CN101725815A - Oil seal pressure injecting device - Google Patents

Oil seal pressure injecting device Download PDF

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Publication number
CN101725815A
CN101725815A CN200810232949A CN200810232949A CN101725815A CN 101725815 A CN101725815 A CN 101725815A CN 200810232949 A CN200810232949 A CN 200810232949A CN 200810232949 A CN200810232949 A CN 200810232949A CN 101725815 A CN101725815 A CN 101725815A
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China
Prior art keywords
pressure head
oil
lubricating grease
circuit
driving
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Granted
Application number
CN200810232949A
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Chinese (zh)
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CN101725815B (en
Inventor
张志发
文江强
陈媚
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Lifan Technology Group Co Ltd
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Lifan Industry Group Co Ltd
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Priority to CN2008102329499A priority Critical patent/CN101725815B/en
Publication of CN101725815A publication Critical patent/CN101725815A/en
Application granted granted Critical
Publication of CN101725815B publication Critical patent/CN101725815B/en
Expired - Fee Related legal-status Critical Current
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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

Oil seal pressure injecting device
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 isolates the parts that need in the transmission part to lubricate and the parts of exerting oneself, and prevents oil seepage.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 at 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, piston drives pressure head work by push rod, suit oil sealing on the pressure head, 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 need smear lubricating grease on oil seal lip before assembling.For this reason, upper end open at the pressure head inner chamber, the inner chamber of pressure head is filled with lubricating grease, circumferentially be 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.
Summary of the invention
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, comprise the press seal machine and drive oil circuit, the output terminal that wherein drives oil circuit drives the pressure head work of press seal machine, the inner chamber of this pressure head is filled with lubricating grease, circumferentially be 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, its key is: the sidewall on described pressure head inner chamber top has through hole, 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, described 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 described pressure head, and following block is installed in the base position of described 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, drive gas circuit and air is sent into the epicoele of bounce cylinder through electromagnetic priority valve, bounce cylinder promotes the inner chamber that lubricating grease enters pressure head, because pilot hole is circumferentially uniform, lubricating grease evenly is coated in the lip surface of oil sealing through pilot hole.When control circuit disconnected, 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.
By 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.
Described 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 described driving oil circuit, and this piston is connected with pressure head outside being positioned at described 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, piston promote pressure head and buting iron descending, buting iron is with after following block contact, 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, entered 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 by 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.
Described 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 described driving switch and is formed;
Wherein the second source loop is provided with an end of the described 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 described 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 described 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 disconnects, 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.Described 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.
By time relay control bounce cylinder, easy to operate, the lubricating grease coating amount is reliable and stable.
Described driving gas circuit is made up of electromagnetic priority valve, air compressor, air filter, barometer and reduction valve; The outlet end of described air compressor connects the entry end of described air filter, the outlet end of this air filter connects described reduction valve entry end through pipeline, described barometer is installed on this pipeline, described reduction valve outlet end connects the gas circuit input end of described electromagnetic priority valve, and the gas circuit output terminal of electromagnetic priority valve connects the input end of described bounce cylinder.
When electromagnetic priority valve was opened, air compressor was sent into air in gas circuit, and air enters the bounce cylinder epicoele by 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 the drawings and specific embodiments the present invention is described in further detail.
As shown in Figure 1: a kind of oil seal pressure injecting device, comprise press seal machine 1 and drive oil circuit 2, 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 by push rod, suit oil sealing on the pressure head 6, the base 9 that cooperates press seal machine 1, realization is to the encapsulation of oil sealing, the inner chamber of this pressure head 6 is filled with lubricating grease, circumferentially be 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, the sidewall on described 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, and the input end of this bounce cylinder 5 is connected with the driving gas circuit, be provided with electromagnetic priority valve 12 in this driving gas circuit, the input end of this electromagnetic priority valve 12 is connected with control circuit, and described control circuit is provided with driving switch, and this driving switch is made up of buting iron 7 and following block 2SQ, wherein buting iron 7 is fixed on the described pressure head 6, and following block 2SQ is installed in base 9 places of described 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, drive gas circuit and air is sent into the epicoele of bounce cylinder 5 through electromagnetic priority valve 12, bounce cylinder 5 promotes the inner chamber that lubricating grease enters pressure head 6, because pilot hole is uniform ringwise, lubricating grease evenly is coated in the lip surface of oil sealing 23 through pilot hole.When control circuit disconnected, 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.
As shown in Figure 3: when air is fed to bounce cylinder 5 epicoeles, when promoting lubricating grease and entering the inner chamber of pressure head 6, because pilot hole is uniform ringwise, lubricating grease evenly is coated in the lip surface of oil sealing 23 through pilot hole.
Described 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 described driving oil circuit 2, and this piston 10 is connected with pressure head 6 outside being positioned at described 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, piston 10 promote pressure heads 6 and buting iron 7 descending, buting iron 7 is with after following block 2SQ contact, driving oil circuit 2 maintenance oil pressure are stablized pressure head 6 and buting iron 7 stop motions; When driving oil circuit 2 output terminals injected hydraulic oil for the cavity of resorption of single-phase cushion dashpot 8, piston 10 drive pressure heads 6 and buting iron 7 were up, 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, entered the epicoele of single-phase cushion dashpot 8 through the left end 1YA of selector valve 21, and it is descending to promote pressure head 6 and buting iron 7; 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 by the right-hand member 2YA of selector valve 21, and it is up to promote pressure head 6 and buting iron 7; 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.
Described 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 described driving switch and is formed;
Wherein the second source loop is provided with an end of the described 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 described 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 described 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 disconnects, and electromagnetic priority valve 12 is closed, and tutorial light 15 extinguishes, and operator's controlling and driving oil circuit 2 promotion pistons 10 and buting iron 7 are up.Described 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 contact, drive oil circuit 2 and keep oil pressure stable, pressure head 6 and buting iron 7 stop motions, driving oil circuit 2 maintenance buting iron 7 contact with last block 1SQ's.
Described 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 described air compressor 16 connects the entry end of described air filter 17, the outlet end of this air filter 17 connects described reduction valve 19 entry ends through pipeline, described barometer 18 is installed on this pipeline, described reduction valve 19 outlet end connect the gas circuit input end of described electromagnetic priority valve 12, and the gas circuit output terminal of electromagnetic priority valve 12 connects the input end of described bounce cylinder 5.
When electromagnetic priority valve 12 is opened, air compressor 16 is sent into air in gas circuit, air enters bounce cylinder 5 epicoeles by 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.
As shown in Figure 2: drive oil circuit 2 and comprise oil hydraulic pump 20 and selector valve 21.The operator controls selector valve 21 just can realize control that oil circuit is flowed to.When the left end 1YA of selector valve 21 connected, oil hydraulic pump 20 was extracted hydraulic oil out from fuel tank 22, entered the epicoele of single-phase cushion dashpot 8 through the left end 1YA of selector valve 21, and it is descending to promote pressure head 6 and buting iron 7; 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 by the right-hand member 2YA of selector valve 21, and it is up to promote pressure head 6 and buting iron 7; 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 as follows:
When operator's controlling and driving oil circuit 2 output terminals inject hydraulic oil for the epicoele of single-phase cushion dashpot 8, piston 10 promotion pressure heads 6 and buting iron 7 are descending, buting iron 7 contacts with following block 2SQ, 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 enters 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 disconnected, 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 piston 10 drive pressure heads 6 and buting iron 7 are up, and buting iron 7 leaves down block 2SQ.

Claims (4)

1. oil seal pressure injecting device, comprise press seal machine (1) and drive oil circuit (2), 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 described 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, be provided with electromagnetic priority valve (12) in this driving gas circuit, the input end of this electromagnetic priority valve (12) is connected with control circuit, described control circuit is provided with driving switch, this driving switch is made up of buting iron (7) and following block (2SQ), wherein buting iron (7) is fixed on the described pressure head (6), and following block (2SQ) is installed in the base (9) of described press seal machine (1) and locates.
2. oil seal pressure injecting device according to claim 1, it is characterized in that: described 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 described driving oil circuit (2), and this piston (10) is connected with pressure head (6) outside being positioned at described press seal machine (1) housing through push rod (11).
3. oil seal pressure injecting device according to claim 1 is characterized in that: described 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 described driving switch and is formed;
Wherein the second source loop is provided with an end of the described 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 described electromagnetic priority valve (12), be connected with tutorial light (15) one ends, this tutorial light (15) the other end connects and is connected with the negative terminal of described second source.
4. oil seal pressure injecting device according to claim 1 is characterized in that: described 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 described air compressor (16) connects the entry end of described air filter (17), the outlet end of this air filter (17) connects described reduction valve (19) entry end through pipeline, described barometer (18) is installed on this pipeline, described reduction valve (19) outlet end connects the gas circuit input end of described electromagnetic priority valve (12), and the gas circuit output terminal of electromagnetic priority valve (12) connects the input end of described bounce cylinder (5).
CN2008102329499A 2008-10-29 2008-10-29 Oil seal pressure injecting device Expired - Fee Related CN101725815B (en)

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Application Number Priority Date Filing Date Title
CN2008102329499A CN101725815B (en) 2008-10-29 2008-10-29 Oil seal pressure injecting device

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Application Number Priority Date Filing Date Title
CN2008102329499A CN101725815B (en) 2008-10-29 2008-10-29 Oil seal pressure injecting device

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CN101725815A true CN101725815A (en) 2010-06-09
CN101725815B CN101725815B (en) 2012-01-11

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Cited By (1)

* Cited by examiner, † Cited by third party
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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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

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