CN201808235U - Constant density control press - Google Patents
Constant density control press Download PDFInfo
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- CN201808235U CN201808235U CN2010202883001U CN201020288300U CN201808235U CN 201808235 U CN201808235 U CN 201808235U CN 2010202883001 U CN2010202883001 U CN 2010202883001U CN 201020288300 U CN201020288300 U CN 201020288300U CN 201808235 U CN201808235 U CN 201808235U
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Abstract
The utility model provides a constant density control press which comprises a molding process route, a transmission mechanism, a feeding device and a pressure-molding mechanism, wherein a feeding position, a pressure-molding position and a discharge position are arranged in sequence on the molding process route; a molding die for blank molding is arranged on the transmission mechanism; the transmission mechanism is used for driving the blank molding die to move along the molding process route; the feeding device is used for feeding formulated materials to the molding die; and the pressure-molding mechanism is arranged in the pressure-molding position and used for performing pressure molding of the formulated materials in the molding die. The constant density control press further comprises a constant pressure hydraulic system and a controller, wherein the constant pressure hydraulic system provides a main molding pressure to the pressure-molding mechanism and detects the main molding pressure; and the controller that receives the main molding pressure information from the constant pressure hydraulic system, compares the value of main molding pressure with a preset value of main molding pressure, and adjusts the main molding pressure provided by the constant pressure hydraulic system at a constant value according to the comparison result.
Description
Technical field
The utility model relates to a kind of powder former, is specifically related to a kind of isodensity control press.
Background technology
Rotary press is a kind ofly by continuous rotation various particulate materials to be suppressed pillared machine, and it is industrial departments such as powder metallurgy, handles the basic equipment that various feed particulate material are pressed into circular columns or Special-Shaped Column profiled member.Along with people are more and more higher to the requirement of quantity of sintered parts, when enhancing productivity by improving production equipment and production technology, the quality that improves profiled member more and more has been subjected to people's attention.There is comparatively strict requirement in some fields to the density of profiled member, and in order to reach the effect of defined, the error requirements of profiled member density and set definite value is very little; As the special dimension of powder metallurgy, in order to obtain identical effect, its size of part that adopts raw material to make need guarantee identical with density as much as possible.
Rotary press of the prior art all adopt little loading, lever master molded, main discharge at once after molded press power, rigidity pin cut scrape part and the part that freely falls, solid monoblock type on structure such as lower plunger.Chinese patent CN201002346Y discloses a kind of high-speed rotary press, comprising: turntable, can rotate around vertical axis Z; Turntable comprises middle punch plate and is separately positioned on the upper and lower punch plate of middle punch plate upper and lower; Middle punch plate is provided with along the equally distributed middle mould of circumference; Transmission mechanism is used to drive turntable and rotates around vertical axis Z; Feeding device is used for filling powder or feed particulate material in the mould die cavity on middle punch plate; Press forming mechanism comprises remaining on can reciprocatingly slide relatively up and down on the upper and lower punch plate many to upper and lower jumper bar respectively; Be separately positioned on the relative end drift of described upper and lower jumper bar; And when rotating, described turntable does relatively reciprocating motion in vertical direction in order to drive described upper and lower jumper bar respectively.Though this revolving press can obtain production efficiency preferably, its compression moulding mechanism is pure machine driving, and the degree of depth that drift enters into mould at every turn is consistent, thereby guarantees compression forming part volume unanimity; Yet in the process of rotation compacting at a high speed, under the inconsistent situation of loading, this pure mechanical drive mode can't guarantee the consistent in density of final molding part.
In addition, Chinese patent literature CN1666735 discloses a kind of control method and this press of high-speed rotary press, comprises a precommpression station and a main compressor station; Described precommpression station comprises a weight sensor that is used for measuring first parameter value of the weight of injecting the interior material of a mould.Main compressor station comprises that one is used to measure the hardness transducer of representative by the value of one second parameter of the hardness of the resulting tablet of compression in the described main compressor station, described main compressor station adopts baric systerm that the constant molded pressure of master is provided, and guarantees the tablet consistent in density of different batches compression forming.Yet, from hydromechanical angle, the pressure transmitting medium in the baric systerm, i.e. air, be compressible medium, maybe can be considered to elastic fluid, therefore, in compression process, piston in the cylinder can be because rocking appears in the compressible reason of air, thereby influence the motion of connected jumper bar and drift, and then cause the final density of moulding tablet inconsistent, it is particularly evident that this situation shows in the high speed rotary press; In addition, because baric systerm is when providing pressure, the instability of piston, jumper bar and drift motion, response speed is slower in the time of can causing checkout gear that the drift position is detected, and can influence control accuracy and control rate in the production process.
The utility model content
For this reason, the purpose of this utility model is to propose a kind of uniformity that can guarantee compression forming part density, improves the checkout gear response speed, and then improves in the production process control accuracy and control press with the isodensity of control rate.
Therefore, isodensity control press of the present utility model comprises: the shaping work path, and order has reinforced station, compression moulding station and goes out the part station on the described shaping work path; Transmission mechanism, described transmission mechanism is provided with the shaping mould of blank forming, and described transmission mechanism is used to make described shaping mould to move along described shaping work path; Feeding device, described feeding device are used for adding the prescription material toward described shaping mould; Compression moulding mechanism is located at described compression moulding station place, is used for the described prescription material of shaping mould is pressed; Also comprise the constant pressure hydraulic system, provide main molded pressure, and the molded pressure of the master who is provided is detected to described compression moulding mechanism; Controller, reception is from the molded pressure information of described master of described constant pressure hydraulic system, and it compares with main molded pressure set points will to lead molded force value, regulates the molded constant pressure of master that described constant pressure hydraulic system is provided according to comparative result.
Above-mentioned isodensity control press also comprises the loading checkout gear, is located at described shaping mould place, is used to be detected as the inventory of filling a prescription described in the pattern; Described controller is controlled feeding device according to the detected described prescription inventory information of described loading checkout gear again and add described prescription material in described shaping mould.
Above-mentioned isodensity control press also comprises offset detector, and described offset detector comprises is located at the side-play amount that is used for detecting described constant pressure hydraulic system oil cylinder piston on the described constant pressure hydraulic system; Described controller is regulated described feeding device according to described side-play amount again and add the prescription material in described shaping mould.
Above-mentioned isodensity control press, described compression moulding station has the pre-molding station successively along described shaping work path, main molded station; Described compression moulding mechanism comprises the pre-molding device of being located at described pre-molding station place and the molded device of master of being located at the molded station of described master; Described transmission mechanism comprise have upper punch plate, the turntable of middle punch plate and lower punch plate and drive the motor of described turntable around vertical axis Z rotation; Described shaping mould is the middle mould of being located on the described middle punch plate; Also has quantitative station between described reinforced station on the described shaping work path and described pre-molding station; Described decompressor comprises that the upper plunger of being located at described upper punch plate place and the lower plunger of being located at the lower punch plate place, described upper plunger are used for punching press one end and are provided with upper punch and described lower plunger and are used for punching press one end and are provided with low punch; Described compression moulding mechanism also comprises and is provided with upper rail dish and lower guideway dish, does the tracks that does relatively reciprocating motion up and down for described upper plunger and described lower plunger provide,
Above-mentioned isodensity control press, described loading checkout gear are to be used to detect described shaping mould is filled the degree of depth at the material of described reinforced station filling depth transducer; Described upper punch and described low punch place are provided with respectively and are used to detect that two drifts go into the Molded Depth degree goes into Molded Depth degree sensor; Described controller also according to described testing result of going into Molded Depth degree sensor regulate described upper punch and described low punch to go into the Molded Depth degree constant.
Above-mentioned isodensity control press also has the pressurize shaping station on the described compression moulding station, is positioned at the molded station of described master and describedly goes out between the part station; Also comprise the pressure-keeping mechanism of being located at described pressurize shaping station place, described pressure-keeping mechanism comprises that last pressurize cam, the packing pressure of being located at the upper rail dish are regulated pair, the pressurize phase angle is regulated secondary, be located at the following pressurize cam of lower guideway dish, with the spring of being located in the upper plunger, synergy, guaranteeing that profiled member progressively discharges internal stress going out mold process, thereby prevent the depanning defective.
Above-mentioned isodensity control press also comprises that part put in order sequence detection apparatus, describedly goes out that the whole sequence detection apparatus of part comprises the transmission thumb wheel, goes out the part thumb wheel, goes out the part plate washer, the status monitoring sensor sorts; Described transmission thumb wheel and the described tooth pitch that goes out the part thumb wheel equate with the spacing of described shaping mould, goes out the described transmission thumb wheel of part thumb wheel shaft coupling by the lower plunger driven in synchronism with described; When described profiled member arrive with turntable rotation described when going out the part station by on evade mould die cavity in described, by going out the guiding function of stirring and go out the part baffle plate of the part thumb wheel gear teeth, described profiled member is taken out from middle punch plate one by one with plumbness, enter whole preface groove behind the described ordering status monitoring sensor check taking-up state and make single-row arranging order successively, realize piling up in order so that outwards carry.
Above-mentioned isodensity control press, described upper plunger and lower plunger are split drift combining structure, described upper plunger has the split upper punch, the drift nut that described upper punch connects, the core bar body with the core bar body nut that described core bar body is connected, also comprises the spring of being located in the upper plunger; Described lower plunger has the split low punch.The drift of described minute body structure connects with the drift nut.
The utlity model has following advantage:
The utility model adopts offset detector to detect the offset deviation of piston in the constant pressure hydraulic system, the deviation of two batches of profiled member height before and after can detecting in compression process, send described deviation to controller, can be used to regulate the feeding quantity of feeding device shaping mould; Adopt the generator of constant pressure hydraulic system as constant pressure, can guarantee the uniformity of compression forming part density well, improve the response speed of offset detector, and then improve this isodensity control press control accuracy and control rate in process of production the monitoring of piston side-play amount.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, according to specific embodiment of the utility model also in conjunction with the accompanying drawings, the utility model is described in further detail below.
Fig. 1 is the structural representation of rotary press of the present utility model;
Fig. 2 is turntable, punch die and the partial sectional view thereof among Fig. 1;
Fig. 3 is the structural representation of the upper rail dish among Fig. 1;
Fig. 4 is the structural representation of the prepressing device among Fig. 1;
Fig. 5 is the constant pressure hydraulic system principle figure of the isodensity device among Fig. 1;
Fig. 6 is the structural representation of the pressure-keeping mechanism among Fig. 1;
Fig. 7 is the structural representation that goes out the whole sequence detection apparatus of part among Fig. 1;
Fig. 8 goes out the A of the whole sequence detection apparatus of part to view.
Among the figure, 1-turntable, 2-upper punch plate, 3-middle punch plate, 4-lower punch plate; The 5-upper plunger, 51-upper punch, 52-drift nut, 53-core bar body nut, 54-core bar body, 55-spring; The 6-lower plunger, the 61-low punch; Mould among the 7-; 8-upper rail dish; 9-lower guideway dish; The 10-support; The 11-offset detector; The 12-transmission mechanism; The 13-feeding device; The 14-prepressing device, 141-precompressed cam, 142-cam Connection Block, 143-regulating spring, 144-adjustment seat; 15-isodensity device, compensator under main pinch roller seat, the 1512-under main pinch roller, the 1522-under the last compensator of 1511-, the last main pinch roller seat of 1521-, the last main pinch roller of 1531-, the 1532-; 16-constant pressure hydraulic system, accumulator under proportioning valve, 1641-upward pressure transmitter, 1642-downforce transmitter, the last accumulator of 1651-, the 1652-under 161-oil pump, 162-safety valve, the last proportioning valve of 1631-, the 1632-; The 17-pressure-keeping mechanism, the last pressurize cam of 171-, 172-packing pressure are regulated pair, 173-pressurize phase angle is regulated pressurize cam under pair, the 174-; The 18-slice is put in order the preface device, and 181-transmission thumb wheel, 182-go out the part thumb wheel, 183-goes out part plate washer, 184-ordering status monitoring sensor, the whole preface groove of 185-; The 19-profiled member; The 20-station that feeds in raw material; The quantitative station of 21-; 22-pre-molding station; The molded station of 23-master; 24-pressurize station; 25-goes out the part station.
The specific embodiment
Present embodiment is single discharging type, and as depicted in figs. 1 and 2, the isodensity rotary press of present embodiment comprises:
Compression moulding mechanism comprises and remains on can reciprocatingly slide relatively up and down on upper punch plate 2, the lower punch plate 4 many to upper plunger 5, lower plunger 6 respectively; Be separately positioned on a pair of drift of described upper plunger 5, lower plunger 6 relative ends.
As Fig. 1, described rotary press also has offset detector 11, as the controller in the present embodiment, be used to regulate fill the degree of depth, the offset compensation of compensator and last low punch goes into the Molded Depth degree up and down; Support 10, be used to support the member of turntable 1, lower guideway dish 9, feeding device 13 bottoms, isodensity device 15 and constant pressure Hydraulic Power Transmission System 16 and be connected turntable 1 and transmission mechanism 12, with simplified structure with improve rigidity, improve the stability of complete machine operation.
Among Fig. 1, described isodensity device 15 is located at main molded station 23 places, is used to transmit the molded pressure of master that described constant pressure hydraulic system 16 offers described compression moulding mechanism; The molded force value of described master that provides based on described constant pressure hydraulic system 16 compares with main molded pressure set points, and it is constant to regulate the molded force value of master that described constant pressure hydraulic system 16 provided by controller.
Among Fig. 1, described offset detector comprises that is filled a depth transducer, and upper and lower each offset compensation sensor and upper and lower each drift are gone into Molded Depth degree sensor.Described filling depth transducer is used for monitoring mould and fills the degree of depth at the material of described reinforced station; Described upper and lower offset compensation sensor is used for monitoring the offset compensation amount of described isodensity device compensator piston; Described upper and lower drift is gone into Molded Depth degree sensor and is used for monitoring upper and lower drift and enters the position of the degree of depth of described mould at the molded station of described master place.Each displacement transducer all is according to predefined modulus, describedly go up that low punch is gone into Molded Depth degree difference and profiled member height setting value compares based on what offset detector was measured, it is constant that regulation and control by controller obtain the molded force value of master that described constant pressure hydraulic system provided, make the offset compensation adaptation profiled member height of described compensator the deviation that deviation produces occur, thereby guarantee the profiled member consistent in density because of filling the degree of depth.
As shown in Figure 2, upper plunger 5, lower plunger 6 all are split drift combining structure, described upper plunger 5 has split upper punch 51 and drift nut 52, core bar body nut 53, core bar body 54, spring 55, wherein said spring is located in the upper plunger, be used for and pressure-keeping mechanism 17 actings in conjunction, progressively discharge the main internal stress of pressing, avoid profiled member to go out mold process generation defective; Described lower plunger has the split low punch.The drift of described minute body structure connects with the drift nut, so that drift wearing and tearing or when damaging can change separately.
As shown in Figure 3, a pair of upper plunger 5, lower plunger 6 revolve the shaping work path of turning around and being finished with turntable 1, and the job order on the described shaping work path has reinforced station, quantitative station, pre-molding station, main molded station, pressurize station and goes out the part station;
As shown in Figure 4, described prepressing device 14 is located at pre-molding station 22 places, have precompressed cam 141, cam Connection Block 142, regulating spring 143, adjustment seat 144, can with upper rail dish 8, lower guideway dish 9 coordinative roles, so that the low punch 61 of being located at the upper punch 51 of upper plunger 5 and being located at lower plunger 6 will be filled in powder or the air between the feed particulate material in mould 7 die cavitys discharge, tentatively be pressed in advance and be fit to main molded moulded blank.Wherein, guarantee the exhaust effect of different size and different formulations material pre-molding blank by adjusting the degree of tightness of regulating spring 143.
As shown in Figure 5, described constant pressure hydraulic system 16 comprises the oil pump 161 that is used to provide system dynamic oil, be used to limit the safety valve 162 of system's working connection highest pressure, be used to keep the proportioning valve 1631,1632 of the nominal operation invariablenes pressure of liquid of compensator up and down, be used to absorb the accumulator 1651,1652 of surge, and the pressure transmitter 1641,1642 that is used to monitor compensator oil pressure pressure.When the loading generation deviation of material, accumulator 1651,1652 and proportioning valve 1631,1632 are united adjusting, to keep the oil pressure invariablenes pressure of liquid of compensator 1511,1512, the pressure that maintenance compression moulding mechanism imposes on described shaping mould is constant, for pressed density equates, the profiled member of high conformity provides basic guarantee.
As shown in Figure 6, described pressure-keeping mechanism 17 comprises that last pressurize cam 171, the packing pressure of being located at upper rail dish 8 are regulated pair 172, the pressurize phase angle regulates secondary 173, be located at the following pressurize cam 174 of lower guideway dish 9, with the spring of being located in the upper plunger 55, synergy, to guarantee that described profiled member 19 progressively discharges internal stress going out mold process, prevents the depanning defective.Wherein packing pressure is regulated different material prescription and the different cross section size that pair 172 is used to adapt to profiled member, and the pressurize phase angle is regulated the differing heights that pair 173 is used to adapt to profiled member.
As shown in Figure 7 and Figure 8, describedly go out the whole sequence detection apparatus 18 of part and have transmission thumb wheel 181, go out part thumb wheel 182, go out part plate washer 183, ordering status monitoring sensor 184 and whole preface groove 185.Described transmission thumb wheel 181, the tooth pitch that goes out part thumb wheel 182 equate with the spacing of described shaping mould 7, with the transmission thumb wheel 181 that goes out part thumb wheel 182 shaft couplings by lower plunger 6 driven in synchronism.When described profiled member 19 arrive with turntable 1 rotation described when going out part station 25 by on evade mould die cavity in described, by going out the guiding function of stirring and go out part baffle plate 183 of part thumb wheel 182 gear teeth, described profiled member 19 is taken out from middle punch plate 3 one by one with plumbness, enter whole preface groove 185 behind the check affirmation maintenance taking-up state and make single-row arranging order successively, so that outwards carry realization to pile up in order.When profiled member 19 was the ordering of non-perpendicular state, ordering state detection sensor 184 sent signal alarm, implements stoppage protection by controller.
Present embodiment adopts offset detector to detect the offset deviation of piston in the constant pressure hydraulic system, the deviation of two batches of profiled member height before and after can detecting in compression process, send described deviation to controller, can be used to regulate the feeding quantity of feeding device shaping mould; Adopt the generator of constant pressure hydraulic system as constant pressure, can guarantee the uniformity of compression forming profiled member density well, improve the response speed of offset detector, closely improve isodensity control press control accuracy and control rate in process of production the monitoring of piston side-play amount.
Obviously, the foregoing description only is for example clearly is described, and is not the qualification to embodiment.For those of ordinary skill in the field, can also make other changes in different forms according to varying in size of equipment on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change still are among the protection domain of the utility model creation.
Claims (8)
1. an isodensity is controlled press, comprising:
The shaping work path, order has reinforced station, compression moulding station and goes out the part station on the described shaping work path;
Transmission mechanism, described transmission mechanism is provided with the shaping mould of blank forming, and described transmission mechanism is used to make described shaping mould to move along described shaping work path;
Feeding device, described feeding device are used for adding the prescription material toward described shaping mould;
Compression moulding mechanism is located at described compression moulding station place, is used for the described prescription material of shaping mould is pressed;
It is characterized in that: also comprise
The constant pressure hydraulic system provides main molded pressure to described compression moulding mechanism, and the molded pressure of the master who is provided is detected;
Controller, reception is from the molded pressure information of described master of described constant pressure hydraulic system, and it compares with main molded pressure set points will to lead molded force value, regulates the molded constant pressure of master that described constant pressure hydraulic system is provided according to comparative result.
2. isodensity control press according to claim 1 is characterized in that: also comprise
The loading checkout gear is located at described shaping mould place, is used to be detected as the inventory of filling a prescription described in the pattern;
Described controller is controlled feeding device according to the detected described prescription inventory information of described loading checkout gear again and add described prescription material in described shaping mould.
3. isodensity control press according to claim 2 is characterized in that:
Also comprise offset detector, described offset detector comprises is located at the side-play amount that is used for detecting described constant pressure hydraulic system oil cylinder piston on the described constant pressure hydraulic system;
Described controller is regulated described feeding device according to described side-play amount again and add the prescription material in described shaping mould.
4. according to the arbitrary described isodensity control press of claim 1-3, it is characterized in that:
Described compression moulding station has the pre-molding station successively along described shaping work path, main molded station;
Described compression moulding mechanism comprises the pre-molding device of being located at described pre-molding station place and the molded device of master of being located at the molded station of described master;
Described transmission mechanism comprise have upper punch plate, the turntable of middle punch plate and lower punch plate and drive the motor of described turntable around vertical axis Z rotation;
Described shaping mould is the middle mould of being located on the described middle punch plate;
Also has quantitative station between described reinforced station on the described shaping work path and described pre-molding station;
Described decompressor comprises that the upper plunger of being located at described upper punch plate place and the lower plunger of being located at the lower punch plate place, described upper plunger are used for punching press one end and are provided with upper punch and described lower plunger and are used for punching press one end and are provided with low punch;
Described compression moulding mechanism also comprises and is provided with upper rail dish and lower guideway dish, does the tracks that does relatively reciprocating motion up and down for described upper plunger and described lower plunger provide.
5. isodensity control press according to claim 4 is characterized in that:
Described loading checkout gear is to be used to detect described shaping mould is filled the degree of depth at the material of described reinforced station filling depth transducer;
Described upper punch and described low punch place are provided with respectively and are used to detect that two drifts go into the Molded Depth degree goes into Molded Depth degree sensor;
Described controller also according to described testing result of going into Molded Depth degree sensor regulate described upper punch and described low punch to go into the Molded Depth degree constant.
6. isodensity control press according to claim 5 is characterized in that:
Also have the pressurize shaping station on the described compression moulding station, be positioned at the molded station of described master and describedly go out between the part station;
Also comprise the pressure-keeping mechanism of being located at described pressurize shaping station place, described pressure-keeping mechanism comprises that last pressurize cam, the packing pressure of being located at the upper rail dish are regulated pair, the pressurize phase angle is regulated pair, is located at the following pressurize cam of lower guideway dish and is located at the interior spring of upper plunger.
7. isodensity control press according to claim 6 is characterized in that:
Also comprise that part puts in order sequence detection apparatus, describedly go out that the whole sequence detection apparatus of part comprises the transmission thumb wheel, goes out the part thumb wheel, goes out the part plate washer, ordering status monitoring sensor; Described transmission thumb wheel and the described tooth pitch that goes out the part thumb wheel equate with the spacing of described shaping mould, goes out the described transmission thumb wheel of part thumb wheel shaft coupling by the lower plunger driven in synchronism with described; When described profiled member arrive with turntable rotation described when going out the part station by on evade mould die cavity in described, by going out the guiding function of stirring and go out the part baffle plate of the part thumb wheel gear teeth, described profiled member is taken out from middle punch plate one by one with plumbness, enter whole preface groove behind the described ordering status monitoring sensor check taking-up state and make single-row arranging order successively.
8. isodensity control press according to claim 7, it is characterized in that: described upper plunger and described lower plunger are split drift combining structure, described upper plunger has the split upper punch, the drift nut that connects of described upper punch, the core bar body, with the core bar body nut that described core bar body is connected, also comprise the spring of being located in the upper plunger; Described lower plunger has the split low punch; The drift of described minute body structure connects with the drift nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202883001U CN201808235U (en) | 2010-08-11 | 2010-08-11 | Constant density control press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202883001U CN201808235U (en) | 2010-08-11 | 2010-08-11 | Constant density control press |
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| CN201808235U true CN201808235U (en) | 2011-04-27 |
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| CN2010202883001U Expired - Lifetime CN201808235U (en) | 2010-08-11 | 2010-08-11 | Constant density control press |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102845818A (en) * | 2012-09-21 | 2013-01-02 | 四川农业大学 | Block four-column pressing machine |
| CN104441743A (en) * | 2014-10-16 | 2015-03-25 | 陈烈 | Fully-automatic powder pressing device |
| CN107360717A (en) * | 2015-02-04 | 2017-11-17 | 吉凯恩粉末冶金工程有限公司 | The powder compaction press of lower structure with bevel-type |
| CN110788336A (en) * | 2019-12-02 | 2020-02-14 | 北京天宜上佳高新材料股份有限公司 | Friction block production device and friction block production method |
| CN112408953A (en) * | 2020-12-11 | 2021-02-26 | 湖南人文科技学院 | Forming method of arc-shaped composite ceramic tile |
-
2010
- 2010-08-11 CN CN2010202883001U patent/CN201808235U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102845818A (en) * | 2012-09-21 | 2013-01-02 | 四川农业大学 | Block four-column pressing machine |
| CN102845818B (en) * | 2012-09-21 | 2015-04-29 | 四川农业大学 | Block four-column pressing machine |
| CN104441743A (en) * | 2014-10-16 | 2015-03-25 | 陈烈 | Fully-automatic powder pressing device |
| CN104441743B (en) * | 2014-10-16 | 2016-08-31 | 陈烈 | A kind of automatic Powder hold down gag |
| CN107360717A (en) * | 2015-02-04 | 2017-11-17 | 吉凯恩粉末冶金工程有限公司 | The powder compaction press of lower structure with bevel-type |
| CN110788336A (en) * | 2019-12-02 | 2020-02-14 | 北京天宜上佳高新材料股份有限公司 | Friction block production device and friction block production method |
| CN112408953A (en) * | 2020-12-11 | 2021-02-26 | 湖南人文科技学院 | Forming method of arc-shaped composite ceramic tile |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 102600 Daxing District biological engineering and pharmaceutical industry base, Wing Street, No. 11, No. Patentee after: BEIJING XINLONG LI TECHNOLOGY CO., LTD. Address before: 102600 Tianrong street, Beijing Daxing bioengineering and pharmaceutical industry base, No. 11 Patentee before: BEIJING GYLONGLI AUTOMATION TECH. CO., LTD. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200408 Address after: 102629 floor 3, building 1, No. 11, Tianrong street, Daxing biomedical industry base, Zhongguancun Science and Technology Park, Daxing District, Beijing Patentee after: Beijing xinlongli automation equipment Co., Ltd Address before: 102600, Daxing District, Beijing biological engineering and pharmaceutical industry base, wing Rong Street, No. 11 Patentee before: BEIJING LONGLITECH Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110427 |