阅读说明：本技术 一种建筑材料打孔装置 (Building material perforating device ) 是由 聂凤义 李培贞 于 2020-12-15 设计创作，主要内容包括：本发明公开了一种建筑材料打孔装置,属于建筑材料技术领域,包括装置本体,所述装置本体的内部水平安装有两根传动轴,两根传动轴之间的两端部皆连接有履带,装置本体内部左侧的传动轴的一端连接有第三直角齿轮,所述两根所述传动轴的内侧皆焊接有固定板,固定板的内侧皆通过轴承连接有齿轮筒,齿轮筒的内部沿齿轮筒的深度分别设置有第一内齿和第二内齿。本发明利用螺纹套筒与钻头上下移动的过程不仅完成对水泥板打孔,而且实现了对水泥板自动定位夹持和送料与上料的过程,使用方便,同时在打孔的过程中对水泥板钻孔位置处进行冲洗,一方面防止钻孔中灰尘的飞扬,另一方面利用水对水泥板进行冲洗,可以有效防止水泥板的断裂。(The invention discloses a building material punching device, which belongs to the technical field of building materials and comprises a device body, wherein two transmission shafts are horizontally arranged in the device body, two end parts between the two transmission shafts are connected with a crawler belt, one end of the left transmission shaft in the device body is connected with a third right-angle gear, fixing plates are welded on the inner sides of the two transmission shafts, the inner sides of the fixing plates are connected with a gear cylinder through a bearing, and first inner teeth and second inner teeth are respectively arranged in the gear cylinder along the depth of the gear cylinder. The invention not only completes the drilling of the cement board by utilizing the process that the threaded sleeve and the drill bit move up and down, but also realizes the processes of automatic positioning, clamping, feeding and feeding of the cement board, is convenient to use, and simultaneously flushes the drilling position of the cement board in the drilling process, thereby preventing the dust in the drilling from flying, and on the other hand, flushes the cement board by utilizing water, and effectively preventing the fracture of the cement board.)

1. The building material punching device is characterized by comprising a device body (3), wherein two transmission shafts (1) are horizontally arranged inside the device body (3), two ends between the two transmission shafts (1) are connected with tracks (21), two groups of positioning plates (33) are welded on the tracks (21) at equal intervals, one end of the left transmission shaft (1) inside the device body (3) is connected with a third right-angle gear (29), fixing plates are welded on the inner sides of the two transmission shafts (1), the inner sides of the fixing plates are connected with a gear cylinder (13) through bearings, first inner teeth (22) and second inner teeth (24) are respectively arranged inside the gear cylinder (13) along the depth of the gear cylinder (13), and the first inner teeth (22) and the second inner teeth (24) are respectively arranged at positions with the same depth along the gear cylinder (13) in two groups, two first internal tooth (22) and two gear barrel (13) medial surface between second internal tooth (24) all is the smooth surface setting, the degree of depth dislocation distribution along gear barrel (13) between first internal tooth (22) and second internal tooth (24), the inside of gear barrel (13) is connected with pivot (23) and dwang (20) through the bearing respectively, the cover is equipped with second bull gear dish (32) with second internal tooth (24) intermeshing in pivot (23), the cover is equipped with respectively on dwang (20) with first internal tooth (22) intermeshing's first bull gear dish (30) and with second bull gear dish (32) intermeshing's pinion dish (31), the intermediate position department cover of dwang (20) is equipped with drive gear (34), and all sliding connection in both sides has rack (35) about drive gear (34), two rack (35) respectively with the upper and lower both sides intermeshing of drive gear (34), the other ends of the two racks (35) extend to the positions with the same height as the track (21) and are welded with the clamping blocks (2), the outer side face of the gear drum (13) on the left side is provided with teeth, a gear drum (25) is installed inside the device body (3) at the position of the gear drum (13), one end of the gear drum (25) is connected with a connecting rod (26), the other end of the connecting rod (26) is connected with a first right-angle gear (27), worms (8) are transversely installed on the left and right sides of the top end inside the device body (3), a forward and reverse rotating motor (5) is installed on the outer side of the device body (3) at one end of each worm (8), the output end of the forward and reverse rotating motor (5) is connected with each worm (8), a fixing plate (6) is transversely welded on the front and back inside the device body (3) below the middle position of each worm (8) in, and one end of the connecting shaft (39) is connected with a first turbine (7) which is meshed with the worm (8), the bottom of the connecting shaft (39) is welded with a threaded sleeve rod (38), the inside of the position of the threaded sleeve rod (38) is sleeved with a threaded sleeve (37) through threads, the outer side of the threaded sleeve (37) is sleeved with a limiting cylinder (4), the end part of the limiting cylinder (4) is welded with the bottom of the fixing plate (6), the outer side of the top of the threaded sleeve (37) is provided with outer teeth (40) which are matched with the inner threads of the limiting cylinder (4), the bottom of the threaded sleeve (37) is provided with a drill bit (42), the bottom of the outer side of the threaded sleeve (37) is connected with a square lower pressing plate (41) which extends from front to back through a bearing, the bottoms of the front end and the back end of the lower pressing plate (41) are both welded with lower pressing rods (43), the input end of the spray head (36) is connected with a hose (11), a second turbine (9) meshed with the worm (8) is installed at the position of the worm (8) right above the right transmission shaft (1) in the device body (3), the bottom of the worm (8) is connected with a transmission rod (10) through a single bearing (44), the bottom end of the transmission rod (10) is connected with a first right-angle gear (28) meshed with a first right-angle gear (27) and a third right-angle gear (29), a hydraulic cylinder (16) is fixed at the inner end of the device body (3) right below the limiting cylinder (4), a piston plate (17) is connected in the hydraulic cylinder (16) in a sliding manner, the top of the piston plate (17) is connected with the other end of a lower pressure rod (43), and the bottoms of two sides of the hydraulic cylinder (16) are respectively connected with a connecting pipe (19) and a water inlet pipe (14), the other end of the connecting pipe (19) extends to the upper part of the crawler belt (21) and is connected with the other end of the hose (11).

2. The perforating device for building materials as claimed in claim 1, characterized in that the bottom of the device body (3) on one side of the hydraulic cylinder (16) is provided with a drainage outlet.

3. The perforating device for building materials as claimed in claim 1, characterized in that the left and right sides of the device body (3) at the position of the caterpillar (21) are respectively provided with a feeding hole and a discharging hole (12).

4. A perforating device for construction materials as claimed in claim 1, characterized in that a second one-way valve (18) and a first one-way valve (15) are mounted on the connecting tube (19) and the inlet tube (14), respectively.

5. A perforating device for building materials as claimed in claim 1, characterized in that the distance between two of the hold-down bars (43) is greater than the distance between two of the clamping blocks (2).

Technical Field

The invention relates to the technical field of building materials, in particular to a building material punching device.

Background

Building materials, materials used in buildings, are collectively referred to as building materials. The novel building materials have a wide range, and include heat insulation materials, high-strength materials, breathable materials and the like. The building materials are a general term for materials used in civil engineering and construction work.

But at the in-process that carries out the drilling to the cement board, can't make the process that reciprocates at the drill bit can not only accomplish to punch to the cement board, and realize the process to cement board automatic positioning centre gripping and pay-off and material loading, it is inconvenient to use, all wash cement board drilling position department through external water source and through water pump with water input shower nozzle at the in-process that punches simultaneously, can't realize utilizing the removal of drill bit self to extrude water at the in-process that the drill bit drilled downwards, thereby wash cement board drilling position department, it is inconvenient to use.

Disclosure of Invention

1. Technical problem to be solved

The invention aims to solve the technical problem of providing a building material punching device, which not only completes the punching of a cement board by utilizing the process of up-and-down movement of a threaded sleeve and a drill bit, but also realizes the processes of automatic positioning, clamping, feeding and loading of the cement board, is convenient to use, and can effectively prevent the fracture of the cement board by flushing the drilling position of the cement board by utilizing water due to the strong toughness of the cement board.

2. Technical scheme

In order to solve the problems, the invention adopts the following technical scheme:

a building material perforating device comprises a device body, wherein two transmission shafts are horizontally arranged inside the device body, two ends between the two transmission shafts are connected with tracks, two groups of positioning plates are welded on the tracks at equal intervals, one end of the left transmission shaft inside the device body is connected with a third right-angle gear, two fixing plates are welded on the inner sides of the transmission shafts, the inner sides of the fixing plates are connected with a gear cylinder through bearings, first inner teeth and second inner teeth are respectively arranged inside the gear cylinder along the depth of the gear cylinder, two groups of first inner teeth and two groups of second inner teeth are arranged at positions with the same depth along the gear cylinder, the inner side surfaces of the two gear cylinders between the first inner teeth and the two second inner teeth are both smooth surfaces, the depth of the gear cylinder between the first inner teeth and the second inner teeth is distributed in a staggered manner, and the inside of the gear cylinder is respectively connected with a rotating shaft and a rotating rod through bearings, the device is characterized in that a second large gear plate meshed with second inner teeth is sleeved on the rotating shaft, a first large gear plate meshed with the first inner teeth and a small gear plate meshed with the second large gear plate are sleeved on the rotating rod respectively, a transmission gear is sleeved at the middle position of the rotating rod, racks are slidably connected to the upper side and the lower side of the transmission gear respectively, the racks are meshed with the upper side and the lower side of the transmission gear respectively, the other ends of the racks extend to the positions with the tracks and the like and are welded with clamping blocks, teeth are arranged on the outer side surface of the gear cylinder at the left side, the gear cylinder is arranged inside the device body at the position of the gear cylinder, one end of the gear cylinder is connected with a connecting rod, the other end of the connecting rod is connected with a first right-angle gear, a worm is transversely arranged on the left side and the right side of the top inside, the output end of the positive and negative rotation motor is connected with the worm, a fixed plate is transversely welded in the front and back of the interior of the device body below the middle position of the worm, a connecting shaft is vertically installed at the middle position of the fixed plate, one end of the connecting shaft is connected with a first turbine which is meshed with the worm, a threaded sleeve is welded at the bottom end of the connecting shaft, a threaded sleeve is sleeved in the position of the threaded sleeve through threads, a limiting cylinder is sleeved outside the threaded sleeve, the end part of the limiting cylinder is welded with the bottom of the fixed plate, external teeth which are matched with the internal threads of the limiting cylinder are arranged outside the top of the threaded sleeve, a drill bit is installed at the bottom end of the threaded sleeve, a square lower pressing plate which extends front and back is connected with the bottom of the outer side of the threaded sleeve through a bearing, and, the left side of holding down plate bottom is connected with the shower nozzle, and the input of shower nozzle is connected with the hose, the worm position department directly over the inside right side transmission shaft of device body installs the second turbine with worm intermeshing, and the bottom of worm is connected with the transfer line through the individual item bearing, the bottom of transfer line is connected with the first right angle gear with first right angle gear and third right angle gear intermeshing, the inside end fixing of device body under the spacing section of thick bamboo has a hydraulic cylinder, and the inside sliding connection of a hydraulic cylinder has a piston plate, the top of piston plate is connected with the other end of depression bar down, the bottom of hydraulic cylinder both sides is connected with connecting pipe and inlet tube respectively, the other end of connecting pipe extends to the top of track and is connected with the other end of hose.

Preferably, the bottom of the device body on one side of the hydraulic cylinder is provided with a water outlet.

Preferably, the left side and the right side of the device body at the crawler belt position are respectively provided with a feeding hole and a discharging hole.

Preferably, a second single valve and a first one-way valve are respectively arranged on the connecting pipe and the water inlet pipe.

Preferably, the distance between the two lower pressing rods is larger than the distance between the two clamping blocks.

3. Advantageous effects

(1) The invention drives the worm to rotate through the positive and negative rotation motor, drives the first turbine to rotate through the mutual meshing between the first turbine and the worm in the rotating process, enables the connecting shaft and the threaded sleeve rod to rotate in the rotating process of the first turbine, enables the threaded sleeve rod to be meshed with the internal thread of the threaded sleeve through the mutual meshing between the threaded sleeve rod and the internal thread, simultaneously utilizes one end of the limiting cylinder to be mutually welded with the fixing plate, enables the external teeth on the outer side of the threaded sleeve to be mutually meshed with the internal thread of the limiting cylinder, guides the threaded sleeve, enables the threaded sleeve rod to drive the threaded sleeve to move downwards along the internal thread of the limiting cylinder and rotate in the rotating process, drills the cement plate through the drill bit, and simultaneously drives the lower pressure rod to descend in the descending process of the threaded sleeve because the lower pressure plate is connected with the threaded sleeve through the bearing in the downward moving process of, and promote the piston board and remove to the bottom of hydraulic pressure section of thick bamboo, with the inside water of hydraulic pressure section of thick bamboo along connecting pipe and hose entering shower nozzle inside and wash drill bit and cement board drilling position department through the shower nozzle, prevent flying upward of dust in the drilling on the one hand, on the other hand because the toughness of cement board is stronger, utilizes water to wash the cement board, can effectively prevent the fracture of cement board, convenient to use.

(2) When a positive and negative rotation motor drives a worm to rotate reversely, a first turbine is driven to rotate reversely, so that a threaded sleeve rises, a second turbine is connected with a transmission rod through a single bearing in the rising process of the threaded sleeve, the transmission rod does not rotate when the worm drives the threaded sleeve to move downwards, the single bearing and the transmission rod are driven to rotate through the second turbine and simultaneously drive a first right-angle gear to rotate when the worm drives the threaded sleeve to move upwards synchronously, and as the third right-angle gear and the first right-angle gear are meshed with each other, the third right-angle gear and the first right-angle gear are driven to rotate in the rotating process of the first right-angle gear, so that a crawler belt is driven to walk in the rotating process of a transmission shaft driven by the third right-angle gear, and a cement plate after punching is blanked along with a discharge hole, and the cement board is replaced to be drilled again, meanwhile, the first right-angle gear drives the gear cylinder to rotate through the connecting rod, and the gear cylinder is meshed with the outer side teeth of the gear cylinder through the gear cylinder, so as to drive the gear cylinder to rotate, the cement board is clamped under the initial state of the clamping block, so that the first large gear disc is contacted and meshed with the first inner teeth, meanwhile, the second large gear disc corresponds to the smooth surface inside the gear cylinder, the first large gear disc is driven to rotate in the rotating process of the gear cylinder, and the rotating rod is driven to rotate, in the rotating process of the rotating rod, the transmission gear sleeved on the rotating rod is meshed with the racks on the upper side and the lower side, so that the two clamping blocks are opened, when the first large gear disc is separated from the first inner teeth, the second large gear disc is butted and meshed with the second inner teeth, so that the second large gear disc is driven to rotate through the second inner teeth in the continuous rotating process of the gear cylinder, and utilize second bull gear dish and pinion dish intermeshing for the pinion dish rotates, drives the dwang and carries out the antiport, and synchronous drive gear carries out the antiport, makes two grip blocks carry out polymerization once more and carries out the centre gripping location to another cement board that needs punch, conveniently carries out automatic centre gripping and location to the cement board.

In conclusion, the invention not only completes the drilling of the cement board by utilizing the process of up-and-down movement of the threaded sleeve and the drill bit, but also realizes the processes of automatic positioning, clamping, feeding and loading of the cement board, is convenient to use, and simultaneously washes the drilling position of the cement board in the drilling process, thereby preventing the dust in the drilling from flying upward on one hand, and on the other hand, because the toughness of the cement board is stronger, the cement board is washed by utilizing water, thus effectively preventing the fracture of the cement board.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a transmission structure of the clamping block of the present invention;

FIG. 3 is a side view of the clamping block of the present invention;

FIG. 4 is a schematic top view of the track of the present invention;

fig. 5 is a schematic view of the structure of the threaded sleeve of the present invention.

Reference numerals: 1. a drive shaft; 2. a clamping block; 3. a device body; 4. a limiting cylinder; 5. a positive and negative rotation motor; 6. a fixing plate; 7. a first turbine; 8. a worm; 9. a second turbine; 10. a transmission rod; 11. a hose; 12. a discharge port; 13. a gear drum; 14. a water inlet pipe; 15. a first check valve; 16. a hydraulic cylinder; 17. a piston plate; 18. a second single-phase valve; 19. a connecting pipe; 20. rotating the rod; 21. a crawler belt; 22. a first internal tooth; 23. a rotating shaft; 24. a second internal tooth; 25. a gear drum; 26. a connecting rod; 27. a first right angle gear; 28. a first right angle gear; 29. a third right angle gear; 30. a first large gear plate; 31. a pinion gear plate; 32. a second large gear plate; 33. positioning a plate; 34. a transmission gear; 35. a rack; 36. a spray head; 37. a threaded sleeve; 38. a threaded rod; 39. a connecting shaft; 40. an outer tooth; 41. a lower pressing plate; 42. a drill bit; 43. a lower pressure lever; 44. a single bearing.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

The building material perforating device shown in fig. 1-5 comprises a device body 3, two transmission shafts 1 are horizontally arranged inside the device body 3, two ends between the two transmission shafts 1 are connected with tracks 21, two groups of positioning plates 33 are welded on the tracks 21 at equal intervals, one end of the transmission shaft 1 on the left side inside the device body 3 is connected with a third right-angle gear 29, fixing plates are welded on the inner sides of the two transmission shafts 1, the inner sides of the fixing plates are connected with a gear cylinder 13 through bearings, first inner teeth 22 and second inner teeth 24 are respectively arranged inside the gear cylinder 13 along the depth of the gear cylinder 13, two groups of the first inner teeth 22 and the second inner teeth 24 are arranged along the same depth position of the gear cylinder 13, the inner side surfaces of the gear cylinder 13 between the two first inner teeth 22 and the two second inner teeth 24 are both smooth surfaces, and the first inner teeth 22 and the second inner teeth 24 are distributed along the depth of the gear cylinder 13 in a staggered, the inside of the gear cylinder 13 is respectively connected with a rotating shaft 23 and a rotating rod 20 through bearings, the rotating shaft 23 is sleeved with a second large gear plate 32 which is meshed with the second internal teeth 24, the rotating rod 20 is respectively sleeved with a first large gear plate 30 which is meshed with the first internal teeth 22 and a small gear plate 31 which is meshed with the second large gear plate 32, the middle position of the rotating rod 20 is sleeved with a transmission gear 34, the upper side and the lower side of the transmission gear 34 are both connected with racks 35 in a sliding manner, the two racks 35 are respectively meshed with the upper side and the lower side of the transmission gear 34, the other ends of the two racks 35 extend to the same height position of the crawler belt 21 and are welded with clamping blocks 2, the outer side surface of the left gear cylinder 13 is provided with teeth, the gear cylinder 25 is installed inside the device body 3 at the position of the gear cylinder 13, one end of the gear cylinder 25 is connected with, the top end inside the device body 3 is transversely provided with a worm 8 from left to right, the outer side of the device body 3 at one end of the worm 8 is provided with a forward and reverse rotation motor 5, the output end of the forward and reverse rotation motor 5 is connected with the worm 8, the device body 3 below the middle position of the worm 8 is transversely welded with a fixing plate 6 from front to back, the middle position of the fixing plate 6 is vertically provided with a connecting shaft 39, one end of the connecting shaft 39 is connected with a first turbine 7 which is meshed with the worm 8, the bottom end of the connecting shaft 39 is welded with a threaded sleeve rod 38, the inside of the threaded sleeve rod 38 is sleeved with a threaded sleeve 37 through threads, the outer side of the threaded sleeve 37 is sleeved with a limiting cylinder 4, the end part of the limiting cylinder 4 is welded with the bottom of the fixing plate 6, the outer side of the top of the threaded sleeve, the bottom of the outer side of the threaded sleeve 37 is connected with a square lower pressing plate 41 extending forwards and backwards through a bearing, the bottoms of the front end and the rear end of the lower pressing plate 41 are welded with lower pressing rods 43, the left side of the bottom of the lower pressing plate 41 is connected with a spray head 36, the input end of the spray head 36 is connected with a hose 11, a second turbine 9 meshed with the worm 8 is installed at the position of the worm 8 right above the right transmission shaft 1 in the device body 3, the bottom of the worm 8 is connected with a transmission rod 10 through a single bearing 44, the bottom end of the transmission rod 10 is connected with a first right-angle gear 28 meshed with a first right-angle gear 27 and a third right-angle gear 29, a hydraulic cylinder 16 is fixed at the inner end part of the device body 3 right below the limiting cylinder 4, a piston plate 17 is connected in the hydraulic cylinder 16 in a sliding manner, the top of the piston plate 17 is connected with the other end of, the other end of the connecting pipe 19 extends to the upper part of the crawler 21 and is connected with the other end of the hose 11, a water outlet is arranged at the bottom of the device body 3 on one side of the hydraulic cylinder 16, a feed inlet and a discharge outlet 12 are respectively arranged at the left side and the right side of the device body 3 at the position of the crawler 21, a second single valve 18 and a first one-way valve 15 are respectively arranged on the connecting pipe 19 and the water inlet pipe 14, and the distance between the two lower pressing rods 43 is greater than the distance between the two clamping blocks 2.

The concrete action principle of the building material perforating device is as follows:

firstly, placing a cement board on the top of a crawler 21, enabling one side of the cement board to be in contact with a positioning plate 33 on the outer surface of the crawler 21, enabling the position, required to be punched, of the cement board to correspond to a drill bit 42, clamping the cement board by a clamping block 2 in an initial state, then providing electric support for a forward and reverse motor 5 through an external power supply, then driving a worm 8 to rotate through the forward and reverse motor 5, driving a first turbine 7 to rotate through mutual meshing between the first turbine 7 and the worm 8 in the rotating process, enabling a connecting shaft 39 and a threaded sleeve rod 38 to rotate in the rotating process of the first turbine 7, enabling the threaded sleeve rod 38 and internal threads of a threaded sleeve 37 to be mutually meshed, meanwhile, mutually welding one end of a limiting cylinder 4 and a fixing plate 6, mutually meshing external teeth 40 on the outer side of the threaded sleeve 37 and threads on the inner side of the limiting cylinder 4, and guiding the threaded sleeve 37, the threaded sleeve rod 38 drives the threaded sleeve 37 to move downwards along the threads on the inner side of the limiting cylinder 4 and rotate in the rotating process, the drill bit 42 is used for drilling the cement board, meanwhile, in the downward movement process of the threaded sleeve 37, the lower pressing plate 41 is connected with the threaded sleeve 37 through the bearing, so that the lower pressing rod 43 is driven to descend in the descending process of the threaded sleeve 37, the piston plate 17 is pushed to move towards the bottom of the hydraulic cylinder 16, water in the hydraulic cylinder 16 enters the spray head 36 along the connecting pipe 19 and the hose 11 and washes the drill bit 42 and the drilling position of the cement board through the spray head 36, on one hand, dust in the drilling process is prevented from flying upwards, on the other hand, due to the strong toughness of the cement board, the cement board is washed by water, the fracture of the cement board can be effectively prevented, the use is convenient, and simultaneously, in the process that the lower pressing rod 43 and the piston plate 17 are driven to ascend, the water in the water tank enters the interior of the hydraulic cylinder 16 through the external water tank along with the water inlet pipe 14 for supplementing, simultaneously, when the positive and negative rotation motor 5 drives the worm 8 to rotate reversely, the first turbine 7 is driven to rotate reversely, so that the threaded sleeve 37 ascends, in the process of ascending the threaded sleeve 37, the second turbine 9 is connected with the transmission rod 10 through the single-phase bearing 44, the transmission rod 10 does not rotate when the worm 8 drives the threaded sleeve 37 to move downwards, in the process of synchronously driving the threaded sleeve 37 to move upwards through the worm 8, the single-phase bearing 44 is driven to rotate with the transmission rod 10 through the second turbine 9, and simultaneously, the first right-angle gear 28 is driven to rotate, because the third right-angle gear 29 and the first right-angle gear 27 are meshed with the first right-angle gear 28, the third right-angle gear 29 and the first right-angle gear 27 are driven to rotate in the process of rotating the first right-angle gear, so that the third right-angle gear 29 drives the driving caterpillar 21 to travel in the process of rotating the transmission shaft 1, cement boards after punching are discharged along with the discharge port 12, the cement boards are replaced and drilled again, meanwhile, the first right-angle gear 27 drives the gear drum 25 to rotate through the connecting rod 26, and is meshed with the outer side teeth of the gear drum 13 through the gear drum 25, so as to drive the gear drum 13 to rotate, because the cement boards are clamped under the initial state of the clamping block 2, the first large gear disc 30 is contacted and meshed with the first inner teeth 22, meanwhile, the second large gear disc 32 corresponds to the inner smooth surface of the gear drum 13, the first large gear disc 30 is driven to rotate in the process of rotating the gear drum 13, and the rotating rod 20 is driven to rotate, and in the process of rotating the rotating rod 20, because the transmission gear 34 sleeved on the rotating rod 20 is meshed with the racks 35 at the upper and lower sides, so that the two clamping blocks 2 are opened, when the first large gear disc 30 and the first internal teeth 22 are separated from each other, the second large gear disc 32 and the second internal teeth 24 are butted and meshed with each other, so that the second large gear plate 32 is driven to rotate by the second internal teeth 24 during the continued rotation of the gear drum 13, and the second large gear plate 32 is engaged with the small gear plate 31, so that the small gear plate 31 rotates to drive the rotating rod 20 to rotate reversely, synchronously drive the transmission gear 34 to rotate reversely, so that the two clamping blocks 2 are polymerized again to clamp and position another cement board to be punched, thereby facilitating the automatic clamping and positioning of the cement board, completing the punching of the cement board in the process of the up-and-down movement of the drill 42, and the process of automatically positioning, clamping, feeding and loading the cement board is realized, and the use is convenient.

According to the invention, the process of moving the threaded sleeve 37 and the drill bit 42 up and down is utilized to complete the drilling of the cement board, the automatic positioning, clamping, feeding and loading processes of the cement board are realized, the use is convenient, and meanwhile, the drilling position of the cement board is washed in the drilling process, so that on one hand, dust in the drilled hole is prevented from flying, and on the other hand, the cement board is washed by water due to the strong toughness of the cement board, so that the fracture of the cement board can be effectively prevented.

It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.