CN114012124B

CN114012124B - Quick drilling device with dust absorption function for machining

Info

Publication number: CN114012124B
Application number: CN202111397304.2A
Authority: CN
Inventors: 黄帅; 卢泓坤; 周卫平; 杨微; 罗秋君; 徐骏; 马子恒; 吴俊杰
Original assignee: Jiujiang Vocational and Technical College
Current assignee: Jiujiang Vocational and Technical College
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-10-14
Anticipated expiration: 2041-11-23
Also published as: CN114012124A

Abstract

The utility model provides a quick drilling equipment is used in machining with dust absorption function, the power distribution box comprises a box body, there is the motor inside the box, the one end of motor has first band pulley, the other end of motor has drill bit motion, there is the drill bit motion below, there is sector gear drill bit motion the outside, sector gear installs in between first cross axle and second cross axle, first cross axle and second cross axle are installed inside the box, there is the moving as a whole mechanism fan gear outside, first through-hole is seted up to the bottom half, there is the dust catcher the box inboard, the dust catcher has first dust absorption pipe, first dust absorption pipe end has the dust absorption mouth, there is the second dust absorption pipe the dust absorption pipe outside the dust catcher, second dust absorption pipe end has the dust absorption head, there is the battery at the inboard top of box, there is the switch at box outside top. The invention realizes automatic continuous drilling, cleans cuttings and dust after drilling through the dust collector, saves labor cost in the hole machining process, improves the working efficiency of hole machining, and ensures the working environment.

Description

Quick drilling device with dust absorption function for machining

Technical Field

The invention belongs to the technical field of electromechanical equipment, and particularly relates to a quick drilling device with a dust absorption function for machining.

Background

Drilling refers to the process of making a hole in a solid material with a drill. The hole machining of various parts is completed by a drilling machine and a drilling tool except for a part by a lathe, a boring machine, a milling machine and other machine tools. When a workpiece with a long length needs to be subjected to equidistant round hole machining, a small drilling machine cannot be used for machining, the cost of the large drilling machine is too high, the large drilling machine can only be used for machining by using a manual hand drill, but the process of the manual hand drill is complex and has low precision, workers need to firstly use measuring tools to measure the hole distances one by one, mark the marks, then machine the marks one by one, and need to clean cuttings and dust afterwards, which wastes time and labor; therefore, the invention provides the quick drilling device with the dust absorption function for machining.

Disclosure of Invention

The invention provides a quick drilling device with a dust absorption function for machining, which is used for overcoming the defects in the prior art.

The invention is realized by the following technical scheme:

a quick drilling device with a dust absorption function for machining comprises a box body, wherein a motor with a bidirectional output shaft is arranged in the box body, the motor is fixedly arranged at the top of the inner side of the box body, a first belt wheel is arranged at one end of the motor, a drill bit movement mechanism is arranged at the other end of the motor, a drill bit is arranged below the drill bit movement mechanism, and the motor drives the drill bit movement mechanism to complete the main movement of the drill bit; a sector gear is arranged on the outer side of the drill bit movement mechanism and drives the drill bit movement mechanism to complete the feeding movement of the drill bit; the sector gear is arranged between a first transverse shaft and a second transverse shaft, the first transverse shaft and the second transverse shaft are coaxially arranged in the box body, a second belt wheel is arranged on the outer side of the first transverse shaft, the second belt wheel and the first belt wheel are in belt transmission, an integral moving mechanism is arranged on the outer side of the sector gear, and the sector gear drives the integral moving mechanism to realize integral intermittent movement at equal intervals; a first through hole is formed in the bottom of the box body and located below the drill bit moving mechanism, a dust collector is arranged on the inner side of the box body and provided with a first dust suction pipe, the first dust suction pipe penetrates through the box body and is fixedly mounted on the lower side of the box body, a dust suction port is formed in the tail end of the first dust suction pipe and located below the outer side of the first through hole, a second dust suction pipe is arranged on the outer side of the dust collector and is a coiled pipe capable of being shaped and bent at will, and a disc-shaped dust suction head is arranged at the tail end of the second dust suction pipe; the top of the inner side of the box body is provided with a storage battery, the top of the outer side of the box body is provided with a switch, and the switch is connected with the storage battery, the motor and the dust collector through circuits.

As above a quick drilling equipment is used in machining with dust absorption function, drill bit motion include bevel gear group, bevel gear group's driving gear is installed on the output shaft of motor, bevel gear group's driven gear installs in the upper end outside in the vertical axis that can stretch out and draw back and have the automatic re-setting function, install in box top inboard through the bearing in the upper end top of vertical axis, the lower extreme fixedly connected with drill chuck of vertical axis, the inside centre gripping drill bit of drill chuck, the middle part outside suit drum of vertical axis, the drum is connected for rotating with the vertical axis, the rack is inlayed in the outside of drum, the both sides face of rack is equipped with vertical limiting plate, limiting plate fixed mounting is in the inside bottom surface of box, fan-shaped gear rotates in-process and rack toothing.

According to the quick drilling device with the dust absorption function for machining, the sector gear is composed of the small sector gears which are concentrically spliced, the total central angle of the sector gear is alpha after splicing, the total central angle alpha can be adjusted and locked according to the hole pitch of the machined hole, and each small sector gear can drive the whole moving mechanism when the sector gear rotates.

According to the quick drilling device with the dust absorption function for machining, the arc surface of the small sector gear is the tooth surface, the side surface of the small sector gear is provided with the arc-shaped sliding groove concentric with the tooth surface, the outer side of the sliding groove is provided with the positioning column, the positioning column is inserted into the sliding groove of another small sector gear in a matched mode, the circle center of one side surface of the small sector gear is provided with the first blind hole, the torsion spring is arranged inside the first blind hole, one end of the torsion spring is fixedly connected with the blind hole, the circle center of the other side surface of the small sector gear is provided with the cylinder, the outer side of the cylinder is provided with the second blind hole, and the other end of the torsion spring is inserted into the second blind hole of the adjacent small sector gear; install annular first friction disc and second friction disc between the little sector gear of concatenation, first friction disc fixed mounting is equipped with the side of cylinder in little sector gear, first friction disc is coaxial with the cylinder, second friction disc fixed mounting is equipped with the side of first blind hole in little sector gear, the second friction disc is coaxial with first blind hole, cylinder cooperation cartridge is in the first blind hole of adjacent little sector gear, little sector gear in the outside after the concatenation respectively with first cross axle and second cross axle fixed connection, first cross axle and second cross axle are the telescopic shaft, compress tightly first friction disc and the fixed relative position of second friction disc and transmission torque through first cross axle and the extension of second cross axle between the little sector gear.

According to the quick drilling device with the dust absorption function for machining, the central angle beta of the small sector gears is different, and only one of the small sector gears can be meshed with the rack of the drill bit movement mechanism when the sector gears rotate; the left end of the first transverse shaft is fixedly connected with the rightmost small sector gear, the right end of the first transverse shaft penetrates through the side wall of the box body, an adjusting mechanism is arranged between the side wall of the box body and the first transverse shaft, the telescopic part of the first transverse shaft is provided with a clamping plate which is rotatably connected with the first transverse shaft, the other side of the clamping plate is provided with a first screw which is rotatably connected with the clamping plate, and the first screw is connected with the side wall of the box body through threads; the right end of the second transverse shaft is fixedly connected with the leftmost small sector gear, the end part of the left end of the second transverse shaft is rotatably connected with the inner wall of the box body, the telescopic part of the second transverse shaft is provided with a sleeve, a locking mechanism is arranged between the sleeve and the second rotary shaft, the outer side of the sleeve is provided with a connecting rod fixedly connected with the sleeve, the end part of the connecting rod is provided with a second screw rotatably connected with the connecting rod, and the second screw is connected with the side wall of the box body through threads.

The quick drilling device with the dust absorption function for machining comprises a gear shaft, wherein first chain wheels coaxial with the gear shaft are arranged at two ends of the gear shaft, second chain wheels are arranged on the lower sides of the first chain wheels and positioned on the outer side of a box body, the first chain wheels and the second chain wheels are connected through chains, second through holes are formed in the positions, corresponding to the chains, of the bottom of the box body, the second chain wheels are installed at two ends of a rotating shaft, the rotating shaft is installed at the bottom of the box body through a bearing seat, a plurality of idler wheels are installed in the middle of the rotating shaft, and the distance between the idler wheels can be adjusted according to the width of a workpiece; the left and right sides of box is equipped with first telescopic link of vertically with it, the stiff end and the box fixed connection of first telescopic link, the expansion end fixed connection of first telescopic link is in the upper end of the perpendicular and vertical arrangement's second telescopic link with it, the lower extreme of second telescopic link is equipped with the third telescopic link, the fixed end fixed connection of third telescopic link is in the lower extreme of second telescopic link, the expansion end of third telescopic link is located the downside of box, the expansion end of third telescopic link is equipped with the leading wheel, the middle part suit pipe of second telescopic link, the fourth telescopic link is installed in the outside of pipe, the stiff end and the pipe fixed connection of fourth telescopic link, the universal wheel is installed to the expansion end of fourth telescopic link.

As above a quick drilling equipment is used in machining with dust absorption function, adjustment mechanism including adjusting the spanner, adjust the spanner head and be the stand, stand and handle fixed connection, the back mark of the corresponding stand of handle is carved with the instruction sign, the lateral wall of box is equipped with the angle scale corresponding to the tip of first cross axle, the tip that first cross axle passed the box lateral wall corresponds the stand and is equipped with the regulation third blind hole that the shape is the same, the stand can correspond the inside of inserting the regulation third blind hole.

The quick drilling device with the dust collection function for machining comprises a sleeve, wherein the sleeve is internally provided with grooves which are uniformly distributed in an annular mode, the grooves are internally provided with bolts, the right ends of the bolts are hinged to the inner parts of the grooves through torsion springs, and the right end of the sleeve is provided with an annular first step; the outer side of the second cross shaft corresponds to the first step and is provided with a second step matched with the first step, the left side of the second step corresponds to the bolt and is provided with uniformly distributed jacks, and the bolt is matched and inserted into the jacks when the sleeve moves leftwards.

The invention has the advantages that: when the drill bit is used, the dust suction pipe is placed above a workpiece, the dust suction port is aligned to the position of a first machined hole, the position of a dust suction head at the tail end of a second dust suction pipe corresponding to the position of a drill bit movement mechanism is adjusted below the workpiece, a proper drill bit is installed on the drill bit movement mechanism according to the requirement of the required machined hole, a switch is started to start a dust collector, a motor drives the drill bit movement mechanism to rotate the drill bit, the motor drives a first belt wheel to rotate, the first belt wheel drives a second belt wheel to rotate through a belt, the second belt wheel drives a first transverse shaft to rotate, the first transverse shaft drives a sector gear to rotate, the sector gear drives the drill bit movement mechanism to move the drill bit downwards, the drill bit penetrates through a first through hole to be machined, the dust collector sucks away cutting chips and dust on the outer side of the drill bit through the dust suction port and the dust suction head, the drill bit movement mechanism enables the drill bit to automatically reset after the drill bit exits from the machined hole; the fan-shaped gear drives the integral moving mechanism again, the integral moving mechanism drives the whole body to move forwards to the position of a second machined hole and then stops moving, the second hole is machined continuously, the circular operation is carried out in sequence until the last hole is machined, and then the switch is closed; the automatic continuous drilling machine realizes automatic continuous drilling, cleans cuttings and dust after drilling through the dust collector, saves labor cost in the hole machining process, improves the working efficiency of hole machining, guarantees the working environment, is deeply approved by workers in actual production, and has great popularization significance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can obtain other drawings based on the drawings without inventive labor.

FIG. 1 is a schematic view of a portion of the present invention; FIG. 2 is a schematic view of a portion of the structure of FIG. 1 in a left-hand direction; FIG. 3 is a schematic diagram of a portion of the present invention; FIG. 4 is a schematic view of the construction of a small sector gear; FIG. 5 is a schematic view of the adjustment wrench; FIG. 6 is an enlarged view of a portion of the direction A of FIG. 1; fig. 7 is an enlarged schematic view of portion i of fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A quick drilling device with a dust absorption function for machining comprises a box body 1, wherein a motor 2 with a bidirectional output shaft is arranged in the box body 1, the motor 2 is fixedly installed at the top of the inner side of the box body 1, a first belt pulley 3 is installed at one end of the motor 2, a drill bit movement mechanism 4 is arranged at the other end of the motor 2, a drill bit 5 is installed below the drill bit movement mechanism 4, and the motor 2 drives the drill bit movement mechanism 4 to complete main movement of the drill bit 5; a sector gear 6 is arranged on the outer side of the drill bit movement mechanism 4, and the sector gear 6 drives the drill bit movement mechanism 4 to complete the feeding movement of the drill bit 5; the sector gear 6 is arranged between a first transverse shaft 7 and a second transverse shaft 8, the first transverse shaft 7 and the second transverse shaft 8 are coaxially arranged in the box body 1, a second belt wheel 9 is arranged on the outer side of the first transverse shaft 7, the second belt wheel 9 and the first belt wheel 3 are driven through a belt 10, an integral moving mechanism 11 is arranged on the outer side of the sector gear 6, and the sector gear 6 drives the integral moving mechanism 11 to realize integral equidistant intermittent movement; a first through hole 12 is formed in the bottom of the box body 1 and below the drill bit movement mechanism 4, a dust collector 13 is arranged on the inner side of the box body 1, a first dust suction pipe 14 is arranged on the dust collector 13, the first dust suction pipe 14 penetrates through the box body 1 and is fixedly mounted on the lower side of the box body 1, a dust suction port 15 is formed in the tail end of the first dust suction pipe 14, the dust suction port 15 is located below the outer side of the first through hole 12, a second dust suction pipe 16 is arranged on the outer side of the dust collector 13, the second dust suction pipe 16 is a coiled pipe which can be randomly shaped and bent, and a disc-shaped dust suction head 17 is arranged at the tail end of the second dust suction pipe 16; the top of the inner side of the box body 1 is provided with a storage battery 18, the top of the outer side of the box body 1 is provided with a switch 19, and the switch 19 is connected with the storage battery 18, the motor 2 and the dust collector 13 through circuits. When the drill bit is used, the dust collector is placed above a workpiece, the dust suction opening 15 is aligned to the position of a first machined hole, the position of the dust suction head 17 at the tail end of a second dust suction pipe, which corresponds to the position of the drill bit movement mechanism 4, is adjusted below the workpiece, a proper drill bit 5 is installed on the drill bit movement mechanism 4 according to the requirement of a required machined hole, the switch 19 is turned on to start the dust collector 13, the motor 2 rotates, the motor 2 drives the drill bit movement mechanism 4 to rotate the drill bit 5, the motor 2 drives the first belt pulley 3 to rotate, the first belt pulley 3 drives the second belt pulley 9 to rotate through the belt 10, the second belt pulley 3 drives the first transverse shaft 7 to rotate, the first transverse shaft 7 drives the sector gear 6 to rotate, the sector gear 6 drives the drill bit movement mechanism 4 to move the drill bit 5 downwards, the drill bit 5 penetrates through the first through hole 12 to be machined, the dust collector 13 sucks away cuttings and dust outside the drill bit 5 through the dust suction opening 15 and the dust suction head 17, and the sector gear 6 leaves the drill bit movement mechanism 4, and the drill bit movement mechanism 4 automatically resets the drill bit 5, and the drill bit 5 exits from the machined hole; the sector gear 6 drives the integral moving mechanism 11 again, the integral moving mechanism 11 drives the whole body of the invention to move forwards to the position of a second machined hole and then stops moving, the second hole is machined continuously, the operation is circulated in sequence until the last hole is machined, and then the switch 19 is closed; the automatic continuous drilling machine realizes automatic continuous drilling, and cleans cuttings and dust after drilling through the dust collector 13, so that the labor cost in the hole machining process is saved, the working efficiency of hole machining is improved, the working environment is guaranteed, the automatic continuous drilling machine is deeply approved by workers in actual production, and the automatic continuous drilling machine has great popularization significance.

Specifically, in order to replace manual drilling, the drill bit movement mechanism 4 is designed to reasonably provide the main movement of the drill bit and skillfully realize the automatic feeding of the drill bit in the drilling process through driving and controlling the drill bit movement mechanism 4, as shown in fig. 1 and 2, the drill bit movement mechanism 4 described in the embodiment includes a bevel gear set 20, a driving gear of the bevel gear set 20 is mounted on an output shaft of a motor 2, a driven gear of the bevel gear set 20 is mounted on the outer side of the upper end of a vertical shaft 21 which can stretch and has an automatic resetting function, the top of the upper end of the vertical shaft 21 is mounted on the inner side of the top of a box body 1 through a bearing, the lower end of the vertical shaft 21 is fixedly connected with a drill bit 22, a cylinder 23 is sleeved on the outer side of the middle of the vertical shaft 21, the cylinder 23 is rotatably connected with the vertical shaft 21, a limiting plate 35 is embedded on the outer side of the cylinder 23, and two side faces of a rack 24 are provided with vertical

limiting plates

35, 35 and 35 are fixedly mounted on the inner side of the box body 1, and the rack is meshed with a sector gear 6 in the rotating process. In the use process of the invention, after the motor 2 is started, the vertical shaft 21 is driven to rotate through the bevel gear set 20, the vertical shaft 21 drives the drill chuck 22 to rotate, the drill chuck 22 drives the drill bit 5 to rotate, then the sector gear 6 drives the rack 24 to move downwards, the rack 24 drives the cylinder 23 and moves downwards along the limiting plate 35, the cylinder 23 drives the telescopic end of the vertical shaft 21 to extend downwards, the drill chuck 22 at the lower end of the vertical shaft 21 clamps the drill bit 5 to pass through the first through hole 12 for drilling, and the telescopic end of the vertical shaft 21 automatically resets after the drilling is finished; this design is at first through bevel gear 20 with the rotation of motor 2 transform into the primary motion of drill bit 5, and rethread sector gear 6 drive rack 24 has realized the downward feed motion of drill bit 5, has accomplished originally complicated manual operation through simple mechanical structure ingeniously, has both practiced thrift the cost of labor and has improved production efficiency again.

Specifically, the sector gear 6 of the present design is a key for driving the drill movement mechanism 4 and the overall movement mechanism 11, and since the tooth surface length of the sector gear 6 determines the movement distance of the overall movement mechanism 11 during drilling, in order to improve the usability of the present invention and ensure the adjustable movement distance, the tooth surface length of the sector gear 6 must be adjusted by design, as shown in fig. 2, the sector gear 6 described in this embodiment is composed of a plurality of small sector gears 25 concentrically spliced together, the total central angle of the sector gear 6 after splicing is α, the total central angle α can be adjusted and locked according to the hole pitch of the processed hole, and each small sector gear 25 can drive the overall movement mechanism 11 when the sector gear 6 rotates. The small sector gears 25 are spliced in a mode of adjacent two to two, and the design adopts the mode of splicing the small sector gears 25, so that the pitch of the machined holes can be adjusted in the using process, and the better using performance of the invention is ensured.

Further, it is ensured that the moving distance can be adjusted stably and accurately by the present invention, and it is necessary to ensure that the designed tooth surface length of the sector gear 6 is stable and reliable in the adjusting process, so that the splicing manner designed for the small sector gear 25 is more favorable for adjustment, as shown in fig. 1, 2, and 4, the circular arc surface of the small sector gear 25 described in this embodiment is the tooth surface 26, the side surface of the small sector gear 25 is provided with an arc-shaped chute 27 concentric with the tooth surface 26, the outer side of the chute 27 is provided with a positioning column 28, the positioning column 28 is inserted into the chute 27 of another small sector gear 25 in a matching manner, the center of one side surface of the small sector gear 25 is provided with a first blind hole 29, a torsion spring 31 is arranged inside the first blind hole 29, one end of the torsion spring 31 is fixedly connected with the blind hole 29, the center of the other side surface of the small sector gear 25 is provided with a cylinder 32, the outer side of the cylinder 32 is provided with a second blind hole 33, and the other end of the torsion spring 31 is inserted into the second blind hole 33 of the adjacent small sector gear 25; annular first friction plates 30 and second friction plates 34 are arranged between the small sector gears 25 which are spliced, the first friction plates 30 are fixedly arranged on the side faces, provided with the cylinders 32, of the small sector gears 25, the first friction plates 30 are coaxial with the cylinders 32, the second friction plates 34 are fixedly arranged on the side faces, provided with the first blind holes 29, of the small sector gears 25, the second friction plates 34 are coaxial with the first blind holes 29, the cylinders 32 are inserted into the first blind holes 29 of the adjacent small sector gears 25 in a matched mode, the small sector gears 25 on the outermost sides after splicing are fixedly connected with the first transverse shaft 7 and the second transverse shaft 8 respectively, the first transverse shaft 7 and the second transverse shaft 8 are telescopic shafts, and the small sector gears 25 are stretched through the first transverse shaft 7 and the second transverse shaft 8 to tightly press the first friction plates 30 and the second friction plates 34 to fix relative positions and transmit torque. When the small sector gears 25 are spliced, the tooth surfaces 26 of the small sector gears 25 are positioned on the same arc surface, the positioning columns 28 of the small sector gears 25 are correspondingly matched and inserted into the sliding grooves 27 of the small sector gears 25 adjacent to the small sector gears 25, the cylinders 32 of the small sector gears 25 are correspondingly matched and inserted into the first blind holes 29 of the small sector gears 25 adjacent to the small sector gears 25, the small sector gears 25 are automatically unfolded under the action of the torsion springs 31 to enable the total central angle alpha to be in the maximum natural state, when the sector gears 6 are adjusted, firstly, the first transverse shaft 7 and the second transverse shaft 8 are shortened to enable the first friction plates 30 and the second friction plates 34 to be loosened, the total central angle alpha after the small sector gears 25 are spliced is adjusted by enabling the first transverse shaft 7 to rotate a certain angle relative to the second transverse shaft 8 according to the hole pitch of holes to be processed, and then, the first transverse shaft 7 and the second transverse shaft 8 are stretched to tightly press the first friction plates 30 and the second friction plates 34 to enable the small sector gears 25 to be fixed; the design determines the splicing mode of the small sector gears 25, ensures the stable structure of the small sector gears in the adjusting process, and is also favorable for increasing and decreasing the number of the small sector gears 25 according to the processing requirement.

Furthermore, the tooth surface length of one small sector gear 25 of the sector gear 6 meshed with the rack 24 determines the drilling depth during drilling processing, and the small sector gear 25 meshed with the rack 24 needs to be adjusted and changed when the sector gear 6 rotates in order to meet the requirement that the drilling depth of different workpieces during drilling processing can be adjusted; meanwhile, in order to ensure the stability and reliability of the tooth surface length of the sector gear 6 during adjustment and improve the universality and stability of the invention during use, a special adjustment mode is required for adjustment, as shown in fig. 1 and 2, the central angle of the small sector gear 25 is beta, the central angle beta of each small sector gear 25 is different, and only one small sector gear 25 can be meshed with the rack 24 of the drill bit movement mechanism 4 when the sector gear 6 rotates; the left end of the first cross shaft 7 is fixedly connected with the rightmost small sector gear 25, the right end of the first cross shaft 7 penetrates through the side wall of the box body 1, an adjusting mechanism is arranged between the side wall of the box body 1 and the first cross shaft 7, a clamping plate 36 rotatably connected with the telescopic part of the first cross shaft 7 is arranged on the telescopic part of the first cross shaft 7, a first screw rod 37 rotatably connected with the other side of the clamping plate 36 is arranged on the other side of the clamping plate, and the first screw rod 37 is connected with the side wall of the box body 1 through threads; the right end of the second cross shaft 8 is fixedly connected with the leftmost small sector gear 25, the left end of the second cross shaft 8 is rotatably connected with the inner wall of the box body 1, a sleeve 38 is mounted on the telescopic part of the second cross shaft 8, a locking mechanism is arranged between the sleeve 38 and the second rotating shaft 8, a connecting rod 40 fixedly connected with the sleeve 38 is mounted on the outer side of the sleeve 38, a second screw rod 41 rotatably connected with the end of the connecting rod 40 is arranged at the end of the connecting rod 40, and the second screw rod 41 is in threaded connection with the side wall of the box body 1. When the drilling depth is adjusted, firstly, a proper small sector gear 25 is selected according to the hole depth of a hole to be machined and meshed with the rack 24 when rotating, and meanwhile, the first screw rod 37 and the second screw rod 41 are rotated to enable the first transverse shaft 7 and the second transverse shaft 8 to drive the sector gear 6 to integrally move leftwards or rightwards, so that the proper small sector gear 25 can be meshed with the rack 24 when rotating, and the proper drilling depth is ensured; then, the total central angle alpha after the splicing of the small sector gears 25 is adjusted according to the hole pitch of the holes to be processed, when the adjustment is carried out, the second screw rod 41 is firstly rotated, the second screw rod 41 drives the connecting rod 40 to move leftwards, the connecting rod 40 drives the sleeve 38 to move leftwards, the locking mechanism locks the sleeve 38 and the second transverse shaft 8, the locking mechanism limits the rotation of the second transverse shaft 8, the second transverse shaft 8 moves leftwards along with the sleeve 38 to loosen the pressed friction plate 34, then the adjusting mechanism rotates the first transverse shaft 7, the first transverse shaft 7 drives the leftmost small sector gear 25 to rotate, the small sector gear 25 twists the torsion spring 31 to drive the other adjacent small sector gear 25 to rotate, the positioning column 28 of the small sector gear 25 slides in the sliding groove 27 of the other adjacent small sector gear 25, the second screw rod 41 is rotated to a proper angle, the second screw rod 41 drives the connecting rod 40, the connecting rod 40 drives the sleeve 38 to move rightwards, the locking mechanism moves rightwards to release the locking of the second transverse shaft 8, the second transverse shaft 8 moves rightwards to press the friction plate along with the sleeve 38, and the adjustment of the total tooth surface length is completed through the adjustment of the central angle alpha; the design adopts the splicing of the small sector gears 25 with different central angles beta to realize that the depth and the pitch of the processed holes can be stably and reliably adjusted in the use process of the invention, thereby enlarging the use range of the invention.

Furthermore, in order to achieve the purpose of performing drilling processing at equal distances, the invention needs to move on a workpiece at equal distances, and therefore, the integral moving mechanism 11 is designed, so that the integral moving mechanism 11 moves stably on the workpiece without deviation, and the processing precision of processing holes at equal distances is ensured, and some auxiliary and clamping devices are designed for the integral moving mechanism, as shown in fig. 3, the integral moving mechanism 11 described in this embodiment includes a gear shaft 42, two ends of the gear shaft 42 are provided with first chain wheels 43 coaxial with the gear shaft 42, a second chain wheel 44 is arranged on the outer side of the box body 1 on the lower side of the first chain wheel 43, the first chain wheel 43 is connected with the second chain wheel 44 through a chain 46, a second through hole 45 is formed in the bottom of the box body 1 corresponding to the position of the chain 46, the second chain wheel 44 is mounted at two ends of a rotating shaft 47, the rotating shaft 47 is mounted at the bottom of the box body 1 through a bearing seat, a plurality of rollers 48 are mounted in the middle of the rotating shaft 47, and the distance between the rollers 48 can be adjusted according to the width of the workpiece; the left and right sides of box 1 is equipped with first telescopic link 49 of vertically with it, the stiff end and the box fixed connection of first telescopic link 49, the expansion end fixed connection of first telescopic link 49 is in the perpendicular and vertical arrangement's with it upper end of second telescopic link 50, the lower extreme of second telescopic link 50 is equipped with third telescopic link 51, the fixed end fixed connection of third telescopic link 51 is in the lower extreme of second telescopic link 50, the expansion end of third telescopic link 51 is located the downside of box 1, leading wheel 52 is equipped with to the expansion end of third telescopic link 51, the middle part suit pipe 53 of second telescopic link 50, fourth telescopic link 54 is installed in the outside of pipe 53, the stiff end and the pipe 53 fixed connection of fourth telescopic link 54, universal wheel 55 is installed to the expansion end of fourth telescopic link 54. When the universal wheel is used, the universal wheel is firstly placed on the processing surface of a workpiece, the roller 48 is in contact with the processing surface of the workpiece, the distance between the rollers 48 is adjusted according to the actual shape and size of the workpiece, then the guide wheel 52 is adjusted to a proper position, and finally the position of the universal wheel 55 is adjusted; in the operation process, the drill bit motion mechanism 4 is driven to realize the feeding motion of the drill bit 5 mainly by the rotation of the sector gear 6, after the tool withdrawal of the drill bit 5 is finished in one drilling operation, the sector gear 6 leaves the drill bit motion mechanism 4 in the continuous rotation process and is meshed with the gear shaft 42 and drives the gear shaft 42 to rotate, the gear shaft 42 can rotate together with the first chain wheel 43, the first chain wheel 43 drives the second chain wheel 44 to rotate through the chain 46, the chain wheel 44 drives the rotating shaft 47 to rotate, the roller 48 on the rotating shaft 47 rotates along with the roller, the roller 48 can drive the whole box body 1 to move on the processing surface of a workpiece when rotating, the box body 1 can drive the first telescopic rod 49 in the moving process, the first telescopic rod 49 drives the second telescopic rod 50, the second telescopic rod 50 drives the third telescopic rod 51, the guide wheel 52 at the end part of the third telescopic rod 51 rolls on the back surface, and the universal wheel 55 at the end part of the fourth telescopic rod 54 rolls on the side surface of the workpiece; the design realizes that the invention can intermittently and stably move in the processing operation engineering through the integral moving mechanism 11, and simultaneously, the design can also realize the processing on the obliquely or vertically arranged workpieces, thereby expanding the application range of the invention again.

Furthermore, in order to adjust the total central angle α of the spliced small sector gear 25 more conveniently and quickly, an adjusting mechanism is provided, as shown in fig. 5 and 6, the adjusting mechanism described in this embodiment includes an adjusting wrench 56, the head of the adjusting wrench 56 is a column 57, the column 57 is fixedly connected with a handle 58, the handle 58 is marked with an indication mark 59 on the back surface corresponding to the column 57, an angle scale 60 is provided at the end of the side wall of the box 1 corresponding to the first cross shaft 7, the end of the first cross shaft 7 penetrating through the side wall of the box 1 corresponding to the column 57 is provided with an adjusting third blind hole 61 with the same shape, and the column 57 can be correspondingly inserted into the inside of the adjusting third blind hole 61. When the total central angle alpha is adjusted after the small sector gears 25 are spliced, the adjusting wrench 56 is inserted into the third blind hole 61, the adjusting wrench 56 is rotated by a certain angle by contrasting the indicating mark 59 and the angle scale 60, and the adjusting wrench 56 is taken out after the adjustment is finished; the design realizes the adjustment of the total central angle alpha after the small sector gear 25 is spliced simply, quickly and accurately.

Furthermore, in order to more accurately adjust the total central angle α after the small sector gear 25 is spliced, the second transverse shaft 8 must be ensured not to rotate in the process of rotating the first transverse shaft 7, and a locking mechanism is designed for this purpose, as shown in fig. 7, the locking mechanism described in this embodiment includes a sleeve 38, a groove 62 uniformly distributed in an annular manner is formed in the sleeve 38, a bolt 63 is arranged in the groove 62, the right end of the bolt 63 is hinged in the groove 62 through a torsion spring, and an annular first step 64 is arranged at the right end of the sleeve 38; the outer side of the second cross shaft 8 is provided with a second step 65 corresponding to the first step 64, the left side of the second step is provided with evenly distributed insertion holes 66 corresponding to the pins 63, and the pins 63 are inserted into the insertion holes 66 in a matching manner when the sleeve 38 moves leftwards. When the second screw rod 41 is rotated before adjustment, the connecting rod 40 drives the sleeve 38 to move leftwards, the bolt 63 slides into the insertion hole 66 under the action of the torsion spring to limit the rotation of the second transverse shaft 8, then the bolt 63 continuously pushes the second transverse shaft to move leftwards along with the sleeve 38 to loosen the friction plate 34, after adjustment is completed, when the second screw rod 41 is reversed, the connecting rod 40 drives the sleeve 38 to move rightwards, the bolt 63 slides out of the insertion hole 66 under the drive of the sleeve 38, when the sleeve 38 continuously moves rightwards, the first step 64 is in contact with the second step 65, the sleeve 38 pushes the second transverse shaft 8 to move rightwards until the friction plates among the small sector gears 25 which are spliced are pressed tightly, and the design provides guarantee for the accuracy when the total central angle alpha after the small sector gears 25 are spliced.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a quick drilling equipment is used in machining with dust absorption function which characterized in that: the drilling machine comprises a box body (1), wherein a motor (2) with a bidirectional output shaft is arranged in the box body (1), the motor (2) is fixedly arranged at the top of the inner side of the box body (1), a first belt pulley (3) is arranged at one end of the motor (2), a drill bit movement mechanism (4) is arranged at the other end of the motor (2), a drill bit (5) is arranged below the drill bit movement mechanism (4), and the motor (2) drives the drill bit movement mechanism (4) to complete the main movement of the drill bit (5); a sector gear (6) is arranged on the outer side of the drill bit movement mechanism (4), and the sector gear (6) drives the drill bit movement mechanism (4) to complete the feeding movement of the drill bit (5); the sector gear (6) is arranged between a first transverse shaft (7) and a second transverse shaft (8), the first transverse shaft (7) and the second transverse shaft (8) are coaxially arranged in the box body (1), a second belt wheel (9) is arranged on the outer side of the first transverse shaft (7), the second belt wheel (9) and the first belt wheel (3) are in transmission through a belt (10), an integral moving mechanism (11) is arranged on the outer side of the sector gear (6), and the sector gear (6) drives the integral moving mechanism (11) to realize integral intermittent movement at equal intervals; a first through hole (12) is formed in the bottom of the box body (1) and located below the drill bit movement mechanism (4), a dust collector (13) is arranged on the inner side of the box body (1), a first dust suction pipe (14) is arranged on the dust collector (13), the first dust suction pipe (14) penetrates through the box body (1) and is fixedly mounted on the lower side of the box body (1), a dust suction opening (15) is formed in the tail end of the first dust suction pipe (14), the dust suction opening (15) is located below the outer side of the first through hole (12), a second dust suction pipe (16) is arranged on the outer side of the dust collector (13), the second dust suction pipe (16) is a coiled pipe capable of being shaped and bent at will, and a disc-shaped dust suction head (17) is arranged at the tail end of the second dust suction pipe (16); the top of the inner side of the box body (1) is provided with a storage battery (18), the top of the outer side of the box body (1) is provided with a switch (19), and the switch (19) is connected with the storage battery (18), the motor (2) and the dust collector (13) through a circuit;

the drill bit movement mechanism (4) comprises a bevel gear set (20), a driving gear of the bevel gear set (20) is installed on an output shaft of the motor (2), a driven gear of the bevel gear set (20) is installed on the outer side of the upper end of a telescopic vertical shaft (21) with an automatic reset function, the top of the upper end of the vertical shaft (21) is installed on the inner side of the top of the box body (1) through a bearing, the lower end of the vertical shaft (21) is fixedly connected with a drill chuck (22), a drill bit (5) is clamped in the drill chuck (22), a cylinder (23) is sleeved on the outer side of the middle of the vertical shaft (21), the cylinder (23) is rotatably connected with the vertical shaft (21), a rack (24) is embedded in the outer side of the cylinder (23), two side faces of the rack (24) are provided with vertical limiting plates (35), the limiting plates (35) are fixedly installed on the inner bottom face of the box body (1), and the sector gear (6) is meshed with the rack (24) in the rotating process;

the sector gear (6) is composed of a plurality of small sector gears (25) which are concentrically spliced, the total central angle of the sector gear (6) after splicing is alpha, the total central angle alpha can be adjusted and locked according to the hole pitch of the processed hole, and each small sector gear (25) can drive the whole moving mechanism (11) when the sector gear (6) rotates.

2. The quick drilling device with dust suction function for machining according to claim 1, characterized in that: the arc surface of the small sector gear (25) is a tooth surface (26), an arc-shaped sliding chute (27) concentric with the tooth surface (26) is arranged on the side surface of the small sector gear (25), a positioning column (28) is arranged on the outer side of the sliding chute (27), the positioning column (28) is inserted into the sliding chute (27) of another small sector gear (25) in a matched manner, a first blind hole (29) is formed in the center of one side surface of the small sector gear (25), a torsion spring (31) is arranged in the first blind hole (29), one end of the torsion spring (31) is fixedly connected with the blind hole (29), a cylinder (32) is arranged at the center of the other side surface of the small sector gear (25), a second blind hole (33) is formed in the outer side of the cylinder (32), and the other end of the torsion spring (31) is inserted into the second blind hole (33) of the adjacent small sector gear (25); install annular first friction disc (30) and second friction disc (34) between the little sector gear (25) of concatenation, first friction disc (30) fixed mounting is in the side that little sector gear (25) is equipped with cylinder (32), first friction disc (30) are coaxial with cylinder (32), second friction disc (34) fixed mounting is in the side that little sector gear (25) is equipped with first blind hole (29), second friction disc (34) are coaxial with first blind hole (29), cylinder (32) cooperation cartridge is in first blind hole (29) of adjacent little sector gear (25), little sector gear (25) in the outside after the concatenation respectively with first cross axle (7) and second cross axle (8) fixed connection, first cross axle (7) and second cross axle (8) are the telescopic shaft, stretch through first cross axle (7) and second cross axle (8) between little sector gear (25) and compress tightly first friction disc (30) and second friction disc (34) fixed relative position and transmission torque.

3. The quick drilling device with dust suction function for machining according to claim 2, characterized in that: the central angle of the small sector gears (25) is beta, the central angles beta of the small sector gears (25) are different, and only one small sector gear (25) can be meshed with the rack (24) of the drill bit movement mechanism (4) when the sector gears (6) rotate; the left end of the first transverse shaft (7) is fixedly connected with the rightmost small sector gear (25), the right end of the first transverse shaft (7) penetrates through the side wall of the box body (1), an adjusting mechanism is arranged between the side wall of the box body (1) and the first transverse shaft (7), a clamping plate (36) rotatably connected with the telescopic part of the first transverse shaft (7) is arranged on the telescopic part of the first transverse shaft (7), a first screw rod (37) rotatably connected with the clamping plate (36) is arranged on the other side of the clamping plate (36), and the first screw rod (37) is in threaded connection with the side wall of the box body (1); the right end of the second transverse shaft (8) is fixedly connected with the leftmost small sector gear (25), the left end of the second transverse shaft (8) is rotatably connected with the inner wall of the box body (1), a sleeve (38) is installed on the telescopic portion of the second transverse shaft (8), a locking mechanism is arranged between the sleeve (38) and the second rotary shaft (8), a connecting rod (40) fixedly connected with the sleeve (38) is installed on the outer side of the sleeve (38), a second screw rod (41) rotatably connected with the connecting rod (40) is arranged at the end of the connecting rod (40), and the second screw rod (41) is in threaded connection with the side wall of the box body (1).

4. The quick drilling device with dust suction function for machining according to claim 1, characterized in that: the integral moving mechanism (11) comprises a gear shaft (42), wherein first chain wheels (43) coaxial with the gear shaft are arranged at two ends of the gear shaft (42), second chain wheels (44) are arranged on the outer sides, located on the box body (1), of the lower sides of the first chain wheels (43), the first chain wheels (43) are connected with the second chain wheels (44) through chains (46), second through holes (45) are formed in the positions, corresponding to the chains (46), of the bottom of the box body (1), the second chain wheels (44) are installed at two ends of a rotating shaft (47), the rotating shaft (47) is installed at the bottom of the box body (1) through a bearing seat, a plurality of rollers (48) are installed in the middle of the rotating shaft (47), and the distance between the rollers (48) can be adjusted according to the width of a workpiece; the left and right sides of box (1) is equipped with first telescopic link (49) of vertically with it, the stiff end and the box fixed connection of first telescopic link (49), the expansion end fixed connection of first telescopic link (49) is in the upper end of perpendicular and vertical arrangement's second telescopic link (50) with it, the lower extreme of second telescopic link (50) is equipped with third telescopic link (51), the stiff end fixed connection of third telescopic link (51) is in the lower extreme of second telescopic link (50), the expansion end of third telescopic link (51) is located the downside of box (1), leading wheel (52) are equipped with to the expansion end of third telescopic link (51), middle part suit pipe (53) of second telescopic link (50), fourth telescopic link (54) is installed in the outside of pipe (53), the stiff end and pipe (53) fixed connection of fourth telescopic link (54), the expansion end installation universal wheel (55) of fourth telescopic link (54).

5. The quick drilling device with dust suction function for machining according to claim 3, characterized in that: adjustment mechanism including adjusting spanner (56), it is stand (57) to adjust spanner (56) head, stand (57) and handle (58) fixed connection, the back mark indicating mark (59) of stand (57) is carved to handle (58) correspondence, the lateral wall of box (1) corresponds the tip of first cross axle (7) and is equipped with angle scale (60), the tip that first cross axle (7) passed box (1) lateral wall corresponds stand (57) and is equipped with the regulation third blind hole (61) that the shape is the same, stand (57) can correspond the inside of inserting regulation third blind hole (61).

6. The quick drilling device with dust suction function for machining according to claim 3, characterized in that: the locking mechanism comprises a sleeve (38), grooves (62) are formed in the sleeve (38) in an annular and uniform distribution mode, a bolt (63) is arranged in each groove (62), the right end of each bolt (63) is hinged to the inside of each groove (62) through a torsion spring, and an annular first step (64) is arranged at the right end of the sleeve (38); the outer side of the second transverse shaft (8) is provided with a second step (65) matched with the first step (64) corresponding to the first step, the left side of the second step is provided with evenly distributed insertion holes (66) corresponding to the insertion pins (63), and the insertion pins (63) are matched and inserted into the insertion holes (66) when the sleeve (38) moves to the left.