CN111136341B - A construction material cutting device - Google Patents

Abstract

The present invention relates to a cutting device, more particularly to a building material cutting device. Including moving platform, long mouth, shaft I, roller, inclined part I, measuring and receiving platform, inclined part II, three-way seat, wheel, push frame, push plate, lead screw I, lead screw frame, pulley, transmission belt and motor I. The middle part of the gap between the inclined part I and the inclined part II is convenient for auxiliary measurement of the plate to be cut; the lateral movement of the plate can reduce the space occupied by the long-side plate moving back and forth, and the space utilization rate of the processing site can be improved; During the process of moving from one position to the next station, continuous actions such as moving and fixing, cutting and releasing are completed. The cutting position is accurate and the equipment is easy to maintain.

Description

A construction material cutting device

technical field

The present invention relates to a cutting device, more particularly to a building material cutting device.

Background technique

For example, the publication number is CN107309688A. A construction cutting machine with good clamping effect includes a bottom box, an electric telescopic rod is fixedly connected to the left side of the top of the bottom box, and a support plate is fixedly connected to the top of the electric telescopic rod. A vertical plate is fixedly connected to the right side of the bottom of the support plate, a cutting device is fixedly connected to the bottom of the left side of the vertical plate, a motor is fixedly connected to the bottom of the right side of the inner wall of the bottom box, and an output end of the motor is fixedly connected to a worm. . The invention solves the poor clamping effect of the existing construction cutting machine by setting the motor, the worm, the bearing, the rotating rod, the worm wheel, the rotating plate, the transmission shaft, the transmission frame, the moving column, the horizontal plate, the moving rod and the clamping block. It is easy to shake or move during cutting, which leads the user to need to re-cut, wastes a lot of money and time, and reduces the practicability of the construction cutting machine. The construction cutting machine with good clamping effect has good clamping effect. However, the operation continuity of the cutting machine is poor, and the clamping method is not convenient for fast clamping of heavy building boards.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a building material cutting device, which can optimize the space occupied by the equipment and has high processing continuity for building boards with a large weight.

The object of the present invention is achieved through the following technical solutions:

A construction material cutting device includes a moving platform, a long mouth, a shaft I, a roller, an inclined part I, a measuring and receiving platform, an inclined part II, a three-way seat and a wheel, and the moving platform is provided with a long mouth, a shaft Ⅰ is fixed on the placing and moving platform and located in the long mouth, the inclined part I is set on the left end of the placing and moving platform, the measuring and receiving platform is set on the left side of the placing and moving platform, and the right end of the measuring and receiving platform is provided with the inclined part II, the three-way seat There are two sets, and the front and rear ends of the measuring and receiving platform are respectively fixed on the two three-way seats.

The construction material cutting device also includes a push frame, a push plate, a lead screw I, a lead screw frame, a pulley, a transmission belt and a motor I. The lower end of the push frame is fixedly connected to the push plate, and the front and rear ends of the push plate are respectively threaded Connected to the two lead screws I, the two lead screws I are respectively connected to the two lead screw frames, the right ends of the two lead screws I are respectively connected to a pulley, the two pulleys are connected by a transmission belt, and the motor I The output shaft of the motor I is fixedly connected to the left end of one of the lead screws I, the motor I is fixed to the lead screw frame at the corresponding position, and the two lead screw frames are respectively fixed to the front and rear ends of the placing platform.

The construction material cutting device also includes a shaft seat, a transfer table, a round rod, a pressing plate I, a limit part I and a compression spring I. The front and rear ends of the measuring and receiving platform are respectively fixed with a shaft seat, and the transfer table It is fixed on the shaft seat, and the right side of the transfer table is slidably connected to two round rods. A compression spring I is respectively sleeved on each round rod, and the two compression springs I are located between the transfer table and the pressing plate I.

The construction material cutting device further includes a lifting portion, and the lifting portion is arranged on the right end of the pressing plate I.

The construction material cutting device also includes a shaft seat, a shaft II and a motor III. The front and rear ends of the measuring and receiving platform are respectively fixed to a shaft seat, and the left end of the transfer table is fixed to the shaft II instead of the transfer table and is fixed to the shaft. On the seat, the output shaft of the motor III is fixedly connected to one end of the shaft II, the motor III is fixedly connected to the shaft seat, and the two ends of the shaft II are rotatably connected to the two shaft seats respectively.

The construction material cutting device also includes a motor II. The lower side of the left end of the measuring and receiving platform is fixedly connected to the output shaft of the motor II and is installed on two three-way seats instead of the measuring and receiving platform. The two ends of the output shaft of the motor II rotate respectively. Connected to the upper side of the two three-way seats, and the motor II is fixedly connected to the three-way seats at the corresponding position.

The building material cutting device also includes a bottom beam and an electric push rod I, two ends of the bottom beam are respectively fixed with two three-way seats, and the right end of the bottom beam is fixed with the movable end of the electric push rod I.

The building material cutting device also includes a receiving table, an installation column, an electric push rod II, a top table, a round rod II, a pressing plate II, a limit portion II and a compression spring II, and the two three-way seats are respectively fixed on the two three-way seats. One mounting column, one receiving platform is fixed on the two mounting columns respectively, and the two receiving platforms are located on the lower left side of the front and rear ends of the measuring platform respectively. The movable ends of the push rod II are respectively fixed to a top table, and each top table is slidably connected with two round rods II, and a pressing plate II is arranged under each top table, and each pressing plate II is connected with the top table. The lower end of the round rod II at the corresponding position is fixedly connected, the upper end of each round rod II is fixed to the limit part II, and each round rod II is covered with a compression spring II, which is located on the top platform and the compression plate II. between.

The building material cutting device also includes a passage, a convex part, a turntable and a screw rod. One side of the measuring and receiving platform is provided with a passage, and the convex part is arranged on the pressing plate I and is located directly above the passage. The screw is fixedly connected, and the screw thread is connected in the passage.

The construction material cutting device also includes a slag collecting box and a pad, the slag collecting box is arranged directly below between the inclined part I and the inclined part II, and when the inclined part II is in a horizontal state, it touches the upper end surface of the slag collecting box. left end.

The beneficial effects of a building material cutting device of the present invention are:

The middle part of the gap between the inclined part I and the inclined part II is convenient for auxiliary measurement of the plate to be cut; the lateral movement of the plate can reduce the space occupied by the long-side plate moving back and forth, and the space utilization rate of the processing site can be improved; During the process of moving from one position to the next station, continuous actions such as moving and fixing, cutting and releasing are completed. The cutting position is accurate and the equipment is easy to maintain.

Description of drawings

The present invention will be described in further detail below with reference to the accompanying drawings and specific implementation methods.

Fig. 1 is the overall structure schematic diagram of a kind of building material cutting device of the present invention;

Fig. 2 is the partial structure schematic diagram one of the present invention;

Fig. 3 is the partial structure schematic diagram two of the present invention;

Fig. 4 is the partial structure schematic diagram three of the present invention;

Fig. 5 is the partial structure schematic diagram four of the present invention;

Fig. 6 is the partial structure schematic diagram five of the present invention;

Fig. 7 is the partial structure schematic diagram six of the present invention;

Fig. 8 is the partial structure schematic diagram seven of the present invention;

FIG. 9 is a schematic diagram 8 of a partial structure of the present invention.

In the figure: moving platform 1; long mouth 101; shaft I102; roller 103; inclined part I104; push frame 2; push plate 201; screw I202; screw frame 203; pulley 204; Measuring and receiving platform 3; shaft seat 301; inclined part II 302; crossing 303; motor II 304; bottom beam 305; three-way seat 306; wheel 307; electric push rod I 308; 403; pressing plate I404; convex part 405; limiting part I406; compression spring I407; lifting part 408; slag collecting box 5; pad part 501; receiving table 6; Round rod II801; Compression plate II802; Limiting part II803; Compression spring II804; Turntable 9; Screw 901.

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings.

Specific implementation one:

As shown in Figures 1-9, a construction material cutting device includes a moving platform 1, a long mouth 101, a shaft I102, a roller 103, an inclined part I104, a measuring and receiving platform 3, an inclined part II 302, a three-way seat 306 and a wheel 307, the placing platform 1 is provided with a long mouth 101, the shaft I102 is fixed on the placing platform 1 and is located in the long mouth 101, the inclined part I104 is arranged on the left end of the placing platform 1, and the measuring and receiving platform 3 is arranged on the left end of the placing platform 1. On the left side of the moving platform 1, the right end of the measuring and receiving platform 3 is provided with an inclined portion II 302, and two three-way seats 306 are provided. The long side of the plate is placed on the placement platform 1 from front to back, and the outer end face of the roller 103 is tangent to the upper end surface of the placement platform 1, and then the plate is brought into contact with the roller 103 and the rotation of the roller 103 is used to make the plate move more. It is convenient to move the position where the board needs to be cut to between the inclined part I104 and the inclined part II302, which is convenient for manual cutting, hand-held cutting machine cutting or cutting equipment that can move in two degrees of freedom, front and rear and up and down. Just above the part I104 and the inclined part II302, the cutting operation is carried out by moving the cutting equipment. The cutting equipment can use the existing products in the market according to the needs. Due to the gap between the inclined part I104 and the inclined part II302, the cutting blade can be cut. It completely passes through the plate, and the cut debris is easy to clean in the gap and then centrally handle the debris, and it is also convenient for most of the debris to fall directly into the gap. When the end faces overlap and the sheet moves to the left, the left end face of the sheet is on the left side of the slit, and the distance between the left end face and the middle of the slit is the width of the cut sheet, which is convenient for auxiliary measurement and reduces the lateral movement of the sheet. The front and rear movement of the board takes up too much space, which improves the space utilization rate of the processing site.

Specific implementation two:

As shown in Figures 1-9, the construction material cutting device further includes a pusher frame 2, a pusher plate 201, a lead screw I202, a lead screw frame 203, a pulley 204, a transmission belt 205 and a motor I206. The lower end is fixedly connected to the push plate 201, the front and rear ends of the push plate 201 are respectively threadedly connected to the two lead screws I202, the two lead screws I202 are respectively rotatably connected to the two lead screw frames 203, and the right ends of the two lead screws I202 are respectively A pulley 204 is fixedly connected, and the two pulleys 204 are connected by a transmission belt 205. The output shaft of the motor I206 is fixedly connected to the left end of one of the lead screws I202. The motor I206 is fixed on the lead screw frame 203 at the corresponding position. The screw frames 203 are respectively fixed on the front and rear ends of the placing platform 1 . Start the motor I206, the output shaft of the motor I206 drives the lead screw I202 connected to it to rotate, and the other lead screw I202 is rotated through the synchronous transmission of the pulley 204 and the transmission belt 205, and then the push frame 2 can be moved left and right on the two lead screws I202. When the push plate 201 moves to the left, the push plate 201 is set close to the upper end surface of the placement platform 1, preferably both of them are 1-3 mm. When the push plate 201 moves to the left, it pushes the plate to move to the left, so that the plate can move to the left accurately, controlling Cutting position for precise cutting. Part of the space can be reserved at the right end of the placing platform 1 for placing the plates to be moved.

Specific implementation three:

As shown in Figures 1-9, the construction material cutting device also includes a shaft seat 301, a transfer table 4, a round rod 403, a pressing plate I404, a limit portion I406 and a compression spring I407. The two ends are respectively fixed with a shaft seat 301, the transfer table 4 is fixed on the shaft seat 301, the right side of the transfer table 4 is slidably connected with two round rods 403, and the pressing plate I 404 is fixed on the two round rods 403. At the lower end, the upper ends of the two round rods 403 are respectively fixed with a limit part I406, and a compression spring I407 is sleeved on the two round rods 403 respectively. . The clamping plate I404 is set close to the gap between the inclined part I104 and the inclined part II302, but the reserved distance that should be reserved for cutting by the cutting equipment should also be considered. The clamping plate I404 uses the thrust of the compression spring I407. Under the force to fix.

Specific implementation four:

As shown in FIGS. 1-9 , the construction material cutting device further includes a lifting portion 408 , and the lifting portion 408 is arranged on the right end of the pressing plate I 404 . The lifting portion 408 facilitates the plate material to be directly pushed into the lower part of the pressing plate I 404 for fixing.

Specific implementation five:

As shown in Figures 1-9, the construction material cutting device also includes a shaft seat 301, a shaft II 401 and a motor III 402. The front and rear ends of the measuring and receiving platform 3 are respectively fixed to a shaft seat 301, and the left end of the transfer table 4 is fixed The connecting shaft II 401 is fixed on the shaft base 301 instead of the transfer table 4, the output shaft of the motor III 402 is fixed with one end of the shaft II 401, the motor III 402 is fixed on the shaft base 301, and the two ends of the shaft II 401 are rotatably connected to the two ends respectively. on the axle seat 301. Start the motor III402, the output shaft of the motor III402 drives the shaft II401 to rotate, and the shaft II401 drives the transfer table 4 to rotate, so that the transfer table 4 rotates 90 degrees counterclockwise, so that the pressing plate I404 is released from the fixed plate, which is convenient for removing and cutting. plate.

Specific implementation six:

As shown in Figures 1-9, the construction material cutting device also includes a motor II 304, and the lower side of the left end of the measuring and receiving platform 3 is fixedly connected to the output shaft of the motor II 304 instead of the measuring and receiving platform 3. Installed on two three-way seats 306 On the upper side, the 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 positions. Start the motor II304, the output shaft of the motor II304 drives the measuring and receiving platform 3 to rotate, so that the measuring and receiving platform 3 rotates counterclockwise. The unfixed sheet slides down, making it easier to move the sheet to the next station.

Specific implementation seven:

As shown in Figures 1-9, the construction material cutting device further includes a bottom beam 305 and an electric push rod I 308, the two ends of the bottom beam 305 are respectively fixed with two three-way seats 306, and the right end of the bottom beam 305 is connected to the electric push rod I308. The movable end of the push rod I308 is fixed. Start the electric push rod I308, the electric push rod I308 drives the bottom beam 305 to move left and right, and then the measuring and receiving platform 3 and the part on it can move left and right. When the plate enters the next station, the measuring and receiving platform 3 can be moved to the left first. Move one end of the distance, so that the cut plate, that is, the plate on the measuring and receiving platform 3, will not touch the plate on the placing platform 1 when it rotates counterclockwise. Drive the movement of the board on the moving platform 1 to reduce the noise and the collision between the board and the board.

Eighth specific implementation:

As shown in Figure 1-9, the building material cutting device also includes a receiving table 6, an installation column 601, an electric push rod II7, a top table 8, a round rod II801, a pressing plate II802, a limiter II803 and a compression spring II804. A mounting post 601 is fixed on the two three-way seats 306 respectively, and a receiving platform 6 is fixed on the two mounting posts 601 respectively. Each three-way seat 306 is respectively fixed with an electric push rod II 7, the movable ends of the two electric push rods II 7 are respectively fixed with a top table 8, and each top table 8 is slidably connected with two round rods II 801, each top table There is a pressing plate II 802 under the table 8, each pressing plate II 802 is fixed with the lower end of the round rod II 801 at the corresponding position, and the upper end of each round rod II 801 is fixed with the limit part II 803, each circle The rod II 801 is covered with a compression spring II 804, and the compression spring II 804 is located between the top table 8 and the pressing plate II 802. After the measuring and receiving platform 3 is rotated 45 degrees counterclockwise, the plate will fall on the two receiving platforms 6. The distance between the two receiving platforms 6 is convenient for cutting the plate in another direction, that is, cutting from left to right. The electric push rod II7 makes the pressing plate II802 lower the two ends of the plate on the pressing receiving table 6, which is convenient for fixing during cutting or other processing. The shape and structure of the receiving table 6 can take the slope from right to left, which is from high to low, and then connect to the plane, so that the board can be buffered and adjusted by its own weight when it falls on the receiving table 6, and then it is horizontal when it falls on the plane. state.

Specific implementation nine:

As shown in Figures 1-9, the construction material cutting device also includes a port 303, a convex portion 405, a turntable 9 and a screw 901. One side of the measuring platform 3 is provided with a port 303, and the convex portion 405 is arranged on the pressure The fixing plate I404 is located just above the passage 303 , the upper end of the turntable 9 is fixedly connected to the screw 901 , and the screw 901 is screwed into the passage 303 . Rotate the screw 901 to make the screw 901 move upward to lift the pressing plate I404, and adjust the distance between the pressing plate I404 and the measuring and receiving platform 3, so that the push plate 201 can push the plates of different thicknesses directly into the lower part of the pressing plate I404 for clamping. solid.

Specific implementation ten:

As shown in Figures 1-9, the construction material cutting device further includes a slag collecting box 5 and a pad 501. The slag collecting box 5 is arranged directly below between the inclined portion I104 and the inclined portion II302, and the inclined portion II302 is horizontal In the state, it touches the left end of the upper end face of the slag collecting box 5 . The slag collecting box 5 is convenient for collecting the debris generated during cutting.

A construction material cutting device of the present invention works as follows:

The long side of the plate is placed on the placement platform 1 from front to back, and the outer end face of the roller 103 is tangent to the upper end surface of the placement platform 1, and then the plate is brought into contact with the roller 103 and the rotation of the roller 103 is used to make the plate move more. It is convenient to move the position where the plate needs to be cut to between the inclined part I104 and the inclined part II302, so that it is convenient to use manual cutting, hand-held cutting machine cutting or erect the cutting equipment directly above the inclined part I104 and the inclined part II302. The cutting equipment can be used for cutting operations. The cutting equipment can use existing products in the market according to the needs. Due to the gap between the inclined part I104 and the inclined part II302, the cutting blade can completely pass through the plate during cutting, and the cut debris, etc. It is easy to clean and centrally handle the scraps in the gap, and it is also convenient for most of the scraps to fall directly into the gap. The surface is on the left side of the gap, and the distance between the left end surface and the middle of the gap is the width of the cut plate, which is convenient for auxiliary measurement, and reduces the lateral movement of the plate. utilization. Start the motor I206, the output shaft of the motor I206 drives the lead screw I202 connected to it to rotate, and the other lead screw I202 is rotated through the synchronous transmission of the pulley 204 and the transmission belt 205, and then the push frame 2 can be moved left and right on the two lead screws I202. When the push plate 201 moves to the left, the push plate 201 is set close to the upper end surface of the placement platform 1, preferably both of them are 1-3 mm. When the push plate 201 moves to the left, it pushes the plate to move to the left, so that the plate can move to the left accurately, controlling Cutting position for precise cutting. Part of the space can be reserved at the right end of the placing platform 1 for placing the plates to be moved. The clamping plate I404 is set close to the gap between the inclined part I104 and the inclined part II302, but the reserved distance that should be reserved for cutting by the cutting equipment should also be considered. The clamping plate I404 uses the thrust of the compression spring I407. Under the force to fix. The lifting portion 408 facilitates the plate material to be directly pushed into the lower part of the pressing plate I 404 for fixing. Start the motor III402, the output shaft of the motor III402 drives the shaft II401 to rotate, and the shaft II401 drives the transfer table 4 to rotate, so that the transfer table 4 rotates 90 degrees counterclockwise, so that the pressing plate I404 is released from the fixed plate, which is convenient for removing and cutting. plate. Start the motor II304, the output shaft of the motor II304 drives the measuring and receiving platform 3 to rotate, so that the measuring and receiving platform 3 rotates counterclockwise. The unfixed sheet slides down, making it easier to move the sheet to the next station. Start the electric push rod 308, the electric push rod 308 drives the bottom beam 305 to move left and right, and then the measuring and receiving platform 3 and the part on it can move left and right. When the plate enters the next station, the measuring and receiving platform 3 can be moved to the left. Move one end of the distance, so that the cut plate, that is, the plate on the measuring and receiving platform 3, will not touch the plate on the placing platform 1 when it rotates counterclockwise. Drive the movement of the plate on the moving platform 1 to reduce the noise and the collision between the plate and the plate. After the measuring and receiving platform 3 is rotated 45 degrees counterclockwise, the plate will fall on the two receiving platforms 6. The distance between the two receiving platforms 6 is convenient for cutting the plate in another direction, that is, cutting from left to right. The electric push rod II7 makes the pressing plate II802 lower the two ends of the plate on the pressing receiving table 6, which is convenient for fixing during cutting or other processing. Rotate the screw 901 to make the screw 901 move upward to lift the pressing plate I404, and adjust the distance between the pressing plate I404 and the measuring and receiving platform 3, so that the push plate 201 can push the plates of different thicknesses directly into the lower part of the pressing plate I404 for clamping. solid. The slag collecting box 5 is convenient for collecting the scraps generated during cutting.

Of course, the above description does not limit the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by those of ordinary skill in the art within the essential scope of the present invention also belong to the present invention. protected range.

Claims (6)

1. A construction material cutting device, comprising a moving platform (1), a long mouth (101), a shaft I (102), a roller (103), an inclined part I (104), a measuring and receiving platform (3), an inclined part II (302), three-way seat (306) and wheel (307), characterized in that: a long opening (101) is provided on the said placing platform (1), and the shaft I (102) is fixedly connected to the placing platform (102). 1) and located in the long mouth (101), the inclined part I (104) is arranged on the left end of the placing and moving platform (1), the measuring and receiving platform (3) is placed on the left side of the placing and moving platform (1), and the measuring and receiving platform The right end of (3) is provided with an inclined portion II (302), two three-way seats (306) are provided, and the front and rear ends of the measuring and receiving platform (3) are respectively fixed on the two three-way seats (306). The building material cutting device also includes a push frame (2), a push plate (201), a lead screw I (202), a lead screw frame (203), a pulley (204), a transmission belt (205) and a motor I (206), The lower end of the pusher (2) is fixedly connected to the push plate (201), and the front and rear ends of the push plate (201) are respectively screwed on the two lead screws I (202), and the two lead screws I (202) are respectively It is rotatably connected to the two lead screw frames (203), the right ends of the two lead screws I (202) are respectively fixed with a pulley (204), and the two pulleys (204) are connected by a transmission belt (205), and the motor I The output shaft of (206) is fixed to the left end of one of the lead screws I (202), the motor I (206) is fixed to the lead screw frame (203) at the corresponding position, and the two lead screw frames (203) are fixed respectively Connected to the front and rear ends of the placing platform (1), the building material cutting device also includes a shaft seat (301), a transfer table (4), a round rod (403), a pressing plate I (404), a limiter I (406) and compression spring I (407), the front and rear ends of the measuring and receiving platform (3) are respectively fixed to a shaft seat (301), and the transfer table (4) is fixed to the shaft seat (301), The right side of the transfer table (4) is slidably connected to two round rods (403). A limit part I (406) is connected, and a compression spring I (407) is sleeved on the two round rods (403) respectively, and the two compression springs I (407) are located on the transfer table (4) and the compression plate I Between (404), the construction material cutting device further includes a lift portion (408), the lift portion (408) is arranged on the right end of the pressing plate I (404), and the construction material cutting device further includes a shaft seat (301) , shaft II (401) and motor III (402), the front and rear ends of the measuring and receiving platform (3) are respectively fixed to a shaft seat (301), and the left end of the transfer table (4) is fixed to the shaft II (401) Instead of the transfer table (4), it is fixed on the shaft seat (301), the output shaft of the motor III (402) is fixed with one end of the shaft II (401), and the motor III (402) is fixed on the shaft seat (301) up, the two ends of the shaft II (401) turn It is movably connected to the two axle seats (301). 2. The construction material cutting device according to claim 1, characterized in that: the construction material cutting device further comprises a motor II (304), and the lower side of the left end of the measuring platform (3) is fixedly connected to the motor II (304). The output shaft of the motor II (304) is installed on the two three-way seats (306) instead of the measuring and receiving platform (3). The motor II (304) is fixedly connected to the three-way seat (306) at the corresponding position. 3. The construction material cutting device according to claim 2, characterized in that: the construction material cutting device further comprises a bottom beam (305) and an electric push rod I (308), the two ends of the bottom beam (305) are respectively It is fixedly connected with the two three-way seats (306), and the right end of the bottom beam (305) is fixedly connected with the movable end of the electric push rod I (308). 4. The construction material cutting device according to claim 3, characterized in that: the construction material cutting device further comprises a receiving table (6), a mounting column (601), an electric push rod II (7), a top table (8) , round rod II (801), pressing plate II (802), limiter II (803) and compression spring II (804), and a mounting post (601) is respectively fixed to the two three-way seats (306). ), a receiving station (6) is fixed on the two mounting columns (601) respectively, and the two receiving stations (6) are located on the lower left side of the front and rear ends of the measuring and receiving platform (3) respectively, and two three-way seats (306) An electric push rod II (7) is respectively fixed on the upper part, and the movable ends of the two electric push rods II (7) are respectively fixed with a top table (8), and each top table (8) is slidably connected with two round rods II (801), a pressing plate II (802) is arranged under each top table (8), and each pressing plate II (802) is fixedly connected with the lower end of the round rod II (801) at the corresponding position , the upper end of each round rod II (801) is fixedly connected to the limit part II (803), each round rod II (801) is covered with a compression spring II (804), and the compression spring II (804) is located on the top table (8) and the compression plate II (802). 5. The construction material cutting device according to claim 4, characterized in that: the construction material cutting device further comprises a port (303), a convex portion (405), a turntable (9) and a screw (901), the measuring device One side of the receiving platform (3) is provided with a passage (303), the convex part (405) is arranged on the pressing plate I (404) and is located just above the passage (303), and the upper end of the turntable (9) is fixedly connected The screw (901) is screwed in the passage (303). 6. The construction material cutting device according to claim 5, characterized in that: the construction material cutting device further comprises a slag collecting box (5) and a pad portion (501), and the slag collecting box (5) is arranged on the inclined portion Right below between I (104) and the inclined portion II (302), the inclined portion II (302) touches the left end of the upper end face of the slag collecting box (5) when the inclined portion II (302) is in a horizontal state.

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