CN101725815B - Oil seal pressure injecting device - Google Patents
Oil seal pressure injecting device Download PDFInfo
- Publication number
- CN101725815B CN101725815B CN2008102329499A CN200810232949A CN101725815B CN 101725815 B CN101725815 B CN 101725815B CN 2008102329499 A CN2008102329499 A CN 2008102329499A CN 200810232949 A CN200810232949 A CN 200810232949A CN 101725815 B CN101725815 B CN 101725815B
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- pressure head
- oil
- lubricating grease
- driving
- circuit
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Abstract
The invention relates to an oil seal pressure injecting device, comprising a pressure sealing machine and a driving oil circuit; wherein the output terminal of the driving oil circuit drives the pressure head of the pressure sealing machine to operate, the inner cavity of the pressure head is filled with lubricating grease. The oil seal pressure injecting device is characterized in that the inner cavity of the pressure head is connected at the lubricating grease output terminal of an assistant cylinder by a pipeline, the input terminal of the assistant cylinder is connected with a driving gas circuit, the driving gas circuit is connected with a control circuit, the control circuit is provided with a driving switch, the driving switch is composed of a stop iron and a lower stop dog, the stop iron is fixed on the pressure head, and the lower stop dog is arranged at the pedestal of the pressure sealing machine. The invention has the remarkable effects that automatic injecting of lubricating grease for oil seal is realized, operation is convenient, speed of injecting lubricating grease is rapid, and working efficiency is high; manual operation is reduced, and safety is good; lubricating grease is uniformly coated, so as to guarantee that lubricating effect is favourable; and a time relay is used for control lubricating grease injecting amount precisely, so that lubricating grease can not spill.
Description
Technical field
The invention belongs to technical field of tooling clamps, specifically, relate to a kind of for the oil seal pressure injecting device of oil seal lip automatic pressure casting lubricating grease.
Background technique
Oil sealing is the mechanical component that is used for realizing seal oil, and it prevents oil seepage with needing the lubricated parts and the parts of exerting oneself to isolate in the transmission part.For preventing that effectively oil sealing major-minor lip is scratched, weares and teares, and generally need smear lubricating grease before assembling on oil seal lip.
The inventor discloses a kind of oil sealing filling apparatus to above problem, and promptly a kind of engine oil seal lip grease adding device, number of patent application are 200710092835.4.Comprise the press seal machine and drive oil circuit; The output terminal that wherein drives oil circuit drives piston stroking upward in the press seal machine or descending, and piston drives pressure head work, suit oil sealing on the pressure head through push rod; The base that cooperates the press seal machine; Realization is scratched, weares and teares for preventing oil sealing master lip effectively the encapsulation of oil sealing, generally before assembling, need on oil seal lip, smear lubricating grease.For this reason; In the open upper end of pressure head inner chamber, the inner chamber of pressure head is filled with lubricating grease, circumferentially is distributed with pilot hole on the sidewall of this pressure head bottom; This pilot hole makes the pressure head inner chamber communicate with the external world; The push rod of press seal machine stretches into the pressure head inner chamber and pushes lubricating grease, and lubricating grease is overflowed from pilot hole, is coated in the surface of oil seal lip.
The shortcoming of existing oil sealing filling apparatus is: adopt push rod to push lubricating grease, can not accurately control the lubricating grease coating amount, lubricating grease occurs at oil sealing master lip easily and overflow, cause the illusion of leakage of oil.
The purpose of this invention is to provide a kind of oil seal pressure injecting device, can accurately control the lubricating grease injection amount, prevent that lubricating grease from overflowing from oil sealing master lip.
For achieving the above object, a kind of oil seal pressure injecting device of the present invention comprises the press seal machine and drives oil circuit; The output terminal that wherein drives oil circuit drives the pressure head work of press seal machine, and the inner chamber of this pressure head is filled with lubricating grease, circumferentially is distributed with pilot hole on the sidewall of this pressure head bottom; This pilot hole makes the pressure head inner chamber communicate with the external world, and its key is: the sidewall on said pressure head inner chamber top has through hole, and this through hole is connected the lubricating grease output terminal of bounce cylinder by the road; The input end of this bounce cylinder is connected with the driving gas circuit, is provided with electromagnetic priority valve in this driving gas circuit, and the input end of this electromagnetic priority valve is connected with control circuit; Said control circuit is provided with driving switch; This driving switch is made up of buting iron and following block, and wherein buting iron is fixed on the said pressure head, and following block is installed in the base position of said press seal machine.
When the pressure head that drives oil circuit output terminal control press seal machine and buting iron are descending; Buting iron contacts with following block; Control circuit is connected and is driven electromagnetic priority valve and opens, and drives gas circuit and through electromagnetic priority valve air is sent into the epicoele of bounce cylinder, and bounce cylinder promotes the inner chamber that lubricating grease gets into pressure head; Because pilot hole is circumferentially and is uniformly distributed with, lubricating grease evenly is coated in the lip surface of oil sealing through pilot hole.When control circuit broke off, electromagnetic priority valve was closed, and drove gas circuit and no longer sent into air to bounce cylinder, and bounce cylinder stops to inject lubricating grease to pressure head.
Through to bounce cylinder control, adjust the coating amount of lubricating grease, the speed of cylinder grease up is fast, high working efficiency; Can accurately control the lubricating grease injection amount, lubricating grease is smeared evenly, has effectively eliminated the illusion of leakage of oil.
Said press seal machine is single-phase cushion dashpot, and the piston of this single-phase cushion dashpot is promoted to move up and down by said driving oil circuit, and this piston is connected with pressure head outside being positioned at said press seal engine housing through push rod.
When driving the oil circuit output terminal and inject hydraulic oil for the epicoele of single-phase cushion dashpot, it is descending with buting iron that piston promotes pressure head, and buting iron is with after following block contacts, and driving oil circuit maintenance oil pressure is stablized pressure head and buting iron stop motion; When driving oil circuit output terminal injected hydraulic oil for the cavity of resorption of single-phase cushion dashpot, piston drive pressure head and buting iron were up, and buting iron leaves down block.
Drive oil circuit and comprise oil hydraulic pump and selector valve.When the left end 1YA of selector valve connected, oil hydraulic pump was extracted hydraulic oil out from fuel tank, got into the epicoele of single-phase cushion dashpot through the left end 1YA of selector valve, and it is descending to promote pressure head and buting iron; During oil return,, get back to fuel tank through the left end 1YA of selector valve from the cavity of resorption output of single-phase cushion dashpot.When the right-hand member 2YA of selector valve connected, hydraulic pump drive hydraulic oil entered into the cavity of resorption of single-phase cushion dashpot through the right-hand member 2YA of selector valve, and it is up to promote pressure head and buting iron; During oil return,, get back to fuel tank through the right-hand member 2YA of selector valve from the epicoele output of single-phase cushion dashpot.
Said control circuit is made up of first power loop and second source loop:
Wherein first power loop is contacted successively by the input coil of first power supply, the time relay and said driving switch and is formed;
Wherein the second source loop is provided with an end of the said time relay output of the positive termination switch of second source, this second source; The other end of this output switch is behind the input end of said electromagnetic priority valve; Be connected with tutorial light one end, this tutorial light the other end connects and is connected with the negative terminal of said second source.
The output switch of the time relay is a normally closed switch, the coating amount of control lubricating grease.When buting iron contacted with following block, control circuit was connected, and electromagnetic priority valve is opened, and the time relay picks up counting, and tutorial light is lighted.When arriving set time, the normally closed switch of the time relay breaks off, and electromagnetic priority valve is closed, and tutorial light extinguishes, and operator's controlling and driving oil circuit promotion piston and buting iron are up.Said block down top is equipped with block, and buting iron is between last block and following block.After the up and last block of buting iron contacts, drive oil circuit and keep oil pressure stable, pressure head and buting iron stop motion, driving oil circuit maintenance buting iron contacts with last block.
Through time relay control bounce cylinder, easy to operate, the lubricating grease coating amount is reliable and stable.
Said driving gas circuit is made up of electromagnetic priority valve, air compressor, air filter, barometer and reduction valve; The outlet end of said air compressor connects the entry end of said air filter; The outlet end of this air filter connects said reduction valve entry end through pipeline; Said barometer is installed on this pipeline; Said reduction valve outlet end connects the gas circuit input end of said electromagnetic priority valve, and the gas circuit output terminal of electromagnetic priority valve connects the input end of said bounce cylinder.
When electromagnetic priority valve was opened, air compressor was sent into air in gas circuit, and air gets into the bounce cylinder epicoele through air filter, reduction valve and electromagnetic priority valve, and the bounce cylinder inner carrier is descending, promoted the output of bounce cylinder cavity of resorption lubricating grease.Barometer records ducted air pressure.
Remarkable result of the present invention is: realize being automatically the oil sealing grease up, easy to operate, the speed of grease up is fast, high working efficiency; Can accurately control the lubricating grease injection amount, lubricating grease is smeared evenly, ensures that lubrication effect is good, prevents that lubricating grease from overflowing from oil sealing master lip, effectively eliminated the illusion of leakage of oil.
Description of drawings
Accompanying drawing 1 is the oil seal pressure injecting device system diagram;
Accompanying drawing 2 is control oil channel structural drawing;
Accompanying drawing 3 is structural representations of pressure head.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is done further explain.
Shown in accompanying drawing 1: a kind of oil seal pressure injecting device comprises press seal machine 1 and drives oil circuit 2 that the output terminal that wherein drives oil circuit 2 drives piston stroking upward in the press seal machine 1 or descending; Piston drives pressure head 6 work through push rod, suit oil sealing on the pressure head 6, the base 9 of cooperation press seal machine 1; Realization is to the encapsulation of oil sealing, and the inner chamber of this pressure head 6 is filled with lubricating grease, circumferentially is distributed with pilot hole 6b on the sidewall of these pressure head 6 bottoms; This pilot hole 6b makes pressure head 6 inner chambers communicate with the external world, and the sidewall on said pressure head 6 inner chamber tops has through hole, and this through hole is connected the lubricating grease output terminal of bounce cylinder 5 by the road; The input end of this bounce cylinder 5 is connected with the driving gas circuit, is provided with electromagnetic priority valve 12 in this driving gas circuit, and the input end of this electromagnetic priority valve 12 is connected with control circuit; Said control circuit is provided with driving switch; This driving switch is made up of with following block 2SQ buting iron 7, and wherein buting iron 7 is fixed on the said pressure head 6, and following block 2SQ is installed in base 9 places of said press seal machine 1.
When the pressure head 6 that drives oil circuit 2 output terminals control press seal machine 1 and buting iron 7 are descending; Buting iron 7 contacts with following block 2SQ; Control circuit is connected and is driven electromagnetic priority valve 12 and opens, and drives gas circuit and through electromagnetic priority valve 12 air is sent into the epicoele of bounce cylinder 5, and bounce cylinder 5 promotes the inner chamber that lubricating grease get into pressure heads 6; Because pilot hole is uniformly distributed with ringwise, lubricating grease evenly is coated in the lip surface of oil sealing 23 through pilot hole.When control circuit broke off, electromagnetic priority valve 12 was closed, and drove gas circuit and sent into air no longer for bounce cylinder 5, and bounce cylinder 5 stops to inject lubricating grease to pressure head 6.
Shown in accompanying drawing 3: when air is fed to bounce cylinder 5 epicoeles, when promoting lubricating grease and getting into the inner chamber of pressure head 6, because pilot hole is uniformly distributed with ringwise, lubricating grease evenly is coated in the lip surface of oil sealing 23 through pilot hole.
Said press seal machine 1 is single-phase cushion dashpot, and the piston 10 of this single-phase cushion dashpot is promoted to move up and down by said driving oil circuit 2, and this piston 10 is connected with pressure head 6 outside being positioned at said press seal machine 1 housing through push rod 11.
When driving oil circuit 2 output terminals and inject hydraulic oil for the epicoele of single-phase cushion dashpot 8, it is descending with buting iron 7 that piston 10 promotes pressure heads 6, and buting iron 7 drives oil circuit 2 maintenance oil pressure and stablizes pressure head 6 and buting iron 7 stop motions with after following block 2SQ contact; When driving oil circuit 2 output terminals injected hydraulic oil for the cavity of resorption of single-phase cushion dashpot 8, it is up with buting iron 7 that piston 10 drives pressure heads 6, and buting iron 7 leaves down block 2SQ.
Drive oil circuit 2 and comprise oil hydraulic pump 20 and selector valve 21.When the left end 1YA of selector valve 21 connected, oil hydraulic pump 20 was extracted hydraulic oil out from fuel tank 22, got into the epicoele of single-phase cushion dashpot 8 through the left end 1YA of selector valve 21, and it is descending with buting iron 7 to promote pressure head 6; During oil return,, get back to fuel tank 22 through the left end 1YA of selector valve 21 from the cavity of resorption output of single-phase cushion dashpot 8.When the right-hand member 2YA of selector valve 21 connected, oil hydraulic pump 20 drove hydraulic oil and enters into the cavity of resorption of single-phase cushion dashpot 8 through the right-hand member 2YA of selector valve 21, and it is up with buting iron 7 to promote pressure head 6; During oil return,, get back to fuel tank 22 through the right-hand member 2YA of selector valve 21 from the epicoele output of single-phase cushion dashpot 8.
Said control circuit is made up of first power loop and second source loop:
Wherein first power loop is contacted successively by the input coil of first power supply, the time relay 14 and said driving switch and is formed;
Wherein the second source loop is provided with an end of the said time relay 14 output switches of positive termination of second source, this second source; The other end of this output switch is behind the input end of said electromagnetic priority valve 12; Be connected with tutorial light 15 1 ends, these tutorial light 15 the other ends connect and are connected with the negative terminal of said second source.
The output switch of the time relay 14 is a normally closed switch, the coating amount of control lubricating grease.When buting iron 7 contacted with following block 2SQ, control circuit was connected, and electromagnetic priority valve 12 is opened, and the time relay 14 picks up counting, and tutorial light 15 is lighted.When arriving set time, the normally closed switch of the time relay 14 breaks off, and electromagnetic priority valve 12 is closed, and tutorial light 15 extinguishes, and it is up with buting iron 7 that operator's controlling and driving oil circuit 2 promotes piston 10.Said block 2SQ down top is equipped with block 1SQ, and buting iron 7 is between last block 1SQ and following block 2SQ.After buting iron 7 up and last block 1SQ contacted, driving oil circuit 2 kept oil pressure stable, pressure head 6 and buting iron 7 stop motions, and driving oil circuit 2 maintenance buting iron 7 contact with last block 1SQ's.
Said driving gas circuit is made up of electromagnetic priority valve 12, air compressor 16, air filter 17, barometer 18 and reduction valve 19; The outlet end of said air compressor 16 connects the entry end of said air filter 17; The outlet end of this air filter 17 connects said reduction valve 19 entry ends through pipeline; Said barometer 18 is installed on this pipeline; Said reduction valve 19 outlet end connect the gas circuit input end of said electromagnetic priority valve 12, and the gas circuit output terminal of electromagnetic priority valve 12 connects the input end of said bounce cylinder 5.
When electromagnetic priority valve 12 is opened; Air compressor 16 is sent into air in gas circuit; Air gets into bounce cylinder 5 epicoeles through air filter 17, reduction valve 19 and electromagnetic priority valve 12, and bounce cylinder 5 inner carriers are descending, promotes the output of bounce cylinder 5 cavity of resorption lubricating grease.Barometer 18 records ducted air pressure.
Shown in accompanying drawing 2: drive oil circuit 2 and comprise oil hydraulic pump 20 and selector valve 21.The operator controls selector valve 21 just can realize the control to the oil circuit flow direction.When the left end 1YA of selector valve 21 connected, oil hydraulic pump 20 was extracted hydraulic oil out from fuel tank 22, got into the epicoele of single-phase cushion dashpot 8 through the left end 1YA of selector valve 21, and it is descending with buting iron 7 to promote pressure head 6; During oil return,, get back to fuel tank 22 through the left end 1YA of selector valve 21 from the cavity of resorption output of single-phase cushion dashpot 8.When the right-hand member 2YA of selector valve 21 connected, oil hydraulic pump 20 drove hydraulic oil and enters into the cavity of resorption of single-phase cushion dashpot 8 through the right-hand member 2YA of selector valve 21, and it is up with buting iron 7 to promote pressure head 6; During oil return,, get back to fuel tank 22 through the right-hand member 2YA of selector valve 21 from the epicoele output of single-phase cushion dashpot 8.
Its working condition is following:
When operator's controlling and driving oil circuit 2 output terminals inject hydraulic oil for the epicoele of single-phase cushion dashpot 8; It is descending with buting iron 7 that piston 10 promotes pressure head 6, and buting iron 7 contacts with following block 2SQ, and control circuit drives electromagnetic priority valve 12 and opens; Tutorial light 15 is bright; Drive gas circuit and through electromagnetic priority valve 12 air is sent into bounce cylinder 5 epicoeles, promote the inner chamber 6a that lubricating grease gets into pressure head 6, lubricating grease evenly is coated with the lip surface of beating at oil sealing 23 through pilot hole 6b.
When the normally closed switch of the time relay in the control circuit 14 broke off, tutorial light tutorial light 15 extinguished, and electromagnetic priority valve 12 is closed, and drove gas circuit and sent into air no longer for bounce cylinder 5, and bounce cylinder 5 stops to inject lubricating grease pressure head 6 to pressure head 6; Operator's controlling and driving oil circuit 2 output terminals inject hydraulic oil for the cavity of resorption of single-phase cushion dashpot 8, and it is up with buting iron 7 that piston 10 drives pressure head 6, and buting iron 7 leaves down block 2SQ.
Claims (3)
1. an oil seal pressure injecting device comprises press seal machine (1) and drives oil circuit (2), and the output terminal that wherein drives oil circuit (2) drives pressure head (6) work of press seal machine (1); The inner chamber of this pressure head (6) is filled with lubricating grease; Circumferentially be distributed with pilot hole (6b) on the sidewall of this pressure head (6) bottom, this pilot hole (6b) makes pressure head (6) inner chamber communicate with the external world, it is characterized in that: the sidewall on said pressure head (6) inner chamber top has through hole; This through hole is connected the lubricating grease output terminal of bounce cylinder (5) by the road; The input end of this bounce cylinder (5) is connected with the driving gas circuit, is provided with electromagnetic priority valve (12) in this driving gas circuit, and the input end of this electromagnetic priority valve (12) is connected with control circuit; Said control circuit is provided with driving switch; This driving switch is made up of buting iron (7) and following block (2SQ), and wherein buting iron (7) is fixed on the said pressure head (6), and following block (2SQ) is installed in the base (9) of said press seal machine (1) and locates.
2. oil seal pressure injecting device according to claim 1; It is characterized in that: said press seal machine (1) is single-phase cushion dashpot; The piston of this single-phase cushion dashpot (10) is promoted to move up and down by said driving oil circuit (2), and this piston (10) is connected with pressure head (6) outside being positioned at said press seal machine (1) housing through push rod (11).
3. oil seal pressure injecting device according to claim 1 is characterized in that: said control circuit is made up of first power loop and second source loop:
Wherein first power loop is contacted successively by the input coil of first power supply, the time relay (14) and said driving switch and is formed;
Wherein the second source loop is provided with an end of the said time relay of positive termination (14) the output switch of second source, this second source; The other end of this output switch is behind the input end of said electromagnetic priority valve (12); Be connected with tutorial light (15) one ends, this tutorial light (15) the other end is connected with the negative terminal of said second source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102329499A CN101725815B (en) | 2008-10-29 | 2008-10-29 | Oil seal pressure injecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102329499A CN101725815B (en) | 2008-10-29 | 2008-10-29 | Oil seal pressure injecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101725815A CN101725815A (en) | 2010-06-09 |
| CN101725815B true CN101725815B (en) | 2012-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102329499A Expired - Fee Related CN101725815B (en) | 2008-10-29 | 2008-10-29 | Oil seal pressure injecting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN101725815B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112643401A (en) * | 2020-12-07 | 2021-04-13 | 娄底鼎力液压科技有限公司 | Lubricating oil pump system of inclined rail numerical control lathe |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4821799A (en) * | 1988-05-10 | 1989-04-18 | Otis Engineering Corporation | Grease injection control system |
| CN2842157Y (en) * | 2005-11-01 | 2006-11-29 | 上海科球机电有限公司 | Pneumatic high pressure oil ejector |
| CN101144563A (en) * | 2007-10-15 | 2008-03-19 | 力帆实业(集团)有限公司 | Engine oil seal lip grease adding device |
| CN201284911Y (en) * | 2008-10-30 | 2009-08-05 | 力帆实业(集团)股份有限公司 | Engine oil seal lip grease injection device |
-
2008
- 2008-10-29 CN CN2008102329499A patent/CN101725815B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4821799A (en) * | 1988-05-10 | 1989-04-18 | Otis Engineering Corporation | Grease injection control system |
| CN2842157Y (en) * | 2005-11-01 | 2006-11-29 | 上海科球机电有限公司 | Pneumatic high pressure oil ejector |
| CN101144563A (en) * | 2007-10-15 | 2008-03-19 | 力帆实业(集团)有限公司 | Engine oil seal lip grease adding device |
| CN201284911Y (en) * | 2008-10-30 | 2009-08-05 | 力帆实业(集团)股份有限公司 | Engine oil seal lip grease injection device |
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| Publication number | Publication date |
|---|---|
| CN101725815A (en) | 2010-06-09 |
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Granted publication date: 20120111 Termination date: 20191029 |