CN107856165B - It is a kind of for producing the energy-saving vibration molding machine of refractory material - Google Patents
It is a kind of for producing the energy-saving vibration molding machine of refractory material Download PDFInfo
- Publication number
- CN107856165B CN107856165B CN201711195261.3A CN201711195261A CN107856165B CN 107856165 B CN107856165 B CN 107856165B CN 201711195261 A CN201711195261 A CN 201711195261A CN 107856165 B CN107856165 B CN 107856165B
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- Prior art keywords
- seat
- vibrating
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- forging
- refractory material
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
- B28B1/087—Producing shaped prefabricated articles from the material by vibrating or jolting by means acting on the mould ; Fixation thereof to the mould
- B28B1/0873—Producing shaped prefabricated articles from the material by vibrating or jolting by means acting on the mould ; Fixation thereof to the mould the mould being placed on vibrating or jolting supports, e.g. moulding tables
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
- B28B3/022—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form combined with vibrating or jolting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
- B28B3/04—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form with one ram per mould
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Forging (AREA)
Abstract
The invention discloses a kind of for producing the energy-saving vibration molding machine of refractory material, including workbench, the upper surface quadrangle of the workbench is equipped with column vertically, upper cover is equipped between the top of the column, vibrating seat suspension can be made to avoid the loss for causing vibrating motor to generate vibration with other component contacts in the sky by fixed electromagnet and being equipped with for levitating electromagnet, reach energy-efficient effect, pass through fixed magnetic isolation plate, suspension magnetic isolation plate and being equipped with for flexible magnetism shielding hood can prevent fixed electromagnet and the magnetic force of levitating electromagnet generation from leaking and impacting to other components, by forging and pressing cylinder, forge and press seat, upper molding die, vibrating seat and lower molding die be equipped with can the raw material to refractory material carry out vibration forging and forming, vibrating seat can be made to generate vibrating effect by the setting of vibrating motor, the invention avoids vibrations Motor generates the loss of vibration, increases the utilization rate of vibrating motor, has reached energy-efficient effect.
Description
Technical field
The present invention relates to refractory material production equipment technology, specific field is a kind of for producing the section of refractory material
It can vibrating forming machine.
Background technique
Refractoriness is not less than 1580 DEG C of a kind of inorganic non-metallic material.Refractoriness refers to that refractory material bullet sample exists
In the case of not having loading, high temperature action is resisted without softening molten Celsius temperature.But it only cannot be complete to define with refractoriness
Face describes refractory material, and 1580 DEG C are not absolute.Now being defined as all physicochemical properties allows it under high temperature environment
The material used is known as refractory material.Refractory material is widely used in metallurgy, chemical industry, petroleum, machine-building, silicate, power etc.
Industrial circle, dosage is maximum in metallurgical industry, accounts for the 50%~60% of total output.Vibrating forming machine is using under shock platforms
Eccentric vibrating in the rotary shaft of suspension, when equipment work, under the action of eccentric vibrating, makes platform as vibration source
Vibration is generated, so that the material in platform upper mold be made to vibrate, frictional force mutual inside material is effectively reduced,
Under the synergy of top weight, material is rearranged, and is got a desired effect.And existing vibrating forming machine usually makes to shake
There is direct connection relational between dynamic platform and other components, in this way when vibrating motor generates vibration, partial vibration can be conducted to it
On its component, the generation of energy waste phenomenon is caused, is unfavorable for the development of production.
Summary of the invention
The purpose of the present invention is to provide a kind of for producing the energy-saving vibration molding machine of refractory material, to solve above-mentioned back
The problem of being proposed in scape technology.
To achieve the above object, the invention provides the following technical scheme: it is a kind of for producing the energy-saving vibration of refractory material
Molding machine, including workbench, the upper surface quadrangle of the workbench are equipped with column vertically, are equipped between the top of the column
Upper cover is equipped with protective plate between the adjacent column, is equipped with groove, the bottom of the groove in the middle part of the upper surface of the workbench
Portion is equipped with fixed magnetic isolation plate, and the upper surface of the fixed magnetic isolation plate is uniformly provided with fixed electromagnet, and fixed electromagnet can be powered production
Magnetisation power, the internal activity of the groove are equipped with suspension seat, and the lower end surface of the suspension seat is equipped with suspension magnetic isolation plate, described outstanding
The lower end surface of floating magnetic isolation plate is uniformly provided with levitating electromagnet, is equipped between the fixed magnetic isolation plate and the side wall of suspension magnetic isolation plate soft
Property magnetism shielding hood, the upper surface edge of the suspension seat are uniformly provided with strut, the top of the strut with the lower end surface of vibrating seat
It is fixedly connected, vibrating motor is equipped in the middle part of the lower end surface of the vibrating seat, is equipped with lower molding in the middle part of the upper surface of the vibrating seat
Mold, the upper surface edge of the vibrating seat are equipped with protrusion circle, are fixedly installed with forging and stamping vertically in the middle part of the lower end surface of the upper cover
The fixing end of cylinder, the telescopic end of the forging and stamping cylinder are equipped with forging and stamping seat, are equipped with upper molding die in the middle part of the lower end surface of the forging and stamping seat,
The front end face of the workbench is equipped with control panel, and the inside of the workbench is equipped with controller, and the controller passes through electricity
Conductor is connect with control panel, fixed electromagnet, levitating electromagnet and forging and stamping cylinder respectively.
Preferably, the strut includes upper fixed part and lower fixed part, and the lower end surface of fixed portion and vibrating seat is solid
Fixed connection, the lower fixed part are fixedly connected with the upper surface of suspension seat, and the lower end surface in fixed portion is equipped with telescopic chute, institute
The diameter ratio of the diameter and lower fixed part of stating telescopic chute is greater than 1, and the ratio between the telescopic chute and the height of lower fixed part are greater than 1,
The lower fixed part protrudes into the inside of telescopic chute, and the slot bottom of the telescopic chute is fixedly connected with one end of spring, the spring
The other end is fixedly connected with the upper surface of lower fixed part.
Preferably, the protective plate is made of transparent toughened glass.
Preferably, the switching door is equipped with electronic lock.
Preferably, the fixed electromagnet is identical as the magnetic pole that levitating electromagnet corresponding end generates.
Preferably, the forging and stamping cylinder is hydraulically extensible cylinder, and the hydraulically extensible cylinder is connect with extraneous hydraulic system.
Preferably, the surface of the spring is coated with erosion shield.
Compared with prior art, the beneficial effects of the present invention are: the cooperation by fixed electromagnet and levitating electromagnet is set
Setting, which can make vibrating seat suspend, avoids causing in the sky vibrating motor to generate the loss vibrated with other component contacts, reaches energy-efficient
Effect can prevent fixed electromagnet and the electricity that suspends by being equipped with for fixed magnetic isolation plate, suspension magnetic isolation plate and flexible magnetism shielding hood
The magnetic force that magnet generates leaks and impacts to other components, by forging and stamping cylinder, forging and stamping seat, upper molding die, vibrating seat and under
Molding die be equipped with can the raw material to refractory material carry out vibration forging and forming, can be made by the setting of vibrating motor
Vibrating seat generates vibrating effect, and the invention avoids the losses that vibrating motor generates vibration, increases the utilization rate of vibrating motor,
Energy-efficient effect is reached.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is schematic cross-sectional view of the invention；
Fig. 3 is the schematic cross-sectional view of strut in the present invention.
In figure: 1- workbench, 2- column, 3- upper cover, 4- protective plate, 5- switching door, 6- groove, 7- fixed magnetic isolation plate, 8-
Fixed electromagnet, 9- suspension seat, 10- suspension magnetic isolation plate, 11- levitating electromagnet, 12- flexibility magnetism shielding hood, 13- strut, on 131-
Molding die under fixed part, 133- telescopic chute, 134- spring, 14- vibrating seat, 15- vibrating motor, 16- under fixed part, 132-,
17- protrusion circle, 18- forging and stamping cylinder, 19- forge and press seat, the upper molding die of 20-, 21- control panel.
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.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of energy-saving vibration molding for producing refractory material
Machine, including workbench 1, the upper surface quadrangle of the workbench are equipped with column 2 vertically, and column is fixedly mounted on the four of workbench
Angle is equipped with upper cover 3 between the top of the column, is fixedly connected between upper cover and column, is equipped between the adjacent column
Being equipped with for protective plate 4, protective plate and upper cover makes the top of workbench form closed working space, the protection of front side
Plate is equipped with switching door 5, is put into raw material by opening switching door, is equipped with groove 6, groove in the middle part of the upper surface of the workbench
It is integrally formed on the table, the bottom of the groove is equipped with fixed magnetic isolation plate 7, and fixed magnetic isolation plate can completely cut off being transmitted to for magnetic force
Bottom portion of groove, the upper surface of the fixed magnetic isolation plate are uniformly provided with fixed electromagnet 8, and fixed electromagnet can be powered and generate magnetic force,
The internal activity of the groove is equipped with suspension seat 9, suspension seat can confronting grooves carry out vibration activity, the lower end of the suspension seat
Face is equipped with suspension magnetic isolation plate 10, and suspension magnetic isolation plate can completely cut off magnetic force and be transmitted on suspension seat, the lower end surface of the suspension magnetic isolation plate
It is uniformly provided with levitating electromagnet 11, levitating electromagnet, which can be powered, generates magnetic force, and fixed electromagnet and levitating electromagnet corresponding end produce
Raw magnetism is identical, generates repulsion between identical magnetism, makes levitating electromagnet that can suspend, the fixed magnetic isolation plate and suspend every
Flexible magnetism shielding hood 12, the magnetic that flexible magnetism shielding hood can prevent fixed electromagnet and levitating electromagnet from generating are equipped between the side wall of magnetic sheet
Power, which leaks, to be transmitted on the side wall of groove, and the enclosure space that magnetic force is formed between fixed electromagnet and levitating electromagnet is made, described
The upper surface edge of suspension seat is uniformly provided with strut 13, and the top of the strut is fixedly connected with the lower end surface of vibrating seat 14,
Strut will connect between suspension seat and vibrating seat, and vibrating motor 15, vibration electricity are equipped in the middle part of the lower end surface of the vibrating seat
Machine can make vibrating seat generate vibrating effect, be equipped with lower molding die 16 in the middle part of the upper surface of the vibrating seat, in lower molding die
The raw material of storage production refractory material, the upper surface edge of the vibrating seat are equipped with protrusion circle 17, and protrusion circle can stop former material
The spluttering of material, the lower end surface middle part of the upper cover are fixedly installed with the fixing end of forging and stamping cylinder 18 vertically, and the forging and stamping cylinder stretches
End is equipped with forging and stamping seat 19, and forging and stamping cylinder can drive forging and stamping seat to move in vertical direction, is equipped in the middle part of the lower end surface of the forging and stamping seat upper
Molding die 20, when forging and pressing seat and upper molding die being driven to move downward in conjunction with lower molding die can to raw material therein into
Row forging and forming, the front end face of the workbench are equipped with control panel 21, and the inside of the workbench is equipped with controller, described
Controller is connect with control panel, fixed electromagnet, levitating electromagnet and forging and stamping cylinder respectively by electric conductor.
Specifically, the strut includes upper fixed part 131 and lower fixed part 132, fixed portion and vibrating seat
Lower end surface is fixedly connected, and the lower fixed part is fixedly connected with the upper surface of suspension seat, and the lower end surface in fixed portion is equipped with
Telescopic chute 133, telescopic chute are integrally formed the diameter of the diameter of the telescopic chute and lower fixed part on the lower end surface of upper fixed part
The ratio between be greater than 1, it is ensured that lower fixed part can protrude into wherein, and the ratio between height of the telescopic chute and lower fixed part is greater than 1, it is ensured that lower solid
Determine that slot bottom will not be touched when portion protrudes into telescopic chute, the lower fixed part protrudes into the inside of telescopic chute, the slot bottom of the telescopic chute
It is fixedly connected with one end of spring 134, the other end of the spring is fixedly connected with the upper surface of lower fixed part, the elastic force of spring
The vibration of vibrating seat can be buffered.
Specifically, the protective plate is made of transparent toughened glass, by transparent toughened glass observable protective plate
The working condition of portion's component.
Specifically, the switching door is equipped with electronic lock, electronic lock increases the security performance of switching door.
Specifically, the fixed electromagnet is identical as the magnetic pole that levitating electromagnet corresponding end generates, identical magnetic pole is produced
Raw repulsion, makes levitating electromagnet that can suspend in the sky.
Specifically, the forging and stamping cylinder is hydraulically extensible cylinder, the hydraulically extensible cylinder is connect with extraneous hydraulic system, hydraulic
Cylinder is widely used in forging and pressing in process, easy to control.
Specifically, the surface of the spring is coated with erosion shield, erosion shield can avoid spring surface by corruption
Erosion, increases its service life.
Working principle: controlling fixed electromagnet by control panel in the present invention and levitating electromagnet generate magnetic force, identical
The repulsion of magnetic pole makes levitating electromagnet that suspension seat to be suspended in the inside of groove, does not contact with groove, avoids in contact process
The amplitude that vibrating motor generates is eliminated in conduction, is increased the utilization rate that vibrating motor generates vibration, is reached energy-efficient purpose, wherein preventing
Backplate and being equipped with for upper cover make the top of workbench form closed working space, are put into former material by opening switching door
Material, fixed electromagnet, which can be powered, generates magnetic force, suspension seat can confronting grooves carry out vibration activity, suspension magnetic isolation plate can completely cut off magnetic force
It is transmitted on suspension seat, levitating electromagnet, which can be powered, generates magnetic force, the magnetic of fixed electromagnet and the generation of levitating electromagnet corresponding end
Property it is identical, it is identical magnetism between generate repulsion, make levitating electromagnet that can suspend, flexible magnetism shielding hood can prevent fixed electromagnet with
The magnetic force that levitating electromagnet generates, which leaks, to be transmitted on the side wall of groove, makes to form magnetic between fixed electromagnet and levitating electromagnet
The enclosure space of power, strut will connect between suspension seat and vibrating seat, and vibrating motor can make vibrating seat generate vibrating effect,
The raw material of storage production refractory material in lower molding die, protrusion circle can stop the spluttering of raw material, and forging and stamping cylinder can drive forging
Wedge is moved in vertical direction, drives upper molding die can be to therein when moving downward in conjunction with lower molding die when forging and pressing seat
Raw material carry out forging and forming, and lower fixed part protrudes into the inside of telescopic chute in strut, and the elastic force of spring can be to the vibration of vibrating seat
It is dynamic to be buffered.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of for producing the energy-saving vibration molding machine of refractory material, including workbench (1), it is characterised in that: the work
The upper surface quadrangle of platform (1) is equipped with column (2) vertically, is equipped with upper cover (3) between the top of the column (2), adjacent institute
It states and is equipped with protective plate (4) between column (2), the protective plate (4) of front side is equipped with switching door (5), the workbench (1)
Groove (6) are equipped in the middle part of upper surface, the bottom of the groove (6) is equipped with fixed magnetic isolation plate (7), the fixed magnetic isolation plate (7)
Upper surface is uniformly provided with fixed electromagnet (8), and the internal activity of the groove (6) is equipped with suspension seat (9), the suspension seat
(9) lower end surface is equipped with suspension magnetic isolation plate (10), and the lower end surface of the suspension magnetic isolation plate (10) is uniformly provided with levitating electromagnet
(11), flexible magnetism shielding hood (12), the suspension seat are equipped between the fixed magnetic isolation plate (7) and the side wall of suspension magnetic isolation plate (10)
(9) upper surface edge is uniformly provided with strut (13), and lower end surface of the top of the strut (13) with vibrating seat (14) is fixed
The lower end surface middle part of connection, the vibrating seat (14) is equipped with vibrating motor (15), sets in the middle part of the upper surface of the vibrating seat (14)
Have lower molding die (16), the upper surface edge of the vibrating seat (14) is equipped with protrusion circle (17), the lower end surface of the upper cover (3)
Middle part is fixedly installed with the fixing end of forging and stamping cylinder (18) vertically, and the telescopic end of forging and stamping cylinder (18) is equipped with forging and stamping seat (19), institute
It states and is equipped with upper molding die (20) in the middle part of the lower end surface of forging and stamping seat (19), the front end face of the workbench (1) is equipped with control plane
Plate (21), the inside of the workbench (1) are equipped with controller, the controller by electric conductor respectively with control panel (21),
Fixed electromagnet (8), levitating electromagnet (11) and forging and stamping cylinder (18) connection.
2. according to claim 1 a kind of for producing the energy-saving vibration molding machine of refractory material, it is characterised in that: described
Strut (13) includes upper fixed part (131) and lower fixed part (132), the lower end of fixed portion (131) and vibrating seat (14)
Face is fixedly connected, and the lower fixed part (132) is fixedly connected with the upper surface of suspension seat (9), under fixed portion (131)
End face is equipped with telescopic chute (133), and the diameter ratio of the diameter of the telescopic chute (133) and lower fixed part (132) is described greater than 1
The ratio between height of upper fixed part (131) and lower fixed part (132) is greater than 1, and the lower fixed part (132) protrudes into telescopic chute (133)
Inside, the slot bottom of the telescopic chute (133) is fixedly connected with one end of spring (134), the other end of the spring (134) with
The upper surface of lower fixed part (132) is fixedly connected.
3. according to claim 1 a kind of for producing the energy-saving vibration molding machine of refractory material, it is characterised in that: described
Protective plate (4) is made of transparent toughened glass.
4. according to claim 1 a kind of for producing the energy-saving vibration molding machine of refractory material, it is characterised in that: described
Switching door (5) is equipped with electronic lock.
5. according to claim 1 a kind of for producing the energy-saving vibration molding machine of refractory material, it is characterised in that: described
Fixed electromagnet (8) is identical as the magnetic pole that levitating electromagnet (11) corresponding end generates.
6. according to claim 1 a kind of for producing the energy-saving vibration molding machine of refractory material, it is characterised in that: described
Forging and pressing cylinder (18) is hydraulically extensible cylinder, and the hydraulically extensible cylinder is connect with extraneous hydraulic system.
7. according to claim 2 a kind of for producing the energy-saving vibration molding machine of refractory material, it is characterised in that: described
The surface of spring (134) is coated with erosion shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711195261.3A CN107856165B (en) | 2017-11-24 | 2017-11-24 | It is a kind of for producing the energy-saving vibration molding machine of refractory material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711195261.3A CN107856165B (en) | 2017-11-24 | 2017-11-24 | It is a kind of for producing the energy-saving vibration molding machine of refractory material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107856165A CN107856165A (en) | 2018-03-30 |
| CN107856165B true CN107856165B (en) | 2019-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711195261.3A Active CN107856165B (en) | 2017-11-24 | 2017-11-24 | It is a kind of for producing the energy-saving vibration molding machine of refractory material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113021566B (en) * | 2021-04-20 | 2022-10-04 | 云南永达电力实业有限公司 | Forming processing method for building heat-insulating energy-saving cement product |
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|---|---|---|---|---|
| CN87206691U (en) * | 1987-04-24 | 1988-01-20 | 倪世和 | Movable small-sized hollow brick shaper |
| JPH0488604A (en) * | 1990-08-01 | 1992-03-23 | Kawasaki Steel Corp | Method of wet-pressing oxide permanent magnet material in magnetic field and its molding device |
| JPH0510388A (en) * | 1991-07-03 | 1993-01-19 | Showa Electric Wire & Cable Co Ltd | Vibration insulating device |
| CN2769013Y (en) * | 2005-02-01 | 2006-04-05 | 周文鹏 | Double-floating die for pressin ceramic tile |
| CN101037009A (en) * | 2007-04-23 | 2007-09-19 | 河北农业大学 | Environment-friendly energy-saving full-automatic small-sized block forming machine |
| CN102806121A (en) * | 2012-03-05 | 2012-12-05 | 王娟 | Ball grinding machine |
-
2017
- 2017-11-24 CN CN201711195261.3A patent/CN107856165B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87206691U (en) * | 1987-04-24 | 1988-01-20 | 倪世和 | Movable small-sized hollow brick shaper |
| JPH0488604A (en) * | 1990-08-01 | 1992-03-23 | Kawasaki Steel Corp | Method of wet-pressing oxide permanent magnet material in magnetic field and its molding device |
| JPH0510388A (en) * | 1991-07-03 | 1993-01-19 | Showa Electric Wire & Cable Co Ltd | Vibration insulating device |
| CN2769013Y (en) * | 2005-02-01 | 2006-04-05 | 周文鹏 | Double-floating die for pressin ceramic tile |
| CN101037009A (en) * | 2007-04-23 | 2007-09-19 | 河北农业大学 | Environment-friendly energy-saving full-automatic small-sized block forming machine |
| CN102806121A (en) * | 2012-03-05 | 2012-12-05 | 王娟 | Ball grinding machine |
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|---|---|
| CN107856165A (en) | 2018-03-30 |
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Effective date of registration: 20190916 Address after: 222000 No. 38 Guangming Road, South Kirin Avenue, Donghai High-tech Zone, Lianyungang City, Jiangsu Province Applicant after: Donghai Tongcheng Quartz Material Technology Co., Ltd. Address before: 313100 Changxing County peace Town, Huzhou, Zhejiang Province, Shabu Village Applicant before: Zhejiang Yan new materials Co. Ltd. |
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