CN102722112A - Monitoring system for vulcanizing stretch of conveyor belt - Google Patents
Monitoring system for vulcanizing stretch of conveyor belt Download PDFInfo
- Publication number
- CN102722112A CN102722112A CN2012102040589A CN201210204058A CN102722112A CN 102722112 A CN102722112 A CN 102722112A CN 2012102040589 A CN2012102040589 A CN 2012102040589A CN 201210204058 A CN201210204058 A CN 201210204058A CN 102722112 A CN102722112 A CN 102722112A
- Authority
- CN
- China
- Prior art keywords
- conveying belt
- stretching
- clamping
- stretch
- tension
- 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.)
- Pending
Links
- 238000012544 monitoring process Methods 0.000 title abstract 4
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 238000005987 sulfurization reaction Methods 0.000 claims description 46
- 238000006073 displacement reaction Methods 0.000 claims description 18
- 238000004073 vulcanization Methods 0.000 claims description 12
- 239000000446 fuel Substances 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000004891 communication Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 9
- 239000004744 fabric Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 238000013519 translation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012384 transportation and delivery Methods 0.000 description 2
- 241000272525 Anas platyrhynchos Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
Images
Landscapes
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
The invention relates to a monitoring system for vulcanizing stretch of a conveyor belt. The monitoring system comprises a detection device, a control device, a clamping and stretching device and a vulcanizing device, wherein the detection device is used for detecting the stretch length of the conveyor belt in real time and converting the detected stretch length into a voltage signal; the control device is used for receiving the voltage signal, converting the voltage signal into a data signal and then converting the data signal into the detecting stretch quantity of the conveyor belt; the detecting stretch quantity is compared with a preset stretch quantity, and when the detecting stretch quantity achieves the preset stretch quantity, a stretch stopping command is sent; the clamping and stretching device is used for clamping the conveyor belt and stretching the conveyor belt, and the clamping and stretching device stops stretching the conveyor belt when the clamping and stretching device receives the stretch stopping command; and the vulcanizing device is used for vulcanizing the conveyor belt when stretching the conveyor belt is stopped, and therefore the pressing and stretching resistance of the conveyor belt is increased. The monitoring system for vulcanizing stretch of the conveyor belt controls the vulcanizing stretch quantity of the conveyor belt through the control device, so that the automatic control to the vulcanizing stretch of the conveyor belt is realized, and the production efficiency and the quality of a product are effectively increased.
Description
Technical field
The embodiment of the invention relates to the fabric core conveyor belt production field, relates in particular to a kind of conveying belt sulfuration stretching supervisory system.
Background technology
Fabric core conveyor belt is one important in the conveying belt series of products, also is the maximum a kind of conveying belt of consumption.The vulcanizing press sulfuration is generally adopted in the sulfuration of fabric core conveyor belt; Because the skeleton material-canvas of fabric core conveyor belt mainly contains three kinds on duck, nylon canvas and polyester canvas; These canvas can shrink under the condition of high temperature, and brute force also can descend along with shrinking, for head it off; Usually when sulfuration, fabric core conveyor belt is stretched to certain length after cure with certain force of strain, makes the canvas of fabric core conveyor belt can at high temperature be orientated typing with drawing machine.The conveying belt of unlike material needs different amount of tension; The sulfuration of common fabric core band vulcanizer stretches and designs generally is to adopt travel switch to add the design of ruler; Be about to travel switch and be fixed on the corresponding position according to the scale of needed amount of tension and ruler, drawing machine stops after moving the position that travel switch belongs to automatically.When tensile elongation changes; The position that needs artificial adjustment travel switch; Whether the position of transferring relies on basically accurately that the workman's is conscious; The instability that manually-operated brings has directly had influence on the stability of fabric core conveyor belt product quality, and can not write down amount of tension, inconvenient follow-up reviewing simultaneously automatically.
Summary of the invention
The purpose of the embodiment of the invention is to propose a kind of conveying belt sulfuration stretching supervisory system, is intended to solve that the production efficiency that the technology of conventional artificial control conveying belt sulfuration amount of tension causes is low, the problem of poor product quality.
For realizing above-mentioned purpose, the embodiment of the invention provides a kind of conveying belt sulfuration stretching supervisory system, and said system comprises: pick-up unit be used for detecting in real time the tensile elongation of conveying belt, and the said tensile elongation that will detect converts voltage signal to; Control device; Be used to receive said voltage signal and convert data-signal to, and convert said data-signal the detection amount of tension of said conveying belt into, said detection amount of tension is compared with preset amount of tension; When said detection amount of tension reaches said preset amount of tension, sending and stop the order that stretches; Clamping and stretching device are used for the said conveying belt of clamping and said conveying belt are stretched, when receive said stop to stretch stop to stretch said conveying belt during order; Vulcanization plant is used for when stopping to stretch said conveying belt, said conveying belt being vulcanized, thereby improves resistance to compression, the tensile property of said conveying belt.
The conveying belt sulfuration stretching supervisory system that the embodiment of the invention proposes; Amount of tension through control device control conveying belt; Realize the robotization control of conveying belt amount of tension, effectively improved production efficiency and product quality, greatly reduced staff's labour intensity simultaneously.
Description of drawings
Fig. 1 is the synoptic diagram of embodiment of the invention conveying belt sulfuration stretching supervisory system;
Fig. 2 is the synoptic diagram of the sulfuration stretching device of prior art;
Fig. 3 is the partial schematic diagram of prior art sulfuration stretching device;
Fig. 4 is the sulfuration stretching device partial schematic diagram of embodiment of the invention conveying belt sulfuration stretching supervisory system.
Embodiment
Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.
The embodiment of the invention has proposed a kind of conveying belt sulfuration tensioning system, detects the tensile elongation of conveying belt in real time through pick-up unit, and becomes voltage signal to be transferred to control device the tensile elongation information translation that detects; Control device converts the voltage signal that receives to data-signal, converses the detection amount of tension of conveying belt according to this data-signal, and should detect amount of tension and compare with preset amount of tension; When detecting amount of tension and reach preset amount of tension; Control clamping and stretching device stop the conveying belt that stretches, and write down amount of tension simultaneously automatically, so that review; Conveying belt after will stretching at last vulcanizes through the vulcanization plant band, thereby improves the mechanical stability of conveying belt.The conveying belt sulfuration tensioning system of the embodiment of the invention has changed the technology of conventional artificial adjustment amount of tension; Adopt the amount of tension of control device control conveying belt; Realized the automatic control that the conveying belt sulfuration stretches; Effectively improve production efficiency and product quality, greatly reduced staff's labour intensity simultaneously.
Fig. 1 is for the synoptic diagram of embodiment of the invention conveying belt sulfuration stretching supervisory system, and is as shown in Figure 1, and the conveying belt sulfuration stretching supervisory system of the embodiment of the invention comprises: control device 11, pick-up unit 21, clamping and stretching device 31 and vulcanization plant 41.
As shown in Figure 1 again, control device 11 specifically can comprise host computer 12, network communication port one 3, programmable logic controller (PLC), PLC (Programmable Logic Controller) 14.Host computer 12 is connected with network communication port one 3, and network communication port one 3 is connected with PLC14.
Through host computer 12 amount of tension of conveying belt is set in advance, host computer 12 sends and stretches or the order that stops to stretch sends to PLC14 through network communication port one 3.Network communication port one 3 can be selected the ethernet communication port for use, is mainly used in transmission information.The command translation that PLC14 sends host computer 12 becomes corresponding clock signal, and controls clamping and stretching device 31 stretchings or stop the conveying belt that stretches; PLC14 passes to host computer 12 after can also the voltage signal that pick-up unit 21 sends being changed into data-signal, so that host computer comparison setting value and record amount of tension.
Pick-up unit 21 is used for detecting in real time the tensile elongation of conveying belt, and passes to PLC14 after converting the tensile elongation that detects into voltage signal.As shown in Figure 1 again, pick-up unit 21 specifically can comprise interconnected displacement transducer 22 and power supply 23, and displacement transducer 22 is connected with PLC14.Displacement transducer 22 is mainly used in real-time detection tensile elongation, and passes to PLC14 after converting the tensile elongation that detects into voltage signal, and displacement transducer 22 can be linear displacement transducer or angular displacement sensor.Power supply 23 is mainly used in to displacement transducer 22 provides reliable and stable electric energy, thereby makes displacement transducer 22 be in normal operating conditions.
Clamping and stretching device 31 are used for conveying belt is clamped and fixes, thereby prevent that conveying belt from skidding, and then the conveying belt that fixes are stretched.Clamping and stretching device 31 stretch conveying belt according to the order of control device 11, and when control device 11 sends when stopping to stretch order, clamping and stretching device 31 promptly stop the conveying belt that stretches.As shown in Figure 1 again; Clamping and stretching device 31 specifically can comprise relay 32, Hydraulic Station 33 and clamping and stretching device oil cylinder 34; Clamping and stretching device oil cylinder 34 are connected with Hydraulic Station 33, and Hydraulic Station 33 is connected with relay 32, and relay 32 is connected with PLC14.Relay 32 is used to control Hydraulic Station 33 to clamping and stretching device oil cylinder 34 fuel feeding, and clamping and stretching device oil cylinder 34 have gripped after stretching with conveying belt.What of clamping and stretching device oil cylinder 34 fuel deliveries relay 32 control Hydraulic Station 33 to according to the instruction of PLC14.
As shown in Figure 1 again, the conveying belt sulfuration stretching supervisory system of the embodiment of the invention also comprises: middle clamping device 51 is used for cooperating the conveying belt clamping with clamping and stretching device 31 and fixing, thereby prevents that conveying belt from skidding.Middle clamping device 51 just is used for clamping conveying belt, can not conveying belt be stretched.Middle clamping device 51 specifically can comprise relay 52, Hydraulic Station 53 and middle clamping device oil cylinder 54.Middle clamping device oil cylinder 54 is connected with Hydraulic Station 53, and Hydraulic Station 53 is connected with relay 52, and relay 52 is connected with PLC14.Relay 52 is used for controlling Hydraulic Station 53 and gives clamping device oil cylinder 54 fuel feeding, and middle clamping device oil cylinder 54 is used for conveying belt is grasped, fixes.Relay 52 is controlled Hydraulic Station 53 according to the instruction of PLC14 and is given what of middle clamping device oil cylinder 54 fuel deliveries.
The concrete course of work of the conveying belt of embodiment of the invention sulfuration stretching supervisory system does, the staff is input to conveying belt amount of tension parameter in the host computer 12, and host computer 12 sends the order that stretches, and through network communication port one 3 order passed to PLC14.When PLC14 received the stretching order that host computer 12 sends, PLC14 became corresponding clock signal with command translation, and control clamping and stretching device 31 clamp after stretching with conveying belt.At this moment, displacement transducer 22 detects the tensile elongations of conveying belt in real time, and converts detected tensile elongation into voltage signal and pass to PLC14.PLC14 converts the voltage signal of receiving into data-signal; And data-signal passed to host computer 12 through network communication port one 3; Host computer 12 converts the detection amount of tension of conveying belt into according to this data-signal; When the detection amount of tension of host computer 12 conversion was identical with preset amount of tension, host computer 12 sent to stop to stretch and orders.When PLC14 receive that host computer 12 sends stop to stretch order the time; PLC14 becomes corresponding clock signal with command translation; And control clamping and stretching device 31 stop the conveying belt that stretches; Simultaneously, actual amount of tension and stretching time information that PLC14 is final with conveying belt pass to host computer 12, so that host computer 12 records and demonstration.The conveying belt that is stretched finally carries out vulcanizing treatment through vulcanization plant 41, makes that the conveying belt performance is more stable.
Fig. 2 is the synoptic diagram of the sulfuration stretching device of prior art; Fig. 3 is the partial schematic diagram of prior art sulfuration stretching device, and like Fig. 2, shown in Figure 3, the sulfuration stretching device of prior art comprises clamping and stretching device 31; Middle clamping device 51; Be provided with grip block 35 on clamping and stretching device 31 and the middle clamping device 51, be used for conveying belt 60 is clamped, in case skidding in drawing process, occurs.The guiding slide-bar 36 of clamping and stretching device 31 is used to guide clamping and stretching device oil cylinder 34 conveying belt 60 to be stretched to the amount of regulation along guiding slide-bar direction.Rule 61 and travel switch 62 are used for the amount of tension that operating personnel control conveying belt 60.
The conveying belt sulfuration stretching device of prior art is the amount of tension of coming the manual control conveying belt through rule 61 and travel switch 62; When sulfuration stretches; Operating personnel are fixed on the amount of tension of travel switch 62 according to technical requirement on the rule 61; When stretching and clamping device 31 moves to travel switch 62 positions when running into travel switch 62; Travel switch 62 is given 11 1 signals of control device, and control device 11 stops to stretch through relay 32 control clampings and stretching device 31 immediately, and 42 pairs of conveying belt of vulcanizer carry out vulcanizing treatment then.The sulfuration stretching device of prior art requires the demands of different of operating personnel according to the different size conveying belt; At any time, the position of frequent adjustment stroke switch 62; Whether whether operating personnel put in place according to what technical requirement adjustment stroke switch 62 or travel switch 62 were regulated; What mainly rely on is the conscious of operating personnel, and manually-operated instability has directly influenced the stability of conveying belt product quality.
Fig. 4 is the sulfuration stretching device partial schematic diagram of embodiment of the invention conveying belt sulfuration stretching supervisory system; This figure is merely the partial schematic diagram of sulfuration stretching device; As shown in Figure 4; The sulfuration stretching device of the embodiment of the invention replaces rule 61 usefulness displacement transducers 22, and displacement transducer 22 can be converted into electric signal to mechanical shift.In drawing process, displacement transducer 22 is converted into voltage signal with detected tensile elongation, then voltage signal is transferred to PLC.PLC converts the voltage signal of receiving into data-signal; And data-signal passed to host computer; Host computer converts the detection amount of tension of conveying belt into according to this data-signal; When the detection amount of tension of host computer conversion was identical with preset amount of tension, host computer sent to stop to stretch and orders, and clamping and stretching device stop the conveying belt that stretches.
The sulfuration stretching device of the embodiment of the invention has replaced traditional rule through adopting displacement transducer, thereby realizes the robotization of conveying belt drawing process, has effectively improved the stability and the precision of product quality.
The conveying belt of embodiment of the invention sulfuration stretching supervisory system detects the tensile elongation of conveying belt in real time through pick-up unit, and the tensile elongation that detects is changed into voltage signal gives control device through the ethernet communication port transmission; Control device changes into data-signal with voltage signal; And according to this data-signal calculating amount of tension; The amount of tension of calculating is compared with preset amount of tension, and when the amount of tension of calculating reached preset amount of tension, control device was controlled clamping and stretching device stops the conveying belt that stretches.The conveying belt sulfuration tensioning system of the embodiment of the invention has changed traditional technology that adopts artificial adjustment amount of tension; Amount of tension through control device control conveying belt; Realized the robotization that the conveying belt sulfuration stretches; Improve production efficiency and product quality greatly, reduced staff's labour intensity simultaneously.
Above-described embodiment; The object of the invention, technical scheme and beneficial effect have been carried out further explain, and institute it should be understood that the above is merely embodiment of the present invention; And be not used in qualification protection scope of the present invention; All within spirit of the present invention and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a conveying belt vulcanizes the stretching supervisory system, it is characterized in that said system comprises:
Pick-up unit is used for detecting in real time the tensile elongation of conveying belt, and the said tensile elongation that will detect converts voltage signal to;
Control device; Be used to receive said voltage signal and convert data-signal to, and convert said data-signal the detection amount of tension of said conveying belt into, said detection amount of tension is compared with preset amount of tension; When said detection amount of tension reaches said preset amount of tension, sending and stop the order that stretches;
Clamping and stretching device are used for the said conveying belt of clamping and said conveying belt are stretched, when receive said stop to stretch stop to stretch said conveying belt during order;
Vulcanization plant is used for when stopping to stretch said conveying belt, said conveying belt being vulcanized, thereby improves resistance to compression, the tensile property of said conveying belt.
2. conveying belt sulfuration stretching supervisory system according to claim 1 is characterized in that said control device also is used for when said stretching device stops to stretch said conveying belt, writing down said actual amount of tension, and actual stretching time.
3. conveying belt sulfuration stretching supervisory system according to claim 1 is characterized in that said pick-up unit is specially displacement transducer.
4. conveying belt sulfuration stretching supervisory system according to claim 3 is characterized in that said displacement transducer is linear displacement transducer or angular displacement sensor.
5. conveying belt sulfuration stretching supervisory system according to claim 3, it is characterized in that said pick-up unit also comprises: power supply is used to said displacement transducer electric energy is provided.
6. conveying belt sulfuration stretching supervisory system according to claim 1 is characterized in that said control device specifically comprises:
Host computer is used to be provided with said preset amount of tension, and converts said data-signal the detection amount of tension of said conveying belt into, and when said detection amount of tension reaches said preset amount of tension, sending to stop the order that stretches;
Programmable logic controller (PLC) is used for converting the said voltage signal that the said pick-up unit that receives generates to data-signal.
7. conveying belt sulfuration stretching supervisory system according to claim 1 is characterized in that said clamping and stretching device specifically comprise:
Clamping and stretching device oil cylinder are used for clamping and stretch said conveying belt;
Hydraulic Station is used for fuel feeding and gives said clamping and stretching device oil cylinder;
Relay is used for controlling said Hydraulic Station fuel feeding according to the order of said control device and gives said clamping and stretching device oil cylinder.
8. conveying belt sulfuration stretching supervisory system according to claim 1 is characterized in that said vulcanization plant specifically comprises:
Vulcanizer is used for when stopping to stretch said conveying belt said conveying belt sulfuration;
Hydraulic Station is used to said vulcanizer power is provided.
9. conveying belt sulfuration stretching supervisory system according to claim 8 is characterized in that said vulcanizer is specially vulcanizing press.
10. conveying belt sulfuration stretching supervisory system according to claim 1 is characterized in that said system also comprises, middle clamping device, and said middle clamping device specifically comprises:
Middle clamping device oil cylinder is used for clamping, fixing said conveying belt;
Hydraulic Station is used for fuel feeding and gives said clamping device oil cylinder;
Relay is used for controlling said Hydraulic Station fuel feeding according to the order of said control device and gives said clamping device oil cylinder.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012102040589A CN102722112A (en) | 2012-06-20 | 2012-06-20 | Monitoring system for vulcanizing stretch of conveyor belt |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012102040589A CN102722112A (en) | 2012-06-20 | 2012-06-20 | Monitoring system for vulcanizing stretch of conveyor belt |
Publications (1)
Publication Number | Publication Date |
---|---|
CN102722112A true CN102722112A (en) | 2012-10-10 |
Family
ID=46947913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2012102040589A Pending CN102722112A (en) | 2012-06-20 | 2012-06-20 | Monitoring system for vulcanizing stretch of conveyor belt |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102722112A (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB725008A (en) * | 1953-04-10 | 1955-03-02 | Boston Woven Hose & Rubber Co | Improvements in endless band grinding machine |
JP2000025045A (en) * | 1999-06-24 | 2000-01-25 | Mitsubishi Heavy Ind Ltd | Tire vulcanizing machine |
CN2774744Y (en) * | 2005-02-03 | 2006-04-26 | 福建省三明市东辰机械制造有限责任公司 | Rubber transmission belt thermal length fixing device |
US20060219528A1 (en) * | 2003-07-09 | 2006-10-05 | Bridgestone Corporation | Method and device for measuring conveyor belt elongation, method and device for measuring conveyor belt wear extent, method and device for measuring conveyor belt temperature, rubber magnet sheet, and method of producing rubber magnet sheet |
CN101794149A (en) * | 2010-03-30 | 2010-08-04 | 贵阳永青仪电科技有限公司 | Centralized monitoring system for vulcanizer in tire factory |
-
2012
- 2012-06-20 CN CN2012102040589A patent/CN102722112A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB725008A (en) * | 1953-04-10 | 1955-03-02 | Boston Woven Hose & Rubber Co | Improvements in endless band grinding machine |
JP2000025045A (en) * | 1999-06-24 | 2000-01-25 | Mitsubishi Heavy Ind Ltd | Tire vulcanizing machine |
US20060219528A1 (en) * | 2003-07-09 | 2006-10-05 | Bridgestone Corporation | Method and device for measuring conveyor belt elongation, method and device for measuring conveyor belt wear extent, method and device for measuring conveyor belt temperature, rubber magnet sheet, and method of producing rubber magnet sheet |
CN2774744Y (en) * | 2005-02-03 | 2006-04-26 | 福建省三明市东辰机械制造有限责任公司 | Rubber transmission belt thermal length fixing device |
CN101794149A (en) * | 2010-03-30 | 2010-08-04 | 贵阳永青仪电科技有限公司 | Centralized monitoring system for vulcanizer in tire factory |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105667860A (en) | Automatic film wrapping machine | |
CN202784648U (en) | Conveying chain plate tensioning device | |
CN203461581U (en) | Embedded numerical control non-stop feeding device for bag making machine | |
CN106217704B (en) | A kind of superposing type tyre setting rear inflation apparatus | |
CN104802460A (en) | Single corrugated board production device | |
CN202632009U (en) | Vulcanization stretch monitoring system of conveyer belt | |
CN202449258U (en) | Waste soft bag rejecting device for large infusion soft bag production line | |
CN102722112A (en) | Monitoring system for vulcanizing stretch of conveyor belt | |
CN102645922B (en) | Monitoring system for cold stretching of conveyor belt | |
CN202649785U (en) | System for monitoring cold stretching of conveyor belt to certain length | |
CN203839189U (en) | Online full-automatic transformer core gummed paper wrapping machine | |
CN204342162U (en) | The real-time constant tension control system of a kind of yarn | |
CN203612612U (en) | Production line equipment | |
CN208196917U (en) | A kind of edge-neatening apparatus of automatic tool changer | |
CN203794068U (en) | Deviation correction system of thermoplastic plate material conveyor belt | |
CN102749887B (en) | Size monitoring system for die cavity of vulcanizing machine for conveyor belt | |
CN205800030U (en) | A kind of moulding blanking system | |
CN203391160U (en) | Pressurized drum-type vulcanizing machine | |
CN105460674B (en) | A kind of emery cloth banding machine | |
CN203781254U (en) | Automatic frequency conversion tensioning control device used for belt conveyer | |
CN206427817U (en) | A kind of microviscosity heavy material correction cradle | |
CN202440664U (en) | Oil pressure curling device of calender | |
CN201755787U (en) | Abrasive belt grinding machine capable of improving abrasive belt grinding machine grinding quality | |
CN202782086U (en) | Novel intelliegent compound machine | |
CN202632050U (en) | Monitoring system for moulding cavity size of vulcanizing machine of conveying belt |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C12 | Rejection of a patent application after its publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20121010 |