Stone cutting device for building construction

Abstract

The invention discloses a stone cutting device for building construction, and relates to the technical field of plate-shaped object cutting devices. The device comprises a supporting frame supported by supporting columns; a base is arranged on the supporting frame, supporting beams are arranged on the two sides of the base respectively, guide rails are fixed to the upper surfaces of the supporting beams in the length direction, sliding blocks are arranged on the guide rails in a matched mode, a bearing mechanism is arranged on the sliding blocks in a matched mode, and a stone bearing table is fixed to the bearing mechanism; a stone cutting mechanism is installed on the supporting frame on one side of the base in a matched mode. The base comprising the guide rail is arranged on the supporting frame, the bearing mechanism is installed on the guide rail in a matched mode through the sliding block, the stone cutting mechanism is arranged on the base, the stone bearing table is fixed to the bearing mechanism in the using process, and the stone is placed on the stone bearing table.

Description

Technical Field

[0001] The invention belongs to the technical field of plate-like object cutting devices, and in particular relates to a stone cutting device for building construction. Background Art

[0002] Stone cutting machines are widely used to cut stone materials such as ceramic tiles and pottery. Existing stone cutting machines generally include a base, a motor located in the base, a blade driven by the motor, and a workbench supported on the base. An elongated hole is opened in the middle of the workbench, and the blade extends out of the elongated hole and is partially located above the workbench. During operation, the piece to be cut is placed on the workbench, and the operator slowly pushes the piece to be cut toward the rotating blade to perform cutting.

[0003] The above-mentioned existing stone cutting machines have multiple defects: first, the operator pushes the workpiece to be cut by hand to cut, and it is difficult to control the workpiece to be cut and feed it straight in one direction. This operation method easily causes the cutting surface to be not straight, and it is difficult to ensure the straightness of the cutting, which affects the cutting quality. Summary of the invention

[0004] The object of the present invention is to provide a stone cutting device for construction, by providing a base including a guide rail on a support frame, a bearing mechanism being installed on the guide rail through a slider, a stone cutting mechanism being provided on the base, and a stone bearing platform being fixed on the bearing mechanism and a stone being placed on the stone bearing platform during use, thereby solving the problems raised by the existing background technology.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The present invention provides a stone cutting device for construction construction, comprising a support frame supported by pillars; a base is provided on the support frame, with a support beam being provided on both sides respectively, a guide rail is fixed on the upper surface of the support beam along the length direction, a slider is provided on the guide rail, a bearing mechanism is provided on the slider, and a stone bearing platform is fixed on the bearing mechanism; a stone cutting mechanism is installed on the support frame located on one side of the base; the bearing mechanism comprises a bottom plate A, and side plates protruding upwards are provided on both sides of the upper surface of the bottom plate A, a guide rod A and a screw rod A are connected between the two side plates; it also comprises a movable platform, a boss is provided on the bottom side surface of the movable platform, the guide rod A passes through the boss, and a nut A cooperating with the screw rod A is provided on the boss, a support rod abutting against the bottom side surface of the movable platform is connected between the two side plates, and the movable platform and the support rod are slidably matched; when in use, the stone bearing platform is fixed on the movable platform by bolts passing through the movable platform.

[0007] Furthermore, the stone cutting mechanism includes a base plate connected to one side of the support frame, the upper surface of the base plate is connected to the top plate via a connecting column, a screw rod B is installed on the base plate and the top plate, a movable plate is provided between the base plate and the top plate, a cutting motor is installed on the movable plate, and a cutting blade is installed on the output shaft of the cutting motor; the base plate is installed with a motor B via a U-shaped frame, and the motor B is driven and connected to the end of the screw rod B; the screw rod B cooperates with a nut B installed on the movable plate, and a guide sleeve that cooperates with the connecting column is installed on the movable plate.

[0008] Furthermore, downwardly bent extensions are respectively provided on both sides of the movable platform, and a rectangular slide groove is provided on the outer wall of the extension along its length direction, and a convex sliding block is provided on the rectangular slide groove, and a rotating shaft is provided at the end of the sliding block, and a rotating arm is connected to the rotating shaft, and the ends of the rotating arms located on both sides of the movable platform are connected to the end of a horizontal arm; when in use, the horizontal arm is located directly above the movable platform, and a fixing module for clamping and fixing the stone placed on the stone supporting platform is provided on the horizontal arm.

[0009] Furthermore, the fixing module includes an adjusting bolt threadedly connected to the cross arm, the end of the adjusting bolt is rotatably connected to one side of a rectangular clamping plate, and a guide telescopic sleeve is connected between the rectangular clamping plate and the cross arm; a locking bolt that passes through the sliding block is threadedly connected to the rotating shaft, and during installation, the locking bolt is controlled to be locked until the end of the locking bolt is against the bottom side of the rectangular slide groove.

[0010] Furthermore, a water spray pipe for spraying water on the cutting position of the cutting blade is also installed on the movable plate.

[0011] Furthermore, a shell whose size gradually decreases from top to bottom is connected to the support frame located directly below the stone cutting mechanism, and a rectangular cylinder is connected to the bottom end of the shell, and a drainage structure is connected to the bottom side of the rectangular cylinder; a sludge discharge port is provided on the bottom side of the rectangular cylinder, and a sealing cover is provided on the sludge discharge port.

[0012] Furthermore, the drainage structure includes a drainage pipe that passes through the bottom side of the rectangular cylinder, the top of the drainage pipe protrudes from the bottom side of the rectangular cylinder, and a drainage hole is arranged around the drainage pipe located at the upper part of the rectangular cylinder, and a sealing sleeve is sleeved around the drainage pipe with the drainage hole.

[0013] Furthermore, a circular tubular portion is provided in the rectangular cylinder, the top of the circular tubular portion is connected to a base plate with a circular through hole in the middle, and the peripheral side of the base plate is in sealing contact with the inner wall of the rectangular cylinder; a rubber block is provided on the inner wall of the drain pipe, and the drain pipe located above the rubber block is connected to an inclined pipe arranged obliquely; a rectangular rod is passed through the rubber block, an operating rod is provided at the bottom of the rectangular rod, a sleeve rotatably installed at the top of the drain pipe is passed through the top of the rectangular rod, and a scraper sliding along the bottom side of the rectangular cylinder is connected to the peripheral side of the sleeve; the top of the rectangular rod is connected to the bottom outer wall of the sealing sleeve through a connecting frame.

[0014] Furthermore, a motor bin is provided at one end of the support frame, and two screw motors are installed in the motor bin, which respectively drive and connect to a screw rod C. Screw mounting seats for installing the screw rod C are respectively provided at both ends of the upper surface of the base, and a nut C matching with the screw rod C is provided on the bottom side surface of the base plate A.

[0015] Furthermore, a touch rod is provided on one side of the bearing mechanism, and a travel switch is respectively installed on the support frames located on both sides of the touch rod.

[0016] The present invention has the following beneficial effects:

[0017] The present invention provides a base including a guide rail on a support frame, a bearing mechanism is installed on the guide rail through a slider, and a stone cutting mechanism is provided on the base. When in use, the stone bearing platform is fixed on the bearing mechanism, and the stone is placed on the stone bearing platform. When in use, the bearing mechanism is controlled to slide along the length direction of the guide rail, and the stone cutting mechanism is used to cut the stone placed on the stone bearing platform, so that the straightness of the cutting is guaranteed after cutting.

[0018] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0020] Figure 1 This is a schematic diagram of the structure of the stone cutting device of the present invention;

[0021] Figure 2 for Figure 1 Main view;

[0022] Figure 3It is a structural schematic diagram of the bearing mechanism of the present invention;

[0023] Figure 4 for Figure 3 A partial enlarged view of the middle part;

[0024] Figure 5 for Figure 2 Sectional view at AA;

[0025] Figure 6 This is a schematic diagram of the installation structure of the drainage structure of the present invention. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] In the description of the present invention, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "all around" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0028] See also Figure 1-2 As shown, the present invention is a stone cutting device for construction, comprising a rectangular support frame 1 supported by a plurality of pillars 19, a stone cutting mechanism 2 being respectively installed on both sides of the support frame 1, two bases being installed on the support frame 1 between the two stone cutting mechanisms 2, and any base being used in conjunction with a stone cutting mechanism 2, a support beam 11 being arranged on both sides of the upper surface of the base along its length direction, a guide rail 12 being fixed on the upper surface of the support beam 11 along the length direction, a slider 121 being arranged on the guide rail 12, a bearing mechanism 4 being arranged on the slider 121, and a stone bearing platform 5 for placing stones being installed on the bearing mechanism 4; when in use, the stones are placed on the stone bearing platform 5, and then the bearing mechanism 4 is controlled to move along the length direction of the guide rail 12 under the cooperation of the guide rail 12 and the slider 121, and the stone cutting mechanism 2 is used to cut the stones on the stone bearing platform 5.

[0029] like Figure 3-4The bearing mechanism 4 provided by the present invention includes a bottom plate A40, and the upper surface of the bottom plate A40 is respectively provided with side plates 41 protruding upwards, and also includes a movable platform 45 arranged just above the bottom plate A40. When installed, the stone bearing platform 5 is fixed on the movable platform 45 by bolts penetrating the movable platform 45; when in use, in order to clamp and fix the stone placed on the stone bearing platform 5 during use, downwardly bent extensions 47 are respectively provided on both sides of the movable platform 45, and the outer wall of the extension 47 is provided with a rectangular slide groove 471 along its length direction, and a convex-shaped sliding block 48 is provided on the rectangular slide groove 471, and a rotating shaft 481 is provided at the end of the sliding block 48, and a rotating arm 483 is connected to the rotating shaft 481, which is located at the movable The ends of the rotating arms 483 on both sides of the platform 45 are connected to the ends of a horizontal arm 49; when in use, the horizontal arm 49 is located directly above the movable platform 45, and a fixing module for clamping and fixing the stone placed on the stone supporting platform 5 is provided on the horizontal arm 49, and a locking bolt 482 that passes through the sliding block 48 is threadedly connected to the rotating shaft 481; then when in use, after the stone is placed on the stone supporting platform 5, the sliding block 48 is controlled to move to the corresponding position along the rectangular slide groove 471, and then the locking bolt 482 is controlled to be locked until the end of the locking bolt 482 is against the bottom side of the rectangular slide groove 471, and then the rotating arm 483 is controlled to rotate along the rotating shaft 481, and then the fixing module is controlled to clamp and fix the stone placed on the stone supporting platform 5.

[0030] In order to conveniently use the fixing module to clamp and fix the stone placed on the stone bearing platform 5, in a possible technical solution, as shown in FIG. Figure 4 The fixing module provided includes an adjusting bolt 491 threadedly connected to the cross arm 49, the end of the adjusting bolt 491 is rotatably connected to one side of a rectangular clamping plate 492, and a guiding telescopic sleeve is connected between the rectangular clamping plate 492 and the cross arm 49, and then the stone placed on the stone supporting platform 5 is clamped and fixed by using the fixing module. At this time, the adjusting bolt 491 is controlled to drive the rectangular clamping plate 492 to move toward the side away from the cross arm 49 until the rectangular clamping plate 492 is against the upper surface of the stone, thereby clamping and fixing the stone.

[0031] Based on the above design, in a possible extended technical scheme of the above technical scheme, a guide rod A43 and a screw rod A44 are connected between the two side plates 41, a boss 46 is arranged on the bottom side of the movable platform 45, the guide rod A43 passes through the boss 46, and a nut A cooperating with the screw rod A44 is arranged on the boss 46, a support rod 42 is connected between the two side plates 41 and rests against the bottom side of the movable platform 45, and the movable platform 45 and the support rod 42 are slidably matched, a motor bin 14 is arranged at one end of the support frame 1, two screw motors respectively driving and connecting a screw rod C13 are installed in the motor bin 14, and screw mounting seats for installing the screw rod C13 are respectively arranged at both ends of the upper surface of the base, and then when in use, the screw rod C13 is driven to rotate by the screw motor arranged in the motor bin 14, and then the cooperation between the screw rod C13 and the nut C is utilized to drive the bearing mechanism 4 to move in the horizontal direction.

[0032] Based on the setting of the above-mentioned supporting mechanism 4, after the present invention uses the fixing module to clamp and fix the stone placed on the stone supporting platform 5, it can drive the stone supporting platform 5 to move in the horizontal direction perpendicular to the length direction of the support beam 11 by controlling the cooperation of the screw rod A44 and the nut A, so as to control the horizontal movement of the stone located on the stone supporting platform 5.

[0033] When in use, in order to facilitate cutting out multiple stone strips from a whole piece of stone, as shown in FIG-2, the stone cutting mechanism 2 provided by the present invention includes a bottom plate 20 connected to one side of the support frame 1, the upper surface of the bottom plate 20 is connected to a top plate 24 through a connecting column 23, a threaded rod B28 is installed in cooperation with the bottom plate 20 and the top plate 24, a movable plate 25 is arranged between the bottom plate 20 and the top plate 24, a cutting motor 26 is installed on the movable plate 25, and a cutting blade 27 is installed on the output shaft of the cutting motor 26; a motor B22 is installed on the bottom plate 20 through a U-shaped frame 21, and the motor B22 is driven and connected to the end of the threaded rod B28; the threaded rod B28 cooperates with a nut B281 installed on the movable plate 25, and the movable plate 25 A guide sleeve 231 cooperating with the connecting column 23 is installed on the upper part, that is, after the stone cutting mechanism 2 completes a cutting operation on the stone once, the supporting mechanism 4 is controlled to drive the supporting mechanism 4 to move to the initial end under the action of the screw rod C13 and the nut C, and when the supporting mechanism 4 is controlled to pass under the cutting blade 27, the motor B22 is controlled to drive the screw rod B28 to rotate, and then the screw rod B28 and the nut B281 are used to drive the movable plate 25 to move upward. At this time, enough space is reserved to allow the supporting mechanism 4 to pass under the cutting blade 27; then the cut stone strips are taken out, and after the supporting mechanism 4 is controlled to move in the horizontal direction, the stone cutting mechanism 2 is used to complete the secondary cutting operation on the stone.

[0034] A touch rod 16 is provided on one side of the supporting mechanism 4 , and a travel switch 15 is respectively installed on the supporting frame 1 located on both sides of the touch rod 16 .

[0035] It can be known that in order to avoid generating a large amount of dust during use, a water spray pipe for spraying water on the cutting position of the cutting blade 27 is also installed on the movable plate 25, and then water is sprayed during the cutting process to reduce the generation of dust.

[0036] Based on the above, in order to collect the muddy water generated by cutting, a shell 17 whose size gradually decreases from top to bottom is connected to the support frame 1 located directly below the stone cutting mechanism 2, and a rectangular cylinder 18 is connected to the bottom end of the shell 17, and the bottom side of the rectangular cylinder 18 is connected to the drainage structure 3; a sludge discharge port 182 is provided on the bottom side of the rectangular cylinder 18, and a sealing cover is provided on the sludge discharge port 182.

[0037] When in use, the muddy water produced by cutting drips into the rectangular cylinder 18 and is left to stand for mud-water separation. At this time, the clean water at the upper layer is first controlled to be discharged through the drainage structure 3, and then the mud at the bottom is controlled to be discharged from the sludge discharge port 182.

[0038] In order to facilitate the use of drainage structure 3 to discharge clean water, Figure 5-6 The drainage structure 3 provided by the present invention includes a drainage pipe 30 that passes through the bottom side of the rectangular cylinder 18, the top of the drainage pipe 30 protrudes from the bottom side of the rectangular cylinder 18, and a drainage hole 301 is arranged around the drainage pipe 30 located at the upper part of the rectangular cylinder 18, and a sealing sleeve 36 is sleeved around the drainage pipe 30 with the drainage hole 301.

[0039] That is, on the basis of the above, in order to conveniently control the discharge of the mud at the bottom from the sludge discharge port 182, the present invention sets a circular tubular portion 180 in the rectangular cylinder 18, and the top of the circular tubular portion 180 is connected to a base plate 181 with a circular through hole in the middle, and the peripheral side of the base plate 181 is in sealing contact with the inner wall of the rectangular cylinder 18; a rubber block 32 is set on the inner wall of the drain pipe 30, and an inclined pipe 31 is connected to the drain pipe 30 above the rubber block 32; a rectangular rod 33 is penetrated through the rubber block 32, and an operating rod 331 is set at the bottom of the rectangular rod 33, and the top of the rectangular rod 33 penetrates a sleeve 34 rotatably installed at the top of the drain pipe 30, and the peripheral side of the sleeve 34 is connected to a scraper 37 sliding along the bottom side of the rectangular cylinder 18; the top of the rectangular rod 33 is connected to the bottom outer wall of the sealing sleeve 36 through a connecting frame 35.

[0040] Based on the above design, when in use, the control operating rod 331 is controlled to move upward, thereby driving the sealing sleeve 36 to move upward. At this time, the sealing sleeve 36 is detached from the drainage hole 301. At this time, the drainage hole 301 is in a conductive state, that is, at this time, clean water can be discharged through the drainage hole 301; when sludge needs to be discharged, the control operating rod 331 is controlled to move downward, thereby driving the sealing sleeve 36 to move downward. At this time, the sealing sleeve 36 blocks the drainage hole 301, and then the control operating rod 331 is controlled to rotate to drive the scraper 37 to rotate along the bottom side of the rectangular cylinder 18, thereby discharging the mud accumulated along the bottom side of the rectangular cylinder 18 from the sludge discharge port 182.

[0041] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A stone cutting device for construction, characterized in that: It comprises a support frame (1) supported by pillars (19); The support frame (1) is provided with a base with a support beam (11) on both sides, a guide rail (12) is fixed on the upper surface of the support beam (11) along the length direction, a slider (121) is provided on the guide rail (12), a bearing mechanism (4) is provided on the slider (121), and a stone bearing platform (5) is fixed on the bearing mechanism (4); A stone cutting mechanism (2) is mounted on the support frame (1) located on one side of the base; The bearing mechanism (4) comprises a bottom plate A (40), and upwardly protruding side plates (41) are respectively arranged on both sides of the upper surface of the bottom plate A (40), and a guide rod A (43) and a screw rod A (44) are connected between the two side plates (41); it also comprises a movable platform (45), a boss (46) is arranged on the bottom side of the movable platform (45), the guide rod A (43) passes through the boss (46), and a nut A matching with the screw rod A (44) is arranged on the boss (46), and a support rod (42) is connected between the two side plates (41) and abuts against the bottom side of the movable platform (45), and the movable platform (45) and the support rod (42) are slidably matched; When in use, the stone material bearing platform (5) is fixed on the movable platform (45) by means of bolts penetrating the movable platform (45).

2. A stone cutting device for construction according to claim 1, characterized in that: The stone cutting mechanism (2) comprises a bottom plate (20) connected to one side of the support frame (1); the top plate (24) is connected to the top surface of the bottom plate (20) via a connecting column (23); a wire rod B (28) is mounted on the bottom plate (20) and the top plate (24); a movable plate (25) is arranged between the bottom plate (20) and the top plate (24); a cutting motor (26) is mounted on the movable plate (25); and a cutting blade (27) is mounted on the output shaft of the cutting motor (26); The bottom plate (20) is equipped with a motor B (22) via a U-shaped frame (21), and the motor B (22) is drivingly connected to the end of a screw rod B (28); The screw rod B (28) cooperates with a screw nut B (281) installed on the movable plate (25), and a guide sleeve (231) cooperating with the connecting column (23) is installed on the movable plate (25).

3. A stone cutting device for construction according to claim 2, characterized in that: The two sides of the movable platform (45) are respectively provided with downwardly bent extension parts (47), the outer wall of the extension part (47) is provided with a rectangular slide groove (471) along its length direction, and the rectangular slide groove (471) is matched with a convex sliding block (48), and a rotating shaft (481) is provided at the end of the sliding block (48), and a rotating arm (483) is matched and connected to the rotating shaft (481), and the ends of the rotating arms (483) located on both sides of the movable platform (45) are connected to the ends of a horizontal arm (49); When in use, the cross arm (49) is located directly above the movable platform (45), and a fixing module for clamping and fixing stones placed on the stone bearing platform (5) is provided on the cross arm (49).

4. A stone cutting device for construction according to claim 3, characterized in that: The fixing module comprises an adjusting bolt (491) threadedly connected to the cross arm (49), the end of the adjusting bolt (491) is rotatably connected to one side of a rectangular clamping plate (492), and a guiding telescopic sleeve rod is connected between the rectangular clamping plate (492) and the cross arm (49); The rotating shaft (481) is threadedly connected with a locking bolt (482) that penetrates the sliding block (48). During installation, the locking bolt (482) is controlled to be locked until the end of the locking bolt (482) abuts against the bottom side of the rectangular sliding groove (471).

5. The stone cutting device for construction according to claim 1, characterized in that: The movable plate (25) is also provided with a water spray pipe for spraying water on the cutting position of the cutting blade (27).

6. A stone cutting device for construction according to claim 5, characterized in that: A shell (17) whose size gradually decreases from top to bottom is connected to the support frame (1) located directly below the stone cutting mechanism (2); a rectangular cylinder (18) is connected to the bottom end of the shell (17); and a drainage structure (3) is connected to the bottom side of the rectangular cylinder (18); The bottom side of the rectangular cylinder (18) is provided with a sludge discharge port (182), and the sludge discharge port (182) is matched with a sealing cover.

7. A stone cutting device for construction according to claim 6, characterized in that: The drainage structure (3) comprises a drainage pipe (30) penetrating the bottom side of the rectangular cylinder (18); the top of the drainage pipe (30) protrudes from the bottom side of the rectangular cylinder (18); a drainage hole (301) is arranged around the drainage pipe (30) located at the upper part of the rectangular cylinder (18); and a sealing sleeve (36) is sleeved around the drainage pipe (30) provided with the drainage hole (301).

8. A stone cutting device for construction according to claim 7, characterized in that: A circular tubular portion (180) is disposed inside the rectangular cylindrical body (18), the top of the circular tubular portion (180) is connected to a base plate (181) with a circular through hole in the middle, and the peripheral side of the base plate (181) is in sealing contact with the inner wall of the rectangular cylindrical body (18); The inner wall of the drainage pipe (30) is provided with a rubber block (32), and the drainage pipe (30) located above the rubber block (32) is connected to an inclined pipe (31) arranged obliquely; A rectangular rod (33) is provided through the rubber block (32), an operating rod (331) is provided at the bottom of the rectangular rod (33), a sleeve (34) rotatably mounted on the top of the drain pipe (30) is provided through the top of the rectangular rod (33), and a scraper (37) is connected to the peripheral side of the sleeve (34) and slides along the bottom side of the rectangular cylinder (18); the top of the rectangular rod (33) is connected to the bottom outer wall of the sealing sleeve (36) through a connecting frame (35).

9. The stone cutting device for construction according to claim 1, characterized in that: A motor compartment (14) is provided at one end of the support frame (1), and two screw motors are installed in the motor compartment (14) for driving and connecting a screw rod C (13) respectively; screw rod mounting seats for mounting the screw rod C (13) are respectively provided at both ends of the upper surface of the base; and a nut C matching the screw rod C (13) is provided on the bottom side surface of the bottom plate A (40).

10. The stone cutting device for construction according to claim 1, characterized in that: A touch rod (16) is provided on one side of the bearing mechanism (4), and a travel switch (15) is respectively installed on the support frames (1) located on both sides of the touch rod (16).

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