CN114871987A - Anti-deformation device for assembling sealing ring and using method - Google Patents
Anti-deformation device for assembling sealing ring and using method Download PDFInfo
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- CN114871987A CN114871987A CN202210796276.XA CN202210796276A CN114871987A CN 114871987 A CN114871987 A CN 114871987A CN 202210796276 A CN202210796276 A CN 202210796276A CN 114871987 A CN114871987 A CN 114871987A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/0028—Tools for removing or installing seals
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C43/00—Assembling bearings
- F16C43/04—Assembling rolling-contact bearings
- F16C43/045—Mounting or replacing seals
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Abstract
The invention discloses an anti-deformation device for assembling a sealing ring, which comprises a base, wherein a rack is fixedly arranged on the base, a gear ring is rotatably arranged on the upper surface of the base, at least six assembling seats are fixedly arranged on the upper surface of the gear ring, a bearing is arranged on each assembling seat, a sealing ring is arranged at the upper end of each bearing, a hydraulic cylinder is fixedly arranged at the top end inside the rack, a pressing plate is fixedly connected with the extending end of each hydraulic cylinder, and sliding blocks are fixedly connected with the two ends of each pressing plate. In the use process of the invention, the bearing needing to be assembled with the sealing ring is placed on the assembling seat, the pressing plate moves downwards to extrude the piston pipe, so that the second piston plate moves downwards, the negative pressure can be generated in the piston cavity above the second piston, and the air between the inner ring body and the outer ring body on the bearing is absorbed through the negative pressure pipe, so that the sealing ring can be adsorbed on the bearing, and the phenomenon of deformation caused by deflection of the sealing ring in the assembling process is avoided.
Description
Technical Field
The invention relates to the technical field related to sealing ring assembly, in particular to an anti-deformation device for sealing ring assembly and a using method thereof.
Background
The rolling bearing generally comprises an outer ring, an inner ring, a rolling body, a retainer, a sealing ring and a lubricant, wherein the sealing ring plays an important role in the performance and the service life of the bearing, and the sealing ring needs to be pressed into a corresponding groove in the assembling process of the bearing.
The assembly of the existing sealing ring mostly adopts manual assembly, the efficiency is low, and some adopt corresponding devices to assemble, such as the publication number: CN212318560U patent of chinese utility model, "including a base, a ring-shaped protrusion, a spring, a supporting cylinder, a stamping plate, and a stamping head; the base is fixed on a stamping platform of the stamping machine and is positioned right below a main shaft of the stamping machine, and the center of the top of the base is concave inwards to form a first cylindrical hole; the annular bulge is fixed at the top of the base, the inner side wall of the annular bulge is aligned with one inner side surface of the cylindrical hole, and the annular bulge can be inserted into a sealing groove of the rolling bearing; the spring is vertically arranged in the base; the supporting cylinder is positioned right above the spring and can sleeve the inner ring of the rolling bearing on the outer side of the supporting cylinder, and the sealing groove of the rolling bearing is right opposite to the annular convex part after the inner ring of the rolling bearing is sleeved on the outer side of the supporting cylinder; when carrying out the punching press fit, do not carry out preliminary location to the sealing washer on the bearing, appear easily when the punching press because of the phenomenon that the sealing washer skew leads to the bearing to warp, simultaneously to bearing one side assembly back, need take off the bearing, assemble the bearing another side again, and go up the in-process of unloading, can not carry out the punching press assembly in succession, inefficiency influences the use.
Disclosure of Invention
The invention aims to provide an anti-deformation device for assembling a sealing ring and a using method thereof, and aims to solve the technical problems that when the sealing ring is punched and assembled in the prior art, the sealing ring is not preliminarily positioned on a bearing, the bearing is easy to deform due to the deviation of the sealing ring during punching, and meanwhile, after one surface of the bearing is assembled, the bearing needs to be taken down, the other surface of the bearing needs to be assembled, and in the feeding and discharging process, continuous punching and assembling cannot be performed, so that the efficiency is low, and the use is influenced.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides an anti-deformation device is used in sealing washer assembly, includes the base, fixed mounting has the frame on the base, surface rotation installs the ring gear on the base, fixed surface installs on the ring gear is no less than six assembly seats, the bearing has been placed on the assembly seat, the sealing washer has been placed to the bearing upper end, the inside top fixed mounting of frame has the pneumatic cylinder, the extension end fixedly connected with clamp plate of pneumatic cylinder, the equal fixedly connected with slider in clamp plate both ends, set up in the frame and put the spout that matches with the slider, be provided with negative pressure positioning mechanism on the assembly seat.
As further preferable in the present technical solution: negative pressure positioning mechanism is including setting up the piston chamber in the assembly seat is inside, piston chamber inside slidable mounting has the second piston board, second piston board upper end fixed mounting has the piston pipe, piston pipe one end extends to the assembly seat outside, be provided with reset spring between second piston board upper surface and the piston chamber inside top.
As further preferable in the present technical solution: one side of the piston cavity is connected with a negative pressure pipe, one end of the negative pressure pipe is communicated with the interior of the piston cavity, the other end of the negative pressure pipe extends to the upper end of the assembling seat, the upper end of the negative pressure cavity is provided with an air outlet, and the air outlet and the interior of the negative pressure pipe are respectively provided with a one-way valve.
As further preferable in the present technical solution: the assembling seat is provided with an annular positioning seat, the bearing is placed inside the annular positioning seat, two side walls inside the annular positioning seat are provided with expansion air bags, and the expansion air bags are in contact with two sides of the bearing.
As further preferable in the present technical solution: the piston cavity is internally provided with a first piston plate which is positioned below a second piston plate, one side of the piston cavity is connected with a gas pipe, one end of the gas pipe is communicated with the inside of a cavity formed between the first piston plate and the second piston plate, and the other end of the gas pipe is communicated with the inside of the expansion airbag.
As further preferable in the present technical solution: be provided with reset spring between first piston plate lower surface and the piston cavity inside bottom, fixed mounting has fixed trachea on the first piston plate, fixed trachea bottom and piston cavity inside intercommunication, fixed trachea top extends to the piston intraduct and in piston pipe sliding connection.
As further preferable in the present technical solution: the clamp plate lower surface is provided with annular seat, the inside annular trachea that is provided with of annular seat, annular seat central point is provided with circular spacing seat, the inside spacing chamber that matches with the piston tube that is provided with of circular spacing seat, spacing chamber passes through pipeline and the inside intercommunication of annular trachea, annular seat lower surface is provided with the gas vent, gas vent and the inside intercommunication of annular trachea.
As further preferable in the present technical solution: the rack is characterized in that a rotating shaft is rotatably installed on one side wall of the rack, a special-shaped gear is fixedly connected to one end of the rotating shaft, the special-shaped gear is intermittently meshed with a gear ring, and one end of the rotating shaft extends into the rack and is fixedly connected with an eccentric wheel.
As further preferable in the present technical solution: the eccentric wheel is movably connected with a push rod, and one end of the push rod extends upwards and is movably connected with a slide block extending into the rack.
The use method of the deformation preventing device for assembling the sealing ring comprises the following steps:
step 1: placing a bearing needing to be provided with a sealing ring in an annular positioning seat on an assembly seat, and simultaneously placing the sealing ring at a corresponding position of the upper end of the bearing;
step 2: then a hydraulic cylinder is started to push the pressing plate to move downwards, the pressing plate moves downwards to push the piston pipe to move downwards, so that the second piston plate moves downwards, negative pressure is generated in the part, located above the second piston plate, in the piston cavity, air between the inner ring body and the outer ring body on the bearing is absorbed through the negative pressure pipe, and therefore negative pressure adsorption can be carried out on the sealing ring located at the corresponding position of the upper end of the bearing, and the sealing ring is preliminarily positioned;
and step 3: when the second piston plate moves downwards, airflow between the second piston plate and the first piston plate is extruded out and sent into the expansion air bag, and the expansion air bag can extrude and seal the outer ring wall and the inner ring wall of the bearing close to the bottom when expanding;
and 4, step 4: when the second piston plate moves downwards, the second piston plate can be used for pushing the first piston plate to synchronously move downwards, meanwhile, air flow below the first piston plate is extruded out and is sent into the piston pipe through the fixed air pipe, at the moment, the air flow in the piston pipe enters the annular air pipe through the limiting cavity, and the air flow in the annular air pipe is exhausted through the air exhaust port and blown to the surface of the sealing ring;
and 5: after the pressing assembly is finished, when the pressing plate moves upwards, the special-shaped gear rotates and is meshed with the gear ring to rotate by a certain angle, the next group of bearings and the assembling seat which need to be pressed and assembled are moved to the lower portion of the pressing plate, and continuous pressing assembly work is carried out.
The invention has the beneficial effects that:
1. according to the invention, the negative pressure positioning mechanism is arranged, the bearing needing to be provided with the sealing ring is placed on the assembly seat, the sealing ring is placed at the corresponding position on the bearing, then the pressing plate is pushed by the hydraulic cylinder to move downwards, the pressing plate moves downwards to extrude the piston pipe, so that the second piston plate moves downwards, the negative pressure can be generated in the piston cavity above the second piston, air between the inner ring body and the outer ring body on the bearing is absorbed through the negative pressure pipe, the negative pressure is generated, the sealing ring can be adsorbed on the bearing, the primary positioning is carried out on the sealing ring, and the phenomenon that the sealing ring deflects to cause deformation in the assembly process is avoided.
2. According to the invention, the annular positioning seat is arranged, a bearing needing to be provided with the sealing ring can be placed in the annular positioning seat, and when the hydraulic cylinder pushes the pressing plate to move downwards and press the piston pipe downwards, airflow between the first piston plate and the second piston plate can be extruded and sent into the expansion air bag through the air delivery pipe, and the expansion of the expansion air bag is utilized to extrude and seal the inner side and the outer side of the bearing placed on the annular positioning seat, so that the sealing property of the outer side of the bearing can be increased, the effect of adsorbing the sealing ring by negative pressure can be ensured to be good, the sealing ring can be better adsorbed and positioned, and the deformation during assembly can be avoided.
3. According to the invention, by arranging the annular positioning seat, the expansion of the expansion air bag in the annular positioning seat can be utilized to clamp and position the bearing to be assembled with the sealing ring, so that the adsorption sealing property is increased, the effect of limiting the bearing is achieved, the bearing is prevented from being deviated when the sealing ring is assembled in a pressing manner, the assembly precision of the sealing ring is improved, and the use is convenient.
4. According to the invention, by arranging the second piston plate, when the first piston plate moves downwards and extrudes the second piston plate, the air flow below the second piston plate can be extruded out and discharged through the fixed air pipe and sent into the annular air pipe in the annular seat, and then the air is discharged through the air outlet on the annular air pipe and blown to the sealing ring, so that particle impurities on the surface of the sealing ring to be assembled are blown away, the assembly work is prevented from being influenced because the particle impurities are attached to the sealing ring, and the assembly stability of the sealing ring is improved.
5. According to the invention, the special-shaped gear is arranged and fixedly connected with the rotating shaft, when the pressing plate moves downwards, the sliding block can push the eccentric wheel to rotate through the push rod, so that the rotating shaft rotates, the special-shaped gear rotates and is not meshed with the gear ring, when the pressing plate moves upwards, the special-shaped gear rotates and is meshed with the gear ring, so that the gear ring can rotate for a certain angle, the next group of bearings and assembling seats to be assembled are moved to the lower part of the pressing plate, the continuous assembling work is avoided, the assembling efficiency is high, and the use is convenient.
Drawings
Fig. 1 is a schematic overall structure diagram of a deformation prevention device for assembling a seal ring according to the present invention;
fig. 2 is a schematic rear view of the deformation preventing device for assembling the sealing ring according to the present invention;
fig. 3 is a plan view of a deformation preventing device for assembling a seal ring according to the present invention;
fig. 4 is a front view of a deformation preventing device for assembling a seal ring according to the present invention;
fig. 5 is a left side view of a deformation preventing device for assembling a seal ring according to the present invention;
FIG. 6 is a sectional view of a front view of the deformation preventing device for assembling a sealing ring according to the present invention;
fig. 7 is a partial structural schematic view of the deformation preventing device for assembling a seal ring according to the present invention shown in fig. 6;
fig. 8 is an enlarged view of a portion a of the structure of the deformation preventing device for assembling the sealing ring according to the present invention in fig. 6;
fig. 9 is an enlarged view of a part B of the anti-deformation device for assembling the sealing ring according to the present invention in fig. 7;
fig. 10 is a bottom view of a pressing plate of the deformation preventing device for assembling the sealing ring according to the present invention;
FIG. 11 is a flow chart of a method for using the deformation preventing device for assembling the sealing ring according to the present invention;
reference numerals: 1. a base; 2. a frame; 3. a hydraulic cylinder; 4. pressing a plate; 5. a toothed ring; 6. assembling a seat; 7. a piston tube; 8. a special-shaped gear; 9. a rotating shaft; 10. a bearing; 11. a seal ring; 12. an annular seat; 13. a push rod; 14. an eccentric wheel; 15. a first piston plate; 16. fixing the air pipe; 17. a second piston plate; 18. an annular air pipe; 19. a circular limiting seat; 20. a limiting cavity; 21. an exhaust port; 22. a negative pressure tube; 23. an air outlet; 24. a gas delivery pipe; 25. a slider; 26. inflating the balloon; 27. annular positioning seat.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easily understood, the invention is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.
Specific embodiments of the present invention are described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1, 6, 7 and 9, the anti-deformation device for assembling the sealing ring comprises a base 1, wherein a rack 2 is fixedly installed on the base 1, a toothed ring 5 is rotatably installed on the upper surface of the base 1, at least six assembling seats 6 are fixedly installed on the upper surface of the toothed ring 5, a bearing 10 is placed on each assembling seat 6, a sealing ring 11 is placed at the upper end of each bearing 10, a hydraulic cylinder 3 is fixedly installed at the top end inside the rack 2, a pressing plate 4 is fixedly connected with an extending end of each hydraulic cylinder 3, sliding blocks 25 are fixedly connected at two ends of each pressing plate 4, a sliding groove matched with each sliding block 25 is formed in the rack 2, and a negative pressure positioning mechanism is arranged on each assembling seat 6;
the negative pressure positioning mechanism comprises a piston cavity arranged in the assembling seat 6, a second piston plate 17 is slidably arranged in the piston cavity, a piston pipe 7 is fixedly arranged at the upper end of the second piston plate 17, one end of the piston pipe 7 extends to the outside of the assembling seat 6, and a return spring is arranged between the upper surface of the second piston plate 17 and the top end of the inner part of the piston cavity; one side of the piston cavity is connected with a negative pressure pipe 22, one end of the negative pressure pipe 22 is communicated with the inside of the piston cavity, the other end of the negative pressure pipe 22 extends to the upper end of the assembling seat 6, the upper end of the negative pressure cavity is provided with an air outlet 23, and the air outlet 23 and the inside of the negative pressure pipe 22 are both provided with a one-way valve;
in the working process, the bearing 10 to be assembled can be placed on the assembly seat 6, then the hydraulic cylinder 3 can be used for extension, the pressing plate 4 can be pushed to move downwards while the hydraulic cylinder 3 is extended, the piston pipe 7 can be pushed to move downwards while the pressing plate 4 moves downwards, so that the second piston plate 17 can move downwards, the part, positioned above the second piston plate 17, in the piston cavity can generate negative pressure while the second piston plate 17 moves downwards, so that air between the inner ring body and the outer ring body on the bearing 10 can be absorbed through the negative pressure pipe 22, negative pressure is generated between the inner ring body and the outer ring body of the bearing 10, so that the sealing ring 11 positioned at the corresponding position at the upper end of the bearing 10 can be subjected to negative pressure adsorption, the sealing ring 11 is preliminarily embedded into a gap between the inner ring body and the outer ring body of the bearing 10, the primary positioning of the sealing ring 11 can be avoided when the sealing ring 11 is pressed and assembled, the phenomenon of deformation of pressing assembly caused by the inclined placement of the sealing ring 11 is avoided, and the effect of pressing and assembling the sealing ring 11 is improved;
and when the second piston plate 17 moves up, the air flow above the second piston plate 17 can be discharged through the air outlet 23, wherein the air outlet 23 and the flow direction of the one-way valve in the negative pressure pipe 22 are arranged in a reverse direction, so that the air backflow can be avoided, and the negative pressure adsorption positioning effect on the sealing ring 11 is good.
Example 2
As shown in fig. 7 and 9, an annular positioning seat 27 is provided on the assembly seat 6, the bearing 10 is placed inside the annular positioning seat 27, two side walls inside the annular positioning seat 27 are provided with expansion airbags 26, and the expansion airbags 26 are in contact with two sides of the bearing 10; a first piston plate 15 is arranged in the piston cavity, the first piston plate 15 is positioned below a second piston plate 17, one side of the piston cavity is connected with an air conveying pipe 24, one end of the air conveying pipe 24 is communicated with the cavity formed between the first piston plate 15 and the second piston plate 17, and the other end of the air conveying pipe 24 is communicated with the interior of an expansion air bag 26; during operation, when the second piston plate 17 is displaced downwards under pressure, the air flow between the second piston plate 17 and the first piston plate 15 may be forced out, and is sent into the expansion air bag 26 through the air pipe 24, and the expansion air bag 26 can extrude and seal the outer ring wall and the inner ring wall of the bearing 10 close to the bottom when expanding, on one hand, the outer ring wall and the inner ring wall of the bearing 10 close to the bottom can be sealed, the positioning effect of negative pressure adsorption to the sealing ring 11 is increased, on the other hand, the expansion air bag 26 can be utilized to extrude and fix the bearing 10, can increase the stability of the bearing 10, avoid the bearing 10 from deviating when the sealing ring 11 is pressed and assembled, increase the stability of the assembly of the sealing ring 11, therefore, the assembly effect is good, and the phenomenon that the sealing ring 11 deforms during pressing assembly due to the deflection of the bearing 10 is avoided.
Example 3
As shown in fig. 7, 8 and 10, a return spring is disposed between the lower surface of the first piston plate 15 and the bottom end of the interior of the piston cavity, a fixed air tube 16 is fixedly mounted on the first piston plate 15, the bottom end of the fixed air tube 16 is communicated with the interior of the piston cavity, and the top end of the fixed air tube 16 extends into the piston tube 7 and is slidably connected with the piston tube 7; the lower surface of the pressure plate 4 is provided with an annular seat 12, an annular air pipe 18 is arranged inside the annular seat 12, a circular limiting seat 19 is arranged at the central part of the annular seat 12, a limiting cavity 20 matched with the piston pipe 7 is arranged inside the circular limiting seat 19, the limiting cavity 20 is communicated with the inside of the annular air pipe 18 through a pipeline, the lower surface of the annular seat 12 is provided with an air outlet 21, and the air outlet 21 is communicated with the inside of the annular air pipe 18; in the working process, when the second piston plate 17 moves downwards under the pushing action of the piston tube 7, the second piston plate 17 can be used to push the first piston plate 15 to move downwards synchronously, at this time, one end of the air delivery pipe 24 is blocked by the second piston plate 17, and the first piston plate 15 moves downwards, and simultaneously, the return spring below the first piston plate 15 can be compressed, and simultaneously, the air flow below the first piston plate 15 is extruded and sent into the piston tube 7 through the fixed air pipe 16, at this time, the top end of the piston tube 7 is positioned in the limit cavity 20 in the circular limit seat 19, so that the air flow inside the piston tube 7 enters the limit cavity 20, and simultaneously, the air flow inside the limit cavity 20 is sent into the annular air pipe 18 through the pipeline, the air flow inside the annular air pipe 18 discharges the air flow through the air outlet 21 and blows the air flow to the surface of the seal ring 11, and blows off particle impurities on the surface of the seal ring 11 to be assembled, the influence on the assembly work due to the attachment of particle impurities on the sealing ring 11 is avoided, and the stability of the assembly of the sealing ring 11 is improved.
Example 4
As shown in fig. 2, 3, 4 and 5, a rotating shaft 9 is rotatably mounted on one side wall of the frame 2, one end of the rotating shaft 9 is fixedly connected with a special-shaped gear 8, the special-shaped gear 8 is intermittently meshed with the gear ring 5, and one end of the rotating shaft 9 extends into the frame 2 and is fixedly connected with an eccentric wheel 14; a push rod 13 is movably connected to the eccentric wheel 14, and one end of the push rod 13 extends upwards and is movably connected with a slide block 25 extending to the inside of the frame 2; in the working process, when the pressing plate 4 moves downwards, the sliding block 25 can be driven to synchronously move downwards, the sliding block 25 can simultaneously drive the push rod 13 to move downwards, the push rod 13 can simultaneously drive the eccentric wheel 14 to rotate when moving downwards, the eccentric wheel 14 simultaneously drives the rotating shaft 9 to rotate when rotating, the rotating shaft 9 simultaneously drives the special-shaped gear 8 to synchronously rotate, and when the pressing plate 4 moves downwards, the special-shaped gear 8 rotates without being meshed with the toothed ring 5; after the pressing assembly is finished, when the pressing plate 4 moves upwards, the special-shaped gear 8 rotates and is meshed with the gear ring 5 to rotate by a certain angle, and the next group of bearings 10 and the assembling seat 6 which need to be pressed and assembled are moved to the position below the pressing plate 4, so that the continuous pressing assembly work can be carried out, and the assembly efficiency is high.
Example 5
As shown in fig. 11, the method for using the deformation preventing device for assembling the sealing ring comprises the following steps:
step 1: placing the bearing 10 to be assembled with the sealing ring 11 in the annular positioning seat 27 on the assembling seat 6, and simultaneously placing the sealing ring 11 on the corresponding position of the upper end of the bearing 10;
step 2: then, the hydraulic cylinder 3 is started to push the pressing plate 4 to move downwards, the pressing plate 4 moves downwards to push the piston pipe 7 to move downwards, so that the second piston plate 17 moves downwards, negative pressure is generated in the part, located above the second piston plate 17, in the piston cavity, air between the inner ring body and the outer ring body on the bearing 10 is absorbed through the negative pressure pipe 22, and therefore negative pressure adsorption can be carried out on the sealing ring 11 located at the corresponding position of the upper end of the bearing 10, and the sealing ring 11 is preliminarily positioned;
and step 3: the second piston plate 17 moves downwards, meanwhile, the air flow between the second piston plate 17 and the first piston plate 15 is extruded and sent into the expansion air bag 26, and the outer ring wall and the inner ring wall of the bearing 10 close to the bottom can be extruded and sealed when the expansion air bag 26 expands;
and 4, step 4: when the second piston plate 17 moves downwards, the second piston plate 17 can be used for pushing the first piston plate 15 to move downwards synchronously, meanwhile, the air flow below the first piston plate 15 is extruded and sent into the piston tube 7 through the fixed air tube 16, at this time, the air flow inside the piston tube 7 enters the annular air tube 18 through the limiting cavity 20, and the air flow inside the annular air tube 18 is exhausted through the air exhaust port 21 and blows the air flow to the surface of the sealing ring 11;
and 5: after the pressing assembly is finished, when the pressing plate 4 moves upwards, the special-shaped gear 8 rotates and is meshed with the gear ring 5 to rotate for a certain angle, the next group of bearings 10 and the assembling seat 6 which need to be pressed and assembled are moved to the position below the pressing plate 4, and continuous pressing assembly work is carried out.
The working principle is as follows: the bearing 10 to be assembled with the sealing ring 11 can be placed in the annular positioning seat 27 on the assembling seat 6, the sealing ring 11 is placed at the corresponding position of the upper end of the bearing 10, then the hydraulic cylinder 3 is started to push the pressing plate 4 to move downwards, the pressing plate 4 moves downwards and simultaneously drives the annular seat 12 to move downwards synchronously, when the pressing plate 4 moves downwards to a certain position, the pressing plate is abutted against the piston tube 7, at the moment, the top end of the piston tube 7 is positioned in the limiting cavity 20 in the circular limiting seat 19, the pressing plate 4 moves downwards to push the piston tube 7 to move downwards, so that the second piston plate 17 can move downwards, when the second piston plate 17 moves downwards, the part in the piston cavity above the second piston plate 17 can generate negative pressure, so that air between the inner ring body and the outer ring body on the bearing 10 can be absorbed through the negative pressure tube 22, negative pressure is generated between the inner ring body and the outer ring body of the bearing 10, and the sealing ring 11 at the corresponding position of the upper end of the bearing 10 can be absorbed by negative pressure, the seal ring 11 is preliminarily embedded into a gap between the inner ring body and the outer ring body of the bearing 10, the seal ring 11 is preliminarily positioned, the phenomenon that the seal ring 11 deforms in pressing assembly due to the fact that the seal ring 11 is placed obliquely when the seal ring 11 is pressed and assembled can be avoided, and the effect of pressing and assembling the seal ring 11 is improved; the second piston plate 17 moves downwards under the action of pressure, meanwhile, the air flow between the second piston plate 17 and the first piston plate 15 can be extruded out and is sent into the expansion air bag 26 through the air conveying pipe 24, and the expansion air bag 26 can extrude and seal the outer ring wall and the inner ring wall of the bearing 10 close to the bottom while expanding, on one hand, the outer ring wall and the inner ring wall of the bearing 10 close to the bottom can be sealed, the positioning effect of negative pressure adsorption on the sealing ring 11 is increased, on the other hand, the bearing 10 can be extruded and fixed by the expansion air bag 26, the stability of the bearing 10 can be increased, the bearing 10 is prevented from being deviated when the sealing ring 11 is pressed and assembled, the assembling stability of the sealing ring 11 is increased, the assembling effect is good, and the phenomenon that the sealing ring 11 is deformed when the sealing ring 11 is pressed and assembled due to the deviation of the bearing 10 is avoided; when the second piston plate 17 moves downwards under the pushing action of the piston pipe 7, the second piston plate 17 can be used for pushing the first piston plate 15 to move downwards synchronously, and at the moment, one end of the air conveying pipe 24 is blocked by the second piston plate 17; the return spring below the first piston plate 15 can be compressed while the first piston plate 15 moves downwards, meanwhile, the air flow below the first piston plate 15 is extruded and sent into the piston tube 7 through the fixed air tube 16, at the moment, the top end of the piston tube 7 is located in the limiting cavity 20 in the circular limiting seat 19, so that the air flow inside the piston tube 7 enters the limiting cavity 20, meanwhile, the air flow inside the limiting cavity 20 is sent into the annular air tube 18 through a pipeline, the air flow inside the annular air tube 18 discharges the air flow through the air outlet 21 and blows the air flow to the surface of the sealing ring 11, particle impurities on the surface of the sealing ring 11 to be assembled are blown away, the phenomenon that the assembly work is influenced due to the fact that the particle impurities are attached to the sealing ring 11 is avoided, and the assembly stability of the sealing ring 11 is improved; when the pressing plate 4 moves downwards, the sliding block 25 can be driven to synchronously move downwards, the sliding block 25 can push the push rod 13 to move downwards when moving downwards, the push rod 13 can push the eccentric wheel 14 to rotate when moving downwards, the eccentric wheel 14 drives the rotating shaft 9 to rotate when rotating, the rotating shaft 9 drives the special-shaped gear 8 to synchronously rotate when rotating, and when the pressing plate 4 moves downwards, the special-shaped gear 8 does not mesh with the toothed ring 5 when rotating; after the pressing assembly is finished, when the pressing plate 4 moves upwards, the special-shaped gear 8 rotates and is meshed with the gear ring 5 to rotate for a certain angle, and the next group of bearings 10 and the assembling seat 6 which need to be pressed and assembled are moved to the position below the pressing plate 4, so that the continuous pressing assembly work can be carried out, and the high assembly efficiency is ensured; when the pressure plate 4 moves upwards, the second piston plate 17 and the first piston plate 15 move upwards and reset in sequence under the action of the reset spring, and when the second piston plate 17 moves upwards, the airflow above the second piston plate 17 can be discharged through the air outlet 23, wherein the air outlet 23 and the flow direction of the one-way valve in the negative pressure pipe 22 are arranged in a reverse direction, so that the backflow of the air can be avoided; meanwhile, the second piston plate 17 moves upwards, so that the air in the expansion air bag 26 can be pumped out through the air conveying pipe 24, and the assembled sealing ring 11 can be taken out; after the sealing ring 11 is assembled on one surface of the bearing 10, the bearing 10 can be taken out, turned over and placed on the assembling seat 6, the other surface is assembled, and the assembling work of other bearings 10 is not influenced when the bearing 10 is taken down, so that the assembling efficiency is high.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a sealing washer is anti-deformation device for assembly, includes base (1), its characterized in that: fixed mounting has frame (2) on base (1), base (1) upper surface rotates and installs ring gear (5), fixed surface installs and is no less than six assembly seats (6) on ring gear (5), bearing (10) have been placed on assembly seat (6), sealing washer (11) have been placed to bearing (10) upper end, the inside top fixed mounting of frame (2) has pneumatic cylinder (3), the extension end fixedly connected with clamp plate (4) of pneumatic cylinder (3), the equal fixedly connected with slider (25) in clamp plate (4) both ends, set up in frame (2) and put the spout that matches with slider (25), be provided with negative pressure positioning mechanism on assembly seat (6).
2. The deformation preventing device for the assembling of the sealing ring according to claim 1, wherein: negative pressure positioning mechanism is including setting up the piston chamber in assembly seat (6) inside, piston chamber inside slidable mounting has second piston board (17), second piston board (17) upper end fixed mounting has piston pipe (7), piston pipe (7) one end extends to assembly seat (6) outside, be provided with reset spring between second piston board (17) upper surface and the piston chamber inside top.
3. The deformation preventing device for the assembling of the sealing ring according to claim 2, wherein: piston chamber one side is connected with negative pressure pipe (22), negative pressure pipe (22) one end and the inside intercommunication of piston chamber, negative pressure pipe (22) other end extends to assembly seat (6) upper end, negative pressure chamber upper end is seted up and is put gas outlet (23), gas outlet (23) and negative pressure pipe (22) inside all are provided with the check valve.
4. The deformation preventing device for the assembling of the sealing ring according to claim 2, wherein: the bearing assembling device is characterized in that an annular positioning seat (27) is arranged on the assembling seat (6), the bearing (10) is placed inside the annular positioning seat (27), expansion air bags (26) are arranged on two side walls inside the annular positioning seat (27), and the expansion air bags (26) are in contact with two sides of the bearing (10).
5. The deformation preventing device for the assembling of the sealing ring according to claim 4, wherein: piston intracavity portion is provided with first piston plate (15), first piston plate (15) are located second piston plate (17) below, piston chamber one side is connected with air-supply pipe (24), the inside intercommunication of cavity that forms between air-supply pipe (24) one end and first piston plate (15) and second piston plate (17), the air-supply pipe (24) other end and inflation gasbag (26) inside intercommunication.
6. The deformation preventing device for the assembly of the seal ring according to claim 5, wherein: be provided with reset spring between first piston plate (15) lower surface and the piston cavity inside bottom, fixed mounting has fixed trachea (16) on first piston plate (15), fixed trachea (16) bottom and piston cavity inside intercommunication, fixed trachea (16) top extends to inside and in piston tube (7) sliding connection of piston tube (7).
7. The deformation preventing device for the assembling of the sealing ring according to claim 6, wherein: the lower surface of the pressing plate (4) is provided with an annular seat (12), an annular air pipe (18) is arranged inside the annular seat (12), a circular limiting seat (19) is arranged at the center of the annular seat (12), a limiting cavity (20) matched with the piston pipe (7) is arranged inside the circular limiting seat (19), the limiting cavity (20) is communicated with the annular air pipe (18) through a pipeline, an air outlet (21) is arranged on the lower surface of the annular seat (12), and the air outlet (21) is communicated with the annular air pipe (18) inside.
8. The deformation preventing device for the assembling of the sealing ring according to claim 1, wherein: the utility model discloses a rack, including frame (2), rotation axis (9) one end fixedly connected with dysmorphism gear (8), dysmorphism gear (8) and ring gear (5) intermittent type nature meshing, rotation axis (9) one end extends to inside and fixedly connected with eccentric wheel (14) of frame (2).
9. The deformation preventing device for the assembling of the sealing ring according to claim 8, wherein: a push rod (13) is movably connected to the eccentric wheel (14), and one end of the push rod (13) extends upwards and is movably connected with a sliding block (25) extending into the frame (2).
10. A method for using the deformation preventing device for assembling the seal ring according to any one of claims 1 to 9, comprising the steps of:
step 1: placing a bearing (10) needing to be provided with a sealing ring (11) in an annular positioning seat (27) on an assembling seat (6), and simultaneously placing the sealing ring (11) on a corresponding position at the upper end of the bearing (10);
step 2: starting a hydraulic cylinder (3) to push a pressure plate (4) to move downwards, moving downwards the pressure plate (4) to push a piston pipe (7) to move downwards, so that a second piston plate (17) moves downwards, generating negative pressure in a part, positioned above the second piston plate (17), in a piston cavity, and absorbing air between an inner ring body and an outer ring body on a bearing (10) through a negative pressure pipe (22), so that negative pressure adsorption can be performed on a sealing ring (11) positioned at a corresponding position of the upper end of the bearing (10), and the sealing ring (11) is preliminarily positioned;
and step 3: the second piston plate (17) moves downwards, meanwhile, air flow between the second piston plate (17) and the first piston plate (15) is extruded out and sent into the expansion air bag (26), and the outer ring wall and the inner ring wall of the bearing (10) close to the bottom can be squeezed and sealed when the expansion air bag (26) expands;
and 4, step 4: when the second piston plate (17) moves downwards, the second piston plate (17) can be used for pushing the first piston plate (15) to synchronously move downwards, meanwhile, air flow below the first piston plate (15) 15 is extruded and sent into the piston tube (7) through the fixed air tube (16), at the moment, the air flow inside the piston tube (7) enters the annular air tube (18) through the limiting cavity (20), and the air flow inside the annular air tube (18) is exhausted through the air exhaust port (21) and blows towards the surface of the sealing ring (11);
and 5: after the pressing assembly is finished, when the pressing plate (4) moves upwards, the special-shaped gear (8) rotates and is meshed with the gear ring (5) to rotate for a certain angle, the next group of bearings (10) and the assembling seat (6) which need to be pressed and assembled are moved to the position below the pressing plate (4), and continuous pressing assembly work is carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210796276.XA CN114871987A (en) | 2022-07-07 | 2022-07-07 | Anti-deformation device for assembling sealing ring and using method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210796276.XA CN114871987A (en) | 2022-07-07 | 2022-07-07 | Anti-deformation device for assembling sealing ring and using method |
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| CN114871987A true CN114871987A (en) | 2022-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210796276.XA Pending CN114871987A (en) | 2022-07-07 | 2022-07-07 | Anti-deformation device for assembling sealing ring and using method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115625524A (en) * | 2022-12-21 | 2023-01-20 | 江苏宏程重工有限公司 | Liquefied petroleum gas cylinder relief valve equipment |
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| WO2019077214A1 (en) * | 2017-10-20 | 2019-04-25 | Psa Automobiles Sa | Method using negative pressure for protected mounting of a seal with inner lip on a shaft |
| US20200368888A1 (en) * | 2018-02-13 | 2020-11-26 | Abb Schweiz Ag | Apparatuses and methods for separating, feeding and mounting o-rings |
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