Drilling equipment for stone machining

Abstract

The utility model relates to the technical field of stone machining equipment, in particular to drilling equipment for stone machining, which comprises a base and a drilling mechanism, the drilling mechanism is arranged on one side above the base, a limiting transfer mechanism is arranged at one end of the base, the drilling mechanism comprises a drilling machine body, and supports are arranged on two sides above the drilling machine body. First telescopic rods are arranged on the inner sides of the two supports correspondingly, the limiting transfer mechanism comprises a supporting plate, a supporting frame is arranged above the supporting plate, L-shaped plates are connected to the two ends of the upper portion of the supporting frame correspondingly, lead screws are arranged in the middles of the two L-shaped plates in a penetrating mode correspondingly, and abutting plates are rotationally connected to one ends of the two lead screws correspondingly. Manual operation of a worker or carrying through additional equipment is not needed before and after punching, movement of a second guide rod can be limited after stone is clamped and fixed through an abutting plate, the abutting plate and a lead screw are fixed, and the clamping and fixing effect of the two abutting plates on the stone is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to stone processing equipment technical field, specifically disclose a drilling equipment for stone processing. BACKGROUND

[0002] Stone processing refers to the process that raw stone is processed according to design requirements, and is made into various stone products suitable for the fields such as building, landscaping, sculpture etc., in the process of processing stone, drilling equipment is usually used to drill holes in the appropriate position on the stone to meet the corresponding processing requirements.

[0003] The Chinese patent with patent No. CN215094729U discloses a drilling equipment for stone processing, which belongs to the field of perforating machines, and its technical scheme points include a base and a drill bit located at the top of the base, a plurality of fixed plates are arranged around the upper end surface of the base and fixed thereto, a lead screw is threadedly connected to the fixed plate, one end of the lead screw penetrates out of the fixed plate and is provided with a handle at the penetrating end, the other end of the lead screw penetrates into the fixed plate and is provided with a moving plate at the penetrating end, and the lead screw penetrates into the moving plate and is rotationally connected thereto. The utility model has the effects of fixing the workpiece, prolonging the service life of the drill bit, and ensuring the quality of the workpiece. However, the above-mentioned drilling equipment needs to be manually or using additional equipment to take and place the stone when in use, which is not conducive to saving the labor and equipment investment, and is relatively inconvenient. The above-mentioned drilling equipment has a single function and does not have the function of transporting stone. In addition, the lead screw in the above-mentioned drilling equipment is easy to rotate during the process of fixing the stone by the moving plate, which drives the guide rod to move in the fixed plate, affects the clamping and fixing effect of the moving plate on the stone, and thus affects the quality of stone drilling. Therefore, in order to solve the above-mentioned problems, the utility model provides a drilling equipment for stone processing. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a drilling equipment for stone processing, which has the function of transporting stone, does not need workers to manually or use additional equipment to transport before and after drilling, saves the labor and equipment investment, can limit the movement of the second guide rod after clamping and fixing the stone by the abutting plate, fix the abutting plate and the lead screw, ensure the clamping and fixing effect of the two abutting plates on the stone, and avoid the loosening of the abutting plate affecting the drilling quality of the stone.

[0005] The utility model is realized through the following technical schemes:

[0006] The application discloses a drilling equipment for stone processing, which comprises a base and a drilling mechanism, one side of the upper portion of the base is provided with the drilling mechanism, one end of the base is provided with a limiting transfer mechanism, the base comprises a bearing plate, one side of the bearing plate is provided with a controller, the middle portion of the bearing plate is provided with a through hole, both ends of the bearing plate are symmetrically provided with two insertion grooves, both sides of the lower portion of the bearing plate are connected with two first supporting legs, both sides of the inner portion of the bearing plate are provided with first sliding grooves, the drilling mechanism comprises a drilling machine body, the lower end of the drilling machine body is connected with the bearing plate, both sides of the upper portion of the drilling machine body are provided with supports, the inner sides of the two supports are provided with first telescopic rods, the telescopic ends of the two first telescopic rods are connected with mounting plates, the middle portion of each mounting plate is connected with a second telescopic rod, the telescopic end of the second telescopic rod is connected with a connecting plate, the limiting transfer mechanism comprises a supporting plate, both sides of the inner portion of the supporting plate are provided with second sliding grooves, both sides of the lower portion of the supporting plate are provided with two universal brake wheels, the upper portion of the supporting plate is provided with a supporting frame, both ends of the upper portion of the supporting frame are connected with L-shaped plates, a screw rod is arranged in the middle portion of each L-shaped plate, one end of each screw rod is rotationally connected with a resisting plate, and two L-shaped clamping blocks are symmetrically arranged on one side of each L-shaped plate.

[0007] As a further arrangement of the above scheme, the first telescopic rod is connected with the support, so that the first telescopic rod is convenient to install and maintain, the two sides of the support are provided with limiting holes, the two ends of the mounting plate are connected with limiting rods, the two limiting rods are respectively arranged in the inner portions of the two limiting holes and are in sliding connection with the limiting holes, the mounting plate and the connecting components thereof can be supported, and the movement direction of the mounting plate and the connecting components thereof is limited, the two ends of the lower portion of the connecting plate are connected with push plates, the two ends of the supporting frame are abutted with the push plates, so that the punching point of the supporting frame and the stone is adjusted, the two ends of the upper portion of the connecting plate are connected with first guide rods, the two first guide rods are arranged in the inner portion of the mounting plate and are in sliding connection with the mounting plate, and the movement direction of the connecting plate is limited.

[0008] As a further arrangement of the above scheme, the two sides of the supporting plate are provided with handrails, so that workers are convenient to grip, the two sides of the lower portion of the supporting plate are connected with second supporting legs, the lower end of the second supporting leg is connected with the universal brake wheel, the supporting plate and the supporting frame and other components can be stably supported, and the universal brake wheel is convenient to install and maintain.

[0009] As a further arrangement of the above-mentioned scheme, the lower two sides of the support frame are provided with sliding blocks, the two sliding blocks are respectively connected with two second sliding grooves in a sliding manner, so as to facilitate the adjustment of the position of the support frame and the stone placed on the support frame, the two ends of the two sliding blocks are provided with pin rods, the two ends of the support plate are symmetrically connected with insertion rods, the insertion rods and the pin rods are detachably connected with connecting rods, the outer sides of the insertion rods and the pin rods are threadedly connected with nuts, so that the position of the support frame can be limited during the transportation of the stone, and the support frame and the stone are prevented from falling off the support plate together, and the insertion rods are inserted into the insertion grooves, so that the support plate and the bearing plate can be aligned.

[0010] As a further arrangement of the above-mentioned scheme, the inner side of the support frame is symmetrically provided with a plurality of insertion holes arranged in a linear array, the inner side of the support frame is provided with a plurality of support rods, the upper plane of the support rod is on the same plane as the upper plane of the support frame, and the two ends of the support rod are respectively inserted into the insertion holes on the two sides, so that the number and position of the support rods can be adjusted according to the position of the hole drilled on the stone, so that the support rods can provide support for the stone while avoiding the influence of the support rods on the drilling of the stone and the damage of the support rods by the drilling machine, thereby prolonging the service life of the support rods.

[0011] As a further arrangement of the above-mentioned scheme, the L-shaped plate is threadedly connected with the lead screw, the lead screw is connected with a handle at an end away from the abutting plate, the lead screw penetrates the inside of the abutting plate and is rotationally connected with the abutting plate, which helps to adjust the distance between the abutting plate and the L-shaped plate by rotating the lead screw, and the side of the abutting plate close to the L-shaped plate is symmetrically connected with two second guide rods, the two second guide rods penetrate the inside of the L-shaped plate and are slidably connected with the L-shaped plate, so that the movement direction of the abutting plate can be limited.

[0012] As a further arrangement of the above-mentioned scheme, the two ends of the L-shaped plate are provided with first clamping grooves, the lower end of the L-shaped clamping block is provided with a second clamping groove, the end of the L-shaped clamping block away from the second clamping groove is clamped and connected with the first clamping groove, and the second clamping groove is clamped and connected with the second guide rod, so that after the position adjustment of the abutting plate and the second guide rod is completed, the positions of the second guide rod and the abutting plate can be fixed by the friction between the L-shaped clamping block, the second guide rod and the first clamping groove, thereby preventing the abutting plate and the lead screw from loosening during the drilling of the stone, and ensuring the clamping effect of the abutting plate on the stone.

[0013] As a further arrangement of the above-mentioned scheme, the two sliding blocks are respectively connected with two first sliding grooves in a sliding manner, which lays a foundation for the position adjustment of the support frame between the support plate and the bearing plate, and the movement of the support frame and the stone on the bearing plate to change the position of the drilling during the drilling process.

[0014] The two first sliding grooves and the second sliding groove are aligned after the insertion rod and the insertion slot are connected, and the cross-sectional size of the first sliding groove and the second sliding groove is consistent, and the distance between the two push plates below the same connecting plate is greater than the length of the L-shaped plate and the abutting plate.

[0015] The utility model discloses in the process of using has the following beneficial effects:

[0016] The use of the through hole in the bearing plate can avoid the accumulation of waste such as stone chips and stone residues generated by drilling on the bearing plate, and the combination of the insertion slot and the insertion rod facilitates the alignment of the limiting transfer mechanism and the base and the alignment of the first sliding groove and the second sliding groove, lays a foundation for the flexible movement of the support frame and the stone between the bearing plate and the support plate, and saves the labor of workers in carrying the stone

[0017] The combination of the two groups of first telescopic rods, second telescopic rods, connecting plates and two push plates in the drilling mechanism can adjust the horizontal and vertical positions of the push plates, so as to limit the position of the support frame and keep the support frame stable during drilling. By independently controlling the extension and retraction of the two first telescopic rods, the position of the push plate can be adjusted, and the position of the support frame can be adjusted to replace the drilling point of the stone.

[0018] The combination of the plurality of second support legs below the support plate and the universal brake wheel facilitates the adjustment of the position of the support plate and its connecting components, facilitates the transfer of the stone before and after drilling, enriches the use mode of the equipment, and the combination of the plurality of connecting rods and nuts can limit the position of the support frame during the transfer of the stone by the limiting transfer mechanism, so as to avoid the falling of the support frame and the stone from the support plate.

[0019] The combination of the plurality of insertion holes in the inner side of the support frame and the support rods can flexibly adjust the position and quantity of the support rods according to the drilling requirements of the stone, so as to provide support for the stone by the support rods while avoiding affecting the drilling effect of the drilling machine on the stone and avoiding damage to the support rods during drilling of the drilling machine, thereby prolonging the service life of the support rods. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced the drawings needed to be used in the embodiment description, obviously, the drawings in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, still can obtain other drawings according to these drawings.

[0021] Figure 1 It is a perspective view of the utility model;

[0022] Figure 2 It is a perspective view of the base in the utility model;

[0023] Figure 3 is a perspective view of the drilling mechanism in the utility model;

[0024] Figure 4 is a first perspective view of the limiting and transferring mechanism in the utility model;

[0025] Figure 5 is a second perspective view of the limiting and transferring mechanism in the utility model;

[0026] Figure 6 is a perspective view of the support frame in the utility model; Figure 5 is an enlarged view of point A in the utility model;

[0027] Figure 7 is a perspective view of the L-shaped clamping block in the utility model.

[0028] Figure 8 is a perspective view of the L-shaped clamping block in the utility model.

[0029] In the figure: 1, base; 2, drilling mechanism; 3, limiting and transferring mechanism; 4, controller; 11, bearing plate; 111, through hole; 112, insertion slot; 113, first sliding slot; 12, first supporting leg; 21, drilling machine body; 22, support; 221, limiting hole; 23, first telescopic rod; 24, mounting plate; 241, limiting rod; 25, second telescopic rod; 26, connecting plate; 261, push plate; 27, first guide rod; 31, support plate; 311, second sliding slot; 312, insertion rod; 313, handrail; 32, second supporting leg; 321, universal brake wheel; 33, support frame; 331, sliding block; 332, insertion hole; 333, pin; 334, supporting rod; 34, connecting rod; 341, nut; 35, L-shaped plate; 351, first clamping slot; 36, lead screw; 361, handle; 37, abutting plate; 38, second guide rod; 39, L-shaped clamping block; 391, second clamping slot. DETAILED DESCRIPTION

[0030] In order to make the personnel in the technical field better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person of ordinary skill in the art without making creative labor should belong to the protection scope of the present application.

[0031] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments. Figures 1-8

[0032] ​The embodiment discloses a drilling equipment for stone processing, which comprises a base 1 and a drilling mechanism 2, one side above the base 1 is provided with the drilling mechanism 2, one end of the base 1 is provided with a limiting transfer mechanism 3, the base 1 comprises a bearing plate 11, both sides of the inside of the bearing plate 11 are provided with first sliding grooves 113, the drilling mechanism 2 comprises a drilling machine body 21, the lower end of the drilling machine body 21 is connected with the bearing plate 11, both sides above the drilling machine body 21 are provided with supports 22, the inner sides of the two supports 22 are provided with first telescopic rods 23, the telescopic ends of the two first telescopic rods 23 are connected with mounting plates 24, the middle part of the mounting plate 24 is connected with a second telescopic rod 25, the telescopic end of the second telescopic rod 25 is connected with a connecting plate 26, the limiting transfer mechanism 3 comprises a supporting plate 31, both sides of the inside of the supporting plate 31 are provided with second sliding grooves 311, both sides below the supporting plate 31 are provided with two universal brake wheels 321, the upper side of the supporting plate 31 is provided with a supporting frame 33, both ends above the supporting frame 33 are connected with L-shaped plates 35, the middle parts of the two L-shaped plates 35 are both provided with lead screws 36, one end of the two lead screws 36 is rotatably connected with a resisting plate 37, and one side of the two L-shaped plates 35 is symmetrically provided with two L-shaped clamping blocks 39.

[0033] As shown in Figure 1 and Figure 2 , one side of the bearing plate 11 is provided with a controller 4, so that the operation of the related parts in the equipment can be controlled, the middle part of the bearing plate 11 is provided with a through hole 111, so that the waste such as stone chips and stone residues generated by drilling can be avoided to accumulate on the bearing plate 11, both ends of the bearing plate 11 are symmetrically provided with two insertion grooves 112, so that the insertion rods 312 can be connected, and both sides below the bearing plate 11 are connected with two first supporting legs 12, so that the bearing plate 11 and the parts above the bearing plate 11 can be stably supported.

[0034] As shown in Figure 1 and Figure 3As shown, the first telescopic rod 23 is connected with the support 22, facilitating installation and maintenance of the first telescopic rod 23, both sides of the support 22 are provided with limiting holes 221, both ends of the mounting plate 24 are connected with limiting rods 241, two limiting rods 241 are respectively penetrated into the interiors of the two limiting holes 221 and are in sliding connection with the limiting holes 221, which can provide support for the mounting plate 24 and its connecting components, and help to limit the moving direction of the mounting plate 24 and its connecting components, both lower ends of the connecting plate 26 are connected with push plates 261, which are convenient for abutting against both ends of the support frame 33, so as to adjust the punching point of the support frame 33 and the stone, both upper ends of the connecting plate 26 are connected with first guide rods 27, both the first guide rods 27 are penetrated into the interior of the mounting plate 24 and are in sliding connection with the mounting plate 24, which can limit the moving direction of the connecting plate 26.

[0035] As shown in Figure 1 , Figure 4 and Figure 5 , both sides of the support plate 31 are provided with handrails 313, facilitating workers to grasp, both lower sides of the support plate 31 are connected with second support legs 32, the lower ends of the second support legs 32 are connected with universal brake wheels 321, which can provide stable support for the support plate 31 and the support frame 33 and other components, facilitating installation and maintenance of the universal brake wheels 321.

[0036] As shown in Figure 1 , Figure 4 , Figure 5 , Figure 6 and Figure 7 , both lower sides of the support frame 33 are provided with sliding blocks 331, two sliding blocks 331 are respectively in sliding connection with two second sliding grooves 311, facilitating adjustment of the position of the support frame 33 and the stone placed on the support frame 33, both ends of the two sliding blocks 331 are provided with pin rods 333, both ends of the support plate 31 are symmetrically connected with insertion rods 312, the insertion rods 312 and the pin rods 333 are detachably connected with connecting rods 34, the outer sides of the insertion rods 312 and the pin rods 333 are threadedly connected with nuts 341, which can limit the position of the support frame 33 in the process of transporting the stone, avoiding the support frame 33 from falling off from the support plate 31 together with the stone, the insertion rod 312 is inserted into the insertion groove 112, which can align the support plate 31 and the bearing plate 11.

[0037] As shown in Figure 4 , Figure 5 and Figure 7As shown in the figure, the inner side of the support frame 33 is symmetrically provided with a plurality of jack 332 arranged in linear array, the inner side of the support frame 33 is provided with a plurality of support rods 334, the upper plane of the support rod 334 is in the same plane with the upper plane of the support frame 33, the two ends of the support rod 334 are respectively inserted with the jack 332 on both sides, the number and position of the support rod 334 can be adjusted according to the position of the hole drilled on the stone, so that the support rod 334 provides support for the stone while avoiding the influence of the support rod 334 on the stone drilling and the damage of the support rod 334 by the drilling machine, prolonging the service life of the support rod 334.

[0038] As shown in the figure, Figure 1 , Figure 4 and Figure 5 , the L-shaped plate 35 is threadedly connected with the lead screw 36, the end of the lead screw 36 away from the abutting plate 37 is connected with a handle 361, the lead screw 36 penetrates the inside of the abutting plate 37 and is rotationally connected with the abutting plate 37, which helps to adjust the distance between the abutting plate 37 and the L-shaped plate 35 by rotating the lead screw 36, and the side of the abutting plate 37 close to the L-shaped plate 35 is symmetrically connected with two second guide rods 38, both of which penetrate the inside of the L-shaped plate 35 and are slidingly connected with the L-shaped plate 35, which can limit the moving direction of the abutting plate 37.

[0039] As shown in the figure, Figure 4 , Figure 5 and Figure 8 , both ends of the upper side of the L-shaped plate 35 are provided with first clamping grooves 351, the lower end of the L-shaped clamping block 39 is provided with a second clamping groove 391, the end of the L-shaped clamping block 39 away from the second clamping groove 391 is clamped and connected with the first clamping groove 351, and the second clamping groove 391 is clamped and connected with the second guide rod 38, so that after the position adjustment of the abutting plate 37 and the second guide rod 38 is completed, the position of the second guide rod 38 and the abutting plate 37 can be fixed by the friction between the L-shaped clamping block 39, the second guide rod 38 and the first clamping groove 351, avoiding the loosening of the abutting plate 37 and the lead screw 36 during the drilling of the stone, and ensuring the clamping effect of the abutting plate 37 on the stone.

[0040] As shown in the figure, Figure 1 , both of the sliding blocks 331 are slidingly connected with the two first sliding grooves 113, which lays a foundation for the position adjustment of the support frame 33 between the support plate 31 and the bearing plate 11, and the movement of the support frame 33 and the stone on the bearing plate 11 during the drilling process to change the position of the drill hole.

[0041] The drilling equipment for stone processing disclosed in the embodiment loosens the brake of the universal brake wheel 321 before use, holds the handrails 313 to move the limiting transfer mechanism 3 to the stone placement point to be drilled, adjusts the number and position of the supporting rods 334 according to the drilling requirements of the stone, places the stone on the supporting frame 33, takes off the four L-shaped clamping blocks 39 in sequence and places them aside, releases the fixation on the second guide rod 38, holds the two handles 361 in sequence, rotates the lead screw 36, clamps the stone with the two abutting plates 37 from both sides of the stone, resets the four L-shaped clamping blocks 39 in sequence, restores the connection between the L-shaped clamping blocks 39 and the first clamping groove 351, restores the connection between the second clamping groove 391 and the second guide rod 38, avoids the sliding of the second guide rod 38, fixes the positions of the second guide rod 38, the lead screw 36 and the abutting plate 37, and moves the limiting transfer mechanism 3 with the stone to one end of the base 1.

[0042] The plurality of nuts 341 at both ends of the supporting plate 31 are unscrewed in sequence, the four connecting rods 34 are taken off in sequence, the position of the limiting transfer mechanism 3 is adjusted, the two insertion rods 312 close to one end of the bearing plate 11 are respectively inserted into the insertion grooves 112, at this time, the two first sliding grooves 113 and the second sliding groove 311 are respectively aligned, the supporting frame 33 on the supporting plate 31 is pushed, the sliding block 331 slides from the second sliding groove 311 into the first sliding groove 113, the supporting frame 33 with the stone is transferred from the supporting plate 31 to the bearing plate 11, the position of the supporting frame 33 is adjusted, the drilling point is aligned with the drill bit in the drilling machine body 21, the extension and retraction of the two first telescopic rods 23 and the second telescopic rod 25 are controlled in sequence using the controller, the limiting rod 241 slides in the limiting hole 221, the position of the second telescopic rod 25 and the push plate 261 is adjusted, the two push plates 261 below the two connecting plates 26 are respectively in contact with both ends of the supporting frame 33, the positions of the supporting frame 33 are fixed using the controller 4, the stone is drilled using the controller 4 to start the drilling machine body 21, after drilling, the extension and retraction of the two first telescopic rods 23 are controlled in sequence, the drilling position can be changed horizontally, the drill bit in the drilling machine body 21 is moved using the controller 4, and the drilling position can be changed vertically.

[0043] After the drilling is completed, the controller 4 is used to control the two second telescopic rods 25 to retract at the same time, so that the push plate 261 is separated from the support frame 33, the support frame 33 is pushed, the sliding block 331 is slid from the first sliding groove 113 into the second sliding groove 311, the handrail 313 is held, the limiting transfer mechanism 3 is pulled away from the bearing plate 11, the insertion rod 312 is separated from the insertion groove 112, the four connecting rods 34 and the plurality of nuts 341 are sequentially reset, the connection between the connecting rod 34 and the insertion rod 312 and the pin rod 333 is restored, the support frame 33 is fixed on the support plate 31, the brake of the universal brake wheel 321 is released, the stone material after drilling is transferred to a suitable position, the four L-shaped clamping blocks 39 are separated from the second guide rod 38 and the L-shaped plate 35, the two lead screws 36 are reversed, the fixing of the stone material is released, the stone material is taken down, and the above operation is repeated, so that the subsequent stone drilling operation can be performed.

[0044] The controller 4, the bearing plate 11, the insertion groove 112, the first sliding groove 113, the first support leg 12, the drilling machine body 21, the first telescopic rod 23, the mounting plate 24, the second telescopic rod 25, the first guide rod 27, the support plate 31, the second sliding groove 311, the insertion rod 312, the handrail 313, the second support leg 32, the universal brake wheel 321, the sliding block 331, the connecting rod 34, the nut 341, the L-shaped plate 35, the lead screw 36, the handle 361, the abutting plate 37 and the second guide rod 38 in the drilling equipment for stone processing disclosed by the utility model are all general standard parts or parts known by those skilled in the art, and the structure and principle thereof can be known by those skilled in the art through a technical manual or through a conventional experimental method.

[0045] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A drilling apparatus for stone processing, comprising a base and a drilling mechanism, characterized in that, The upper side of the base is provided with a drilling mechanism, one end of the base is provided with a limiting transfer mechanism, the base comprises a bearing plate, one side of the bearing plate is provided with a controller, the middle of the bearing plate is provided with a through hole, both ends of the bearing plate are symmetrically provided with two insertion slots, both sides of the bearing plate below are connected with two first supporting legs, both sides of the inside of the bearing plate are provided with first sliding grooves, the drilling mechanism comprises a drilling machine body, the lower end of the drilling machine body is connected with the bearing plate, both sides of the upper end of the drilling machine body are provided with supports, the inner sides of the two supports are provided with first telescopic rods, the telescopic ends of the two first telescopic rods are connected with mounting plates, the middle of the mounting plate is connected with a second telescopic rod, the telescopic end of the second telescopic rod is connected with a connecting plate, the limiting transfer mechanism comprises a supporting plate, both sides of the inside of the supporting plate are provided with second sliding grooves, both sides below the supporting plate are provided with two universal brake wheels, the upper side of the supporting plate is provided with a supporting frame, both ends of the upper side of the supporting frame are connected with L-shaped plates, the middle of the two L-shaped plates is provided with a lead screw, one end of the two lead screws is rotatably connected with a resisting plate, one side of the two L-shaped plates is symmetrically provided with two L-shaped clamping blocks.

2. A drilling apparatus for stone working according to claim 1, characterized in that, The first telescopic rod is connected with the support, both sides of the support are provided with limiting holes, both ends of the mounting plate are connected with limiting rods, the two limiting rods are respectively penetrated into the inside of the two limiting holes and are in sliding connection with the limiting holes, both ends below the connecting plate are connected with push plates, both ends above the connecting plate are connected with first guide rods, both the first guide rods are penetrated into the inside of the mounting plate and are in sliding connection with the mounting plate.

3. A drilling apparatus for stone working according to claim 1, characterized in that, Both sides of the supporting plate are provided with handrails, both sides below the supporting plate are connected with second supporting legs, the lower end of the second supporting leg is connected with the universal brake wheel.

4. A drilling apparatus for stone working according to claim 1, characterized in that, Both sides below the supporting frame are provided with sliding blocks, the two sliding blocks are respectively in sliding connection with the two second sliding grooves, both ends of the two sliding blocks are provided with pin rods, both ends of the supporting plate are symmetrically connected with insertion rods, the insertion rod and the pin rod are detachably connected with a connecting rod, the outer sides of the insertion rod and the pin rod are in threaded connection with nuts, and the insertion rod is inserted into the insertion slot.

5. A drilling apparatus for stone working according to claim 1, characterized in that, The inner side of the supporting frame is symmetrically provided with a plurality of insertion holes in linear array distribution, the inner side of the supporting frame is provided with a plurality of supporting rods, the upper plane of the supporting rod is on the same plane as the upper plane of the supporting frame, and both ends of the supporting rod are respectively inserted into the insertion holes on both sides.

6. A drilling apparatus for stone working according to claim 1, characterized in that, The L-shaped plate is in threaded connection with the lead screw, one end of the lead screw away from the resisting plate is connected with a handle, the lead screw is penetrated into the inside of the resisting plate and is in rotary connection with the resisting plate, one side of the resisting plate close to the L-shaped plate is symmetrically connected with two second guide rods, both the second guide rods are penetrated into the inside of the L-shaped plate and are in sliding connection with the L-shaped plate.

7. A drilling apparatus for stone working according to claim 1, characterized in that, Both ends above the L-shaped plate are provided with first clamping grooves, the lower end of the L-shaped clamping block is provided with a second clamping groove, one end of the L-shaped clamping block away from the second clamping groove is in clamping connection with the first clamping groove, and the second clamping groove is in clamping connection with the second guide rod.

8. A drilling apparatus for stone working according to claim 4, characterized in that, Two of the sliders are in sliding connection with two first sliding grooves respectively.

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