CN206868865U - Have an area of transition fitting press - Google Patents
Have an area of transition fitting press Download PDFInfo
- Publication number
- CN206868865U CN206868865U CN201720671224.4U CN201720671224U CN206868865U CN 206868865 U CN206868865 U CN 206868865U CN 201720671224 U CN201720671224 U CN 201720671224U CN 206868865 U CN206868865 U CN 206868865U
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- CN
- China
- Prior art keywords
- knife rest
- framework
- switch
- inside casing
- balance
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model has an area of transition fitting press,Including framework,Hydraulic system,Knife rest,Blade,Balance shafting,Pressing mold and governor motion,Framework is the closed-in construction part that a centre is provided with hollow out inside casing,Hydraulic system includes hydraulic cylinder,Hydraulic oil pipe and oil pump,Hydraulic cylinder is positioned at frame roof,Knife rest both sides are connected to two racks,Knife rest is arranged in the hollow out inside casing of framework,And the piston push rod of knife rest and hydraulic cylinder connects,Knife rest lower end is connected with blade,Balance shafting includes balance shaft,Balance gear and equalizer bearing,Equalizer bearing is connected with the upper edge of framework hollow out inside casing,Balance shaft is supported by equalizer bearing,Two balance gears are respectively fitted over the both ends of balance shaft and are meshed with two racks of knife rest both sides,Pressing mold is positioned at framework hollow out inside casing downside surface,The governor motion of regulation knife rest movement travel is arranged on the side of framework.The utility model can effectively reduce labor strength, abate the noise pollution and the uneven phenomenon of workpiece appearance.
Description
Technical field
Mechanical manufacturing field is the utility model is related to, more particularly to a kind of circumference transition fitting press.
Background technology
In pipeline installation engineering, circumference transition would generally be used when pipe connects with square tube（I.e. old name for the Arabian countries in the Middle East it is round）This is heavy
The pipe fitting wanted, it makes bothers very much, and on steel plate after expansion setting-out setting-out, what generally use tradition fell behind manually beats or adopt
Made of jack top pressure method, manually beat be most original method, this method operating efficiency is extremely low, worker's work is strong
Degree is big, due to discontinuity, and workpiece appearance is uneven after shaping, and distorting, serious, impression quality is poor, and produces
Noise pollution is big, operational hazards；Though jack top pressure method reduces a little labor strengths, workpiece appearance is rough existing
As making moderate progress, impression quality increases, but operating efficiency, without significantly improving, the cost of manufacture of workpiece can not effectively drop
It is low.
The content of the invention
The purpose of this utility model is the defects of being directed to above-mentioned prior art, there is provided one kind circumference transition fitting press,
It can effectively reduce labor strength, abate the noise pollution and the uneven phenomenon of workpiece appearance, improve Workpiece shaping perception
Quality and making precision, significantly improve workpiece quality and operating efficiency, effectively reduce workpiece cost of manufacture.
The technical scheme that the utility model uses to achieve the above object is：One kind circumference transition fitting press, including
Framework, hydraulic system, knife rest, blade, balance shafting, pressing mold and governor motion, framework are that one formed is connected by plurality of steel plates
Individual centre is provided with the closed-in construction part of hollow out inside casing, and hydraulic system includes hydraulic cylinder, hydraulic oil pipe and oil pump, and hydraulic cylinder is positioned at
In the inside casing of frame roof, the vertical both sides of knife rest are connected to two racks be arrangeding in parallel, and knife rest is arranged on framework
Hollow out inside casing in, and knife rest upper end is connected by the piston push rod of articulated slab and hydraulic cylinder, and knife rest lower end is connected with blade, flat
Weighing apparatus shafting includes balance shaft, two balance gears and two equalizer bearings, the bearing block of two equalizer bearings and engraved respectively with framework
The upper edge connection of empty inside casing, balance shaft both ends are respectively fitted in two equalizer bearings, and two balance gears are respectively fitted over flat
The both ends of weighing apparatus axle, and two balance gears are meshed with two racks of knife rest both sides respectively, pressing mold is positioned in framework hollow out
Frame downside surface, the governor motion of regulation knife rest movement travel are arranged on the side of framework.
It is of the present utility model further technical scheme be：The hydraulic system includes two hydraulic cylinders, two hydraulic cylinders point
It is not positioned in the inside casing of frame roof, the piston push rod of two hydraulic cylinders is connected by articulated slab with knife rest respectively.
It is of the present utility model further technical scheme be：The framework connects respectively in the vertical of hollow out inside casing to two side
There is the carriage guide that guiding knife rest moves up and down.
It is of the present utility model further technical scheme be：The knife rest is in integrally concave shape, including two raise up
Protruded arm and the linking arm being connected between two protruded arms, two racks being connected with knife rest are connected to knife rest both sides
On protruded arm, the articulated slab connection on the linking arm between the piston push rod and the protruded arm of knife rest two of hydraulic cylinder.
It is of the present utility model further technical scheme be：Knife rest connecting plate, blade connection are also associated with the downside of the knife rest
On knife rest connecting plate.
It is of the present utility model further technical scheme be：The pressing mold is located at the two of framework hollow out inside casing downside surface
Bar round steel, two round steel relative tilts are set and non-intersect, one elongated trapezoidal space of formation between two round steel.
It is of the present utility model further technical scheme be：The governor motion includes limit switch driving lever, upper limit switch, returned
Journey amplitude adjusted switch, lower limit adjusting switch, regulation screw pair, adjusting handle, limit switch driving lever are one of outer with knife rest
Side wall connects, and two regulation screw pairs are arranged on the side of framework by two pairs of spring bearings, and two adjusting handles connect respectively
In the leading screw lower end that two adjust screw pair, backhaul amplitude adjusted switch and lower limit adjusting switch are separately mounted to two regulation silks
On the secondary nut of bar, and in the switch of backhaul amplitude adjusted straight up positioned at the upside of lower limit adjusting switch, upper limit switch installation
It is being located on framework and straight up the upside of backhaul amplitude adjusted switch, limit switch driving lever during knife rest moves up and down
Upper limit switch, backhaul amplitude adjusted switch, lower limit adjusting switch can be pushed respectively.
It is of the present utility model further technical scheme be：The regulation screw pair includes nut seat, leading screw and guide rail, nut
Seat includes barrel nut and the block length square plate being connected with each other with barrel nut, and guide rail is connected with framework lateral wall,
Rectangle steel plate one end of nut seat is positioned in guide rail so that nut seat is only capable of under the constraint of guide rail along in guide rail direction
Lower movement.
It is of the present utility model further technical scheme be：The framework bottom is provided with wire barrel, the connection of wire barrel side
There is binding post, framework Basolateral further respectively has floor push I, floor push II, and floor push I, floor push II divide
The circuit for not having an area of transition fitting press by wire connects.
It is of the present utility model further technical scheme be：Power switch, oil are provided with the framework on the upside of governor motion
Pump startup button, automated backhaul switching button, backhaul regulation input button, emergency stop switch.
The utility model circumference transition fitting suppression equipment has the advantages that：
1st, two hydraulic cylinders are set in frame upper side, knife rest movement is promoted by the piston rod of hydraulic cylinder, turned using hydraulic cylinder
Change strength caused by hydraulic drive and replace artificial percussion or the strength compressing workpiece surrender shaping of jack top pressure, make the labor of worker
Fatigue resistance is greatly reduced, and without pollution of making an uproar, does not influence surrounding environment, increase substantially efficiency；
2nd, due to the stroke of hydraulic cylinder（That is edge of a knife work range）Can be made according to workpiece needs to adjust, due to balance shaft
The setting of system causes knife rest stable movement, and the workpiece appearance transition of making is round and smooth, and organoleptic quality is good；
3rd, using only needed after technical solutions of the utility model two people operate, by actual contrast, compared with traditional mode
Save more than the people of labour 2, operating efficiency but improves 3~4 times；
4th, the utility model is simple in construction, easy to operate, applied widely, suitable for thickness≤5mm, wide cut≤2000mm
Q235B material bendings.
The utility model circumference transition fitting press is further described with reference to the accompanying drawings and examples.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model circumference transition fitting press；
Fig. 2 is Fig. 1 a-a direction views；
Fig. 3 is Fig. 1 b-b direction views；
Fig. 4 is Fig. 1 c-c direction views；
Fig. 5 is Fig. 1 d-d direction views；
Fig. 6 is Fig. 1 E direction views；
Fig. 7 is zoomed-in view at Fig. 6 F；
Fig. 8 is the structural representation for adjusting screw pair；
Fig. 9 is Fig. 8 top view；
Figure 10 is Fig. 8 side view；
Figure 11 is the structural representation of framework；
Figure 12 is the structural representation for balancing shafting；
Figure 13 is the exploded view of knife rest, knife rest connecting plate and blade；
Drawing reference numeral explanation：1- frameworks, 2- hydraulic cylinders, 3- hydraulic oil pipes, 4- balance shaftings, 41- balance gears, 42- are put down
Weighed axle, 43- equalizer bearings, 5- buttons, 51- pump start buttons, 52- automated backhaul switching buttons, and 53- backhauls regulation input is pressed
Button, 54- emergency stop switch, 6- power switches, 7- upper limits switch, 8- backhauls amplitude adjusted switch, 9- lower limit adjusting switch, 10- knives
Frame, 101- protruded arms, 102- racks, 103- articulated slabs, 104- linking arms, 11- knife rest connecting plates, 12- blades, 13- pressing molds,
14- binding posts, 15- penetration pipes, 16- carriage guides, 17- oil pumps, 18- floor push I, 19- floor push II, 20- regulations
Mechanism, D1- spring bearings, D2- regulation screw pairs, D21- nut seats, D22- leading screws, D23- guide rails, D4- limit switch driving levers,
D5- adjusting handles.
Embodiment
As shown in figure 1 to figure 13, the utility model circumference transition fitting press, including framework 1, hydraulic system, knife rest
10th, blade 12, balance shafting 4, pressing mold 13 and governor motion 20.
As shown in figure 11, framework 1 is that the closed-in construction that the centre formed is provided with hollow out inside casing is connected by plurality of steel plates
Part, arch is the installation site of hydraulic cylinder 2 in hollow out, and the upper edge of hollow out inside casing is the installation site of balance shafting 4, frame
The vertical carriage guide 16 that to two side is connected to guiding knife rest 10 up and down motion of the frame 1 in hollow out inside casing.
Hydraulic system includes hydraulic cylinder 2, hydraulic oil pipe 3 and oil pump 17, and hydraulic cylinder 2 is positioned in the inside casing at the top of framework 1,
10 vertical both sides of knife rest are connected to two racks 102 be arrangeding in parallel, and knife rest 10 is arranged on the hollow out inside casing of framework 1
In, and the upper end of knife rest 10 is connected by articulated slab 103 with the piston push rod of hydraulic cylinder 2, the lower end of knife rest 10 is connected with blade 12, is put down
Weighing apparatus shafting 4 includes 42, two balance gears 41 of balance shaft and two equalizer bearings 43, the bearing block difference of two equalizer bearings 43
It is connected with the upper edge of the hollow out inside casing of framework 1, the both ends of balance shaft 42 are respectively fitted in two equalizer bearings 43, two balance gears
Wheel 41 is respectively fitted over the both ends of balance shaft 42, and two rack 102 phases of two balance gears 41 respectively with the both sides of knife rest 10 are nibbled
Close, pressing mold 13 is positioned at the hollow out inside casing downside surface of framework 1, and the governor motion 20 of the regulation movement travel of knife rest 10 is arranged on framework
1 side.
In the present embodiment, hydraulic system includes two hydraulic cylinders 2, and two hydraulic cylinders 2 are respectively positioned at the top of framework 1
In inside casing, the piston push rod of two hydraulic cylinders 2 is connected by articulated slab 103 with knife rest 10 respectively.It is in concave shape that knife rest 10 is overall,
Including two protruded arms to raise up 101 and the linking arm 104 being connected between two protruded arms 101, it is connected with knife rest 10
Two racks 102 be connected on the protruded arm 101 of the both sides of knife rest 10,10 liang of the piston push rod of hydraulic cylinder 2 and knife rest are prominent
The articulated slab 103 on linking arm 104 gone out between arm 101 connects.The downside of knife rest 10 is also associated with knife rest connecting plate 11, blade 12
It is connected on knife rest connecting plate 11.The middle part of knife rest 10 is fixed with articulated slab 103 with bolt and is connected with the piston push rod of hydraulic cylinder 2,
The lower section of knife rest 10 is provided with the bolt hole of immovable support connecting plate 11, and blade 12 is connected by knife rest connecting plate 11 with knife rest 10.
As shown in figure 3, the pressing mold 13 is located at two round steel of the hollow out inside casing downside surface of framework 1, two round steel
Relative tilt is set and non-intersect, one elongated trapezoidal space of formation between two round steel.Two round steel passes through welding side
Formula is fixed on frame bottom in framework 1.
As shown in Figures 6 to 9, the governor motion 20 includes limit switch driving lever D4, upper limit switch 7, backhaul amplitude tune
Section switch 8, lower limit adjusting switch 9, regulation screw pair D2, adjusting handle D5, limit switch driving lever D4 and knife rest 10 are one of
Lateral wall connects, and two regulation screw pair D2 are arranged on the side of framework 1, two adjusting handle D5 by two couples of spring bearing D1
Two regulation screw pair D2 leading screw lower end is connected to, backhaul amplitude adjusted switch 8 and lower limit adjusting switch 9 are installed respectively
On the nut that two adjust screw pair D2, and in the switch of backhaul amplitude adjusted straight up 8 positioned at the upper of lower limit adjusting switch 9
Side, upper limit switch 7 are arranged on framework 1 and are being located at the upside of backhaul amplitude adjusted switch 8 straight up, moved down on knife rest 10
Limit switch driving lever D4 can push upper limit switch 7, backhaul amplitude adjusted switch 8, lower limit adjusting switch 9 respectively during dynamic.
Regulation screw pair D2 includes nut seat D21, leading screw D22 and guide rail D23, nut seat D21 including barrel nut and with cylinder
The block length square plate that nut is connected with each other, guide rail D23 are connected with the lateral wall of framework 1, nut seat D21 rectangle steel plate one
End is positioned in guide rail D23 so that nut seat D21 is only capable of under guide rail D23 constraint moving up and down along guide rail D23 directions.
The bottom of framework 1 is provided with wire barrel, and wire barrel side is connected with binding post 14, and the Basolateral of framework 1 is also
Floor push I 18, floor push II 19 are respectively equipped with, floor push I 18, floor push II 19 by wire and had an area of respectively
Cross the circuit connection of pipe fitting press.Be provided with power switch 6 on the framework 1 of the upside of governor motion 20, oil pump 17 start by
Button 51, automated backhaul switching button 52, backhaul regulation input button 53, emergency stop switch 54.
Because two hydraulic cylinders 2 are connected with knife rest 10 and rack 102 on knife rest 10 engages with balance shafting 4, two hydraulic cylinders 2
Constrained by balance shafting 4, stretch and keep synchronous；The flexible amplitude of hydraulic cylinder 2 is controlled by the limit-switch positions of regulation, can
To meet the lower knife depth of the workpiece needs of different size.
The utility model has an area of the operation principle and pressing step of transition fitting press：
Operation principle：Needed to adjust the position of lower position switch according to workpiece；Scram button is outwarded winding, power switch 6 is closed
Lock, by the start button 51 of oil pump 17, automated backhaul switching button 52 and backhaul regulation input button 53 are pressed, while step on pin
Switch I 18, floor push II 19 are stepped on, knife rest 10, which is moved down at lower position switch 9, to be stopped, and is unclamped floor push I 18, is ridden
II 19 are switched, knife rest 10 is moved upwards up to backhaul amplitude adjusted and switchs the stopping of 8 positions, now can adjust backhaul amplitude adjusted switch
8, make backhaul amplitude（Distance i.e. between the edge of a knife and pressing mold 13）Meet need of work.Workpiece is placed between blade 12 and pressing mold 13,
For security consideration, floor push I 18, floor push II 19 are controlled by two operative employees respectively, only step on switch, knife simultaneously
Frame 10 just moves down, any people trip switch, knife rest 10 i.e. be moved upwards up to backhaul amplitude adjusted switch 8 positions, to
If upper moving process steps on floor push I 18, floor push II 19 simultaneously, knife rest 10 moves backward at once.Work pieces process is complete
Finish, press backhaul regulation input button 53, knife rest 10 is automatically moved to the upper limit and switchs 7 positions（The edge of a knife and 13 maximum spacing of pressing mold）,
It now can be taken off workpiece.When in use, if not pressing automated backhaul switching button 52, floor push I 18, pin are stepped on when simultaneously
When stepping on switch II 19, knife rest 10 moves down, and unclamps floor push back tool rest 10 and stops movement.It is in office after oil pump 17 starts
What presses scram button in the case of, knife rest 10 will be automatically moved to the upper limit and switch 7 positions.
Pressing step：The expansion model to be made circumference section is drawn on steel plate（It is divided to two deciles by a circumference section
Make）, then with oxyacetylene metal-cutting or and the cutting tool such as plasma cut by model well cutting.Model is placed on pressing mold 13 by sample
The order of bisector ecto-entad on plate is suppressed.One operative employee's operation-control switch, another operative employee help sample
Plate, ensureing that the bisector on model overlaps with blade 12, the downlink drive blade 12 of hydraulic cylinder 2 withstands the model on pressing mold 13, after
Continuous pressurization, until workpiece, the bending starting the arc to predetermined value, then unclamps floor push I 18 or floor push II under the top pressure of blade 12
19, after laying down pressure, then mobile adjustment model depresses one of bisector, repeats line ball process, two pieces of models have been pressed by bisector,
Then they are welded and combined just into a complete circumference transition piece.
Above example is only preferred embodiment of the present utility model, and structure of the present utility model is not limited to above-mentioned implementation
The form enumerated of example, any modification of all made within spirit of the present utility model and principle, equivalent substitution etc., all should be included
Within the scope of protection of the utility model.
Claims (10)
1. one kind circumference transition fitting press, it is characterised in that including framework (1), hydraulic system, knife rest (10), blade
(12) it is that the centre formed is connected by plurality of steel plates, to balance shafting (4), pressing mold (13) and governor motion (20), framework (1)
Closed-in construction part provided with hollow out inside casing, hydraulic system include hydraulic cylinder (2), hydraulic oil pipe (3) and oil pump (17), hydraulic cylinder
(2) it is positioned in the inside casing at the top of framework (1), knife rest (10) vertical both sides are connected to two racks be arrangeding in parallel
(102), knife rest (10) is arranged in the hollow out inside casing of framework (1), and knife rest (10) upper end passes through articulated slab (103) and hydraulic cylinder
(2) piston push rod connection, knife rest (10) lower end are connected with blade (12), and balance shafting (4) is put down including balance shaft (42), two
Weigh gear (41) and two equalizer bearings (43), the bearing blocks of two equalizer bearings (43) respectively with framework (1) hollow out inside casing
Upper edge is connected, and balance shaft (42) both ends are respectively fitted in two equalizer bearings (43), and two balance gears (41) cover respectively
At the both ends of balance shaft (42), and two balance gears (41) are meshed with two racks (102) of knife rest (10) both sides respectively,
Pressing mold (13) is positioned at framework (1) hollow out inside casing downside surface, and the governor motion (20) of regulation knife rest (10) movement travel is set
In the side of framework (1).
2. circumference transition fitting press as claimed in claim 1, it is characterised in that the hydraulic system includes two hydraulic pressure
Cylinder (2), two hydraulic cylinders (2) are respectively positioned in the inside casing at the top of framework (1), the piston push rod difference of two hydraulic cylinders (2)
It is connected by articulated slab (103) with knife rest (10).
3. circumference transition fitting press as claimed in claim 1, it is characterised in that the framework (1) is in hollow out inside casing
The carriage guide (16) of guiding knife rest (10) up and down motion is connected to two side vertically.
4. circumference transition fitting press as claimed in claim 1, it is characterised in that it is in character cut in bas-relief that the knife rest (10) is overall
Shape, including two protruded arms (101) to raise up and the linking arm (104) being connected between two protruded arms (101), with knife
Two racks (102) of frame (10) connection are connected on the protruded arm (101) of knife rest (10) both sides, the work of hydraulic cylinder (2)
Fill in the articulated slab on the linking arm (104) between push rod and the protruded arm (101) of knife rest (10) two（103）Connection.
5. circumference transition fitting press as claimed in claim 4, it is characterised in that be also associated with the downside of the knife rest (10)
Knife rest connecting plate (11), blade (12) are connected on knife rest connecting plate (11).
6. circumference transition fitting press as claimed in claim 1, it is characterised in that the pressing mold (13) is located at framework
(1) two round steel of hollow out inside casing downside surface, two round steel relative tilts are set and non-intersect, and one is formed between two round steel
Individual elongated trapezoidal space.
7. circumference transition fitting press as claimed in claim 1, it is characterised in that the governor motion (20) includes spacing
Switch shift lever (D4), the upper limit switch (7), backhaul amplitude adjusted switch (8), lower limit adjusting switch (9), regulation screw pair (D2),
Adjusting handle (D5), limit switch driving lever (D4) are connected with knife rest (10) one of lateral wall, two regulation screw pairs (D2)
The side of framework (1) is arranged on by two pairs of spring bearings (D1), two adjusting handles (D5) are connected to two regulation silks
The leading screw lower end of bar pair (D2), backhaul amplitude adjusted switch (8) and lower limit adjusting switch (9) are separately mounted to two regulation screw mandrels
On the nut of secondary (D2), and it is located at the upside of lower limit adjusting switch (9), the upper limit in the switch of backhaul amplitude adjusted straight up (8)
Switch (7) to be arranged on framework (1) and be located at the upside of backhaul amplitude adjusted switch (8) straight up, knife rest (10) is up and down
Limit switch driving lever (D4) can push upper limit switch (7), backhaul amplitude adjusted switch (8), lower limit respectively and adjust in moving process
Section switch (9).
8. circumference transition fitting press as claimed in claim 7, it is characterised in that the regulation screw pair (D2) includes spiral shell
Female seat (D21), leading screw (D22) and guide rail (D23), nut seat (D21) include barrel nut and mutually interconnected with barrel nut
The block length square plate connect, guide rail (D23) are connected with framework (1) lateral wall, and rectangle steel plate one end of nut seat (D21) is determined
Position causes nut seat (D21) to be only capable of under guide rail (D23) constraint moving down along on guide rail (D23) direction in guide rail (D23)
It is dynamic.
9. circumference transition fitting press as claimed in claim 1, it is characterised in that framework (1) bottom, which is provided with, to be connect
Spool, wire barrel side are connected with binding post (14), and framework (1) Basolateral further respectively has floor push I (18), ridden
II (19) are switched, floor push I (18), floor push II (19) pass through the circuit of wire and circumference transition fitting press respectively
Connection.
10. circumference transition fitting press as claimed in claim 1, it is characterised in that the frame on the upside of governor motion (20)
Power switch (6), pump start button (51), automated backhaul switching button (52), backhaul regulation input is provided with frame (1) to press
Button (53), emergency stop switch (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720671224.4U CN206868865U (en) | 2017-06-09 | 2017-06-09 | Have an area of transition fitting press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720671224.4U CN206868865U (en) | 2017-06-09 | 2017-06-09 | Have an area of transition fitting press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206868865U true CN206868865U (en) | 2018-01-12 |
Family
ID=61332885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720671224.4U Withdrawn - After Issue CN206868865U (en) | 2017-06-09 | 2017-06-09 | Have an area of transition fitting press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206868865U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107052097A (en) * | 2017-06-09 | 2017-08-18 | 广西建工集团第二安装建设有限公司 | Have an area of transition fitting press |
| CN109550818A (en) * | 2019-01-23 | 2019-04-02 | 佛山市镭戈斯数控设备有限公司 | A kind of metal plate bending automatic production line |
-
2017
- 2017-06-09 CN CN201720671224.4U patent/CN206868865U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107052097A (en) * | 2017-06-09 | 2017-08-18 | 广西建工集团第二安装建设有限公司 | Have an area of transition fitting press |
| CN107052097B (en) * | 2017-06-09 | 2019-01-25 | 广西建工集团第二安装建设有限公司 | Have an area of transition fitting press |
| CN109550818A (en) * | 2019-01-23 | 2019-04-02 | 佛山市镭戈斯数控设备有限公司 | A kind of metal plate bending automatic production line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180112 Effective date of abandoning: 20190125 |
|
| AV01 | Patent right actively abandoned |