Introduction of WKD Pinch roll and laying head
The pinch roll and laying head are arranged after drinking water cooling plant of finishing roll. The pinch roll is the system for metal line rolling creation which mainly utilised for gripping rolled piece feeding into the laying head. Laying head for transportation of heliciform gripping rolled piece which diameter is 1080mm to the scattered coils cooling roll table prior to coil collector station.
CZPT functions of pinch roll & laying head:
Pinch roll and laying head are intently adjacent semi-open up technique. Pinch roll is arranged just before entrance of laying head and transportation of gripping rolled piece into laying head. Then laying head will transform the gripping rolled piece to heliciform rolled piece which diameter is 1080mm and flat the rolled out to the scattered coils cooling roll desk.
Pinch roll:
It is the horizontal cantilever framework. It has double roll device and 1 air cylinder which is utilised to handle roll up and down synchronous clamp. Pinch roll DC motor is utilized to enhance travel speed by two-stage cylindrical gear. Up and down roll are mounted respectively at two swing arm. There is one air cylinder which drives the up and down roll synchronous close to or depart rolling line by a team of crank-website link system. There is geared up with adjustable limit equipments to adjust pinch roll max opening degree and least middle distance in between up and down roll so that could altered the clamp force and wire rod not to quick concurrently. Pinch roll drive equipment box used welding composition. The equipment and bearings used slender oil central lubrication approach. And the bearings are employed filmatic bearing and higher speed roll thrust bearing. Pinch roll is prolonged working at standard operate and its speed is settled by process necessity. Pinch roll can clamp the head, conclude or entire wire rod on the basis of process prerequisite.
Laying head:
It is the vertical cantilever structure and the middle line slopes down ten degrees. It is composed of spinning pipe which is mounted in the rotation dabber and gearing. There is one particular DC adjustable-speed motor that could drive the rotation dabber by way of a pair of bevel gear wheel. Spinning pipe can spin typical wire coil on the foundation of setting revolving speed.
Laying head rotation dabber is made up of spinning head and hollow shaft. Spinning head is utilized to fixation spinning pipe and hollow shaft. And the hollow shaft would be derived by bevel equipment in the driving box. There is a pipe between the interior of bevel gear. And there is water-cooling push pipe amongst the pipe and hollow shaft. Drinking water-cooling travel pipe is used for cooling the pipe and it will shield the bearings of the hollow shaft to keep away from large temperature of rolled piece. Laying head travel gear box employed welding construction. The equipment and bearings employed skinny oil central lubrication process.
Basic safety guard is the cylinder construction and the spinning head is put in in it. Its incline layout is for the protection. Best fifty percent of security guard can be opened by the air cylinder for shifting the spinning pipe but its have to been closed at regular perform. It ought to been processed static balancing examination for all of the equipments with rotation dabber. Then we can increase or lessen the bodyweight of them on basis of screening. Right after static balancing test it ought to been processed dynamic balance check which evaluate knowledge are: Tests rotate velocity:
1900r/min, dynamic equilibrium high quality: G2.five. There are two test factors in the entrance and back bearing cap when the laying head is assembled you could take a look at vibration knowledge on the two details. And the check vibration evaluate info is 5mm/s.
