CN204504705U - A kind of suspension type bearing press - Google Patents

Abstract

The utility model proposes a kind of suspension type bearing press, comprise bow beam; On bow beam one adjutage, level is provided with the first double-acting cylinder, and the first double-acting cylinder piston rod front end is provided with connecting flange, and connecting flange front end is respectively equipped with jacking mechanism and pressure head; Pressure head comprises pressure head body, has fairlead, be provided with top in fairlead in pressure head body by the first spring supporting, and pressure head body front end is provided with annular pressing plate through fairlead; Jacking mechanism comprises slide bar, and on slide bar, cover has briquetting, and briquetting rear end is provided with the 3rd spring; Positioning boss is provided with inside another adjutage of bow beam; Bow beam beam vertical is to having the second double-acting cylinder, and the second double-acting cylinder piston rod is provided with pull bar; Bow beam top is also provided with suspension ring.This pressing machine compact conformation, takes up room little, easy to use, and pressure stability, press-fits precision high, reduces labor strength, improves assembly quality and operating efficiency.

Description

A kind of suspension type bearing press

Technical field

The utility model relates to bearing press-fitting device, particularly relates to a kind of bearing press press-fited online for boxlike component of automobile class bearing or axle sleeve.

Background technology

In automobile gearbox transmission system assembling process, need many places bearing is installed; The installation not only relation car load efficiency of assembling of bearing, and be related to parts assembly precision, finally affect vehicle performance.Traditional bearing assembles, and main employing is installed manually, and workman makes bearing outer ring load in dead eye by sleeve pipe and hammer by knocking, the method installation effectiveness is low, and assembly precision is poor, and noise pollution is large, labor strength is high, can not meet the demand of automated production; At present, enterprise also has and adopts the mode of fixing horizontal press-loading device in production line both sides to carry out automatic press mounting, which is large due to equipment needed thereby floor space, causes production cost to increase, and there is the defect such as very flexible, operation inconvenience simultaneously.

Summary of the invention

For obtaining steady pressure, that improves box body of car gear-box bearing press-fits precision and efficiency of assembling, the utility model proposes a kind of bearing press press-fited online for box body of car gear-box bearing.

For this reason, the technical solution of the utility model is: a kind of suspension type bearing press, comprises bow beam, it is characterized in that:

On bow beam one adjutage, level is inwardly provided with the first double-acting cylinder, and the first double-acting cylinder piston rod front end is provided with connecting flange, and connecting flange front end is respectively equipped with jacking mechanism and pressure head from top to bottom; Described pressure head comprises pressure head body, has fairlead, be provided with top in fairlead in pressure head body by the first spring supporting, and top rear portion supports by being formed between the second spring and pressure head body, and pressure head body front end is provided with annular pressing plate through fairlead; Described jacking mechanism comprises slide bar, and on slide bar, cover has briquetting, and briquetting rear end is provided with the 3rd spring, and the 3rd spring housing is outside at slide bar; Convex frustum is provided with inside another adjutage of bow beam;

Be provided with the second double-acting cylinder vertically downward at bow beam crossbeam inner chamber, the second double-acting cylinder piston rod is provided with pull bar, and pull bar lower end is hook formation, and pull bar forms pull bar hoisting mechanism together with the second double-acting cylinder;

Also be provided with suspension ring on bow beam top, during use, by these suspension ring, pressing machine hung on above assembly line.

Using method:

During use, this pressing machine is suspended on the electric block above assembly line.After production line starts, the workman first manual bearing by required assembling is placed on pressure head, brearing bore is made to be enclosed within guide pin bushing, and make end face near pressing plate, then regulate pressing machine to the position of required assembling gearbox, make gearbox between pressing machine bow beam two adjutage, make the upper faying face of gearbox body be close to bow beam crossbeam bottom surface, gearbox body non-press-fits on the convex frustum that to be positioned at the beginning of side shaft hole inside bowst girder adjutage; Start pressing machine first double-acting cylinder, pressure head and jacking mechanism slowly move under the first double-acting cylinder effect, and first the briquetting on jacking mechanism holds out against the locating hole on gearbox body, carries out Primary Location clamping to gearbox body; Now, start the second double-acting cylinder, pull bar hoisting mechanism is started working, the coupler body of pull bar lower end pulls gearbox axle head to move upward to make sloping shaft be raised to horizontal level, along with the first double-acting cylinder continues motion, axle head center is withstood by top on pressure head, and now the second double-acting cylinder resets, pull bar moves downward, and deactivates; Pressure head continues motion, pressure head overlaps the bearing put to contact with gearbox body, bearing outer ring enters casing dead eye, and bearing inner race is enclosed within axle journal, bearing is pressed in dead eye by pressing plate, guide pin bushing bounces back with spring-compressed under reaction of bearing effect, makes brearing bore be enclosed within axle journal, and pressure head continues motion until put in place by bearing press mounting, after pressurize certain hour, first double-acting cylinder returns, and pressure head retraction resets, and enters and press-fits circulation next time.

Beneficial effect:

The utility model is by fixing horizontal cylinder on bow beam one adjutage, horizontal air cylinder front end connects jacking mechanism and pressure head respectively, first by the positioning boss on jacking mechanism and another adjutage of bow beam gearbox body held out against during use and realize Primary Location, then by pressure head, bearing is pressed in the dead eye of gearbox body front end; The pull bar hoisting mechanism that bow beam crossbeam is arranged, can be pulled up to horizontal level by sloping shaft, so that bearing press mounting, ensures to press-fit precision; The suspension ring that bow beam top is arranged, can make pressing machine hang on line locking action above assembly line, with handled easily, improve assembling flexibility.This pressing machine compact conformation, takes up room little, easy to use, and pressure stability, press-fits precision high, reduces labor strength, improves assembly quality and operating efficiency.

Accompanying drawing explanation

Fig. 1 is front view of the present utility model;

Fig. 2 is the A-A sectional structure chart of Fig. 1;

Fig. 3 is the sectional view of part 4 in Fig. 1;

Number in the figure is: 1, bow beam; 2, the first double-acting cylinder; 3, connecting flange; 4, pressure head; 5, pressure head body; 6, the first spring; 7, fairlead; 8, top; 9, the second spring; 10, annular pressing plate; 11, bearing; 12, slide bar; 13, briquetting; 14, the 3rd spring; 15, the second double-acting cylinder; 16, pull bar; 17, suspension ring; 18, steel wire rope; 19, gearbox; 20, gearbox one axle.

Detailed description of the invention

Below in conjunction with accompanying drawing, the utility model is described in further detail.

As shown in Figure 1, Figure 2, Figure 3 shows, a kind of suspension type bearing press, comprises bow beam 1; Mode that the left adjutage of bow beam 1 is threaded connection is fixedly connected with first double-acting cylinder 2, be threaded connection mode in the piston rod front end of the first double-acting cylinder 2 and be fixedly connected with a connecting flange 3, respectively a jacking mechanism and a pressure head 4 are installed from top to bottom in the front end of connecting flange 3; Described pressure head 4 comprises pressure head body 5, fairlead 7 is supported with by the first spring 6 at the inner chamber of pressure head body 5, top 8 are had at the inner chamber cover of fairlead 7, the rear portion of top 8 supports by being formed between bottom the second spring 9 and pressure head body 5, passes fairlead 7 be provided with annular pressing plate 10 in the front end of pressure head body 5; First insert in the pilot hole in the middle of fairlead 7 by top 8 during assembling, the rear portion of top 8 is supported by the second spring 9, and then fairlead 7 is put into together with top 8 the inner chamber of pressure head body 5, and the rear end of fairlead 7 is supported by the first spring 6, finally annular pressing plate 10 is fixedly connected on the front end of pressure head body 5 by screw, during use, fairlead 7 slides at pressure head body 5 inwall, and top 8 slide in fairlead 7; Described jacking mechanism comprises slide bar 12, has briquetting 13 at the front end sleeve of slide bar 12, is supported with the outside that the 3rd spring the 14, three spring 14 is enclosed within slide bar 12 in the rear end of briquetting 13; Convex frustum is provided with inside the right adjutage of bow beam 1; Be threaded connection mode at the crossbeam inner chamber of bow beam 1 and be fixedly connected with second double-acting cylinder 15 vertically downward, a pull bar 16 is fixedly connected with by nut at the piston-rod lower end of the second double-acting cylinder 15, the lower end of pull bar 16 is hook formation, and described pull bar 16 forms pull bar hoisting mechanism together with the second double-acting cylinder 15; Finally, weld suspension ring 17 respectively in the top end face left and right sides of bow beam 1, during use, between suspension ring, connect steel cable 18, this pressing machine is hung on above assembly line.

During use, this pressing machine is suspended on the electric block above assembly line.After production line starts, the workman first manual bearing 11 by required assembling is positioned on pressure head, make the inner hole sleeve of bearing 11 on guide pin bushing, and make its end face near pressing plate (as Fig. 3), then regulate pressing machine to the position of required assembling gearbox, make gearbox 19 between pressing machine bow beam two adjutage, make the upper faying face of gearbox body be close to bow beam crossbeam bottom surface, gearbox body non-press-fits on the convex frustum that to be positioned at the beginning of side shaft hole inside bowst girder adjutage, start pressing machine first double-acting cylinder, pressure head and jacking mechanism slowly move under the first double-acting cylinder effect, and first jacking mechanism upper holder block holds out against the locating hole on gearbox body, realize the Primary Location clamping of gearbox body, now, start the second double-acting cylinder, pull bar hoisting mechanism is started working, the coupler body of pull bar lower end pulls gearbox axle head to move upward to make sloping shaft be raised to horizontal level (because other parts on gearbox one axle and axle are contained in casing by gearbox assembly line preceding processes in advance, but need bearings mounted end axle not yet to assemble, the dead eye place being placed on gearbox body is taken in the end of gearbox one axle, now gearbox one axle 20 is in heeling condition as shown in Figure 3, pull bar hoisting mechanism is exactly in order to it is promoted to horizontal level from heeling condition, to ensure that postorder bearing press mounting carries out smoothly), along with the first double-acting cylinder continues motion, the top top on pressure head is to axle head center, and now the second double-acting cylinder resets, and pull bar moves downward, and deactivates, pressure head continues motion, pressure head overlaps the bearing put to contact with gearbox body, bearing outer ring enters casing dead eye, and bearing inner race is enclosed within axle journal, bearing is pressed in dead eye by pressing plate, guide pin bushing bounces back with spring-compressed under reaction of bearing effect, makes brearing bore be enclosed within axle journal, and pressure head continues motion until put in place by bearing press mounting, after pressurize certain hour, first double-acting cylinder returns, and pressure head retraction resets, and enters and press-fits circulation next time.

The utility model is by fixing horizontal cylinder on bow beam one adjutage, horizontal air cylinder front end connects jacking mechanism and pressure head respectively, first by the positioning boss on jacking mechanism and another adjutage of bow beam gearbox body held out against during use and realize Primary Location, then by pressure head, bearing is pressed in the dead eye of gearbox body front end; The pull bar hoisting mechanism that bow beam crossbeam is arranged, can be pulled up to horizontal level by sloping shaft, so that bearing press mounting, ensures to press-fit precision; The suspension ring that bow beam top is arranged, can make pressing machine hang on line locking action above assembly line, with handled easily, improve assembling flexibility.This pressing machine compact conformation, takes up room little, easy to use, and pressure stability, press-fits precision high, reduces labor strength, improves assembly quality and operating efficiency.

Claims (1)

1. a suspension type bearing press, comprises bow beam, it is characterized in that:

On bow beam one adjutage, level is inwardly provided with the first double-acting cylinder, and the first double-acting cylinder piston rod front end is provided with connecting flange, and connecting flange front end is respectively equipped with jacking mechanism and pressure head from top to bottom; Described pressure head comprises pressure head body, has fairlead, be provided with top in fairlead in pressure head body by the first spring supporting, and top rear portion supports by being formed between the second spring and pressure head body, and pressure head body front end is provided with annular pressing plate through fairlead; Described jacking mechanism comprises slide bar, and on slide bar, cover has briquetting, and briquetting rear end is provided with the 3rd spring, and the 3rd spring housing is outside at slide bar; Convex frustum is provided with inside another adjutage of bow beam;

Be provided with the second double-acting cylinder vertically downward at bow beam crossbeam inner chamber, the second double-acting cylinder piston rod is provided with pull bar, and pull bar lower end is hook formation, and pull bar forms pull bar hoisting mechanism together with the second double-acting cylinder;

Also be provided with suspension ring on bow beam top, during use, by these suspension ring, pressing machine hung on above assembly line.