CN207414188U - A kind of necking machine of air-conditioner stop valve - Google Patents
A kind of necking machine of air-conditioner stop valve Download PDFInfo
- Publication number
- CN207414188U CN207414188U CN201721310735.XU CN201721310735U CN207414188U CN 207414188 U CN207414188 U CN 207414188U CN 201721310735 U CN201721310735 U CN 201721310735U CN 207414188 U CN207414188 U CN 207414188U
- Authority
- CN
- China
- Prior art keywords
- bolt
- fixing groove
- stop valve
- copper pipe
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 48
- 229910052802 copper Inorganic materials 0.000 claims abstract description 48
- 239000010949 copper Substances 0.000 claims abstract description 48
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000005452 bending Methods 0.000 claims abstract description 4
- 238000007599 discharging Methods 0.000 claims description 9
- 210000002421 cell wall Anatomy 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 7
- 238000004080 punching Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
Landscapes
- Valve Housings (AREA)
Abstract
The utility model discloses a kind of necking machines of air-conditioner stop valve, including rack, hydraulic cylinder, the mold for necking, the position that hydraulic cylinder output terminal is right against in the rack is provided with fixture, the fixture includes the pedestal support towards hydraulic cylinder, the fixing groove penetrated for copper pipe is offered on the side wall of the pedestal support, the cross sectional shape of the fixing groove is identical with the bending shape of copper pipe, after the copper pipe is completely into the slot bottom of fixing groove, the slot bottom of the fixing groove is close to copper pipe, and the parallel with pedestal support of pedestal offsets.The necking machine of this air-conditioner stop valve makes the process of clamping air-conditioner stop valve more simple and efficient, and efficiency is higher during Continuous maching, and the degree of automation is higher.
Description
Technical field
The utility model is related to a kind of press machines, particularly a kind of necking machine of air-conditioner stop valve.
Background technology
Necking machine belongs to one kind of press machine, and necking machine generally carries out punching press using the mold butt joint of taper, makes connector
Openend necking form chamfering, to install other components on connector.
Existing notification number is that the utility model patent of CN205341720U discloses a kind of electricity floor heating wire terminal press machine, is wrapped
Head, pedestal and workbench are included, fixture is provided on workbench, after workpiece is positioned on fixture, head is pressed on workpiece
Punching press is completed, the operation principle of necking machine is similar to the press machine.
As shown in Fig. 2, a kind of air-conditioner stop valve, the pedestal 11 including valve body 1, positioned at 1 one side of valve body is set on pedestal 11
There is the copper pipe 12 of bending, one end that pedestal 11 is deviated from valve body 1 is shrinkage waiting open end 13.Since copper pipe 12 is arranged at the table of pedestal 11
Face, so the problem of general necking machine is difficult there are clamping in this air-conditioner stop valve of clamping or needing using bench vice etc.
External instrument is clamped, cumbersome, inefficiency during Continuous maching.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of neckings of air-conditioner stop valve
Machine makes clamping air-conditioner stop valve simple and efficient, and efficiency is higher during Continuous maching.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of air-conditioner stop valve
Necking machine, including rack, hydraulic cylinder, the mold for necking, the position that hydraulic cylinder output terminal is right against in the rack is set
There is fixture, the fixture includes the pedestal support towards hydraulic cylinder, offers on the side wall of the pedestal support and penetrated for copper pipe
Fixing groove, the cross sectional shape of the fixing groove is identical with the bending shape of copper pipe, and the copper pipe is completely into the slot of fixing groove
Behind bottom, the slot bottom of the fixing groove is close to copper pipe, and the bottom surface of pedestal is parallel with pedestal support offsets.
Through the above technical solutions, during clamping, mold is fastened on shrinkage waiting open end, two hands hold valve body and copper pipe respectively
End by copper pipe in alignment with the oral area of fixing groove, and passes through the slot bottom that copper pipe is caught in fixing groove, completes entire air-conditioner stop valve
Clamping, then hold copper pipe and be exposed to the end of fixture, play the role of stable workpiece, then operate hydraulic cylinder elongation, liquid
The output terminal of cylinder pressure offsets with mold, and necking operation is completed at punching press shrinkage waiting open end, and operating hydraulic cylinder after the completion of necking shortens, this
Necking machine makes the clamping of air-conditioner stop valve extremely easy, quick, without turning numerous and diverse operation such as bolt, and the workpiece after clamping compared with
It is firm.
Preferably, slided respectively close to the position of pedestal support and fixing groove on the fixture and be provided with the first bolt and the
Two bolts, first bolt and the second bolt are used to limit position of the copper pipe in fixing groove.
Through the above technical solutions, after copper pipe is caught in the slot bottom of fixing groove, the first bolt and the second bolt are pulled by copper
Pipe /V, due to two bolts from the different position of copper pipe by copper pipe /V, so copper pipe is not easy from fixing groove toward abjection
Direction slides, and the clamping for making air-conditioner stop valve is more firm.
Preferably, charging spring, the charging bullet are both provided between first bolt, the second bolt and chuck body
Spring offsets for the cell wall of driving the first bolt, the second bolt respectively with fixing groove.
Through the above technical solutions, the resistance of charging spring is overcome to pull the first bolt and the second bolt, then it can be by copper pipe
The slot bottom of fixing groove, subsequent first bolt and the second bolt are caught under the elastic force effect of corresponding charging spring automatically by copper pipe
Masking, and two charging springs force in the first bolt and the second bolt respectively always, when reducing necking operation the first bolt and
The probability of the spontaneous movement of second bolt.
Preferably, first bolt, the side wall of the second bolt towards fixing groove oral area are both provided with guide surface, described to lead
The direction that opens up of fixing groove is favoured to face, when the copper pipe offsets with guide surface, first bolt, the second bolt generate past
Overcome the trend of charging spring force direction movement.
Through the above technical solutions, when shifting copper pipe onto offset with guide surface position during clamping, guide surface makes first to insert
Pin, the second bolt are generated toward the trend for overcoming the movement of charging spring force direction, are further applied external force at this time, are made guide surface edge
Copper pipe surface movement, while spring-compressed will be fed, then copper pipe is by the first bolt, the second bolt, and with fixing groove
Slot bottom contacts, and so setting makes that the first bolt and the second bolt need not be pulled during clamping air-conditioner stop valve, improves clamping efficiency.
Preferably, the slot bottom of the fixing groove offers several liftout holes, if being respectively arranged in several liftout holes
Material spring is done, the elastic force direction of several discharging springs is directed to the oral area of fixing groove.
Through the above technical solutions, after the completion of necking process, the resistance of charging spring is overcome to pull the first bolt and second
Bolt, then copper pipe pop up a distance under the elastic force effect of discharging spring, then unclamp the first bolt and the second bolt, first
Copper pipe will not be limited in the slot bottom position of mounting groove by bolt and the second bolt, at this time can easily by air-conditioner stop valve from
It is taken out on fixture.
Preferably, the mold is threadedly coupled with the output terminal of hydraulic cylinder.
Through the above technical solutions, before and after each necking process, without mold is fastened or taken out on shrinkage waiting open end,
Reduce the artificial amount of labour, so as to accelerate processing efficiency.
Preferably, upper sensor and lower sensor, the upper sensor inspection are respectively arranged with towards mold in the rack
Measure mold close to when control hydraulic cylinder be stopped, the lower sensor detect mold close to when control hydraulic cylinder shorten.
Through the above technical solutions, before work, the height and position of pre-adjusted upper sensor and lower sensor works as progress
During necking process, when operating hydraulic cylinder elongation, mold movement to assigned position and the completion necking operation of punching press shrinkage waiting open end, pass down
Sensor just detects mold, while generates signal to control circuit, hydraulic cylinder is driven to shorten, when hydraulic cylinder shortens to a positioning
When putting, upper sensor just detects mold, while generates signal to control circuit, stops hydraulic cylinder action, waits next time
Switch order, it is thus achieved that hydraulic cylinder extension automation.
Preferably, slided in the rack and be provided with movable plate, be provided with to fix the lock of movable plate in the rack
Tight mechanism, the fixture are arranged on movable plate.
Through the above technical solutions, movable plate can slide in rack, so as to the opposite position between alignment jig and mold
It puts, the position of punching press during carry out necking process is made to keep accurate, can be changed by retaining mechanism between movable plate and workbench
Fixation, unclamp relation.
In conclusion the utility model having the beneficial effect that in contrast to the prior art：The necking machine of this air-conditioner stop valve makes
The process of clamping air-conditioner stop valve is more simple and efficient, and efficiency is higher during Continuous maching, and the degree of automation is higher.
Description of the drawings
Fig. 1 is the stereogram of the necking machine of this air-conditioner stop valve, the overall structure of necking machine in main prominent embodiment；
Fig. 2 is the stereogram of air-conditioner stop valve in background technology and embodiment, the overall knot of main prominent air-conditioner stop valve
Structure；
Fig. 3 is the A-A sectional views of Fig. 1, the internal structure of mold in main prominent embodiment；
Fig. 4 is the Local map of fixture in embodiment, the external structure of fixture in main prominent embodiment；
Fig. 5 is the B-B sectional views of Fig. 4, the peripheral structure of the first bolt in main prominent embodiment；
Fig. 6 is the C-C sectional views of Fig. 4, the peripheral structure of the second bolt in main prominent embodiment.
Reference numeral：1st, valve body；11st, pedestal；12nd, copper pipe；13rd, shrinkage waiting open end；2nd, rack；3rd, hydraulic cylinder；4th, mold；5、
Fixture；21st, workbench；22nd, pillar；23rd, top plate；31st, external thread section；41st, forming surface；24th, the first mounting rod；25th, the second peace
Fill bar；241st, upper sensor；251st, lower sensor；26th, movable plate；261st, loose slot；27th, retaining mechanism；271st, stud is locked；
272nd, lock nut；51st, pedestal support；52nd, fixing groove；525th, vertical slot；526th, translot；521st, the first sliding groove；522nd, second slide
Slot；523rd, punched out；61st, the first bolt；62nd, the second bolt；611st, guide surface；612nd, it is pierced by bar；63rd, spring is fed；524、
Liftout hole；64th, discharge spring.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model be subject to Patent Law.
As shown in Figure 1, a kind of necking machine of air-conditioner stop valve, including rack 2, hydraulic cylinder 3, the mold 4 for necking, machine
The position that 3 output terminal of hydraulic cylinder is right against on frame 2 is provided with fixture 5.
Rack 2 includes workbench 21, four pillars 22 being arranged on four angles of workbench 21, is arranged at four pillars
The top plate 23 on 22 tops.Four pillars 22 are each perpendicular to the table top of workbench 21, and the plate face of top plate 23 is parallel to workbench 21
Table top.Hydraulic cylinder 3 is arranged at top plate 23 towards the medium position of the one side of workbench 21, and the piston rod of hydraulic cylinder 3 is perpendicular to top
It the plate face of plate 23 and sets downward, the output terminal of hydraulic cylinder 3 is provided with external thread section 31.
As shown in figure 3, mold 4 is threadedly coupled with external thread section 31.The lower face indent of mold 4, mold 4 are internally provided with
For being molded the forming surface 41 at shrinkage waiting open end 13, forming surface 41 is cricoid inclined-plane and corresponding with shrinkage waiting open end 13.
As shown in Figure 1, the lower face perpendicular to top plate 23 is respectively arranged with the first mounting rod 24 and the second mounting rod 25, the
The length of one mounting rod 24 is less than the second mounting rod 25.The side wall of first mounting rod 24 is vertically installed with sensor 241, and second
The side wall of mounting rod 25 is vertically installed with lower sensor 251, and upper sensor 241 and lower sensor 251 are to be passed close to switching regulator
Sensor, and the horizontally toward center line of mold 4.Upper sensor 241 detect mold 4 close to when control hydraulic cylinder 3 stop work
Make, lower sensor 251 detect mold 4 close to when control hydraulic cylinder 3 external thread section 31 upwards bounce back.
It is placed with movable plate 26 on workbench 21, it is parallel in the plate face of movable plate 26 to open up that there are two loose slot 261, work
It is provided with to fix the retaining mechanism 27 of movable plate 26 on platform 21.Retaining mechanism 27 includes being respectively arranged at two loose slots
Locking stud 271 in 261 is twisted respectively in the lock nut 272 on corresponding locking stud 271.Lock one end weldering of stud 271
It is connected on the table top of workbench 21, the other end of locking stud 271 is pierced by loose slot 261 upwards.Movable plate 26 can be in two locks
It is slided under the position-limiting action of tight stud 271 along one direction, so as to adjust the relative position between mold 4, tightens two lockings
Movable plate 26 can be fixed on workbench 21 by nut 272.
As shown in Figure 1 and Figure 4, fixture 5 is whole in cylindrical, and one end of fixture 5 is fixed on movable plate 26, and fixture
5 axis and the axis collinear of mold 4.Fixture 5 includes the pedestal support 51 towards hydraulic cylinder 3, is offered on the side wall of fixture 5
For the fixing groove 52 for the L-type that copper pipe 12 penetrates, fixing groove 52 includes the vertical slot 525 axially opened up along fixture 5 and in the horizontal direction
The translot 526 opened up.The groove depth of vertical slot 525 is equal to the radius of fixture 5, and vertical slot 525 is simultaneously by the side wall of fixture 5 and pedestal support
51 perforations；The covering of the fan that shape in 526 horizontal direction of translot is 90 degree, translot 526 is simultaneously by the slot bottom of vertical slot 525 and fixture 5
Side wall perforation.The slot bottom of vertical slot 525 passes through the axis of fixture 5.It is fixed after copper pipe 12 to be caught in the slot bottom of fixing groove 52 completely
The slot bottom of slot 52 is close to copper pipe 12, and the parallel with pedestal support 51 of pedestal 11 offsets.
As shown in Figure 5 and Figure 6, square the first sliding groove 521 is offered on the side wall of vertical slot 525, the first sliding groove 521 is located at
Close to the position of pedestal support 51；The second square sliding slot 522 is offered on the side wall of translot 526, the second sliding slot 522, which is located at, to be leaned on
The position of 5 side wall of nearly fixture.Punched out 523, punched out are offered in the groove bottom of 521 and second sliding slot 522 of the first sliding groove
523 run through fixture 5.It is slided respectively in 521 and second sliding slot 522 of the first sliding groove and is provided with the first bolt 61 and the second bolt
62, the first bolt 61 and the second bolt 62 are also square and can be fitted close with corresponding sliding slot wall surface.First bolt 61, second
Bolt 62 is identical with the diameter of copper pipe 12 with the distance of 52 slot bottom of fixing groove.
First bolt 61, the second bolt 62 are both provided with guide surface 611,611 court of guide surface close to one end of fixing groove 52
It oral area to fixing groove 52 and is obliquely installed, the first bolt 61, the second bolt 62 is made to form wedge shape.First bolt 61, second
Bolt 62 is both provided with away from one end of its corresponding guide surface 611 and is pierced by bar 612, is pierced by bar 612 and is piercing in corresponding be pierced by
Hole 523 is simultaneously extended to outside fixture 5.The slot bottom of first bolt 61 and the first sliding groove 521, the second bolt 62 and the second sliding slot 522
Charging spring 63 is both provided between slot bottom, charging spring 63 forces in the first bolt 61 and the second bolt 62, makes first respectively
Bolt 61, the second bolt 62 guide surface 611 where end push against on the cell wall of fixing groove 52.
The slot bottom of fixing groove 52 is opened up there are two liftout hole 524, and two liftout holes 524 are located at the first bolt 61, the respectively
In the same level of two bolts 62, discharging spring 64 is both provided in two liftout holes 524, one end of discharging spring 64 is fixed
Bottom hole in corresponding liftout hole 524, the other end of discharging spring 64 can be piercing in the oral area in place liftout hole 524, and discharge spring
64 elastic force direction is directed to the oral area direction of fixing groove 52.
During clamping, two hands hold the end of valve body 1 and copper pipe 12 respectively, by copper pipe 12 in alignment with fixing groove 52, and pass through by
Copper pipe 12 is caught in the slot bottom of fixing groove 52, and the clamping for completing entire air-conditioner stop valve is fixed.It is shifted onto and guide surface by copper pipe 12
611 offset position when, guide surface 611 makes the first bolt 61, the second bolt 62 generate toward overcoming charging spring 63 elastic force direction
The trend of movement further applies external force, guide surface 611 is made to be moved along 12 surface of copper pipe at this time, while will feed spring 63
Compression.Then copper pipe 12 is by the first bolt 61 and the second bolt 62, and overcomes the elastic force of discharging spring 64 and fixing groove 52
Slot bottom contacts, and the first bolt 61, the second bolt 62 lose the support force of copper pipe 12, the first bolt 61, the second bolt 62 at this time
The original state to offset with fixing groove 52 is restored under the elastic force effect of corresponding charging spring 63.At this time the first bolt 61,
Second bolt 62 and the cell wall of fixing groove 52, slot bottom are by 12 /V of copper pipe, so that air-conditioner stop valve is firmly secured to fixture 5
It is interior.
The height and position of upper sensor 241 and lower sensor 251 installs in advance.Starting switch makes hydraulic cylinder at this time
3 extend downwards, and mold 4 moves closer to shrinkage waiting open end 13, and contracting is completed when mold 4 moves to assigned position and punching press shrinkage waiting open end 13
During mouth operation, lower sensor 251 just detects mold 4, while generates signal to control circuit, and hydraulic cylinder 3 is driven to shorten.When
When hydraulic cylinder 3 shortens to certain position, upper sensor 241 just detects mold 4, while generates signal to control circuit, stops
Only hydraulic cylinder 3 acts, and waits switch order next time.
During feeding, two hands hold two and are pierced by bar 612 respectively, and are pierced by bar 612 to the pulling away from the direction of fixture 5 respectively,
Make the first bolt 61 completely into the first sliding groove 521, making the second bolt 62 completely into the second sliding slot 522.Then copper pipe 12
A distance is popped up under the elastic force effect of discharging spring 64, air-conditioner stop valve can be taken out from fixture 5 at this time.
The above is only the exemplary embodiment of the utility model, the protection model rather than limited the present invention
It encloses, the scope of protection of the utility model is determined by appended claim.
Claims (8)
1. a kind of necking machine of air-conditioner stop valve, including rack (2), hydraulic cylinder (3), the mold (4) for necking, the rack
(2) position that hydraulic cylinder (3) output terminal is right against on is provided with fixture (5), it is characterized in that：The fixture (5) is included towards liquid
The pedestal support (51) of cylinder pressure (3) offers the fixing groove penetrated for copper pipe (12) on the side wall of the pedestal support (51)
(52), the cross sectional shape of the fixing groove (52) is identical with the bending shape of copper pipe (12), and the copper pipe (12) is completely into solid
After the slot bottom for determining slot (52), the slot bottom of the fixing groove (52) is close to copper pipe (12), and the bottom surface of pedestal (11) and pedestal support
Face (51) is parallel to offset.
2. a kind of necking machine of air-conditioner stop valve according to claim 1, it is characterized in that：The bottom of close on the fixture (5)
Receptacle face (51) and the position of fixing groove (52) are slided respectively is provided with the first bolt (61) and the second bolt (62), and described first
Bolt (61) and the second bolt (62) are used to limit position of the copper pipe (12) in fixing groove (52).
3. a kind of necking machine of air-conditioner stop valve according to claim 2, it is characterized in that：First bolt (61),
Charging spring (63) is both provided between two bolts (62) and fixture (5) body, the charging spring (63) is for driving first
The cell wall of bolt (61), the second bolt (62) respectively with fixing groove (52) offsets.
4. a kind of necking machine of air-conditioner stop valve according to claim 3, it is characterized in that：First bolt (61),
The side wall of two bolts (62) towards fixing groove (52) oral area is both provided with guide surface (611), and the guide surface (611) favours solid
Determine the direction that opens up of slot (52), when the copper pipe (12) offsets with guide surface (611), first bolt (61), the second bolt
(62) generate toward the trend for overcoming the movement of charging spring (63) elastic force direction.
5. a kind of necking machine of air-conditioner stop valve according to claim 4, it is characterized in that：The slot bottom of the fixing groove (52)
Several liftout holes (524) are offered, several discharging springs (64), Ruo Gansuo are respectively arranged in several liftout holes (524)
The elastic force direction for stating discharging spring (64) is directed to the oral area of fixing groove (52).
6. a kind of necking machine of air-conditioner stop valve according to claim 1, it is characterized in that：The mold (4) and hydraulic cylinder
(3) output terminal is threadedly coupled.
7. a kind of necking machine of air-conditioner stop valve according to claim 6, it is characterized in that：Towards mould on the rack (2)
Tool (4) is respectively arranged with sensor (241) and lower sensor (251), and the upper sensor (241) detects that mold (4) leans on
When near hydraulic cylinder (3) is controlled to be stopped, the lower sensor (251) detects controls hydraulic cylinder (3) to contract when mold (4) is close
It is short.
8. a kind of necking machine of air-conditioner stop valve according to claim 1, it is characterized in that：It slides and sets on the rack (2)
Movable plate (26) is equipped with, is provided with to fix the retaining mechanism (27) of movable plate (26), the fixture on the rack (2)
(5) it is arranged on movable plate (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721310735.XU CN207414188U (en) | 2017-10-12 | 2017-10-12 | A kind of necking machine of air-conditioner stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721310735.XU CN207414188U (en) | 2017-10-12 | 2017-10-12 | A kind of necking machine of air-conditioner stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207414188U true CN207414188U (en) | 2018-05-29 |
Family
ID=62311026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721310735.XU Expired - Fee Related CN207414188U (en) | 2017-10-12 | 2017-10-12 | A kind of necking machine of air-conditioner stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207414188U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109550856A (en) * | 2018-12-30 | 2019-04-02 | 江苏唯侓机器人科技有限公司 | Pressure riveting device and method for pressing to materials and parts |
| CN110842516A (en) * | 2019-11-20 | 2020-02-28 | 四川航天长征装备制造有限公司 | Closing-in tool and closing-in method for filling valve |
-
2017
- 2017-10-12 CN CN201721310735.XU patent/CN207414188U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109550856A (en) * | 2018-12-30 | 2019-04-02 | 江苏唯侓机器人科技有限公司 | Pressure riveting device and method for pressing to materials and parts |
| CN109550856B (en) * | 2018-12-30 | 2023-10-17 | 江苏唯侓机器人科技有限公司 | Pressing riveting device and method for pressing riveting of material piece |
| CN110842516A (en) * | 2019-11-20 | 2020-02-28 | 四川航天长征装备制造有限公司 | Closing-in tool and closing-in method for filling valve |
| CN110842516B (en) * | 2019-11-20 | 2021-07-13 | 四川航天长征装备制造有限公司 | Closing-in tool and closing-in method for filling valve |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180529 |
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| CF01 | Termination of patent right due to non-payment of annual fee |