CN114850532A - Drilling equipment is used in agricultural machine manufacturing - Google Patents

Drilling equipment is used in agricultural machine manufacturing Download PDF

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Publication number
CN114850532A
CN114850532A CN202210608984.6A CN202210608984A CN114850532A CN 114850532 A CN114850532 A CN 114850532A CN 202210608984 A CN202210608984 A CN 202210608984A CN 114850532 A CN114850532 A CN 114850532A
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CN
China
Prior art keywords
drilling
support frame
agricultural machine
station
motor
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Granted
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CN202210608984.6A
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Chinese (zh)
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CN114850532B (en
Inventor
叶益林
漆勇
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Chongqing Chima Machinery Manufacturing Co ltd
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Chongqing Chima Machinery Manufacturing Co ltd
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Priority to CN202210608984.6A priority Critical patent/CN114850532B/en
Publication of CN114850532A publication Critical patent/CN114850532A/en
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Publication of CN114850532B publication Critical patent/CN114850532B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B41/00Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • B23B41/02Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor for boring deep holes; Trepanning, e.g. of gun or rifle barrels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B47/00Constructional features of components specially designed for boring or drilling machines; Accessories therefor
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Earth Drilling (AREA)

Abstract

The invention relates to the technical field of agricultural machine manufacturing, and particularly discloses a drilling device for agricultural machine manufacturing, which comprises a base and a workbench arranged on the base, wherein the workbench comprises a lower workbench body arranged on the base and an upper workbench body axially and slidably connected with the lower workbench body, the upper surface of the upper workbench body is provided with a plurality of clamping mechanisms for clamping parts needing to be drilled, the drilling device also comprises a support frame arranged on the base, a first motor fixedly connected on the support frame, a drill bit fixedly connected on the support frame and a screw rod rotatably connected on the support frame, the screw rod is in threaded connection with a sliding block, the sliding block is fixedly connected with a first matching block, the upper workbench body is fixedly connected with a second matching block which is positioned right above the first matching block and can be driven by the first matching block to move in the vertical direction, the drilling device can achieve the effect of drilling the parts only by controlling the starting and stopping of the first motor, the air cylinder or the hydraulic cylinder is not needed to be matched for use, the cost is lower, and the control and the assembly are simpler, more convenient and easier.

Description

Drilling equipment is used in agricultural machine manufacturing
Technical Field
The application relates to the technical field of agricultural machine manufacturing, and particularly discloses a drilling device for agricultural machine manufacturing.
Background
Machine manufacturing refers to the industrial sector engaged in the production of various power machines, hoisting and transport machines, chemical machines, textile machines, machine tools, instruments, meters and other mechanical equipment. The machine manufacturing industry provides technical equipment for the whole national economy. Agricultural machine manufacturing, as its name implies, is the manufacture of machines for agricultural use, where it is necessary to use a drilling device to drill holes in the material of the manufacturing machine in order to assemble together the various manufactured parts.
At present, traditional drilling mode is rotatory through motor drive drill bit, drive motor and drill bit through cylinder or pneumatic cylinder simultaneously and carry out axial removal, thereby reach the purpose of drilling, this kind of mode need utilize motor and cylinder (pneumatic cylinder) cooperation to drill, on the one hand, need be equipped with the motor and add cylinder (pneumatic cylinder) simultaneous operation, the cost is higher, on the other hand, need control the operation process of motor and cylinder (pneumatic cylinder) simultaneously, the control process is comparatively complicated, therefore, the inventor is in view of the above, a drilling equipment for agricultural machine manufacturing is provided, so as to solve above-mentioned problem.
Disclosure of Invention
The invention aims to solve the problems of high cost and complex control process caused by the fact that a motor and a cylinder (hydraulic cylinder) are matched for drilling in the traditional drilling process.
In order to achieve the above object, the present invention provides a drilling device for agricultural machine manufacturing, including a base and a workbench arranged on the base, wherein the workbench includes a lower workbench arranged on the base and an upper workbench axially slidably connected with the lower workbench, and the upper surface of the upper workbench is provided with a plurality of clamping mechanisms for clamping parts to be drilled;
still including establishing support frame, the first motor of rigid coupling on the support frame on the base, rigid coupling on the support frame and by first motor drive pivoted drill bit and rotation connect on the support frame and by first motor drive pivoted screw rod, the drill bit is vertical downwards and be located clamping mechanism directly over, screw rod threaded connection has the slider, and the slider rigid coupling has first cooperation piece, and the upper table body rigid coupling has and is located directly over first cooperation piece and can carry out the second cooperation piece that vertical direction removed by first cooperation piece drive.
The principle and effect of this basic scheme lie in:
compared with the prior art, the drill bit is driven to rotate by the first motor, so that the drill bit rotates, meanwhile, the screw rod is driven to rotate by the first motor, the sliding block on the screw rod moves, the first matching block is driven to move in the vertical direction, the second matching block is driven to move in the vertical direction, the upper table body is driven to move vertically and downwards, so that the part needing to be drilled and the drill bit move relatively, and the drilling effect can be achieved by utilizing the rotation of the drill bit The control process is complicated.
Further, last stage body upper surface evenly is equipped with material loading station, drilling station and unloading station, clamping mechanism's quantity is three and is located material loading station, drilling station and unloading station respectively, stage body rigid coupling has the back shaft down, and the back shaft bottom passes the base and is equipped with the carousel, is equipped with three radial groove on the carousel, is equipped with the second motor on the base, and the output shaft coaxial coupling of second motor has the runner, is equipped with on the runner and can be in the gliding slider in radial inslot. Through setting up material loading station, drilling station and unloading station, make the upper table body can carry out complete steps such as material loading, drilling and unloading, and conflict each other between each step, increase the smoothness nature of whole production process, and the second motor rotates through driving the runner, makes the radial groove slip of slider along the carousel to drive carousel intermittent motion, thereby make upper table body intermittent motion, reach the purpose of material loading, drilling and unloading process interconversion.
Furthermore, the first motor drives the screw rod to rotate through the planetary gear mechanism, the screw rod is coaxially connected with a planet wheel in the planetary gear mechanism, and the planet wheel in the planetary gear mechanism is rotatably connected with the support frame. Through setting up planetary gear mechanism, the planet wheel in the planetary gear mechanism can set up a plurality ofly, and the rotation of planet wheel is synchronous, can drive a plurality of screw rods synchronous rotation, can drive a plurality of slider synchronous motion to drive a plurality of first cooperation piece synchronous motion, establish the stability at the vertical removal of upper stage body.
Further, material loading station, drilling station and unloading station structure are the same, all including establishing the mounting groove on upper table body surface, being located the lower clamp splice of mounting groove and the last clamp splice of sliding connection in the mounting groove. Through lower clamp splice and the last clamp splice of sliding connection in the mounting groove mutually support, press from both sides tightly the part, control is easy.
Furthermore, an electromagnet is arranged in the lower clamping block, a magnetic block is arranged in the upper clamping block, and a return spring is arranged between the upper clamping block and the bottom of the mounting groove. The purpose of clamping the parts can be achieved through mutual magnetic matching of the electromagnet and the magnetic block, and the reset spring plays a role in resetting in the process.
Furthermore, the lower table body is fixedly connected with a plurality of limiting guide rods, and the free ends of the limiting guide rods vertically penetrate out of the upper table body upwards to form limiting blocks. The limiting guide rod plays a role in limiting and guiding the sliding of the upper table body.
Further, be equipped with the installation piece that is used for installing the drill bit on the support frame, be equipped with the mounting groove in the installation piece, the drill bit rotates to be connected in the mounting groove, still includes the water pump fixed with the support frame, and in the play water end of water pump stretched into the installation piece, installation piece inslot wall was equipped with the apopore that can communicate with the water pump. Through setting up the water pump, draw water and get into in the installation piece to flow through the apopore, thereby play cooling and abluent effect to the drilling process.
Further, be equipped with the collecting tank in the mounting groove, the collecting tank intercommunication has the drain pipe, is equipped with drainage valve on the drain pipe, is equipped with the collecting pipe that is located the drain pipe below of drilling station on the support frame. The liquid collecting tank recovers the water flow and discharges the water flow through the collecting pipe.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is an isometric view of a drilling apparatus for agricultural machine manufacturing according to an embodiment of the present disclosure;
FIG. 2 is an enlarged view of a part A of a drilling device for agricultural machine manufacturing according to an embodiment of the present application;
FIG. 3 is a partial schematic structural view of a drilling device for agricultural machine manufacturing according to an embodiment of the present disclosure;
FIG. 4 is a schematic view of a planetary gear mechanism of a drilling device for agricultural machine manufacturing according to an embodiment of the present application;
fig. 5 shows a schematic view of a workbench of a drilling device for agricultural machine manufacturing according to an embodiment of the present application.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Reference numerals in the drawings of the specification include: the device comprises a base 1, a support shaft 2, an upper table body 3, a lower table body 4, a support frame 5, a first motor 6, a sun gear 7, a planet gear 8, a gear ring 9, a screw rod 10, a sliding block 11, a first matching block 12, a second matching block 13, a limiting guide rod 14, a transmission shaft 15, a gear transmission box 16, a mounting groove 17, a lower clamping block 18, an upper clamping block 19, a drill bit 20, a mounting block 21, a drain pipe 22, a collecting pipe 23, a second motor 24, a rotating wheel 25, a rotating disc 26, a water pump 27, a connecting box 28, a connecting frame 29 and a trigger ring 30.
A drilling device for agricultural machine manufacturing, the embodiment is shown in figure 1: including base 1 and the workstation of establishing on base 1, the workstation is including establishing lower stage body 4 on base 1 and the last stage body 3 with 4 axial sliding connection of lower stage body, 4 rigid couplings of lower stage body have a plurality of spacing guide arms 14, the vertical upwards wearing out of last stage body 3 of the free end of spacing guide arm 14 is equipped with the stopper, 4 rigid couplings of lower stage body have back shaft 2, the embodiment is shown in figure 3, 2 bottoms of back shaft pass base 1 and are equipped with carousel 26, be equipped with three radial groove on the carousel 26, contained angle between the three radial groove is 120, be equipped with second motor 24 on base 1, the output shaft coaxial coupling of second motor 24 has runner 25, be equipped with on runner 25 and can be at the gliding slider 11 in radial inslot.
The upper surface of the upper table body 3 is uniformly provided with a feeding station, a drilling station and an unloading station, the feeding station, clamping mechanisms for clamping parts needing drilling are arranged in the drilling station and the unloading station, the embodiment is shown in fig. 2, the feeding station, the drilling station and the unloading station comprise mounting grooves 17 formed in the surface of the upper table body 3, lower clamping blocks 18 positioned in the mounting grooves 17 and upper clamping blocks 19 connected in the mounting grooves 17 in a sliding manner, electromagnets are arranged in the lower clamping blocks 18, magnetic blocks are arranged in the upper clamping blocks 19, reset springs are arranged between the upper clamping blocks 19 and the bottoms of the mounting grooves 17, concave-convex surfaces for increasing friction force are arranged on one surfaces, opposite to the upper clamping blocks 19 and the lower clamping blocks 18, and accordingly the clamping effect is improved.
Still including establishing support frame 5 on base 1, the first motor 6 of rigid coupling on support frame 5, the output shaft of first motor 6 is vertical downwards through shaft coupling coaxial coupling to be connected with planetary gear mechanism, the embodiment is shown in fig. 4, the output shaft of first motor 6 is vertical downwards and sun gear 7 coaxial coupling among the planetary gear mechanism, planet wheel 8 among the planetary gear mechanism is three, rotate with support frame 5 respectively and be connected, ring gear 9 among the planetary gear mechanism rotates with support frame 5 to be connected, the equal vertical coaxial coupling downwards of planet wheel 8 has screw rod 10, the equal threaded connection of screw rod 10 has slider 11, the equal rigid coupling of slider 11 has first cooperation piece 12, it has second cooperation piece 13 that is located directly over first cooperation piece 12 and can carry out vertical direction removal to go up the 3 rigid couplings of stage body.
The supporting frame 5 is fixedly connected with a connecting box 28 which covers the free end of the output shaft of the first motor 6, a shaft coupling which is used for coaxially connecting the output shaft of the first motor 6 with the sun gear 7 in the planetary gear mechanism is arranged in the connecting box 28, the side wall of the connecting box 28 is fixedly connected with three connecting frames 29, the planet gears 8 in the planetary gear mechanism are respectively and rotatably connected with each connecting piece, and the positions of the planet gears 8 are limited.
Support frame 5 still rotates and is connected with transmission shaft 15, and transmission shaft 15 top is through bevel gear pair and the output shaft coaxial coupling of first motor 6, and transmission shaft 15 still is connected with drill bit 20 through gear pair transmission, and is concrete, is equipped with gear drive box 16 on the support frame 5, is equipped with intermeshing's gear pair in the gear drive box 16, driving gear and the 15 rigid couplings of transmission shaft in the gear pair, driven gear and the drill bit 20 coaxial coupling in the gear pair.
Gear drive box 16 bottom is equipped with installation piece 21, be equipped with mounting groove 17 in the installation piece 21, drill bit 20 rotates to be connected in mounting groove 17, still include the water pump 27 fixed with support frame 5, water pump 27 adopts impeller pump or gear pump, and there is transmission shaft 15 and water pump 27's input shaft coaxial coupling, thereby drive water pump 27 through transmission shaft 15 and rotate, in water pump 27's play water end stretched into installation piece 21, installation piece 21 inslot wall was equipped with the apopore that can communicate with water pump 27.
Be equipped with the collecting tank in the mounting groove 17, the collecting tank intercommunication has drain pipe 22, is equipped with drainage valve on the drain pipe 22, is equipped with the collecting pipe 23 that is located the drain pipe 22 below of drilling station on the support frame 5.
In the embodiment shown in fig. 5, the lower surface of the lower table 4 is respectively provided with an electromagnet switch for controlling each electromagnet in each mounting groove 17 to pass through and a drain valve switch for controlling each drain valve to open, the electromagnet switch and the drain valve switch are both touch switches, and when an object is in contact with the electromagnet switch, the electromagnet switch is powered on, otherwise, the electromagnet switch is powered off, trigger rings 30 capable of triggering the electromagnet switch to be powered on are arranged between the feeding station and the drilling station and between the drilling station and the discharging station, and a trigger column capable of triggering the drain valve switch to be opened is arranged at the drilling station.
A controller is also included that controls the first motor 6 and the second motor 24.
In the implementation process of the invention, the first motor 6 and the second motor 24 are started through the controller, the second motor 24 rotates to drive the rotating wheel 25 to rotate, so that the sliding block 11 slides along the radial groove of the rotating disc 26, the rotating disc 26 is driven to move intermittently, the upper table body 3 moves intermittently, and the purpose of mutual conversion of the feeding, drilling and blanking processes is achieved; in this process, when the part is placed the material loading station through manipulator or other modes, along with the drive of second motor 24, the mounting groove 17 that is located the material loading station gradually the case drilling station remove, triggers ring 30 contact electromagnet switch, and the electro-magnet circular telegram is adsorbed with the magnetism piece each other, and the work piece that will be located this mounting groove 17 presss from both sides tightly to remove to the drilling station.
After the mounting groove 17 moves to the drilling station, although the second motor 24 continues to operate, because the turntable 26 and the rotating wheel 25 form a wheel groove mechanism, the workbench does not rotate any more at this time, but stops at this station, at this time, the trigger ring 30 still contacts the electromagnet switch, and at the same time, the trigger post contacts the drain valve switch, the drain valve in the mounting groove 17 is turned on, the first motor 6 is started, the first motor 6 rotates forward, the drill bit 20 is driven to rotate forward through the bevel gear pair and the gear pair, at the same time, the first motor 6 drives the three screws 10 to rotate forward through the planetary gear mechanism, the three screws 10 respectively drive the slide blocks 11 to slide upward, the first matching block 12 on the slide block 11 is matched with the second matching block 13 on the upper table body 3 to drive the table body to move upward, that is, to drive the part to move toward the drill bit 20, thereby performing the drilling process, and at the same time, the transmission shaft 15 drives the water pump 27 to start, and the water pump 27 pumps water and enters the mounting block 21, and flows out through the water outlet hole, so that the drilling process is cooled and cleaned, and the collecting tank recovers water flow and discharges the water flow through the collecting pipe 23.
In the process, the other mounting groove 17 is located at the feeding station, the parts are placed, and the like, after drilling is completed, the first motor 6 rotates reversely, the upper table body 3 resets, then the mounting groove 17 moves to the discharging station under the driving of the second motor 24, and the other mounting groove 17 moves to the drilling station for drilling.
After the installation groove 17 moves to the next station, the trigger ring 30 does not contact the electromagnet switch, the upper clamping block 19 resets, the part which has passed through the drilling hole is not clamped, and the part positioned at the blanking station is clamped by the manipulator.
Compared with the prior art, the drill bit 20 is driven to rotate by the first motor 6, the drill bit 20 is driven to rotate, meanwhile, the screw 10 is driven to rotate by the first motor 6, the sliding block 11 on the screw 10 is driven to move, the first matching block 12 is driven to move in the vertical direction, the second matching block 13 is driven to move in the vertical direction, the upper table body 3 is driven to move vertically and downwards, relative movement is generated between a part needing drilling and the drill bit 20, the effect of drilling can be achieved by utilizing the rotation of the drill bit 20, the mounting grooves 17 in the loading station, the drilling station and the blanking station can be switched intermittently by arranging the second motor 24, the steps are not mutually conflicted, the smoothness of the whole production process is improved, the start and stop of the first motor 6 and the second motor 24 are only required to be controlled, can be automatic drill the part, improved degree of automation, do not need the cooperation of cylinder or pneumatic cylinder to use, the cost is lower, and more simple and convenient easy is adorned in the accuse, has solved traditional drilling, need utilize motor and cylinder (pneumatic cylinder) cooperation to drill, leads to the problem that the cost is higher, control process is complicated.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (8)

1. The utility model provides a drilling equipment for agricultural machine manufacturing which characterized in that: the drilling machine comprises a base and a workbench arranged on the base, wherein the workbench comprises a lower workbench body arranged on the base and an upper workbench body axially and slidably connected with the lower workbench body, and the upper surface of the upper workbench body is provided with a plurality of clamping mechanisms for clamping parts needing drilling;
still including establishing support frame, the first motor of rigid coupling on the support frame on the base, rigid coupling on the support frame and by first motor drive pivoted drill bit and rotation connect on the support frame and by first motor drive pivoted screw rod, the drill bit is vertical downwards and be located clamping mechanism directly over, screw rod threaded connection has the slider, and the slider rigid coupling has first cooperation piece, and the upper table body rigid coupling has and is located directly over first cooperation piece and can carry out the second cooperation piece that vertical direction removed by first cooperation piece drive.
2. The drilling device for agricultural machine manufacturing according to claim 1, wherein the upper surface of the upper table body is uniformly provided with a feeding station, a drilling station and a discharging station, the number of the clamping mechanisms is three, the clamping mechanisms are respectively positioned in the feeding station, the drilling station and the discharging station, the lower table body is fixedly connected with a supporting shaft, the bottom of the supporting shaft penetrates through a base to be provided with a turntable, three radial grooves are formed in the turntable, a second motor is arranged on the base, an output shaft of the second motor is coaxially connected with a rotating wheel, and a sliding block capable of sliding in the radial grooves is arranged on the rotating wheel.
3. The drilling device for agricultural machine manufacturing of claim 2, wherein the first motor drives a screw to rotate through a planetary gear mechanism, the screw is coaxially connected with a planetary wheel in the planetary gear mechanism, and the planetary wheel in the planetary gear mechanism is rotatably connected with the supporting frame.
4. The drilling device for agricultural machine manufacturing according to claim 2, wherein the feeding station, the drilling station and the discharging station have the same structure and comprise an installation groove formed in the surface of the upper table body, a lower clamping block located in the installation groove and an upper clamping block connected in the installation groove in a sliding manner.
5. The drilling device for agricultural machine manufacturing according to claim 4, wherein an electromagnet is arranged in the lower clamping block, a magnetic block is arranged in the upper clamping block, and a return spring is arranged between the upper clamping block and the bottom of the mounting groove.
6. The drilling device for agricultural machine manufacturing according to claim 1, wherein the lower table body is fixedly connected with a plurality of limiting guide rods, and the free ends of the limiting guide rods vertically penetrate upwards through the upper table body to form limiting blocks.
7. The drilling device for agricultural machine manufacturing according to claim 4 or 6, wherein the support frame is provided with a mounting block for mounting the drill bit, the mounting block is internally provided with a mounting groove, the drill bit is rotatably connected in the mounting groove, the drilling device further comprises a water pump fixed with the support frame, a water outlet end of the water pump extends into the mounting block, and the inner wall of the mounting block groove is provided with a water outlet hole capable of being communicated with the water pump.
8. The agricultural machine manufacturing drilling device according to claim 7, wherein a liquid collecting tank is arranged in the mounting groove, the liquid collecting tank is communicated with a drain pipe, a drain valve is arranged on the drain pipe, and a collecting pipe located below the drain pipe of the drilling station is arranged on the supporting frame.
CN202210608984.6A 2022-05-31 2022-05-31 Drilling device for agricultural machine manufacturing Active CN114850532B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210608984.6A CN114850532B (en) 2022-05-31 2022-05-31 Drilling device for agricultural machine manufacturing

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Application Number Priority Date Filing Date Title
CN202210608984.6A CN114850532B (en) 2022-05-31 2022-05-31 Drilling device for agricultural machine manufacturing

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CN114850532B CN114850532B (en) 2023-09-05

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190000949A (en) * 2017-06-23 2019-01-04 (주)영광공작소 Drilling machine
CN211804978U (en) * 2020-03-31 2020-10-30 陈瑞众 Special bench drill of drilling processing
CN212239262U (en) * 2020-04-13 2020-12-29 梁体强 Steel sheet drilling equipment for high efficiency machining
CN212857811U (en) * 2020-06-04 2021-04-02 江苏安全技术职业学院 High security drilling equipment for machine-building
CN213591792U (en) * 2020-06-23 2021-07-02 昆山天诚旭金属制品有限公司 Bench drill is used in mould production with connect oil groove
CN216461847U (en) * 2021-12-21 2022-05-10 内蒙古工业大学 Automatic high-efficient drilling equipment of machine-building

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190000949A (en) * 2017-06-23 2019-01-04 (주)영광공작소 Drilling machine
CN211804978U (en) * 2020-03-31 2020-10-30 陈瑞众 Special bench drill of drilling processing
CN212239262U (en) * 2020-04-13 2020-12-29 梁体强 Steel sheet drilling equipment for high efficiency machining
CN212857811U (en) * 2020-06-04 2021-04-02 江苏安全技术职业学院 High security drilling equipment for machine-building
CN213591792U (en) * 2020-06-23 2021-07-02 昆山天诚旭金属制品有限公司 Bench drill is used in mould production with connect oil groove
CN216461847U (en) * 2021-12-21 2022-05-10 内蒙古工业大学 Automatic high-efficient drilling equipment of machine-building

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