A marble automatic drilling machine

Abstract

The present invention belongs to the field of stone processing technology, specifically a marble automatic drilling machine, comprising a workbench; the top of the workbench is slidably connected to a movable frame at both sides; a support plate is slidably connected between the movable frames near the top, and the support plate is controlled to rise and fall by a hydraulic cylinder; a pair of symmetrically arranged movable seats are slidably connected on the surface of the support plate; a double-thread screw is commonly threadedly connected between the movable seats; a driving cylinder is fixedly connected to the surface of the movable seat; a sleeve is rotatably connected to the inside of the driving cylinder; a drilling rig is rotatably connected to the inside of the sleeve; a drill bit is installed at the bottom of the drilling rig, and the drilling rig is driven to deflect in the sleeve by an electric push rod, a connecting frame and a telescopic rod, and then the sleeve is used to rotate the drilling rig and its bottom drill bit, thereby milling an annular groove at the bottom of the drilled hole, thereby making the diameter of the bottom of the hole larger than the diameter of the hole mouth, thereby facilitating the installation of expansion bolts.

Description

Technical Field

[0001] The invention belongs to the technical field of stone processing, in particular to an automatic marble drilling machine. Background Art

[0002] Marble is a metamorphic rock mainly composed of carbonate minerals such as calcite and dolomite. Its formation process is that limestone or dolomite undergoes metamorphism under high temperature and high pressure, and forms a dense crystal structure after recrystallization. It often contains impurity minerals such as quartz and mica, giving it a variety of colors and textures. Some buildings also use marble slabs as decorative exterior walls. When marble is used as a decorative exterior wall, it is often installed by dry hanging method. For this reason, it is necessary to drill holes in the surface of the marble to install expansion screws and stainless steel hangers.

[0003] The marble automatic drilling machine in the existing technology mostly uses a power source such as a hydraulic rod or an electric push rod to drive the drill to rise and fall vertically, so that the drill bit at the bottom of the drill can complete the contact with the marble slab, drilling and extraction. The drill rig is generally provided with a pair of drills, which can facilitate workers to drill multiple pairs of required expansion bolt installation holes on the surface of the marble slab.

[0004] In the prior art, the movement of the drilling rig is straight up and down, so the hole drilled by the drill bit at the bottom is also of equal diameter at the top and bottom. However, some expansion bolts are fixed by the expansion of their bottom. At this time, the equal diameter drilling holes are not conducive to the installation of such expansion bolts.

[0005] Therefore, the present invention provides a kind of marble automatic drilling machine. Summary of the Invention

[0006] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0007] The technical solution adopted by the present invention to solve its technical problem is as follows: the present invention is an automatic marble drilling machine, comprising a workbench; the top of the workbench is slidably connected to a movable frame at both sides, and the two movable frames are driven by a servo motor; a support plate is slidably connected between the movable frames near the top, and the support plate is controlled to rise and fall by a hydraulic cylinder; a pair of symmetrically arranged movable seats are slidably connected to the surface of the support plate; a double-thread screw is commonly threadedly connected between the movable seats; a driving cylinder is fixedly connected to the surface of the movable seat; a sleeve is rotatably connected to the interior of the driving cylinder, and the sleeve The cylinder is driven by servo motor 2; the internal rotation of the sleeve is connected to the drill rig; a drill bit is installed at the bottom of the drill rig, and the diameter of the bottom of the drill bit is larger than the diameter of its top; the top surface of the drill rig is fixedly connected to a telescopic rod; the top of the telescopic rod is rotatably connected to a connecting frame, and the connecting frame is L-shaped; a support frame is provided on the top of the movable seat; the support frame is L-shaped and includes a horizontal part and a vertical part; the vertical part of the support frame is fixedly connected to the top surface of the movable seat; the bottom surface of the horizontal part of the support frame is rotatably equipped with an electric push rod; the telescopic end of the electric push rod is fixedly connected to the end of the connecting frame away from the telescopic rod.

[0008] Preferably, the bottom of the sleeve extends to the outside of the driving cylinder, and the diameter of the bottom of the sleeve is smaller than the diameter of its top; a one-way bearing is fixedly connected to the inner wall of the sleeve; a nozzle is fixedly connected to the inner side of the one-way bearing; a slip ring is provided on the side of the nozzle away from the drill bit, and the nozzle and the slip ring are connected by an air duct; a casing is slidably connected to the outer side of the slip ring; the casing is fixedly connected to the movable seat, and a sealing ring is provided between the casing and the slip ring; an air duct is provided on the inner wall of the slip ring, and the air duct is connected to the nozzle through the air duct; an annular groove is provided on the inner wall of the casing near the top, and the annular groove is connected to the end of the air duct away from the nozzle; the annular groove is connected to an external air pump through a conduit.

[0009] Preferably, the outer wall of the sleeve is slidably connected to a cover shell; the diameter of the bottom of the cover shell is larger than the diameter of the top thereof; a suction pipe is fixedly connected to one side of the cover shell; the suction pipe is connected to the inside of the cover shell, and the suction pipe is connected to an external exhaust fan.

[0010] Preferably, a spring is fixedly connected between the top surface of the cover shell and the movable seat; and a rubber ring is fixedly connected to the bottom surface of the cover shell.

[0011] Preferably, the top surface of the workbench is fixedly connected to a hydraulic rod 1 on both sides of the movable frame; the telescopic ends of the two hydraulic rods 1 are fixedly connected to a connecting seat; the internal rotation of the connecting seat is connected to a double-thread screw 2; both ends of the double-thread screw 2 are threadedly connected to a splint, and the splint is L-shaped; a pair of sliding rods are slidably connected between the paired splints, and the middle part of the sliding rod is fixed to the connecting seat.

[0012] Preferably, the connecting seat is a hollow structure; the surface of the double-tooth screw rod 2 is fixedly connected to a bevel gear 1 at the middle position; the top surface of the connecting seat is rotatably connected to a handle; the bottom surface of the handle is fixedly connected to a bevel gear 2, and the bevel gear 2 is meshed with the bevel gear 1; the side of the connecting seat away from the hydraulic rod 1 is rotatably connected to a transmission rod; the end of the transmission rod close to the double-tooth screw rod 2 is fixedly connected to a bevel gear 3, and the bevel gear 3 is meshed with the bevel gear 1; a slot is provided at the end of the transmission rod away from the bevel gear 3, and the slot is rectangular; a connecting rod is provided on the top of the connecting seat; both ends of the connecting rod are fixedly connected to limit blocks, and the limit blocks are adapted to the slots.

[0013] Preferably, a placement groove is provided on the top surface of one of the connecting seats; a magnet plate is embedded in the bottom of the placement groove; and the connecting rod is made of magnetizable metal.

[0014] Preferably, a plurality of evenly arranged mounting grooves are provided on the top surface of the workbench; the mounting grooves are arranged in strips and are parallel to the two movable frames; a plurality of evenly arranged rollers are rotatably connected in the mounting grooves, and the rollers are driven by servo motor three.

[0015] Preferably, the workbench is provided with a hollow structure; two pairs of symmetrically arranged ejection holes are provided on the top surface of the workbench; ejector rods are provided at positions corresponding to the paired ejection holes inside the workbench, and the ejector rods are U-shaped; two hydraulic rods are fixedly connected to the bottom surface of the ejector rods, and the two hydraulic rods are fixedly connected to the inside of the workbench; a receiving plate is commonly fixedly connected to the top surfaces of the two ejector rods; a clearance groove is provided on the surface of the receiving plate at a position corresponding to the mounting groove, and the clearance groove passes through the receiving plate.

[0016] Preferably, a strip plate is provided on the top surface of the receiving plate; a slot is provided on the receiving surface at a position corresponding to the strip plate; the strip plate is slidably connected to the slot, and the strip plate and the slot are fixedly connected by bolts.

[0017] The beneficial effects of the present invention are as follows:

[0018] 1. The automatic marble drilling machine described in the present invention drives the drill to deflect within a sleeve through an electric push rod, a connecting frame, and a telescopic rod. The sleeve then drives the drill and its bottom drill bit to rotate, thereby milling an annular groove at the bottom of the drilled hole. This makes the diameter of the hole bottom larger than the diameter of the hole opening, thereby facilitating the installation of expansion bolts.

[0019] 2. The automatic marble drilling machine described in the present invention introduces gas into the interior of the nozzle through an air guide pipe, and then the nozzle sprays gas toward the drilled area, so that the drilled marble powder in the hole can be blown out, thereby facilitating the subsequent installation of expansion bolts. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below with reference to the accompanying drawings.

[0021] Figure 1 It is a cross-sectional view of a hole drilled on the surface of a marble slab;

[0022] Figure 2 is a perspective view of the present invention;

[0023] Figure 3 It is a structural schematic diagram of the driving cylinder in the present invention;

[0024] Figure 4 is a cross-sectional view of the cover shell of the present invention;

[0025] Figure 5 is a cross-sectional view of the sleeve in the present invention;

[0026] Figure 6 It is a structural schematic diagram of the roller in the present invention;

[0027] Figure 7 It is a structural schematic diagram of the splint in the present invention;

[0028] Figure 8 is a cross-sectional view of the connecting seat in the present invention;

[0029] Figure 9 It is a structural schematic diagram of the ejector rod in the present invention;

[0030] Figure 10 It is a structural schematic diagram of the strip plate in the present invention;

[0031] In the figure: 1. Workbench; 2. Moving frame; 3. Support plate; 4. Moving seat; 5. Double-thread screw (1); 6. Drive cylinder; 7. Sleeve; 8. Drill; 9. Drill bit; 10. Telescopic rod; 11. Connecting frame; 12. Support frame; 13. Electric push rod; 14. One-way bearing; 15. Nozzle; 16. Slip ring; 17. Casing; 18. Airway; 19. Annular groove; 20. Cover; 21. Suction pipe; 22. Spring; 23. Rubber ring; 24. Hydraulic rod (1); 2 5. Connecting seat; 26. Double-thread screw rod 2; 27. Clamping plate; 28. Sliding rod; 29. ​​Bevel gear 1; 30. Handle; 31. Bevel gear 2; 32. Transmission rod; 33. Bevel gear 3; 34. Slot; 35. Connecting rod; 36. Limit block; 37. Placement slot; 38. Magnet plate; 39. Mounting slot; 40. Roller; 41. Ejection hole; 42. Ejector rod; 43. Hydraulic rod 2; 44. Attachment plate; 45. Make way slot; 46. Strip plate; 47. Card slot. DETAILED DESCRIPTION

[0032] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0033] like Figures 1 to 3As shown, an automatic marble drilling machine according to an embodiment of the present invention comprises a workbench 1; the workbench 1 is slidably connected to movable frames 2 at both sides, and the two movable frames 2 are driven by a servo motor 1; a support plate 3 is slidably connected between the movable frames 2 near the top, and the support plate 3 is controlled to rise and fall by a hydraulic cylinder; a pair of symmetrically arranged movable seats 4 are slidably connected to the surface of the support plate 3; a double-thread screw 5 is commonly threadedly connected between the movable seats 4; a driving cylinder 6 is fixedly connected to the surface of the movable seat 4; a sleeve 7 is rotatably connected to the interior of the driving cylinder 6, and the sleeve 7 is driven by a servo motor 2; the sleeve 7 The interior of the drill rig 8 is rotatably connected to the drill rig 8; a drill bit 9 is installed at the bottom of the drill rig 8, and the diameter of the bottom of the drill bit 9 is larger than the diameter of its top; a telescopic rod 10 is fixedly connected to the top surface of the drill rig 8; the top of the telescopic rod 10 is rotatably connected to a connecting frame 11, and the connecting frame 11 is L-shaped; a support frame 12 is provided on the top of the mobile seat 4; the support frame 12 is L-shaped and includes a horizontal portion and a vertical portion; the vertical portion of the support frame 12 is fixedly connected to the top surface of the mobile seat 4; an electric push rod 13 is rotatably provided on the bottom surface of the horizontal portion of the support frame 12; the telescopic end of the electric push rod 13 is fixedly connected to the end of the connecting frame 11 away from the telescopic rod 10;During operation, when it is necessary to drill a hole with a bottom diameter larger than the hole opening on the surface of a marble slab, the embodiment of the present invention can be used. First, the user needs to place the marble slab to be drilled on the bottom of the mobile frame 2, and then the drilling rig 8 drives the drill bit 9 at the bottom thereof to rotate. Subsequently, the hydraulic cylinder drives the support plate 3 and the mobile seat 4 on its surface, the drilling rig 8 and the drill bit 9 to descend, and makes the rotating drill bit 9 contact the surface of the marble slab to be drilled. At this time, the drill bit 9 will drill a hole with equal diameters at the top and bottom, and then the top electric push rod 13 is started and pushed. The connecting frame 11 is moved toward the outside of the sleeve 7. During the process, the connecting frame 11 will extend the telescopic rod 10 and the top of the drill rig 8, so that the telescopic rod 10 is stretched and the drill rig 8 is tilted. Since the diameter of the bottom of the drill bit 9 is larger than its top diameter, the bottom of the drill bit 9 can contact the side wall of the bottom of the drill hole, but the top of the drill bit 9 cannot contact the side wall of the top of the drill hole. At this time, the servo motor 2 drives the sleeve 7 to rotate, and the sleeve 7 drives the drill rig 8 to rotate. At this time, the tilted drill bit 9 will be at the bottom of the drill hole. Drill a hole with a larger diameter, then the electric push rod 13 is reset and pulls the connecting frame 11, which in turn pushes the telescopic rod 10 and the drill rig 8, and finally rotates the drill rig 8 to a vertical state again, and then the hydraulic cylinder drives the support plate 3, the drill rig 8 and the drill bit 9 to lift, so that the drill bit 9 is separated from the drilled hole, and then the servo motor drives the mobile frame 2 to move to both sides of the marble slab, and repeats the above-mentioned drilling process, so that the mounting holes suitable for expansion bolts can be drilled on the surface of the marble slab. At the same time, the user can also rotate The double-thread screw 5 is used to adjust the distance between the two movable seats 4, and thus the distance between the two drill bits 9, thereby adjusting the position of the hole drilled on the marble slab surface to adapt to the user's different drilling needs. The electric push rod 13, connecting frame 11 and telescopic rod 10 drive the drill rig 8 to deflect within the sleeve 7. The sleeve 7 then rotates the drill rig 8 and its bottom drill bit 9, milling an annular groove at the bottom of the drilled hole, thereby making the diameter of the hole bottom larger than the diameter of the hole opening, thereby facilitating the installation of expansion bolts.

[0034] like Figures 3 to 5As shown, the bottom of the sleeve 7 extends to the outside of the driving cylinder 6, and the diameter of the bottom of the sleeve 7 is smaller than the diameter of its top; the inner wall of the sleeve 7 is fixedly connected to a one-way bearing 14; the inner side of the one-way bearing 14 is fixedly connected to a nozzle 15; a slip ring 16 is provided on the side of the nozzle 15 away from the drill bit 9, and the nozzle 15 and the slip ring 16 are connected by an air guide tube; a sleeve 17 is slidably connected to the outer side of the slip ring 16; the sleeve 17 is fixedly connected to the movable seat 4, and the sleeve 17 is fixedly connected to the slip ring 1 6; an air passage 18 is provided on the inner wall of the slip ring 16, and the air passage 18 is communicated with the nozzle 15 through an air guide tube; an annular groove 19 is provided on the inner wall of the sleeve 17 near the top, and the annular groove 19 is communicated with the end of the air passage 18 away from the nozzle 15; the annular groove 19 is connected to an external air pump through a conduit; when working, when the sleeve 7 drives the drill rig 8 and the drill bit 9 to complete the expansion of the bottom of the borehole, the rotation direction of the sleeve 7 is the positive direction, at this time the one-way bearing 1 4 is consistent with the rotation direction of the sleeve 7, so the inner and outer sides of the one-way bearing 14 can rotate relative to each other, so the nozzle 15 fixed to the inner side of the one-way bearing 14 will not rotate. When the hole bottom is expanded, the drilling rig 8 is driven by the electric push rod 13, the connecting frame 11 and the telescopic rod 10 to restore the vertical state. At this time, the sleeve 7 will be reversed. At this time, the rotatable direction of the one-way bearing 14 is inconsistent with the rotation direction of the sleeve 7. The inner and outer sides of the one-way bearing 14 will rotate synchronously. Therefore, the sleeve 7 will drive the nozzle 15 to rotate through the one-way bearing 14. During this process, the external air pump will introduce gas into the annular groove 19 on the inner wall of the sleeve 17 through the conduit, and the gas will enter the air duct 18 inside the slide groove through the annular groove 19, and finally be introduced into the nozzle 15 through the air guide pipe by the air duct 18. Then the nozzle 15 will spray the gas to the drilled area, so that the marble powder drilled in the hole can be blown out, thereby facilitating the subsequent installation of the expansion bolts.

[0035] like Figures 2 to 3 As shown, the outer wall of the sleeve 17 is slidably connected to a cover shell 20; the diameter of the bottom of the cover shell 20 is larger than the diameter of the top thereof; a suction pipe 21 is fixedly connected to one side of the cover shell 20; the suction pipe 21 is communicated with the interior of the cover shell 20, and the suction pipe 21 is connected to an external exhaust fan; during operation, when the hydraulic cylinder drives the support plate 3 to descend and the drill bit 9 is just located on the surface of the marble slab, the cover shell 20 of the outer wall of the sleeve 17 covers the surface of the marble slab. After that, when the drill bit 9 continues to descend, the sleeve 17 and the cover shell 20 will slide relative to each other, but the cover shell 20 will always cover the surface of the marble slab. After that, when the drilling is completed and the nozzle 15 is used to blow air to clean the area, the cover shell 20 will always cover the location of the drill hole, thereby preventing marble powder from escaping during drilling and drilling cleaning, and cooperating with the suction pipe 21 to suck the inside of the cover shell 20, thereby extracting the marble powder, thereby preventing the marble powder from being inhaled by the user and causing harm to the user's body.

[0036] like Figure 3 As shown, a spring 22 is fixedly connected between the top surface of the cover shell 20 and the movable seat 4; a rubber ring 23 is fixedly connected to the bottom surface of the cover shell 20; during operation, when the cover shell 20 is pressed against the surface of the marble slab, the rubber ring 23 at the bottom of the cover shell 20 will contact the marble slab, and the spring 22 will also be compressed at this time, providing continuous downward pressure for the cover shell 20, thereby ensuring that the rubber ring 23 can fit tightly against the surface of the marble slab, thereby ensuring the sealing between the cover shell 20 and the marble slab, thereby reducing the leakage of marble powder.

[0037] like Figure 2 、 Figure 6 and Figure 7 As shown, the top surface of the workbench 1 is fixedly connected to hydraulic rods 24 on both sides of the mobile frame 2; the telescopic ends of the two hydraulic rods 24 are fixedly connected to the connecting seat 25; the internal rotation of the connecting seat 25 is connected to a double-thread screw 26; both ends of the double-thread screw 26 are threadedly connected to a clamping plate 27, and the clamping plate 27 is set in an L shape; a pair of sliding rods 28 are slidably connected between the paired clamping plates 27, and the middle part of the sliding rods 28 is fixed to the connecting seat 25; when working, when the user places the marble slab on the workbench, the user can slide the marble slab to the workbench. After the top surface of the workbench 1 is pressed, the two hydraulic rods 24 will drive the connecting seat 25 to move toward the marble slab. At this time, the clamping plates 27 at both ends of the connecting seat 25 can just clamp the two sides of the marble slab, thereby fixing the marble slab. There is no need for the user to manually hold the marble slab all the time. When facing marbles of different sizes, the user only needs to rotate the double-pressure screw 2, and the clamping plates 27 on both sides will slide forward or backward along the sliding rod 28, thereby adjusting the distance between the two clamping plates 27, so that it can adapt to marble slabs of different sizes.

[0038] like Figures 7 and 8As shown, the connecting seat 25 is a hollow structure; the surface of the double-tooth screw 26 is fixedly connected to a bevel gear 1 29 at the middle position; the top surface of the connecting seat 25 is rotatably connected to a handle 30; the bottom surface of the handle 30 is fixedly connected to a bevel gear 2 31, and the bevel gear 2 31 is meshed with the bevel gear 1 29; the side of the connecting seat 25 away from the hydraulic rod 1 24 is rotatably connected to a transmission rod 32; the end of the transmission rod 32 close to the double-tooth screw 26 is fixedly connected to a bevel gear 33, and the bevel gear 33 is meshed with the bevel gear 1 29; the end of the transmission rod 32 away from the bevel gear 33 is provided with a slot 34, and the slot 34 is rectangular; a connecting rod 35 is provided on the top of the connecting seat 25; both ends of the connecting rod 35 are fixedly connected to a limit block 36, and the limit block 36 is adapted to the slot 34; during operation, when the user needs to adjust the spacing between the two splints 27, the user needs to first move the connecting rod 35 The limit block 36 at one end is inserted into the slot 34 on the surface of one side connecting seat 25, and then the two hydraulic rods 1 24 control the two connecting seats 25 to move closer to each other until the limit block 36 at the other end of the connecting rod 35 is inserted into the slot 34 on the surface of the other side connecting seat 25, thereby connecting rod 35 connects the transmission rod 32 inside the connecting seat 25 together. At this time, the user only needs to turn the handle 30 at one side connecting seat 25, and the handle 30 can drive the double-tooth screw 26 to rotate through the cooperation of bevel gear 2 31 and bevel gear 1 29. At the same time, since the double-tooth screw 26 between the two connecting seats 25 is connected together through bevel gear 3 33, transmission rod 32, slot 34, limit block 36 and connecting rod 35, the double-tooth screw 26 in the connecting seat 25 on the other side will also rotate synchronously, thereby realizing synchronous adjustment of the two pairs of splints 27, thereby reducing the adjustment difficulty for the user and improving the usability of the embodiment of the present invention.

[0039] like Figure 8 As shown, a placement groove 37 is provided on the top surface of one of the connecting seats 25; a magnet plate 38 is embedded in the bottom of the placement groove 37; the connecting rod 35 is made of magnetizable metal; during operation, when the connecting rod 35 is not in use, the user can place the connecting rod 35 in the placement groove 37 on the top surface of the connecting seat 25. Since the connecting rod 35 is made of magnetizable metal, the connecting rod 35 will be attracted by the magnet plate 38 in the placement groove 37, which makes it convenient for the user to store the connecting rod 35 and reduces the risk of losing the connecting rod 35.

[0040] like Figures 1 to 2As shown, the top surface of the workbench 1 is provided with a plurality of evenly arranged mounting grooves 39; the mounting grooves 39 are arranged in a strip shape, and the mounting grooves 39 are parallel to the two movable frames 2; a plurality of evenly arranged rollers 40 are rotatably connected in the mounting grooves 39, and the rollers 40 are driven by servo motor three; during operation, when it is convenient for the user to transport the marble slab, the user places it on one side of the workbench 1, and then the servo motor three drives the rollers 40 to rotate, thereby driving the marble slab on the top surface of the rollers 40 to move to the middle of the workbench 1, making it easier for the user to move the marble slab and reducing the risk of the marble slab being scratched on the surface of the workbench 1.

[0041] like Figure 6 and Figure 9 As shown, the work is a hollow structure; the top surface of the workbench 1 is provided with two pairs of symmetrically arranged ejection holes 41; the inside of the workbench 1 is provided with ejector rods 42 at the corresponding positions of the paired ejection holes 41, and the ejector rods 42 are U-shaped; the bottom surface of the ejector rods 42 is fixedly connected to a hydraulic rod 2 43, and the hydraulic rod 2 43 is fixedly connected to the inside of the workbench 1; the top surfaces of the two ejector rods 42 are commonly fixedly connected to a receiving plate 44; the surface of the receiving plate 44 is provided with a clearance groove 45 at the corresponding position of the mounting groove 39, and the clearance groove 45 passes through the receiving plate 44; when working, When the marble slab moves to the center of the workbench 1, the hydraulic rod 2 43 will push the push rod 42 to rise, and the push rod 42 will push the receiving plate 44 to rise, thereby lifting the marble slab on the roller 40. The larger contact area of ​​the receiving plate 44 can effectively prevent the marble slab from cracking or breaking due to uneven force during the drilling process. When the marble slab is processed, the hydraulic rod 2 43 drives the receiving plate 44 to descend through the push rod 42, and the roller 40 will pass through the clearance groove 45 to contact the marble slab, thereby transporting the processed marble slab away.

[0042] like Figure 6 and Figure 10 As shown, the top surface of the receiving plate 44 is provided with a strip plate 46; the receiving surface is provided with a card slot 47 at the corresponding position of the strip plate 46; the strip plate 46 is slidably connected to the card slot 47, and the strip plate 46 and the card slot 47 are fixedly connected by bolts; during operation, in order to determine the specific position of the marble slab on the receiving plate 44, the user slides the strip plate 46 on the receiving plate 44 to align it with the clamping plate 27 on one side, and then when the marble slab moves to the surface of the receiving plate 44, the marble slab will be blocked by the strip plate 46 and aligned with the clamping plate 27, thereby facilitating the subsequent clamping of the clamping plate 27.

[0043] During operation, when it is necessary to drill a hole with a bottom diameter larger than the hole opening on the surface of a marble slab, the embodiment of the present invention can be used. First, the user needs to place the marble slab to be drilled on the bottom of the mobile frame 2, and then the drilling rig 8 drives the drill bit 9 at the bottom thereof to rotate. Subsequently, the hydraulic cylinder drives the support plate 3 and the mobile seat 4 on its surface, the drilling rig 8 and the drill bit 9 to descend, and makes the rotating drill bit 9 contact the surface of the marble slab to be drilled. At this time, the drill bit 9 will drill a hole with equal diameters at the top and bottom, and then the top electric push rod 13 is started and pushed. The connecting frame 11 is moved toward the outside of the sleeve 7. During the process, the connecting frame 11 will extend the telescopic rod 10 and the top of the drill rig 8, so that the telescopic rod 10 is stretched and the drill rig 8 is tilted. Since the diameter of the bottom of the drill bit 9 is larger than its top diameter, the bottom of the drill bit 9 can contact the side wall of the bottom of the drill hole, but the top of the drill bit 9 cannot contact the side wall of the top of the drill hole. At this time, the servo motor 2 drives the sleeve 7 to rotate, and the sleeve 7 drives the drill rig 8 to rotate. At this time, the tilted drill bit 9 will be at the bottom of the drill hole. Drill a hole with a larger diameter, then the electric push rod 13 is reset and pulls the connecting frame 11, which in turn pushes the telescopic rod 10 and the drill rig 8, and finally rotates the drill rig 8 to a vertical state again, and then the hydraulic cylinder drives the support plate 3, the drill rig 8 and the drill bit 9 to lift, so that the drill bit 9 is separated from the drilled hole, and then the servo motor drives the mobile frame 2 to move to both sides of the marble slab, and repeats the above-mentioned drilling process, so that the mounting holes suitable for expansion bolts can be drilled on the surface of the marble slab. At the same time, the user can also rotate The double-thread screw 5 is moved to adjust the distance between the two movable seats 4, and then the distance between the two drill bits 9 is adjusted, thereby adjusting the position of the hole drilled on the surface of the marble slab to adapt to the different drilling needs of the user. The electric push rod 13, the connecting frame 11 and the telescopic rod 10 drive the drill rig 8 to deflect in the sleeve 7, and then the sleeve 7 is used to rotate the drill rig 8 and its bottom drill bit 9, so that an annular groove is milled at the bottom of the drill hole, thereby making the diameter of the hole bottom larger than the diameter of the hole mouth, thereby facilitating the installation of the expansion bolt.

[0044] When the sleeve 7 drives the drill rig 8 and the drill bit 9 to complete the expansion of the bottom of the drill hole, the rotation direction of the sleeve 7 is the positive direction. At this time, the rotatable direction of the one-way bearing 14 is consistent with the rotation direction of the sleeve 7. Therefore, the inner and outer sides of the one-way bearing 14 can rotate relative to each other, so the nozzle 15 fixed to the inner side of the one-way bearing 14 will not rotate. When the expansion of the bottom of the hole is completed, the drill rig 8 is driven by the electric push rod 13, the connecting frame 11 and the telescopic rod 10 to restore the vertical state. At this time, the sleeve 7 will be reversed. At this time, the rotatable direction of the one-way bearing 14 is consistent with the rotation direction of the sleeve 7. 7 has inconsistent rotation directions, the inner and outer sides of the one-way bearing 14 will rotate synchronously, so the sleeve 7 will drive the nozzle 15 to rotate through the one-way bearing 14. During this process, the external air pump will introduce gas into the annular groove 19 on the inner wall of the sleeve 17 through the conduit, and the gas will enter the air channel 18 inside the slide groove through the annular groove 19, and finally be introduced into the interior of the nozzle 15 through the air guide pipe by the air channel 18. Then the nozzle 15 will spray the gas toward the drilled area, so that the marble powder drilled in the hole can be blown out, thereby facilitating the subsequent installation of the expansion bolts.

[0045] When the hydraulic cylinder drives the support plate 3 to descend and the drill bit 9 is just located on the surface of the marble slab, the cover 20 on the outer wall of the sleeve 17 covers the surface of the marble slab. Then, when the drill bit 9 continues to descend, the sleeve 17 and the cover 20 will slide relative to each other, but the cover 20 will always cover the surface of the marble slab. After the drilling is completed and the nozzle 15 is used to blow air to clean the area, the cover 20 will always cover the location of the drill hole, thereby avoiding the marble powder from escaping during drilling and drilling cleaning, and cooperating with the suction pipe 21 to suck the inside of the cover 20, thereby extracting the marble powder, thereby preventing the marble powder from being inhaled by the user and affecting the user's body.

[0046] When the cover 20 is pressed against the surface of the marble slab, the rubber ring 23 at the bottom of the cover 20 will contact the marble slab. At this time, the spring 22 will also be compressed and provide continuous downward pressure for the cover 20, thereby ensuring that the rubber ring 23 can fit tightly against the surface of the marble slab, thereby ensuring the sealing between the cover 20 and the marble slab, thereby reducing the leakage of marble powder.

[0047] When the user places the marble slab on the top surface of the workbench 1, the two hydraulic rods 24 will drive the connecting seat 25 to move toward the marble slab. At this time, the clamping plates 27 at both ends of the connecting seat 25 can just clamp the two sides of the marble slab, thereby fixing the marble slab. The user does not need to manually hold the marble slab all the time. When facing marbles of different sizes, the user only needs to turn the double-pressure screw 2, and the clamping plates 27 on both sides will slide forward or backward along the sliding rod 28, thereby adjusting the distance between the two clamping plates 27, so that it can adapt to marble slabs of different sizes.

[0048] When the user needs to adjust the distance between the two splints 27, the user needs to first insert the limit block 36 at one end of the connecting rod 35 into the slot 34 on the surface of one side connecting seat 25, and then the two hydraulic rods 1 24 control the two connecting seats 25 to move closer to each other until the limit block 36 at the other end of the connecting rod 35 is inserted into the slot 34 on the surface of the other side connecting seat 25. In this way, the connecting rod 35 connects the transmission rod 32 inside the connecting seat 25 together. At this time, the user only needs to turn the handle 30 at one side connecting seat 25, and the handle 30 can drive the double-tooth screw 26 to rotate through the cooperation of bevel gear 2 31 and bevel gear 1 29. At the same time, since the double-tooth screw 26 between the two connecting seats 25 is connected together through bevel gear 3 33, transmission rod 32, slot 34, limit block 36 and connecting rod 35, the double-tooth screw 26 in the connecting seat 25 on the other side will also rotate synchronously, thereby realizing synchronous adjustment of the two pairs of splints 27, thereby reducing the adjustment difficulty for the user and improving the ease of use of the embodiment of the present invention.

[0049] When the connecting rod 35 is not in use, the user can place the connecting rod 35 into the placement groove 37 on the top surface of the connecting seat 25. Since the connecting rod 35 is made of magnetizable metal, the connecting rod 35 will be adsorbed in the placement groove 37 by the magnetic plate 38, which makes it convenient for the user to store the connecting rod 35 and reduces the risk of losing the connecting rod 35.

[0050] In order to facilitate the user to transport the marble slab, the user places it on one side of the workbench 1, and then the servo motor drives the roller 40 to rotate, thereby driving the marble slab on the top of the roller 40 to move to the middle of the workbench 1, making it easier for the user to move the marble slab and reducing the risk of the marble slab being scratched on the surface of the workbench 1.

[0051] When the marble slab moves to the center of the workbench 1, the hydraulic rod 2 43 will push the push rod 42 to rise, and the push rod 42 will push the receiving plate 44 to rise, thereby lifting the marble slab on the roller 40. The larger contact area of ​​the receiving plate 44 can effectively prevent the marble slab from cracking or breaking due to uneven force during the drilling process. When the marble slab is processed, the hydraulic rod 2 43 drives the receiving plate 44 to descend through the push rod 42, and the roller 40 will pass through the clearance groove 45 to contact the marble slab, thereby transporting the processed marble slab away.

[0052] In order to determine the specific position where the marble slab stops on the receiving plate 44, the user slides the strip plate 46 on the receiving plate 44 to align it with the clamping plate 27 on one side. After that, when the marble slab moves to the surface of the receiving plate 44, the marble slab will be blocked by the strip plate 46 and aligned with the clamping plate 27, thereby facilitating the subsequent clamping of the clamping plate 27.

[0053] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the foregoing embodiments. The foregoing embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A marble automatic drilling machine, characterized by: Material toggling mechanism, its both sides respectively have a cylinder pressure, and the cylinder pressure bar connects swing arm, and the swing arm end face has hook portion, and a bar passes position between the end of two swing arms and the hook portion. The bottom of the sleeve extends to the outside of the driving cylinder, and the diameter of the sleeve bottom is smaller than the diameter of its top; a one-way bearing is fixedly connected to the inner wall of the sleeve; a nozzle is fixedly connected to the inner side of the one-way bearing; a slip ring is provided on the side of the nozzle away from the drill bit, and the nozzle and the slip ring are connected by an air guide tube; a casing is slidably connected to the outer side of the slip ring; the casing is fixedly connected to the movable seat, and a sealing ring is provided between the casing and the slip ring; an air duct is provided on the inner wall of the slip ring, and the air duct is connected to the nozzle through the air guide tube; an annular groove is provided on the inner wall of the casing near the top, and the annular groove is connected to the end of the air duct away from the nozzle; the annular groove is connected to an external air pump through a conduit; The outer wall of the sleeve is slidably connected to a cover; the diameter of the bottom of the cover is larger than the diameter of the top; a suction pipe is fixedly connected to one side of the cover; the suction pipe is communicated with the interior of the cover, and the suction pipe is connected to an external exhaust fan; A spring is fixedly connected between the top surface of the cover shell and the movable seat; and a rubber ring is fixedly connected to the bottom surface of the cover shell.

2. The automatic marble drilling machine according to claim 1, characterized in that: The top surface of the workbench is fixedly connected to a hydraulic rod 1 on both sides of the movable frame; the telescopic ends of the two hydraulic rods 1 are fixedly connected to a connecting seat; the internal rotation of the connecting seat is connected to a double-thread screw 2; both ends of the double-thread screw 2 are threadedly connected to a splint, and the splint is L-shaped; a pair of sliding rods are slidably connected between the paired splints, and the middle part of the sliding rods is fixed to the connecting seat.

3. The automatic marble drilling machine according to claim 2, characterized in that: The connecting seat is a hollow structure; the surface of the double-tooth screw rod 2 is fixedly connected to a bevel gear 1 at the middle position; the top surface of the connecting seat is rotatably connected to a handle; the bottom surface of the handle is fixedly connected to a bevel gear 2, and the bevel gear 2 is meshed with the bevel gear 1; the side of the connecting seat away from the hydraulic rod 1 is rotatably connected to a transmission rod; the end of the transmission rod close to the double-tooth screw rod 2 is fixedly connected to a bevel gear 3, and the bevel gear 3 is meshed with the bevel gear 1; a slot is provided at the end of the transmission rod away from the bevel gear 3, and the slot is rectangular; a connecting rod is provided on the top of the connecting seat; both ends of the connecting rod are fixedly connected to limit blocks, and the limit blocks are adapted to the slots.

4. The automatic marble drilling machine according to claim 3, characterized in that: A placement groove is provided on the top surface of one of the connecting seats; a magnet plate is embedded in the bottom of the placement groove; and the connecting rod is made of magnetizable metal.

5. The automatic marble drilling machine according to claim 1, characterized in that: The top surface of the workbench is provided with a plurality of evenly arranged mounting grooves; the mounting grooves are arranged in strips and are parallel to the two movable frames; a plurality of evenly arranged rollers are rotatably connected in the mounting grooves.

6. The automatic marble drilling machine according to claim 5, characterized in that: The workbench is provided with a hollow structure; two pairs of symmetrically arranged ejection holes are provided on the top surface of the workbench; ejector rods are provided at positions corresponding to the paired ejection holes inside the workbench, and the ejector rods are U-shaped; two hydraulic rods are fixedly connected to the bottom surface of the ejector rods, and the two hydraulic rods are fixedly connected to the inside of the workbench; a connecting plate is commonly fixedly connected to the top surfaces of the two ejector rods; a clearance groove is provided on the surface of the connecting plate at a position corresponding to the mounting groove, and the clearance groove passes through the connecting plate.

7. The automatic marble drilling machine according to claim 6, characterized in that: The top surface of the receiving plate is provided with a strip plate; the receiving surface is provided with a slot at a position corresponding to the strip plate; the strip plate is slidably connected to the slot, and the strip plate and the slot are fixedly connected by bolts.

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