receiving the platform is equipped with oblique portion II, and the three-dimensional seat is provided with two, surveys the front and back both ends of receiving the platform rigid coupling respectively on two three-dimensional seats.

This building material cutting device still pushes away frame, push pedal, lead screw I, lead screw frame, band pulley, drive belt and motor I including dialling, dial the lower extreme rigid coupling push pedal that pushes away the frame, both ends difference threaded connection is on two lead screw I around the push pedal, two lead screw I rotate respectively to be connected on two lead screw frames, a band pulley of two right-hand members of lead screw I rigid couplings respectively, two band pulleys pass through drive belt and connect, the output shaft of motor I and the left end rigid coupling of one of them lead screw I, I rigid couplings of motor are on the lead screw frame that corresponds position department, two lead screw frames difference rigid couplings are putting the front and back both ends that move the platform.

This building material cutting device still includes the axle bed, supplies platform, round bar, presses solid board I, spacing portion I and compression spring I, survey axle bed of both ends rigid coupling respectively around the receipts platform, the platform rigid coupling that supplies is on the axle bed, and two round bars of right side sliding connection who supplies the platform change, press solid board I rigid coupling at the lower extreme of two round bars, spacing portion I of upper end rigid coupling respectively of two round bars, the cover has a compression spring I on two round bars respectively, and two compression spring I all are located and change and supply the platform and press solid between the board I.

The building material cutting device further comprises an opening part, and the opening part is arranged at the right end of the pressing and fixing plate I.

The building material cutting device further comprises a shaft seat, a shaft II and a motor III, wherein the front end and the rear end of the measuring and collecting platform are fixedly connected with the shaft seat respectively, the left end of the rotary supply platform is fixedly connected with the shaft II instead of the rotary supply platform and fixedly connected onto the shaft seat, an output shaft of the motor III is fixedly connected with one end of the shaft II, the motor III is fixedly connected onto the shaft seat, and two ends of the shaft II are rotatably connected onto the two shaft seats respectively.

This building material cutting device still includes motor II, survey the downside rigid coupling of receiving the platform left end and replace surveying to receive the platform and install on two three-dimensional seats on motor II's output shaft, the both ends of motor II output shaft rotate respectively and connect the upside at two three-dimensional seats, motor II with correspond the three-dimensional seat rigid coupling of position department.

The building material cutting device further comprises a bottom beam and an electric push rod I, wherein two ends of the bottom beam are fixedly connected with the two three-way seats respectively, and the right end of the bottom beam is fixedly connected with the movable end of the electric push rod I.

This building material cutting device still includes receiving station, erection column, electric putter II, push-up platform, round bar II, consolidated board II, spacing portion II and compression spring II, respectively rigid coupling erection column on two three-dimensional seats, receiving station of rigid coupling respectively on two erection columns, two receiving stations are located respectively and survey the left end downside at receiving platform front and back both ends, electric putter II of rigid coupling respectively on two three-dimensional seats, push-up platform of movable end rigid coupling respectively of two electric putter II, two round bar II of equal sliding connection on every push-up platform, the below of every push-up platform all is equipped with a consolidated board II, every consolidated board II all with the lower extreme rigid coupling that corresponds position department round bar II, the equal rigid coupling spacing portion II in upper end of every round bar II, it has compression spring II all to overlap on every round bar II, compression spring II is located push-up platform and consolidated between the board II.

This building material cutting device still includes mouth, convex part, carousel and screw rod, survey one side of receiving the platform and be equipped with the mouth, the convex part sets up on pressing solid board I and is located directly over the mouth, the upper end rigid coupling screw rod of carousel, screw rod threaded connection in the mouth.

This building material cutting device is still including receiving sediment case and pad portion, receive the sediment case setting under between oblique portion I and oblique portion II, take up when oblique portion II is the horizontality and support the left end of receiving sediment case up end.

The building material cutting device has the beneficial effects that:

the middle part of a gap between the inclined part I and the inclined part II is convenient for auxiliary measurement of a plate to be cut; the plate is moved transversely, the occupied space of the long-edge plate due to back and forth movement is reduced, and the space utilization rate of a processing field is improved; the plate can be moved and fixed, cut and released continuously in the process of entering the next station from one station, the cutting position is accurate, and the maintenance of equipment is convenient.

Drawings

The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic view of the overall construction of a construction material cutting apparatus according to the present invention;

FIG. 2 is a partial schematic view of the first embodiment of the present invention;

FIG. 3 is a second partial schematic structural view of the present invention;

FIG. 4 is a third schematic view of a portion of the present invention;

FIG. 5 is a fourth schematic view of a portion of the present invention;

FIG. 6 is a schematic diagram of a portion of the present invention;

FIG. 7 is a schematic diagram six of a portion of the present invention;

FIG. 8 is a seventh schematic view of a portion of the present invention;

fig. 9 is a partial structural schematic view eight of the present invention.

In the figure: placing and moving the platform 1; a long opening 101; a shaft I102; a roller 103; an oblique portion I104; a pushing frame 2; a push plate 201; a lead screw I202; a screw frame 203; a pulley 204; a transmission belt 205; a motor I206; a measuring and collecting platform 3; a shaft seat 301; a bevel II 302; a through opening 303; a motor II 304; a bottom beam 305; a three-way seat 306; a wheel 307; an electric push rod I308; a transfer table 4; shaft II 401; a motor III 402; a round bar 403; a pressing and fixing plate I404; a convex portion 405; a limiting part I406; a compression spring I407; a lift-up portion 408; a slag collection box 5; a pad portion 501; a receiving station 6; a mounting post 601; an electric push rod II 7; a top stage 8; a round bar II 801; pressing and fixing the plate II 802; a limiting part II 803; a compression spring II 804; a turntable 9; a screw 901.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

as shown in fig. 1-9, a building material cutting device, including putting platform 1, long mouthful 101, axle I102, roller 103, oblique portion I104, survey and receive platform 3, oblique portion II 302, three-way seat 306 and wheel 307, it is equipped with long mouthful 101 on the platform 1 to put to move, and axle I102 rigid coupling just is located long mouthful 101 on putting platform 1, and I104 setting of oblique portion is in the left end of putting platform 1, surveys and receives platform 3 and sets up in the left side of putting platform 1, surveys and receives the right-hand member of platform 3 and is equipped with oblique portion II 302, and three-way seat 306 is provided with two, surveys and receive platform 3's front and back both ends rigid coupling respectively on two three-way seats 306. The long edge of a plate is placed on the placing and moving platform 1 from front to back, the outer end face of the roller 103 is tangent to the upper end face of the placing and moving platform 1, the plate is contacted with the roller 103 and then is moved more conveniently by the rotation of the roller 103, the position of the plate needing to be cut is moved between the inclined part I104 and the inclined part II 302, the plate is conveniently cut by a manual cutting machine or a handheld cutting machine, or a cutting device capable of moving in front and back and up and down two degrees of freedom is erected right above the inclined part I104 and the inclined part II 302, the cutting operation is carried out by moving the cutting device, the cutting device can adopt the existing products on the market according to requirements, as a gap is generated between the inclined part I104 and the inclined part II 302, the cutting blade can completely penetrate through the plate during cutting, the cut powder and the like are convenient to clean in the gap so as to intensively treat the powder, and most of the powder can directly fall in the gap, the upper end faces of the placing platform 1 and the measuring and collecting platform 3 coincide, when the plate moves leftwards, the left end face of the plate is located on the left side of the gap, the distance between the left end face and the middle of the gap is the width of the cut plate, auxiliary measurement is facilitated, the plate moves transversely, the occupied space is reduced due to the fact that the plate moves forwards and backwards, and the space utilization rate of a processing field is improved.

The second embodiment is as follows:

as shown in fig. 1-9, the building material cutting device further includes a pulling frame 2, a pushing plate 201, a screw rod i 202, a screw rod frame 203, a belt pulley 204, a transmission belt 205 and a motor i 206, the pushing plate 201 is fixedly connected to the lower end of the pulling frame 2, the front end and the rear end of the pushing plate 201 are respectively connected to the two screw rods i 202 through threads, the two screw rods i 202 are respectively rotatably connected to the two screw rod frames 203, the right ends of the two screw rods i 202 are respectively fixedly connected to the belt pulley 204, the two belt pulleys 204 are in transmission connection through the transmission belt 205, the output shaft of the motor i 206 is fixedly connected to the left end of one of the screw rods i 202, the motor i 206 is fixedly connected to the screw rod frame 203 at the corresponding position, and the two screw rod frames 203. The starter motor I206, the output shaft of motor I206 drives I202 rotation of lead screw rather than being connected, make another I202 rotation of lead screw through the synchronous drive of band pulley 204 and drive belt 205, and then dial and push away frame 2 can the side-to-side motion on two I202 lead screws, push pedal 201 is close to the up end setting of platform 1 of putting, the preferred two has concurrently and is 1-3 millimeters, push pedal 201 promotes panel left motion when moving left, and then make panel can be accurate left motion, control cutting position and then accurate cutting. Partial space can be reserved at the right end of the moving platform 1 and is used for placing plates to be pushed.

The third concrete implementation mode:

as shown in fig. 1-9, the building material cutting device further comprises a shaft seat 301, a transfer platform 4, round rods 403, a pressing and fixing plate i 404, a limiting portion i 406 and compression springs i 407, wherein the front end and the rear end of the measuring and collecting platform 3 are respectively and fixedly connected with the shaft seat 301, the transfer platform 4 is fixedly connected to the shaft seat 301, the right side of the transfer platform 4 is slidably connected with the two round rods 403, the pressing and fixing plate i 404 is fixedly connected to the lower ends of the two round rods 403, the upper ends of the two round rods 403 are respectively and fixedly connected with the limiting portion i 406, the two round rods 403 are respectively sleeved with the compression springs i 407, and the two compression springs i 407 are both located between the transfer platform 4 and the pressing and fixing plate i 404. Pressing solid board I404 is close to and produces the gap setting between I104 of slope and the II 302 of slope, nevertheless should consider the reservation distance that cutting equipment should reserve when cutting, and pressing solid board I404 carries out from top to bottom's application of force to panel through compression spring I407's thrust and fixes.

The fourth concrete implementation mode:

as shown in fig. 1 to 9, the building material cutting device further comprises an opening portion 408, and the opening portion 408 is disposed at the right end of the pressing plate i 404. The raised portion 408 facilitates the plate to be directly pushed into the lower portion of the press-fixing plate i 404 for fixing.

The fifth concrete implementation mode:

as shown in fig. 1-9, the building material cutting device further includes a shaft seat 301, a shaft ii 401 and a motor iii 402, the front and rear ends of the measuring and collecting platform 3 are respectively and fixedly connected with the shaft seat 301, the left end of the transfer platform 4 is fixedly connected with the shaft ii 401 instead of the transfer platform 4 and is fixedly connected with the shaft seat 301, the output shaft of the motor iii 402 is fixedly connected with one end of the shaft ii 401, the motor iii 402 is fixedly connected with the shaft seat 301, and two ends of the shaft ii 401 are respectively and rotatably connected with the two shaft seats 301. Starting motor III 402, motor III 402's output shaft drives II 401 rotations of axle, and II 401 drives of axle and changes and supply 4 rotations of platform, makes to change and supplies 4 anticlockwise rotations 90 degrees of platform, makes the solid board of pressure I404 break away from fixed panel, is convenient for will take off the panel after the cutting.

The sixth specific implementation mode:

as shown in fig. 1-9, the building material cutting device further comprises a motor ii 304, the lower side of the left end of the measuring and collecting platform 3 is fixedly connected to the output shaft of the motor ii 304 to replace the measuring and collecting platform 3 to be installed on the two three-way seats 306, two ends of the output shaft of the motor ii 304 are respectively rotatably connected to the upper sides of the two three-way seats 306, and the motor ii 304 is fixedly connected with the three-way seats 306 at the corresponding position. The output shaft of the starting motor II 304, the motor II 304 drives the measuring and collecting platform 3 to rotate, so that the measuring and collecting platform 3 rotates anticlockwise, for example, the measuring and collecting platform 3 rotates anticlockwise by 45 degrees, the plate which is cut and fixed is cancelled on the measuring and collecting platform 3 can slide downwards, and the plate can conveniently enter the next station.

The seventh embodiment:

as shown in fig. 1-9, the building material cutting device further comprises a bottom beam 305 and an electric push rod i 308, wherein two ends of the bottom beam 305 are fixedly connected with two three-way seats 306 respectively, and the right end of the bottom beam 305 is fixedly connected with the movable end of the electric push rod i 308. Start electric putter 308, electric putter 308 drives floorbar 305 side-to-side motion, and then survey and receive platform 3 and the part on it can side-to-side motion, when making panel enter into next station, can make earlier survey and receive platform 3 one end distance that moves left, can make the panel that cuts off survey promptly and receive panel on the platform 3 can not touch with the panel on the platform 1 of putting when anticlockwise rotation, need not that push pedal 201 to return one section distance promptly and the panel that cuts can not drive the panel motion on putting the platform 1, the collision between noise abatement and panel and the panel.

The specific implementation mode is eight:

as shown in fig. 1-9, the building material cutting device further comprises a receiving platform 6, a mounting column 601, an electric push rod ii 7, a top platform 8, a round bar ii 801, a press-fixing plate ii 802, a limiting portion ii 803 and a compression spring ii 804, wherein the two three-way seats 306 are respectively fixedly connected with one mounting column 601, the two mounting columns 601 are respectively fixedly connected with one receiving platform 6, the two receiving platforms 6 are respectively positioned at the lower sides of the left ends of the front and rear ends of the measuring and collecting platform 3, the two three-way seats 306 are respectively fixedly connected with one electric push rod ii 7, the movable ends of the two electric push rods ii 7 are respectively fixedly connected with one top platform 8, each top platform 8 is slidably connected with two round bars ii 801, a press-fixing plate ii 802 is arranged below each top platform 8, each press-fixing plate ii 802 is fixedly connected with the lower end of the round bar ii 801 at the corresponding position, the upper end of each round bar ii 801 is fixedly connected with the limiting portion ii 803, and each round bar ii is sleeved with the compression spring, and a compression spring II 804 is positioned between the top platform 8 and the pressing and fixing plate II 802. Survey and receive 3 anticlockwise rotations 45 degrees back panels of platform and can drop on two receiving station 6, two distances between the receiving station 6 are convenient for carry out the ascending cutting of another side to panel, cut from left to right promptly, make through II 7 electric putter press solid II 802 decline to press the both ends of pressing the panel on solid receiving station 6, fixed or carry out other processing when being convenient for cut. The shape and structure of the receiving table 6 can be an inclined plane from high to low when the receiving table is firstly from right to left and then is connected with a plane, so that the plate is convenient to buffer and utilize the dead weight to adjust the angle when falling on the receiving table 6, and then is in a horizontal state when falling on the plane.

The specific implementation method nine:

as shown in fig. 1 to 9, the building material cutting device further comprises a through opening 303, a convex part 405, a turntable 9 and a screw 901, wherein the through opening 303 is arranged on one side of the measure and receive platform 3, the convex part 405 is arranged on the press-fixing plate i 404 and is positioned right above the through opening 303, the screw 901 is fixedly connected to the upper end of the turntable 9, and the screw 901 is in threaded connection with the inside of the through opening 303. The screw 901 is rotated, so that the screw 901 moves upwards to jack up the pressing and fixing plate I404, and the distance between the pressing and fixing plate I404 and the measuring and collecting platform 3 is adjusted, so that the pushing plate 201 can push plates with different thicknesses to directly enter the lower part of the pressing and fixing plate I404 for clamping.

The detailed implementation mode is ten:

as shown in fig. 1 to 9, the building material cutting device further comprises a slag collecting box 5 and a pad 501, wherein the slag collecting box 5 is arranged right below the inclined part i 104 and the inclined part ii 302, and the inclined part ii 302 is in a horizontal state and abuts against the left end of the upper end surface of the slag collecting box 5. The slag collecting box 5 is convenient for collecting the crumbs generated during cutting.

The invention relates to a building material cutting device, which has the working principle that:

the long edge of a plate is placed on the placing and moving platform 1 from front to back, the outer end face of the roller 103 is tangent to the upper end face of the placing and moving platform 1, the plate is contacted with the roller 103 and then is moved more conveniently by the rotation of the roller 103, the position of the plate needing to be cut is moved to a position between the inclined part I104 and the inclined part II 302, manual cutting and hand-held cutting machines are convenient to cut or cutting equipment is erected right above the inclined part I104 and the inclined part II 302, cutting operation is carried out by moving the cutting equipment, the cutting equipment can adopt the existing products on the market as required, as a gap is formed between the inclined part I104 and the inclined part II 302, a cutting blade can completely penetrate through the plate during cutting, the cut powder and the like are convenient to clean the gap so as to intensively process the powder, most of the powder is convenient to directly fall into the gap, and the placing and moving platform 1 is superposed with the upper end face of the measuring and collecting platform 3, when panel moved left, the left end face of panel was in the gap left side, and the distance between this left end face and the gap middle part then be for cutting out the width of panel, the auxiliary measurement of being convenient for, and made panel lateral shifting reduce because of panel seesaw occupation space overlength, improve processing place space utilization. The starter motor I206, the output shaft of motor I206 drives I202 rotation of lead screw rather than being connected, make another I202 rotation of lead screw through the synchronous drive of band pulley 204 and drive belt 205, and then dial and push away frame 2 can the side-to-side motion on two I202 lead screws, push pedal 201 is close to the up end setting of platform 1 of putting, the preferred two has concurrently and is 1-3 millimeters, push pedal 201 promotes panel left motion when moving left, and then make panel can be accurate left motion, control cutting position and then accurate cutting. Partial space can be reserved at the right end of the moving platform 1 and is used for placing plates to be pushed. Pressing solid board I404 is close to and produces the gap setting between I104 of slope and the II 302 of slope, nevertheless should consider the reservation distance that cutting equipment should reserve when cutting, and pressing solid board I404 carries out from top to bottom's application of force to panel through compression spring I407's thrust and fixes. The raised portion 408 facilitates the plate to be directly pushed into the lower portion of the press-fixing plate i 404 for fixing. Starting motor III 402, motor III 402's output shaft drives II 401 rotations of axle, and II 401 drives of axle and changes and supply 4 rotations of platform, makes to change and supplies 4 anticlockwise rotations 90 degrees of platform, makes the solid board of pressure I404 break away from fixed panel, is convenient for will take off the panel after the cutting. The output shaft of the starting motor II 304, the motor II 304 drives the measuring and collecting platform 3 to rotate, so that the measuring and collecting platform 3 rotates anticlockwise, for example, the measuring and collecting platform 3 rotates anticlockwise by 45 degrees, the plate which is cut and fixed is cancelled on the measuring and collecting platform 3 can slide downwards, and the plate can conveniently enter the next station. Start electric putter 308, electric putter 308 drives floorbar 305 side-to-side motion, and then survey and receive platform 3 and the part on it can side-to-side motion, when making panel enter into next station, can make earlier survey and receive platform 3 one end distance that moves left, can make the panel that cuts off survey promptly and receive panel on the platform 3 can not touch with the panel on the platform 1 of putting when anticlockwise rotation, need not that push pedal 201 to return one section distance promptly and the panel that cuts can not drive the panel motion on putting the platform 1, the collision between noise abatement and panel and the panel. Survey and receive 3 anticlockwise rotations 45 degrees back panels of platform and can drop on two receiving station 6, two distances between the receiving station 6 are convenient for carry out the ascending cutting of another side to panel, cut from left to right promptly, make through II 7 electric putter press solid II 802 decline to press the both ends of pressing the panel on solid receiving station 6, fixed or carry out other processing when being convenient for cut. The screw 901 is rotated, so that the screw 901 moves upwards to jack up the pressing and fixing plate I404, and the distance between the pressing and fixing plate I404 and the measuring and collecting platform 3 is adjusted, so that the pushing plate 201 can push plates with different thicknesses to directly enter the lower part of the pressing and fixing plate I404 for clamping. The slag collecting box 5 is convenient for collecting the crumbs generated during cutting.

It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.

Claims

1. The utility model provides a building material cutting device, is including putting platform (1), long mouthful (101), axle I (102), roller (103), slope I (104), survey and receive platform (3), slope II (302), three-way seat (306) and wheel (307), its characterized in that: put and be equipped with longkou (101) on moving platform (1), axle I (102) rigid coupling is on putting moving platform (1) and is located longkou (101), the left end of platform (1) is being put and is being moved in the setting of oblique portion I (104), survey and receive platform (3) and set up in the left side of putting moving platform (1), the right-hand member of surveying receiving platform (3) is equipped with oblique portion II (302), three-dimensional seat (306) are provided with two, survey and receive the front and back both ends difference rigid coupling of platform (3) on two three-dimensional seats (306).

2. The building material cutting apparatus of claim 1, wherein: the building material cutting device further comprises a pulling and pushing frame (2), a pushing plate (201), a lead screw I (202), a lead screw frame (203), belt wheels (204), a transmission belt (205) and a motor I (206), wherein the pushing plate (201) is fixedly connected to the lower end of the pulling and pushing frame (2), the front end and the rear end of the pushing plate (201) are respectively in threaded connection with the two lead screws I (202), the two lead screws I (202) are respectively in rotating connection with the two lead screw frames (203), the right ends of the two lead screws I (202) are respectively in fixed connection with the belt wheels (204), the two belt wheels (204) are in transmission connection through the transmission belt (205), the output shaft of the motor I (206) is fixedly connected with the left end of one of the lead screws I (202), the motor I (206) is fixedly connected to the lead screw frame (203) at the corresponding position, and the two lead screw frames (203) are respectively and fixedly connected to.

3. The building material cutting apparatus of claim 2, wherein: this building material cutting device still includes axle bed (301), changes and supplies platform (4), round bar (403), solid board I (404), spacing portion I (406) and compression spring I (407) of pressure, survey axle bed (301) of both ends rigid coupling respectively around receiving platform (3), change and supply platform (4) rigid coupling on axle bed (301), change two round bar (403) of right side sliding connection who supplies platform (4), press solid board I (404) rigid coupling at the lower extreme of two round bar (403), spacing portion I (406) of upper end rigid coupling respectively of two round bar (403), the cover has one compression spring I (407) respectively on two round bar (403), two compression spring I (407) all are located and change and supply platform (4) and press between solid board I (404).

4. The building material cutting apparatus of claim 3, wherein: the building material cutting device further comprises an opening part (408), and the opening part (408) is arranged at the right end of the pressing and fixing plate I (404).

5. The building material cutting apparatus according to claim 3 or 4, wherein: this building material cutting device still includes axle bed (301), axle II (401) and motor III (402), survey front and back both ends of receiving platform (3) and do not the rigid coupling axle bed (301), supply on the left end rigid coupling axle II (401) of platform (4) to replace to transfer and supply platform (4) rigid coupling on axle bed (301), the output shaft of motor III (402) and the one end rigid coupling of axle II (401), motor III (402) rigid coupling is on axle bed (301), the both ends of axle II (401) are rotated respectively and are connected on two axle beds (301).

6. The building material cutting apparatus of claim 5, wherein: the building material cutting device further comprises a motor II (304), the lower side of the left end of the measuring and collecting platform (3) is fixedly connected to an output shaft of the motor II (304) to replace the measuring and collecting platform (3) to be installed on the two three-way seats (306), two ends of the output shaft of the motor II (304) are respectively connected to the upper sides of the two three-way seats (306) in a rotating mode, and the motor II (304) is fixedly connected with the three-way seats (306) at the corresponding positions.

7. The building material cutting apparatus of claim 6, wherein: the building material cutting device further comprises a bottom beam (305) and an electric push rod I (308), wherein two ends of the bottom beam (305) are fixedly connected with the two three-way seats (306) respectively, and the right end of the bottom beam (305) is fixedly connected with the movable end of the electric push rod I (308).

8. The building material cutting apparatus of claim 7, wherein: the building material cutting device also comprises a receiving platform (6), mounting columns (601), electric push rods II (7), a top platform (8), round rods II (801), press-fixing plates II (802), a limiting part II (803) and compression springs II (804), wherein the two three-way seats (306) are respectively fixedly connected with one mounting column (601), the two mounting columns (601) are respectively fixedly connected with one receiving platform (6), the two receiving platforms (6) are respectively positioned at the lower sides of the left ends of the front end and the rear end of the measuring and receiving platform (3), the two three-way seats (306) are respectively fixedly connected with one electric push rod II (7), the movable ends of the two electric push rods II (7) are respectively fixedly connected with one top platform (8), each top platform (8) is connected with two round rods II (801) in a sliding manner, one press-fixing plate II (802) is arranged below each top platform (8), each press-fixing plate II (802) is fixedly connected with the lower ends of the round rods II (801) at the corresponding positions, the upper end of each round rod II (801) is fixedly connected with a limiting part II (803), each round rod II (801) is sleeved with a compression spring II (804), and the compression spring II (804) is located between the top platform (8) and the pressing and fixing plate II (802).

9. The building material cutting apparatus of claim 8, wherein: the building material cutting device further comprises a through opening (303), a convex part (405), a rotary table (9) and a screw rod (901), wherein the through opening (303) is arranged on one side of the measuring and collecting platform (3), the convex part (405) is arranged on the pressing and fixing plate I (404) and is located right above the through opening (303), the screw rod (901) is fixedly connected to the upper end of the rotary table (9), and the screw rod (901) is in threaded connection with the through opening (303).

10. The building material cutting apparatus of claim 9, wherein: the building material cutting device further comprises a slag collecting box (5) and a pad portion (501), wherein the slag collecting box (5) is arranged right below the inclined portion I (104) and the inclined portion II (302), and the inclined portion II (302) is abutted to the left end of the upper end face of the slag collecting box (5) when in a horizontal state.