阅读说明：本技术 一种高精度外墙保温板自动开孔机及开孔方法 (High-precision automatic tapping machine and tapping method for external wall insulation board ) 是由 许艾武 于 2021-07-12 设计创作，主要内容包括：本发明涉及一种高精度外墙保温板自动开孔机及开孔方法,包括安装底座、导向装置和钻孔装置,所述的安装底座固定安装在已有升降台上,安装底座的上端设置有导向装置,导向装置的上端设置有钻孔装置,本发明可通过人工方式移动滑动块而改变钻孔装置的位置,人工变换钻孔装置的位置相对机械移动变换来说更加灵活准确,同时可通过齿轮带动L型齿条与齿杆进行啮合,然后通过插销对齿轮进行锁紧而实现对滑动块的锁紧功能,以免滑动块在钻孔装置工作时发生移动而导致钻孔失败。(The invention relates to a high-precision automatic tapping machine for an external wall insulation board and a tapping method, and the automatic tapping machine comprises an installation base, a guide device and a drilling device, wherein the installation base is fixedly installed on an existing lifting table, the guide device is arranged at the upper end of the installation base, and the drilling device is arranged at the upper end of the guide device.)

1. The utility model provides an automatic tapping machine of high accuracy outer wall heated board, includes installation base (1), guider (2) and drilling equipment (3), its characterized in that: the mounting base (1) is fixedly mounted on an existing lifting platform, a guide device (2) is arranged at the upper end of the mounting base (1), and a drilling device (3) is arranged at the upper end of the guide device (2);

the guide device (2) comprises a guide rail groove (20), a sliding block (21), a toothed bar (22), a gear (23), an L-shaped rack (24), a shifting rod (25) and a bolt (26), wherein the guide rail groove (20) is arranged on the upper end surface of the installation base (1), the sliding block (21) is arranged in the guide rail groove (20) in a bilateral symmetry sliding mode, rectangular grooves are symmetrically formed in the front end and the rear end of the guide rail groove (20), the toothed bar (22) is symmetrically arranged at the front end and the rear end of the sliding block (21), the toothed bar (22) is in sliding fit with the inner wall of the rectangular groove, the gear (23) is arranged at the leftmost end of the guide rail groove (20), the L-shaped racks (24) are symmetrically meshed at the left end and the right end of the gear (23), the L-shaped racks (24) are distributed in a staggered mode in the front and rear direction, the horizontal end of the L-shaped racks (24) is spliced by concave-convex fit of a plurality of racks, and convex fit between the horizontal end of the L-concave-convex fit with the inner wall of the lower end of the rectangular groove, the rack bar (22) is positioned between the horizontal ends of the two L-shaped racks (24), the driving lever (25) is installed on the upper end face of the gear (23), the lower end of the driving lever (25) is in running fit with the bottom of the guide rail groove (20), a limiting hole is formed in the edge of the upper end face of the gear (23), a plug pin (26) is inserted into the limiting hole, and the lower end of the plug pin (26) is clamped with the bottom of the guide rail groove (20);

drilling equipment (3) including fixing base (30), bracing piece (31), fixed station (32), cylinder (33), square board (34), motor (35) and drilling head (36), the upper end at sliding block (21) is installed in fixing base (30), the joint groove has been seted up at the upper end middle part of fixing base (30), joint inslot joint has bracing piece (31), fixed station (32) of L type structure are installed to the upper end of bracing piece (31), cylinder (33) are installed to the front end of the vertical end of fixed station (32), square board (34) are installed to the front end of cylinder (33), sliding fit between the lower extreme of square board (34) and the up end of fixed station (32), motor (35) are installed to the front end of square board (34), drilling head (36) are installed to the front end of motor (35).

2. The automatic tapping machine for high-precision external wall insulation boards according to claim 1 is characterized in that: installation base (1) by horizontal bottom plate (11), expansion plate (12), dull and stereotyped (13) and vertical board (14) are constituteed, horizontal bottom plate (11) and the up end contact who has had the elevating platform, both ends rotate expansion plate (12) that are connected with the vertical structure through the round pin axle symmetry about horizontal bottom plate (11), the upper end of expansion plate (12) is rotated through the round pin axle and is connected with dull and stereotyped (13), the one end that expansion plate (12) were kept away from in dull and stereotyped (13) is rotated through the round pin axle and is connected with vertical board (14), the bolt hole has all been seted up to the lateral wall of vertical board (14) and the lateral wall of expansion plate (12).

3. The automatic tapping machine for high-precision external wall insulation boards according to claim 2 is characterized in that: horizontal bottom plate (11) constitute by a plurality of splice plates (110), for recess (11a) and lug (11b) cooperation between adjacent splice plate (110), symmetric distribution around recess (11a) and lug (11b) are, cross recess has been seted up to the lateral wall of lug (11b), cross recess internal clamping has T type pole (11c), the outside of perpendicular groove to splice plate (110) is run through to the one end that lug (11b) were kept away from in T type pole (11c), perpendicular groove is seted up on the lateral wall of splice plate (110).

4. The automatic tapping machine for high-precision external wall insulation boards according to claim 1 is characterized in that: bracing piece (31) be extending structure, the outer wall screw-thread fit of bracing piece (31) has lock sleeve (310), and the through-hole has been seted up to the lower extreme of bracing piece (31), installs locking bolt between the lateral wall of through-hole and fixing base (30).

5. The automatic tapping machine for high-precision external wall insulation boards according to claim 2 is characterized in that: the utility model discloses a fixed station's fixed station, including the upper end of dull and stereotyped (13) have backup pad (131) through the screw mounting, the draw-in groove has been seted up to the medial extremity of backup pad (131) of horizontal floor (11) right-hand member, the concave groove has been seted up to the upper end of backup pad (131) of horizontal floor (11) left end, the joint has graduated rod (132) in the draw-in groove, the outer wall bilateral symmetry sliding connection of graduated rod (132) has L board (133), the lower extreme fixed mounting of L board (133) is on the lateral wall of fixed station (32), the left end of graduated rod (132) is located the concave groove, and the left end joint of graduated rod (132) has opening Contraband type piece (134) down, sliding fit between the front and back both ends of Contraband type piece (134) and the concave groove inner wall, and pass through screw fixed connection between Contraband type piece (134) and backup pad (131).

6. The automatic tapping machine for high-precision external wall insulation boards according to claim 1 is characterized in that: the upper end bilateral symmetry of fixed station (32) install rectangular plate (321), install deflector (322) between two rectangular plate (321), circular through-hole has been seted up at the middle part of deflector (322), normal running fit between the outer wall of drilling head (36) and the circular through-hole.

7. The automatic tapping machine for high-precision external wall insulation boards according to claim 1 is characterized in that: the upper end of the guide plate (322) is provided with a rectangular through groove (323), a convex plate (324) is clamped in the rectangular through groove (323), the lower end of the convex plate (324) is provided with a brush (325), and the lower end of the brush (325) is in contact with the upper end of the drilling head (36).

8. The automatic tapping machine for high-precision external wall insulation boards according to claim 8 is characterized in that: the left end and the right end of the rectangular through groove (323) are symmetrically provided with sliding grooves (326), an inverted L-shaped rod (327) is arranged in the sliding grooves (326), one end, far away from the rectangular through groove (323), of the inverted L-shaped rod (327) is provided with a return spring (328), and one end, far away from the inverted L-shaped rod (327), of the return spring (328) is connected with the inner wall of the sliding grooves (326).

Technical Field

The invention relates to the technical field of external wall insulation boards, in particular to a high-precision automatic tapping machine and a tapping method for an external wall insulation board.

Background

The outer wall heat insulation board, also called a floor line building outer wall decoration integrated board, is compounded by polymer mortar, glass fiber gridding cloth, flame-retardant molding polystyrene foam board (EPS) or extruded sheet (XPS) and other materials, the outer wall heat insulation board is produced in factories and is bonded and constructed on site, which is the preferred material for meeting the energy-saving requirement of the current house buildings and improving the heat-insulating level of the outer walls of industrial and civil buildings, in the process of constructing the external wall insulation board, the surface of the external wall insulation board is often drilled for installation, however, the traditional tapping machine has low automation degree, is basically held by a hand and is always stood on a lifting platform for tapping, the tapping path is easy to deviate due to the vibration of the tapping machine in a manual holding mode, so that a plurality of automatic tapping machines for external wall insulation boards are born, however, most of the existing automatic tapping machines for external wall insulation boards often encounter the following problems when tapping:

1. in the tapping process, most tapping machines mechanically adjust the position of a drilling head, the mechanical adjustment of the position of the drilling head is easy to cause the condition of excessive adjustment, and the loosening condition is easy to occur after the adjustment, so that the accuracy of the tapping machine is reduced;

2. most of current external wall insulation board tapping machines are the snap-on the elevating platform, and be the integrative structure of not being convenient for to accomodate, and can't make correspondingly in time according to the size specification of elevating platform and to the tapping machine highly to be adjusted for this tapping machine only can adapt to the elevating platform of a specification and be under construction, has reduced the practicality of this tapping machine.

Disclosure of Invention

In order to solve the problems, the invention provides a high-precision automatic tapping machine for an external wall insulation board, which comprises an installation base, a guide device and a drilling device, wherein the installation base is fixedly installed on an existing lifting table, the guide device is arranged at the upper end of the installation base, and the drilling device is arranged at the upper end of the guide device.

The guide device comprises a guide rail groove, a sliding block, a toothed bar, a gear, L-shaped racks, a deflector rod and a bolt, wherein the guide rail groove is arranged on the upper end surface of the installation base, the sliding block is symmetrically and slidably arranged in the guide rail groove in a left-right mode, rectangular grooves are symmetrically formed in the front end and the rear end of the guide rail groove, the toothed bar is symmetrically arranged at the front end and the rear end of the sliding block, the toothed bar is in sliding fit with the inner walls of the rectangular grooves, the gear is arranged at the leftmost end of the guide rail groove, the L-shaped racks are symmetrically meshed with the left end and the right end of the gear, the L-shaped racks are distributed in a staggered mode in a front-back mode, the horizontal ends of the L-shaped racks are formed by splicing a plurality of concave-convex matching racks, the horizontal ends of the L-shaped racks are in sliding fit with the inner walls of the lower ends of the rectangular grooves, the toothed bar is positioned between the horizontal ends of the two L-shaped racks, the deflector rod is arranged on the upper end surface of the gear, the lower end surface of the deflector rod is in rotating fit with the bottom of the guide rail groove, and the edge of the gear is provided with a limit hole, spacing downthehole interpolation has the bolt, the joint between the lower extreme of bolt and the bottom in guide rail groove, accessible manual mode removes the sliding block and changes drilling equipment's position, artifical transform drilling equipment's position is nimble more accurate for mechanical movement transform, after the manual work removes the sliding block, the driving lever is stirred to the manual mode of accessible, make the gear rotatory, the gear drives two L type racks and is the motion in opposite directions, move behind the certain distance with the ratch intermeshing with L type rack, insert spacing downthehole with the bolt through artifical mode this moment, thereby can realize carrying out the function of locking to the sliding block, in order to avoid the sliding block to take place to remove and lead to drilling failure at drilling equipment during operation.

The drilling device comprises a fixed seat, a supporting rod, a fixed table, an air cylinder, a square plate, a motor and a drilling head, wherein the fixed seat is arranged at the upper end of a sliding block, a clamping groove is formed in the middle of the upper end of the fixed seat, the supporting rod is clamped in the clamping groove, the fixed table with an L-shaped structure is arranged at the upper end of the supporting rod, the air cylinder is arranged at the front end of the vertical end of the fixed table, the square plate is arranged at the front end of the air cylinder, the lower end of the square plate is in sliding fit with the upper end face of the fixed table, the motor is arranged at the front end of the square plate, the drilling head is arranged at the front end of the motor, after the sliding block is manually adjusted and locked, the motor can drive the drilling head to rotate at a high speed, meanwhile, the square plate and the motor are pushed by the air cylinder, so that the drilling head can also advance while rotating at a high speed, and the function of automatically drilling the external wall insulation board is realized, replace traditional manual work to hold the drilling machine and drilled, can improve the trompil efficiency of this automatic tapping machine through setting up two drill bits to the practicality of this kind of automatic tapping machine has been improved.

As a preferred technical scheme of the invention, the mounting base comprises a horizontal bottom plate, an expansion plate, a flat plate and a vertical plate, wherein the horizontal bottom plate is contacted with the upper end face of the existing lifting platform, the left end and the right end of the horizontal bottom plate are symmetrically and rotatably connected with the expansion plate with a vertical structure through pin shafts, the upper end of the expansion plate is rotatably connected with the flat plate through the pin shafts, one end of the flat plate, far away from the expansion plate, is rotatably connected with the vertical plate through the pin shafts, bolt holes are formed in the side wall of the vertical plate and the side wall of the expansion plate, the mounting base can be conveniently stored through the movable connection mode among the horizontal bottom plate, the expansion plate and the vertical plate, workers can conveniently and timely adjust the height of the automatic tapping machine according to the height of the lifting platform before construction, and tapping work can be smoothly carried out.

As a preferred technical scheme of the invention, the horizontal bottom plate is composed of a plurality of splicing plates, grooves are matched with lugs between adjacent splicing plates, the grooves and the lugs are symmetrically distributed front and back, cross grooves are formed in the side walls of the lugs, T-shaped rods are clamped in the cross grooves, one ends of the T-shaped rods, far away from the lugs, penetrate through vertical grooves to the outer parts of the splicing plates, the vertical grooves are formed in the side walls of the splicing plates, the horizontal bottom plate is set into a detachable splicing structure, workers can conveniently adjust the width of the mounting base according to the width of a lifting platform before construction, smooth mounting between the mounting base and the lifting platform is ensured, the adaptive range of the tapping machine is expanded, the splicing plates can be rapidly spliced through the matching of the grooves and the lugs, the adjacent splicing plates can be rapidly locked through the matching of the T-shaped rods and the cross grooves, to enhance the stability of the horizontal floor.

According to a preferred technical scheme, the supporting rod is of a telescopic structure, the outer wall of the supporting rod is in threaded fit with the locking sleeve, the lower end of the supporting rod is provided with a through hole, the locking bolt is installed between the through hole and the side wall of the fixing seat, the telescopic supporting rod can adjust the height position of the drilling head so as to ensure that the drilling head can still drill the outer wall insulation board after the height of the mounting base is adjusted, and the locking sleeve can achieve quick loosening and locking of the telescopic rod.

As a preferable technical scheme of the invention, the upper end of the flat plate is provided with a support plate through a screw, the inner side end of the support plate at the right end of the horizontal bottom plate is provided with a clamping groove, the upper end of the support plate at the left end of the horizontal bottom plate is provided with a concave groove, a scale rod is clamped in the clamping groove, the outer wall of the scale rod is connected with an L plate in a bilateral symmetry sliding manner, the lower end of the L plate is fixedly arranged on the side wall of the fixed table, the left end of the scale rod is positioned in the concave groove, the left end of the scale rod is clamped with an Contraband-shaped block with a downward opening, the front end and the rear end of the Contraband-shaped block are in sliding fit with the inner wall of the concave groove, the Contraband-shaped block is fixedly connected with the support plate through a screw, the scale rod can ensure that workers can accurately adjust the position of a drilling head according to the position needing to be drilled, the sliding fit between the L plate and the scale rod can avoid the scale rod from influencing the moving process of the drilling device, the cooperation between scale rod and the backup pad can guarantee that drilling equipment's high position can change along with the high position change of installation base, and quick dismouting scale rod can be convenient for to swing joint mode between scale rod and the backup pad, can avoid simultaneously causing the influence to the process of accomodating of installation base.

According to the preferable technical scheme, the rectangular plates are symmetrically arranged at the upper end of the fixed table in the left-right direction, the guide plate is arranged between the two rectangular plates, the circular through hole is formed in the middle of the guide plate, the outer wall of the drilling head is in rotating fit with the circular through hole, the guide plate can limit the motion track of the drilling head, the situation that the drilling head is poor in drilling effect due to the fact that the track of the drilling head deviates in the drilling process is avoided, and the drilling accuracy of the drilling machine is further improved.

According to a preferable technical scheme of the invention, the upper end of the guide plate is provided with a rectangular through groove, the convex plate is clamped in the rectangular through groove, the lower end of the convex plate is provided with a brush, the lower end of the brush is in contact with the upper end of the drilling head, and the brush can timely remove dust adhered to the surface of the drilling head after drilling, so that the situation that the subsequent drilling process and the drilling effect are influenced due to the fact that the drilling head accumulates thicker dust on the surface after multiple times of drilling is avoided.

According to a preferred technical scheme, sliding grooves are symmetrically formed in the left end and the right end of the rectangular through groove, an inverted L-shaped rod is arranged in each sliding groove in a sliding mode, a return spring is arranged at one end, away from the rectangular through groove, of each inverted L-shaped rod, one end, away from each inverted L-shaped rod, of each return spring is connected with the inner wall of each sliding groove, after the convex plate is clamped with the rectangular through groove, each inverted L-shaped rod can be manually shifted, the inner wall of each inverted L-shaped rod is in contact with the upper end of the corresponding convex plate, the function that the corresponding inverted L-shaped rod limits the corresponding convex plate can be achieved, the condition that the brush cannot contact the surface of a drilling head due to the fact that the corresponding convex plate moves upwards is avoided, and the return springs can guarantee that the corresponding inverted L-shaped rods can smoothly reset.

In addition, the invention provides a hole opening method of a high-precision external wall insulation board automatic hole opening machine, which comprises the following steps:

the first step is as follows: installing a tapping machine: firstly, adjusting a telescopic plate according to the height of the existing lifting platform in a manual mode, and turning and loosening a locking sleeve at the same time to enable a drilling device and two ends of an installation base to be lifted to a proper height, then hanging and buckling a hook formed by a flat plate and a vertical plate on the installation base on a fence rod of the existing lifting platform, and finally locking two ends of the installation base through bolts;

the second step is that: transversely adjust drilling equipment: after the lifting platform drives the tapping machine to ascend, the sliding block is moved manually, so that the sliding block drives the fixed seat, the supporting rod and the fixed platform to do synchronous linear motion, the fixed platform drives the cylinder, the motor and the drilling head to do synchronous linear motion, and the drilling head can be exactly positioned at a position needing tapping;

the third step: opening a hole: after the position of the sliding block is manually adjusted and locked, a motor is started to drive the drilling head to rotate at a high speed, meanwhile, the square plate is pushed by the air cylinder, the motor is pushed by the square plate, the drilling head is pushed by the motor, the drilling head can also move forward while rotating at a high speed, and then the outer wall insulation board is perforated;

the fourth step: repeating the second step and the third step: and repeating the operations in the second step and the third step until the hole opening is finished.

The invention has the beneficial effects that:

the sliding block can be moved manually to change the position of the drilling device, the position of the drilling device is changed manually and more flexibly and accurately compared with the position of the drilling device moved mechanically, meanwhile, the L-shaped rack is driven by the gear to be meshed with the rack bar, and then the gear is locked by the bolt to realize the locking function of the sliding block, so that the sliding block is prevented from moving when the drilling device works to cause drilling failure;

the invention can improve the tapping efficiency of the automatic tapping machine by arranging two drilling heads, the telescopic plate can facilitate workers to correspondingly adjust the height of the automatic tapping machine in time according to the height of the lifting platform before construction, and the installation base can be conveniently accommodated by a movable connection mode among the horizontal bottom plate, the telescopic plate, the flat plate and the vertical plate;

the detachable splicing structure of the horizontal bottom plate is convenient for workers to correspondingly adjust the width of the mounting base according to the width of the lifting platform before construction, so that the mounting base can be smoothly mounted with the lifting platform, and the application range of the tapping machine is expanded;

the scale rod can ensure that workers can accurately adjust the position of the drilling head according to the position of the hole to be drilled, and the guide plate can limit the movement track of the drilling head so as to prevent the drilling head from generating track deviation in the drilling process to cause poor drilling effect, so that the drilling accuracy of the drilling machine is improved;

the brush can timely remove dust adhered to the surface of the drilling head after drilling, so that the situation that the surface of the drilling head is accumulated with thick dust after multiple times of drilling to influence the subsequent drilling process and the drilling effect is avoided.

Drawings

The invention is further illustrated with reference to the following figures and examples.

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

FIG. 2 is a front view of the present invention;

FIG. 3 is a perspective view of a portion of the drilling apparatus of the present invention;

FIG. 4 is a top view of a partial structure of the slider of the present invention;

FIG. 5 is a partial sectional view of the guide plate and the like of the present invention;

FIG. 6 is a schematic view of the connection between the splice plate structures of the present invention;

FIG. 7 is a first cross-sectional view of a bump structure of the present invention;

fig. 8 is a second cross-sectional view of the bump structure of the present invention.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

As shown in fig. 1 to 8, an automatic hole drilling machine for high-precision external wall insulation boards comprises an installation base 1, a guide device 2 and a drilling device 3, wherein the installation base 1 is fixedly installed on an existing lifting platform, the installation base 1 is composed of a horizontal bottom plate 11, an expansion plate 12, a flat plate 13 and a vertical plate 14, the horizontal bottom plate 11 is in contact with the upper end face of the existing lifting platform, the horizontal bottom plate 11 is composed of a plurality of splicing plates 110, a groove 11a is matched with a lug 11b between adjacent splicing plates 110, the groove 11a and the lug 11b are symmetrically distributed in the front and back direction, the side wall of the lug 11b is provided with a cross groove, a T-shaped rod 11c is clamped in the cross groove, one end of the T-shaped rod 11c, far away from the lug 11b, penetrates through a vertical groove to the outer part of the splicing plates 110, the vertical groove is formed in the side wall of the splicing plates 110, the left end and the right end of the horizontal bottom plate 11 are rotationally connected with the expansion plate 12 with a vertical structure through a pin shaft symmetrically, the upper end of the expansion plate 12 is rotatably connected with a flat plate 13 through a pin shaft, one end of the flat plate 13, which is far away from the expansion plate 12, is rotatably connected with a vertical plate 14 through a pin shaft, bolt holes are formed in the side wall of the vertical plate 14 and the side wall of the expansion plate 12, a support plate 131 is installed at the upper end of the flat plate 13 through a screw, a clamping groove is formed in the inner side end of the support plate 131 at the right end of the horizontal bottom plate 11, a concave groove is formed in the upper end of the support plate 131 at the left end of the horizontal bottom plate 11, a scale rod 132 is clamped in the clamping groove, an L plate 133 is symmetrically connected to the left and right of the outer wall of the scale rod 132 in a sliding mode, the lower end of the L plate 133 is fixedly installed on the side wall of the fixed table 32, the left end of the scale rod 132 is located in the concave groove, an Contraband-shaped block 134 with a downward opening is clamped at the left end of the scale rod 132, the front and rear ends of the Contraband-shaped block 134 are in sliding fit with the inner wall of the concave groove, and the Contraband-shaped block 134 is fixedly connected with the support plate 131 through a screw, the upper end of the mounting base 1 is provided with a guiding device 2, the upper end of the guiding device 2 is provided with a drilling device 3, the mounting base 1 can be conveniently accommodated through the movable connection mode among the bottom plate 11, the expansion plate 12, the flat plate 13 and the vertical plate 14, the expansion plate 12 can facilitate workers to correspondingly adjust the height of the automatic tapping machine in time according to the height of the lifting platform before construction so as to ensure that tapping work can be smoothly carried out, the bolt holes can facilitate the installation of bolts, the horizontal bottom plate 11 is arranged into a detachable splicing structure so that the workers can correspondingly adjust the width of the mounting base 1 according to the width of the lifting platform before construction so as to ensure that the mounting base 1 can be smoothly mounted with the lifting platform, the adaptive range of the tapping machine is expanded, the grooves 11a are matched with the lugs 11b so as to realize the rapid splicing of the splicing plates 110, t type pole 11c and cross recess cooperation can realize locking fast between two adjacent splice plates 110, with the stability of reinforcing horizontal bottom plate 11, position that scale rod 132 can guarantee that the workman can trompil as required makes accurate ground to the position of drilling head 36 adjusts, sliding fit between L board 133 and the scale rod 132 can avoid scale rod 132 to cause the influence to drilling equipment 3's removal process, the cooperation between scale rod 132 and backup pad 131 can guarantee that drilling equipment 3's high position can change along with the high position change of installation base 1, quick dismouting scale rod 132 can be convenient for to the swing joint mode between scale rod 132 and the backup pad 131, can avoid causing the influence to the process of accomodating of installation base 1 simultaneously.

The guide device 2 comprises a guide rail groove 20, a sliding block 21, a rack bar 22, a gear 23, L-shaped racks 24, a shift lever 25 and a bolt 26, the guide rail groove 20 is arranged on the upper end surface of the installation base 1, the sliding block 21 is symmetrically and slidably arranged in the guide rail groove 20 in the left and right direction, rectangular grooves are symmetrically arranged at the front end and the rear end of the guide rail groove 20, the rack bar 22 is symmetrically arranged at the front end and the rear end of the sliding block 21, the rack bar 22 is in sliding fit with the inner wall of the rectangular groove, the gear 23 is arranged at the leftmost end of the guide rail groove 20, the L-shaped racks 24 are symmetrically meshed at the left end and the right end of the gear 23, the L-shaped racks 24 are distributed in a staggered manner in the front and back direction, the horizontal end of the L-shaped rack 24 is formed by splicing a plurality of concave-convex fit racks, the horizontal end of the L-shaped rack 24 is in sliding fit with the inner wall of the lower end of the rectangular groove, the rack bar 22 is positioned between the horizontal ends of the two L-shaped racks 24, the shift lever 25 is arranged on the upper end surface of the gear 23, the lower end of the deflector rod 25 is in running fit with the bottom of the guide rail groove 20, the edge of the upper end face of the gear 23 is provided with a limit hole, a bolt 26 is inserted in the limit hole, the lower end of the bolt 26 is clamped with the bottom of the guide rail groove 20, the position of the drilling device 3 can be changed by manually moving the sliding block 21, the position of the drilling device 3 can be changed manually more flexibly and accurately than the position of the drilling device 3 can be changed by mechanically moving, and after the sliding block 21 is manually moved, the shift lever 25 can be manually shifted to enable the gear 23 to rotate, the gear 23 drives the two L-shaped racks 24 to move oppositely, the L-shaped racks 24 move for a certain distance and then are meshed with the rack bar 22, at the moment, the bolt 26 is manually inserted into the limiting hole, therefore, the function of locking the sliding block 21 can be realized, and the sliding block 21 is prevented from moving when the drilling device 3 works to cause the failure of drilling.

The drilling device 3 comprises a fixed seat 30, a supporting rod 31, a fixed table 32, a cylinder 33, a square plate 34, a motor 35 and a drilling head 36, wherein the fixed seat 30 is installed at the upper end of a sliding block 21, a clamping groove is formed in the middle of the upper end of the fixed seat 30, the supporting rod 31 is clamped in the clamping groove and is of a telescopic structure, a locking sleeve 310 is in threaded fit with the outer wall of the supporting rod 31, a through hole is formed in the lower end of the supporting rod 31, a locking bolt is installed between the through hole and the side wall of the fixed seat 30, the fixed table 32 of an L-shaped structure is installed at the upper end of the supporting rod 31, the cylinder 33 is installed at the front end of the vertical end of the fixed table 32, the square plate 34 is installed at the front end of the cylinder 33, the motor 35 is installed at the front end of the square plate 34 in sliding fit with the upper end face of the fixed table 32, the drilling head 36 is installed at the front end of the motor 35, the rectangular plate 321 is installed at the left and right of the upper end of the fixed table 32 in a symmetrical manner, a guide plate 322 is arranged between the two rectangular plates 321, a circular through hole is arranged in the middle of the guide plate 322, the outer wall of the drilling head 36 is in running fit with the circular through hole, a rectangular through groove 323 is arranged at the upper end of the guide plate 322, a convex plate 324 is clamped in the rectangular through groove 323, a brush 325 is arranged at the lower end of the convex plate 324, the lower end of the brush 325 is in contact with the upper end of the drilling head 36, sliding grooves 326 are symmetrically arranged at the left end and the right end of the rectangular through groove 323, an inverted L-shaped rod 327 is slidably arranged in the sliding groove 326, a return spring 328 is arranged at one end of the inverted L-shaped rod 327 far away from the rectangular through groove 323, one end of the return spring 328 far away from the inverted L-shaped rod 327 is connected with the inner wall of the sliding groove 326, after the position of the sliding block 21 is manually adjusted and locked, the motor 35 can drive the drilling head 36 to rotate at a high speed, the square plate 34 is pushed by the air cylinder 33, the square plate 34 pushes the motor 35, the drilling head 36 is pushed by the motor 35, thereby, the drilling head 36 can advance while rotating at a high speed, so as to realize the function of automatically drilling the external wall insulation board, the traditional manual hand-held drilling machine is replaced for drilling, the drilling efficiency of the automatic drilling machine can be improved by arranging two drilling heads 36, so that the practicability of the automatic drilling machine is improved, the telescopic support rod 31 can adjust the height position of the drilling head 36, so as to ensure that the drilling head 36 can still drill the external wall insulation board after the height of the mounting base 1 is adjusted, the locking sleeve 310 can realize the quick loosening and locking of the telescopic rod, the guide plate 322 can limit the movement track of the drilling head 36, so as to prevent the drilling head 36 from generating track deviation in the drilling process to cause poor drilling effect, further improve the drilling accuracy of the drilling machine, the brush 325 can timely remove dust adhered to the surface of the drilling head 36 after drilling, in order to avoid drilling head 36 to pile up thicker dust on its surface after drilling many times and influence subsequent drilling process and the effect of drilling, after protruding type board 324 and rectangle logical groove 323 joint, the accessible manual mode stirs down L type pole 327, make the upper end contact of the inner wall of falling L type pole 327 and protruding type board 324, can realize falling L type pole 327 and carry out spacing function to protruding type board 324, in order to avoid protruding type board 324 upward movement and lead to the unable surface that contacts drilling head 36 of brush 325, reset spring 328 can guarantee that falling L type pole 327 can reset smoothly.

In addition, the invention provides a hole opening method of a high-precision external wall insulation board automatic hole opening machine, which comprises the following steps:

the first step is as follows: installing a tapping machine: firstly, manually adjusting the telescopic plate 12 according to the height of the existing lifting platform, and simultaneously turning and loosening the locking sleeve 310 to enable the drilling device 3 and two ends of the installation base 1 to rise to proper height, then hanging and buckling a hook formed by the flat plate 13 and the vertical plate 14 on the installation base 1 on a surrounding guardrail of the existing lifting platform, and finally locking two ends of the installation base 1 through bolts;

the second step is that: lateral adjustment drilling device 3: after the lifting platform drives the tapping machine to ascend, the sliding block 21 is moved manually, so that the sliding block 21 drives the fixed seat 30, the supporting rod 31 and the fixed platform 32 to do synchronous linear motion, the fixed platform 32 drives the air cylinder 33, the motor 35 and the drilling head 36 to do synchronous linear motion, and the drilling head 36 can be just positioned at a position needing tapping;

the third step: opening a hole: after the position of the sliding block 21 is manually adjusted and locked, the motor 35 is started to drive the drilling head 36 to rotate at a high speed, meanwhile, the square plate 34 is pushed through the air cylinder 33, the motor 35 is pushed through the square plate 34, and the drilling head 36 is pushed through the motor 35, so that the drilling head 36 can also advance while rotating at a high speed, and then the outer wall insulation board is perforated;

the fourth step: repeating the second step and the third step: and repeating the operations in the second step and the third step until the hole opening is finished.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.