CN111069717B - Full-automatic nut processingequipment - Google Patents
Full-automatic nut processingequipment Download PDFInfo
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- CN111069717B CN111069717B CN202010098383.6A CN202010098383A CN111069717B CN 111069717 B CN111069717 B CN 111069717B CN 202010098383 A CN202010098383 A CN 202010098383A CN 111069717 B CN111069717 B CN 111069717B
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- nut
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- tapping
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- rotating
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- 238000010079 rubber tapping Methods 0.000 claims abstract description 82
- 230000007246 mechanism Effects 0.000 claims abstract description 79
- 230000001681 protective effect Effects 0.000 claims abstract description 20
- 238000007599 discharging Methods 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 17
- 230000000670 limiting effect Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000003754 machining Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/16—Thread cutting; Automatic machines specially designed therefor in holes of workpieces by taps
- B23G1/20—Machines with a plurality of working spindles
- B23G1/205—Machines with a plurality of working spindles specially adapted for making nuts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
-
- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- 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
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/02—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of drums or rotating tables or discs
-
- 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
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/14—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting co-ordinated in production lines
- B23Q7/1426—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting co-ordinated in production lines with work holders not rigidly fixed to the transport devices
-
- 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
- B23Q2707/00—Automatic supply or removal of metal workpieces
- B23Q2707/006—Automatic supply or removal of metal workpieces for thread cutting, e.g. bolts or crews
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Specific Conveyance Elements (AREA)
Abstract
The invention discloses a full-automatic nut processing device which comprises a frame, a feeding mechanism and a tapping mechanism, wherein a nut feeding chamber, a nut tapping chamber and a nut discharging chamber are arranged in the frame, a feeding station, a tapping station and a discharging station are respectively arranged in the nut feeding chamber, the nut tapping chamber and the nut discharging chamber, the output end of the feeding mechanism extends to the feeding station, a first protective shell is fixed in the frame, a rotary table is arranged in the first protective shell, a rotating shaft is vertically arranged on the rotating end surface of the rotary table, the upper end of the rotating shaft extends out of the first protective shell and is fixedly provided with a rotating frame, and the rotating frame is three-fork-shaped and is fixedly provided with a nut bearing mechanism at three ends. The automatic feeding, clamping, processing and discharging device has the highest degree of automation, high production efficiency, obvious labor cost saving, capability of simultaneously processing four nuts on the rotary table by the tapping mechanism, no stop of feeding and tapping and high processing efficiency when in operation.
Description
Technical Field
The invention relates to the field of nut production equipment, in particular to a full-automatic nut processing device.
Background
The nut tapping machine is a machining device for machining internal threads, screws or thread-calling buckles on the inner side surfaces of holes of various parts such as nuts, flanges and the like with through holes or blind holes of various specifications, and functions like tapping the internal threads by using a tap.
According to different driving power types, the nut tapping machine can be divided into a pneumatic tapping machine, an electric tapping machine, a hydraulic tapping machine and the like; according to different types of processed nuts, the nut tapping machine can be divided into a hot-tapping nut tapping machine, a flange nut tapping machine, a round nut tapping machine, a hexagonal nut tapping machine, a blind nut tapping machine, an anti-theft nut tapping machine and other models.
The traditional tapping machine is characterized in that nuts to be processed are conveyed to a processing place one by one, after the clamp is used for fixing the nuts, the tapping mechanism is used for tapping the nuts, and only one nut can be processed at a time, and more time is required in the tapping process, so that the efficiency is lower; if a plurality of nuts are processed at the same time, the time for feeding takes more time; therefore, it is necessary to develop a fully automatic nut processing device to increase the tapping number while not increasing the feeding time.
Disclosure of Invention
The invention aims to solve the problems, and designs a full-automatic nut processing device.
The technical scheme includes that the full-automatic nut processing device comprises a frame, a feeding mechanism and a tapping mechanism, wherein a nut feeding chamber, a nut tapping chamber and a nut discharging chamber are arranged in the frame, a feeding station, a tapping station and a discharging station are respectively arranged in the nut feeding chamber, the nut tapping chamber and the nut discharging chamber, the output end of the feeding mechanism extends to the feeding station, a first protective shell is fixed in the frame, a rotary workbench is arranged in the first protective shell, a rotating shaft is vertically arranged on the rotating end face of the rotary workbench, the upper end of the rotating shaft extends out of the first protective shell and is fixedly provided with a rotating frame, and the rotating frame is three-fork-shaped and is fixedly provided with a nut bearing mechanism at three ends;
the nut bearing mechanism comprises a bracket fixed at the end part of the rotating frame, a slewing bearing is arranged on the bracket, a cross-shaped supporting plate capable of rotating relative to the bracket is arranged on the slewing bearing, a rotating disc is arranged on the upper end surface of the cross-shaped supporting plate, a fixed block and a pushing block are fixed on the lower end surface of the rotating disc, a tension spring is arranged between the fixed block and the cross-shaped supporting plate, the tension spring pulls the cross-shaped supporting plate to enable the pushing block to be attached to the cross-shaped supporting plate, four U-shaped notches which are circumferentially distributed and are used for accommodating nuts are arranged at the edge of the rotating disc, the edge of the nut extends out of the U-shaped notch, the cross-shaped supporting plate is matched with the U-shaped notch to bear the nuts, the edge of the cross-shaped supporting plate extends out of the U-shaped notch and does not exceed the edge of the U-shaped notch, four chip removal ports corresponding to the U-shaped notch are formed in the edge of the cross-shaped supporting plate, an opening is formed in the center of the cross-shaped supporting plate, a connecting sleeve is fixed in the center of the lower end of the rotating disc, the connecting sleeve is rotationally arranged in the opening, and the axis of the rotating disc is coaxial with the cross-shaped axis;
the rotary table intermittently drives the rotary disc to sequentially rotate to a feeding station, a tapping station and a discharging station, clamping mechanisms which are in one-to-one correspondence with the nut bearing mechanisms are arranged on the rotary frame, the clamping mechanisms are used for limiting nuts to be separated from the U-shaped notch in the radial direction, and the tapping mechanism is arranged in the nut tapping chamber and is used for tapping nuts which are stopped at the tapping station;
the nut feeding chamber is internally provided with a feeding driving mechanism, and the feeding driving mechanism drives a nut bearing mechanism which is stopped at a feeding station to rotate, so that the U-shaped notches pass through the feeding station one by one and are clamped into nuts.
Preferably, the tapping mechanism comprises a support column, a fixing plate, a lifting plate, guide sleeves, guide posts, servo cylinders, rotating motors, tapping chucks and screw taps, wherein the fixing plate is fixed on a frame through the support column, the servo cylinders and the two guide sleeves are installed on the fixing plate, the output ends of the servo cylinders are connected with the lifting plate, the guide posts are inserted in the guide sleeves in a sliding manner, the lower ends of the guide posts are fixedly connected with the lifting plate, four rotating motors are installed on the lifting plate, the rotating motors are connected with the screw taps through the tapping chucks, and the screw taps correspond to chip removal ports at tapping stations one by one.
Preferably, the clamping mechanism comprises a pin shaft fixed on the rotating frame, the axis of the pin shaft, the axis of the rotating shaft and the axis of the rotating disk are on the same vertical plane, two symmetrical arc-shaped clamping plates are hinged on the pin shaft, a torsion spring is sleeved on the pin shaft, and two ends of the torsion spring are fixedly connected with the two arc-shaped clamping plates respectively.
Preferably, when the cross supporting plate does not rotate relative to the rotating disc, the two arc clamping plates clamp the edges of the nut to fix the nut; when the cross support plate rotates relative to the rotating disc, the cross support plate supports the two arc-shaped clamping plates, so that the two arc-shaped clamping plates are far away from the nut.
Preferably, a stop lever is fixed in the nut unloading chamber, the cross support plate contacts with the stop lever when moving to the unloading station, and the stop lever toggles the cross support plate to rotate relative to the rotating disc, so that the cross support plate is far away from the U-shaped groove.
Preferably, the feeding mechanism comprises a vibration disc, a linear feeder and a feeding rail, the feeding rail is in vibration connection with the linear feeder, the input end of the feeding rail is communicated with the vibration disc, the output end of the feeding rail extends to the feeding station, the output end of the feeding rail is fixedly provided with a supporting frame, a push-pull electromagnet is mounted on the supporting frame, a baffle is mounted on a push-pull rod of the push-pull electromagnet, and nuts are controlled to pass through the baffle at the output end of the feeding rail.
Preferably, the feeding driving mechanism comprises a second protective shell fixed in the frame, a stepping motor and a shaft seat are installed in the second protective shell, a first driven shaft is installed in the shaft seat, a driven pulley is installed on the first driven shaft, the upper end of the first driven shaft stretches out of the second protective shell and is provided with a rubber wheel, a driving pulley is installed at the output end of the stepping motor, the driving pulley is connected with the driven pulley through tensioning of a driving belt, a second transmission shaft is installed in a connecting sleeve, a bracket is extended out of the lower end of the second transmission shaft and a one-way wheel is installed at the lower end of the second transmission shaft, and when the nut bearing mechanism is parked at a feeding station, the one-way wheel is in compression transmission connection with the rubber wheel.
Preferably, the unidirectional wheel is locked in the direction of rotation of the rotating frame and is free to rotate in the other direction.
Preferably, when the rotary disc is stopped at the feeding station, the free ends of the two arc clamping plates form a channel, and nuts at the output end of the feeding track enter the U-shaped notch through the channel.
Preferably, a fixed arc plate is fixed at one side of the output end of the feeding track along the rotating direction of the rotating frame, and the fixed arc plate is used for limiting the nut in the U-shaped notch to be separated from the channel.
The invention has the beneficial effects that:
1. the device has the highest degree of automation, can automatically feed, clamp, process and discharge during working, can simultaneously operate a plurality of devices by one worker, has high production efficiency, and can remarkably save labor cost.
2. The device is novel in design, reasonable in structure, simple, convenient and easy to use, high in automation degree and convenient to use, and when the tapping mechanism processes nuts, the feeding driving mechanism drives the rotating disc in the nut feeding chamber to rotate, feeding is performed, feeding and tapping are achieved without stopping, and the processing efficiency is high.
3. The tapping mechanism can process four nuts on the rotating disc simultaneously, and machining efficiency is improved.
4. The clamping mechanism is not required to be driven by power, the arc clamping plate automatically clamps the nut by arranging the torsion spring, the power is not required to be driven by the arc clamping plate to discharge, after the stop lever contacts with the cross supporting plate, the stop lever toggles the cross supporting plate, so that the cross supporting plate rotates relative to the rotating disc, the cross supporting plate is far away from the U-shaped groove, the non-stop discharge is realized, the processing efficiency is improved, and meanwhile, the manufacturing cost is saved.
Drawings
FIG. 1 is a schematic view of a fully automatic nut processing device according to the present invention;
FIG. 2 is a top view of a fully automatic nut processing device according to the present invention;
FIG. 3 is a schematic view of the connection structure of the nut bearing mechanism, the clamping mechanism and the feeding driving mechanism of the present invention;
FIG. 4 is a partial schematic view of the nut carrier of the present invention;
FIG. 5 is a schematic view of the clamping mechanism of the present invention;
FIG. 6 is a top view of the swivel mount and bracket connection structure of the present invention;
FIG. 7 is a view of the cross pallet of the present invention in contact with a lever (with the rotating disk omitted);
FIG. 8 is a second state diagram (omitting the rotating disk) of the cross pallet of the present invention about to contact the stopper rod;
FIG. 9 is a bottom view of the cross pallet and rotary disk connection structure of the present invention;
FIG. 10 is a state diagram of the clamping mechanism of the present invention clamping four nuts;
FIG. 11 is a bottom view of the cross pallet from above in the state of FIG. 10;
FIG. 12 is a view of the cross pallet distraction clamping mechanism of the present invention with the arcuate clamping plates not clamping the nuts;
FIG. 13 is a bottom view of the cross pallet as it contacts the lever and rotates relative to the rotating disk and away from the U-shaped notch;
FIG. 14 is a partial schematic view of the feed mechanism of the present invention;
FIG. 15 is a schematic view of the structure of the present invention when the unidirectional wheel is connected with the rubber wheel;
in the figure, 1, a rack; 11. a nut feeding chamber; 111. a feeding station; 12. a nut tapping chamber; 121. a tapping station; 13. a nut discharge chamber; 131. a blanking station; 14. a first protective shell; 15. a nut; 16. a stop lever; 17. a channel; 2. a feeding mechanism; 21. a vibration plate; 22. a linear feeder; 23. a feeding rail; 24. a support frame; 25. push-pull electromagnet; 26. a baffle; 27. fixing the arc plate; 3. a tapping mechanism; 301. a support column; 302. a fixing plate; 303. a lifting plate; 304. guide sleeve; 305. a guide post; 306. a servo cylinder; 307. a rotating electric machine; 308. tapping clamp heads; 309. a tap; 4. a rotary table; 5. a rotating shaft; 6. a rotating frame; 7. a nut bearing mechanism; 701. a bracket; 702. a slewing bearing; 703. a cross pallet; 704. a rotating disc; 705. a fixed block; 706. a pushing block; 707. a tension spring; 708. a U-shaped notch; 709. a chip removal port; 710. an opening; 711. connecting sleeves; 8. a clamping mechanism; 81. a pin shaft; 82. an arc clamping plate; 83. a torsion spring; 9. a feeding driving mechanism; 901. a second protective shell; 902. a stepping motor; 903. a shaft seat; 904. a first driven shaft; 905. a driven pulley; 906. a rubber wheel; 907. a driving pulley; 908. a drive belt; 909. a second drive shaft; 910. a unidirectional wheel.
Detailed Description
The invention is specifically described below with reference to the accompanying drawings, as shown in fig. 1-15, the full-automatic nut processing device comprises a frame 1, a feeding mechanism 2 and a tapping mechanism 3, wherein a nut feeding chamber 11, a nut tapping chamber 12 and a nut discharging chamber 13 are arranged in the frame 1, a feeding station 111, a tapping station 121 and a discharging station 131 are respectively arranged in the nut feeding chamber 11, the nut tapping chamber 12 and the nut discharging chamber 13, the output end of the feeding mechanism 2 extends to the feeding station 111, a first protective shell 14 is fixed in the frame 1, a rotary table 4 is arranged in the first protective shell 14, a rotary shaft 5 is vertically arranged on the rotary end surface of the rotary table 4, the upper end of the rotary shaft 5 extends out of the first protective shell 14 and is fixed with a rotary frame 6, and three ends of the rotary frame 6 are respectively fixed with a nut bearing mechanism 7;
the nut bearing mechanism 7 comprises a bracket 701 fixed at the end part of the rotating frame 6, a rotary bearing 702 is arranged on the bracket 701, a cross support plate 703 capable of rotating relative to the bracket 701 is arranged on the rotary bearing 702, a rotating disc 704 is arranged on the upper end surface of the cross support plate 703, a fixed block 705 and a push block 706 are fixed on the lower end surface of the rotating disc 704, a tension spring 707 is arranged between the fixed block 705 and the cross support plate 703, the tension spring 707 pulls the cross support plate 703 to enable the push block 706 to be attached to the cross support plate 703, four U-shaped notches 708 which are circumferentially distributed and are used for accommodating nuts 15 are arranged at the edge of the rotating disc 704, the edge of the nuts 15 extends out of the U-shaped notches 708, the edge of the cross support plate 703 extends out of the U-shaped notches 708 and does not extend out of the edge of the U-shaped notches 708 beyond the nuts 15, an opening 710 is arranged at the center of the cross support plate 703, a connecting sleeve 711 is fixed at the center of the cross 703, a connecting sleeve 711 is rotatably arranged in the opening 710, the rotating sleeve 711 can enable the rotating disc 704 to be rotatably arranged on the cross support plate 703, and the axis of the rotating disc 704 is coaxial with the cross support plate 703;
the rotary table 4 intermittently drives the rotary disc 704 to sequentially rotate to the feeding station 111, the tapping station 121 and the blanking station 131, the rotary frame 6 is provided with clamping mechanisms 8 which are in one-to-one correspondence with the nut bearing mechanisms 7, the clamping mechanisms 8 are used for limiting the nuts 15 to be radially separated from the U-shaped notches 708, and the tapping mechanism 3 is arranged in the nut tapping chamber 12 and is used for tapping the nuts 15 which are stopped at the tapping station 121;
the nut feeding chamber 11 is internally provided with a feeding driving mechanism 9, and the feeding driving mechanism 9 drives the nut bearing mechanism 7 which is stopped at the feeding station 111 to rotate, so that the U-shaped notches 708 pass through the feeding station 111 one by one and are clamped into the nuts 15.
Preferably, the tapping mechanism 3 comprises a supporting column 301, a fixing plate 302, a lifting plate 303, a guide sleeve 304, guide posts 305, servo cylinders 306, rotating motors 307, tapping chucks 308 and taps 309, wherein the fixing plate 302 is fixed on the frame 1 through the supporting column 301, the servo cylinders 306 and the two guide sleeves 304 are arranged on the fixing plate 302, the output ends of the servo cylinders 306 are connected with the lifting plate 303, the guide posts 305 are inserted in the guide sleeves 304 in a sliding manner, the lower ends of the guide posts 305 are fixedly connected with the lifting plate 303, the lifting plate 303 is provided with four rotating motors 307, the rotating motors 307 are connected with the taps 309 through the tapping chucks 308, and the taps 309 are in one-to-one correspondence with chip discharging holes 709 at the tapping station 121.
Preferably, fixture 8 is including being located the round pin axle 81 of fixing on swivel mount 6, round pin axle 81 axis and pivot 5 axis, rotary disk 704 axis are on same vertical face, the last articulated arc splint 82 that have two symmetries of round pin axle 81, the cover torsional spring 83 on the round pin axle 81, torsional spring 83 both ends respectively with two arc splint 82 rigid couplings, an elasticity antiskid rubber pad is fixed to arc splint 82 inboard cambered surface, can improve the effect of pressing from both sides tight fixation nut 15, prevent nut 15 slip, torsional spring 83 adopts high strength torsional spring 83, have higher torsion, can firmly compress tightly nut 15.
Preferably, when the cross pallet 703 is not rotated relative to the rotating disk 704, the two arc clamping plates 82 clamp the edges of the nut 15 to fix the nut 15; when the cross pallet 703 rotates relative to the rotating disk 704, the cross pallet 703 distracts the two arc clamps 82 away from the nut 15.
Preferably, a stop lever 16 is fixed in the nut unloading chamber 13, the cross support plate 703 contacts with the stop lever 16 when moving to the unloading station 131, and the stop lever 16 toggles the cross support plate 703 to rotate relative to the rotating disc 704 so as to enable the cross support plate 703 to be far away from the U-shaped groove.
Preferably, the feeding mechanism 2 comprises a vibration disc 21, a linear feeder 22 and a feeding track 23, the feeding track 23 is in vibration connection with the linear feeder 22, the input end of the feeding track 23 is communicated with the vibration disc 21, the output end of the feeding track 23 extends to the feeding station 111, a supporting frame 24 is fixed at the output end of the feeding track 23, a push-pull electromagnet 25 is mounted on the supporting frame 24, a baffle 26 is mounted on a push-pull rod of the push-pull electromagnet 25, and the baffle 26 controls nuts 15 to pass through at the output end of the feeding track 23.
Preferably, the feeding driving mechanism 9 comprises a second protective shell 901 fixed in the frame 1, a stepping motor 902 and a shaft seat 903 are installed in the second protective shell 901, a first driven shaft 904 is installed in the shaft seat 903, a driven pulley 905 is installed on the first driven shaft 904, the upper end of the first driven shaft 904 extends out of the second protective shell 901 and is provided with a rubber wheel 906, a driving pulley 907 is installed at the output end of the stepping motor 902, the driving pulley 907 is in tensioning connection with the driven pulley 905 through a transmission belt 908, a second transmission shaft 909 is installed in a connecting sleeve 711, the lower end of the second transmission shaft 909 extends out of the bracket 701 and is provided with a one-way wheel 910, the second transmission shaft 909 is connected with the bracket 701 through a bearing, and when the nut bearing mechanism 7 is parked at the feeding station 111, the one-way wheel 910 is in compressing transmission connection with the rubber wheel 906.
Preferably, the unidirectional wheel 910 is locked in the direction of rotation of the rotating frame 6 and free to rotate in the other direction. Inside the unidirectional wheel 910 is a unidirectional bearing, and an anti-skid wheel is installed on the outer ring of the unidirectional bearing, so that unidirectional transmission is realized.
Preferably, when the rotary disk 704 is stopped at the feeding station 111, the free ends of the two arc-shaped clamping plates 82 form a channel 17, and the nuts 15 at the output end of the feeding track 23 enter the U-shaped notch 708 through the channel 17.
Preferably, a fixed arc plate 27 is fixed at one side of the output end of the feeding track 23 along the rotation direction of the rotating frame 6, and the fixed arc plate 27 is used for limiting the nut 15 in the U-shaped notch 708 from being separated from the channel 17.
The working principle of the embodiment is as follows: the vibration plate 21 conveys the nuts 15 to the feeding rail 23, and the linear feeder 22 vibrates the feeding rail 23 to move the nuts 15 to the output end of the feeding rail 23 and is blocked by the baffle 26;
the rotary table 4 is driven by a servo motor, the rotary table 4 drives the rotary shaft 5 to rotate anticlockwise, a flange is arranged at the bottom end of the rotary shaft 5 and is convenient to install on the rotary table 4, the rotary shaft 5 is coaxial with the central line of the rotary frame 6 and drives the rotary frame 6 to rotate, the rotary table 4 is controlled to rotate regularly through programming arranged by the control system, the rotary disc 704 is enabled to rotate anticlockwise each time, and the rotary disc 704 is intermittently driven to rotate to the feeding station 111, the tapping station 121 and the blanking station 131 in sequence; in the process that the rotating disc 704 rotates from the nut feeding chamber 11 to the nut tapping chamber 12 and from the nut tapping chamber 12 to the nut discharging chamber 13, and the cross supporting plate 703 is not contacted with the stop lever 16, the position relation between the nut bearing mechanism 7 and the clamping mechanism 8 is always kept as shown in fig. 10, and the structure at the nut tapping chamber 12, namely the state that the arc clamping plate 82 clamps the nut 15, avoids the separation of the nut 15;
when the nut bearing mechanism 7 rotates to the nut feeding chamber 11, the unidirectional wheel 910 is in contact with and tightly pressed against the rubber wheel 906, and as the unidirectional wheel 910 is locked in the rotating direction of the rotating frame 6, namely, is locked anticlockwise, and is free to rotate in the other direction, namely, is free to rotate clockwise, in the process that the unidirectional wheel 910 is in contact with and tightly pressed against the rubber wheel 906, the unidirectional wheel 910 is free to rotate clockwise under the friction force of the rubber wheel 906, and the second transmission shaft 909 and the rotating disc 704 are not driven to rotate;
after the rotation degree of the rotating disc 704, the nut bearing mechanism 7 rotates to the nut feeding chamber 11 and stops, at the moment, the left end of the unidirectional wheel 910 is tightly pressed and attached to the right end of the rubber wheel 906, the push-pull electromagnet 25 controls the output of the nut 15, the push-pull electromagnet 25 drives the baffle 26 to ascend, the baffle 26 does not block the nut 15 in the feeding track 23 any more, the feeding track 23 conveys the nut 15 to the feeding station 111, the nut 15 enters the channel 17 and moves to a position contacted with the edge of the rotating disc 704, the U-shaped notch 708 at the moment is also positioned at the inner side of the arc-shaped clamping plate 82, and the nut 15 cannot directly enter the U-shaped notch 708; then the step motor 902 drives the driven pulley 905, the first transmission shaft and the rubber wheel 906 to rotate clockwise through the driving pulley 907 and the transmission belt 908, the rubber wheel 906 presses the unidirectional wheel 910 to compress and drives the unidirectional wheel 910 to rotate anticlockwise through friction force, the unidirectional wheel 910 drives the second transmission shaft 909, the connecting sleeve 711 and the rotating disc 704 to rotate anticlockwise, the first U-shaped notch 708 is stopped at the feeding station 111, the nut 15 enters the U-shaped notch 708, the cross support plate 703 carries the nut 15, the step motor 902 drives the rotating disc 704 to rotate anticlockwise, the second U-shaped notch 708 is stopped at the feeding station 111 to feed, meanwhile, the nut 15 in the first U-shaped notch 708 enters the inner side of the arc clamping plate 82 after being guided by the limit of the fixed arc plate 27, the step motor 902 drives the rotating disc 704 to rotate anticlockwise, the third U-shaped notch 708 is stopped at the feeding station 111 to feed, the step motor 902 drives the rotating disc 704 to rotate anticlockwise, the fourth U-shaped notch 708 is stopped at the feeding station 111 to feed, and finally, the step motor 902 drives the rotating disc 704 to rotate anticlockwise, the inner side of the U-shaped notch 708 is stopped at the feeding station 704 to rotate anticlockwise, and the length of the cross support plate 703 is clamped by the arc clamping plate 82, and the arc clamping length of the nut 82 is clamped by the arc clamping plate 82; the push-pull electromagnet 25 drives the baffle 26 to descend, and the baffle 26 stops the nuts 15 in the feeding track 23 again, so that the nuts 15 are prevented from falling down when the rotating disc 704 rotates; when the rotating disc 704 rotates, the push block 706 pushes the cross supporting plate 703 to rotate, so that the cross supporting plate 703 and the rotating disc 704 synchronously rotate, and the cross supporting plate 703 is ensured to always bear the nuts 15;
during the process, the tapping mechanism 3 processes the nuts 15 borne on the nut bearing mechanism 7 which rotates and stops to the nut tapping chamber 12, the nuts 15 borne on the nut bearing mechanism 7 are positioned right below the screw taps 309, the servo cylinder 306 drives the lifting plate 303 and the screw taps 309 to descend, the lifting plate 303 is enabled to stably and linearly descend through the guide sleeve 304 and the guide post 305, the rotating motor 307 drives the screw taps 309 to rotate through the tapping chuck 308, the screw taps 309 rotate to descend and align with the nuts 15 for tapping, scraps generated by tapping are discharged through the chip discharge ports 709, after tapping is finished, the servo cylinder 306 drives the lifting plate 303 and the screw taps 309 to ascend, the screw taps 309 are far away from the nuts 15, and tapping and feeding are basically finished simultaneously;
the rotary table 4 drives the rotary frame 6 to rotate anticlockwise, so that the tapped nut 15 moves to the nut unloading chamber 13, after the stop lever 16 contacts with the cross support plate 703, the stop lever 16 toggles the cross support plate 703, the cross support plate 703 rotates relative to the rotary disc 704, the tension springs 707 stretch, when the cross support plate 703 rotates, the two arc clamping plates 82 are gradually spread, the distance between the arc clamping plates 82 is increased, the nut 15 is not clamped, when the cross support plate 703 is far away from the U-shaped groove, the nut 15 loses the load of the cross support plate 703, the nut 15 falls to the nut unloading chamber 13 from the U-shaped notch 708, and after the cross support plate 703 passes through the stop lever 16, the cross support plate 703 returns to the original position under the action of the tension springs 707 and the limiting action of the push blocks 706, so that the nut 15 is conveniently carried again. The nut 15 is automatically processed by this cycle.
The above technical solution only represents the preferred technical solution of the present invention, and some changes that may be made by those skilled in the art to some parts of the technical solution represent the principles of the present invention, and the technical solution falls within the scope of the present invention.
Claims (6)
1. The utility model provides a full-automatic nut processingequipment, includes frame (1), feeding mechanism (2) and tapping mechanism (3), its characterized in that, be equipped with nut material loading room (11), nut tapping room (12) and nut unloading room (13) in frame (1), nut material loading room (11), nut tapping room (12) and nut unloading room (13) have material loading station (111), tapping station (121) and unloading station (131) respectively, the output of feeding mechanism (2) extends to material loading station (111), frame (1) internal fixation has first protecting crust (14), install swivel work head (4) in first protecting crust (14), install pivot (5) on the rotatory terminal surface of swivel work head (4) vertically, first protecting crust (14) are stretched out and are fixed with swivel mount (6) in pivot (5) upper end, swivel mount (6) are three fork type and all are fixed with nut bearing mechanism (7) their tip;
the nut bearing mechanism (7) comprises a bracket (701) fixed at the end part of the rotating frame (6), a rotary bearing (702) is arranged on the bracket (701), a cross-shaped notch (708) which is distributed circumferentially and is used for accommodating a nut (15) is arranged on the rotary bearing (702), a rotating disc (704) is arranged on the upper end surface of the cross-shaped notch (703), a fixed block (705) and a push block (706) are fixed on the lower end surface of the rotating disc (704), a tension spring (707) is arranged between the fixed block (705) and the cross-shaped notch (703), the tension spring (707) pulls the cross-shaped notch (703) to enable the push block (706) to be attached to the cross-shaped notch (703), four U-shaped notches (708) which are distributed circumferentially and are used for accommodating the nut (15) are arranged at the edge of the rotating disc (704), the edge of the nut (15) extends out of the U-shaped notch (708), the edge of the cross-shaped notch (703) is matched with the U-shaped notch (708) to bear the nut (15), the edge of the cross-shaped notch (703) does not extend out of the U-shaped notch (708) beyond the edge of the nut (708), the edge of the cross-shaped notch (703) is correspondingly provided with the U-shaped notch (708), a connecting sleeve (711) is fixed at the center of the lower end of the rotating disc (704), the connecting sleeve (711) is rotatably arranged in the opening (710), and the axis of the rotating disc (704) is coaxial with the axis of the cross supporting plate (703);
the rotary table (4) intermittently drives the rotary disc (704) to sequentially rotate to the feeding station (111), the tapping station (121) and the discharging station (131), clamping mechanisms (8) which are in one-to-one correspondence with the nut bearing mechanisms (7) are arranged on the rotary frame (6), the clamping mechanisms (8) are used for limiting the nuts (15) to be separated from the U-shaped notches (708) in the radial direction, and the tapping mechanism (3) is arranged in the nut tapping chamber (12) and is used for tapping the nuts (15) which are stopped at the tapping station (121);
a feeding driving mechanism (9) is arranged in the nut feeding chamber (11), and the feeding driving mechanism (9) drives the nut bearing mechanism (7) which is stopped at the feeding station (111) to rotate so that the U-shaped notches (708) pass through the feeding station (111) one by one and are clamped into the nuts (15);
the feeding mechanism (2) comprises a vibration disc (21), a linear feeder (22) and a feeding track (23), the feeding track (23) is in vibration connection with the linear feeder (22), the input end of the feeding track (23) is communicated with the vibration disc (21), the output end of the feeding track (23) extends to a feeding station (111), a supporting frame (24) is fixed at the output end of the feeding track (23), a push-pull electromagnet (25) is mounted on the supporting frame (24), a baffle (26) is mounted on a push-pull rod of the push-pull electromagnet (25), and the baffle (26) controls a nut (15) to pass through at the output end of the feeding track (23);
the feeding driving mechanism (9) comprises a second protective shell (901) fixed in the frame (1), a stepping motor (902) and a shaft seat (903) are installed in the second protective shell (901), a first driven shaft (904) is installed in the shaft seat (903), a driven pulley (905) is installed on the first driven shaft (904), the upper end of the first driven shaft (904) extends out of the second protective shell (901) and is provided with a rubber wheel (906), the output end of the stepping motor (902) is provided with a driving pulley (907), the driving pulley (907) is in tensioning connection with the driven pulley (905) through a driving belt (908), a second transmission shaft (909) is installed in the connecting sleeve (711), the lower end of the second transmission shaft (909) extends out of the bracket (701) and is provided with a one-way wheel (910), and when the nut bearing mechanism (7) is parked at the feeding station (111), the one-way wheel (910) is in compressing transmission connection with the rubber wheel (906).
The unidirectional wheel (910) is locked in the rotation direction of the rotating frame (6) and freely rotates in the other direction;
one side of the output end of the feeding track (23) along the rotating direction of the rotating frame (6) is fixed with a fixed arc plate (27), and the fixed arc plate (27) is used for limiting the nut (15) in the U-shaped notch (708) to be separated from the channel (17).
2. The full-automatic nut processing device according to claim 1, wherein the tapping mechanism (3) comprises a supporting column (301), a fixing plate (302), a lifting plate (303), a guide sleeve (304), guide posts (305), a servo cylinder (306), a rotating motor (307), tapping chucks (308) and a tap (309), the fixing plate (302) is fixed on the frame (1) through the supporting column (301), the servo cylinder (306) and two guide sleeves (304) are mounted on the fixing plate (302), the output end of the servo cylinder (306) is connected with the lifting plate (303), guide posts (305) are slidably inserted in the guide sleeves (304), the lower end of the guide posts (305) is fixedly connected with the lifting plate (303), the lifting plate (303) is provided with four rotating motors (307), the rotating motors (307) are connected with the tap (309) through the tapping chucks (308), and the tap (309) are in one-to-one correspondence with chip removal ports (709) at a tapping station (121).
3. The full-automatic nut processing device according to claim 2, wherein the clamping mechanism (8) comprises a pin shaft (81) fixed on the rotating frame (6), the axis of the pin shaft (81) is on the same vertical plane with the axis of the rotating shaft (5) and the axis of the rotating disc (704), two symmetrical arc clamping plates (82) are hinged on the pin shaft (81), a torsion spring (83) is sleeved on the pin shaft (81), and two ends of the torsion spring (83) are fixedly connected with the two arc clamping plates (82) respectively.
4. A fully automatic nut processing device according to claim 3, characterized in that when the cross pallet (703) is not rotated relative to the rotating disc (704), two arc-shaped clamping plates (82) clamp the edges of the nut (15) to fix the nut (15); when the cross support plate (703) rotates relative to the rotating disc (704), the cross support plate (703) stretches the two arc-shaped clamping plates (82) away from the nut (15).
5. The full-automatic nut processing device according to claim 4, wherein a stop lever (16) is fixed in the nut unloading chamber (13), the cross support plate (703) contacts with the stop lever (16) when moving to the unloading station (131), and the stop lever (16) toggles the cross support plate (703) to rotate relative to the rotating disc (704) so as to enable the cross support plate (703) to be far away from the U-shaped groove.
6. A fully automatic nut processing device according to claim 3, characterized in that the free ends of the two arc-shaped clamping plates (82) form a channel (17) when the rotating disc (704) is parked at the feeding station (111), and the nuts (15) at the output end of the feeding track (23) enter the U-shaped gap (708) through the channel (17).
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| CN202010098383.6A CN111069717B (en) | 2020-02-19 | 2020-02-19 | Full-automatic nut processingequipment |
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| CN202010098383.6A CN111069717B (en) | 2020-02-19 | 2020-02-19 | Full-automatic nut processingequipment |
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| CN111069717B true CN111069717B (en) | 2024-04-16 |
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|---|---|---|---|---|
| CN111421194A (en) * | 2020-05-13 | 2020-07-17 | 刘志文 | Automatic tapping machine for manufacturing and processing movable joint of metal pipe fitting |
| CN111618570B (en) * | 2020-06-09 | 2021-06-01 | 太仓市律点信息技术有限公司 | Automatic workpiece combination machine |
| CN113414455B (en) * | 2020-09-06 | 2024-06-04 | 湖北博士隆科技股份有限公司 | Full-automatic I-shaped nut assembly tapping system |
| CN112404993B (en) * | 2020-09-27 | 2022-05-20 | 中机精冲科技（福建）有限公司 | Embedded nut automatic production line |
| CN112548234B (en) * | 2020-12-12 | 2023-07-11 | 邯郸市晓军紧固件制造有限公司 | Automatic tapping device for nuts |
| CN112917220A (en) * | 2021-01-30 | 2021-06-08 | 谷献成 | Part feeding and taking device convenient for horizontal machining center |
| CN113894367A (en) * | 2021-10-25 | 2022-01-07 | 温州协达五金科技股份有限公司 | Hexagonal slotted nut tapping vibration feeding device |
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| GB2067114A (en) * | 1979-11-15 | 1981-07-22 | Westlane Ind Inc | Machine for tapping nuts |
| CN205362907U (en) * | 2016-01-15 | 2016-07-06 | 瑞安市威孚标准件有限公司 | Nut tapping machine constructs |
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