CN104859084A - Pressure and temperature precisely controllable hot pressing molding device for friction material - Google Patents
Pressure and temperature precisely controllable hot pressing molding device for friction material Download PDFInfo
- Publication number
- CN104859084A CN104859084A CN201510298027.8A CN201510298027A CN104859084A CN 104859084 A CN104859084 A CN 104859084A CN 201510298027 A CN201510298027 A CN 201510298027A CN 104859084 A CN104859084 A CN 104859084A
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- sensor
- friction material
- pressure
- body carrier
- hole
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/16—Frictional elements, e.g. brake or clutch linings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a pressure and temperature precisely controllable hot pressing molding device for a friction material. A hot pressing system comprises an output acquisition card and a hot press. A computer display control system comprises an input acquisition card and a computer. An intelligent die system comprises a pressing body, a die and a sensor, a through hole is formed in the die, the sensor is arranged in the through hole, the pressing body comprises a bearing block, a sensor carrier and a main pressing body, an upper zone of the main pressing body is a bearing block connecting zone, the bearing block is inserted in a hollow part and connected with the main pressing body, a middle zone of the main pressing body is a sensor carrier connecting zone, the zone is in a shape of a groove, the sensor carrier is embedded in the groove, and a lower zone of the main pressing body is of a solid structure; the sensor is vertically mounted in a deep hole in the sensor carrier. The intelligent die system, the computer display control system and the hot pressing system are sequentially connected. Accurate and intelligent automatic control is realized over the hot pressing molding key technical parameters of the friction material, and temperature and pressure values required by the molding of the friction material in the die are accurately regulated.
Description
Technical field
The present invention relates to a kind of heat pressing forming device, particularly relate to a kind of friction material heat pressing forming device of pressure and temperature controllable precise.
Background technology
Friction material is the vitals material of brake, be made up of organic binder bond, fortifying fibre, frictional property regulator, filler four kinds of main components and other compounding ingredients, friction material composition has conclusive impact to its performance, and it needs to possess the feature such as suitable coefficient of friction, stronger wearability, preferably physical property usually.At present, the moulding process of friction material mainly comprises hot pressing, colds pressing and temperature and pressure three kinds, although cold pressing with warm-pressing technology processing noise is little, cost is low, to improving processing environment, there is great role, but it is still in the exploratory stage, technology is ripe not enough, and the hot-forming technology simple, widely applicable as a maturation, in friction material is shaping, obtain application widely.
Existing friction material hot-pressing forming system, primarily of mould and hot press composition, although the application of its technology is comparatively ripe, but still there is following shortcoming: temperature and pressure value required in hot pressing 1) can only be set by artificial adjustment hot press, and owing to there is the impact of many intermediate mediums, the equipment precision not even factor such as equipment fault between hot press and hot-pressed material, the setting value of hot press and hot-die concrete in actual value between there is deviation; 2) although existing hot press can realize feedback regulation, but it is still for hot press itself, monitoring be the temperature and pressure of hot press, the property value such as temperature, pressure of mold internal friction materials can not be reflected at all, cannot regulate and control accurately according to bad conditions such as heating, exert pressure instability in mould truly; 3) though Design of Dies has started to develop to intelligent direction, but the intelligent die being applied to the shaping aspect of friction material is few, and existing intelligent die majority can only realize installing a certain specific sensor, carry out the monitoring of single signal, and the function that minority can monitor the intelligent die of multiple signal is only limitted to Signal aspects and the warning to unusual condition, the FEEDBACK CONTROL to pressure and temperature can not be realized.Such as, retrieval finds: Chinese patent CN 104139033 A discloses a kind of intelligent die, this intelligent die is by being connected the temperature alarming device that its base is installed with display instrument thus monitoring the temperature in mould, but it is except the shortcoming only can monitored single signal, the feedback regulation to abnormal conditions also cannot be realized.Chinese patent CN 103230977 A discloses a kind of embedded integration mould, this mould is installed the sensors such as temperature, pressure, speed, displacement respectively by diverse location therein and is realized the monitoring of multiple signal, display controlling, but duty parameter can only regulate and control at zone of reasonableness according to the data originally recorded when regenerative ratio by it, also cannot carry out immediately the ANOMALOUS VARIATIONS in mould in process and regulate in time, accurately.Therefore, for the moulding process requirement of friction material, design one integrate multi signal monitoring, display and feedback regulation friction material hot-pressing forming system significant to raising friction material crudy, promotion automated production.
Summary of the invention
For above-mentioned prior art Problems existing, the invention provides a kind of friction material heat pressing forming device of pressure and temperature controllable precise, can carry out monitoring in real time, accurately, showing to the temperature and pressure of mould inside in hot pressing, the feedback regulation of signal can be carried out by bad condition that is unstable to temperature, force value or that do not reach claimed range again, realize the regulation and control to mold system temperature, pressure, ensure that the quality of product, improve the efficiency of production.
To achieve these goals, the technical solution used in the present invention is: a kind of friction material heat pressing forming device of pressure and temperature controllable precise, comprise hot-pressing system, computer display & control system and intelligent die system, computer display & control system comprises input capture card and computer, hot-pressing system comprises output capture card and hot press, intelligent die system comprises laminate, mould and sensor, the outer surface of mould offers through hole to mould intracavity wall, sensor setting is in through hole, laminate comprises pressure block, sensor body carrier and main laminate, main laminate is divided into three regions, be respectively region, middle region and lower area, in main laminate, region is pressure block join domain, this intra-zone hollow, pressure block is inserted in middle vacancy and is connected with main laminate, in main laminate, region is sensor body carrier join domain, this region is groove shapes, sensor body carrier is embedded in groove, and three sides of sensor body carrier and main laminate are in same plane, main laminate lower area is solid construction, contact with friction material, sensor body carrier upper surface arranges a deep hole, and deep hole sole arrangement cross-drilled hole is to sensor body carrier front surface, and sensor is vertically placed in the deep hole of sensor body carrier, and sensor conductor is drawn by cross-drilled hole, in main laminate, the front surface of region and sensor body carrier contact position offers groove, sensor is connected by the input interface of wire with input capture card, input capture card is connected to computer expansion interface by data wire, export capture card and be connected to another expansion interface of computer by data wire, Control of Hot Press Control circuit is connected with the output interface exporting capture card.
The described sensor be arranged in mould through hole is temperature sensor.
The described sensor be vertically placed in sensor body carrier deep hole is pressure sensor.
The number of openings that outer surface to the mould intracavity wall of described mould is offered is three, arranges a sensor in each through hole respectively.
Described sensor body carrier and main laminate are connected by line slide rail and are embedded in groove.
The invention has the beneficial effects as follows: pressure, the mounting means of temperature sensor is special, achieve the precision of the hot-forming key process parameter of friction material and intelligent automatic control, can not only the shaping required temperature of accuracy controlling mould internal friction materials, force value, solve conventional thermocompression mould can only by the running parameter of artificial setting hot press the shortcoming of performance parameter in indirect adjustments and controls die cavity, and can the change of temperature and pressure in the whole hot pressing of real time record, and make FEEDBACK CONTROL timely for abnormal conditions, ensure that the quality of product, improve working (machining) efficiency.
Accompanying drawing explanation
Fig. 1 is system architecture schematic diagram of the present invention;
Fig. 2 is the partial schematic diagram of the friction material mould in the present invention;
Fig. 3 is general structure schematic diagram and the decomposition texture schematic diagram of laminate in mould;
In figure: 1, laminate, 11, pressure block, 12, sensor body carrier, 13, main laminate, 2, mould, 3, temperature sensor, 4, friction material, 5, hot press, 6, pressure sensor.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1 to Figure 3, the friction material heat pressing forming device of this pressure and temperature controllable precise, comprises hot-pressing system, computer display & control system and intelligent die system, and computer display & control system comprises input capture card and computer; Hot-pressing system comprises output capture card and hot press 5;
Intelligent die system comprises laminate 1, mould 2 and sensor, the outer surface of mould 2 offers through hole to mould intracavity wall, sensor setting is in through hole, sensor is temperature sensor 3 herein, setting position in through hole close to mould intracavity wall position, such measured temperature value can represent the temperature of measured material completely, and sensor can be avoided to contact with friction material 4 and destroy the shape of friction material 4, and damage sensor due to pressurized, in addition, the quantity of through hole setting is herein 3 is optimal number, a sensor is set in each through hole respectively, can select voluntarily according to mould 2 size, its main purpose is the temperature variations in order to measure friction material 4 diverse location, ensure monitoring result more accurately and reliably, and avoid the performance destroying friction material 4 because of non-uniform temperature in friction material 4, laminate 1 comprises pressure block 11, sensor body carrier 12 and main laminate 13, main laminate 13 is divided into three regions, be respectively region, middle region and lower area, in main laminate 13, region is pressure block 11 join domain, this intra-zone hollow, pressure block 11 is inserted in middle vacancy and is connected with main laminate 13, in main laminate 13, region is sensor body carrier 12 join domain, this region is groove shapes, sensor body carrier 12 is embedded in groove, and sensor body carrier 12 is in same plane with three sides of main laminate 13, main laminate 13 lower area is solid construction, contact with friction material 4, sensor body carrier 12 upper surface arranges a deep hole, deep hole sole arrangement cross-drilled hole is to sensor body carrier 12 front surface, sensor is vertically placed in the deep hole of sensor body carrier 12, and sensor is pressure sensor herein, and sensor conductor is drawn by cross-drilled hole, in main laminate 13, the front surface of region and sensor body carrier 12 contact position offers groove, object is when sensor body carrier 12 coordinates with main laminate 13, sensor is made passed through from groove by pressure head, thus contact with pressure block 11 by the deep hole of pressure head in main laminate 13, the force value in hot pressing suffered by friction material can be recorded like this,
All the sensors is connected by the input interface of wire with input capture card, input capture card is connected to computer expansion interface by data wire, export capture card and be connected to another expansion interface of computer by data wire, hot press 5 control circuit is connected with the output interface exporting capture card.
Described sensor body carrier 12 and main laminate 13 are connected by line slide rail and are embedded in groove, can ensure firm coordinating between sensor body carrier 12 with main laminate 13 like this.
Operating process of the present invention is: 1) place mould 2 on the hot pressing platform of hot press 5, 2) friction material 4 is placed in the die cavity of mould 2, 3) laminate 1 is placed in die cavity, 4) by computer input temperature, force value, 5) computer sends instruction and makes hot press 5 start to exert pressure and heat, 6) signals collecting is transferred to computer, at the parameter value of computer data viewing area display hot pressing, at graphical display area display parameters change curve by sensor after input capture card filtering, amplification and A/D conversion, 7) computer is to signal analysis, process, and by feedback signal through exporting capture card D/A conversion, filtering, the control circuit of hot press 5 is transferred to after amplification, when temperature anomaly, by the voltage swing changing hot press 5 heater circuit, temperature is adjusted to normal value, when pressure anomaly, by the oil liquid pressure changing hydraulic system, pressure is adjusted to normal value, so not only realize the intellectuality of forming materials processing, and the working condition of experimenter Zhi Xu function software interface and adjustable hot-pressing system, facilitate the operation of experimenter to a great extent, ensure that the security of hot pressing.
Claims (5)
1. a friction material heat pressing forming device for pressure and temperature controllable precise, comprises hot-pressing system, computer display & control system and intelligent die system, it is characterized in that,
Hot-pressing system comprises output capture card and hot press (5);
Computer display & control system comprises input capture card and computer;
Intelligent die system comprises laminate (1), mould (2) and sensor, the outer surface of mould (2) offers through hole to mould intracavity wall, sensor setting is in through hole, laminate (1) comprises pressure block (11), sensor body carrier (12) and main laminate (13), main laminate (13) is divided into three regions, be respectively region, middle region and lower area, the upper region of main laminate (13) is pressure block (11) join domain, this intra-zone hollow, pressure block (11) is inserted in middle vacancy and is connected with main laminate (13), in main laminate (13), region is sensor body carrier (12) join domain, this region is groove shapes, sensor body carrier (12) is embedded in groove, and sensor body carrier (12) is in same plane with three sides of main laminate (13), main laminate (13) lower area is solid construction, contact with friction material (4), sensor body carrier (12) upper surface arranges a deep hole, and deep hole sole arrangement cross-drilled hole is to sensor body carrier (12) front surface, and sensor is vertically placed in the deep hole of sensor body carrier (12), and sensor conductor is drawn by cross-drilled hole, the front surface of the upper region of main laminate (13) and sensor body carrier (12) contact position offers groove,
Sensor is connected by the input interface of wire with input capture card, input capture card is connected to computer expansion interface by data wire, export capture card and be connected to another expansion interface of computer by data wire, hot press (5) control circuit is connected with the output interface exporting capture card.
2. the friction material heat pressing forming device of a kind of pressure and temperature controllable precise according to claim 1, is characterized in that, the described sensor be arranged in mould (2) through hole is temperature sensor (3).
3. the friction material heat pressing forming device of a kind of pressure and temperature controllable precise according to claim 1, is characterized in that, the described sensor be vertically placed in sensor body carrier (12) deep hole is pressure sensor.
4. the friction material heat pressing forming device of a kind of pressure and temperature controllable precise according to claim 2, it is characterized in that, the number of openings that outer surface to the mould intracavity wall of described mould (2) is offered is three, arranges a sensor in each through hole respectively.
5. the friction material heat pressing forming device of a kind of pressure and temperature controllable precise according to claim 1, is characterized in that, described sensor body carrier (12) and main laminate (13) are connected by line slide rail and are embedded in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510298027.8A CN104859084B (en) | 2015-06-03 | 2015-06-03 | A kind of friction material heat pressing forming device of pressure and temperature controllable precise |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510298027.8A CN104859084B (en) | 2015-06-03 | 2015-06-03 | A kind of friction material heat pressing forming device of pressure and temperature controllable precise |
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| Publication Number | Publication Date |
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| CN104859084A true CN104859084A (en) | 2015-08-26 |
| CN104859084B CN104859084B (en) | 2018-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510298027.8A Expired - Fee Related CN104859084B (en) | 2015-06-03 | 2015-06-03 | A kind of friction material heat pressing forming device of pressure and temperature controllable precise |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111002691A (en) * | 2019-12-13 | 2020-04-14 | 重庆市佳禾家具制造有限公司 | Control system of leather pressing machine |
| CN113165218A (en) * | 2018-12-19 | 2021-07-23 | 米其林集团总公司 | Method for producing objects made of rubber powder |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203254570U (en) * | 2013-03-05 | 2013-10-30 | 励茂华 | Monitoring compression molding die |
| CN203611417U (en) * | 2013-11-04 | 2014-05-28 | 江苏国力锻压机床有限公司 | Hydraulic machine for glass reinforced plastic product |
| CN204640654U (en) * | 2015-06-03 | 2015-09-16 | 中国矿业大学 | A kind of friction material heat pressing forming device of pressure and temperature controllable precise |
-
2015
- 2015-06-03 CN CN201510298027.8A patent/CN104859084B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203254570U (en) * | 2013-03-05 | 2013-10-30 | 励茂华 | Monitoring compression molding die |
| CN203611417U (en) * | 2013-11-04 | 2014-05-28 | 江苏国力锻压机床有限公司 | Hydraulic machine for glass reinforced plastic product |
| CN204640654U (en) * | 2015-06-03 | 2015-09-16 | 中国矿业大学 | A kind of friction material heat pressing forming device of pressure and temperature controllable precise |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113165218A (en) * | 2018-12-19 | 2021-07-23 | 米其林集团总公司 | Method for producing objects made of rubber powder |
| CN111002691A (en) * | 2019-12-13 | 2020-04-14 | 重庆市佳禾家具制造有限公司 | Control system of leather pressing machine |
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| CN104859084B (en) | 2018-05-22 |
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