CN218226435U - Oil-retaining bearing press-mounting machine - Google Patents

Abstract

The utility model discloses an oiliness bearing pressure equipment machine, including rack, first frame, controlling means, portal frame, pressure equipment device, first frame is fixed to be installed at the rack top surface, controlling means sets up in first frame front top, with pressure equipment device electrical connection, the portal frame is fixed to be installed above first frame, pressure equipment device sets up in first frame middle part; the utility model has the advantages that the concentric and accurate positioning of the connecting rod and the bearing is better realized by arranging the positioning and bearing mechanism; through set up fidelity subassembly in removing the pressure head mechanism, eliminated the oil-retaining bearing because of the hole deformation and the retraction condition that the extrusion produced, ensured the correctness and the uniformity of oil-retaining bearing hole size.

Description

Oil-retaining bearing press-fitting machine

Technical Field

The utility model relates to an oiliness bearing installation technical field, concretely relates to oiliness bearing pressure equipment machine.

Background

The oil-retaining bearing, namely the porous bearing, is a basic part which is made by taking metal powder as a main raw material and adopting a powder metallurgy method and is impregnated with lubricating oil, is used in a self-oil-supply state, has the characteristics of low cost, vibration absorption, low noise, no need of adding lubricating oil in a longer working time and the like, and is widely applied to various industrial products such as automobiles, household appliances, acoustic equipment, office equipment, agricultural machinery, precision machinery and the like.

A connecting rod oil-retaining bearing (see figure 2) needs to be pressed into a connecting rod bearing hole. In the press-mounting machine in the prior art, on one hand, a corresponding connecting rod positioning mechanism is not arranged, a common positioning mechanism is only simply used for fixing a workpiece, the positioning precision of a connecting rod and a bearing is low, the concentricity is low, press-mounting deviation is easily caused, and the bearing is damaged; on the other hand, a synchronous bearing fidelity mechanism is not arranged, the deformation and retraction of an inner hole of the oil-retaining bearing are easy to occur after press mounting, the consistency of the inner hole of the oil-retaining bearing is influenced, the dispersion is large and unstable, and the precision, the performance, the service life and the reliability of the bearing are further influenced. Therefore, it is necessary to develop a pressing machine for oil-impregnated bearings to improve the pressing precision and efficiency of oil-impregnated bearings and to improve the service life of oil-impregnated bearings and corresponding workpieces.

Disclosure of Invention

An object of the utility model is to provide an oiliness bearing pressure equipment machine to solve the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an oiliness bearing pressure equipment machine, includes rack, first frame, controlling means, portal frame, pressure equipment device, first frame is fixed to be installed at the rack top surface, controlling means sets up in the positive top of first frame, with pressure equipment device electrical connection for set up the operating parameter and control the complete machine operation, the portal frame is fixed to be installed in first frame top, pressure equipment device sets up in first frame middle part, is arranged in putting the connecting rod with the oiliness bearing pressure equipment.

The press-mounting device comprises a second rack, a third rack, a servo press-mounting mechanism, a movable pressure head mechanism, a positioning pressure-bearing mechanism and a feeding mechanism, wherein the second rack is arranged above a cabinet and used for mounting the servo press-mounting mechanism, the third rack is arranged in the second rack and used for mounting the movable pressure head mechanism, the positioning pressure-bearing mechanism and the feeding mechanism, the servo press-mounting mechanism is fixedly arranged on the second rack and used for providing downward pressing power, the movable pressure head mechanism is arranged in the middle of the upper portion of the third rack and under the servo press-mounting mechanism and used for press-mounting the oil-containing bearing and the inner hole fidelity thereof, the positioning pressure-bearing mechanism is arranged in the middle of the third rack and is used for positioning the connecting rod under the movable pressure head mechanism, and the feeding mechanism is arranged on the third rack and positioned on one side of the positioning pressure-bearing mechanism and is arranged under the movable pressure head mechanism and used for conveying the oil-containing bearing.

The third rack comprises a base plate, a bearing plate, a first compression spring, a movable pressing plate, linear bearings, a first stand column, an anti-falling cap and a second stand column, wherein the base plate is fixedly arranged at the bottom of the second rack, the first stand column is fixedly arranged at four corners of the base plate, the bearing plate is fixedly arranged right above the base plate and used for installing a positioning pressure-bearing mechanism and a feeding mechanism, the positioning hole, a feeding hole and an oblique convex end are formed in the center of the bearing plate, the feeding hole is formed in one side of the positioning hole, the oblique convex end is arranged at the right end of the rear of the bearing plate, the feeding hole is formed in the oblique convex end, the movable pressing plate is arranged right above the bearing plate and used for installing a movable pressing head mechanism, the movable pressing plate is provided with a movable groove, a sliding groove and a positive convex end, the sliding groove is arranged in the middle of the rear of the movable pressing plate and vertically staggered with the oblique convex end, the first stand column penetrates through the bearing plate, the movable pressing plate and the four linear bearings are arranged between the movable pressing plate, the first compression spring is sleeved on the third stand column, the compression spring is used for supporting the anti-falling cap, and the second stand column is used for supporting the anti-falling cap, and the movable pressing plate is arranged at the top end of the third stand column.

And a pressure head is arranged at the lower end of the servo press-fitting mechanism and is positioned on the same straight line with the positioning hole.

Remove pressure head mechanism, including pressure head mounting panel, riveting subassembly, fidelity subassembly, locking cap, slide bar, aversion cylinder, pressure head mounting panel activity sets up on movable clamp plate, pressure head mounting panel middle part runs through down and is equipped with riveting subassembly, fidelity subassembly, the riveting subassembly runs through the movable groove downwards for the oiliness bearing is got to the cover, and impresses the oiliness bearing in the connecting rod dead eye under pressure head 532 effect, fidelity subassembly sets up side by side with the riveting subassembly, runs through the movable groove downwards for eliminate oiliness bearing hole and the internal contraction because of the deformation that the extrusion produced, the spiro union has the locking cap between pressure head mounting panel and riveting subassembly, the fidelity subassembly, the pressure head mounting panel is fixed respectively all around and is equipped with the slide bar, the slide bar runs through the groove downwards to remove in the groove that slides for guide pressure head mounting panel back-and-forth movement on movable clamp plate, the aversion cylinder is fixed to be installed on positive protruding, and output and pressure head mounting panel fixed connection is used for promote the pressure head mounting panel back-and-forth movement.

Because prior art does not set up synchronous bearing fidelity mechanism, the oily bearing hole deformation and the interior condition of contracting appear easily after the pressure equipment, but if set up a fidelity mechanism alone can lead to the mechanism complicated too fat, for this reason the utility model discloses remove pressure head mechanism below and set up a fidelity subassembly parallel with the riveting subassembly to set up the aversion cylinder and pass through the pressure head mounting panel and drive the riveting subassembly, the synchronous back-and-forth reciprocating motion of fidelity subassembly, realized the riveting subassembly, the synchronous action of fidelity subassembly, thereby realized bearing housing pressure equipment of getting, the circulation of bearing hole fidelity, make the structure succinct not too fat.

The riveting assembly comprises a first mandrel, a riveting pressing head, a first mandrel and a second compression spring, wherein the first mandrel is located at the center of the riveting assembly, the upper end of the first mandrel is connected with a fixing cap in a screwed mode, the riveting pressing head is fixedly arranged at the lower end of the first mandrel and provided with a reducing ring for sleeving an oil-containing bearing, the first mandrel is movably sleeved on the lower portion of the first mandrel and used for pushing the oil-containing bearing on the riveting pressing head into a connecting rod bearing hole, a locking ring is arranged at the upper end of the first mandrel and is prevented from being separated from the first mandrel, the first compression spring is movably sleeved on the upper portion of the first mandrel and located between a pressing head mounting plate and the first mandrel, and a reducing portion is arranged at a position where the first mandrel is located and contacts with the first compression spring and the first mandrel.

The riveting subassembly will reach the purpose that absorbs the oiliness bearing and need set up the constriction ring on riveting the mouth pressure head, must push away the oiliness bearing smoothly when the pressure equipment simultaneously again and break away from the constriction ring and can reply rapidly, has set up first core section of thick bamboo and second compression spring for this reason, makes the oil-impregnated bearing of riveting the mouth pressure head to impress the dead eye and pull out smoothly through the elastic expansion of first core section of thick bamboo.

Fidelity subassembly, including second dabber, push rod, second core section of thick bamboo, steel ball, goal pipe, third compression spring, the second dabber is located the center of fidelity subassembly, upper end and locking cap spiro union, second core section of thick bamboo movable sleeve is established in second dabber lower part, and the middle part is equipped with hollow inner chamber, and the inner chamber lower extreme is equipped with the arc ball seat, be equipped with the steel ball in the arc ball seat, steel ball and oiliness bearing hole isodiametric, second core section of thick bamboo bottom is equipped with elasticity and crosses the ball hole, the slope of goal pipe sets up on second core section of thick bamboo one side outer wall, and link up with second core section of thick bamboo inner chamber for transport the steel ball, the push rod sets up at second core section of thick bamboo inner chamber center, upper end and second dabber lower extreme fixed connection, the vertical orientation steel ball of lower extreme for push through the oiliness bearing hole with the steel ball, third compression spring movable sleeve establishes on second dabber upper portion, and is located between second core section of thick bamboo and the pressure head mounting panel, the position of contact in second core section of thick bamboo is equipped with a pair of thick bamboo, prevents that second core section of thick bamboo from breaking away from with second core section of thick bamboo.

The purpose of fidelity mechanism is that the oiliness bearing hole that probably appears after the pressure equipment warp and contract in, passes the dead eye through the steel ball that adopts the isodiametric with the bearing for bearing aperture resumes normally, keeps the uniformity around keeping, the utility model discloses a set up the fidelity subassembly, the epaxial push rod of second spindle is under second core section of thick bamboo, third compression spring's combined action, and the steel ball passes through the ball hole through elasticity and pushes the oiliness bearing hole, has realized the fidelity of oiliness bearing, and the setting of ball hole is crossed to arc ball seat, elasticity makes the steel ball can only pass through one at every turn again.

The positioning bearing mechanism comprises a positioning cylinder, a guide device, an air inlet pipe, a ball outlet pipe, a positioning core, a bearing platform, a positioning seat and a positioning mandrel, wherein the positioning cylinder is fixedly arranged below a bearing plate, the output end of the positioning cylinder faces upwards, the guide device is fixedly arranged above the bearing plate, a cross through hole which is communicated with the upper part and the lower part and the left and the right is arranged in the center of the guide device, the air inlet pipe is horizontally arranged at one side of the guide device and is connected with a high-pressure air source through an air transmission pipeline for blowing air into the guide device, the ball outlet pipe is horizontally arranged at the other side of the guide device, is communicated with the air inlet pipe and is connected with a ball inlet pipe through the air transmission pipeline, under the action of high-pressure air flow, the steel ball that will drop in the introducer blows in the second core section of thick bamboo through pipeline, goal ball pipe, the location core runs through the locating hole and fixes and install between location cylinder and introducer, the cushion cap is fixed to be set up in the introducer top for place the connecting rod, the positioning seat is fixed to be set up in the cushion cap top, and the center is equipped with the through-hole, and one side is equipped with fan-shaped opening for the fixed link tip, the through-hole that link up about introducer, cushion cap, positioning seat center all are equipped with, location cylinder output end fixedly connected with positioning core axle, positioning core axle successively runs through introducer, cushion cap, positioning seat center through-hole and connecting rod dead eye, positioning core axle top and connecting rod dead eye cooperation.

Because the general positioning mechanism of the prior art is only used for fixing a workpiece simply, and accurate positioning of a connecting rod and a bearing cannot be achieved, the positioning and bearing mechanism is provided with the positioning mandrel, the positioning mandrel is pushed by the positioning cylinder to sequentially penetrate through the guide, the bearing platform, the positioning seat central through hole and the connecting rod bearing hole, accurate positioning of the connecting rod and the bearing is well realized, concentricity is ensured, and the positioning mandrel returns only after the positioning mandrel is pressed in place, so that the bearing is ensured not to deviate; meanwhile, the guide device is arranged, the center of the guide device is provided with a cross through hole which is communicated with the air inlet pipe and the ball outlet pipe from top to bottom and is communicated with the positioning core and the bearing platform from top to bottom, so that the fidelity steel ball can circularly flow back, and the efficiency is improved.

The feeding mechanism comprises a sliding seat, a sliding drawer, a pushing cylinder, an ejecting cylinder, a guide cylinder, a hanging lug, a hanging rod, a guide device and an auxiliary pressing block, wherein the sliding seat is fixedly arranged on the bottom surface of an inclined convex end, a groove is formed in the upper end of the sliding seat, the sliding drawer is slidably arranged in the groove of the sliding seat, a material receiving hole is formed in the front end of the sliding drawer, the pushing cylinder is fixedly arranged on the bottom surface of the sliding seat, the output end of the pushing cylinder is rightwards and fixedly connected with the right end of the sliding drawer to push the sliding drawer to reciprocate, the guide cylinder is fixedly arranged on a feed hole, the inner diameter of the guide cylinder is slightly larger than the outer diameter of an oil-containing bearing, the hanging lug is horizontally arranged on a portal frame, the hanging rod is vertically arranged between the hanging lug and a bearing plate, upper end and hangers swing joint, lower extreme run through the guide cylinder, assist briquetting movable sleeve to establish on the jib for the oily bearing of lapse leads, the external diameter of jib slightly is less than the internal diameter of bearing for carry oily bearing, the guide ware is fixed to be installed in the pay-off hole of bearing plate, establishes the guide through-hole in, the liftout cylinder is fixed to be set up bottom surface under the slide left end, and the output upwards activity in proper order runs through material receiving hole, guide through-hole, through setting up feeding mechanism, has realized the vertical downward feeding of oily bearing, the pay-off that the level is to the front, vertical upward liftout.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a set up location pressure-bearing mechanism, utilize location cylinder to promote positioning core axle and run through guide, cushion cap, positioning seat central through-hole and connecting rod dead eye in proper order, positioning core axle top and connecting rod dead eye cooperation have better realized the concentric accurate location to connecting rod, bearing, have guaranteed the pressure equipment precision, have improved the pressure equipment quality.

2. The utility model discloses a set up the fidelity subassembly in removing pressure head mechanism, the epaxial push rod of second spindle is at a second core section of thick bamboo, third compression spring's combined action is down, cross the ball hole with the steel ball through elasticity and push the oiliness bearing hole, because steel ball and oiliness bearing hole isodiametric, the steel ball runs through the oiliness bearing hole under certain pressure, thereby the hole deformation and the interior condition of contracting that the oiliness bearing produced because of the extrusion have been eliminated, oiliness bearing hole size's correctness and uniformity have been ensured, oiliness bearing's fidelity has been realized, the life of oiliness bearing and corresponding work piece has been improved.

3. The utility model discloses a set up the guide in location pressure-bearing mechanism, the cross through-hole that link up about its center is equipped with about, link up about with intake pipe, play bulb respectively, link up from top to bottom with location core, cushion cap, realize the circulation backward flow of fidelity steel ball, improved degree of automation.

4. The utility model discloses a set up feeding mechanism, location pressure-bearing mechanism, removal pressure head mechanism, the servo pressure equipment mechanism that the process links up each other, realized pay-off automatically, the pressure equipment of oiliness bearing, improved degree of automation.

5. The utility model discloses a set up and remove pressure head mechanism, set up riveting subassembly, fidelity subassembly side by side, the aversion cylinder passes through the pressure head mounting panel and drives riveting subassembly, fidelity subassembly front and back reciprocating motion, has realized the synchronous motion of riveting subassembly, fidelity subassembly to realize that the bearing housing gets the pressure equipment, the circulation operation of bearing hole fidelity, improved work efficiency.

Drawings

Fig. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic view of an assembly structure of a connecting rod and an oil-retaining bearing;

fig. 3 is a schematic view of the three-dimensional structure of the press-fitting device of the present invention;

fig. 4 is a schematic view of a three-dimensional structure of a third frame of the present invention;

FIG. 5 is a schematic diagram showing the positional relationship among the moving head pressing mechanism, the positioning and bearing mechanism, and the feeding mechanism of the present invention;

fig. 6 is a schematic view of the three-dimensional structure of the moving ram mechanism of the present invention;

FIG. 7 is a schematic longitudinal sectional view of the rivet pressing assembly of the present invention;

FIG. 8 is a schematic longitudinal cross-sectional view of a fidelity assembly of the present invention;

fig. 9 is a schematic three-dimensional structure diagram of the positioning pressure-bearing mechanism of the present invention;

fig. 10 is a schematic cross-sectional view of the guide in the positioning and bearing mechanism of the present invention;

fig. 11 is a schematic view of a three-dimensional structure of the feeding mechanism of the present invention.

In the figure: 1 cabinet, 2 first machine frame, 3 control device, 4 portal frame, 5 press-fitting device, 51 second machine frame, 52 third machine frame, 521 bottom plate, 522 pressure bearing plate, 522a positioning hole, 522b feeding hole, 522c feeding hole, 522d oblique convex end, 523 first compression spring, 524 movable pressure plate, 524a movable groove, 524b sliding groove, 524c positive convex end, 525 linear bearing, 526 first upright post, 527 anti-falling cap, 528 second upright post, 53 servo press-fitting mechanism, 531 pressure head, 54 movable pressure head mechanism, 541 pressure head mounting plate, 542 rivet-pressing component, 5421 first core shaft, 5422 rivet-opening pressure head, 5423 first core barrel, 5424 second compression spring, 543 fidelity component 5431 second mandrel, 5431a bolt, 5432 push rod, 5433 second mandrel, 5433a arc ball seat, 5433b ball passing elastic necking through hole, 5433c bolt moving groove, 5434 steel ball, 5435 ball inlet pipe, 5436 third compression spring, 544 fixed cap, 545 sliding rod, 546 displacement air cylinder, 55 positioning pressure-bearing mechanism, 551 positioning air cylinder, 552 guider, 5221 air inlet pipe, 5222 ball outlet pipe, 553 positioning core, 554 bearing platform, 555 positioning plate, 556 positioning mandrel, 56 feeding mechanism, 561 sliding seat, 562 sliding drawer, receiving hole 562a, 563 pushing air cylinder, 564 pushing air cylinder, 565 guide cylinder, 566 hanging lug, 567 hanging rod, 568 guide, 568a guide through hole and 569 auxiliary pressing block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the oil-retaining bearing press-fitting machine comprises a cabinet 1, a first frame 2, a control device 3, a portal frame 4 and a press-fitting device 5, wherein the first frame 2 is fixedly arranged on the top surface of the cabinet 1, the control device 3 is arranged above the front surface of the first frame 2 and electrically connected with the press-fitting device 5 and used for setting operation parameters and controlling the whole machine to operate, the portal frame 4 is fixedly arranged above the first frame 2, and the press-fitting device 5 is arranged in the middle of the first frame 2 and used for press-fitting the oil-retaining bearing into a connecting rod.

Referring to fig. 3 and 5, the press-fitting device 5 includes a second frame 51, a third frame 52, a servo press-fitting mechanism 53, a moving press head mechanism 54, a positioning pressure-bearing mechanism 55, and a feeding mechanism 56, wherein the second frame 51 is disposed above the cabinet 1, the third frame 52 is disposed in the middle of the second frame 51 for mounting the moving press head mechanism 54, the positioning pressure-bearing mechanism 55, and the feeding mechanism 56, the servo press-fitting mechanism 53 is fixedly disposed at the upper end of the second frame 51 for providing a downward pressing power, the moving press head mechanism 54 is disposed in the middle of the upper portion of the third frame 52 and is disposed under the servo press-fitting mechanism 53 for press-fitting the oil-containing bearing and its inner bore fidelity, the positioning pressure-bearing mechanism 55 is disposed in the middle of the third frame 52 and is disposed under the moving press head mechanism 54 for positioning the connecting rod, and the feeding mechanism 56 is disposed on the third frame 52 and is disposed on one side of the positioning pressure-bearing mechanism 55 and is disposed under the moving press head mechanism 54 for conveying the oil-containing bearing.

Referring to fig. 4, the third frame 52 includes a bottom plate 521, a pressure-bearing plate 522, a first compression spring 523, a movable pressure plate 524, a linear bearing 525, a first upright column 526, an anti-drop cap 527, and a second upright column 528, the bottom plate 521 is fixedly installed at the bottom of the second frame 51, four first upright columns 526 are fixedly installed at four corners of the bottom plate 521, the pressure-bearing plate 522 is fixedly installed right above the bottom plate 521 for installing and positioning the pressure-bearing mechanism 55 and the feeding mechanism 56, and is provided with a positioning hole 522a, a feeding hole 522b, a feeding hole 522c, and an inclined convex end 522d, the positioning hole 522a is arranged at the center of the pressure-bearing plate 522, the feeding hole 522c is arranged at one side of the positioning hole 522a, the inclined convex end 522d is arranged at the right end behind the pressure-bearing plate 522, the feeding hole b is arranged on the inclined convex end 522d, the movable pressure plate 524 is arranged right above the pressure-bearing plate 522 for installing the moving head mechanism 54, the movable pressing plate is provided with a movable groove 524a, a sliding groove 524b and a positive convex end 524c, the movable groove 524a is arranged in the middle of the movable pressing plate 524, the pair of sliding grooves 524b is arranged on two sides of the movable groove 524a, the positive convex end 524c is arranged in the middle of the rear part of the movable pressing plate 524 and is vertically staggered with the inclined convex end 522d, the four first upright posts 526 penetrate through the pressure bearing plate 522 and the movable pressing plate 524, the four linear bearings 525 are sleeved between the movable pressing plate 524 and the first upright posts 526, the first upright posts 526 between the pressure bearing plate 522 and the movable pressing plate 524 are sleeved with a first compression spring 523, the four anti-falling caps 527 are fixedly arranged at the top ends of the first upright posts 526 to prevent the movable pressing plate 524 from falling off when the first compression spring 523 rebounds, and two ends of the second upright posts 528 are respectively fixedly connected with the bottom plate 521 and the pressure bearing plate 522 for supporting the pressure bearing plate 522.

Referring to fig. 3 and 4, the servo press-fitting mechanism 53 has a press head 531 at a lower end thereof, which is aligned with the positioning hole 522 a.

Referring to fig. 4, 5 and 6, the moving ram mechanism 54 includes a ram mounting plate 541, a riveting component 542, a fidelity component 543, a fixing cap 544, a sliding rod 545 and a shift cylinder 546, the ram mounting plate 541 is movably disposed on the movable platen 524, the middle of the ram mounting plate 541 is downward penetrated by the riveting component 542 and the fidelity component 543, the riveting component 542 downward penetrates by the movable groove 524a for housing the oil bearing and pressing the oil bearing into the connecting rod bearing hole under the action of the ram 531, the fidelity component 543 is disposed side by side with the riveting component 542 and downward penetrates by the movable groove 524a for eliminating the deformation and retraction of the inner hole of the oil bearing caused by extrusion, the fixing cap 544 is screwed between the ram mounting plate 541, the riveting component 542 and the fidelity component 543, the periphery of the pressure head mounting plate 541 is respectively fixedly provided with a sliding rod 545, the sliding rod 545 downwards penetrates through the sliding groove 524b and moves in the sliding groove 524b to guide the pressure head mounting plate 541 to move back and forth on the movable pressure plate 524, the shifting cylinder 546 is fixedly arranged on the positive convex end 524c, the output end of the shifting cylinder 546 is fixedly connected with the pressure head mounting plate 541 to push the pressure head mounting plate 541 to move back and forth, and by arranging the shifting pressure head mechanism 54, the shifting cylinder 546 drives the riveting component 542 and the fidelity component 543 to reciprocate back and forth through the pressure head mounting plate 541, so that the synchronous movement of the riveting component 542 and the fidelity component 543 is realized, and the cycle of bearing sleeve pressure taking and bearing inner hole fidelity is realized.

Referring to fig. 6 and 7, the riveting assembly 542 includes a first mandrel 5421, a rivet pressure head 5422, a first mandrel 5423, and a second compression spring 5424, the first mandrel 5421 is located at the center of the riveting assembly 542, the upper end of the first mandrel 5421 is screwed with the fixing cap 544, the rivet pressure head 5422 is fixedly disposed at the lower end of the first mandrel 5421, a reducing ring is disposed for sleeving and removing the oil-containing bearing, the first mandrel 5423 is movably sleeved on the lower portion of the first mandrel 5421 and used for pushing the oil-containing bearing on the rivet pressure head 5422 into the connecting rod bearing hole, a locking ring is disposed at the upper end of the first mandrel 5421 and preventing the oil-containing bearing from being separated from the first mandrel 5421, the second compression spring 5424 is movably sleeved on the upper portion of the first mandrel 5421 and located between the pressure head mounting plate 541 and the first mandrel 5423, the first mandrel 5421 is located between the second compression spring 5424 and the first mandrel 5423, a core reducing ring 5421a core is disposed at a portion where the first mandrel 5423 and contacts with the second compression spring 5423, and the riveting assembly 542 is disposed, and the first mandrel 5421 and the second compression spring 5423 can successfully achieve the combined action of pulling and removing the oil-containing bearing.

Referring to fig. 6 and 8, the fidelity assembly 543 comprises a second spindle 5431, a push rod 5432, a second core barrel 5433, a steel ball 5434, a ball inlet tube 5435, and a third compression spring 5436, the second spindle 5431 is located at the center of the fidelity assembly 543, the upper end is screwed with the fixing cap 544, the second core barrel 5433 is movably sleeved on the lower portion of the second spindle 5431, the middle portion is provided with a hollow inner cavity, the lower end of the inner cavity is provided with an arc ball seat 5433a, the steel ball 5434 is arranged in the arc ball seat 5433a, the steel ball 5434 is in the same diameter with the inner hole of the oil-containing bearing, the bottom of the second core barrel 5433 is provided with an elastic ball passing hole 5433b, the ball inlet tube 5435 is obliquely arranged on the outer wall of one side of the second core barrel 5433 and is communicated with the inner cavity of the second core barrel 5433 for conveying the steel ball 5434, the push rod 5432 is arranged at the center of the inner cavity of the second core barrel 5433, the upper end is fixedly connected with the lower end of the second core barrel 5431, and the lower end is vertically facing the steel ball 5434, the oil-retaining bearing is used for pushing the steel ball 5434 through an inner hole of the oil-retaining bearing, the third compression spring 5436 is movably sleeved on the upper portion of the second core shaft 5431 and is positioned between the second core cylinder 5433 and the pressure head mounting plate 541, a pair of bolts 5431a are arranged at the contact position between the second core shaft 5431 and the second core cylinder 5433 and are used for preventing the second core shaft 5431 from being separated from the second core cylinder 5433, the steel ball 5434 is pushed into the inner hole of the oil-retaining bearing through the elastic ball passing hole 5433b under the combined action of the second core cylinder 5433 and the third compression spring 5436 by arranging the fidelity component 543, and the steel ball 5434 and the inner hole of the oil-retaining bearing are equal in diameter, so that the steel ball 5434 penetrates through the inner hole of the oil-retaining bearing under certain pressure, the deformation and retraction of the inner hole of the oil-retaining bearing caused by extrusion are eliminated, the correctness and the consistency of the size of the inner hole of the oil-retaining bearing are ensured, and the fidelity of the oil-retaining bearing is realized.

Referring to fig. 5, 8, 9 and 10, the positioning and pressure-bearing mechanism 55 includes a positioning cylinder 551, a guide 552, an air inlet pipe 5521, a ball outlet pipe 5522, a positioning core 553, a bearing platform 554, a positioning seat 555 and a positioning core shaft 556, the positioning cylinder 551 is fixedly installed below the pressure-bearing plate 522, the output end is upward, the guide 552 is fixedly installed above the pressure-bearing plate 522, the center is provided with a cross through hole penetrating up and down, left and right, the air inlet pipe 5521 is horizontally arranged at one side of the guide 552 and is connected with a high pressure air source through an air transmission pipeline, used for blowing air into the guider 552, the ball outlet pipe 5522 is horizontally arranged at the other side of the guider 552, is communicated with the air inlet pipe 5521 and is connected with the ball inlet pipe 5435 through a conveying pipeline, under the action of high-pressure air flow, the steel ball 5434 dropped in the guide 552 is blown into the second core barrel 5433 through the conveying pipeline and the ball inlet pipe 5435, the positioning core 553 penetrates through the positioning hole 522a and is fixedly arranged between the positioning cylinder 551 and the guide 552, the bearing platform 554 is fixedly arranged above the guide 552, used for placing a connecting rod, the positioning seat 555 is fixedly arranged above the bearing platform 554, a through hole is arranged at the center, a fan-shaped opening is arranged at one side, the positioning device is used for fixing the end part of the connecting rod, the centers of the guide 552, the bearing platform 554 and the positioning seat 555 are all provided with through holes which are vertically penetrated, the output end of the positioning cylinder 551 is fixedly connected with a positioning mandrel 556, the positioning mandrel 556 telescopically penetrates through the centers of the guide 552, the bearing platform 554, the positioning seat 555 and the connecting rod bearing hole, the top end of the positioning mandrel 556 is matched with the connecting rod bearing hole, by arranging the positioning pressure-bearing mechanism 55, the positioning cylinder 551 is used for pushing the positioning mandrel 556 to sequentially penetrate through the guide 552, the bearing platform 554, the central through hole of the positioning seat 555 and the connecting rod bearing hole, so that concentric accurate positioning of the connecting rod is well realized, the press-fitting precision is ensured, and the press-fitting quality is improved; the guide 552 is provided with a cross through hole in the center, which penetrates through the air inlet pipe 5521, the ball outlet pipe 5522 and the positioning core 553, and the bearing platform 554 from top to bottom, so that the circular reflux of the steel ball 5434 is realized.

Referring to fig. 1, 3, 5, 11, the feeding mechanism 56 includes a sliding base 561, a sliding drawer 562, a pushing cylinder 563, a pushing cylinder 564, a guiding cylinder 565, a hanging lug 566, a hanging rod 567, a guiding device 568, and an auxiliary pressing block 569, the sliding base 561 is fixedly installed on the bottom surface of the inclined convex end 522d, the upper end of the sliding base is provided with a groove, the sliding drawer 562 is slidably installed in the groove of the sliding base 561, the front end of the sliding base is provided with a receiving hole 562a, the pushing cylinder 563 is fixedly installed on the bottom surface of the sliding base 561, the output end of the pushing cylinder is fixedly connected to the right end of the sliding drawer 562, the sliding drawer 562 is pushed to reciprocate, the guiding cylinder 565 is fixedly installed on the feeding hole 522b, the inner diameter is slightly larger than the outer diameter of the oil-containing bearing, the hanging lug 566 is horizontally arranged on the gantry 4, a suspender 567 is vertically arranged between the hanging lug 566 and the pressure bearing plate 522, the upper end of the suspender is movably connected with the hanging lug 566, the lower end of the suspender penetrates through a material guide cylinder 565, an auxiliary pressure block 569 is movably sleeved on the suspender 567 and is used for guiding the oil bearing downwards, the outer diameter of the suspender 567 is slightly smaller than the inner diameter of the bearing and is used for conveying the oil bearing, a material guide 568 is fixedly arranged in a material feeding hole 522c of the pressure bearing plate 522 and is internally provided with a material guide through hole 568a, a material ejecting cylinder 564 is fixedly arranged on the lower bottom surface of the left end of a sliding seat 561, and an output end of the material ejecting cylinder upwards and sequentially and movably penetrates through the material receiving hole 562a and the material guide through hole 568 a.

Claims (8)

1. The utility model provides an oiliness bearing pressure equipment machine, includes rack (1), first frame (2), controlling means (3), portal frame (4), pressure equipment device (5), its characterized in that: the first machine frame (2) is fixedly arranged on the top surface of the machine cabinet (1), the control device (3) is arranged above the front surface of the first machine frame (2) and is electrically connected with the press-mounting device (5), the portal frame (4) is fixedly arranged above the first machine frame (2), and the press-mounting device (5) is arranged in the middle of the first machine frame (2);

the press-fitting device (5) comprises a second rack (51), a third rack (52), a servo press-fitting mechanism (53), a movable press-head mechanism (54), a positioning pressure-bearing mechanism (55) and a feeding mechanism (56), wherein the second rack (51) is arranged above the cabinet (1), the third rack (52) is arranged in the second rack (51), the servo press-fitting mechanism (53) is fixedly arranged on the second rack (51), the movable press-head mechanism (54) is arranged in the middle of the upper part of the third rack (52) and under the servo press-fitting mechanism (53), the positioning pressure-bearing mechanism (55) is arranged in the middle of the third rack (52) and under the movable press-head mechanism (54), and the feeding mechanism (56) is arranged on the third rack (52), is positioned on one side of the positioning pressure-bearing mechanism (55) and is positioned under the movable press-head mechanism (54).

2. The oil-impregnated bearing press-fitting machine according to claim 1, wherein: third frame (52), including bottom plate (521), pressure-bearing plate (522), first compression spring (523), activity clamp plate (524), linear bearing (525), first stand (526), anticreep cap (527), second stand (528), bottom plate (521) is fixed to be installed in second frame (51) bottom, four first stand (526) is fixed to be set up in bottom plate (521) four corners, pressure-bearing plate (522) is fixed to be installed directly over bottom plate (521), is equipped with locating hole (522 a), feed port (522 b), pay-off hole (522 c), oblique protruding end (522 d), activity clamp plate (524) sets up directly over pressure-bearing plate (522), is equipped with activity groove (524 a), slippage groove (524 b), positive protruding end (524 c), four first stand (526) bearing runs through plate (522), activity clamp plate (524), four linear bearing (525) cover is established between activity clamp plate (524) and first stand (524), first stand (526) between pressure-bearing plate (522), activity clamp plate (524) go up first fixed compression spring (523), four first compression spring (527) top sets up respectively on first stand (526) and second stand (521), and the set up on the top of the compression spring (527), four fixed compression spring (521) are equipped with the bottom plate (527), four fixed set up on first stand (521) and prevent the two ends (521), the cover The bearing plate (522) is fixedly connected.

3. The oil-impregnated bearing press-fitting machine according to claim 2, wherein: the lower end of the servo press-fitting mechanism (53) is provided with a press head (531) which is positioned on the same straight line with the positioning hole (522 a).

4. The oil-impregnated bearing press-fitting machine according to claim 2, wherein: remove pressure head mechanism (54), including pressure head mounting panel (541), riveting subassembly (542), fidelity subassembly (543), locking cap (544), slide bar (545), aversion cylinder (546), pressure head mounting panel (541) activity sets up on activity clamp plate (524), pressure head mounting panel (541) middle part is run through downwards and is equipped with riveting subassembly (542), fidelity subassembly (543), riveting subassembly (542) run through activity groove (524 a) downwards, fidelity subassembly (543) set up side by side with riveting subassembly (542), run through activity groove (524 a) downwards, pressure head mounting panel (541) and riveting subassembly (542), the spiro union have locking cap (544) between fidelity subassembly (543), the pressure head mounting panel (541) is fixed respectively all around being equipped with slide bar (545), slide bar (545) run through slide groove (524 b) downwards to remove in slide groove (524 b), install on positive protruding end (524 c) is fixed in aversion cylinder (546), output and pressure head mounting panel (541) fixed connection.

5. The oil-impregnated bearing press-fitting machine according to claim 4, wherein: riveting subassembly (542), including first dabber (5421), riveting pressure head (5422), first dabber (5423), second compression spring (5424), first dabber (5421) are located riveting subassembly (542) center, and upper end and fixed cap (544) spiro union, rivet mouth pressure head (5422) fixed the lower extreme that sets up at first dabber (5421), and the lower extreme is equipped with the throat ring, first dabber (5423) activity cover is established in first dabber (5421) lower part, and the upper end is equipped with the fore shaft ring, second compression spring (5424) activity cover is established on first dabber (5421) upper portion, is located between pressure head mounting panel (541), first dabber (5423), the position that first dabber (5421) are located second compression spring (5424), first dabber (5423) contact is equipped with throat portion (5421 a).

6. The oil-impregnated bearing press-fitting machine according to claim 4, wherein: fidelity subassembly (543), including second dabber (5431), push rod (5432), second core section of thick bamboo (5433), steel ball (5434), advance bulb pipe (5435), third compression spring (5436), second dabber (5431) are located the center of fidelity subassembly (543), upper end and fixed cap (544) spiro union, second core section of thick bamboo (5433) activity cover is established in second dabber (5431) lower part, and the middle part is equipped with hollow inner chamber, and the inner chamber lower extreme is equipped with arc ball seat (5433 a), be equipped with steel ball (5434) in arc ball seat (5433 a), steel ball (5434) and oiliness bearing hole isodiametric, second core section of thick bamboo (5433) bottom is equipped with elasticity and crosses ball hole (5433 b), advance bulb pipe (5435) slant setting on second core section of thick bamboo (5433) one side outer wall, and link up with second core section of thick bamboo (5433) inner chamber, push rod (5432) set up at second core section of thick bamboo (5433) inner chamber center, upper end and second core section of thick bamboo (5431) fixed mounting panel, the lower extreme is connected between second core section of thick bamboo (5431) and the second core section of thick bamboo (5431), the lower extreme compression spring (5431) is located second core section of pressing head (5431) upper portion (5431) and the lower extreme (5431) contact pressure head (5431) and the second core section of pressing head (5431), the lower extreme is equipped with second core section of pressing head (5431) upper portion (5431) and the lower extreme and the contact mounting panel (5431).

7. The oil-impregnated bearing press-fitting machine according to claim 6, wherein: the positioning pressure-bearing mechanism (55) comprises a positioning cylinder (551), a guider (552), an air inlet pipe (5521), a ball outlet pipe (5522), a positioning core (553), a bearing platform (554), a positioning seat (555) and a positioning core shaft (556), wherein the positioning cylinder (551) is fixedly arranged below the pressure-bearing plate (522), the output end of the positioning cylinder is upward, the guider (552) is fixedly arranged above the pressure-bearing plate (522), a cross through hole which penetrates through the pressure-bearing plate from top to bottom and from left to right is formed in the center of the guider, the air inlet pipe (5521) is horizontally arranged on one side of the guider (552) and is connected with a high-pressure air source through an air transmission pipeline, the ball outlet pipe (5522) is horizontally arranged on the other side of the guider (552), the positioning device is characterized by being communicated with an air inlet pipe (5521) and connected with a ball inlet pipe (5435) through a conveying pipeline, a positioning core (553) penetrates through a positioning hole (522 a) and is fixedly arranged between a positioning cylinder (551) and an introducer (552), a bearing platform (554) is fixedly arranged above the introducer (552), a positioning seat (555) is fixedly arranged above the bearing platform (554), a through hole is formed in the center, a fan-shaped opening is formed in one side of the positioning core, the centers of the introducer (552), the bearing platform (554) and the positioning seat (555) are provided with through holes which are communicated up and down, the output end of the positioning cylinder (551) is fixedly connected with the positioning core (553), and a positioning core shaft (556) penetrates through the introducer (552) successively, cushion cap (554), positioning seat (555) center through-hole and connecting rod bearing hole, positioning core axle (556) top and connecting rod bearing hole cooperation.

8. The oil-impregnated bearing press-fitting machine according to claim 2, wherein: the feeding mechanism (56) comprises a sliding seat (561), a sliding drawer (562), a material pushing cylinder (563), a material ejecting cylinder (564), a material guide cylinder (565), a hanging lug (566), a suspender (567), a material guide (568) and an auxiliary pressing block (569), wherein the sliding seat (561) is fixedly arranged on the bottom surface of an inclined convex end (522 d), the upper end of the sliding seat is provided with a groove, the sliding drawer (562) is slidably arranged in the groove of the sliding seat (561), the front end of the sliding seat is provided with a material receiving hole (562 a), the material pushing cylinder (563) is fixedly arranged on the bottom surface of the sliding seat (561), the output end of the sliding seat is rightwards and fixedly connected with the right end of the sliding drawer (562), the sliding drawer (562) is pushed to reciprocate, the feeding cylinder (565) is fixedly arranged on a feeding hole (522 b), the inner diameter of the sliding seat is slightly larger than the outer diameter of an oil bearing, the hanging lug (566) is horizontally arranged on a guide frame (4), the suspender (567) is vertically arranged between the hanging lug (566) and a pressure bearing plate (522), the upper end of the hanging lug is movably connected with the hanging lug (566), the lower end of the pressure bearing block (565) is arranged on the pressure bearing plate (522 b), the pressure bearing plate (568), the pressure bearing plate (522 c) and the lower end of the sliding seat (567) is slightly smaller than the inner diameter of the material guide cylinder (522 a fixed pressure bearing (568), the inner diameter of the pressure bearing plate (567) of the pressure bearing is arranged on the guide plate (567), the guide plate (522 a fixed pressure bearing is slightly smaller than the guide plate (568), the inner diameter of the guide plate (567) of the pressure bearing (567), the output end is upwards and sequentially movably penetrated through the material receiving hole (562 a) and the material guide through hole (568 a).

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