CN107487009A - Stamping machine - Google Patents

Stamping machine Download PDF

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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
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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
Application number
CN201710908111.6A
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Chinese (zh)
Other versions
CN107487009B (en
Inventor
王健
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Xinji Machinery Technology Co.,Ltd.
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Xiangshan Xin Yuan Machinery Factory
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Filing date
Publication date
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Priority to CN201710908111.6A priority Critical patent/CN107487009B/en
Publication of CN107487009A publication Critical patent/CN107487009A/en
Application granted granted Critical
Publication of CN107487009B publication Critical patent/CN107487009B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B1/00Presses, 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
    • B30B1/32Presses, 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B15/00Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/06Platens or press rams
    • B30B15/065Press rams
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B15/00Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/32Discharging presses

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  • 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

Stamping machine
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.
CN201710908111.6A 2017-09-29 2017-09-29 Press machine Active CN107487009B (en)

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Application Number Priority Date Filing Date Title
CN201710908111.6A CN107487009B (en) 2017-09-29 2017-09-29 Press machine

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CN107487009A true CN107487009A (en) 2017-12-19
CN107487009B CN107487009B (en) 2019-11-05

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Cited By (5)

* Cited by examiner, † Cited by third party
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
DE29710623U1 (en) * 1997-06-18 1997-08-14 Maynert Horst Dieter Device for punching holes in a hollow profile
CN101430411A (en) * 2007-11-05 2009-05-13 鸿富锦精密工业(深圳)有限公司 Suction nozzle and suction device
CN102672027A (en) * 2012-04-12 2012-09-19 山东大学 Large board blanking system for hydraulic press
CN202667496U (en) * 2012-06-27 2013-01-16 全椒海丰印刷包装有限公司 Product ejection mechanism for stamping die
CN104070560A (en) * 2014-07-01 2014-10-01 重庆利国电气设备制造有限公司 Blanking device capable of blanking different sizes of workpieces
CN204182767U (en) * 2014-10-15 2015-03-04 天津市奥达精密机械制造有限公司 The disposable mould at angle steel upper punch different pore size
CN204638970U (en) * 2015-05-21 2015-09-16 大连顶金通用设备制造股份有限公司 Head pressing machine safety detecting device
CN205362376U (en) * 2016-01-28 2016-07-06 洪柳扬 Alignment processingequipment that punches is rolled up to thin aluminium
CN205571134U (en) * 2016-04-14 2016-09-14 东莞市力玺五金模具制品有限公司 Reverse punching die
CN205763251U (en) * 2016-05-20 2016-12-07 天津市隆之珠模具科技有限公司 A kind of sheet material automobile longeron punching intelligent die
CN206046801U (en) * 2016-08-31 2017-03-29 江西华宇铝业有限公司 A kind of aluminum profile extrusion stamping machine

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29710623U1 (en) * 1997-06-18 1997-08-14 Maynert Horst Dieter Device for punching holes in a hollow profile
CN101430411A (en) * 2007-11-05 2009-05-13 鸿富锦精密工业(深圳)有限公司 Suction nozzle and suction device
CN102672027A (en) * 2012-04-12 2012-09-19 山东大学 Large board blanking system for hydraulic press
CN202667496U (en) * 2012-06-27 2013-01-16 全椒海丰印刷包装有限公司 Product ejection mechanism for stamping die
CN104070560A (en) * 2014-07-01 2014-10-01 重庆利国电气设备制造有限公司 Blanking device capable of blanking different sizes of workpieces
CN204182767U (en) * 2014-10-15 2015-03-04 天津市奥达精密机械制造有限公司 The disposable mould at angle steel upper punch different pore size
CN204638970U (en) * 2015-05-21 2015-09-16 大连顶金通用设备制造股份有限公司 Head pressing machine safety detecting device
CN205362376U (en) * 2016-01-28 2016-07-06 洪柳扬 Alignment processingequipment that punches is rolled up to thin aluminium
CN205571134U (en) * 2016-04-14 2016-09-14 东莞市力玺五金模具制品有限公司 Reverse punching die
CN205763251U (en) * 2016-05-20 2016-12-07 天津市隆之珠模具科技有限公司 A kind of sheet material automobile longeron punching intelligent die
CN206046801U (en) * 2016-08-31 2017-03-29 江西华宇铝业有限公司 A kind of aluminum profile extrusion stamping machine

Cited By (6)

* Cited by examiner, † Cited by third party
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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