CN109226482A - A kind of hydraulic press reduces the device of noise - Google Patents
A kind of hydraulic press reduces the device of noise Download PDFInfo
- Publication number
- CN109226482A CN109226482A CN201811304312.6A CN201811304312A CN109226482A CN 109226482 A CN109226482 A CN 109226482A CN 201811304312 A CN201811304312 A CN 201811304312A CN 109226482 A CN109226482 A CN 109226482A
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- CN
- China
- Prior art keywords
- plate
- door
- casing
- operation box
- sound insulation
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0076—Noise or vibration isolation means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Presses And Accessory Devices Thereof (AREA)
Abstract
The present invention relates to the devices that a kind of hydraulic press reduces noise, including casing, door-plate, operation box, sealing device, abatvoix, support base, bottom plate, support column, rack, sound arrester, fixed frame, hydraulic cylinder and oil cylinder motor, the side of the casing is provided with door-plate, the door-plate is internally provided with operation box, the inside of the casing is equipped with support base, the inside of door-plate is arranged in the sealing device, and the abatvoix is embedded in the inner wall of casing；Organic frame is connected on the outside of the support column far from bottom plate, is provided with sound arrester on the outside of the top board, the rack is connected by connecting rod with hydraulic cylinder, and the hydraulic cylinder is connected by oil inlet pipe with oil cylinder motor.The device that the hydraulic press reduces noise is provided with sound insulation plate in the bottom of lower platen, so that sound insulation plate is inserted vertically into inside slot, so that sound insulation plate forms the rectangle frame of a sealing, thus the noise for effectively reducing stamped workpieces inside sound insulation plate and generating.
Description
Technical field
The present invention relates to hydraulic press noise reducing apparatus technical field, specially a kind of hydraulic press reduces the device of noise.
Background technique
Hydraulic press is common mechanical equipment in production and processing, commonly uses the excellent suitability for press forming with part, while can also correct,
Press fitting, packing, briquetting and pressing plate etc., in the process mistake of hydraulic press punching press, powerful impact force and pressure can generate biggish make an uproar
Sound in the workshop of factory, often has multiple stamping equipments while carrying out press work, and the noise generated in this way is just very big
, worker, which works long hours, certain injury is caused to ear-drum or health, it is therefore desirable to reduce to hydraulic press setting and make an uproar
The device of sound.
Now reducing the method for noise to worker between common hydraulic locomotive in the market is exactly to wear acoustic insulating ear plug, by clogging
Ear is passed to ear to reduce noise, can not fundamentally solve, and the communication that normally works after wearing acoustic insulating ear plug
Also it will receive influence, it is inconvenient to production and processing bring.
Summary of the invention
The purpose of the present invention is to provide the devices that a kind of hydraulic press reduces noise, to solve to propose in above-mentioned background technique
Existing hydraulic locomotive between to worker reduce noise method be exactly to wear acoustic insulating ear plug, reduced by clogging ear noise biography
Enter ear, can not fundamentally solve, and the communication that normally works after wearing acoustic insulating ear plug also will receive influence, to life
Produce the problem of processing is made troubles.
To achieve the above object, the invention provides the following technical scheme: a kind of hydraulic press reduces the device of noise, including machine
It is shell, door-plate, operation box, sealing device, abatvoix, support base, bottom plate, support column, rack, sound arrester, fixed frame, hydraulic
Cylinder and oil cylinder motor, the side of the casing are provided with door-plate, and the door-plate is internally provided with operation box, the casing it is interior
Portion is equipped with support base, wherein the side of the door-plate is connected by hinge with casing, and the operation box is provided with door-plate
Center, inductor is installed at the top of the operation box, the inside of door-plate, the operation is arranged in the sealing device
The side of frame is provided with brake handle, and door handle is equipped on the outside of the door-plate, and the side of the door handle is equipped with lock,
The door-plate surface of the operation frame bottom is equipped with operation panel, and the abatvoix is embedded in the inner wall of casing；
The bottom surface that the support base is fixed on casing internal by installing bolt, the support base one far from installation bolt
End is provided with bottom plate, and the bottom plate is internally connected with support column, and the surface of the bottom plate is provided with lower platen, far from bottom plate
Organic frame is connected on the outside of the support column, the bottom surface of the rack is provided with top board, is provided with sound insulation on the outside of the top board
The top of device, the sound arrester is mutually fixed with rack, and the rack is connected by connecting rod with hydraulic cylinder, described hydraulic
Cylinder is fixed on the inside of fixed frame, and the fixed frame is connected to the top of support column, and the hydraulic cylinder passes through oil inlet pipe and oil cylinder
Motor is connected, and the oil cylinder motor is mounted on the casing internal of support base side, the oil cylinder motor by oil return pipe with
Rack is connected.
Preferably, the operation box is provided with the axial centerline of casing, and operation box is the rectangular frame structure of perforation.
Preferably, the sealing device includes baffle, hydraulic stem, connecting plate, flapper and sliding slot, and the baffle is fixed
Hydraulic stem is installed at the top of the inside of door-plate, the baffle, the movable end of the hydraulic stem passes through connecting plate and flapper
It is connected, the inside of sliding slot is arranged in the two sides of the flapper.
Preferably, the flapper by hydraulic stem constitute lifting structure, and the area of flapper be greater than behaviour
Make the inner opening area of frame.
Preferably, the abatvoix is closely embedded in the inner wall of casing, and is honeycomb structure inside abatvoix.
Preferably, the support base is bolted with casing internal by installation bolt composition
Preferably, the height of the bottom plate and the position of operation box are consistent.
Preferably, the sound arrester includes sound insulation plate, attaching nut, slot and gasket, the sound insulation plate
Top is connected by attaching nut with the bottom of rack, and the opposite base plate interior of the sound insulation plate offers slot,
The inner wall of the slot is equipped with gasket.
Preferably, the sound insulation plate interconnection is set as rectangular frame structure, and the thickness of sound insulation plate is less than slot
Width, and be movable be connected together between sound insulation plate and slot.
Compared with prior art, the beneficial effects of the present invention are: the hydraulic press reduces the device of noise:
1. being provided with the casing of sealing structure, and the inner wall of casing is closely provided with abatvoix, entire hydraulic press is mounted in machine
The inside of shell, the noise that closed casing generates hydraulic press is isolated, while abatvoix can effectively absorb in casing
Noise do not influence the normal operating exchange of worker to inherently reduce the propagation of noise, the casing of sealing by workpiece with
Worker separates, and improves the safety of the productive manpower；
2. operation box is offered in the inside of door-plate, and operation box is internally provided with up-down movable baffle, when closing door-plate,
It can directly be processed by operation box workpiece of taking out of hydraulic press, workpiece is put into lower platen by operation box
Behind surface, hand is taken out out of operation box, inductor transmits signal at this time, adjusts hydraulic stem elongation and drives flapper to moving down
It is dynamic, so that operation box is closed, completely cut off noise, while also functioning to the effect of barrier protection；
3. being provided with sound insulation plate in the bottom of lower platen, slot is offered in the inside of bottom plate, when carrying out press work, under
Pressing plate drives top board mobile to bottom plate, the workpiece on lower platen is carried out punching press, while lower platen drives sound insulation plate downward
It is mobile, so that sound insulation plate is inserted vertically into inside slot, so that sound insulation plate forms the rectangle frame of a sealing, thus effectively
Reduction sound insulation plate inside stamped workpieces and the noise that generates.
Detailed description of the invention
Fig. 1 is the positive structure diagram for the device that a kind of hydraulic press of the present invention reduces noise；
Fig. 2 is the schematic diagram of sealing device for the device that a kind of hydraulic press of the present invention reduces noise；
Fig. 3 is the casing internal structural schematic diagram for the device that a kind of hydraulic press of the present invention reduces noise；
Fig. 4 is the sound arrester the schematic diagram of the section structure for the device that a kind of hydraulic press of the present invention reduces noise；
Fig. 5 is the bottom plate overlooking structure diagram for the device that a kind of hydraulic press of the present invention reduces noise.
In figure: 1, casing, 2, door-plate, 3, hinge, 4, operation box, 5, inductor, 6, sealing device, 601, baffle, 602,
Hydraulic stem, 603, connecting plate, 604, flapper, 605, sliding slot, 7, brake handle, 8, door handle, 9, lock, 10, operating surface
Plate, 11, abatvoix, 12, support base, 13, installation bolt, 14, bottom plate, 15, support column, 16, lower platen, 17, rack, 18,
Top board, 19, sound arrester, 1901, sound insulation plate, 1902, attaching nut, 1903, slot, 1904, gasket, 20, connection
Bar, 21, fixed frame, 22, hydraulic cylinder, 23, oil cylinder motor, 24, oil inlet pipe, 25, oil return pipe.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-5, the present invention provides a kind of technical solution: a kind of hydraulic press reduces the device of noise, including casing
1, door-plate 2, hinge 3, operation box 4, inductor 5, sealing device 6, brake handle 7, door handle 8, lock 9, operation panel 10, suction
Soundboard 11, support base 12, installation bolt 13, bottom plate 14, support column 15, lower platen 16, rack 17, top board 18, sound insulation dress
Set 19, connecting rod 20, fixed frame 21, hydraulic cylinder 22, oil cylinder motor 23, oil inlet pipe 24 and oil return pipe 25, the side of the casing 1
It is provided with door-plate 2, the door-plate 2 is internally provided with operation box 4, and the inside of the casing 1 is equipped with support base 12,
In,
The side of the door-plate 2 is connected by hinge 3 with casing 1, and the operation box 4 is provided with the center of door-plate 2, institute
The axial centerline that operation box 4 is provided with casing 1 is stated, and operation box 4 is the rectangular frame structure of perforation, the operation of center
Frame 4, convenient for workpiece of manually taking into casing 1, the top of the operation box 4 is equipped with inductor 5, and the sealing device 6 is set
It sets in the inside of door-plate 2, the sealing device 6 includes baffle 601, hydraulic stem 602, connecting plate 603, flapper 604 and slides
Slot 605, the baffle 601 are fixed on the inside of door-plate 2, hydraulic stem 602, the hydraulic stem are equipped at the top of the baffle 601
602 movable end is connected by connecting plate 603 with flapper 604, and the two sides of the flapper 604 are arranged in sliding slot
605 inside, the flapper 604 constitutes lifting structure by hydraulic stem 602, and the area of flapper 604 is big
In the inner opening area of operation box 4, the flapper 604 of lift is convenient for going up and down at any time, enables flapper 604 will
Operation box 4 seals up, to reduce the transmitting of noise, the side of the operation box 4 is provided with brake handle 7, the door-plate 2
Outside is equipped with door handle 8, and the side of the door handle 8 is equipped with lock 9,2 surface of the door-plate of 4 bottom of operation box
Operation panel 10 is installed, the abatvoix 11 is embedded in the inner wall of casing 1, and the abatvoix 11 is closely embedded in casing 1
Inner wall, and be honeycomb structure inside abatvoix 11, it is packed with abatvoix 11 in closed 1 inner wall of casing, so that the sound insulation of casing 1
Effect is more preferable, and abatvoix 11 more fully absorbs the noise of hydraulic press generation；
The support base 12 is fixed on bottom surface casing 1 inside by installing bolt 13, in the support base 12 and casing 1
Portion is bolted by the installation composition of bolt 13, so that casing 1 uses more convenient, can be dismantled at any time, expanding makes
With range, 12 one end of the support base far from installation bolt 13 is provided with bottom plate 14, the height and operation of the bottom plate 14
The position of frame 4 is consistent, so that people station can directly operate hydraulic press by operation box 4 in face of operation box 4, it is high
Degree unanimously facilitates operation, and the bottom plate 14 is internally connected with support column 15, and the surface of the bottom plate 14 is provided with lower platen 16,
Organic frame 17 is connected on the outside of the support column 15 far from bottom plate 14, the bottom surface of the rack 17 is provided with top board 18, described
Sound arrester 19 is provided on the outside of top board 18, the sound arrester 19 includes sound insulation plate 1901, attaching nut 1902, slot
1903 and gasket 1904, the top of the sound insulation plate 1901 be connected by attaching nut 1902 with the bottom of rack 17,
Slot 1903 is offered inside the opposite bottom plate 14 of the sound insulation plate 1901, the inner wall of the slot 1903 is equipped with close
The degree of being completely embedded between sound insulation plate 1901 and slot 1903 can be improved in packing 1904, gasket 1904, thus improve every
Audio fruit, the interconnection of sound insulation plate 1901 is set as rectangular frame structure, and the thickness of sound insulation plate 1901 is less than slot
1903 width, and between sound insulation plate 1901 and slot 1903 be it is movable be connected together, when carrying out press work, under
Pressing plate drives top board mobile to bottom plate, the workpiece on lower platen is carried out punching press, while lower platen drives sound insulation plate downward
It is mobile, so that sound insulation plate is inserted vertically into inside slot, so that sound insulation plate forms the rectangle frame of a sealing, thus effectively
Reduction sound insulation plate inside stamped workpieces and the noise that generates, top and 17 phase of rack of the sound arrester 19 are fixed, institute
It states rack 17 to be connected by connecting rod 20 with hydraulic cylinder 22, the hydraulic cylinder 22 is fixed on the inside of fixed frame 21, described solid
Determine the top that frame 21 is connected to support column 15, the hydraulic cylinder 22 is connected by oil inlet pipe 24 with oil cylinder motor 23, the oil
Cylinder motor 23 is mounted on inside the casing 1 of 12 side of support base, and the oil cylinder motor 23 passes through oil return pipe 25 and 17 phase of rack
Connection.
The working principle of the present embodiment: the hydraulic press reduces the device of noise, before using the device, firstly, opening
Lock 9 pulls door handle 8 to open door-plate 2, the installation bolt 13 of 12 four corners of support base is closely then mounted on machine
1 bottom surface of shell, completes the connection between each part, and door-plate 2 is shut lock 9 later and is locked, during use, passes through operation
Panel 10 controls hydraulic press, first adjusts the contraction of hydraulic stem 602 and lifts flapper 604, then processes needs
Workpiece ploughs under on lower platen 16, takes out arm out of operation box 4 after putting well, and it is hydraulic to transmit Signal Regulation for inductor 5 at this time
Bar 602 extends, and it is mobile in sliding slot 605 to push flapper 604, so that operation box 4 be sealed up, needs when there is special status
When will be fixed by flapper 604 immediately, the brake handle 7 of manual 4 side of pull-up operation box be subsequent to reset in time, Zhi Houqi
The dynamic work of oil cylinder motor 23 passes through the cooperation of oil inlet pipe 24 and oil return pipe 25, hydraulic cylinder 22 by connecting rod 20 push rack 17 to
Lower movement, so that workpiece between top board 18 and lower platen 16 is carried out punching press, in the process first mobile to bottom plate 14 of rack 17
In, sound insulation plate 1901 gradually injects between the gasket 1904 inside slot 1903, so that sound insulation plate 1901 is sealed to
Enclosed construction plays the purpose of sound insulation, and after completing punching press, direction operation takes out workpiece out of operation box 4, does not make in book
The content of detailed description belongs to the prior art well known to professional and technical personnel in the field.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art,
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of invention.
Claims (9)
1. a kind of hydraulic press reduces the device of noise, including casing (1), door-plate (2), operation box (4), sealing device (6), sound-absorbing
It is plate (11), support base (12), bottom plate (14), support column (15), rack (17), sound arrester (19), fixed frame (21), hydraulic
Cylinder (22) and oil cylinder motor (23), it is characterised in that: the side of the casing (1) is provided with door-plate (2), the door-plate (2)
It is internally provided with operation box (4), the inside of the casing (1) is equipped with support base (12), wherein
The side of the door-plate (2) is connected by hinge (3) with casing (1), and the operation box (4) is provided with door-plate (2)
Center is equipped with inductor (5) at the top of the operation box (4), and the sealing device (6) is arranged in the interior of door-plate (2)
The side in portion, the operation box (4) is provided with brake handle (7), is equipped with door handle (8) on the outside of the door-plate (2), described
The side of door handle (8) is equipped with lock (9), and the door-plate (2) surface of operation box (4) bottom is equipped with operation panel
(10), the abatvoix (11) is embedded in the inner wall of casing (1)；
The support base (12) is fixed on the internal bottom surface of casing (1) by installing bolt (13), far from installation bolt (13)
The support base (12) one end be provided with bottom plate (14), being internally connected with support column (15) for the bottom plate (14) is described
The surface of bottom plate (14) is provided with lower platen (16), and organic frame is connected on the outside of the support column (15) far from bottom plate (14)
(17), the bottom surface of the rack (17) is provided with top board (18), is provided with sound arrester (19) on the outside of the top board (18),
The top of the sound arrester (19) is mutually fixed with rack (17), and the rack (17) passes through connecting rod (20) and hydraulic cylinder (22)
It is connected, the hydraulic cylinder (22) is fixed on the inside of fixed frame (21), and the fixed frame (21) is connected to support column (15)
Top, the hydraulic cylinder (22) are connected by oil inlet pipe (24) with oil cylinder motor (23), and the oil cylinder motor (23) is mounted on
The casing (1) of support base (12) side is internal, and the oil cylinder motor (23) is connected by oil return pipe (25) with rack (17).
2. the device that a kind of hydraulic press according to claim 1 reduces noise, it is characterised in that: the operation box (4) is opened
It is located at the axial centerline of casing (1), and operation box (4) is the rectangular frame structure of perforation.
3. the device that a kind of hydraulic press according to claim 1 reduces noise, it is characterised in that: the sealing device (6)
Including baffle (601), hydraulic stem (602), connecting plate (603), flapper (604) and sliding slot (605), the baffle (601)
It is fixed on the inside of door-plate (2), is equipped with hydraulic stem (602) at the top of the baffle (601), the activity of the hydraulic stem (602)
End is connected by connecting plate (603) with flapper (604), and the two sides of the flapper (604) are arranged in sliding slot (605)
Inside.
4. the device that a kind of hydraulic press according to claim 3 reduces noise, it is characterised in that: the flapper
(604) by hydraulic stem (602) constitute lifting structure, and the area of flapper (604) be greater than operation box (4) inside
Opening area.
5. the device that a kind of hydraulic press according to claim 1 reduces noise, it is characterised in that: the abatvoix (11) is tight
The close inner wall for being embedded in casing (1), and be honeycomb structure inside abatvoix (11).
6. the device that a kind of hydraulic press according to claim 1 reduces noise, it is characterised in that: the support base (12)
It is bolted with being made up of inside casing (1) installation bolt (13).
7. the device that a kind of hydraulic press according to claim 1 reduces noise, it is characterised in that: the height of the bottom plate (14)
It spends and is consistent with the position of operation box (4).
8. the device that a kind of hydraulic press according to claim 1 reduces noise, it is characterised in that: the sound arrester (19)
Including sound insulation plate (1901), attaching nut (1902), slot (1903) and gasket (1904), the sound insulation plate (1901)
Top be connected by attaching nut (1902) with the bottom of rack (17), the opposite bottom of the sound insulation plate (1901)
It is offered slot (1903) inside plate (14), the inner wall of the slot (1903) is equipped with gasket (1904).
9. the device that a kind of hydraulic press according to claim 8 reduces noise, it is characterised in that: the sound insulation plate
(1901) it is connected with each other and is set as rectangular frame structure, and the thickness of sound insulation plate (1901) is less than the width of slot (1903), and
It and between sound insulation plate (1901) and slot (1903) is movable be connected together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811304312.6A CN109226482A (en) | 2018-11-03 | 2018-11-03 | A kind of hydraulic press reduces the device of noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811304312.6A CN109226482A (en) | 2018-11-03 | 2018-11-03 | A kind of hydraulic press reduces the device of noise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109226482A true CN109226482A (en) | 2019-01-18 |
Family
ID=65076726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811304312.6A Pending CN109226482A (en) | 2018-11-03 | 2018-11-03 | A kind of hydraulic press reduces the device of noise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109226482A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111014403A (en) * | 2019-12-12 | 2020-04-17 | 黄河水利职业技术学院 | Panel stamping equipment with noise reduction effect |
| CN114160729A (en) * | 2021-11-30 | 2022-03-11 | 南京麦克菲自动控制有限公司 | Servo pump control hydraulic machine with high-precision positioning |
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| DE10150188B4 (en) * | 2001-10-12 | 2004-11-04 | Schuler Pressen Gmbh & Co. Kg | Soundproofed forming press and multi-stage press with such a forming press |
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| CN205806898U (en) * | 2016-07-22 | 2016-12-14 | 泉州市宇烨机械科技有限公司 | A kind of hydraulic forming machine |
| CN206567909U (en) * | 2016-11-23 | 2017-10-20 | 重庆艾格润数控机床有限公司 | A kind of Digit Control Machine Tool automatically-controlled door |
| CN207013600U (en) * | 2017-05-17 | 2018-02-16 | 龙旗电子(惠州)有限公司 | High efficiency and heat radiation noise reducing type stamping machine is used in a kind of smart mobile phone production |
| CN107877185A (en) * | 2017-12-19 | 2018-04-06 | 刘杰 | A kind of milling machine damping noise reduction shell |
| CN207593385U (en) * | 2017-08-31 | 2018-07-10 | 济南光先数控机械有限公司 | A kind of numerical control angle steel, channel steel, band steel machining production line host shield |
| CN207942734U (en) * | 2017-12-30 | 2018-10-09 | 广东鑫顺康五金机械有限公司 | A kind of press machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10150188B4 (en) * | 2001-10-12 | 2004-11-04 | Schuler Pressen Gmbh & Co. Kg | Soundproofed forming press and multi-stage press with such a forming press |
| CN205702221U (en) * | 2016-04-18 | 2016-11-23 | 何凤英 | A kind of stamping machine blimp |
| CN205806898U (en) * | 2016-07-22 | 2016-12-14 | 泉州市宇烨机械科技有限公司 | A kind of hydraulic forming machine |
| CN206567909U (en) * | 2016-11-23 | 2017-10-20 | 重庆艾格润数控机床有限公司 | A kind of Digit Control Machine Tool automatically-controlled door |
| CN207013600U (en) * | 2017-05-17 | 2018-02-16 | 龙旗电子(惠州)有限公司 | High efficiency and heat radiation noise reducing type stamping machine is used in a kind of smart mobile phone production |
| CN207593385U (en) * | 2017-08-31 | 2018-07-10 | 济南光先数控机械有限公司 | A kind of numerical control angle steel, channel steel, band steel machining production line host shield |
| CN107877185A (en) * | 2017-12-19 | 2018-04-06 | 刘杰 | A kind of milling machine damping noise reduction shell |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111014403A (en) * | 2019-12-12 | 2020-04-17 | 黄河水利职业技术学院 | Panel stamping equipment with noise reduction effect |
| CN114160729A (en) * | 2021-11-30 | 2022-03-11 | 南京麦克菲自动控制有限公司 | Servo pump control hydraulic machine with high-precision positioning |
| CN114160729B (en) * | 2021-11-30 | 2023-10-20 | 南京麦克菲自动控制有限公司 | Servo pump control hydraulic machine with high-precision positioning function |
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Application publication date: 20190118 |
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