A magnetic table holding brake device of a printing machine
A brake device and printing machine technology, applied in mechanical equipment, brake actuators, gear shifting mechanisms, etc., can solve the problems of extremely high size and horizontal accuracy, easy heating and burning of coils, easy friction and fracture, etc. Simple, low cost, long life effect
Inactive Publication Date: 2016-01-06
宁波西田信染织有限公司
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Problems solved by technology
However, the existing brake device has the following disadvantages during use: (1) The synchronous belt runs at high speed, is easy to break due to friction, and needs to be replaced frequently, the cost is high and the replacement is quite troublesome; (2) The coil of the electromagnetic clutch is easy to heat and burn out , the maintenance cost is high, and the disassembly and assembly are extremely complicated; (3) The entire system requires extremely high dimensional and horizontal accuracy during maintenance and installation. If there is a slight deviation, the action will fail
Method used
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Embodiment Construction
[0016] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0017] As shown in the figure, a magnetic table brake device for a printing machine is characterized in that it includes a solenoid valve 1, a solenoid valve controller, a cylinder 3, a friction disc 4 and a brake band 5, and the solenoid valve 1 can use a two-position five-way electromagnetic Valve, two-position five-way solenoid valve adopts 220V coil, and the compressed air pressure is 0.3mpa-0.6mpa; solenoid valve 1 is provided with at least one air inlet and at least two air outlets, and cylinder 3 is provided with two air inlets , the cylinder 3 adopts the SDA40×50 cylinder, the bore of the SDA40×50 cylinder is 40mm, and the stroke is 50mm (the stroke in actual use is 35mm), and the two air outlets of the solenoid valve 1 pass through the air pipe 6 and the cylinder 3 respectively. The two air inlets are connected correspondingly, the fr...
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The invention discloses a band-type brake device of a magnetic table of an embossing machine. The band-type brake device comprises an electromagnetic valve, an electromagnetic valve controller, an air cylinder, a friction disk and a brake band. The electromagnetic valve is provided with at least one air inlet and at least two air outlets, the air cylinder is provided with two air inlets, the two air outlets of the electromagnetic valve are respectively connected with the two air inlets of the air cylinder correspondingly through air pipes, the friction disk is mounted on a driving shaft of the magnetic table and is in coaxial close fit with the driving shaft of the magnetic table, the air cylinder is fixedly arranged on one side of the friction disk, the brake band is wound on the upper end face of the friction disk, one end of the brake band is fixedly connected with a piston shaft of the air cylinder, and the other end of the brake band is fixed. The band type brake device of the magnetic table of the embossing machine has the advantages of simple structure, convenience in mounting, demounting and replacing, low abrasion, high reliability, low frequency in replacement and cost, and further, the brake band cannot rotate at high speed along with the driving shaft of the magnetic table.
Description
technical field [0001] The invention relates to a brake device, in particular to a brake device for a magnetic table of a printing machine. Background technique [0002] The brake of the existing printing machine magnetic table is generally adopted such as figure 1 The brake device combined with the electromagnetic clutch and pulley shown in the figure works as follows: when the magnetic table scrapes, the controller outputs a control signal, the coil of the electromagnetic clutch is energized to generate a magnetic field, and the coil pulls the friction plate in, and the friction plate is separated from the friction plate. In this way, the shaft of the electromagnetic clutch is driven by the drive shaft of the magnetic table through the synchronous belt to complete the printing and dyeing action; when the scraping of the magnetic table is completed and the guide belt is advancing, the coil of the electromagnetic clutch is powered off, the friction plate is released by the c...
Claims
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IPC IPC(8): F16D49/12F16D65/14F16D121/04
Inventor 杨建华朱海达柴国荣
Owner 宁波西田信染织有限公司