CN216230134U

CN216230134U - Material turnover cutting device for construction

Info

Publication number: CN216230134U
Application number: CN202122523741.6U
Authority: CN
Inventors: 吕丽娜; 陆森; 李相楠; 王旭
Original assignee: Shandong Zhongheng Construction Group Co ltd
Current assignee: Shandong Zhongheng Construction Group Co ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-04-08
Anticipated expiration: 2031-10-20

Abstract

The utility model discloses a material turnover cutting device for building construction, which relates to the technical field of building construction equipment and adopts the technical scheme that the material turnover cutting device comprises a supporting plate, wherein wheels are arranged at four corners of the lower surface of the supporting plate, a cutting box is arranged in the middle of the upper surface of the supporting plate, an inner cavity is formed in the cutting box, the wheels are arranged at four corners of the lower surface of the cutting box, a discharge hole is formed in the middle of the lower surface of the cutting box, the wheels are abutted against the upper surface of the supporting plate, a circular saw is rotatably connected in the inner cavity of the cutting box, a rectangular groove is formed in the middle of the upper surface of the cutting box, and the circular saw extends to the upper part of the rectangular groove; the utility model has the beneficial effects that: this device design benefit uses manpower sparingly, and the security is high, and the hydraulic stem that is provided with linear arrangement on the grip block is used for the centre gripping building block, can adapt to the not building block of co-altitude through the length of the flexible end of adjustment hydraulic stem, and reciprocating mechanism can adjust the interval of two Jiong shaped plates.

Description

Material turnover cutting device for construction

Technical Field

The utility model relates to the technical field of building construction equipment, in particular to a material turnover cutting device for building construction.

Background

In the building construction process, need carry and cut the building block, carry through the people for promoting the small handcart to the building block now, later use the cutting machine to cut the building block, because of the building block is thicker, need the people for moving building block angle of adjustment, just can cut off the building block with the cutting machine, whole operation process need move the building block repeatedly, in the process of moving the building block, need close the cutting machine so that the staff can not cause unnecessary potential safety hazard in the process of moving the building block carelessly tumble and touch the cutting machine.

How to solve the above technical problems is a difficult problem faced by the present invention.

SUMMERY OF THE UTILITY MODEL

In order to achieve the purpose of the utility model and solve the technical problems, the utility model provides a material turnover cutting device for building construction.

The technical scheme includes that the cutting device comprises a supporting plate, wherein wheels are arranged at four corners of the lower surface of the supporting plate, a cutting box is arranged in the middle of the upper surface of the supporting plate, an inner cavity is formed in the cutting box, the wheels are arranged at four corners of the lower surface of the cutting box, a discharge hole is formed in the middle of the lower surface of the cutting box, the wheels are abutted against the upper surface of the supporting plate, a circular saw is rotatably connected in the inner cavity of the cutting box, a rectangular groove is formed in the middle of the upper surface of the cutting box, and the circular saw extends to the position above the rectangular groove;

the disc saw is characterized in that symmetrical L-shaped baffle plates are arranged on two sides of the cutting box, each baffle plate comprises a transverse plate and a vertical plate, the end part of each transverse plate is attached to the side wall of the cutting box, the vertical plates are parallel to the side wall of the cutting box, one end of a rotating shaft of the disc saw penetrates through the side wall of the cutting box and is coaxially and fixedly connected with a motor I, a bottom plate is arranged between the vertical plate of one baffle plate and the side wall of the cutting box, and the motor I is fixedly connected with the upper surface of the bottom plate;

the lower surface of the transverse plate of the other baffle is provided with a first rack, the upper surface of the supporting plate is provided with a rectangular box, the upper surface of the rectangular box is provided with a rectangular opening, the cutting box is arranged in the rectangular box, the side walls of the cutting box are respectively attached to two opposite side walls of the rectangular opening, two opposite side walls at the top of the rectangular box are provided with limiting plates, the upper surface of each limiting plate is provided with a rectangular notch, the outer side walls of the vertical plates of the two baffles are both attached to one inner wall of the rectangular notch, the side wall of the rectangular notch is provided with a second base, the upper surface of the second base is provided with a second motor, the output shaft of the second motor is coaxially and fixedly connected with a first gear, the first gear is meshed with the first rack, one side of the cutting box is provided with a clamping mechanism, and the clamping mechanism comprises two Jiong-shaped plates which are symmetrical to each other, two the opening of Jiong shaped plate is relative, Jiong shaped plate includes vertical firm board and the fixed grip block that is parallel to each other that sets up both ends about firm board side, one seted up the perpendicular to on the grip block the hole of grip block, be provided with linear arrangement's hydraulic stem in the hole, the stiff end of hydraulic stem with the grip block thickness equals, the flexible end of hydraulic stem is towards another grip block, two the one end that the Jiong shaped plate was kept away from mutually all is provided with drive Jiong shaped plate rotation actuating mechanism, backup pad upper surface bilateral symmetry is provided with the brace table, be provided with reciprocating mechanism on the brace table, reciprocating mechanism is used for the drive actuating mechanism is reciprocating motion, be provided with the support frame on two relative lateral walls of brace table, the clearance hole has been seted up to the lateral wall of rectangle box.

The driving mechanism comprises two symmetrical fixed plates, the upper surfaces of the two fixed plates are provided with opposite upwards-inclined supporting rods, the top of the supporting rod is fixedly connected with a first transverse supporting column, one side, far away from the two fixed plates, of the first supporting column is provided with a second vertical supporting column, the first supporting column is coaxially and rotatably connected with a first rotating rod, the second supporting column is coaxially and rotatably connected with a second rotating rod, one end, far away from the Jiong-shaped plate, of the first rotating rod is provided with a first hinge base, the other end of the first rotating rod is fixedly connected with the Jiong-shaped plate, the top end of the second rotating rod is provided with a second hinge base, the bottom end of the second rotating rod is coaxially and fixedly connected with a third motor, the third motor is fixed on the lower surface of the second supporting column, the first hinge base and the second hinge base are respectively hinged with a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are fixedly connected through a connecting piece, the connecting piece comprises a fixed rod, a first connecting plate and a second connecting plate, wherein the first connecting plate and the second connecting plate are respectively arranged on one side of two ends of the fixed rod, the first connecting plate and the second connecting plate deviate from each other, the first connecting rod is rotatably connected with the first connecting plate, and the second connecting rod is rotatably connected with the second connecting plate.

Moving wheels are arranged at four corners below the fixed plate.

Two symmetrical slideways are arranged on the upper surface of the supporting table, and the moving wheels are connected with the slideways in a sliding manner.

The bottoms of the two ends of the slide way are fixedly connected with the supporting platform through inclined struts.

The reciprocating mechanism comprises a second gear and a second rack, the second rack is fixedly connected with the lower surface of the fixing plate, the second gear is meshed with the second rack, the second gear is coaxially and fixedly connected with a fourth motor, and the fourth motor is respectively fixed on the upper surface of the supporting frame.

Two side walls opposite to the vertical plates are provided with two pulleys in linear arrangement, two side walls far away from each other of the rectangular box are provided with a first stop lever, two sides of the first stop lever are provided with a second stop lever, a sliding groove is formed in the wheel surface of each pulley and slides on the first stop lever, and the upper side surface and the lower side surface of each pulley are attached to the second stop lever.

The technical scheme provided by the embodiment of the utility model has the following beneficial effects: the device has the advantages of ingenious design, labor saving and high safety, the linear arranged hydraulic rods arranged on the clamping plate are used for clamping the building blocks, the length of the telescopic end of the hydraulic rod can be adjusted to adapt to building blocks with different heights, the reciprocating mechanism can adjust the distance between the two Jiong-shaped plates, thereby controlling the position of the circular saw and the building block, facilitating the control of the position to be cut, improving the practicability of the device, enabling the cutting box to move back and forth through the driving of the motor II, simultaneously, two Jiong shaped plates are located the circular saw both sides and are convenient for cut the building block, and simultaneously, actuating mechanism can control the Jiong shaped plate and rotate, ensures that thicker building block also can cut, need not to artificially move building block angle of adjustment and cuts, and the cutting case lower surface has been seted up the discharge gate and has been convenient for get rid of the residue after the cutting, and the clearance hole has been seted up to the lateral wall of rectangle box, is convenient for regularly clear up the residue in the rectangle box.

Drawings

Fig. 1 is a first overall structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic diagram of the overall structure of the embodiment of the utility model.

Fig. 3 is a schematic overall structure diagram of the second embodiment of the present invention.

Fig. 4 is a partially enlarged view a of fig. 2.

Fig. 5 is a partially enlarged view B of fig. 2.

Fig. 6 is a partial enlarged view of C of fig. 3.

Fig. 7 is a rear view of an embodiment of the present invention.

Wherein the reference numerals are: 1. a support plate; 101. the wheel, 2, the cutting box; 201. a sliding wheel; 202. a circular saw; 203. rotating the rod; 204. a baffle plate; 301. a first motor; 302. a second motor; 303. a third motor; 304. a fourth motor; 4. a rectangular box; 401. a limiting plate; 402. a rectangular notch; 403. a second base; 404. cleaning the opening; 501. a rack; 5001. a gear; 502. a rack; 5002. a second gear; 601. jiong shaped plates; 602. a clamping plate; 7. a support table; 701. a support frame; 8. a fixing plate; 801. a first supporting column; 8011. rotating the first rod; 8022. rotating the second rod; 802. a second supporting column; 803. a support bar; 8041. a first hinge seat; 8042. a second hinge seat; 8051. a first connecting rod; 8052. a second connecting rod; 806. a moving wheel; 901. a first connecting plate, a 902 and a second connecting plate; 903. fixing the rod; 10. a slideway; 1001. bracing; 11. a pulley; 1101. a first stop lever; 1102. a second stop lever; 12. a guide plate; 13. a cross bar; 1301. an auxiliary wheel; 14. a hydraulic rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. Of course, the specific embodiments described herein are merely illustrative of the utility model and are not intended to be limiting.

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the utility model. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the utility model, the meaning of "a plurality" is two or more unless otherwise specified.

In the description of the utility model, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

Example 1

Referring to fig. 1 to 7, the utility model provides a material turnover cutting device for building construction, which comprises a supporting plate 1, wherein wheels 101 are arranged at four corners of the lower surface of the supporting plate 1, a cutting box 2 is arranged in the middle of the upper surface of the supporting plate 1, an inner cavity is arranged in the cutting box 2, wheels 201 are arranged at four corners of the lower surface of the cutting box 2, a discharge hole is formed in the middle of the lower surface of the cutting box 2, the wheels 201 are abutted against the upper surface of the supporting plate 1, a circular saw 202 is rotatably connected in the inner cavity of the cutting box 2, a rectangular groove is formed in the middle of the upper surface of the cutting box 2, and the circular saw 202 extends to the upper part of the rectangular groove;

symmetrical L-shaped baffle plates 203 are arranged on two sides of the cutting box 2, each baffle plate 203 comprises a transverse plate and a vertical plate, the end parts of the transverse plates are attached to the side wall of the cutting box 2, the vertical plates are parallel to the side wall of the cutting box 2, one end of a rotating shaft of the circular saw 202 penetrates through the side wall of the cutting box 2 and is coaxially and fixedly connected with a motor I301, a bottom plate 204 is arranged between the vertical plate of one baffle plate 203 and the side wall of the cutting box 2, and the motor I301 is fixedly connected with the upper surface of the bottom plate 204;

the lower surface of the transverse plate of the other baffle plate 203 is provided with a first rack 501, the upper surface of the support plate 1 is provided with a rectangular box 4, the upper surface of the rectangular box 4 is provided with a rectangular opening, the cutting box 2 is arranged in the rectangular box 4, the side walls of the cutting box 2 are respectively jointed with two opposite side walls of the rectangular opening, two opposite side walls at the top of the rectangular box 4 are provided with limit plates 401, the upper surface of the limit plates 401 is provided with a rectangular notch 402, the outer side walls of the vertical plates of the two baffle plates 203 are both jointed with one inner wall of the rectangular notch 402, the side wall of the rectangular notch 402 is provided with a second base 403, the upper surface of the second base 403 is provided with a second motor 302, the output shaft of the second motor 302 is coaxially and fixedly connected with a first gear 5001, the first gear 5001 is meshed with the first rack 501, one side of the cutting box 2 is provided with a clamping mechanism, the clamping mechanism comprises two Jiong-shaped plates 601 which are symmetrical to each other, and the openings of the two Jiong-shaped plates 601 are opposite, jiong shaped plate 601 includes vertical firm board and fixed the setting at firm board side about the both ends grip block 602 that is parallel to each other, set up the hole of perpendicular to grip block 602 on the grip block 602, be provided with linear arrangement's hydraulic stem 14 in the hole, the stiff end of hydraulic stem 14 equals with the thickness of grip block 602, the flexible end of hydraulic stem 14 is towards another grip block 602, the one end that two Jiong shaped plates 601 kept away from mutually all is provided with drive Jiong shaped plate 601 and rotates actuating mechanism.

Supporting tables 7 are symmetrically arranged on two sides of the upper surface of the supporting plate 1, a reciprocating mechanism is arranged on the supporting tables 7 and used for driving a driving mechanism to do reciprocating motion, supporting frames 701 are arranged on two opposite side walls of the supporting tables 7, cleaning holes 404 are formed in the side walls of the rectangular box 4, the driving mechanism comprises two symmetrical fixing plates 8, opposite upwards-inclined supporting rods 803 are arranged on the upper surfaces of the two fixing plates 8, the top of each supporting rod 803 is fixedly connected with a transverse supporting rod I801, vertical supporting rods II 802 are arranged on the far sides of the two fixing plates 8, the supporting rods I801 are coaxially and rotatably connected with a rotating rod I8011, the rotating rod II 802 is coaxially and rotatably connected with a rotating rod II 8022, a hinge seat I8041 is arranged at one end, far away from an Jiong-shaped plate 601, of the rotating rod I8011, the other end of the rotating rod I is fixedly connected with a Jiong-shaped plate 601, and a hinge seat II 8042 is arranged at the top ends of the rotating rod II 8022, the bottom end of the second rotating rod 8022 is coaxially and fixedly connected with a third motor 303, the third motor 303 is fixed on the lower surface of the second supporting column 802, the first hinge seat 8041 and the second hinge seat 8042 are respectively hinged with a first connecting rod 8051 and a second connecting rod 8052, the first connecting rod 8051 and the second connecting rod 8052 are fixedly connected through a connecting piece, the connecting piece comprises a fixing rod 903 and a first connecting plate 901 and a second connecting plate 902 which are respectively arranged on one side of two ends of the fixing rod 903, the first connecting plate 901 and the second connecting plate 902 are mutually deviated, the first connecting rod 8051 is rotatably connected with the first connecting plate 901, and the second connecting rod 8052 is rotatably connected with the second connecting plate 902.

Moving wheels 806 are arranged at four corners of the lower surface of the fixed plate 8.

Two symmetrical slideways 10 are arranged on the upper surface of the supporting platform 7, and the moving wheels 806 are connected with the slideways 10 in a sliding way.

The bottoms of the two ends of the slide way 10 are fixedly connected with the support table 7 through inclined struts 1001.

The reciprocating mechanism comprises a second gear 5002 and a second rack 502, the second rack 502 is fixedly connected with the lower surface of the fixing plate 8, the second gear 5002 is meshed with the second rack 502, the second gear 5002 is coaxially and fixedly connected with a fourth motor 304, and the fourth motor 304 is respectively fixed on the upper surface of the support frame 701.

Two pulleys 11 which are linearly arranged are arranged on the side walls opposite to the two vertical plates, a first stop lever 1101 is arranged on each of the two side walls far away from the rectangular box 4, two second stop levers 1102 are arranged on the two sides of the first stop lever 1101, a sliding groove is formed in the wheel surface of each pulley 11 and slides on the first stop lever 1101, and the upper side surface and the lower side surface of each pulley 11 are attached to the second stop levers 1102.

The length of the first stop lever 1101 is equal to the length of the second stop lever 1102, and the width of the first stop lever 1101 is smaller than the width of the second stop lever 1102.

Two relative lateral walls below of rectangle box 4 are provided with deflector 12, and the upper surface fixed connection of deflector 12 and backup pad 1 all is provided with horizontal pole 13 below two relative lateral walls of riser, and the both ends of horizontal pole 13 bottom are provided with auxiliary wheel 1301, auxiliary wheel 1301 and the upper surface sliding connection of deflector 12.

When the building block cutting machine is used, a worker places a building block between two Jiong-shaped plates 601, drives a gear II 5002 to rotate by starting a motor IV 304, drives a rack II 502 to move by the rotation of the gear II 5002 so as to adjust the distance between the two Jiong-shaped plates 601, the motors IV 304 on two sides can be respectively started according to the requirements of cutting the building block so as to adjust the cutting line of the circular saw 202 for cutting the building block, after the building block is fixed, simultaneously starts a motor I301, a motor II 302 and a motor III 303, the motor I301 controls the circular saw 202 to rotate, the motor II 302 controls the cutting box 2 to move towards the Jiong-shaped plate 601 so as to drive the circular saw 202 to move towards the Jiong-shaped plate 601, the motor III 303 rotates to drive a hinged seat II 8042 to rotate, the hinged seat II 8042 rotates to drive a connecting rod II 8052 to rotate, and further drives a connecting piece to rotate, the fixed rod 903 of the connecting piece drives the connecting rod I8051 to control the hinged 8041 to rotate so as to drive the Jiong-shaped plate 601 to rotate, the fixed building blocks are controlled to rotate, the thicker building blocks can be cut, the building blocks do not need to be manually moved to adjust the angle for cutting, labor is saved, the safety of the device is improved, a discharge hole is formed in the lower surface of the cutting box 2, residues after cutting can be conveniently discharged, cleaning holes 404 are formed in the side wall of the rectangular box 4, the residues in the rectangular box 4 can be conveniently and periodically cleaned, two ends of the slide way 10 are fixedly connected with the supporting table 7 through inclined struts 1001, and the stability of the slide way 10 is improved; two mutually opposite lateral walls of riser are provided with two linear arrangement's pulley 11, all are provided with pin 1101 on two mutually opposite lateral walls of rectangle box 4, pin 1101 both sides all are provided with pin two 1102, the pulley groove has been seted up to pulley 11, the pulley groove is in slide on pin 1101, the both sides face and the pin two 1102 of pulley 11 laminate mutually, have improved the stability when cutting box 2 moves, and the below of two mutually opposite lateral walls of riser all is provided with horizontal pole 13, and horizontal pole 13 both ends are provided with auxiliary wheel 1301, and auxiliary wheel 1301 is in slide on the deflector 12, further improve the gliding stability of cutting box 2 for stability when cutting box 2 moves is better.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The material turnover cutting device for building construction is characterized by comprising a supporting plate (1), wherein wheels (101) are arranged at four corners of the lower surface of the supporting plate (1), a cutting box (2) is arranged in the middle of the upper surface of the supporting plate (1), an inner cavity is formed in the cutting box (2), sliding wheels (201) are arranged at four corners of the lower surface of the cutting box (2), a discharge hole is formed in the middle of the lower surface of the cutting box (2), the sliding wheels (201) abut against the upper surface of the supporting plate (1), a circular saw (202) is rotatably connected in the inner cavity of the cutting box (2), a rectangular groove is formed in the middle of the upper surface of the cutting box (2), and the circular saw (202) extends to the upper side of the rectangular groove;

symmetrical L-shaped baffle plates (203) are arranged on two sides of the cutting box (2), each baffle plate (203) comprises a transverse plate and a vertical plate, the end part of each transverse plate is attached to the side wall of the cutting box (2), each vertical plate is parallel to the side wall of the cutting box (2), one end of a rotating shaft of the circular saw (202) penetrates through the side wall of the cutting box (2) and is coaxially and fixedly connected with a first motor (301), a bottom plate (204) is arranged between the vertical plate of the baffle plate (203) and the side wall of the cutting box (2), and the first motor (301) is fixedly connected with the upper surface of the bottom plate (204);

the lower surface of the transverse plate of the other baffle (203) is provided with a first rack (501), the upper surface of the support plate (1) is provided with a rectangular box (4), the upper surface of the rectangular box (4) is provided with a rectangular opening, the cutting box (2) is arranged in the rectangular box (4), the side walls of the cutting box (2) are respectively attached to two opposite side walls of the rectangular opening, two opposite side walls at the top of the rectangular box (4) are provided with limiting plates (401), the upper surface of each limiting plate (401) is provided with a rectangular notch (402), the outer side walls of the vertical plates of the two baffles (203) are respectively attached to one inner wall of the rectangular notch (402), a second base (403) is arranged on the side wall of the rectangular notch (402), a second motor (302) is arranged on the upper surface of the second base (403), and a first gear (5001) is fixedly connected to the output shaft of the second motor (302) in a coaxial mode, the utility model discloses a cutting machine, including cutting case (2), gear I (5001), cutting case (2), clamping mechanism include Jiong shaped plate (601) of two mutual symmetries, two the opening of Jiong shaped plate (601) is relative, Jiong shaped plate (601) include vertical firm board and fixed clamping plate (602) that are parallel to each other who sets up both ends about firm board side, one set up the hole perpendicular to clamping plate (602) on clamping plate (602), be provided with linear arrangement's hydraulic stem (14) in the hole, the stiff end of hydraulic stem (14) with the thickness of clamping plate (602) equals, the flexible end of hydraulic stem (14) is towards another clamping plate (602), two the one end that Jiong shaped plate (601) kept away from mutually all is provided with drive Jiong shaped plate (601) rotation driving mechanism, backup pad (1) upper surface bilateral symmetry is provided with brace table (7), the supporting table (7) is provided with a reciprocating mechanism, the reciprocating mechanism is used for driving the driving mechanism to do reciprocating motion, two opposite side walls of the supporting table (7) are provided with supporting frames (701), and the side walls of the rectangular box (4) are provided with cleaning holes (404).

2. The material turnover cutting device for building construction as claimed in claim 1, wherein the driving mechanism comprises two symmetrical fixing plates (8), the two fixing plates (8) are provided with opposite upward-inclined supporting rods (803) on the upper surfaces thereof, a transverse supporting column I (801) is fixedly connected to the tops of the supporting rods (803), a vertical supporting column II (802) is arranged on one side, away from the two fixing plates (8), of each of the two fixing plates, the first supporting column I (801) is coaxially and rotatably connected with a rotating rod I (8011), the second supporting column (802) is coaxially and rotatably connected with a rotating rod II (8022), one end, away from the Jiong-shaped plate (601), of the first rotating rod (8011) is provided with a hinge seat I (8041), the other end of the first rotating rod (8011) is fixedly connected with the Jiong-shaped plate (601), and the top end of the second rotating rod (8022) is provided with a hinge seat II (8042), the coaxial fixedly connected with motor three (303) in dwang two (8022) bottom, motor three (303) are fixed the lower surface of support column two (802), articulated seat one (8041) with articulated seat two (8042) articulate respectively have connecting rod one (8051) and connecting rod two (8052), connecting rod one (8051) with connecting rod two (8052) pass through connecting piece fixed connection, the connecting piece includes dead lever (903) and sets up connecting plate one (901) and connecting plate two (902) in dead lever (903) both ends one side respectively, connecting plate one (901) with connecting plate two (902) deviate from each other, connecting rod one (8051) with connecting plate one (901) rotate and are connected, connecting rod two (8052) with connecting plate two (902) rotate and are connected.

3. The material turnover cutting device for building construction as claimed in claim 2, wherein moving wheels (806) are arranged at four corners of the lower surface of the fixing plate (8).

4. A material turnover cutting device for building construction according to claim 3, characterized in that two symmetrical slideways (10) are arranged on the upper surface of the supporting platform (7), and the moving wheel (806) is connected with the slideways (10) in a sliding manner.

5. A material turnover cutting device for building construction according to claim 4, characterized in that the bottoms of the two ends of the slideway (10) are fixedly connected with the support platform (7) through inclined struts (1001).

6. A material turnover cutting device for building construction as claimed in claim 2, wherein the reciprocating mechanism comprises a second gear (5002) and a second rack (502), the second rack (502) is fixedly connected with the lower surface of the fixing plate (8), the second gear (5002) is meshed with the second rack (502), the second gear (5002) is coaxially and fixedly connected with a fourth motor (304), and the fourth motors (304) are respectively fixed on the upper surfaces of the supporting frames (701).

7. The material turnover cutting device for building construction according to claim 1, characterized in that two pulleys (11) which are linearly arranged are arranged on two side walls which are opposite to each other of the vertical plates, a first blocking rod (1101) is arranged on each of two side walls which are far away from each other of the rectangular box (4), a second blocking rod (1102) is arranged on each of two sides of the first blocking rod (1101), a sliding groove is formed on a wheel surface of each pulley (11), the sliding groove slides on the first blocking rod (1101), and the upper side surface and the lower side surface of each pulley (11) are attached to the second blocking rod (1102).