CN107790501A - A kind of oil-air lubrication quick plug-pull mechanism and application method - Google Patents

Abstract

An oil-air lubricated quick plug-in mechanism and its use method, including a hose, the hose is connected to one end of a piston rod by a pipe joint, the piston rod is a hollow structure, and the piston rod is installed inside the cylinder body to form a cylinder, and the head and tail of the cylinder body are processed separately. Air inlet A and air inlet B, the other end of the piston rod is equipped with a moving joint, the moving joint is connected to the fixed joint and installed on the roll bearing seat, the air inlet A is ventilated to complete the rapid closing and separation of the oil and gas pipeline, and the air inlet Port B is ventilated to complete the rapid connection of the oil and gas pipeline. The invention has short operation time, high efficiency, reduces the work intensity of workers, and is easy to disassemble and easy to maintain.

Description

A kind of oil-air lubrication quick plug-pull mechanism and application method

Technical field

The present invention relates to rolling metal plate and tape technical field, more particularly to a kind of oil-air lubrication quick plug-pull mechanism and use Method.

Background technology

With the progress of rolling metal plate and tape technology, mill speed more and more higher, the lubricating condition of roll bearing and requirement Also more and more higher, oil-air lubrication with its high lubricating effect, save the advantages that lubricant medium and maintenance workload are few and obtain extensively should With.Old roller need to be hauled out frame during mill roll, now need first to disassemble the oil-air lubrication pipe on roll chock, treat milling train Oil-air lubrication pipe is loaded on after loading the roller system of new milled.The installation and dismounting of existing rolling line major part lubrication management use Operative employee carries out joint disassembly and plug separation manually, influences roll changing time, efficiency is low, especially the Oil/Gas Pipe of transmission side , there is an influence of enclasping spindle nose, transverse-moving mechanism and spindle and bracket system on road around it, operating space is small, it is difficult to stretches out one's hand to get at and connects Head, and have certain risk during operation.

The content of the invention

In order to overcome the above-mentioned deficiencies of the prior art, it is an object of the invention to provide a kind of oil-air lubrication fast insert-pull machine Structure and application method, quick separating and the connection of oil gas pipeline can be realized, have the activity duration short, efficiency high, reduce work People's operation intensity, and be easy to dismount, the characteristics of maintenance well.

In order to achieve the above object, the technical solution adopted by the present invention is：

A kind of oil-air lubrication quick plug-pull mechanism, including flexible pipe 1, flexible pipe 1 are connected to the one end of piston rod 3 by pipe joint 2, living Stopper rod 3 is hollow structure, and piston rod 3 is machined with air inlet A and air inlet respectively end to end mounted in the inside of cylinder body 4 composition cylinder, cylinder body 4 Mouth B, the other end of piston rod 3 are equipped with dynamic joint 6, and dynamic joint 6 is connected with anchor tip 7 and on roll chock 8.

Described dynamic joint 6 includes cavity 11 and fittings body 15, and cavity 11 is threadedly coupled by sealing with fittings body 15, pushed up Pin 13 is encapsulated in inside cavity 11 with spring 14 by fittings body 15, and cavity 11 has inside and outside two conical surfaces, inner conical surface and its internal peace The cone of thimble 13 of dress is in contact, and male cone (strobilus masculinus) is used to contact with the bullet of anchor tip 7, and the front portion of thimble 13 is column, rear portion For cone, sealing ring 3 12 is housed, circumferentially uniform processing inclined, quantity are 2 to 6 to cone, are lubricated for connecting in cone Medium, inclined hole is at the rear of sealing ring 3 12.

Described one end of anchor tip 7 is screw thread, and the other end is bullet, is machined with screw thread end face and bullet close Groove is sealed, is respectively used to the installation of sealing ring 1 and sealing ring 2 10, anchor tip 7 and the dynamic connection end of joint 6 are bullet knot Structure.

It is provided with passage at the described bullet of anchor tip 7, passage is the inclined hole being uniformly distributed circumferentially, quantity For 2 to 6, and with inside center hole UNICOM at bullet.

Described cylinder body 4 is supported by support 5.

A kind of application method of oil-air lubrication quick plug-pull mechanism, when unit will carry out roll change, air inlet A ventilations, piston Move after bar 3, depart from dynamic joint 6 with anchor tip 7, thimble 13 resets under action from the spring 14, its cone and cavity 11 Inner conical surface contacts, and compresses sealing ring 3 12 therebetween, fairway is closed, after milling train loads new roller, air inlet B ventilations, Piston rod 3 moves with dynamic joint 6 to roll chock 8, and is gradually contacted with anchor tip 7, and thimble 13 withstands anchor tip 7 Behind bullet end face, start the spring 14 in compression chamber 11, now the cone of thimble 13 progressively disengages with the inner conical surface of cavity 11, moistens Sliding medium can enter inclined hole and the center of anchor tip 7 by the inclined hole on the hollow via-hole of piston rod 3 and the cone of thimble 13 In hole, while the male cone (strobilus masculinus) of cavity 11 is close with the taper body phase of anchor tip 7 and compresses sealing ring 2 10, prevents outside lubricant medium Let out, this completes the connection of lubricating loop, stroke surplus is now still left between piston rod 3 and cylinder body 4, ensure dynamic joint It can be compressed between 6 and anchor tip 7.So far a work period is completed.

The beneficial effects of the invention are as follows：

The present invention can realize quick-make and the separation in oil gas loop, and reaction is fast, and the activity duration is short, efficiency high, reduce Worker operation intensity, improves equipment level.This mechanism and method occupy little space, and are easy to dismount, good to safeguard.

Brief description of the drawings

Fig. 1 is that quick plug-pull mechanism connects position view.

Fig. 2 is to turn on an anchor tip and dynamic joint sectional view.

Dynamic joint cross sectional detail when Fig. 3 is separation.

Fig. 4 is quick plug-pull mechanism separation position view.

Embodiment

The structural principle to the present invention and operation principle make narration in detail below in conjunction with the accompanying drawings.

As shown in Figure 1 and Figure 4, the present invention includes flexible pipe 1, and it is connected to the outer end of piston rod 3 by pipe joint 2, and piston rod 3 is Hollow structure, its interior bone are used for the circulation of lubricant medium, and piston rod 3 is mounted in the inside of cylinder body 4 composition cylinder, and cylinder body 4 is end to end Portion is machined with air inlet A and air inlet B respectively, and cylinder body 4 is fixed on support 5, and piston rod 3 passes through the inner void of support 5, piston Bar 3 is provided with dynamic joint 6 close to one end of roll chock 8, and anchor tip 7 is arranged on roll chock 8, as shown in Figure 2 The one end of anchor tip 7 is screw thread, and the other end is bullet, and sealed groove is machined with screw thread end face and bullet, is used respectively Sealing ring 9, anchor tip are housed between the installation of sealing ring 1 and sealing ring 2 10, anchor tip 7 and roll chock 8 It is cased with sealing ring 2 10 on 7 bullet, passage is the inclined hole being uniformly distributed circumferentially at the bullet of anchor tip 7, quantity For 2 to 6, and with its inside center hole UNICOM, concede the middle acting surface with the column of thimble 13, as shown in Figure 3 dynamic joint 6 It is made up of cavity 11, sealing ring 3 12, thimble 13, spring 14 and fittings body 15, cavity 11 is with fittings body 15 by sealing screw thread Connection, thimble 13 and spring 14 are encapsulated in inside cavity 11 by fittings body 15, and cavity 11 has inside and outside two conical surfaces, inner conical surface and its The cone of thimble 13 of inside installation is in contact, and male cone (strobilus masculinus) is used to contact with the bullet of anchor tip 7, and the front portion of thimble 13 is vertical Post, rear portion are cone, sealing ring 3 12 are housed, circumferentially uniform processing inclined, quantity are 2 to 6 to cone, are used in cone Lubricant medium is connected, inclined hole is at the rear of sealing ring 12.The afterbody of thimble 13 is equipped with spring 14, and spring 14 is constantly in compressive state, Ensure that it pushes forward thimble 13, the other end of spring 14 and the effect of being in contact of fittings body 15 always.

As shown in figure 4, when unit will carry out roll change, air inlet A ventilates, and is moved after piston rod 3, with dynamic joint 6 with fixing Joint 7 departs from, as shown in figure 3, thimble 13 resets under action from the spring 14, its cone contacts with the inner conical surface of cavity 11, compresses Sealing ring 3 12 therebetween, fairway is closed.As shown in figure 1, after milling train loads new roller, air inlet B ventilations, piston rod 3 move with dynamic joint 6 to roll chock 8, and are gradually contacted with anchor tip 7, and thimble 13 withstands the bullet of anchor tip 7 Behind end face, start the spring 14 in compression chamber 11, now the cone of thimble 13 progressively disengages with the inner conical surface of cavity 11, and lubrication is situated between Matter can be entered in the inclined hole and centre bore of anchor tip 7 by the inclined hole on the hollow via-hole of piston rod 3 and the cone of thimble 13, The male cone (strobilus masculinus) of cavity 11 is close with the taper body phase of anchor tip 7 simultaneously and compresses sealing ring 10, prevents lubricant medium from leaking, thus The connection of lubricating loop is completed, stroke surplus is now still left between piston rod 3 and cylinder body 4, ensures that dynamic joint 6 connects with fixation It can be compressed between first 7.So far a work period is completed.

Claims (6)

1. An oil-air lubricated quick plug-and-pull mechanism, characterized in that it includes a hose (1), the hose (1) is connected to one end of the piston rod (3) by a pipe joint (2), and the piston rod (3) is a hollow structure , the piston rod (3) is installed inside the cylinder body (4) to form a cylinder, and the head and tail of the cylinder body (4) are respectively processed with an air inlet A and an air inlet B, and the other end of the piston rod (3) is equipped with a moving joint (6 ), the moving joint (6) is connected with the fixed joint (7) and installed on the roll bearing housing (8). 2. An oil-air lubricated quick plug-in mechanism according to claim 1, characterized in that, the movable joint (6) includes a cavity (11) and a joint body (15), and the cavity (11) and the joint The body (15) is connected by a sealed thread, the thimble (13) and the spring (14) are encapsulated inside the cavity (11) by the joint body (15), the cavity (11) has two inner and outer cones, the inner cone and the inner The installed thimble (13) cone contacts, and the outer cone surface is used to contact with the cone of the fixed joint (7), and the front portion of the thimble (13) is a column, and the rear portion is a cone, and the cone is equipped with three sealing rings ( 12), the cone is evenly processed along the circumference of the oblique hole, the number is 2 to 6, used to connect the lubricating medium, the oblique hole is behind the sealing ring three (12). 3. An oil-air lubricated quick plug-in mechanism according to claim 1, characterized in that one end of the fixed joint (7) is threaded, the other end is a cone, and the end surface of the thread and the cone are both processed with seals. Grooves are respectively used for the installation of seal ring one (9) and seal ring two (10), and the connection ends of the fixed joint (7) and the movable joint (6) are tapered body structures. 4. An oil-air lubricated quick plug-in mechanism according to claim 1, characterized in that, the tapered body of the fixed joint (7) is provided with vent holes, and the vent holes are oblique holes evenly distributed along the circumferential direction, The number is 2 to 6, and communicate with the inner central hole at the cone. 5. An oil-air lubricated quick plug-in mechanism according to claim 1, characterized in that the cylinder (4) is supported by a bracket (5). 6. A method for using an oil-air lubricated quick plug-in mechanism, characterized in that when the unit is to change rolls, the air inlet A is ventilated, and the piston rod (3) moves backward, bringing the moving joint (6) and the fixed joint ( 7) Disengaged, the thimble (13) resets under the action of the spring (14), its cone contacts with the inner cone surface of the cavity (11), presses the sealing ring 3 (12) in between, and closes the oil and gas passage, when the rolling mill After the new roll is installed, the air inlet B is ventilated, the piston rod (3) moves to the roll bearing seat (8) with the moving joint (6), and gradually contacts the fixed joint (7), and the thimble (13) withstands the fixed After the end face of the conical body of the joint (7), start to compress the spring (14) in the cavity (11), at this time the cone of the thimble (13) is gradually separated from the conical surface of the cavity (11), and the lubricating medium can pass through the piston rod ( 3) The hollow through hole and the inclined hole on the cone of the thimble (13) enter the inclined hole and the center hole of the fixed joint (7), and at the same time, the outer tapered surface of the cavity (11) is close to the cone of the fixed joint (7) And press the sealing ring 2 (10) to prevent the lubricating medium from leaking out, thus completing the connection of the lubricating circuit. At this time, there is still a stroke margin between the piston rod (3) and the cylinder body (4) to ensure the dynamic Can compress between joint (6) and fixed joint (7). At this point, a working cycle is completed.