CN115255439A - Portable automatic drilling device and method thereof - Google Patents
Portable automatic drilling device and method thereof Download PDFInfo
- Publication number
- CN115255439A CN115255439A CN202210919648.3A CN202210919648A CN115255439A CN 115255439 A CN115255439 A CN 115255439A CN 202210919648 A CN202210919648 A CN 202210919648A CN 115255439 A CN115255439 A CN 115255439A
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- Prior art keywords
- drilling
- main shaft
- drill
- unit
- feeding
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
- B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
- B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
Abstract
The invention belongs to the field of processing equipment, and provides a portable automatic drilling device and a method thereof. The automatic drilling unit comprises a main shaft unit, a drilling unit and a drilling unit, wherein the main shaft unit comprises a main shaft motor, a main shaft transmission device and a drilling main shaft; the feeding unit is connected with the main shaft unit and used for driving the main shaft unit to enable the drilling main shaft to move in the axial direction of the drilling main shaft; the control unit is used for controlling and monitoring the operation parameters of the spindle motor and the feeding unit and comprises a control device and a human-computer interaction device; and the drill body frame is used for mounting the main shaft unit and the feeding unit. The semi-automatic drilling equipment can be used for processing laminated parts consisting of metal and composite materials and has a good processing effect.
Description
Technical Field
The invention relates to the field of processing equipment, in particular to a portable automatic drilling device and a method thereof.
Background
The lightweight high-strength carbon fiber reinforced resin matrix Composite (CFRP) and the metal material (such as titanium alloy, aluminum alloy and the like) with alternating load resistance are the optimal selection for weight reduction and efficiency improvement of aerospace high-end equipment. In order to ensure the highly reliable assembly and high-performance service of CFRP and laminated structures, tens of thousands of various connecting holes need to be processed with high efficiency. Because the hole making link is mostly carried out on the assembly site, the space is limited, and the traditional numerical control machine tool, industrial mechanical arm and the like have poor processing accessibility and are difficult to apply; the manual processing mode is adopted, the drilling step is complicated, the processing efficiency is low, and the production requirement is difficult to meet. Therefore, it is necessary to develop a lightweight, compact, and portable drilling apparatus that can meet the various drilling requirements in a narrow space.
The invention adopts a pneumatic motor driving mode, outputs power to a main shaft through gear transmission to realize fixed rotating speed and feeding speed, the whole mechanism adopts a pure mechanical driving mode and has higher reliability, but the transmission ratio is fixed, the processing parameters cannot be changed in the drilling process, one device is only suitable for one to two working conditions, a plurality of devices are required to be arranged when the requirements of drilling holes of various types are met, and the cost is high.
To sum up, in order to meet the requirements of lightweight, serialization and simultaneous control of the main shaft rotating speed and feeding speed of equipment in a narrow space of an aerospace assembly site, a lightweight, compact and portable automatic drilling unit which can independently control the main shaft rotating speed and feeding and realize simultaneous rotation and translation needs to be developed
Disclosure of Invention
The invention provides a portable automatic drilling device and a method thereof to overcome the defects of the prior art.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a portable automatic drilling device comprises a main shaft unit 1, a feeding unit 2, a drill body frame 3 and a control unit;
the drill body frame 3 is a box body with an opening on one side; two first motor brackets 108 are arranged outside one side of the drill body frame 3 and are respectively used for mounting a spindle motor 101 and a feeding motor 201, and two through grooves are formed in the side and are used for realizing communication of a synchronous belt inside and outside the drill body frame 3; a shield 404 is installed at the side opening side of the drill body frame 3 for shielding the spindle unit 1 and the feeding unit 2;
the spindle unit 1 includes a spindle motor 101, a spindle transmission, and a drilling spindle 106; the spindle motor 101 drives the drilling spindle 106 to rotate through a spindle transmission device, one end of the drilling spindle 106 is provided with a drill bit connecting part 107, and the other end of the drilling spindle 106 is pivoted with a spindle tail end bearing 206;
the main shaft transmission device comprises a spline nut 102, a spline synchronous wheel 103, a main shaft synchronous wheel 104 and a first synchronous belt 105; the spline nut 102 is arranged at one end in the drill body frame 3, and the rotating part of the spline nut is connected with a spline synchronizing wheel 103; the spline synchronizing wheel 103 and the main shaft synchronizing wheel 104 are sleeved with a first synchronizing belt 105; a main shaft synchronizing wheel 104 is mounted on an output shaft of the main shaft motor 101; the periphery of the drilling spindle 106 is provided with a spline groove matched with the spline nut 102; the drilling spindle 106 is driven by the feeding unit 2 to move axially based on the spline nut 102;
the feeding unit 2 comprises a feeding motor 201, a feeding screw 202, a feeding nut 203 and two pairs of screw seats 204; two pairs of lead screw seats 204 are positioned in the drill body frame 3 and above the main shaft unit 1; the feed screw 202 is respectively pivoted on the two screw seats 204 through a screw bearing 212, and the feed nut 203 is sleeved on the feed screw 202; two sides of the feed output plate 205 are respectively connected with two feed nuts 203, and a through hole is formed in the middle of the feed output plate for mounting a main shaft tail end bearing 206; a feed synchronous wheel 208 is arranged on an output shaft of the feed motor 201 through a first tensioning sleeve 210, and a lead screw synchronous wheel 207 is arranged at the end part of the feed lead screw 202 through a second tensioning sleeve 211; the second synchronous belt 209 is sleeved outside the feeding synchronous wheel 208 and the two lead screw synchronous wheels 207;
and the control unit control device and the human-computer interaction device are used for controlling and monitoring the operating parameters of the spindle motor 101 and the feeding unit 2.
A low-frequency vibration component 405 is connected between the other end of the drilling spindle 106 and the spindle tail end bearing 206.
A holding bracket 406 is connected outside the low-frequency vibration component 405, and the holding bracket 406 is fixed with the feed output plate 205, so that the outer ring of the low-frequency vibration component 405 cannot rotate along with the inner ring of the low-frequency vibration component 405.
The portable automatic drilling apparatus further comprises a bit holder 301; the drill sleeve 301 is connected to the outer side of one end of the drill body frame 3 and is a drill sleeve accommodating cavity 303 with an upper end opening 304 and a lower end opening 305; the bit attachment portion 107 extends through the lower end opening 305; an aspiration opening 302 is connected to the side of the drill sleeve cavity 303 for matching an aspiration device.
The portable automatic drilling device also comprises a drill body fixing unit; the drill body fixing unit comprises a drill bushing positioning boss 306, a drill bushing clamping part 307, a drill plate 308 and a bottom plate 309; the drill bushing positioning boss 306 is fixed at the lower end of the drill bushing sleeve 301, and the drill bushing clamping portion 307 is arranged at the edge of the lower end of the drill bushing sleeve 301; the drill plate 308 is connected with the end part of the drill sleeve 301; the drill plate 308 is provided with a plate hole 310 matched with the drill bushing positioning boss 306 and a plate clamping portion 311 matched with the drill bushing clamping portion 307; the drilling template 308 is connected to the bottom template 309, between which the part to be drilled is clamped.
A portable hole making method of an automatic drilling device is used for making holes on a laminated component consisting of a composite material layer and a metal material layer and comprises the following steps;
step 3, clamping the laminated part, enabling the composite material layer 401 to face the side of the drill plate 308, clamping the drill bush positioning boss 306 into the template hole 310, and clamping the drill bush clamping portion 307 to the template clamping portion 311; an operator starts drilling by using the human-computer interaction device, the control device calls the drilling parameter 1 to perform drilling, the control unit monitors the torque change of a drilling main shaft arranged on the feeding unit 2 in the drilling process, and when the torque of the drilling main shaft exceeds T1, the drilling parameter 2 is called to perform drilling;
and 4, completing the total feeding distance by the feeding unit 2, and driving the main shaft unit 1 to retract to the initial position by the feeding unit 2.
Step 2A is added between said steps 2 and 3, connecting the suction input side of the suction device to the suction opening 302 and turning on the suction device.
The invention has the beneficial effects that the portable automatic drilling device is provided, the main shaft motor drives the drilling main shaft to rotate through the main shaft transmission device, and one end of the drilling main shaft is provided with a drill bit connecting part; the feeding unit is connected with the main shaft unit, and feeding power is arranged on the main shaft unit to drive the main shaft unit to move the drilling main shaft in the axial direction of the drilling main shaft; the system is used for controlling and monitoring the operation parameters of the spindle motor and the feeding power device. The portable automatic drilling device can meet the requirement of semi-automatic drilling, change the machining parameters into the optimal machining parameters of the material in the drilling process, machine the laminated part consisting of metal and composite materials and have good machining effect.
Drawings
Fig. 1 is a schematic view 1 of the overall structure of embodiment 1 of the present invention.
Fig. 2 is a schematic view 2 of the overall structure of embodiment 1 of the present invention.
Fig. 3 is a schematic view 1 after hiding parts of the overall structure of embodiment 1 of the present invention.
Fig. 4 is a schematic view 2 showing a hidden part of the whole structure of embodiment 1 of the present invention.
Fig. 5 is a schematic view of clamping a part to be machined in embodiment 1 of the present invention.
Fig. 6 is a schematic cross-sectional view of embodiment 1 of the present invention.
Fig. 7 is an exploded view of example 1 of the present invention.
Wherein: 1-a spindle unit; 101-a spindle motor; 102-spline nuts; 103-spline synchronizing wheel; 104-main shaft synchronizing wheel; 105-a first synchronization belt; 106-a drilling spindle; 107-bit connection; 108-a first motor mount; 2-a feeding unit; 201-a feed motor; 202-feed screw; 203-a feed nut; 204-a lead screw seat; 205-feed output plate; 206-main shaft tail end bearing; 207-lead screw synchronizing wheel; 208-feed synchronizing wheel; 209-a second synchronous belt; 210-a first tensioning sleeve; 211-a second tensioning sleeve; 212-screw bearings; 3-a drill body frame; 301-bit holder sleeve; 302-a suction opening; 303-a drill bushing cavity; 304-open at the upper end; 305-open at the lower end; 306-drill bushing positioning boss; 307-drill bushing clamping part; 308-drilling a template; 309-bottom template; 310-template holes; 311-template clamping part; 401-a composite layer; 402-a layer of metallic material; 403-profile holder; 404-a shield; 405-a low frequency vibrating component; 406-a holding bracket; 1061-a front section main shaft; 1062-rear spindle.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings.
the spindle unit 1 comprises a spindle motor 101, a spindle transmission device and a drilling spindle 106, wherein the spindle motor 101 drives the drilling spindle 106 to rotate through the spindle transmission device, and one end of the drilling spindle 106 is provided with a drill bit connecting part 107;
a feeding unit 2 including a feeding power device, the feeding power device being provided with a feeding output part, the feeding output part being connected to the spindle unit 1, the feeding power device being configured to drive the spindle unit 1 to move the drilling spindle 106 in an axial direction thereof, the feeding power device being located below the spindle motor 101; the above arrangement has the advantage of making full use of the space below the spindle motor 101, so that the appearance of the device tends to be miniaturized and is convenient to carry and store. The control unit is used for controlling and monitoring the operation parameters of the spindle motor 101 and the feeding power device and comprises a control device and a human-computer interaction device; as an embodiment, a touch screen is adopted as a human-computer interaction device, a PLC is adopted as a control device, and a servo motor is adopted as the spindle motor 101;
a drill body frame 3 for mounting the spindle unit 1 and the feeding unit 2.
In this embodiment, the spindle transmission device includes a spline nut 102 mounted on the drill body frame 3, a spline synchronizing wheel 103 connected to a rotating portion of the spline nut 102, a spindle synchronizing wheel 104 mounted on an output shaft of the spindle motor 101, and a first synchronizing belt 105 matched with the spline synchronizing wheel 103 and the spindle synchronizing wheel 104. The outer circumference of the drilling spindle 106 is provided with a spline groove matched with the spline nut 102, and the drilling spindle 106 can move in the axial direction of the drilling spindle under the driving of the feeding unit 2 based on the spline nut 102. The spindle motor 101 is fixed on the drill body frame 3 through a first motor bracket 108, an output shaft of the spindle motor 101 transmits torque with the spindle synchronizing wheel 104 through a key, the spindle synchronizing wheel 104 drives the spline synchronizing wheel 103 to rotate through a first synchronizing belt 105, the spline synchronizing wheel 103 drives the spline nut 102 to rotate, and the spline nut 102 drives the drilling spindle 106 to rotate.
In this embodiment, the feeding power device includes a feeding motor 201, a feeding screw 202, a feeding nut 203, and a screw seat 204 for mounting the feeding screw 202, the feeding output portion includes a feeding output plate 205 and a main shaft tail end bearing 206 mounted on the feeding output plate 205, the feeding output plate 205 is connected with the feeding nut 203, one end of the drilling main shaft 106 is provided with a drill connecting portion 107, and the other end is pivoted with the main shaft tail end bearing 206. The number of the feed screws 202 is two, correspondingly, the number of the feed nuts 203 is two, the feed output part is connected with the two feed nuts 203, the feed power device further comprises a screw synchronizing wheel 207 mounted on the feed screw 202, a feed synchronizing wheel 208 mounted on the output shaft of the feed motor 201 and a second synchronous belt 209 matched with the screw synchronizing wheel 207/the feed synchronizing wheel 208; the feeding motor 201 is mounted on the drill body frame 3 through the first motor bracket 108, an output shaft of the feeding motor 201 is connected with a feeding synchronizing wheel 208 through a first tensioning sleeve 210, the feeding synchronizing wheel 208 transmits power to two lead screw synchronizing wheels 207 through a second synchronous belt 209, the lead screw synchronizing wheels 207 are connected with a feeding lead screw 202 through a second tensioning sleeve 211, and the feeding lead screw 202 is mounted on a lead screw base 204 and is pivoted with the lead screw base 204 through a lead screw bearing 212.
In this embodiment, the drilling spindle 106 includes a front section spindle 1061 and a rear section spindle 1062, the drilling spindle 106 is further provided with a low-frequency vibration component 405, the low-frequency vibration component 405 is a MITIS low-frequency vibration block, and the MITIS low-frequency vibration module is installed between the front section spindle 1061 and the rear section spindle 1062; the low-frequency vibrating member 405 is provided with a holding bracket 406 so that the outer race of the low-frequency vibrating member 405 does not rotate together with the inner race of the low-frequency vibrating member 405; the use of the low frequency vibratory member 405 has the advantage of facilitating chip breaking during the drilling of metals.
In this embodiment, the drill bit holder 301 further comprises a drill bit holder 301, the drill bit holder 301 comprises a drill bit receiving cavity 303 having an upper end opening 304 and a lower end opening 305, the drill bit connecting portion 107 can penetrate through the lower end opening 305, the drill bit receiving cavity 303 is further provided with a suction opening 302, the suction opening 302 is used for being matched with a suction device, chips can be removed in time in a cutting process, and flowing air plays a role in cooling a cutting area; the suction opening 302 may also be provided with cross beams and/or longitudinal beams connected to the outer wall of the bit housing 301, dividing the suction opening 302 into two or more smaller openings, in order to reduce the influence of the suction opening 302 arrangement on the rigidity of the bit housing 301.
In this embodiment, the present invention further includes a drill body fixing unit, and the drill body fixing unit includes: the drilling jig plate 308 is mounted on the bottom template plate 309, and clamps parts to be drilled between the drilling jig plate 308 and the bottom template plate 309, and the drilling jig plate 308 comprises a jig plate hole 310 matched with the drilling jig positioning boss 306 and a template clamping portion 311 matched with the drilling jig clamping portion 307.
In this embodiment, the bottom form 309 is further provided with a bottom form mounting hole, and the bottom form mounting Kong Pi can fix the bottom form 309 on the profile bracket 403 by matching with a corresponding bolt; the bottom form 309 may also be provided with mounting holes as required, and in this embodiment, only one embodiment of mounting with the profile support 403 is shown.
In this embodiment, a protective cover 404 is further provided, and the protective cover 404 is mounted on the drill body frame 3 and used for shielding the spindle unit 1 and the feeding unit 2 to prevent the rotating components provided therein from injuring the user.
A method of drilling a hole in a laminated member composed of a composite material layer 401 and a metal material layer 402 by a portable automatic drilling apparatus, comprising the steps of:
step 3, clamping the laminated part, enabling the composite material layer 401 to face the side of the drilling template, clamping the drill bushing positioning boss into the template hole 310, clamping the drill bushing clamping portion to the template clamping portion, starting drilling by an operator by using a human-computer interaction device, calling a drilling parameter 1 by a control device to implement drilling, monitoring the change of a drilling spindle torque arranged on the feeding unit by the control unit in the drilling process, and calling a drilling parameter 2 to drill when the drilling spindle torque exceeds T1;
and 4, completing the total feeding distance by the feeding unit, and driving the main shaft unit to return to the initial position by the feeding unit.
In this embodiment, step 2A is also present between step 2 and step 3, connecting the suction input side of the suction device to the suction opening and turning on the suction device.
In embodiment 1, the feeding power device includes a feeding motor, a feeding screw, a feeding nut, and a screw seat for mounting the feeding screw, which is only one embodiment, and the feeding power device may also adopt various forms of driving power sources such as a stepping motor, a pneumatic motor, a dc motor, and the like; the feeding power device can also adopt a linear motor, and an output sliding table of the linear motor directly drives the drilling spindle to move in the axial direction of the drilling spindle so as to realize feeding.
In example 1, the torque is transmitted by using a synchronous belt and a synchronous wheel, which is just one embodiment, and the torque of the motor can be transmitted to the screw by using various transmission methods such as belt transmission, gear transmission, chain transmission and the like.
In example 1, PLC is used as the control device, but this is only one embodiment, and technical means common in the art such as DCS and FCS may be used.
Claims (7)
1. A portable automatic drilling device, characterized in that it comprises a main shaft unit (1), a feed unit (2), a drill body frame (3) and a control unit;
the drill body frame (3) is a box body with an opening on one side; two first motor supports (108) are arranged outside one side of the drill body frame (3) and are respectively used for mounting a spindle motor (101) and a feeding motor (201), and two through grooves are formed in the side and are used for realizing communication of a synchronous belt inside and outside the drill body frame (3); the protective cover (404) is arranged on the side opening side of the drill body frame (3) and used for shielding the main shaft unit (1) and the feeding unit (2);
the spindle unit (1) comprises a spindle motor (101), a spindle transmission device and a drilling spindle (106); the main shaft motor (101) drives the drilling main shaft (106) to rotate through a main shaft transmission device, one end of the drilling main shaft (106) is provided with a drill bit connecting part (107), and the other end of the drilling main shaft is pivoted with a main shaft tail end bearing (206);
the main shaft transmission device comprises a spline nut (102), a spline synchronous wheel (103), a main shaft synchronous wheel (104) and a first synchronous belt (105); the spline nut (102) is arranged at one end in the drill body frame (3), and the rotating part of the spline nut is connected with a spline synchronizing wheel (103); the first synchronous belt (105) is sleeved outside the spline synchronous wheel (103) and the main shaft synchronous wheel (104); the main shaft synchronous wheel (104) is arranged on an output shaft of the main shaft motor (101); the periphery of the drilling main shaft (106) is provided with a spline groove matched with the spline nut (102); the drilling main shaft (106) is driven by the feeding unit (2) to move axially based on the spline nut (102);
the feeding unit (2) comprises a feeding motor (201), a feeding screw (202), a feeding nut (203) and two pairs of screw seats (204); the two pairs of lead screw seats (204) are positioned in the drill body frame (3) and above the main shaft unit (1); the feed screw (202) is respectively pivoted on the two pairs of screw seats (204) through screw bearings (212), and the feed nut (203) is sleeved on the feed screw (202); two sides of the feed output plate (205) are respectively connected with two feed nuts (203), and a through hole is formed in the middle of the feed output plate and used for mounting a main shaft tail end bearing (206); a feed synchronous wheel (208) is arranged on an output shaft of the feed motor (201) through a first tensioning sleeve (210), and a lead screw synchronous wheel (207) is arranged at the end part of a feed lead screw (202) through a second tensioning sleeve (211); the second synchronous belt (209) is sleeved outside the feeding synchronous wheel (208) and the two lead screw synchronous wheels (207);
and the control unit control device and the human-computer interaction device are used for controlling and monitoring the operation parameters of the spindle motor (101) and the feeding unit (2).
2. A portable automatic drilling apparatus according to claim 1, characterized in that a low frequency vibration unit (405) is connected between the other end of the drilling main shaft (106) and the main shaft end bearing (206).
3. The portable automatic drilling device according to claim 2, characterized in that a holding bracket (406) is externally connected to the low frequency vibration member (405), and the holding bracket (406) is fixed to the feed output plate (205) to ensure that the outer ring of the low frequency vibration member (405) does not rotate along with the inner ring of the low frequency vibration member (405).
4. A portable automatic drilling arrangement according to claim 1 or 2, characterized by further comprising a bit holder (301); the drill sleeve (301) is connected to the outer side of one end of the drill body frame (3) and is a drill sleeve accommodating cavity (303) with an upper end opening (304) and a lower end opening (305); the drill bit connecting part (107) penetrates through the lower end opening (305); the side of the drill sleeve cavity (303) is connected with a suction opening (302) which is used for matching with a suction device.
5. The portable automatic drilling apparatus of claim 4, further comprising a drill body fixing unit; the drill body fixing unit comprises a drill bushing positioning boss (306), a drill bushing clamping part (307), a drill plate (308) and a bottom template (309); the drill bushing positioning boss (306) is fixed at the lower end of the drill bushing sleeve (301), and the drill bushing clamping part (307) is arranged at the edge of the lower end of the drill bushing sleeve (301); the drill plate (308) is connected with the end part of the drill sleeve (301); the drill jig plate (308) is provided with a jig plate hole (310) matched with the drill bushing positioning boss (306) and a jig plate clamping part (311) matched with the drill bushing clamping part (307); the drilling template (308) is connected with the bottom template (309), and a part to be drilled is clamped between the drilling template and the bottom template.
6. A hole making method of a portable automatic drilling device is characterized by comprising the following steps;
step 1, selecting a machining tool, drilling a single-layer part formed by a composite material layer (401) by using a universal machine tool matched with the machining tool, and measuring a maximum torque value T1 of the machining tool in the drilling process of the single-layer part;
step 2, setting a drilling parameter 1 for drilling the composite material layer (401), setting a drilling parameter 2 for drilling the metal material layer (402), setting a drilling moment threshold value T1, and setting the total feeding distance of the feeding unit (2) according to the total thickness of the laminated part by using a human-computer interaction device;
step 3, clamping the laminated part, enabling the composite material layer (401) to face the side of the drill plate (308), clamping the drill bush positioning boss (306) into the template hole (310), and clamping the drill bush clamping portion (307) to the template clamping portion (311); an operator starts drilling by using the human-computer interaction device, the control device calls the drilling parameter 1 to perform drilling, the control unit monitors the torque change of a drilling main shaft arranged on the feeding unit (2) in the drilling process, and when the torque of the drilling main shaft exceeds T1, the drilling parameter 2 is called to perform drilling;
and 4, completing the total feeding distance by the feeding unit (2), and driving the main shaft unit (1) to retract to the initial position by the feeding unit (2).
7. Method for making holes in a portable automatic drilling device according to claim 6, characterized in that step 2A is added between step 2 and step 3, the suction input side of the suction device is connected to the suction opening (302) and the suction device is turned on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210919648.3A CN115255439A (en) | 2022-08-02 | 2022-08-02 | Portable automatic drilling device and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210919648.3A CN115255439A (en) | 2022-08-02 | 2022-08-02 | Portable automatic drilling device and method thereof |
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| Publication Number | Publication Date |
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| CN115255439A true CN115255439A (en) | 2022-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210919648.3A Pending CN115255439A (en) | 2022-08-02 | 2022-08-02 | Portable automatic drilling device and method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI822541B (en) * | 2022-12-30 | 2023-11-11 | 國立虎尾科技大學 | Single power source wavelet low-frequency axial fluctuation milling tool holder composite mechanism |
-
2022
- 2022-08-02 CN CN202210919648.3A patent/CN115255439A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI822541B (en) * | 2022-12-30 | 2023-11-11 | 國立虎尾科技大學 | Single power source wavelet low-frequency axial fluctuation milling tool holder composite mechanism |
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