CN205184256U - Automatic drilling, tapping equipment - Google Patents
Automatic drilling, tapping equipment Download PDFInfo
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- CN205184256U CN205184256U CN201521030524.1U CN201521030524U CN205184256U CN 205184256 U CN205184256 U CN 205184256U CN 201521030524 U CN201521030524 U CN 201521030524U CN 205184256 U CN205184256 U CN 205184256U
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Abstract
The utility model is suitable for a machining field provides an automatic drilling, tapping equipment, which comprises a frame. Locate frame one end for place the work piece track of waiting to process the work piece, arrange in proper order at the drilling machine and the tapping machine of the frame other end, its characterized in that still includes: to wait to process the work piece area to holing station and will accomplish the extracting device of work piece area to the tapping station of drilling, extracting device includes: the support, locate lifting unit on the support, locate and get the material subassembly on the lifting unit to and treat the processing work piece and carry out the subassembly that compresses tightly that compresses tightly, be used for driving extracting device is in the drive arrangement who moves between work piece track and drilling station, tapping station, and the controller of coordination work between control extracting device, drive arrangement, drilling machine and the tapping machine. This equipment can be got the piece automatically, fix a position, compress tightly, realizes automatically clamped and processing, and not only easy operation has saved a large amount of manpowers, time, has improved production efficiency greatly.
Description
Technical field
The utility model belongs to machining equipment field, particularly relates to a kind of automatic drilling, threading apparatus.
Background technology
In machining equipment field, due to the complexity of processed product structure, most product needed is tapping and boring repeatedly.Traditional processing mode, general employing regular drills and tapping machine, boring and tapping be separate machined, by the restriction of original drilling machine structure, when needs carry out continuously, multi-step process time, need to spend a lot of time by manually positioning workpiece, clamping and dismounting, work in-process, very harsh to the requirement of manpower, operate very loaded down with trivial details, need that at substantial manpower, labour intensity are large, production efficiency is low, and affect crudy extremely unstable by manpower.
Utility model content
The utility model embodiment provides a kind of automatic drilling, threading apparatus, be intended to solve existing regular drills and tapping machine needs to spend a lot of time by manually carrying out feeding, and workpiece is positioned, clamping and dismounting, work in-process, very harsh to the requirement of manpower, operate very loaded down with trivial details, need that at substantial manpower, labour intensity are large, production efficiency is low, and affect the problem of crudy extremely unstable by manpower.
The utility model embodiment is achieved in that a kind of automatic drilling, threading apparatus, comprising:
Frame;
Be located at described frame one end, for placing the workpiece track of workpiece to be processed;
Be arranged in drilling machine and the tapping machine of the described frame other end successively; Also comprise:
Workpiece to be processed brought to boring station and the workpiece completing boring brought to the take out device of tapping station, described take out device comprises: support, the lifting assembly be located on described support, the feeding assembly be located on described lifting assembly, and holding down assembly of compressing workpiece to be processed;
For driving the drive unit of described take out device movement between described workpiece track and described boring station, tapping station; And
Control the controller of co-ordination between described take out device, drive unit, drilling machine and tapping machine.
The automatic drilling that the utility model provides, threading apparatus, take out device is driven to move by drive unit, and then realize automatic material taking by take out device, and to Workpiece fixing, clamping and dismounting, then by two drilling machines, two tapping machines, workpiece is processed automatically, not only simple to operate, reduce labour intensity, save a large amount of manpowers, time and cost, substantially increase production efficiency, avoid because manpower affects the problem of the crudy instability caused simultaneously.
Accompanying drawing explanation
Fig. 1 be the utility model embodiment provide a kind of automatic drilling, threading apparatus overall structure figure;
Fig. 2 is the location drawing that workpiece that the utility model embodiment provides is placed in frame;
Fig. 3 is the location diagram of the drive unit that provides of the utility model embodiment and take out device;
Fig. 4 is structure and the location diagram of the support that the utility model embodiment provides;
Fig. 5 is structure and the location diagram of the lifting assembly that the utility model embodiment provides;
Fig. 6 is structure and the location diagram of the feeding assembly that the utility model embodiment provides;
Fig. 7 is the location diagram of the feeding assembly that provides of the utility model embodiment and workpiece;
Fig. 8 is the structure held down assembly that provides of the utility model embodiment and location diagram;
Fig. 9 is the workpiece sensor that provides of the utility model embodiment and positioner location diagram;
Figure 10 is the driving device structure that provides of the utility model embodiment and location diagram;
The structure chart of the drilling machine that Figure 11 the utility model embodiment provides and tapping machine;
Figure 12 be the utility model embodiment provide drilling machine, tapping machine structure chart;
Figure 13 is the work platform structure figure that the utility model embodiment provides.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The automatic drilling that the utility model embodiment provides, threading apparatus, take out device is driven to move by drive unit, and then realize automatic material taking by take out device, and to Workpiece fixing, clamping and dismounting, then by two drilling machines, two tapping machines, workpiece is processed automatically, not only simple to operate, reduce labour intensity, save a large amount of manpowers, time and cost, substantially increase production efficiency, avoid because manpower affects the problem of the crudy instability caused simultaneously.
As shown in Figure 1, this equipment comprises frame 10, workpiece track 20, take out device 30, drive unit 40, drilling machine 50, tapping machine 60 and controller 70.Composition graphs 2, the direction of advancing with workpiece 70 is for reference, workpiece track 20 is arranged in frame 10 along frame 10 length direction, wherein, one end of workpiece track 20 is for placing workpiece to be processed 90, workpiece to be processed 90 both sides have two symmetrical flanges 901 respectively, and flange 901 is position to be processed, and workpiece to be processed 90 is freely set up on workpiece track 20 by flange 901 floppily; The other end of workpiece track 20 is provided with two drilling machines 50 and two tapping machines 60 successively, and wherein on workpiece track 20, the position of drilling machine 50 correspondence is boring station 21, and the position of tapping machine 60 correspondence is tapping station 22.
With reference to Fig. 3, above workpiece track 20, be provided with take out device 30, and be located at the drive unit 40 of take out device 30 side, wherein drive unit 40 can drive take out device 30 to slide along workpiece track 20 length direction; Take out device 30 for by moving to drilling machine 50 after workpiece grabbing, tapping machine 60 place carries out holing, tapping.As shown in Figure 3, take out device 30 comprise support 31, lifting assembly 32, feeding assembly 33, hold down assembly 34, workpiece sensor 35 and positioner 36.
With reference to Fig. 4, in an embodiment of the present utility model, support 31 comprises an inverted U-shaped framework 311, be connected to gripper shoe 312 bottom framework 311, and is arranged on the sliding bearing 313 in gripper shoe 312; The frame 10 of the both sides of workpiece track 20 is provided with guide rod 11, be slidably connected by sliding bearing 313 and guide rod 11, take out device 30 can be moved above workpiece track 20 along guide rod 11, wherein, guide rod 11 not only can support take out device 30, and guiding accurately steadily, avoid take out device 30 and rock even that separation instrumentation flies out owing to moving too fast, ensure that security.
Understandably, when the equipment speed of service is slower, here by the mode that sliding bearing 313 and guide rod 11 are slidably connected, the structure that also can reach effect same by other replaces, and is not specifically restricted.
With reference to Fig. 5, in an embodiment of the present utility model, lifting assembly 32 is vertically arranged on support 31, and lifting assembly 32 comprises lifter plate 321 and lift cylinder 322.Wherein being fixedly linked with framework 311 top of support 31 of lift cylinder 322, the piston rod of lift cylinder 322 is connected with lifter plate 321, and lifter plate 321 can be driven to move up and down.Wherein, what the lift cylinder 322 in the present embodiment adopted is cylinder, and understandably, lift cylinder 322 also can adopt as hydraulic cylinder or other force application mechanisms that can reach effect same are replaced, and does not specifically limit.
With reference to Fig. 6, in an embodiment of the present utility model, feeding assembly 33 is arranged on lifter plate 321, can move up and down along with lifter plate 321, wherein, feeding assembly 33 has front and back two push rod group, the direction of advancing with workpiece to be processed 90 as a reference, what be wherein positioned at workpiece movable direction opposite side is the first grasping mechanism 331, what be positioned at workpiece 70 direction of advance side is the second grasping mechanism 332, two push rod groups respectively have two push rods, when feeding assembly 33 moves to above workpiece to be processed 90 with take out device 30, feeding assembly 33 can move down along with lifter plate 321, the first grasping mechanism 331 is made to extend flange 901 and the workpiece direction of advance opposite side of workpiece to be processed 90, afterwards, when take out device 30 advances, first grasping mechanism 331 is just along with the movement of take out device 30 promotes flange 901, workpiece to be processed 90 is moved forward.
With reference to Fig. 7, in the utility model embodiment, before workpiece to be processed 90 is pushed into boring station 21 by the first grasping mechanism 331, second grasping mechanism 332 can be encountered the last time and bore hole, and also stay the drilling-workpiece 91 of boring station 21, and it is pushed away forward, same, drilling-workpiece 91 is by the process that pushes away forward, last time tapping can be encountered, and also stay the workpiece of tapping 92 of tapping station 22, and it is pushed away forward, tapping workpiece 92 can be pushed out the end of workpiece track 20, and falls in material frame; When workpiece to be processed 90 to be pushed into boring station 21 by the first grasping mechanism 331, drilling-workpiece 91 is also pushed into tapping station 22 by the second grasping mechanism 332 simultaneously; By arranging the first grasping mechanism 331 and the second grasping mechanism 332, enable equipment complete the location of boring and tapping simultaneously, the workpiece of tapping can also be carried out discharging, enormously simplify positioning and clamping work and discharging work, save a large amount of manpowers and time.
With reference to Fig. 8, in an embodiment of the present utility model, holding down assembly 34 comprises casting die 341 and is fixed on the compression cylinder 342 on lifter plate 321, and wherein, the piston rod of compression cylinder 342 is connected with casting die 341, and casting die 341 can be driven to move up and down; Understandably, compression cylinder 342 one end is connected with casting die 341, and the other end also can directly be fixedly connected with framework 311 top; But compression cylinder 342 is connected with casting die 341 and lifter plate 321, its thrust of this connected mode can be provided by compression cylinder 342 and lift cylinder 322, and its thrust is far longer than the mode be fixedly connected with framework 311 top.
In the utility model embodiment, when starting boring and tapping adds man-hour, casting die 341 promotes downwards by compression cylinder 342, for compressing the workpiece of having had good positioning, when after process finishing, holding down assembly and 34 just laying down pressure and carry simultaneously, leaving workpiece; Holding down assembly shown in figure 34 has one in front and one in back two groups of identical structures, is respectively used to compress the workpiece being positioned to boring and tapping station; Wherein, what compression cylinder 342 in the present embodiment adopted is cylinder, understandably, compression cylinder 342 also can adopt hydraulic cylinder or other there is the force application mechanism etc. of equivalent effect, specifically do not limit.
As an embodiment of the present utility model, casting die 341 is detachably connected with one end of compression cylinder 342, by this connected mode, can change casting die 341 easily, to meet the workpiece of different model and size.
With reference to Fig. 9, in an embodiment of the present utility model, workpiece sensor 35 is positioned at the junction of the first grasping mechanism 331 and lifter plate 321, workpiece sensor 35 for searching workpiece on workpiece track 20, when workpiece sensor 35 is when workpiece signal being detected, by Signal transmissions to controller 70, controller 70 just can control lifting assembly 32 action, feeding assembly 33 is made to be displaced downwardly on rear side of workpiece, advance to promote workpiece, in the utility model embodiment, workpiece sensor 35 is proximity switch, understandably, the sensor that workpiece sensor 35 also can realize equivalent effect by other substitutes.
In an embodiment of the present utility model, positioner 36, for being located at the proximity switch trigger that gripper shoe 312 can coordinate with proximity switch, is provided with locating and machining sensor 12 simultaneously on workpiece track 20 with the frame 10 of positioner 36 the same side; When positioner 36 along with take out device 30 moves to above locating and machining sensor 12, locating and machining sensor 12 detects positioner 36, take out device 30 is then described by Workpiece fixing extremely boring station 21 and tapping station 22, locating and machining sensor 12 is by intracellular signaling to controller 70, and controller 70 controls take out device 30 and stops mobile.
As a preferred embodiment of the present utility model, frame 10 is also provided with workpiece and plays point sensor 13, when take out device 30 moves to blowing section 21, workpiece sensor 35 is in resting state, when positioner 36 move to workpiece rise above point sensor 13 time, workpiece plays point sensor 13 and receives signal, starts workpiece sensor 35 by controller 70, now workpiece sensor 35 starts on one side along with take out device 30 moves, and monitors below feeding assembly 33 whether have workpiece simultaneously.Wherein, when positioner 36 move to workpiece rise above point sensor 13 time, workpiece track 20 place of feeding assembly 33 correspondence is the extreme position putting workpiece, and namely putting of workpiece can not exceed this extreme position.Point sensor 13 is played by arranging workpiece, feeding assembly 33 is in the process near blowing section 21, workpiece sensor 35 is in closed condition, only have when feeding assembly 33 arrives the above-mentioned extreme position putting workpiece, now workpiece plays point sensor 13 and positioner 36 detected, workpiece sensor 35 just starts, thus avoid workpiece sensor 35 due to accident, just signal is received before the extreme position put near workpiece at feeding assembly 33, feeding assembly is moved down, causes take out device 30 not get workpiece sky and walk.
As a preferred embodiment of the present utility model, frame 10 is also provided with front limit sensor 14 and rear limit sensors 15, be respectively used to the front and back limit travel that restriction take out device 30 can reach, bump against frame two ends forward or backward to avoid take out device 30.
With reference to Figure 10, in an embodiment of the present utility model, take out device 30 side is located at by drive unit 40, in the present embodiment, drive unit 40 is adopted as rack and pinion engagement transmission device, in detail, drive unit 40 includes the drive motors 41 be located in gripper shoe 312, wherein, the main shaft of drive motors 41 has gear 42.In frame 10, the side being positioned at workpiece track 20 is provided with the toothed track 16 with tooth bar parallel with workpiece track 20, engage each other transmission by gear 41 and tooth bar 16, and pass through the control of controller 70, take out device 30 can be moved around above workpiece track 20, by gear 41 and toothed track 16 transmission, movement and the positioning precision of take out device 30 can be ensured.
With reference to Figure 11, in an embodiment of the present utility model, drilling machine 50 is successively set on the other end relative with workpiece track 20 in frame 10 with tapping machine 60, in the present embodiment, drilling machine 50 and tapping machine 60 respectively have two, relatively be arranged on workpiece track 20 both sides respectively, boring station 21 can be opposite to respectively and hole or tapping simultaneously with the workpiece both sides of tapping station 22 simultaneously.
With reference to Figure 12, in the utility model embodiment, drilling machine 50 is provided with boring starting point limit switch 51 and boring dead space switch 52, responding to the position of casting die 54, coming feeding starting point and the feeding terminal of keyhole owner axle 53 by responding to the boring be connected with drilling machine main shaft 53.
Similarly, with reference to Figure 12, tapping machine 60 is provided with tapping starting point limit switch 61 and tapping dead space switch 62, responding to the position of casting die 64, controlling feeding starting point and the feeding terminal of master spindle for tapping machine 63 by responding to the tapping be connected with master spindle for tapping machine 63.
Execute in example for one in the utility model reality, the spacing of the first grasping mechanism 331 and the second grasping mechanism 332 equals drilling machine main shaft 53 and master spindle for tapping machine 63, to make the first grasping mechanism 331 by while Workpiece fixing to boring station 21, the second grasping mechanism 332 just can by Workpiece fixing to tapping station 22.
As in a preferred embodiment of the present utility model, the boring starting point limit switch 51 of adjustable drilling machine 50 and the position of boring dead space switch 52 and stroke, reach the feed distance regulating boring; The tapping starting point limit switch 61 of same adjustable tapping machine 60 and the position of tapping dead space switch 62 and stroke, reach the feed distance regulating tapping; So just, equipment can be made to be adapted to the workpiece of different model.
With reference to Figure 13, in an embodiment of the present utility model, work piece platform 80 is provided with inside boring station 21 and the workpiece track 20 at tapping station 22 place, workbench 80 is provided with the slope 81 for leading flat workpiece towards the side contrary with workpiece to be processed 90 moving direction, slope 81 is for leading flat by original freely workpiece to be processed 90 be erected at floppily on workpiece track 20, in detail, when workpiece to be processed 90 is pushed into slope 81 by the first grasping mechanism 331, the bottom of workpiece to be processed 90 contacts with the domatic of slope 81, along with feeding assembly 33 driven forward workpiece to be processed 90, the bottom of workpiece to be processed 90 is raised by slope 81 gradually, until arrive on the workpiece support face of top, slope 81 and workbench 80 bottom workpiece to be processed 90, just the state of horizontal positioned is formed.
In the utility model embodiment, the control system of this equipment adopts the Programmable Logic Controller 70 of stable performance as central control system, realizes complete machine run control, to realize automation clamping and automation boring, tapping etc. by touch-screen or control button.
The boring that the utility model embodiment provides, the operation principle of threading apparatus are as follows.During work, be set up in by workpiece to be processed 90 in advance on workpiece track 20 and move forward with workpiece to be processed 90 on contrary one end, direction, starting device, take out device 30 starts to move to workpiece to be processed 90; When the workpiece inductor 351 on take out device 30 senses workpiece to be processed 90, take out device 30 stops mobile, lifting assembly 32 starts action, lifter plate 321 drives feeding assembly 33 to move down, the first grasping mechanism 331 is made to extend on rear side of the flange 901 of workpiece to be processed 90, then take out device 30 forward slip, is promoted the flange 901 of workpiece to be processed 90 by the first grasping mechanism 331, drive workpiece to be processed 90 to move to boring station 21.Wherein, before arrival boring station 21, workpiece to be processed 90 can through the slope 81 of workbench 80, lead as be flatly erected at workbench 80 on by workpiece to be processed 90 by original being freely erected at floppily on workpiece track 20 by slope 81, workpiece to be processed 90 continues by the first grasping mechanism 331 driven forward by this placement state, along with take out device 30 moves forward, second grasping mechanism 332 first can be encountered and last completed boring, is placed in the drilling-workpiece 91 of holing on station 21, and promote drilling-workpiece 91 and move forward, drilling-workpiece 91 can be encountered and last completed tapping, is placed in the workpiece of tapping 92 of tapping station 22 afterwards, and pushes tapping workpiece 92 and move forward, when locating and machining sensor 12 senses the positioner group 36 moved to above it, illustrate that workpiece to be processed 90 has been pushed into boring station 21 by the first grasping mechanism 331, simultaneously drilling-workpiece 91 is also pushed into tapping station 22 by the second grasping mechanism 332, tapping workpiece 92 is also pushed out workpiece track 20 from workbench 80 tail end, now take out device 30 stops mobile, two groups of 34 beginning actions that hold down assembly simultaneously, two groups of compression cylinders 342 promote casting die 341 downwards, respectively workpiece to be processed 90 is pressed on boring station 21 and drilling-workpiece 91 is pressed on tapping station 22, then drilling machine 50 and tapping machine 60 start to carry out boring feeding and tapping feeding respectively, boring, tapping complete, and after drilling machine 50 and tapping machine 60 complete withdrawing, compression cylinder 342 controls casting die 341 and moves up, leave workpiece, lift cylinder 322 controls lifter plate 321 and moves up, so far, epicycle process finishing, at this moment, take out device 30 starts again to move feeding to blowing end, repeats above-mentioned workflow, so circulates, and achieves automation clamping and boring, tapping.
The boring that above-described embodiment provides, threading apparatus, by controller accessory drive, take out device, drilling machine and tapping machine co-ordination, take out device is driven to move by drive unit, and then automatically pickup, location, compression and discharging are carried out to workpiece by take out device, by two drilling machines, two tapping machines, workpiece is processed simultaneously, achieve automated production; This equipment achieves automated production processing, operates simple and easy, saves a large amount of manpowers, time and cost, reduce labour intensity, substantially increase production efficiency, and device fabrication stable performance, does not affect, ensure that the quality of processing by manpower.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. automatic drilling, a threading apparatus, comprising:
Frame;
Be located in described frame, one end is for placing the workpiece track of workpiece to be processed;
Be located in described frame, be arranged in drilling machine and the tapping machine of the described workpiece track other end successively;
It is characterized in that, also comprise:
Workpiece to be processed is brought to boring station and drilling-workpiece is brought to the take out device of tapping station, described take out device comprises: support, the lifting assembly be located on described support, the feeding assembly be located on described lifting assembly, and holding down assembly of compressing workpiece to be processed;
For driving the drive unit of described take out device movement between described workpiece track and described boring station, tapping station; And
Control the controller of co-ordination between described take out device, drive unit, drilling machine and tapping machine.
2. equipment as claimed in claim 1, it is characterized in that, the sliding bearing that described support comprises inverted U-shaped framework, is connected to the gripper shoe bottom described framework and is located in described gripper shoe, described workpiece track both sides are respectively equipped with guide rod, and described sliding bearing is slidably connected on described guide rod.
3. equipment as claimed in claim 2, it is characterized in that, described lifting assembly comprises the lift cylinder being fixed on described framework top and the lifter plate be fixed on the piston rod of described lift cylinder.
4. equipment as claimed in claim 3, is characterized in that, described in the casting die that holds down assembly on the compression cylinder comprising and being fixed on described lifter plate and the piston rod being connected to described compression cylinder.
5. equipment as claimed in claim 1, it is characterized in that, the side described frame being positioned at described workpiece track is provided with the toothed track being parallel to described workpiece track, described drive unit comprises drive motors, the output shaft of described drive motors is provided with gear, and described gear engages with described toothed track.
6. equipment as claimed in claim 3, it is characterized in that, described feeding assembly is located on the described lifter plate of described lifting assembly, described feeding assembly comprises the first grasping mechanism workpiece to be processed being brought to described boring station, and drilling-workpiece is brought to the second grasping mechanism of described tapping station.
7. equipment as claimed in claim 6, it is characterized in that, described first grasping mechanism, the second grasping mechanism are two groups of push rod groups, and described push rod group has right two push rods of a first from left.
8. equipment as claimed in claim 6, it is characterized in that, the spacing of described first grasping mechanism and described second grasping mechanism equals the spacing of two main shafts of described drilling machine and described tapping machine.
9. equipment as claimed in claim 6, it is characterized in that, described lifter plate and described first grasping mechanism junction are provided with the workpiece sensor for searching workpiece to be processed on described workpiece track; The workpiece that described gripper shoe is provided with for starting described workpiece sensor plays point sensor.
10. equipment as claimed in claim 1, it is characterized in that, be provided with workbench inside the workpiece track at described boring station and described tapping station place, the side that described workbench is contrary with described workpiece to be processed moving direction is provided with the slope for leading flat workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521030524.1U CN205184256U (en) | 2015-12-11 | 2015-12-11 | Automatic drilling, tapping equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521030524.1U CN205184256U (en) | 2015-12-11 | 2015-12-11 | Automatic drilling, tapping equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205184256U true CN205184256U (en) | 2016-04-27 |
Family
ID=55777287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521030524.1U Expired - Fee Related CN205184256U (en) | 2015-12-11 | 2015-12-11 | Automatic drilling, tapping equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205184256U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105382539A (en) * | 2015-12-11 | 2016-03-09 | 宁波江东丰汇锦瑞物联网科技有限公司 | Automatic drilling and tapping equipment |
| CN114273697A (en) * | 2021-12-28 | 2022-04-05 | 济宁市技师学院 | Special-shaped workpiece punching and tapping device |
-
2015
- 2015-12-11 CN CN201521030524.1U patent/CN205184256U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105382539A (en) * | 2015-12-11 | 2016-03-09 | 宁波江东丰汇锦瑞物联网科技有限公司 | Automatic drilling and tapping equipment |
| CN114273697A (en) * | 2021-12-28 | 2022-04-05 | 济宁市技师学院 | Special-shaped workpiece punching and tapping device |
| CN114273697B (en) * | 2021-12-28 | 2023-12-01 | 济宁市技师学院 | Special-shaped workpiece punching and tapping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 Termination date: 20201211 |