CN109877587A - A kind of automatic punching tapping device - Google Patents
A kind of automatic punching tapping device Download PDFInfo
- Publication number
- CN109877587A CN109877587A CN201910313493.7A CN201910313493A CN109877587A CN 109877587 A CN109877587 A CN 109877587A CN 201910313493 A CN201910313493 A CN 201910313493A CN 109877587 A CN109877587 A CN 109877587A
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- workbench
- sucker
- conveying
- fixed
- delivery track
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Abstract
The object of the present invention is to provide a kind of mechanism is reasonable, it is safe and practical, process velocity is fast, the extensive automatic punching tapping device of use scope, including rack, feeding mechanism, transport establishment, perforating mechanism, tapping mechanism, the rack is cuboid and hollow structure, the rack includes workbench and fixing seat, the workbench is rack upper surface, the feeding mechanism is located on the right side of workbench, the feeding mechanism includes vibrating disk and rack, the vibrating disk is located above rack, it is bolted and is fixed on rack, chute feeder is connected on the left of the vibrating disk, the chute feeder installation and workbench right side, the chute feeder side is equipped with mounting hole, it is bolted and is fixed on workbench.
Description
Technical field
The present invention relates to casting manufacturing field, in particular to a kind of automatic punching tapping device.
Background technique
It will do it punching and tapping process in precision casting processing, then existing market generally can first punch workpiece
It reuses screw tap and carries out tapping, artificial feeding when general processing, efficiency is very low, and workpiece consistency is poor, safety when processing
Also it cannot be guaranteed, therefore, we overcome disadvantages described above it is necessary to improve to existing device.
Summary of the invention
That the object of the present invention is to provide a kind of mechanisms is reasonable, safe and practical, process velocity is fast, use scope is widely automatic
Punch tapping device.
The present invention be solve its technical problem the technical scheme adopted is that
A kind of automatic punching tapping device, including rack, feeding mechanism, transport establishment, perforating mechanism, tooth machining unit are provided
Structure, the rack are cuboid and hollow structure, and the rack includes workbench and fixing seat, and the workbench is table in rack
Face, the feeding mechanism are located on the right side of workbench, and the feeding mechanism includes vibrating disk and rack, and the vibrating disk, which is located at, to be put
Set above frame, be bolted and be fixed on rack, connect chute feeder on the left of the vibrating disk, the chute feeder installation with
On the right side of workbench, the chute feeder side is equipped with mounting hole, is bolted and is fixed on workbench；It is set on the left of the chute feeder
Have a conveying mechanism, the structure for conveying include delivery track, block, bottom plate, the 4th cylinder, fixed block, guiding piece, axis of traction,
Fixed bracket, mounting plate first convey sucker, the second conveying sucker and third and convey sucker, and the delivery track is set to work
On platform, the delivery track has two, respectively the first delivery track and the second delivery track, second delivery track and
One delivery track is installed in parallel, and the second delivery track structure is consistent with the first delivery track structure, first conveyor track
Road is located at workbench rear, and first delivery track both ends are equipped with block, and the block designs for L-type, and the block is equipped with
Mounting hole, the block, which is bolted, is fixed on workbench, second delivery track and first for the first delivery track
Delivery track is installed in parallel, and the second delivery track structure is consistent with the first delivery track structure, first delivery track
With open up traction grooved among the second delivery track, the 4th cylinder is equipped on the right side of the traction grooved, the 4th cylinder both ends are equipped with
Fixinig plate, described fixinig plate one end are equipped with through-hole, and other end bending is simultaneously equipped with several mounting holes, and the 4th cylinder both ends are set
There is mounting groove, the 4th cylinder both ends pass through fixinig plate through-hole, are fastened by bolts, and the fixinig plate passes through mounting hole screw thread
It is anchored on workbench bottom surface, the 4th cylinder left end extends an axis of traction, and the axis of traction right end connects guiding piece, described
Guiding piece is connected with axis of traction using bolt is vertical, and the guiding piece upper end is connect with bottom plate, first delivery track and
Bottom plate is equipped with above two delivery tracks, two sides are equipped with movable pulley below the bottom plate, and the movable pulley is bonded with delivery track, institute
It states and branch fixed frame is installed among bottom plate, connection plate above the fixed bracket sets that there are three outside structure on the mounting plate
The consistent conveying sucker of shape: the first conveying sucker, the second conveying sucker and third convey sucker, and the first conveying sucker includes
Cylinder, telescopic rod, link block, fixed plate and sucker, the cylinder are located at mounting plate right end, and the cylinder side surface is connected by bolt
Fixation is connect, the cylinder lower end is equipped with telescopic rod, and the telescopic rod lower end is connect with link block, and connection is solid below the link block
Fixed board, described fixed plate one end are fixed with link block, and the other end is equipped with circular through hole, are equipped with sucker, the suction in the through-hole
Disk is bolted across through-hole and fixes with fixed plate, and the second conveying sucker is located among mounting plate, and the third is defeated
Sucker is sent to be located at mounting plate left end, the first feeding sucker is arranged right below chute feeder.
Further, it is equipped with organisation of working in front of the conveying mechanism, the organisation of working includes perforating mechanism and tapping
Mechanism, the perforating mechanism include first motor, first motor fixed frame, punching rotary head fixing seat and punching rotary head, and described the
One motor fixing frame is located in front of workbench, and first motor fixed frame two sides are equipped with mounting hole, and the first motor is fixed
First motor is equipped with inside frame, the first motor fixed frame, which is bolted, is fixed on workbench, and the first motor is prolonged
The first output shaft is stretched, the first output shaft end is equipped with punching rotary head fixing seat, the punching rotary head fixing seat connection punching
Rotary head.
Further, tapping mechanism is equipped on the left of the perforating mechanism, the tapping mechanism includes the second motor, the second electricity
Machine fixed frame, tapping rotary head fixing seat and tapping rotary head, second motor fixing frame two sides are equipped with mounting hole, second electricity
The second motor is equipped with inside machine fixed frame, second motor fixing frame, which is bolted, is fixed on workbench, tells second
Motor extends the second output shaft, and the second output shaft end is equipped with tapping rotary head fixing seat, and the tapping rotary head fixing seat connects
Connect tapping rotary head.
Further, the spacing and the second conveying sucker and third of the first conveying sucker and the second conveying sucker convey
The spacing of sucker is consistent, and the spacing between the conveying sucker is consistent with the spacing of punching rotary head and tapping rotary head.
Further, the rack includes workbench and fixing seat, and the workbench is equipped with control cabinet, the control
Cabinet includes touch screen, control switch and indicator light, and below workbench, the fixing seat lower end is equipped with four for the fixed seating
A support leg installs idler wheel on the support leg side.
Further, the workbench is equipped with the first locating piece and the second locating piece, and first locating piece, which is located at, to be beaten
On the left of holes mechanism, first locating piece side is left equipped with several mounting holes, second locating piece and positioned at tapping mechanism
Side, second locating piece side are equipped with several mounting holes, and first locating piece and the second locating piece are bolted
It is connect with workbench.
Further, the rack is located on the right side of workbench, and the rack is slightly below workbench, and the vibrating disk is led
Rail outlet connection chute feeder.
It is an advantage of the current invention that can automate feeding by the design of vibrating disk, working efficiency, worker are improved
Operate more convenient safety；By perforating mechanism and the integrated design of tapping mechanism, so that two procedures are needed originally, two
The work that lathe could be completed can be completed as long as primary now, improve working efficiency, save the cost；Pass through three conveying suckers
Design, when so that workpiece being processed, it is no longer necessary to which manual operation by workers makes process automation, greatly improves work
Efficiency；To sum up tell, the present invention is novel in design, clever structure, with it is safe and practical, facilitate operation, improve the excellent of working efficiency
Point.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of automatic punching tapping device proposed by the present invention.
Fig. 2 is a kind of top view of automatic punching tapping device proposed by the present invention.
Fig. 3 is the structural schematic diagram of conveying mechanism proposed by the present invention.
Fig. 4 is the structural schematic diagram of conveying mechanism proposed by the present invention.
Fig. 5 is the structural schematic diagram of conveying sucker proposed by the present invention.
Fig. 6 is the structural schematic diagram of tapping mechanism proposed by the present invention.
Fig. 7 is the structural schematic diagram of perforating mechanism proposed by the present invention.
1- fixing seat；2- workbench；3- support leg；4- idler wheel；5- conveying mechanism；6- locating piece；7- tapping mechanism；8- is beaten
Holes mechanism；9- controls cabinet；10- indicator light；11- vibrating disk；12- rack；13- chute feeder；51- delivery track；52- gear
Block；53- traction grooved；54- guiding piece；55- bottom plate；56- fixes bracket；57- mounting plate；58- first conveys sucker；59- second
Convey sucker；510- third conveys sucker；The 4th cylinder of 511-；512- fixinig plate；513- axis of traction；514- movable pulley；581-
Cylinder；582- telescopic rod；583- link block；584- fixed plate；585- sucker；The second motor fixing frame of 71-；The second motor of 72-；
73- tapping rotary head fixing seat；74- tapping rotary head；81- first motor fixed frame；82- first motor；83- punching rotary head is fixed
Seat；84- punches rotary head.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Diagram and specific embodiment are closed, the present invention is further explained.
As shown in FIG. 1 to FIG. 7, a kind of automatic punching tapping device proposed by the present invention, including it is rack, feeding mechanism, defeated
Mechanism (5), perforating mechanism (8), tapping mechanism (7) are sent, the rack is cuboid and hollow structure, and the rack includes work
Platform (2) and fixing seat (1), the workbench (2) are rack upper surface, and the feeding mechanism is located on the right side of workbench (2), described
Feeding mechanism includes vibrating disk (11) and rack (12), and the vibrating disk (11) is located above rack (12) and is connected by bolt
It connects and is fixed on rack (12), connect chute feeder (13) on the left of the vibrating disk (11), chute feeder (13) installation and work
Make on the right side of platform (2), chute feeder (13) side is equipped with mounting hole, is bolted and is fixed on workbench (2)；The feeding
Conveying mechanism (5) are equipped on the left of slot (13), the structure for conveying (5) include delivery track (51), block (52), bottom plate (55),
4th cylinder (511), fixed block (512), guiding piece (54), axis of traction (513), fixed bracket (56), mounting plate (57), first
It conveys sucker (58), the second conveying sucker (59) and third conveying sucker (510), the delivery track (51) and is set to workbench
(2) on, the delivery track (51) has two, respectively the first delivery track and the second delivery track, second conveyor track
Road is parallel with the first delivery track to be installed, and the second delivery track structure is consistent with the first delivery track structure, and described first
Delivery track both ends are equipped with block (52), and the block (52) is designed for L-type, and the block (52) is equipped with mounting hole, the gear
Block (52), which is bolted, is fixed on the first delivery track workbench (2), first delivery track and the second conveyor track
It is opened up among road traction grooved (53), the 4th cylinder (511), the 4th cylinder (511) two is equipped on the right side of the traction grooved (53)
End is equipped with fixinig plate (512), and described fixinig plate (512) one end is equipped with through-hole, and other end bending is simultaneously equipped with several mounting holes, institute
The 4th cylinder (511) both ends are stated equipped with mounting groove, the 4th cylinder (511) both ends pass through fixinig plate (512) through-hole, pass through spiral shell
Bolt fastening, the fixinig plate (512) are screwed to workbench (2) bottom surface, the 4th cylinder (511) left end by mounting hole
Extend an axis of traction (513), axis of traction (513) right end connects guiding piece (54), the guiding piece (54) and axis of traction
(513) it is vertically connected using bolt, guiding piece (54) upper end is connect with bottom plate (55), first delivery track and second
Bottom plate (55) are equipped with above delivery track, two sides are equipped with movable pulley (514) below the bottom plate (55), the movable pulley (514)
It is bonded with delivery track (51), the intermediate mounting and fixing bracket (56) of the bottom plate (55), connection above the fixed bracket (56)
Mounting plate (57), sets that there are three the consistent conveying suckers of construction profile on the mounting plate (57): the first conveying sucker (58), the
Two conveyings sucker (59) and third conveying sucker (510), first conveying sucker (58) includes cylinder (581), telescopic rod
(582), link block (583), fixed plate (584) and sucker (585), the cylinder (581) is located at mounting plate (57) right end, described
Cylinder (581) side is bolted to be fixed with mounting plate (57), and cylinder (581) lower end is equipped with telescopic rod (582), institute
It states telescopic rod (582) lower end to connect with link block (583), be connected and fixed plate (584) below the link block (583), it is described solid
Fixed board (584) one end and link block (583) are fixed, and the other end is equipped with circular through hole, are equipped with sucker (585) in the through-hole, institute
It states sucker (585) and is bolted across through-hole fixed with fixed plate (584), second conveying sucker (59) is located at installation
Plate (57) is intermediate, and third conveying sucker (510) is located at mounting plate (57) left end, the lower section of the first feeding sucker (58)
Equipped with chute feeder (13).
Further, it is equipped with organisation of working in front of the conveying mechanism (5), the organisation of working includes perforating mechanism (8)
With tapping mechanism (7), the perforating mechanism (8) include first motor (82), first motor fixed frame (81), punching rotary head fix
Seat (83) and punching rotary head (84), the first motor fixed frame (81) are located in front of workbench (2), and the first motor is fixed
Frame (81) two sides are equipped with mounting hole, are equipped with first motor (82) inside the first motor fixed frame (81), the first motor
Fixed frame (81), which is bolted, to be fixed on workbench (2), the first output shaft of first motor (82) extension, and described first
It exports shaft end and is equipped with punching rotary head fixing seat (83), punching rotary head fixing seat (83) connection punching rotary head (84).
Further, tapping mechanism (7) are equipped on the left of the perforating mechanism (8), the tapping mechanism (7) includes the second electricity
Machine (72), the second motor fixing frame (71), tapping rotary head fixing seat (73) and tapping rotary head (74), second motor fixing frame
(71) two sides are equipped with mounting hole, are equipped with the second motor (72) inside second motor fixing frame (71), second motor is solid
Determine frame (71) and be bolted to be fixed on workbench (2), tells that the second motor (72) extend the second output shaft, described second is defeated
Shaft end is equipped with tapping rotary head fixing seat (73) out, and the tapping rotary head fixing seat (73) connects tapping rotary head (74).
Further, the spacing and the second conveying sucker of first conveying sucker (58) and the second conveying sucker (59)
(59) consistent with the third conveying spacing of sucker (510), spacing and punching rotary head (84) and tapping between the conveying sucker
The spacing of rotary head (74) is consistent.
Further, the rack includes workbench (2) and fixing seat (1), and the workbench (3) is equipped with control cabinet
(9), the control cabinet (9) includes touch screen, control switch and indicator light (10), and the fixing seat (1) is located at workbench (2)
Lower section, fixing seat (2) lower end are set there are four support leg (3), install idler wheel (4) on support leg (3) side.
Further, there are two being set on the workbench (2) locating piece (6): the first locating piece and the second locating piece, it is described
First locating piece is located on the left of perforating mechanism (8), and first locating piece side is equipped with several mounting holes, second positioning
Block be located on the left of tapping mechanism (7), second locating piece side is equipped with several mounting holes, first locating piece and the
Two locating pieces are bolted to be connect with workbench (2).
Further, the rack (12) is located on the right side of workbench (2), and the rack (12) is slightly below workbench,
Vibrating disk guide rail outlet connection chute feeder (13).
Working principle: opening control switch, and casting to be processed is put into vibrating disk, and the vibrating disk is by casting to be processed
It is delivered to chute feeder, the conveying sucker moves downward, and casting to be processed in chute feeder, axis of traction band is sucked in third conveying sucker
Dynamic bottom plate is moved downward to stopping at block, and third conveying sucker puts down downwards casting to be processed, and the perforating mechanism is beaten
Hole, the conveying mechanism reset, and conveying sucker moves downward again, and casting to be processed in chute feeder is sucked in third conveying sucker,
The casting for having completed drilling process is sucked in second conveying sucker, and axis of traction drives bottom plate to move downward to block again, the
Three conveying suckers and the second conveying sucker put down casting, carry out punching and tapping process respectively, and conveying mechanism resets, and conveys sucker
It moves downward, casting to be processed is sucked in third conveying sucker, and the second conveying sucker, which is sucked, completes drilling process casting, the first conveying
Finished product cast is sucked in sucker, and axis of traction drives bottom plate to move downward to block, and finished product cast is transported to by the first conveying sucker
Finished product laydown area on the left of workbench completes processing.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent defines.
Claims (7)
1. a kind of automatic punching tapping device, including rack, feeding mechanism, conveying mechanism (5), perforating mechanism (8), tapping mechanism
(7), which is characterized in that the rack is cuboid and hollow structure, and the rack includes workbench (2) and fixing seat (1), institute
Stating workbench (2) is rack upper surface, and the feeding mechanism is located on the right side of workbench (2), and the feeding mechanism includes vibrating disk
(11) and rack (12), the vibrating disk (11), which is located to be bolted above rack (12), is fixed on rack (12)
On, chute feeder (13) are connected on the left of the vibrating disk (11), chute feeder (13) installation and workbench (2) right side are described to send
Hopper (13) side is equipped with mounting hole, is bolted and is fixed on workbench (2)；Conveying is equipped on the left of the chute feeder (13)
Mechanism (5), the structure for conveying (5) include delivery track (51), block (52), bottom plate (55), the 4th cylinder (511), fix
Block (512), guiding piece (54), axis of traction (513), fixed bracket (56), mounting plate (57), the first conveying sucker (58), second
Sucker (59) and third conveying sucker (510) are conveyed, the delivery track (51) is set on workbench (2), the conveyor track
Road (51) has two, respectively the first delivery track and the second delivery track, second delivery track and the first delivery track
Parallel installation, the second delivery track structure is consistent with the first delivery track structure, and first delivery track both ends are equipped with
Block (52), the block (52) are designed for L-type, and the block (52) is equipped with mounting hole, and the block (52) is connected by bolt
It connects and is fixed on the first delivery track workbench (2), open up traction grooved among first delivery track and the second delivery track
(53), the 4th cylinder (511) is equipped on the right side of the traction grooved (53), the 4th cylinder (511) both ends are equipped with fixinig plate
(512), described fixinig plate (512) one end is equipped with through-hole, and other end bending is simultaneously equipped with several mounting holes, the 4th cylinder
(511) both ends are equipped with mounting groove, and the 4th cylinder (511) both ends pass through fixinig plate (512) through-hole, are fastened by bolts, institute
It states fixinig plate (512) and workbench (2) bottom surface is screwed to by mounting hole, the 4th cylinder (511) left end extends one
Axis of traction (513), axis of traction (513) right end connect guiding piece (54), and the guiding piece (54) and axis of traction (513) use
Bolt vertically connects, and guiding piece (54) upper end is connect with bottom plate (55), first delivery track and the second delivery track
Top is equipped with bottom plate (55), and two sides are equipped with movable pulley (514), the movable pulley (514) and conveyor track below the bottom plate (55)
Road (51) fitting, the intermediate mounting and fixing bracket (56) of the bottom plate (55), fixed bracket (56) the top connection plate
(57), the consistent conveying sucker of construction profile there are three being set on the mounting plate (57): the first conveying sucker (58), the second conveying
Sucker (59) and third conveying sucker (510), first conveying sucker (58) include cylinder (581), telescopic rod (582), connect
Block (583), fixed plate (584) and sucker (585) are connect, the cylinder (581) is located at mounting plate (57) right end, the cylinder
(581) side is bolted fixed with mounting plate (57), and cylinder (581) lower end is equipped with telescopic rod (582), described to stretch
Contracting bar (582) lower end is connect with link block (583), is connected and fixed plate (584), the fixed plate below the link block (583)
(584) one end and link block (583) are fixed, and the other end is equipped with circular through hole, are equipped with sucker (585) in the through-hole, the suction
Disk (585) is bolted across through-hole and fixes with fixed plate (584), and second conveying sucker (59) is located at mounting plate
(57) intermediate, third conveying sucker (510) is located at mounting plate (57) left end, sets below the first feeding sucker (58)
There are chute feeder (13).
2. automatic punching tapping device according to claim 1, which is characterized in that set in front of the conveying mechanism (5)
There is organisation of working, the organisation of working includes perforating mechanism (8) and tapping mechanism (7), and the perforating mechanism (8) includes the first electricity
Machine (82), first motor fixed frame (81), punching rotary head fixing seat (83) and punching rotary head (84), the first motor fixed frame
(81) it is located in front of workbench (2), first motor fixed frame (81) two sides are equipped with mounting hole, the first motor fixed frame
(81) internal to be equipped with first motor (82), the first motor fixed frame (81), which is bolted, is fixed on workbench (2), institute
It states first motor (82) and extends the first output shaft, the first output shaft end is equipped with punching rotary head fixing seat (83), described to beat
Hole rotary head fixing seat (83) connection punching rotary head (84).
3. automatic punching tapping device according to claim 1, which is characterized in that set on the left of the perforating mechanism (8)
Have tapping mechanism (7), the tapping mechanism (7) is fixed including the second motor (72), the second motor fixing frame (71), tapping rotary head
Seat (73) and tapping rotary head (74), the second motor fixing frame (71) two sides are equipped with mounting hole, second motor fixing frame
(71) internal to be equipped with the second motor (72), second motor fixing frame (71), which is bolted, is fixed on workbench (2), institute
Tell that the second motor (72) extend the second output shaft, the second output shaft end is equipped with tapping rotary head fixing seat (73), described to attack
Tooth rotary head fixing seat (73) connects tapping rotary head (74).
4. automatic punching tapping device according to claim 1, which is characterized in that it is described first conveying sucker (58) with
The spacing of second conveying sucker (59) and the second conveying sucker (59) are consistent with the third conveying spacing of sucker (510), described defeated
Send the spacing between sucker consistent with the spacing of punching rotary head (84) and tapping rotary head (74).
5. automatic punching tapping device according to claim 1, which is characterized in that the rack includes workbench (2)
With fixing seat (1), the workbench (3) is equipped with control cabinet (9), and the control cabinet (9) includes touch screen, control switch
With indicator light (10), the fixing seat (1) is located at below workbench (2), and fixing seat (2) lower end sets that there are four support legs
(3), idler wheel (4) are installed on support leg (3) side.
6. automatic punching tapping device according to claim 1, which is characterized in that the workbench (2) is equipped with two
A locating piece (6): the first locating piece and the second locating piece, first locating piece are located on the left of perforating mechanism (8), and described first
Locating piece side is equipped with several mounting holes, second locating piece and on the left of tapping mechanism (7), second locating piece
Side is equipped with several mounting holes, and first locating piece and the second locating piece are bolted and connect with workbench (2).
7. automatic punching tapping device according to claim 1, which is characterized in that the rack (12) is located at work
On the right side of platform (2), the rack (12) is slightly below workbench, vibrating disk guide rail outlet connection chute feeder (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910313493.7A CN109877587A (en) | 2019-04-18 | 2019-04-18 | A kind of automatic punching tapping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910313493.7A CN109877587A (en) | 2019-04-18 | 2019-04-18 | A kind of automatic punching tapping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109877587A true CN109877587A (en) | 2019-06-14 |
Family
ID=66937746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910313493.7A Withdrawn CN109877587A (en) | 2019-04-18 | 2019-04-18 | A kind of automatic punching tapping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109877587A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110919111A (en) * | 2019-12-17 | 2020-03-27 | 厉风燕 | Automatic tapping device for hexagon nut |
| CN111069906A (en) * | 2019-11-18 | 2020-04-28 | 嘉善联睿电子科技有限公司 | Automatic feeding tapping and punching machine |
-
2019
- 2019-04-18 CN CN201910313493.7A patent/CN109877587A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111069906A (en) * | 2019-11-18 | 2020-04-28 | 嘉善联睿电子科技有限公司 | Automatic feeding tapping and punching machine |
| CN110919111A (en) * | 2019-12-17 | 2020-03-27 | 厉风燕 | Automatic tapping device for hexagon nut |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190614 |
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| WW01 | Invention patent application withdrawn after publication |