CN117943586A - Columnar workpiece drilling device - Google Patents

Abstract

The application discloses a columnar workpiece drilling device, which relates to the field of workpiece processing, and comprises a machine body, wherein a bearing plate is arranged on the machine body, a tool assembly for clamping and fixing a columnar workpiece is arranged on the bearing plate, the tool assembly clamps the columnar workpiece to be horizontal, a processing part of the columnar workpiece is positioned at the upper side, the columnar workpiece is erected on the bearing plate, a first drill rod is arranged above the tool assembly, and a second drill rod is arranged on the side edge of the machine body, which is positioned on the tool assembly; the machine body is provided with a rotating assembly for driving the columnar workpiece to rotate 180 degrees, the lower part of the supporting plate, which is located on the columnar workpiece, is provided with a chip removing barrel in a lifting mode, the number of the chip removing barrels is the same as that of the first drilling holes and corresponds to that of the first drilling holes one by one, the chip removing barrels and the first drilling holes are inserted and matched in a sliding mode, and a plurality of chip removing hooks are arranged on the chip removing barrels. The application realizes the cleaning of the scraps in the first drilling hole.

Description

Columnar workpiece drilling device

Technical Field

The application relates to the field of workpiece machining, in particular to a columnar workpiece drilling device.

Background

Referring to fig. 1, a cylindrical workpiece is currently present, and has a larger volume, including a cylindrical portion 30 and a chassis portion 40, a processing portion 301 is formed on the cylindrical portion 30, a plurality of first drill holes 302 are formed on the cylindrical portion 30 located on the processing portion 301, all the first drill holes 302 are distributed along the length direction of the cylindrical portion 30, the first drill holes 302 do not penetrate through the cylindrical portion 30, a plurality of second drill holes 401 are formed on the chassis portion 40 in a circumferential direction, the second drill holes 401 are penetrating holes, and the cross section of the cylindrical portion 30 is non-circular.

Above-mentioned columnar work piece is preliminary shaping back, needs to carry out machine-shaping to first drilling and second drilling, can utilize drilling equipment, utilizes the drill bit to carry out shaping to first drilling and second drilling, but because first drilling non-through hole, consequently after first drilling shaping, its inside can remain the sweeps, is difficult to clear up. It is conventional practice for workers to utilize an air gun to remove cuttings from the first borehole after the workpiece has been drilled.

That is, most of the existing drilling equipment can only perform drilling operation, and the problem of residue of waste scraps in the first drilling can not be solved, so that improvement exists.

Disclosure of Invention

In order to clean scraps in a first drilling hole, the application provides a cylindrical workpiece drilling device.

The application provides a columnar workpiece drilling device, which adopts the following technical scheme:

The cylindrical workpiece drilling device comprises a machine body, wherein a bearing plate is arranged on the machine body, a tool assembly for clamping and fixing a cylindrical workpiece is arranged on the bearing plate, the tool assembly clamps the cylindrical workpiece to be horizontal, a processing part of the cylindrical workpiece is positioned at the upper side, the cylindrical workpiece is arranged on the bearing plate in an erect mode, a first drill rod is arranged above the machine body positioned on the tool assembly, and a second drill rod is arranged on the side edge of the machine body positioned on the tool assembly; the machine body is provided with a rotating assembly for driving the columnar workpiece to rotate 180 degrees, chip removing cylinders are arranged below the columnar workpiece in a lifting manner, the number of the chip removing cylinders is the same as that of the first drilling holes and corresponds to that of the first drilling holes one by one, the chip removing cylinders are in inserted sliding fit with the first drilling holes, and a plurality of chip removing hooks are arranged on the chip removing cylinders; the chip removing device comprises a chip removing barrel, a chip removing hook, a chip removing wheel and a chip removing wheel, wherein the chip removing barrel is rotatably connected with the upper end of the chip removing barrel, the chip removing wheel is circumferentially provided with the chip removing hooks, the chip removing barrel is provided with a driving piece for driving the chip removing wheel to rotate, and the rotation axis of the chip removing wheel is horizontal and tangential to the outer peripheral side of the chip removing barrel; the driving piece is arranged as a driving wheel, the driving wheel is a friction wheel, a plurality of driving wheels are arranged corresponding to the number of the chip removing wheels and correspond to the chip removing wheels one by one, the driving wheel is rotationally connected to the chip removing cylinder, a friction part is formed on the chip removing wheels, and the driving wheel is abutted to the friction part of the chip removing wheels; when the chip removing cylinder ascends into the first drilling hole, the driving wheel rolls on the inner wall of the first drilling hole; the chip removing machine comprises a chip removing cylinder, a chip removing wheel, a driving wheel, a plurality of mounting holes, a first vent hole, a second vent hole and a first vent hole, wherein the plurality of mounting holes are formed in the upper side of the chip removing cylinder, the circumference of the mounting holes is arrayed on the upper side of the chip removing cylinder, the number of the mounting holes is consistent with that of the chip removing wheels and corresponds to that of the chip removing wheels one by one, the chip removing cylinder is positioned in the mounting holes and is provided with a first mounting shaft and a second mounting shaft, the first mounting shaft is positioned on the upper side of the second mounting shaft, the chip removing wheels are sleeved on the first mounting shaft to form a running fit, the driving wheel is rotationally connected to the second mounting shaft, the first mounting shaft is internally provided with the first vent hole in a penetrating mode along the length direction of the first mounting shaft, the first vent hole is communicated with the first vent hole, and the second vent hole is arranged along the radial direction of the chip removing wheels and faces the chip removing cylinder; communication holes are formed in the chip removing cylinder and located between the two mounting openings, and the communication holes are communicated with two adjacent first vent holes; a plurality of third air holes are formed in the chip removing wheel, the third air holes are arranged along the radial direction of the chip removing wheel, the number of the third air holes is the same as that of the chip removing hooks and corresponds to that of the chip removing hooks one by one, fourth air holes are formed in the chip removing hooks, and the third air holes are always communicated with the fourth air holes; the surface of the chip removing hook is integrally formed with a plurality of hooking protrusions, the hooking protrusions are provided with air outlet holes, the air outlet holes face the end parts of the chip removing hook, and the air outlet holes are communicated with the fourth air holes; in the rotation process of the chip removing wheel, the second ventilation holes are sequentially communicated with all the third ventilation holes; the chip removing cylinder is provided with an air inlet hole, the air inlet hole is arranged along the length direction of the chip removing cylinder, the upper end of the air inlet hole is communicated with the communication hole, and the lower end of the air inlet hole is communicated with an external air source through an air pipe.

By adopting the technical scheme, the columnar workpiece is clamped and fixed on the tool assembly, so that the columnar workpiece is horizontal, the processing part is positioned on the upper side, the first drilling holes are sequentially formed into first drilling holes, after all the first drilling holes are formed, the rotating assembly drives the columnar workpiece to rotate 180 degrees, and then the second drilling holes are sequentially formed into second drilling holes; after the columnar workpiece rotates 180 degrees, all the first drilling holes face, the chip removing barrel ascends and is in plug-in connection with the corresponding first drilling holes, in the process, the chip removing hooks are hooked with the scraps in the first drilling holes, and finally, the scraps are removed from the first drilling holes, so that the subsequent chip removing work for the columnar workpiece is not needed, and the efficiency is higher; when the chip removing cylinder ascends and enters the first drilling hole, the chip removing wheel rotates, all the chip removing hooks can continuously rotate and hook the waste chips when the chip removing wheel rotates, and when the chip removing hooks on the chip removing wheel rotate to the inner side of the chip removing cylinder, the waste chips can fall into the chip removing cylinder, so that the waste chips in the first drilling hole can be cleaned; when the chip removing cylinder ascends into the first drilling hole, the driving wheel is contacted with the inner wall of the first drilling hole, the driving wheel rolls along the inner wall of the first drilling hole in the ascending process of the chip removing cylinder, and the chip removing wheel rotates at the moment due to the abutting of the friction part of the driving wheel and the chip removing wheel, so that the chip removing hook rotates along with the chip removing wheel, and waste chips in the first drilling hole are cleaned; when the chip removing barrel enters the first drilling hole to remove chips, an external air source ventilates into the air pipe, air enters the communication hole from the air inlet hole and enters the first ventilation hole, the second ventilation hole is communicated with the third ventilation hole in the chip removing barrel rotating process, and when the second ventilation hole is communicated with the third ventilation hole, air enters the fourth ventilation hole and is discharged from the air outlet hole, and at the moment, the air blows to the chips on the surface of the chip removing hook, so that the chips are separated from the chip removing hook and fall into the chip removing barrel, more chips are prevented from being hooked on the chip removing hook, and the continuous chip removing capacity of the chip removing hook is influenced.

Preferably, the tool assembly comprises a supporting block and a pressing block, wherein the two supporting blocks are arranged on the supporting plate at intervals, the pressing block is provided with two pressing blocks and corresponds to the two supporting blocks one by one, the pressing block is arranged above the corresponding supporting block in a lifting mode, a first semicircular arc groove with an upward opening is formed in the upper side of the supporting block, a second semicircular arc groove with a downward opening is formed in the lower side of the pressing block, and when the pressing block descends and is abutted to the supporting block, the second semicircular arc groove and the second semicircular arc groove are combined to form a clamping gap for clamping and fixing the columnar workpiece.

Through adopting above-mentioned technical scheme, the pressfitting piece rises and the separation of bearing piece, places the column work piece on two bearing pieces, and two pressfitting pieces descend afterwards, compress tightly on the bearing piece, and the centre gripping clearance is fixed the column work piece centre gripping, can realize the fixed to column work piece.

Preferably, the rotating assembly comprises a rotating cylinder and a positioning block, the positioning block is located on one side, far away from the second drill rod, of the two bearing blocks, a positioning groove spliced with the columnar portion of the columnar workpiece is formed in the positioning block, the shape of the positioning groove is matched with the cross section shape of the columnar portion, the rotating cylinder is arranged on the bearing plate, and a rotating shaft of the rotating cylinder is connected with the positioning block.

By adopting the technical scheme, after the first drilling is finished, the pressing block ascends, and the rotary cylinder drives the positioning block to rotate 180 degrees at the moment, and the positioning groove on the positioning block is matched with the section of the columnar workpiece, and the section is non-circular, so that the positioning block can drive the columnar workpiece to rotate 180 degrees when rotating; and the positioning groove of the positioning block is matched with the columnar workpiece in an inserting way, so that the columnar workpiece can be positioned, and the processing part can be conveniently oriented upwards.

Preferably, the mounting groove is formed in the bearing plate, a plurality of compression springs are arranged in the mounting groove, the compression springs are vertically arranged, the upper ends of all the compression springs are connected with mounting seats, and the rotary cylinder is mounted on the mounting seats.

Through adopting above-mentioned technical scheme, when pegging graft the constant head tank of columnar workpiece and locating piece, under compression spring's effect this moment, columnar workpiece can not with the first semicircle groove butt of support piece, when the pressfitting piece descends, drive columnar workpiece pressfitting on the support piece, realize fixed centre gripping to columnar workpiece, after first drilling shaping, the pressfitting piece rises, under compression spring's effect, columnar workpiece can upwards float certain distance, with the support piece separation, revolving cylinder moves this moment, drive columnar workpiece rotatory 180 degrees, this in-process, columnar workpiece need not the support piece contact, in its rotatory in-process can not produce friction damage with the support piece between.

Preferably, the lifting plate is arranged on the supporting plate in a lifting manner, all the chip removing cylinders are arranged on the lifting plate, the chip removing cylinders are arranged vertically, the driving air cylinders are arranged on the supporting plate and are arranged vertically upwards, and the piston rods of the driving air cylinders are connected with the lower side of the lifting plate.

Through adopting above-mentioned technical scheme, operation drive cylinder, the piston rod is flexible, can realize the elevating movement of lifter plate, and then realizes the elevating movement of removing bits section of thick bamboo.

Preferably, the lifting plate is provided with a plurality of buffer springs, the buffer springs are vertically upwards arranged, the upper ends of all the buffer springs are connected with a connecting plate, and all the chip removing cylinders are arranged on the connecting plate.

Through adopting above-mentioned technical scheme, when driving cylinder drive lifter plate risen, the lifter plate passes through buffer spring and drives the connecting plate and rise, realizes the elevating movement of a chip removal section of thick bamboo, and this in-process, if chip removal wheel rotates in-process and after the sweeps contact in the first drilling, the chip removal wheel has great resistance, when can not standing the horse with the sweeps clear away, can play the cushioning effect this moment under buffer spring's effect for the sweeps take place to cut on the inner wall of first drilling and rub, lead to the inner wall of first drilling to appear damaging.

Preferably, the chip removing cylinders penetrate through the connecting plate, a plurality of guide holes are formed in the lifting plate, the number of the guide holes corresponds to that of the chip removing cylinders one by one, and the chip removing cylinders are in plug-in connection with the corresponding guide holes.

Through adopting above-mentioned technical scheme, at lifter plate in-process that rises, because the connecting plate passes through buffer spring and lifter plate to be connected, consequently can exist the unstable phenomenon of connecting plate, can lead to removing bits section of thick bamboo and first drilling and can not peg graft smoothly, utilize the cooperation of pegging graft of guiding hole and removing bits section of thick bamboo, can improve the stability of removing bits section of thick bamboo, and then guarantee to remove bits section of thick bamboo and first drilling and peg graft smoothly.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after the cylindrical workpiece is clamped and fixed by the tool assembly, a first drill rod forms a first drilling hole, after the first drilling hole is formed, the rotary assembly drives the cylindrical workpiece to rotate 180 degrees, a second drill rod forms a second drilling hole again, in the process, the chip removing cylinder ascends and is in plug-in connection with the first drilling hole, and the chip removing hook is hooked with the scraps in the first drilling hole to clean the scraps in the first drilling hole;

2. By means of the cooperation between the driving wheel and the inner wall of the first drilling hole, the driving wheel rotates to drive the chip removing wheel to rotate, and the chip removing hook rotates along with the chip removing wheel, so that the cleaning efficiency of waste chips in the first drilling hole is improved;

3. when the chip removing barrel enters the first drilling hole to remove chips, an external air source ventilates into the air pipe, air enters the communication hole from the air inlet hole and enters the first ventilation hole, in the chip removing barrel rotating process, the second ventilation hole is communicated with the third ventilation hole, and when the chip removing barrel rotates, the air enters the seventh ventilation hole and is discharged from the air outlet hole, and at the moment, the air blows to the chips on the surface of the chip removing hook, so that the chips are separated from the chip removing hook and fall into the chip removing barrel, more chips are prevented from being hooked on the chip removing hook, and the continuous chip removing capacity of the chip removing hook is influenced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a columnar workpiece according to the related art;

FIG. 2 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 3 is a schematic view of the overall structure of the chip removing cartridge according to the embodiment of the present application;

FIG. 4 is a schematic view of a portion of a structure of an embodiment of the present application, mainly illustrating the structure of a rotating assembly;

FIG. 5 is a cross-sectional view of a chip removing cartridge according to an embodiment of the present application, mainly showing the structure of a first vent hole and a communication hole;

FIG. 6 is a cross-sectional view of the chip removing wheel according to the embodiment of the present application, mainly showing the structures of the second vent hole and the fourth vent hole;

Fig. 7 is a schematic view of a part of the structure of an embodiment of the present application, which mainly shows the structure of a lifting plate.

Reference numerals: 1. a body; 11. a first drill pipe; 12. a second drill rod; 2. a bearing plate; 21. lifting a cylinder; 22. a mounting groove; 23. a compression spring; 24. a mounting base; 25. a driving cylinder; 26. a chip collecting box; 3. a tooling assembly; 31. a support block; 311. a first semicircular arc groove; 32. pressing the block; 321. a second semicircular groove; 4. a clamping gap; 5. a rotating assembly; 51. a rotary cylinder; 52. a positioning block; 521. a positioning groove; 6. a chip removing cylinder; 61. a chip removing hook; 611. fourth air holes; 62. a mounting port; 63. a first mounting shaft; 631. a first vent hole; 632. a second vent hole; 64. a second mounting shaft; 65. a communication hole; 66. an air inlet hole; 7. a chip removing wheel; 71. a friction part; 72. a third vent hole; 8. a driving wheel; 9. hooking the bulge; 91. an air outlet hole; 10. a lifting plate; 101. a buffer spring; 102. a guide hole; 20. a connecting plate; 30. a columnar portion; 301. a processing section; 302. a first borehole; 40. a chassis part; 401. and (5) a second drilling hole.

Detailed Description

The application is described in further detail below with reference to fig. 2-7.

The embodiment of the application discloses a columnar workpiece drilling device.

Referring to fig. 2, the cylindrical workpiece drilling device comprises a machine body 1, wherein a bearing plate 2 is mounted on the machine body 1, a tool assembly 3 for clamping and fixing the cylindrical workpiece is arranged on the bearing plate 2, the tool assembly 3 enables the cylindrical workpiece to be horizontal, and a machining part 301 of the cylindrical workpiece is positioned on the upper side; the columnar workpiece is erected on the bearing plate 2, the first drill rod 11 is installed above the tool assembly 3 by the machine body 1, the second drill rod 12 is installed on the side edge of the tool assembly 3 by the machine body 1, the first drill rod 11 and the second drill rod 12 can move at multiple angles, the driving mode is a traditional cross sliding table, redundant description is omitted here, and the driving mode is not shown in the drawing.

The tooling assembly 3 comprises two bearing blocks 31 and pressing blocks 32, wherein the two bearing blocks 31 and the pressing blocks 32 are respectively arranged on the bearing plate 2 at intervals, the two pressing blocks 32 and the two bearing blocks 31 are in one-to-one correspondence, the pressing blocks 32 are arranged above the corresponding bearing blocks 31 in a lifting mode, first semicircular arc grooves 311 with upward openings are formed in the bearing blocks 31, second semicircular arc grooves 321 with downward openings are formed in the pressing blocks 32, and when the pressing blocks 32 are pressed on the bearing blocks 31, the first semicircular arc grooves 311 and the second semicircular arc grooves 321 are combined to form clamping gaps 4 for clamping and fixing columnar workpieces. The lifting air cylinders 21 are respectively arranged on two sides of the supporting plate 2, which are located on the supporting blocks 31, the lifting air cylinders 21 are vertically upwards arranged, and the end parts of piston rods of the lifting air cylinders 21 are connected with the pressing blocks 32.

The columnar workpieces are placed on the two bearing blocks 31, the lifting cylinder 21 operates to drive the pressing block 32 to descend and press on the bearing blocks 31, so that the columnar workpieces are clamped and fixed.

Referring to fig. 2 and 3, a rotating assembly 5 for driving the columnar workpiece to rotate 180 degrees is arranged on the machine body 1, chip removing cylinders 6 are arranged under the columnar workpiece in a lifting manner, the number of the chip removing cylinders 6 is the same as that of the first drilling holes 302 and corresponds to that of the first drilling holes one by one, and a plurality of chip removing hooks 61 are arranged on the chip removing cylinders 6; after the first drilling 302 is machined and molded, the rotating assembly 5 drives the columnar workpiece to rotate 180 degrees, the chip removing cylinder 6 ascends to be in plug-in fit with the corresponding first drilling 302, and internal scraps are removed by the chip removing hooks 61.

Referring to fig. 2 and 4, a mounting groove 22 is formed in the side, far away from the second drill rod 12, of the two support blocks 31 on the support plate 2, a plurality of compression springs 23 are mounted in the mounting groove 22 of the support plate 2, the compression springs 23 are vertically arranged, and mounting seats 24 are connected to the upper sides of all the compression springs 23; the rotating assembly 5 comprises a rotating cylinder 51 and a positioning block 52, the rotating cylinder 51 is installed on the installation seat 24, the positioning block 52 is installed on the rotating shaft of the rotating cylinder 51, the positioning block 52 is provided with a positioning groove 521, and the shape of the positioning groove 521 is matched with the section shape of the columnar part 30.

In practice, the columnar workpiece is firstly matched with the positioning groove 521 of the positioning block 52 in an inserting manner, the columnar workpiece is not abutted against the supporting block 31 at the moment under the action of the compression spring 23, and then the pressing block 32 moves downwards to drive the columnar workpiece to be clamped on the supporting block 31; after the first drilling 302 is formed, the pressing block 32 is lifted, under the action of the compression spring 23, the mounting seat 24 is lifted in a floating manner, that is, the positioning block 52 drives the columnar workpiece to lift a certain distance, so that the columnar workpiece and the supporting block 31 are separated, and then the rotary cylinder 51 is operated to drive the columnar workpiece to rotate 180 degrees.

Referring to fig. 2 and 3, a plurality of mounting openings 62 are formed in the upper side of the chip removing cylinder 6, all the mounting openings 62 are circumferentially arrayed on the upper side of the chip removing cylinder 6, the chip removing cylinder 6 is positioned in all the mounting openings 62, a first mounting shaft 63 and a second mounting shaft 64 are mounted in all the mounting openings 62, and the first mounting shaft 63 is positioned on the upper side of the second mounting shaft 64; the first mounting shaft 63 is sleeved with a chip removing wheel 7, the chip removing wheel 7 is in running fit with the first mounting shaft 63, a plurality of chip removing hooks 61 are mounted on the chip removing wheel 7, the chip removing hooks 61 are circumferentially arrayed on the periphery of the chip removing wheel 7, and the rotation axis of the chip removing wheel 7 is horizontal and tangential to the periphery of the chip removing cylinder 6; the chip removing barrel 6 is provided with a driving piece for driving the chip removing wheels 7 to rotate, the driving piece is set to be driving wheels 8, the driving wheels 8 are friction wheels, the number of the driving wheels 8 is the same as that of the chip removing wheels 7 and corresponds to that of the chip removing wheels 7 one by one, the driving wheels 8 are rotationally connected to the second mounting shaft 64, friction parts 71 are further formed on the chip removing wheels 7, the driving wheels 8 are abutted to the friction parts 71 of the chip removing wheels 7, and the diameter of the driving wheels 8 is larger than that of the chip removing wheels 7.

When the chip removing barrel 6 ascends into the first drilling hole 302, the driving wheel 8 is in contact with the inner wall of the first drilling hole 302, and in the ascending process, the driving wheel 8 rolls on the inner wall of the first drilling hole 302 to drive the chip removing wheel 7 to rotate, all the chip removing hooks 61 are driven to rotate in the rotating process of the chip removing wheel 7, the chip removing hooks 61 are continuously hooked with the chips in the first drilling hole 302 in the rotating process, and when the chip removing hooks 61 rotate to the inner side of the chip removing barrel 6, the chips fall into the chip removing barrel 6, so that the chips in the first drilling hole 302 are cleaned.

Referring to fig. 3, 5 and 6, a first vent hole 631 is formed in the first mounting shaft 63 in a penetrating manner along the length direction thereof, a second vent hole 632 is formed in the first mounting shaft 63, the second vent hole 632 is communicated with the first vent hole 631, the length direction of the second vent hole 632 is perpendicular to the length direction of the first vent hole 631, the second vent hole 632 faces the inner side of the chip removing cylinder 6, and the second vent hole 632 is arranged along the radial direction of the chip removing wheel 7; the chip removing cylinder 6 is provided with communication holes 65 between the adjacent mounting openings 62, and both ends of the communication holes 65 are communicated with the front and rear first ventilation holes 631, i.e. all the communication holes 65 and all the first ventilation holes 631 form annular air passages.

The chip removing wheel 7 is provided with a plurality of third air holes 72, the third air holes 72 are arranged along the radial direction of the chip removing wheel 7, the number of the third air holes 72 is the same as and corresponds to the number of the chip removing hooks 61 one by one, the chip removing hooks 61 are provided with fourth air holes 611 along the length direction of the chip removing hooks, the third air holes 72 are always communicated with the fourth air holes 611, the surface of the chip removing hooks 61 is integrally formed with a plurality of hooking protrusions 9, the hooking protrusions 9 are provided with air outlet holes 91, the air outlet holes 91 face the end parts of the chip removing hooks 61, and the air outlet holes 91 are communicated with the fourth air holes 611; during the rotation of the chip removing wheel 7, the second ventilation holes 632 are sequentially communicated with the third ventilation holes 72; the chip removing cylinder 6 is provided with an air inlet hole 66, the air inlet hole 66 is arranged along the length direction of the chip removing cylinder 6, the upper end of the air inlet hole 66 is communicated with the communication hole 65, and the lower end of the air inlet hole 66 is communicated with an external air source through an air pipe.

When the chip removing wheel 7 rotates and the chip removing hook 61 performs chip removing operation, an external air source enters the air inlet hole 66 and enters the first vent hole 631 from the communication hole 65, in the rotation process of the chip removing wheel 7, when the second vent hole 632 and the third vent hole 72 are communicated, air enters the second vent hole 632 and the third vent hole 72 from the first vent hole 631, and then is sprayed out from the air outlet hole 91 to blow the waste chip on the chip removing hook 61, the waste chip is blown into the chip removing barrel 6, and the waste chip is separated from the chip removing hook 61, so that the continuous chip removing capability of the chip removing hook 61 is guaranteed.

Referring to fig. 2 and 7, a lifting plate 10 is arranged on the supporting plate 2 in a lifting manner, two driving air cylinders 25 are arranged on the supporting plate 2 at intervals, the driving air cylinders 25 are vertically upwards arranged, the end parts of piston rods of the two driving air cylinders 25 are connected with the lifting plate 10, a plurality of buffer springs 101 are arranged on the lifting plate 10, the buffer springs 101 are vertically arranged, the upper ends of all the buffer springs 101 are connected with a connecting plate 20, and all the chip removing cylinders 6 are arranged on the connecting plate 20 along the vertical direction; the lower end of the chip removing cylinder 6 penetrates through the connecting plate 20, a plurality of guide holes 102 are formed in the lifting plate 10, the number of the guide holes 102 is the same as that of the chip removing cylinders 6 and corresponds to that of the chip removing cylinders 6 one by one, and the lower end of the chip removing cylinders 6 is in plug-in fit with the guide holes 102; below the carrier plate 2 is placed a chip collection bin 26 below the lifter plate 10.

The driving cylinder 25 is operated, under the telescopic action of the piston rod, the lifting plate 10 moves up and down, the lifting plate 10 drives the connecting plate 20 to lift through the buffer spring 101, so that the chip removing cylinder 6 is lifted, in the process, if the chip removing wheel 7 has larger resistance after contacting with the chips in the first drilling hole 302 in the rotation process of the chip removing wheel 7, when the horses cannot clean the chips, the buffer effect can be realized under the action of the buffer spring 101, the speed is prevented from being too high, and the chips are scraped and rubbed on the inner wall of the first drilling hole 302, so that the inner wall of the first drilling hole 302 is damaged; in addition, in the lifting plate 10 lifting process, since the connecting plate 20 is connected with the lifting plate 10 through the buffer spring 101, the phenomenon that the connecting plate 20 is unstable can exist, so that the chip removing barrel 6 and the first drilling 302 cannot be smoothly inserted, the stability of the chip removing barrel 6 can be improved by utilizing the insertion fit of the guide hole 102 and the chip removing barrel 6, and the smooth insertion of the chip removing barrel 6 and the first drilling 302 is further ensured.

The implementation principle of the columnar workpiece drilling device provided by the embodiment of the application is as follows: inserting the columnar workpiece and the positioning block 52, then lifting the air cylinder 21 to drive the pressing block 32 to descend, pressing and clamping the columnar workpiece on the bearing block 31, and sequentially forming the first drilling holes 302 under the action of the first drill rod 11; after the first drilling 302 is processed, the pressing block 32 is lifted, under the action of the compression spring 23, the positioning block 52 drives the columnar workpiece to float and separate from the supporting block 31, at the moment, the rotary cylinder 51 is operated to drive the columnar workpiece to rotate 180 degrees, the first drilling 302 faces vertically downwards, the pressing block 32 presses the columnar workpiece on the supporting block 31, and the second drilling 401 can be molded under the action of the second drill rod 12; simultaneously, lifting plate 10 rises, drive and remove in a bits section of thick bamboo 6 gets into first drilling 302, the inner wall rolling fit of drive wheel 8 and first drilling 302 takes place to rotate, drive and remove bits wheel 7 and rotate, all remove bits hook 61 and can take place to rotate promptly, remove bits hook 61 and rotate the in-process, and when removing bits hook 61 and rotate to remove in a bits section of thick bamboo 6, second ventilation hole 632 and third ventilation hole 72 communicate, gas is spouted from venthole 91, can blow away the sweeps from removing bits hook 61, and fall into in the bits section of thick bamboo 6, fall into album bits case 26 from removing bits section of thick bamboo 6, realize the clearance to the sweeps in the first drilling 302.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (7)

1. A columnar workpiece drilling device is characterized in that: the device comprises a machine body (1), wherein a supporting plate (2) is arranged on the machine body (1), a tool assembly (3) for clamping and fixing a columnar workpiece is arranged on the supporting plate (2), the tool assembly (3) clamps the columnar workpiece to be horizontal, a machining part (301) of the columnar workpiece is arranged on the upper side, the columnar workpiece is arranged on the supporting plate (2) in an erected mode, a first drill rod (11) is arranged above the tool assembly (3) in the machine body (1), and a second drill rod (12) is arranged on the side edge of the tool assembly (3) in the machine body (1); the machine body (1) is provided with a rotating assembly (5) for driving the columnar workpiece to rotate 180 degrees, chip removing barrels (6) are arranged below the columnar workpiece in a lifting mode, the number of the chip removing barrels (6) is the same as that of the first drilling holes (302) and corresponds to that of the first drilling holes one by one, the chip removing barrels (6) are in splicing sliding fit with the first drilling holes (302), and a plurality of chip removing hooks (61) are arranged on the chip removing barrels (6); the chip removing device is characterized in that the upper end of the chip removing barrel (6) is rotationally connected with a plurality of chip removing wheels (7), a plurality of chip removing hooks (61) are arranged on the circumference of the chip removing wheels (7), a driving piece for driving the chip removing wheels (7) to rotate is arranged on the chip removing barrel (6), and the rotation axis of the chip removing wheels (7) is horizontal and tangential to the outer circumferential side of the chip removing barrel (6); the driving piece is arranged as a driving wheel (8), the driving wheel (8) is a friction wheel, a plurality of driving wheels (8) are arranged corresponding to the number of the chip removing wheels (7) and are in one-to-one correspondence with the chip removing wheels (7), the driving wheel (8) is rotationally connected to the chip removing cylinder (6), a friction part (71) is formed on the chip removing wheels (7), and the driving wheel (8) is abutted with the friction part (71) of the chip removing wheels (7); when the chip removing cylinder (6) ascends into the first drilling hole (302), the driving wheel (8) rolls on the inner wall of the first drilling hole (302); a plurality of mounting openings (62) are formed in the upper side of the chip removing barrel (6), all the mounting openings (62) are circumferentially arrayed on the upper side of the chip removing barrel (6), the number of the mounting openings (62) is consistent with that of the chip removing wheels (7) and corresponds to that of the chip removing wheels one by one, the chip removing barrel (6) is arranged in the mounting openings (62) and is provided with a first mounting shaft (63) and a second mounting shaft (64), the first mounting shaft (63) is arranged on the upper side of the second mounting shaft (64), the chip removing wheels (7) are sleeved on the first mounting shaft (63) to form a rotating fit, the driving wheels (8) are connected to the second mounting shaft (64) in a rotating mode, first vent holes (631) are formed in the first mounting shaft (63) in a penetrating mode along the length direction of the first mounting shaft, second vent holes (632) are formed in the first mounting shaft (63), the second vent holes (632) are communicated with the first vent holes (631), and the second vent holes (632) are formed in the first vent holes (632) along the first mounting shaft (7) and face the chip removing barrel (6); the chip removing cylinders (6) are positioned between adjacent mounting ports (62) and are provided with communication holes (65), and the communication holes (65) are communicated with two adjacent first vent holes (631); a plurality of third air holes (72) are formed in the chip removing wheel (7), the third air holes (72) are arranged along the radial direction of the chip removing wheel (7), the number of the third air holes (72) is the same as the number of the chip removing hooks (61) and corresponds to the number of the chip removing hooks one by one, fourth air holes (611) are formed in the chip removing hooks (61), and the third air holes (72) are always communicated with the fourth air holes (611); the surface of the chip removing hook (61) is integrally formed with a plurality of hooking protrusions (91), the hooking protrusions (91) are provided with air outlet holes (91), the air outlet holes (91) face the end parts of the chip removing hook (61), and the air outlet holes (91) are communicated with fourth air holes (611); in the rotating process of the chip removing wheel (7), the second ventilation holes (632) are sequentially communicated with all the third ventilation holes (72); the chip removing cylinder (6) is provided with an air inlet hole (66), the air inlet hole (66) is arranged along the length direction of the chip removing cylinder (6), the upper end of the air inlet hole (66) is communicated with the communication hole (65), and the lower end of the air inlet hole (66) is communicated with an external air source through an air pipe.

2. A cylindrical workpiece drilling apparatus as defined in claim 1, wherein: the tool assembly (3) comprises bearing blocks (31) and pressing blocks (32), wherein the bearing blocks (31) are arranged on the bearing plates (2) at intervals, the pressing blocks (32) are arranged in a one-to-one correspondence mode with the two bearing blocks (31), the pressing blocks (32) are arranged above the corresponding bearing blocks (31) in a lifting mode, first semicircular arc grooves (311) with upward openings are formed in the upper sides of the bearing blocks (31), second semicircular arc grooves (321) with downward openings are formed in the lower sides of the pressing blocks (32), and when the pressing blocks (32) descend and the bearing blocks (31) are in butt joint, the second semicircular arc grooves (321) and the second semicircular arc grooves (321) are combined to form clamping gaps (4) for clamping and fixing columnar workpieces.

3. A cylindrical workpiece drilling apparatus as claimed in claim 2, wherein: the rotary assembly (5) comprises a rotary air cylinder (51) and a positioning block (52), the positioning block (52) is located on one side, far away from the second drill rod (12), of the two supporting blocks (31), a positioning groove (521) which is spliced with the columnar part (30) of the columnar workpiece is formed in the positioning block (52), the shape of the positioning groove (521) is matched with the cross-section shape of the columnar part, the rotary air cylinder (51) is arranged on the supporting plate (2), and a rotating shaft of the rotary air cylinder (51) is connected with the positioning block (52).

4. A cylindrical workpiece drilling apparatus as claimed in claim 3, wherein: the bearing plate (2) is provided with a mounting groove (22), a plurality of compression springs (23) are arranged in the mounting groove (22), the compression springs (23) are vertically arranged, the upper ends of all the compression springs (23) are connected with mounting seats (24), and the rotary air cylinders (51) are mounted on the mounting seats (24).

5. A cylindrical workpiece drilling apparatus as defined in claim 1, wherein: the chip removing machine is characterized in that a lifting plate (10) is arranged on the supporting plate (2) in a lifting manner, all chip removing cylinders (6) are arranged on the lifting plate (10), the chip removing cylinders (6) are arranged vertically, driving air cylinders (25) are arranged on the supporting plate (2), the driving air cylinders (25) are arranged vertically upwards, and piston rods of the driving air cylinders (25) are connected with the lower side of the lifting plate (10).

6. A cylindrical workpiece drilling apparatus as defined in claim 5, wherein: be provided with a plurality of buffer springs (101) on lifter plate (10), buffer springs (101) are vertical upwards setting, all the upper end of buffer springs (101) is connected with connecting plate (20), all remove bits section of thick bamboo (6) all set up on connecting plate (20).

7. A cylindrical workpiece drilling apparatus as defined in claim 6, wherein: the chip removing cylinders (6) penetrate through the connecting plate (20), a plurality of guide holes (102) are formed in the lifting plate (10), the number of the guide holes (102) corresponds to the chip removing cylinders (6) one by one, and the chip removing cylinders (6) are in plug-in connection with the corresponding guide holes (102).