CN218083472U

CN218083472U - Direct stone unloading device

Info

Publication number: CN218083472U
Application number: CN202220636076.3U
Authority: CN
Inventors: 康金有; 张恒; 张进生; 李龙才
Original assignee: Hubei Province Huajian Stone Co ltd
Current assignee: Hubei Province Huajian Stone Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-12-20
Anticipated expiration: 2032-03-21

Abstract

The utility model discloses a stone material directly unloads board device, including frame, transportation unit, cutting unit, unload the board unit, the cutting unit is used for the cutting to treat the cutting slabstone so that treat cutting slabstone and stone material separation, unloads the first driving piece that the board unit includes the locating arm and is used for controlling the locating arm motion, and the one end of locating arm has the mounting that is used for fixed slabstone, and the locating arm has the location gesture that is used for supporting, fixes a position and treats cutting slabstone to and be used for piling up the pile-up gesture of putting things in good order cutting back slabstone. In the cutting process, the plate unloading unit fixes the stone plate to be cut in situ, so that the stone plate to be cut cannot generate displacement under the influence of cutting force, and the cutting precision is ensured; the stone plate to be cut cannot topple and fall under high-speed cutting to damage machinery and the stone plate; because the plate unloading unit always fixes the stone plate to be cut in the original position, the cutting unit can completely cut the stone plate to be cut, the fracture of the stone plate is neat, and the quality of unloading the plate is improved.

Description

Direct stone unloading device

Technical Field

The utility model belongs to the technical field of the stone material processing, concretely relates to direct unloading device of stone material.

Background

In stone material processing, in order to obtain the slabstone, need to process into semi-manufactured goods with the stone material of blocking, the slabstone that the stone material processed is semi-manufactured goods, and its upper portion is the slabstone that arranges layer upon layer, and the lower extreme of slabstone still links to each other with the stone material, then unloads the board operation, takes off the slabstone that links to each other with the stone material from the stone material to the assigned area is put things in good order.

Unload the board process at present and lean on manual operation basically, operating personnel carries out chisel attack or cutting to the junction of slabstone and stone material earlier, makes the junction of slabstone and stone material become weak, later operating personnel rolls over slabstone down, and at last bare-handed carries the slabstone to appointed region, and the manual work unloads the board and has following problem: the labor intensity of workers is high, the production efficiency is low, and stone slabs are easy to damage in manual operation. Along with the modernized production level improves, traditional mode of production has not been adapted to modernized production, consequently, prior art adopts the board unloading operation that the slabstone realized of board unloading machine, and current board unloading machine adopts cutter unit mode of punching or grooving usually to make its junction roll over the slabstone down after more weak, removes the slabstone that will roll over through transmission, has saved a large amount of manpower and materials, has also reduced the damage to the slabstone, has improved the security of operation process.

However, in the plate unloading process of the existing equipment, the connection part of the stone plate is weakened by adopting a mode of punching or grooving by a cutter set, and then the plate is folded down, so that the problems of damage, irregular fracture and the like of the connection part of the stone plate can be caused; in the plate unloading process, the plate unloading machine is insufficiently fixed to the stone plate, and the stone plate falls and falls to cause damage to equipment or the stone plate; in addition, the plate unloading machine needs to spend a large amount of time stacking the stone plates, and the whole plate unloading efficiency is lower.

SUMMERY OF THE UTILITY MODEL

The utility model provides a stone material directly unloads board device to solve at least one among the above-mentioned technical problem.

The utility model discloses the technical scheme who adopts does:

the utility model provides a stone material directly unloads board device, includes frame, transportation unit, cutting unit, unloads the board unit, the cutting unit is used for the cutting to wait to cut slabstone so that it separates with the stone material to wait to cut slabstone, it includes the location arm and is used for control to unload the board unit the first driving piece of location arm motion, the one end of location arm has the mounting that is used for fixed slabstone, the location arm has the location gesture that is used for supporting, fixes a position and waits to cut slabstone to and be used for piling up the pile-up gesture of piling up cutting back slabstone.

The positioning arm comprises a first rod piece and a second rod piece, the first rod piece is connected with the second rod piece in a rotating mode, the first rod piece is arranged on the rack, the fixing piece is arranged on the second rod piece, and the second rod piece can rotate relative to the first rod piece so that the stone plate carried by the fixing piece can rotate between the horizontal plane and the vertical plane.

In the positioning posture, the positioning arm is positioned on one side of the stone plate to be cut, and the fixing piece is used for fixing the stone plate to be cut in a vertical plane; in the stacking posture, the fixing piece drives the stone plate to rotate to the horizontal plane.

The first rod piece comprises a connecting portion and an inner rod, one end of the connecting portion is of a cylindrical structure, the connecting portion is sleeved on the inner rod, the connecting portion can be lifted along the inner rod and can rotate coaxially relative to the inner rod, the other end of the connecting portion is provided with a U-shaped opening, and one end of the second rod piece extends into the U-shaped opening and is connected with the connecting portion in a rotating mode.

The frame still includes first track, first track extends along the width direction of waiting to cut the stone material, first member set up in first track and can follow first track removal.

The cutting unit comprises a cutting piece, a positioning assembly and a second driving piece for driving the cutting piece to move, and the positioning assembly is matched with the cutting piece to adjust the cutting position of the cutting piece;

the frame still includes second track and third track, the second track extends along the length direction who waits to cut the stone material, the third track extends along the width direction who waits to cut the stone material, the cutting unit can be followed the second track with the third track removes.

The cutting part includes the diamond wire saw, locating component includes guide pulley and lifter, the one end of lifter connect in the second driving piece, the second driving piece with the second track with the cooperation of third track, the other end of lifter connect in guide pulley, the partial region of diamond wire saw is around locating guide pulley.

The lifting rod is a screw rod, the second driving piece comprises a nut matched with the screw rod and a driving module, and the driving module is used for controlling the nut to rotate so that the screw rod moves relative to the nut.

The frame is also provided with a placing groove for placing the stone plate, and the placing groove is positioned on the cutting side of the stone.

The fixing piece comprises a sucker frame and a plurality of suckers, the suckers are arranged on the sucker frame, the sucker frame is in rotating connection with the positioning arm, and the sucker frame can rotate relative to the positioning arm.

Since the technical scheme is used, the utility model discloses the beneficial effect who gains does:

1. in the cutting process of the stone slab to be cut, the slab unloading unit always fixes the stone slab to be cut in the original position, so that the stone slab to be cut cannot generate displacement under the influence of cutting force in the cutting process, and the cutting precision is ensured; meanwhile, the slate to be cut cannot topple and fall under high-speed cutting under the fixation of the board unloading unit, so that the integrity of the cut slate is ensured, and the safety is improved; because have to unload the board unit and will treat that the cutting slabstone is fixed in the normal position all the time, so the cutting unit can be directly will treat the cutting slabstone and cut completely, and the slabstone after the cutting need not just can directly be lifted off through buckling, and damaged and uneven problem can not appear in slabstone fracture department, has improved the quality of unloading the board.

2. As a preferred embodiment of the present invention, the connecting portion of the first rod is sleeved with the inner rod, so that the first rod can extend and retract, and further the positioning arm can be lifted, and in addition, the connecting portion can rotate coaxially with respect to the inner rod, and one end of the second rod extends into the U-shaped opening of the connecting portion to be rotatably connected with the connecting portion, so that the second rod can rotate along the same axis with respect to the first rod, and the second rod can also rotate along the connecting portion with respect to the first rod, so as to change the included angle between the second rod and the first rod; the degree of freedom of the positioning arm is improved, and the positioning arm can be conveniently switched between a positioning posture and a stacking posture. In addition, the lateral wall of the U-shaped opening can guide the second rod piece to be limited, so that the second rod piece can only rotate from the opening side under the stop of the lateral wall of the U-shaped opening, and the reliability of rotation of the second rod piece is improved.

3. As an embodiment of the utility model, the frame has set up the confession and has unloaded the first track that the board unit extends along stone material width direction for unload the board unit and can follow stone material width direction and remove, be convenient for unload the board unit and carry the slabstone that the cutting was accomplished and remove slabstone and put things in good order the position and wait to cut slabstone location to next.

4. As a preferred embodiment of the utility model, utilize the diamond wire saw to treat cutting slabstone as cutting member and cut, avoided the cutting unit and unloaded the board unit and take place to interfere, the linear cutting of diamond wire saw can make the cutting cross-section more neat moreover, reduces the cutting process in the rubble splash.

5. As the utility model discloses a preferred embodiment sets up the standing groove in the cutting side of stone material for the location arm need not remove on a large scale after unloading the board and can put things in good order the slabstone, has avoided the location arm to carry the slabstone and has removed the slabstone problem of falling that probably produces on a large scale, has still reduced the time consumption of putting things in good order the slabstone, and then has improved holistic board efficiency of unloading.

6. As the utility model discloses a preferred embodiment chooses the combination of sucking disc and sucking disc frame for use as the mounting, because the combination volume of sucking disc and sucking disc frame is less, can avoid unloading the board unit and take place with the cutting unit, the fixed effectual of sucking disc to can not cause the damage to the slabstone, the sucking disc frame rotates with the location arm and is connected, is convenient for adjust the angle of sucking disc frame, avoids mounting and cutting unit to take place to interfere.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

FIG. 1 is a schematic view of a direct stone unloader according to an embodiment of the present invention;

FIG. 2 is a block diagram of a plate unloading unit according to an embodiment of the present invention;

FIG. 3 is a block diagram of a frame according to an embodiment of the present invention;

fig. 4 is a structural diagram of a cutting unit according to an embodiment of the present invention.

List of reference numerals:

1, placing grooves on a rack, 11 a first rail, 12 a second rail, 13 a third rail and 14;

2, cutting units, 21 cutting pieces, 211 diamond rope saws, 22 second driving pieces, 23 positioning assemblies, 231 lifting rods and 232 guide pulleys;

3 board unloading units, 31 positioning arms, 311 fixing parts, 3111 sucker racks, 3112 suckers, 312 first rod parts, 3121 inner rods, 3122 connecting parts and 32 first driving parts.

Detailed Description

In order to more clearly explain the overall concept of the present invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

In addition, in the description of the present invention, it should be understood that the terms "top", "inner", "axial", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly stated or limited, the terms "connected" and "fixed" are to be understood broadly, and may be, for example, fixedly connected, detachably connected, or integrated; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. In the description of the present specification, reference to the terms "implementation," "embodiment," "one embodiment," "example" or "specific example" or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

As shown in fig. 1 to 4, the application of a direct stone slab unloading device includes a frame 1, a transportation unit, a cutting unit 2, and a slab unloading unit 3, wherein the cutting unit 2 is used for cutting a stone slab to be cut so as to separate the stone slab to be cut from a stone, the slab unloading unit 3 includes a positioning arm 31 and a first driving member 32 for controlling the movement of the positioning arm 31, one end of the positioning arm 31 is provided with a fixing member 311 for fixing the stone slab, the positioning arm 31 is provided with a positioning posture for supporting and positioning the stone slab to be cut, and a stacking posture for stacking and stacking the cut stone slabs.

The application discloses direct working process who unloads board device of stone material: the stone material transports the position of working through the transportation unit, positioning arm 31 removes and makes mounting 311 be fixed in the slabstone that waits to cut, and cutting unit 2 includes cutting member 21, second driving piece 22 and locating component 23, and cutting member 21 cuts the slabstone in proper order in one side of stone material, and locating component 23 and the cooperation of second driving piece 22 make cutting member 21 remove the cutting position, and cutting member 21 treats the cutting slabstone and cuts until slabstone and stone material complete separation, and positioning arm 31 removes to the position of putting things in good order to the slabstone level stacks in the position of putting things in good order after will cutting, and mounting 311 separates with the slabstone that the putting is accomplished, and positioning arm 31 removes and makes mounting 311 be fixed in next one and wait to cut slabstone, so relapse.

In the direct stone material unloading device of this application, "directly unload the board" means: in the cutting process of the stone slab, the cutting unit 2 directly cuts the stone slab completely and separates the stone slab from the stone, and the process that the cut stone slab is folded down from the stone in the traditional stone slab unloading process is omitted.

It should be noted that the positioning arm 31 always keeps the fixing member 311 fixed on the stone slab in the positioning posture until the stacking posture is finished, and the fixing member 311 is separated from the stone slab, that is, in the cutting process of the stone slab to be cut, the slab unloading unit 3 always fixes the stone slab to be cut in the original position, and the stone slab to be cut plays a role in supporting and positioning, so that the stone slab to be cut cannot be displaced under the influence of the cutting force in the cutting process, and the cutting precision is ensured; the stone slab to be cut can not topple and fall under high-speed cutting to damage equipment and the stone slab, and the safety is improved; because have and unload board unit 3 and will wait to cut slabstone all the time and fix the normal position, so cutting unit 2 can be directly will wait to cut slabstone and cut completely, and the slabstone after the cutting need not just directly lift off through buckling, reduces the slabstone fracture department and appears damaged and uneven problem, has improved and has unloaded the quality of board.

As a preferred embodiment of the present invention, as shown in fig. 2, the positioning arm 31 further includes a first rod 312 and a second rod 313, one end of the second rod 313 is hinged to the first rod 312, the second rod 313 can rotate relative to the first rod 312 along the hinged portion under the action of a driving motor (not shown in the figure), the other end of the second rod 313 is provided with a fixing member 311, and the positioning arm 31 can drive the stone plate fixed by the fixing member 311 to rotate between the vertical plane and the horizontal plane through the relative rotation between the first rod 312 and the second rod 313. In the positioning posture, the second rod 313 is approximately perpendicular to the first rod 312, the fixing member 311 is fixed on the stone plate to be cut, and the positioning arm 31 provides a supporting force for the stone plate to be cut, so that the stone plate to be cut is always fixed on the vertical surface, that is, the positioning arm 31 always fixes the stone plate to be cut in situ in the positioning posture; in the stacking posture, the second rod 313 and the first rod 312 are substantially horizontal, the cut slate is driven by the positioning arm 31 to rotate into the horizontal plane, and the positioning arm 31 drives the cut slate to the slate stacking position.

The second rod 313 of the positioning arm 31 can rotate relative to the first rod 312, so that the positioning arm 31 can drive the stone slabs fixed by the fixing piece 311 to rotate between the vertical plane and the horizontal plane, the stone slabs can be stacked on the horizontal plane, and the problem that the stacked stone slabs are toppled is avoided.

It should be noted that the purpose of the first rod 312 and the second rod 313 being hinged is to enable the slate fixed by the fixing member 311 to rotate between a vertical plane and a horizontal plane, so that the slate can be stacked on the horizontal plane, and the angle of rotation between the first rod 312 and the second rod 313 is not limited, based on the position where the first rod 312 and the fixing member are disposed.

As an example of this embodiment, as shown in fig. 2, the first rod member 312 includes an inner rod 3121 and a connecting portion 3122, one end of the connecting portion 3122 has a cylindrical structure, the connecting portion 3122 is sleeved on the inner rod 3121, the connecting portion 3122 can be lifted and lowered along the inner rod 3121 and coaxially rotated with respect to the inner rod 3121, the other end of the connecting portion 3122 has a U-shaped opening, and one end of the second rod member 313 connected to the first rod member 312 extends into the U-shaped opening and is rotatably connected to the connecting portion 3122.

Through setting up interior pole 3121 and connecting portion 3122, second member 313 can go up and down along first member 312 under the drive of connecting portion 3122, simultaneously can also be for first member 312 coaxial rotation, has improved the degree of freedom of positioning arm 31, and the movement of positioning arm 31 of being convenient for and fix mounting 311 on waiting to cut slabstone makes positioning arm 31 change between location gesture and pile up the gesture easier, can also avoid positioning arm 31 and cutting unit 2 to take place to interfere.

It should be noted that the second rod 313 may be lifted without using the structure that the inner rod 3121 of the first rod 312 is sleeved with the connecting portion 3122, and the first rod 312 may be configured to be capable of cooperating with the first driving member 32, so that the first rod 312 is lifted relative to the first driving member 32 by the action of the first driving member 32, and the second rod 313 may be lifted.

As a specific example of the present embodiment, as shown in fig. 1 and 3, the frame 1 includes a first rail 11, the first rail 11 extends along a width direction of the stone to be cut, a first rod 312 is disposed on the first rail 11, and the first rod 312 can move along the first rail 11 under the action of the first driving member 32. Specifically, the first rail 11 is provided on the top of the frame 1.

Frame 1 has set up the confession and has unloaded the first track 11 that board unit 3 extends along stone material width direction for unload board unit 3 and can remove along stone material width direction, be convenient for unload the slabstone that board unit 3 carried the cutting completion and remove slabstone and put things in good order the position, along with going on of whole course, the position of waiting to cut the slabstone also constantly changes, it can remove along stone material width direction also to conveniently unload board unit 3 and fix a position all waiting to cut slabstone to unload board unit 3.

As a preferred embodiment of the present invention, as shown in fig. 1, fig. 3 and fig. 4, the cutting unit 2 includes a cutting member 21, a positioning assembly 23 and a second driving member 22 for driving the cutting member to move, the positioning assembly 23 cooperates with the cutting member 21 to adjust the cutting position of the cutting member 21, the frame 1 further includes a second rail 12 and a third rail 12, the second rail 12 extends along the length direction of the stone to be cut, the third rail 13 extends along the width direction of the stone to be cut, and the cutting unit 2 can move along the second rail 12 and the third rail 13. Specifically, there are two second tracks 12 and are distributed on the top of two ends of the frame along the length direction of the stone, two ends of a third track 13 are respectively arranged on the two second tracks 12, and the third track 13 can move along the second tracks 12.

The cutting piece can be followed the length and the width direction removal of stone material to locating component can also control the cutting piece and go up and down, makes the cutting piece accurate arrival cutting position, improves cutting accuracy.

It should be noted that the second rail and the third rail may also be disposed at the bottom of the rack 1, and in addition, the second rail may also be disposed on the third rail, and the second rail may be capable of moving along the third rail.

As an example of the present embodiment, as shown in fig. 1 and 4, the cutting member 21 includes a diamond wire saw 211, the diamond wire saw 211 includes diamond segments and a bead wire, the bead wire passes through the diamond segments, and each diamond segment is spaced along the bead wire, the diamond wire saw 211 is powered by the wire saw, the positioning assembly 23 includes two sets of guide pulleys 232 and a lifting rod 231, one end of the lifting rod 231 is connected to the second driving member 22, the second driving member 22 is engaged with the second rail 12 and the third rail 13, the other end of the lifting rod 231 is connected to the guide pulleys 232, and the positioning assembly 23 is disposed at both sides of the first rail 11, a partial area of the diamond wire saw 211 is wound around the two sets of guide pulleys 232, and the diamond wire saw 211 is wound around the stone.

Utilize diamond wire saw to treat the cutting slabstone and cut, avoided cutting unit 2 and unloaded board unit 3 to take place to interfere, diamond wire saw's linear cutting can make the cutting cross-section more neat moreover, reduces among the cutting process rubble and splashes, and locating component 23 can remove, makes diamond wire saw can center on to the stone material of unidimensional not.

It should also be noted that other options are available for the cutting member 21, such as a cutting element such as a circular saw, and the diamond wire saw of the present disclosure can make the cutting section more orderly without interfering with the plate unloading unit 3, compared with other cutting elements.

As a specific example in this embodiment, the lifting rod 231 is a screw rod, and the second driving element 22 includes a nut (not shown) engaged with the screw rod and a driving module (not shown) for controlling the nut to rotate so as to move the screw rod relative to the nut.

Choose for use the lead screw to go up and down as lifter 231 and the cooperation of second driving piece 22, improved the lift precision of cutting member 21, make cutting member 21 remove the cutting position more accurately, and then improved cutting precision and cutting quality.

It should be further noted that, the option of the lifting rod 231 is not limited to the lead screw, and the lifting can be realized by setting a telescopic structure, for example, the lifting rod is set to a structure that the shaft is sleeved with the shaft sleeve, so as to achieve the effect of the telescopic lifting rod, and further, the lifting rod drives the guide pulley 232 to lift.

As a preferred embodiment of the present invention, as shown in fig. 3, the frame 1 is further provided with a placing groove 14 for horizontally placing the stone slab, the placing groove 14 is located on the cutting side of the stone material, and the placing groove 14 is located on the route of the first track 11, the length of the placing groove 14 is greater than the length of the largest stone material that the stone direct unloading device of the present disclosure can handle, and the width of the placing groove 14 is greater than the width of the largest stone slab that the stone direct unloading device of the present disclosure can handle.

Set up standing groove 14 in the cutting side of stone material and be located first track 11's route for location arm 31 need not remove on a large scale after unloading the board and can put things in good order the slabstone, has avoided location arm 31 to carry the slabstone to remove on a large scale the slabstone problem of falling that probably produces, has still reduced the time consumption of putting things in good order the slabstone, and then has improved holistic board efficiency of unloading.

It should also be noted that the placement slot may also be a structure that is used in conjunction with or detachably connected to the frame, such as a cart for stacking slates, a movable structure that can be spliced to and formed as part of the frame.

As a preferred embodiment of the present invention, as shown in fig. 2, the fixing member 311 includes a suction cup holder 3111 and nine suction cups 3112, the suction cup holder 3111 is a grid-shaped holder and has nine grid intersections, the nine suction cups 3112 are distributed on the nine intersections of the suction cup holder 3111, the suction cup holder 3111 is rotatably connected to the positioning arm 31, and the suction cup holder 3111 is rotatable relative to the positioning arm 31.

Of course, the number of the suckers can be set to other numbers as required as long as the suckers can be fixed with the stone plate.

Choose sucking disc 3112 and sucking disc frame 3111's combination as the mounting for use, because sucking disc 3112 and sucking disc frame 3111's combination volume is less, can avoid unloading board unit 3 and cutting unit 2 and take place to interfere, the fixed effectual of sucking disc to can not cause the damage to the slabstone, sucking disc frame 3111 rotates with location arm 31 and is connected, is convenient for adjust sucking disc frame 3111's angle, avoids mounting 311 and cutting unit 2 to take place to interfere.

In addition, the restriction is not done in the chooseing of mounting 311, also can choose for use calliper, and gripper isotructure fixes the slabstone, relatively speaking, this disclosure chooses for use the sucking disc to fix the slabstone, can not cause the damage to the slabstone, and is fixed effectual.

The utility model can be realized by adopting or using the prior art for reference in places which are not mentioned in the utility model.

All the embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from other embodiments.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a stone material directly unloads board device, includes frame, transportation unit, cutting unit, unloads the board unit, its characterized in that, the cutting unit is used for the cutting to wait to cut slabstone so that wait to cut slabstone and stone material separation, it includes the locating arm and is used for control to unload the board unit the first driving piece of locating arm motion, the one end of locating arm has the mounting that is used for fixed slabstone, the locating arm has the location gesture that is used for supporting, fixes a position and waits to cut slabstone to and be used for piling up the pile-up gesture of piling up cutting back slabstone.

2. The direct stone unloading device of claim 1, wherein the positioning arm includes a first rod and a second rod, the first rod is rotatably connected to the second rod, the first rod is disposed on the frame, the fixing member is disposed on the second rod, and the second rod is rotatable relative to the first rod to rotate the stone slab carried by the fixing member between the horizontal plane and the vertical plane.

3. A stone direct unloader as claimed in claim 2, wherein in the set position the positioning arm is located to one side of the slate to be cut and the fixing member fixes the slate to be cut in a vertical plane; and in the stacking posture, the fixing piece drives the stone plate to rotate to the horizontal plane.

4. The direct stone plate unloading device of claim 2, wherein the first rod comprises a connecting portion and an inner rod, one end of the connecting portion is of a cylindrical structure, the connecting portion is sleeved on the inner rod, the connecting portion can ascend and descend along the inner rod and coaxially rotate relative to the inner rod, the other end of the connecting portion is provided with a U-shaped opening, and one end of the second rod extends into the U-shaped opening and is rotatably connected with the connecting portion.

5. A direct stone slab unloader as claimed in claim 4, wherein the frame further comprises a first rail extending in a width direction of the stone to be cut, the first bar being provided to the first rail and being movable along the first rail.

6. The direct stone unloader of claim 1, wherein the cutting unit comprises a cutting member, a positioning assembly and a second driving member for driving the cutting member to move, the positioning assembly cooperating with the cutting member to adjust a cutting position of the cutting member;

7. The direct stone unloading device of claim 6, wherein the cutting member comprises a diamond wire saw, the positioning assembly comprises a guide pulley and a lifting rod, one end of the lifting rod is connected to the second driving member, the second driving member is engaged with the second rail and the third rail, the other end of the lifting rod is connected to the guide pulley, and a part of the diamond wire saw is wound around the guide pulley.

8. The direct stone unloader of claim 7, wherein the lifter is a lead screw, and the second driving member comprises a nut engaged with the lead screw and a driving module for controlling the nut to rotate so as to move the lead screw relative to the nut.

9. A direct stone unloader as claimed in claim 1, wherein the frame is further provided with a placement groove for placing a stone slab, the placement groove being located on a cut side of the stone.

10. A direct stone unloading device as claimed in claim 1, wherein the fixture includes a suction cup holder and a plurality of suction cups, the suction cups being disposed on the suction cup holder, the suction cup holder being rotatably connected to the positioning arm, the suction cup holder being rotatable relative to the positioning arm.