CN107487009A - Stamping machine - Google Patents
Stamping machine Download PDFInfo
- Publication number
- CN107487009A CN107487009A CN201710908111.6A CN201710908111A CN107487009A CN 107487009 A CN107487009 A CN 107487009A CN 201710908111 A CN201710908111 A CN 201710908111A CN 107487009 A CN107487009 A CN 107487009A
- Authority
- CN
- China
- Prior art keywords
- staking punch
- punching
- punching press
- branch pipe
- oil
- 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.)
- Granted
Links
- 238000004080 punching Methods 0.000 claims abstract description 115
- 239000003921 oil Substances 0.000 claims abstract description 51
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 23
- 238000003860 storage Methods 0.000 claims abstract description 18
- 238000005516 engineering process Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000009416 shuttering Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/32—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/06—Platens or press rams
- B30B15/065—Press rams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/32—Discharging presses
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The present invention relates to the stamping technology field of rigid workpiece, and in particular to a kind of stamping machine, including supporting plate, supporting plate is interior to be provided with punching, in addition to ejecting mechanism, punching mechanism and the oil storage cylinder for storing hydraulic oil；Oil storage cylinder is communicated with the first branch pipe and the second branch pipe below the first branch pipe, and horizontal piston is slidably connected in oil storage cylinder, and piston rod is connected with horizontal piston；Ejecting mechanism includes liftout plate and the buffer barrel being connected to below liftout plate；The quantity of punching mechanism is no less than two, and punching mechanism includes staking punch, connecting rod, vertical piston and oil distributing pipe；The punching press area of bed of each punching mechanism is different.The technical program is all very convenient when changing staking punch and taking out stamping parts, is favorably improved ram efficiency.
Description
Technical field
The present invention relates to the stamping technology field of rigid workpiece, and in particular to a kind of stamping machine.
Background technology
Punching press is that depended on pressure machine and mould apply external force to sheet material, band, tubing and section bar etc., is allowed to produce plastic deformation
Or separation, so as to obtain the forming and machining method of the workpiece (stamping parts) of required shape and size.Punching press and forging belong to plasticity together
Process (or pressure processing), be collectively referred to as forging and pressing.The blank of punching press is mainly the steel plate and steel band of hot rolling and cold rolling.Global steel
In material, it is sheet material to have 60~70%, and finished product is made by punching press in wherein most.Traditional stamping machine is in punching course, only
Energy punching press one type, the stamping parts of specification, the service efficiency of such serious waste pressing equipment.
Notification number is that CN206229899U Chinese patent discloses a kind of stamping machine, including support shuttering, support shuttering
The left and right sides and front and rear sides are provided with grip block, and different types of die shoe is provided with the inside of grip block, branch is provided with the outside of grip block
Strut, support bar are provided with support block, and foundation is provided with the downside of support block, and cushion blocking, support shuttering upside four are provided with the downside of foundation
Angle is provided with support column, and connecting plate is provided with the upside of support column, is provided with motor on the upside of connecting plate, and motor downside is provided with screw mandrel, on screw mandrel
Provided with sliding block, adapter sleeve is provided with the outside of sliding block, connecting rod is provided with the right side of adapter sleeve, contiguous block, contiguous block are provided with the right side of connecting rod
Downside is provided with montant, and connecting seat is provided with the downside of montant, staking punch is provided with the downside of connecting seat.The technical scheme passes through screw mandrel, connection
The setting of block, die shoe, connecting seat and staking punch, can effectively carry out the punching press of different types of stamping parts, so can be with
Effectively improve the service efficiency and utilization rate of stamping machine.
But also there is the problem of certain in above-mentioned technical proposal：1st, the stamping parts of different sizes is being processed（Such as face
The different round steel sheet of product）When, it is necessary to artificially change staking punch, troublesome in poeration, ram efficiency is relatively low；What the 2nd, punching press obtained rushes
Casting die needs artificially to take out out of stamping die, operating difficulties.
The content of the invention
It is an object of the invention to provide a kind of stamping machine, needs to change staking punch processing various sizes of stamping parts
When, and when taking out stamping parts it is all very convenient, be favorably improved ram efficiency.
To reach above-mentioned purpose, base case of the invention is as follows：Stamping machine, including supporting plate, supporting plate is interior to be provided with punching
Hole, in addition to ejecting mechanism, punching mechanism and the oil storage cylinder for storing hydraulic oil；Oil storage cylinder is communicated with the first branch pipe and is located at
The second branch pipe below first branch pipe, and horizontal piston is slidably connected in oil storage cylinder, piston rod is connected with horizontal piston；Top
Going out mechanism includes liftout plate and the buffer barrel being connected to below liftout plate, and liftout plate is located in punching, buffer barrel and described second
Branch pipe is slidably connected, and buffer barrel connects with the second branch pipe；The quantity of punching mechanism is no less than two, and punching mechanism includes punching
Pressure head, connecting rod, vertical piston and oil distributing pipe；Connecting rod one end is connected with staking punch, and the other end is connected with vertical piston；Vertical piston
It is slidably connected in oil distributing pipe, and spring is connected between vertical piston and oil distributing pipe；Oil distributing pipe connects with the first branch pipe, and point
Oil pipe is provided with valve；The punching press area of bed of each punching mechanism is different.
The operation principle of above-mentioned technical proposal is：Under normal circumstances, the valve on oil distributing pipe is closed, and is not had in oil distributing pipe
Hydraulic oil；Buffer barrel is fastened on the second branch pipe because of the gravity of itself；When needing punching press, workpiece to be punched is placed on
In supporting plate；According to the size needs of stamping parts, the staking punch of corresponding size is selected, and is opened corresponding to staking punch on oil distributing pipe
Valve；Piston rod is promoted, horizontal piston is extruded, the hydraulic oil in oil storage cylinder is expressed into the first branch pipe and the second branch pipe；
In the oil distributing pipe being opened into the hydraulic oil of the first branch pipe into valve, vertical piston is extruded, vertical piston moves down, and passes through company
Bar promotes staking punch to move down, and punching press is carried out to the workpiece in supporting plate；Simultaneously into the second branch pipe hydraulic oil can enter it is slow
Rush in bucket, with the lasting injection of hydraulic oil, the gradual upward sliding of buffer barrel so that liftout plate in punching is also to moving up
It is dynamic, realize when staking punch stamped workpieces, can be by a upward support force；The stamping parts that punching press obtains is in liftout plate
In the presence of, i.e., ejected out of punching, complete a punching press；Piston rod is retracted again, hydraulic oil is collected into back oil storage cylinder, and close
Valve, now, the hydraulic oil in oil distributing pipe are sucked away, and vertical piston moves up, set back under the action of the spring,
Hydraulic oil in buffer barrel is sucked away, and buffer barrel is fastened on the second branch pipe again under self gravitation effect, conveniently next time
Punching press.
The beneficial effect of above-mentioned technical proposal is：
1st, compared with artificially changing the mode of operation of staking punch in the prior art, the quantity of the technical program punching mechanism is no less than
Two, and the punching press area of bed of each punching mechanism is different, when the various sizes of stamping parts of processing needs to change staking punch,
Only need to open the valve corresponding to corresponding size staking punch, it is easy to operate, it is favorably improved ram efficiency.
2nd, compared with needing artificially to take out the mode of operation of stamping parts out of punching in the prior art, the technical program is led to
Cross hydraulic oil and push up buffer barrel upwards, and allow the liftout plate being connected to above buffer barrel to be located in punching, such buffer barrel is upward, top
Ejecting plate also can be upward, easy to operate so as to which the stamping parts in punching be ejected, and is favorably improved ram efficiency.
3rd, the technical program connects the first branch pipe and the second branch pipe with oil storage cylinder, and the first branch pipe is located on the second branch pipe
Side, and using the pressure of hydraulic oil, while realize and allow the downward punching press of staking punch and action that liftout plate ejects upwards, effectively utilize
Power oil.
Preferred scheme one：Based on scheme preferred scheme, the quantity of punching mechanism is three.The punching press of three kinds of sizes
It is optional, adapt to needed for general production.
Preferred scheme two：Preferably one preferred scheme, staking punch corresponding to three punching mechanisms are respectively
One staking punch, the second staking punch and the 3rd staking punch, the first staking punch are slidably connected in the second staking punch, and the second staking punch is slided
It is dynamic to be connected in the 3rd staking punch.By three staking punch fits together, staking punch footprint area is advantageously reduced, stamping machine is whole
Body structure is simpler.
Preferred scheme three：Preferably two preferred scheme, the first staking punch are provided with the first punching press sword, the second punching
Pressure head is provided with the second punching press sword, and the 3rd staking punch is provided with the 3rd punching press sword, and the first punching press sword is higher than the second punching press sword, and second
Punching press sword is higher than the 3rd punching press sword.The purpose so designed is：Even if three staking punch fits are together, but in selection punching press
When head carries out punching press, the first staking punch, the second staking punch and the 3rd staking punch still each can independently carry out punching press, without
Influenceed by other staking punch.
Preferred scheme four：Preferably three preferred scheme, the first staking punch are provided with the first top plate, the second punching press
Head is provided with the second top plate, and the 3rd staking punch is provided with the 3rd top plate, and the first top plate is less than the second top plate, and the second top plate is less than the
Three top plates.The purpose so designed is, during the downward punching press of the first staking punch, other two staking punch remains stationary is motionless, and
During the downward punching press of the second staking punch, the second staking punch can drive the first staking punch downward, but because the first punching press sword is higher than the
Two punching press swords, so the independent punching press of the second staking punch energy by the first staking punch without being influenceed；Similarly, the 3rd staking punch is to undershoot
When pressure, the second staking punch, the downward punching press of the first staking punch can be driven, and the independent punching press of the 3rd staking punch energy is without by it
The influence of his staking punch.
Preferred scheme five：Preferably two preferred scheme, in addition to the cunning chamber being slidably connected with the 3rd staking punch.
The purpose so designed is, makes the process of the 3rd downward punching press of staking punch more steady.
Preferred scheme six：Based on scheme preferred scheme, the cross section of oil distributing pipe is less than the cross section of the first branch pipe.
Entering first from oil distributing pipe, intuitively greatly, bigger to the impulsive force of vertical piston, staking punch punching press effect is more for the change of hydraulic pressure oil flow rate
It is good.
Brief description of the drawings
Fig. 1 is the structural representation of stamping machine embodiment of the present invention；
Fig. 2 is the structural representation of three punching mechanisms in Fig. 1.
Embodiment
Below by embodiment, the present invention is further detailed explanation：
Reference in Figure of description includes：Supporting plate 1, punching 10, oil storage cylinder 2, horizontal piston 20, piston rod 21,
One branch pipe 3, the second branch pipe 4, liftout plate 5, buffer barrel 50, oil distributing pipe 6, connecting rod 60, vertical piston 61, stage clip 62, valve 63,
One staking punch 7, the first punching press sword 70, the first top plate 71, the second staking punch 8, the second punching press sword 80, the punching of the second top plate the 81, the 3rd
Pressure head 9, the 3rd punching press sword 90, the 3rd top plate 91, sliding chamber 0.
Embodiment is substantially as shown in Figure 1：Stamping machine, including supporting plate 1, supporting plate 1 is interior to be provided with punching 10, in addition to ejection
Mechanism, punching mechanism and the oil storage cylinder 2 for storing hydraulic oil；Oil storage cylinder 2 is communicated with the first branch pipe 3 and positioned at the first branch pipe 3
Second branch pipe 4 of lower section, and horizontal piston 20 is slidably connected in oil storage cylinder 2, piston rod 21 is connected with horizontal piston 20；Top
Go out the buffer barrel 50 that mechanism includes liftout plate 5 and is connected to the lower section of liftout plate 5, liftout plate 5 be located in punching 10, buffer barrel 50 and
Second branch pipe 4 is slidably connected, and buffer barrel 50 connects with the second branch pipe 4；The quantity of punching mechanism is no less than two, such as schemes
Shown in 2, punching mechanism includes staking punch, connecting rod 60, vertical piston 61 and oil distributing pipe 6；The one end of connecting rod 60 is connected with staking punch, separately
One end is connected with vertical piston 61；Vertical piston 61 is slidably connected in oil distributing pipe 6, and between vertical piston 61 and oil distributing pipe 6
It is connected with spring, the preferred stage clip 62 of spring in the present embodiment；Oil distributing pipe 6 connects with the first branch pipe 3, and oil distributing pipe 6 is provided with valve
Door 63, valve 63 can select reversal valve of the prior art；The cross section of oil distributing pipe 6 is less than the cross section of the first branch pipe 3；Often
The punching press area of bed of individual punching mechanism is different, and staking punch is hollow structure, the preferred cylinder of shape of staking punch in the present embodiment.
The quantity of punching mechanism preferably three in the present embodiment, staking punch corresponding to three punching mechanisms are respectively the first punching
Pressure head 7, the second staking punch 8 and the 3rd staking punch 9；First staking punch 7 is provided with the first punching press sword 70, is set on the second staking punch 8
There is the second punching press sword 80, the 3rd staking punch 9 is provided with the 3rd punching press sword 90, and the first punching press sword 70 is higher than the second punching press sword 80, the
Two punching press swords 80 are higher than the 3rd punching press sword 90；First staking punch 7 is provided with the first top plate 71, and the second staking punch 8 is provided with second
Top plate 81, the 3rd staking punch 9 are provided with the 3rd top plate 91, and the first top plate 71 is less than the second top plate 81, and the second top plate 81 is less than the
Three top plates 91；Sliding chamber 0 is slidably connected outside 3rd staking punch 9.The point midway of the first top plate 71 connects one in the present embodiment
The connecting rod 60, two connecting rods 60 are connected with the second top plate 81, three connecting rods 60 are connected with the 3rd top plate 91,
When so hydraulic oil impacts vertical piston 61, staking punch impact process is more stable.
Under normal circumstances, the valve 63 on oil distributing pipe 6 is closed, and does not have hydraulic oil in oil distributing pipe 6；Buffer barrel 50 because itself
Gravity is fastened on the second branch pipe 4；When needing punching press, workpiece to be punched is placed in supporting plate 1；According to stamping parts
Size need, select the staking punch of corresponding size, and open the valve 63 corresponding to staking punch on oil distributing pipe 6；Promote piston
Bar 21, horizontal piston 20 is extruded, the hydraulic oil in oil storage cylinder 2 is expressed into the first branch pipe 3 and the second branch pipe 4.
If selecting the first staking punch 7 to carry out punching press, the hydraulic oil into the first branch pipe 3 enters the correspondence of the first staking punch 7
Oil distributing pipe 6 in, extrude vertical piston 61, vertical piston 61 moves down, and promotes the first staking punch 7 to move down by connecting rod 60, to branch
Workpiece on fagging 1 carries out punching press；It can be entered in buffer barrel 50 into the hydraulic oil of the second branch pipe 4 simultaneously, with hydraulic oil
Lasting injection, 50 gradual upward sliding of buffer barrel so that the liftout plate 5 in punching 10 also moves up, and realizes
, can be by a upward support force when one 7 stamped workpieces of staking punch；Work of the stamping parts that punching press obtains in liftout plate 5
Under, i.e., ejected out of punching 10, complete a punching press；Piston rod 21 is retracted again, hydraulic oil is collected into back oil storage cylinder 2, and close
Valve closing door 63, now, the hydraulic oil in oil distributing pipe 6 are sucked away, vertical piston 61 moves up in the presence of stage clip 62,
Set back, the hydraulic oil in buffer barrel 50, which is collected, to be sucked away, and buffer barrel 50 is fastened on again under self gravitation effect
On two branch pipes 4, convenient punching press next time.
If it is consistent to select the second staking punch 8 to carry out punching press, its operating method and operation principle with the first staking punch 7 of selection
, difference is, when the second 8 downward punching press of staking punch, can also drive the first staking punch 7 to move down, but due to
One punching press sword 70 is higher than the second punching press sword 80, so the second staking punch 8 still is able to independent stamped workpieces.
If it is consistent to select the 3rd staking punch 9 to carry out punching press, its operating method and operation principle with the first staking punch 7 of selection
, difference is, when the 3rd 9 downward punching press of staking punch, can also drive the first staking punch 7 and the second staking punch 8 to moving down
It is dynamic, but because the first punching press sword 70 is higher than the second punching press sword 80, the second punching press sword 80 is higher than the 3rd punching press sword 90, so the 3rd
Staking punch 9 still is able to independent stamped workpieces.
Above-described is only embodiments of the invention, and the general knowledge such as known concrete structure and characteristic is not made herein in scheme
Excessive description., without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these should also be considered as protection scope of the present invention, and these are implemented all without the influence present invention
Effect and practical applicability.The scope of protection required by this application should be based on the content of the claims, in specification
The records such as embodiment can be used for the content for explaining claim.
Claims (7)
1. stamping machine, including supporting plate, the supporting plate is interior to be provided with punching, it is characterised in that also including ejecting mechanism, stamping machine
Structure and the oil storage cylinder for storing hydraulic oil；The oil storage cylinder is communicated with the first branch pipe and second below the first branch pipe
Pipe, and horizontal piston is slidably connected in oil storage cylinder, it is connected with piston rod in the horizontal piston；The ejecting mechanism includes top
Ejecting plate and the buffer barrel being connected to below liftout plate, the liftout plate are located in the punching, the buffer barrel and described second
Branch pipe is slidably connected, and buffer barrel connects with second branch pipe；The quantity of the punching mechanism is no less than two, and stamping machine
Structure includes staking punch, connecting rod, vertical piston and oil distributing pipe；Described connecting rod one end is connected with staking punch, the other end and vertical piston
Connection；The vertical piston is slidably connected in oil distributing pipe, and spring is connected between vertical piston and oil distributing pipe；Described point of oil
Pipe connects with first branch pipe, and oil distributing pipe is provided with valve；The punching press area of bed of each punching mechanism is different.
2. stamping machine according to claim 1, it is characterised in that the quantity of the punching mechanism is three.
3. stamping machine according to claim 2, it is characterised in that staking punch corresponding to three punching mechanisms is respectively first
Staking punch, the second staking punch and the 3rd staking punch, first staking punch are slidably connected in the second staking punch, second punching
Pressure head is slidably connected in the 3rd staking punch.
4. stamping machine according to claim 3, it is characterised in that first staking punch is provided with the first punching press sword, institute
State the second staking punch and be provided with the second punching press sword, the 3rd staking punch is provided with the 3rd punching press sword, and the first punching press sword is high
In the second punching press sword, the second punching press sword is higher than the 3rd punching press sword.
5. stamping machine according to claim 4, it is characterised in that first staking punch is provided with the first top plate, described
Second staking punch is provided with the second top plate, and the 3rd staking punch is provided with the 3rd top plate, and first top plate is less than described the
Two top plates, second top plate are less than the 3rd top plate.
6. stamping machine according to claim 3, it is characterised in that also include the cunning being slidably connected with the 3rd staking punch
Chamber.
7. stamping machine according to claim 1, it is characterised in that the cross section of the oil distributing pipe is less than first branch pipe
Cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710908111.6A CN107487009B (en) | 2017-09-29 | 2017-09-29 | Press machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710908111.6A CN107487009B (en) | 2017-09-29 | 2017-09-29 | Press machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107487009A true CN107487009A (en) | 2017-12-19 |
| CN107487009B CN107487009B (en) | 2019-11-05 |
Family
ID=60654168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710908111.6A Active CN107487009B (en) | 2017-09-29 | 2017-09-29 | Press machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107487009B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108127764A (en) * | 2017-12-21 | 2018-06-08 | 重庆仁实商贸有限公司 | Plate stamping machine |
| CN108127749A (en) * | 2017-12-21 | 2018-06-08 | 重庆仁实商贸有限公司 | A kind of production technology of flame-retardant board |
| CN111659798A (en) * | 2020-05-13 | 2020-09-15 | 喻贞烈 | Hydraulic punching machine for flange plate machining |
| CN114210820A (en) * | 2021-11-12 | 2022-03-22 | 西安赛尔电子材料科技有限公司 | Wire flattening and punching equipment based on metal sealing and use method thereof |
| CN116394574A (en) * | 2023-05-26 | 2023-07-07 | 西安咏空电子科技有限公司 | Electrical automatic stamping equipment for hardware production |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108127764A (en) * | 2017-12-21 | 2018-06-08 | 重庆仁实商贸有限公司 | Plate stamping machine |
| CN108127749A (en) * | 2017-12-21 | 2018-06-08 | 重庆仁实商贸有限公司 | A kind of production technology of flame-retardant board |
| CN111659798A (en) * | 2020-05-13 | 2020-09-15 | 喻贞烈 | Hydraulic punching machine for flange plate machining |
| CN114210820A (en) * | 2021-11-12 | 2022-03-22 | 西安赛尔电子材料科技有限公司 | Wire flattening and punching equipment based on metal sealing and use method thereof |
| CN116394574A (en) * | 2023-05-26 | 2023-07-07 | 西安咏空电子科技有限公司 | Electrical automatic stamping equipment for hardware production |
| CN116394574B (en) * | 2023-05-26 | 2024-03-22 | 揭阳市同力五金电器有限公司 | Electrical automatic stamping equipment for hardware production |
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| CN107487009B (en) | 2019-11-05 |
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Effective date of registration: 20220307 Address after: 315000 Dongjiao Road, xinliangting Industrial Zone, Daxu Town, Xiangshan County, Ningbo City, Zhejiang Province Patentee after: Ningbo Xinji Machinery Technology Co.,Ltd. Address before: 315000 No. 8, Dongjiao Road, xinliangting Industrial Zone, Daxu Town, Xiangshan County, Zhejiang Province Patentee before: XIANGSHAN XINJI MACHINERY FACTORY |
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Effective date of registration: 20240806 Address after: No. 05-06, Building 7, Jingtai Hardware and Electrical City, Yulin Avenue, Yulin City, Shaanxi Province 719000 Patentee after: Yulin Hongte Stainless Steel Engineering Co.,Ltd. Country or region after: China Address before: 315000 Dongjiao Road, xinliangting Industrial Zone, Daxu Town, Xiangshan County, Ningbo City, Zhejiang Province Patentee before: Ningbo Xinji Machinery Technology Co.,Ltd. Country or region before: China |